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NC0004978_FINAL_Marshall_CSA_Figures_2018_20180129
2018 Comprehensive Site Assessment Update January 2018 Marshall Steam Station SynTerra FIGURES Note: It is herein noted that Duke Energy is not waiving the right to a compliance boundary(s) to the full extent set out in the law or attempt to impair the Department’s ability to change the compliance boundary(s) in the future, if circumstances warrant. 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY: TODD PLATING DATE:BENJAMIN YOUNG ES1 12/12/2017 01/15/2018 9:09 AM P:\Duke Energy Progress.1026\00 GIS BASE DATA\Marshall\Mapdocs\CSA_Supplement_2\3DCSM\Marshall_3D_ES1.dwg FIGURE ES-1 APPROXIMATE EXTENT OF IMPACTS MARSHALL STEAM STATION DUKE ENERGY CAROLINAS, LLC TERRELL, NORTH CAROLINA CAROLINAS GENERALIZED GROUNDWATER FLOW DIRECTION DUKE ENERGY PROPERTY BOUNDARY SHERRILL FORD RDVISUAL AID ONLY - DEPICTION NOT TO SCALE DEEP ASH BASIN WASTE BOUNDARY NORTH APPROXIMATE LANDFILL WASTE BOUNDARY LEGEND NOTE: 1.OCTOBER, 2016 AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON SEPTEMBER 18, 2017. AERIAL DATED OCTOBER 28, 2016. 2.STREAMS OBTAINED FROM AMEC FOSTER WHEELER NRTR, MAY 2015. 3.GENERALIZED GROUNDWATER FLOW DIRECTION BASED ON SEPTEMBER 11, 2017 WATER LEVEL DATA. 4.PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY. 5.GENERALIZED AREAL EXTENT OF MIGRATION REPRESENTED BY NCAC 02L EXCEEDANCES OF MULTIPLE CONSTITUENTS IN MULTIPLE FLOW ZONES. WATER SUPPLY WELL LOCATION BEDROCK AREA OF CONCENTRATION IN GROUNDWATER ABOVE NC2L (SEE NOTE 5) STREAM WITH FLOW DIRECTION LAKE NORMAN MARSHALL STEAM STATION ASH LANDFILL (PHASE I) C&D LANDFILL ASBESTOS LANDFILL INDUSTRIAL LANDFILL #1 FGD RESIDUE LANDFILL HIG H W A Y 150 ISLAND POINT RD APPROXIMATE STRUCTURAL FILL BOUNDARY SHALLOW PV STRUCTURAL FILL ASH BASIN ASH BASIN ASH LANDFILL (PHASE II) ACCESS ROAD STRUCTURAL FILL BORROW AREA 01/18/2018 12:02 PM P:\Duke Energy Carolinas\18. MARSHALL\CSA Update January 2018\DWG\DE MARSHALL FIG 1-1 (SITE LOC MAP).dwg FIGURE 1-1 SITE LOCATION MAP MARSHALL STEAM STATION DUKE ENERGY CAROLINAS, LLC 8320 NC HIGHWAY 150 E TERRELL, NORTH CAROLINA LAKE NORMAN SURFACE IMPOUNDMENT BOUNDARY GRAPHIC SCALE 1000 IN FEET 0 1000 2000 MARSHALL STEAM STATION PARCEL LINE SOURCE: USGS TOPOGRAPHIC MAP OBTAINED FROM THE USGS STORE AT http://store.usgs.gov/b2c_usgs/b2c/start/%%%28xcm=r3standardpitrex_prd%%%29/.do ASH BASIN 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY: TODD PLATING DATE:JOHN CHASTAIN FIG 1-1 SITE LOCATION 01/18/2018 MARSHALL STEAM STATION FGD LANDFILL PERMIT NO. 1809 DRY ASH LANDFILL (PHASE I) PERMIT NO. 1804 DRY ASH LANDFILL (PHASE II) PERMIT NO. 1804 PV STRUCTURAL FILL INDUSTRIAL LANDFILL NO. 1 PERMIT NO. 1812 ASH BASIN LAKE NORM AN ASH BASIN FGDRESIDUELANDFILL PV STRUCTURALFILL INDUSTRIALLANDFILL #1 C&DLANDFILL ASH LANDFILL(PHASE II) ASHLANDFILL(PHASE I) ASBESTOSLANDFILL ACCESS ROADSTRUCTURAL FILLBEATTY RDMARSHALL RD GREENWOOD RD S H E R R IL L S F O R D R D NOT ES: 1. IT IS HERE IN NOTED THAT DUKE E NERGY IS NOT WAIVING THE RIGHT TO ACOMPLIANCE BOUNDARY(S ) TO T HE FUL L EXTENT SET OUT IN THE LAW OR ATTEMPTTO IMPAIR THE DEPARTMENT'S ABILITY TO CHANGE THE COMPLIANCE BOUNDARY(S)IN T HE FUT URE, IF CIRCUMSTANCES WARRANT. 2. PROPERTY BOUNDA RY PROVIDED BY DUKE ENERGY CAROLINAS. 3. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON SEPTEMBER 12,2017. AERIAL WAS COLLECTED ON OCTOBER 8, 2016. 4. DRAW ING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83). FIGURE 2-1MARSHALL PLANT VICINITY MAPMARSHALL STEAM STATIONDUKE ENERGY CAROLINAS, LLCTERRELL, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: T. PLATINGCHECKED BY: B. WILKER DATE: 01/03/2018 148 R IVER STRE ET, SUITE 220GREENVILLE, S OUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Du ke En erg y P ro g re ss.1026\0 0 GIS BA SE DATA\Ma rshall\Ma p d ocs\CSA_Supplement_2\Fig02-01 - Plant Vicinity Map.mxd 600 0 600 1,200300 GRAPHIC SCALE IN FEET ASH BASIN WASTE BOUNDARY ASH BASIN COMPLIANCE BOUNDARY LANDFILL BOUNDARY STRUCTURAL FILL BOUNDARY LANDFILL COMPLIANCE BOUNDARY DUKE ENERGY CAROLINAS MARSHALL PLANTSITE BO UNDARY <STREAM (AMEC NRTR 2015) WETLAND (MCKIM AN D CREED 2016) LEGEND FIGURE 2-2 1893 USGS TOPOGRAPHIC MAP MARSHALL STEAM STATION DUKE ENERGY CAROLINAS, LLC. TERRELL, NORTH CAROLINA LAKE NORMAN GRAPHIC SCALE 600 IN FEET 0 600 1200 MARSHALL STEAM STATION PARCEL LINE SOURCE: SEPTEMBER 1893 USGS TOPOGRAPHIC MAP (REPRINT 1945) OBTAINED FROM THE USGS STORE AT http://store.usgs.gov/b2c_usgs/b2c/start/%%%28xcm=r3standardpitrex_prd%%%29/.do SURFACE IMPOUNDMENT 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY: TODD PLATING DATE:JOHN CHASTAIN FIG 2-2 1893 USGS TOPO 01/05/2018 01/18/2018 2:48 PM P:\Duke Energy Carolinas\18. MARSHALL\CSA Update January 2018\DWG\DE MARSHALL 2-2 (1893 USGS TOPOGRAPHIC MAP).dwg LEGEND WASTE BOUNDARY FIGURE 2-3 NPDES FLOW DIAGRAM MARSHALL STEAM STATION DUKE ENERGY CAROLINAS, LLC TERRELL, NORTH CAROLINA 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com DRAWN BY: DUKE ENERGY PROJECT MANAGER: T. PLATING LAYOUT: DATE: JANUARY 2018 FILEPATH: P:\Duke Energy Carolinas\18. MARSHALL\CSA Update January 2018\Final\Figures\Figure 2-3 NPDES Flow Diagram.pdf Source Information: Process Flow Diagram Provided by Duke Energy Carolinas, LLC Unit 4 ID Fan Control House Cooling Water Intake Screen Backwash Condenser Cooling Water Ash Sluice Sanitary Storm Water Water Treatment Boiler and Turbine Room Sumps Yard Drain Sumps (2) Misc Equipment Cooling Drinking Water (groundwater) Ash Basin Lake Norman Outfall 003 0.2 MGD Outfall 001 1093 MGD Outfall 002 8.3 MGD Lake Norman Lake Norman Lake Norman Evap. 1.7 MGD Flue Gas Desulfurization (FGD) Blowdown FGD Wetland Wastewater Treatment System NPDES Internal Outfall 004 1.2 MGD 3.21 MGD 1.45 MGD 0.01 MGD 0.53 MGD 1.9 MGD 2.43 MGD Outfalls 002A and 002B Emergency overflow only (no flow expected) LAKE NORMANBGSB-GWA-6BORROW AREABGSB-GWA-2BGSB-GWA-4MR1001MR1009MR1002MR1006MR1008MR1010LEGENDWELL IN DEEP ZONEWELL IN SHALLOW ZONEWELL IN BEDROCK ZONEABMW-07WELL IN ASH PORE WATERWELL ABANDONEDABMW-05SASH BASIN COMPLIANCE BOUNDARYPARCEL LINE DUKE ENERGY (APPROXIMATE)ASH BASIN WASTE BOUNDARYWATER SUPPLY WELL SAMPLEDWATER SAMPLE LOCATION SAMPLEDSURFACE WATER FLOW DIRECTIONFIGURE 2-4SITE LAYOUTMARSHALL STEAM STATION8320 NC HIGHWAY 150 ETERRELL, NORTH CAROLINADUKEENERGYCAROLINASFIG 2-4 (SITE LAYOUT)BRIAN WILKERJOHN CHASTAINPROJECT MANAGER:LAYOUT NAME:DRAWN BY:CHECKED BY:TODD PLATINGDATE:DATE:www.synterracorp.com148 River Street, Suite 220Greenville, South Carolina 29601864-421-99991/24/20181/24/2018GRAPHIC SCALE6003001500300(IN FEET)S-2AREA OF WETNESS (AOW) SAMPLE LOCATIONWATER SUPPLY WELL NOT SAMPLEDAPPROXIMATE STREAM (NON-JD)SOIL OR GEOTECHNICAL BORINGAPPROXIMATE POND OR RESERVOIR (NON-JD)APPROXIMATE ASH BASIN PONDED WATERSW-AB8SB-12LANDFILL COMPLIANCE BOUNDARYLANDFILL BOUNDARYGWA-12DAB-14DAB-14SAB-13SAB-13DAB-7DAB-7SAB-8DAB-8SAB-20DAB-20SAB-15BRAB-15DAB-15SAB-15SLAL-4BRAL-4DAB-16DAB-16SAB-18SAB-18DAB-17DAB-17SGWA-4DGWA-3DGWA-3SAL-3BRAL-3SAL-3DAB-11SAB-11DAL-2BRLAL-2BRAL-2DAL-2SGWA-14SGWA-14DGWA-13SGWA-13DAGWA-13DAB-6SAB-6DAB-9BRAB-6BRBG-3SBG-3DBG-3BRBG-1SBG-1DBG-1BRABG-1BRBG-2BRBG-2SCCR-16SCCR-16DCCR-15DCCR-15SGWA-10SGWA-10DGWA-15SGWA-11SGWA-11DGWA-11BRCCR-14SCCR-14DAL-1SAL-1DCCR-13SCCR-13DCCR-12SCCR-12DCCR-11DCCR-11SCCR-10SCCR-10DCCR-9DACCR-9DCCR-9SAB-1BRAB-1DAB-1SAB-2SAB-2DCCR-5SCCR-5DCCR-4SCCR-4DCCR-3DCCR-3SAB-21DAB-21SAB-9DAB-9SAB-10BRAB-10DAB-10SAB-10SLAB-12BRAB-12DAB-12SAB-12SLC-1AB-5BRAB-5DAB-5SAB-4DAB-4SAB-4SLAB-3SAB-3DCCR-1SCCR-1DCCR-2SCCR-2DGWA-2DAGWA-2SGWA-2DGWA-1SGWA-1DGWA-1BRINDUSTRIAL LANDFILL NO. 1SHERRILL'S FORD RDISLAND POINT RDSHERRILL'S FORD RDSHERRILL'S FORD RDGREGORY RDGWA-7DGWA-7SMW-14SMW-14BRMW-14DMW-1OB-1 (DAF)MW-6SMW-6DMW-10DMW-10SMW-7SMW-7DMW-8SMW-8DMW-9DMW-9SSW-1SW-10SW-11SW-4SW-5SW-3MS-8MS-9MS-10MS-16MS-15MS-14MS-11MS-12MS-13MW-11DMW-11SGWA-12BRGWA-12SMW-12DMW-12SSW-2SW-9SW-8MW-13DMW-13SGWA-9BRSW-7GWA-4SMW-4DMW-4MW-7(OW-3)MW-6(OW-2)MW-5MW-3MW-2GWA-6DGWA-6SGWA-5DGWA-5SGWA-8DGWA-8SNPDES OUTFALL 101NPDES OUTFALL 102DEMOLITIONLANDFILLASBESTOS LANDFILLDRY ASH LANDFILL (PHASE II)DRY ASH LANDFILL(PHASE I)ISA L N D P O I N T R DCAPAS COVE RDISLAND POINT RDFGD RESIDUE LANDFILLPERMIT NO. 1809PV STRUCTURAL FILLACTIVE ASH BASINCELL 2CELL 4CELL 1CELL 3NEW EMERGENCY SPILLWAYNEW OUTFLOW STRUCTUREDISCHARGE TOWER (INACTIVE)NEW DISCHARGESTRUCTUREAB-6BRLAB-6BRAAB-1BRLAL-4BRLAL-1BRMR32MR35MR40MR31MR22MR8MR10MR25MR12MR11MR38MR43MR23MR14MR20MR33MR37MR42MR1MR26MR17MR4MR18MR6MR45MR48MR44PUBLIC WATER SUPPLY WELL NOT SAMPLEDPWS:0118497PWS:0118497PWS:0118780PWS:0118623PWS:0118622GREENWOOD RDC L EM E N T C I R ST U T T S S TSTUTTS STSB-1S-2MSSW002MSSW001SW-6S-1SB-14SB-11SB-10SB-7SB-4SB-8SB-3SB-2SB-5SB-13OB-1 (ASH BASIN)MR36MR16MR21MR46PIEZOMETER IN SHALLOW ZONEP-102MS-4MS-5MS-2MS-3MS-7MS-1MR13MR9SB-15MS-6PIEZOMETER ABANDONEDMS-7AB-10BRAB-10DAB-10SLAL-2BRLLSW-12NPDES OUTFALL 002NPDES OUTFALL 002ANPDES OUTFALL 002BMR45MR29MR47SOURCE NOTES:NOT ALL UTILITIES ARE IDENTIFIED ON THIS DRAWING. THE UTILITIES SHOWN ON THISDRAWING ARE VISUAL AIDS. THE HORIZONTAL AND VERTICAL LOCATIONS OF THE UTLITIESHAVE NOT BEEN FIELD VERIFIED. ANY UTILITIES SHOWN ARE APPROXIMATE.TOPOGRAPHY IS BASED ON LIDAR BARE EARTH DATA OBTAINED FROM THE FRIS\NORTHCAROLINA FLOOD RISK INFORMATION SYSTEM AThttp://fris.nc.gov/fris/Download.aspx?FIPS=031&ST=NC&user=General%20Public ANDA DRAWING TITLED AERIAL TOPOGRAPHIC SURVEY-MARSHALL STEAM STATION BY WSP,JOB NUMBER 157002.00 AND DRAWING FILE NAME APRIL2014_MARSHALL_10-30-15.DWGSAMPLE LOCATIONS WERE OBTAINED FROM HDR INFORMATION AND MAY BE APPROXIMATE INSOME CASES.STRUCTURAL FILL BOUNDARY104NPDES OUTFALL 003 FIGURE 3-1KNOWN SAMPLE OF ASH FOR COMPARISON(SOURCE: DUKE ENERGY 2014) MARSHALL STEAM STATION DUKE ENERGY CAROLINAS, LLC TERRELL, NORTH CAROLINA148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.comDRAWN BY: E. KINSEY PROJECT MANAGER: T. PLATING LAYOUT: DATE: AUGUST 2017FILEPATH: P:\Duke Energy Carolinas\18. MARSHALL\CSA Update January 2018\Final\Figures\Figure 3-1 Known Samples of Ash for Comparison.pdfRange (10th percentile – 90th percentile) in bulk composition of fly ash, bottom ash, rock, and soil. (Source: EPRI 2009a)Notes:Sample data presented from Cliffside Steam Station FIGURE 3-2ELEMENTAL COMPOSITION FOR BOTTOM ASH, FLY ASH, SHALE, AND VOLCANIC ASH (SOURCE: EPRI 2009A)MARSHALL STEAM STATIONDUKE ENERGY CAROLINAS, LLCTERRELL NORTH CAROLINA148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.comDRAWN BY: E. KINSEY PROJECT MANAGER: C. SUTTELLLAYOUT: DATE: JANUARY 2018FILEPATH: P:\Duke Energy Carolinas\18. MARSHALL\CSA Update January 2018\Final\Figures\Figure 3-2 Elemental Composition for Bottom Ash, Fly Ash, Shale, and Volcanic Ash.pdfNotes:Figure was obtained from the EPRI comparison of coal combustion products to other materials - chemical characteristics, Figure 3-1, pg 3-2, EPRI, Final Report, September 2010.Source: HDR, Comprehensive Site Assessment Report Marshall Steam Station Ash Basin, September 8, 2015. FIGURE 3-3COAL ASH TCLP LEACHATE CONCENTRATION RANGES COMPARED TO REGULATORY LIMITS (SOURCE: EPRI 2010)MARSHALL STEAM STATIONDUKE ENERGY CAROLINAS, LLCTERRELL, NORTH CAROLINA148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.comDRAWN BY: E. KINSEY PROJECT MANAGER: T. PLATING LAYOUT: DATE: JANUARY 2018FILEPATH: P:\Duke Energy Carolinas\18. MARSHALL\CSA Update January 2018\Final\Figures\Figure 3-3 Coal Ash TCLP Leachate Concentration vs Regulatory Limits.pdfNotes:Figure was obtained from the EPRI comparison of coal combustion products to other materials - chemical characteristics, Figure 3-1, pg 3-2, EPRI, Final Report, September 2010.Source: HDR, Comprehensive Site Assessment Report Marshall Steam Station Ash Basin, September 8, 2015. FIGURE 3-4 PIPER DIAGRAM ̶ ASH PORE WATER WELLS MARSHALL STEAM STATION DUKE ENERGY CAROLINAS, LLC TERRELL, NORTH CAROLINA 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com DRAWN BY: E. KINSEY PROJECT MANAGER: T. PLATING LAYOUT: E. KINSEY DATE: JANUARY 2018 FILEPATH: P:\Duke Energy Carolinas\18. MARSHALL\CSA Update October 2017\Figures\Piper\Piper Diagram -Bedrock Notes: Pink –Ash Pore water Well Dark Pink –Ash Pore water (lower) Well Data with charge balance >10% are omitted from plot. Data included for analysis up to September 2017. Data represent samples with pH < 8.5 and turbidity < 10. Data presented may include lab-qualified results. Refer to analytical data table notes for qualifier definitions. Non-detect analytical results are plotted at the corresponding reporting limit. Well ID Generally characteristic of areas in or near central ash basin AB-03S AB-04S AB-04SL AB-06S AB-07S AB-08S AB-10S AB-10SL AB-12S AB-12SL AB-13S AB-14S AB-15S AB-15SL AB-17S AB-18S AL-03S AB-20S Generally characteristic of areas within ash basin within northwestern portion of ash basin I E M C B M K K P D H M L L L P L A AB-12S AB-12SL <<<<<<<<<<<<<<<<<ASH BASIN LAKE NORMAN ASH BASIN FGDRESIDUELANDFILL PV STRUCTURALFILL INDUSTRIALLANDFILL #1 C&DLANDFILL ASH LANDFILL(PHASE II) ASHLANDFILL(PHASE I) ASBESTOSLANDFILL ACCESS ROADSTRUCTURAL FILL CATAW-05442" RCPAbandoned Ash SiloForce Main6" PVC Activ e MAR-304 Pipe 2/348" HDPE Activ e CATAW-054Discharge36" HDPE Activ e MAR-304 Pipe 130" CMP Activ e MAR-304 Pipe 342" HDPE Activ e MAR-304 Pipe 448" HDPE Activ e 30"CMPOutlet 42" CMPRiser 24"CMP 18"HDPE GYPSUM STACKSEDIMENTATION BASIN FGD LANDFILLSEDIMENTATION BASIN SEPTIC BASIN DAM EMERGENCY SPILLW AY EQUALIZATION BASIN A EQUALIZATION BASIN B CELL 1A CELL 1B CELL 1C CELL 1D CELL 1E CELL 1F CELL 2A CELL 2B CELL 2C CELL 3A CELL 3B CELL 3C CELL 4A CELL 4B CELL 4C MARSHALL RDBEATTY RDGREENWOOD RD S H E R R IL L S F O R D R D NOTES:1 INCLUDED WITHIN GIS SHAPEFILE PROVIDED BY DUKE ENERGY. 2 INCLUDED ON FIGURE FROM STANTEC WITHIN COMPREHENSIVE SITEASSESSMENT. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON SEPTEMBER 12,2017. AERIAL WAS COLLECTED ON OCTOBER 8, 2016. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83). FIGURE 4-1ASH BASIN UNDERGROUND UT ILIT Y MAPMARSHALL STEAM STATIONDUKE ENERGY CAROLINAS, LLCTERRELL, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: T. PLATINGCHECKED BY: B. WILKER DATE: 01/08/2018 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\M arshall\Mapdocs\CSA_Supplement_2\Fig04-01 - Ash Basin Underground Utility Map.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET PIPE SEGMENT (DUKE) 1 PIPE SEGMENT (STANTEC) 2 ASH BASIN WASTE BOUNDARY ASH BASIN COMPLIANCE BOUNDARY LAN DFILL BOUNDARY STRU CTUR AL FILL BOUNDARY LAN DFILL COMPLIANCE BOUNDARY DUKE ENERGY CARO LINAS MARSHALL PLANTSITE BOUNDARY <STREAM (AMEC N RTR 2015) LEGEND Copyright:© 2013 National Geographic Society, i-cubed FIGURE 4-2USGS MAP WITH WATER SUPPLY WELLSMARSHALL STEAM STATIONDUKE ENERGY CAROLINAS, LLCDRAWN BY: A. ROBINSONLAYOUT: FIG 1 (SITE LOCATION MAP)PROJECT MANAGER: T. PLATING DATE: 01/11/2018 P:\Duke Energy Progress.1026\00 GIS BASE DATA\Marshall\Mapdocs\CSA_Supplement_2\Fig04-02 - USGS Water Supply Well Map.mxd FIGURE 4-2USGS MAP WITH WATER SUPPLY WELLSMARSHALL STEAM STATIONDUKE ENERGY CAROLINAS, LLCTERRELL, NORTH CAROLINA LANDFILL BOUNDARY SOURCE:USGS 24K TOPOGRAPHIC MAP OBTAINED VIA ESRI ARCGIS ONLINE, LAKE NORMAN NORTH QUADRANGLES, QUADID 35080E8. 1,000 0 1,000 2,000500 IN FEET MARSHALL STEAM STATION PLANTCATAWBA COUNTY GRAPHIC SCALE PROPERTY BOUNDARY DATE: 2017-07-13CONTOUR INTERVAL: 10ftMAP DATE: 1987 DRAWN BY: A. ROBINSONPROJECT MANAGER: T. PLATINGLAYOUT: FIG 1 (SITE LOCATION MAP) ASH BASIN WASTE BOUNDARY COMPLIANCE BOUNDARY STRUCTURAL FILLBOUNDARY LANDFILL COMPLIANCE BOUNDARY < < <<<<<<< <<< <<FGD RESIDUELANDFILL PV STRUCTURALFILL INDUSTRIALLANDFILL #1 C&DLANDFILL ASH LANDFILL(PHASE II) ASH LANDFILL(PHASE I) ASBESTOSLANDFILL ACCESS ROADSTRUCTURALFILL ASH BASIN ASH BASIN LAKE NORMAN M ARSH ALL RD GREENWOOD RDBEATTY RDSHERRI LLS FORD RDS T A T E H W Y 1 5 0 S T A T E H W Y 1 5 0RAILROADR A I L R O A D MR4 MR14 MR20 MR37 MR42(1007) MR8 MR22 MR36 MR45 MR47 MR43 MR40 MR35 MR13 MR16 MR2 MR33 MR1 MR6 MR17 MR44 MR21 MR48 MR10 MR11 MR23MR25 MR31 MR32 MR26 MR38 MR12(MR1000) MR18 MR28 MR30 MR9 MR29 MR46 MR1008 MR1001 MR1002 MR1006 MR1004 MR1003 MR1010 MR1009 MR1005 NOTES:WATER SUPPLY WELL ANALYTICAL RESULTS ARE LOCATED IN APPENDIX B. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON SEPTEMBER 12,2017. IMAGE COLLECTED ON OCTOBER 8, 2016. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83/2011). FIGURE 4-3WATER SUPPLY WELL LOCATIONSMARSHALL STEAM ST AT IONDUKE ENERGY CAROLINAS, LLCTERRELL, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: T. PLATINGCHECKED BY: B. WILKER DATE: 01/03/2018 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\M arshall\Mapdocs\CSA_Supplement_2\Fig04-03 - Water Supply Map.mxd 750 0 750 1,500375 GRAPHIC SCALE IN FEET WATER SUPPLY WELL SAMPLED BY NCDEQ (2015)OR BY D UKE ENERGY (2015-2017) WATER SUPPLY WELL NOT SAMPLED ASH BASIN WASTE BOUNDARY ASH BASIN COMPLIANCE BOUNDARY LAN DFILL BOUNDARY STRU CTUR AL FILL BOUNDARY LAN DFILL COMPLIANCE BOUNDARY HALF-MILE RADIUS OF COMPLIANCE BOUNDARY DUKE ENERGY CARO LINAS MARSHALL PLANTSITE BOUNDARY <STREAM (AMEC N RTR 2015) LEGEND !H !H LINCOLN COUNTY,NORTH CAROLINA IREDELL COUNTY,NORTH CAROLINA CATAWBA COUNTY,NORTH CAROLINA DUKE ENERGY CAROLINASMARSHALL STEAM STATION INTAKE: TOWN OF MOORESVILLE INTAKE: LINCOLN COUNTY NOTES:PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY PROVIDED BY ESRI IMAGERY SERVICE LAYER. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83/2011). FIGURE 4-4WATER INTAKE LOCATION MAPMARSHALL STEAM STATIONDUKE ENERGY CAROLINAS, LLCTERRELL, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: T. PLATINGCHECKED BY: B. WILKER DATE: 12/11/2017 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Marshall\Mapdocs\CSA_Supplement_2\Fig04-04 - Water Intake Location Map.mxd 2,000 0 2,000 4,0001,000 GRAPHIC SCALE IN FEET !H WATER INTAKE LOCATION ASH BASIN WASTE BOUNDARY ASH BASIN COMPLIANCE BOUNDARY DUKE ENERGY CAROLINAS MARSHALL PLANTSITE BOUNDARY LEGEND Source: HDR, Comprehensive Site Assessment Report, Marshall Steam Station Ash Basin, September 8, 2015. Marshall Steam StationProperty Line Lake Norman L a k e N o rm a n SEPTEMBER 2015 5-2G:\Projects\Duke_Energy\Ash_Basin_GW_Assessment\Geologic_Site_Vicinity_Maps\MXDs\Fig_5_2_Marshall_Site_Vicinity_Geology_CSA_Report_Map_20150901.mxdDATE FIGURE 5,000 0 5,000 10,000SCALE (FEET) N Notes:Source: Geologic Map of the Charlotte 1° x 2° Quadrangle, North Carolina and South Carolina, 1988, R. Goldsmith, D. J. Milton, and J. W. Horton, Jr., USGS. Zbs Battleground Formation DOga Alaskitic granite IPhs High Shoals Granite (Pennsylvanian) Fine-grained biotite gneissbgf REGIONAL GEOLOGIC MAPDUKE ENERGY CAROLINAS, LLCMARSHALL STEAM STATIONCATAWBA COUNTY, NORTH CAROLINA Source: HDR, Comprehensive Site Assessment Report, Marshall Steam Station Ash Basin, September 8, 2015. Source: HDR, Comprehensive Site Assessment Report, Marshall Steam Station Ash Basin, September 8, 2015.CATAWBA COUNTY, NORTH CAROLINA 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com DRAWN BY: EPRI, 2004 PROJECT MANAGER: T. PLATING LAYOUT: DATE: JANUARY 2018 P:\Duke Energy Carolinas\18. MARSHALL\CSA Update January 2018\Final\Figures\Figure 5-4 Piedmont Slope-Aquifer System.pdf FIGURE 5-4 PIEDMONT SLOPE-AQUIFER SYSTEM MARSHALL STEAM STATION DUKE ENERGY CAROLINAS, LLC TERRELL, NORTH CAROLINA SOURCE: LeGrand, H. (2004). A master conceptual model for hydrogeological site characterization in the Piedmont and Mountain Region of North Carolina: A guidance manual. North Carolina Department of Environment and Natural Resources, Division of Water Quality, Groundwater Section, Raleigh, NC, 55. ") ") ") ") ") ") ") ") ") ") ") ") ") ") ") ") ") ") ") ") ") ") ") ") ")") ") ") ") ") ") ") ") ") ") ") ") ") ") ") ") ") ") ") ") ") IPhs IPhs bgf bgf mqd mqd mqd IPhs Zbs Zbs Zbs bgf bgf bgf Zbs GWA-1S/D/BR AB-4S/SL/D AB-3S/D GWA-2S/D AB-21S/D AL-1S/D MW-10S/D MW-14S/D AB-1S/D AB-2S/DAB-5S/D/BR AB-9S/D/BR AB-12S/SL/D AB-6S/D AB-13S/D BG-2S/BR AB-11S/D AB-10S/SL/D AB-15S/SL/D GWA-6S/D GWA-7S/D AL-2S/D BG-3S/D AL-4D AB-8S/DAB-7S/D BG-1S/D MW-11S/D MW-4/MW-4D MW-12S/D AB-14S/D AB-20S/D GWA-4S/D GWA-3S/D AB-16S/D AB-18S/D AL-3S/D GWA-5S/D GWA-8S/D MW-13S/D AB-17S/D GWA-9BR MW-6S/D MW-9S/D MW-8S/D MW-7S/D SITE GEOLOGIC MAPDUKE ENERGY CAROLINAS, LLCMARSHALL STEAM STATION ASH BASINCATAWBA COUNTY, NORTH CAROLINA DATE FIGURE SEPTEMBER 2015 6-1 NOTES:1. ASH BASIN WASTE BOUNDARIES AND ASH STORAGE AREA BOUNDARIES ARE APPROXIMATE..2. ORTHOPHOTOGRAPHY IS FROM NC ONEMAP GIS ONLINE SERVICE.3. THE COMPLIANCE BOUNDARY IS ESTABLISHED ACCORDING TO THE DEFINITION FOUND IN 15A NCAC 02L.0107(a).4. DUKE ENERGY PROPERTY BOUNDARY WAS SUPPLIED BY DUKE ENERGY REAL ESTATE.5. BASED ON GEOLOGIC MAP OF THE CHARLOTTE 1° X 2° QUADRANGLE, N.C. AND S.C. (GOLDSMITH et al. 1988; Modified by HDR 2015).6. SERVICE LAYER CREDITS: NC ONEMAP, NC CENTER FOR GEOGRAPHIC INFORMATION AND ANALYSIS, NC 911 BOARD. N Legend GEOLOGY (IPhs) High Shoals Granite (Pennsylvanian) -Very light gray, coarse-grained porphyritic, well-foliated, commonly gneissoid biotite granite orgranitic gneiss. (Zbs) Quartz-sericite Schist - Very fine tomedium-grained quartz-sericite schist andphyllite; very light gray, light-bluish-gray, light-brown, or yellowish-gray; composed largely ofquartz (typically >50%) and sericitic white mica(muscovite and paragonite); accessory mineralsmay include chloritoid, biotite, pyrite, hematite,kyanite, andalusite, sillimanite, staurolite, garnet,oligoclase or albite, chlorite, tourmaline, zircon,and graphite (bgf) Fine-grained Biotite Gneiss - Dominantly ofgranodioritic composition; probablymetamorphosed dacitic volcanics (mqd) Metamorphosed Quartz Diorite andTonalite - Gray, usually medium- to coarse-grained, generally foliated rock composeddominantly of plagioclase, quartz, biotite,hornblende, and epidote; biotite, hornblende, andepidote commonly associated in clots replacingoriginal mafic phenocrysts; clots may be smearedout, thus defining foliation LITHOLOGY IN BORINGS ")Biotite Gneiss (IPhs) ")Granite (IPhs) ")Quartz-Schist (Zbs) ")Quartz-Sericite Schist (Zbs) ")Biotite Gneiss (bgf) ")Biotite Schist (bgf) ")Meta-Quartz Diorite (mqd) CONTACTS - APPROXIMATEDUKE ENERGY PROPERTY BOUNDARY ASH BASIN WASTE BOUNDARY 500 0 500 1,000 SCALE (FEET) Modified from Original Source: HDR, Comprehensive Site Assessment Report, Marshall Steam Station Ash Basin, September 08, 2015 AB-17DBEDROCK BEDROCKASHASH PORE WATERFILLTRANSITION ZONEAB-17SAB-18DAB-18S AB-15BR AB-15D AB-15SL AB-15SFILL A(NORTHWEST)ASH PORE WATERINDUSTRIAL LANDFILLDRY ASH BASINSAPROLITESAPROLITEASH BASIN DAMBEDROCKASH PORE WATERFILLLAKE NORMANEL. 760TRANSITION ZONEAB-12DAB-12SLAB-12S AB-9BR AB-9D AB-9S MW-8D MW-8S SB-1 A'(SOUTHEAST)ASH PORE WATERASHAB-12BR DRY ASH BASINPOWER LINE R/WSAPROLITEACTIVE ASH BASINLAKE NORMANDRYASH BASININDUSTRIALLANDFILLSTEAM PLANT RD.ISLAND PO INT RD .ACTIVEASH BASIN148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.comPROJECT MANAGER:LAYOUT:DRAWN BY:T. PLATINGDATE:XSECTAA01/29/2018 1:48 PMP:\Duke Energy Carolinas\18. MARSHALL\CSA Update January 2018\Figures\X Secs\Marshall_XSects_A-A_Analytical.dwgFIGURE 6-2GENERAL CROSS SECTION A-A'MARSHALL STEAM STATIONDUKE ENERGY CAROLINAS, LLCTERRELL, NORTH CAROLINAMATCHLINE 1SHALLOW FLOW LAYER GROUNDWATERWELL WATER LEVEL ELEVATIONDEEP FLOW LAYER GROUNDWATERWELL WATER LEVEL ELEVATIONBEDROCK FLOW LAYER GROUNDWATERWELL WATER LEVEL ELEVATIONGENERALIZED WATER TABLEMW-16BRMW-16DMW-12SABMW-2WELL IN TRANSITION ZONEWELL IN SAPROLITE MATERIALWELL IN BEDROCKWELL IN ASH PORE WATERGENERALIZED GROUNDWATERFLOW DIRECTIONLEGENDASHASH PORE WATERBEDROCKTRANSITION ZONECROSS SECTION LOCATIONNOTE:CROSS SECTION A-A' IS LINEAR IN NATURE AND ALLLOCATIONS NOT ALONG THE CROSS SECTION AREPROJECTED ONTO THE CROSS SECTION.MATCHLINE 1E. KINSEY/ C. NEWELLSCALE: AS SHOWN1/26/2018SOURCE INFORMATION:NOTES1.DEPTH TO GROUNDWATER GAUGED IN MONITORING WELLS ON SEPTEMBER 25 & 26, 2017.ORIGINAL CROSS SECTION BASE OBTAINED FROM HDR, CSA SUPPLEMENT 2, DATED AUGUST 2016.4004080VERTICAL GRAPHIC SCALEIN FEET2000200400HORIZONTAL GRAPHIC SCALEIN FEET819.96'819.33'818.77'818.64' 806.86' 803.38' 804.10' 793.84'791.03'790.35'790.07' 790.41' 789.58' 790.09' 759.68' 757.72' 801.54'ASH FLOW LAYER GROUNDWATERWELL WATER LEVEL ELEVATION799.39'WATER LEVELSAPROLITEFILLA'A LAKE NORMAN EL. 760AB-5BRAB-5DAB-5SAB-4DAB-4SLAB-4SSB-15AB-2DAB-2SBEDROCK ASH FILL TRANSITION ZONE B (WEST)(EAST) B' ASH BASIN DAM ASH PORE WATER SAPROLITE ACTIVE ASH BASIN SAPROLITE ACTIVE ASH BASIN DRY ASH BASIN INDUSTRIAL LANDFILL LAKE NORMAN STEA M P L A N T R D .ISLAN D P OI N T R D. 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY: T. PLATING DATE:E. KINSEY/ C. NEWELL XSECTBB 01/29/2018 3:02 PM P:\Duke Energy Carolinas\18. MARSHALL\CSA Update January 2018\Figures\X Secs\Marshall_XSects_B-B_Analytical.dwg FIGURE 6-3 GENERAL CROSS SECTION B-B' MARSHALL STEAM STATION DUKE ENERGY CAROLINAS, LLC TERRELL, NORTH CAROLINACROSS SECTION LOCATION GENERALIZED WATER TABLE AB-5BR AB-5D AB--2S AB-5S WELL IN TRANSITION ZONE WELL IN SAPROLITE MATERIAL WELL IN BEDROCK WELL IN ASH PORE WATER GENERALIZED GROUNDWATER FLOW DIRECTION LEGEND ASH ASH PORE WATER BEDROCK TRANSITION ZONE 40 0 40 80 VERTICAL GRAPHIC SCALE IN FEET 200 0 200 400 HORIZONTAL GRAPHIC SCALE IN FEET SOURCE INFORMATION: NOTES 1.DEPTH TO GROUNDWATER GAUGED IN MONITORING WELLS ON SEPTEMBER 25 & 26, 2017. ORIGINAL CROSS SECTION BASE OBTAINED FROM HDR, CSA SUPPLEMENT 2, DATED AUGUST 2016. SCALE: AS SHOWN B'B NOTE: CROSS SECTION B-B' IS LINEAR IN NATURE AND ALL LOCATIONS NOT ALONG THE CROSS SECTION ARE PROJECTED ONTO THE CROSS SECTION. 1/26/2018799.39'798.86'799.36'799.39'WATER LEVELS797.62'797.25'792.80'761.16'767.15'SAPROLITE SHALLOW FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION DEEP FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION BEDROCK FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION ASH FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION FILL GWA-6DGWA-6SAB-11DAB-11SAB-10DAB-10SLAB-10SC (NORTHEAST) BEDROCK TRANSITION ZONE ASH ASH PORE WATER ASH AB-10BRASH BASIN WASTE BOUNDARY SAPROLITE AB-12DAB-12SLAB-12SAB-8DAB-8SAB-6DAB-6BRAB-6SC' (SOUTHWEST)AB-11DAB-11SMW-11DMW-11SASH INNER ASH BASIN ROAD GWA-12BRGWA-12DGWA-12SSETTLING POND DUKE ENERGY PROPERTY BOUNDARY TRANSITION ZONE ASH PORE WATER ASH PORE WATER ASHAB-12BRAB-6BRAASH BASIN WASTE BOUNDARY SAPROLITE ACTIVE ASH BASIN DRY ASH BASIN INDUSTRIAL LANDFILL LAKE NORMAN STEA M P L A N T R D .ISLAN D P OI N T R D. C C' 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY:DATE: XSECTCC 01/27/2018 11:37 AM P:\Duke Energy Carolinas\18. MARSHALL\CSA Update January 2018\Figures\X Secs\Marshall_XSects_C-C_Analytical.dwg FIGURE 6-4 GENERAL CROSS SECTION C-C' MARSHALL STEAM STATION DUKE ENERGY CAROLINAS, LLC TERRELL, NORTH CAROLINAMATCHLINE 2MATCHLINE 2T. PLATING CROSS SECTION LOCATION NOTE: CROSS SECTION C-C' IS LINEAR IN NATURE AND ALL LOCATIONS NOT ALONG THE CROSS SECTION ARE PROJECTED ONTO THE CROSS SECTION. E. KINSEY/ C. NEWELL 1/26/2018SOURCE INFORMATION: NOTES 1.DEPTH TO GROUNDWATER GAUGED IN MONITORING WELLS ON SEPTEMBER 25 & 26, 2017. ORIGINAL CROSS SECTION BASE OBTAINED FROM HDR, CSA SUPPLEMENT 2, DATED AUGUST 2016. 40 0 40 80 VERTICAL GRAPHIC SCALE IN FEET 200 0 200 400 HORIZONTAL GRAPHIC SCALE IN FEET SCALE: AS SHOWN801.41'801.57'795.09'794.60'790.14'790.00'790.10'790.53'793.84'791.03'790.35'790.07'790.90'791.02'816.64'818.09'820.16'840.26'840.25'857.78'869.15'869.71'SHALLOW FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION DEEP FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION BEDROCK FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION GENERALIZED WATER TABLE MW-16BR MW-16D MW-12S ABMW-2 WELL IN TRANSITION ZONE WELL IN SAPROLITE MATERIAL WELL IN BEDROCK WELL IN ASH PORE WATER GENERALIZED GROUNDWATER FLOW DIRECTION LEGEND ASH ASH PORE WATER BEDROCK TRANSITION ZONE ASH FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION 799.39'WATER LEVEL SAPROLITE FILL &< &< &< &< &<&< &< &< &< &< &< &< &< &< &< &< &<&< &< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &<&< &<&< &< &< &< &< &< &< &< &<&< &< &< &<&< &< AB-10S791.92 AB-10SL790.90 AB-11S795.30 AB-12S790.22 AB-12SL790.43 AB-13S797.82 AB-14S809.45 AB-15S805.17 AB-15SL801.55 AB-16S816.18 AB-17S819.22 AB-18S817.99 AB-1S767.59 AB-20S828.68 AB-21S791.61 AB-2S759.88 AB-3S797.12 AB-4S798.55AB-4SL798.35 AB-5S799.52 AB-6S820.21 AB-7S815.41 AB-8S790.92 AB-9S790.27 AL-1S779.31 AL-2S797.57 AL-3S804.03 GWA-10S764.60 GWA-11S765.60 GWA-13S866.61 GWA-1S760.17GWA-2S803.63 GWA-3S830.30 GWA-7S798.05 OB-1(Ash Basin)801.81 GWA-12S870.33 GWA-4S843.78 GWA-5SNM GWA-6S802.38 GWA-8S817.37 MW-4828.74 MS-10832.61 MW-10S757.18 MW-11S840.38 MW-12S859.08 MW-13S841.92 MW-14S773.67 MS-16811.17 MW-6S769.86 MW-7S761.79 MW-8S757.08 MW-9S759.64 MS-11825.38 MS-12811.53 MS-13NM MS-14806.84 MS-15808.73 MS-8826.63 MS-9NM MW-1NM MW-2NM MW-3804.68 MW-5797.82 OB-1(Dry Ash Landfill)778.89 OB-2 (MW -6)NM OB-3 (MW -7)NM GWA-14SNM GWA-15SNM BG-1S805.66 BG-2S809.06 BG-3S831.28 8708 2 0 8608507707607908408008 1 0820830 810870860 850770760790840800830830830 780780FGDRESIDUELANDFILL PV STRUCTURALFILL INDUSTRIALLANDFILL #1 C&DLANDFILL ASH LANDFILL(PHASE II) ASHLANDFILL(PHASE I) ASBESTOSLANDFILL ACCESS ROADSTRUCTURAL FILL ASH BASIN ASH BASIN LAKE NORMANWATER ELEVATION760' (APPROX)MARSHALL RDBEATTY RDG R E E N W O O D R D S H E R R IL L S F O R D R D FIGURE 6-5SHALLOW WATER LEVEL MAPMARCH 2017MARSHALL STEAM STATIONDUKE ENERGY CAROLINAS, LLCTERRELL, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: T. PLATINGCHECKED BY: B. WILKER DATE: 01/26/2018 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Marshall\Mapdocs\CSA_Supplement_2\Fig06-05 to 06-10 - Water Level Maps_v2.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET NOTES:WATER LEVELS COLLECTED MARCH 10, 2017. NM - NOT MEASURED DURING 24-HOUR W ATER LEVEL EVENT. NATURAL RESOURCES TECHNICAL REPORT (NRTR) PREPARED BY AMEC FOSTERWHEELER, INC., JUNE 19, 2015. WETLAND DELINEATION SURVEY CONDUCTED BY MCKIM AND CREED, MARCH 2016. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. ELEVATIONS ARE REFERENCED TO THE NORTH AMERICAN VERTICAL DATUM 88(NAVD 88). AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON SEPTEMBER 12,2017. IMAGE COLLECTED ON OCTOBER 8, 2016. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83/2011). LEGEND &< MONITORING WELL IN ASH PORE W ATERELEVATION IN FEET (NAVD 88) &< MONITORING W ELLELEVATION IN FEET (NAVD 88) &< BACKGROUND MONITORING W ELLELEVATION IN FEET (NAVD 88) WATER SUPPLY W ELL WATER LEVEL CONTOUR IN FEET (NAVD 88) INFERRED WATER LEVEL CONTOUR IN FEET (NAVD 88) <STREAM (AMEC NRTR 2015) WETLAND (MCKIM AND CREED 2016) GROUNDWATER FLOW DIRECTION LANDFILL BOUNDARY ASH BASIN WASTE BOUNDARY LANDFILL COMPLIANCE BOUNDARY ASH BASIN COMPLIANCE BOUNDARY STRUCTURAL FILL BOUNDARY DUKE ENERGY CAROLINAS MARSHALL PLANTSITE BOUNDARY &< &< &< &< &< &< &< &< &< &< &< &< &<&< &< &< &< &<&< &<&< &< &< &< &< &< &< &< &< &< &<&< &< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< AL-2D799.19 AB-10D790.59 AB-11D795.89 AB-12D791.11 AB-13D797.86 AB-14D808.41 AB-15D803.39 AB-16D815.72 AB-17D820.00 AB-18D818.40 AB-1D770.48 AB-20D826.64 AB-21D793.05 AB-2D766.62 AB-3D796.48 AB-4D793.65 AB-5D799.58 AB-6D818.56 AB-7D814.37 AB-8D791.46 AB-9D789.84 AL-1D774.31 AL-3D803.01 AL-4D810.31 GWA-10D767.48 GWA-11D762.94 GWA-13D860.13 GWA-1D761.32GWA-2D803.27 GWA-3D833.00 GWA-7D800.51 GWA-4D844.26 GWA-5D811.09 GWA-6D802.23 GWA-8D816.20 MW-10D754.48 MW-11D840.45 MW-12D857.42 MW-13D843.53 MW-14D773.31 MW-6D772.60 MW-7D769.24 MW-8D760.00 MW-9D757.58 GWA-12D858.59 GWA-14DNM BG-1D797.73 BG-3D832.72 8308 0 08108 2 0 860850780770760840790820800860850780 770 760840790830830 8 3 0 810 820 810FGDRESIDUELANDFILL PV STRUCTURALFILL INDUSTRIALLANDFILL #1 C&DLANDFILL ASH LANDFILL(PHASE II) ASHLANDFILL(PHASE I) ASBESTOSLANDFILL ACCESS ROADSTRUCTURAL FILL ASH BASIN ASH BASIN LAKE NORMANWATER ELEVATION760' (APPROX)MARSHALL RDBEATTY RDG R E E N W O O D R D S H E R R IL L S F O R D R D FIGURE 6-6DEEP WATER LEVEL MAPMARCH 2017MARSHALL STEAM STATIONDUKE ENERGY CAROLINAS, LLCTERRELL, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: T. PLATINGCHECKED BY: B. WILKER DATE: 01/26/2018 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Marshall\Mapdocs\CSA_Supplement_2\Fig06-05 to 06-10 - Water Level Maps_v2.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET NOTES:WATER LEVELS COLLECTED MARCH 10, 2017. NM - NOT MEASURED DURING 24-HOUR W ATER LEVEL EVENT. NATURAL RESOURCES TECHNICAL REPORT (NRTR) PREPARED BY AMEC FOSTERWHEELER, INC., JUNE 19, 2015. WETLAND DELINEATION SURVEY CONDUCTED BY MCKIM AND CREED, MARCH 2016. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. ELEVATIONS ARE REFERENCED TO THE NORTH AMERICAN VERTICAL DATUM 88(NAVD 88). AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON SEPTEMBER 12,2017. IMAGE COLLECTED ON OCTOBER 8, 2016. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83/2011). LEGEND &< MONITORING WELL IN ASH PORE W ATERELEVATION IN FEET (NAVD 88) &< MONITORING W ELLELEVATION IN FEET (NAVD 88) &< BACKGROUND MONITORING W ELLELEVATION IN FEET (NAVD 88) WATER SUPPLY W ELL WATER LEVEL CONTOUR IN FEET (NAVD 88) INFERRED WATER LEVEL CONTOUR IN FEET (NAVD 88) <STREAM (AMEC NRTR 2015) WETLAND (MCKIM AND CREED 2016) GROUNDWATER FLOW DIRECTION LANDFILL BOUNDARY ASH BASIN WASTE BOUNDARY LANDFILL COMPLIANCE BOUNDARY ASH BASIN COMPLIANCE BOUNDARY STRUCTURAL FILL BOUNDARY DUKE ENERGY CAROLINAS MARSHALL PLANTSITE BOUNDARY &< &< &< &< &< &< &< &< &<&< &< &< &< &< &< &< &< &< &< &< &< &< AB-10BR790.60 AB-12BR794.15 AB-15BR807.10 AB-1BR773.74 AB-5BR799.05 AB-6BR817.88 AB-9BR790.60 AL-1BR776.78 AL-2BR801.23 AL-2BRL796.99 AL-3BR803.80 AL-4BR810.26 BG-1BRANM GWA-1BR763.88 GWA-9BR846.90 MW-14BR774.24 MW-4D828.39 BG-3BR829.10 GWA-12BR857.81 AB-1BRLNM AL-02BRLLNM BG-2BR807.57 850840770760780790810800820830850840770 760 7 8 0 7 9 0 8 1 0 8 0 0 8 2 0830 FGDRESIDUELANDFILL PV STRUCTURALFILL INDUSTRIALLANDFILL #1 C&DLANDFILL ASH LANDFILL(PHASE II) ASHLANDFILL(PHASE I) ASBESTOSLANDFILL ACCESS ROADSTRUCTURAL FILL ASH BASIN ASH BASIN LAKE NORMANWATER ELEVATION760' (APPROX)MARSHALL RDBEATTY RDG R E E N W O O D R D S H E R R IL L S F O R D R D FIGURE 6-7BEDROCK WATER LEVEL MAPMARCH 2017MARSHALL STEAM STATIONDUKE ENERGY CAROLINAS, LLCTERRELL, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: T. PLATINGCHECKED BY: B. WILKER DATE: 01/26/2018 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Marshall\Mapdocs\CSA_Supplement_2\Fig06-05 to 06-10 - Water Level Maps_v2.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET NOTES:WATER LEVELS COLLECTED MARCH 10, 2017. NM - NOT MEASURED DURING 24-HOUR W ATER LEVEL EVENT. NATURAL RESOURCES TECHNICAL REPORT (NRTR) PREPARED BY AMEC FOSTERWHEELER, INC., JUNE 19, 2015. WETLAND DELINEATION SURVEY CONDUCTED BY MCKIM AND CREED, MARCH 2016. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. ELEVATIONS ARE REFERENCED TO THE NORTH AMERICAN VERTICAL DATUM 88(NAVD 88). AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON SEPTEMBER 12,2017. IMAGE COLLECTED ON OCTOBER 8, 2016. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83/2011). LEGEND &< MONITORING WELL IN ASH PORE W ATERELEVATION IN FEET (NAVD 88) &< MONITORING W ELLELEVATION IN FEET (NAVD 88) &< BACKGROUND MONITORING W ELLELEVATION IN FEET (NAVD 88) WATER SUPPLY W ELL WATER LEVEL CONTOUR IN FEET (NAVD 88) INFERRED WATER LEVEL CONTOUR IN FEET (NAVD 88) <STREAM (AMEC NRTR 2015) WETLAND (MCKIM AND CREED 2016) GROUNDWATER FLOW DIRECTION LANDFILL BOUNDARY ASH BASIN WASTE BOUNDARY LANDFILL COMPLIANCE BOUNDARY ASH BASIN COMPLIANCE BOUNDARY STRUCTURAL FILL BOUNDARY DUKE ENERGY CAROLINAS MARSHALL PLANTSITE BOUNDARY &< &< &< &< &<&< &< &< &< &< &< &< &< &< &< &< &<&< &< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &<&< &<&< &< &< &< &< &< &< &< &<&< &< &< &<&< &< AB-10S790.53 AB-10SL790.10 AB-11S794.60 AB-12S790.07 AB-12SL790.35 AB-13S801.51 AB-14S808.82 AB-15S804.10 AB-15SL801.54 AB-16S815.96 AB-17S819.33 AB-18S818.64 AB-1S768.02 AB-20S828.15 AB-21S791.36 AB-2S761.16 AB-3S795.67 AB-4S797.62AB-4SL797.25 AB-5S799.39 AB-6S820.16 AB-7S815.18 AB-8S791.02 AB-9S790.09 AL-1S779.31 AL-2S797.19 AL-3S793.28 BG-1S806.62 BG-2S809.27 BG-3S833.00 GWA-10S764.17 GWA-11S765.68 GWA-13S865.70 GWA-1S763.28GWA-2S803.39 GWA-3S830.21 GWA-7S798.26 OB-1(Ash Basin)793.23 GWA-12S869.71 GWA-4S842.91 GWA-5SNM GWA-6S801.57 GWA-8S816.94 MW-4828.60 MS-10NM MW-10S755.50 MW-11S840.25 MW-12S855.50 MW-13S841.30 MW-14S773.31 MW-6S770.90 MW-7S762.18 MW-8S757.72 MW-9S760.75 MS-11824.40 MS-12811.31 MS-13810.41 MS-14805.37 MS-15807.53 MS-16810.47 MS-8826.17 MS-9823.56 MW-1772.55 MW-2790.45 MW-3804.15 MW-5796.38 OB-1(Dry Ash Landfill)779.88 OB-2 (MW -6)810.94OB-3 (MW -7)812.91 GWA-14SNM GWA-15SNM 830870860850780770760790840830810800820840830 8708308 6 0 850780770760790 810800820FGDRESIDUELANDFILL PV STRUCTURALFILL INDUSTRIALLANDFILL #1 C&DLANDFILL ASH LANDFILL(PHASE II) ASHLANDFILL(PHASE I) ASBESTOSLANDFILL ACCESS ROADSTRUCTURAL FILL ASH BASIN ASH BASIN LAKE NORMANWATER ELEVATION760' (APPROX)MARSHALL RDBEATTY RDG R E E N W O O D R D S H E R R IL L S F O R D R D FIGURE 6-8SHALLOW WATER LEVEL MAPSEPTEMBER 2017MARSHALL STEAM STATIONDUKE ENERGY CAROLINAS, LLCTERRELL, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: T. PLATINGCHECKED BY: B. WILKER DATE: 01/26/2018 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Marshall\Mapdocs\CSA_Supplement_2\Fig06-05 to 06-10 - Water Level Maps_v2.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET NOTES:WATER LEVELS COLLECTED SEPTEMBER 22, 2017. NM - NOT MEASURED DURING 24-HOUR W ATER LEVEL EVENT. NATURAL RESOURCES TECHNICAL REPORT (NRTR) PREPARED BY AMEC FOSTERWHEELER, INC., JUNE 19, 2015. WETLAND DELINEATION SURVEY CONDUCTED BY MCKIM AND CREED, MARCH 2016. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. ELEVATIONS ARE REFERENCED TO THE NORTH AMERICAN VERTICAL DATUM 88(NAVD 88). AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON SEPTEMBER 12,2017. IMAGE COLLECTED ON OCTOBER 8, 2016. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83/2011). LEGEND &< MONITORING WELL IN ASH PORE W ATERELEVATION IN FEET (NAVD 88) &< MONITORING W ELLELEVATION IN FEET (NAVD 88) &< BACKGROUND MONITORING W ELLELEVATION IN FEET (NAVD 88) WATER SUPPLY W ELL WATER LEVEL CONTOUR IN FEET (NAVD 88) INFERRED WATER LEVEL CONTOUR IN FEET (NAVD 88) <STREAM (AMEC NRTR 2015) WETLAND (MCKIM AND CREED 2016) GROUNDWATER FLOW DIRECTION LANDFILL BOUNDARY ASH BASIN WASTE BOUNDARY LANDFILL COMPLIANCE BOUNDARY ASH BASIN COMPLIANCE BOUNDARY STRUCTURAL FILL BOUNDARY DUKE ENERGY CAROLINAS MARSHALL PLANTSITE BOUNDARY &< &< &< &< &< &< &< &< &< &< &< &< &<&< &< &< &< &<&< &<&< &< &< &< &< &< &< &< &< &< &<&< &< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< AB-10D790.00 AB-11D795.09 AB-12D791.03 AB-13D797.64 AB-14D809.65 AB-15D803.38 AB-16D815.13 AB-17D819.96 AB-18D818.77 AB-1D771.10 AB-20D826.24 AB-21D792.78 AB-2D767.15 AB-3D795.17 AB-4D792.80 AB-5D799.36 AB-7D813.58 AB-8D790.90 AB-9D789.58 AL-1D774.23 AL-2D798.73 AL-3D802.35 AL-4D809.41 GWA-10D767.25 GWA-11D764.67 GWA-13DNM GWA-1D762.26GWA-2DNM GWA-3D832.81 GWA-7D800.95 GWA-12D869.15 GWA-4D843.40 GWA-5D810.53 GWA-6D801.41 GWA-8D815.78 MW-10D755.78 MW-11D840.26 MW-12D855.31 MW-13D842.85 MW-14D772.94 MW-6D773.62 MW-7D769.83 MW-8D759.68 MW-9D758.69 GWA-14DNM BG-1D803.31 BG-3D835.10 AB-6D818.09 830820860850770760780840830790810800850830800860830 770 7607 80840790810820FGDRESIDUELANDFILL PV STRUCTURALFILL INDUSTRIALLANDFILL #1 C&DLANDFILL ASH LANDFILL(PHASE II) ASHLANDFILL(PHASE I) ASBESTOSLANDFILL ACCESS ROADSTRUCTURAL FILL ASH BASIN ASH BASIN LAKE NORMANWATER ELEVATION760' (APPROX)MARSHALL RDBEATTY RDG R E E N W O O D R D S H E R R IL L S F O R D R D FIGURE 6-9DEEP WATER LEVEL MAPSEPTEMBER 2017MARSHALL STEAM STATIONDUKE ENERGY CAROLINAS, LLCTERRELL, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: T. PLATINGCHECKED BY: B. WILKER DATE: 01/26/2018 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Marshall\Mapdocs\CSA_Supplement_2\Fig06-05 to 06-10 - Water Level Maps_v2.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET NOTES:WATER LEVELS COLLECTED SEPTEMBER 22, 2017. NM - NOT MEASURED DURING 24-HOUR W ATER LEVEL EVENT. NATURAL RESOURCES TECHNICAL REPORT (NRTR) PREPARED BY AMEC FOSTERWHEELER, INC., JUNE 19, 2015. WETLAND DELINEATION SURVEY CONDUCTED BY MCKIM AND CREED, MARCH 2016. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. ELEVATIONS ARE REFERENCED TO THE NORTH AMERICAN VERTICAL DATUM 88(NAVD 88). AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON SEPTEMBER 12,2017. IMAGE COLLECTED ON OCTOBER 8, 2016. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83/2011). LEGEND &< MONITORING WELL IN ASH PORE W ATERELEVATION IN FEET (NAVD 88) &< MONITORING W ELLELEVATION IN FEET (NAVD 88) &< BACKGROUND MONITORING W ELLELEVATION IN FEET (NAVD 88) WATER SUPPLY W ELL WATER LEVEL CONTOUR IN FEET (NAVD 88) INFERRED WATER LEVEL CONTOUR IN FEET (NAVD 88) <STREAM (AMEC NRTR 2015) WETLAND (MCKIM AND CREED 2016) GROUNDWATER FLOW DIRECTION LANDFILL BOUNDARY ASH BASIN WASTE BOUNDARY LANDFILL COMPLIANCE BOUNDARY ASH BASIN COMPLIANCE BOUNDARY STRUCTURAL FILL BOUNDARY DUKE ENERGY CAROLINAS MARSHALL PLANTSITE BOUNDARY &< &< &< &< &< &< &< &< &<&< &< &< &< &< &< &< &< &< &< &< &< &< AB-10BR790.14 AB-12BR793.84 AB-15BR806.86 AB-1BR774.21 AB-5BR798.86 AB-6BRNM AB-9BR790.41 AL-1BR776.50 AL-2BR800.68 AL-2BRL797.29 AL-3BR803.22 AL-4BR809.05 BG-1BRANM GWA-1BR764.80 GWA-9BR839.03 MW-14BR773.89 BG-3BR830.78 GWA-12BR857.78 MW-4D828.50 AB-1BRLNM AL-2BRLLNM BG-2BR807.43 8008508407807707907608108208308508407807707 9 0 760810800820830FGDRESIDUELANDFILL PV STRUCTURALFILL INDUSTRIALLANDFILL #1 C&DLANDFILL ASH LANDFILL(PHASE II) ASHLANDFILL(PHASE I) ASBESTOSLANDFILL ACCESS ROADSTRUCTURAL FILL ASH BASIN ASH BASIN LAKE NORMANWATER ELEVATION760' (APPROX)MARSHALL RDBEATTY RDG R E E N W O O D R D S H E R R IL L S F O R D R D FIGURE 6-10BEDROCK WATER LEVEL MAPSEPTEMBER 2017MARSHALL STEAM STATIONDUKE ENERGY CAROLINAS, LLCTERRELL, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: T. PLATINGCHECKED BY: B. WILKER DATE: 01/26/2018 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Marshall\Mapdocs\CSA_Supplement_2\Fig06-05 to 06-10 - Water Level Maps_v2.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET NOTES:WATER LEVELS COLLECTED SEPTEMBER 22, 2017. NM - NOT MEASURED DURING 24-HOUR W ATER LEVEL EVENT. NATURAL RESOURCES TECHNICAL REPORT (NRTR) PREPARED BY AMEC FOSTERWHEELER, INC., JUNE 19, 2015. WETLAND DELINEATION SURVEY CONDUCTED BY MCKIM AND CREED, MARCH 2016. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. ELEVATIONS ARE REFERENCED TO THE NORTH AMERICAN VERTICAL DATUM 88(NAVD 88). AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON SEPTEMBER 12,2017. IMAGE COLLECTED ON OCTOBER 8, 2016. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83/2011). LEGEND &< MONITORING WELL IN ASH PORE W ATERELEVATION IN FEET (NAVD 88) &< MONITORING W ELLELEVATION IN FEET (NAVD 88) &< BACKGROUND MONITORING W ELLELEVATION IN FEET (NAVD 88) WATER SUPPLY W ELL WATER LEVEL CONTOUR IN FEET (NAVD 88) INFERRED WATER LEVEL CONTOUR IN FEET (NAVD 88) <STREAM (AMEC NRTR 2015) WETLAND (MCKIM AND CREED 2016) GROUNDWATER FLOW DIRECTION LANDFILL BOUNDARY ASH BASIN WASTE BOUNDARY LANDFILL COMPLIANCE BOUNDARY ASH BASIN COMPLIANCE BOUNDARY STRUCTURAL FILL BOUNDARY DUKE ENERGY CAROLINAS MARSHALL PLANTSITE BOUNDARY <<<<<<<<< <<< <<&< &< &< &< &< &< &<&< &<&< &< &< &< &< &< &< &< FGD RESIDUE LANDFILL PV STRUCTURAL FILL INDUSTRIAL LANDFILL #1 C&D LANDFILL ASH LANDFILL (PHASE II) ASH LANDFILL (PHASE I) ASBESTOS LANDFILL ACCESS ROAD STRUCTURAL FILL LAKE NORMAN ASH BASIN ASH BASIN AB-10D to Ab-10BR -0.003AB-12D to AB-12BR -0.073 AB-15D to AB-15BR -0.081 AB-1D to AB-1BR -0.112 AB-5D to AB-5BR 0.019 AB-6D to AB-6BRA 0.005 AB-9D to AB-9BR -0.028 AL-1D to AL-1BR -0.053 AL-2BR to AL-2BRL 0.025 AL-2D to AL-2BR -0.038 AL-3D to AL-3BR -0.017 AL-4D to AL-4BR -0.028 BG-1D to BG-1BR 0.029 BG-3D to BG-3BR 0.101 GWA-12D to GWA-12BR 0.450 GWA-1D to GWA-1BR -0.078 AB-1BR to AB-1BRL 0.086 MARSHALL RDG R E E N W O O D R DSHERRILLS FORD RD<<<<<<<<< <<< <<&<&< &< &<&< &< &< &<&< &< &< &< &< &< &< &<&< &< &< &< &<&< &<&< &< &< &< &< &< &< &< &< &< &<&< &< &< &< &< &< &< &< FGD RESIDUE LANDFILL PV STRUCTURAL FILL INDUSTRIAL LANDFILL #1 C&D LANDFILL ASH LANDFILL (PHASE II) ASH LANDFILL (PHASE I) ASBESTOS LANDFILL ACCESS ROAD STRUCTURAL FILL LAKE NORMAN ASH BASIN ASH BASIN AB-10S to AB-10SL 0.015 AB-10SL to AB-10D 0.004 AB-11S to AB-11D -0.007 AB-12S to AB-12D -0.017 AB-12SL to AB-12D -0.035 AB-13S to AB-13D 0.064 AB-14S to AB-14D -0.012 AB-15S to AB-15SL 0.079 AB-15SL to AB-15D -0.086 AB-16S to AB-16D 0.024 AB-17S to AB-17D -0.007 AB-18S to AB-18D -0.002 AB-1S to AB-1D -0.038 AB-20S to AB-20D 0.024 AB-21S to AB-21D -0.034 AB-2S to AB-2D -0.087 AB-3S to AB-3D 0.004 AB-4SL to AB-4D 0.079AB-5S to AB-5D 0.000 AB-6S to AB-6D 0.041 AB-7S to AB-7D 0.023 AB-8S to AB-8D 0.001 AB-9S to AB-9D 0.012 AL-1S to AL-1D 0.118 AL-2S to AL-2D -0.045 AL-3S to AL-3D -0.123 BG-1S to BG-1D 0.132 BG-2S to BG-2BR 0.046 BG-3S to BG-3D -0.063 GWA-10S to GWA-10D -0.030 GWA-11S to GWA-11D 0.035 GWA-12S to GWA-12D 0.007 GWA-13S to GWA-13DA 0.055 GWA-1S to GWA-1D -0.028 GWA-2S to GWA-2DA 0.002 GWA-3S to GWA-3D -0.085 GWA-4S to GWA-4D 0.019 GWA-6S to GWA-6D 0.002 GWA-7S to GWA-7D -0.220 GWA-8S to GWA-8D 0.043 AB-12S to AB-12SL -0.007 GWA-14S to GWA-14D 0.002 B E A T T Y R D MARS HAL L RDG R E E N W O O D R DSHERRILLS FORD RDNOTES: WATER LEVELS WERE COLLECTED SEPTEMBER 22, 2017. SURFACE/CONTOUR DATA TRUNCATED AT EXTENT OF SAMPLING DATA. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON SEPTEMBER 12, 2017. IMAGE COLLECTED ON OCTOBER 8, 2016. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANE COORDINATE SYSTEM FIPS 3200 (NAD83/2011). FIGURE 6-11 POTENTIAL VERTICAL GRADIENT BETWEEN SHALLOW, DEEP, AND BEDROCK ZONES MARSHALL STEAM STATION DUKE ENERGY CAROLINAS, LLC TERRELL, NORTH CAROLINADRAWN BY: B. YOUNG PROJECT MANAGER: T. PLATING CHECKED BY: B. WILKER DATE: 01/05/2018 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Marshall\Mapdocs\CSA_Supplement_2\Fig06-11 - Potential Vertical Gradient.mxd 700 0 700 1,400350 GRAPHIC SCALE IN FEET &<MONITORING WELL WATER SUPPLY WELL ASH BASIN WASTE BOUNDARY LANDFILL BOUNDARY STRUCTURAL FILL BOUNDARY ASH BASIN COMPLIANCE BOUNDARY LANDFILL COMPLIANCE BOUNDARY DUKE ENERGY CAROLINAS MARSHALL PLANT SITE BOUNDARY <STREAM (AMEC NRTR 2015) LEGEND POTENTIAL VERTICAL GRADIENT UPWARD: -0.220 DOWNWARD: 0.450 0 POTENTIAL VERTICAL GRADIENT UPWARD: -0.220 DOWNWARD: 0.450 0 POTENTIAL VERTICAL GRADIENT (foot per foot)1 Well ID Potential Vertical Gradient (ft per ft) Flow Direction AB-1S to AB-1D -0.038 Upward AB-2S to AB-2D -0.087 Upward AB-3S to AB-3D 0.004 Downward AB-4SL to AB-4D 0.079 Downward AB-5S to AB-5D 0.000 Downward AB-6S to AB-6D 0.041 Downward AB-7S to AB-7D 0.023 Downward AB-8S to AB-8D 0.001 Downward AB-9S to AB-9D 0.012 Downward AB-10S to AB-10SL 0.015 Downward AB-10SL to AB-10D 0.004 Downward AB-11S to AB-11D -0.007 Upward AB-12S to AB-12D -0.017 Upward AB-12S to AB-12SL -0.007 Upward AB-12SL to AB-12D -0.035 Upward AB-13S to AB-13D 0.064 Downward AB-14S to AB-14D -0.012 Upward AB-15S to AB-15SL 0.079 Downward AB-15SL to AB-15D -0.086 Upward AB-16S to AB-16D 0.024 Downward AB-17S to AB-17D -0.007 Upward AB-18S to AB-18D -0.002 Upward AB-20S to AB-20D 0.024 Downward AB-21S to AB-21D -0.034 Upward AL-1S to AL-1D 0.118 Downward AL-2S to AL-2D -0.045 Upward AL-3S to AL-3D -0.123 Upward BG-1S to BG-1D 0.132 Downward BG-2S to BG-2BR 0.046 Downward BG-3S to BG-3D -0.063 Upward GWA-1S to GWA-1D -0.028 Upward GWA-2S to GWA-2DA 0.002 Downward GWA-3S to GWA-3D -0.085 Upward GWA-4S to GWA-4D 0.019 Downward GWA-6S to GWA-6D 0.002 Downward GWA-7S to GWA-7D -0.220 Upward GWA-8S to GWA-8D 0.043 Downward GWA-10S to GWA-10D -0.030 Upward GWA-11S to GWA-11D 0.035 Downward GWA-12S to GWA-12D 0.007 Downward GWA-13S to GWA-13DA 0.055 Downward GWA-14S to GWA-14D 0.002 Downward Shallow to Deep Well ID Potential Vertical Gradient (ft per ft) Flow Direction AB-1D to AB-1BR -0.112 Upward AB-1BR to AB-1BRL 0.086 Downward AB-5D to AB-5BR 0.019 Downward AB-6D to AB-6BRA 0.005 Downward AB-9D to AB-9BR -0.028 Upward AB-10D to Ab-10BR -0.003 Upward AB-12D to AB-12BR -0.073 Upward AB-15D to AB-15BR -0.081 Upward AL-1D to AL-1BR -0.053 Upward AL-2D to AL-2BR -0.038 Upward AL-2BR to AL-2BRL 0.025 Downward AL-3D to AL-3BR -0.017 Upward AL-4D to AL-4BR -0.028 Upward BG-1D to BG-1BR 0.029 Downward BG-3D to BG-3BR 0.101 Downward GWA-1D to GWA-1BR -0.078 Upward GWA-12D to GWA-12BR 0.450 Downward Deep to Bedrock NOTES: 1. BASE MAP FROM LAKE NORMAN NORTH N.C., TROUTMAN N.C., DENVER N.C., AND CATAWBA N.C. USGS 1:24,000 7.5-MINUTE TOPOGRAPHIC QUADRANGLES / Lineament Identified from topographic map lntorpro:l'atlon Shadng lfldiclt.M �lllril'!� ltUl211111/U . ' +-: 1-)� TOPOGRAPHIC LINEAMENTS AND ROSE DIAGRAM DUKE ENERGY CAROLINAS, LLC MARSHALL STEAM STATION ASH BASIN CATAWBA COUNTY, NORTH CAROLINA DATE SEPTEMBER 2015 FIGURE 6-12 Source: HDR, Comprehensive Site Assessment Report, Marshall Steam Station Ash Basin, September 08, 2015 NOTES: 1. PHOTOMOSAIC OF RIVERBEND PERFORMED WITH A LIETZ SOKKIA MS-27 MIRROR STEREOSCOPE WITH MAGNIFYING BINOCULAR EYEPIECE 2. AERIAL PHOTOGRAPHY PROVIDED BY DUKE ENERGY (FROM WSP), 9X9 INCH GRAYSCALE CONTACT PRINTS, 1"=600", DATED 04/17/2014 Lineament identified from aerial-photography interpretation 1000 2000 3000 4-000 5000 Scale In Feet 1-)� AERIAL PHOTOGRAPHY LINEAMENTS AND ROSE DIAGRAM DUKE ENERGY CAROLINAS, LLC MARSHALL STEAM STATION ASH BASIN CATAWBA COUNTY, NORTH CAROLINA DATE SEPTEMBER 2015 FIGURE 6-13 Source: HDR, Comprehensive Site Assessment Report, Marshall Steam Station Ash Basin, September 08, 2015 NOTES: PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON SEPTEMBER 12, 2017. AERIAL WAS COLLECTED ON OCTOBER 8, 2016. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANE COORDINATE SYSTEM FIPS 3200 (NAD83). <<<<<<< < <<<<<<< <<<<<<<<<! ! ! ( ( ( !( !( !( !( !( !(!( !( !( !( !( !( !( !(!( !(!( !( !( !( !( !( !( !( !( !( !( !( !( !( !( !( ! ! ! ! ! ! ! < < < < < < < FGD RESIDUE LANDFILL PV STRUCTURAL FILL INDUSTRIAL LANDFILL #1 C&D LANDFILL ASH LANDFILL (PHASE II) ASH LANDFILL (PHASE I) ASBESTOS LANDFILL ACCESS ROAD STRUCTURAL FILL LAKE NORMAN ASH BASIN COI RESULT UNITS PBTV PSRG CHROMIUM 81.3 mg/kg 32.8 3.8 IRON 90,500 mg/kg 78,228 150 MOLYBDENUM 8.1 mg/kg 3.5 NE STRONTIUM 44.3 mg/kg 7.53 NE VANADIUM 215 mg/kg 210 6 ARSENIC 18.9 mg/kg 4.697 5.8 CHROMIUM 35.8 mg/kg 32.8 3.8 MOLYBDENUM 5.1 mg/kg 3.5 NE STRONTIUM 72 mg/kg 7.53 NE SULFATE 160 j-mg/kg 36 NE STRONTIUM 11.9 mg/kg 7.53 NE AB-15D (54-55) AB-15BR (104.5-104.5) AB-15D (48-49) COI RESULT UNITS PBTV PSRG STRONTIUM 12.6 mg/kg 7.53 NE STRONTIUM 9.1 mg/kg 7.53 NE AB-17D (3-5) AB-17D (31-32) COI RESULT UNITS PBTV PSRG IRON 78,800 mg/kg 78,228 150 STRONTIUM 11.1 mg/kg 7.53 NE CHROMIUM 34 mg/kg 32.8 3.8 STRONTIUM 16.7 mg/kg 7.53 NE SB-10 (25-26) SB-10 (30-31) COI RESULT UNITS PBTV PSRG STRONTIUM 29.6 mg/kg 7.53 NE CHROMIUM 61 mg/kg 32.8 3.8 STRONTIUM 41.2 mg/kg 7.53 NE AB-16D (5-6) AB-16D (12-14) COI RESULT UNITS PBTV PSRG CHROMIUM 46.2 mg/kg 32.8 3.8 STRONTIUM 183 mg/kg 7.53 NE SULFATE 1,540 j-mg/kg 36 NE STRONTIUM 77.1 mg/kg 7.53 NE AL-04D (81.5-82.5) AL-04D (87.5-89.5) COI RESULT UNITS PBTV PSRG ARSENIC 6 j mg/kg 4.697 5.8 CHROMIUM 154 mg/kg 32.8 3.8 NICKEL 138 mg/kg 18.6 130 SELENIUM 6 j mg/kg 1.77 2.1 STRONTIUM 221 mg/kg 7.53 NE BARIUM 1,530 mg/kg 819 580 CHROMIUM 348 mg/kg 32.8 3.8 NICKEL 281 mg/kg 18.6 130 STRONTIUM 331 mg/kg 7.53 NE AL-03D (118-120) AL-03D (124-126) COI RESULT UNITS PBTV PSRG ARSENIC 6.3 j mg/kg 4.697 5.8 CHROMIUM 97.9 mg/kg 32.8 3.8 SELENIUM 4.5 j mg/kg 1.77 2.1 STRONTIUM 94.8 mg/kg 7.53 NE STRONTIUM 31.9 mg/kg 7.53 NE STRONTIUM 51 mg/kg 7.53 NE AL-02D (90-92) AL-02D (95-97) AL-02BR (204-204) COI RESULT UNITS PBTV PSRG STRONTIUM 22.9 j+mg/kg 7.53 NE STRONTIUM 46.6 mg/kg 7.53 NE AB-11D (3-5) AB-11D (12.3-13.8) COI RESULT UNITS PBTV PSRG CHROMIUM 59.3 mg/kg 32.8 3.8 STRONTIUM 20.2 mg/kg 7.53 NE SB-14 (35-36) COI RESULT UNITS PBTV PSRG STRONTIUM 33.4 mg/kg 7.53 NE AB-12D (49-50.5) COI RESULT UNITS PBTV PSRG STRONTIUM 33.1 mg/kg 7.53 NE STRONTIUM 26.7 mg/kg 7.53 NE AB-10D (61-62) AB-10D (52-53) COI RESULT UNITS PBTV PSRG CHROMIUM 405 mg/kg 32.8 3.8 NICKEL 169 mg/kg 18.6 130 STRONTIUM 165 mg/kg 7.53 NE ARSENIC 5.9 mg/kg 4.697 5.8 STRONTIUM 43.5 mg/kg 7.53 NE AB-09BR (10-12) AB-09BR (79-79) COI RESULT UNITS PBTV PSRG BARIUM 828 mg/kg 819 580 CHROMIUM 61.9 mg/kg 32.8 3.8 STRONTIUM 19.1 mg/kg 7.53 NE CHROMIUM 39.5 mg/kg 32.8 3.8 MOLYBDENUM 12.9 mg/kg 3.5 NE STRONTIUM 65.5 mg/kg 7.53 NE SULFATE 216 j mg/kg 36 NE CHROMIUM 41.7 mg/kg 32.8 3.8 MOLYBDENUM 10.8 mg/kg 3.5 NE STRONTIUM 31.8 mg/kg 7.53 NE SULFATE 146 j mg/kg 36 NE VANADIUM 231 mg/kg 210 6 CHROMIUM 46.8 mg/kg 32.8 3.8 STRONTIUM 29.8 mg/kg 7.53 NE MW-14BR (31.5-33) MW-14BR (36.5-38) MW-14BR (40-41.5) MW-14BR (53-53) COI RESULT UNITS PBTV PSRG ARSENIC 10.5 mg/kg 4.697 5.8 SELENIUM 7.1 mg/kg 1.77 2.1 STRONTIUM 82.6 mg/kg 7.53 NE STRONTIUM 71 mg/kg 7.53 NE STRONTIUM 119 mg/kg 7.53 NE AL-01D (32-34) AL-01D (38-40) AL-01D (40-41) COI RESULT UNITS PBTV PSRG STRONTIUM 18.1 mg/kg 7.53 NE AB-01BR (24-25) COI RESULT UNITS PBTV PSRG STRONTIUM 26.9 mg/kg 7.53 NE STRONTIUM 30.1 mg/kg 7.53 NE SB-01 (13.5-14.5) SB-01 (33-34) COI RESULT UNITS PBTV PSRG STRONTIUM 35.3 mg/kg 7.53 NE ARSENIC 7 mg/kg 4.697 5.8 SELENIUM 5.9 j mg/kg 1.77 2.1 STRONTIUM 53.2 mg/kg 7.53 NE SULFATE 1,140 j-mg/kg 36 NE SB-15 (86.5-87.5) SB-15 (92-93) COI RESULT UNITS PBTV PSRG STRONTIUM 24.1 mg/kg 7.53 NE AB-02S (6-7) COI RESULT UNITS PBTV PSRG STRONTIUM 19.8 mg/kg 7.53 NE STRONTIUM 12.2 mg/kg 7.53 NE STRONTIUM 37.7 mg/kg 7.53 NE GWA-01BR (18-20) GWA-01BR (92-94) GWA-01BR (8-10) COI RESULT UNITS PBTV PSRG SELENIUM 5.4 j mg/kg 1.77 2.1 STRONTIUM 31.4 mg/kg 7.53 NE STRONTIUM 8.3 mg/kg 7.53 NE AB-03D (78.2-79.7) AB-03D (74-75.5) COI RESULT UNITS PBTV PSRG ARSENIC 6.4 j mg/kg 4.697 5.8 STRONTIUM 71 mg/kg 7.53 NE AB-04SL (53.5-55.5) COI RESULT UNITS PBTV PSRG SULFATE 172 j-mg/kg 36 NE SELENIUM 4.4 j mg/kg 1.77 2.1 CHROMIUM 78 mg/kg 32.8 3.8 STRONTIUM 44.9 mg/kg 7.53 NE GWA-02D (16-17) GWA-02D (21-22) GWA-02D (46-47) COI RESULT UNITS PBTV PSRG STRONTIUM 41 mg/kg 7.53 NE CHROMIUM 40.4 mg/kg 32.8 3.8 STRONTIUM 59.2 mg/kg 7.53 NE STRONTIUM 22.2 mg/kg 7.53 NE AB-05BR (105-105) AB-05D (54-55) AB-05D (64-66) COI RESULT UNITS PBTV PSRG CHROMIUM 531 mg/kg 32.8 3.8 NICKEL 203 mg/kg 18.6 130 STRONTIUM 64.4 mg/kg 7.53 NE STRONTIUM 65.2 mg/kg 7.53 NE SULFATE 690 mg/kg 36 NE STRONTIUM 19.4 mg/kg 7.53 NE AB-21D (14-15.5) AB-21D (14-15.5) AB-21D (14-15.5) COI RESULT UNITS PBTV PSRG ARSENIC 10.3 mg/kg 4.697 5.8 SELENIUM 6 j mg/kg 1.77 2.1 STRONTIUM 32 mg/kg 7.53 NE ARSENIC 15.3 mg/kg 4.697 5.8 SELENIUM 9.6 mg/kg 1.77 2.1 STRONTIUM 36.4 mg/kg 7.53 NE STRONTIUM 28.4 mg/kg 7.53 NE OB-01 (42-43) OB-01 (48-49) OB-01 (68.5-69.5) COI RESULT UNITS PBTV PSRG SELENIUM 2.6 j mg/kg 1.77 2.1 STRONTIUM 90.4 j-mg/kg 7.53 NE SULFATE 342 j mg/kg 36 NE SELENIUM 3.6 j mg/kg 1.77 2.1 STRONTIUM 104 mg/kg 7.53 NE SULFATE 282 j mg/kg 36 NE SB-13 (15.4-16.1) SB-13 (20-20.8) COI RESULT UNITS PBTV PSRG ARSENIC 6.2 j mg/kg 4.697 5.8 BARIUM 942 mg/kg 819 580 CHROMIUM 172 mg/kg 32.8 3.8 NICKEL 141 mg/kg 18.6 130 STRONTIUM 206 mg/kg 7.53 NE ARSENIC 8 mg/kg 4.697 5.8 BARIUM 1,360 mg/kg 819 580 CHROMIUM 246 mg/kg 32.8 3.8 NICKEL 182 mg/kg 18.6 130 SELENIUM 3.3 j mg/kg 1.77 2.1 STRONTIUM 253 mg/kg 7.53 NE ARSENIC 8.5 mg/kg 4.697 5.8 BARIUM 1,100 mg/kg 819 580 CHROMIUM 217 mg/kg 32.8 3.8 NICKEL 182 mg/kg 18.6 130 STRONTIUM 295 mg/kg 7.53 NE AB-06BR (56-57.5) AB-06BR (57.5-59) AB-06D (53-55) COI RESULT UNITS PBTV PSRG STRONTIUM 208 j+mg/kg 7.53 NE AB-07D (29-30.5) COI RESULT UNITS PBTV PSRG CHROMIUM 39.4 mg/kg 32.8 3.8 STRONTIUM 28 mg/kg 7.53 NE CHROMIUM 36.2 mg/kg 32.8 3.8 STRONTIUM 63.4 mg/kg 7.53 NE AB-08D (24-25.5) AB-08D (29-30.5) COI RESULT UNITS PBTV PSRG STRONTIUM 23.7 mg/kg 7.53 NE SULFATE 969 j-mg/kg 36 NE STRONTIUM 11.2 mg/kg 7.53 NE SULFATE 1,040 j-mg/kg 36 NE SB-02 (67.5-68.5) SB-02 (73-74) COI RESULT UNITS PBTV PSRG STRONTIUM 10 mg/kg 7.53 NE SULFATE 2,950 mg/kg 36 NE SB-08 (31-32) COI RESULT UNITS PBTV PSRG STRONTIUM 27.1 mg/kg 7.53 NE SB-03 (79-80) COI RESULT UNITS PBTV PSRG SULFATE 406 mg/kg 36 NE SB-07 (70-71) COI RESULT UNITS PBTV PSRG STRONTIUM 11.9 mg/kg 7.53 NE STRONTIUM 16.1 mg/kg 7.53 NE AB-14D (39-40.5) AB-14D (44-45.5) COI RESULT UNITS PBTV PSRG CHROMIUM 32.9 mg/kg 32.8 3.8 STRONTIUM 9.7 mg/kg 7.53 NE CHROMIUM 47.8 mg/kg 32.8 3.8 STRONTIUM 16 mg/kg 7.53 NE AB-20D (91-92) AB-20D (96-97) COI RESULT UNITS PBTV PSRG STRONTIUM 13 mg/kg 7.53 NE SULFATE 843 j-mg/kg 36 NE STRONTIUM 13.5 mg/kg 7.53 NE SULFATE 221 j-mg/kg 36 NE SB-04 (50-51) SB-04 (57-58) COI RESULT UNITS PBTV PSRG CHROMIUM 115 mg/kg 32.8 3.8 STRONTIUM 95.8 mg/kg 7.53 NE STRONTIUM 100 j-mg/kg 7.53 NE AB-13D (70-71) AB-13D (63-64) COI RESULT UNITS PBTV PSRG STRONTIUM 11 mg/kg 7.53 NE SB-11 (38-40) COI RESULT UNITS PBTV PSRG STRONTIUM 8.9 mg/kg 7.53 NE GWA-07S (16-17) AB-06D AL-02D AB-10D AB-11D AB-12D AB-13D AB-14D AB-15BR AB-15D AB-16D AB-17D AB-20D AB-21D AB-02SAB-03D AB-04SL AB-05D AB-06BR AB-07D AB-08D AB-09BR AL-01D AL-02BR AL-03D AL-04D GWA-02D MW-14BR OB-01 (Ash Basin) AB-01BR GWA-01BR SB-01 SB-02 SB-03 SB-04 SB-07 SB-08 SB-10 SB-11 SB-13 SB-14 SB-15 GWA-07S MARS HAL L RDG R E E N W O O D R DBEATTY RDSHERRILLS FORD RD P:\DUKE ENERGY PROGRESS.1026\00 GIS BASE DATA\MARSHALL\MAPDOCS\CSA_SUPPLEMENT_2\FIG07-01 - SECONDARY SOIL RESULTS_24X36.MXDFIGURE 7-1 POTENTIAL SECONDARY SOURCE SOIL ANALYTICAL RESULTS MARSHALL STEAM STATION DUKE ENERGY CAROLINAS, LLC TERRELL, NORTH CAROLINA 600 0 600 1,200 1,800 2,400 GRAPHIC SCALE IN FEET LEGEND 148 RIVER STREET, SUITE 220 GREENVILLE, SC 29601 864-421-9999 www.synterracorp.com PROJECT MANAGER: T. PLATING DRAWN BY: B. YOUNG DATE: 01/29/2018 CHECKED BY: B. WILKER DATE: 01/29/2018 ASH BASIN WASTE BOUNDARY LANDFILL BOUNDARY STRUCTURAL FILL BOUNDARY ASH BASIN COMPLIANCE BOUNDARY LANDFILL COMPLIANCE BOUNDARY DUKE ENERGY CAROLINAS MARSHALL PLANT SITE BOUNDARY <STREAM (AMEC NRTR 2015) SATURATED SOIL SAMPLE LOCATION AND DEPTH (FEET BELOW GROUND SURFACE)!( MIX OF UNSATURATED AND SATURATED SOIL SAMPLES AT LOCATION AND DEPTH!< UNSATURATED SOIL SAMPLE LOCATION AND DEPTH (FEET BELOW GROUND SURFACE)!( FIGURE 9-1 PIPER DIAGRAM ̶ SURFACE WATER MARSHALL STEAM STATION DUKE ENERGY CAROLINAS, LLC TERRELL, NORTH CAROLINA 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com DRAWN BY: E. KINSEY PROJECT MANAGER: T. PLATING LAYOUT: E. KINSEY DATE: JANUARY 2018 FILEPATH: P:\Duke Energy Carolinas\18. MARSHALL\CSA Update October 2017\Figures\Piper\Piper Diagram -Bedrock Notes: Pink–Free standing water in ash basin Blue–Surface Water Green–Background Surface Water Data with charge balance >10% are omitted from plot. Data included for analysis up to September 2017. Data represent samples with pH < 8.5 and turbidity < 10. Data presented may include lab-qualified results. Refer to analytical data table notes for qualifier definitions. Non-detect analytical results are plotted at the corresponding reporting limit. SAMPLE ID Generally characteristic of background groundwater conditions Generally characteristic of background groundwater conditions Generally characteristic of areas in or near central ash basin Generally characteristic of areas within ash basin within northwestern portion of ash basin SW -01 SW -06 SW -07 SW -08 SW -10 SW -11 SW -12 M J J J J J J SW-06 SW-10 SW-01 SW -11 SW -12 SW-07 SW -08 SW-10 SW-10 SW-12 SW-12 SW -06 SW-06 SW-11 SW-11SW-07 SW-07 SW -08 SW -08 SW-01 SW-01 FIGURE 10-1 PIPER DIAGRAM ̶ BACKGROUND WELLS MARSHALL STEAM STATION DUKE ENERGY CAROLINAS, LLC TERRELL, NORTH CAROLINA 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com DRAWN BY: E. KINSEY PROJECT MANAGER: T. PLATING LAYOUT: E. KINSEY DATE: JANUARY 2018 FILEPATH: P:\Duke Energy Carolinas\18. MARSHALL\CSA Update October 2017\Figures\Piper\Piper Diagram -Bedrock Notes: Orange –Shallow Well Green –Deep Well Purple–Bedrock Well Data with charge balance >10% are omitted from plot. Data included for analysis up to September 2017. Data represent samples with pH < 8.5 and turbidity < 10. Data presented may include lab-qualified results. Refer to analytical data table notes for qualifier definitions. Non-detect analytical results are plotted at the corresponding reporting limit. Well ID L BG-01D H BG-03D K GWA-04D O GWA-04S G GWA-05D B GWA-08D L BG-01S P BG-02S J BG-03S D GWA-05S M GWA-08S I GWA-12S C MS-10 M MW-04 P BG-01BRA J BG-02BR K BG-03BR K GWA-12BR MW-04DD GWA-12S BG-01S Generally characteristic of background groundwater conditions Generally characteristic of background groundwater conditions FIGURE 10-2 PIPER DIAGRAM ̶ WELLS BENEATH ASH BASIN MARSHALL STEAM STATION DUKE ENERGY CAROLINAS, LLC TERRELL, NORTH CAROLINA 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com DRAWN BY: E. KINSEY PROJECT MANAGER: T. PLATING LAYOUT: E. KINSEY DATE: JANUARY 2018 FILEPATH: P:\Duke Energy Carolinas\18. MARSHALL\CSA Update October 2017\Figures\Piper\Piper Diagram -Bedrock Notes: Orange –Shallow Well Green –Deep Well Purple–Bedrock Well Data with charge balance >10% are omitted from plot. Data included for analysis up to September 2017. Data represent samples with pH < 9 and turbidity < 10. Data presented may include lab-qualified results. Refer to analytical data table notes for qualifier definitions. Non-detect analytical results are plotted at the corresponding reporting limit. Well ID Generally characteristic of background groundwater conditions Generally characteristic of background groundwater conditions Generally characteristic of areas in or near central ash basin Generally characteristic of areas within ash basin within northwestern portion of ash basin AB-16S AB-17D AB-18D AB-20D AB-21D AL-02D AB-03D AB-04D AB-05D AB-06D AB-07D AB-08D AB-09S AB-10D AB-11D AB-11S AB-12D AB-13D AB-15D P J H L M O I A B B C D E K G H I J K AL-04D MS-16 MW -01 MW -02 L M O M AB-05BR AL-02BR AL-03BR AB-09BR AB-10BR AB-12BR AB-15BR H J A C E K L AL-03D AL-04BRM L FIGURE 10-3 PIPER DIAGRAM ̶ DOWNGRADIENT WELLS MARSHALL STEAM STATION DUKE ENERGY CAROLINAS, LLC TERRELL, NORTH CAROLINA 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com DRAWN BY: E. KINSEY PROJECT MANAGER: T. PLATING LAYOUT: E. KINSEY DATE: JANUARY 2018 FILEPATH: P:\Duke Energy Carolinas\18. MARSHALL\CSA Update October 2017\Figures\Piper\Piper Diagram -Bedrock Notes: Orange –Shallow Well Green –Deep Well Purple–Bedrock Well Data with charge balance >10% are omitted from plot. Data included for analysis up to September 2017. Data represent samples with pH < 8.5 and turbidity < 10. Data presented may include lab-qualified results. Refer to analytical data table notes for qualifier definitions. Non-detect analytical results are plotted at the corresponding reporting limit. Well ID Generally characteristic of background groundwater conditions Generally characteristic of background groundwater conditions Generally characteristic of areas in or near central ash basin AB-01S AL-01S GWA-01S GWA-02S GWA-11S GWA-15S MW -06S MW -07S MW -08S A G P D L B E M C AB-01BR AL-01BR GWA-01BR GWA-11BR MW -14BR A G P L H AB-01D AB-02D AL-01D GWA-01D GWA-11D MW -06D MW -07D MW -08D MW -09D MW -10D MW -14D A E G P L E M C L J H Generally characteristic of areas within ash basin within northwestern portion of ash basin <<<<<<<<<<<<<<<<<&< &< &<&<&< &< &< &< &< &< &< &<&< &<&< &< &< &<&< &< &<&< &< &<&< &< &< &<&< &< &< &< &< &< &< &< &< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< ASH BASIN LAKE NORMAN ASH BASIN FGDRESIDUELANDFILL PV STRUCTURALFILL INDUSTRIALLANDFILL #1 C&DLANDFILL ASH LANDFILL(PHASE II) ASHLANDFILL(PHASE I) ASBESTOSLANDFILL ACCESS ROADSTRUCTURAL FILL 0.5AB-3S0.41 j AB-4S*0.29 j AB-5S*0.13 j AB-6S*0.34 j AB-7S*5.5 AB-8S*0.11 j AB-9S0.15 j AB-10S*0.25 j AB-10SL*1.3AB-12S*0.27 j AB-13S*19.2 AB-15S*0.12 j AB-20S*30.9 AL-1S0.17 j AL-2S0.2 j AL-3S*21.6 BG-3S0.11 j GWA-1S0.14 jGWA-2S0.32 j GWA-5S0.1 j GWA-12S0.1 j GWA-14S0.19 j MS-90.18 j MS-150.41 j MW-6S0.15 j OB-1 (Ash Basin)0.16 j AB-1SND AB-2SND AB-4SL*ND AB-11SND AB-12SL*NDAB-14S*ND AB-15SLND AB-16SND AB-17S*ND AB-18S*ND AB-21S*ND BG-1SND BG-2SNDGWA-3SND GWA-4SND GWA-6SND GWA-7SND GWA-8SND GWA-10SND GWA-11SND GWA-13SND GWA-15SND MS-8ND MS-10ND MS-11ND MS-12ND MS-13ND MS-14ND MW-1ND MW-2ND MW-3ND MW-4ND MW-5ND MW-7SND MW-8SND MW-9SND MW-10SND MW-11SND MW-12SND MW-13SND MW-14SND CCR-1SND CCR-2SND CCR-3SND CCR-4SND CCR-5SND CCR-9SND CCR-11SND CCR-12SND CCR-13SND CCR-14SND CCR-15SND MARSHALL RDBEATTY RDGREENWOOD RD S H E R R IL L S F O R D R D NOTES:THE INTERIM MAXIMUM ALLOWABLE CONCENTRATION (IMAC) FOR ANTIMONY IS 1μg/L. PROVISIONAL BACKGROUND THRESHOLD VALUE IS 0.5 μg/L. DASHED CONTOURS WHERE INFERRED. * ASH PORE WATER DATA USED TO INFER GROUNDWATER CONCENTRATIONS IN THEABSENCE OF SHALLOW FLOW ZONE DATA. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. † CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC PBTV BUT W ITHIN THEBACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGICSETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENTMIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THEASH BASIN. CONCENTRATIONS REPORTED ON FIGURE REPRESENT MOST RECENT VALIDSAMPLE RESULTS FOR EACH WELL. DATA WITH HIGH TURBIDITY (>10 NTU) ORRESULTS THAT INDICATE GROUT CONTAMINATION OF THE W ELL (PH>8.5) HAVE BEENREMOVED FROM DATASET. COLLECTION DATES DEPICTED ON FIGURE RANGE FROMFEBRUARY 2015 TO OCTOBER 2017. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON SEPTEMBER 12,2017. AERIAL WAS COLLECTED ON OCTOBER 8, 2016. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83). FIGURE 11-1ISOCONCENTRATION MAPANTIMONY IN SHALLOW GROUNDWATERMARSHALL STEAM STATIONDUKE ENERGY CAROLINAS, LLCTERRELL, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: T. PLATINGCHECKED BY: B. WILKER DATE: 01/25/2018 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Marshall\Mapdocs\CSA_Supplement_2\Marshall - Isoconcentration Maps.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET &<MONITORING W ELL &<MONITORING WELL IN ASH PORE W ATER &<BACKGROUND MONITORING W ELL WATER SUPPLY W ELL ASH BASIN WASTE BOUNDARY ASH BASIN COMPLIANCE BOUNDARY LANDFILL BOUNDARY STRUCTURAL FILL BOUNDARY LANDFILL COMPLIANCE BOUNDARY DUKE ENERGY CAROLINAS MARSHALL PLANTSITE BOUNDARY <STREAM (AMEC NRTR 2015) LEGEND NOT DETECTED ABOVE REPORTING LIMITND TOTAL ANTIMONY CONCENTRATION (μg/L)1 NOT SAMPLEDNS IMAC CONTOUR PBTV CONTOUR INTERMEDIATE CONTOUR <<<<<<<<<<<<<<<<<&< &<&<&< &< &<&< &< &< &< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< ASH BASIN LAKE NORMAN ASH BASIN FGDRESIDUELANDFILL PV STRUCTURALFILL INDUSTRIALLANDFILL #1 C&DLANDFILL ASH LANDFILL(PHASE II) ASHLANDFILL(PHASE I) ASBESTOSLANDFILL ACCESS ROADSTRUCTURAL FILL 0 .5 0.5 AB-3D0.2 j AB-5D0.16 j AB-7D0.36 j AB-9D0.16 j AB-12D0.4 j AB-18D0.1 j AL-1D0.34 j AL-2D0.26 j AL-3D0.89 AL-4D0.16 j GWA-1D0.43 j GWA-7D0.25 j GWA-14D†0.6 MW-6D0.13 j CCR-9DA0.52 AB-1DND AB-2DND AB-4DND AB-6DND AB-8DND AB-10DND AB-11DND AB-13DND AB-14DND AB-16DND AB-17DND AB-21DND BG-1DND BG-3DND GWA-3DND GWA-4DND GWA-5DND GWA-10DND GWA-11DND MS-16ND MW-7DND MW-8DND MW-9DND MW-10DND MW-11DND MW-12DND MW-13DND MW-14DND CCR-1DND CCR-2DND CCR-3DND CCR-4DND CCR-5DND CCR-11DND CCR-12DND CCR-13DND CCR-14DND CCR-15DND CCR-16DND MARSHALL RDBEATTY RDGREENWOOD RD S H E R R IL L S F O R D R D NOTES:THE INTERIM MAXIMUM ALLOWABLE CONCENTRATION (IMAC) FOR ANTIMONY IS 1μg/L. PROVISIONAL BACKGROUND THRESHOLD VALUE IS 0.5 μg/L. DASHED CONTOURS WHERE INFERRED. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. † CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC PBTV BUT W ITHIN THEBACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGICSETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENTMIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THEASH BASIN. CONCENTRATIONS REPORTED ON FIGURE REPRESENT MOST RECENT VALIDSAMPLE RESULTS FOR EACH WELL. DATA WITH HIGH TURBIDITY (>10 NTU) ORRESULTS THAT INDICATE GROUT CONTAMINATION OF THE W ELL (PH>8.5) HAVE BEENREMOVED FROM DATASET. COLLECTION DATES DEPICTED ON FIGURE RANGE FROMFEBRUARY 2015 TO OCTOBER 2017. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON SEPTEMBER 12,2017. AERIAL WAS COLLECTED ON OCTOBER 8, 2016. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83). FIGURE 11-2ISOCONCENTRATION MAPANTIMONY IN DEEP GROUNDWATERMARSHALL STEAM STATIONDUKE ENERGY CAROLINAS, LLCTERRELL, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: T. PLATINGCHECKED BY: B. WILKER DATE: 01/25/2018 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Marshall\Mapdocs\CSA_Supplement_2\Marshall - Isoconcentration Maps.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET &<MONITORING W ELL &<MONITORING WELL IN ASH PORE W ATER &<BACKGROUND MONITORING W ELL WATER SUPPLY W ELL ASH BASIN WASTE BOUNDARY ASH BASIN COMPLIANCE BOUNDARY LANDFILL BOUNDARY STRUCTURAL FILL BOUNDARY LANDFILL COMPLIANCE BOUNDARY DUKE ENERGY CAROLINAS MARSHALL PLANTSITE BOUNDARY <STREAM (AMEC NRTR 2015) LEGEND NOT DETECTED ABOVE REPORTING LIMITND TOTAL ANTIMONY CONCENTRATION (μg/L)1 NOT SAMPLEDNS IMAC CONTOUR PBTV CONTOUR INTERMEDIATE CONTOUR <<<<<<<<<<<<<<<<<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &<&< ASH BASIN LAKE NORMAN ASH BASIN FGDRESIDUELANDFILL PV STRUCTURALFILL INDUSTRIALLANDFILL #1 C&DLANDFILL ASH LANDFILL(PHASE II) ASHLANDFILL(PHASE I) ASBESTOSLANDFILL ACCESS ROADSTRUCTURAL FILL 0.5 AB-12BR0.22 j AL-1BR0.19 j AL-2BR0.67 AL-4BR0.1 j BG-1BRA0.23 j BG-3BR0.42 j GWA-1BR0.12 j MR10.29 MW-14BR0.43 j AB-1BRND AB-5BRND AB-9BRND AB-10BRND AB-15BRND BG-2BRNDGWA-6DND GWA-8DND GWA-9BRND GWA-12BRND MR10ND MR11ND MR12ND MR13ND MR14ND MR16ND MR17ND MR18ND MR20ND MR21ND MR22ND MR23ND MR25ND MR26ND MR29ND MR31ND MR32ND MR33ND MR35ND MR36ND MR37NDMR38ND MR4ND MR40ND MR42NDMR43ND MR44ND MR45ND MR47ND MR48ND MR6ND MR8ND MR9ND MW-4DND AL-2BRLLND AL-2BRLNS MARSHALL RDBEATTY RDGREENWOOD RDSHERRILLS FORD RDNOTES:THE INTERIM MAXIMUM ALLOWABLE CONCENTRATION (IMAC) FOR ANTIMONY IS 1μg/L. PROVISIONAL BACKGROUND THRESHOLD VALUE IS 0.5 μg/L. DASHED CONTOURS WHERE INFERRED. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. † CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC PBTV BUT W ITHIN THEBACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGICSETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENTMIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THEASH BASIN. CONCENTRATIONS REPORTED ON FIGURE REPRESENT MOST RECENT VALIDSAMPLE RESULTS FOR EACH WELL. DATA WITH HIGH TURBIDITY (>10 NTU) ORRESULTS THAT INDICATE GROUT CONTAMINATION OF THE W ELL (PH>8.5) HAVE BEENREMOVED FROM DATASET. COLLECTION DATES DEPICTED ON FIGURE RANGE FROMFEBRUARY 2015 TO OCTOBER 2017. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON SEPTEMBER 12,2017. AERIAL WAS COLLECTED ON OCTOBER 8, 2016. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83). WATER SUPPLY WELL SAMPLED BY NCDEQ BETWEEN FEBRUARY 2015 AND OCTOBER2015. FIGURE 11-3ISOCONCENTRATION MAPANTIMONY IN BEDROCK GROUNDWATERMARSHALL STEAM STATIONDUKE ENERGY CAROLINAS, LLCTERRELL, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: T. PLATINGCHECKED BY: B. WILKER DATE: 01/25/2018 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Marshall\Mapdocs\CSA_Supplement_2\Marshall - Isoconcentration Maps.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET &<MONITORING W ELL &<MONITORING WELL IN ASH PORE W ATER &<BACKGROUND MONITORING W ELL WATER SUPPLY W ELL ASH BASIN WASTE BOUNDARY ASH BASIN COMPLIANCE BOUNDARY LANDFILL BOUNDARY STRUCTURAL FILL BOUNDARY LANDFILL COMPLIANCE BOUNDARY DUKE ENERGY CAROLINAS MARSHALL PLANTSITE BOUNDARY <STREAM (AMEC NRTR 2015) LEGEND NOT DETECTED ABOVE REPORTING LIMITND TOTAL ANTIMONY CONCENTRATION (μg/L)1 NOT SAMPLEDNS IMAC CONTOUR PBTV CONTOUR INTERMEDIATE CONTOUR <<<<<<<<<<<<<<<<<&< &< &<&<&< &< &< &< &< &< &< &<&< &<&< &< &< &<&< &< &<&< &< &<&< &< &< &<&< &< &< &< &< &< &< &< &< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< ASH BASIN LAKE NORMAN ASH BASIN FGDRESIDUELANDFILL PV STRUCTURALFILL INDUSTRIALLANDFILL #1 C&DLANDFILL ASH LANDFILL(PHASE II) ASHLANDFILL(PHASE I) ASBESTOSLANDFILL ACCESS ROADSTRUCTURAL FILL 0.410AB-1S3.1 AB-2S0.23 AB-3S0.52 AB-4S*2.3 AB-4SL*1210 AB-5S*2.9 AB-6S*3050 AB-7S*20.7 AB-8S*85.6 AB-9S0.21 B AB-10S*443 M1 AB-10SL*1240 1g AB-11S0.32 B AB-12S*229 AB-12SL*1190 AB-13S*777 M6 AB-14S*792 M6 AB-15S*854 AB-15SL973 AB-16S15.1 AB-17S*326 AB-18S*2140 AB-20S*53.7 AB-21S*3640 AL-1S1.6 AL-2S0.2 AL-3S*241 BG-1S0.045 j BG-2S0.17 BG-3S0.26 GWA-1S0.12GWA-2S0.12 GWA-3S0.067 j GWA-4S0.082 j GWA-5S0.21 GWA-6S0.096 j,B GWA-7S0.42 B GWA-8S0.059 j GWA-10S0.29 B GWA-11S0.15 GWA-12S0.082 j,B GWA-13S0.056 j GWA-14S0.13 B GWA-15S0.13 MS-80.12 B MS-90.17 BMS-100.053 j,B MS-110.051 j,B MS-120.042 j,B MS-130.12 B MS-140.2 B MS-150.12 B MW-10.085 j MW-20.086 j MW-30.053 j,B MW-50.15 MW-6S0.76 MW-7S3.3 MW-8S0.28 MW-9S0.11 B OB-1 (Ash Basin)0.046 j CCR-1S0.41 CCR-2S0.093 j CCR-4S0.46 CCR-5S1.1 CCR-9S1.3 CCR-11S3.9 CCR-12S1.3 CCR-13S12.2 CCR-14S0.69 CCR-15S0.14 MW-4ND MW-10SND MW-11SND MW-12SND MW-13SND MW-14SND CCR-3SND MARSHALL RDBEATTY RDGREENWOOD RD S H E R R IL L S F O R D R D NOTES:THE NORTH CAROLINA 2L FOR ARSENIC IS 10 μg/L. PROVISIONAL BACKGROUND THRESHOLD VALUE IS 0.4 μg/L. DASHED CONTOURS WHERE INFERRED. * ASH PORE WATER DATA USED TO INFER GROUNDWATER CONCENTRATIONS IN THEABSENCE OF SHALLOW FLOW ZONE DATA. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. † CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC PBTV BUT W ITHIN THEBACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGICSETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENTMIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THEASH BASIN. CONCENTRATIONS REPORTED ON FIGURE REPRESENT MOST RECENT VALIDSAMPLE RESULTS FOR EACH WELL. DATA WITH HIGH TURBIDITY (>10 NTU) ORRESULTS THAT INDICATE GROUT CONTAMINATION OF THE W ELL (PH>8.5) HAVE BEENREMOVED FROM DATASET. COLLECTION DATES DEPICTED ON FIGURE RANGE FROMFEBRUARY 2015 TO OCTOBER 2017. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON SEPTEMBER 12,2017. AERIAL WAS COLLECTED ON OCTOBER 8, 2016. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83). FIGURE 11-4ISOCONCENTRATION MAPARSENIC IN SHALLOW GROUNDWATERMARSHALL STEAM STATIONDUKE ENERGY CAROLINAS, LLCTERRELL, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: T. PLATINGCHECKED BY: B. WILKER DATE: 01/25/2018 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Marshall\Mapdocs\CSA_Supplement_2\Marshall - Isoconcentration Maps.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET &<MONITORING W ELL &<MONITORING WELL IN ASH PORE W ATER &<BACKGROUND MONITORING W ELL WATER SUPPLY W ELL ASH BASIN WASTE BOUNDARY ASH BASIN COMPLIANCE BOUNDARY LANDFILL BOUNDARY STRUCTURAL FILL BOUNDARY LANDFILL COMPLIANCE BOUNDARY DUKE ENERGY CAROLINAS MARSHALL PLANTSITE BOUNDARY <STREAM (AMEC NRTR 2015) LEGEND NOT DETECTED ABOVE REPORTING LIMITND TOTAL ARSENIC CONCENTRATION (μg/L)1 NOT SAMPLEDNS NORTH CAROLINA 2L CONTOUR PBTV CONTOUR INTERMEDIATE CONTOUR <<<<<<<<<<<<<<<<<&< &<&<&< &< &<&< &< &< &< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< ASH BASIN LAKE NORMAN ASH BASIN FGDRESIDUELANDFILL PV STRUCTURALFILL INDUSTRIALLANDFILL #1 C&DLANDFILL ASH LANDFILL(PHASE II) ASHLANDFILL(PHASE I) ASBESTOSLANDFILL ACCESS ROADSTRUCTURAL FILL 0.60.6 0.60.6AB-1D0.057 j AB-2D0.15 AB-3D0.12 B AB-4D0.22 B AB-5D0.78 AB-6D1.2 AB-7D0.98 AB-8D0.37 B AB-9D0.51 B AB-10D0.7 AB-11D0.17 B AB-12D4.4 AB-13D0.46 B AB-14D0.15 AB-16D1.7 AB-17D0.17 AB-18D0.51 B AB-21D0.15 B AL-1D0.11 AL-2D0.3 AL-3D0.33 AL-4D0.23 BG-1D0.18 BG-3D0.38 GWA-1D0.26 B GWA-3D0.14 B GWA-4D†1.1 GWA-5D0.099 j GWA-7D0.26 j,B GWA-10D0.069 j,B GWA-11D0.066 j GWA-14D†0.83 MS-160.11 B MW-6D0.075 j,B MW-7D0.15 MW-8D0.091 j MW-9D0.12 B CCR-1D0.4 CCR-2D0.066 j CCR-3D0.058 j CCR-4D0.14 CCR-5D0.51 CCR-9DA0.76 CCR-11D0.07 j CCR-12D0.077 j CCR-13D0.075 j CCR-14D0.058 j CCR-15D0.56 CCR-16D0.44 MW-10DND MW-11DND MW-12DND MW-13DND MW-14DND MARSHALL RDBEATTY RDGREENWOOD RD S H E R R IL L S F O R D R D NOTES:THE NORTH CAROLINA 2L FOR ARSENIC IS 10 μg/L. PROVISIONAL BACKGROUND THRESHOLD VALUE IS 0.6 μg/L. DASHED CONTOURS WHERE INFERRED. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. † CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC PBTV BUT W ITHIN THEBACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGICSETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENTMIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THEASH BASIN. CONCENTRATIONS REPORTED ON FIGURE REPRESENT MOST RECENT VALIDSAMPLE RESULTS FOR EACH WELL. DATA WITH HIGH TURBIDITY (>10 NTU) ORRESULTS THAT INDICATE GROUT CONTAMINATION OF THE W ELL (PH>8.5) HAVE BEENREMOVED FROM DATASET. COLLECTION DATES DEPICTED ON FIGURE RANGE FROMFEBRUARY 2015 TO OCTOBER 2017. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON SEPTEMBER 12,2017. AERIAL WAS COLLECTED ON OCTOBER 8, 2016. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83). FIGURE 11-5ISOCONCENTRATION MAPARSENIC IN DEEP GROUNDWATERMARSHALL STEAM STATIONDUKE ENERGY CAROLINAS, LLCTERRELL, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: T. PLATINGCHECKED BY: B. WILKER DATE: 01/25/2018 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Marshall\Mapdocs\CSA_Supplement_2\Marshall - Isoconcentration Maps.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET &<MONITORING W ELL &<MONITORING WELL IN ASH PORE W ATER &<BACKGROUND MONITORING W ELL WATER SUPPLY W ELL ASH BASIN WASTE BOUNDARY ASH BASIN COMPLIANCE BOUNDARY LANDFILL BOUNDARY STRUCTURAL FILL BOUNDARY LANDFILL COMPLIANCE BOUNDARY DUKE ENERGY CAROLINAS MARSHALL PLANTSITE BOUNDARY <STREAM (AMEC NRTR 2015) LEGEND NOT DETECTED ABOVE REPORTING LIMITND TOTAL ARSENIC CONCENTRATION (μg/L)1 NOT SAMPLEDNS NORTH CAROLINA 2L CONTOUR PBTV CONTOUR INTERMEDIATE CONTOUR <<<<<<<<<<<<<<<<<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &<&< ASH BASIN LAKE NORMAN ASH BASIN FGDRESIDUELANDFILL PV STRUCTURALFILL INDUSTRIALLANDFILL #1 C&DLANDFILL ASH LANDFILL(PHASE II) ASHLANDFILL(PHASE I) ASBESTOSLANDFILL ACCESS ROADSTRUCTURAL FILL 0.6 AB-1BR0.21 AB-5BR0.36 B AB-9BR0.7 AB-10BR0.5 AB-12BR0.77 AB-15BR0.11 AL-1BR0.093 j AL-2BR0.28 AL-4BR0.1 BG-1BRA0.43 BG-2BR0.24 BG-3BR0.41 GWA-1BR0.12 GWA-6D0.18 B GWA-8D0.22 GWA-9BR0.058 j GWA-12BR0.39 B MR122.9 MR40.66 MW-14BR0.17 AL-2BRLL0.3 B MR1ND MR10ND MR11ND MR13ND MR14ND MR16ND MR17ND MR18ND MR20ND MR21ND MR22ND MR23ND MR25ND MR26ND MR29ND MR31ND MR32ND MR33ND MR35ND MR36ND MR37NDMR38ND MR40ND MR42NDMR43ND MR44ND MR45ND MR47ND MR48ND MR6ND MR8ND MR9ND MW-4DND AL-2BRLNS MARSHALL RDBEATTY RDGREENWOOD RDSHERRILLS FORD RDNOTES:THE NORTH CAROLINA 2L FOR ARSENIC IS 10 μg/L. PROVISIONAL BACKGROUND THRESHOLD VALUE IS 0.6 μg/L. DASHED CONTOURS WHERE INFERRED. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. † CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC PBTV BUT W ITHIN THEBACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGICSETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENTMIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THEASH BASIN. CONCENTRATIONS REPORTED ON FIGURE REPRESENT MOST RECENT VALIDSAMPLE RESULTS FOR EACH WELL. DATA WITH HIGH TURBIDITY (>10 NTU) ORRESULTS THAT INDICATE GROUT CONTAMINATION OF THE W ELL (PH>8.5) HAVE BEENREMOVED FROM DATASET. COLLECTION DATES DEPICTED ON FIGURE RANGE FROMFEBRUARY 2015 TO OCTOBER 2017. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON SEPTEMBER 12,2017. AERIAL WAS COLLECTED ON OCTOBER 8, 2016. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83). WATER SUPPLY WELL SAMPLED BY NCDEQ BETWEEN FEBRUARY 2015 AND OCTOBER2015. FIGURE 11-6ISOCONCENTRATION MAPARSENIC IN BEDROCK GROUNDWATERMARSHALL STEAM STATIONDUKE ENERGY CAROLINAS, LLCTERRELL, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: T. PLATINGCHECKED BY: B. WILKER DATE: 01/25/2018 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Marshall\Mapdocs\CSA_Supplement_2\Marshall - Isoconcentration Maps.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET &<MONITORING W ELL &<MONITORING WELL IN ASH PORE W ATER &<BACKGROUND MONITORING W ELL WATER SUPPLY W ELL ASH BASIN WASTE BOUNDARY ASH BASIN COMPLIANCE BOUNDARY LANDFILL BOUNDARY STRUCTURAL FILL BOUNDARY LANDFILL COMPLIANCE BOUNDARY DUKE ENERGY CAROLINAS MARSHALL PLANTSITE BOUNDARY <STREAM (AMEC NRTR 2015) LEGEND NOT DETECTED ABOVE REPORTING LIMITND TOTAL ARSENIC CONCENTRATION (μg/L)1 NOT SAMPLEDNS NORTH CAROLINA 2L CONTOUR PBTV CONTOUR INTERMEDIATE CONTOUR <<<<<<<<<<<<<<<<<&< &< &<&<&< &< &< &< &< &< &< &<&< &<&< &< &< &<&< &< &<&< &< &<&< &< &< &<&< &< &< &< &< &< &< &< &< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< ASH BASIN LAKE NORMAN ASH BASIN FGDRESIDUELANDFILL PV STRUCTURALFILL INDUSTRIALLANDFILL #1 C&DLANDFILL ASH LANDFILL(PHASE II) ASHLANDFILL(PHASE I) ASBESTOSLANDFILL ACCESS ROADSTRUCTURAL FILL 3 1 0 310 700700 AB-1S67 AB-2S29 AB-3S20.1 AB-4S*97.9 AB-4SL*80.2 AB-5S*8.1 AB-6S*224 AB-7S*36.9 AB-8S*54.5 AB-9S17.1 AB-10S*56.8 AB-10SL*364 AB-11S10.2 AB-12S*223 AB-12SL*1100 AB-13S*285 AB-14S*35.5 AB-15S*411 AB-15SL412 AB-16S93.3 AB-17S*40.6 AB-18S*339 AB-20S*30.2 AB-21S*45.2 AL-1S84.1 AL-2S44 AL-3S*27 BG-1S30.2 BG-2S†336 BG-3S†580 GWA-1S44.1GWA-2S92.1 GWA-3S38.8 GWA-4S39.7 GWA-5S23.4 GWA-6S65.5 GWA-7S150 GWA-8S22.2 GWA-10S50 GWA-11S63.8 GWA-12S44 GWA-13S91.6 GWA-14S44.7 GWA-15S170 MS-837.6 MS-941.8 MS-10140 MS-1172.3 MS-1286.6 MS-13101 MS-1446.3 MS-15126 MW-1330 MW-286.3 MW-3298 MW-451 MW-546.6 MW-6S54.1 MW-7S84.9 MW-8S139 MW-9S272 MW-10S44 MW-11S55 MW-12S52 MW-13S42 MW-14S29 OB-1 (Ash Basin)1010 CCR-1S106 CCR-2S62.6 CCR-3S34.1 CCR-4S99 CCR-5S103 CCR-9S136 CCR-11S63.2CCR-12S2250 CCR-13S98 CCR-14S841 CCR-15S10.7 MARSHALL RDBEATTY RDGREENWOOD RD S H E R R IL L S F O R D R D NOTES:THE NORTH CAROLINA 2L FOR BARIUM IS 700 μg/L. PROVISIONAL BACKGROUND THRESHOLD VALUE IS 310 μg/L. DASHED CONTOURS WHERE INFERRED. * ASH PORE WATER DATA USED TO INFER GROUNDWATER CONCENTRATIONS IN THEABSENCE OF SHALLOW FLOW ZONE DATA. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. † CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC PBTV BUT W ITHIN THEBACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGICSETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENTMIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THEASH BASIN. CONCENTRATIONS REPORTED ON FIGURE REPRESENT MOST RECENT VALIDSAMPLE RESULTS FOR EACH WELL. DATA WITH HIGH TURBIDITY (>10 NTU) ORRESULTS THAT INDICATE GROUT CONTAMINATION OF THE W ELL (PH>8.5) HAVE BEENREMOVED FROM DATASET. COLLECTION DATES DEPICTED ON FIGURE RANGE FROMFEBRUARY 2015 TO OCTOBER 2017. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON SEPTEMBER 12,2017. AERIAL WAS COLLECTED ON OCTOBER 8, 2016. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83). FIGURE 11-7ISOCONCENTRATION MAPBARIUM IN SHALLOW GROUNDWATERMARSHALL STEAM STATIONDUKE ENERGY CAROLINAS, LLCTERRELL, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: T. PLATINGCHECKED BY: B. WILKER DATE: 01/25/2018 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Marshall\Mapdocs\CSA_Supplement_2\Marshall - Isoconcentration Maps.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET &<MONITORING W ELL &<MONITORING WELL IN ASH PORE W ATER &<BACKGROUND MONITORING W ELL WATER SUPPLY W ELL ASH BASIN WASTE BOUNDARY ASH BASIN COMPLIANCE BOUNDARY LANDFILL BOUNDARY STRUCTURAL FILL BOUNDARY LANDFILL COMPLIANCE BOUNDARY DUKE ENERGY CAROLINAS MARSHALL PLANTSITE BOUNDARY <STREAM (AMEC NRTR 2015) LEGEND NOT DETECTED ABOVE REPORTING LIMITND TOTAL BARIUM CONCENTRATION (μg/L)1 NOT SAMPLEDNS NORTH CAROLINA 2L CONTOUR PBTV CONTOUR INTERMEDIATE CONTOUR <<<<<<<<<<<<<<<<<&< &<&<&< &< &<&< &< &< &< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< ASH BASIN LAKE NORMAN ASH BASIN FGDRESIDUELANDFILL PV STRUCTURALFILL INDUSTRIALLANDFILL #1 C&DLANDFILL ASH LANDFILL(PHASE II) ASHLANDFILL(PHASE I) ASBESTOSLANDFILL ACCESS ROADSTRUCTURAL FILL 1271271277 0 0 AB-1D413 AB-2D25.8 AB-3D120 AB-4D73 AB-5D138 AB-6D79.3 AB-7D146 AB-8D50.8 AB-9D263 AB-10D360 AB-11D15 AB-12D62.8 AB-13D201 AB-14D174 AB-16D168 AB-17D21.7 AB-18D37 AB-21D165 AL-1D770 AL-2D51.4 AL-3D81.9 AL-4D76.8 BG-1D116 BG-3D†811 GWA-1D55.5 GWA-3D38.1 GWA-4D30 GWA-5D16.7 GWA-7D363 GWA-10D78.8 GWA-11D121 GWA-14D25.9 MS-1694.6 MW-6D287 MW-7D73.2 MW-8D11.7 MW-9D91.2 MW-10D19 MW-11D58 MW-12D18 MW-13D49 MW-14D35 CCR-1D11.9 CCR-2D31.2 CCR-3D39.6 CCR-4D53.2 CCR-5D67.3 CCR-9DA63.7 CCR-11D921 CCR-12D60.9 CCR-13D230 CCR-14D541 CCR-15D359 CCR-16D38.4 MARSHALL RDBEATTY RDGREENWOOD RD S H E R R IL L S F O R D R D NOTES:THE NORTH CAROLINA 2L FOR BARIUM IS 700 μg/L. PROVISIONAL BACKGROUND THRESHOLD VALUE IS 127 μg/L. DASHED CONTOURS WHERE INFERRED. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. † CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC PBTV BUT W ITHIN THEBACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGICSETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENTMIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THEASH BASIN. CONCENTRATIONS REPORTED ON FIGURE REPRESENT MOST RECENT VALIDSAMPLE RESULTS FOR EACH WELL. DATA WITH HIGH TURBIDITY (>10 NTU) ORRESULTS THAT INDICATE GROUT CONTAMINATION OF THE W ELL (PH>8.5) HAVE BEENREMOVED FROM DATASET. COLLECTION DATES DEPICTED ON FIGURE RANGE FROMFEBRUARY 2015 TO OCTOBER 2017. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON SEPTEMBER 12,2017. AERIAL WAS COLLECTED ON OCTOBER 8, 2016. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83). FIGURE 11-8ISOCONCENTRATION MAPBARIUM IN DEEP GROUNDWATERMARSHALL STEAM STATIONDUKE ENERGY CAROLINAS, LLCTERRELL, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: T. PLATINGCHECKED BY: B. WILKER DATE: 01/25/2018 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Marshall\Mapdocs\CSA_Supplement_2\Marshall - Isoconcentration Maps.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET &<MONITORING W ELL &<MONITORING WELL IN ASH PORE W ATER &<BACKGROUND MONITORING W ELL WATER SUPPLY W ELL ASH BASIN WASTE BOUNDARY ASH BASIN COMPLIANCE BOUNDARY LANDFILL BOUNDARY STRUCTURAL FILL BOUNDARY LANDFILL COMPLIANCE BOUNDARY DUKE ENERGY CAROLINAS MARSHALL PLANTSITE BOUNDARY <STREAM (AMEC NRTR 2015) LEGEND NOT DETECTED ABOVE REPORTING LIMITND TOTAL BARIUM CONCENTRATION (μg/L)1 NOT SAMPLEDNS NORTH CAROLINA 2L CONTOUR PBTV CONTOUR INTERMEDIATE CONTOUR <<<<<<<<<<<<<<<<<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &<&< ASH BASIN LAKE NORMAN ASH BASIN FGDRESIDUELANDFILL PV STRUCTURALFILL INDUSTRIALLANDFILL #1 C&DLANDFILL ASH LANDFILL(PHASE II) ASHLANDFILL(PHASE I) ASBESTOSLANDFILL ACCESS ROADSTRUCTURAL FILL AB-1BR56 AB-5BR77.8 AB-9BR205 AB-10BR209 AB-12BR32.1 AB-15BR99.3 AL-1BR316 AL-2BR148 AL-4BR124 BG-1BRA345 BG-2BR†436 BG-3BR56.9 GWA-1BR36.4 GWA-6D29.3 GWA-8D30.9 GWA-9BR16.3 GWA-12BR28.1 MR113 MR1038.8 MR1148.5 MR1234 MR1332.1 MR1449.5 MR1686.5 MR1710.6 MR1817 MR2014 MR2174.6 MR2279.3 MR23121 MR2553.8 MR2652 MR2937 MR3123.3 MR32107 MR3326.7 MR3518 MR3732.3MR3891.7 MR4370 MR4017.4 MR4235MR4343 MR4433 MR45127 MR4783.5 MR4858.4 MR650.5 MR814 MR917.6 MW-4D41 MW-14BR31.6 AL-2BRLL98.8 MR36ND AL-2BRLNS MARSHALL RDBEATTY RDGREENWOOD RDSHERRILLS FORD RDNOTES:THE NORTH CAROLINA 2L FOR BARIUM IS 700 μg/L. PROVISIONAL BACKGROUND THRESHOLD VALUE IS 435 μg/L. DASHED CONTOURS WHERE INFERRED. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. † CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC PBTV BUT W ITHIN THEBACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGICSETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENTMIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THEASH BASIN. CONCENTRATIONS REPORTED ON FIGURE REPRESENT MOST RECENT VALIDSAMPLE RESULTS FOR EACH WELL. DATA WITH HIGH TURBIDITY (>10 NTU) ORRESULTS THAT INDICATE GROUT CONTAMINATION OF THE W ELL (PH>8.5) HAVE BEENREMOVED FROM DATASET. COLLECTION DATES DEPICTED ON FIGURE RANGE FROMFEBRUARY 2015 TO OCTOBER 2017. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON SEPTEMBER 12,2017. AERIAL WAS COLLECTED ON OCTOBER 8, 2016. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83). WATER SUPPLY WELL SAMPLED BY NCDEQ BETWEEN FEBRUARY 2015 AND OCTOBER2015. FIGURE 11-9ISOCONCENTRATION MAPBARIUM IN BEDROCK GROUNDWATERMARSHALL STEAM STATIONDUKE ENERGY CAROLINAS, LLCTERRELL, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: T. PLATINGCHECKED BY: B. WILKER DATE: 01/25/2018 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Marshall\Mapdocs\CSA_Supplement_2\Marshall - Isoconcentration Maps.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET &<MONITORING W ELL &<MONITORING WELL IN ASH PORE W ATER &<BACKGROUND MONITORING W ELL WATER SUPPLY W ELL ASH BASIN WASTE BOUNDARY ASH BASIN COMPLIANCE BOUNDARY LANDFILL BOUNDARY STRUCTURAL FILL BOUNDARY LANDFILL COMPLIANCE BOUNDARY DUKE ENERGY CAROLINAS MARSHALL PLANTSITE BOUNDARY <STREAM (AMEC NRTR 2015) LEGEND NOT DETECTED ABOVE REPORTING LIMITND TOTAL BARIUM CONCENTRATION (μg/L)1 NOT SAMPLEDNS NORTH CAROLINA 2L CONTOUR PBTV CONTOUR INTERMEDIATE CONTOUR <<<<<<<<<<<<<<<<<&< &< &<&<&< &< &< &< &< &< &< &<&< &<&< &< &< &<&< &< &<&< &< &<&< &< &< &<&< &< &< &< &< &< &< &< &< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< ASH BASIN LAKE NORMAN ASH BASIN FGDRESIDUELANDFILL PV STRUCTURALFILL INDUSTRIALLANDFILL #1 C&DLANDFILL ASH LANDFILL(PHASE II) ASHLANDFILL(PHASE I) ASBESTOSLANDFILL ACCESS ROADSTRUCTURAL FILL 0.20.2 0.2 0.24AB-1S1.7 AB-2S0.057 j AB-3S1.8 AB-5S*3.6 AB-6S*0.31 B AB-7S*0.016 j AB-8S*0.12 AB-9S0.025 j AB-10S*0.041 j AB-10SL*0.035 j AB-12S*0.086 j AB-12SL*0.018 j AB-14S*0.064 j AB-15S*0.017 j AB-15SL0.024 j AB-16S0.031 j AB-17S*0.1 AB-20S*0.3 AB-21S*0.032 j AL-1S5.3 AL-2S1.1 AL-3S*0.036 j BG-1S0.034 j BG-2S0.024 j BG-3S0.018 j GWA-1S0.71 GWA-2S†0.25 GWA-3S0.047 j GWA-4S0.043 j GWA-5S0.022 j GWA-6S0.1 GWA-7S0.01 j GWA-8S0.02 j GWA-10S0.089 j GWA-11S0.19 GWA-12S0.076 j GWA-13S0.045 j GWA-14S0.092 j GWA-15S0.15 MS-80.052 j MS-100.13 MS-110.052 j MS-120.18 MS-13†0.25 MW-10.2 MW-20.15 MW-30.58 MW-50.3 MW-6S0.65 M1,R1 MW-7S1.3 OB-1 (Ash Basin)0.16 CCR-1S0.38 CCR-2S0.13 CCR-3S0.13 CCR-4S0.6 CCR-5S0.091 j CCR-9S2.4 CCR-11S1.8CCR-12S5.2 CCR-13S0.025 j CCR-14S1.7 CCR-15S0.13 AB-4S*ND AB-4SL*ND AB-11SND AB-13S*ND AB-18S*ND MS-9ND MS-14ND MS-15ND MW-4ND MW-8SND MW-9SND MW-10SND MW-11SND MW-12SND MW-13SND MW-14SND MARSHALL RDBEATTY RDGREENWOOD RD S H E R R IL L S F O R D R D NOTES:THE INTERIM MAXIMUM ALLOWABLE CONCENTRATION (IMAC) FOR BERYLLIUM IS 4μg/L. PROVISIONAL BACKGROUND THRESHOLD VALUE IS 0.2 μg/L. DASHED CONTOURS WHERE INFERRED. * ASH PORE WATER DATA USED TO INFER GROUNDWATER CONCENTRATIONS IN THEABSENCE OF SHALLOW FLOW ZONE DATA. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. † CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC PBTV BUT W ITHIN THEBACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGICSETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENTMIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THEASH BASIN. CONCENTRATIONS REPORTED ON FIGURE REPRESENT MOST RECENT VALIDSAMPLE RESULTS FOR EACH WELL. DATA WITH HIGH TURBIDITY (>10 NTU) ORRESULTS THAT INDICATE GROUT CONTAMINATION OF THE W ELL (PH>8.5) HAVE BEENREMOVED FROM DATASET. COLLECTION DATES DEPICTED ON FIGURE RANGE FROMFEBRUARY 2015 TO OCTOBER 2017. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON SEPTEMBER 12,2017. AERIAL WAS COLLECTED ON OCTOBER 8, 2016. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83). FIGURE 11-10ISOCONCENTRATION MAPBERYLLIUM IN SHALLOW GROUNDWATERMARSHALL STEAM STATIONDUKE ENERGY CAROLINAS, LLCTERRELL, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: T. PLATINGCHECKED BY: B. WILKER DATE: 01/25/2018 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Marshall\Mapdocs\CSA_Supplement_2\Marshall - Isoconcentration Maps.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET &<MONITORING W ELL &<MONITORING WELL IN ASH PORE W ATER &<BACKGROUND MONITORING W ELL WATER SUPPLY W ELL ASH BASIN WASTE BOUNDARY ASH BASIN COMPLIANCE BOUNDARY LANDFILL BOUNDARY STRUCTURAL FILL BOUNDARY LANDFILL COMPLIANCE BOUNDARY DUKE ENERGY CAROLINAS MARSHALL PLANTSITE BOUNDARY <STREAM (AMEC NRTR 2015) LEGEND NOT DETECTED ABOVE REPORTING LIMITND TOTAL BERYLLIUM CONCENTRATION (μg/L)1 NOT SAMPLEDNS IMAC CONTOUR PBTV CONTOUR INTERMEDIATE CONTOUR <<<<<<<<<<<<<<<<<&< &<&<&< &< &<&< &< &< &< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< ASH BASIN LAKE NORMAN ASH BASIN FGDRESIDUELANDFILL PV STRUCTURALFILL INDUSTRIALLANDFILL #1 C&DLANDFILL ASH LANDFILL(PHASE II) ASHLANDFILL(PHASE I) ASBESTOSLANDFILL ACCESS ROADSTRUCTURAL FILL 0.10.1AB-2D0.031 j AB-4D0.053 j AB-5D0.1 AB-6D0.58 AB-7D0.01 j AB-9D0.035 j AB-10D0.028 jAB-14D0.046 j AL-1D0.024 j AL-2D0.052 j AL-4D0.043 j BG-3D0.013 j GWA-1D0.02 j GWA-3D0.012 j GWA-5D0.049 j GWA-11D0.042 j GWA-14D0.063 j MS-160.025 j MW-6D0.029 j MW-7D0.025 j MW-8D0.11 MW-9D0.064 j CCR-1D0.032 j CCR-2D0.097 j CCR-5D0.047 j CCR-11D0.55 CCR-14D0.04 j CCR-16D0.02 j AB-1DND AB-3DND AB-8DND AB-11DND AB-12DND AB-13DND AB-16DND AB-17DND AB-18DND AB-21DND AL-3DND BG-1DND GWA-4DND GWA-7DND GWA-10DND MW-10DND MW-11DND MW-12DND MW-13DND MW-14DND CCR-3DND CCR-4DND CCR-9DAND CCR-12DND CCR-13DND CCR-15DND MARSHALL RDBEATTY RDGREENWOOD RD S H E R R IL L S F O R D R D NOTES:THE INTERIM MAXIMUM ALLOWABLE CONCENTRATION (IMAC) FOR BERYLLIUM IS 4μg/L. PROVISIONAL BACKGROUND THRESHOLD VALUE IS 0.1 μg/L. DASHED CONTOURS WHERE INFERRED. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. † CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC PBTV BUT W ITHIN THEBACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGICSETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENTMIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THEASH BASIN. CONCENTRATIONS REPORTED ON FIGURE REPRESENT MOST RECENT VALIDSAMPLE RESULTS FOR EACH WELL. DATA WITH HIGH TURBIDITY (>10 NTU) ORRESULTS THAT INDICATE GROUT CONTAMINATION OF THE W ELL (PH>8.5) HAVE BEENREMOVED FROM DATASET. COLLECTION DATES DEPICTED ON FIGURE RANGE FROMFEBRUARY 2015 TO OCTOBER 2017. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON SEPTEMBER 12,2017. AERIAL WAS COLLECTED ON OCTOBER 8, 2016. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83). FIGURE 11-11ISOCONCENTRATION MAPBERYLLIUM IN DEEP GROUNDWATERMARSHALL STEAM STATIONDUKE ENERGY CAROLINAS, LLCTERRELL, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: T. PLATINGCHECKED BY: B. WILKER DATE: 01/25/2018 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Marshall\Mapdocs\CSA_Supplement_2\Marshall - Isoconcentration Maps.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET &<MONITORING W ELL &<MONITORING WELL IN ASH PORE W ATER &<BACKGROUND MONITORING W ELL WATER SUPPLY W ELL ASH BASIN WASTE BOUNDARY ASH BASIN COMPLIANCE BOUNDARY LANDFILL BOUNDARY STRUCTURAL FILL BOUNDARY LANDFILL COMPLIANCE BOUNDARY DUKE ENERGY CAROLINAS MARSHALL PLANTSITE BOUNDARY <STREAM (AMEC NRTR 2015) LEGEND NOT DETECTED ABOVE REPORTING LIMITND TOTAL BERYLLIUM CONCENTRATION (μg/L)1 NOT SAMPLEDNS IMAC CONTOUR PBTV CONTOUR INTERMEDIATE CONTOUR <<<<<<<<<<<<<<<<<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &<&< ASH BASIN LAKE NORMAN ASH BASIN FGDRESIDUELANDFILL PV STRUCTURALFILL INDUSTRIALLANDFILL #1 C&DLANDFILL ASH LANDFILL(PHASE II) ASHLANDFILL(PHASE I) ASBESTOSLANDFILL ACCESS ROADSTRUCTURAL FILL 0.2AB-1BR0.039 j AB-5BR0.32 AB-10BR0.04 j AB-15BR0.02 j AL-1BR0.01 j AL-4BR0.039 j GWA-1BR0.019 j GWA-12BR0.011 j MR38†0.21 MR40.19 AL-2BRLL0.017 j,B AB-9BRND AB-12BRND AL-2BRND BG-1BRAND BG-2BRND BG-3BRND GWA-6DND GWA-8DND GWA-9BRND MR1ND MR10ND MR11ND MR12ND MR13ND MR14ND MR16ND MR17ND MR18ND MR20ND MR21ND MR22ND MR23ND MR25ND MR26ND MR29ND MR31ND MR32ND MR33ND MR35ND MR36ND MR37ND MR40ND MR42NDMR43ND MR44ND MR45ND MR47ND MR48ND MR6ND MR8ND MR9ND MW-4DND MW-14BRND AL-2BRLNS MARSHALL RDBEATTY RDGREENWOOD RDSHERRILLS FORD RDNOTES:THE INTERIM MAXIMUM ALLOWABLE CONCENTRATION (IMAC) FOR BERYLLIUM IS 4μg/L. PROVISIONAL BACKGROUND THRESHOLD VALUE IS 0.2 μg/L. DASHED CONTOURS WHERE INFERRED. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. † CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC PBTV BUT W ITHIN THEBACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGICSETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENTMIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THEASH BASIN. CONCENTRATIONS REPORTED ON FIGURE REPRESENT MOST RECENT VALIDSAMPLE RESULTS FOR EACH WELL. DATA WITH HIGH TURBIDITY (>10 NTU) ORRESULTS THAT INDICATE GROUT CONTAMINATION OF THE W ELL (PH>8.5) HAVE BEENREMOVED FROM DATASET. COLLECTION DATES DEPICTED ON FIGURE RANGE FROMFEBRUARY 2015 TO OCTOBER 2017. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON SEPTEMBER 12,2017. AERIAL WAS COLLECTED ON OCTOBER 8, 2016. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83). WATER SUPPLY WELL SAMPLED BY NCDEQ BETWEEN FEBRUARY 2015 AND OCTOBER2015. FIGURE 11-12ISOCONCENTRATION MAPBERYLLIUM IN BEDROCK GROUNDWATERMARSHALL STEAM STATIONDUKE ENERGY CAROLINAS, LLCTERRELL, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: T. PLATINGCHECKED BY: B. WILKER DATE: 01/25/2018 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Marshall\Mapdocs\CSA_Supplement_2\Marshall - Isoconcentration Maps.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET &<MONITORING W ELL &<MONITORING WELL IN ASH PORE W ATER &<BACKGROUND MONITORING W ELL WATER SUPPLY W ELL ASH BASIN WASTE BOUNDARY ASH BASIN COMPLIANCE BOUNDARY LANDFILL BOUNDARY STRUCTURAL FILL BOUNDARY LANDFILL COMPLIANCE BOUNDARY DUKE ENERGY CAROLINAS MARSHALL PLANTSITE BOUNDARY <STREAM (AMEC NRTR 2015) LEGEND NOT DETECTED ABOVE REPORTING LIMITND TOTAL BERYLLIUM CONCENTRATION (μg/L)1 NOT SAMPLEDNS IMAC CONTOUR PBTV CONTOUR INTERMEDIATE CONTOUR <<<<<<<<<<<<<<<<<&< &< &<&<&< &< &< &< &< &< &< &<&< &<&< &< &< &<&< &< &<&< &< &<&< &< &< &<&< &< &< &< &< &< &< &< &< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< ASH BASIN LAKE NORMAN ASH BASIN FGDRESIDUELANDFILL PV STRUCTURALFILL INDUSTRIALLANDFILL #1 C&DLANDFILL ASH LANDFILL(PHASE II) ASHLANDFILL(PHASE I) ASBESTOSLANDFILL ACCESS ROADSTRUCTURAL FILL 5050700AB-1S5300 AB-3S1160 AB-4S*246 AB-4SL*583 AB-5S*2280 AB-6S*5810 AB-7S*9390 AB-8S*1230 AB-9S25.6 j AB-10S*25000 M6 AB-10SL*11400 AB-12S*75200 AB-12SL*2860 AB-13S*788 AB-14S*20500 AB-15S*3890 AB-15SL1570 AB-16S115 AB-17S*24200 AB-18S*2300 AB-20S*48500 M6 AB-21S*2920 AL-1S4480 AL-2S9620 AL-3S*67400 BG-1S33.8 j GWA-11S2880 GWA-15S1520 MW-1212 MW-22880 MW-6S1360 MW-7S5130 MW-8S236 MW-14S2340 OB-1 (Ash Basin)1740 CCR-2S123 CCR-4S243 CCR-5S112 CCR-9S4250 CCR-11S5300 CCR-12S3620 CCR-13S5810 CCR-14S2290 AB-2SND AB-11SND BG-2SND BG-3SND GWA-1SNDGWA-2SND GWA-3SND GWA-4SND GWA-5SND GWA-6SND GWA-7SND GWA-8SND GWA-10SND GWA-12SND GWA-13SND GWA-14SND MS-8ND MS-9NDMS-10ND MS-11ND MS-12ND MS-13ND MS-14ND MS-15ND MW-3ND MW-4ND MW-5ND MW-9SND MW-10SND MW-11SND MW-12SND MW-13SND CCR-1SND CCR-3SND CCR-15SND MARSHALL RDBEATTY RDGREENWOOD RD S H E R R IL L S F O R D R D NOTES:THE NORTH CAROLINA 2L FOR BORON IS 700 μg/L. PROVISIONAL BACKGROUND THRESHOLD VALUE IS 50 μg/L. DASHED CONTOURS WHERE INFERRED. * ASH PORE WATER DATA USED TO INFER GROUNDWATER CONCENTRATIONS IN THEABSENCE OF SHALLOW FLOW ZONE DATA. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. † CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC PBTV BUT W ITHIN THEBACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGICSETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENTMIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THEASH BASIN. CONCENTRATIONS REPORTED ON FIGURE REPRESENT MOST RECENT VALIDSAMPLE RESULTS FOR EACH WELL. DATA WITH HIGH TURBIDITY (>10 NTU) ORRESULTS THAT INDICATE GROUT CONTAMINATION OF THE W ELL (PH>8.5) HAVE BEENREMOVED FROM DATASET. COLLECTION DATES DEPICTED ON FIGURE RANGE FROMFEBRUARY 2015 TO OCTOBER 2017. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON SEPTEMBER 12,2017. AERIAL WAS COLLECTED ON OCTOBER 8, 2016. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83). FIGURE 11-13ISOCONCENTRATION MAPBORON IN SHALLOW GROUNDWATERMARSHALL STEAM STATIONDUKE ENERGY CAROLINAS, LLCTERRELL, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: T. PLATINGCHECKED BY: B. WILKER DATE: 01/25/2018 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Marshall\Mapdocs\CSA_Supplement_2\Marshall - Isoconcentration Maps.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET &<MONITORING W ELL &<MONITORING WELL IN ASH PORE W ATER &<BACKGROUND MONITORING W ELL WATER SUPPLY W ELL ASH BASIN WASTE BOUNDARY ASH BASIN COMPLIANCE BOUNDARY LANDFILL BOUNDARY STRUCTURAL FILL BOUNDARY LANDFILL COMPLIANCE BOUNDARY DUKE ENERGY CAROLINAS MARSHALL PLANTSITE BOUNDARY <STREAM (AMEC NRTR 2015) LEGEND NOT DETECTED ABOVE REPORTING LIMITND TOTAL BORON CONCENTRATION (μg/L)1 NOT SAMPLEDNS NORTH CAROLINA 2L CONTOUR PBTV CONTOUR INTERMEDIATE CONTOUR <<<<<<<<<<<<<<<<<&< &<&<&< &< &<&< &< &< &< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< ASH BASIN LAKE NORMAN ASH BASIN FGDRESIDUELANDFILL PV STRUCTURALFILL INDUSTRIALLANDFILL #1 C&DLANDFILL ASH LANDFILL(PHASE II) ASHLANDFILL(PHASE I) ASBESTOSLANDFILL ACCESS ROADSTRUCTURAL FILL 5050 7 0 0 70045004 5 0 0 AB-1D933 AB-2D366 AB-3D174 AB-4D363 AB-6D6270 AB-7D44 j AB-10D1580 AB-12D1350 AB-14D314 AB-15D47.1 jAB-20D39.2 j AL-1D2340 AL-2D9720 AL-3D4860 AL-4D29500 GWA-11D1010 MW-6D124 MW-7D291 MW-8D239 MW-9D455 MW-14D2140 CCR-2D134 CCR-11D2340 CCR-13D83.5 CCR-14D1850 AB-5DND AB-8DND AB-9DND AB-11DND AB-13DND AB-16DND AB-17DND AB-18DND AB-21DND BG-1DND BG-3DND GWA-1DNDGWA-2DAND GWA-3DND GWA-4DND GWA-5DND GWA-7DND GWA-10DND GWA-12DND GWA-13DAND GWA-14DND MS-16ND MW-10DND MW-11DND MW-12DND MW-13DND CCR-1DND CCR-3DND CCR-4DND CCR-5DND CCR-9DAND CCR-12DND CCR-15DND CCR-16DND MARSHALL RDBEATTY RDGREENWOOD RD S H E R R IL L S F O R D R D NOTES:THE NORTH CAROLINA 2L FOR BORON IS 700 μg/L. PROVISIONAL BACKGROUND THRESHOLD VALUE IS 50 μg/L. DASHED CONTOURS WHERE INFERRED. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. † CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC PBTV BUT W ITHIN THEBACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGICSETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENTMIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THEASH BASIN. CONCENTRATIONS REPORTED ON FIGURE REPRESENT MOST RECENT VALIDSAMPLE RESULTS FOR EACH WELL. DATA WITH HIGH TURBIDITY (>10 NTU) ORRESULTS THAT INDICATE GROUT CONTAMINATION OF THE W ELL (PH>8.5) HAVE BEENREMOVED FROM DATASET. COLLECTION DATES DEPICTED ON FIGURE RANGE FROMFEBRUARY 2015 TO OCTOBER 2017. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON SEPTEMBER 12,2017. AERIAL WAS COLLECTED ON OCTOBER 8, 2016. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83). FIGURE 11-14ISOCONCENTRATION MAPBORON IN DEEP GROUNDWATERMARSHALL STEAM STATIONDUKE ENERGY CAROLINAS, LLCTERRELL, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: T. PLATINGCHECKED BY: B. WILKER DATE: 01/25/2018 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Marshall\Mapdocs\CSA_Supplement_2\Marshall - Isoconcentration Maps.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET &<MONITORING W ELL &<MONITORING WELL IN ASH PORE W ATER &<BACKGROUND MONITORING W ELL WATER SUPPLY W ELL ASH BASIN WASTE BOUNDARY ASH BASIN COMPLIANCE BOUNDARY LANDFILL BOUNDARY STRUCTURAL FILL BOUNDARY LANDFILL COMPLIANCE BOUNDARY DUKE ENERGY CAROLINAS MARSHALL PLANTSITE BOUNDARY <STREAM (AMEC NRTR 2015) LEGEND NOT DETECTED ABOVE REPORTING LIMITND TOTAL BORON CONCENTRATION (μg/L)1 NOT SAMPLEDNS NORTH CAROLINA 2L CONTOUR PBTV CONTOUR INTERMEDIATE CONTOUR <<<<<<<<<<<<<<<<<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &<&< &< &< &< &< &< &< &< &< ASH BASIN LAKE NORMAN ASH BASIN FGDRESIDUELANDFILL PV STRUCTURALFILL INDUSTRIALLANDFILL #1 C&DLANDFILL ASH LANDFILL(PHASE II) ASHLANDFILL(PHASE I) ASBESTOSLANDFILL ACCESS ROADSTRUCTURAL FILL 50 507007 0 0 AB-1BR1250 AB-6BRA276 AB-10BR283 AL-1BR446 AL-2BR2650 AL-2BRL1810 AL-3BR775AL-4BR7120 GWA-11BR31.7 j MR445.1 MW-14BR53.7 AL-2BRLL9450 AB-5BRND AB-9BRND AB-12BRND AB-15BRND BG-1BRAND BG-2BRND BG-3BRND GWA-1BRND GWA-6DND GWA-8DND GWA-9BRND GWA-12BRND MR1ND MR10ND MR11ND MR12ND MR13ND MR14ND MR16ND MR17ND MR18ND MR20ND MR21ND MR22ND MR23ND MR25ND MR26ND MR29ND MR31ND MR32ND MR33ND MR35ND MR36ND MR37NDMR38ND MR4ND MR40ND MR42ND MR43ND MR45ND MR47ND MR48ND MR6ND MR8ND MR9ND MW-4DND MARSHALL RDBEATTY RDGREENWOOD RDSHERRILLS FORD RDNOTES:THE NORTH CAROLINA 2L FOR BORON IS 700 μg/L. PROVISIONAL BACKGROUND THRESHOLD VALUE IS 50 μg/L. DASHED CONTOURS WHERE INFERRED. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. † CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC PBTV BUT W ITHIN THEBACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGICSETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENTMIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THEASH BASIN. CONCENTRATIONS REPORTED ON FIGURE REPRESENT MOST RECENT VALIDSAMPLE RESULTS FOR EACH WELL. DATA WITH HIGH TURBIDITY (>10 NTU) ORRESULTS THAT INDICATE GROUT CONTAMINATION OF THE W ELL (PH>8.5) HAVE BEENREMOVED FROM DATASET. COLLECTION DATES DEPICTED ON FIGURE RANGE FROMFEBRUARY 2015 TO OCTOBER 2017. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON SEPTEMBER 12,2017. AERIAL WAS COLLECTED ON OCTOBER 8, 2016. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83). WATER SUPPLY WELL SAMPLED BY NCDEQ BETWEEN FEBRUARY 2015 AND OCTOBER2015. FIGURE 11-15ISOCONCENTRATION MAPBORON IN BEDROCK GROUNDWATERMARSHALL STEAM STATIONDUKE ENERGY CAROLINAS, LLCTERRELL, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: T. PLATINGCHECKED BY: B. WILKER DATE: 01/25/2018 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Marshall\Mapdocs\CSA_Supplement_2\Marshall - Isoconcentration Maps.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET &<MONITORING W ELL &<MONITORING WELL IN ASH PORE W ATER &<BACKGROUND MONITORING W ELL WATER SUPPLY W ELL ASH BASIN WASTE BOUNDARY ASH BASIN COMPLIANCE BOUNDARY LANDFILL BOUNDARY STRUCTURAL FILL BOUNDARY LANDFILL COMPLIANCE BOUNDARY DUKE ENERGY CAROLINAS MARSHALL PLANTSITE BOUNDARY <STREAM (AMEC NRTR 2015) LEGEND NOT DETECTED ABOVE REPORTING LIMITND TOTAL BORON CONCENTRATION (μg/L)1 NOT SAMPLEDNS NORTH CAROLINA 2L CONTOUR PBTV CONTOUR INTERMEDIATE CONTOUR <<<<<<<<<<<<<<<<<&< &< &<&<&< &< &< &< &< &< &< &<&< &<&< &< &< &<&< &< &<&< &< &<&< &< &< &<&< &< &< &< &< &< &< &< &< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< ASH BASIN LAKE NORMAN ASH BASIN FGDRESIDUELANDFILL PV STRUCTURALFILL INDUSTRIALLANDFILL #1 C&DLANDFILL ASH LANDFILL(PHASE II) ASHLANDFILL(PHASE I) ASBESTOSLANDFILL ACCESS ROADSTRUCTURAL FILL 0.080.08AB-1S0.24 AB-3S0.28 AB-4S*0.075 jAB-5S*0.27 AB-6S*0.45 AB-7S*0.51 AB-10S*0.25 AB-10SL*0.087 AB-20S*7.6 AL-1S0.3 AL-2S0.79 AL-3S*3.1 GWA-11S0.24 GWA-12S0.062 j GWA-13S0.061 j GWA-15S0.33 MW-10.15 MW-20.1 MW-50.064 j MW-6S0.24 MW-7S0.18 MW-9S0.061 j OB-1 (Ash Basin)0.23 CCR-2S0.085 CCR-4S0.71 CCR-9S0.96 CCR-11S0.24 CCR-12S1.3 CCR-14S0.52 AB-2SND AB-4SL*ND AB-8S*ND AB-9SND AB-11SND AB-12S*ND AB-12SL*ND AB-13S*ND AB-14S*ND AB-15S*ND AB-15SLND AB-16SND AB-17S*ND AB-18S*ND AB-21S*ND BG-1SND BG-2SND BG-3SND GWA-1SNDGWA-2SND GWA-3SND GWA-4SND GWA-5SND GWA-6SND GWA-7SND GWA-8SND GWA-10SND GWA-14SND MS-8ND MS-9ND MS-10ND MS-11ND MS-12ND MS-13ND MS-14ND MS-15ND MW-3ND MW-4ND MW-8SND MW-10SND MW-11SND MW-12SND MW-13SND MW-14SND CCR-1SND CCR-3SND CCR-5SND CCR-13SND CCR-15SND MARSHALL RDBEATTY RDGREENWOOD RD S H E R R IL L S F O R D R D NOTES:THE NORTH CAROLINA 2L FOR CADMIUM IS 2 μg/L. PROVISIONAL BACKGROUND THRESHOLD VALUE IS 0.08 µg/L. DASHED CONTOURS WHERE INFERRED. * ASH PORE WATER DATA USED TO INFER GROUNDWATER CONCENTRATIONS IN THEABSENCE OF SHALLOW FLOW ZONE DATA. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. † CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC PBTV BUT W ITHIN THEBACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGICSETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENTMIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THEASH BASIN. CONCENTRATIONS REPORTED ON FIGURE REPRESENT MOST RECENT VALIDSAMPLE RESULTS FOR EACH WELL. DATA WITH HIGH TURBIDITY (>10 NTU) ORRESULTS THAT INDICATE GROUT CONTAMINATION OF THE W ELL (PH>8.5) HAVE BEENREMOVED FROM DATASET. COLLECTION DATES DEPICTED ON FIGURE RANGE FROMFEBRUARY 2015 TO OCTOBER 2017. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON SEPTEMBER 12,2017. AERIAL WAS COLLECTED ON OCTOBER 8, 2016. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83). FIGURE 11-16ISOCONCENTRATION MAPCADMIUM IN SHALLOW GROUNDWATERMARSHALL STEAM STATIONDUKE ENERGY CAROLINAS, LLCTERRELL, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: T. PLATINGCHECKED BY: B. WILKER DATE: 01/25/2018 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Marshall\Mapdocs\CSA_Supplement_2\Marshall - Isoconcentration Maps.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET &<MONITORING W ELL &<MONITORING WELL IN ASH PORE W ATER &<BACKGROUND MONITORING W ELL WATER SUPPLY W ELL ASH BASIN WASTE BOUNDARY ASH BASIN COMPLIANCE BOUNDARY LANDFILL BOUNDARY STRUCTURAL FILL BOUNDARY LANDFILL COMPLIANCE BOUNDARY DUKE ENERGY CAROLINAS MARSHALL PLANTSITE BOUNDARY <STREAM (AMEC NRTR 2015) LEGEND NOT DETECTED ABOVE REPORTING LIMITND TOTAL CADMIUM CONCENTRATION (μg/L)1 NOT SAMPLEDNS NORTH CAROLINA 2L CONTOUR PBTV CONTOUR INTERMEDIATE CONTOUR <<<<<<<<<<<<<<<<<&< &<&<&< &< &<&< &< &< &< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< ASH BASIN LAKE NORMAN ASH BASIN FGDRESIDUELANDFILL PV STRUCTURALFILL INDUSTRIALLANDFILL #1 C&DLANDFILL ASH LANDFILL(PHASE II) ASHLANDFILL(PHASE I) ASBESTOSLANDFILL ACCESS ROADSTRUCTURAL FILL 0.080.080.0 8 AB-1D0.067 j AB-5D0.17 AL-2D0.099 AL-4D0.11 BG-1D0.053 j GWA-1D0.061 j GWA-14D†0.18 MW-6D0.12 MW-9D0.13 CCR-11D1.2 AB-2DND AB-3DND AB-4DND AB-6DND AB-7DND AB-8DND AB-9DND AB-10DND AB-11DND AB-12DND AB-13DND AB-14DND AB-16DND AB-17DND AB-18DND AB-21DND AL-1DND AL-3DND BG-3DND GWA-3DND GWA-4DND GWA-5DND GWA-7DND GWA-10DND GWA-11DND MS-16ND MW-7DND MW-8DND MW-10DND MW-11DND MW-12DND MW-13DND MW-14DND CCR-1DND CCR-2DND CCR-3DND CCR-4DND CCR-5DND CCR-9DAND CCR-12DND CCR-13DND CCR-14DND CCR-15DND CCR-16DND MARSHALL RDBEATTY RDGREENWOOD RD S H E R R IL L S F O R D R D NOTES:THE NORTH CAROLINA 2L FOR CADMIUM IS 2 μg/L. PROVISIONAL BACKGROUND THRESHOLD VALUE IS 0.08 µg/L. DASHED CONTOURS WHERE INFERRED. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. † CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC PBTV BUT W ITHIN THEBACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGICSETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENTMIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THEASH BASIN. CONCENTRATIONS REPORTED ON FIGURE REPRESENT MOST RECENT VALIDSAMPLE RESULTS FOR EACH WELL. DATA WITH HIGH TURBIDITY (>10 NTU) ORRESULTS THAT INDICATE GROUT CONTAMINATION OF THE W ELL (PH>8.5) HAVE BEENREMOVED FROM DATASET. COLLECTION DATES DEPICTED ON FIGURE RANGE FROMFEBRUARY 2015 TO OCTOBER 2017. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON SEPTEMBER 12,2017. AERIAL WAS COLLECTED ON OCTOBER 8, 2016. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83). FIGURE 11-17ISOCONCENTRATION MAPCADMIUM IN DEEP GROUNDWATERMARSHALL STEAM STATIONDUKE ENERGY CAROLINAS, LLCTERRELL, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: T. PLATINGCHECKED BY: B. WILKER DATE: 01/25/2018 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Marshall\Mapdocs\CSA_Supplement_2\Marshall - Isoconcentration Maps.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET &<MONITORING W ELL &<MONITORING WELL IN ASH PORE W ATER &<BACKGROUND MONITORING W ELL WATER SUPPLY W ELL ASH BASIN WASTE BOUNDARY ASH BASIN COMPLIANCE BOUNDARY LANDFILL BOUNDARY STRUCTURAL FILL BOUNDARY LANDFILL COMPLIANCE BOUNDARY DUKE ENERGY CAROLINAS MARSHALL PLANTSITE BOUNDARY <STREAM (AMEC NRTR 2015) LEGEND NOT DETECTED ABOVE REPORTING LIMITND TOTAL CADMIUM CONCENTRATION (μg/L)1 NOT SAMPLEDNS NORTH CAROLINA 2L CONTOUR PBTV CONTOUR INTERMEDIATE CONTOUR <<<<<<<<<<<<<<<<<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &<&< ASH BASIN LAKE NORMAN ASH BASIN FGDRESIDUELANDFILL PV STRUCTURALFILL INDUSTRIALLANDFILL #1 C&DLANDFILL ASH LANDFILL(PHASE II) ASHLANDFILL(PHASE I) ASBESTOSLANDFILL ACCESS ROADSTRUCTURAL FILL AB-5BR0.063 j AB-12BR0.063 j MR1†0.84 MR4†0.12 MR40†0.09 AB-1BRND AB-9BRND AB-10BRND AB-15BRND AL-1BRND AL-2BRND AL-4BRND BG-1BRAND BG-2BRND BG-3BRND GWA-1BRND GWA-6DND GWA-8DND GWA-9BRND GWA-12BRND MR10ND MR11ND MR12ND MR13ND MR14ND MR16ND MR17ND MR18ND MR20ND MR21ND MR22ND MR23NDMR25ND MR26ND MR29ND MR31ND MR32ND MR33ND MR35ND MR36ND MR37NDMR38ND MR42NDMR43ND MR44ND MR45ND MR47ND MR48ND MR6ND MR8ND MR9ND MW-4DND MW-14BRND AL-2BRLLND AL-2BRLNS MARSHALL RDBEATTY RDGREENWOOD RDSHERRILLS FORD RDNOTES:THE NORTH CAROLINA 2L FOR CADMIUM IS 2 μg/L. PROVISIONAL BACKGROUND THRESHOLD VALUE IS 0.08 µg/L. DASHED CONTOURS WHERE INFERRED. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. † CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC PBTV BUT W ITHIN THEBACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGICSETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENTMIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THEASH BASIN. CONCENTRATIONS REPORTED ON FIGURE REPRESENT MOST RECENT VALIDSAMPLE RESULTS FOR EACH WELL. DATA WITH HIGH TURBIDITY (>10 NTU) ORRESULTS THAT INDICATE GROUT CONTAMINATION OF THE W ELL (PH>8.5) HAVE BEENREMOVED FROM DATASET. COLLECTION DATES DEPICTED ON FIGURE RANGE FROMFEBRUARY 2015 TO OCTOBER 2017. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON SEPTEMBER 12,2017. AERIAL WAS COLLECTED ON OCTOBER 8, 2016. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83). WATER SUPPLY WELL SAMPLED BY NCDEQ BETWEEN FEBRUARY 2015 AND OCTOBER2015. FIGURE 11-18ISOCONCENTRATION MAPCADMIUM IN BEDROCK GROUNDWATERMARSHALL STEAM STATIONDUKE ENERGY CAROLINAS, LLCTERRELL, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: T. PLATINGCHECKED BY: B. WILKER DATE: 01/25/2018 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Marshall\Mapdocs\CSA_Supplement_2\Marshall - Isoconcentration Maps.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET &<MONITORING W ELL &<MONITORING WELL IN ASH PORE W ATER &<BACKGROUND MONITORING W ELL WATER SUPPLY W ELL ASH BASIN WASTE BOUNDARY ASH BASIN COMPLIANCE BOUNDARY LANDFILL BOUNDARY STRUCTURAL FILL BOUNDARY LANDFILL COMPLIANCE BOUNDARY DUKE ENERGY CAROLINAS MARSHALL PLANTSITE BOUNDARY <STREAM (AMEC NRTR 2015) LEGEND NOT DETECTED ABOVE REPORTING LIMITND TOTAL CADMIUM CONCENTRATION (μg/L)1 NOT SAMPLEDNS NORTH CAROLINA 2L CONTOUR PBTV CONTOUR INTERMEDIATE CONTOUR <<<<<<<<<<<<<<<<<&< &< &<&<&< &< &< &< &< &< &< &<&< &<&< &< &< &<&< &< &<&< &< &<&< &< &< &<&< &< &< &< &< &< &< &< &< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< ASH BASIN LAKE NORMAN ASH BASIN FGDRESIDUELANDFILL PV STRUCTURALFILL INDUSTRIALLANDFILL #1 C&DLANDFILL ASH LANDFILL(PHASE II) ASHLANDFILL(PHASE I) ASBESTOSLANDFILL ACCESS ROADSTRUCTURAL FILL 5.5250 1 AB-1S248 AB-2S3 AB-3S7 AB-4S*7.9 AB-4SL*9 AB-5S*39.1 AB-6S*3.5 AB-7S*4.5 AB-8S*4.9 M1 AB-9S2.8 AB-10S*8.6 AB-10SL*7.2 AB-11S2 AB-12S*2690 AB-12SL*132 AB-13S*0.9 j AB-14S*7.7 AB-15S*41AB-15SL3.8 AB-16S2.1 AB-17S*14.7 AB-18S*8.2 AB-20S*67 AB-21S*434 AL-1S231 AL-2S1.6 AL-3S*24 BG-1S5 BG-2S2.1 BG-3S2.6 M1 GWA-1S3GWA-2S1.3 GWA-3S2.3 GWA-4S3.9 GWA-5S1.2 GWA-6S3.3 GWA-7S5.1 GWA-8S4.5 GWA-10S1.7 GWA-11S4.2 GWA-12S2.2 GWA-13S1.6 GWA-14S1.2 GWA-15S157 MS-81.1 MS-90.98 jMS-101.1 MS-112.8 MS-123.4 MS-132.9 MS-140.86 j MS-152.1 MW-1139 MW-24.6 MW-310.1 MW-42 MW-52.4 MW-6S52.4 MW-7S201 MW-8S2.4MW-9S14.7 MW-10S1 MW-11S2.9 MW-12S1.2 MW-13S4.3 MW-14S140 OB-1 (Ash Basin)238 CCR-1S4.1 CCR-2S6.9 CCR-3S3.5 CCR-4S9.2 CCR-5S12.1 CCR-9S216 M6 CCR-11S232 CCR-12S246 CCR-13S255 CCR-14S338 M6 CCR-15S1.9 MARSHALL RDBEATTY RDGREENWOOD RD S H E R R IL L S F O R D R D NOTES:THE NORTH CAROLINA 2L FOR CHLORIDE IS 250 mg/L. PROVISIONAL BACKGROUND THRESHOLD VALUE IS 5.5 mg/L. DASHED CONTOURS WHERE INFERRED. * ASH PORE WATER DATA USED TO INFER GROUNDWATER CONCENTRATIONS IN THEABSENCE OF SHALLOW FLOW ZONE DATA. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. † CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC PBTV BUT W ITHIN THEBACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGICSETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENTMIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THEASH BASIN. CONCENTRATIONS REPORTED ON FIGURE REPRESENT MOST RECENT VALIDSAMPLE RESULTS FOR EACH WELL. DATA WITH HIGH TURBIDITY (>10 NTU) ORRESULTS THAT INDICATE GROUT CONTAMINATION OF THE W ELL (PH>8.5) HAVE BEENREMOVED FROM DATASET. COLLECTION DATES DEPICTED ON FIGURE RANGE FROMFEBRUARY 2015 TO OCTOBER 2017. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON SEPTEMBER 12,2017. AERIAL WAS COLLECTED ON OCTOBER 8, 2016. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83). FIGURE 11-19ISOCONCENTRATION MAPCHLORIDE IN SHALLOW GROUNDWATERMARSHALL STEAM STATIONDUKE ENERGY CAROLINAS, LLCTERRELL, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: T. PLATINGCHECKED BY: B. WILKER DATE: 01/25/2018 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Marshall\Mapdocs\CSA_Supplement_2\Marshall - Isoconcentration Maps.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET &<MONITORING W ELL &<MONITORING WELL IN ASH PORE W ATER &<BACKGROUND MONITORING W ELL WATER SUPPLY W ELL ASH BASIN WASTE BOUNDARY ASH BASIN COMPLIANCE BOUNDARY LANDFILL BOUNDARY STRUCTURAL FILL BOUNDARY LANDFILL COMPLIANCE BOUNDARY DUKE ENERGY CAROLINAS MARSHALL PLANTSITE BOUNDARY <STREAM (AMEC NRTR 2015) LEGEND NOT DETECTED ABOVE REPORTING LIMITND TOTAL CHLORIDE CONCENTRATION (mg/L)1 NOT SAMPLEDNS NORTH CAROLINA 2L CONTOUR PBTV CONTOUR INTERMEDIATE CONTOUR <<<<<<<<<<<<<<<<<&< &<&<&< &< &<&< &< &< &< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< ASH BASIN LAKE NORMAN ASH BASIN FGDRESIDUELANDFILL PV STRUCTURALFILL INDUSTRIALLANDFILL #1 C&DLANDFILL ASH LANDFILL(PHASE II) ASHLANDFILL(PHASE I) ASBESTOSLANDFILL ACCESS ROADSTRUCTURAL FILL 4.7 250 250 AB-1D234 AB-2D5.1 AB-3D4.6 AB-4D8.4 AB-5D2.6 AB-6D3.6 AB-7D2.2 AB-8D2.5 AB-9D1.9 AB-10D5.2 AB-11D1.8 AB-12D182 AB-13D1.9 AB-14D1.8 AB-16D3.1 AB-17D1.2 AB-18D1.8 AB-21D8.6 AL-1D282 AL-2D2.6 AL-3D3 AL-4D3.2 BG-1D3.3 BG-3D2.9 GWA-1D2.3 GWA-3D2.2 GWA-4D3.5 GWA-5D1.4 GWA-7D2.7 GWA-10D1.4 GWA-11D4.3 GWA-14D2.1 MS-161.4 MW-6D122 MW-7D106 MW-8D8.3 M1 MW-9D6.6 MW-10D1.5 MW-11D2.1 MW-12D1.1 MW-13D4.6 MW-14D58 CCR-1D1.4 CCR-2D5.4 CCR-3D1.2 CCR-4D0.86 j CCR-5D3.3 CCR-9DA40.3 CCR-11D290 CCR-12D3.3 CCR-13D132 CCR-14D251 CCR-15D3 CCR-16D3.6 MARSHALL RDBEATTY RDGREENWOOD RD S H E R R IL L S F O R D R D NOTES:THE NORTH CAROLINA 2L FOR CHLORIDE IS 250 mg/L. PROVISIONAL BACKGROUND THRESHOLD VALUE IS 4.7 mg/L. DASHED CONTOURS WHERE INFERRED. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. † CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC PBTV BUT W ITHIN THEBACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGICSETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENTMIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THEASH BASIN. CONCENTRATIONS REPORTED ON FIGURE REPRESENT MOST RECENT VALIDSAMPLE RESULTS FOR EACH WELL. DATA WITH HIGH TURBIDITY (>10 NTU) ORRESULTS THAT INDICATE GROUT CONTAMINATION OF THE W ELL (PH>8.5) HAVE BEENREMOVED FROM DATASET. COLLECTION DATES DEPICTED ON FIGURE RANGE FROMFEBRUARY 2015 TO OCTOBER 2017. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON SEPTEMBER 12,2017. AERIAL WAS COLLECTED ON OCTOBER 8, 2016. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83). FIGURE 11-20ISOCONCENTRATION MAPCHLORIDE IN DEEP GROUNDWATERMARSHALL STEAM STATIONDUKE ENERGY CAROLINAS, LLCTERRELL, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: T. PLATINGCHECKED BY: B. WILKER DATE: 01/25/2018 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Marshall\Mapdocs\CSA_Supplement_2\Marshall - Isoconcentration Maps.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET &<MONITORING W ELL &<MONITORING WELL IN ASH PORE W ATER &<BACKGROUND MONITORING W ELL WATER SUPPLY W ELL ASH BASIN WASTE BOUNDARY ASH BASIN COMPLIANCE BOUNDARY LANDFILL BOUNDARY STRUCTURAL FILL BOUNDARY LANDFILL COMPLIANCE BOUNDARY DUKE ENERGY CAROLINAS MARSHALL PLANTSITE BOUNDARY <STREAM (AMEC NRTR 2015) LEGEND NOT DETECTED ABOVE REPORTING LIMITND TOTAL CHLORIDE CONCENTRATION (mg/L)1 NOT SAMPLEDNS NORTH CAROLINA 2L CONTOUR PBTV CONTOUR INTERMEDIATE CONTOUR <<<<<<<<<<<<<<<<<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &<&< ASH BASIN LAKE NORMAN ASH BASIN FGDRESIDUELANDFILL PV STRUCTURALFILL INDUSTRIALLANDFILL #1 C&DLANDFILL ASH LANDFILL(PHASE II) ASHLANDFILL(PHASE I) ASBESTOSLANDFILL ACCESS ROADSTRUCTURAL FILL 4.54.5 AB-1BR220 AB-5BR1.7 AB-9BR1.5 AB-10BR3.1 AB-12BR1.7 AB-15BR2.1 AL-1BR158 AL-2BR1.1 AL-4BR1.6 BG-1BRA3.6 BG-2BR2.3 BG-3BR2.8 GWA-1BR3.3 GWA-6D3.3 GWA-8D2.8 GWA-9BR4.2 GWA-12BR1.5 MR1†7.2 MR102.4 MR111.3 MR122.3 MR131.1 MR142.3 MR16†10.2 MR171.3 MR183.5 MR203.1 MR214.1 MR222.3 MR23†27.6 MR25†6.5 MR263 MR291.5 MR311.6 MR32†5.7 MR332.9 MR351.4 MR362.7 MR37†5.3 MR381.5 MR4†55 MR402.8 MR424.1MR431.6 MR441.6 MR45†6.2 MR471.1 MR482.5 MR6†4.7 MR82.2 MR91 MW-4D1.5 MW-14BR39.6 AL-2BRLL4.4 AL-2BRLNS MARSHALL RDBEATTY RDGREENWOOD RDSHERRILLS FORD RDNOTES:THE NORTH CAROLINA 2L FOR CHLORIDE IS 250 mg/L. PROVISIONAL BACKGROUND THRESHOLD VALUE IS 4.5 mg/L. DASHED CONTOURS WHERE INFERRED. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. † CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC PBTV BUT W ITHIN THEBACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGICSETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENTMIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THEASH BASIN. CONCENTRATIONS REPORTED ON FIGURE REPRESENT MOST RECENT VALIDSAMPLE RESULTS FOR EACH WELL. DATA WITH HIGH TURBIDITY (>10 NTU) ORRESULTS THAT INDICATE GROUT CONTAMINATION OF THE W ELL (PH>8.5) HAVE BEENREMOVED FROM DATASET. COLLECTION DATES DEPICTED ON FIGURE RANGE FROMFEBRUARY 2015 TO OCTOBER 2017. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON SEPTEMBER 12,2017. AERIAL WAS COLLECTED ON OCTOBER 8, 2016. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83). WATER SUPPLY WELL SAMPLED BY NCDEQ BETWEEN FEBRUARY 2015 AND OCTOBER2015. FIGURE 11-21ISOCONCENTRATION MAPCHLORIDE IN BEDROCK GROUNDWATERMARSHALL STEAM STATIONDUKE ENERGY CAROLINAS, LLCTERRELL, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: T. PLATINGCHECKED BY: B. WILKER DATE: 01/25/2018 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Marshall\Mapdocs\CSA_Supplement_2\Marshall - Isoconcentration Maps.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET &<MONITORING W ELL &<MONITORING WELL IN ASH PORE W ATER &<BACKGROUND MONITORING W ELL WATER SUPPLY W ELL ASH BASIN WASTE BOUNDARY ASH BASIN COMPLIANCE BOUNDARY LANDFILL BOUNDARY STRUCTURAL FILL BOUNDARY LANDFILL COMPLIANCE BOUNDARY DUKE ENERGY CAROLINAS MARSHALL PLANTSITE BOUNDARY <STREAM (AMEC NRTR 2015) LEGEND NOT DETECTED ABOVE REPORTING LIMITND TOTAL CHLORIDE CONCENTRATION (mg/L)1 NOT SAMPLEDNS NORTH CAROLINA 2L CONTOUR PBTV CONTOUR INTERMEDIATE CONTOUR <<<<<<<<<<<<<<<<<&<&< &<&< &<&<&<&<&<&< &<&< &<&< &<&< &<&< &< &<&< &<&<&<&< &<&<&<&< &<&< &<&< &<&<&<&< &<&< &<&<&<&< &<&< &<&<&<&< &<&< &<&< &<&<&<&< &<&< &<&< &<&< &<&< &<&< &<&< &<&< &<&< &<&<&<&< &<&< &<&< &<&< &<&< &<&< &<&< &<&< &<&< &<&< &<&< &<&< &<&< &<&< &<&< &<&< &<&< &<&< &<&< &<&< &<&< &<&< &<&< &< &< &< &< &< &<&< &< &< &< &< &< &< &< &< &< &< &< AB-1S0.52 B AB-2S0.14 j AB-3S0.22 j AB-5S*5.6 AB-6S*0.74 AB-7S*13.8 AB-9S2.7 AB-10S*0.27 jAB-10SL*0.21 jAB-12S*0.18 j AB-14S*0.42 j AB-15S*1.5 AB-15SL0.26 j AB-16S0.71 AB-17S*0.62 AB-18S*2.2 j AB-20S*2.9 AB-21S*2 AL-1S4.3 AL-2S6.4 AL-3S*1.2 BG-2S5.9 BG-3S†18.6 GWA-1S2.5GWA-2S2.5 GWA-3S0.47 j GWA-4S1.4 GWA-5S1.5 GWA-6S0.58 GWA-7S2.6 GWA-8S1 GWA-10S2 GWA-11S2.3 GWA-12S0.28 j GWA-13S1.2 GWA-14S1.2 GWA-15S1.5 MS-84.8 MS-92 MS-100.75 MS-112.4 MS-122 MS-130.3 j MS-140.99 MS-15†16.5 MW-14.6 MW-20.19 j MW-31.4 MW-50.56 MW-6S1.6 MW-7S52.1MW-8S0.34 j MW-11S6 OB-1 (Ash Basin)7.7 CCR-1S0.97 CCR-2S0.14 j CCR-3S0.82 CCR-4S0.2 j CCR-5S0.37 j CCR-9S22 CCR-11S1 CCR-12S1.7 CCR-13S0.24 j CCR-14S10.7 CCR-15S2.9 AB-2S0.48AB-3S0.024 j AB-4S*0.012 j AB-7S*0.98 AB-8S*0.35 AB-9S0.24 AB-10S*0.04 j,D3 AB-11S0.014 j AB-12S*0.21 AB-13S*0.016 j AB-14S*0.49 AB-15S*0.18 AB-15SL0.33 AB-16S0.89 AB-17S*0.9 P4 AB-18S*0.014 j AB-20S*0.5 AB-21S*1.1 P4 AL-1S0.16 AL-2S1.5 BG-1S3.4 BG-2S4.7 BG-3S6.4 GWA-1S0.26 GWA-2S2.6 GWA-3S0.41 GWA-4S0.9 GWA-5S0.054 GWA-6S0.22 GWA-7S0.078 GWA-8S0.75 GWA-10S1.4 GWA-11S0.21 GWA-12S0.58 GWA-13S0.53 GWA-14S0.22 GWA-15S0.15 MS-83 MS-91.5 MS-100.68 MS-112.1 MS-120.88 MS-130.18 MS-140.25 MS-15†17 MW-14.3 MW-20.11 MW-31.2 MW-50.19 MW-6S0.089 MW-8S0.066 MW-9S0.35 OB-1 (Ash Basin)2 AB-4S*NDAB-4SL*ND AB-8S*ND AB-11SND AB-12SL*ND AB-13S*ND BG-1SND MW-4ND MW-9SND MW-10SND MW-12SND MW-13SND MW-14SND AB-1SND AB-4SL*ND AB-5S*ND AB-6S*ND AB-10SL*ND AB-12SL*ND AL-3S*ND MW-7SND MW-4NS MW-10SNS MW-11SNS MW-12SNS MW-13SNS MW-14SNS CCR-1SNS CCR-2SNS CCR-3SNS CCR-4SNS CCR-5SNS CCR-9SNS CCR-11SNS CCR-12SNS CCR-13SNS CCR-14SNS CCR-15SNS ASH BASIN LAKE NORMAN ASH BASIN FGDRESIDUELANDFILL PV STRUCTURALFILL INDUSTRIALLANDFILL #1 C&DLANDFILL ASH LANDFILL(PHASE II) ASHLANDFILL(PHASE I) ASBESTOSLANDFILL ACCESS ROADSTRUCTURAL FILL 1 6 .5 MARSHALL RDBEATTY RDGREENWOOD RD S H E R R IL L S F O R D R D NOTES:THE NORTH CAROLINA 2L FOR CHROMIUM IS 10 μg/L. PROVISIONAL BACKGROUND THRESHOLD VALUE IS 16.5 µg/L. DASHED CONTOUR WHERE INFERRED. * ASH PORE WATER DATA USED TO INFER GROUNDWATER CONCENTRATIONS IN THEABSENCE OF SHALLOW FLOW ZONE DATA. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. † CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC PBTV BUT W ITHIN THEBACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGICSETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENTMIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THEASH BASIN. CONCENTRATIONS REPORTED ON FIGURE REPRESENT MOST RECENT VALIDSAMPLE RESULTS FOR EACH WELL. DATA WITH HIGH TURBIDITY (>10 NTU) ORRESULTS THAT INDICATE GROUT CONTAMINATION OF THE W ELL (PH>9) HAVE BEENREMOVED FROM DATASET. COLLECTION DATES DEPICTED ON FIGURE RANGE FROMFEBRUARY 2015 TO SEPTEMBER 2017. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON SEPTEMBER 12,2017. AERIAL WAS COLLECTED ON OCTOBER 8, 2016. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83). FIGURE 11-22ISOCONCENTRATION MAPCHROMIUM (VI) AND CHROMIUM (TOTAL) IN SHALLOWGROUNDWATERMARSHALL STEAM STATIONDUKE ENERGY CAROLINAS, LLCTERRELL, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: T. PLATINGCHECKED BY: B. WILKER DATE: 01/25/2018 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Marshall\Mapdocs\CSA_Supplement_2\Marshall - Isoconcentration Maps_Chromium.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET &<MONITORING W ELL &<MONITORING WELL IN ASH PORE W ATER &<BACKGROUND MONITORING W ELL WATER SUPPLY W ELL ASH BASIN WASTE BOUNDARY LANDFILL BOUNDARY STRUCTURAL FILL BOUNDARY LANDFILL COMPLIANCE BOUNDARY DUKE ENERGY CAROLINAS MARSHALL PLANTSITE BOUNDARY <STREAM (AMEC NRTR 2015) LEGEND TOTAL CHROMIUM NOT SAMPLEDNS CHROMIUM (VI) NOT SAMPLEDNS TOTAL CHROMIUM CONCENTRATION (μg/L)1 CHROMIUM (VI) CONCENTRATION (µg/L)1 CHROMIUM (VI) NOT DETECTED ABOVEREPORTING LIMITND TOTAL CHROMIUM NOT DETECTED ABOVEREPORTING LIMITND NORTH CAROLINA 2L CONTOURPBTV CONTOUR INTERMEDIATE CONTOUR <<<<<<<<<<<<<<<<<&<&< &<&<&<&<&<&< &<&< &<&<&<&< &<&< &<&< &<&< &<&<&<&< &<&< &<&< &<&< &<&< &<&< &<&< &<&< &<&< &<&< &<&< &<&< &<&< &<&< &<&< &<&< &<&< &<&< &<&< &<&< &<&< &<&< &<&< &<&< &<&< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< AB-1D0.71 B AB-2D0.6 AB-6D0.65 AB-7D0.63 AB-10D0.3 j AB-12D8.8 AB-13D0.96 AB-14D2.3 AB-16D0.32 j AB-17D1.2 AL-1D1.6 AL-2D5.8 AL-3D3.5 AL-4D2 BG-1D2.1 GWA-1D0.75 GWA-3D0.53 GWA-4D0.15 j GWA-5D0.59 GWA-7D4.9 GWA-10D0.1 j GWA-11D2.8 GWA-14D1.3 MS-163.4 MW-6D0.36 j MW-8D0.16 j MW-11D†9 CCR-1D0.11 j CCR-2D1.1 CCR-3D0.14 j CCR-4D0.81 CCR-5D0.39 j CCR-9DA2.6CCR-11D3.4 CCR-12D1 CCR-13D0.21 j CCR-14D0.84 CCR-15D2.8 CCR-16D0.61 AB-1D0.024 j AB-2D0.24 AB-3D0.036 AB-4D0.02 j AB-7D0.85 AB-8D0.012 j AB-10D0.21 AB-11D0.083 AB-12D0.23 AB-13D0.018 j AB-14D1.9 AB-16D0.014 j AB-17D1.2 AB-18D0.14 AL-1D0.021 j AL-2D0.19 AL-3D0.098 M1 AL-4D1.1 BG-1D1.4 GWA-3D0.34 GWA-4D0.023 j GWA-5D0.46 GWA-7D5.7 GWA-11D1.9 GWA-14D0.46 MS-162.6 MW-6D0.073 MW-7D0.052 j,D3MW-8D0.021 j MW-9D0.059 M1 AB-3DND AB-4DND AB-5DND AB-8DND AB-9DND AB-11DND AB-18DND AB-21DND MW-7DND MW-9DND MW-10DND MW-12DND MW-13DND MW-14DND AB-5DND AB-6DND AB-9DND AB-21DND GWA-1DND GWA-10DND MW-10DNS MW-11DNS MW-12DNS MW-13DNS MW-14DNS CCR-1DNS CCR-2DNS CCR-3DNS CCR-4DNS CCR-5DNS CCR-9DANSCCR-11DNS CCR-12DNS CCR-13DNS CCR-14DNS CCR-15DNS CCR-16DNS BG-3D6 BG-3D4.7 ASH BASIN LAKE NORMAN ASH BASIN FGDRESIDUELANDFILL PV STRUCTURALFILL INDUSTRIALLANDFILL #1 C&DLANDFILL ASH LANDFILL(PHASE II) ASHLANDFILL(PHASE I) ASBESTOSLANDFILL ACCESS ROADSTRUCTURAL FILL 7.6MARSHALL RDBEATTY RDGREENWOOD RD S H E R R IL L S F O R D R D NOTES:THE NORTH CAROLINA 2L FOR CHROMIUM IS 10 μg/L. PROVISIONAL BACKGROUND THRESHOLD VALUE IS 7.6 µg/L. DASHED CONTOUR WHERE INFERRED. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. † CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC PBTV BUT W ITHIN THEBACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGICSETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENTMIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THEASH BASIN. CONCENTRATIONS REPORTED ON FIGURE REPRESENT MOST RECENT VALIDSAMPLE RESULTS FOR EACH WELL. DATA WITH HIGH TURBIDITY (>10 NTU) ORRESULTS THAT INDICATE GROUT CONTAMINATION OF THE W ELL (PH>9) HAVE BEENREMOVED FROM DATASET. COLLECTION DATES DEPICTED ON FIGURE RANGE FROMFEBRUARY 2015 TO SEPTEMBER 2017. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON SEPTEMBER 12,2017. AERIAL WAS COLLECTED ON OCTOBER 8, 2016. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83). FIGURE 11-23ISOCONCENTRATION MAPCHROMIUM (VI) AND CHROMIUM (TOTAL) IN DEEPGROUNDWATERMARSHALL STEAM STATIONDUKE ENERGY CAROLINAS, LLCTERRELL, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: T. PLATINGCHECKED BY: B. WILKER DATE: 01/25/2018 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Marshall\Mapdocs\CSA_Supplement_2\Marshall - Isoconcentration Maps_Chromium.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET &<MONITORING W ELL &<MONITORING WELL IN ASH PORE W ATER &<BACKGROUND MONITORING W ELL WATER SUPPLY W ELL ASH BASIN WASTE BOUNDARY LANDFILL BOUNDARY STRUCTURAL FILL BOUNDARY LANDFILL COMPLIANCE BOUNDARY DUKE ENERGY CAROLINAS MARSHALL PLANTSITE BOUNDARY <STREAM (AMEC NRTR 2015) LEGEND TOTAL CHROMIUM NOT SAMPLEDNS CHROMIUM (VI) NOT SAMPLEDNS TOTAL CHROMIUM CONCENTRATION (μg/L)1 CHROMIUM (VI) CONCENTRATION (µg/L)1 CHROMIUM (VI) NOT DETECTED ABOVEREPORTING LIMITND TOTAL CHROMIUM NOT DETECTED ABOVEREPORTING LIMITND NORTH CAROLINA 2L CONTOURPBTV CONTOUR INTERMEDIATE CONTOUR <<<<<<<<<<<<<<<<<&<&< &<&< &<&< &<&< &<&< &< &<&< &<&< &<&< &<&< &<&< &<&< &<&< &<&< &<&< &<&< &<&< &<&< &<&< &<&<&<&< AB-1BR0.74 B AB-10BR0.16 j AB-15BR0.12 j AL-1BR2.6 AL-2BR3.4 AL-4BR4.6 BG-1BRA1.8 BG-2BR7.9 BG-3BR†24.2 GWA-1BR3.4 GWA-6D0.6 GWA-8D0.63 B GWA-9BR0.9 MR100.99 MR110.87 MR130.56 MR140.82 MR200.96 MR220.91 MR231.5 MR251.1 MR261.4 MR292.9 MR311.5 MR320.88 MR331 MR372.8 MR381.7 MR400.56 MR420.96 MR434.8 MR441.2 MR451 MR471.6 MR481.4 MR61 MR80.81 MR90.92 MW-14BR0.39 j AB-15BR0.028 AL-1BR0.05 AL-2BR0.66 AL-4BR0.44 BG-1BRA1.5 BG-2BR6.7 BG-3BR1.9 GWA-1BR2.6 GWA-6D0.48 GWA-8D0.32 GWA-9BR0.62 GWA-12BR0.018 j MR100.43 MR110.52 MR130.18 MR140.65 MR170.25 MR180.037 MR200.43 MR210.15 MR220.56 MR231.1 MR250.96 MR261.2 MR291.5 MR311.4 MR320.41 MR330.9 MR372.7 MR381.3 MR400.5 MR420.63 MR432.4 MR440.54 MR450.73 MR471.3 MR480.98 MR60.83 MR80.56 MR90.68 MW-14BR0.25 AB-5BRND AB-9BRND AB-12BRND GWA-12BRND MR1ND MR12ND MR16ND MR17ND MR18ND MR21NDMR35ND MR36ND MR4ND MW-4DND AB-1BRND AB-5BRND AB-9BRND AB-10BRND AB-12BRND MR1ND MR12ND MR16NDMR35ND MR36ND MR4ND MW-4DNS AL-2BRLNS AL-2BRLNS AL-2BRLL0.85 AL-2BRLLND ASH BASIN LAKE NORMAN ASH BASIN FGDRESIDUELANDFILL PV STRUCTURALFILL INDUSTRIALLANDFILL #1 C&DLANDFILL ASH LANDFILL(PHASE II) ASHLANDFILL(PHASE I) ASBESTOSLANDFILL ACCESS ROADSTRUCTURAL FILL GREENWOOD RD MARSHALL RDBEATTY RDSHERRI LLS FORD RDNOTES:THE NORTH CAROLINA 2L FOR CHROMIUM IS 10 μg/L. PROVISIONAL BACKGROUND THRESHOLD VALUE IS 8.3 µg/L. DASHED CONTOUR WHERE INFERRED. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. † CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC PBTV BUT W ITHIN THEBACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGICSETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENTMIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THEASH BASIN. CONCENTRATIONS REPORTED ON FIGURE REPRESENT MOST RECENT VALIDSAMPLE RESULTS FOR EACH WELL. DATA WITH HIGH TURBIDITY (>10 NTU) ORRESULTS THAT INDICATE GROUT CONTAMINATION OF THE W ELL (PH>9) HAVE BEENREMOVED FROM DATASET. COLLECTION DATES DEPICTED ON FIGURE RANGE FROMFEBRUARY 2015 TO SEPTEMBER 2017. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON SEPTEMBER 12,2017. AERIAL WAS COLLECTED ON OCTOBER 8, 2016. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83). WATER SUPPLY WELL SAMPLED BY NCDEQ BETWEEN FEBRUARY 2015 AND OCTOBER2015. FIGURE 11-24ISOCONCENTRATION MAPCHROMIUM (VI) AND CHROMIUM (TOTAL) IN BEDROCKGROUNDWATERMARSHALL STEAM STATIONDUKE ENERGY CAROLINAS, LLCTERRELL, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: T. PLATINGCHECKED BY: B. WILKER DATE: 01/25/2018 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Marshall\Mapdocs\CSA_Supplement_2\Marshall - Isoconcentration Maps_Chromium.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET &<MONITORING W ELL &<MONITORING WELL IN ASH PORE W ATER &<BACKGROUND MONITORING W ELL WATER SUPPLY W ELL ASH BASIN WASTE BOUNDARY LANDFILL BOUNDARY STRUCTURAL FILL BOUNDARY LANDFILL COMPLIANCE BOUNDARY DUKE ENERGY CAROLINAS MARSHALL PLANTSITE BOUNDARY <STREAM (AMEC NRTR 2015) LEGEND TOTAL CHROMIUM NOT SAMPLEDNS CHROMIUM (VI) NOT SAMPLEDNS TOTAL CHROMIUM CONCENTRATION (μg/L)1 CHROMIUM (VI) CONCENTRATION (µg/L)1 CHROMIUM (VI) NOT DETECTED ABOVEREPORTING LIMITND TOTAL CHROMIUM NOT DETECTED ABOVEREPORTING LIMITND NORTH CAROLINA 2L CONTOURPBTV CONTOUR INTERMEDIATE CONTOUR <<<<<<<<<<<<<<<<<&< &< &<&<&< &< &< &< &< &< &< &<&< &<&< &< &< &<&< &< &<&< &< &<&< &< &< &<&< &< &< &< &< &< &< &< &< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< ASH BASIN LAKE NORMAN ASH BASIN FGDRESIDUELANDFILL PV STRUCTURALFILL INDUSTRIALLANDFILL #1 C&DLANDFILL ASH LANDFILL(PHASE II) ASHLANDFILL(PHASE I) ASBESTOSLANDFILL ACCESS ROADSTRUCTURAL FILL 1.21.2 AB-1S31 AB-2S16.1 AB-3S16.8 AB-4S*0.47 AB-4SL*0.37 j AB-5S*36.4 AB-6S*0.61 AB-7S*6.1 AB-8S*10.8 AB-9S1.6 AB-10S*1.7 AB-10SL*2.2 AB-11S0.73 AB-12S*0.18 AB-13S*5.4AB-14S*0.092 j AB-15S*1.6 AB-15SL4.4 AB-16S6 AB-17S*0.47 AB-18S*0.2 j AB-20S*568 AB-21S*2.3 AL-1S5.7 AL-2S0.27 AL-3S*0.21 BG-2S0.089 j BG-3S0.72 GWA-1S1.1GWA-2S0.2 GWA-3S0.018 j GWA-4S0.14 GWA-5S0.21 GWA-6S0.11 GWA-7S4.9 GWA-8S0.057 j GWA-10S0.2 GWA-11S0.35 GWA-12S0.66 GWA-13S0.31 GWA-14S†1.3 GWA-15S1.9 MS-80.18 MS-90.05 j MS-100.52 MS-110.16 MS-12†1.2 MS-130.032 j MS-140.027 j MW-10.062 j MW-20.085 j MW-38.5 MW-53.9 MW-6S55.8 MW-7S50.9 MW-8S1.2 MW-9S0.078 j MW-14S4.86 OB-1 (Ash Basin)0.095 j CCR-1S3.5 CCR-2S7.5 CCR-3S0.24 CCR-4S90.1 CCR-5S0.84 CCR-9S129 CCR-11S90.8 CCR-12S86.7 CCR-13S18.8 CCR-14S10.7 CCR-15S0.2 AB-12SL*ND BG-1SND MS-15ND MW-4ND MW-10SND MW-11SND MW-12SND MW-13SND MARSHALL RDBEATTY RDGREENWOOD RD S H E R R IL L S F O R D R D NOTES:THE INTERIM MAXIMUM ALLOWABLE CONCENTRATION (IMAC) FOR COBALT IS 1 μg/L. PROVISIONAL BACKGROUND THRESHOLD VALUE IS 1.2 µg/L. DASHED CONTOURS WHERE INFERRED. * ASH PORE WATER DATA USED TO INFER GROUNDWATER CONCENTRATIONS IN THEABSENCE OF SHALLOW FLOW ZONE DATA. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. † CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC PBTV BUT W ITHIN THEBACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGICSETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENTMIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THEASH BASIN. CONCENTRATIONS REPORTED ON FIGURE REPRESENT MOST RECENT VALIDSAMPLE RESULTS FOR EACH WELL. DATA WITH HIGH TURBIDITY (>10 NTU) ORRESULTS THAT INDICATE GROUT CONTAMINATION OF THE W ELL (PH>8.5) HAVE BEENREMOVED FROM DATASET. COLLECTION DATES DEPICTED ON FIGURE RANGE FROMFEBRUARY 2015 TO OCTOBER 2017. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON SEPTEMBER 12,2017. AERIAL WAS COLLECTED ON OCTOBER 8, 2016. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83). FIGURE 11-25ISOCONCENTRATION MAPCOBALT IN SHALLOW GROUNDWATERMARSHALL STEAM STATIONDUKE ENERGY CAROLINAS, LLCTERRELL, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: T. PLATINGCHECKED BY: B. WILKER DATE: 01/25/2018 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Marshall\Mapdocs\CSA_Supplement_2\Marshall - Isoconcentration Maps.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET &<MONITORING W ELL &<MONITORING WELL IN ASH PORE W ATER &<BACKGROUND MONITORING W ELL WATER SUPPLY W ELL ASH BASIN WASTE BOUNDARY ASH BASIN COMPLIANCE BOUNDARY LANDFILL BOUNDARY STRUCTURAL FILL BOUNDARY LANDFILL COMPLIANCE BOUNDARY DUKE ENERGY CAROLINAS MARSHALL PLANTSITE BOUNDARY <STREAM (AMEC NRTR 2015) LEGEND NOT DETECTED ABOVE REPORTING LIMITND TOTAL COBALT CONCENTRATION (μg/L)1 NOT SAMPLEDNS IMAC CONTOUR PBTV CONTOUR INTERMEDIATE CONTOUR <<<<<<<<<<<<<<<<<&< &<&<&< &< &<&< &< &< &< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< ASH BASIN LAKE NORMAN ASH BASIN FGDRESIDUELANDFILL PV STRUCTURALFILL INDUSTRIALLANDFILL #1 C&DLANDFILL ASH LANDFILL(PHASE II) ASHLANDFILL(PHASE I) ASBESTOSLANDFILL ACCESS ROADSTRUCTURAL FILL 1 .9 AB-1D7.9 AB-2D0.52 AB-3D0.075 j AB-4D0.38 AB-5D4 AB-6D1.5 AB-7D0.23 AB-8D0.15 AB-9D3.8 AB-10D9.6 AB-11D0.061 j AB-12D0.1 AB-13D2.1 AB-14D0.059 j AB-16D0.43 AB-17D0.33 AB-18D0.15 AB-21D1.3 AL-1D0.26 AL-2D4 AL-3D0.63 AL-4D0.36 BG-1D0.6 BG-3D0.12 GWA-1D0.54 GWA-3D0.88 GWA-4D0.089 j GWA-7D0.12 GWA-10D0.25 GWA-11D0.12 GWA-14D0.34 MS-160.12 MW-6D0.13 MW-7D0.018 j MW-8D0.35 MW-9D1.2 MW-14D1.95 CCR-1D0.02 j CCR-2D0.054 j CCR-4D1.8 CCR-5D0.47 CCR-9DA0.32 CCR-11D4.4 CCR-12D0.13 CCR-13D0.028 j CCR-14D0.069 j CCR-15D0.054 j CCR-16D0.031 j GWA-5DND MW-10DND MW-11DND MW-12DND MW-13DND CCR-3DND MARSHALL RDBEATTY RDGREENWOOD RD S H E R R IL L S F O R D R D NOTES:THE INTERIM MAXIMUM ALLOWABLE CONCENTRATION (IMAC) FOR COBALT IS 1 μg/L. PROVISIONAL BACKGROUND THRESHOLD VALUE IS 1.9 µg/L. DASHED CONTOURS WHERE INFERRED. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. † CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC PBTV BUT W ITHIN THEBACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGICSETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENTMIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THEASH BASIN. CONCENTRATIONS REPORTED ON FIGURE REPRESENT MOST RECENT VALIDSAMPLE RESULTS FOR EACH WELL. DATA WITH HIGH TURBIDITY (>10 NTU) ORRESULTS THAT INDICATE GROUT CONTAMINATION OF THE W ELL (PH>8.5) HAVE BEENREMOVED FROM DATASET. COLLECTION DATES DEPICTED ON FIGURE RANGE FROMFEBRUARY 2015 TO OCTOBER 2017. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON SEPTEMBER 12,2017. AERIAL WAS COLLECTED ON OCTOBER 8, 2016. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83). FIGURE 11-26ISOCONCENTRATION MAPCOBALT IN DEEP GROUNDWATERMARSHALL STEAM STATIONDUKE ENERGY CAROLINAS, LLCTERRELL, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: T. PLATINGCHECKED BY: B. WILKER DATE: 01/25/2018 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Marshall\Mapdocs\CSA_Supplement_2\Marshall - Isoconcentration Maps.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET &<MONITORING W ELL &<MONITORING WELL IN ASH PORE W ATER &<BACKGROUND MONITORING W ELL WATER SUPPLY W ELL ASH BASIN WASTE BOUNDARY ASH BASIN COMPLIANCE BOUNDARY LANDFILL BOUNDARY STRUCTURAL FILL BOUNDARY LANDFILL COMPLIANCE BOUNDARY DUKE ENERGY CAROLINAS MARSHALL PLANTSITE BOUNDARY <STREAM (AMEC NRTR 2015) LEGEND NOT DETECTED ABOVE REPORTING LIMITND TOTAL COBALT CONCENTRATION (μg/L)1 NOT SAMPLEDNS IMAC CONTOUR PBTV CONTOUR INTERMEDIATE CONTOUR <<<<<<<<<<<<<<<<<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &<&< ASH BASIN LAKE NORMAN ASH BASIN FGDRESIDUELANDFILL PV STRUCTURALFILL INDUSTRIALLANDFILL #1 C&DLANDFILL ASH LANDFILL(PHASE II) ASHLANDFILL(PHASE I) ASBESTOSLANDFILL ACCESS ROADSTRUCTURAL FILL AB-1BR1.3 AB-5BR0.98 AB-9BR0.16 AB-10BR0.1 AB-12BR0.049 j AB-15BR0.018 j AL-1BR0.057 j AL-2BR1.1 AL-4BR0.16 BG-1BRA0.19 BG-2BR0.31 BG-3BR0.95 GWA-1BR0.98 GWA-6D0.26 GWA-8D0.069 j GWA-9BR0.019 j GWA-12BR1.5 MR210.75 MR40.36 MW-14BR0.05 j AL-2BRLL0.14 B MR1ND MR10ND MR11ND MR12ND MR13ND MR14ND MR16ND MR17ND MR18ND MR20ND MR22ND MR23ND MR25ND MR26ND MR29ND MR31ND MR32ND MR33ND MR35ND MR36ND MR37NDMR38ND MR40ND MR42NDMR43ND MR44ND MR45ND MR47ND MR48ND MR6ND MR8ND MR9ND MW-4DND AL-2BRLNS MARSHALL RDBEATTY RDGREENWOOD RDSHERRILLS FORD RDNOTES:THE INTERIM MAXIMUM ALLOWABLE CONCENTRATION (IMAC) FOR COBALT IS 1 μg/L. PROVISIONAL BACKGROUND THRESHOLD VALUE IS 2.8 µg/L. DASHED CONTOURS WHERE INFERRED. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. † CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC PBTV BUT W ITHIN THEBACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGICSETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENTMIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THEASH BASIN. CONCENTRATIONS REPORTED ON FIGURE REPRESENT MOST RECENT VALIDSAMPLE RESULTS FOR EACH WELL. DATA WITH HIGH TURBIDITY (>10 NTU) ORRESULTS THAT INDICATE GROUT CONTAMINATION OF THE W ELL (PH>8.5) HAVE BEENREMOVED FROM DATASET. COLLECTION DATES DEPICTED ON FIGURE RANGE FROMFEBRUARY 2015 TO OCTOBER 2017. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON SEPTEMBER 12,2017. AERIAL WAS COLLECTED ON OCTOBER 8, 2016. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83). WATER SUPPLY WELL SAMPLED BY NCDEQ BETWEEN FEBRUARY 2015 AND OCTOBER2015. FIGURE 11-27ISOCONCENTRATION MAPCOBALT IN BEDROCK GROUNDWATERMARSHALL STEAM STATIONDUKE ENERGY CAROLINAS, LLCTERRELL, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: T. PLATINGCHECKED BY: B. WILKER DATE: 01/25/2018 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Marshall\Mapdocs\CSA_Supplement_2\Marshall - Isoconcentration Maps.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET &<MONITORING W ELL &<MONITORING WELL IN ASH PORE W ATER &<BACKGROUND MONITORING W ELL WATER SUPPLY W ELL ASH BASIN WASTE BOUNDARY ASH BASIN COMPLIANCE BOUNDARY LANDFILL BOUNDARY STRUCTURAL FILL BOUNDARY LANDFILL COMPLIANCE BOUNDARY DUKE ENERGY CAROLINAS MARSHALL PLANTSITE BOUNDARY <STREAM (AMEC NRTR 2015) LEGEND NOT DETECTED ABOVE REPORTING LIMITND TOTAL COBALT CONCENTRATION (μg/L)1 NOT SAMPLEDNS IMAC CONTOUR PBTV CONTOUR INTERMEDIATE CONTOUR <<<<<<<<<<<<<<<<<&< &< &<&<&< &< &< &< &< &< &< &<&< &<&< &< &< &<&< &< &<&< &< &<&< &< &< &<&< &< &< &< &< &< &< &< &< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< ASH BASIN LAKE NORMAN ASH BASIN FGDRESIDUELANDFILL PV STRUCTURALFILL INDUSTRIALLANDFILL #1 C&DLANDFILL ASH LANDFILL(PHASE II) ASHLANDFILL(PHASE I) ASBESTOSLANDFILL ACCESS ROADSTRUCTURAL FILL 744AB-1S2800 AB-2S1480 AB-3S4750 AB-4S*39.5 j AB-4SL*70.2 AB-5S*272000 AB-6S*5900 AB-7S*596 AB-8S*19300 AB-9S131 AB-10S*9040 AB-10SL*272 AB-11S79.9 AB-12S*13500 AB-12SL*8460 AB-13S*3930 AB-14S*47200 AB-15S*13200 AB-15SL12200 AB-16S55300 AB-17S*136000 AB-18S*4050 AB-20S*235 AB-21S*395000 AL-1S261 AL-2S237 AL-3S*159 BG-1S383 BG-2S183 BG-3S732 GWA-1S163GWA-2S35.2 j GWA-3S53.9 GWA-4S517 GWA-5S216 GWA-6S305 GWA-7S2600 GWA-8S252 GWA-10S299 GWA-11S496 GWA-12S47.4 j GWA-13S57.6 GWA-14S†1190 GWA-15S192 MS-8486 MS-928.1 j MS-1041.7 j MS-11160 MS-1326.5 j MW-266.6 MW-390.4 MW-4100 MW-5276 MW-6S133 MW-7S169MW-8S845 MW-10S22 MW-11S27 MW-12S19 MW-13S363 MW-14S389 OB-1 (Ash Basin)34.6 j MS-12ND MS-14ND MS-15ND MW-1ND MW-9SND MARSHALL RDBEATTY RDGREENWOOD RD S H E R R IL L S F O R D R D NOTES:THE NORTH CAROLINA 2L FOR IRON IS 300 μg/L. PROVISIONAL BACKGROUND THRESHOLD VALUE IS 744 µg/L. DASHED CONTOURS WHERE INFERRED. * ASH PORE WATER DATA USED TO INFER GROUNDWATER CONCENTRATIONS IN THEABSENCE OF SHALLOW FLOW ZONE DATA. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. † CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC PBTV BUT W ITHIN THEBACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGICSETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENTMIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THEASH BASIN. CONCENTRATIONS REPORTED ON FIGURE REPRESENT MOST RECENT VALIDSAMPLE RESULTS FOR EACH WELL. DATA WITH HIGH TURBIDITY (>10 NTU) ORRESULTS THAT INDICATE GROUT CONTAMINATION OF THE W ELL (PH>8.5) HAVE BEENREMOVED FROM DATASET. COLLECTION DATES DEPICTED ON FIGURE RANGE FROMFEBRUARY 2015 TO OCTOBER 2017. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON SEPTEMBER 12,2017. AERIAL WAS COLLECTED ON OCTOBER 8, 2016. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83). FIGURE 11-28ISOCONCENTRATION MAPIRON IN SHALLOW GROUNDWATERMARSHALL STEAM STATIONDUKE ENERGY CAROLINAS, LLCTERRELL, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: T. PLATINGCHECKED BY: B. WILKER DATE: 01/25/2018 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Marshall\Mapdocs\CSA_Supplement_2\Marshall - Isoconcentration Maps.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET &<MONITORING W ELL &<MONITORING WELL IN ASH PORE W ATER &<BACKGROUND MONITORING W ELL WATER SUPPLY W ELL ASH BASIN WASTE BOUNDARY ASH BASIN COMPLIANCE BOUNDARY LANDFILL BOUNDARY STRUCTURAL FILL BOUNDARY LANDFILL COMPLIANCE BOUNDARY DUKE ENERGY CAROLINAS MARSHALL PLANTSITE BOUNDARY <STREAM (AMEC NRTR 2015) LEGEND NOT DETECTED ABOVE REPORTING LIMITND TOTAL IRON CONCENTRATION (μg/L)1 NOT SAMPLEDNS NORTH CAROLINA 2L CONTOUR PBTV CONTOUR INTERMEDIATE CONTOUR <<<<<<<<<<<<<<<<<&< &<&<&< &< &<&< &< &< &< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< ASH BASIN LAKE NORMAN ASH BASIN FGDRESIDUELANDFILL PV STRUCTURALFILL INDUSTRIALLANDFILL #1 C&DLANDFILL ASH LANDFILL(PHASE II) ASHLANDFILL(PHASE I) ASBESTOSLANDFILL ACCESS ROADSTRUCTURAL FILL 272 272AB-1D441 AB-2D162 AB-4D1740 AB-5D762 AB-6D6070 AB-7D25.9 j AB-8D78.4 AB-9D1100 AB-10D3750 AB-11D55.1 AB-12D129 AB-13D891 AB-14D51 AB-16D2080 AB-17D49.4 j AB-18D53.1 AB-21D1090 AL-1D76.1 AL-2D394 AL-3D444 AL-4D144 BG-3D59.8 GWA-1D630 GWA-3D135 GWA-4D44.1 j GWA-7D38.5 j GWA-10D592 GWA-11D98 GWA-14D144 MS-16282 MW-6D146 MW-7D884 MW-8D863 MW-10D31 MW-11D79 MW-12D44 MW-14D34 AB-3DND BG-1DND GWA-5DND MW-9DND MW-13DND MARSHALL RDBEATTY RDGREENWOOD RD S H E R R IL L S F O R D R D NOTES:THE NORTH CAROLINA 2L FOR IRON IS 300 μg/L. PROVISIONAL BACKGROUND THRESHOLD VALUE IS 272 µg/L. DASHED CONTOURS WHERE INFERRED. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. † CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC PBTV BUT W ITHIN THEBACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGICSETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENTMIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THEASH BASIN. CONCENTRATIONS REPORTED ON FIGURE REPRESENT MOST RECENT VALIDSAMPLE RESULTS FOR EACH WELL. DATA WITH HIGH TURBIDITY (>10 NTU) ORRESULTS THAT INDICATE GROUT CONTAMINATION OF THE W ELL (PH>8.5) HAVE BEENREMOVED FROM DATASET. COLLECTION DATES DEPICTED ON FIGURE RANGE FROMFEBRUARY 2015 TO OCTOBER 2017. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON SEPTEMBER 12,2017. AERIAL WAS COLLECTED ON OCTOBER 8, 2016. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83). FIGURE 11-29ISOCONCENTRATION MAPIRON IN DEEP GROUNDWATERMARSHALL STEAM STATIONDUKE ENERGY CAROLINAS, LLCTERRELL, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: T. PLATINGCHECKED BY: B. WILKER DATE: 01/25/2018 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Marshall\Mapdocs\CSA_Supplement_2\Marshall - Isoconcentration Maps.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET &<MONITORING W ELL &<MONITORING WELL IN ASH PORE W ATER &<BACKGROUND MONITORING W ELL WATER SUPPLY W ELL ASH BASIN WASTE BOUNDARY ASH BASIN COMPLIANCE BOUNDARY LANDFILL BOUNDARY STRUCTURAL FILL BOUNDARY LANDFILL COMPLIANCE BOUNDARY DUKE ENERGY CAROLINAS MARSHALL PLANTSITE BOUNDARY <STREAM (AMEC NRTR 2015) LEGEND NOT DETECTED ABOVE REPORTING LIMITND TOTAL IRON CONCENTRATION (μg/L)1 NOT SAMPLEDNS NORTH CAROLINA 2L CONTOUR PBTV CONTOUR INTERMEDIATE CONTOUR <<<<<<<<<<<<<<<<<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &<&< ASH BASIN LAKE NORMAN ASH BASIN FGDRESIDUELANDFILL PV STRUCTURALFILL INDUSTRIALLANDFILL #1 C&DLANDFILL ASH LANDFILL(PHASE II) ASHLANDFILL(PHASE I) ASBESTOSLANDFILL ACCESS ROADSTRUCTURAL FILL 792 7 9 2792AB-1BR6240 AB-5BR202 AB-9BR711 AB-10BR311 AB-12BR117 AB-15BR2130 AL-1BR50.8 AL-2BR125 AL-4BR54.9 BG-1BRA41.2 j BG-2BR198 BG-3BR382 GWA-1BR52.5 GWA-8D94.9 GWA-9BR30.4 j GWA-12BR400 MR128 MR10260 MR12330 MR16718 MR32428 MR3565.4 MR36105 MR4†1200 MR43190 MR44327 MW-14BR69.8 AL-2BRLL1370 GWA-6DND MR11ND MR13ND MR14ND MR17ND MR18ND MR20ND MR21ND MR22ND MR23ND MR25ND MR26ND MR29ND MR31ND MR33ND MR37NDMR38ND MR40ND MR42ND MR45ND MR47ND MR48ND MR6ND MR8ND MR9ND MW-4DND AL-2BRLNS MARSHALL RDBEATTY RDGREENWOOD RDSHERRILLS FORD RDNOTES:THE NORTH CAROLINA 2L FOR IRON IS 300 μg/L. PROVISIONAL BACKGROUND THRESHOLD VALUE IS 792 µg/L. DASHED CONTOURS WHERE INFERRED. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. † CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC PBTV BUT W ITHIN THEBACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGICSETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENTMIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THEASH BASIN. CONCENTRATIONS REPORTED ON FIGURE REPRESENT MOST RECENT VALIDSAMPLE RESULTS FOR EACH WELL. DATA WITH HIGH TURBIDITY (>10 NTU) ORRESULTS THAT INDICATE GROUT CONTAMINATION OF THE W ELL (PH>8.5) HAVE BEENREMOVED FROM DATASET. COLLECTION DATES DEPICTED ON FIGURE RANGE FROMFEBRUARY 2015 TO OCTOBER 2017. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON SEPTEMBER 12,2017. AERIAL WAS COLLECTED ON OCTOBER 8, 2016. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83). WATER SUPPLY WELL SAMPLED BY NCDEQ BETWEEN FEBRUARY 2015 AND OCTOBER2015. FIGURE 11-30ISOCONCENTRATION MAPIRON IN BEDROCK GROUNDWATERMARSHALL STEAM STATIONDUKE ENERGY CAROLINAS, LLCTERRELL, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: T. PLATINGCHECKED BY: B. WILKER DATE: 01/25/2018 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Marshall\Mapdocs\CSA_Supplement_2\Marshall - Isoconcentration Maps.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET &<MONITORING W ELL &<MONITORING WELL IN ASH PORE W ATER &<BACKGROUND MONITORING W ELL WATER SUPPLY W ELL ASH BASIN WASTE BOUNDARY ASH BASIN COMPLIANCE BOUNDARY LANDFILL BOUNDARY STRUCTURAL FILL BOUNDARY LANDFILL COMPLIANCE BOUNDARY DUKE ENERGY CAROLINAS MARSHALL PLANTSITE BOUNDARY <STREAM (AMEC NRTR 2015) LEGEND NOT DETECTED ABOVE REPORTING LIMITND TOTAL IRON CONCENTRATION (μg/L)1 NOT SAMPLEDNS NORTH CAROLINA 2L CONTOUR PBTV CONTOUR INTERMEDIATE CONTOUR <<<<<<<<<<<<<<<<<&< &< &<&<&< &< &< &< &< &< &< &<&< &<&< &< &< &<&< &< &<&< &< &<&< &< &< &<&< &< &< &< &< &< &< &< &< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< ASH BASIN LAKE NORMAN ASH BASIN FGDRESIDUELANDFILL PV STRUCTURALFILL INDUSTRIALLANDFILL #1 C&DLANDFILL ASH LANDFILL(PHASE II) ASHLANDFILL(PHASE I) ASBESTOSLANDFILL ACCESS ROADSTRUCTURAL FILL 75.325AB-1S5410 AB-2S917 AB-3S950 AB-4S*930 AB-4SL*25.8AB-5S*4060 AB-6S*1640 AB-7S*4220 AB-8S*1160 AB-9S216 AB-10S*1500 AB-10SL*586 AB-11S68.8 AB-12S*5540 AB-12SL*1180 AB-13S*257 AB-14S*3980 AB-15S*2570 AB-15SL1340 AB-16S1460 AB-17S*23000 AB-18S*859 AB-20S*8280 M6 AB-21S*12600 AL-1S2250 AL-2S137 AL-3S*101 BG-1S21.5 BG-3S11.7 GWA-1S53.3GWA-2S45.7 GWA-3S2.9 j GWA-4S15.6 GWA-5S16.1 GWA-6S16.6 GWA-7S231 GWA-8S4.5 j GWA-10S68.8 GWA-11S18.8 GWA-12S22.1 GWA-13S†138 GWA-14S†135 GWA-15S578 MS-86.4 MS-913 MS-1020.6 MS-1113.8 MS-1214.9 MS-139.6 MW-122.2 MW-218.1 MW-352.9 MW-5167 MW-6S2700 MW-7S4950 MW-8S4780 MW-10S8 MW-13S7 MW-14S32 OB-1 (Ash Basin)16.3 BG-2SND MS-14ND MS-15ND MW-4ND MW-9SND MW-11SND MW-12SND MARSHALL RDBEATTY RDGREENWOOD RD S H E R R IL L S F O R D R D NOTES:THE NORTH CAROLINA 2L FOR MANGANESE IS 50 μg/L. PROVISIONAL BACKGROUND THRESHOLD VALUE IS 75.3 µg/L. DASHED CONTOURS WHERE INFERRED. * ASH PORE WATER DATA USED TO INFER GROUNDWATER CONCENTRATIONS IN THEABSENCE OF SHALLOW FLOW ZONE DATA. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. † CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC PBTV BUT W ITHIN THEBACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGICSETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENTMIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THEASH BASIN. CONCENTRATIONS REPORTED ON FIGURE REPRESENT MOST RECENT VALIDSAMPLE RESULTS FOR EACH WELL. DATA WITH HIGH TURBIDITY (>10 NTU) ORRESULTS THAT INDICATE GROUT CONTAMINATION OF THE W ELL (PH>8.5) HAVE BEENREMOVED FROM DATASET. COLLECTION DATES DEPICTED ON FIGURE RANGE FROMFEBRUARY 2015 TO OCTOBER 2017. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON SEPTEMBER 12,2017. AERIAL WAS COLLECTED ON OCTOBER 8, 2016. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83). FIGURE 11-31ISOCONCENTRATION MAPMANGANESE IN SHALLOW GROUNDWATERMARSHALL STEAM STATIONDUKE ENERGY CAROLINAS, LLCTERRELL, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: T. PLATINGCHECKED BY: B. WILKER DATE: 01/25/2018 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Marshall\Mapdocs\CSA_Supplement_2\Marshall - Isoconcentration Maps.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET &<MONITORING W ELL &<MONITORING WELL IN ASH PORE W ATER &<BACKGROUND MONITORING W ELL WATER SUPPLY W ELL ASH BASIN WASTE BOUNDARY ASH BASIN COMPLIANCE BOUNDARY LANDFILL BOUNDARY STRUCTURAL FILL BOUNDARY LANDFILL COMPLIANCE BOUNDARY DUKE ENERGY CAROLINAS MARSHALL PLANTSITE BOUNDARY <STREAM (AMEC NRTR 2015) LEGEND NOT DETECTED ABOVE REPORTING LIMITND TOTAL MANGANESE CONCENTRATION (μg/L)1 NOT SAMPLEDNS NORTH CAROLINA 2L CONTOUR PBTV CONTOUR INTERMEDIATE CONTOUR <<<<<<<<<<<<<<<<<&< &<&<&< &< &<&< &< &< &< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< ASH BASIN LAKE NORMAN ASH BASIN FGDRESIDUELANDFILL PV STRUCTURALFILL INDUSTRIALLANDFILL #1 C&DLANDFILL ASH LANDFILL(PHASE II) ASHLANDFILL(PHASE I) ASBESTOSLANDFILL ACCESS ROADSTRUCTURAL FILL 141141 AB-1D19.6 AB-2D38.6 AB-3D54.9 AB-4D74.2AB-5D541 AB-6D430 AB-7D23.9 AB-8D351 AB-9D69.6 AB-10D3530 AB-11D3.4 j AB-12D148 AB-13D226 AB-14D5.6 AB-16D264 AB-17D10 AB-18D133 AB-21D143 AL-1D25.5 AL-2D468 AL-3D110 AL-4D58.3 BG-1D23.8 BG-3D5.1 GWA-1D63.7 GWA-3D†186 GWA-4D†141 GWA-7D3 j GWA-10D19.2 GWA-11D35.1 GWA-14D22 MS-166.5 MW-6D6.4 MW-7D692 MW-8D114MW-9D947 MW-14D42 GWA-5DND MW-10DND MW-11DND MW-12DND MW-13DND MARSHALL RDBEATTY RDGREENWOOD RD S H E R R IL L S F O R D R D NOTES:THE NORTH CAROLINA 2L FOR MANGANESE IS 50 μg/L. PROVISIONAL BACKGROUND THRESHOLD VALUE IS 141 µg/L. DASHED CONTOURS WHERE INFERRED. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. † CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC PBTV BUT W ITHIN THEBACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGICSETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENTMIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THEASH BASIN. CONCENTRATIONS REPORTED ON FIGURE REPRESENT MOST RECENT VALIDSAMPLE RESULTS FOR EACH WELL. DATA WITH HIGH TURBIDITY (>10 NTU) ORRESULTS THAT INDICATE GROUT CONTAMINATION OF THE W ELL (PH>8.5) HAVE BEENREMOVED FROM DATASET. COLLECTION DATES DEPICTED ON FIGURE RANGE FROMFEBRUARY 2015 TO OCTOBER 2017. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON SEPTEMBER 12,2017. AERIAL WAS COLLECTED ON OCTOBER 8, 2016. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83). FIGURE 11-32ISOCONCENTRATION MAPMANGANESE IN DEEP GROUNDWATERMARSHALL STEAM STATIONDUKE ENERGY CAROLINAS, LLCTERRELL, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: T. PLATINGCHECKED BY: B. WILKER DATE: 01/25/2018 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Marshall\Mapdocs\CSA_Supplement_2\Marshall - Isoconcentration Maps.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET &<MONITORING W ELL &<MONITORING WELL IN ASH PORE W ATER &<BACKGROUND MONITORING W ELL WATER SUPPLY W ELL ASH BASIN WASTE BOUNDARY ASH BASIN COMPLIANCE BOUNDARY LANDFILL BOUNDARY STRUCTURAL FILL BOUNDARY LANDFILL COMPLIANCE BOUNDARY DUKE ENERGY CAROLINAS MARSHALL PLANTSITE BOUNDARY <STREAM (AMEC NRTR 2015) LEGEND NOT DETECTED ABOVE REPORTING LIMITND TOTAL MANGANESE CONCENTRATION (μg/L)1 NOT SAMPLEDNS NORTH CAROLINA 2L CONTOUR PBTV CONTOUR INTERMEDIATE CONTOUR <<<<<<<<<<<<<<<<<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &<&< ASH BASIN LAKE NORMAN ASH BASIN FGDRESIDUELANDFILL PV STRUCTURALFILL INDUSTRIALLANDFILL #1 C&DLANDFILL ASH LANDFILL(PHASE II) ASHLANDFILL(PHASE I) ASBESTOSLANDFILL ACCESS ROADSTRUCTURAL FILL 26.650 50AB-1BR363 AB-5BR112 AB-9BR95 AB-10BR29.8 AB-12BR31.9 AB-15BR255 AL-1BR5 AL-2BR95.4 AL-4BR4 j BG-1BRA†26.6 BG-2BR8.3 BG-3BR12.7 GWA-1BR5.6 GWA-6D8.6 GWA-8D10.9 GWA-9BR3.7 j GWA-12BR†279 MR130.79 MR141.5 MW-14BR4.3 j AL-2BRLL886 MW-4DND AL-2BRLNS MARSHALL RDBEATTY RDGREENWOOD RD S H E R R IL L S F O R D R D NOTES:THE NORTH CAROLINA 2L FOR MANGANESE IS 50 μg/L. PROVISIONAL BACKGROUND THRESHOLD VALUE IS 26.6 µg/L. DASHED CONTOURS WHERE INFERRED. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. † CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC PBTV BUT W ITHIN THEBACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGICSETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENTMIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THEASH BASIN. CONCENTRATIONS REPORTED ON FIGURE REPRESENT MOST RECENT VALIDSAMPLE RESULTS FOR EACH WELL. DATA WITH HIGH TURBIDITY (>10 NTU) ORRESULTS THAT INDICATE GROUT CONTAMINATION OF THE W ELL (PH>8.5) HAVE BEENREMOVED FROM DATASET. COLLECTION DATES DEPICTED ON FIGURE RANGE FROMFEBRUARY 2015 TO OCTOBER 2017. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON SEPTEMBER 12,2017. AERIAL WAS COLLECTED ON OCTOBER 8, 2016. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83). WATER SUPPLY WELL SAMPLED BY NCDEQ BETWEEN FEBRUARY 2015 AND OCTOBER2015. FIGURE 11-33ISOCONCENTRATION MAPMANGANESE IN BEDROCK GROUNDWATERMARSHALL STEAM STATIONDUKE ENERGY CAROLINAS, LLCTERRELL, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: T. PLATINGCHECKED BY: B. WILKER DATE: 01/25/2018 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Marshall\Mapdocs\CSA_Supplement_2\Marshall - Isoconcentration Maps.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET &<MONITORING W ELL &<MONITORING WELL IN ASH PORE W ATER &<BACKGROUND MONITORING W ELL WATER SUPPLY W ELL ASH BASIN WASTE BOUNDARY ASH BASIN COMPLIANCE BOUNDARY LANDFILL BOUNDARY STRUCTURAL FILL BOUNDARY LANDFILL COMPLIANCE BOUNDARY DUKE ENERGY CAROLINAS MARSHALL PLANTSITE BOUNDARY <STREAM (AMEC NRTR 2015) LEGEND NOT DETECTED ABOVE REPORTING LIMITND TOTAL MANGANESE CONCENTRATION (μg/L)1 NOT SAMPLEDNS NORTH CAROLINA 2L CONTOUR PBTV CONTOUR INTERMEDIATE CONTOUR <<<<<<<<<<<<<<<<<&< &< &<&<&< &< &< &< &< &< &< &<&< &<&< &< &< &<&< &< &<&< &< &<&< &< &< &<&< &< &< &< &< &< &< &< &< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< ASH BASIN LAKE NORMAN ASH BASIN FGDRESIDUELANDFILL PV STRUCTURALFILL INDUSTRIALLANDFILL #1 C&DLANDFILL ASH LANDFILL(PHASE II) ASHLANDFILL(PHASE I) ASBESTOSLANDFILL ACCESS ROADSTRUCTURAL FILL 0 . 5 0.1 AB-3S0.28 j AB-4S*7.1 AB-4SL*53 AB-6S*40.6 AB-7S*2420 AB-8S*2.8 AB-10S*2640 M6 AB-10SL*3580 AB-12S*5.1 AB-12SL*452 AB-13S*56.9 AB-14S*3 AB-15S*20.1AB-15SL25.2 AB-16S2.1 AB-17S*6 AB-18S*285 AB-20S*3050 AB-21S*1.2 AL-2S0.18 j AL-3S*40000 BG-2S0.13 j BG-3S0.23 j GWA-3S0.37 j GWA-4S0.11 j GWA-5S0.22 j GWA-7S0.85 GWA-10S0.22 j GWA-14S0.18 j GWA-15S1.2 MS-90.19 j MS-150.55 MW-7S0.92 MW-8S0.85 MW-9S0.27 j OB-1 (Ash Basin)0.23 j CCR-1S0.13 j CCR-5S0.5 j CCR-9S0.31 j CCR-13S7.5 CCR-14S0.31 j AB-1SND AB-2SND AB-5S*ND AB-9SND AB-11SND AL-1SND BG-1SND GWA-1SNDGWA-2SND GWA-6SND GWA-8SND GWA-11SND GWA-12SND GWA-13SND MS-8ND MS-10ND MS-11ND MS-12ND MS-13ND MS-14ND MW-1ND MW-2ND MW-3ND MW-4ND MW-5ND MW-6SND MW-10SND MW-11SND MW-12SND MW-13SND MW-14SND CCR-2SND CCR-3SND CCR-4SND CCR-11SND CCR-12SND CCR-15SND MARSHALL RDBEATTY RDGREENWOOD RD S H E R R IL L S F O R D R D NOTES:NO NORTH CAROLINA 2L OR INTERIM MAXIMUM ALLOW ABLE CONCENTRATIONESTABLISHED FOR MOLYBDENUM. PROVISIONAL BACKGROUND THRESHOLD VALUE IS 0.5 μg/L. DASHED CONTOURS WHERE INFERRED. * ASH PORE WATER DATA USED TO INFER GROUNDWATER CONCENTRATIONS IN THEABSENCE OF SHALLOW FLOW ZONE DATA. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. † CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC PBTV BUT W ITHIN THEBACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGICSETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENTMIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THEASH BASIN. CONCENTRATIONS REPORTED ON FIGURE REPRESENT MOST RECENT VALIDSAMPLE RESULTS FOR EACH WELL. DATA WITH HIGH TURBIDITY (>10 NTU) ORRESULTS THAT INDICATE GROUT CONTAMINATION OF THE W ELL (PH>8.5) HAVE BEENREMOVED FROM DATASET. COLLECTION DATES DEPICTED ON FIGURE RANGE FROMFEBRUARY 2015 TO OCTOBER 2017. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON SEPTEMBER 12,2017. AERIAL WAS COLLECTED ON OCTOBER 8, 2016. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83). FIGURE 11-34ISOCONCENTRATION MAPMOLYBDENUM IN SHALLOW GROUNDWATERMARSHALL STEAM STATIONDUKE ENERGY CAROLINAS, LLCTERRELL, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: T. PLATINGCHECKED BY: B. WILKER DATE: 01/25/2018 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Marshall\Mapdocs\CSA_Supplement_2\Marshall - Isoconcentration Maps.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET &<MONITORING W ELL &<MONITORING WELL IN ASH PORE W ATER &<BACKGROUND MONITORING W ELL WATER SUPPLY W ELL ASH BASIN WASTE BOUNDARY ASH BASIN COMPLIANCE BOUNDARY LANDFILL BOUNDARY STRUCTURAL FILL BOUNDARY LANDFILL COMPLIANCE BOUNDARY DUKE ENERGY CAROLINAS MARSHALL PLANTSITE BOUNDARY <STREAM (AMEC NRTR 2015) LEGEND NOT DETECTED ABOVE REPORTING LIMITND TOTAL MOLYBDENUM CONCENTRATION (μg/L)1 NOT SAMPLEDNS STANDARD CONTOUR PBTV CONTOUR INTERMEDIATE CONTOUR <<<<<<<<<<<<<<<<<&< &<&<&< &< &<&< &< &< &< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< ASH BASIN LAKE NORMAN ASH BASIN FGDRESIDUELANDFILL PV STRUCTURALFILL INDUSTRIALLANDFILL #1 C&DLANDFILL ASH LANDFILL(PHASE II) ASHLANDFILL(PHASE I) ASBESTOSLANDFILL ACCESS ROADSTRUCTURAL FILL 3.2AB-2D0.16 j AB-3D0.25 j AB-5D0.45 j AB-6D0.48 j AB-7D0.55 AB-8D2.2 AB-9D2.7 AB-10D1.2 AB-11D0.76 AB-12D0.42 j AB-13D1.4 AB-16D1.3 AB-17D0.77 AB-18D1.1 AB-21D1.3 AL-1D0.11 j AL-2D1.6 AL-3D2.2 AL-4D1.7 BG-1D0.31 j BG-3D0.26 j GWA-1D9.9 GWA-3D2.7 GWA-4D†4.8 GWA-5D0.35 j GWA-7D0.69 GWA-10D0.44 j GWA-11D0.34 j GWA-14D1.2 MS-160.26 j MW-6D0.12 j MW-7D0.35 j MW-8D0.15 j CCR-1D0.8 CCR-3D0.26 j CCR-4D0.59 CCR-5D0.69 CCR-9DA2.1 CCR-15D0.33 j CCR-16D1.1 AB-1DND AB-4DND AB-14DND MW-9DND MW-10DND MW-11DND MW-12DND MW-13DND MW-14DND CCR-2DND CCR-11DND CCR-12DND CCR-13DND CCR-14DND MARSHALL RDBEATTY RDGREENWOOD RD S H E R R IL L S F O R D R D NOTES:NO NORTH CAROLINA 2L OR INTERIM MAXIMUM ALLOW ABLE CONCENTRATIONESTABLISHED FOR MOLYBDENUM. PROVISIONAL BACKGROUND THRESHOLD VALUE IS 3.2 μg/L. DASHED CONTOURS WHERE INFERRED. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. † CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC PBTV BUT W ITHIN THEBACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGICSETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENTMIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THEASH BASIN. CONCENTRATIONS REPORTED ON FIGURE REPRESENT MOST RECENT VALIDSAMPLE RESULTS FOR EACH WELL. DATA WITH HIGH TURBIDITY (>10 NTU) ORRESULTS THAT INDICATE GROUT CONTAMINATION OF THE W ELL (PH>8.5) HAVE BEENREMOVED FROM DATASET. COLLECTION DATES DEPICTED ON FIGURE RANGE FROMFEBRUARY 2015 TO OCTOBER 2017. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON SEPTEMBER 12,2017. AERIAL WAS COLLECTED ON OCTOBER 8, 2016. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83). FIGURE 11-35ISOCONCENTRATION MAPMOLYBDENUM IN DEEP GROUNDWATERMARSHALL STEAM STATIONDUKE ENERGY CAROLINAS, LLCTERRELL, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: T. PLATINGCHECKED BY: B. WILKER DATE: 01/25/2018 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Marshall\Mapdocs\CSA_Supplement_2\Marshall - Isoconcentration Maps.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET &<MONITORING W ELL &<MONITORING WELL IN ASH PORE W ATER &<BACKGROUND MONITORING W ELL WATER SUPPLY W ELL ASH BASIN WASTE BOUNDARY ASH BASIN COMPLIANCE BOUNDARY LANDFILL BOUNDARY STRUCTURAL FILL BOUNDARY LANDFILL COMPLIANCE BOUNDARY DUKE ENERGY CAROLINAS MARSHALL PLANTSITE BOUNDARY <STREAM (AMEC NRTR 2015) LEGEND NOT DETECTED ABOVE REPORTING LIMITND TOTAL MOLYBDENUM CONCENTRATION (μg/L)1 NOT SAMPLEDNS STANDARD CONTOUR PBTV CONTOUR INTERMEDIATE CONTOUR <<<<<<<<<<<<<<<<<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &<&< ASH BASIN LAKE NORMAN ASH BASIN FGDRESIDUELANDFILL PV STRUCTURALFILL INDUSTRIALLANDFILL #1 C&DLANDFILL ASH LANDFILL(PHASE II) ASHLANDFILL(PHASE I) ASBESTOSLANDFILL ACCESS ROADSTRUCTURAL FILL 3AB-1BR0.32 j AB-5BR0.17 j AB-9BR5.2 AB-10BR0.28 j AB-12BR2.8 AB-15BR1.2 AL-1BR0.13 j AL-2BR7.3 AL-4BR0.21 j BG-1BRA2.5 BG-2BR0.2 j BG-3BR†3 GWA-1BR0.12 j GWA-6D0.61 GWA-8D0.29 j GWA-9BR0.5 GWA-12BR2.9 MR10.11 MR120.088 MR13†4.7 MR202.2 MR351.3 MR81.9 MW-14BR0.33 j AL-2BRLL3.2 MR10ND MR11ND MR14ND MR16ND MR17ND MR18ND MR21ND MR22ND MR23ND MR25ND MR26ND MR29ND MR31ND MR32ND MR33ND MR36ND MR37ND MR38ND MR4ND MR40ND MR42NDMR43ND MR44ND MR45ND MR47ND MR48ND MR6ND MR9ND MW-4DND AL-2BRLNS MARSHALL RDBEATTY RDGREENWOOD RDSHERRILLS FORD RDNOTES:NO NORTH CAROLINA 2L OR INTERIM MAXIMUM ALLOW ABLE CONCENTRATIONESTABLISHED FOR MOLYBDENUM. PROVISIONAL BACKGROUND THRESHOLD VALUE IS 3 μg/L. DASHED CONTOURS WHERE INFERRED. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. † CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC PBTV BUT W ITHIN THEBACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGICSETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENTMIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THEASH BASIN. CONCENTRATIONS REPORTED ON FIGURE REPRESENT MOST RECENT VALIDSAMPLE RESULTS FOR EACH WELL. DATA WITH HIGH TURBIDITY (>10 NTU) ORRESULTS THAT INDICATE GROUT CONTAMINATION OF THE W ELL (PH>8.5) HAVE BEENREMOVED FROM DATASET. COLLECTION DATES DEPICTED ON FIGURE RANGE FROMFEBRUARY 2015 TO OCTOBER 2017. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON SEPTEMBER 12,2017. AERIAL WAS COLLECTED ON OCTOBER 8, 2016. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83). WATER SUPPLY WELL SAMPLED BY NCDEQ BETWEEN FEBRUARY 2015 AND OCTOBER2015. FIGURE 11-36ISOCONCENTRATION MAPMOLYBDENUM IN BEDROCK GROUNDWATERMARSHALL STEAM STATIONDUKE ENERGY CAROLINAS, LLCTERRELL, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: T. PLATINGCHECKED BY: B. WILKER DATE: 01/25/2018 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Marshall\Mapdocs\CSA_Supplement_2\Marshall - Isoconcentration Maps.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET &<MONITORING W ELL &<MONITORING WELL IN ASH PORE W ATER &<BACKGROUND MONITORING W ELL WATER SUPPLY W ELL ASH BASIN WASTE BOUNDARY ASH BASIN COMPLIANCE BOUNDARY LANDFILL BOUNDARY STRUCTURAL FILL BOUNDARY LANDFILL COMPLIANCE BOUNDARY DUKE ENERGY CAROLINAS MARSHALL PLANTSITE BOUNDARY <STREAM (AMEC NRTR 2015) LEGEND NOT DETECTED ABOVE REPORTING LIMITND TOTAL MOLYBDENUM CONCENTRATION (μg/L)1 NOT SAMPLEDNS STANDARD CONTOUR PBTV CONTOUR INTERMEDIATE CONTOUR <<<<<<<<<<<<<<<<<&< &< &<&<&< &< &< &< &< &< &< &<&< &<&< &< &< &<&< &< &<&< &< &<&< &< &< &<&< &< &< &< &< &< &< &< &< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< ASH BASIN LAKE NORMAN ASH BASIN FGDRESIDUELANDFILL PV STRUCTURALFILL INDUSTRIALLANDFILL #1 C&DLANDFILL ASH LANDFILL(PHASE II) ASHLANDFILL(PHASE I) ASBESTOSLANDFILL ACCESS ROADSTRUCTURAL FILL 9.99.9AB-1S2.1 AB-2S1.5 AB-3S87.9 AB-4S*2.9 AB-4SL*9.6 AB-5S*75.6 AB-6S*1.6 AB-7S*20.4 AB-8S*16.7 AB-9S4.4 AB-10S*2.1 AB-10SL*25.5 AB-12S*1.2 AB-12SL*1.4 AB-13S*7.4 AB-14S*2.3 AB-15S*2.4 AB-15SL1 AB-16S2.3 AB-17S*0.82 AB-20S*358 AB-21S*7.5 AL-1S2.6 AL-2S9.8 AL-3S*0.95 BG-2S4.4 BG-3S†19.7 GWA-1S1.8GWA-2S4.4 GWA-3S0.57 GWA-5S1.8 GWA-6S0.57 GWA-7S2.3 GWA-10S3 GWA-11S2.8 GWA-12S1.8 GWA-13S4.6 GWA-14S0.45 j GWA-15S3.1 MS-81.6 MS-101.4 MS-111 MS-121.6 MS-141.4 MS-152.3 MW-12.7 MW-20.52 MW-32.3 MW-50.99 MW-6S4.5 MW-7S25.7 MW-8S2.2 MW-14S48 OB-1 (Ash Basin)8.3 AB-11SND AB-18S*ND BG-1SND GWA-4SND GWA-8SND MS-9ND MS-13ND MW-4ND MW-9SND MW-10SND MW-11SND MW-12SND MW-13SND MARSHALL RDBEATTY RDGREENWOOD RD S H E R R IL L S F O R D R D NOTES:THE NORTH CAROLINA 2L FOR NICKEL IS 100 μg/L. PROVISIONAL BACKGROUND THRESHOLD VALUE IS 9.9 μg/L. DASHED CONTOURS WHERE INFERRED. * ASH PORE WATER DATA USED TO INFER GROUNDWATER CONCENTRATIONS IN THEABSENCE OF SHALLOW FLOW ZONE DATA. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. † CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC PBTV BUT W ITHIN THEBACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGICSETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENTMIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THEASH BASIN. CONCENTRATIONS REPORTED ON FIGURE REPRESENT MOST RECENT VALIDSAMPLE RESULTS FOR EACH WELL. DATA WITH HIGH TURBIDITY (>10 NTU) ORRESULTS THAT INDICATE GROUT CONTAMINATION OF THE W ELL (PH>8.5) HAVE BEENREMOVED FROM DATASET. COLLECTION DATES DEPICTED ON FIGURE RANGE FROMFEBRUARY 2015 TO OCTOBER 2017. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON SEPTEMBER 12,2017. AERIAL WAS COLLECTED ON OCTOBER 8, 2016. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83). FIGURE 11-37ISOCONCENTRATION MAPNICKEL IN SHALLOW GROUNDWATERMARSHALL STEAM STATIONDUKE ENERGY CAROLINAS, LLCTERRELL, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: T. PLATINGCHECKED BY: B. WILKER DATE: 01/25/2018 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Marshall\Mapdocs\CSA_Supplement_2\Marshall - Isoconcentration Maps.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET &<MONITORING W ELL &<MONITORING WELL IN ASH PORE W ATER &<BACKGROUND MONITORING W ELL WATER SUPPLY W ELL ASH BASIN WASTE BOUNDARY ASH BASIN COMPLIANCE BOUNDARY LANDFILL BOUNDARY STRUCTURAL FILL BOUNDARY LANDFILL COMPLIANCE BOUNDARY DUKE ENERGY CAROLINAS MARSHALL PLANTSITE BOUNDARY <STREAM (AMEC NRTR 2015) LEGEND NOT DETECTED ABOVE REPORTING LIMITND NICKEL CONCENTRATION (µg/L)1 NOT SAMPLEDNS NORTH CAROLINA 2L CONTOUR PBTV CONTOUR INTERMEDIATE CONTOUR <<<<<<<<<<<<<<<<<&< &<&<&< &< &<&< &< &< &< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< ASH BASIN LAKE NORMAN ASH BASIN FGDRESIDUELANDFILL PV STRUCTURALFILL INDUSTRIALLANDFILL #1 C&DLANDFILL ASH LANDFILL(PHASE II) ASHLANDFILL(PHASE I) ASBESTOSLANDFILL ACCESS ROADSTRUCTURAL FILL 7 .5 AB-1D1.1 AB-2D0.9 AB-3D0.5 AB-4D1.5AB-5D10.6 AB-6D43.1 AB-7D1.1 AB-9D23.4 AB-10D24.5 AB-12D4.2 AB-14D1.8 AB-16D10 AB-17D1.3 AB-18D2.2 AB-21D2.1 AL-1D2.7 AL-2D22.6 AL-3D5.9 AL-4D9.5 BG-1D†7.9 BG-3D5.9 GWA-1D4.4 GWA-3D3 GWA-4D0.62 GWA-7D3.9 GWA-10D0.56 GWA-11D1.2 GWA-14D0.91 MS-161.7 MW-6D1.6 MW-9D3.8 MW-14D21 AB-8DND AB-11DND AB-13DND GWA-5DND MW-7DND MW-8DND MW-10DND MW-11DND MW-12DND MW-13DND MARSHALL RDBEATTY RDGREENWOOD RD S H E R R IL L S F O R D R D NOTES:THE NORTH CAROLINA 2L FOR NICKEL IS 100 μg/L. PROVISIONAL BACKGROUND THRESHOLD VALUE IS 7.5 μg/L. DASHED CONTOURS WHERE INFERRED. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. † CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC PBTV BUT W ITHIN THEBACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGICSETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENTMIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THEASH BASIN. CONCENTRATIONS REPORTED ON FIGURE REPRESENT MOST RECENT VALIDSAMPLE RESULTS FOR EACH WELL. DATA WITH HIGH TURBIDITY (>10 NTU) ORRESULTS THAT INDICATE GROUT CONTAMINATION OF THE W ELL (PH>8.5) HAVE BEENREMOVED FROM DATASET. COLLECTION DATES DEPICTED ON FIGURE RANGE FROMFEBRUARY 2015 TO OCTOBER 2017. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON SEPTEMBER 12,2017. AERIAL WAS COLLECTED ON OCTOBER 8, 2016. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83). FIGURE 11-38ISOCONCENTRATION MAPNICKEL IN DEEP GROUNDWATERMARSHALL STEAM STATIONDUKE ENERGY CAROLINAS, LLCTERRELL, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: T. PLATINGCHECKED BY: B. WILKER DATE: 01/25/2018 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Marshall\Mapdocs\CSA_Supplement_2\Marshall - Isoconcentration Maps.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET &<MONITORING W ELL &<MONITORING WELL IN ASH PORE W ATER &<BACKGROUND MONITORING W ELL WATER SUPPLY W ELL ASH BASIN WASTE BOUNDARY ASH BASIN COMPLIANCE BOUNDARY LANDFILL BOUNDARY STRUCTURAL FILL BOUNDARY LANDFILL COMPLIANCE BOUNDARY DUKE ENERGY CAROLINAS MARSHALL PLANTSITE BOUNDARY <STREAM (AMEC NRTR 2015) LEGEND NOT DETECTED ABOVE REPORTING LIMITND NICKEL CONCENTRATION (µg/L)1 NOT SAMPLEDNS NORTH CAROLINA 2L CONTOUR PBTV CONTOUR INTERMEDIATE CONTOUR <<<<<<<<<<<<<<<<<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &<&< ASH BASIN LAKE NORMAN ASH BASIN FGDRESIDUELANDFILL PV STRUCTURALFILL INDUSTRIALLANDFILL #1 C&DLANDFILL ASH LANDFILL(PHASE II) ASHLANDFILL(PHASE I) ASBESTOSLANDFILL ACCESS ROADSTRUCTURAL FILL 7.2 AB-1BR1.1 AB-5BR9.7 AB-9BR1.5 AB-10BR2.4 AL-1BR3.9 AL-2BR4 AL-4BR5.6 BG-1BRA2 BG-2BR1.6 BG-3BR†20.8 GWA-1BR0.57 GWA-6D0.85 GWA-8D0.51 GWA-9BR2.9 GWA-12BR2 MR12†10 MR210.66 MR220.55 MR290.69 MR380.51 MR43.5 MR431.2 MR450.97 MR470.72 MR480.52 MW-14BR0.8 AL-2BRLL1.3 AB-12BRND AB-15BRND MR1ND MR10ND MR11ND MR13ND MR14ND MR16ND MR17ND MR18ND MR20ND MR23ND MR25ND MR26ND MR31ND MR32ND MR33ND MR35ND MR36ND MR37ND MR40ND MR42ND MR44ND MR6ND MR8ND MR9ND MW-4DND AL-2BRLNS MARSHALL RDBEATTY RDGREENWOOD RDSHERRILLS FORD RDNOTES:THE NORTH CAROLINA 2L FOR NICKEL IS 100 μg/L. PROVISIONAL BACKGROUND THRESHOLD VALUE IS 7.2 μg/L. DASHED CONTOURS WHERE INFERRED. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. † CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC PBTV BUT W ITHIN THEBACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGICSETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENTMIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THEASH BASIN. CONCENTRATIONS REPORTED ON FIGURE REPRESENT MOST RECENT VALIDSAMPLE RESULTS FOR EACH WELL. DATA WITH HIGH TURBIDITY (>10 NTU) ORRESULTS THAT INDICATE GROUT CONTAMINATION OF THE W ELL (PH>8.5) HAVE BEENREMOVED FROM DATASET. COLLECTION DATES DEPICTED ON FIGURE RANGE FROMFEBRUARY 2015 TO OCTOBER 2017. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON SEPTEMBER 12,2017. AERIAL WAS COLLECTED ON OCTOBER 8, 2016. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83). WATER SUPPLY WELL SAMPLED BY NCDEQ BETWEEN FEBRUARY 2015 AND OCTOBER2015. FIGURE 11-39ISOCONCENTRATION MAPNICKEL IN BEDROCK GROUNDWATERMARSHALL STEAM STATIONDUKE ENERGY CAROLINAS, LLCTERRELL, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: T. PLATINGCHECKED BY: B. WILKER DATE: 01/25/2018 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Marshall\Mapdocs\CSA_Supplement_2\Marshall - Isoconcentration Maps.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET &<MONITORING W ELL &<MONITORING WELL IN ASH PORE W ATER &<BACKGROUND MONITORING W ELL WATER SUPPLY W ELL ASH BASIN WASTE BOUNDARY ASH BASIN COMPLIANCE BOUNDARY LANDFILL BOUNDARY STRUCTURAL FILL BOUNDARY LANDFILL COMPLIANCE BOUNDARY DUKE ENERGY CAROLINAS MARSHALL PLANTSITE BOUNDARY <STREAM (AMEC NRTR 2015) LEGEND NOT DETECTED ABOVE REPORTING LIMITND NICKEL CONCENTRATION (µg/L)1 NOT SAMPLEDNS NORTH CAROLINA 2L CONTOUR PBTV CONTOUR INTERMEDIATE CONTOUR <<<<<<<<<<<<<<<<<&< &< &<&<&< &< &< &< &< &< &< &<&< &<&< &< &< &<&< &< &<&< &< &<&< &< &< &<&< &< &< &< &< &< &< &< &< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< ASH BASIN LAKE NORMAN ASH BASIN FGDRESIDUELANDFILL PV STRUCTURALFILL INDUSTRIALLANDFILL #1 C&DLANDFILL ASH LANDFILL(PHASE II) ASHLANDFILL(PHASE I) ASBESTOSLANDFILL ACCESS ROADSTRUCTURAL FILL0.52020AB-1S12.7 AB-3S0.53 AB-4S*0.71 AB-5S*0.34 j AB-6S*1 AB-7S*13.3 AB-8S*0.35 j AB-10SL*0.79 AB-12S*1.4 AB-16S0.89 AB-18S*4.4 j AB-20S*636 AL-1S0.55 AL-2S77.9 AL-3S*58.7 GWA-1S1.2 GWA-2S1.3 GWA-10S2 GWA-11S20.9 GWA-15S7.3 MS-130.36 j MS-150.33 j MW-10.98 MW-231.6 MW-7S19.4 MW-8S0.54 MW-14S6.06 OB-1 (Ash Basin)0.44 j CCR-4S1.2 CCR-9S7 CCR-11S15.9 CCR-12S4.4 CCR-13S0.32 j CCR-14S1.9 CCR-15S0.34 j AB-2SND AB-4SL*ND AB-9SND AB-10S*ND AB-11SND AB-12SL*ND AB-13S*ND AB-14S*ND AB-15S*ND AB-15SLND AB-17S*ND AB-21S*ND BG-1SND BG-2SND BG-3SND GWA-3SND GWA-4SND GWA-5SND GWA-6SND GWA-7SND GWA-8SND GWA-12SND GWA-13SND GWA-14SND MS-8ND MS-9ND MS-10ND MS-11ND MS-12ND MS-14ND MW-3ND MW-4ND MW-5ND MW-6SND MW-9SND MW-10SND MW-11SND MW-12SND MW-13SND CCR-1SND CCR-2SND CCR-3SND CCR-5SND MARSHALL RDBEATTY RDGREENWOOD RD S H E R R IL L S F O R D R D NOTES:THE NORTH CAROLINA 2L FOR SELENIUM IS 20 μg/L. PROVISIONAL BACKGROUND THRESHOLD VALUE IS 0.5 μg/L. DASHED CONTOURS WHERE INFERRED. * ASH PORE WATER DATA USED TO INFER GROUNDWATER CONCENTRATIONS IN THEABSENCE OF SHALLOW FLOW ZONE DATA. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. † CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC PBTV BUT W ITHIN THEBACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGICSETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENTMIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THEASH BASIN. CONCENTRATIONS REPORTED ON FIGURE REPRESENT MOST RECENT VALIDSAMPLE RESULTS FOR EACH WELL. DATA WITH HIGH TURBIDITY (>10 NTU) ORRESULTS THAT INDICATE GROUT CONTAMINATION OF THE W ELL (PH>8.5) HAVE BEENREMOVED FROM DATASET. COLLECTION DATES DEPICTED ON FIGURE RANGE FROMFEBRUARY 2015 TO OCTOBER 2017. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON SEPTEMBER 12,2017. AERIAL WAS COLLECTED ON OCTOBER 8, 2016. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83). FIGURE 11-40ISOCONCENTRATION MAPSELENIUM IN SHALLOW GROUNDWATERMARSHALL STEAM STATIONDUKE ENERGY CAROLINAS, LLCTERRELL, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: T. PLATINGCHECKED BY: B. WILKER DATE: 01/25/2018 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Marshall\Mapdocs\CSA_Supplement_2\Marshall - Isoconcentration Maps.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET &<MONITORING W ELL &<MONITORING WELL IN ASH PORE W ATER &<BACKGROUND MONITORING W ELL WATER SUPPLY W ELL ASH BASIN WASTE BOUNDARY ASH BASIN COMPLIANCE BOUNDARY LANDFILL BOUNDARY STRUCTURAL FILL BOUNDARY LANDFILL COMPLIANCE BOUNDARY DUKE ENERGY CAROLINAS MARSHALL PLANTSITE BOUNDARY <STREAM (AMEC NRTR 2015) LEGEND NOT DETECTED ABOVE REPORTING LIMITND SELENIUM CONCENTRATION (µg/L)1 NOT SAMPLEDNS NORTH CAROLINA 2L CONTOUR PBTV CONTOUR INTERMEDIATE CONTOUR <<<<<<<<<<<<<<<<<&< &<&<&< &< &<&< &< &< &< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< ASH BASIN LAKE NORMAN ASH BASIN FGDRESIDUELANDFILL PV STRUCTURALFILL INDUSTRIALLANDFILL #1 C&DLANDFILL ASH LANDFILL(PHASE II) ASHLANDFILL(PHASE I) ASBESTOSLANDFILL ACCESS ROADSTRUCTURAL FILL 0 .5 0.520AB-2D0.36 j AB-5D0.63 AB-14D0.4 j AB-18D0.38 j AL-2D109 AL-3D43.8 AL-4D12.3 BG-1D†2.4 GWA-7D0.36 j GWA-11D10.3 GWA-14D†0.8 MW-14D3.07 CCR-3D0.46 j CCR-4D0.35 j CCR-15D0.86 CCR-16D0.4 j AB-1DND AB-3DND AB-4DND AB-6DND AB-7DND AB-8DND AB-9DND AB-10DND AB-11DND AB-12DND AB-13DND AB-16DND AB-17DND AB-21DND AL-1DND BG-3DND GWA-1DND GWA-3DND GWA-4DND GWA-5DND GWA-10DND MS-16ND MW-6DND MW-7DND MW-8DND MW-9DND MW-10DND MW-11DND MW-12DND MW-13DND CCR-1DND CCR-2DND CCR-5DND CCR-9DANDCCR-11DND CCR-12DND CCR-13DND CCR-14DND MARSHALL RDBEATTY RDGREENWOOD RD S H E R R IL L S F O R D R D NOTES:THE NORTH CAROLINA 2L FOR SELENIUM IS 20 μg/L. PROVISIONAL BACKGROUND THRESHOLD VALUE IS 0.5 μg/L. DASHED CONTOURS WHERE INFERRED. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. † CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC PBTV BUT W ITHIN THEBACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGICSETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENTMIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THEASH BASIN. CONCENTRATIONS REPORTED ON FIGURE REPRESENT MOST RECENT VALIDSAMPLE RESULTS FOR EACH WELL. DATA WITH HIGH TURBIDITY (>10 NTU) ORRESULTS THAT INDICATE GROUT CONTAMINATION OF THE W ELL (PH>8.5) HAVE BEENREMOVED FROM DATASET. COLLECTION DATES DEPICTED ON FIGURE RANGE FROMFEBRUARY 2015 TO OCTOBER 2017. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON SEPTEMBER 12,2017. AERIAL WAS COLLECTED ON OCTOBER 8, 2016. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83). FIGURE 11-41ISOCONCENTRATION MAPSELENIUM IN DEEP GROUNDWATERMARSHALL STEAM STATIONDUKE ENERGY CAROLINAS, LLCTERRELL, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: T. PLATINGCHECKED BY: B. WILKER DATE: 01/25/2018 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Marshall\Mapdocs\CSA_Supplement_2\Marshall - Isoconcentration Maps.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET &<MONITORING W ELL &<MONITORING WELL IN ASH PORE W ATER &<BACKGROUND MONITORING W ELL WATER SUPPLY W ELL ASH BASIN WASTE BOUNDARY ASH BASIN COMPLIANCE BOUNDARY LANDFILL BOUNDARY STRUCTURAL FILL BOUNDARY LANDFILL COMPLIANCE BOUNDARY DUKE ENERGY CAROLINAS MARSHALL PLANTSITE BOUNDARY <STREAM (AMEC NRTR 2015) LEGEND NOT DETECTED ABOVE REPORTING LIMITND SELENIUM CONCENTRATION (µg/L)1 NOT SAMPLEDNS NORTH CAROLINA 2L CONTOUR PBTV CONTOUR INTERMEDIATE CONTOUR <<<<<<<<<<<<<<<<<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &<&< ASH BASIN LAKE NORMAN ASH BASIN FGDRESIDUELANDFILL PV STRUCTURALFILL INDUSTRIALLANDFILL #1 C&DLANDFILL ASH LANDFILL(PHASE II) ASHLANDFILL(PHASE I) ASBESTOSLANDFILL ACCESS ROADSTRUCTURAL FILL 0 . 5 AB-9BR0.34 j AL-2BR15.9 AL-4BR5.8 BG-1BRA0.36 j BG-2BR0.31 j GWA-1BR0.4 j GWA-12BR0.39 j MR40.3 MW-14BR1.4 AB-1BRND AB-5BRND AB-10BRND AB-12BRND AB-15BRND AL-1BRND BG-3BRND GWA-6DND GWA-8DND GWA-9BRND MR1ND MR10ND MR11ND MR12ND MR13ND MR14ND MR16ND MR17ND MR18ND MR20ND MR21ND MR22ND MR23ND MR25ND MR26ND MR29ND MR31ND MR32ND MR33ND MR35ND MR36ND MR37NDMR38ND MR40ND MR42NDMR43ND MR44ND MR45ND MR47ND MR48ND MR6ND MR8ND MR9ND MW-4DND AL-2BRLLND AL-2BRLNS MARSHALL RDBEATTY RDGREENWOOD RDSHERRILLS FORD RDNOTES:THE NORTH CAROLINA 2L FOR SELENIUM IS 20 μg/L. PROVISIONAL BACKGROUND THRESHOLD VALUE IS 0.5 μg/L. DASHED CONTOURS WHERE INFERRED. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. † CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC PBTV BUT W ITHIN THEBACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGICSETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENTMIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THEASH BASIN. CONCENTRATIONS REPORTED ON FIGURE REPRESENT MOST RECENT VALIDSAMPLE RESULTS FOR EACH WELL. DATA WITH HIGH TURBIDITY (>10 NTU) ORRESULTS THAT INDICATE GROUT CONTAMINATION OF THE W ELL (PH>8.5) HAVE BEENREMOVED FROM DATASET. COLLECTION DATES DEPICTED ON FIGURE RANGE FROMFEBRUARY 2015 TO OCTOBER 2017. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON SEPTEMBER 12,2017. AERIAL WAS COLLECTED ON OCTOBER 8, 2016. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83). WATER SUPPLY WELL SAMPLED BY NCDEQ BETWEEN FEBRUARY 2015 AND OCTOBER2015. FIGURE 11-42ISOCONCENTRATION MAPSELENIUM IN BEDROCK GROUNDWATERMARSHALL STEAM STATIONDUKE ENERGY CAROLINAS, LLCTERRELL, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: T. PLATINGCHECKED BY: B. WILKER DATE: 01/25/2018 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Marshall\Mapdocs\CSA_Supplement_2\Marshall - Isoconcentration Maps.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET &<MONITORING W ELL &<MONITORING WELL IN ASH PORE W ATER &<BACKGROUND MONITORING W ELL WATER SUPPLY W ELL ASH BASIN WASTE BOUNDARY ASH BASIN COMPLIANCE BOUNDARY LANDFILL BOUNDARY STRUCTURAL FILL BOUNDARY LANDFILL COMPLIANCE BOUNDARY DUKE ENERGY CAROLINAS MARSHALL PLANTSITE BOUNDARY <STREAM (AMEC NRTR 2015) LEGEND NOT DETECTED ABOVE REPORTING LIMITND SELENIUM CONCENTRATION (µg/L)1 NOT SAMPLEDNS NORTH CAROLINA 2L CONTOUR PBTV CONTOUR INTERMEDIATE CONTOUR <<<<<<<<<<<<<<<<<&< &< &<&<&< &< &< &< &< &< &< &<&< &<&< &< &< &<&< &< &<&< &< &<&< &< &< &<&< &< &< &< &< &< &< &< &< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< ASH BASIN LAKE NORMAN ASH BASIN FGDRESIDUELANDFILL PV STRUCTURALFILL INDUSTRIALLANDFILL #1 C&DLANDFILL ASH LANDFILL(PHASE II) ASHLANDFILL(PHASE I) ASBESTOSLANDFILL ACCESS ROADSTRUCTURAL FILL303 50AB-1S809 AB-2S9.4 AB-3S2400 AB-4S*312 AB-4SL*758 AB-5S*1460 AB-6S*6590 AB-7S*6220 AB-8S*1560 AB-9S44.9 AB-10S*7230 AB-10SL*6280 AB-11S37.5 AB-12S*4520 AB-12SL*4820 M1 AB-13S*2740 AB-14S*3220 AB-15S*4760AB-15SL2340 AB-16S313 AB-17S*2330 AB-18S*3260 AB-20S*9770 M6 AB-21S*604 AL-1S2280 AL-2S5750 AL-3S*14100 BG-1S87 BG-2S210 BG-3S139 GWA-1S35.2GWA-2S34 GWA-3S51.3 GWA-4S42.2 GWA-5S67.6 GWA-6S60.2 GWA-7S160 GWA-8S171 GWA-10S702 GWA-11S1190 GWA-12S10.1 GWA-13S6.6 GWA-14S16.2 GWA-15S1700 MS-8102 MS-9190 MS-1021.5 MS-1188.4 MS-1232.5 MS-13380 MS-14398 MS-15492 MW-12330 MW-21750 MW-365.4 MW-4100 MW-5138 MW-6S40 MW-7S459 MW-8S1550 MW-9S1070 MW-11S74 MW-12S49 MW-13S66 MW-14S2270 OB-1 (Ash Basin)3190 MW-10SND MARSHALL RDBEATTY RDGREENWOOD RD S H E R R IL L S F O R D R D NOTES:NO NORTH CAROLINA 2L OR INTERIM MAXIMUM ALLOW ABLE CONCENTRATIONESTABLISHED FOR STRONTIUM. PROVISIONAL BACKGROUND THRESHOLD VALUE IS 303 µg/L. DASHED CONTOURS WHERE INFERRED. * ASH PORE WATER DATA USED TO INFER GROUNDWATER CONCENTRATIONS IN THEABSENCE OF SHALLOW FLOW ZONE DATA. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. † CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC PBTV BUT W ITHIN THEBACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGICSETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENTMIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THEASH BASIN. CONCENTRATIONS REPORTED ON FIGURE REPRESENT MOST RECENT VALIDSAMPLE RESULTS FOR EACH WELL. DATA WITH HIGH TURBIDITY (>10 NTU) ORRESULTS THAT INDICATE GROUT CONTAMINATION OF THE W ELL (PH>8.5) HAVE BEENREMOVED FROM DATASET. COLLECTION DATES DEPICTED ON FIGURE RANGE FROMFEBRUARY 2015 TO OCTOBER 2017. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON SEPTEMBER 12,2017. AERIAL WAS COLLECTED ON OCTOBER 8, 2016. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83). FIGURE 11-43ISOCONCENTRATION MAPSTRONTIUM IN SHALLOW GROUNDWATERMARSHALL STEAM STATIONDUKE ENERGY CAROLINAS, LLCTERRELL, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: T. PLATINGCHECKED BY: B. WILKER DATE: 01/25/2018 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Marshall\Mapdocs\CSA_Supplement_2\Marshall - Isoconcentration Maps.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET &<MONITORING W ELL &<MONITORING WELL IN ASH PORE W ATER &<BACKGROUND MONITORING W ELL WATER SUPPLY W ELL ASH BASIN WASTE BOUNDARY ASH BASIN COMPLIANCE BOUNDARY LANDFILL BOUNDARY STRUCTURAL FILL BOUNDARY LANDFILL COMPLIANCE BOUNDARY DUKE ENERGY CAROLINAS MARSHALL PLANTSITE BOUNDARY <STREAM (AMEC NRTR 2015) LEGEND NOT DETECTED ABOVE REPORTING LIMITND STRONTIUM CONCENTRATION (µg/L)1 NOT SAMPLEDNS STANDARD CONTOUR PBTV CONTOUR INTERMEDIATE CONTOUR <<<<<<<<<<<<<<<<<&< &<&<&< &< &<&< &< &< &< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< ASH BASIN LAKE NORMAN ASH BASIN FGDRESIDUELANDFILL PV STRUCTURALFILL INDUSTRIALLANDFILL #1 C&DLANDFILL ASH LANDFILL(PHASE II) ASHLANDFILL(PHASE I) ASBESTOSLANDFILL ACCESS ROADSTRUCTURAL FILL 665 6 6 5 AB-1D2420 AB-2D633 AB-3D1280 AB-4D259AB-5D2670 AB-6D4590 AB-7D492 AB-8D2280 AB-9D235 AB-10D2820 AB-11D1160 AB-12D10200 AB-13D673 AB-14D471 AB-16D420 AB-17D112 AB-18D195 AB-21D623 AL-1D5020 AL-2D9290 AL-3D2700 AL-4D7580 BG-1D656 BG-3D170 GWA-1D932 GWA-3D81.2 GWA-4D153 GWA-5D81.4 GWA-7D210 GWA-10D1900 GWA-11D1670 GWA-14D80.6 MS-16310 MW-6D1520 MW-7D1320 MW-8D1540 MW-9D1190 MW-10D103 MW-11D95 MW-12D169 MW-13D74 MW-14D2120 MARSHALL RDBEATTY RDGREENWOOD RD S H E R R IL L S F O R D R D NOTES:NO NORTH CAROLINA 2L OR INTERIM MAXIMUM ALLOW ABLE CONCENTRATIONESTABLISHED FOR STRONTIUM. PROVISIONAL BACKGROUND THRESHOLD VALUE IS 665 µg/L. DASHED CONTOURS WHERE INFERRED. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. † CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC PBTV BUT W ITHIN THEBACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGICSETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENTMIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THEASH BASIN. CONCENTRATIONS REPORTED ON FIGURE REPRESENT MOST RECENT VALIDSAMPLE RESULTS FOR EACH WELL. DATA WITH HIGH TURBIDITY (>10 NTU) ORRESULTS THAT INDICATE GROUT CONTAMINATION OF THE W ELL (PH>8.5) HAVE BEENREMOVED FROM DATASET. COLLECTION DATES DEPICTED ON FIGURE RANGE FROMFEBRUARY 2015 TO OCTOBER 2017. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON SEPTEMBER 12,2017. AERIAL WAS COLLECTED ON OCTOBER 8, 2016. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83). FIGURE 11-44ISOCONCENTRATION MAPSTRONTIUM IN DEEP GROUNDWATERMARSHALL STEAM STATIONDUKE ENERGY CAROLINAS, LLCTERRELL, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: T. PLATINGCHECKED BY: B. WILKER DATE: 01/25/2018 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Marshall\Mapdocs\CSA_Supplement_2\Marshall - Isoconcentration Maps.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET &<MONITORING W ELL &<MONITORING WELL IN ASH PORE W ATER &<BACKGROUND MONITORING W ELL WATER SUPPLY W ELL ASH BASIN WASTE BOUNDARY ASH BASIN COMPLIANCE BOUNDARY LANDFILL BOUNDARY STRUCTURAL FILL BOUNDARY LANDFILL COMPLIANCE BOUNDARY DUKE ENERGY CAROLINAS MARSHALL PLANTSITE BOUNDARY <STREAM (AMEC NRTR 2015) LEGEND NOT DETECTED ABOVE REPORTING LIMITND STRONTIUM CONCENTRATION (µg/L)1 NOT SAMPLEDNS STANDARD CONTOUR PBTV CONTOUR INTERMEDIATE CONTOUR <<<<<<<<<<<<<<<<<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &<&< ASH BASIN LAKE NORMAN ASH BASIN FGDRESIDUELANDFILL PV STRUCTURALFILL INDUSTRIALLANDFILL #1 C&DLANDFILL ASH LANDFILL(PHASE II) ASHLANDFILL(PHASE I) ASBESTOSLANDFILL ACCESS ROADSTRUCTURAL FILL 253 AB-1BR1700 AB-5BR3040 AB-9BR262 AB-10BR5220 AB-12BR7530 AB-15BR1220 AL-1BR2840 AL-2BR2570 AL-4BR2240 BG-1BRA202 BG-2BR237 BG-3BR181 GWA-1BR283 GWA-6D†277 GWA-8D183 GWA-9BR54.1 GWA-12BR182 MR128 MR1059 MR1178.2 MR1299 MR13†353 MR1485.3 MR16101 MR17189 MR18201 MR20132 MR219.7 MR2234.1 MR23278 MR25110 MR26149 MR29106 MR3146 MR3299.6 MR3346.7 MR3595 MR3721.9MR3836 MR4†580 MR40100 MR4260.3MR4376.3 MR44196 MR4537.4 MR47129 MR4855.8 MR6†291 MR844.1 MR983.5 MW-4D196 MW-14BR593 AL-2BRLL3910 MR36ND AL-2BRLNS MARSHALL RDBEATTY RDGREENWOOD RDSHERRILLS FORD RDNOTES:NO NORTH CAROLINA 2L OR INTERIM MAXIMUM ALLOW ABLE CONCENTRATIONESTABLISHED FOR STRONTIUM. PROVISIONAL BACKGROUND THRESHOLD VALUE IS 253 μg/L. DASHED CONTOURS WHERE INFERRED. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. † CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC PBTV BUT W ITHIN THEBACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGICSETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENTMIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THEASH BASIN. CONCENTRATIONS REPORTED ON FIGURE REPRESENT MOST RECENT VALIDSAMPLE RESULTS FOR EACH WELL. DATA WITH HIGH TURBIDITY (>10 NTU) ORRESULTS THAT INDICATE GROUT CONTAMINATION OF THE W ELL (PH>8.5) HAVE BEENREMOVED FROM DATASET. COLLECTION DATES DEPICTED ON FIGURE RANGE FROMFEBRUARY 2015 TO OCTOBER 2017. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON SEPTEMBER 12,2017. AERIAL WAS COLLECTED ON OCTOBER 8, 2016. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83). WATER SUPPLY WELL SAMPLED BY NCDEQ BETWEEN FEBRUARY 2015 AND OCTOBER2015. FIGURE 11-45ISOCONCENTRATION MAPSTRONTIUM IN BEDROCK GROUNDWATERMARSHALL STEAM STATIONDUKE ENERGY CAROLINAS, LLCTERRELL, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: T. PLATINGCHECKED BY: B. WILKER DATE: 01/25/2018 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Marshall\Mapdocs\CSA_Supplement_2\Marshall - Isoconcentration Maps.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET &<MONITORING W ELL &<MONITORING WELL IN ASH PORE W ATER &<BACKGROUND MONITORING W ELL WATER SUPPLY W ELL ASH BASIN WASTE BOUNDARY ASH BASIN COMPLIANCE BOUNDARY LANDFILL BOUNDARY STRUCTURAL FILL BOUNDARY LANDFILL COMPLIANCE BOUNDARY DUKE ENERGY CAROLINAS MARSHALL PLANTSITE BOUNDARY <STREAM (AMEC NRTR 2015) LEGEND NOT DETECTED ABOVE REPORTING LIMITND STRONTIUM CONCENTRATION (µg/L)1 NOT SAMPLEDNS STANDARD CONTOUR PBTV CONTOUR INTERMEDIATE CONTOUR <<<<<<<<<<<<<<<<<&< &< &<&<&< &< &< &< &< &< &< &<&< &<&< &< &< &<&< &< &<&< &< &<&< &< &< &<&< &< &< &< &< &< &< &< &< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< ASH BASIN LAKE NORMAN ASH BASIN FGDRESIDUELANDFILL PV STRUCTURALFILL INDUSTRIALLANDFILL #1 C&DLANDFILL ASH LANDFILL(PHASE II) ASHLANDFILL(PHASE I) ASBESTOSLANDFILL ACCESS ROADSTRUCTURAL FILL 4.2250AB-1S122 AB-2S0.73 j AB-3S520 AB-4S*28.8 AB-4SL*36.5 AB-5S*1450 AB-6S*486 M6 AB-7S*1620 AB-8S*200 M1 AB-9S7.9 AB-10S*932 AB-10SL*632 AB-11S0.74 j AB-12S*753 AB-12SL*5.3 AB-13S*27.1 AB-14S*958 AB-15S*58.8 AB-15SL89.9 AB-16S4.7 AB-17S*557 AB-18S*4.2 AB-20S*3370 AB-21S*421 AL-1S77.6 AL-2S1480 AL-3S*2840 BG-1S†12.6 BG-2S†5.5 BG-3S†12.8 GWA-1S7.2 GWA-2S57.4 GWA-3S0.67 j GWA-5S1.1 GWA-7S5.9 GWA-8S0.9 j GWA-10S43.4 GWA-11S245 GWA-12S3.4 GWA-13S1.2 GWA-15S91 MS-113.6 MS-150.95 j MW-115.3 MW-2159 MW-40.12 MW-6S52.7 MW-7S99.3 MW-8S40.1 MW-9S54.9 MW-11S0.3 MW-12S1 MW-13S0.47 MW-14S290 OB-1 (Ash Basin)10.5 CCR-1S1.1 CCR-2S12.4 CCR-4S120 CCR-5S69 CCR-9S93.1 M6 CCR-11S126 CCR-12S17.6 CCR-13S79.5CCR-14S41.3 CCR-15S1.3 GWA-4SND GWA-6SNDGWA-14SND MS-8ND MS-9NDMS-10ND MS-12ND MS-13ND MS-14ND MW-3ND MW-5ND MW-10SND CCR-3SND MARSHALL RDBEATTY RDGREENWOOD RD S H E R R IL L S F O R D R D NOTES:THE NORTH CAROLINA 2L FOR SULFATE IS 250 mg/L. PROVISIONAL BACKGROUND THRESHOLD VALUE IS 4.2 mg/L. DASHED CONTOURS WHERE INFERRED. * ASH PORE WATER DATA USED TO INFER GROUNDWATER CONCENTRATIONS IN THEABSENCE OF SHALLOW FLOW ZONE DATA. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. † CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC PBTV BUT W ITHIN THEBACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGICSETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENTMIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THEASH BASIN. CONCENTRATIONS REPORTED ON FIGURE REPRESENT MOST RECENT VALIDSAMPLE RESULTS FOR EACH WELL. DATA WITH HIGH TURBIDITY (>10 NTU) ORRESULTS THAT INDICATE GROUT CONTAMINATION OF THE W ELL (PH>8.5) HAVE BEENREMOVED FROM DATASET. COLLECTION DATES DEPICTED ON FIGURE RANGE FROMFEBRUARY 2015 TO OCTOBER 2017. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON SEPTEMBER 12,2017. AERIAL WAS COLLECTED ON OCTOBER 8, 2016. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83). FIGURE 11-46ISOCONCENTRATION MAPSULFATE IN SHALLOW GROUNDWATERMARSHALL STEAM STATIONDUKE ENERGY CAROLINAS, LLCTERRELL, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: T. PLATINGCHECKED BY: B. WILKER DATE: 01/25/2018 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Marshall\Mapdocs\CSA_Supplement_2\Marshall - Isoconcentration Maps.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET &<MONITORING W ELL &<MONITORING WELL IN ASH PORE W ATER &<BACKGROUND MONITORING W ELL WATER SUPPLY W ELL ASH BASIN WASTE BOUNDARY ASH BASIN COMPLIANCE BOUNDARY LANDFILL BOUNDARY STRUCTURAL FILL BOUNDARY LANDFILL COMPLIANCE BOUNDARY DUKE ENERGY CAROLINAS MARSHALL PLANTSITE BOUNDARY <STREAM (AMEC NRTR 2015) LEGEND NOT DETECTED ABOVE REPORTING LIMITND SULFATE CONCENTRATION (mg/L)1 NOT SAMPLEDNS NORTH CAROLINA 2L CONTOUR PBTV CONTOUR INTERMEDIATE CONTOUR <<<<<<<<<<<<<<<<<&< &<&<&< &< &<&< &< &< &< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< ASH BASIN LAKE NORMAN ASH BASIN FGDRESIDUELANDFILL PV STRUCTURALFILL INDUSTRIALLANDFILL #1 C&DLANDFILL ASH LANDFILL(PHASE II) ASHLANDFILL(PHASE I) ASBESTOSLANDFILL ACCESS ROADSTRUCTURAL FILL 17.72 5 0 10 AB-1D38 AB-2D174 AB-3D94 AB-4D34.1 AB-5D112 AB-6D40.3 AB-7D1.1 AB-8D77.6 AB-9D9 AB-10D10.7 AB-11D3.7 AB-12D172 AB-13D15.8 AB-14D43.7 AB-16D24.5 AB-17D0.96 j AB-18D5.1 AB-21D27.1 AL-1D14 AL-2D914 AL-3D431 AL-4D999 BG-1D11 BG-3D12.5 GWA-1D234 GWA-3D2.6 GWA-4D11.3 GWA-5D2.4 GWA-7D9.2 GWA-10D208 GWA-11D104 GWA-14D2.7 MW-6D5.5 MW-7D73.5 MW-8D108 MW-9D171 MW-10D4.1 MW-11D0.67 MW-12D4.8 MW-13D0.6 MW-14D200 CCR-1D2 CCR-2D6 CCR-3D97 CCR-4D75.9 CCR-5D37 CCR-9DA25.4 CCR-11D14.5 CCR-12D9.3 CCR-13D2.5 CCR-14D10.1 CCR-15D6.3 CCR-16D9.7 MS-16ND MARSHALL RDBEATTY RDGREENWOOD RD S H E R R IL L S F O R D R D NOTES:THE NORTH CAROLINA 2L FOR SULFATE IS 250 mg/L. PROVISIONAL BACKGROUND THRESHOLD VALUE IS 17.7 mg/L. DASHED CONTOURS WHERE INFERRED. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. † CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC PBTV BUT W ITHIN THEBACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGICSETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENTMIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THEASH BASIN. CONCENTRATIONS REPORTED ON FIGURE REPRESENT MOST RECENT VALIDSAMPLE RESULTS FOR EACH WELL. DATA WITH HIGH TURBIDITY (>10 NTU) ORRESULTS THAT INDICATE GROUT CONTAMINATION OF THE W ELL (PH>8.5) HAVE BEENREMOVED FROM DATASET. COLLECTION DATES DEPICTED ON FIGURE RANGE FROMFEBRUARY 2015 TO OCTOBER 2017. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON SEPTEMBER 12,2017. AERIAL WAS COLLECTED ON OCTOBER 8, 2016. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83). FIGURE 11-47ISOCONCENTRATION MAPSULFATE IN DEEP GROUNDWATERMARSHALL STEAM STATIONDUKE ENERGY CAROLINAS, LLCTERRELL, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: T. PLATINGCHECKED BY: B. WILKER DATE: 01/25/2018 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Marshall\Mapdocs\CSA_Supplement_2\Marshall - Isoconcentration Maps.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET &<MONITORING W ELL &<MONITORING WELL IN ASH PORE W ATER &<BACKGROUND MONITORING W ELL WATER SUPPLY W ELL ASH BASIN WASTE BOUNDARY ASH BASIN COMPLIANCE BOUNDARY LANDFILL BOUNDARY STRUCTURAL FILL BOUNDARY LANDFILL COMPLIANCE BOUNDARY DUKE ENERGY CAROLINAS MARSHALL PLANTSITE BOUNDARY <STREAM (AMEC NRTR 2015) LEGEND NOT DETECTED ABOVE REPORTING LIMITND SULFATE CONCENTRATION (mg/L)1 NOT SAMPLEDNS NORTH CAROLINA 2L CONTOUR PBTV CONTOUR INTERMEDIATE CONTOUR <<<<<<<<<<<<<<<<<&< &< &< &< &< &< &< &< &< &< &< &< &< &<&< &< &< &< &< &< &< ASH BASIN LAKE NORMAN ASH BASIN FGDRESIDUELANDFILL PV STRUCTURALFILL INDUSTRIALLANDFILL #1 C&DLANDFILL ASH LANDFILL(PHASE II) ASHLANDFILL(PHASE I) ASBESTOSLANDFILL ACCESS ROADSTRUCTURAL FILL 18.4 18.4AB-1BR43.8 AB-5BR240 AB-9BR17.2 AB-10BR19.7 AB-12BR152 AB-15BR66.4 AL-1BR7.7 AL-2BR193 AL-2BRL183 AL-4BR166 BG-1BRA8.2 BG-2BR2.1 BG-3BR12.6 GWA-1BR52.1 GWA-6D7 GWA-8D0.88 j GWA-12BR†18.4 MR111 MR112 MR138.4 MR16†18.7 MR182.8MR202.2 MR232.7 MR253.1 MR262 MR355 MR3611.7 MR82.6 MW-4D1.5 MW-14BR9.6 AL-2BRLL509 GWA-9BRND MR10ND MR12ND MR14ND MR17ND MR21ND MR22ND MR29ND MR31ND MR32ND MR33ND MR37ND MR38ND MR4ND MR40ND MR42NDMR43ND MR44ND MR45ND MR47ND MR48ND MR6ND MR9ND MARSHALL RDBEATTY RDGREENWOOD RDSHERRILLS FORD RDNOTES:THE NORTH CAROLINA 2L FOR SULFATE IS 250 mg/L. PROVISIONAL BACKGROUND THRESHOLD VALUE IS 18.4 mg/L. DASHED CONTOURS WHERE INFERRED. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. † CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC PBTV BUT W ITHIN THEBACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGICSETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENTMIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THEASH BASIN. CONCENTRATIONS REPORTED ON FIGURE REPRESENT MOST RECENT VALIDSAMPLE RESULTS FOR EACH WELL. DATA WITH HIGH TURBIDITY (>10 NTU) ORRESULTS THAT INDICATE GROUT CONTAMINATION OF THE W ELL (PH>8.5) HAVE BEENREMOVED FROM DATASET. COLLECTION DATES DEPICTED ON FIGURE RANGE FROMFEBRUARY 2015 TO OCTOBER 2017. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON SEPTEMBER 12,2017. AERIAL WAS COLLECTED ON OCTOBER 8, 2016. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83). WATER SUPPLY WELL SAMPLED BY NCDEQ BETWEEN FEBRUARY 2015 AND OCTOBER2015. FIGURE 11-48ISOCONCENTRATION MAPSULFATE IN BEDROCK GROUNDWATERMARSHALL STEAM STATIONDUKE ENERGY CAROLINAS, LLCTERRELL, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: T. PLATINGCHECKED BY: B. WILKER DATE: 01/25/2018 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Marshall\Mapdocs\CSA_Supplement_2\Marshall - Isoconcentration Maps.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET &<MONITORING W ELL &<MONITORING WELL IN ASH PORE W ATER &<BACKGROUND MONITORING W ELL WATER SUPPLY W ELL ASH BASIN WASTE BOUNDARY ASH BASIN COMPLIANCE BOUNDARY LANDFILL BOUNDARY STRUCTURAL FILL BOUNDARY LANDFILL COMPLIANCE BOUNDARY DUKE ENERGY CAROLINAS MARSHALL PLANTSITE BOUNDARY <STREAM (AMEC NRTR 2015) LEGEND NOT DETECTED ABOVE REPORTING LIMITND SULFATE CONCENTRATION (mg/L)1 NOT SAMPLEDNS NORTH CAROLINA 2L CONTOUR PBTV CONTOUR INTERMEDIATE CONTOUR <<<<<<<<<<<<<<<<<&< &< &<&<&< &< &< &< &< &< &< &<&< &<&< &< &<&< &< &<&< &< &<&< &< &< &<&< &< &< &< &< &< &< &< &< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< ASH BASIN LAKE NORMAN ASH BASIN FGDRESIDUELANDFILL PV STRUCTURALFILL INDUSTRIALLANDFILL #1 C&DLANDFILL ASH LANDFILL(PHASE II) ASHLANDFILL(PHASE I) ASBESTOSLANDFILL ACCESS ROADSTRUCTURAL FILL 14050050 AB-1S582 AB-2S59 AB-3S875 AB-4S*107AB-4SL*140 AB-6S*1080 AB-7S*2810 AB-8S*423 AB-9S46 AB-10S*1760 AB-10SL*1260AB-12S*5100 AB-12SL*581 AB-13S*356 AB-14S*160 AB-15S*577 AB-15SL420 AB-16S135 AB-17S*1180 AB-18S*340 AB-20S*6120 D6 AB-21S*1480 AL-1S510 AL-2S1950 AL-3S*4550 BG-1S56 D6 BG-2S96 BG-3S124 GWA-1S57GWA-2S81 GWA-3S82 GWA-4S64 D6 GWA-5S45 GWA-6S48 D6 GWA-7S92 GWA-8S54 D6 GWA-10S118 GWA-11S511 GWA-12S32 GWA-13S28 GWA-14S38 GWA-15S542 MS-868 MS-971 MS-1147 MS-1356 MS-1457 MS-15103 MW-1304 MW-2299 MW-337 MW-436 MW-526 MW-6S179 MW-7S574 MW-8S474 MW-9S375 MW-11S44 MW-12S26 MW-13S74 MW-14S550 OB-1 (Ash Basin)628 CCR-1S57 CCR-2S29 CCR-4S187 CCR-5S246 CCR-9S448CCR-11S493 CCR-12S410 CCR-13S555 CCR-14S630 CCR-15S36 AB-5S*2820 AB-11SND MS-10ND MS-12ND MW-10SND CCR-3SND MARSHALL RDBEATTY RDGREENWOOD RD S H E R R IL L S F O R D R D NOTES:THE NORTH CAROLINA 2L FOR TOTAL DISSOLVED SOLIDS IS 500 mg/L. PROVISIONAL BACKGROUND THRESHOLD VALUE IS 140 mg/L. DASHED CONTOURS WHERE INFERRED. * ASH PORE WATER DATA USED TO INFER GROUNDWATER CONCENTRATIONS IN THEABSENCE OF SHALLOW FLOW ZONE DATA. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. † CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC PBTV BUT W ITHIN THEBACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGICSETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENTMIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THEASH BASIN. CONCENTRATIONS REPORTED ON FIGURE REPRESENT MOST RECENT VALIDSAMPLE RESULTS FOR EACH WELL. DATA WITH HIGH TURBIDITY (>10 NTU) ORRESULTS THAT INDICATE GROUT CONTAMINATION OF THE W ELL (PH>8.5) HAVE BEENREMOVED FROM DATASET. COLLECTION DATES DEPICTED ON FIGURE RANGE FROMFEBRUARY 2015 TO OCTOBER 2017. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON SEPTEMBER 12,2017. AERIAL WAS COLLECTED ON OCTOBER 8, 2016. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83). FIGURE 11-49ISOCONCENTRATION MAPTOTAL DISSOLVED SOLIDS IN SHALLOWGROUNDWATERMARSHALL STEAM STATIONDUKE ENERGY CAROLINAS, LLCTERRELL, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: T. PLATINGCHECKED BY: B. WILKER DATE: 01/25/2018 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Marshall\Mapdocs\CSA_Supplement_2\Marshall - Isoconcentration Maps.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET &<MONITORING W ELL &<MONITORING WELL IN ASH PORE W ATER &<BACKGROUND MONITORING W ELL WATER SUPPLY W ELL ASH BASIN WASTE BOUNDARY ASH BASIN COMPLIANCE BOUNDARY LANDFILL BOUNDARY STRUCTURAL FILL BOUNDARY LANDFILL COMPLIANCE BOUNDARY DUKE ENERGY CAROLINAS MARSHALL PLANTSITE BOUNDARY <STREAM (AMEC NRTR 2015) LEGEND NOT DETECTED ABOVE REPORTING LIMITND TOTAL DISSOLVED SOLIDS CONCENTRATION (mg/L)1 NOT SAMPLEDNS NORTH CAROLINA 2L CONTOUR PBTV CONTOUR INTERMEDIATE CONTOUR <<<<<<<<<<<<<<<<<&< &<&<&< &< &<&< &< &< &< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< ASH BASIN LAKE NORMAN ASH BASIN FGDRESIDUELANDFILL PV STRUCTURALFILL INDUSTRIALLANDFILL #1 C&DLANDFILL ASH LANDFILL(PHASE II) ASHLANDFILL(PHASE I) ASBESTOSLANDFILL ACCESS ROADSTRUCTURAL FILL 183183500100AB-1D492 AB-2D375 AB-3D276 AB-4D132AB-5D325 AB-6D331 AB-7D121 AB-8D266 AB-9D133 AB-10D313 AB-11D98 AB-12D767 AB-13D209 AB-14D142 AB-16D201 AB-17D83 AB-18D90 AB-21D179 AL-1D603 AL-2D1480 AL-3D744 AL-4D1500 BG-1D113 BG-3D154 GWA-1D420 GWA-3D80 GWA-4D181 GWA-5D41 GWA-7D126 GWA-10D414 GWA-11D273 GWA-14D96 MS-1685 MW-6D297 MW-7D460 MW-8D341 MW-9D324 MW-10D66 MW-11D57 MW-12D64 MW-13D81 MW-14D380 CCR-1D58 CCR-2D38 CCR-3D215 CCR-4D185 CCR-5D160 CCR-9DA197CCR-11D508 CCR-12D93 CCR-13D324 CCR-14D551 CCR-15D113 CCR-16D131 MARSHALL RDBEATTY RDGREENWOOD RD S H E R R IL L S F O R D R D NOTES:THE NORTH CAROLINA 2L FOR TOTAL DISSOLVED SOLIDS IS 500 mg/L. PROVISIONAL BACKGROUND THRESHOLD VALUE IS 183 mg/L. DASHED CONTOURS WHERE INFERRED. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. † CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC PBTV BUT W ITHIN THEBACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGICSETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENTMIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THEASH BASIN. CONCENTRATIONS REPORTED ON FIGURE REPRESENT MOST RECENT VALIDSAMPLE RESULTS FOR EACH WELL. DATA WITH HIGH TURBIDITY (>10 NTU) ORRESULTS THAT INDICATE GROUT CONTAMINATION OF THE W ELL (PH>8.5) HAVE BEENREMOVED FROM DATASET. COLLECTION DATES DEPICTED ON FIGURE RANGE FROMFEBRUARY 2015 TO OCTOBER 2017. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON SEPTEMBER 12,2017. AERIAL WAS COLLECTED ON OCTOBER 8, 2016. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83). FIGURE 11-50ISOCONCENTRATION MAPTOTAL DISSOLVED SOLIDS IN DEEP GROUNDWATERMARSHALL STEAM STATIONDUKE ENERGY CAROLINAS, LLCTERRELL, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: T. PLATINGCHECKED BY: B. WILKER DATE: 01/25/2018 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Marshall\Mapdocs\CSA_Supplement_2\Marshall - Isoconcentration Maps.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET &<MONITORING W ELL &<MONITORING WELL IN ASH PORE W ATER &<BACKGROUND MONITORING W ELL WATER SUPPLY W ELL ASH BASIN WASTE BOUNDARY ASH BASIN COMPLIANCE BOUNDARY LANDFILL BOUNDARY STRUCTURAL FILL BOUNDARY LANDFILL COMPLIANCE BOUNDARY DUKE ENERGY CAROLINAS MARSHALL PLANTSITE BOUNDARY <STREAM (AMEC NRTR 2015) LEGEND NOT DETECTED ABOVE REPORTING LIMITND TOTAL DISSOLVED SOLIDS CONCENTRATION (mg/L)1 NOT SAMPLEDNS NORTH CAROLINA 2L CONTOUR PBTV CONTOUR INTERMEDIATE CONTOUR <<<<<<<<<<<<<<<<<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &<&< ASH BASIN LAKE NORMAN ASH BASIN FGDRESIDUELANDFILL PV STRUCTURALFILL INDUSTRIALLANDFILL #1 C&DLANDFILL ASH LANDFILL(PHASE II) ASHLANDFILL(PHASE I) ASBESTOSLANDFILL ACCESS ROADSTRUCTURAL FILL 216500AB-1BR539 AB-5BR481 AB-9BR180 AB-10BR372 AB-12BR359 AB-15BR280 AL-1BR415 AL-2BR413 AL-4BR348 BG-1BRA147 BG-2BR141 BG-3BR169 GWA-1BR171 GWA-6D76 GWA-8D73 GWA-9BR104 GWA-12BR111 MR158 MR1065 MR1171 MR1293 MR1385 MR1438 MR16140 MR1746 MR1882 MR20107 MR2126 MR2255 MR23194 MR25108 MR2666 MR2959 MR3168 MR3274 MR3357 MR3596 MR3675 MR37†2040 MR38†224 MR4200 MR4097 MR4247 MR4390 MR4493 MR4565 MR4750 MR4849 MR6103 MR898 MR983 MW-4D65 MW-14BR173 AL-2BRLL1060 AL-2BRLNS MARSHALL RDBEATTY RDGREENWOOD RDSHERRILLS FORD RDNOTES:THE NORTH CAROLINA 2L FOR TOTAL DISSOLVED SOLIDS IS 500 mg/L. PROVISIONAL BACKGROUND THRESHOLD VALUE IS 216 mg/L. DASHED CONTOURS WHERE INFERRED. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. † CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC PBTV BUT W ITHIN THEBACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGICSETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENTMIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THEASH BASIN. CONCENTRATIONS REPORTED ON FIGURE REPRESENT MOST RECENT VALIDSAMPLE RESULTS FOR EACH WELL. DATA WITH HIGH TURBIDITY (>10 NTU) ORRESULTS THAT INDICATE GROUT CONTAMINATION OF THE W ELL (PH>8.5) HAVE BEENREMOVED FROM DATASET. COLLECTION DATES DEPICTED ON FIGURE RANGE FROMFEBRUARY 2015 TO OCTOBER 2017. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON SEPTEMBER 12,2017. AERIAL WAS COLLECTED ON OCTOBER 8, 2016. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83). WATER SUPPLY WELL SAMPLED BY NCDEQ BETWEEN FEBRUARY 2015 AND OCTOBER2015. FIGURE 11-51ISOCONCENTRATION MAPTOTAL DISSOLVED SOLIDS IN BEDROCKGROUNDWATERMARSHALL STEAM STATIONDUKE ENERGY CAROLINAS, LLCTERRELL, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: T. PLATINGCHECKED BY: B. WILKER DATE: 01/25/2018 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Marshall\Mapdocs\CSA_Supplement_2\Marshall - Isoconcentration Maps.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET &<MONITORING W ELL &<MONITORING WELL IN ASH PORE W ATER &<BACKGROUND MONITORING W ELL WATER SUPPLY W ELL ASH BASIN WASTE BOUNDARY ASH BASIN COMPLIANCE BOUNDARY LANDFILL BOUNDARY STRUCTURAL FILL BOUNDARY LANDFILL COMPLIANCE BOUNDARY DUKE ENERGY CAROLINAS MARSHALL PLANTSITE BOUNDARY <STREAM (AMEC NRTR 2015) LEGEND NOT DETECTED ABOVE REPORTING LIMITND TOTAL DISSOLVED SOLIDS CONCENTRATION (mg/L)1 NOT SAMPLEDNS NORTH CAROLINA 2L CONTOUR PBTV CONTOUR INTERMEDIATE CONTOUR <<<<<<<<<<<<<<<<<&< &< &<&<&< &< &< &< &< &< &< &<&< &<&< &< &< &<&< &< &<&< &< &<&< &< &< &<&< &< &< &< &< &< &< &< &< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< ASH BASIN LAKE NORMAN ASH BASIN FGDRESIDUELANDFILL PV STRUCTURALFILL INDUSTRIALLANDFILL #1 C&DLANDFILL ASH LANDFILL(PHASE II) ASHLANDFILL(PHASE I) ASBESTOSLANDFILL ACCESS ROADSTRUCTURAL FILL 0.10.10.2 AB-1S0.42 AB-2S0.17 AB-3S3.2 AB-4S*0.44AB-5S*0.54 AB-6S*0.4 AB-7S*4 AB-8S*1 AB-9S0.046 j AB-10S*0.16 AB-10SL*0.021 j AB-12S*0.13 AB-13S*0.77 j AB-15S*0.13 AB-15SL0.024 jAB-20S*28.2 AB-21S*0.11 AL-1S0.19 AL-3S*3.7 BG-1S0.022 j GWA-1S0.016 jGWA-2S†0.17 GWA-12S0.081 j GWA-13S0.052 j GWA-14S0.049 j GWA-15S0.015 j MS-110.019 j MS-120.043 j MW-10.027 j MW-30.071 j MW-6S0.19 MW-7S0.48 MW-9S0.12 CCR-1S0.044 j CCR-2S0.12 CCR-3S0.035 j CCR-4S0.61 CCR-9S0.24CCR-11S3.1 CCR-12S0.76 CCR-13S0.35 CCR-14S0.15 AB-4SL*ND AB-11SND AB-12SL*ND AB-14S*ND AB-16SND AB-17S*ND AB-18S*ND AL-2SND BG-2SND BG-3SND GWA-3SND GWA-4SND GWA-5SND GWA-6SND GWA-7SND GWA-8SND GWA-10SND GWA-11SND MS-8ND MS-9NDMS-10ND MS-13ND MS-14ND MS-15ND MW-2ND MW-4ND MW-5ND MW-8SND MW-10SND MW-11SND MW-12SND MW-13SND MW-14SND OB-1 (Ash Basin)ND CCR-5SND CCR-15SND MARSHALL RDBEATTY RDGREENWOOD RD S H E R R IL L S F O R D R D NOTES:THE INTERIM MAXIMUM ALLOWABLE CONCENTRATION (IMAC) FOR THALLIUM IS 0.2μg/L. PROVISIONAL BACKGROUND THRESHOLD VALUE IS 0.1 µg/L. DASHED CONTOURS WHERE INFERRED. * ASH PORE WATER DATA USED TO INFER GROUNDWATER CONCENTRATIONS IN THEABSENCE OF SHALLOW FLOW ZONE DATA. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. † CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC PBTV BUT W ITHIN THEBACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGICSETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENTMIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THEASH BASIN. CONCENTRATIONS REPORTED ON FIGURE REPRESENT MOST RECENT VALIDSAMPLE RESULTS FOR EACH WELL. DATA WITH HIGH TURBIDITY (>10 NTU) ORRESULTS THAT INDICATE GROUT CONTAMINATION OF THE W ELL (PH>8.5) HAVE BEENREMOVED FROM DATASET. COLLECTION DATES DEPICTED ON FIGURE RANGE FROMFEBRUARY 2015 TO OCTOBER 2017. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON SEPTEMBER 12,2017. AERIAL WAS COLLECTED ON OCTOBER 8, 2016. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83). FIGURE 11-52ISOCONCENTRATION MAPTHALLIUM IN SHALLOW GROUNDWATERMARSHALL STEAM STATIONDUKE ENERGY CAROLINAS, LLCTERRELL, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: T. PLATINGCHECKED BY: B. WILKER DATE: 01/25/2018 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Marshall\Mapdocs\CSA_Supplement_2\Marshall - Isoconcentration Maps.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET &<MONITORING W ELL &<MONITORING WELL IN ASH PORE W ATER &<BACKGROUND MONITORING W ELL WATER SUPPLY W ELL ASH BASIN WASTE BOUNDARY ASH BASIN COMPLIANCE BOUNDARY LANDFILL BOUNDARY STRUCTURAL FILL BOUNDARY LANDFILL COMPLIANCE BOUNDARY DUKE ENERGY CAROLINAS MARSHALL PLANTSITE BOUNDARY <STREAM (AMEC NRTR 2015) LEGEND NOT DETECTED ABOVE REPORTING LIMITND TOTAL THALLIUM CONCENTRATION (μg/L)1 NOT SAMPLEDNS IMAC CONTOUR PBTV CONTOUR INTERMEDIATE CONTOUR <<<<<<<<<<<<<<<<<&< &<&<&< &< &<&< &< &< &< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< ASH BASIN LAKE NORMAN ASH BASIN FGDRESIDUELANDFILL PV STRUCTURALFILL INDUSTRIALLANDFILL #1 C&DLANDFILL ASH LANDFILL(PHASE II) ASHLANDFILL(PHASE I) ASBESTOSLANDFILL ACCESS ROADSTRUCTURAL FILL 0.10.1 0.2AB-3D0.025 jAB-5D0.15 AB-9D0.038 j AB-12D0.063 j AL-2D0.068 j AL-4D0.081 j GWA-1D0.019 j GWA-7D0.016 j GWA-14D0.063 j MW-6D0.018 j MW-9D0.018 j CCR-1D0.028 j CCR-11D0.24 CCR-14D0.032 j AB-1DND AB-2DND AB-4DND AB-6DND AB-7DND AB-8DND AB-10DND AB-11DND AB-13DND AB-14DND AB-16DND AB-17DND AB-18DND AB-21DND AL-1DND AL-3DND BG-1DND BG-3DND GWA-3DND GWA-4DND GWA-5DND GWA-10DND GWA-11DND MS-16ND MW-7DND MW-8DND MW-10DND MW-11DND MW-12DND MW-13DND MW-14DND CCR-2DND CCR-3DND CCR-4DND CCR-5DND CCR-9DAND CCR-12DND CCR-13DND CCR-15DND CCR-16DND MARSHALL RDBEATTY RDGREENWOOD RD S H E R R IL L S F O R D R D NOTES:THE INTERIM MAXIMUM ALLOWABLE CONCENTRATION (IMAC) FOR THALLIUM IS 0.2μg/L. PROVISIONAL BACKGROUND THRESHOLD VALUE IS 0.1 µg/L. DASHED CONTOURS WHERE INFERRED. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. † CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC PBTV BUT W ITHIN THEBACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGICSETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENTMIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THEASH BASIN. CONCENTRATIONS REPORTED ON FIGURE REPRESENT MOST RECENT VALIDSAMPLE RESULTS FOR EACH WELL. DATA WITH HIGH TURBIDITY (>10 NTU) ORRESULTS THAT INDICATE GROUT CONTAMINATION OF THE W ELL (PH>8.5) HAVE BEENREMOVED FROM DATASET. COLLECTION DATES DEPICTED ON FIGURE RANGE FROMFEBRUARY 2015 TO OCTOBER 2017. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON SEPTEMBER 12,2017. AERIAL WAS COLLECTED ON OCTOBER 8, 2016. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83). FIGURE 11-53ISOCONCENTRATION MAPTHALLIUM IN DEEP GROUNDWATERMARSHALL STEAM STATIONDUKE ENERGY CAROLINAS, LLCTERRELL, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: T. PLATINGCHECKED BY: B. WILKER DATE: 01/25/2018 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Marshall\Mapdocs\CSA_Supplement_2\Marshall - Isoconcentration Maps.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET &<MONITORING W ELL &<MONITORING WELL IN ASH PORE W ATER &<BACKGROUND MONITORING W ELL WATER SUPPLY W ELL ASH BASIN WASTE BOUNDARY ASH BASIN COMPLIANCE BOUNDARY LANDFILL BOUNDARY STRUCTURAL FILL BOUNDARY LANDFILL COMPLIANCE BOUNDARY DUKE ENERGY CAROLINAS MARSHALL PLANTSITE BOUNDARY <STREAM (AMEC NRTR 2015) LEGEND NOT DETECTED ABOVE REPORTING LIMITND TOTAL THALLIUM CONCENTRATION (μg/L)1 NOT SAMPLEDNS IMAC CONTOUR PBTV CONTOUR INTERMEDIATE CONTOUR <<<<<<<<<<<<<<<<<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &<&< ASH BASIN LAKE NORMAN ASH BASIN FGDRESIDUELANDFILL PV STRUCTURALFILL INDUSTRIALLANDFILL #1 C&DLANDFILL ASH LANDFILL(PHASE II) ASHLANDFILL(PHASE I) ASBESTOSLANDFILL ACCESS ROADSTRUCTURAL FILL AB-5BR0.064 j AB-12BR0.057 j AL-1BR0.018 j AL-4BR0.026 j AL-2BRLL0.031 j AB-1BRND AB-9BRND AB-10BRND AB-15BRND AL-2BRND BG-1BRAND BG-2BRND BG-3BRND GWA-1BRND GWA-6DND GWA-8DND GWA-9BRND GWA-12BRND MR1ND MR10ND MR11ND MR12ND MR13ND MR14ND MR16ND MR17ND MR18ND MR20ND MR21ND MR22ND MR23NDMR25ND MR26ND MR29ND MR31ND MR32ND MR33ND MR35ND MR36ND MR37NDMR38ND MR4ND MR40ND MR42NDMR43ND MR44ND MR45ND MR47ND MR48ND MR6ND MR8ND MR9ND MW-4DND MW-14BRND AL-2BRLNS MARSHALL RDBEATTY RDGREENWOOD RDSHERRILLS FORD RDNOTES:THE INTERIM MAXIMUM ALLOWABLE CONCENTRATION (IMAC) FOR THALLIUM IS 0.2μg/L. PROVISIONAL BACKGROUND THRESHOLD VALUE IS 0.1 µg/L. DASHED CONTOURS WHERE INFERRED. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. † CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC PBTV BUT W ITHIN THEBACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGICSETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENTMIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THEASH BASIN. CONCENTRATIONS REPORTED ON FIGURE REPRESENT MOST RECENT VALIDSAMPLE RESULTS FOR EACH WELL. DATA WITH HIGH TURBIDITY (>10 NTU) ORRESULTS THAT INDICATE GROUT CONTAMINATION OF THE W ELL (PH>8.5) HAVE BEENREMOVED FROM DATASET. COLLECTION DATES DEPICTED ON FIGURE RANGE FROMFEBRUARY 2015 TO OCTOBER 2017. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON SEPTEMBER 12,2017. AERIAL WAS COLLECTED ON OCTOBER 8, 2016. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83). WATER SUPPLY WELL SAMPLED BY NCDEQ BETWEEN FEBRUARY 2015 AND OCTOBER2015. FIGURE 11-54ISOCONCENTRATION MAPTHALLIUM IN BEDROCK GROUNDWATERMARSHALL STEAM STATIONDUKE ENERGY CAROLINAS, LLCTERRELL, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: T. PLATINGCHECKED BY: B. WILKER DATE: 01/25/2018 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Marshall\Mapdocs\CSA_Supplement_2\Marshall - Isoconcentration Maps.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET &<MONITORING W ELL &<MONITORING WELL IN ASH PORE W ATER &<BACKGROUND MONITORING W ELL WATER SUPPLY W ELL ASH BASIN WASTE BOUNDARY ASH BASIN COMPLIANCE BOUNDARY LANDFILL BOUNDARY STRUCTURAL FILL BOUNDARY LANDFILL COMPLIANCE BOUNDARY DUKE ENERGY CAROLINAS MARSHALL PLANTSITE BOUNDARY <STREAM (AMEC NRTR 2015) LEGEND NOT DETECTED ABOVE REPORTING LIMITND TOTAL THALLIUM CONCENTRATION (μg/L)1 NOT SAMPLEDNS IMAC CONTOUR PBTV CONTOUR INTERMEDIATE CONTOUR <<<<<<<<<<<<<<<<<&< &< &<&<&< &< &< &< &< &< &< &<&< &<&< &< &< &<&< &< &<&< &< &<&< &< &< &<&< &< &< &< &< &< &< &< &< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< ASH BASIN LAKE NORMAN ASH BASIN FGDRESIDUELANDFILL PV STRUCTURALFILL INDUSTRIALLANDFILL #1 C&DLANDFILL ASH LANDFILL(PHASE II) ASHLANDFILL(PHASE I) ASBESTOSLANDFILL ACCESS ROADSTRUCTURAL FILL 5.65.65 .6 5 .65.6AB-1S0.55 B AB-2S0.1 j,B AB-3S0.092 j AB-4S*1.9 AB-4SL*2.4 j AB-5S*6.4 AB-6S*5.5 AB-7S*10.5 AB-8S*0.89 AB-9S0.19 j AB-10S*0.66 B AB-10SL*7.3 AB-11S0.48 AB-12S*0.97 AB-12SL*0.71 AB-13S*13 AB-14S*5.2 AB-15S*1.2 B AB-15SL0.84 B AB-16S2.2 AB-17S*6.9 AB-18S*5.4 AB-20S*136 AB-21S*0.4 AL-1S0.98 AL-2S1.4 AL-3S*241 BG-2S†9.9 BG-3S†9.2 GWA-1S0.55GWA-2S0.25 j GWA-3S0.9 GWA-4S0.82 GWA-5S1.4 GWA-6S0.68 GWA-7S1.1 GWA-8S3.5 GWA-10S3.3 GWA-11S0.89 B GWA-12S0.12 j GWA-14S1.6 GWA-15S0.44 MS-84.6 MS-92.4 MS-100.29 j MS-110.29 j MS-120.17 j MS-130.48 MS-142.4 MS-155 MW-10.94 MW-21.1 B MW-30.26 j MW-41.15 MW-50.79 B MW-6S0.16 j MW-7S0.17 j,B MW-8S0.74 B MW-9S1.8 MW-11S2.48 MW-12S0.614 MW-13S5.52 MW-14S1.78 OB-1 (Ash Basin)0.5 B BG-1SND GWA-13SND MW-10SND MARSHALL RDBEATTY RDGREENWOOD RD S H E R R IL L S F O R D R D NOTES:THE INTERIM MAXIMUM ALLOWABLE CONCENTRATION (IMAC) FOR VANADIUM IS 0.3μg/L. PROVISIONAL BACKGROUND THRESHOLD VALUE IS 5.6 µg/L. DASHED CONTOURS WHERE INFERRED. * ASH PORE WATER DATA USED TO INFER GROUNDWATER CONCENTRATIONS IN THEABSENCE OF SHALLOW FLOW ZONE DATA. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. † CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC PBTV BUT W ITHIN THEBACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGICSETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENTMIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THEASH BASIN. CONCENTRATIONS REPORTED ON FIGURE REPRESENT MOST RECENT VALIDSAMPLE RESULTS FOR EACH WELL. DATA WITH HIGH TURBIDITY (>10 NTU) ORRESULTS THAT INDICATE GROUT CONTAMINATION OF THE W ELL (PH>8.5) HAVE BEENREMOVED FROM DATASET. COLLECTION DATES DEPICTED ON FIGURE RANGE FROMFEBRUARY 2015 TO OCTOBER 2017. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON SEPTEMBER 12,2017. AERIAL WAS COLLECTED ON OCTOBER 8, 2016. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83). FIGURE 11-55ISOCONCENTRATION MAPVANADIUM IN SHALLOW GROUNDWATERMARSHALL STEAM STATIONDUKE ENERGY CAROLINAS, LLCTERRELL, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: T. PLATINGCHECKED BY: B. WILKER DATE: 01/25/2018 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Marshall\Mapdocs\CSA_Supplement_2\Marshall - Isoconcentration Maps.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET &<MONITORING W ELL &<MONITORING WELL IN ASH PORE W ATER &<BACKGROUND MONITORING W ELL WATER SUPPLY W ELL ASH BASIN WASTE BOUNDARY ASH BASIN COMPLIANCE BOUNDARY LANDFILL BOUNDARY STRUCTURAL FILL BOUNDARY LANDFILL COMPLIANCE BOUNDARY DUKE ENERGY CAROLINAS MARSHALL PLANTSITE BOUNDARY <STREAM (AMEC NRTR 2015) LEGEND NOT DETECTED ABOVE REPORTING LIMITND TOTAL VANADIUM CONCENTRATION (μg/L)1 NOT SAMPLEDNS IMAC CONTOUR PBTV CONTOUR INTERMEDIATE CONTOUR <<<<<<<<<<<<<<<<<&< &<&<&< &< &<&< &< &< &< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< ASH BASIN LAKE NORMAN ASH BASIN FGDRESIDUELANDFILL PV STRUCTURALFILL INDUSTRIALLANDFILL #1 C&DLANDFILL ASH LANDFILL(PHASE II) ASHLANDFILL(PHASE I) ASBESTOSLANDFILL ACCESS ROADSTRUCTURAL FILL 3.83.83 .8 AB-1D0.78 B AB-2D0.3 B AB-3D2.3 AB-5D0.78 AB-6D0.16 j,B AB-7D8 AB-9D0.1 j AB-10D1 B AB-11D0.8 AB-12D0.55 AB-14D1.6 AB-16D0.11 j,B AB-17D4.3 AB-18D2.4 AB-21D0.57 AL-1D0.82 AL-2D1.2 AL-3D0.81 B AL-4D3.1 BG-1D3.6 BG-3D†25.6 GWA-1D1.7 GWA-3D1.7 GWA-4D0.76 GWA-5D1.6 GWA-7D4.1 GWA-10D1 GWA-11D2.2 GWA-14D†4 MS-16†4.1 MW-6D0.42 MW-8D0.14 j,B MW-9D0.49 MW-10D3.18 MW-11D†15.3 MW-12D0.834 MW-13D†5.42 MW-14D0.374 AB-4DND AB-8DND AB-13DND MW-7DND MARSHALL RDBEATTY RDGREENWOOD RD S H E R R IL L S F O R D R D NOTES:THE INTERIM MAXIMUM ALLOWABLE CONCENTRATION (IMAC) FOR VANADIUM IS 0.3μg/L. PROVISIONAL BACKGROUND THRESHOLD VALUE IS 3.8 µg/L. DASHED CONTOURS WHERE INFERRED. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. † CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC PBTV BUT W ITHIN THEBACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGICSETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENTMIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THEASH BASIN. CONCENTRATIONS REPORTED ON FIGURE REPRESENT MOST RECENT VALIDSAMPLE RESULTS FOR EACH WELL. DATA WITH HIGH TURBIDITY (>10 NTU) ORRESULTS THAT INDICATE GROUT CONTAMINATION OF THE W ELL (PH>8.5) HAVE BEENREMOVED FROM DATASET. COLLECTION DATES DEPICTED ON FIGURE RANGE FROMFEBRUARY 2015 TO OCTOBER 2017. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON SEPTEMBER 12,2017. AERIAL WAS COLLECTED ON OCTOBER 8, 2016. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83). FIGURE 11-56ISOCONCENTRATION MAPVANADIUM IN DEEP GROUNDWATERMARSHALL STEAM STATIONDUKE ENERGY CAROLINAS, LLCTERRELL, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: T. PLATINGCHECKED BY: B. WILKER DATE: 01/25/2018 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Marshall\Mapdocs\CSA_Supplement_2\Marshall - Isoconcentration Maps.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET &<MONITORING W ELL &<MONITORING WELL IN ASH PORE W ATER &<BACKGROUND MONITORING W ELL WATER SUPPLY W ELL ASH BASIN WASTE BOUNDARY ASH BASIN COMPLIANCE BOUNDARY LANDFILL BOUNDARY STRUCTURAL FILL BOUNDARY LANDFILL COMPLIANCE BOUNDARY DUKE ENERGY CAROLINAS MARSHALL PLANTSITE BOUNDARY <STREAM (AMEC NRTR 2015) LEGEND NOT DETECTED ABOVE REPORTING LIMITND TOTAL VANADIUM CONCENTRATION (μg/L)1 NOT SAMPLEDNS IMAC CONTOUR PBTV CONTOUR INTERMEDIATE CONTOUR <<<<<<<<<<<<<<<<<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &<&< ASH BASIN LAKE NORMAN ASH BASIN FGDRESIDUELANDFILL PV STRUCTURALFILL INDUSTRIALLANDFILL #1 C&DLANDFILL ASH LANDFILL(PHASE II) ASHLANDFILL(PHASE I) ASBESTOSLANDFILL ACCESS ROADSTRUCTURAL FILL AB-1BR0.096 j,B AB-5BR0.077 j AB-10BR0.23 j,B AB-12BR0.15 j AB-15BR0.17 j,B AL-1BR1.1 AL-2BR2.9 AL-4BR3 BG-1BRA†17.2 BG-2BR15.3 BG-3BR†16 GWA-1BR4.5 GWA-6D1.5 GWA-8D3.9 GWA-9BR3.6 GWA-12BR0.16 j MR101.5 MR111 MR1212 MR132.8 MR141.1 MR172.6 MR181.8 MR202.8 MR232.6 MR252 MR262.9 MR292.9 MR314.7 MR322.2 MR331.7 MR352 MR401.5 MR433.9 MR445.1MR471.7 MR481.1 MR61.5 MR82.4 MR96.4 MW-4D2.78 MW-14BR3.4 AL-2BRLL0.59 B AB-9BRND MR1ND MR16ND MR21ND MR22ND MR36ND MR37NDMR38ND MR4ND MR42ND MR45ND AL-2BRLNS MARSHALL RDBEATTY RDGREENWOOD RDSHERRILLS FORD RDNOTES:THE INTERIM MAXIMUM ALLOWABLE CONCENTRATION (IMAC) FOR VANADIUM IS 0.3μg/L. PROVISIONAL BACKGROUND THRESHOLD VALUE IS 16 µg/L. DASHED CONTOURS WHERE INFERRED. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. † CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC PBTV BUT W ITHIN THEBACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGICSETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENTMIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THEASH BASIN. CONCENTRATIONS REPORTED ON FIGURE REPRESENT MOST RECENT VALIDSAMPLE RESULTS FOR EACH WELL. DATA WITH HIGH TURBIDITY (>10 NTU) ORRESULTS THAT INDICATE GROUT CONTAMINATION OF THE W ELL (PH>8.5) HAVE BEENREMOVED FROM DATASET. COLLECTION DATES DEPICTED ON FIGURE RANGE FROMFEBRUARY 2015 TO OCTOBER 2017. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON SEPTEMBER 12,2017. AERIAL WAS COLLECTED ON OCTOBER 8, 2016. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83). WATER SUPPLY WELL SAMPLED BY NCDEQ BETWEEN FEBRUARY 2015 AND OCTOBER2015. FIGURE 11-57ISOCONCENTRATION MAPVANADIUM IN BEDROCK GROUNDWATERMARSHALL STEAM STATIONDUKE ENERGY CAROLINAS, LLCTERRELL, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: T. PLATINGCHECKED BY: B. WILKER DATE: 01/25/2018 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Marshall\Mapdocs\CSA_Supplement_2\Marshall - Isoconcentration Maps.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET &<MONITORING W ELL &<MONITORING WELL IN ASH PORE W ATER &<BACKGROUND MONITORING W ELL WATER SUPPLY W ELL ASH BASIN WASTE BOUNDARY ASH BASIN COMPLIANCE BOUNDARY LANDFILL BOUNDARY STRUCTURAL FILL BOUNDARY LANDFILL COMPLIANCE BOUNDARY DUKE ENERGY CAROLINAS MARSHALL PLANTSITE BOUNDARY <STREAM (AMEC NRTR 2015) LEGEND NOT DETECTED ABOVE REPORTING LIMITND TOTAL VANADIUM CONCENTRATION (μg/L)1 NOT SAMPLEDNS IMAC CONTOUR PBTV CONTOUR INTERMEDIATE CONTOUR <<<<<<<<<<<<<<<<<&< &< &<&<&< &< &< &< &< &< &< &<&< &<&< &< &< &<&< &< &<&< &< &<&< &< &< &<&< &< &< &< &< &< &< &< &< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< ASH BASIN LAKE NORMAN ASH BASIN FGDRESIDUELANDFILL PV STRUCTURALFILL INDUSTRIALLANDFILL #1 C&DLANDFILL ASH LANDFILL(PHASE II) ASHLANDFILL(PHASE I) ASBESTOSLANDFILL ACCESS ROADSTRUCTURAL FILL AB-1S4.9 AB-2S5.3 AB-3S3.8 AB-4S*6.4 AB-4SL*8.4 AB-5S*3.2 AB-6S*7.0 AB-7S*6.6 AB-8S*5.4 AB-9S5.3 AB-10S*7.0 AB-10SL*8.2 AB-11S5.1 AB-12S*6.9 AB-12SL*7.3 AB-13S*6.4 AB-14S*6.6 AB-15S*6.8 AB-15SL6.5 AB-16S6.4 AB-17S*6.6 AB-18S*7.4 AB-20S*7.0 AB-21S*6.2 AL-1S4.4 AL-2S5.2 AL-3S*8.4 BG-1S5.4 BG-2S6.3 BG-3S6.2 GWA-1S5.2GWA-2S4.8 GWA-3S5.7 GWA-4S5.6 GWA-5S5.8 GWA-6S5.8 GWA-7S5.7 GWA-8S6.2 GWA-10S5.5 GWA-11S6.4 GWA-12S5.4 GWA-13S5.3 GWA-14S5.3 GWA-15S5.6 MS-84.9 MS-96.4 MS-104.7 MS-114.5 MS-124.6 MS-134.5 MS-145.9 MS-156.5 MW-15.4 MW-25.4 MW-34.9 MW-45.4 MW-55.4 MW-6S5.4 MW-7S4.3 MW-8S6.5 MW-9S6.7 MW-10S4.9 MW-11S5.9 MW-12S4.7 MW-13S6.2 MW-14S5.2 OB-1 (Ash Basin)5.4 CCR-1S5.4 CCR-2S5.2 CCR-3S4.8 CCR-4S4.5 CCR-5S6.4 CCR-9S4.2 CCR-11S4.0 CCR-12S4.4 CCR-13S6.4 CCR-14S4.8 CCR-15S5.6 MARSHALL RDBEATTY RDGREENWOOD RD S H E R R IL L S F O R D R D NOTES:THE NORTH CAROLINA 2L FOR pH IS 6.5-8.5 S.U. PROVISIONAL BACKGROUND THRESHOLD VALUE IS 4.6 - 6.4 S.U. DASHED CONTOURS WHERE INFERRED. * ASH PORE WATER DATA USED TO INFER GROUNDWATER CONCENTRATIONS IN THEABSENCE OF SHALLOW FLOW ZONE DATA. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. † CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC PBTV BUT W ITHIN THEBACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGICSETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENTMIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THEASH BASIN. CONCENTRATIONS REPORTED ON FIGURE REPRESENT MOST RECENT VALIDSAMPLE RESULTS FOR EACH WELL. DATA WITH HIGH TURBIDITY (>10 NTU) ORRESULTS THAT INDICATE GROUT CONTAMINATION OF THE W ELL (PH>8.5) HAVE BEENREMOVED FROM DATASET. COLLECTION DATES DEPICTED ON FIGURE RANGE FROMFEBRUARY 2015 TO OCTOBER 2017. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON SEPTEMBER 12,2017. AERIAL WAS COLLECTED ON OCTOBER 8, 2016. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83). FIGURE 11-58ISOCONCENTRATION MAPpH IN SHALLOW GROUNDWATERMARSHALL STEAM STATIONDUKE ENERGY CAROLINAS, LLCTERRELL, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: T. PLATINGCHECKED BY: B. WILKER DATE: 01/25/2018 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Marshall\Mapdocs\CSA_Supplement_2\Marshall - Isoconcentration Maps.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET &<MONITORING W ELL &<MONITORING WELL IN ASH PORE W ATER &<BACKGROUND MONITORING W ELL WATER SUPPLY W ELL ASH BASIN WASTE BOUNDARY ASH BASIN COMPLIANCE BOUNDARY LANDFILL BOUNDARY STRUCTURAL FILL BOUNDARY LANDFILL COMPLIANCE BOUNDARY DUKE ENERGY CAROLINAS MARSHALL PLANTSITE BOUNDARY <STREAM (AMEC NRTR 2015) LEGEND NOT DETECTED ABOVE REPORTING LIMITND pH CONCENTRATION (S.U.)1 NOT SAMPLEDNS NORTH CAROLINA 2L CONTOUR PBTV CONTOUR INTERMEDIATE CONTOUR <<<<<<<<<<<<<<<<<&< &<&<&< &< &<&< &< &< &< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< ASH BASIN LAKE NORMAN ASH BASIN FGDRESIDUELANDFILL PV STRUCTURALFILL INDUSTRIALLANDFILL #1 C&DLANDFILL ASH LANDFILL(PHASE II) ASHLANDFILL(PHASE I) ASBESTOSLANDFILL ACCESS ROADSTRUCTURAL FILL AB-1D6.0 AB-2D6.3 AB-3D6.0 AB-4D6.1 AB-5D5.7 AB-6D6.0 AB-7D6.1 AB-8D7.5 AB-9D6.6 AB-10D6.2 AB-11D6.1 AB-12D7.3 AB-13D7.4 AB-14D5.8 AB-16D6.9 AB-17D6.1 AB-18D5.8 AB-21D5.8 AL-1D5.5 AL-2D5.6 AL-3D6.6 AL-4D6.0 BG-1D6.1 BG-3D6.5 GWA-1D6.4 GWA-3D5.3 GWA-4D8.1 GWA-5D5.9 GWA-7D6.2 GWA-10D6.8 GWA-11D5.7 GWA-14D6.9 MS-165.9 MW-6D5.8 MW-7D7.2 MW-8D6.8 MW-9D5.7 MW-10D6.4 MW-11D6.5 MW-12D6.0 MW-13D5.8 MW-14D5.5 CCR-1D8.7 CCR-2D5.5 CCR-3D6.3 CCR-4D6.6 CCR-5D6.5 CCR-9DA9.1 CCR-11D5.3 CCR-12D5.6 CCR-13D5.9 CCR-14D5.5 CCR-15D6.1 CCR-16D6.3 MARSHALL RDBEATTY RDGREENWOOD RD S H E R R IL L S F O R D R D NOTES:THE NORTH CAROLINA 2L FOR pH IS 6.5-8.5 S.U. PROVISIONAL BACKGROUND THRESHOLD VALUE IS 5.7 - 6.9 S.U. DASHED CONTOURS WHERE INFERRED. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. † CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC PBTV BUT W ITHIN THEBACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGICSETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENTMIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THEASH BASIN. CONCENTRATIONS REPORTED ON FIGURE REPRESENT MOST RECENT VALIDSAMPLE RESULTS FOR EACH WELL. DATA WITH HIGH TURBIDITY (>10 NTU) ORRESULTS THAT INDICATE GROUT CONTAMINATION OF THE W ELL (PH>8.5) HAVE BEENREMOVED FROM DATASET. COLLECTION DATES DEPICTED ON FIGURE RANGE FROMFEBRUARY 2015 TO OCTOBER 2017. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON SEPTEMBER 12,2017. AERIAL WAS COLLECTED ON OCTOBER 8, 2016. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83). FIGURE 11-59ISOCONCENTRATION MAPpH IN DEEP GROUNDWATERMARSHALL STEAM STATIONDUKE ENERGY CAROLINAS, LLCTERRELL, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: T. PLATINGCHECKED BY: B. WILKER DATE: 01/25/2018 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Marshall\Mapdocs\CSA_Supplement_2\Marshall - Isoconcentration Maps.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET &<MONITORING W ELL &<MONITORING WELL IN ASH PORE W ATER &<BACKGROUND MONITORING W ELL WATER SUPPLY W ELL ASH BASIN WASTE BOUNDARY ASH BASIN COMPLIANCE BOUNDARY LANDFILL BOUNDARY STRUCTURAL FILL BOUNDARY LANDFILL COMPLIANCE BOUNDARY DUKE ENERGY CAROLINAS MARSHALL PLANTSITE BOUNDARY <STREAM (AMEC NRTR 2015) LEGEND NOT DETECTED ABOVE REPORTING LIMITND pH CONCENTRATION (S.U.)1 NOT SAMPLEDNS NORTH CAROLINA 2L CONTOUR PBTV CONTOUR INTERMEDIATE CONTOUR <<<<<<<<<<<<<<<<<&< &< &< &< &< &< &< &< &< &< &< &< &< &<&< &< &< &< &< &< &< ASH BASIN LAKE NORMAN ASH BASIN FGDRESIDUELANDFILL PV STRUCTURALFILL INDUSTRIALLANDFILL #1 C&DLANDFILL ASH LANDFILL(PHASE II) ASHLANDFILL(PHASE I) ASBESTOSLANDFILL ACCESS ROADSTRUCTURAL FILL AB-1BR6.3 AB-5BR5.8 AB-9BR7.0 AB-10BR6.9 AB-12BR8.1 AB-15BR7.3 AL-1BR6.1 AL-2BR6.8 AL-2BRL8.3 AL-4BR6.7 BG-1BRA7.0 BG-2BR6.8 BG-3BR6.6 GWA-1BR6.3 GWA-6D6.2 GWA-8D6.2 GWA-9BR6.6 GWA-12BR6.9 MR16.4 MR106.0 MR116.5 MR126.8 MR137.1 MR146.0 MR167.3 MR176.7 MR186.4 MR206.9 MR215.4 MR225.7 MR236.0 MR256.1 MR266.2 MR296.3 MR316.5 MR326.4 MR336.2 MR357.3 MR368.7 MR376.1MR385.8 MR47.1 MR406.4 MR425.9MR436.1 MR446.2 MR455.6 MR476.1 MR486.2 MR66.2 MR86.4 MW-4D6.1 MW-14BR6.2 AL-2BRLL7.4 MARSHALL RDBEATTY RDGREENWOOD RDSHERRILLS FORD RDNOTES:THE NORTH CAROLINA 2L FOR pH IS 6.5-8.5 S.U. PROVISIONAL BACKGROUND THRESHOLD VALUE IS 5.6 - 7.6 S.U. DASHED CONTOURS WHERE INFERRED. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. † CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC PBTV BUT W ITHIN THEBACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGICSETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENTMIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THEASH BASIN. CONCENTRATIONS REPORTED ON FIGURE REPRESENT MOST RECENT VALIDSAMPLE RESULTS FOR EACH WELL. DATA WITH HIGH TURBIDITY (>10 NTU) ORRESULTS THAT INDICATE GROUT CONTAMINATION OF THE W ELL (PH>8.5) HAVE BEENREMOVED FROM DATASET. COLLECTION DATES DEPICTED ON FIGURE RANGE FROMFEBRUARY 2015 TO OCTOBER 2017. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON SEPTEMBER 12,2017. AERIAL WAS COLLECTED ON OCTOBER 8, 2016. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83). WATER SUPPLY WELL SAMPLED BY NCDEQ BETWEEN FEBRUARY 2015 AND OCTOBER2015. FIGURE 11-60ISOCONCENTRATION MAPpH IN BEDROCK GROUNDWATERMARSHALL STEAM STATIONDUKE ENERGY CAROLINAS, LLCTERRELL, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: T. PLATINGCHECKED BY: B. WILKER DATE: 01/25/2018 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Marshall\Mapdocs\CSA_Supplement_2\Marshall - Isoconcentration Maps.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET &<MONITORING W ELL &<MONITORING WELL IN ASH PORE W ATER &<BACKGROUND MONITORING W ELL WATER SUPPLY W ELL ASH BASIN WASTE BOUNDARY ASH BASIN COMPLIANCE BOUNDARY LANDFILL BOUNDARY STRUCTURAL FILL BOUNDARY LANDFILL COMPLIANCE BOUNDARY DUKE ENERGY CAROLINAS MARSHALL PLANTSITE BOUNDARY <STREAM (AMEC NRTR 2015) LEGEND NOT DETECTED ABOVE REPORTING LIMITND pH CONCENTRATION (S.U.)1 NOT SAMPLEDNS NORTH CAROLINA 2L CONTOUR PBTV CONTOUR INTERMEDIATE CONTOUR <<<<<<<<<<<<<<<<<&< &< &<&<&< &< &< &< &< &< &< &<&< &<&< &< &< &<&< &< &<&< &< &<&< &< &< &<&< &< &< &< &< &< &< &< &< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< ASH BASIN LAKE NORMAN ASH BASIN FGDRESIDUELANDFILL PV STRUCTURALFILL INDUSTRIALLANDFILL #1 C&DLANDFILL ASH LANDFILL(PHASE II) ASHLANDFILL(PHASE I) ASBESTOSLANDFILL ACCESS ROADSTRUCTURAL FILL 650500 1000 600500650100300 5001000AB-1S1005 AB-2S35.4 AB-3S1079 AB-4S*172.2 AB-4SL*258.4 AB-5S*2237 AB-6S*1463 AB-7S*3058 AB-8S*598 AB-9S84.5 AB-10S*2227 AB-10SL*1618 AB-11S51.9 AB-12S*8728 AB-12SL*1098 AB-13S*621 AB-14S*2172 AB-15S*1037 AB-15SL625 AB-16S370.2 AB-17S*1673 AB-18S*644 AB-20S*5762 AB-21S*2618 AL-1S977 AL-2S2475 AL-3S*4675 BG-1S88.8 BG-2S145.3 BG-3S156 GWA-1S61.5GWA-2S152.6 GWA-3S72.9 GWA-4S63 GWA-5S25.8 GWA-6S50.1 GWA-7S146.4 GWA-8S83.1 GWA-10S161.8 GWA-11S651 GWA-12S36.1 GWA-13S25.5 GWA-14S29.4 GWA-15S772 MS-849.1 MS-990.1 MS-1020 MS-1141.5 MS-1229.2 MS-1361.3 MS-1461.4 MS-15172.9 MW-1540 MW-2418 MW-390.4 MW-452.8 MW-540 MW-6S317.7 MW-7S904 MW-8S837 MW-9S615 MW-10S18.6 MW-11S60.2 MW-12S27.4 MW-13S93.3 MW-14S835 OB-1 (Ash Basin)954 CCR-1S99.3 CCR-2S74.6 CCR-3S47.2 CCR-4S317.9 CCR-5S439.5 CCR-9S932 CCR-11S988CCR-12S857 CCR-13S1029 CCR-14S1089 CCR-15S35 MARSHALL RDBEATTY RDGREENWOOD RD S H E R R IL L S F O R D R D NOTES:NO NORTH CAROLINA 2L OR INTERIM MAXIMUM ALLOW ABLE CONCENTRATIONESTABLISHED FOR SPECIFIC CONDUCTANCE. NO PROVISIONAL BACKGROUND THRESHOLD VALUE IS DETERMINED. DASHED CONTOURS WHERE INFERRED. * ASH PORE WATER DATA USED TO INFER GROUNDWATER CONCENTRATIONS IN THEABSENCE OF SHALLOW FLOW ZONE DATA. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. † CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC PBTV BUT W ITHIN THEBACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGICSETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENTMIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THEASH BASIN. CONCENTRATIONS REPORTED ON FIGURE REPRESENT MOST RECENT VALIDSAMPLE RESULTS FOR EACH WELL. DATA WITH HIGH TURBIDITY (>10 NTU) ORRESULTS THAT INDICATE GROUT CONTAMINATION OF THE W ELL (PH>8.5) HAVE BEENREMOVED FROM DATASET. COLLECTION DATES DEPICTED ON FIGURE RANGE FROMFEBRUARY 2015 TO OCTOBER 2017. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON SEPTEMBER 12,2017. AERIAL WAS COLLECTED ON OCTOBER 8, 2016. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83). FIGURE 11-61ISOCONCENTRATION MAPSPECIFIC CONDUCTANCE IN SHALLOWGROUNDWATERMARSHALL STEAM STATIONDUKE ENERGY CAROLINAS, LLCTERRELL, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: T. PLATINGCHECKED BY: B. WILKER DATE: 01/25/2018 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Marshall\Mapdocs\CSA_Supplement_2\Marshall - Isoconcentration Maps.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET &<MONITORING W ELL &<MONITORING WELL IN ASH PORE W ATER &<BACKGROUND MONITORING W ELL WATER SUPPLY W ELL ASH BASIN WASTE BOUNDARY ASH BASIN COMPLIANCE BOUNDARY LANDFILL BOUNDARY STRUCTURAL FILL BOUNDARY LANDFILL COMPLIANCE BOUNDARY DUKE ENERGY CAROLINAS MARSHALL PLANTSITE BOUNDARY <STREAM (AMEC NRTR 2015) LEGEND NOT DETECTED ABOVE REPORTING LIMITND SPECIFIC CONDUCTANCE CONCENTRATION (μmhos/cm)1 NOT SAMPLEDNS NORTH CAROLINA 2L CONTOUR PBTV CONTOUR INTERMEDIATE CONTOUR <<<<<<<<<<<<<<<<<&< &<&<&< &< &<&< &< &< &< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< ASH BASIN LAKE NORMAN ASH BASIN FGDRESIDUELANDFILL PV STRUCTURALFILL INDUSTRIALLANDFILL #1 C&DLANDFILL ASH LANDFILL(PHASE II) ASHLANDFILL(PHASE I) ASBESTOSLANDFILL ACCESS ROADSTRUCTURAL FILL 5 0 0 10001 0 0 0 500AB-1D891 AB-2D516 AB-3D429.2 AB-4D170.1 AB-5D444.9 AB-6D498.7 AB-7D171.2 AB-8D416.1 AB-9D207.6 AB-10D541.4 AB-11D155.3 AB-12D1173 AB-13D336 AB-14D191.4 AB-16D317.7 AB-17D108.7 AB-18D132.4 AB-21D269.1 AL-1D1041 AL-2D1769 AL-3D925 AL-4D1741 BG-1D182.8 BG-3D234 GWA-1D574 GWA-3D102.6 GWA-4D298 GWA-5D49 GWA-7D199.9 GWA-10D569.8 GWA-11D368.3 GWA-14D99.8 MS-16109.1 MW-6D504.6 MW-7D671 MW-8D501 MW-9D457.3 MW-10D59.9 MW-11D54 MW-12D58.6 MW-13D98.3 MW-14D607 CCR-1D115.4 CCR-2D63.3 CCR-3D219.4 CCR-4D251.4 CCR-5D230.5 CCR-9DA313.8 CCR-11D102.3 CCR-12D133.5 CCR-13D395.9 CCR-14D809 CCR-15D150.1 CCR-16D185.6 MARSHALL RDBEATTY RDGREENWOOD RD S H E R R IL L S F O R D R D NOTES:NO NORTH CAROLINA 2L OR INTERIM MAXIMUM ALLOW ABLE CONCENTRATIONESTABLISHED FOR SPECIFIC CONDUCTANCE. NO PROVISIONAL BACKGROUND THRESHOLD VALUE IS DETERMINED. DASHED CONTOURS WHERE INFERRED. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. † CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC PBTV BUT W ITHIN THEBACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGICSETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENTMIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THEASH BASIN. CONCENTRATIONS REPORTED ON FIGURE REPRESENT MOST RECENT VALIDSAMPLE RESULTS FOR EACH WELL. DATA WITH HIGH TURBIDITY (>10 NTU) ORRESULTS THAT INDICATE GROUT CONTAMINATION OF THE W ELL (PH>8.5) HAVE BEENREMOVED FROM DATASET. COLLECTION DATES DEPICTED ON FIGURE RANGE FROMFEBRUARY 2015 TO OCTOBER 2017. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON SEPTEMBER 12,2017. AERIAL WAS COLLECTED ON OCTOBER 8, 2016. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83). FIGURE 11-62ISOCONCENTRATION MAPSPECIFIC CONDUCTANCE IN DEEP GROUNDWATERMARSHALL STEAM STATIONDUKE ENERGY CAROLINAS, LLCTERRELL, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: T. PLATINGCHECKED BY: B. WILKER DATE: 01/25/2018 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Marshall\Mapdocs\CSA_Supplement_2\Marshall - Isoconcentration Maps.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET &<MONITORING W ELL &<MONITORING WELL IN ASH PORE W ATER &<BACKGROUND MONITORING W ELL WATER SUPPLY W ELL ASH BASIN WASTE BOUNDARY ASH BASIN COMPLIANCE BOUNDARY LANDFILL BOUNDARY STRUCTURAL FILL BOUNDARY LANDFILL COMPLIANCE BOUNDARY DUKE ENERGY CAROLINAS MARSHALL PLANTSITE BOUNDARY <STREAM (AMEC NRTR 2015) LEGEND NOT DETECTED ABOVE REPORTING LIMITND SPECIFIC CONDUCTANCE CONCENTRATION (μmhos/cm)1 NOT SAMPLEDNS NORTH CAROLINA 2L CONTOUR PBTV CONTOUR INTERMEDIATE CONTOUR <<<<<<<<<<<<<<<<<&< &< &< &< &< &< &< &< &< &< &< &< &< &<&< &< &< &< &< &< &< ASH BASIN LAKE NORMAN ASH BASIN FGDRESIDUELANDFILL PV STRUCTURALFILL INDUSTRIALLANDFILL #1 C&DLANDFILL ASH LANDFILL(PHASE II) ASHLANDFILL(PHASE I) ASBESTOSLANDFILL ACCESS ROADSTRUCTURAL FILL 5 0 0 500AB-1BR885 AB-5BR671 AB-9BR278.4 AB-10BR641AB-12BR505.2 AB-15BR428.5 AL-1BR642 AL-2BR570 AL-2BRL557 AL-4BR460.7 BG-1BRA217.1 BG-2BR193.4 BG-3BR236.1 GWA-1BR215.2 GWA-6D124.5 GWA-8D88.8 GWA-9BR110.4 GWA-12BR139.4 MR163 MR1064.2 MR1186.9 MR1283 MR13116.5 MR1489.6 MR16191.6 MR1786.4 MR18104 MR20161.4 MR2142.2 MR2262.4 MR23270.3 MR25132.7 MR26100 MR2945.7 MR3157.4 MR32117.5 MR3361.7 MR35143.3 MR36136.3 MR3744.8MR3848.8 MR4387 MR40107.9 MR4256MR4379.1 MR44103.4 MR4561.3 MR4741.1 MR4855.1 MR6125.1 MR883 MW-4D80.2 MW-14BR241.9 AL-2BRLL1240 MARSHALL RDBEATTY RDGREENWOOD RDSHERRILLS FORD RDNOTES:NO NORTH CAROLINA 2L OR INTERIM MAXIMUM ALLOW ABLE CONCENTRATIONESTABLISHED FOR SPECIFIC CONDUCTANCE. NO PROVISIONAL BACKGROUND THRESHOLD VALUE IS DETERMINED. DASHED CONTOURS WHERE INFERRED. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. † CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC PBTV BUT W ITHIN THEBACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGICSETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENTMIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THEASH BASIN. CONCENTRATIONS REPORTED ON FIGURE REPRESENT MOST RECENT VALIDSAMPLE RESULTS FOR EACH WELL. DATA WITH HIGH TURBIDITY (>10 NTU) ORRESULTS THAT INDICATE GROUT CONTAMINATION OF THE W ELL (PH>8.5) HAVE BEENREMOVED FROM DATASET. COLLECTION DATES DEPICTED ON FIGURE RANGE FROMFEBRUARY 2015 TO OCTOBER 2017. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON SEPTEMBER 12,2017. AERIAL WAS COLLECTED ON OCTOBER 8, 2016. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83). WATER SUPPLY WELL SAMPLED BY NCDEQ BETWEEN FEBRUARY 2015 AND OCTOBER2015. FIGURE 11-63ISOCONCENTRATION MAPSPECIFIC CONDUCTANCE IN BEDROCKGROUNDWATERMARSHALL STEAM STATIONDUKE ENERGY CAROLINAS, LLCTERRELL, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: T. PLATINGCHECKED BY: B. WILKER DATE: 01/25/2018 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Marshall\Mapdocs\CSA_Supplement_2\Marshall - Isoconcentration Maps.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET &<MONITORING W ELL &<MONITORING WELL IN ASH PORE W ATER &<BACKGROUND MONITORING W ELL WATER SUPPLY W ELL ASH BASIN WASTE BOUNDARY ASH BASIN COMPLIANCE BOUNDARY LANDFILL BOUNDARY STRUCTURAL FILL BOUNDARY LANDFILL COMPLIANCE BOUNDARY DUKE ENERGY CAROLINAS MARSHALL PLANTSITE BOUNDARY <STREAM (AMEC NRTR 2015) LEGEND NOT DETECTED ABOVE REPORTING LIMITND SPECIFIC CONDUCTANCE CONCENTRATION (μmhos/cm)1 NOT SAMPLEDNS NORTH CAROLINA 2L CONTOUR PBTV CONTOUR INTERMEDIATE CONTOUR AB-17DBEDROCK BEDROCKASHASH PORE WATERFILLTRANSITION ZONEAB-17SAB-18DAB-18S AB-15BR AB-15D AB-15SL AB-15SFILL A(NORTHWEST)0.1JASH PORE WATER<0.5<0.5<5<0.5<0.5<0.50.12 JINDUSTRIAL LANDFILLDRY ASH BASINSAPROLITESAPROLITEASH BASIN DAMBEDROCKASH PORE WATERFILLLAKE NORMANEL. 760TRANSITION ZONEAB-12DAB-12SLAB-12S AB-9BR AB-9D AB-9S MW-8D MW-8S SB-1 A'(SOUTHEAST)ASH PORE WATERASH0.4 J<0.50.27 J<0.50.16 J0.15 J<0.5<0.5AB-12BR DRY ASH BASIN0.22 JPOWER LINE R/WSAPROLITEACTIVE ASH BASINLAKE NORMANDRYASH BASININDUSTRIALLANDFILLSTEAM PLANT RD.ISLAND PO INT RD .ACTIVEASH BASIN148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.comPROJECT MANAGER:LAYOUT:DRAWN BY:T. PLATINGDATE:A-A ANTIMONY01/29/2018 3:49 PMP:\Duke Energy Carolinas\18. MARSHALL\CSA Update January 2018\Figures\X Secs\Marshall_XSects_A-A_Analytical.dwgFIGURE 11-64ANTIMONY ANALYTICAL RESULTSCROSS SECTION A-A'MARSHALL STEAM STATIONDUKE ENERGY CAROLINAS, LLCTERRELL, NORTH CAROLINAMATCHLINE 1 MATCHLINE 12.14CONCENTRATION IN µg/LSHALLOW FLOW LAYER GROUNDWATERWELL WATER LEVEL ELEVATIONDEEP FLOW LAYER GROUNDWATERWELL WATER LEVEL ELEVATIONBEDROCK FLOW LAYER GROUNDWATERWELL WATER LEVEL ELEVATIONGENERALIZED WATER TABLEMW-16BRMW-16DMW-12SABMW-2WELL IN TRANSITION ZONEWELL IN SAPROLITE MATERIALWELL IN BEDROCKWELL IN ASH PORE WATERGENERALIZED GROUNDWATERFLOW DIRECTIONLEGENDASHASH PORE WATERBEDROCKTRANSITION ZONECROSS SECTION LOCATIONNOTE:CROSS SECTION A-A' IS LINEAR IN NATURE AND ALLLOCATIONS NOT ALONG THE CROSS SECTION AREPROJECTED ONTO THE CROSS SECTION.E. KINSEY/ C. NEWELL1/26/2018SOURCE INFORMATION:NOTES1.DEPTH TO GROUNDWATER GAUGED IN MONITORING WELLS ON SEPTEMBER 25 & 26, 2017.2.THE NORTH CAROLINA IMAC FOR ANTIMONY IS 1 μg/L.3.PROVISIONAL BACKGROUND THRESHOLD VALUE (PBTV) FOR ANTIMONY IS 0.5 μg/L WITHINTHE SHALLOW, 0.5 μg/L WITHIN THE DEEP, AND 0.5 μg/L WITHIN THE BEDROCK FLOW LAYERS.4.ALL VERTICAL ELEVATIONS ARE MEASURED IN FEET, NORTH AMERICA VERTICAL DATUM (NAVD) OF 1988.5.ANALYTICAL DATA PRESENTED WAS COLLECTED DURING SEPTEMBER-OCTOBER 2017.ORIGINAL CROSS SECTION BASE OBTAINED FROM HDR, CSA SUPPLEMENT 2, DATED AUGUST 2016.4004080VERTICAL GRAPHIC SCALEIN FEET2000200400HORIZONTAL GRAPHIC SCALEIN FEETSCALE: AS SHOWN<0.5CONCENTRATION IN µg/L****CONCENTRATION IS FLAGGED DUE TO ELEVATED pH> 8.5 AND NOT CONSIDERED FOR CONTOURING PURPOSES.ASH FLOW LAYER GROUNDWATERWELL WATER LEVEL ELEVATIONSAPROLITEFILLA'A LAKE NORMAN EL. 760AB-5BRAB-5DAB-5SAB-4DAB-4SLAB-4SSB-15AB-2DAB-2SBEDROCK ASH FILL TRANSITION ZONE B (WEST)(EAST) B' ASH BASIN DAM ASH PORE WATER SAPROLITE ACTIVE ASH BASIN SAPROLITE ACTIVE ASH BASIN DRY ASH BASIN INDUSTRIAL LANDFILL LAKE NORMAN STEA M P L A N T R D .ISLAN D P OI N T R D. 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY: T. PLATING DATE:E. KINSEY/ C. NEWELL B-B ANTIMONY 01/29/2018 3:04 PM P:\Duke Energy Carolinas\18. MARSHALL\CSA Update January 2018\Figures\X Secs\Marshall_XSects_B-B_Analytical.dwg FIGURE 11-65 ANTIMONY ANALYTICAL RESULTS CROSS SECTION B-B' MARSHALL STEAM STATION DUKE ENERGY CAROLINAS, LLC TERRELL, NORTH CAROLINA 40 0 40 80 VERTICAL GRAPHIC SCALE IN FEET 200 0 200 400 HORIZONTAL GRAPHIC SCALE IN FEET CROSS SECTION LOCATION B'B NOTE: CROSS SECTION B-B' IS LINEAR IN NATURE AND ALL LOCATIONS NOT ALONG THE CROSS SECTION ARE PROJECTED ONTO THE CROSS SECTION. SCALE: AS SHOWN 0.13j 0.16j <0.5 0.29j <5 <0.5 <0.5 <0.5 1/26/2018 2.14 CONCENTRATION IN µg/L SHALLOW FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION DEEP FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION BEDROCK FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATIONGENERALIZED WATER TABLE MW-16BR MW-16D MW-12S ABMW-2 WELL IN TRANSITION ZONE WELL IN SAPROLITE MATERIAL WELL IN BEDROCK WELL IN ASH PORE WATER GENERALIZED GROUNDWATER FLOW DIRECTION LEGEND ASH ASH PORE WATER BEDROCK TRANSITION ZONE SOURCE INFORMATION: NOTES 1.DEPTH TO GROUNDWATER GAUGED IN MONITORING WELLS ON SEPTEMBER 25 & 26, 2017. 2.THE NORTH CAROLINA IMAC FOR ANTIMONY IS 1 μg/L. 3.PROVISIONAL BACKGROUND THRESHOLD VALUE (PBTV) FOR ANTIMONY IS 0.5 μg/L WITHIN THE SHALLOW, 0.5 μg/L WITHIN THE DEEP, AND 0.5 μg/L WITHIN THE BEDROCK FLOW LAYERS. 4.ALL VERTICAL ELEVATIONS ARE MEASURED IN FEET, NORTH AMERICA VERTICAL DATUM (NAVD) OF 1988. 5.ANALYTICAL DATA PRESENTED WAS COLLECTED DURING SEPTEMBER-OCTOBER 2017. ORIGINAL CROSS SECTION BASE OBTAINED FROM HDR, CSA SUPPLEMENT 2, DATED AUGUST 2016. ASH FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION SAPROLITE FILL GWA-6DGWA-6SAB-11DAB-11SAB-10DAB-10SLAB-10SC (NORTHEAST) BEDROCK TRANSITION ZONE ASH ASH PORE WATER ASH AB-10BRASH BASIN WASTE BOUNDARY SAPROLITE AB-12DAB-12SLAB-12SAB-8DAB-8SAB-6DAB-6BRAB-6SC' (SOUTHWEST)AB-11DAB-11SMW-11DMW-11SASH INNER ASH BASIN ROAD GWA-12BRGWA-12DGWA-12SSETTLING POND DUKE ENERGY PROPERTY BOUNDARY TRANSITION ZONE ASH PORE WATER ASH PORE WATER ASHAB-12BRAB-6BRAASH BASIN WASTE BOUNDARY SAPROLITE ACTIVE ASH BASIN DRY ASH BASIN INDUSTRIAL LANDFILL LAKE NORMAN STEA M P L A N T R D .ISLAN D P OI N T R D. C C' 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY:DATE: C-C ANTIMONY 01/27/2018 11:48 AM P:\Duke Energy Carolinas\18. MARSHALL\CSA Update January 2018\Figures\X Secs\Marshall_XSects_C-C_Analytical.dwg FIGURE 11-66 ANTIMONY ANALYTICAL RESULTS CROSS SECTION C-C' MARSHALL STEAM STATION DUKE ENERGY CAROLINAS, LLC TERRELL, NORTH CAROLINAMATCHLINE 2MATCHLINE 2T. PLATING E. KINSEY/ C. NEWELL 1/26/20184004080 VERTICAL GRAPHIC SCALE IN FEET 200 0 200 400 HORIZONTAL GRAPHIC SCALE IN FEET SCALE: AS SHOWN CROSS SECTION LOCATION NOTE: CROSS SECTION C-C' IS LINEAR IN NATURE AND ALL LOCATIONS NOT ALONG THE CROSS SECTION ARE PROJECTED ONTO THE CROSS SECTION. <0.5 <0.5 <0.5 <0.5 0.25 j 1.3 <0.5 <0.5 <0.5 0.27 j 0.4 j 0.22 j <0.5 0.11 j <0.5 0.34 j 0.46 j <1 <1 <0.5 0.17 j 0.1 j SOURCE INFORMATION: NOTES 1.DEPTH TO GROUNDWATER GAUGED IN MONITORING WELLS ON SEPTEMBER 25 & 26, 2017. 2.THE NORTH CAROLINA IMAC FOR ANTIMONY IS 1 μg/L. 3.PROVISIONAL BACKGROUND THRESHOLD VALUE (PBTV) FOR ANTIMONY IS 0.5 μg/L WITHIN THE SHALLOW, 0.5 μg/L WITHIN THE DEEP, AND 0.5 μg/L WITHIN THE BEDROCK FLOW LAYERS. 4.ALL VERTICAL ELEVATIONS ARE MEASURED IN FEET, NORTH AMERICA VERTICAL DATUM (NAVD) OF 1988. 5.ANALYTICAL DATA PRESENTED WAS COLLECTED DURING SEPTEMBER-OCTOBER 2017. ORIGINAL CROSS SECTION BASE OBTAINED FROM HDR, CSA SUPPLEMENT 2, DATED AUGUST 2016. **CONCENTRATION IS FLAGGED DUE TO ELEVATED pH> 8.5 AND NOT CONSIDERED FOR CONTOURING PURPOSES. PROVISIONAL BACKGROUND THRESHOLD VALUE (PBTV) 2.14 CONCENTRATION IN µg/L SHALLOW FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION DEEP FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION BEDROCK FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION GENERALIZED WATER TABLE MW-16BR MW-16D MW-12S ABMW-2 WELL IN TRANSITION ZONE WELL IN SAPROLITE MATERIAL WELL IN BEDROCK WELL IN ASH PORE WATER GENERALIZED GROUNDWATER FLOW DIRECTION LEGEND ASH ASH PORE WATER BEDROCK TRANSITION ZONE <0.5 CONCENTRATION IN µg/L ** ASH FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION SAPROLITE FILL AB-17DBEDROCK BEDROCKASHASH PORE WATERFILLTRANSITION ZONEAB-17SAB-18DAB-18S AB-15BR AB-15D AB-15SL AB-15SFILL A(NORTHWEST)ASH PORE WATER8540.173260.51 B21400.110.38INDUSTRIAL LANDFILLDRY ASH BASIN973SAPROLITESAPROLITEASH BASIN DAMBEDROCKASH PORE WATERFILLLAKE NORMANEL. 760TRANSITION ZONEAB-12DAB-12SLAB-12S AB-9BR AB-9D AB-9S MW-8D MW-8S SB-1 A'(SOUTHEAST)ASH PORE WATERASH4.411902290.70.51 B0.21 B0.280.091 JAB-12BR DRY ASH BASIN0.77POWER LINE R/WSAPROLITEACTIVE ASH BASINLAKE NORMANDRYASH BASININDUSTRIALLANDFILLSTEAM PLANT RD.ISLAND PO INT RD .ACTIVEASH BASIN148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.comPROJECT MANAGER:LAYOUT:DRAWN BY:DATE:A-A ARSENIC01/29/2018 3:49 PMP:\Duke Energy Carolinas\18. MARSHALL\CSA Update January 2018\Figures\X Secs\Marshall_XSects_A-A_Analytical.dwgFIGURE 11-67ARSENIC ANALYTICAL RESULTSCROSS SECTION A-A'MARSHALL STEAM STATION DUKE ENERGY CAROLINAS, LLCTERRELL, NORTH CAROLINAMATCHLINE 1 MATCHLINE 1 T. PLATINGCROSS SECTION LOCATIONNOTE:CROSS SECTION A-A' IS LINEAR IN NATURE AND ALLLOCATIONS NOT ALONG THE CROSS SECTION AREPROJECTED ONTO THE CROSS SECTION.E. KINSEY/ C. NEWELL1/26/20184004080VERTICAL GRAPHIC SCALEIN FEET2000200400HORIZONTAL GRAPHIC SCALEIN FEETSCALE: AS SHOWNSOURCE INFORMATION:NOTES1.DEPTH TO GROUNDWATER GAUGED IN MONITORING WELLS ON SEPTEMBER 25 & 26, 2017.2.THE NORTH CAROLINA 2L FOR ARSENIC IS 10 μg/L.3.PROVISIONAL BACKGROUND THRESHOLD VALUE (PBTV) FOR ARSENIC IS 0.4 μg/L WITHIN THE SHALLOW,0.6 μg/L WITHIN THE DEEP, AND 0.6 μg/L WITHIN THE BEDROCK FLOW LAYERS.4.ALL VERTICAL ELEVATIONS ARE MEASURED IN FEET, NORTH AMERICA VERTICAL DATUM (NAVD) OF 1988.5.ANALYTICAL DATA PRESENTED WAS COLLECTED DURING SEPTEMBER-OCTOBER 2017.ORIGINAL CROSS SECTION BASE OBTAINED FROM HDR, CSA SUPPLEMENT 2, DATED AUGUST 2016.PROVISIONAL BACKGROUND THRESHOLD VALUE(PBTV)2L STANDARD**CONCENTRATION IS FLAGGED DUE TO ELEVATED pH> 8.5 AND NOT CONSIDERED FOR CONTOURING PURPOSES.10102.14CONCENTRATION IN µg/LSHALLOW FLOW LAYER GROUNDWATERWELL WATER LEVEL ELEVATIONDEEP FLOW LAYER GROUNDWATERWELL WATER LEVEL ELEVATIONBEDROCK FLOW LAYER GROUNDWATERWELL WATER LEVEL ELEVATIONGENERALIZED WATER TABLEMW-16BRMW-16DMW-12SABMW-2WELL IN TRANSITION ZONEWELL IN SAPROLITE MATERIALWELL IN BEDROCKWELL IN ASH PORE WATERGENERALIZED GROUNDWATERFLOW DIRECTIONLEGENDASHASH PORE WATERBEDROCKTRANSITION ZONE<0.5CONCENTRATION IN µg/L**ASH FLOW LAYER GROUNDWATERWELL WATER LEVEL ELEVATIONSAPROLITEFILLA'A LAKE NORMAN EL. 760AB-5BRAB-5DAB-5SAB-4DAB-4SLAB-4SSB-15AB-2DAB-2SBEDROCK ASH FILL TRANSITION ZONE B (WEST)(EAST) B' ASH BASIN DAM ASH PORE WATER SAPROLITE ACTIVE ASH BASIN SAPROLITE ACTIVE ASH BASIN DRY ASH BASIN INDUSTRIAL LANDFILL LAKE NORMAN STEA M P L A N T R D .ISLAN D P OI N T R D. 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY: T. PLATING DATE:E. KINSEY/ C. NEWELL B-B ARSENIC 01/29/2018 3:04 PM P:\Duke Energy Carolinas\18. MARSHALL\CSA Update January 2018\Figures\X Secs\Marshall_XSects_B-B_Analytical.dwg FIGURE 11-68 ARSENIC ANALYTICAL RESULTS CROSS SECTION B-B' MARSHALL STEAM STATION DUKE ENERGY CAROLINAS, LLC TERRELL, NORTH CAROLINA 40 0 40 80 VERTICAL GRAPHIC SCALE IN FEET 200 0 200 400 HORIZONTAL GRAPHIC SCALE IN FEET CROSS SECTION LOCATION B'B NOTE: CROSS SECTION B-B' IS LINEAR IN NATURE AND ALL LOCATIONS NOT ALONG THE CROSS SECTION ARE PROJECTED ONTO THE CROSS SECTION. SCALE: AS SHOWN 2.9 0.78 0.36B 2.3 1210 0.22B 0.15 0.23 1/26/2018 SOURCE INFORMATION: NOTES 1.DEPTH TO GROUNDWATER GAUGED IN MONITORING WELLS ON SEPTEMBER 25 & 26, 2017. 2.THE NORTH CAROLINA 2L FOR ARSENIC IS 10 μg/L. 3.PROVISIONAL BACKGROUND THRESHOLD VALUE (PBTV) FOR ARSENIC IS 0.4 μg/L WITHIN THE SHALLOW, 0.6 μg/L WITHIN THE DEEP, AND 0.6 μg/L WITHIN THE BEDROCK FLOW LAYERS. 4.ALL VERTICAL ELEVATIONS ARE MEASURED IN FEET, NORTH AMERICA VERTICAL DATUM (NAVD) OF 1988. 5.ANALYTICAL DATA PRESENTED WAS COLLECTED DURING SEPTEMBER-OCTOBER 2017. ORIGINAL CROSS SECTION BASE OBTAINED FROM HDR, CSA SUPPLEMENT 2, DATED AUGUST 2016. PROVISIONAL BACKGROUND THRESHOLD VALUE (PBTV) 2.14 CONCENTRATION IN µg/L SHALLOW FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION DEEP FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION BEDROCK FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATIONGENERALIZED WATER TABLE MW-16BR MW-16D MW-12S ABMW-2 WELL IN TRANSITION ZONE WELL IN SAPROLITE MATERIAL WELL IN BEDROCK WELL IN ASH PORE WATER GENERALIZED GROUNDWATER FLOW DIRECTION LEGEND ASH ASH PORE WATER BEDROCK TRANSITION ZONE ASH FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION SAPROLITE FILL GWA-6DGWA-6SAB-11DAB-11SAB-10DAB-10SLAB-10SC (NORTHEAST) BEDROCK TRANSITION ZONE ASH ASH PORE WATER ASH AB-10BRASH BASIN WASTE BOUNDARY SAPROLITE AB-12DAB-12SLAB-12SAB-8DAB-8SAB-6DAB-6BRAB-6SC' (SOUTHWEST)AB-11DAB-11SMW-11DMW-11SASH INNER ASH BASIN ROAD GWA-12BRGWA-12DGWA-12SSETTLING POND DUKE ENERGY PROPERTY BOUNDARY TRANSITION ZONE ASH PORE WATER ASH PORE WATER ASHAB-12BRAB-6BRAASH BASIN WASTE BOUNDARY SAPROLITE ACTIVE ASH BASIN DRY ASH BASIN INDUSTRIAL LANDFILL LAKE NORMAN STEA M P L A N T R D .ISLAN D P OI N T R D. C C' 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY:DATE: C-C ARSENIC 01/27/2018 11:48 AM P:\Duke Energy Carolinas\18. MARSHALL\CSA Update January 2018\Figures\X Secs\Marshall_XSects_C-C_Analytical.dwg FIGURE 11-69 ARSENIC ANALYTICAL RESULTS CROSS SECTION C-C' MARSHALL STEAM STATION DUKE ENERGY CAROLINAS, LLC TERRELL, NORTH CAROLINAMATCHLINE 2MATCHLINE 2T. PLATING E. KINSEY/ C. NEWELL 1/26/20184004080 VERTICAL GRAPHIC SCALE IN FEET 200 0 200 400 HORIZONTAL GRAPHIC SCALE IN FEET SCALE: AS SHOWN CROSS SECTION LOCATION NOTE: CROSS SECTION C-C' IS LINEAR IN NATURE AND ALL LOCATIONS NOT ALONG THE CROSS SECTION ARE PROJECTED ONTO THE CROSS SECTION. 0.18 B 0.096 j,B 0.32 B 0.17 B 443 M1 1240 1g 0.7 0.5 1190 229 4.4 0.77 0.37 B 85.6 1.2 3050 370 <1 <1 0.39 B 1.3 0.082 j,B SOURCE INFORMATION: NOTES 1.DEPTH TO GROUNDWATER GAUGED IN MONITORING WELLS ON SEPTEMBER 25 & 26, 2017. 2.THE NORTH CAROLINA 2L FOR ARSENIC IS 10 μg/L. 3.PROVISIONAL BACKGROUND THRESHOLD VALUE (PBTV) FOR ARSENIC IS 0.4 μg/L WITHIN THE SHALLOW, 0.6 μg/L WITHIN THE DEEP, AND 0.6 μg/L WITHIN THE BEDROCK FLOW LAYERS. 4.ALL VERTICAL ELEVATIONS ARE MEASURED IN FEET, NORTH AMERICA VERTICAL DATUM (NAVD) OF 1988. 5.ANALYTICAL DATA PRESENTED WAS COLLECTED DURING SEPTEMBER-OCTOBER 2017. ORIGINAL CROSS SECTION BASE OBTAINED FROM HDR, CSA SUPPLEMENT 2, DATED AUGUST 2016. **CONCENTRATION IS FLAGGED DUE TO ELEVATED pH> 8.5 AND NOT CONSIDERED FOR CONTOURING PURPOSES. PROVISIONAL BACKGROUND THRESHOLD VALUE (PBTV) 2.14 CONCENTRATION IN µg/L SHALLOW FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION DEEP FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION BEDROCK FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION GENERALIZED WATER TABLE MW-16BR MW-16D MW-12S ABMW-2 WELL IN TRANSITION ZONE WELL IN SAPROLITE MATERIAL WELL IN BEDROCK WELL IN ASH PORE WATER GENERALIZED GROUNDWATER FLOW DIRECTION LEGEND ASH ASH PORE WATER BEDROCK TRANSITION ZONE <0.5 CONCENTRATION IN µg/L ** ASH FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION SAPROLITE FILL AB-17DBEDROCK BEDROCKASHASH PORE WATERFILLTRANSITION ZONEAB-17SAB-18DAB-18S AB-15BR AB-15D AB-15SL AB-15SFILL A(NORTHWEST)ASH PORE WATER21.740.63733999.3242412411INDUSTRIAL LANDFILLDRY ASH BASINSAPROLITESAPROLITEASH BASIN DAMBEDROCKASH PORE WATERFILLLAKE NORMANEL. 760TRANSITION ZONEAB-12DAB-12SLAB-12S AB-9BR AB-9D AB-9S MW-8D MW-8S SB-1 A'(SOUTHEAST)ASH PORE WATERASH62.8110022320526317.113911.7AB-12BR DRY ASH BASINPOWER LINE R/W32.1SAPROLITEACTIVE ASH BASINLAKE NORMANDRYASH BASININDUSTRIALLANDFILLSTEAM PLANT RD.ISLAND PO INT RD .ACTIVEASH BASIN148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.comPROJECT MANAGER:LAYOUT:DRAWN BY:DATE:A-A BARIUM01/29/2018 3:49 PMP:\Duke Energy Carolinas\18. MARSHALL\CSA Update January 2018\Figures\X Secs\Marshall_XSects_A-A_Analytical.dwgFIGURE 11-70BARIUM ANALYTICAL RESULTSCROSS SECTION A-A'MARSHALL STEAM STATIONDUKE ENERGY CAROLINAS, LLCTERRELL, NORTH CAROLINAMATCHLINE 1 MATCHLINE 1 T. PLATINGCROSS SECTION LOCATIONNOTE:CROSS SECTION A-A' IS LINEAR IN NATURE AND ALLLOCATIONS NOT ALONG THE CROSS SECTION AREPROJECTED ONTO THE CROSS SECTION.E. KINSEY/ C. NEWELL1/26/20184004080VERTICAL GRAPHIC SCALEIN FEET2000200400HORIZONTAL GRAPHIC SCALEIN FEETSCALE: AS SHOWNSOURCE INFORMATION:NOTES1.DEPTH TO GROUNDWATER GAUGED IN MONITORING WELLS ON SEPTEMBER 25 & 26, 2017.2.THE NORTH CAROLINA 2L FOR BARIUM IS 700 μg/L.3.PROVISIONAL BACKGROUND THRESHOLD VALUE (PBTV) FOR BARIUM IS 310 μg/L WITHIN THE SHALLOW,127 μg/L WITHIN THE DEEP, AND 435 μg/L WITHIN THE BEDROCK FLOW LAYERS.4.ALL VERTICAL ELEVATIONS ARE MEASURED IN FEET, NORTH AMERICA VERTICAL DATUM (NAVD) OF 1988.5.ANALYTICAL DATA PRESENTED WAS COLLECTED DURING SEPTEMBER-OCTOBER 2017.ORIGINAL CROSS SECTION BASE OBTAINED FROM HDR, CSA SUPPLEMENT 2, DATED AUGUST 2016.**CONCENTRATION IS FLAGGED DUE TO ELEVATED pH> 8.5 AND NOT CONSIDERED FOR CONTOURING PURPOSES.PROVISIONAL BACKGROUND THRESHOLD VALUE(PBTV)2.14CONCENTRATION IN µg/LSHALLOW FLOW LAYER GROUNDWATERWELL WATER LEVEL ELEVATIONDEEP FLOW LAYER GROUNDWATERWELL WATER LEVEL ELEVATIONBEDROCK FLOW LAYER GROUNDWATERWELL WATER LEVEL ELEVATIONGENERALIZED WATER TABLEMW-16BRMW-16DMW-12SABMW-2WELL IN TRANSITION ZONEWELL IN SAPROLITE MATERIALWELL IN BEDROCKWELL IN ASH PORE WATERGENERALIZED GROUNDWATERFLOW DIRECTIONLEGENDASHASH PORE WATERBEDROCKTRANSITION ZONE<0.5CONCENTRATION IN µg/L**ASH FLOW LAYER GROUNDWATERWELL WATER LEVEL ELEVATIONSAPROLITEFILLA'A LAKE NORMAN EL. 760AB-5BRAB-5DAB-5SAB-4DAB-4SLAB-4SSB-15AB-2DAB-2SBEDROCK ASH FILL TRANSITION ZONE B (WEST)(EAST) B' ASH BASIN DAM ASH PORE WATER SAPROLITE ACTIVE ASH BASIN SAPROLITE ACTIVE ASH BASIN DRY ASH BASIN INDUSTRIAL LANDFILL LAKE NORMAN STEA M P L A N T R D .ISLAN D P OI N T R D. 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY: T. PLATING DATE:E. KINSEY/ C. NEWELL B-B BARIUM 01/29/2018 3:04 PM P:\Duke Energy Carolinas\18. MARSHALL\CSA Update January 2018\Figures\X Secs\Marshall_XSects_B-B_Analytical.dwg FIGURE 11-71 BARIUM ANALYTICAL RESULTS CROSS SECTION B-B' MARSHALL STEAM STATION DUKE ENERGY CAROLINAS, LLC TERRELL, NORTH CAROLINA 40 0 40 80 VERTICAL GRAPHIC SCALE IN FEET 200 0 200 400 HORIZONTAL GRAPHIC SCALE IN FEET CROSS SECTION LOCATION B'B NOTE: CROSS SECTION B-B' IS LINEAR IN NATURE AND ALL LOCATIONS NOT ALONG THE CROSS SECTION ARE PROJECTED ONTO THE CROSS SECTION. SCALE: AS SHOWN 8.1 138 77.8 97.9 80.2 73 25.8 0.29 1/26/2018 SOURCE INFORMATION: NOTES 1.DEPTH TO GROUNDWATER GAUGED IN MONITORING WELLS ON SEPTEMBER 25 & 26, 2017. 2.THE NORTH CAROLINA 2L FOR BARIUM IS 700 μg/L. 3.PROVISIONAL BACKGROUND THRESHOLD VALUE (PBTV) FOR BARIUM IS 310 μg/L WITHIN THE SHALLOW, 127 μg/L WITHIN THE DEEP, AND 435 μg/L WITHIN THE BEDROCK FLOW LAYERS. 4.ALL VERTICAL ELEVATIONS ARE MEASURED IN FEET, NORTH AMERICA VERTICAL DATUM (NAVD) OF 1988. 5.ANALYTICAL DATA PRESENTED WAS COLLECTED DURING SEPTEMBER-OCTOBER 2017. ORIGINAL CROSS SECTION BASE OBTAINED FROM HDR, CSA SUPPLEMENT 2, DATED AUGUST 2016. PROVISIONAL BACKGROUND THRESHOLD VALUE (PBTV) 2.14 CONCENTRATION IN µg/L SHALLOW FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION DEEP FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION BEDROCK FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATIONGENERALIZED WATER TABLE MW-16BR MW-16D MW-12S ABMW-2 WELL IN TRANSITION ZONE WELL IN SAPROLITE MATERIAL WELL IN BEDROCK WELL IN ASH PORE WATER GENERALIZED GROUNDWATER FLOW DIRECTION LEGEND ASH ASH PORE WATER BEDROCK TRANSITION ZONE ASH FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION SAPROLITE FILL GWA-6DGWA-6SAB-11DAB-11SAB-10DAB-10SLAB-10SC (NORTHEAST) BEDROCK TRANSITION ZONE ASH ASH PORE WATER ASH AB-10BRASH BASIN WASTE BOUNDARY SAPROLITE AB-12DAB-12SLAB-12SAB-8DAB-8SAB-6DAB-6BRAB-6SC' (SOUTHWEST)AB-11DAB-11SMW-11DMW-11SASH INNER ASH BASIN ROAD GWA-12BRGWA-12DGWA-12SSETTLING POND DUKE ENERGY PROPERTY BOUNDARY TRANSITION ZONE ASH PORE WATER ASH PORE WATER ASHAB-12BRAB-6BRAASH BASIN WASTE BOUNDARY SAPROLITE ACTIVE ASH BASIN DRY ASH BASIN INDUSTRIAL LANDFILL LAKE NORMAN STEA M P L A N T R D .ISLAN D P OI N T R D. C C' 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY:DATE: C-C BARIUM 01/27/2018 11:48 AM P:\Duke Energy Carolinas\18. MARSHALL\CSA Update January 2018\Figures\X Secs\Marshall_XSects_C-C_Analytical.dwg FIGURE 11-72 BARIUM ANALYTICAL RESULTS CROSS SECTION C-C' MARSHALL STEAM STATION DUKE ENERGY CAROLINAS, LLC TERRELL, NORTH CAROLINAT. PLATING E. KINSEY/ C. NEWELL 1/26/20184004080 VERTICAL GRAPHIC SCALE IN FEET 200 0 200 400 HORIZONTAL GRAPHIC SCALE IN FEET SCALE: AS SHOWN CROSS SECTION LOCATION NOTE: CROSS SECTION C-C' IS LINEAR IN NATURE AND ALL LOCATIONS NOT ALONG THE CROSS SECTION ARE PROJECTED ONTO THE CROSS SECTION. 29.3 65.5 10.2 15 56.8 364 360 209 1100 223 62.8 32.1 50.8 54.5 79.3 224 84.6 55 58 28.1 36.6 44MATCHLINE 2MATCHLINE 2SOURCE INFORMATION: NOTES 1.DEPTH TO GROUNDWATER GAUGED IN MONITORING WELLS ON SEPTEMBER 25 & 26, 2017. 2.THE NORTH CAROLINA 2L FOR BARIUM IS 700 μg/L. 3.PROVISIONAL BACKGROUND THRESHOLD VALUE (PBTV) FOR BARIUM IS 310 μg/L WITHIN THE SHALLOW, 127 μg/L WITHIN THE DEEP, AND 435 μg/L WITHIN THE BEDROCK FLOW LAYERS. 4.ALL VERTICAL ELEVATIONS ARE MEASURED IN FEET, NORTH AMERICA VERTICAL DATUM (NAVD) OF 1988. 5.ANALYTICAL DATA PRESENTED WAS COLLECTED DURING SEPTEMBER-OCTOBER 2017. ORIGINAL CROSS SECTION BASE OBTAINED FROM HDR, CSA SUPPLEMENT 2, DATED AUGUST 2016. **CONCENTRATION IS FLAGGED DUE TO ELEVATED pH> 8.5 AND NOT CONSIDERED FOR CONTOURING PURPOSES. PROVISIONAL BACKGROUND THRESHOLD VALUE (PBTV) 2.14 CONCENTRATION IN µg/L SHALLOW FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION DEEP FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION BEDROCK FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION GENERALIZED WATER TABLE MW-16BR MW-16D MW-12S ABMW-2 WELL IN TRANSITION ZONE WELL IN SAPROLITE MATERIAL WELL IN BEDROCK WELL IN ASH PORE WATER GENERALIZED GROUNDWATER FLOW DIRECTION LEGEND ASH ASH PORE WATER BEDROCK TRANSITION ZONE <0.5 CONCENTRATION IN µg/L ** ASH FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION SAPROLITE FILL AB-17DBEDROCK BEDROCKASHASH PORE WATERFILLTRANSITION ZONEAB-17SAB-18DAB-18S AB-15BR AB-15D AB-15SL AB-15SFILL A(NORTHWEST)ASH PORE WATER<0.10.1<0.1<10.2 J0.071 J0.024 J0.017 JINDUSTRIAL LANDFILLDRY ASH BASINSAPROLITESAPROLITEASH BASIN DAMBEDROCKASH PORE WATERFILLLAKE NORMANEL. 760TRANSITION ZONEAB-12DAB-12SLAB-12S AB-9BR AB-9D AB-9S MW-8D MW-8S SB-1 A'(SOUTHEAST)ASH PORE WATERASH<0.10.018 J0.086 J<0.10.035 J0.025 J<0.10.11AB-12BR DRY ASH BASINPOWER LINE R/W<0.1SAPROLITEACTIVE ASH BASINLAKE NORMANDRYASH BASININDUSTRIALLANDFILLSTEAM PLANT RD.ISLAND PO INT RD .ACTIVEASH BASIN148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.comPROJECT MANAGER:LAYOUT:DRAWN BY:T. PLATINGDATE:A-A BERYLLIUM01/29/2018 3:49 PMP:\Duke Energy Carolinas\18. MARSHALL\CSA Update January 2018\Figures\X Secs\Marshall_XSects_A-A_Analytical.dwgFIGURE 11-73BERYLLIUM ANALYTICAL RESULTSCROSS SECTION A-A'MARSHALL STEAM STATIONDUKE ENERGY CAROLINAS, LLCTERRELL, NORTH CAROLINAMATCHLINE 1 MATCHLINE 1 CROSS SECTION LOCATIONNOTE:CROSS SECTION A-A' IS LINEAR IN NATURE AND ALLLOCATIONS NOT ALONG THE CROSS SECTION AREPROJECTED ONTO THE CROSS SECTION.E. KINSEY/ C. NEWELL1/26/20184004080VERTICAL GRAPHIC SCALEIN FEET2000200400HORIZONTAL GRAPHIC SCALEIN FEETSCALE: AS SHOWNSOURCE INFORMATION:NOTES1.DEPTH TO GROUNDWATER GAUGED IN MONITORING WELLS ON SEPTEMBER 25 & 26, 2017.2.THE NORTH CAROLINA IMAC FOR BERYLLIUM IS 4 μg/L.3.PROVISIONAL BACKGROUND THRESHOLD VALUE (PBTV) FOR BERYLLIUM IS 0.2 μg/L WITHIN THE SHALLOW,0.1 μg/L WITHIN THE DEEP, AND 0.2 μg/L WITHIN THE BEDROCK FLOW LAYERS.4.ALL VERTICAL ELEVATIONS ARE MEASURED IN FEET, NORTH AMERICA VERTICAL DATUM (NAVD) OF 1988.5.ANALYTICAL DATA PRESENTED WAS COLLECTED DURING SEPTEMBER-OCTOBER 2017.ORIGINAL CROSS SECTION BASE OBTAINED FROM HDR, CSA SUPPLEMENT 2, DATED AUGUST 2016.**CONCENTRATION IS FLAGGED DUE TO ELEVATED pH> 8.5 AND NOT CONSIDERED FOR CONTOURING PURPOSES.PROVISIONAL BACKGROUND THRESHOLD VALUE(PBTV)2.14CONCENTRATION IN µg/LSHALLOW FLOW LAYER GROUNDWATERWELL WATER LEVEL ELEVATIONDEEP FLOW LAYER GROUNDWATERWELL WATER LEVEL ELEVATIONBEDROCK FLOW LAYER GROUNDWATERWELL WATER LEVEL ELEVATIONGENERALIZED WATER TABLEMW-16BRMW-16DMW-12SABMW-2WELL IN TRANSITION ZONEWELL IN SAPROLITE MATERIALWELL IN BEDROCKWELL IN ASH PORE WATERGENERALIZED GROUNDWATERFLOW DIRECTIONLEGENDASHASH PORE WATERBEDROCKTRANSITION ZONE<0.5CONCENTRATION IN µg/L**ASH FLOW LAYER GROUNDWATERWELL WATER LEVEL ELEVATIONSAPROLITEFILLA'A LAKE NORMAN EL. 760AB-5BRAB-5DAB-5SAB-4DAB-4SLAB-4SSB-15AB-2DAB-2SBEDROCK ASH FILL TRANSITION ZONE B (WEST)(EAST) B' ASH BASIN DAM ASH PORE WATER SAPROLITE ACTIVE ASH BASIN SAPROLITE ACTIVE ASH BASIN DRY ASH BASIN INDUSTRIAL LANDFILL LAKE NORMAN STEA M P L A N T R D .ISLAN D P OI N T R D. 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY: T. PLATING DATE:E. KINSEY/ C. NEWELL B-B BERYLLIUM 01/29/2018 3:04 PM P:\Duke Energy Carolinas\18. MARSHALL\CSA Update January 2018\Figures\X Secs\Marshall_XSects_B-B_Analytical.dwg FIGURE 11-74 BERYLLIUM ANALYTICAL RESULTS CROSS SECTION B-B' MARSHALL STEAM STATION DUKE ENERGY CAROLINAS, LLC TERRELL, NORTH CAROLINA 40 0 40 80 VERTICAL GRAPHIC SCALE IN FEET 200 0 200 400 HORIZONTAL GRAPHIC SCALE IN FEET CROSS SECTION LOCATION B'B NOTE: CROSS SECTION B-B' IS LINEAR IN NATURE AND ALL LOCATIONS NOT ALONG THE CROSS SECTION ARE PROJECTED ONTO THE CROSS SECTION. SCALE: AS SHOWN 3.6 0.1 0.32 <0.1 <1 0.053j 0.031j 0.057j 1/26/2018 SOURCE INFORMATION: NOTES 1.DEPTH TO GROUNDWATER GAUGED IN MONITORING WELLS ON SEPTEMBER 25 & 26, 2017. 2.THE NORTH CAROLINA IMAC FOR BERYLLIUM IS 4 μg/L. 3.PROVISIONAL BACKGROUND THRESHOLD VALUE (PBTV) FOR BERYLLIUM IS 0.2 μg/L WITHIN THE SHALLOW, 0.1 μg/L WITHIN THE DEEP, AND 0.2 μg/L WITHIN THE BEDROCK FLOW LAYERS. 4.ALL VERTICAL ELEVATIONS ARE MEASURED IN FEET, NORTH AMERICA VERTICAL DATUM (NAVD) OF 1988. 5.ANALYTICAL DATA PRESENTED WAS COLLECTED DURING SEPTEMBER-OCTOBER 2017. ORIGINAL CROSS SECTION BASE OBTAINED FROM HDR, CSA SUPPLEMENT 2, DATED AUGUST 2016. PROVISIONAL BACKGROUND THRESHOLD VALUE (PBTV) 2.14 CONCENTRATION IN µg/L SHALLOW FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION DEEP FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION BEDROCK FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATIONGENERALIZED WATER TABLE MW-16BR MW-16D MW-12S ABMW-2 WELL IN TRANSITION ZONE WELL IN SAPROLITE MATERIAL WELL IN BEDROCK WELL IN ASH PORE WATER GENERALIZED GROUNDWATER FLOW DIRECTION LEGEND ASH ASH PORE WATER BEDROCK TRANSITION ZONE ASH FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION SAPROLITE FILL GWA-6DGWA-6SAB-11DAB-11SAB-10DAB-10SLAB-10SC (NORTHEAST) BEDROCK TRANSITION ZONE ASH ASH PORE WATER ASH AB-10BRASH BASIN WASTE BOUNDARY SAPROLITE AB-12DAB-12SLAB-12SAB-8DAB-8SAB-6DAB-6BRAB-6SC' (SOUTHWEST)AB-11DAB-11SMW-11DMW-11SASH INNER ASH BASIN ROAD GWA-12BRGWA-12DGWA-12SSETTLING POND DUKE ENERGY PROPERTY BOUNDARY TRANSITION ZONE ASH PORE WATER ASH PORE WATER ASHAB-12BRAB-6BRAASH BASIN WASTE BOUNDARY SAPROLITE ACTIVE ASH BASIN DRY ASH BASIN INDUSTRIAL LANDFILL LAKE NORMAN STEA M P L A N T R D .ISLAN D P OI N T R D. C C' 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY:DATE: C-C BERYLLIUM 01/27/2018 11:48 AM P:\Duke Energy Carolinas\18. MARSHALL\CSA Update January 2018\Figures\X Secs\Marshall_XSects_C-C_Analytical.dwg FIGURE 11-75 BERYLLIUM ANALYTICAL RESULTS CROSS SECTION C-C' MARSHALL STEAM STATION DUKE ENERGY CAROLINAS, LLC TERRELL, NORTH CAROLINAT. PLATING E. KINSEY/ C. NEWELL 1/26/20184004080 VERTICAL GRAPHIC SCALE IN FEET 200 0 200 400 HORIZONTAL GRAPHIC SCALE IN FEET SCALE: AS SHOWN CROSS SECTION LOCATION NOTE: CROSS SECTION C-C' IS LINEAR IN NATURE AND ALL LOCATIONS NOT ALONG THE CROSS SECTION ARE PROJECTED ONTO THE CROSS SECTION. <0.1 0.1 <0.1 <0.1 0.041 j 0.035 j 0.028 j 0.04 j 0.018 j <0.1 <0.1 0.12 0.58 0.31 B <0.1 <1 <1 0.011 j 0.038 j 0.076 j <0.1 0.086 j MATCHLINE 2MATCHLINE 2SOURCE INFORMATION: NOTES 1.DEPTH TO GROUNDWATER GAUGED IN MONITORING WELLS ON SEPTEMBER 25 & 26, 2017. 2.THE NORTH CAROLINA IMAC FOR BERYLLIUM IS 4 μg/L. 3.PROVISIONAL BACKGROUND THRESHOLD VALUE (PBTV) FOR BERYLLIUM IS 0.2 μg/L WITHIN THE SHALLOW, 0.1 μg/L WITHIN THE DEEP, AND 0.2 μg/L WITHIN THE BEDROCK FLOW LAYERS. 4.ALL VERTICAL ELEVATIONS ARE MEASURED IN FEET, NORTH AMERICA VERTICAL DATUM (NAVD) OF 1988. 5.ANALYTICAL DATA PRESENTED WAS COLLECTED DURING SEPTEMBER-OCTOBER 2017. ORIGINAL CROSS SECTION BASE OBTAINED FROM HDR, CSA SUPPLEMENT 2, DATED AUGUST 2016. **CONCENTRATION IS FLAGGED DUE TO ELEVATED pH> 8.5 AND NOT CONSIDERED FOR CONTOURING PURPOSES. PROVISIONAL BACKGROUND THRESHOLD VALUE (PBTV) 2.14 CONCENTRATION IN µg/L SHALLOW FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION DEEP FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION BEDROCK FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION GENERALIZED WATER TABLE MW-16BR MW-16D MW-12S ABMW-2 WELL IN TRANSITION ZONE WELL IN SAPROLITE MATERIAL WELL IN BEDROCK WELL IN ASH PORE WATER GENERALIZED GROUNDWATER FLOW DIRECTION LEGEND ASH ASH PORE WATER BEDROCK TRANSITION ZONE <0.5 CONCENTRATION IN µg/L ** ASH FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION SAPROLITE FILL AB-17DBEDROCK BEDROCKASHASH PORE WATERFILLTRANSITION ZONEAB-17SAB-18DAB-18S AB-15BR AB-15D AB-15SL AB-15SFILL A(NORTHWEST)ASH PORE WATER<5024200<502300<5047.1 J15703890INDUSTRIAL LANDFILLDRY ASH BASINSAPROLITESAPROLITEASH BASIN DAMBEDROCKASH PORE WATERFILLLAKE NORMANEL. 760TRANSITION ZONEAB-12DAB-12SLAB-12S AB-9BR AB-9D AB-9S MW-8D MW-8S SB-1 A'(SOUTHEAST)ASH PORE WATERASH1350286075200<50<5025.6 J236239AB-12BR DRY ASH BASIN<50POWER LINE R/WSAPROLITEACTIVE ASH BASINLAKE NORMANDRYASH BASININDUSTRIALLANDFILLSTEAM PLANT RD.ISLAND PO INT RD .ACTIVEASH BASIN148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.comPROJECT MANAGER:LAYOUT:DRAWN BY:DATE:A-A BORON01/29/2018 3:49 PMP:\Duke Energy Carolinas\18. MARSHALL\CSA Update January 2018\Figures\X Secs\Marshall_XSects_A-A_Analytical.dwgFIGURE 11-76BORON ANALYTICAL RESULTSCROSS SECTION A-A'MARSHALL STEAM STATIONDUKE ENERGY CAROLINAS, LLCTERRELL, NORTH CAROLINAMATCHLINE 1 MATCHLINE 1 T. PLATINGCROSS SECTION LOCATIONNOTE:CROSS SECTION A-A' IS LINEAR IN NATURE AND ALLLOCATIONS NOT ALONG THE CROSS SECTION AREPROJECTED ONTO THE CROSS SECTION.E. KINSEY/ C. NEWELL1/26/20184004080VERTICAL GRAPHIC SCALEIN FEET2000200400HORIZONTAL GRAPHIC SCALEIN FEETSCALE: AS SHOWNSOURCE INFORMATION:NOTES1.DEPTH TO GROUNDWATER GAUGED IN MONITORING WELLS ON SEPTEMBER 25 & 26, 2017.2.THE NORTH CAROLINA 2L FOR BORON IS 700 μg/L.3.PROVISIONAL BACKGROUND THRESHOLD VALUE (PBTV) FOR BORON IS 50 μg/L WITHIN THE SHALLOW,50 μg/L WITHIN THE DEEP, AND 50 μg/L WITHIN THE BEDROCK FLOW LAYERS.4.ALL VERTICAL ELEVATIONS ARE MEASURED IN FEET, NORTH AMERICA VERTICAL DATUM (NAVD) OF 1988.5.ANALYTICAL DATA PRESENTED WAS COLLECTED DURING SEPTEMBER-OCTOBER 2017.ORIGINAL CROSS SECTION BASE OBTAINED FROM HDR, CSA SUPPLEMENT 2, DATED AUGUST 2016.**CONCENTRATION IS FLAGGED DUE TO ELEVATED pH> 8.5 AND NOT CONSIDERED FOR CONTOURING PURPOSES.700700PROVISIONAL BACKGROUND THRESHOLD VALUE(PBTV)2L STANDARD2.14CONCENTRATION IN µg/LSHALLOW FLOW LAYER GROUNDWATERWELL WATER LEVEL ELEVATIONDEEP FLOW LAYER GROUNDWATERWELL WATER LEVEL ELEVATIONBEDROCK FLOW LAYER GROUNDWATERWELL WATER LEVEL ELEVATIONGENERALIZED WATER TABLEMW-16BRMW-16DMW-12SABMW-2WELL IN TRANSITION ZONEWELL IN SAPROLITE MATERIALWELL IN BEDROCKWELL IN ASH PORE WATERGENERALIZED GROUNDWATERFLOW DIRECTIONLEGENDASHASH PORE WATERBEDROCKTRANSITION ZONE<0.5CONCENTRATION IN µg/L**ASH FLOW LAYER GROUNDWATERWELL WATER LEVEL ELEVATIONSAPROLITEFILLA'A LAKE NORMAN EL. 760AB-5BRAB-5DAB-5SAB-4DAB-4SLAB-4SSB-15AB-2DAB-2SBEDROCK ASH FILL TRANSITION ZONE B (WEST)(EAST) B' ASH BASIN DAM ASH PORE WATER SAPROLITE ACTIVE ASH BASIN SAPROLITE ACTIVE ASH BASIN DRY ASH BASIN INDUSTRIAL LANDFILL LAKE NORMAN STEA M P L A N T R D .ISLAN D P OI N T R D. 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY: T. PLATING DATE:E. KINSEY/ C. NEWELL B-B BORON 01/29/2018 3:04 PM P:\Duke Energy Carolinas\18. MARSHALL\CSA Update January 2018\Figures\X Secs\Marshall_XSects_B-B_Analytical.dwg FIGURE 11-77 BORON ANALYTICAL RESULTS CROSS SECTION B-B' MARSHALL STEAM STATION DUKE ENERGY CAROLINAS, LLC TERRELL, NORTH CAROLINA 40 0 40 80 VERTICAL GRAPHIC SCALE IN FEET 200 0 200 400 HORIZONTAL GRAPHIC SCALE IN FEET CROSS SECTION LOCATION B'B NOTE: CROSS SECTION B-B' IS LINEAR IN NATURE AND ALL LOCATIONS NOT ALONG THE CROSS SECTION ARE PROJECTED ONTO THE CROSS SECTION. SCALE: AS SHOWN 2280 <50 246 583 363 366 <50 <50 1/26/2018 SOURCE INFORMATION: NOTES 1.DEPTH TO GROUNDWATER GAUGED IN MONITORING WELLS ON SEPTEMBER 25 & 26, 2017. 2.THE NORTH CAROLINA 2L FOR BORON IS 700 μg/L. 3.PROVISIONAL BACKGROUND THRESHOLD VALUE (PBTV) FOR BORON IS 50 μg/L WITHIN THE SHALLOW, 50 μg/L WITHIN THE DEEP, AND 50 μg/L WITHIN THE BEDROCK FLOW LAYERS. 4.ALL VERTICAL ELEVATIONS ARE MEASURED IN FEET, NORTH AMERICA VERTICAL DATUM (NAVD) OF 1988. 5.ANALYTICAL DATA PRESENTED WAS COLLECTED DURING SEPTEMBER-OCTOBER 2017. ORIGINAL CROSS SECTION BASE OBTAINED FROM HDR, CSA SUPPLEMENT 2, DATED AUGUST 2016. PROVISIONAL BACKGROUND THRESHOLD VALUE (PBTV) 2.14 CONCENTRATION IN µg/L SHALLOW FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION DEEP FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION BEDROCK FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATIONGENERALIZED WATER TABLE MW-16BR MW-16D MW-12S ABMW-2 WELL IN TRANSITION ZONE WELL IN SAPROLITE MATERIAL WELL IN BEDROCK WELL IN ASH PORE WATER GENERALIZED GROUNDWATER FLOW DIRECTION LEGEND ASH ASH PORE WATER BEDROCK TRANSITION ZONE ASH FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION SAPROLITE FILL GWA-6DGWA-6SAB-11DAB-11SAB-10DAB-10SLAB-10SC (NORTHEAST) BEDROCK TRANSITION ZONE ASH ASH PORE WATER ASH AB-10BRASH BASIN WASTE BOUNDARY SAPROLITE AB-12DAB-12SLAB-12SAB-8DAB-8SAB-6DAB-6BRAB-6SC' (SOUTHWEST)AB-11DAB-11SMW-11DMW-11SASH INNER ASH BASIN ROAD GWA-12BRGWA-12DGWA-12SSETTLING POND DUKE ENERGY PROPERTY BOUNDARY TRANSITION ZONE ASH PORE WATER ASH PORE WATER ASHAB-12BRAB-6BRAASH BASIN WASTE BOUNDARY SAPROLITE ACTIVE ASH BASIN DRY ASH BASIN INDUSTRIAL LANDFILL LAKE NORMAN STEA M P L A N T R D .ISLAN D P OI N T R D. C C' 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY:DATE: C-C BORON 01/27/2018 11:48 AM P:\Duke Energy Carolinas\18. MARSHALL\CSA Update January 2018\Figures\X Secs\Marshall_XSects_C-C_Analytical.dwg FIGURE 11-78 BORON ANALYTICAL RESULTS CROSS SECTION C-C' MARSHALL STEAM STATION DUKE ENERGY CAROLINAS, LLC TERRELL, NORTH CAROLINAMATCHLINE 2MATCHLINE 2T. PLATING E. KINSEY/ C. NEWELL 1/26/20184004080 VERTICAL GRAPHIC SCALE IN FEET 200 0 200 400 HORIZONTAL GRAPHIC SCALE IN FEET SCALE: AS SHOWN CROSS SECTION LOCATION NOTE: CROSS SECTION C-C' IS LINEAR IN NATURE AND ALL LOCATIONS NOT ALONG THE CROSS SECTION ARE PROJECTED ONTO THE CROSS SECTION. <50 <50 25000 M6 11400 1580 283 2860 75200 1350 <50 <50 1230 6270 5810 276 <50 <50 <50 <50 <50 <50 <50 SOURCE INFORMATION: NOTES 1.DEPTH TO GROUNDWATER GAUGED IN MONITORING WELLS ON SEPTEMBER 25 & 26, 2017. 2.THE NORTH CAROLINA 2L FOR BORON IS 700 μg/L. 3.PROVISIONAL BACKGROUND THRESHOLD VALUE (PBTV) FOR BORON IS 50 μg/L WITHIN THE SHALLOW, 50 μg/L WITHIN THE DEEP, AND 50 μg/L WITHIN THE BEDROCK FLOW LAYERS. 4.ALL VERTICAL ELEVATIONS ARE MEASURED IN FEET, NORTH AMERICA VERTICAL DATUM (NAVD) OF 1988. 5.ANALYTICAL DATA PRESENTED WAS COLLECTED DURING SEPTEMBER-OCTOBER 2017. ORIGINAL CROSS SECTION BASE OBTAINED FROM HDR, CSA SUPPLEMENT 2, DATED AUGUST 2016. **CONCENTRATION IS FLAGGED DUE TO ELEVATED pH> 8.5 AND NOT CONSIDERED FOR CONTOURING PURPOSES. 2L STANDARD 700 700 700 PROVISIONAL BACKGROUND THRESHOLD VALUE (PBTV) 2.14 CONCENTRATION IN µg/L SHALLOW FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION DEEP FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION BEDROCK FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION GENERALIZED WATER TABLE MW-16BR MW-16D MW-12S ABMW-2 WELL IN TRANSITION ZONE WELL IN SAPROLITE MATERIAL WELL IN BEDROCK WELL IN ASH PORE WATER GENERALIZED GROUNDWATER FLOW DIRECTION LEGEND ASH ASH PORE WATER BEDROCK TRANSITION ZONE <0.5 CONCENTRATION IN µg/L ** ASH FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION SAPROLITE FILL AB-17DBEDROCK BEDROCKASHASH PORE WATERFILLTRANSITION ZONEAB-17SAB-18DAB-18S AB-15BR AB-15D AB-15SL AB-15SFILL A(NORTHWEST)ASH PORE WATER<0.08<0.08<0.08<0.8<0.08<0.08<0.08<0.08INDUSTRIAL LANDFILLDRY ASH BASINSAPROLITESAPROLITEASH BASIN DAMBEDROCKASH PORE WATERFILLLAKE NORMANEL. 760TRANSITION ZONEAB-12DAB-12SLAB-12S AB-9BR AB-9D AB-9S MW-8D MW-8S SB-1 A'(SOUTHEAST)ASH PORE WATERASH<0.08<0.08<0.08<0.08<0.08<0.08<0.08<0.08AB-12BR DRY ASH BASINPOWER LINE R/W<0.063 JSAPROLITEACTIVE ASH BASINLAKE NORMANDRYASH BASININDUSTRIALLANDFILLSTEAM PLANT RD.ISLAND PO INT RD .ACTIVEASH BASIN148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.comPROJECT MANAGER:LAYOUT:DRAWN BY:DATE:A-A CADMIUM01/29/2018 3:49 PMP:\Duke Energy Carolinas\18. MARSHALL\CSA Update January 2018\Figures\X Secs\Marshall_XSects_A-A_Analytical.dwgFIGURE 11-79CADMIUM ANALYTICAL RESULTSCROSS SECTION A-A'MARSHALL STEAM STATION DUKE ENERGY CAROLINAS, LLCTERRELL, NORTH CAROLINAMATCHLINE 1 MATCHLINE 1 T. PLATINGCROSS SECTION LOCATIONNOTE:CROSS SECTION A-A' IS LINEAR IN NATURE AND ALLLOCATIONS NOT ALONG THE CROSS SECTION AREPROJECTED ONTO THE CROSS SECTION.E. KINSEY/ C. NEWELL1/26/20184004080VERTICAL GRAPHIC SCALEIN FEET2000200400HORIZONTAL GRAPHIC SCALEIN FEETSCALE: AS SHOWNSOURCE INFORMATION:NOTES1.DEPTH TO GROUNDWATER GAUGED IN MONITORING WELLS ON SEPTEMBER 25 & 26, 2017.2.THE NORTH CAROLINA 2L FOR CADMIUM IS 2 μg/L.3.PROVISIONAL BACKGROUND THRESHOLD VALUE (PBTV) FOR CADMIUM IS 0.08 μg/L WITHIN THE SHALLOW,0.08 μg/L WITHIN THE DEEP, AND 0.08 μg/L WITHIN THE BEDROCK FLOW LAYERS.4.ALL VERTICAL ELEVATIONS ARE MEASURED IN FEET, NORTH AMERICA VERTICAL DATUM (NAVD) OF 1988.5.ANALYTICAL DATA PRESENTED WAS COLLECTED DURING SEPTEMBER-OCTOBER 2017.ORIGINAL CROSS SECTION BASE OBTAINED FROM HDR, CSA SUPPLEMENT 2, DATED AUGUST 2016.**CONCENTRATION IS FLAGGED DUE TO ELEVATED pH> 8.5 AND NOT CONSIDERED FOR CONTOURING PURPOSES.2.14CONCENTRATION IN µg/LSHALLOW FLOW LAYER GROUNDWATERWELL WATER LEVEL ELEVATIONDEEP FLOW LAYER GROUNDWATERWELL WATER LEVEL ELEVATIONBEDROCK FLOW LAYER GROUNDWATERWELL WATER LEVEL ELEVATIONGENERALIZED WATER TABLEMW-16BRMW-16DMW-12SABMW-2WELL IN TRANSITION ZONEWELL IN SAPROLITE MATERIALWELL IN BEDROCKWELL IN ASH PORE WATERGENERALIZED GROUNDWATERFLOW DIRECTIONLEGENDASHASH PORE WATERBEDROCKTRANSITION ZONE<0.5CONCENTRATION IN µg/L**ASH FLOW LAYER GROUNDWATERWELL WATER LEVEL ELEVATIONSAPROLITEFILLA'A LAKE NORMAN EL. 760AB-5BRAB-5DAB-5SAB-4DAB-4SLAB-4SSB-15AB-2DAB-2SBEDROCK ASH FILL TRANSITION ZONE B (WEST)(EAST) B' ASH BASIN DAM ASH PORE WATER SAPROLITE ACTIVE ASH BASIN SAPROLITE ACTIVE ASH BASIN DRY ASH BASIN INDUSTRIAL LANDFILL LAKE NORMAN STEA M P L A N T R D .ISLAN D P OI N T R D. 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY: T. PLATING DATE:E. KINSEY/ C. NEWELL B-B CADMIUM 01/29/2018 3:04 PM P:\Duke Energy Carolinas\18. MARSHALL\CSA Update January 2018\Figures\X Secs\Marshall_XSects_B-B_Analytical.dwg FIGURE 11-80 CADMIUM ANALYTICAL RESULTS CROSS SECTION B-B' MARSHALL STEAM STATION DUKE ENERGY CAROLINAS, LLC TERRELL, NORTH CAROLINA 40 0 40 80 VERTICAL GRAPHIC SCALE IN FEET 200 0 200 400 HORIZONTAL GRAPHIC SCALE IN FEET CROSS SECTION LOCATION B'B NOTE: CROSS SECTION B-B' IS LINEAR IN NATURE AND ALL LOCATIONS NOT ALONG THE CROSS SECTION ARE PROJECTED ONTO THE CROSS SECTION. SCALE: AS SHOWN 0.27 0.17 0.063j 0.075j <0.8 <0.08 <0.08 <0.08 1/26/2018 SOURCE INFORMATION: NOTES 1.DEPTH TO GROUNDWATER GAUGED IN MONITORING WELLS ON SEPTEMBER 25 & 26, 2017. 2.THE NORTH CAROLINA 2L FOR CADMIUM IS 2 μg/L. 3.PROVISIONAL BACKGROUND THRESHOLD VALUE (PBTV) FOR CADMIUM IS 0.08 μg/L WITHIN THE SHALLOW, 0.08 μg/L WITHIN THE DEEP, AND 0.08 μg/L WITHIN THE BEDROCK FLOW LAYERS. 4.ALL VERTICAL ELEVATIONS ARE MEASURED IN FEET, NORTH AMERICA VERTICAL DATUM (NAVD) OF 1988. 5.ANALYTICAL DATA PRESENTED WAS COLLECTED DURING SEPTEMBER-OCTOBER 2017. ORIGINAL CROSS SECTION BASE OBTAINED FROM HDR, CSA SUPPLEMENT 2, DATED AUGUST 2016. PROVISIONAL BACKGROUND THRESHOLD VALUE (PBTV) 2.14 CONCENTRATION IN µg/L SHALLOW FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION DEEP FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION BEDROCK FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATIONGENERALIZED WATER TABLE MW-16BR MW-16D MW-12S ABMW-2 WELL IN TRANSITION ZONE WELL IN SAPROLITE MATERIAL WELL IN BEDROCK WELL IN ASH PORE WATER GENERALIZED GROUNDWATER FLOW DIRECTION LEGEND ASH ASH PORE WATER BEDROCK TRANSITION ZONE ASH FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION SAPROLITE FILL GWA-6DGWA-6SAB-11DAB-11SAB-10DAB-10SLAB-10SC (NORTHEAST) BEDROCK TRANSITION ZONE ASH ASH PORE WATER ASH AB-10BRASH BASIN WASTE BOUNDARY SAPROLITE AB-12DAB-12SLAB-12SAB-8DAB-8SAB-6DAB-6BRAB-6SC' (SOUTHWEST)AB-11DAB-11SMW-11DMW-11SASH INNER ASH BASIN ROAD GWA-12BRGWA-12DGWA-12SSETTLING POND DUKE ENERGY PROPERTY BOUNDARY TRANSITION ZONE ASH PORE WATER ASH PORE WATER ASHAB-12BRAB-6BRAASH BASIN WASTE BOUNDARY SAPROLITE ACTIVE ASH BASIN DRY ASH BASIN INDUSTRIAL LANDFILL LAKE NORMAN STEA M P L A N T R D .ISLAN D P OI N T R D. C C' 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY:DATE: C-C CADMIUM 01/27/2018 11:48 AM P:\Duke Energy Carolinas\18. MARSHALL\CSA Update January 2018\Figures\X Secs\Marshall_XSects_C-C_Analytical.dwg FIGURE 11-81 CADMIUM ANALYTICAL RESULTS CROSS SECTION C-C' MARSHALL STEAM STATION DUKE ENERGY CAROLINAS, LLC TERRELL, NORTH CAROLINAMATCHLINE 2MATCHLINE 2T. PLATING E. KINSEY/ C. NEWELL 1/26/20184004080 VERTICAL GRAPHIC SCALE IN FEET 200 0 200 400 HORIZONTAL GRAPHIC SCALE IN FEET SCALE: AS SHOWN CROSS SECTION LOCATION NOTE: CROSS SECTION C-C' IS LINEAR IN NATURE AND ALL LOCATIONS NOT ALONG THE CROSS SECTION ARE PROJECTED ONTO THE CROSS SECTION. <0.08 0.25 0.087 <0.08 0.063 j 0.45 <1 <1 0.062 j <0.08 <0.08 <0.08 <0.08 <0.08 <0.08 <0.08 <0.08 <0.08 <0.08 <0.08 <0.08 <0.08 SOURCE INFORMATION: NOTES 1.DEPTH TO GROUNDWATER GAUGED IN MONITORING WELLS ON SEPTEMBER 25 & 26, 2017. 2.THE NORTH CAROLINA 2L FOR CADMIUM IS 2 μg/L. 3.PROVISIONAL BACKGROUND THRESHOLD VALUE (PBTV) FOR CADMIUM IS 0.08 μg/L WITHIN THE SHALLOW, 0.08 μg/L WITHIN THE DEEP, AND 0.08 μg/L WITHIN THE BEDROCK FLOW LAYERS. 4.ALL VERTICAL ELEVATIONS ARE MEASURED IN FEET, NORTH AMERICA VERTICAL DATUM (NAVD) OF 1988. 5.ANALYTICAL DATA PRESENTED WAS COLLECTED DURING SEPTEMBER-OCTOBER 2017. ORIGINAL CROSS SECTION BASE OBTAINED FROM HDR, CSA SUPPLEMENT 2, DATED AUGUST 2016. **CONCENTRATION IS FLAGGED DUE TO ELEVATED pH> 8.5 AND NOT CONSIDERED FOR CONTOURING PURPOSES. PROVISIONAL BACKGROUND THRESHOLD VALUE (PBTV) 2.14 CONCENTRATION IN µg/L SHALLOW FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION DEEP FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION BEDROCK FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION GENERALIZED WATER TABLE MW-16BR MW-16D MW-12S ABMW-2 WELL IN TRANSITION ZONE WELL IN SAPROLITE MATERIAL WELL IN BEDROCK WELL IN ASH PORE WATER GENERALIZED GROUNDWATER FLOW DIRECTION LEGEND ASH ASH PORE WATER BEDROCK TRANSITION ZONE <0.5 CONCENTRATION IN µg/L ** ASH FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION SAPROLITE FILL AB-17DBEDROCK BEDROCKASHASH PORE WATERFILLTRANSITION ZONEAB-17SAB-18DAB-18S AB-15BR AB-15D AB-15SL AB-15SFILL A(NORTHWEST)ASH PORE WATER1.214.71.88.22.12.73.841INDUSTRIAL LANDFILLDRY ASH BASINSAPROLITESAPROLITEASH BASIN DAMBEDROCKASH PORE WATERFILLLAKE NORMANEL. 760TRANSITION ZONEAB-12DAB-12SLAB-12S AB-9BR AB-9D AB-9S MW-8D MW-8S SB-1 A'(SOUTHEAST)ASH PORE WATERASH18213226901.51.92.82.48.3 M1AB-12BR DRY ASH BASIN1.7POWER LINE R/WSAPROLITEACTIVE ASH BASINLAKE NORMANDRYASH BASININDUSTRIALLANDFILLSTEAM PLANT RD.ISLAND PO INT RD .ACTIVEASH BASIN148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.comPROJECT MANAGER:LAYOUT:DRAWN BY:DATE:A-A CHLORIDE01/29/2018 3:49 PMP:\Duke Energy Carolinas\18. MARSHALL\CSA Update January 2018\Figures\X Secs\Marshall_XSects_A-A_Analytical.dwgFIGURE 11-82CHLORIDE ANALYTICAL RESULTS CROSS SECTION A-A'MARSHALL STEAM STATIONDUKE ENERGY CAROLINAS, LLCTERRELL, NORTH CAROLINAMATCHLINE 1 MATCHLINE 1 T. PLATINGCROSS SECTION LOCATIONNOTE:CROSS SECTION A-A' IS LINEAR IN NATURE AND ALLLOCATIONS NOT ALONG THE CROSS SECTION AREPROJECTED ONTO THE CROSS SECTION.E. KINSEY/ C. NEWELL1/26/20184004080VERTICAL GRAPHIC SCALEIN FEET2000200400HORIZONTAL GRAPHIC SCALEIN FEETSCALE: AS SHOWNSOURCE INFORMATION:NOTES1.DEPTH TO GROUNDWATER GAUGED IN MONITORING WELLS ON SEPTEMBER 25 & 26, 2017.2.THE NORTH CAROLINA 2L FOR CHLORIDE IS 250 mg/L.3.PROVISIONAL BACKGROUND THRESHOLD VALUE (PBTV) FOR CHLORIDE IS 5.5 mg/L WITHIN THE SHALLOW,4.7 mg/L WITHIN THE DEEP, AND 4.5 mg/L WITHIN THE BEDROCK FLOW LAYERS.4.ALL VERTICAL ELEVATIONS ARE MEASURED IN FEET, NORTH AMERICA VERTICAL DATUM (NAVD) OF 1988.5.ANALYTICAL DATA PRESENTED WAS COLLECTED DURING SEPTEMBER-OCTOBER 2017.ORIGINAL CROSS SECTION BASE OBTAINED FROM HDR, CSA SUPPLEMENT 2, DATED AUGUST 2016.PROVISIONAL BACKGROUND THRESHOLD VALUE(PBTV)**CONCENTRATION IS FLAGGED DUE TO ELEVATED pH> 8.5 AND NOT CONSIDERED FOR CONTOURING PURPOSES.2.14CONCENTRATION IN mg/LSHALLOW FLOW LAYER GROUNDWATERWELL WATER LEVEL ELEVATIONDEEP FLOW LAYER GROUNDWATERWELL WATER LEVEL ELEVATIONBEDROCK FLOW LAYER GROUNDWATERWELL WATER LEVEL ELEVATIONGENERALIZED WATER TABLEMW-16BRMW-16DMW-12SABMW-2WELL IN TRANSITION ZONEWELL IN SAPROLITE MATERIALWELL IN BEDROCKWELL IN ASH PORE WATERGENERALIZED GROUNDWATERFLOW DIRECTIONLEGENDASHASH PORE WATERBEDROCKTRANSITION ZONE<0.5CONCENTRATION IN mg/L**ASH FLOW LAYER GROUNDWATERWELL WATER LEVEL ELEVATIONSAPROLITEA'A LAKE NORMAN EL. 760AB-5BRAB-5DAB-5SAB-4DAB-4SLAB-4SSB-15AB-2DAB-2SBEDROCK ASH FILL TRANSITION ZONE B (WEST)(EAST) B' ASH BASIN DAM ASH PORE WATER SAPROLITE ACTIVE ASH BASIN SAPROLITE ACTIVE ASH BASIN DRY ASH BASIN INDUSTRIAL LANDFILL LAKE NORMAN STEA M P L A N T R D .ISLAN D P OI N T R D. 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY: T. PLATING DATE:E. KINSEY/ C. NEWELL B-B CHLORIDE 01/29/2018 3:04 PM P:\Duke Energy Carolinas\18. MARSHALL\CSA Update January 2018\Figures\X Secs\Marshall_XSects_B-B_Analytical.dwg FIGURE 11-83 CHLORIDE ANALYTICAL RESULTS CROSS SECTION B-B' MARSHALL STEAM STATION DUKE ENERGY CAROLINAS, LLC TERRELL, NORTH CAROLINA 40 0 40 80 VERTICAL GRAPHIC SCALE IN FEET 200 0 200 400 HORIZONTAL GRAPHIC SCALE IN FEET CROSS SECTION LOCATION B'B NOTE: CROSS SECTION B-B' IS LINEAR IN NATURE AND ALL LOCATIONS NOT ALONG THE CROSS SECTION ARE PROJECTED ONTO THE CROSS SECTION. SCALE: AS SHOWN 39.1 2.6 1.7 7.9 9 8.4 5.1 3 1/26/2018 SOURCE INFORMATION: NOTES 1.DEPTH TO GROUNDWATER GAUGED IN MONITORING WELLS ON SEPTEMBER 25 & 26, 2017. 2.THE NORTH CAROLINA 2L FOR CHLORIDE IS 250 mg/L. 3.PROVISIONAL BACKGROUND THRESHOLD VALUE (PBTV) FOR CHLORIDE IS 5.5 mg/L WITHIN THE SHALLOW, 4.7 mg/L WITHIN THE DEEP, AND 4.5 mg/L WITHIN THE BEDROCK FLOW LAYERS. 4.ALL VERTICAL ELEVATIONS ARE MEASURED IN FEET, NORTH AMERICA VERTICAL DATUM (NAVD) OF 1988. 5.ANALYTICAL DATA PRESENTED WAS COLLECTED DURING SEPTEMBER-OCTOBER 2017. ORIGINAL CROSS SECTION BASE OBTAINED FROM HDR, CSA SUPPLEMENT 2, DATED AUGUST 2016. PROVISIONAL BACKGROUND THRESHOLD VALUE (PBTV) 2.14 CONCENTRATION IN mg/L SHALLOW FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION DEEP FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION BEDROCK FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATIONGENERALIZED WATER TABLE MW-16BR MW-16D MW-12S ABMW-2 WELL IN TRANSITION ZONE WELL IN SAPROLITE MATERIAL WELL IN BEDROCK WELL IN ASH PORE WATER GENERALIZED GROUNDWATER FLOW DIRECTION LEGEND ASH ASH PORE WATER BEDROCK TRANSITION ZONE ASH FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION SAPROLITE FILL GWA-6DGWA-6SAB-11DAB-11SAB-10DAB-10SLAB-10SC (NORTHEAST) BEDROCK TRANSITION ZONE ASH ASH PORE WATER ASH AB-10BRASH BASIN WASTE BOUNDARY SAPROLITE AB-12DAB-12SLAB-12SAB-8DAB-8SAB-6DAB-6BRAB-6SC' (SOUTHWEST)AB-11DAB-11SMW-11DMW-11SASH INNER ASH BASIN ROAD GWA-12BRGWA-12DGWA-12SSETTLING POND DUKE ENERGY PROPERTY BOUNDARY TRANSITION ZONE ASH PORE WATER ASH PORE WATER ASHAB-12BRAB-6BRAASH BASIN WASTE BOUNDARY SAPROLITE ACTIVE ASH BASIN DRY ASH BASIN INDUSTRIAL LANDFILL LAKE NORMAN STEA M P L A N T R D .ISLAN D P OI N T R D. C C' 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY:DATE: C-C CHLORIDE 01/27/2018 11:48 AM P:\Duke Energy Carolinas\18. MARSHALL\CSA Update January 2018\Figures\X Secs\Marshall_XSects_C-C_Analytical.dwg FIGURE 11-84 CHLORIDE ANALYTICAL RESULTS CROSS SECTION C-C' MARSHALL STEAM STATION DUKE ENERGY CAROLINAS, LLC TERRELL, NORTH CAROLINAMATCHLINE 2MATCHLINE 2T. PLATING E. KINSEY/ C. NEWELL 1/26/20184004080 VERTICAL GRAPHIC SCALE IN FEET 200 0 200 400 HORIZONTAL GRAPHIC SCALE IN FEET SCALE: AS SHOWN CROSS SECTION LOCATION NOTE: CROSS SECTION C-C' IS LINEAR IN NATURE AND ALL LOCATIONS NOT ALONG THE CROSS SECTION ARE PROJECTED ONTO THE CROSS SECTION. 3.3 3.3 2 1.8 8.6 7.2 5.2 3.1 132 2690 182 1.7 2.5 4.9 M1 3.6 3.5 9.4 2 1.8 1.5 2.7 2.2 SOURCE INFORMATION: NOTES 1.DEPTH TO GROUNDWATER GAUGED IN MONITORING WELLS ON SEPTEMBER 25 & 26, 2017. 2.THE NORTH CAROLINA 2L FOR CHLORIDE IS 250 mg/L. 3.PROVISIONAL BACKGROUND THRESHOLD VALUE (PBTV) FOR CHLORIDE IS 5.5 mg/L WITHIN THE SHALLOW, 4.7 mg/L WITHIN THE DEEP, AND 4.5 mg/L WITHIN THE BEDROCK FLOW LAYERS. 4.ALL VERTICAL ELEVATIONS ARE MEASURED IN FEET, NORTH AMERICA VERTICAL DATUM (NAVD) OF 1988. 5.ANALYTICAL DATA PRESENTED WAS COLLECTED DURING SEPTEMBER-OCTOBER 2017. ORIGINAL CROSS SECTION BASE OBTAINED FROM HDR, CSA SUPPLEMENT 2, DATED AUGUST 2016. **CONCENTRATION IS FLAGGED DUE TO ELEVATED pH> 8.5 AND NOT CONSIDERED FOR CONTOURING PURPOSES. PROVISIONAL BACKGROUND THRESHOLD VALUE (PBTV) 2.14 CONCENTRATION IN mg/L SHALLOW FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION DEEP FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION BEDROCK FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION GENERALIZED WATER TABLE MW-16BR MW-16D MW-12S ABMW-2 WELL IN TRANSITION ZONE WELL IN SAPROLITE MATERIAL WELL IN BEDROCK WELL IN ASH PORE WATER GENERALIZED GROUNDWATER FLOW DIRECTION LEGEND ASH ASH PORE WATER BEDROCK TRANSITION ZONE <0.5 CONCENTRATION IN mg/L** ASH FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION SAPROLITE FILL AB-17DBEDROCK BEDROCKASHASH PORE WATERFILLTRANSITION ZONEAB-17SAB-18DAB-18S AB-15BR AB-15D AB-15SL AB-15SFILL A(NORTHWEST)ASH PORE WATER1.20.62<0.52.2 J0.12 J0.12 J0.26 J1.5INDUSTRIAL LANDFILLDRY ASH BASINSAPROLITESAPROLITEASH BASIN DAMBEDROCKASH PORE WATERFILLLAKE NORMANEL. 760TRANSITION ZONEAB-12DAB-12SLAB-12S AB-9BR AB-9D AB-9S MW-8D MW-8S SB-1 A'(SOUTHEAST)ASH PORE WATERASH8.8<0.50.18 J<0.5<0.52.70.34 J0.16 JAB-12BR DRY ASH BASINPOWER LINE R/W20.5SAPROLITEACTIVE ASH BASINLAKE NORMANDRYASH BASININDUSTRIALLANDFILLSTEAM PLANT RD.ISLAND PO INT RD .ACTIVEASH BASIN148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.comPROJECT MANAGER:LAYOUT:DRAWN BY:DATE:A-A CHROMIUM01/29/2018 3:50 PMP:\Duke Energy Carolinas\18. MARSHALL\CSA Update January 2018\Figures\X Secs\Marshall_XSects_A-A_Analytical.dwgFIGURE 11-85CHROMIUM ANALYTICAL RESULTSCROSS SECTION A-A'MARSHALL STEAM STATION DUKE ENERGY CAROLINAS, LLCTERRELL, NORTH CAROLINAMATCHLINE 1 MATCHLINE 1 T. PLATINGCROSS SECTION LOCATIONNOTE:CROSS SECTION A-A' IS LINEAR IN NATURE AND ALLLOCATIONS NOT ALONG THE CROSS SECTION AREPROJECTED ONTO THE CROSS SECTION.E. KINSEY/ C. NEWELL1/26/20184004080VERTICAL GRAPHIC SCALEIN FEET2000200400HORIZONTAL GRAPHIC SCALEIN FEETSCALE: AS SHOWNSOURCE INFORMATION:NOTES1.DEPTH TO GROUNDWATER GAUGED IN MONITORING WELLS ON SEPTEMBER 25 & 26, 2017.2.THE NORTH CAROLINA 2L FOR CHROMIUM IS 10 μg/L.3.PROVISIONAL BACKGROUND THRESHOLD VALUE (PBTV) FOR CHROMIUM IS 16.5 μg/L WITHIN THE SHALLOW,7.6 μg/L WITHIN THE DEEP, AND 8.3 μg/L WITHIN THE BEDROCK FLOW LAYERS.4.ALL VERTICAL ELEVATIONS ARE MEASURED IN FEET, NORTH AMERICA VERTICAL DATUM (NAVD) OF 1988.5.ANALYTICAL DATA PRESENTED WAS COLLECTED DURING SEPTEMBER-OCTOBER 2017.ORIGINAL CROSS SECTION BASE OBTAINED FROM HDR, CSA SUPPLEMENT 2, DATED AUGUST 2016.**CONCENTRATION IS FLAGGED DUE TO ELEVATED pH> 8.5 AND NOT CONSIDERED FOR CONTOURING PURPOSES.10PROVISIONAL BACKGROUND THRESHOLD VALUE(PBTV)2L STANDARD2.14CONCENTRATION IN µg/LSHALLOW FLOW LAYER GROUNDWATERWELL WATER LEVEL ELEVATIONDEEP FLOW LAYER GROUNDWATERWELL WATER LEVEL ELEVATIONBEDROCK FLOW LAYER GROUNDWATERWELL WATER LEVEL ELEVATIONGENERALIZED WATER TABLEMW-16BRMW-16DMW-12SABMW-2WELL IN TRANSITION ZONEWELL IN SAPROLITE MATERIALWELL IN BEDROCKWELL IN ASH PORE WATERGENERALIZED GROUNDWATERFLOW DIRECTIONLEGENDASHASH PORE WATERBEDROCKTRANSITION ZONE<0.5CONCENTRATION IN µg/L**ASH FLOW LAYER GROUNDWATERWELL WATER LEVEL ELEVATIONSAPROLITEFILLA'A LAKE NORMAN EL. 760AB-5BRAB-5DAB-5SAB-4DAB-4SLAB-4SSB-15AB-2DAB-2SBEDROCK ASH FILL TRANSITION ZONE B (WEST)(EAST) B' ASH BASIN DAM ASH PORE WATER SAPROLITE ACTIVE ASH BASIN SAPROLITE ACTIVE ASH BASIN DRY ASH BASIN INDUSTRIAL LANDFILL LAKE NORMAN STEA M P L A N T R D .ISLAN D P OI N T R D. 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY: T. PLATING DATE:E. KINSEY/ C. NEWELL B-B CHROMIUM 01/29/2018 3:04 PM P:\Duke Energy Carolinas\18. MARSHALL\CSA Update January 2018\Figures\X Secs\Marshall_XSects_B-B_Analytical.dwg FIGURE 11-86 CHROMIUM ANALYTICAL RESULTS CROSS SECTION B-B' MARSHALL STEAM STATION DUKE ENERGY CAROLINAS, LLC TERRELL, NORTH CAROLINA 40 0 40 80 VERTICAL GRAPHIC SCALE IN FEET 200 0 200 400 HORIZONTAL GRAPHIC SCALE IN FEET CROSS SECTION LOCATION B'B NOTE: CROSS SECTION B-B' IS LINEAR IN NATURE AND ALL LOCATIONS NOT ALONG THE CROSS SECTION ARE PROJECTED ONTO THE CROSS SECTION. SCALE: AS SHOWN 5.6 <0.5 <5 0.6 0.14j <0.5 <0.5 <0.5 1/26/2018 SOURCE INFORMATION: NOTES 1.DEPTH TO GROUNDWATER GAUGED IN MONITORING WELLS ON SEPTEMBER 25 & 26, 2017. 2.THE NORTH CAROLINA 2L FOR CHROMIUM IS 10 μg/L. 3.PROVISIONAL BACKGROUND THRESHOLD VALUE (PBTV) FOR CHROMIUM IS 16.5 μg/L WITHIN THE SHALLOW, 7.6 μg/L WITHIN THE DEEP, AND 8.3 μg/L WITHIN THE BEDROCK FLOW LAYERS. 4.ALL VERTICAL ELEVATIONS ARE MEASURED IN FEET, NORTH AMERICA VERTICAL DATUM (NAVD) OF 1988. 5.ANALYTICAL DATA PRESENTED WAS COLLECTED DURING SEPTEMBER-OCTOBER 2017. ORIGINAL CROSS SECTION BASE OBTAINED FROM HDR, CSA SUPPLEMENT 2, DATED AUGUST 2016. **CONCENTRATION IS FLAGGED DUE TO ELEVATED pH> 8.5 AND NOT CONSIDERED FOR CONTOURING PURPOSES. 2.14 CONCENTRATION IN µg/L SHALLOW FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION DEEP FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION BEDROCK FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATIONGENERALIZED WATER TABLE MW-16BR MW-16D MW-12S ABMW-2 WELL IN TRANSITION ZONE WELL IN SAPROLITE MATERIAL WELL IN BEDROCK WELL IN ASH PORE WATER GENERALIZED GROUNDWATER FLOW DIRECTION LEGEND ASH ASH PORE WATER BEDROCK TRANSITION ZONE ASH FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION SAPROLITE FILL GWA-6DGWA-6SAB-11DAB-11SAB-10DAB-10SLAB-10SC (NORTHEAST) BEDROCK TRANSITION ZONE ASH ASH PORE WATER ASH AB-10BRASH BASIN WASTE BOUNDARY SAPROLITE AB-12DAB-12SLAB-12SAB-8DAB-8SAB-6DAB-6BRAB-6SC' (SOUTHWEST)AB-11DAB-11SMW-11DMW-11SASH INNER ASH BASIN ROAD GWA-12BRGWA-12DGWA-12SSETTLING POND DUKE ENERGY PROPERTY BOUNDARY TRANSITION ZONE ASH PORE WATER ASH PORE WATER ASHAB-12BRAB-6BRAASH BASIN WASTE BOUNDARY SAPROLITE ACTIVE ASH BASIN DRY ASH BASIN INDUSTRIAL LANDFILL LAKE NORMAN STEA M P L A N T R D .ISLAN D P OI N T R D. C C' 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY:DATE: C-C CHROMIUM 01/27/2018 11:48 AM P:\Duke Energy Carolinas\18. MARSHALL\CSA Update January 2018\Figures\X Secs\Marshall_XSects_C-C_Analytical.dwg FIGURE 11-87 CHROMIUM ANALYTICAL RESULTS CROSS SECTION C-C' MARSHALL STEAM STATION DUKE ENERGY CAROLINAS, LLC TERRELL, NORTH CAROLINAMATCHLINE 2MATCHLINE 2T. PLATING E. KINSEY/ C. NEWELL 1/26/20184004080 VERTICAL GRAPHIC SCALE IN FEET 200 0 200 400 HORIZONTAL GRAPHIC SCALE IN FEET SCALE: AS SHOWN CROSS SECTION LOCATION NOTE: CROSS SECTION C-C' IS LINEAR IN NATURE AND ALL LOCATIONS NOT ALONG THE CROSS SECTION ARE PROJECTED ONTO THE CROSS SECTION. 0.6 0.58 <0.5 <0.5 0.27 j 0.3j 0.16 j <0.5 0.18 j 8.8 <0.5 <0.5 0.65 0.74 0.43 j 6 9 <0.5 0.28 j 0.21 j <0.5 <0.5 SOURCE INFORMATION: NOTES 1.DEPTH TO GROUNDWATER GAUGED IN MONITORING WELLS ON SEPTEMBER 25 & 26, 2017. 2.THE NORTH CAROLINA 2L FOR CHROMIUM IS 10 μg/L. 3.PROVISIONAL BACKGROUND THRESHOLD VALUE (PBTV) FOR CHROMIUM IS 16.5 μg/L WITHIN THE SHALLOW, 7.6 μg/L WITHIN THE DEEP, AND 8.3 μg/L WITHIN THE BEDROCK FLOW LAYERS. 4.ALL VERTICAL ELEVATIONS ARE MEASURED IN FEET, NORTH AMERICA VERTICAL DATUM (NAVD) OF 1988. 5.ANALYTICAL DATA PRESENTED WAS COLLECTED DURING SEPTEMBER-OCTOBER 2017. ORIGINAL CROSS SECTION BASE OBTAINED FROM HDR, CSA SUPPLEMENT 2, DATED AUGUST 2016. **CONCENTRATION IS FLAGGED DUE TO ELEVATED pH> 8.5 AND NOT CONSIDERED FOR CONTOURING PURPOSES. PROVISIONAL BACKGROUND THRESHOLD VALUE (PBTV) 2.14 CONCENTRATION IN µg/L SHALLOW FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION DEEP FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION BEDROCK FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION GENERALIZED WATER TABLE MW-16BR MW-16D MW-12S ABMW-2 WELL IN TRANSITION ZONE WELL IN SAPROLITE MATERIAL WELL IN BEDROCK WELL IN ASH PORE WATER GENERALIZED GROUNDWATER FLOW DIRECTION LEGEND ASH ASH PORE WATER BEDROCK TRANSITION ZONE <0.5 CONCENTRATION IN µg/L ** ASH FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION SAPROLITE FILL AB-17DBEDROCK BEDROCKASHASH PORE WATERFILLTRANSITION ZONEAB-17SAB-18DAB-18S AB-15BR AB-15D AB-15SL AB-15SFILL A(NORTHWEST)ASH PORE WATER0.330.470.150.2 J0.18 J0.04 J4.41.6INDUSTRIAL LANDFILLDRY ASH BASINSAPROLITESAPROLITEASH BASIN DAMBEDROCKASH PORE WATERFILLLAKE NORMANEL. 760TRANSITION ZONEAB-12DAB-12SLAB-12S AB-9BR AB-9D AB-9S MW-8D MW-8S SB-1 A'(SOUTHEAST)ASH PORE WATERASH0.1<0.10.180.163.81.61.20.35AB-12BR DRY ASH BASINPOWER LINE R/W0.049 JSAPROLITEACTIVE ASH BASINLAKE NORMANDRYASH BASININDUSTRIALLANDFILLSTEAM PLANT RD.ISLAND PO INT RD .ACTIVEASH BASIN148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.comPROJECT MANAGER:LAYOUT:DRAWN BY:DATE:A-A COBALT01/29/2018 3:50 PMP:\Duke Energy Carolinas\18. MARSHALL\CSA Update January 2018\Figures\X Secs\Marshall_XSects_A-A_Analytical.dwgFIGURE 11-88COBALT ANALYTICAL RESULTS CROSS SECTION A-A'MARSHALL STEAM STATION DUKE ENERGY CAROLINAS, LLCTERRELL, NORTH CAROLINAMATCHLINE 1 MATCHLINE 1 T. PLATINGCROSS SECTION LOCATIONNOTE:CROSS SECTION A-A' IS LINEAR IN NATURE AND ALLLOCATIONS NOT ALONG THE CROSS SECTION AREPROJECTED ONTO THE CROSS SECTION.E. KINSEY/ C. NEWELL1/26/20184004080VERTICAL GRAPHIC SCALEIN FEET2000200400HORIZONTAL GRAPHIC SCALEIN FEETSCALE: AS SHOWNSOURCE INFORMATION:NOTES1.DEPTH TO GROUNDWATER GAUGED IN MONITORING WELLS ON SEPTEMBER 25 & 26, 2017.2.THE NORTH CAROLINA IMAC FOR COBALT IS 1 μg/L.3.PROVISIONAL BACKGROUND THRESHOLD VALUE (PBTV) FOR COBALT IS 1.2 μg/L WITHIN THE SHALLOW,1.9 μg/L WITHIN THE DEEP, AND 2.8 μg/L WITHIN THE BEDROCK FLOW LAYERS.4.ALL VERTICAL ELEVATIONS ARE MEASURED IN FEET, NORTH AMERICA VERTICAL DATUM (NAVD) OF 1988.5.ANALYTICAL DATA PRESENTED WAS COLLECTED DURING SEPTEMBER-OCTOBER 2017.ORIGINAL CROSS SECTION BASE OBTAINED FROM HDR, CSA SUPPLEMENT 2, DATED AUGUST 2016.**CONCENTRATION IS FLAGGED DUE TO ELEVATED pH> 8.5 AND NOT CONSIDERED FOR CONTOURING PURPOSES.PROVISIONAL BACKGROUND THRESHOLD VALUE(PBTV)2.14CONCENTRATION IN µg/LSHALLOW FLOW LAYER GROUNDWATERWELL WATER LEVEL ELEVATIONDEEP FLOW LAYER GROUNDWATERWELL WATER LEVEL ELEVATIONBEDROCK FLOW LAYER GROUNDWATERWELL WATER LEVEL ELEVATIONGENERALIZED WATER TABLEMW-16BRMW-16DMW-12SABMW-2WELL IN TRANSITION ZONEWELL IN SAPROLITE MATERIALWELL IN BEDROCKWELL IN ASH PORE WATERGENERALIZED GROUNDWATERFLOW DIRECTIONLEGENDASHASH PORE WATERBEDROCKTRANSITION ZONE<0.5CONCENTRATION IN µg/L**ASH FLOW LAYER GROUNDWATERWELL WATER LEVEL ELEVATIONSAPROLITEFILLA'A LAKE NORMAN EL. 760AB-5BRAB-5DAB-5SAB-4DAB-4SLAB-4SSB-15AB-2DAB-2SBEDROCK ASH FILL TRANSITION ZONE B (WEST)(EAST) B' ASH BASIN DAM ASH PORE WATER SAPROLITE ACTIVE ASH BASIN SAPROLITE ACTIVE ASH BASIN DRY ASH BASIN INDUSTRIAL LANDFILL LAKE NORMAN STEA M P L A N T R D .ISLAN D P OI N T R D. 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY: T. PLATING DATE:E. KINSEY/ C. NEWELL B-B COBALT 01/29/2018 3:04 PM P:\Duke Energy Carolinas\18. MARSHALL\CSA Update January 2018\Figures\X Secs\Marshall_XSects_B-B_Analytical.dwg FIGURE 11-89 COBALT ANALYTICAL RESULTS CROSS SECTION B-B' MARSHALL STEAM STATION DUKE ENERGY CAROLINAS, LLC TERRELL, NORTH CAROLINA 40 0 40 80 VERTICAL GRAPHIC SCALE IN FEET 200 0 200 400 HORIZONTAL GRAPHIC SCALE IN FEET CROSS SECTION LOCATION B'B NOTE: CROSS SECTION B-B' IS LINEAR IN NATURE AND ALL LOCATIONS NOT ALONG THE CROSS SECTION ARE PROJECTED ONTO THE CROSS SECTION. SCALE: AS SHOWN 36.4 4 0.98 0.47 0.37j 0.38 0.52 16.1 1/26/2018 SOURCE INFORMATION: NOTES 1.DEPTH TO GROUNDWATER GAUGED IN MONITORING WELLS ON SEPTEMBER 25 & 26, 2017. 2.THE NORTH CAROLINA IMAC FOR COBALT IS 1 μg/L. 3.PROVISIONAL BACKGROUND THRESHOLD VALUE (PBTV) FOR COBALT IS 1.2 μg/L WITHIN THE SHALLOW, 1.9 μg/L WITHIN THE DEEP, AND 2.8 μg/L WITHIN THE BEDROCK FLOW LAYERS. 4.ALL VERTICAL ELEVATIONS ARE MEASURED IN FEET, NORTH AMERICA VERTICAL DATUM (NAVD) OF 1988. 5.ANALYTICAL DATA PRESENTED WAS COLLECTED DURING SEPTEMBER-OCTOBER 2017. ORIGINAL CROSS SECTION BASE OBTAINED FROM HDR, CSA SUPPLEMENT 2, DATED AUGUST 2016. PROVISIONAL BACKGROUND THRESHOLD VALUE (PBTV) 2.14 CONCENTRATION IN µg/L SHALLOW FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION DEEP FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION BEDROCK FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATIONGENERALIZED WATER TABLE MW-16BR MW-16D MW-12S ABMW-2 WELL IN TRANSITION ZONE WELL IN SAPROLITE MATERIAL WELL IN BEDROCK WELL IN ASH PORE WATER GENERALIZED GROUNDWATER FLOW DIRECTION LEGEND ASH ASH PORE WATER BEDROCK TRANSITION ZONE ASH FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION SAPROLITE FILL GWA-6DGWA-6SAB-11DAB-11SAB-10DAB-10SLAB-10SC (NORTHEAST) BEDROCK TRANSITION ZONE ASH ASH PORE WATER ASH AB-10BRASH BASIN WASTE BOUNDARY SAPROLITE AB-12DAB-12SLAB-12SAB-8DAB-8SAB-6DAB-6BRAB-6SC' (SOUTHWEST)AB-11DAB-11SMW-11DMW-11SASH INNER ASH BASIN ROAD GWA-12BRGWA-12DGWA-12SSETTLING POND DUKE ENERGY PROPERTY BOUNDARY TRANSITION ZONE ASH PORE WATER ASH PORE WATER ASHAB-12BRAB-6BRAASH BASIN WASTE BOUNDARY SAPROLITE ACTIVE ASH BASIN DRY ASH BASIN INDUSTRIAL LANDFILL LAKE NORMAN STEA M P L A N T R D .ISLAN D P OI N T R D. C C' 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY:DATE: C-C COBALT 01/27/2018 11:48 AM P:\Duke Energy Carolinas\18. MARSHALL\CSA Update January 2018\Figures\X Secs\Marshall_XSects_C-C_Analytical.dwg FIGURE 11-90 COBALT ANALYTICAL RESULTS CROSS SECTION C-C' MARSHALL STEAM STATION DUKE ENERGY CAROLINAS, LLC TERRELL, NORTH CAROLINAMATCHLINE 2MATCHLINE 2T. PLATING E. KINSEY/ C. NEWELL 1/26/20184004080 VERTICAL GRAPHIC SCALE IN FEET 200 0 200 400 HORIZONTAL GRAPHIC SCALE IN FEET SCALE: AS SHOWN CROSS SECTION LOCATION NOTE: CROSS SECTION C-C' IS LINEAR IN NATURE AND ALL LOCATIONS NOT ALONG THE CROSS SECTION ARE PROJECTED ONTO THE CROSS SECTION. 0.26 0.11 0.73 0.061 j 1.7 2.2 9.6 0.1 <0.1 0.18 0.1 0.049 j 0.15 10.8 1.5 0.61 0.024 j 0.73 0.061 j 1.5 0.25 0.66 SOURCE INFORMATION: NOTES 1.DEPTH TO GROUNDWATER GAUGED IN MONITORING WELLS ON SEPTEMBER 25 & 26, 2017. 2.THE NORTH CAROLINA IMAC FOR COBALT IS 1 μg/L. 3.PROVISIONAL BACKGROUND THRESHOLD VALUE (PBTV) FOR COBALT IS 1.2 μg/L WITHIN THE SHALLOW, 1.9 μg/L WITHIN THE DEEP, AND 2.8 μg/L WITHIN THE BEDROCK FLOW LAYERS. 4.ALL VERTICAL ELEVATIONS ARE MEASURED IN FEET, NORTH AMERICA VERTICAL DATUM (NAVD) OF 1988. 5.ANALYTICAL DATA PRESENTED WAS COLLECTED DURING SEPTEMBER-OCTOBER 2017. ORIGINAL CROSS SECTION BASE OBTAINED FROM HDR, CSA SUPPLEMENT 2, DATED AUGUST 2016. **CONCENTRATION IS FLAGGED DUE TO ELEVATED pH> 8.5 AND NOT CONSIDERED FOR CONTOURING PURPOSES. PROVISIONAL BACKGROUND THRESHOLD VALUE (PBTV) 2.14 CONCENTRATION IN µg/L SHALLOW FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION DEEP FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION BEDROCK FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION GENERALIZED WATER TABLE MW-16BR MW-16D MW-12S ABMW-2 WELL IN TRANSITION ZONE WELL IN SAPROLITE MATERIAL WELL IN BEDROCK WELL IN ASH PORE WATER GENERALIZED GROUNDWATER FLOW DIRECTION LEGEND ASH ASH PORE WATER BEDROCK TRANSITION ZONE <0.5 CONCENTRATION IN µg/L ** ASH FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION SAPROLITE FILL AB-17DBEDROCK BEDROCKASHASH PORE WATERFILLTRANSITION ZONEAB-17SAB-18DAB-18S AB-15BR AB-15D AB-15SL AB-15SFILL A(NORTHWEST)ASH PORE WATER49.4 J13600053.14050213024901220013200INDUSTRIAL LANDFILLDRY ASH BASINSAPROLITESAPROLITEASH BASIN DAMBEDROCKASH PORE WATERFILLLAKE NORMANEL. 760TRANSITION ZONEAB-12DAB-12SLAB-12S AB-9BR AB-9D AB-9S MW-8D MW-8S SB-1 A'(SOUTHEAST)ASH PORE WATERASH1298460135007111100131845863AB-12BR DRY ASH BASIN117POWER LINE R/WSAPROLITEACTIVE ASH BASINLAKE NORMANDRYASH BASININDUSTRIALLANDFILLSTEAM PLANT RD.ISLAND PO INT RD .ACTIVEASH BASIN148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.comPROJECT MANAGER:LAYOUT:DRAWN BY:DATE:A-A IRON01/29/2018 3:50 PMP:\Duke Energy Carolinas\18. MARSHALL\CSA Update January 2018\Figures\X Secs\Marshall_XSects_A-A_Analytical.dwgFIGURE 11-91IRON ANALYTICAL RESULTS CROSS SECTION A-A'MARSHALL STEAM STATIONDUKE ENERGY CAROLINAS, LLCTERRELL, NORTH CAROLINAMATCHLINE 1 MATCHLINE 1 T. PLATINGCROSS SECTION LOCATIONNOTE:CROSS SECTION A-A' IS LINEAR IN NATURE AND ALLLOCATIONS NOT ALONG THE CROSS SECTION AREPROJECTED ONTO THE CROSS SECTION.E. KINSEY/ C. NEWELL1/26/20184004080VERTICAL GRAPHIC SCALEIN FEET2000200400HORIZONTAL GRAPHIC SCALEIN FEETSCALE: AS SHOWNSOURCE INFORMATION:NOTES1.DEPTH TO GROUNDWATER GAUGED IN MONITORING WELLS ON SEPTEMBER 25 & 26, 2017.2.THE NORTH CAROLINA 2L FOR IRON IS IS 300 μg/L.3.PROVISIONAL BACKGROUND THRESHOLD VALUE (PBTV) FOR IRON IS 744 μg/L WITHIN THE SHALLOW,272 μg/L WITHIN THE DEEP, AND 792 μg/L WITHIN THE BEDROCK FLOW LAYERS.4.ALL VERTICAL ELEVATIONS ARE MEASURED IN FEET, NORTH AMERICA VERTICAL DATUM (NAVD) OF 1988.5.ANALYTICAL DATA PRESENTED WAS COLLECTED DURING SEPTEMBER-OCTOBER 2017.ORIGINAL CROSS SECTION BASE OBTAINED FROM HDR, CSA SUPPLEMENT 2, DATED AUGUST 2016.**CONCENTRATION IS FLAGGED DUE TO ELEVATED pH> 8.5 AND NOT CONSIDERED FOR CONTOURING PURPOSES.PROVISIONAL BACKGROUND THRESHOLD VALUE(PBTV)2.14CONCENTRATION IN µg/LSHALLOW FLOW LAYER GROUNDWATERWELL WATER LEVEL ELEVATIONDEEP FLOW LAYER GROUNDWATERWELL WATER LEVEL ELEVATIONBEDROCK FLOW LAYER GROUNDWATERWELL WATER LEVEL ELEVATIONGENERALIZED WATER TABLEMW-16BRMW-16DMW-12SABMW-2WELL IN TRANSITION ZONEWELL IN SAPROLITE MATERIALWELL IN BEDROCKWELL IN ASH PORE WATERGENERALIZED GROUNDWATERFLOW DIRECTIONLEGENDASHASH PORE WATERBEDROCKTRANSITION ZONE<0.5CONCENTRATION IN µg/L**ASH FLOW LAYER GROUNDWATERWELL WATER LEVEL ELEVATIONSAPROLITEFILLA'A LAKE NORMAN EL. 760AB-5BRAB-5DAB-5SAB-4DAB-4SLAB-4SSB-15AB-2DAB-2SBEDROCK ASH FILL TRANSITION ZONE B (WEST)(EAST) B' ASH BASIN DAM ASH PORE WATER SAPROLITE ACTIVE ASH BASIN SAPROLITE ACTIVE ASH BASIN DRY ASH BASIN INDUSTRIAL LANDFILL LAKE NORMAN STEA M P L A N T R D .ISLAN D P OI N T R D. 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY: T. PLATING DATE:E. KINSEY/ C. NEWELL B-B IRON 01/29/2018 3:04 PM P:\Duke Energy Carolinas\18. MARSHALL\CSA Update January 2018\Figures\X Secs\Marshall_XSects_B-B_Analytical.dwg FIGURE 11-92 IRON ANALYTICAL RESULTS CROSS SECTION B-B' MARSHALL STEAM STATION DUKE ENERGY CAROLINAS, LLC TERRELL, NORTH CAROLINA 40 0 40 80 VERTICAL GRAPHIC SCALE IN FEET 200 0 200 400 HORIZONTAL GRAPHIC SCALE IN FEET CROSS SECTION LOCATION B'B NOTE: CROSS SECTION B-B' IS LINEAR IN NATURE AND ALL LOCATIONS NOT ALONG THE CROSS SECTION ARE PROJECTED ONTO THE CROSS SECTION. SCALE: AS SHOWN 272000 762 202 39.5j 70.2 1740 162 1480 1/26/2018 SOURCE INFORMATION: NOTES 1.DEPTH TO GROUNDWATER GAUGED IN MONITORING WELLS ON SEPTEMBER 25 & 26, 2017. 2.THE NORTH CAROLINA 2L FOR IRON IS 300 μg/L. 3.PROVISIONAL BACKGROUND THRESHOLD VALUE (PBTV) FOR IRON IS 744 μg/L WITHIN THE SHALLOW, 272 μg/L WITHIN THE DEEP, AND 792 μg/L WITHIN THE BEDROCK FLOW LAYERS. 4.ALL VERTICAL ELEVATIONS ARE MEASURED IN FEET, NORTH AMERICA VERTICAL DATUM (NAVD) OF 1988. 5.ANALYTICAL DATA PRESENTED WAS COLLECTED DURING SEPTEMBER-OCTOBER 2017. ORIGINAL CROSS SECTION BASE OBTAINED FROM HDR, CSA SUPPLEMENT 2, DATED AUGUST 2016. PROVISIONAL BACKGROUND THRESHOLD VALUE (PBTV) 2.14 CONCENTRATION IN µg/L SHALLOW FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION DEEP FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION BEDROCK FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATIONGENERALIZED WATER TABLE MW-16BR MW-16D MW-12S ABMW-2 WELL IN TRANSITION ZONE WELL IN SAPROLITE MATERIAL WELL IN BEDROCK WELL IN ASH PORE WATER GENERALIZED GROUNDWATER FLOW DIRECTION LEGEND ASH ASH PORE WATER BEDROCK TRANSITION ZONE ASH FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION SAPROLITE FILL GWA-6DGWA-6SAB-11DAB-11SAB-10DAB-10SLAB-10SC (NORTHEAST) BEDROCK TRANSITION ZONE ASH ASH PORE WATER ASH AB-10BRASH BASIN WASTE BOUNDARY SAPROLITE AB-12DAB-12SLAB-12SAB-8DAB-8SAB-6DAB-6BRAB-6SC' (SOUTHWEST)AB-11DAB-11SMW-11DMW-11SASH INNER ASH BASIN ROAD GWA-12BRGWA-12DGWA-12SSETTLING POND DUKE ENERGY PROPERTY BOUNDARY TRANSITION ZONE ASH PORE WATER ASH PORE WATER ASHAB-12BRAB-6BRAASH BASIN WASTE BOUNDARY SAPROLITE ACTIVE ASH BASIN DRY ASH BASIN INDUSTRIAL LANDFILL LAKE NORMAN STEA M P L A N T R D .ISLAN D P OI N T R D. C C' 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY:DATE: C-C IRON 01/27/2018 11:48 AM P:\Duke Energy Carolinas\18. MARSHALL\CSA Update January 2018\Figures\X Secs\Marshall_XSects_C-C_Analytical.dwg FIGURE 11-93 IRON ANALYTICAL RESULTS CROSS SECTION C-C' MARSHALL STEAM STATION DUKE ENERGY CAROLINAS, LLC TERRELL, NORTH CAROLINAMATCHLINE 2MATCHLINE 2T. PLATING E. KINSEY/ C. NEWELL 1/26/20184004080 VERTICAL GRAPHIC SCALE IN FEET 200 0 200 400 HORIZONTAL GRAPHIC SCALE IN FEET SCALE: AS SHOWN CROSS SECTION LOCATION NOTE: CROSS SECTION C-C' IS LINEAR IN NATURE AND ALL LOCATIONS NOT ALONG THE CROSS SECTION ARE PROJECTED ONTO THE CROSS SECTION. <50 305 79.9 55.1 9040 272 3750 311 8460 13500 129 117 78.4 19300 6070 5900 36.1 j 27 79 400 96.3 47.4 j SOURCE INFORMATION: NOTES 1.DEPTH TO GROUNDWATER GAUGED IN MONITORING WELLS ON SEPTEMBER 25 & 26, 2017. 2.THE NORTH CAROLINA 2L FOR IRON IS 300 μg/L. 3.PROVISIONAL BACKGROUND THRESHOLD VALUE (PBTV) FOR IRON IS 744 μg/L WITHIN THE SHALLOW, 272 μg/L WITHIN THE DEEP, AND 792 μg/L WITHIN THE BEDROCK FLOW LAYERS. 4.ALL VERTICAL ELEVATIONS ARE MEASURED IN FEET, NORTH AMERICA VERTICAL DATUM (NAVD) OF 1988. 5.ANALYTICAL DATA PRESENTED WAS COLLECTED DURING SEPTEMBER-OCTOBER 2017. ORIGINAL CROSS SECTION BASE OBTAINED FROM HDR, CSA SUPPLEMENT 2, DATED AUGUST 2016. **CONCENTRATION IS FLAGGED DUE TO ELEVATED pH> 8.5 AND NOT CONSIDERED FOR CONTOURING PURPOSES. PROVISIONAL BACKGROUND THRESHOLD VALUE (PBTV) 2.14 CONCENTRATION IN µg/L SHALLOW FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION DEEP FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION BEDROCK FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION GENERALIZED WATER TABLE MW-16BR MW-16D MW-12S ABMW-2 WELL IN TRANSITION ZONE WELL IN SAPROLITE MATERIAL WELL IN BEDROCK WELL IN ASH PORE WATER GENERALIZED GROUNDWATER FLOW DIRECTION LEGEND ASH ASH PORE WATER BEDROCK TRANSITION ZONE <0.5 CONCENTRATION IN µg/L ** ASH FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION SAPROLITE FILL AB-17DBEDROCK BEDROCKASHASH PORE WATERFILLTRANSITION ZONEAB-17SAB-18DAB-18S AB-15BR AB-15D AB-15SL AB-15SFILL A(NORTHWEST)ASH PORE WATER102300013385925524413402570INDUSTRIAL LANDFILLDRY ASH BASINSAPROLITESAPROLITEASH BASIN DAMBEDROCKASH PORE WATERFILLLAKE NORMANEL. 760TRANSITION ZONEAB-12DAB-12SLAB-12S AB-9BR AB-9D AB-9S MW-8D MW-8S SB-1 A'(SOUTHEAST)ASH PORE WATERASH148118055409569.62164780114AB-12BR DRY ASH BASINPOWER LINE R/W31.9SAPROLITEACTIVE ASH BASINLAKE NORMANDRYASH BASININDUSTRIALLANDFILLSTEAM PLANT RD.ISLAND PO INT RD .ACTIVEASH BASIN148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.comPROJECT MANAGER:LAYOUT:DRAWN BY:DATE:A-A MANGANESE01/29/2018 3:50 PMP:\Duke Energy Carolinas\18. MARSHALL\CSA Update January 2018\Figures\X Secs\Marshall_XSects_A-A_Analytical.dwgFIGURE 11-94MANGANESE ANALYTICAL RESULTSCROSS SECTION A-A'MARSHALL STEAM STATIONDUKE ENERGY CAROLINAS, LLCTERRELL, NORTH CAROLINAMATCHLINE 1 MATCHLINE 1 T. PLATINGCROSS SECTION LOCATIONNOTE:CROSS SECTION A-A' IS LINEAR IN NATURE AND ALLLOCATIONS NOT ALONG THE CROSS SECTION AREPROJECTED ONTO THE CROSS SECTION.E. KINSEY/ C. NEWELL1/26/20184004080VERTICAL GRAPHIC SCALEIN FEET2000200400HORIZONTAL GRAPHIC SCALEIN FEETSCALE: AS SHOWNSOURCE INFORMATION:NOTES1.DEPTH TO GROUNDWATER GAUGED IN MONITORING WELLS ON SEPTEMBER 25 & 26, 2017.2.THE NORTH CAROLINA 2L FOR MANGANESE IS 50 μg/L.3.PROVISIONAL BACKGROUND THRESHOLD VALUE (PBTV) FOR MANGANESE IS 75.3 μg/L WITHIN THE SHALLOW,141 μg/L WITHIN THE DEEP, AND 26.6 μg/L WITHIN THE BEDROCK FLOW LAYERS.4.ALL VERTICAL ELEVATIONS ARE MEASURED IN FEET, NORTH AMERICA VERTICAL DATUM (NAVD) OF 1988.5.ANALYTICAL DATA PRESENTED WAS COLLECTED DURING SEPTEMBER-OCTOBER 2017.ORIGINAL CROSS SECTION BASE OBTAINED FROM HDR, CSA SUPPLEMENT 2, DATED AUGUST 2016.**CONCENTRATION IS FLAGGED DUE TO ELEVATED pH> 8.5 AND NOT CONSIDERED FOR CONTOURING PURPOSES.PROVISIONAL BACKGROUND THRESHOLD VALUE(PBTV)2.14CONCENTRATION IN µg/LSHALLOW FLOW LAYER GROUNDWATERWELL WATER LEVEL ELEVATIONDEEP FLOW LAYER GROUNDWATERWELL WATER LEVEL ELEVATIONBEDROCK FLOW LAYER GROUNDWATERWELL WATER LEVEL ELEVATIONGENERALIZED WATER TABLEMW-16BRMW-16DMW-12SABMW-2WELL IN TRANSITION ZONEWELL IN SAPROLITE MATERIALWELL IN BEDROCKWELL IN ASH PORE WATERGENERALIZED GROUNDWATERFLOW DIRECTIONLEGENDASHASH PORE WATERBEDROCKTRANSITION ZONE<0.5CONCENTRATION IN µg/L**ASH FLOW LAYER GROUNDWATERWELL WATER LEVEL ELEVATIONSAPROLITEFILLA'A LAKE NORMAN EL. 760AB-5BRAB-5DAB-5SAB-4DAB-4SLAB-4SSB-15AB-2DAB-2SBEDROCK ASH FILL TRANSITION ZONE ASH BASIN DAM ASH PORE WATER SAPROLITE ACTIVE ASH BASIN SAPROLITE ACTIVE ASH BASIN DRY ASH BASIN INDUSTRIAL LANDFILL LAKE NORMAN STEA M P L A N T R D .ISLAN D P OI N T R D. 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY: T. PLATING DATE:E. KINSEY/ C. NEWELL B-B MANGANESE 01/29/2018 3:04 PM P:\Duke Energy Carolinas\18. MARSHALL\CSA Update January 2018\Figures\X Secs\Marshall_XSects_B-B_Analytical.dwg FIGURE 11-95 MANGANESE ANALYTICAL RESULTS CROSS SECTION B-B' MARSHALL STEAM STATION DUKE ENERGY CAROLINAS, LLC TERRELL, NORTH CAROLINA 40 0 40 80 VERTICAL GRAPHIC SCALE IN FEET 200 0 200 400 HORIZONTAL GRAPHIC SCALE IN FEET CROSS SECTION LOCATION B'B NOTE: CROSS SECTION B-B' IS LINEAR IN NATURE AND ALL LOCATIONS NOT ALONG THE CROSS SECTION ARE PROJECTED ONTO THE CROSS SECTION. SCALE: AS SHOWN 4060 541 112 930 25.8 74.2 38.6 917 1/26/2018 SOURCE INFORMATION: NOTES 1.DEPTH TO GROUNDWATER GAUGED IN MONITORING WELLS ON SEPTEMBER 25 & 26, 2017. 2.THE NORTH CAROLINA 2L FOR MANGANESE IS 50 μg/L. 3.PROVISIONAL BACKGROUND THRESHOLD VALUE (PBTV) FOR MANGANESE IS 75.3 μg/L WITHIN THE SHALLOW, 141 μg/L WITHIN THE DEEP, AND 26.6 μg/L WITHIN THE BEDROCK FLOW LAYERS. 4.ALL VERTICAL ELEVATIONS ARE MEASURED IN FEET, NORTH AMERICA VERTICAL DATUM (NAVD) OF 1988. 5.ANALYTICAL DATA PRESENTED WAS COLLECTED DURING SEPTEMBER-OCTOBER 2017. ORIGINAL CROSS SECTION BASE OBTAINED FROM HDR, CSA SUPPLEMENT 2, DATED AUGUST 2016. PROVISIONAL BACKGROUND THRESHOLD VALUE (PBTV) 2.14 CONCENTRATION IN µg/L SHALLOW FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION DEEP FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION BEDROCK FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATIONGENERALIZED WATER TABLE MW-16BR MW-16D MW-12S ABMW-2 WELL IN TRANSITION ZONE WELL IN SAPROLITE MATERIAL WELL IN BEDROCK WELL IN ASH PORE WATER GENERALIZED GROUNDWATER FLOW DIRECTION LEGEND ASH ASH PORE WATER BEDROCK TRANSITION ZONE ASH FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION SAPROLITE FILL GWA-6DGWA-6SAB-11DAB-11SAB-10DAB-10SLAB-10SC (NORTHEAST) BEDROCK TRANSITION ZONE ASH ASH PORE WATER ASH AB-10BRASH BASIN WASTE BOUNDARY SAPROLITE AB-12DAB-12SLAB-12SAB-8DAB-8SAB-6DAB-6BRAB-6SC' (SOUTHWEST)AB-11DAB-11SMW-11DMW-11SASH INNER ASH BASIN ROAD GWA-12BRGWA-12DGWA-12SSETTLING POND DUKE ENERGY PROPERTY BOUNDARY TRANSITION ZONE ASH PORE WATER ASH PORE WATER ASHAB-12BRAB-6BRAASH BASIN WASTE BOUNDARY SAPROLITE ACTIVE ASH BASIN DRY ASH BASIN INDUSTRIAL LANDFILL LAKE NORMAN STEA M P L A N T R D .ISLAN D P OI N T R D. C C' 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY:DATE: C-C MANGANESE 01/27/2018 11:48 AM P:\Duke Energy Carolinas\18. MARSHALL\CSA Update January 2018\Figures\X Secs\Marshall_XSects_C-C_Analytical.dwg FIGURE 11-96 MANGANESE ANALYTICAL RESULTS CROSS SECTION C-C' MARSHALL STEAM STATION DUKE ENERGY CAROLINAS, LLC TERRELL, NORTH CAROLINAMATCHLINE 2MATCHLINE 2T. PLATING E. KINSEY/ C. NEWELL 1/26/20184004080 VERTICAL GRAPHIC SCALE IN FEET 200 0 200 400 HORIZONTAL GRAPHIC SCALE IN FEET SCALE: AS SHOWN CROSS SECTION LOCATION NOTE: CROSS SECTION C-C' IS LINEAR IN NATURE AND ALL LOCATIONS NOT ALONG THE CROSS SECTION ARE PROJECTED ONTO THE CROSS SECTION. 8.6 16.6 68.8 3.4 j 1500 586 3530 29.8 1180 5540 148 31.9 351 1160 430 1640 64.4 <5 <5 279 <5 22.1 SOURCE INFORMATION: NOTES 1.DEPTH TO GROUNDWATER GAUGED IN MONITORING WELLS ON SEPTEMBER 25 & 26, 2017. 2.THE NORTH CAROLINA 2L FOR MANGANESE IS 50 μg/L. 3.PROVISIONAL BACKGROUND THRESHOLD VALUE (PBTV) FOR MANGANESE IS 75.3 μg/L WITHIN THE SHALLOW, 141 μg/L WITHIN THE DEEP, AND 26.6 μg/L WITHIN THE BEDROCK FLOW LAYERS. 4.ALL VERTICAL ELEVATIONS ARE MEASURED IN FEET, NORTH AMERICA VERTICAL DATUM (NAVD) OF 1988. 5.ANALYTICAL DATA PRESENTED WAS COLLECTED DURING SEPTEMBER-OCTOBER 2017. ORIGINAL CROSS SECTION BASE OBTAINED FROM HDR, CSA SUPPLEMENT 2, DATED AUGUST 2016. **CONCENTRATION IS FLAGGED DUE TO ELEVATED pH> 8.5 AND NOT CONSIDERED FOR CONTOURING PURPOSES. PROVISIONAL BACKGROUND THRESHOLD VALUE (PBTV) 2.14 CONCENTRATION IN µg/L SHALLOW FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION DEEP FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION BEDROCK FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION GENERALIZED WATER TABLE MW-16BR MW-16D MW-12S ABMW-2 WELL IN TRANSITION ZONE WELL IN SAPROLITE MATERIAL WELL IN BEDROCK WELL IN ASH PORE WATER GENERALIZED GROUNDWATER FLOW DIRECTION LEGEND ASH ASH PORE WATER BEDROCK TRANSITION ZONE <0.5 CONCENTRATION IN µg/L ** ASH FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION SAPROLITE FILL AB-17DBEDROCK BEDROCKASHASH PORE WATERFILLTRANSITION ZONEAB-17SAB-18DAB-18S AB-15BR AB-15D AB-15SL AB-15SFILL A(NORTHWEST)ASH PORE WATER0.7761.12851.20.7425.220.1INDUSTRIAL LANDFILLDRY ASH BASINSAPROLITESAPROLITEASH BASIN DAMBEDROCKASH PORE WATERFILLLAKE NORMANEL. 760TRANSITION ZONEAB-12DAB-12SLAB-12S AB-9BR AB-9D AB-9S MW-8D MW-8S SB-1 A'(SOUTHEAST)ASH PORE WATERASH0.42 J4525.15.22.7<0.50.850.15 JAB-12BR DRY ASH BASINPOWER LINE R/W2.8SAPROLITEACTIVE ASH BASINLAKE NORMANDRYASH BASININDUSTRIALLANDFILLSTEAM PLANT RD.ISLAND PO INT RD .ACTIVEASH BASIN148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.comPROJECT MANAGER:LAYOUT:DRAWN BY:DATE:A-A MOLYBDENUM01/29/2018 3:50 PMP:\Duke Energy Carolinas\18. MARSHALL\CSA Update January 2018\Figures\X Secs\Marshall_XSects_A-A_Analytical.dwgFIGURE 11-97MOLYBDENUM ANALYTICAL RESULTS CROSS SECTION A-A'MARSHALL STEAM STATIONDUKE ENERGY CAROLINAS, LLCTERRELL, NORTH CAROLINAMATCHLINE 1 MATCHLINE 1 T. PLATINGCROSS SECTION LOCATIONNOTE:CROSS SECTION A-A' IS LINEAR IN NATURE AND ALLLOCATIONS NOT ALONG THE CROSS SECTION AREPROJECTED ONTO THE CROSS SECTION.E. KINSEY/ C. NEWELL1/26/20184004080VERTICAL GRAPHIC SCALEIN FEET2000200400HORIZONTAL GRAPHIC SCALEIN FEETA'ASCALE: AS SHOWNSOURCE INFORMATION:NOTES1.DEPTH TO GROUNDWATER GAUGED IN MONITORING WELLS ON SEPTEMBER 25 & 26, 2017.2.A NORTH CAROLINA 2L/IMAC FOR MOLYBDENUM IS NOT ESTABLISHED.3.PROVISIONAL BACKGROUND THRESHOLD VALUE (PBTV) FOR MOLYBDENUM IS 0.5 μg/L WITHIN THE SHALLOW,3.2 μg/L WITHIN THE DEEP, AND 3 μg/L WITHIN THE BEDROCK FLOW LAYERS.4.ALL VERTICAL ELEVATIONS ARE MEASURED IN FEET, NORTH AMERICA VERTICAL DATUM (NAVD) OF 1988.5.ANALYTICAL DATA PRESENTED WAS COLLECTED DURING SEPTEMBER-OCTOBER 2017.ORIGINAL CROSS SECTION BASE OBTAINED FROM HDR, CSA SUPPLEMENT 2, DATED AUGUST 2016.**CONCENTRATION IS FLAGGED DUE TO ELEVATED pH> 8.5 AND NOT CONSIDERED FOR CONTOURING PURPOSES.PROVISIONAL BACKGROUND THRESHOLD VALUE(PBTV)2.14CONCENTRATION IN µg/LSHALLOW FLOW LAYER GROUNDWATERWELL WATER LEVEL ELEVATIONDEEP FLOW LAYER GROUNDWATERWELL WATER LEVEL ELEVATIONBEDROCK FLOW LAYER GROUNDWATERWELL WATER LEVEL ELEVATIONGENERALIZED WATER TABLEMW-16BRMW-16DMW-12SABMW-2WELL IN TRANSITION ZONEWELL IN SAPROLITE MATERIALWELL IN BEDROCKWELL IN ASH PORE WATERGENERALIZED GROUNDWATERFLOW DIRECTIONLEGENDASHASH PORE WATERBEDROCKTRANSITION ZONE<0.5CONCENTRATION IN µg/L**ASH FLOW LAYER GROUNDWATERWELL WATER LEVEL ELEVATIONSAPROLITEFILL LAKE NORMAN EL. 760AB-5BRAB-5DAB-5SAB-4DAB-4SLAB-4SSB-15AB-2DAB-2SBEDROCK ASH FILL TRANSITION ZONE B (WEST)(EAST) B' ASH BASIN DAM ASH PORE WATER SAPROLITE ACTIVE ASH BASIN SAPROLITE ACTIVE ASH BASIN DRY ASH BASIN INDUSTRIAL LANDFILL LAKE NORMAN STEA M P L A N T R D .ISLAN D P OI N T R D. 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY: T. PLATING DATE:E. KINSEY/ C. NEWELL B-B MOLYBDENUM 01/29/2018 3:04 PM P:\Duke Energy Carolinas\18. MARSHALL\CSA Update January 2018\Figures\X Secs\Marshall_XSects_B-B_Analytical.dwg FIGURE 11-98 MOLYBDENUM ANALYTICAL RESULTS CROSS SECTION B-B' MARSHALL STEAM STATION DUKE ENERGY CAROLINAS, LLC TERRELL, NORTH CAROLINA 40 0 40 80 VERTICAL GRAPHIC SCALE IN FEET 200 0 200 400 HORIZONTAL GRAPHIC SCALE IN FEET CROSS SECTION LOCATION B'B NOTE: CROSS SECTION B-B' IS LINEAR IN NATURE AND ALL LOCATIONS NOT ALONG THE CROSS SECTION ARE PROJECTED ONTO THE CROSS SECTION. SCALE: AS SHOWN <0.5 0.45j 0.17j 7.1 53 <0.5 0.16j <0.5 1/26/2018 SOURCE INFORMATION: NOTES 1.DEPTH TO GROUNDWATER GAUGED IN MONITORING WELLS ON SEPTEMBER 25 & 26, 2017. 2.A NORTH CAROLINA 2L/IMAC FOR MOLYBDENUM IS NOT ESTABLISHED. 3.PROVISIONAL BACKGROUND THRESHOLD VALUE (PBTV) FOR MOLYBDENUM IS 0.5 μg/L WITHIN THE SHALLOW, 3.2 μg/L WITHIN THE DEEP, AND 3 μg/L WITHIN THE BEDROCK FLOW LAYERS. 4.ALL VERTICAL ELEVATIONS ARE MEASURED IN FEET, NORTH AMERICA VERTICAL DATUM (NAVD) OF 1988. 5.ANALYTICAL DATA PRESENTED WAS COLLECTED DURING SEPTEMBER-OCTOBER 2017. ORIGINAL CROSS SECTION BASE OBTAINED FROM HDR, CSA SUPPLEMENT 2, DATED AUGUST 2016. 2.14 CONCENTRATION IN µg/L SHALLOW FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION DEEP FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION BEDROCK FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATIONGENERALIZED WATER TABLE MW-16BR MW-16D MW-12S ABMW-2 WELL IN TRANSITION ZONE WELL IN SAPROLITE MATERIAL WELL IN BEDROCK WELL IN ASH PORE WATER GENERALIZED GROUNDWATER FLOW DIRECTION LEGEND ASH ASH PORE WATER BEDROCK TRANSITION ZONE ASH FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION SAPROLITE FILL GWA-6DGWA-6SAB-11DAB-11SAB-10DAB-10SLAB-10SC (NORTHEAST) BEDROCK TRANSITION ZONE ASH ASH PORE WATER ASH AB-10BRASH BASIN WASTE BOUNDARY SAPROLITE AB-12DAB-12SLAB-12SAB-8DAB-8SAB-6DAB-6BRAB-6SC' (SOUTHWEST)AB-11DAB-11SMW-11DMW-11SASH INNER ASH BASIN ROAD GWA-12BRGWA-12DGWA-12SSETTLING POND DUKE ENERGY PROPERTY BOUNDARY TRANSITION ZONE ASH PORE WATER ASH PORE WATER ASHAB-12BRAB-6BRAASH BASIN WASTE BOUNDARY SAPROLITE ACTIVE ASH BASIN DRY ASH BASIN INDUSTRIAL LANDFILL LAKE NORMAN STEA M P L A N T R D .ISLAN D P OI N T R D. C C' 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY:DATE: C-C MOLYBDENUM 01/27/2018 11:48 AM P:\Duke Energy Carolinas\18. MARSHALL\CSA Update January 2018\Figures\X Secs\Marshall_XSects_C-C_Analytical.dwg FIGURE 11-99 MOLYBDENUM ANALYTICAL RESULTS CROSS SECTION C-C' MARSHALL STEAM STATION DUKE ENERGY CAROLINAS, LLC TERRELL, NORTH CAROLINAMATCHLINE 2MATCHLINE 2T. PLATING E. KINSEY/ C. NEWELL 1/26/20184004080 VERTICAL GRAPHIC SCALE IN FEET 200 0 200 400 HORIZONTAL GRAPHIC SCALE IN FEET SCALE: AS SHOWN CROSS SECTION LOCATION NOTE: CROSS SECTION C-C' IS LINEAR IN NATURE AND ALL LOCATIONS NOT ALONG THE CROSS SECTION ARE PROJECTED ONTO THE CROSS SECTION. 0.61 <0.5 <0.5 0.76 2640 M6 3580 1.2 0.28 j 452 5.1 0.42 j 2.8 2.2 2.8 0.48 j 40.6 57.2 <1 <1 2.9 42.2 <0.5 SOURCE INFORMATION: NOTES 1.DEPTH TO GROUNDWATER GAUGED IN MONITORING WELLS ON SEPTEMBER 25 & 26, 2017. 2.A NORTH CAROLINA 2L/IMAC FOR MOLYBDENUM IS NOT ESTABLISHED. 3.PROVISIONAL BACKGROUND THRESHOLD VALUE (PBTV) FOR MOLYBDENUM IS 0.5 μg/L WITHIN THE SHALLOW, 3.2 μg/L WITHIN THE DEEP, AND 3 μg/L WITHIN THE BEDROCK FLOW LAYERS. 4.ALL VERTICAL ELEVATIONS ARE MEASURED IN FEET, NORTH AMERICA VERTICAL DATUM (NAVD) OF 1988. 5.ANALYTICAL DATA PRESENTED WAS COLLECTED DURING SEPTEMBER-OCTOBER 2017. ORIGINAL CROSS SECTION BASE OBTAINED FROM HDR, CSA SUPPLEMENT 2, DATED AUGUST 2016. **CONCENTRATION IS FLAGGED DUE TO ELEVATED pH> 8.5 AND NOT CONSIDERED FOR CONTOURING PURPOSES. PROVISIONAL BACKGROUND THRESHOLD VALUE (PBTV) 2.14 CONCENTRATION IN µg/L SHALLOW FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION DEEP FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION BEDROCK FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION GENERALIZED WATER TABLE MW-16BR MW-16D MW-12S ABMW-2 WELL IN TRANSITION ZONE WELL IN SAPROLITE MATERIAL WELL IN BEDROCK WELL IN ASH PORE WATER GENERALIZED GROUNDWATER FLOW DIRECTION LEGEND ASH ASH PORE WATER BEDROCK TRANSITION ZONE <0.5 CONCENTRATION IN µg/L ** ASH FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION SAPROLITE FILL AB-17DBEDROCK BEDROCKASHASH PORE WATERFILLTRANSITION ZONEAB-17SAB-18DAB-18S AB-15BR AB-15D AB-15SL AB-15SFILL A(NORTHWEST)ASH PORE WATER1.30.822.2<5<0.5<0.512.4INDUSTRIAL LANDFILLDRY ASH BASINSAPROLITESAPROLITEASH BASIN DAMBEDROCKASH PORE WATERFILLLAKE NORMANEL. 760TRANSITION ZONEAB-12DAB-12SLAB-12S AB-9BR AB-9D AB-9S MW-8D MW-8S SB-1 A'(SOUTHEAST)ASH PORE WATERASH4.21.41.21.523.44.42.2<0.5AB-12BR DRY ASH BASIN<0.5POWER LINE R/WSAPROLITEACTIVE ASH BASINLAKE NORMANDRYASH BASININDUSTRIALLANDFILLSTEAM PLANT RD.ISLAND PO INT RD .ACTIVEASH BASIN148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.comPROJECT MANAGER:LAYOUT:DRAWN BY:DATE:A-A NICKEL01/29/2018 3:50 PMP:\Duke Energy Carolinas\18. MARSHALL\CSA Update January 2018\Figures\X Secs\Marshall_XSects_A-A_Analytical.dwgFIGURE 11-100NICKEL ANALYTICAL RESULTSCROSS SECTION A-A'MARSHALL STEAM STATIONDUKE ENERGY CAROLINAS, LLCTERRELL, NORTH CAROLINAMATCHLINE 1 MATCHLINE 1 T. PLATINGCROSS SECTION LOCATIONNOTE:CROSS SECTION A-A' IS LINEAR IN NATURE AND ALLLOCATIONS NOT ALONG THE CROSS SECTION AREPROJECTED ONTO THE CROSS SECTION.E. KINSEY/ C. NEWELL1/26/20184004080VERTICAL GRAPHIC SCALEIN FEET2000200400HORIZONTAL GRAPHIC SCALEIN FEETSCALE: AS SHOWNSOURCE INFORMATION:NOTES1.DEPTH TO GROUNDWATER GAUGED IN MONITORING WELLS ON SEPTEMBER 25 & 26, 2017.2.THE NORTH CAROLINA 2L FOR NICKEL IS 100 μg/L.3.PROVISIONAL BACKGROUND THRESHOLD VALUE (PBTV) FOR NICKEL IS 9.9 μg/L WITHIN THE SHALLOW,7.5 μg/L WITHIN THE DEEP, AND 7.2 μg/L WITHIN THE BEDROCK FLOW LAYERS.4.ALL VERTICAL ELEVATIONS ARE MEASURED IN FEET, NORTH AMERICA VERTICAL DATUM (NAVD) OF 1988.5.ANALYTICAL DATA PRESENTED WAS COLLECTED DURING SEPTEMBER-OCTOBER 2017.ORIGINAL CROSS SECTION BASE OBTAINED FROM HDR, CSA SUPPLEMENT 2, DATED AUGUST 2016.**CONCENTRATION IS FLAGGED DUE TO ELEVATED pH> 8.5 AND NOT CONSIDERED FOR CONTOURING PURPOSES.PROVISIONAL BACKGROUND THRESHOLD VALUE(PBTV)2.14CONCENTRATION IN µg/LSHALLOW FLOW LAYER GROUNDWATERWELL WATER LEVEL ELEVATIONDEEP FLOW LAYER GROUNDWATERWELL WATER LEVEL ELEVATIONBEDROCK FLOW LAYER GROUNDWATERWELL WATER LEVEL ELEVATIONGENERALIZED WATER TABLEMW-16BRMW-16DMW-12SABMW-2WELL IN TRANSITION ZONEWELL IN SAPROLITE MATERIALWELL IN BEDROCKWELL IN ASH PORE WATERGENERALIZED GROUNDWATERFLOW DIRECTIONLEGENDASHASH PORE WATERBEDROCKTRANSITION ZONE<0.5CONCENTRATION IN µg/L**ASH FLOW LAYER GROUNDWATERWELL WATER LEVEL ELEVATIONSAPROLITEFILLA'A LAKE NORMAN EL. 760AB-5BRAB-5DAB-5SAB-4DAB-4SLAB-4SSB-15AB-2DAB-2SBEDROCK ASH FILL TRANSITION ZONE B (WEST)(EAST) B' ASH BASIN DAM ASH PORE WATER SAPROLITE ACTIVE ASH BASIN SAPROLITE ACTIVE ASH BASIN DRY ASH BASIN INDUSTRIAL LANDFILL LAKE NORMAN STEA M P L A N T R D .ISLAN D P OI N T R D. 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY: T. PLATING DATE:E. KINSEY/ C. NEWELL B-B NICKEL 1/26/2018 01/29/2018 3:04 PM P:\Duke Energy Carolinas\18. MARSHALL\CSA Update January 2018\Figures\X Secs\Marshall_XSects_B-B_Analytical.dwg FIGURE 11-101 NICKEL ANALYTICAL RESULTS CROSS SECTION B-B' MARSHALL STEAM STATION DUKE ENERGY CAROLINAS, LLC TERRELL, NORTH CAROLINA 40 0 40 80 VERTICAL GRAPHIC SCALE IN FEET 200 0 200 400 HORIZONTAL GRAPHIC SCALE IN FEET CROSS SECTION LOCATION B'B NOTE: CROSS SECTION B-B' IS LINEAR IN NATURE AND ALL LOCATIONS NOT ALONG THE CROSS SECTION ARE PROJECTED ONTO THE CROSS SECTION. SCALE: AS SHOWN 75.6 10.6 9.7 2.9 9.6 1.5 0.9 1.5 SOURCE INFORMATION: NOTES 1.DEPTH TO GROUNDWATER GAUGED IN MONITORING WELLS ON SEPTEMBER 25 & 26, 2017. 2.THE NORTH CAROLINA 2L FOR NICKEL IS 100 μg/L. 3.PROVISIONAL BACKGROUND THRESHOLD VALUE (PBTV) FOR NICKEL IS 9.9 μg/L WITHIN THE SHALLOW, 7.5 μg/L WITHIN THE DEEP, AND 7.2 μg/L WITHIN THE BEDROCK FLOW LAYERS. 4.ALL VERTICAL ELEVATIONS ARE MEASURED IN FEET, NORTH AMERICA VERTICAL DATUM (NAVD) OF 1988. 5.ANALYTICAL DATA PRESENTED WAS COLLECTED DURING SEPTEMBER-OCTOBER 2017. ORIGINAL CROSS SECTION BASE OBTAINED FROM HDR, CSA SUPPLEMENT 2, DATED AUGUST 2016. PROVISIONAL BACKGROUND THRESHOLD VALUE (PBTV) 2.14 CONCENTRATION IN µg/L SHALLOW FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION DEEP FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION BEDROCK FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATIONGENERALIZED WATER TABLE MW-16BR MW-16D MW-12S ABMW-2 WELL IN TRANSITION ZONE WELL IN SAPROLITE MATERIAL WELL IN BEDROCK WELL IN ASH PORE WATER GENERALIZED GROUNDWATER FLOW DIRECTION LEGEND ASH ASH PORE WATER BEDROCK TRANSITION ZONE ASH FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION SAPROLITE FILL GWA-6DGWA-6SAB-11DAB-11SAB-10DAB-10SLAB-10SC (NORTHEAST) BEDROCK TRANSITION ZONE ASH ASH PORE WATER ASH AB-10BRASH BASIN WASTE BOUNDARY SAPROLITE AB-12DAB-12SLAB-12SAB-8DAB-8SAB-6DAB-6BRAB-6SC' (SOUTHWEST)AB-11DAB-11SMW-11DMW-11SASH INNER ASH BASIN ROAD GWA-12BRGWA-12DGWA-12SSETTLING POND DUKE ENERGY PROPERTY BOUNDARY TRANSITION ZONE ASH PORE WATER ASH PORE WATER ASHAB-12BRAB-6BRAASH BASIN WASTE BOUNDARY SAPROLITE ACTIVE ASH BASIN DRY ASH BASIN INDUSTRIAL LANDFILL LAKE NORMAN STEA M P L A N T R D .ISLAN D P OI N T R D. C C' 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY:DATE: C-C NICKEL 01/27/2018 11:48 AM P:\Duke Energy Carolinas\18. MARSHALL\CSA Update January 2018\Figures\X Secs\Marshall_XSects_C-C_Analytical.dwg FIGURE 11-102 NICKEL ANALYTICAL RESULTS CROSS SECTION C-C' MARSHALL STEAM STATION DUKE ENERGY CAROLINAS, LLC TERRELL, NORTH CAROLINAMATCHLINE 2MATCHLINE 2T. PLATING E. KINSEY/ C. NEWELL 1/26/20184004080 VERTICAL GRAPHIC SCALE IN FEET 200 0 200 400 HORIZONTAL GRAPHIC SCALE IN FEET SCALE: AS SHOWN CROSS SECTION LOCATION NOTE: CROSS SECTION C-C' IS LINEAR IN NATURE AND ALL LOCATIONS NOT ALONG THE CROSS SECTION ARE PROJECTED ONTO THE CROSS SECTION. 0.85 0.57 <0.5 <0.5 2.1 25.5 24.5 2.4 1.4 1.2 4.2 <0.5 <0.5 16.7 43.1 1.6 <5 <5 2 1 1.8 <0.5 SOURCE INFORMATION: NOTES 1.DEPTH TO GROUNDWATER GAUGED IN MONITORING WELLS ON SEPTEMBER 25 & 26, 2017. 2.THE NORTH CAROLINA 2L FOR NICKEL IS 100 μg/L. 3.PROVISIONAL BACKGROUND THRESHOLD VALUE (PBTV) FOR NICKEL IS 9.9 μg/L WITHIN THE SHALLOW, 7.5 μg/L WITHIN THE DEEP, AND 7.2 μg/L WITHIN THE BEDROCK FLOW LAYERS. 4.ALL VERTICAL ELEVATIONS ARE MEASURED IN FEET, NORTH AMERICA VERTICAL DATUM (NAVD) OF 1988. 5.ANALYTICAL DATA PRESENTED WAS COLLECTED DURING SEPTEMBER-OCTOBER 2017. ORIGINAL CROSS SECTION BASE OBTAINED FROM HDR, CSA SUPPLEMENT 2, DATED AUGUST 2016. **CONCENTRATION IS FLAGGED DUE TO ELEVATED pH> 8.5 AND NOT CONSIDERED FOR CONTOURING PURPOSES. PROVISIONAL BACKGROUND THRESHOLD VALUE (PBTV) 2.14 CONCENTRATION IN µg/L SHALLOW FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION DEEP FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION BEDROCK FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION GENERALIZED WATER TABLE MW-16BR MW-16D MW-12S ABMW-2 WELL IN TRANSITION ZONE WELL IN SAPROLITE MATERIAL WELL IN BEDROCK WELL IN ASH PORE WATER GENERALIZED GROUNDWATER FLOW DIRECTION LEGEND ASH ASH PORE WATER BEDROCK TRANSITION ZONE <0.5 CONCENTRATION IN µg/L ** ASH FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION SAPROLITE FILL AB-17DBEDROCK BEDROCKASHASH PORE WATERFILLTRANSITION ZONEAB-17SAB-18DAB-18S AB-15BR AB-15D AB-15SL AB-15SFILL A(NORTHWEST)ASH PORE WATER<0.5<0.50.38 J4.4 J<0.5<0.5<0.5<0.5INDUSTRIAL LANDFILLDRY ASH BASINSAPROLITESAPROLITEASH BASIN DAMBEDROCKASH PORE WATERFILLLAKE NORMANEL. 760TRANSITION ZONEAB-12DAB-12SLAB-12S AB-9BR AB-9D AB-9S MW-8D MW-8S SB-1 A'(SOUTHEAST)ASH PORE WATERASH<0.5<0.51.40.34 J<0.5<0.50.54<0.5AB-12BR DRY ASH BASINPOWER LINE R/W<0.5SAPROLITEACTIVE ASH BASINLAKE NORMANDRYASH BASININDUSTRIALLANDFILLSTEAM PLANT RD.ISLAND PO INT RD .ACTIVEASH BASIN148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.comPROJECT MANAGER:LAYOUT:DRAWN BY:DATE:A-A SELENIUM01/29/2018 3:50 PMP:\Duke Energy Carolinas\18. MARSHALL\CSA Update January 2018\Figures\X Secs\Marshall_XSects_A-A_Analytical.dwgFIGURE 11-103SELENIUM ANALYTICAL RESULTS CROSS SECTION A-A'MARSHALL STEAM STATIONDUKE ENERGY CAROLINAS, LLCTERRELL, NORTH CAROLINAMATCHLINE 1 MATCHLINE 1 T. PLATINGCROSS SECTION LOCATIONNOTE:CROSS SECTION A-A' IS LINEAR IN NATURE AND ALLLOCATIONS NOT ALONG THE CROSS SECTION AREPROJECTED ONTO THE CROSS SECTION.E. KINSEY/ C. NEWELL1/26/20184004080VERTICAL GRAPHIC SCALEIN FEET2000200400HORIZONTAL GRAPHIC SCALEIN FEETSCALE: AS SHOWNSOURCE INFORMATION:NOTES1.DEPTH TO GROUNDWATER GAUGED IN MONITORING WELLS ON SEPTEMBER 25 & 26, 2017.2.THE NORTH CAROLINA 2L FOR SELENIUM IS 20 μg/L.3.PROVISIONAL BACKGROUND THRESHOLD VALUE (PBTV) FOR SELENIUM IS 0.5 μg/L WITHIN THE SHALLOW,0.5 μg/L WITHIN THE DEEP, AND 0.5 μg/L WITHIN THE BEDROCK FLOW LAYERS.4.ALL VERTICAL ELEVATIONS ARE MEASURED IN FEET, NORTH AMERICA VERTICAL DATUM (NAVD) OF 1988.5.ANALYTICAL DATA PRESENTED WAS COLLECTED DURING SEPTEMBER-OCTOBER 2017.ORIGINAL CROSS SECTION BASE OBTAINED FROM HDR, CSA SUPPLEMENT 2, DATED AUGUST 2016.**CONCENTRATION IS FLAGGED DUE TO ELEVATED pH> 8.5 AND NOT CONSIDERED FOR CONTOURING PURPOSES.PROVISIONAL BACKGROUND THRESHOLD VALUE(PBTV)2.14CONCENTRATION IN µg/LSHALLOW FLOW LAYER GROUNDWATERWELL WATER LEVEL ELEVATIONDEEP FLOW LAYER GROUNDWATERWELL WATER LEVEL ELEVATIONBEDROCK FLOW LAYER GROUNDWATERWELL WATER LEVEL ELEVATIONGENERALIZED WATER TABLEMW-16BRMW-16DMW-12SABMW-2WELL IN TRANSITION ZONEWELL IN SAPROLITE MATERIALWELL IN BEDROCKWELL IN ASH PORE WATERGENERALIZED GROUNDWATERFLOW DIRECTIONLEGENDASHASH PORE WATERBEDROCKTRANSITION ZONE<0.5CONCENTRATION IN µg/L**ASH FLOW LAYER GROUNDWATERWELL WATER LEVEL ELEVATIONSAPROLITEFILLA'A LAKE NORMAN EL. 760AB-5BRAB-5DAB-5SAB-4DAB-4SLAB-4SSB-15AB-2DAB-2SBEDROCK ASH FILL TRANSITION ZONE B (WEST)(EAST) B' ASH BASIN DAM ASH PORE WATER SAPROLITE ACTIVE ASH BASIN SAPROLITE ACTIVE ASH BASIN DRY ASH BASIN INDUSTRIAL LANDFILL LAKE NORMAN STEA M P L A N T R D .ISLAN D P OI N T R D. 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY: T. PLATING DATE:E. KINSEY/ C. NEWELL B-B SELENIUM 1/26/2018 01/29/2018 3:04 PM P:\Duke Energy Carolinas\18. MARSHALL\CSA Update January 2018\Figures\X Secs\Marshall_XSects_B-B_Analytical.dwg FIGURE 11-104 SELENIUM ANALYTICAL RESULTS CROSS SECTION B-B' MARSHALL STEAM STATION DUKE ENERGY CAROLINAS, LLC TERRELL, NORTH CAROLINA 40 0 40 80 VERTICAL GRAPHIC SCALE IN FEET 200 0 200 400 HORIZONTAL GRAPHIC SCALE IN FEET CROSS SECTION LOCATION B'B NOTE: CROSS SECTION B-B' IS LINEAR IN NATURE AND ALL LOCATIONS NOT ALONG THE CROSS SECTION ARE PROJECTED ONTO THE CROSS SECTION. SCALE: AS SHOWN 0.34j 0.63 <0.5 0.71 <5 <0.5 0.36j <0.5 SOURCE INFORMATION: NOTES 1.DEPTH TO GROUNDWATER GAUGED IN MONITORING WELLS ON SEPTEMBER 25 & 26, 2017. 2.THE NORTH CAROLINA 2L FOR SELENIUM IS 20 μg/L. 3.PROVISIONAL BACKGROUND THRESHOLD VALUE (PBTV) FOR SELENIUM IS 0.5 μg/L WITHIN THE SHALLOW, 0.5 μg/L WITHIN THE DEEP, AND 0.5 μg/L WITHIN THE BEDROCK FLOW LAYERS. 4.ALL VERTICAL ELEVATIONS ARE MEASURED IN FEET, NORTH AMERICA VERTICAL DATUM (NAVD) OF 1988. 5.ANALYTICAL DATA PRESENTED WAS COLLECTED DURING SEPTEMBER-OCTOBER 2017. ORIGINAL CROSS SECTION BASE OBTAINED FROM HDR, CSA SUPPLEMENT 2, DATED AUGUST 2016. PROVISIONAL BACKGROUND THRESHOLD VALUE (PBTV) 2.14 CONCENTRATION IN µg/L SHALLOW FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION DEEP FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION BEDROCK FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATIONGENERALIZED WATER TABLE MW-16BR MW-16D MW-12S ABMW-2 WELL IN TRANSITION ZONE WELL IN SAPROLITE MATERIAL WELL IN BEDROCK WELL IN ASH PORE WATER GENERALIZED GROUNDWATER FLOW DIRECTION LEGEND ASH ASH PORE WATER BEDROCK TRANSITION ZONE ASH FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION SAPROLITE FILL GWA-6DGWA-6SAB-11DAB-11SAB-10DAB-10SLAB-10SC (NORTHEAST) BEDROCK TRANSITION ZONE ASH ASH PORE WATER ASH AB-10BRASH BASIN WASTE BOUNDARY SAPROLITE AB-12DAB-12SLAB-12SAB-8DAB-8SAB-6DAB-6BRAB-6SC' (SOUTHWEST)AB-11DAB-11SMW-11DMW-11SASH INNER ASH BASIN ROAD GWA-12BRGWA-12DGWA-12SSETTLING POND DUKE ENERGY PROPERTY BOUNDARY TRANSITION ZONE ASH PORE WATER ASH PORE WATER ASHAB-12BRAB-6BRAASH BASIN WASTE BOUNDARY SAPROLITE ACTIVE ASH BASIN DRY ASH BASIN INDUSTRIAL LANDFILL LAKE NORMAN STEA M P L A N T R D .ISLAN D P OI N T R D. C C' 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY:DATE: C-C SELENIUM 01/27/2018 11:48 AM P:\Duke Energy Carolinas\18. MARSHALL\CSA Update January 2018\Figures\X Secs\Marshall_XSects_C-C_Analytical.dwg FIGURE 11-105 SELENIUM ANALYTICAL RESULTS CROSS SECTION C-C' MARSHALL STEAM STATION DUKE ENERGY CAROLINAS, LLC TERRELL, NORTH CAROLINAMATCHLINE 2MATCHLINE 2T. PLATING E. KINSEY/ C. NEWELL 1/26/20184004080 VERTICAL GRAPHIC SCALE IN FEET 200 0 200 400 HORIZONTAL GRAPHIC SCALE IN FEET SCALE: AS SHOWN CROSS SECTION LOCATION NOTE: CROSS SECTION C-C' IS LINEAR IN NATURE AND ALL LOCATIONS NOT ALONG THE CROSS SECTION ARE PROJECTED ONTO THE CROSS SECTION. <0.5 <0.5 1g <0.5 <0.5 0.79 <0.5 <0.5 <0.5 1.4 <0.5 0.35 j <0.5 1 0.62 <1 <1 0.39 j 0.44 j <0.5 <0.5 <0.5 <0.5 SOURCE INFORMATION: NOTES 1.DEPTH TO GROUNDWATER GAUGED IN MONITORING WELLS ON SEPTEMBER 25 & 26, 2017. 2.THE NORTH CAROLINA 2L FOR SELENIUM IS 20 μg/L. 3.PROVISIONAL BACKGROUND THRESHOLD VALUE (PBTV) FOR SELENIUM IS 0.5 μg/L WITHIN THE SHALLOW, 0.5 μg/L WITHIN THE DEEP, AND 0.5 μg/L WITHIN THE BEDROCK FLOW LAYERS. 4.ALL VERTICAL ELEVATIONS ARE MEASURED IN FEET, NORTH AMERICA VERTICAL DATUM (NAVD) OF 1988. 5.ANALYTICAL DATA PRESENTED WAS COLLECTED DURING SEPTEMBER-OCTOBER 2017. ORIGINAL CROSS SECTION BASE OBTAINED FROM HDR, CSA SUPPLEMENT 2, DATED AUGUST 2016. **CONCENTRATION IS FLAGGED DUE TO ELEVATED pH> 8.5 AND NOT CONSIDERED FOR CONTOURING PURPOSES. PROVISIONAL BACKGROUND THRESHOLD VALUE (PBTV) 2.14 CONCENTRATION IN µg/L SHALLOW FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION DEEP FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION BEDROCK FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION GENERALIZED WATER TABLE MW-16BR MW-16D MW-12S ABMW-2 WELL IN TRANSITION ZONE WELL IN SAPROLITE MATERIAL WELL IN BEDROCK WELL IN ASH PORE WATER GENERALIZED GROUNDWATER FLOW DIRECTION LEGEND ASH ASH PORE WATER BEDROCK TRANSITION ZONE <0.5 CONCENTRATION IN µg/L ** ASH FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION SAPROLITE FILL AB-17DBEDROCK BEDROCKASHASH PORE WATERFILLTRANSITION ZONEAB-17SAB-18DAB-18S AB-15BR AB-15D AB-15SL AB-15SFILL A(NORTHWEST)ASH PORE WATER11223301953260122072023404760INDUSTRIAL LANDFILLDRY ASH BASINSAPROLITESAPROLITEASH BASIN DAMBEDROCKASH PORE WATERFILLLAKE NORMANEL. 760TRANSITION ZONEAB-12DAB-12SLAB-12S AB-9BR AB-9D AB-9S MW-8D MW-8S SB-1 A'(SOUTHEAST)ASH PORE WATERASH102004820 M1452026223544.915501540AB-12BR DRY ASH BASIN7530POWER LINE R/WSAPROLITEACTIVE ASH BASINLAKE NORMANDRYASH BASININDUSTRIALLANDFILLSTEAM PLANT RD.ISLAND PO INT RD .ACTIVEASH BASIN148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.comPROJECT MANAGER:LAYOUT:DRAWN BY:DATE:A-A STRONTIUM01/29/2018 3:50 PMP:\Duke Energy Carolinas\18. MARSHALL\CSA Update January 2018\Figures\X Secs\Marshall_XSects_A-A_Analytical.dwgFIGURE 11-106STRONTIUM ANALYTICAL RESULTS CROSS SECTION A-A'MARSHALL STEAM STATIONDUKE ENERGY CAROLINAS, LLCTERRELL, NORTH CAROLINAMATCHLINE 1 MATCHLINE 1 T. PLATINGCROSS SECTION LOCATIONNOTE:CROSS SECTION A-A' IS LINEAR IN NATURE AND ALLLOCATIONS NOT ALONG THE CROSS SECTION AREPROJECTED ONTO THE CROSS SECTION.E. KINSEY/ C. NEWELL1/26/20184004080VERTICAL GRAPHIC SCALEIN FEET2000200400HORIZONTAL GRAPHIC SCALEIN FEETSCALE: AS SHOWNSOURCE INFORMATION:NOTES1.DEPTH TO GROUNDWATER GAUGED IN MONITORING WELLS ON SEPTEMBER 25 & 26, 2017.2.A NORTH CAROLINA 2L/ IMAC FOR STRONTIUM IS NOT ESTABLISHED.3.PROVISIONAL BACKGROUND THRESHOLD VALUE (PBTV) FOR STRONTIUM IS 303 μg/L WITHIN THE SHALLOW,665 μg/L WITHIN THE DEEP, AND 253 μg/L WITHIN THE BEDROCK FLOW LAYERS.4.ALL VERTICAL ELEVATIONS ARE MEASURED IN FEET, NORTH AMERICA VERTICAL DATUM (NAVD) OF 1988.5.ANALYTICAL DATA PRESENTED WAS COLLECTED DURING SEPTEMBER-OCTOBER 2017.ORIGINAL CROSS SECTION BASE OBTAINED FROM HDR, CSA SUPPLEMENT 2, DATED AUGUST 2016.**CONCENTRATION IS FLAGGED DUE TO ELEVATED pH> 8.5 AND NOT CONSIDERED FOR CONTOURING PURPOSES.PROVISIONAL BACKGROUND THRESHOLD VALUE(PBTV)2.14CONCENTRATION IN µg/LSHALLOW FLOW LAYER GROUNDWATERWELL WATER LEVEL ELEVATIONDEEP FLOW LAYER GROUNDWATERWELL WATER LEVEL ELEVATIONBEDROCK FLOW LAYER GROUNDWATERWELL WATER LEVEL ELEVATIONGENERALIZED WATER TABLEMW-16BRMW-16DMW-12SABMW-2WELL IN TRANSITION ZONEWELL IN SAPROLITE MATERIALWELL IN BEDROCKWELL IN ASH PORE WATERGENERALIZED GROUNDWATERFLOW DIRECTIONLEGENDASHASH PORE WATERBEDROCKTRANSITION ZONE<0.5CONCENTRATION IN µg/L**ASH FLOW LAYER GROUNDWATERWELL WATER LEVEL ELEVATIONSAPROLITEFILLA'A LAKE NORMAN EL. 760AB-5BRAB-5DAB-5SAB-4DAB-4SLAB-4SSB-15AB-2DAB-2SBEDROCK ASH FILL TRANSITION ZONE B (WEST)(EAST) B' ASH BASIN DAM ASH PORE WATER SAPROLITE ACTIVE ASH BASIN SAPROLITE ACTIVE ASH BASIN DRY ASH BASIN INDUSTRIAL LANDFILL LAKE NORMAN STEA M P L A N T R D .ISLAN D P OI N T R D. 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY: T. PLATING DATE:E. KINSEY/ C. NEWELL B-B STRONTIUM 1/26/2018 01/29/2018 3:04 PM P:\Duke Energy Carolinas\18. MARSHALL\CSA Update January 2018\Figures\X Secs\Marshall_XSects_B-B_Analytical.dwg FIGURE 11-107 STRONTIUM ANALYTICAL RESULTS CROSS SECTION B-B' MARSHALL STEAM STATION DUKE ENERGY CAROLINAS, LLC TERRELL, NORTH CAROLINA 40 0 40 80 VERTICAL GRAPHIC SCALE IN FEET 200 0 200 400 HORIZONTAL GRAPHIC SCALE IN FEET CROSS SECTION LOCATION B'B NOTE: CROSS SECTION B-B' IS LINEAR IN NATURE AND ALL LOCATIONS NOT ALONG THE CROSS SECTION ARE PROJECTED ONTO THE CROSS SECTION. SCALE: AS SHOWN 1460 2670 3040 312 758 259 633 9.4 SOURCE INFORMATION: NOTES 1.DEPTH TO GROUNDWATER GAUGED IN MONITORING WELLS ON SEPTEMBER 25 & 26, 2017. 2.A NORTH CAROLINA 2L/ IMAC FOR STRONTIUM IS NOT ESTABLISHED. 3.PROVISIONAL BACKGROUND THRESHOLD VALUE (PBTV) FOR STRONTIUM IS 303 μg/L WITHIN THE SHALLOW, 665 μg/L WITHIN THE DEEP, AND 253 μg/L WITHIN THE BEDROCK FLOW LAYERS. 4.ALL VERTICAL ELEVATIONS ARE MEASURED IN FEET, NORTH AMERICA VERTICAL DATUM (NAVD) OF 1988. 5.ANALYTICAL DATA PRESENTED WAS COLLECTED DURING SEPTEMBER-OCTOBER 2017. ORIGINAL CROSS SECTION BASE OBTAINED FROM HDR, CSA SUPPLEMENT 2, DATED AUGUST 2016. PROVISIONAL BACKGROUND THRESHOLD VALUE (PBTV) 2.14 CONCENTRATION IN µg/L SHALLOW FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION DEEP FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION BEDROCK FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATIONGENERALIZED WATER TABLE MW-16BR MW-16D MW-12S ABMW-2 WELL IN TRANSITION ZONE WELL IN SAPROLITE MATERIAL WELL IN BEDROCK WELL IN ASH PORE WATER GENERALIZED GROUNDWATER FLOW DIRECTION LEGEND ASH ASH PORE WATER BEDROCK TRANSITION ZONE ASH FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION SAPROLITE FILL GWA-6DGWA-6SAB-11DAB-11SAB-10DAB-10SLAB-10SC (NORTHEAST) BEDROCK TRANSITION ZONE ASH ASH PORE WATER ASH AB-10BRASH BASIN WASTE BOUNDARY SAPROLITE AB-12DAB-12SLAB-12SAB-8DAB-8SAB-6DAB-6BRAB-6SC' (SOUTHWEST)AB-11DAB-11SMW-11DMW-11SASH INNER ASH BASIN ROAD GWA-12BRGWA-12DGWA-12SSETTLING POND DUKE ENERGY PROPERTY BOUNDARY TRANSITION ZONE ASH PORE WATER ASH PORE WATER ASHAB-12BRAB-6BRAASH BASIN WASTE BOUNDARY SAPROLITE ACTIVE ASH BASIN DRY ASH BASIN INDUSTRIAL LANDFILL LAKE NORMAN STEA M P L A N T R D .ISLAN D P OI N T R D. C C' 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY:DATE: C-C STRONTIUM 01/27/2018 11:48 AM P:\Duke Energy Carolinas\18. MARSHALL\CSA Update January 2018\Figures\X Secs\Marshall_XSects_C-C_Analytical.dwg FIGURE 11-108 STRONTIUM ANALYTICAL RESULTS CROSS SECTION C-C' MARSHALL STEAM STATION DUKE ENERGY CAROLINAS, LLC TERRELL, NORTH CAROLINAMATCHLINE 2MATCHLINE 2T. PLATING E. KINSEY/ C. NEWELL 1/26/20184004080 VERTICAL GRAPHIC SCALE IN FEET 200 0 200 400 HORIZONTAL GRAPHIC SCALE IN FEET SCALE: AS SHOWN CROSS SECTION LOCATION NOTE: CROSS SECTION C-C' IS LINEAR IN NATURE AND ALL LOCATIONS NOT ALONG THE CROSS SECTION ARE PROJECTED ONTO THE CROSS SECTION. 277 60.2 37.5 1160 7230 6280 2820 5220 4820 M1 4520 10200 7530 2280 1560 4590 6590 2830 74 95 182 294 10.1 SOURCE INFORMATION: NOTES 1.DEPTH TO GROUNDWATER GAUGED IN MONITORING WELLS ON SEPTEMBER 25 & 26, 2017. 2.A NORTH CAROLINA 2L/ IMAC FOR STRONTIUM IS NOT ESTABLISHED. 3.PROVISIONAL BACKGROUND THRESHOLD VALUE (PBTV) FOR STRONTIUM IS 303 μg/L WITHIN THE SHALLOW, 665 μg/L WITHIN THE DEEP, AND 253 μg/L WITHIN THE BEDROCK FLOW LAYERS. 4.ALL VERTICAL ELEVATIONS ARE MEASURED IN FEET, NORTH AMERICA VERTICAL DATUM (NAVD) OF 1988. 5.ANALYTICAL DATA PRESENTED WAS COLLECTED DURING SEPTEMBER-OCTOBER 2017. ORIGINAL CROSS SECTION BASE OBTAINED FROM HDR, CSA SUPPLEMENT 2, DATED AUGUST 2016. **CONCENTRATION IS FLAGGED DUE TO ELEVATED pH> 8.5 AND NOT CONSIDERED FOR CONTOURING PURPOSES. PROVISIONAL BACKGROUND THRESHOLD VALUE (PBTV) 2.14 CONCENTRATION IN µg/L SHALLOW FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION DEEP FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION BEDROCK FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION GENERALIZED WATER TABLE MW-16BR MW-16D MW-12S ABMW-2 WELL IN TRANSITION ZONE WELL IN SAPROLITE MATERIAL WELL IN BEDROCK WELL IN ASH PORE WATER GENERALIZED GROUNDWATER FLOW DIRECTION LEGEND ASH ASH PORE WATER BEDROCK TRANSITION ZONE <0.5 CONCENTRATION IN µg/L ** ASH FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION SAPROLITE FILL AB-17DBEDROCK BEDROCKASHASH PORE WATERFILLTRANSITION ZONEAB-17SAB-18DAB-18S AB-15BR AB-15D AB-15SL AB-15SFILL A(NORTHWEST)ASH PORE WATER0.96 J5575.14.266.432.489.958.8INDUSTRIAL LANDFILLDRY ASH BASINSAPROLITESAPROLITEASH BASIN DAMBEDROCKASH PORE WATERFILLLAKE NORMANEL. 760TRANSITION ZONEAB-12DAB-12SLAB-12S AB-9BR AB-9D AB-9S MW-8D MW-8S SB-1 A'(SOUTHEAST)ASH PORE WATERASH1725.375317.297.940.1108AB-12BR DRY ASH BASINPOWER LINE R/W152SAPROLITEACTIVE ASH BASINLAKE NORMANDRYASH BASININDUSTRIALLANDFILLSTEAM PLANT RD.ISLAND PO INT RD .ACTIVEASH BASIN148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.comPROJECT MANAGER:LAYOUT:DRAWN BY:DATE:A-A SULFATE01/29/2018 3:50 PMP:\Duke Energy Carolinas\18. MARSHALL\CSA Update January 2018\Figures\X Secs\Marshall_XSects_A-A_Analytical.dwgFIGURE 11-109SULFATE ANALYTICAL RESULTSCROSS SECTION A-A'MARSHALL STEAM STATIONDUKE ENERGY CAROLINAS, LLCTERRELL, NORTH CAROLINAMATCHLINE 1 MATCHLINE 1 T. PLATINGCROSS SECTION LOCATIONNOTE:CROSS SECTION A-A' IS LINEAR IN NATURE AND ALLLOCATIONS NOT ALONG THE CROSS SECTION AREPROJECTED ONTO THE CROSS SECTION.E. KINSEY/ C. NEWELL1/26/20184004080VERTICAL GRAPHIC SCALEIN FEET2000200400HORIZONTAL GRAPHIC SCALEIN FEETSCALE: AS SHOWNSOURCE INFORMATION:NOTES1.DEPTH TO GROUNDWATER GAUGED IN MONITORING WELLS ON SEPTEMBER 25 & 26, 2017.2.THE NORTH CAROLINA 2L FOR SULFATE IS 250 mg/L.3.PROVISIONAL BACKGROUND THRESHOLD VALUE (PBTV) FOR SULFATE IS 4.2 mg/L WITHIN THE SHALLOW,17.7 mg/L WITHIN THE DEEP, AND 18.4 mg/L WITHIN THE BEDROCK FLOW LAYERS.4.ALL VERTICAL ELEVATIONS ARE MEASURED IN FEET, NORTH AMERICA VERTICAL DATUM (NAVD) OF 1988.5.ANALYTICAL DATA PRESENTED WAS COLLECTED DURING SEPTEMBER-OCTOBER 2017.ORIGINAL CROSS SECTION BASE OBTAINED FROM HDR, CSA SUPPLEMENT 2, DATED AUGUST 2016.**CONCENTRATION IS FLAGGED DUE TO ELEVATED pH> 8.5 AND NOT CONSIDERED FOR CONTOURING PURPOSES.PROVISIONAL BACKGROUND THRESHOLD VALUE(PBTV)2.14CONCENTRATION IN mg/LSHALLOW FLOW LAYER GROUNDWATERWELL WATER LEVEL ELEVATIONDEEP FLOW LAYER GROUNDWATERWELL WATER LEVEL ELEVATIONBEDROCK FLOW LAYER GROUNDWATERWELL WATER LEVEL ELEVATIONGENERALIZED WATER TABLEMW-16BRMW-16DMW-12SABMW-2WELL IN TRANSITION ZONEWELL IN SAPROLITE MATERIALWELL IN BEDROCKWELL IN ASH PORE WATERGENERALIZED GROUNDWATERFLOW DIRECTIONLEGENDASHASH PORE WATERBEDROCKTRANSITION ZONE<0.5CONCENTRATION IN mg/L**ASH FLOW LAYER GROUNDWATERWELL WATER LEVEL ELEVATIONSAPROLITEA'A LAKE NORMAN EL. 760AB-5BRAB-5DAB-5SAB-4DAB-4SLAB-4SSB-15AB-2DAB-2SBEDROCK ASH FILL TRANSITION ZONE B (WEST)(EAST) B' ASH BASIN DAM ASH PORE WATER SAPROLITE ACTIVE ASH BASIN SAPROLITE ACTIVE ASH BASIN DRY ASH BASIN INDUSTRIAL LANDFILL LAKE NORMAN STEA M P L A N T R D .ISLAN D P OI N T R D. 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY: T. PLATING DATE:E. KINSEY/ C. NEWELL B-B SULFATE 1/26/2018 01/29/2018 3:04 PM P:\Duke Energy Carolinas\18. MARSHALL\CSA Update January 2018\Figures\X Secs\Marshall_XSects_B-B_Analytical.dwg FIGURE 11-110 SULFATE ANALYTICAL RESULTS CROSS SECTION B-B' MARSHALL STEAM STATION DUKE ENERGY CAROLINAS, LLC TERRELL, NORTH CAROLINA 40 0 40 80 VERTICAL GRAPHIC SCALE IN FEET 200 0 200 400 HORIZONTAL GRAPHIC SCALE IN FEET CROSS SECTION LOCATION B'B NOTE: CROSS SECTION B-B' IS LINEAR IN NATURE AND ALL LOCATIONS NOT ALONG THE CROSS SECTION ARE PROJECTED ONTO THE CROSS SECTION. SCALE: AS SHOWN 1450 112 240 28.8 36.5 34.1 174 0.73 j SOURCE INFORMATION: NOTES 1.DEPTH TO GROUNDWATER GAUGED IN MONITORING WELLS ON SEPTEMBER 25 & 26, 2017. 2.THE NORTH CAROLINA 2L FOR SULFATE IS 250 mg/L. 3.PROVISIONAL BACKGROUND THRESHOLD VALUE (PBTV) FOR SULFATE IS 4.2 mg/L WITHIN THE SHALLOW, 17.7 mg/L WITHIN THE DEEP, AND 18.4 mg/L WITHIN THE BEDROCK FLOW LAYERS. 4.ALL VERTICAL ELEVATIONS ARE MEASURED IN FEET, NORTH AMERICA VERTICAL DATUM (NAVD) OF 1988. 5.ANALYTICAL DATA PRESENTED WAS COLLECTED DURING SEPTEMBER-OCTOBER 2017. ORIGINAL CROSS SECTION BASE OBTAINED FROM HDR, CSA SUPPLEMENT 2, DATED AUGUST 2016. PROVISIONAL BACKGROUND THRESHOLD VALUE (PBTV) 2.14 CONCENTRATION IN mg/L SHALLOW FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION DEEP FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION BEDROCK FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATIONGENERALIZED WATER TABLE MW-16BR MW-16D MW-12S ABMW-2 WELL IN TRANSITION ZONE WELL IN SAPROLITE MATERIAL WELL IN BEDROCK WELL IN ASH PORE WATER GENERALIZED GROUNDWATER FLOW DIRECTION LEGEND ASH ASH PORE WATER BEDROCK TRANSITION ZONE ASH FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION SAPROLITE FILL GWA-6DGWA-6SAB-11DAB-11SAB-10DAB-10SLAB-10SC (NORTHEAST) BEDROCK TRANSITION ZONE ASH ASH PORE WATER ASH AB-10BRASH BASIN WASTE BOUNDARY SAPROLITE AB-12DAB-12SLAB-12SAB-8DAB-8SAB-6DAB-6BRAB-6SC' (SOUTHWEST)AB-11DAB-11SMW-11DMW-11SASH INNER ASH BASIN ROAD GWA-12BRGWA-12DGWA-12SSETTLING POND DUKE ENERGY PROPERTY BOUNDARY TRANSITION ZONE ASH PORE WATER ASH PORE WATER ASHAB-12BRAB-6BRAASH BASIN WASTE BOUNDARY SAPROLITE ACTIVE ASH BASIN DRY ASH BASIN INDUSTRIAL LANDFILL LAKE NORMAN STEA M P L A N T R D .ISLAN D P OI N T R D. C C' 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY:DATE: C-C SULFATE 01/27/2018 11:48 AM P:\Duke Energy Carolinas\18. MARSHALL\CSA Update January 2018\Figures\X Secs\Marshall_XSects_C-C_Analytical.dwg FIGURE 11-111 SULFATE ANALYTICAL RESULTS CROSS SECTION C-C' MARSHALL STEAM STATION DUKE ENERGY CAROLINAS, LLC TERRELL, NORTH CAROLINAMATCHLINE 2MATCHLINE 2T. PLATING E. KINSEY/ C. NEWELL 1/26/20184004080 VERTICAL GRAPHIC SCALE IN FEET 200 0 200 400 HORIZONTAL GRAPHIC SCALE IN FEET SCALE: AS SHOWN CROSS SECTION LOCATION NOTE: CROSS SECTION C-C' IS LINEAR IN NATURE AND ALL LOCATIONS NOT ALONG THE CROSS SECTION ARE PROJECTED ONTO THE CROSS SECTION. 7 <1 0.74 j 3.7 932 632 10.7 19.7 5.3 753 172 152 77.6 200 M1 40.3 486 M6 207 0.3 0.67 18.4 13.6 3.4 SOURCE INFORMATION: NOTES 1.DEPTH TO GROUNDWATER GAUGED IN MONITORING WELLS ON SEPTEMBER 25 & 26, 2017. 2.THE NORTH CAROLINA 2L FOR SULFATE IS 250 mg/L. 3.PROVISIONAL BACKGROUND THRESHOLD VALUE (PBTV) FOR SULFATE IS 4.2 mg/L WITHIN THE SHALLOW, 17.7 mg/L WITHIN THE DEEP, AND 18.4 mg/L WITHIN THE BEDROCK FLOW LAYERS. 4.ALL VERTICAL ELEVATIONS ARE MEASURED IN FEET, NORTH AMERICA VERTICAL DATUM (NAVD) OF 1988. 5.ANALYTICAL DATA PRESENTED WAS COLLECTED DURING SEPTEMBER-OCTOBER 2017. ORIGINAL CROSS SECTION BASE OBTAINED FROM HDR, CSA SUPPLEMENT 2, DATED AUGUST 2016. **CONCENTRATION IS FLAGGED DUE TO ELEVATED pH> 8.5 AND NOT CONSIDERED FOR CONTOURING PURPOSES. PROVISIONAL BACKGROUND THRESHOLD VALUE (PBTV) 2.14 CONCENTRATION IN mg/L SHALLOW FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION DEEP FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION BEDROCK FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION GENERALIZED WATER TABLE MW-16BR MW-16D MW-12S ABMW-2 WELL IN TRANSITION ZONE WELL IN SAPROLITE MATERIAL WELL IN BEDROCK WELL IN ASH PORE WATER GENERALIZED GROUNDWATER FLOW DIRECTION LEGEND ASH ASH PORE WATER BEDROCK TRANSITION ZONE <0.5 CONCENTRATION IN mg/L** ASH FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION SAPROLITE FILL AB-17DBEDROCK BEDROCKASHASH PORE WATERFILLTRANSITION ZONEAB-17SAB-18DAB-18S AB-15BR AB-15D AB-15SL AB-15SFILL A(NORTHWEST)ASH PORE WATER<0.1<0.1<0.1<1<0.1<0.10.024 J0.13INDUSTRIAL LANDFILLDRY ASH BASINSAPROLITESAPROLITEASH BASIN DAMBEDROCKASH PORE WATERFILLLAKE NORMANEL. 760TRANSITION ZONEAB-12DAB-12SLAB-12S AB-9BR AB-9D AB-9S MW-8D MW-8S SB-1 A'(SOUTHEAST)ASH PORE WATERASH0.063 J<0.10.13<0.10.038 J0.046 J<0.1<0.1AB-12BR DRY ASH BASINPOWER LINE R/W0.057 JSAPROLITEACTIVE ASH BASINLAKE NORMANDRYASH BASININDUSTRIALLANDFILLSTEAM PLANT RD.ISLAND PO INT RD .ACTIVEASH BASIN148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.comPROJECT MANAGER:LAYOUT:DRAWN BY:DATE:A-A THALLIUM01/29/2018 3:50 PMP:\Duke Energy Carolinas\18. MARSHALL\CSA Update January 2018\Figures\X Secs\Marshall_XSects_A-A_Analytical.dwgFIGURE 11-112THALLIUM ANALYTICAL RESULTSCROSS SECTION A-A'MARSHALL STEAM STATIONDUKE ENERGY CAROLINAS, LLCTERRELL, NORTH CAROLINAMATCHLINE 1 MATCHLINE 1 T. PLATINGCROSS SECTION LOCATIONNOTE:CROSS SECTION A-A' IS LINEAR IN NATURE AND ALLLOCATIONS NOT ALONG THE CROSS SECTION AREPROJECTED ONTO THE CROSS SECTION.E. KINSEY/ C. NEWELL1/26/20184004080VERTICAL GRAPHIC SCALEIN FEET2000200400HORIZONTAL GRAPHIC SCALEIN FEETSCALE: AS SHOWNSOURCE INFORMATION:NOTES1.DEPTH TO GROUNDWATER GAUGED IN MONITORING WELLS ON SEPTEMBER 25 & 26, 2017.2.THE NORTH CAROLINA IMAC FOR THALLIUM IS 0.2 μg/L.3.PROVISIONAL BACKGROUND THRESHOLD VALUE (PBTV) FOR THALLIUM IS 0.1 μg/L WITHIN THE SHALLOW,0.1 μg/L WITHIN THE DEEP, AND 0.1 μg/L WITHIN THE BEDROCK FLOW LAYERS.4.ALL VERTICAL ELEVATIONS ARE MEASURED IN FEET, NORTH AMERICA VERTICAL DATUM (NAVD) OF 1988.5.ANALYTICAL DATA PRESENTED WAS COLLECTED DURING SEPTEMBER-OCTOBER 2017.ORIGINAL CROSS SECTION BASE OBTAINED FROM HDR, CSA SUPPLEMENT 2, DATED AUGUST 2016.**CONCENTRATION IS FLAGGED DUE TO ELEVATED pH> 8.5 AND NOT CONSIDERED FOR CONTOURING PURPOSES.2.14CONCENTRATION IN µg/LSHALLOW FLOW LAYER GROUNDWATERWELL WATER LEVEL ELEVATIONDEEP FLOW LAYER GROUNDWATERWELL WATER LEVEL ELEVATIONBEDROCK FLOW LAYER GROUNDWATERWELL WATER LEVEL ELEVATIONGENERALIZED WATER TABLEMW-16BRMW-16DMW-12SABMW-2WELL IN TRANSITION ZONEWELL IN SAPROLITE MATERIALWELL IN BEDROCKWELL IN ASH PORE WATERGENERALIZED GROUNDWATERFLOW DIRECTIONLEGENDASHASH PORE WATERBEDROCKTRANSITION ZONE<0.5CONCENTRATION IN µg/L**ASH FLOW LAYER GROUNDWATERWELL WATER LEVEL ELEVATIONSAPROLITEFILLA'A LAKE NORMAN EL. 760AB-5BRAB-5DAB-5SAB-4DAB-4SLAB-4SSB-15AB-2DAB-2SBEDROCK ASH FILL TRANSITION ZONE B (WEST)(EAST) B' ASH BASIN DAM ASH PORE WATER SAPROLITE ACTIVE ASH BASIN SAPROLITE ACTIVE ASH BASIN DRY ASH BASIN INDUSTRIAL LANDFILL LAKE NORMAN STEA M P L A N T R D .ISLAN D P OI N T R D. 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY: T. PLATING DATE:E. KINSEY/ C. NEWELL B-B THALLIUM 1/26/2018 01/29/2018 3:04 PM P:\Duke Energy Carolinas\18. MARSHALL\CSA Update January 2018\Figures\X Secs\Marshall_XSects_B-B_Analytical.dwg FIGURE 11-113 THALLIUM ANALYTICAL RESULTS CROSS SECTION B-B' MARSHALL STEAM STATION DUKE ENERGY CAROLINAS, LLC TERRELL, NORTH CAROLINA 40 0 40 80 VERTICAL GRAPHIC SCALE IN FEET 200 0 200 400 HORIZONTAL GRAPHIC SCALE IN FEET CROSS SECTION LOCATION B'B NOTE: CROSS SECTION B-B' IS LINEAR IN NATURE AND ALL LOCATIONS NOT ALONG THE CROSS SECTION ARE PROJECTED ONTO THE CROSS SECTION. SCALE: AS SHOWN 0.54 0.15 0.064 j 0.44 <1 <0.1 <0.1 0.17 SOURCE INFORMATION: NOTES 1.DEPTH TO GROUNDWATER GAUGED IN MONITORING WELLS ON SEPTEMBER 25 & 26, 2017. 2.THE NORTH CAROLINA IMAC FOR THALLIUM IS 0.2 μg/L. 3.PROVISIONAL BACKGROUND THRESHOLD VALUE (PBTV) FOR THALLIUM IS 0.1 μg/L WITHIN THE SHALLOW, 0.1 μg/L WITHIN THE DEEP, AND 0.1 μg/L WITHIN THE BEDROCK FLOW LAYERS. 4.ALL VERTICAL ELEVATIONS ARE MEASURED IN FEET, NORTH AMERICA VERTICAL DATUM (NAVD) OF 1988. 5.ANALYTICAL DATA PRESENTED WAS COLLECTED DURING SEPTEMBER-OCTOBER 2017. ORIGINAL CROSS SECTION BASE OBTAINED FROM HDR, CSA SUPPLEMENT 2, DATED AUGUST 2016. PROVISIONAL BACKGROUND THRESHOLD VALUE (PBTV) 2.14 CONCENTRATION IN µg/L SHALLOW FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION DEEP FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION BEDROCK FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATIONGENERALIZED WATER TABLE MW-16BR MW-16D MW-12S ABMW-2 WELL IN TRANSITION ZONE WELL IN SAPROLITE MATERIAL WELL IN BEDROCK WELL IN ASH PORE WATER GENERALIZED GROUNDWATER FLOW DIRECTION LEGEND ASH ASH PORE WATER BEDROCK TRANSITION ZONE ASH FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION SAPROLITE FILL GWA-6DGWA-6SAB-11DAB-11SAB-10DAB-10SLAB-10SC (NORTHEAST) BEDROCK TRANSITION ZONE ASH ASH PORE WATER ASH AB-10BRASH BASIN WASTE BOUNDARY SAPROLITE AB-12DAB-12SLAB-12SAB-8DAB-8SAB-6DAB-6BRAB-6SC' (SOUTHWEST)AB-11DAB-11SMW-11DMW-11SASH INNER ASH BASIN ROAD GWA-12BRGWA-12DGWA-12SSETTLING POND DUKE ENERGY PROPERTY BOUNDARY TRANSITION ZONE ASH PORE WATER ASH PORE WATER ASHAB-12BRAB-6BRAASH BASIN WASTE BOUNDARY SAPROLITE ACTIVE ASH BASIN DRY ASH BASIN INDUSTRIAL LANDFILL LAKE NORMAN STEA M P L A N T R D .ISLAN D P OI N T R D. C C' 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY:DATE: C-C THALLIUM 01/27/2018 11:48 AM P:\Duke Energy Carolinas\18. MARSHALL\CSA Update January 2018\Figures\X Secs\Marshall_XSects_C-C_Analytical.dwg FIGURE 11-114 THALLIUM ANALYTICAL RESULTS CROSS SECTION C-C' MARSHALL STEAM STATION DUKE ENERGY CAROLINAS, LLC TERRELL, NORTH CAROLINAMATCHLINE 2MATCHLINE 2T. PLATING E. KINSEY/ C. NEWELL 1/26/20184004080 VERTICAL GRAPHIC SCALE IN FEET 200 0 200 400 HORIZONTAL GRAPHIC SCALE IN FEET SCALE: AS SHOWN CROSS SECTION LOCATION NOTE: CROSS SECTION C-C' IS LINEAR IN NATURE AND ALL LOCATIONS NOT ALONG THE CROSS SECTION ARE PROJECTED ONTO THE CROSS SECTION. <0.1 <0.1 <0.1 <0.1 0.16 0.021 j <0.1 <0.1 <0.1 0.13 0.063 j 0.057 j <0.1 1 <0.1 0.4 <0.1 <0.2 <0.2 <0.1 0.048 j 0.081 j SOURCE INFORMATION: NOTES 1.DEPTH TO GROUNDWATER GAUGED IN MONITORING WELLS ON SEPTEMBER 25 & 26, 2017. 2.THE NORTH CAROLINA IMAC FOR THALLIUM IS 0.2 μg/L. 3.PROVISIONAL BACKGROUND THRESHOLD VALUE (PBTV) FOR THALLIUM IS 0.1 μg/L WITHIN THE SHALLOW, 0.1 μg/L WITHIN THE DEEP, AND 0.1 μg/L WITHIN THE BEDROCK FLOW LAYERS. 4.ALL VERTICAL ELEVATIONS ARE MEASURED IN FEET, NORTH AMERICA VERTICAL DATUM (NAVD) OF 1988. 5.ANALYTICAL DATA PRESENTED WAS COLLECTED DURING SEPTEMBER-OCTOBER 2017. ORIGINAL CROSS SECTION BASE OBTAINED FROM HDR, CSA SUPPLEMENT 2, DATED AUGUST 2016. **CONCENTRATION IS FLAGGED DUE TO ELEVATED pH> 8.5 AND NOT CONSIDERED FOR CONTOURING PURPOSES. 2.14 CONCENTRATION IN µg/L SHALLOW FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION DEEP FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION BEDROCK FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION GENERALIZED WATER TABLE MW-16BR MW-16D MW-12S ABMW-2 WELL IN TRANSITION ZONE WELL IN SAPROLITE MATERIAL WELL IN BEDROCK WELL IN ASH PORE WATER GENERALIZED GROUNDWATER FLOW DIRECTION LEGEND ASH ASH PORE WATER BEDROCK TRANSITION ZONE <0.5 CONCENTRATION IN µg/L ** ASH FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION SAPROLITE FILL AB-17DBEDROCK BEDROCKASHASH PORE WATERFILLTRANSITION ZONEAB-17SAB-18DAB-18S AB-15BR AB-15D AB-15SL AB-15SFILL A(NORTHWEST)ASH PORE WATER83118090340280265420577INDUSTRIAL LANDFILLDRY ASH BASINSAPROLITESAPROLITEASH BASIN DAMBEDROCKASH PORE WATERFILLLAKE NORMANEL. 760TRANSITION ZONEAB-12DAB-12SLAB-12S AB-9BR AB-9D AB-9S MW-8D MW-8S SB-1 A'(SOUTHEAST)ASH PORE WATERASH767581510018013346474341AB-12BR DRY ASH BASINPOWER LINE R/W359SAPROLITEACTIVE ASH BASINLAKE NORMANDRYASH BASININDUSTRIALLANDFILLSTEAM PLANT RD.ISLAND PO INT RD .ACTIVEASH BASIN148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.comPROJECT MANAGER:LAYOUT:DRAWN BY:DATE:A-A TDS01/29/2018 3:50 PMP:\Duke Energy Carolinas\18. MARSHALL\CSA Update January 2018\Figures\X Secs\Marshall_XSects_A-A_Analytical.dwgFIGURE 11-115TOTAL DISSOLVED SOLIDS ANALYTICAL RESULTSCROSS SECTION A-A'MARSHALL STEAM STATIONDUKE ENERGY CAROLINAS, LLCTERRELL, NORTH CAROLINAMATCHLINE 1 MATCHLINE 1 T. PLATINGCROSS SECTION LOCATIONNOTE:CROSS SECTION A-A' IS LINEAR IN NATURE AND ALLLOCATIONS NOT ALONG THE CROSS SECTION AREPROJECTED ONTO THE CROSS SECTION.E. KINSEY/ C. NEWELL1/26/20184004080VERTICAL GRAPHIC SCALEIN FEET2000200400HORIZONTAL GRAPHIC SCALEIN FEETSCALE: AS SHOWNSOURCE INFORMATION:NOTES1.DEPTH TO GROUNDWATER GAUGED IN MONITORING WELLS ON SEPTEMBER 25 & 26, 2017.2.THE NORTH CAROLINA 2L FOR TDS IS 500 mg/L.3.PROVISIONAL BACKGROUND THRESHOLD VALUE (PBTV) FOR TDS IS 140 mg/L WITHIN THE SHALLOW,183 mg/L WITHIN THE DEEP, AND 216 mg/L WITHIN THE BEDROCK FLOW LAYERS.4.ALL VERTICAL ELEVATIONS ARE MEASURED IN FEET, NORTH AMERICA VERTICAL DATUM (NAVD) OF 1988.5.ANALYTICAL DATA PRESENTED WAS COLLECTED DURING SEPTEMBER-OCTOBER 2017.ORIGINAL CROSS SECTION BASE OBTAINED FROM HDR, CSA SUPPLEMENT 2, DATED AUGUST 2016.**CONCENTRATION IS FLAGGED DUE TO ELEVATED pH> 8.5 AND NOT CONSIDERED FOR CONTOURING PURPOSES.500PROVISIONAL BACKGROUND THRESHOLD VALUE(PBTV)2L STANDARD2.14CONCENTRATION IN mg/LSHALLOW FLOW LAYER GROUNDWATERWELL WATER LEVEL ELEVATIONDEEP FLOW LAYER GROUNDWATERWELL WATER LEVEL ELEVATIONBEDROCK FLOW LAYER GROUNDWATERWELL WATER LEVEL ELEVATIONGENERALIZED WATER TABLEMW-16BRMW-16DMW-12SABMW-2WELL IN TRANSITION ZONEWELL IN SAPROLITE MATERIALWELL IN BEDROCKWELL IN ASH PORE WATERGENERALIZED GROUNDWATERFLOW DIRECTIONLEGENDASHASH PORE WATERBEDROCKTRANSITION ZONE<0.5CONCENTRATION IN mg/L**ASH FLOW LAYER GROUNDWATERWELL WATER LEVEL ELEVATIONSAPROLITEFILLA'A LAKE NORMAN EL. 760AB-5BRAB-5DAB-5SAB-4DAB-4SLAB-4SSB-15AB-2DAB-2SBEDROCK ASH FILL TRANSITION ZONE B (WEST)(EAST) B' ASH BASIN DAM ASH PORE WATER SAPROLITE ACTIVE ASH BASIN SAPROLITE ACTIVE ASH BASIN DRY ASH BASIN INDUSTRIAL LANDFILL LAKE NORMAN STEA M P L A N T R D .ISLAN D P OI N T R D. 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY: T. PLATING DATE:E. KINSEY/ C. NEWELL B-B TDS 1/26/2018 01/29/2018 3:04 PM P:\Duke Energy Carolinas\18. MARSHALL\CSA Update January 2018\Figures\X Secs\Marshall_XSects_B-B_Analytical.dwg FIGURE 11-116 TOTAL DISSOLVED SOLIDS ANALYTICAL RESULTS CROSS SECTION B-B' MARSHALL STEAM STATION DUKE ENERGY CAROLINAS, LLC TERRELL, NORTH CAROLINA 40 0 40 80 VERTICAL GRAPHIC SCALE IN FEET 200 0 200 400 HORIZONTAL GRAPHIC SCALE IN FEET CROSS SECTION LOCATION B'B NOTE: CROSS SECTION B-B' IS LINEAR IN NATURE AND ALL LOCATIONS NOT ALONG THE CROSS SECTION ARE PROJECTED ONTO THE CROSS SECTION. SCALE: AS SHOWN 325 481 107 140 132 375 59 SOURCE INFORMATION: NOTES 1.DEPTH TO GROUNDWATER GAUGED IN MONITORING WELLS ON SEPTEMBER 25 & 26, 2017. 2.THE NORTH CAROLINA 2L FOR TDS IS 500 mg/L. 3.PROVISIONAL BACKGROUND THRESHOLD VALUE (PBTV) FOR TDS IS 140 mg/L WITHIN THE SHALLOW, 183 mg/L WITHIN THE DEEP, AND 216 mg/L WITHIN THE BEDROCK FLOW LAYERS. 4.ALL VERTICAL ELEVATIONS ARE MEASURED IN FEET, NORTH AMERICA VERTICAL DATUM (NAVD) OF 1988. 5.ANALYTICAL DATA PRESENTED WAS COLLECTED DURING SEPTEMBER-OCTOBER 2017. ORIGINAL CROSS SECTION BASE OBTAINED FROM HDR, CSA SUPPLEMENT 2, DATED AUGUST 2016. 2820 PROVISIONAL BACKGROUND THRESHOLD VALUE (PBTV) 2.14 CONCENTRATION IN mg/L SHALLOW FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION DEEP FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION BEDROCK FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATIONGENERALIZED WATER TABLE MW-16BR MW-16D MW-12S ABMW-2 WELL IN TRANSITION ZONE WELL IN SAPROLITE MATERIAL WELL IN BEDROCK WELL IN ASH PORE WATER GENERALIZED GROUNDWATER FLOW DIRECTION LEGEND ASH ASH PORE WATER BEDROCK TRANSITION ZONE ASH FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION SAPROLITE FILL GWA-6DGWA-6SAB-11DAB-11SAB-10DAB-10SLAB-10SC (NORTHEAST) BEDROCK TRANSITION ZONE ASH ASH PORE WATER ASH AB-10BRASH BASIN WASTE BOUNDARY SAPROLITE AB-12DAB-12SLAB-12SAB-8DAB-8SAB-6DAB-6BRAB-6SC' (SOUTHWEST)AB-11DAB-11SMW-11DMW-11SASH INNER ASH BASIN ROAD GWA-12BRGWA-12DGWA-12SSETTLING POND DUKE ENERGY PROPERTY BOUNDARY TRANSITION ZONE ASH PORE WATER ASH PORE WATER ASHAB-12BRAB-6BRAASH BASIN WASTE BOUNDARY SAPROLITE ACTIVE ASH BASIN DRY ASH BASIN INDUSTRIAL LANDFILL LAKE NORMAN STEA M P L A N T R D .ISLAN D P OI N T R D. C C' 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY:DATE: C-C TDS 01/27/2018 11:48 AM P:\Duke Energy Carolinas\18. MARSHALL\CSA Update January 2018\Figures\X Secs\Marshall_XSects_C-C_Analytical.dwg FIGURE 11-117 TOTAL DISSOLVED SOLIDS ANALYTICAL RESULTS CROSS SECTION C-C' MARSHALL STEAM STATION DUKE ENERGY CAROLINAS, LLC TERRELL, NORTH CAROLINAMATCHLINE 2MATCHLINE 2T. PLATING E. KINSEY/ C. NEWELL 1/26/20184004080 VERTICAL GRAPHIC SCALE IN FEET 200 0 200 400 HORIZONTAL GRAPHIC SCALE IN FEET SCALE: AS SHOWN CROSS SECTION LOCATION NOTE: CROSS SECTION C-C' IS LINEAR IN NATURE AND ALL LOCATIONS NOT ALONG THE CROSS SECTION ARE PROJECTED ONTO THE CROSS SECTION. 76 48 D6 <25 98 1760 1260 313 372 581 5100 767 359 266 423 331 1080 525 44 57 111 146 32 SOURCE INFORMATION: NOTES 1.DEPTH TO GROUNDWATER GAUGED IN MONITORING WELLS ON SEPTEMBER 25 & 26, 2017. 2.THE NORTH CAROLINA 2L FOR TDS IS 500 mg/L. 3.PROVISIONAL BACKGROUND THRESHOLD VALUE (PBTV) FOR TDS IS 140 mg/L WITHIN THE SHALLOW, 183 mg/L WITHIN THE DEEP, AND 216 mg/L WITHIN THE BEDROCK FLOW LAYERS. 4.ALL VERTICAL ELEVATIONS ARE MEASURED IN FEET, NORTH AMERICA VERTICAL DATUM (NAVD) OF 1988. 5.ANALYTICAL DATA PRESENTED WAS COLLECTED DURING SEPTEMBER-OCTOBER 2017. ORIGINAL CROSS SECTION BASE OBTAINED FROM HDR, CSA SUPPLEMENT 2, DATED AUGUST 2016. **CONCENTRATION IS FLAGGED DUE TO ELEVATED pH> 8.5 AND NOT CONSIDERED FOR CONTOURING PURPOSES. 2L STANDARD 500 500 PROVISIONAL BACKGROUND THRESHOLD VALUE (PBTV) 2.14 CONCENTRATION IN mg/L SHALLOW FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION DEEP FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION BEDROCK FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION GENERALIZED WATER TABLE MW-16BR MW-16D MW-12S ABMW-2 WELL IN TRANSITION ZONE WELL IN SAPROLITE MATERIAL WELL IN BEDROCK WELL IN ASH PORE WATER GENERALIZED GROUNDWATER FLOW DIRECTION LEGEND ASH ASH PORE WATER BEDROCK TRANSITION ZONE <0.5 CONCENTRATION IN mg/L** ASH FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION SAPROLITE FILL AB-17DBEDROCK BEDROCKASHASH PORE WATERFILLTRANSITION ZONEAB-17SAB-18DAB-18S AB-15BR AB-15D AB-15SL AB-15SFILL A(NORTHWEST)ASH PORE WATER4.36.92.45.40.17 J,B0.13 J,B0.84 B1.2 BINDUSTRIAL LANDFILLDRY ASH BASINSAPROLITESAPROLITEASH BASIN DAMBEDROCKASH PORE WATERFILLLAKE NORMANEL. 760TRANSITION ZONEAB-12DAB-12SLAB-12S AB-9BR AB-9D AB-9S MW-8D MW-8S SB-1 A'(SOUTHEAST)ASH PORE WATERASH0.1 J0.550.710.97<0.30.19 J0.74 B0.14 J,BAB-12BR DRY ASH BASINPOWER LINE R/W0.15 JSAPROLITEACTIVE ASH BASINLAKE NORMANDRYASH BASININDUSTRIALLANDFILLSTEAM PLANT RD.ISLAND PO INT RD .ACTIVEASH BASIN148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.comPROJECT MANAGER:LAYOUT:DRAWN BY:DATE:A-A VANADIUM01/29/2018 3:50 PMP:\Duke Energy Carolinas\18. MARSHALL\CSA Update January 2018\Figures\X Secs\Marshall_XSects_A-A_Analytical.dwgFIGURE 11-118VANADIUM ANALYTICAL RESULTS CROSS SECTION A-A'MARSHALL STEAM STATIONDUKE ENERGY CAROLINAS, LLCTERRELL, NORTH CAROLINAMATCHLINE 1 MATCHLINE 1 T. PLATINGCROSS SECTION LOCATIONNOTE:CROSS SECTION A-A' IS LINEAR IN NATURE AND ALLLOCATIONS NOT ALONG THE CROSS SECTION AREPROJECTED ONTO THE CROSS SECTION.E. KINSEY/ C. NEWELL1/26/20184004080VERTICAL GRAPHIC SCALEIN FEET2000200400HORIZONTAL GRAPHIC SCALEIN FEETSCALE: AS SHOWNSOURCE INFORMATION:NOTES1.DEPTH TO GROUNDWATER GAUGED IN MONITORING WELLS ON SEPTEMBER 25 & 26, 2017.2.THE NORTH CAROLINA IMAC FOR VANADIUM IS 0.3 μg/L.3.PROVISIONAL BACKGROUND THRESHOLD VALUE (PBTV) FOR VANADIUM IS 5.6 μg/L WITHIN THE SHALLOW,3.8 μg/L WITHIN THE DEEP, AND 16 μg/L WITHIN THE BEDROCK FLOW LAYERS.4.ALL VERTICAL ELEVATIONS ARE MEASURED IN FEET, NORTH AMERICA VERTICAL DATUM (NAVD) OF 1988.5.ANALYTICAL DATA PRESENTED WAS COLLECTED DURING SEPTEMBER-OCTOBER 2017.ORIGINAL CROSS SECTION BASE OBTAINED FROM HDR, CSA SUPPLEMENT 2, DATED AUGUST 2016.**CONCENTRATION IS FLAGGED DUE TO ELEVATED pH> 8.5 AND NOT CONSIDERED FOR CONTOURING PURPOSES.PROVISIONAL BACKGROUND THRESHOLD VALUE(PBTV)2.14CONCENTRATION IN µg/LSHALLOW FLOW LAYER GROUNDWATERWELL WATER LEVEL ELEVATIONDEEP FLOW LAYER GROUNDWATERWELL WATER LEVEL ELEVATIONBEDROCK FLOW LAYER GROUNDWATERWELL WATER LEVEL ELEVATIONGENERALIZED WATER TABLEMW-16BRMW-16DMW-12SABMW-2WELL IN TRANSITION ZONEWELL IN SAPROLITE MATERIALWELL IN BEDROCKWELL IN ASH PORE WATERGENERALIZED GROUNDWATERFLOW DIRECTIONLEGENDASHASH PORE WATERBEDROCKTRANSITION ZONE<0.5CONCENTRATION IN µg/L**ASH FLOW LAYER GROUNDWATERWELL WATER LEVEL ELEVATIONSAPROLITEFILLA'A LAKE NORMAN EL. 760AB-5BRAB-5DAB-5SAB-4DAB-4SLAB-4SSB-15AB-2DAB-2SBEDROCK ASH FILL TRANSITION ZONE B (WEST)(EAST) B' ASH BASIN DAM ASH PORE WATER SAPROLITE ACTIVE ASH BASIN SAPROLITE ACTIVE ASH BASIN DRY ASH BASIN INDUSTRIAL LANDFILL LAKE NORMAN STEA M P L A N T R D .ISLAN D P OI N T R D. 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY: T. PLATING DATE:E. KINSEY/ C. NEWELL B-B VANADIUM 1/26/2018 01/29/2018 3:04 PM P:\Duke Energy Carolinas\18. MARSHALL\CSA Update January 2018\Figures\X Secs\Marshall_XSects_B-B_Analytical.dwg FIGURE 11-119 VANADIUM ANALYTICAL RESULTS CROSS SECTION B-B' MARSHALL STEAM STATION DUKE ENERGY CAROLINAS, LLC TERRELL, NORTH CAROLINA 40 0 40 80 VERTICAL GRAPHIC SCALE IN FEET 200 0 200 400 HORIZONTAL GRAPHIC SCALE IN FEET CROSS SECTION LOCATION B'B NOTE: CROSS SECTION B-B' IS LINEAR IN NATURE AND ALL LOCATIONS NOT ALONG THE CROSS SECTION ARE PROJECTED ONTO THE CROSS SECTION. SCALE: AS SHOWN 6.4 0.78 0.077 j 1.9 2.4 j <0.3 0.3 B 0.1 j, B SOURCE INFORMATION: NOTES 1.DEPTH TO GROUNDWATER GAUGED IN MONITORING WELLS ON SEPTEMBER 25 & 26, 2017. 2.THE NORTH CAROLINA IMAC FOR VANADIUM IS 0.3 μg/L. 3.PROVISIONAL BACKGROUND THRESHOLD VALUE (PBTV) FOR VANADIUM IS 5.6 μg/L WITHIN THE SHALLOW, 3.8 μg/L WITHIN THE DEEP, AND 16 μg/L WITHIN THE BEDROCK FLOW LAYERS. 4.ALL VERTICAL ELEVATIONS ARE MEASURED IN FEET, NORTH AMERICA VERTICAL DATUM (NAVD) OF 1988. 5.ANALYTICAL DATA PRESENTED WAS COLLECTED DURING SEPTEMBER-OCTOBER 2017. ORIGINAL CROSS SECTION BASE OBTAINED FROM HDR, CSA SUPPLEMENT 2, DATED AUGUST 2016. 2.14 CONCENTRATION IN µg/L SHALLOW FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION DEEP FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION BEDROCK FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATIONGENERALIZED WATER TABLE MW-16BR MW-16D MW-12S ABMW-2 WELL IN TRANSITION ZONE WELL IN SAPROLITE MATERIAL WELL IN BEDROCK WELL IN ASH PORE WATER GENERALIZED GROUNDWATER FLOW DIRECTION LEGEND ASH ASH PORE WATER BEDROCK TRANSITION ZONE ASH FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION SAPROLITE FILL GWA-6DGWA-6SAB-11DAB-11SAB-10DAB-10SLAB-10SC (NORTHEAST) BEDROCK TRANSITION ZONE ASH ASH PORE WATER ASH AB-10BRASH BASIN WASTE BOUNDARY SAPROLITE AB-12DAB-12SLAB-12SAB-8DAB-8SAB-6DAB-6BRAB-6SC' (SOUTHWEST)AB-11DAB-11SMW-11DMW-11SASH INNER ASH BASIN ROAD GWA-12BRGWA-12DGWA-12SSETTLING POND DUKE ENERGY PROPERTY BOUNDARY TRANSITION ZONE ASH PORE WATER ASH PORE WATER ASHAB-12BRAB-6BRAASH BASIN WASTE BOUNDARY SAPROLITE ACTIVE ASH BASIN DRY ASH BASIN INDUSTRIAL LANDFILL LAKE NORMAN STEA M P L A N T R D .ISLAN D P OI N T R D. C C' 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY:DATE: C-C VANADIUM 01/27/2018 11:48 AM P:\Duke Energy Carolinas\18. MARSHALL\CSA Update January 2018\Figures\X Secs\Marshall_XSects_C-C_Analytical.dwg FIGURE 11-120 VANADIUM ANALYTICAL RESULTS CROSS SECTION C-C' MARSHALL STEAM STATION DUKE ENERGY CAROLINAS, LLC TERRELL, NORTH CAROLINAMATCHLINE 2MATCHLINE 2T. PLATING E. KINSEY/ C. NEWELL 1/26/20184004080 VERTICAL GRAPHIC SCALE IN FEET 200 0 200 400 HORIZONTAL GRAPHIC SCALE IN FEET SCALE: AS SHOWN CROSS SECTION LOCATION NOTE: CROSS SECTION C-C' IS LINEAR IN NATURE AND ALL LOCATIONS NOT ALONG THE CROSS SECTION ARE PROJECTED ONTO THE CROSS SECTION. 1.5 0.68 0.48 0.8 0.66 B 7.3 1 B 0.23 j,B 0.71 0.97 0.55 0.15 j <0.3 0.89 0.16 j,B 5.5 6 2.48 15.3 0.16 j 1.8 0.12 j SOURCE INFORMATION: NOTES 1.DEPTH TO GROUNDWATER GAUGED IN MONITORING WELLS ON SEPTEMBER 25 & 26, 2017. 2.THE NORTH CAROLINA IMAC FOR VANADIUM IS 0.3 μg/L. 3.PROVISIONAL BACKGROUND THRESHOLD VALUE (PBTV) FOR VANADIUM IS 5.6 μg/L WITHIN THE SHALLOW, 3.8 μg/L WITHIN THE DEEP, AND 16 μg/L WITHIN THE BEDROCK FLOW LAYERS. 4.ALL VERTICAL ELEVATIONS ARE MEASURED IN FEET, NORTH AMERICA VERTICAL DATUM (NAVD) OF 1988. 5.ANALYTICAL DATA PRESENTED WAS COLLECTED DURING SEPTEMBER-OCTOBER 2017. ORIGINAL CROSS SECTION BASE OBTAINED FROM HDR, CSA SUPPLEMENT 2, DATED AUGUST 2016. **CONCENTRATION IS FLAGGED DUE TO ELEVATED pH> 8.5 AND NOT CONSIDERED FOR CONTOURING PURPOSES. PROVISIONAL BACKGROUND THRESHOLD VALUE (PBTV) 2.14 CONCENTRATION IN µg/L SHALLOW FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION DEEP FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION BEDROCK FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION GENERALIZED WATER TABLE MW-16BR MW-16D MW-12S ABMW-2 WELL IN TRANSITION ZONE WELL IN SAPROLITE MATERIAL WELL IN BEDROCK WELL IN ASH PORE WATER GENERALIZED GROUNDWATER FLOW DIRECTION LEGEND ASH ASH PORE WATER BEDROCK TRANSITION ZONE <0.5 CONCENTRATION IN µg/L ** ASH FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION SAPROLITE FILL LAKE NORMANBGSB-GWA-6BORROW AREABGSB-GWA-2BGSB-GWA-4MR1001MR1009MR1002MR1006MR1008MR1010MAP SOURCE NOTES:NOT ALL UTILITIES ARE IDENTIFIED ON THIS DRAWING. THE UTILITIES SHOWN ON THIS DRAWING ARE VISUAL AIDS. THE HORIZONTAL ANDVERTICAL LOCATIONS OF THE UTLITIES HAVE NOT BEEN FIELD VERIFIED. ANY UTILITIES SHOWN ARE APPROXIMATE.LEGENDWELL IN DEEP ZONEWELL IN SHALLOW ZONEWELL IN BEDROCK ZONEABMW-07WELL IN ASH PORE WATERWELL ABANDONEDABMW-05SASH BASIN COMPLIANCE BOUNDARYPARCEL LINE DUKE ENERGY (APPROXIMATE)ASH BASIN WASTE BOUNDARYWATER SUPPLY WELL SAMPLEDWATER SAMPLE LOCATION SAMPLEDSURFACE WATER FLOW DIRECTIONFIGURE 11-121SOLID PHASE - GROUNDWATERINTERACTION DATA MAPMARSHALL STEAM STATION8320 NC HIGHWAY 150 ETERRELL, NORTH CAROLINADUKEENERGYCAROLINASFIG 11-121 (GW INTERACTION)BRIAN WILKERJOHN CHASTAINPROJECT MANAGER:LAYOUT NAME:DRAWN BY:CHECKED BY:TODD PLATINGDATE:DATE:www.synterracorp.com148 River Street, Suite 220Greenville, South Carolina 29601864-421-99991/24/20181/24/2018GRAPHIC SCALE6003001500300(IN FEET)S-2AREA OF WETNESS (AOW) SAMPLE LOCATIONWATER SUPPLY WELL NOT SAMPLEDAPPROXIMATE STREAM (NON-JD)TOPOGRAPHY IS BASED ON LIDAR BARE EARTH DATA OBTAINED FROM THE FRIS\NORTH CAROLINA FLOOD RISK INFORMATION SYSTEM AThttp://fris.nc.gov/fris/Download.aspx?FIPS=031&ST=NC&user=General%20Public AND A DRAWING TITLED AERIAL TOPOGRAPHIC SURVEY-MARSHALL STEAM STATION BY WSP, JOB NUMBER 157002.00 AND DRAWING FILE NAME APRIL2014_MARSHALL_10-30-15.DWGSAMPLE LOCATIONS WERE OBTAINED FROM HDR INFORMATION AND MAY BE APPROXIMATE IN SOME CASES.SOIL OR GEOTECHNICAL BORINGAPPROXIMATE POND OR RESERVOIR (NON-JD)APPROXIMATE ASH BASIN PONDED WATERSW-AB8SB-12LANDFILL COMPLIANCE BOUNDARYLANDFILL BOUNDARYGWA-12DAB-14DAB-14SAB-13SAB-13DAB-7DAB-7SAB-8DAB-8SAB-20DAB-20SAB-15BRAB-15DAB-15SAB-15SLAL-4BRAL-4DAB-16DAB-16SAB-18SAB-18DAB-17DAB-17SGWA-4DGWA-3DGWA-3SAL-3BRAL-3SAL-3DAB-11SAB-11DAL-2BRLAL-2BRAL-2DAL-2SGWA-14SGWA-14DGWA-13SGWA-13DAGWA-13DAB-6SAB-6DAB-9BRAB-6BRBG-3SBG-3DBG-3BRBG-1SBG-1DBG-1BRABG-1BRBG-2BRBG-2SCCR-16SCCR-16DCCR-15DCCR-15SGWA-10SGWA-10DGWA-15SGWA-11SGWA-11DGWA-11BRCCR-14SCCR-14DAL-1SAL-1DCCR-13SCCR-13DCCR-12SCCR-12DCCR-11DCCR-11SCCR-10SCCR-10DCCR-9DACCR-9DCCR-9SAB-1BRAB-1DAB-1SAB-2SAB-2DCCR-5SCCR-5DCCR-4SCCR-4DCCR-3DCCR-3SAB-21DAB-21SAB-9DAB-9SAB-10BRAB-10DAB-10SAB-10SLAB-12BRAB-12DAB-12SAB-12SLC-1AB-5BRAB-5DAB-5SAB-4DAB-4SAB-4SLAB-3SAB-3DCCR-1SCCR-1DCCR-2SCCR-2DGWA-2DAGWA-2SGWA-2DGWA-1SGWA-1DGWA-1BRINDUSTRIAL LANDFILL NO. 1SHERRILL'S FORD RDISLAND POINT RDSHERRILL'S FORD RDSHERRILL'S FORD RDGWA-7DGWA-7SMW-14SMW-14BRMW-14DMW-1OB-1 (DAF)MW-6SMW-6DMW-10DMW-10SMW-7SMW-7DMW-8SMW-8DMW-9DMW-9SSW-1SW-10SW-11SW-4SW-5SW-3MS-8MS-9MS-10MS-16MS-15MS-14MS-11MS-12MS-13MW-11DMW-11SGWA-12BRGWA-12SMW-12DMW-12SSW-2SW-9SW-8MW-13DMW-13SGWA-9BRSW-7GWA-4SMW-4DMW-4MW-7(OW-3)MW-6(OW-2)MW-5MW-3MW-2GWA-6DGWA-6SGWA-5DGWA-5SGWA-8DGWA-8SNPDES OUTFALL 101NPDES OUTFALL 102DEMOLITIONLANDFILLASBESTOS LANDFILLDRY ASH LANDFILL (PHASE II)DRY ASH LANDFILL(PHASE I)ISA L N D P O I N T R DCAPAS COVE RDISLAND POINT RDFGD RESIDUE LANDFILLPERMIT NO. 1809PV STRUCTURAL FILLACTIVE ASH BASINCELL 2CELL 4CELL 1CELL 3NEW EMERGENCY SPILLWAYNEW OUTFLOW STRUCTUREDISCHARGE TOWER (INACTIVE)NEW DISCHARGESTRUCTUREAB-6BRLAB-6BRAAB-1BRLAL-4BRLAL-1BRMR32MR35MR40MR31MR22MR8MR10MR25MR12MR11MR38MR43MR23MR14MR20MR33MR37MR42MR1MR26MR17MR4MR18MR6MR45MR48MR44PUBLIC WATER SUPPLY WELL NOT SAMPLEDPWS:0118497PWS:0118497PWS:0118780PWS:0118623PWS:0118622GREENWOOD RDC L EM E N T C I R ST U T T S S TSTUTTS STSB-1S-2MSSW002MSSW001SW-6S-1SB-14SB-11SB-10SB-7SB-4SB-8SB-3SB-2SB-5SB-13OB-1 (ASH BASIN)MR36MR16MR21MR46PIEZOMETER IN SHALLOW ZONEP-102MS-4MS-5MS-2MS-3MS-7MS-1MR13MR9SB-15MS-6PIEZOMETER ABANDONEDMS-7AB-10BRAB-10DAB-10SLAL-2BRLLSW-12NPDES OUTFALL 002MR45MR29MR47SOIL/WATER PAIR SAMPLE LOCATION (ft bgs): Identifies a soil sample taken for total metals or TotalOrganic Carbon(TOC) analysis within a corresponding monitoring well screened interval.CONDUCTIVITY (ft/day): Hydraulic conductivity of the identified flow zone measured in a correspondingmonitoring well.HYDROUS FERROUS OXIDE (mg/kg): Identifies a soil sample taken for HFO; note that the sample IDmay not match the well ID at all locations. Bold text identifies samples taken within the correspondingscreened interval.SORPTION COEFFICIENT (mL/g): Geomean of the batch sorption coefficient (Kd) for the indicated listof constituents. Bold text identifies samples taken within the corresponding screened interval.Color code identifies flow zone.Nomenclature for Sample ID: Boring Location (sample interval in ft bgs). Note that while boring locationmay be given a suffix (S, SL, D, BR), the sample interval or depth of that the soil sample determines theflow zone.* = These sample intervals are within the soil portion of this soil/ash pore well rather than the ash itself.Sources Notes:Total metals analysis for solid phase soil samples taken from Appendix B, Table 4 of CSA Update, 2018.Hydraulic conductivity values taken from Table 6-12 of CSA Update, 2018.HFO values are from the Soil Sorption Evaluation Report (Langley, W.G. & Oza, S., 31 Oct. 2015)included in Appendix C of CSA Update, 2018.Batch sorption Kd values were taken from the linear isotherm (So = 0) values from the Addendum to SoilSorption Evaluation (Langley, W.G. & Dongwook, K., 2 Feb. 2016) included in Appendix C of CSAUpdate, 2018.TABLE KEYGENERALIZED GROUNDWATERFLOW DIRECTIONTRANSECT WITH NAMETRANSECT TITLERED SAMPLE ID INDICATES THAT AN HFOSAMPLE IS PROPOSED TO BE COLLECTED FORSOIL WITHIN THE SCREENED INTERVAL.EAST TRANSECTCENTRAL TRANSECTAB-12S*/ AB-12D/ AB-12BRAB-9D/ AB-9BRAB-1D/ AB-1BRCENTRAL TRANSECTWESTERN TRANSECTEASTERN TRANSECTEASTERN TRANSECTCCR-13S/ CCR-13DGWA-11S/ GWA-11D/ GWA-11BRGWA-15S WESTERN TRANSECTAB-5S*/ AB-5D/ AB-5BRAB-3S/ AB-3DAB-2DMW-9S/ MW-9DSTRUCTURAL FILL BOUNDARY104AREA OF CONCENTRATION INGROUNDWATER ABOVE NC2L(SEE NOTE 1.)NOTE:1.GENERALIZED AREAL EXTENT OF MIGRATION REPRESENTED BY NCAC 02L EXCEEDANCES OF MULTIPLECONSTITUENTS IN MULTIPLE FLOW ZONES.NPDES OUTFALL 002ANPDES OUTFALL 002BNPDES OUTFALL 003DATA NOTES:NA=NOT ANALYZEDIDNA=ISOTHERM DATA NOT AVAILABLE &<&<&<&< &<&< &<&<&<&< &<&< &<&< &<&<&<&< &<&< &<&< &<&< &<&< &<&< &<&< &<&<&<&< &<&<&< &<&<&< &<&<&< &<&<&<&< &<&<&<&<&<&< &<&<&<&< &<&<&< &<&< &<&<&< &<&< &<&<&< &<&< &<&< &<&<&< &<&< &<&<&<&< &<&< &<&<&<&< &<&< &<&< &<&< &< &< &< ") ") ") ") ") ") ") ") ") ") ") &<&< &<&< &<&< &<&< &<&< &<&< &<&< &<&< &<&< &<&< &<&< &< ") &<&< &<&< &<&< &<&< &<&< &<&< &<&< &<&< &<&< &<&< &< &< &< &< &< &< &< &<&< &< &< &< &< &< &< &< &< &< &<&< &< &< &< &< &< FGD RESIDUELANDFILL PV STRUCTURALFILL INDUSTRIALLANDFILL #1 C&DLANDFILL ASH LANDFILL(PHASE II) ASH LANDFILL(PHASE I) ASBESTOSLANDFILL ACCESS ROADSTRUCTURALFILL ASH BASIN ASH BASIN LAKE NORMAN M ARSH ALL RD GREENWOOD RDBEATTY RDSHERRI LLS FORD RDS T A T E H W Y 1 5 0 RAILRO ADR A I L R O A D EXPOSUREAREA 1 EXPOSUREAREA 2 MW-1 AB-10S/SL/D/BR AB-11S/D AB-12S/SL/D/BR AB-13S/D AB-14S/D AB-15S/SL/D/BR AB-16S/D AB-17S/D AB-18S/D AB-1S/D/BR AB-20S/D AB-21S/D AB-2S/DAB-3S/D AB-4S/SL/D AB-5S/D/BR AB-6S/D AB-7S/D AB-8S/D AB-9S/D/BR AL-1S/D/BR AL-2S/D/BR/BRL AL-3S/D/BR AL-4D/BR BG-1S/D/BR BG-2S/BR BG-3S/D/BR GWA-10S/D GWA-11S/D GWA-12S/D/BR GWA-13S/D GWA-1S/D/BRGWA-2S/D GWA-3S/D GWA-4S/D GWA-5S/D GWA-6S/D GWA-7S/D GWA-8S/D GWA-9BR OB-1 (AshBasin)CCR-10S/D CCR-11S/D CCR-12S/D CCR-13S/D CCR-14S/D CCR-15S/D CCR-16S/D CCR-1S/D CCR-2S/D CCR-3S/D CCR-4S/D CCR-5S/D CCR-9S/D MW-10S/D MW-11S/D MW-12S/D MW-13S/D MW-14S/D/BR MW-4/D MW-6S/D MW-7S/D MW-8S/D MW-9S/D MS-10 MS-11 MS-12 MS-13 MS-14 MS-15 MS-16 MS-8 MS-9 MW-2 MW-3 MW-5 OB-1 (DryAsh Landfill) OB-2 (MW-6)OB-3 (MW-7) GWA-14S/D GWA-15S SW-1 SW-4 SW-3 SW-11 SW-8 SW-7 SW-9 SW-10 SW-1 SW-2 NOTES:GENERALIZED AREAL EXTENT OF MIGRATION REPRESENTED BY NCAC 02LEXCEEDANCES OF MULTIPLE CONSTITUENTS IN MULTIPLE FLOW ZONES. TWO EXPOSURE AREAS HAVE BEEN DEVELOPED BY HDR TO EVALUATE ECOLOGICALEXPOSURE TO SURFACE WATER, SEDIMENT, SEDIMENT AND AREAS OF W ETNESS(AOW). THE EXPOSURE AREAS CONSIDER ECOLOGICAL HABITATS, NEARBY W ATERBODIES, AND WET AREAS. NATURAL RESOURCES TECHNICAL REPORT (NRTR) PREPARED BY AMEC FOSTERWHEELER, INC., JUNE 19, 2015. WETLAND DELINEATION SURVEY CONDUCTED BY MCKIM AND CREED, MARCH 2016. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON SEPTEMBER 12,2017. IMAGE COLLECTED ON OCTOBER 8, 2016. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83/2011). FIGURE 12-1HUMAN HEALTH ANDECOLOGICAL EXPOSURE AREASMARSHALL STEAM STATIONDUKE ENERGY CAROLINAS, LLCTERRELL, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: T. PLATINGCHECKED BY: B. WILKER DATE: 01/25/2018 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Marshall\Mapdocs\CSA_Supplement_2\Fig12-01 - Human Health and Ecological Exposure Areas.mxd 600 0 600 1,200300 GRAPHIC SCALE IN FEET &<MONITORING W ELL &<BACKGROUND MONITORING W ELL ")SURFACE WATER LOCATION EXPOSURE AREA 1 EXPOSURE AREA 2 AREA OF CONCENTRATION IN GROUNDW ATERABOVE NC2L (SEE NOTES) ASH BASIN WASTE BOUNDARY ASH BASIN COMPLIANCE BOUNDARY LANDFILL BOUNDARY STRUCTURAL FILL BOUNDARY LANDFILL COMPLIANCE BOUNDARY DUKE ENERGY CAROLINAS MARSHALL PLANTSITE BOUNDARY <STREAM (AMEC NRTR 2015) WETLAND (MCKIM AND CREED 2016) LEGEND 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PREPARED BY: E. KINSEY CHECKED BY: T. PLATING PROJECT MANAGER: T. PLATING DATE: JANUARY 2018 FIGURE 14-1 TIME VERSUS CONCENTRATION - CENTRAL BASIN ANTIMONY MARSHALL STEAM STATION DUKE ENERGY CAROLINAS, LLC TERRELL, NORTH CAROLINA P:\Duke Energy Carolinas\18. MARSHALL\CSA Update January 2018\Final\Figures\Figure 14-1 - 14-38 Time v Conc.pdf Shallow (IMAC:1 µg/L, PBTV:0.5 µg/L) Deep (IMAC:1 µg/L, PBTV:0.5 µg/L) Bedrock (IMAC:1 µg/L, PBTV:0.5 µg/L) Notes: •Concentration scale may vary due to well specific concentration. Scales are equal where possible for ease of interpretation. •Dark orange = Estimated value due to pH/turbidity beyond acceptable limits. •Data presented may include lab-qualified results. Refer to analytical data table notes for qualifier definitions. Non-detect analytical results are plotted at the corresponding reporting limit. Source Downgradient -Distance +Shallow Deep Bedrock Ash Pore Water IMAC Provisional Background Threshold Value 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PREPARED BY: E. KINSEY CHECKED BY: T. PLATING PROJECT MANAGER: T. PLATING DATE: JANUARY 2018 FIGURE 14-2 TIME VERSUS CONCENTRATION – DOWNGRADIENT ANTIMONY MARSHALL STEAM STATION DUKE ENERGY CAROLINAS, LLC TERRELL, NORTH CAROLINA P:\Duke Energy Carolinas\18. MARSHALL\CSA Update January 2018\Final\Figures\Figure 14-1 - 14-38 Time v Conc.pdf Shallow (IMAC:1 µg/L, PBTV:0.5 µg/L) Deep (IMAC:1 µg/L, PBTV:0.5 µg/L) Bedrock (IMAC:1 µg/L, PBTV:0.5 µg/L) Notes: •Concentration scale may vary due to well specific concentration. Scales are equal where possible for ease of interpretation. •Dark orange = Estimated value due to pH/turbidity beyond acceptable limits. •Data presented may include lab-qualified results. Refer to analytical data table notes for qualifier definitions. Non-detect analytical results are plotted at the corresponding reporting limit. Source Downgradient -Distance +Shallow Deep Bedrock Ash Pore Water IMAC Provisional Background Threshold Value Information Not Available Information Not Available Information Not Available Information Not Available 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PREPARED BY: E. KINSEY CHECKED BY: T. PLATING PROJECT MANAGER: T. PLATING DATE: DECEMBER 2017 FIGURE 14-3 TIME VERSUS CONCENTRATION – CENTRAL BASIN ARSENIC MARSHALL STEAM STATION DUKE ENERGY CAROLINAS, LLC TERRELL, NORTH CAROLINA P:\Duke Energy Carolinas\18. MARSHALL\CSA Update January 2018\Final\Figures\Figure 14-1 - 14-38 Time v Conc.pdf Shallow (2L Std:10 µg/L, PBTV:0.4 µg/L) Deep (2L Std:10 µg/L, PBTV:0.6 µg/L) Bedrock (2L Std:10 µg/L, PBTV:0.6 µg/L) Notes: •Concentration scale may vary due to well specific concentration. Scales are equal where possible for ease of interpretation. •Dark orange = Estimated value due to pH/turbidity beyond acceptable limits. •Data presented may include lab-qualified results. Refer to analytical data table notes for qualifier definitions. Non-detect analytical results are plotted at the corresponding reporting limit. Source Downgradient -Distance +Shallow Deep Bedrock Ash Pore Water 2L Standard Provisional Background Threshold Value 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PREPARED BY: E. KINSEY CHECKED BY: T. PLATING PROJECT MANAGER: T. PLATING DATE: JANUARY 2018 FIGURE 14-4 TIME VERSUS CONCENTRATION – DOWNGRADIENT ARSENIC MARSHALL STEAM STATION DUKE ENERGY CAROLINAS, LLC TERRELL, NORTH CAROLINA P:\Duke Energy Carolinas\18. MARSHALL\CSA Update January 2018\Final\Figures\Figure 14-1 - 14-38 Time v Conc.pdf Shallow (2L Std:10 µg/L, PBTV:0.4 µg/L) Deep (2L Std:10 µg/L, PBTV:0.6 µg/L) Bedrock (2L Std:10 µg/L, PBTV:0.6 µg/L) Notes: •Concentration scale may vary due to well specific concentration. Scales are equal where possible for ease of interpretation. •Dark orange = Estimated value due to pH/turbidity beyond acceptable limits. •Data presented may include lab-qualified results. Refer to analytical data table notes for qualifier definitions. Non-detect analytical results are plotted at the corresponding reporting limit. Source Downgradient -Distance +Shallow Deep Bedrock Ash Pore Water 2L Standard Provisional Background Threshold Value Information Not Available Information Not Available Information Not Available Information Not Available 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PREPARED BY: E. KINSEY CHECKED BY: T. PLATING PROJECT MANAGER: T. PLATING DATE: JANUARY 2018 FIGURE 14-5 TIME VERSUS CONCENTRATION – CENTRAL BASIN BARIUM MARSHALL STEAM STATION DUKE ENERGY CAROLINAS, LLC TERRELL, NORTH CAROLINA P:\Duke Energy Carolinas\18. MARSHALL\CSA Update January 2018\Final\Figures\Figure 14-1 - 14-38 Time v Conc.pdf Shallow (2L Std:700 µg/L, PBTV:310 µg/L) Deep (2L Std:700 µg/L, PBTV:127 µg/L) Bedrock (2L Std:700 µg/L, PBTV:435 µg/L) Notes: •Concentration scale may vary due to well specific concentration. Scales are equal where possible for ease of interpretation. •Dark orange = Estimated value due to pH/turbidity beyond acceptable limits. •Data presented may include lab-qualified results. Refer to analytical data table notes for qualifier definitions. Non-detect analytical results are plotted at the corresponding reporting limit. Source Downgradient -Distance +Shallow Deep Bedrock Ash Pore Water 2L Standard Provisional Background Threshold Value 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PREPARED BY: E. KINSEY CHECKED BY: T. PLATING PROJECT MANAGER: T. PLATING DATE: JANUARY 2018 FIGURE 14-6 TIME VERSUS CONCENTRATION – DOWNGRADIENT BARIUM MARSHALL STEAM STATION DUKE ENERGY CAROLINAS, LLC TERRELL, NORTH CAROLINA P:\Duke Energy Carolinas\18. MARSHALL\CSA Update January 2018\Final\Figures\Figure 14-1 - 14-38 Time v Conc.pdf Shallow (2L Std:700 µg/L, PBTV:310 µg/L) Deep (2L Std:700 µg/L, PBTV:127 µg/L) Bedrock (2L Std:700 µg/L, PBTV:435 µg/L) Notes: •Concentration scale may vary due to well specific concentration. Scales are equal where possible for ease of interpretation. •Dark orange = Estimated value due to pH/turbidity beyond acceptable limits. •Data presented may include lab-qualified results. Refer to analytical data table notes for qualifier definitions. Non-detect analytical results are plotted at the corresponding reporting limit. Source Downgradient -Distance +Shallow Deep Bedrock Ash Pore Water 2L Standard Provisional Background Threshold Value Information Not Available Information Not Available Information Not Available Information Not Available 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PREPARED BY: E. KINSEY CHECKED BY: T. PLATING PROJECT MANAGER: T. PLATING DATE: JANUARY 2018 FIGURE 14-7 TIME VERSUS CONCENTRATION – CENTRAL BASIN BERYLLIUM MARSHALL STEAM STATION DUKE ENERGY CAROLINAS, LLC TERRELL, NORTH CAROLINA P:\Duke Energy Carolinas\18. MARSHALL\CSA Update January 2018\Final\Figures\Figure 14-1 - 14-38 Time v Conc.pdf Shallow (IMAC:4 µg/L, PBTV:0.2 µg/L) Deep (IMAC:4 µg/L, PBTV:0.1 µg/L) Bedrock (IMAC:4 µg/L, PBTV:0.2 µg/L) Notes: •Concentration scale may vary due to well specific concentration. Scales are equal where possible for ease of interpretation. •Dark orange = Estimated value due to pH/turbidity beyond acceptable limits. •Data presented may include lab-qualified results. Refer to analytical data table notes for qualifier definitions. Non-detect analytical results are plotted at the corresponding reporting limit. Source Downgradient -Distance +Shallow Deep Bedrock Ash Pore Water IMAC Provisional Background Threshold Value 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PREPARED BY: E. KINSEY CHECKED BY: T. PLATING PROJECT MANAGER: T. PLATING DATE: JANUARY 2018 FIGURE 14-8 TIME VERSUS CONCENTRATION – DOWNGRADIENT BERYLLIUM MARSHALL STEAM STATION DUKE ENERGY CAROLINAS, LLC TERRELL, NORTH CAROLINA P:\Duke Energy Carolinas\18. MARSHALL\CSA Update January 2018\Final\Figures\Figure 14-1 - 14-38 Time v Conc.pdf Shallow (IMAC:4 µg/L, PBTV:0.2 µg/L) Deep (IMAC:4 µg/L, PBTV:0.1 µg/L) Bedrock (IMAC:4 µg/L, PBTV:0.2 µg/L) Notes: •Concentration scale may vary due to well specific concentration. Scales are equal where possible for ease of interpretation. •Dark orange = Estimated value due to pH/turbidity beyond acceptable limits. •Data presented may include lab-qualified results. Refer to analytical data table notes for qualifier definitions. Non-detect analytical results are plotted at the corresponding reporting limit. Source Downgradient -Distance +Shallow Deep Bedrock Ash Pore Water IMAC Provisional Background Threshold Value Information Not Available Information Not Available Information Not Available Information Not Available 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PREPARED BY: E. KINSEY CHECKED BY: T. PLATING PROJECT MANAGER: T. PLATING DATE: JANUARY 2018 FIGURE 14-9 TIME VERSUS CONCENTRATION – CENTRAL BASIN BORON MARSHALL STEAM STATION DUKE ENERGY CAROLINAS, LLC TERRELL, NORTH CAROLINA P:\Duke Energy Carolinas\18. MARSHALL\CSA Update January 2018\Final\Figures\Figure 14-1 - 14-38 Time v Conc.pdf Shallow (2L Std:700 µg/L, PBTV:50 µg/L) Deep (2L Std:700 µg/L, PBTV:50 µg/L) Bedrock (2L Std:700 µg/L, PBTV:50 µg/L) Notes: •Concentration scale may vary due to well specific concentration. Scales are equal where possible for ease of interpretation. •Dark orange = Estimated value due to pH/turbidity beyond acceptable limits. •Data presented may include lab-qualified results. Refer to analytical data table notes for qualifier definitions. Non-detect analytical results are plotted at the corresponding reporting limit. Source Downgradient -Distance +Shallow Deep Bedrock Ash Pore Water 2L Standard Provisional Background Threshold Value 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PREPARED BY: E. KINSEY CHECKED BY: T. PLATING PROJECT MANAGER: T. PLATING DATE: JANUARY 2018 FIGURE 14-10 TIME VERSUS CONCENTRATION – DOWNGRADIENT BORON MARSHALL STEAM STATION DUKE ENERGY CAROLINAS, LLC TERRELL, NORTH CAROLINA P:\Duke Energy Carolinas\18. MARSHALL\CSA Update January 2018\Final\Figures\Figure 14-1 - 14-38 Time v Conc.pdf Shallow (2L Std:700 µg/L, PBTV:50 µg/L) Deep (2L Std:700 µg/L, PBTV:50 µg/L) Bedrock (2L Std:700 µg/L, PBTV:50 µg/L) Notes: •Concentration scale may vary due to well specific concentration. Scales are equal where possible for ease of interpretation. •Dark orange = Estimated value due to pH/turbidity beyond acceptable limits. •Data presented may include lab-qualified results. Refer to analytical data table notes for qualifier definitions. Non-detect analytical results are plotted at the corresponding reporting limit. Source Downgradient -Distance +Shallow Deep Bedrock Ash Pore Water 2L Standard Provisional Background Threshold Value Information Not Available Information Not Available Information Not Available Information Not Available 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PREPARED BY: E. KINSEY CHECKED BY: T. PLATING PROJECT MANAGER: T. PLATING DATE: JANUARY 2018 FIGURE 14-11 TIME VERSUS CONCENTRATION – CENTRAL BASIN CADMIUM MARSHALL STEAM STATION DUKE ENERGY CAROLINAS, LLC TERRELL, NORTH CAROLINA P:\Duke Energy Carolinas\18. MARSHALL\CSA Update January 2018\Final\Figures\Figure 14-1 - 14-38 Time v Conc.pdf Shallow (2L Std:2 µg/L, PBTV:0.08 µg/L) Deep (2L Std:2 µg/L, PBTV:0.08 µg/L) Bedrock (2L Std:2 µg/L, PBTV:0.08 µg/L) Notes: •Concentration scale may vary due to well specific concentration. Scales are equal where possible for ease of interpretation. •Dark orange = Estimated value due to pH/turbidity beyond acceptable limits. •Data presented may include lab-qualified results. Refer to analytical data table notes for qualifier definitions. Non-detect analytical results are plotted at the corresponding reporting limit. Source Downgradient -Distance +Shallow Deep Bedrock Ash Pore Water 2L Standard Provisional Background Threshold Value 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PREPARED BY: E. KINSEY CHECKED BY: T. PLATING PROJECT MANAGER: T. PLATING DATE: JANUARY 2018 FIGURE 14-12 TIME VERSUS CONCENTRATION – DOWNGRADIENT CADMIUM MARSHALL STEAM STATION DUKE ENERGY CAROLINAS, LLC TERRELL, NORTH CAROLINA P:\Duke Energy Carolinas\18. MARSHALL\CSA Update January 2018\Final\Figures\Figure 14-1 - 14-38 Time v Conc.pdf Shallow (2L Std:2 µg/L, PBTV:0.08 µg/L) Deep (2L Std:2 µg/L, PBTV:0.08 µg/L) Bedrock (2L Std:2 µg/L, PBTV:0.08 µg/L) Notes: •Concentration scale may vary due to well specific concentration. Scales are equal where possible for ease of interpretation. •Dark orange = Estimated value due to pH/turbidity beyond acceptable limits. •Data presented may include lab-qualified results. Refer to analytical data table notes for qualifier definitions. Non-detect analytical results are plotted at the corresponding reporting limit. Source Downgradient -Distance +Shallow Deep Bedrock Ash Pore Water 2L Standard Provisional Background Threshold Value Information Not Available Information Not Available Information Not Available Information Not Available 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PREPARED BY: E. KINSEY CHECKED BY: T. PLATING PROJECT MANAGER: T. PLATING DATE: JANUARY 2018 FIGURE 14-13 TIME VERSUS CONCENTRATION – CENTRAL BASIN CHLORIDE MARSHALL STEAM STATION DUKE ENERGY CAROLINAS, LLC TERRELL, NORTH CAROLINA P:\Duke Energy Carolinas\18. MARSHALL\CSA Update January 2018\Final\Figures\Figure 14-1 - 14-38 Time v Conc.pdf Shallow (2L Std:250 mg/L, PBTV:5.5 mg/L) Deep (2L Std:250 mg/L, PBTV:4.7 mg/L) Bedrock (2L Std:250 mg/L, PBTV:4.5 mg/L) Notes: •Concentration scale may vary due to well specific concentration. Scales are equal where possible for ease of interpretation. •Dark orange = Estimated value due to pH/turbidity beyond acceptable limits. •Data presented may include lab-qualified results. Refer to analytical data table notes for qualifier definitions. Non-detect analytical results are plotted at the corresponding reporting limit. Source Downgradient -Distance +Shallow Deep Bedrock Ash Pore Water 2L Standard Provisional Background Threshold Value 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PREPARED BY: E. KINSEY CHECKED BY: T. PLATING PROJECT MANAGER: T. PLATING DATE: JANUARY 2018 FIGURE 14-14 TIME VERSUS CONCENTRATION – DOWNGRADIENT CHLORIDE MARSHALL STEAM STATION DUKE ENERGY CAROLINAS, LLC TERRELL, NORTH CAROLINA P:\Duke Energy Carolinas\18. MARSHALL\CSA Update January 2018\Final\Figures\Figure 14-1 - 14-38 Time v Conc.pdf Shallow (2L Std:250 mg/L, PBTV:5.5 mg/L) Deep (2L Std:250 mg/L, PBTV:4.7 mg/L) Bedrock (2L Std:250 mg/L, PBTV:4.5 mg/L) Notes: •Concentration scale may vary due to well specific concentration. Scales are equal where possible for ease of interpretation. •Dark orange = Estimated value due to pH/turbidity beyond acceptable limits. •Data presented may include lab-qualified results. Refer to analytical data table notes for qualifier definitions. Non-detect analytical results are plotted at the corresponding reporting limit. Source Downgradient -Distance +Shallow Deep Bedrock Ash Pore Water 2L Standard Provisional Background Threshold Value Information Not Available Information Not Available Information Not Available Information Not Available 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PREPARED BY: E. KINSEY CHECKED BY: T. PLATING PROJECT MANAGER: T. PLATING DATE: JANUARY 2018 FIGURE 14-15 TIME VERSUS CONCENTRATION – CENTRAL BASIN CHROMIUM MARSHALL STEAM STATION DUKE ENERGY CAROLINAS, LLC TERRELL, NORTH CAROLINA P:\Duke Energy Carolinas\18. MARSHALL\CSA Update January 2018\Final\Figures\Figure 14-1 - 14-38 Time v Conc.pdf Shallow (2L Std:10 µg/L, PBTV:16.5 µg/L) Deep (2L Std:10 µg/L, PBTV:7.6 µg/L) Bedrock (2L Std:10 µg/L, PBTV:8.3 µg/L) Notes: •Concentration scale may vary due to well specific concentration. Scales are equal where possible for ease of interpretation. •Dark orange = Estimated value due to pH/turbidity beyond acceptable limits. •Data presented may include lab-qualified results. Refer to analytical data table notes for qualifier definitions. Non-detect analytical results are plotted at the corresponding reporting limit. Source Downgradient -Distance +Shallow Deep Bedrock Ash Pore Water 2L Standard Provisional Background Threshold Value 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PREPARED BY: E. KINSEY CHECKED BY: T. PLATING PROJECT MANAGER: T. PLATING DATE: JANUARY 2018 FIGURE 14-16 TIME VERSUS CONCENTRATION – DOWNGRADIENT CHROMIUM MARSHALL STEAM STATION DUKE ENERGY CAROLINAS, LLC TERRELL, NORTH CAROLINA P:\Duke Energy Carolinas\18. MARSHALL\CSA Update January 2018\Final\Figures\Figure 14-1 - 14-38 Time v Conc.pdf Shallow (2L Std:10 µg/L, PBTV:16.5 µg/L) Deep (2L Std:10 µg/L, PBTV:7.6 µg/L) Bedrock (2L Std:10 µg/L, PBTV:8.3 µg/L) Notes: •Concentration scale may vary due to well specific concentration. Scales are equal where possible for ease of interpretation. •Dark orange = Estimated value due to pH/turbidity beyond acceptable limits. •Data presented may include lab-qualified results. Refer to analytical data table notes for qualifier definitions. Non-detect analytical results are plotted at the corresponding reporting limit. Source Downgradient -Distance +Shallow Deep Bedrock Ash Pore Water 2L Standard Provisional Background Threshold Value Information Not Available Information Not Available Information Not Available Information Not Available 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PREPARED BY: E. KINSEY CHECKED BY: T. PLATING PROJECT MANAGER: T. PLATING DATE: DECEMBER 2017 FIGURE 14-17 TIME VERSUS CONCENTRATION – CENTRAL BASIN COBALT MARSHALL STEAM STATION DUKE ENERGY CAROLINAS, LLC TERRELL, NORTH CAROLINA P:\Duke Energy Carolinas\18. MARSHALL\CSA Update January 2018\Final\Figures\Figure 14-1 - 14-38 Time v Conc.pdf Shallow (IMAC:1 µg/L, PBTV:1.2 µg/L) Deep (IMAC:1 µg/L, PBTV:1.9 µg/L) Bedrock (IMAC:1 µg/L, PBTV:2.8 µg/L) Notes: •Concentration scale may vary due to well specific concentration. Scales are equal where possible for ease of interpretation. •Dark orange = Estimated value due to pH/turbidity beyond acceptable limits. •Data presented may include lab-qualified results. Refer to analytical data table notes for qualifier definitions. Non-detect analytical results are plotted at the corresponding reporting limit. Source Downgradient -Distance +Shallow Deep Bedrock Ash Pore Water IMAC Provisional Background Threshold Value 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PREPARED BY: E. KINSEY CHECKED BY: T. PLATING PROJECT MANAGER: T. PLATING DATE: DECEMBER 2017 FIGURE 14-18 TIME VERSUS CONCENTRATION – DOWNGRADIENT COBALT MARSHALL STEAM STATION DUKE ENERGY CAROLINAS, LLC TERRELL, NORTH CAROLINA P:\Duke Energy Carolinas\18. MARSHALL\CSA Update January 2018\Final\Figures\Figure 14-1 - 14-38 Time v Conc.pdf Shallow (IMAC:1 µg/L, PBTV:1.2 µg/L) Deep (IMAC:1 µg/L, PBTV:1.9 µg/L) Bedrock (IMAC:1 µg/L, PBTV:2.8 µg/L) Notes: •Concentration scale may vary due to well specific concentration. Scales are equal where possible for ease of interpretation. •Dark orange = Estimated value due to pH/turbidity beyond acceptable limits. •Data presented may include lab-qualified results. Refer to analytical data table notes for qualifier definitions. Non-detect analytical results are plotted at the corresponding reporting limit. Source Downgradient -Distance +Shallow Deep Bedrock Ash Pore Water IMAC Provisional Background Threshold Value Information Not Available Information Not Available Information Not Available Information Not Available 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PREPARED BY: E. KINSEY CHECKED BY: T. PLATING PROJECT MANAGER: T. PLATING DATE: JANUARY 2018 FIGURE 14-19 TIME VERSUS CONCENTRATION – CENTRAL BASIN IRON MARSHALL STEAM STATION DUKE ENERGY CAROLINAS, LLC TERRELL, NORTH CAROLINA P:\Duke Energy Carolinas\18. MARSHALL\CSA Update January 2018\Final\Figures\Figure 14-1 - 14-38 Time v Conc.pdf Shallow (2L Std:300 µg/L, PBTV:744 µg/L) Deep (2L Std:300 µg/L, PBTV:272 µg/L) Bedrock (2L Std:300 µg/L, PBTV:792 µg/L) Notes: •Concentration scale may vary due to well specific concentration. Scales are equal where possible for ease of interpretation. •Dark orange = Estimated value due to pH/turbidity beyond acceptable limits. •Data presented may include lab-qualified results. Refer to analytical data table notes for qualifier definitions. Non-detect analytical results are plotted at the corresponding reporting limit. Source Downgradient -Distance +Shallow Deep Bedrock Ash Pore Water 2L Standard Provisional Background Threshold Value 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PREPARED BY: E. KINSEY CHECKED BY: T. PLATING PROJECT MANAGER: T. PLATING DATE: JANUARY 2018 FIGURE 14-20 TIME VERSUS CONCENTRATION – DOWNGRADIENT IRON MARSHALL STEAM STATION DUKE ENERGY CAROLINAS, LLC TERRELL, NORTH CAROLINA P:\Duke Energy Carolinas\18. MARSHALL\CSA Update January 2018\Final\Figures\Figure 14-1 - 14-38 Time v Conc.pdf Shallow (2L Std:300 µg/L, PBTV:744 µg/L) Deep (2L Std:300 µg/L, PBTV:272 µg/L) Bedrock (2L Std:300 µg/L, PBTV:792 µg/L) Notes: •Concentration scale may vary due to well specific concentration. Scales are equal where possible for ease of interpretation. •Dark orange = Estimated value due to pH/turbidity beyond acceptable limits. •Data presented may include lab-qualified results. Refer to analytical data table notes for qualifier definitions. Non-detect analytical results are plotted at the corresponding reporting limit. Source Downgradient -Distance +Shallow Deep Bedrock Ash Pore Water 2L Standard Provisional Background Threshold Value Information Not Available Information Not Available Information Not Available Information Not Available 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PREPARED BY: E. KINSEY CHECKED BY: T. PLATING PROJECT MANAGER: T. PLATING DATE: JANUARY 2018 FIGURE 14-21 TIME VERSUS CONCENTRATION – CENTRAL BASIN MANGANESE MARSHALL STEAM STATION DUKE ENERGY CAROLINAS, LLC TERRELL, NORTH CAROLINA P:\Duke Energy Carolinas\18. MARSHALL\CSA Update January 2018\Final\Figures\Figure 14-1 - 14-38 Time v Conc.pdf Shallow (2L Std:50 µg/L, PBTV:75.3 µg/L) Deep (2L Std:50 µg/L, PBTV:141 µg/L) Bedrock (2L Std:50 µg/L, PBTV:26.6 µg/L) Notes: •Concentration scale may vary due to well specific concentration. Scales are equal where possible for ease of interpretation. •Dark orange = Estimated value due to pH/turbidity beyond acceptable limits. •Data presented may include lab-qualified results. Refer to analytical data table notes for qualifier definitions. Non-detect analytical results are plotted at the corresponding reporting limit. Source Downgradient -Distance +Shallow Deep Bedrock Ash Pore Water 2L Standard Provisional Background Threshold Value 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PREPARED BY: E. KINSEY CHECKED BY: T. PLATING PROJECT MANAGER: T. PLATING DATE: JANUARY 2018 FIGURE 14-22 TIME VERSUS CONCENTRATION – DOWNGRADIENT MANGANESE MARSHALL STEAM STATION DUKE ENERGY CAROLINAS, LLC TERRELL, NORTH CAROLINA P:\Duke Energy Carolinas\18. MARSHALL\CSA Update January 2018\Final\Figures\Figure 14-1 - 14-38 Time v Conc.pdf Shallow (2L Std:50 µg/L, PBTV:75.3 µg/L) Deep (2L Std:50 µg/L, PBTV:141 µg/L) Bedrock (2L Std:50 µg/L, PBTV:26.6 µg/L) Notes: •Concentration scale may vary due to well specific concentration. Scales are equal where possible for ease of interpretation. •Dark orange = Estimated value due to pH/turbidity beyond acceptable limits. •Data presented may include lab-qualified results. Refer to analytical data table notes for qualifier definitions. Non-detect analytical results are plotted at the corresponding reporting limit. Source Downgradient -Distance +Shallow Deep Bedrock Ash Pore Water 2L Standard Provisional Background Threshold Value Information Not Available Information Not Available Information Not Available Information Not Available 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PREPARED BY: E. KINSEY CHECKED BY: T. PLATING PROJECT MANAGER: T. PLATING DATE: JANUARY 2018 FIGURE 14-23 TIME VERSUS CONCENTRATION – CENTRAL BASIN MOLYBDENUM MARSHALL STEAM STATION DUKE ENERGY CAROLINAS, LLC TERRELL, NORTH CAROLINA P:\Duke Energy Carolinas\18. MARSHALL\CSA Update January 2018\Final\Figures\Figure 14-1 - 14-38 Time v Conc.pdf Shallow (2L Std:NE, PBTV:0.5 µg/L) Deep (2L Std:NE, PBTV:3.2 µg/L) Bedrock (2L Std:NE, PBTV:3 µg/L) Notes: •Concentration scale may vary due to well specific concentration. Scales are equal where possible for ease of interpretation. •Dark orange = Estimated value due to pH/turbidity beyond acceptable limits. •Data presented may include lab-qualified results. Refer to analytical data table notes for qualifier definitions. Non-detect analytical results are plotted at the corresponding reporting limit. Source Downgradient -Distance +Shallow Deep Bedrock Ash Pore Water 2L Standard Provisional Background Threshold Value 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PREPARED BY: E. KINSEY CHECKED BY: T. PLATING PROJECT MANAGER: T. PLATING DATE: JANUARY 2018 FIGURE 14-24 TIME VERSUS CONCENTRATION – DOWNGRADIENT MOLYBDENUM MARSHALL STEAM STATION DUKE ENERGY CAROLINAS, LLC TERRELL, NORTH CAROLINA P:\Duke Energy Carolinas\18. MARSHALL\CSA Update January 2018\Final\Figures\Figure 14-1 - 14-38 Time v Conc.pdf Shallow (2L Std:NE, PBTV:0.5 µg/L) Deep (2L Std:NE, PBTV:3.2 µg/L) Bedrock (2L Std:NE, PBTV:3 µg/L) Notes: •Concentration scale may vary due to well specific concentration. Scales are equal where possible for ease of interpretation. •Dark orange = Estimated value due to pH/turbidity beyond acceptable limits. •Data presented may include lab-qualified results. Refer to analytical data table notes for qualifier definitions. Non-detect analytical results are plotted at the corresponding reporting limit. Source Downgradient -Distance +Shallow Deep Bedrock Ash Pore Water 2L Standard Provisional Background Threshold Value Information Not Available Information Not Available Information Not Available Information Not Available 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PREPARED BY: E. KINSEY CHECKED BY: T. PLATING PROJECT MANAGER: T. PLATING DATE: JANUARY 2018 FIGURE 14-25 TIME VERSUS CONCENTRATION – CENTRAL BASIN NICKEL MARSHALL STEAM STATION DUKE ENERGY CAROLINAS, LLC TERRELL, NORTH CAROLINA P:\Duke Energy Carolinas\18. MARSHALL\CSA Update January 2018\Final\Figures\Figure 14-1 - 14-38 Time v Conc.pdf Shallow (2L Std:100 µg/L, PBTV:9.9 µg/L) Deep (2L Std:100 µg/L, PBTV:7.5 µg/L) Bedrock (2L Std:100 µg/L, PBTV:7.2 µg/L) Notes: •Concentration scale may vary due to well specific concentration. Scales are equal where possible for ease of interpretation. •Dark orange = Estimated value due to pH/turbidity beyond acceptable limits. •Data presented may include lab-qualified results. Refer to analytical data table notes for qualifier definitions. Non-detect analytical results are plotted at the corresponding reporting limit. Source Downgradient -Distance +Shallow Deep Bedrock Ash Pore Water 2L Standard Provisional Background Threshold Value 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PREPARED BY: E. KINSEY CHECKED BY: T. PLATING PROJECT MANAGER: T. PLATING DATE: JANUARY 2018 FIGURE 14-26 TIME VERSUS CONCENTRATION – DOWNGRADIENT NICKEL MARSHALL STEAM STATION DUKE ENERGY CAROLINAS, LLC TERRELL, NORTH CAROLINA P:\Duke Energy Carolinas\18. MARSHALL\CSA Update January 2018\Final\Figures\Figure 14-1 - 14-38 Time v Conc.pdf Shallow (2L Std:100 µg/L, PBTV:9.9 µg/L) Deep (2L Std:100 µg/L, PBTV:7.5 µg/L) Bedrock (2L Std:100 µg/L, PBTV:7.2 µg/L) Notes: •Concentration scale may vary due to well specific concentration. Scales are equal where possible for ease of interpretation. •Dark orange = Estimated value due to pH/turbidity beyond acceptable limits. •Data presented may include lab-qualified results. Refer to analytical data table notes for qualifier definitions. Non-detect analytical results are plotted at the corresponding reporting limit. Source Downgradient -Distance +Shallow Deep Bedrock Ash Pore Water 2L Standard Provisional Background Threshold Value Information Not Available Information Not Available Information Not Available Information Not Available 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PREPARED BY: E. KINSEY CHECKED BY: T. PLATING PROJECT MANAGER: T. PLATING DATE: JANUARY 2018 FIGURE 14-27 TIME VERSUS CONCENTRATION – CENTRAL BASIN SELENIUM MARSHALL STEAM STATION DUKE ENERGY CAROLINAS, LLC TERRELL, NORTH CAROLINA P:\Duke Energy Carolinas\18. MARSHALL\CSA Update January 2018\Final\Figures\Figure 14-1 - 14-38 Time v Conc.pdf Shallow (2L Std:20 µg/L, PBTV:0.5 µg/L) Deep (2L Std:20 µg/L, PBTV:0.5 µg/L) Bedrock (2L Std:20 µg/L, PBTV:0.5 µg/L) Notes: •Concentration scale may vary due to well specific concentration. Scales are equal where possible for ease of interpretation. •Dark orange = Estimated value due to pH/turbidity beyond acceptable limits. •Data presented may include lab-qualified results. Refer to analytical data table notes for qualifier definitions. Non-detect analytical results are plotted at the corresponding reporting limit. Source Downgradient -Distance +Shallow Deep Bedrock Ash Pore Water 2L Standard Provisional Background Threshold Value 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PREPARED BY: E. KINSEY CHECKED BY: T. PLATING PROJECT MANAGER: T. PLATING DATE: JANUARY 2018 FIGURE 14-28 TIME VERSUS CONCENTRATION – DOWNGRADIENT SELENIUM MARSHALL STEAM STATION DUKE ENERGY CAROLINAS, LLC TERRELL, NORTH CAROLINA P:\Duke Energy Carolinas\18. MARSHALL\CSA Update January 2018\Final\Figures\Figure 14-1 - 14-38 Time v Conc.pdf Shallow (2L Std:20 µg/L, PBTV:0.5 µg/L) Deep (2L Std:20 µg/L, PBTV:0.5 µg/L) Bedrock (2L Std:20 µg/L, PBTV:0.5 µg/L) Notes: •Concentration scale may vary due to well specific concentration. Scales are equal where possible for ease of interpretation. •Dark orange = Estimated value due to pH/turbidity beyond acceptable limits. •Data presented may include lab-qualified results. Refer to analytical data table notes for qualifier definitions. Non-detect analytical results are plotted at the corresponding reporting limit. Source Downgradient -Distance +Shallow Deep Bedrock Ash Pore Water 2L Standard Provisional Background Threshold Value Information Not Available Information Not Available Information Not Available Information Not Available 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PREPARED BY: E. KINSEY CHECKED BY: T. PLATING PROJECT MANAGER: T. PLATING DATE: JANUARY 2018 FIGURE 14-29 TIME VERSUS CONCENTRATION – CENTRAL BASIN STRONTIUM MARSHALL STEAM STATION DUKE ENERGY CAROLINAS, LLC TERRELL, NORTH CAROLINA P:\Duke Energy Carolinas\18. MARSHALL\CSA Update January 2018\Final\Figures\Figure 14-1 - 14-38 Time v Conc.pdf Shallow (2L Std:NE, PBTV:303 µg/L) Deep (2L Std:NE, PBTV:665 µg/L) Bedrock (2L Std:NE, PBTV:253 µg/L) Notes: •Concentration scale may vary due to well specific concentration. Scales are equal where possible for ease of interpretation. •Dark orange = Estimated value due to pH/turbidity beyond acceptable limits. •Data presented may include lab-qualified results. Refer to analytical data table notes for qualifier definitions. Non-detect analytical results are plotted at the corresponding reporting limit. Source Downgradient -Distance +Shallow Deep Bedrock Ash Pore Water 2L Standard Provisional Background Threshold Value 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PREPARED BY: E. KINSEY CHECKED BY: T. PLATING PROJECT MANAGER: T. PLATING DATE: JANUARY 2018 FIGURE 14-30 TIME VERSUS CONCENTRATION – DOWNGRADIENT STRONTIUM MARSHALL STEAM STATION DUKE ENERGY CAROLINAS, LLC TERRELL, NORTH CAROLINA P:\Duke Energy Carolinas\18. MARSHALL\CSA Update January 2018\Final\Figures\Figure 14-1 - 14-38 Time v Conc.pdf Shallow (2L Std:NE, PBTV:303 µg/L) Deep (2L Std:NE, PBTV:665 µg/L) Bedrock (2L Std:NE, PBTV:253 µg/L) Notes: •Concentration scale may vary due to well specific concentration. Scales are equal where possible for ease of interpretation. •Dark orange = Estimated value due to pH/turbidity beyond acceptable limits. •Data presented may include lab-qualified results. Refer to analytical data table notes for qualifier definitions. Non-detect analytical results are plotted at the corresponding reporting limit. Source Downgradient -Distance +Shallow Deep Bedrock Ash Pore Water 2L Standard Provisional Background Threshold Value Information Not Available Information Not Available Information Not Available Information Not Available 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PREPARED BY: E. KINSEY CHECKED BY: T. PLATING PROJECT MANAGER: T. PLATING DATE: JANUARY 2018 FIGURE 14-31 TIME VERSUS CONCENTRATION – CENTRAL BASIN SULFATE MARSHALL STEAM STATION DUKE ENERGY CAROLINAS, LLC TERRELL, NORTH CAROLINA P:\Duke Energy Carolinas\18. MARSHALL\CSA Update January 2018\Final\Figures\Figure 14-1 - 14-38 Time v Conc.pdf Shallow (2L Std:250 mg/L, PBTV:4.2 mg/L) Deep (2L Std:250 mg/L, PBTV:17.7 mg/L) Bedrock (2L Std:250 mg/L, PBTV:18.4 mg/L) Notes: •Concentration scale may vary due to well specific concentration. Scales are equal where possible for ease of interpretation. •Dark orange = Estimated value due to pH/turbidity beyond acceptable limits. •Data presented may include lab-qualified results. Refer to analytical data table notes for qualifier definitions. Non-detect analytical results are plotted at the corresponding reporting limit. Source Downgradient -Distance +Shallow Deep Bedrock Ash Pore Water 2L Standard Provisional Background Threshold Value 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PREPARED BY: E. KINSEY CHECKED BY: T. PLATING PROJECT MANAGER: T. PLATING DATE: JANUARY 2018 FIGURE 14-32 TIME VERSUS CONCENTRATION – DOWNGRADIENT SULFATE MARSHALL STEAM STATION DUKE ENERGY CAROLINAS, LLC TERRELL, NORTH CAROLINA P:\Duke Energy Carolinas\18. MARSHALL\CSA Update January 2018\Final\Figures\Figure 14-1 - 14-38 Time v Conc.pdf Shallow (2L Std:250 mg/L, PBTV:4.2 mg/L) Deep (2L Std:250 mg/L, PBTV:17.7 mg/L) Bedrock (2L Std:250 mg/L, PBTV:18.4 mg/L) Notes: •Concentration scale may vary due to well specific concentration. Scales are equal where possible for ease of interpretation. •Dark orange = Estimated value due to pH/turbidity beyond acceptable limits. •Data presented may include lab-qualified results. Refer to analytical data table notes for qualifier definitions. Non-detect analytical results are plotted at the corresponding reporting limit. Source Downgradient -Distance +Shallow Deep Bedrock Ash Pore Water 2L Standard Provisional Background Threshold Value Information Not Available Information Not Available Information Not Available Information Not Available 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PREPARED BY: E. KINSEY CHECKED BY: T. PLATING PROJECT MANAGER: T. PLATING DATE: JANUARY 2018 FIGURE 14-33 TIME VERSUS CONCENTRATION – CENTRAL BASIN THALLIUM MARSHALL STEAM STATION DUKE ENERGY CAROLINAS, LLC TERRELL, NORTH CAROLINA P:\Duke Energy Carolinas\18. MARSHALL\CSA Update January 2018\Final\Figures\Figure 14-1 - 14-38 Time v Conc.pdf Shallow (IMAC:0.2 µg/L, PBTV:0.1 µg/L) Deep (IMAC:0.2 µg/L, PBTV:0.1 µg/L) Bedrock (IMAC:0.2 µg/L, PBTV:0.1 µg/L) Notes: •Concentration scale may vary due to well specific concentration. Scales are equal where possible for ease of interpretation. •Dark orange = Estimated value due to pH/turbidity beyond acceptable limits. •Data presented may include lab-qualified results. Refer to analytical data table notes for qualifier definitions. Non-detect analytical results are plotted at the corresponding reporting limit. Source Downgradient -Distance +Shallow Deep Bedrock Ash Pore Water IMAC Provisional Background Threshold Value 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PREPARED BY: E. KINSEY CHECKED BY: T. PLATING PROJECT MANAGER: T. PLATING DATE: JANUARY 2018 FIGURE 14-34 TIME VERSUS CONCENTRATION – DOWNGRADIENT THALLIUM MARSHALL STEAM STATION DUKE ENERGY CAROLINAS, LLC TERRELL, NORTH CAROLINA P:\Duke Energy Carolinas\18. MARSHALL\CSA Update January 2018\Final\Figures\Figure 14-1 - 14-38 Time v Conc.pdf Shallow (IMAC:0.2 µg/L, PBTV:0.1 µg/L) Deep (IMAC:0.2 µg/L, PBTV:0.1 µg/L) Bedrock (IMAC:0.2 µg/L, PBTV:0.1 µg/L) Notes: •Concentration scale may vary due to well specific concentration. Scales are equal where possible for ease of interpretation. •Dark orange = Estimated value due to pH/turbidity beyond acceptable limits. •Data presented may include lab-qualified results. Refer to analytical data table notes for qualifier definitions. Non-detect analytical results are plotted at the corresponding reporting limit. Source Downgradient -Distance +Shallow Deep Bedrock Ash Pore Water IMAC Provisional Background Threshold Value Information Not Available Information Not Available Information Not Available Information Not Available 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PREPARED BY: E. KINSEY CHECKED BY: T. PLATING PROJECT MANAGER: T. PLATING DATE: JANUARY 2018 FIGURE 14-35 TIME VERSUS CONCENTRATION – CENTRAL BASIN TOTAL DISSOLVED SOLIDS MARSHALL STEAM STATION DUKE ENERGY CAROLINAS, LLC TERRELL, NORTH CAROLINA P:\Duke Energy Carolinas\18. MARSHALL\CSA Update January 2018\Final\Figures\Figure 14-1 - 14-38 Time v Conc.pdf Shallow (2L Std:500 mg/L, PBTV:140 mg/L) Deep (2L Std:500 mg/L, PBTV:183 mg/L) Bedrock (2L Std:500 mg/L, PBTV:216 mg/L) Notes: •Concentration scale may vary due to well specific concentration. Scales are equal where possible for ease of interpretation. •Dark orange = Estimated value due to pH/turbidity beyond acceptable limits. •Data presented may include lab-qualified results. Refer to analytical data table notes for qualifier definitions. Non-detect analytical results are plotted at the corresponding reporting limit. Source Downgradient -Distance +Shallow Deep Bedrock Ash Pore Water 2L Standard Provisional Background Threshold Value 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PREPARED BY: E. KINSEY CHECKED BY: T. PLATING PROJECT MANAGER: T. PLATING DATE: JANUARY 2018 FIGURE 14-36 TIME VERSUS CONCENTRATION – DOWNGRADIENT TOTAL DISSOLVED SOLIDS MARSHALL STEAM STATION DUKE ENERGY CAROLINAS, LLC TERRELL, NORTH CAROLINA P:\Duke Energy Carolinas\18. MARSHALL\CSA Update January 2018\Final\Figures\Figure 14-1 - 14-38 Time v Conc.pdf Shallow (2L Std:500 mg/L, PBTV:140 mg/L) Deep (2L Std:500 mg/L, PBTV:183 mg/L) Bedrock (2L Std:500 mg/L, PBTV:216 mg/L) Notes: •Concentration scale may vary due to well specific concentration. Scales are equal where possible for ease of interpretation. •Dark orange = Estimated value due to pH/turbidity beyond acceptable limits. •Data presented may include lab-qualified results. Refer to analytical data table notes for qualifier definitions. Non-detect analytical results are plotted at the corresponding reporting limit. Source Downgradient -Distance +Shallow Deep Bedrock Ash Pore Water 2L Standard Provisional Background Threshold Value Information Not Available Information Not Available Information Not Available Information Not Available 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PREPARED BY: E. KINSEY CHECKED BY: T. PLATING PROJECT MANAGER: T. PLATING DATE: JANUARY 2018 FIGURE 14-37 TIME VERSUS CONCENTRATION – CENTRAL BASIN VANADIUM MARSHALL STEAM STATION DUKE ENERGY CAROLINAS, LLC TERRELL, NORTH CAROLINA P:\Duke Energy Carolinas\18. MARSHALL\CSA Update January 2018\Final\Figures\Figure 14-1 - 14-38 Time v Conc.pdf Shallow (IMAC:0.3 µg/L, PBTV:5.6 µg/L) Deep (IMAC:0.3 µg/L, PBTV:3.8 µg/L) Bedrock (IMAC:0.3 µg/L, PBTV:16 µg/L) Notes: •Concentration scale may vary due to well specific concentration. Scales are equal where possible for ease of interpretation. •Dark orange = Estimated value due to pH/turbidity beyond acceptable limits. •Data presented may include lab-qualified results. Refer to analytical data table notes for qualifier definitions. Non-detect analytical results are plotted at the corresponding reporting limit. Source Downgradient -Distance +Shallow Deep Bedrock Ash Pore Water IMAC Provisional Background Threshold Value 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PREPARED BY: E. KINSEY CHECKED BY: T. PLATING PROJECT MANAGER: T. PLATING DATE: JANUARY 2018 FIGURE 14-38 TIME VERSUS CONCENTRATION – DOWNGRADIENT VANADIUM MARSHALL STEAM STATION DUKE ENERGY CAROLINAS, LLC TERRELL, NORTH CAROLINA P:\Duke Energy Carolinas\18. MARSHALL\CSA Update January 2018\Final\Figures\Figure 14-1 - 14-38 Time v Conc.pdf Shallow (IMAC:0.3 µg/L, PBTV:5.6 µg/L) Deep (IMAC:0.3 µg/L, PBTV:3.8 µg/L) Bedrock (IMAC:0.3 µg/L, PBTV:16 µg/L) Notes: •Concentration scale may vary due to well specific concentration. Scales are equal where possible for ease of interpretation. •Dark orange = Estimated value due to pH/turbidity beyond acceptable limits. •Data presented may include lab-qualified results. Refer to analytical data table notes for qualifier definitions. Non-detect analytical results are plotted at the corresponding reporting limit. Source Downgradient -Distance +Shallow Deep Bedrock Ash Pore Water IMAC Provisional Background Threshold Value Information Not Available Information Not Available Information Not Available Information Not Available <<<<<<<<<<<<<<<<<&< &<&<&< &<&<&< &<&<&<&< &<&<&< &<&<&< &<&<&< &<&<&<&< &<&<&< &<&<&<&< &<&< &<&<&<&< &<&< &<&< &<&<&<&< &<&< &<&< &<&< &<&< &<&< &<&<&< &<&<&<&< &<&<&< &<&< &<&<&< &<&< &<&<&< &<&<&<&<&< &<&< &<&<&<&< &<&< &<&< &<&< &< &<&< &<&<&< &<&<&< &<&< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &<&< &< &<&< &<&< &<&< &<&< &<&< &<&< &<&< &<&< &<&<&< &< ASH BASIN LAKE NORMAN ASH BASIN FGDRESIDUELANDFILL PV STRUCTURALFILL INDUSTRIALLANDFILL #1 C&DLANDFILL ASH LANDFILL(PHASE II) ASHLANDFILL(PHASE I) ASBESTOSLANDFILL ACCESS ROADSTRUCTURAL FILL GWA-15S<0.5 AB-10S0.25 j GWA-11S<0.5 AB-1BR<0.5 AB-1D<0.5 AB-1S<0.5 AB-2D<0.5 AB-2S<0.5AB-3D0.2 j AB-3S0.41 j AB-4D<0.5 AB-4S0.29 j AB-4SL<5 AB-5BR<0.5 AB-5D0.16 j AB-5S0.13 j AB-6D<0.5 AB-6S0.34 j AB-7D0.36 j AB-8D<0.5 AB-8S0.11 j AB-9BR<0.5 AB-9D0.16 j AB-9S0.15 j AB-10BR<0.5 AB-10D<0.5 AB-10SL1.3 AB-11D<0.5 AB-11S<0.5 AB-12BR0.22 j AB-12D0.4 j AB-12S0.27 j AB-12SL<0.5 AB-13D<0.5 AB-13S19.2 AB-14D<0.5 AB-14S<0.5 AB-15BR<0.5 AB-15D<0.5 AB-15S0.12 j AB-15SL<0.5 AB-16D<0.5 AB-16S<0.5 AB-17D<0.5AB-17S<0.5 AB-18D0.1 j AB-18S<5 AB-21D<0.5 AB-21S<0.5 AL-1BR0.19 j AL-1D0.34 j AL-1S0.17 j AL-2BRLNA AL-2D0.26 j AL-2S0.2 j AL-3BR0.2 j AL-3D0.89 AL-3S21.6 AL-4BR0.1 j AL-4D0.16 j BG-1D<0.5 BG-1S<0.5 BG-2BR<0.5 BG-2S<0.5 BG-3BR0.42 j BG-3D<0.5 BG-3S0.11 j GWA-1BR0.12 j GWA-1D0.43 j GWA-1S0.14 jGWA-2DA0.2 j GWA-2S0.32 j GWA-3D<0.5 GWA-3S<0.5 GWA-4D<0.5 GWA-4S<0.5 GWA-5D<0.5 GWA-5S0.1 j GWA-6D<0.5 GWA-6S<0.5 GWA-7D0.25 j GWA-7S<0.5 GWA-8D<0.5 GWA-8S<0.5 GWA-9BR<0.5 GWA-10D<0.5 GWA-10S<0.5 GWA-11D<0.5 GWA-12BR<0.5 GWA-12D0.17 j GWA-12S0.1 j GWA-13DA2.3 GWA-13S<0.5 GWA-14D0.6 GWA-14S0.19 j MS-8<0.5 MS-90.18 j MS-10<0.5 MS-11<0.5 MS-12<0.5 MS-13<0.5 MS-14<0.5 MS-150.41 j MS-16<0.5 MW-4<1 MW-4D<1 MW-6D0.13 j MW-6S0.15 j MW-7D<0.5 MW-7S<0.5 MW-8D<0.5 MW-8S<0.5 MW-9D<0.5 MW-9S<0.5 MW-10D<1 MW-10S<1 MW-11D<1MW-11S<1 MW-12D<1 MW-12S<1 MW-13D<1 MW-13S<1 MW-14BR0.43 j MW-14D<1 MW-14S<1 OB-1 (AshBasin) 0.16 j AB-7S5.5 GWA-11BR2.7 AB-6BRA0.46 j AB-20D0.65 AB-20S30.9 AL-2BR0.67 BG-1BRA0.23 j MW-1<0.5 MW-2<0.5 MW-3<0.5 MW-5<0.5 MARSHALL RDBEATTY RDGREENWOOD RD S H E R R IL L S F O R D R D NOTES:ANTIMONY CONCENTRATION IS MEASURED IN μg/L AND THE IMAC STANDARD IS 1μg/L. GROUNDWATER CONCENTRATIONS REPORTED ARE FROM SEPTEMBER 2017SAMPLING EVENT. THE DETERMINATION OF CONCENTRATION TRENDS OVER TIME ARE GENERALIZEDBASED ON AVAILABLE DATA AND WERE NOT STATISTICALLY DETERMINED. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON SEPTEMBER 12,2017. AERIAL WAS COLLECTED ON OCTOBER 8, 2016. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83). FIGURE 14-39GROUNDWATER CONCENTRATION TREND ANALYSIS -ANTIMONY IN ALL FLOW LAYERSMARSHALL STEAM STATIONDUKE ENERGY CAROLINAS, LLCTERRELL, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: T. PLATINGCHECKED BY: B. WILKER DATE: 01/18/2018 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\M arshall\Mapdocs\CSA_Supplement_2\Marshall - Groundwater Concentration Trend Analysis.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET &<MONITORING W ELL &<BACKGROUND MON ITORING W ELL WATER SUPPLY W ELL ASH BASIN WASTE BOUNDARY LAN DFILL BOUNDARY STRU CTUR AL FILL BOUNDARY LAN DFILL COMPLIANCE BOUNDARY DUKE ENERGY CARO LINAS MARSHALL PLANTSITE BOUNDARY <STREAM (AMEC N RTR 2015) LEGEND INCREASING CON CENTRATION OVER TIME1 DECREASING CONCENTRATION OVER TIME1 STABLE CONCENTRATION OVER TIME1 UNKNOWN CONCENTRATION OVER TIME1 <<<<<<<<<<<<<<<<<") ") ") ") ") ") ") ") ") ") ") !( !( ASH BASIN LAKE NORMAN ASH BASIN FGDRESIDUELANDFILL PV STRUCTURALFILL INDUSTRIALLANDFILL #1 C&DLANDFILL ASH LANDFILL(PHASE II) ASHLANDFILL(PHASE I) ASBESTOSLANDFILL ACCESS ROADSTRUCTURAL FILL SW-10.3 j SW-20.43 J SW-3<0.5 SW-4<0.5 SW-5<0.5 SW-60.14 j SW-7<0.5 SW-8<0.5 SW-90.12 j SW-100.18 j SW-110.16 j S-1<1 S-2<1 MARSHALL RDBEATTY RDGREENWOOD RD S H E R R IL L S F O R D R D NOTES:ANTIMONY CONCENTRATION IS MEASURED IN μg/L AND THE IMAC STANDARD IS 1μg/L. GROUNDWATER CONCENTRATIONS REPORTED ARE FROM SEPTEMBER 2017SAMPLING EVENT. THE DETERMINATION OF CONCENTRATION TRENDS OVER TIME ARE GENERALIZEDBASED ON AVAILABLE DATA AND WERE NOT STATISTICALLY DETERMINED. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON SEPTEMBER 12,2017. AERIAL WAS COLLECTED ON OCTOBER 8, 2016. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83). FIGURE 14-40GROUNDWATER CONCENTRATION TREND ANALYSIS -ANTIMONY IN SURFACE WATERMARSHALL STEAM STATIONDUKE ENERGY CAROLINAS, LLCTERRELL, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: T. PLATINGCHECKED BY: B. WILKER DATE: 01/18/2018 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\M arshall\Mapdocs\CSA_Supplement_2\Marshall - Groundwater Concentration Trend Analysis_SurfaceWater.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET !(AOW SAMPLE LOCATION ")WATER SAMPLE LOCATION WATER SUPPLY W ELL ASH BASIN WASTE BOUNDARY LAN DFILL BOUNDARY STRU CTUR AL FILL BOUNDARY LAN DFILL COMPLIANCE BOUNDARY DUKE ENERGY CARO LINAS MARSHALL PLANTSITE BOUNDARY <STREAM (AMEC N RTR 2015) LEGEND INCREASING CON CENTRATION OVER TIME1 DECREASING CONCENTRATION OVER TIME1 STABLE CONCENTRATION OVER TIME1 UNKNOWN CONCENTRATION OVER TIME1 <<<<<<<<<<<<<<<<<&< &<&<&< &<&<&< &<&<&<&< &<&<&< &<&<&< &<&<&< &<&<&<&< &<&<&< &<&<&<&< &<&< &<&<&<&< &<&< &<&< &<&<&<&< &<&< &<&< &<&< &<&< &<&< &<&<&< &<&<&<&< &<&<&< &<&< &<&<&< &<&< &<&<&< &<&<&<&<&< &<&< &<&<&<&< &<&< &<&< &<&< &< &<&< &<&<&< &<&<&< &<&< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &<&< &< &<&< &<&< &<&< &<&< &<&< &<&< &<&< &<&< &<&<&< &< ASH BASIN LAKE NORMAN ASH BASIN FGDRESIDUELANDFILL PV STRUCTURALFILL INDUSTRIALLANDFILL #1 C&DLANDFILL ASH LANDFILL(PHASE II) ASHLANDFILL(PHASE I) ASBESTOSLANDFILL ACCESS ROADSTRUCTURAL FILL GWA-15S0.13 GWA-11BR0.16 GWA-11S0.15 AB-1BR0.21AB-1D0.057 j AB-1S3.1 AB-2D0.15 AB-2S0.23AB-3D0.12 B AB-3S0.52 AB-4D0.22 B AB-4S2.3 AB-5BR0.36 B AB-5D0.78 AB-5S2.9 AB-6D1.2 AB-7D0.98 AB-8D0.37 B AB-9BR0.7 AB-9D0.51 B AB-9S0.21 B AB-10BR0.5AB-10D0.7 AB-10SL1240 1g AB-11D0.17 B AB-11S0.32 B AB-12BR0.77 AB-12D4.4 AB-12S229 AB-13D0.46 B AB-14D0.15 AB-14S792 M6 AB-15BR0.11 AB-15D0.38 AB-16D1.7 AB-17D0.17 AB-18D0.51 B AB-20D0.18 AB-21D0.15 B AL-1BR0.093 j AL-1D0.11AL-1S1.6 AL-2BR0.28 AL-2BRLNA AL-2D0.3 AL-2S0.2 AL-3BR0.9 AL-3D0.33 AL-4BR0.1 AL-4D0.23 BG-1BRA0.43 BG-1D0.18 BG-1S0.045 j BG-2BR0.24 BG-2S0.17 BG-3BR0.41 BG-3D0.38 BG-3S0.26 GWA-1BR0.12 GWA-1D0.26 B GWA-1S0.12GWA-2DA0.57 B GWA-2S0.12 GWA-3D0.14 B GWA-3S0.067 j GWA-4D1.1 GWA-4S0.082 j GWA-5D0.099 j GWA-5S0.21 GWA-6D0.18 B GWA-6S0.096 j,B GWA-7D0.26 j,B GWA-7S0.42 B GWA-8D0.22 GWA-8S0.059 j GWA-9BR0.058 j GWA-10D0.069 j,B GWA-10S0.29 B GWA-11D0.066 j GWA-12BR0.39 B GWA-12D1.3 GWA-12S0.082 j,B GWA-13DA1.4 GWA-13S0.056 j GWA-14D0.83 GWA-14S0.13 B MS-80.12 B MS-90.17 B MS-100.053 j,B MS-110.051 j,B MS-120.042 j,B MS-130.12 B MS-140.2 B MS-150.12 B MS-160.11 B MW-10.085 j MW-20.086 j MW-30.053 j,B MW-4<1 MW-4D<1 MW-50.15 MW-6D0.075 j,B MW-6S0.76 MW-7D0.15 MW-7S3.3 MW-8D0.091 j MW-8S0.28 MW-9D0.12 B MW-9S0.11 B MW-10D<1 MW-10S<1 MW-11D<1 MW-11S<1 MW-12D<1 MW-12S<1 MW-13D<1MW-13S<1 MW-14BR0.17 MW-14D<1 MW-14S<1 OB-1 (AshBasin) 0.046 j AB-13S777 M6 AB-15SL973 AB-21S3640 AL-3S241 AB-7S20.7 AB-12SL1190 AB-10S443 M1 AB-4SL1210 AB-6BRA370 AB-6S3050 AB-8S85.6 AB-15S854 AB-16S15.1 AB-17S326 AB-18S2140 AB-20S53.7 MARSHALL RDBEATTY RDGREENWOOD RD S H E R R IL L S F O R D R D NOTES:ARSENIC CONCENTRATION IS MEASURED IN μg/L AND THE NCAC 02L STANDARD IS 10μg/L. GROUNDWATER CONCENTRATIONS REPORTED ARE FROM SEPTEMBER 2017SAMPLING EVENT. THE DETERMINATION OF CONCENTRATION TRENDS OVER TIME ARE GENERALIZEDBASED ON AVAILABLE DATA AND WERE NOT STATISTICALLY DETERMINED. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON SEPTEMBER 12,2017. AERIAL WAS COLLECTED ON OCTOBER 8, 2016. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83). FIGURE 14-41GROUNDWATER CONCENTRATION TREND ANALYSIS -ARSENIC IN ALL FLOW LAYERSMARSHALL STEAM STATIONDUKE ENERGY CAROLINAS, LLCTERRELL, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: T. PLATINGCHECKED BY: B. WILKER DATE: 01/18/2018 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\M arshall\Mapdocs\CSA_Supplement_2\Marshall - Groundwater Concentration Trend Analysis.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET &<MONITORING W ELL &<BACKGROUND MON ITORING W ELL WATER SUPPLY W ELL ASH BASIN WASTE BOUNDARY LAN DFILL BOUNDARY STRU CTUR AL FILL BOUNDARY LAN DFILL COMPLIANCE BOUNDARY DUKE ENERGY CARO LINAS MARSHALL PLANTSITE BOUNDARY <STREAM (AMEC N RTR 2015) LEGEND INCREASING CON CENTRATION OVER TIME1 DECREASING CONCENTRATION OVER TIME1 STABLE CONCENTRATION OVER TIME1 UNKNOWN CONCENTRATION OVER TIME1 <<<<<<<<<<<<<<<<<") ") ") ") ") ") ") ") ") ") ") !( !( ASH BASIN LAKE NORMAN ASH BASIN FGDRESIDUELANDFILL PV STRUCTURALFILL INDUSTRIALLANDFILL #1 C&DLANDFILL ASH LANDFILL(PHASE II) ASHLANDFILL(PHASE I) ASBESTOSLANDFILL ACCESS ROADSTRUCTURAL FILL SW-30.65 SW-42.8 SW-53.1 SW-60.54 SW-70.77 SW-80.11 SW-90.6 SW-102 SW-110.61 S-1<1 S-21.3 SW-13.8 SW-210.1 MARSHALL RDBEATTY RDGREENWOOD RD S H E R R IL L S F O R D R D NOTES:ARSENIC CONCENTRATION IS MEASURED IN μg/L AND THE NCAC 02L STANDARD IS 10μg/L. GROUNDWATER CONCENTRATIONS REPORTED ARE FROM SEPTEMBER 2017SAMPLING EVENT. THE DETERMINATION OF CONCENTRATION TRENDS OVER TIME ARE GENERALIZEDBASED ON AVAILABLE DATA AND WERE NOT STATISTICALLY DETERMINED. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON SEPTEMBER 12,2017. AERIAL WAS COLLECTED ON OCTOBER 8, 2016. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83). FIGURE 14-42GROUNDWATER CONCENTRATION TREND ANALYSIS -ARSENIC IN SURFACE WATERMARSHALL STEAM STATIONDUKE ENERGY CAROLINAS, LLCTERRELL, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: T. PLATINGCHECKED BY: B. WILKER DATE: 01/18/2018 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\M arshall\Mapdocs\CSA_Supplement_2\Marshall - Groundwater Concentration Trend Analysis_SurfaceWater.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET !(AOW SAMPLE LOCATION ")WATER SAMPLE LOCATION WATER SUPPLY W ELL ASH BASIN WASTE BOUNDARY LAN DFILL BOUNDARY STRU CTUR AL FILL BOUNDARY LAN DFILL COMPLIANCE BOUNDARY DUKE ENERGY CARO LINAS MARSHALL PLANTSITE BOUNDARY <STREAM (AMEC N RTR 2015) LEGEND INCREASING CON CENTRATION OVER TIME1 DECREASING CONCENTRATION OVER TIME1 STABLE CONCENTRATION OVER TIME1 UNKNOWN CONCENTRATION OVER TIME1 <<<<<<<<<<<<<<<<<&< &<&<&< &<&<&< &<&<&<&< &<&<&< &<&<&< &<&<&< &<&<&<&< &<&<&< &<&<&<&< &<&< &<&<&<&< &<&< &<&< &<&<&<&< &<&< &<&< &<&< &<&< &<&< &<&<&< &<&<&<&< &<&<&< &<&< &<&<&< &<&< &<&<&< &<&<&<&<&< &<&< &<&<&<&< &<&< &<&< &<&< &< &<&< &<&<&< &<&<&< &<&< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &<&< &< &<&< &<&< &<&< &<&< &<&< &<&< &<&< &<&< &<&<&< &< ASH BASIN LAKE NORMAN ASH BASIN FGDRESIDUELANDFILL PV STRUCTURALFILL INDUSTRIALLANDFILL #1 C&DLANDFILL ASH LANDFILL(PHASE II) ASHLANDFILL(PHASE I) ASBESTOSLANDFILL ACCESS ROADSTRUCTURAL FILL GWA-15S170 GWA-11BR43.8 AB-10S56.8 GWA-11S63.8 AB-1BR56 AB-1D413 AB-1S67 AB-2D25.8 AB-2S29AB-3D120 AB-3S20.1 AB-4D73 AB-4S97.9 AB-4SL80.2 AB-5S8.1 AB-6D79.3 AB-6S224 AB-7D146 AB-7S36.9 AB-8D50.8 AB-8S54.5 AB-9BR205 AB-9D263 AB-9S17.1 AB-10BR209AB-10D360 AB-10SL364 AB-11D15 AB-11S10.2 AB-12BR32.1 AB-12S223 AB-13D201 AB-13S285 AB-14D174 AB-14S35.5 AB-15BR99.3 AB-15D242 AB-15SL412 AB-16D168 AB-16S93.3 AB-17D21.7AB-17S40.6 AB-18D37 AB-18S339 AB-20D59 AB-21D165AB-21S45.2 AL-1BR316 AL-1D770 AL-2BR148 AL-2BRLNA AL-2D51.4 AL-2S44 AL-3BR90.6 AL-3D81.9 AL-3S27 AL-4D76.8 BG-1D116 BG-1S30.2 BG-2BR436 BG-2S336 BG-3BR56.9 BG-3D811 BG-3S580 GWA-1BR36.4 GWA-1D55.5 GWA-1S44.1GWA-2DA32.2 GWA-2S92.1 GWA-3D38.1 GWA-3S38.8 GWA-4D30 GWA-4S39.7 GWA-5D16.7 GWA-6D29.3 GWA-6S65.5 GWA-7D363 GWA-7S150 GWA-8D30.9 GWA-8S22.2 GWA-9BR16.3 GWA-10D78.8 GWA-10S50 GWA-11D121 GWA-12BR28.1 GWA-12D36.6 GWA-12S44 GWA-13DA8.3 GWA-13S91.6 GWA-14D25.9 GWA-14S44.7 MS-837.6 MS-941.8 MS-10140 MS-1172.3 MS-1286.6 MS-13101 MS-1446.3 MS-15126 MS-1694.6 MW-286.3 MW-3298 MW-451 MW-4D41 MW-546.6 MW-6D287 MW-6S54.1 MW-7D73.2 MW-7S84.9 MW-8D11.7 MW-8S139 MW-9D91.2 MW-9S272 MW-10D19 MW-10S44 MW-11D58MW-11S55 MW-12D18 MW-12S52 MW-13D49MW-13S42 MW-14BR31.6 MW-14D35 MW-14S29 OB-1 (AshBasin) 1010 AB-12SL1100 MW-1330 AB-5BR77.8 AB-5D138 AB-12D62.8 AB-15S411 AL-1S84.1 AL-4BR124 AB-6BRA84.6 AB-20S30.2 BG-1BRA345 GWA-5S23.4 MARSHALL RDBEATTY RDGREENWOOD RD S H E R R IL L S F O R D R D NOTES:BARIUM CONCENTRATION IS MEASURED IN μg/L AND THE NCAC 02L STANDARD IS 700μg/L. GROUNDWATER CONCENTRATIONS REPORTED ARE FROM SEPTEMBER 2017SAMPLING EVENT. THE DETERMINATION OF CONCENTRATION TRENDS OVER TIME ARE GENERALIZEDBASED ON AVAILABLE DATA AND WERE NOT STATISTICALLY DETERMINED. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON SEPTEMBER 12,2017. AERIAL WAS COLLECTED ON OCTOBER 8, 2016. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83). FIGURE 14-43GROUNDWATER CONCENTRATION TREND ANALYSIS -BARIUM IN ALL FLOW LAYERSMARSHALL STEAM STATIONDUKE ENERGY CAROLINAS, LLCTERRELL, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: T. PLATINGCHECKED BY: B. WILKER DATE: 01/18/2018 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\M arshall\Mapdocs\CSA_Supplement_2\Marshall - Groundwater Concentration Trend Analysis.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET &<MONITORING W ELL &<BACKGROUND MON ITORING W ELL WATER SUPPLY W ELL ASH BASIN WASTE BOUNDARY LAN DFILL BOUNDARY STRU CTUR AL FILL BOUNDARY LAN DFILL COMPLIANCE BOUNDARY DUKE ENERGY CARO LINAS MARSHALL PLANTSITE BOUNDARY <STREAM (AMEC N RTR 2015) LEGEND INCREASING CON CENTRATION OVER TIME1 DECREASING CONCENTRATION OVER TIME1 STABLE CONCENTRATION OVER TIME1 UNKNOWN CONCENTRATION OVER TIME1 <<<<<<<<<<<<<<<<<") ") ") ") ") ") ") ") ") ") ") !( !( ASH BASIN LAKE NORMAN ASH BASIN FGDRESIDUELANDFILL PV STRUCTURALFILL INDUSTRIALLANDFILL #1 C&DLANDFILL ASH LANDFILL(PHASE II) ASHLANDFILL(PHASE I) ASBESTOSLANDFILL ACCESS ROADSTRUCTURAL FILL SW-162 SW-278.2 SW-438.6 SW-546.5 SW-627.1 SW-742 SW-834.9 SW-926.7 SW-1037.2 SW-1117.3 S-187 S-2110 SW-394 MARSHALL RDBEATTY RDGREENWOOD RD S H E R R IL L S F O R D R D NOTES:BARIUM CONCENTRATION IS MEASURED IN μg/L AND THE NCAC 02L STANDARD IS 700μg/L. GROUNDWATER CONCENTRATIONS REPORTED ARE FROM SEPTEMBER 2017SAMPLING EVENT. THE DETERMINATION OF CONCENTRATION TRENDS OVER TIME ARE GENERALIZEDBASED ON AVAILABLE DATA AND WERE NOT STATISTICALLY DETERMINED. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON SEPTEMBER 12,2017. AERIAL WAS COLLECTED ON OCTOBER 8, 2016. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83). FIGURE 14-44GROUNDWATER CONCENTRATION TREND ANALYSIS -BARIUM IN SURFACE WATERMARSHALL STEAM STATIONDUKE ENERGY CAROLINAS, LLCTERRELL, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: T. PLATINGCHECKED BY: B. WILKER DATE: 01/18/2018 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\M arshall\Mapdocs\CSA_Supplement_2\Marshall - Groundwater Concentration Trend Analysis_SurfaceWater.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET !(AOW SAMPLE LOCATION ")WATER SAMPLE LOCATION WATER SUPPLY W ELL ASH BASIN WASTE BOUNDARY LAN DFILL BOUNDARY STRU CTUR AL FILL BOUNDARY LAN DFILL COMPLIANCE BOUNDARY DUKE ENERGY CARO LINAS MARSHALL PLANTSITE BOUNDARY <STREAM (AMEC N RTR 2015) LEGEND INCREASING CON CENTRATION OVER TIME1 DECREASING CONCENTRATION OVER TIME1 STABLE CONCENTRATION OVER TIME1 UNKNOWN CONCENTRATION OVER TIME1 <<<<<<<<<<<<<<<<<&< &<&<&< &<&<&< &<&<&<&< &<&<&< &<&<&< &<&<&< &<&<&<&< &<&<&< &<&<&<&< &<&< &<&<&<&< &<&< &<&< &<&<&<&< &<&< &<&< &<&< &<&< &<&< &<&<&< &<&<&<&< &<&<&< &<&< &<&<&< &<&< &<&<&< &<&<&<&<&< &<&< &<&<&<&< &<&< &<&< &<&< &< &<&< &<&<&< &<&<&< &<&< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &<&< &< &<&< &<&< &<&< &<&< &<&< &<&< &<&< &<&< &<&<&< &< ASH BASIN LAKE NORMAN ASH BASIN FGDRESIDUELANDFILL PV STRUCTURALFILL INDUSTRIALLANDFILL #1 C&DLANDFILL ASH LANDFILL(PHASE II) ASHLANDFILL(PHASE I) ASBESTOSLANDFILL ACCESS ROADSTRUCTURAL FILL GWA-15S0.15 GWA-11BR0.057 j AB-10S0.041 j GWA-11S0.19 AB-1BR0.039 j AB-1D<0.1 AB-1S1.7 AB-2D0.031 j AB-2S0.057 jAB-3D<0.1 AB-4D0.053 j AB-4S<0.1 AB-4SL<1 AB-5BR0.32 AB-5D0.1 AB-5S3.6 AB-6BRA<0.1 AB-6D0.58 AB-6S0.31 B AB-7D0.01 j AB-7S0.016 j AB-8D<0.1AB-8S0.12 AB-9BR<0.1 AB-9D0.035 j AB-9S0.025 j AB-10BR0.04 j AB-10D0.028 j AB-10SL0.035 j AB-11D<0.1 AB-11S<0.1 AB-12BR<0.1 AB-12D<0.1 AB-12S0.086 j AB-12SL0.018 j AB-13D<0.1 AB-13S<1 AB-14D0.046 j AB-14S0.064 j AB-15BR0.02 j AB-15D0.071 j AB-15S0.017 j AB-15SL0.024 j AB-16D<0.1 AB-16S0.031 j AB-17D<0.1 AB-17S0.1 AB-18D<0.1 AB-18S<1 AB-20D<0.1 AB-21D<0.1 AB-21S0.032 j AL-1BR0.01 j AL-1D0.024 j AL-1S5.3 AL-2BR<0.1 AL-2BRLNA AL-2D0.052 j AL-2S1.1 AL-3BR<0.1 AL-3D<0.1 AL-3S0.036 j AL-4BR0.039 j AL-4D0.043 j BG-1BRA<0.1 BG-1D<0.1 BG-1S0.034 j BG-2BR<0.1 BG-2S0.024 j BG-3BR<0.1 BG-3D0.013 j BG-3S0.018 j GWA-1BR0.019 j GWA-1D0.02 jGWA-2DA0.014 j GWA-2S0.25 GWA-3D0.012 j GWA-3S0.047 j GWA-4D<0.1 GWA-4S0.043 j GWA-5D0.049 j GWA-6D<0.1 GWA-6S0.1 GWA-7D<0.5 GWA-7S0.01 j GWA-8D<0.1 GWA-8S0.02 j GWA-9BR<0.1 GWA-10D<0.1 GWA-10S0.089 j GWA-11D0.042 j GWA-12BR0.011 j GWA-12D0.038 j GWA-12S0.076 j GWA-13DA<0.1 GWA-13S0.045 j GWA-14D0.063 jGWA-14S0.092 j MS-80.052 j MS-9<0.1 MS-100.13 MS-110.052 j MS-120.18 MS-130.25 MS-14<0.1 MS-15<0.1 MS-160.025 j MW-4<1 MW-4D<1 MW-6D0.029 j MW-7D0.025 j MW-7S1.3 MW-8D0.11 MW-8S<0.1 MW-9D0.064 j MW-9S<0.1 MW-10D<1 MW-10S<1 MW-11D<1MW-11S<1 MW-12D<1 MW-12S<1 MW-13D<1 MW-13S<1 MW-14BR<0.1 MW-14D<1 MW-14S<1 OB-1 (AshBasin) 0.16 GWA-1S0.71 MW-6S0.65 M1,R1 AB-3S1.8 AB-20S0.3 GWA-5S0.022 j MW-10.2 MW-20.15 MW-30.58 MW-50.3 MARSHALL RDBEATTY RDGREENWOOD RD S H E R R IL L S F O R D R D NOTES:BERYLLIUM CONCENTRATION IS MEASURED IN μg/L AND THE IMAC STANDARD IS 4μg/L. GROUNDWATER CONCENTRATIONS REPORTED ARE FROM SEPTEMBER 2017SAMPLING EVENT. THE DETERMINATION OF CONCENTRATION TRENDS OVER TIME ARE GENERALIZEDBASED ON AVAILABLE DATA AND WERE NOT STATISTICALLY DETERMINED. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON SEPTEMBER 12,2017. AERIAL WAS COLLECTED ON OCTOBER 8, 2016. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83). FIGURE 14-45GROUNDWATER CONCENTRATION TREND ANALYSIS -BERYLLIUM IN ALL FLOW LAYERSMARSHALL STEAM STATIONDUKE ENERGY CAROLINAS, LLCTERRELL, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: T. PLATINGCHECKED BY: B. WILKER DATE: 01/18/2018 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\M arshall\Mapdocs\CSA_Supplement_2\Marshall - Groundwater Concentration Trend Analysis.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET &<MONITORING W ELL &<BACKGROUND MON ITORING W ELL WATER SUPPLY W ELL ASH BASIN WASTE BOUNDARY LAN DFILL BOUNDARY STRU CTUR AL FILL BOUNDARY LAN DFILL COMPLIANCE BOUNDARY DUKE ENERGY CARO LINAS MARSHALL PLANTSITE BOUNDARY <STREAM (AMEC N RTR 2015) LEGEND INCREASING CON CENTRATION OVER TIME1 DECREASING CONCENTRATION OVER TIME1 STABLE CONCENTRATION OVER TIME1 UNKNOWN CONCENTRATION OVER TIME1 <<<<<<<<<<<<<<<<<") ") ") ") ") ") ") ") ") ") ") !( !( ASH BASIN LAKE NORMAN ASH BASIN FGDRESIDUELANDFILL PV STRUCTURALFILL INDUSTRIALLANDFILL #1 C&DLANDFILL ASH LANDFILL(PHASE II) ASHLANDFILL(PHASE I) ASBESTOSLANDFILL ACCESS ROADSTRUCTURAL FILL SW-10.088 j,B SW-20.057 J SW-30.01 j,B SW-41.9 SW-51.9 SW-60.016 j,B SW-70.027 j,B SW-80.027 j,B SW-90.026 j,B SW-100.046 j,B SW-11<0.1 S-1<1 S-2<1 MARSHALL RDBEATTY RDGREENWOOD RD S H E R R IL L S F O R D R D NOTES:BERYLLIUM CONCENTRATION IS MEASURED IN μg/L AND THE IMAC STANDARD IS 4μg/L. GROUNDWATER CONCENTRATIONS REPORTED ARE FROM SEPTEMBER 2017SAMPLING EVENT. THE DETERMINATION OF CONCENTRATION TRENDS OVER TIME ARE GENERALIZEDBASED ON AVAILABLE DATA AND WERE NOT STATISTICALLY DETERMINED. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON SEPTEMBER 12,2017. AERIAL WAS COLLECTED ON OCTOBER 8, 2016. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83). FIGURE 14-46GROUNDWATER CONCENTRATION TREND ANALYSIS -BERYLLIUM IN SURFACE WATERMARSHALL STEAM STATIONDUKE ENERGY CAROLINAS, LLCTERRELL, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: T. PLATINGCHECKED BY: B. WILKER DATE: 01/18/2018 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\M arshall\Mapdocs\CSA_Supplement_2\Marshall - Groundwater Concentration Trend Analysis_SurfaceWater.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET !(AOW SAMPLE LOCATION ")WATER SAMPLE LOCATION WATER SUPPLY W ELL ASH BASIN WASTE BOUNDARY LAN DFILL BOUNDARY STRU CTUR AL FILL BOUNDARY LAN DFILL COMPLIANCE BOUNDARY DUKE ENERGY CARO LINAS MARSHALL PLANTSITE BOUNDARY <STREAM (AMEC N RTR 2015) LEGEND INCREASING CON CENTRATION OVER TIME1 DECREASING CONCENTRATION OVER TIME1 STABLE CONCENTRATION OVER TIME1 UNKNOWN CONCENTRATION OVER TIME1 <<<<<<<<<<<<<<<<<&< &<&<&< &<&<&< &<&<&<&< &<&<&< &<&<&< &<&<&< &<&<&<&< &<&<&< &<&<&<&< &<&< &<&<&<&< &<&< &<&< &<&<&<&< &<&< &<&< &<&< &<&< &<&< &<&<&< &<&<&<&< &<&<&< &<&< &<&<&< &<&< &<&<&< &<&<&<&<&< &<&< &<&<&<&< &<&< &<&< &<&< &< &<&< &<&<&< &<&<&< &<&< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &<&< &< &<&< &<&< &<&< &<&< &<&< &<&< &<&< &<&< &<&<&< &< ASH BASIN LAKE NORMAN ASH BASIN FGDRESIDUELANDFILL PV STRUCTURALFILL INDUSTRIALLANDFILL #1 C&DLANDFILL ASH LANDFILL(PHASE II) ASHLANDFILL(PHASE I) ASBESTOSLANDFILL ACCESS ROADSTRUCTURAL FILL GWA-11BR31.7 j AB-10S25000 M6 GWA-11S2880 AB-1S5300 AB-2D366 AB-2S<50 AB-3D174 AB-4D363 AB-4S246 AB-5BR<50 AB-5D<50 AB-6BRA276 AB-6D6270 AB-7D44 j AB-8D<50 AB-9BR<50 AB-9D<50 AB-9S25.6 j AB-10BR283 AB-11D<50 AB-11S<50 AB-12BR<50 AB-12S75200 AB-12SL2860 AB-13D<50 AB-15BR<50 AB-15D47.1 j AB-16D<50 AB-17D<50 AB-18D<50 AB-20D39.2 j AB-21D<50 AL-1S4480 AL-2S9620 BG-1BRA<50 BG-1D<50 BG-1S33.8 j BG-2BR<50 BG-2S<50 BG-3BR<50 BG-3D<50 BG-3S<50 GWA-1BR<50 GWA-1D<50 GWA-1S<50GWA-2DA<50 GWA-2S<50 GWA-3D<50 GWA-3S<50 GWA-4D<50 GWA-4S<50 GWA-5D<50 GWA-5S<50 GWA-6D<50 GWA-6S<50 GWA-7D<50 GWA-7S<50 GWA-8D<50 GWA-8S<50 GWA-9BR<50 GWA-10D<50 GWA-10S<50 GWA-12BR<50 GWA-12D<50 GWA-12S<50 GWA-13DA<50 GWA-13S<50 GWA-14D<50GWA-14S<50 MS-8<50 MS-9<50 MS-10<50 MS-11<50 MS-12<50 MS-13<50 MS-14<50 MS-15<50 MS-16<50 MW-22880 MW-3<50 MW-4<50 MW-4D<50 MW-5<50 MW-8D239 MW-8S236 MW-9D455 MW-9S<50 MW-10D<50 MW-10S<50 MW-11D<50MW-11S<50 MW-12D<50 MW-12S<50 MW-13D<50MW-13S<50 MW-14BR53.7 MW-14D2140 MW-14S2340 GWA-15S1520 AB-1BR1250 AB-1D933 AB-5S2280 AB-10D1580 AB-14D314 AB-14S20500 AB-15SL1570 AB-16S115 AB-17S24200 AB-18S2300 AB-21S2920 AL-1BR446 AL-1D2340 AL-2BR2650 AL-2BRL1810 AL-2D9720 AL-3D4860 AL-4BR7120 AL-4D29500 GWA-11D1010 MW-6D124 MW-7D291 OB-1 (AshBasin) 1740 AB-12D1350 AB-13S788 AL-3BR775 MW-1212 MW-6S1360 AB-3S1160AB-4SL583 AB-6S5810 AB-7S9390 AB-8S1230 AB-10SL11400 AB-15S3890AB-20S48500 M6 AL-3S67400 MW-7S5130 MARSHALL RDBEATTY RDGREENWOOD RD S H E R R IL L S F O R D R D NOTES:BORON CONCENTRATION IS MEASURED IN μg/L AND THE NCAC 02L STANDARD IS 700μg/L. GROUNDWATER CONCENTRATIONS REPORTED ARE FROM SEPTEMBER 2017SAMPLING EVENT. THE DETERMINATION OF CONCENTRATION TRENDS OVER TIME ARE GENERALIZEDBASED ON AVAILABLE DATA AND WERE NOT STATISTICALLY DETERMINED. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON SEPTEMBER 12,2017. AERIAL WAS COLLECTED ON OCTOBER 8, 2016. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83). FIGURE 14-47GROUNDWATER CONCENTRATION TREND ANALYSIS -BORON IN ALL F LOW LAYERSMARSHALL STEAM STATIONDUKE ENERGY CAROLINAS, LLCTERRELL, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: T. PLATINGCHECKED BY: B. WILKER DATE: 01/18/2018 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\M arshall\Mapdocs\CSA_Supplement_2\Marshall - Groundwater Concentration Trend Analysis.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET &<MONITORING W ELL &<BACKGROUND MON ITORING W ELL WATER SUPPLY W ELL ASH BASIN WASTE BOUNDARY LAN DFILL BOUNDARY STRU CTUR AL FILL BOUNDARY LAN DFILL COMPLIANCE BOUNDARY DUKE ENERGY CARO LINAS MARSHALL PLANTSITE BOUNDARY <STREAM (AMEC N RTR 2015) LEGEND INCREASING CON CENTRATION OVER TIME1 DECREASING CONCENTRATION OVER TIME1 STABLE CONCENTRATION OVER TIME1 UNKNOWN CONCENTRATION OVER TIME1 <<<<<<<<<<<<<<<<<") ") ") ") ") ") ") ") ") ") ") !( !( ASH BASIN LAKE NORMAN ASH BASIN FGDRESIDUELANDFILL PV STRUCTURALFILL INDUSTRIALLANDFILL #1 C&DLANDFILL ASH LANDFILL(PHASE II) ASHLANDFILL(PHASE I) ASBESTOSLANDFILL ACCESS ROADSTRUCTURAL FILL SW-16500 SW-26700 SW-3118 SW-43160 SW-55030 SW-7<50 SW-8<50 SW-985.2 S-24780 SW-102560 SW-676.8 SW-1156 S-11080 MARSHALL RDBEATTY RDGREENWOOD RD S H E R R IL L S F O R D R D NOTES:BORON CONCENTRATION IS MEASURED IN μg/L AND THE NCAC 02L STANDARD IS 700μg/L. GROUNDWATER CONCENTRATIONS REPORTED ARE FROM SEPTEMBER 2017SAMPLING EVENT. THE DETERMINATION OF CONCENTRATION TRENDS OVER TIME ARE GENERALIZEDBASED ON AVAILABLE DATA AND WERE NOT STATISTICALLY DETERMINED. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON SEPTEMBER 12,2017. AERIAL WAS COLLECTED ON OCTOBER 8, 2016. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83). FIGURE 14-48GROUNDWATER CONCENTRATION TREND ANALYSIS -BORON IN SURFACE WATERMARSHALL STEAM STATIONDUKE ENERGY CAROLINAS, LLCTERRELL, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: T. PLATINGCHECKED BY: B. WILKER DATE: 01/18/2018 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\M arshall\Mapdocs\CSA_Supplement_2\Marshall - Groundwater Concentration Trend Analysis_SurfaceWater.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET !(AOW SAMPLE LOCATION ")WATER SAMPLE LOCATION WATER SUPPLY W ELL ASH BASIN WASTE BOUNDARY LAN DFILL BOUNDARY STRU CTUR AL FILL BOUNDARY LAN DFILL COMPLIANCE BOUNDARY DUKE ENERGY CARO LINAS MARSHALL PLANTSITE BOUNDARY <STREAM (AMEC N RTR 2015) LEGEND INCREASING CON CENTRATION OVER TIME1 DECREASING CONCENTRATION OVER TIME1 STABLE CONCENTRATION OVER TIME1 UNKNOWN CONCENTRATION OVER TIME1 <<<<<<<<<<<<<<<<<&< &<&<&< &<&<&< &<&<&<&< &<&<&< &<&<&< &<&<&< &<&<&<&< &<&<&< &<&<&<&< &<&< &<&<&<&< &<&< &<&< &<&<&<&< &<&< &<&< &<&< &<&< &<&< &<&<&< &<&<&<&< &<&<&< &<&< &<&<&< &<&< &<&<&< &<&<&<&<&< &<&< &<&<&<&< &<&< &<&< &<&< &< &<&< &<&<&< &<&<&< &<&< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &<&< &< &<&< &<&< &<&< &<&< &<&< &<&< &<&< &<&< &<&<&< &< ASH BASIN LAKE NORMAN ASH BASIN FGDRESIDUELANDFILL PV STRUCTURALFILL INDUSTRIALLANDFILL #1 C&DLANDFILL ASH LANDFILL(PHASE II) ASHLANDFILL(PHASE I) ASBESTOSLANDFILL ACCESS ROADSTRUCTURAL FILL GWA-15S0.33 GWA-11BR<0.08 AB-10S0.25 GWA-11S0.24 AB-1BR<0.08 AB-1D0.067 j AB-1S0.24 AB-2D<0.08 AB-2S<0.08AB-3D<0.08 AB-3S0.28 AB-4D<0.08 AB-4S0.075 j AB-4SL<0.8 AB-5BR0.063 j AB-5D0.17 AB-6BRA<0.08 AB-6D<0.08 AB-6S0.45 AB-7D<0.08 AB-7S0.51 AB-8D<0.08 AB-8S<0.08 AB-9BR<0.08 AB-9D<0.08 AB-9S<0.08 AB-10BR<0.08 AB-10D<0.08 AB-10SL0.087 AB-11D<0.08 AB-11S<0.08 AB-12BR0.063 j AB-12D<0.08 AB-12S<0.08 AB-12SL<0.08 AB-13D<0.08 AB-13S<0.8 AB-14D<0.08 AB-14S<0.08 AB-15BR<0.08 AB-15D<0.08 AB-15S<0.08 AB-15SL<0.08 AB-16D<0.08 AB-16S<0.08 AB-17D<0.08AB-17S<0.08 AB-18D<0.08 AB-18S<0.8 AB-20D<0.08 AB-21D<0.08AB-21S<0.08 AL-1BR<0.08 AL-1D<0.08 AL-1S0.3 AL-2BR<0.08 AL-2BRLNA AL-2D0.099 AL-2S0.79 AL-3BR<0.08 AL-3D<0.08 AL-4BR<0.08 AL-4D0.11 BG-1BRA<0.08 BG-1D0.053 j BG-1S<0.08 BG-2BR<0.08 BG-2S<0.08 BG-3BR<0.08 BG-3D<0.08 BG-3S<0.08 GWA-1BR<0.08 GWA-1D0.061 j GWA-1S<0.08GWA-2DA<0.08 GWA-2S<0.08 GWA-3D<0.08GWA-3S<0.08 GWA-4D<0.08 GWA-4S<0.08 GWA-5D<0.08 GWA-5S<0.08 GWA-6D<0.08 GWA-6S<0.08 GWA-7D<0.08 GWA-7S<0.08 GWA-8D<0.08 GWA-8S<0.08 GWA-9BR<0.08 GWA-10D<0.08 GWA-10S<0.08 GWA-11D<0.08 GWA-12BR<0.08 GWA-12D<0.08 GWA-12S0.062 j GWA-13DA<0.08 GWA-13S0.061 j GWA-14S<0.08 MS-8<0.08 MS-9<0.08 MS-10<0.08 MS-11<0.08 MS-12<0.08 MS-13<0.08 MS-14<0.08 MS-15<0.08 MS-16<0.08 MW-10.15 MW-20.1 MW-3<0.08 MW-4<1 MW-4D<1 MW-50.064 j MW-6D0.12 MW-7D<0.08 MW-7S0.18 MW-8D<0.08 MW-8S<0.08 MW-9D0.13 MW-9S0.061 j MW-10D<1 MW-10S<1 MW-11D<1MW-11S<1 MW-12D<1 MW-12S<1 MW-13D<1 MW-13S<1 MW-14BR<0.08 MW-14D<1 MW-14S<1 OB-1 (AshBasin) 0.23 AB-5S0.27 AL-3S3.1 MW-6S0.24 AB-20S7.6 GWA-14D0.18 MARSHALL RDBEATTY RDGREENWOOD RD S H E R R IL L S F O R D R D NOTES:CADMIUM CONCENTRATION IS MEASURED IN μg/L AND THE NCAC 02L STANDARD IS 2μg/L. GROUNDWATER CONCENTRATIONS REPORTED ARE FROM SEPTEMBER 2017SAMPLING EVENT. THE DETERMINATION OF CONCENTRATION TRENDS OVER TIME ARE GENERALIZEDBASED ON AVAILABLE DATA AND WERE NOT STATISTICALLY DETERMINED. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON SEPTEMBER 12,2017. AERIAL WAS COLLECTED ON OCTOBER 8, 2016. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83). FIGURE 14-49GROUNDWATER CONCENTRATION TREND ANALYSIS -CADMIUM IN ALL FLOW LAYERSMARSHALL STEAM STATIONDUKE ENERGY CAROLINAS, LLCTERRELL, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: T. PLATINGCHECKED BY: B. WILKER DATE: 01/18/2018 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\M arshall\Mapdocs\CSA_Supplement_2\Marshall - Groundwater Concentration Trend Analysis.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET &<MONITORING W ELL &<BACKGROUND MON ITORING W ELL WATER SUPPLY W ELL ASH BASIN WASTE BOUNDARY LAN DFILL BOUNDARY STRU CTUR AL FILL BOUNDARY LAN DFILL COMPLIANCE BOUNDARY DUKE ENERGY CARO LINAS MARSHALL PLANTSITE BOUNDARY <STREAM (AMEC N RTR 2015) LEGEND INCREASING CON CENTRATION OVER TIME1 DECREASING CONCENTRATION OVER TIME1 STABLE CONCENTRATION OVER TIME1 UNKNOWN CONCENTRATION OVER TIME1 <<<<<<<<<<<<<<<<<") ") ") ") ") ") ") ") ") ") ") !( !( ASH BASIN LAKE NORMAN ASH BASIN FGDRESIDUELANDFILL PV STRUCTURALFILL INDUSTRIALLANDFILL #1 C&DLANDFILL ASH LANDFILL(PHASE II) ASHLANDFILL(PHASE I) ASBESTOSLANDFILL ACCESS ROADSTRUCTURAL FILL SW-10.11 SW-2<0.08 SW-40.21 SW-50.18 SW-6<0.08 SW-7<0.08 SW-8<0.08 SW-9<0.08 SW-10<0.08 SW-11<0.08 S-1<1 S-2<1 SW-3<0.08 MARSHALL RDBEATTY RDGREENWOOD RD S H E R R IL L S F O R D R D NOTES:CADMIUM CONCENTRATION IS MEASURED IN μg/L AND THE NCAC 02L STANDARD IS 2μg/L. GROUNDWATER CONCENTRATIONS REPORTED ARE FROM SEPTEMBER 2017SAMPLING EVENT. THE DETERMINATION OF CONCENTRATION TRENDS OVER TIME ARE GENERALIZEDBASED ON AVAILABLE DATA AND WERE NOT STATISTICALLY DETERMINED. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON SEPTEMBER 12,2017. AERIAL WAS COLLECTED ON OCTOBER 8, 2016. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83). FIGURE 14-50GROUNDWATER CONCENTRATION TREND ANALYSIS -CADMIUM IN SURFACE WATERMARSHALL STEAM STATIONDUKE ENERGY CAROLINAS, LLCTERRELL, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: T. PLATINGCHECKED BY: B. WILKER DATE: 01/18/2018 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\M arshall\Mapdocs\CSA_Supplement_2\Marshall - Groundwater Concentration Trend Analysis_SurfaceWater.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET !(AOW SAMPLE LOCATION ")WATER SAMPLE LOCATION WATER SUPPLY W ELL ASH BASIN WASTE BOUNDARY LAN DFILL BOUNDARY STRU CTUR AL FILL BOUNDARY LAN DFILL COMPLIANCE BOUNDARY DUKE ENERGY CARO LINAS MARSHALL PLANTSITE BOUNDARY <STREAM (AMEC N RTR 2015) LEGEND INCREASING CON CENTRATION OVER TIME1 DECREASING CONCENTRATION OVER TIME1 STABLE CONCENTRATION OVER TIME1 UNKNOWN CONCENTRATION OVER TIME1 <<<<<<<<<<<<<<<<<&< &<&<&< &<&<&< &<&<&<&< &<&<&< &<&<&< &<&<&< &<&<&<&< &<&<&< &<&<&<&< &<&< &<&<&<&< &<&< &<&< &<&<&<&< &<&< &<&< &<&< &<&< &<&< &<&<&< &<&<&<&< &<&<&< &<&< &<&<&< &<&< &<&<&< &<&<&<&<&< &<&< &<&<&<&< &<&< &<&< &<&< &< &<&< &<&<&< &<&<&< &<&< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &<&< &< &<&< &<&< &<&< &<&< &<&< &<&< &<&< &<&< &<&<&< &< ASH BASIN LAKE NORMAN ASH BASIN FGDRESIDUELANDFILL PV STRUCTURALFILL INDUSTRIALLANDFILL #1 C&DLANDFILL ASH LANDFILL(PHASE II) ASHLANDFILL(PHASE I) ASBESTOSLANDFILL ACCESS ROADSTRUCTURAL FILL GWA-15S157 GWA-11BR3.6 AB-10S8.6 GWA-11S4.2 AB-1S248 AB-2D5.1 AB-2S3AB-3D4.6 AB-3S7 AB-4D8.4 AB-4S7.9 AB-4SL9 AB-5BR1.7 AB-5D2.6AB-5S39.1 AB-6D3.6 AB-6S3.5 AB-7D2.2 AB-7S4.5 AB-8D2.5 AB-8S4.9 M1 AB-9BR1.5 AB-9D1.9 AB-9S2.8 AB-10BR3.1AB-10D5.2 AB-10SL7.2 AB-11D1.8 AB-11S2 AB-12BR1.7 AB-12S2690 AB-13D1.9 AB-13S0.9 j AB-14D1.8 AB-14S7.7 AB-15BR2.1 AB-15D2.7 AB-15SL3.8 AB-16D3.1 AB-16S2.1 AB-17D1.2 AB-17S14.7 AB-18D1.8 AB-18S8.2 AB-20D1.9 AB-21D8.6 AL-1BR158AL-1D282 AL-1S231 AL-2BR1.1 AL-2BRLNA AL-2D2.6 AL-2S1.6 AL-3BR2.3 AL-3D3 AL-3S24 AL-4BR1.6 AL-4D3.2 BG-1D3.3 BG-1S5 BG-2BR2.3 BG-2S2.1 BG-3BR2.8 BG-3D2.9 BG-3S2.6 M1 GWA-1BR3.3 GWA-1D2.3 GWA-1S3GWA-2DA3.2 GWA-2S1.3 GWA-3D2.2GWA-3S2.3 GWA-4D3.5 GWA-4S3.9 GWA-5D1.4 GWA-5S1.2 GWA-6D3.3 GWA-6S3.3 GWA-7D2.7 GWA-7S5.1 GWA-8D2.8 GWA-8S4.5 GWA-9BR4.2 GWA-10D1.4 GWA-10S1.7 GWA-11D4.3 GWA-12BR1.5 GWA-12D2.7 GWA-12S2.2 GWA-13DA2.7 GWA-13S1.6 GWA-14D2.1GWA-14S1.2 MS-81.1 MS-90.98 j MS-101.1 MS-112.8 MS-123.4 MS-132.9 MS-140.86 j MS-152.1 MS-161.4 MW-24.6 MW-310.1 MW-42 MW-4D1.5 MW-52.4 MW-7S201 MW-8D8.3 M1 MW-8S2.4 MW-9D6.6 MW-10D1.5 MW-10S1 MW-11D2.1 MW-11S2.9 MW-12D1.1 MW-12S1.2 MW-13D4.6 MW-13S4.3 AB-1BR220 AB-1D234 AB-12SL132 AB-15S41 AB-21S434 MW-1139 MW-6D122 MW-7D106 MW-9S14.7 MW-14BR39.6 MW-14D58 MW-14S140AB-12D182 MW-6S52.4 AB-6BRA9.4 AB-20S67 BG-1BRA3.6 OB-1 (AshBasin) 238 MARSHALL RDBEATTY RDGREENWOOD RD S H E R R IL L S F O R D R D NOTES:CHLORIDE CONCENTRATION IS MEASURED IN mg/L AND THE NCAC 02L STANDARD IS250 mg/L. GROUNDWATER CONCENTRATIONS REPORTED ARE FROM SEPTEMBER 2017SAMPLING EVENT. THE DETERMINATION OF CONCENTRATION TRENDS OVER TIME ARE GENERALIZEDBASED ON AVAILABLE DATA AND WERE NOT STATISTICALLY DETERMINED. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON SEPTEMBER 12,2017. AERIAL WAS COLLECTED ON OCTOBER 8, 2016. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83). FIGURE 14-51GROUNDWATER CONCENTRATION TREND ANALYSIS -CHLORIDE IN ALL FLOW LAYERSMARSHALL STEAM STATIONDUKE ENERGY CAROLINAS, LLCTERRELL, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: T. PLATINGCHECKED BY: B. WILKER DATE: 01/18/2018 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\M arshall\Mapdocs\CSA_Supplement_2\Marshall - Groundwater Concentration Trend Analysis.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET &<MONITORING W ELL &<BACKGROUND MON ITORING W ELL WATER SUPPLY W ELL ASH BASIN WASTE BOUNDARY LAN DFILL BOUNDARY STRU CTUR AL FILL BOUNDARY LAN DFILL COMPLIANCE BOUNDARY DUKE ENERGY CARO LINAS MARSHALL PLANTSITE BOUNDARY <STREAM (AMEC N RTR 2015) LEGEND INCREASING CON CENTRATION OVER TIME1 DECREASING CONCENTRATION OVER TIME1 STABLE CONCENTRATION OVER TIME1 UNKNOWN CONCENTRATION OVER TIME1 <<<<<<<<<<<<<<<<<") ") ") ") ") ") ") ") ") ") ") !( !( ASH BASIN LAKE NORMAN ASH BASIN FGDRESIDUELANDFILL PV STRUCTURALFILL INDUSTRIALLANDFILL #1 C&DLANDFILL ASH LANDFILL(PHASE II) ASHLANDFILL(PHASE I) ASBESTOSLANDFILL ACCESS ROADSTRUCTURAL FILL SW-1215 SW-2196 SW-36.9 SW-442 SW-554.9 SW-68.6 SW-72.4 SW-82.2 SW-98.5 SW-116.3 S-14.3 S-2220 SW-1095.8 MARSHALL RDBEATTY RDGREENWOOD RD S H E R R IL L S F O R D R D NOTES:CHLORIDE CONCENTRATION IS MEASURED IN mg/L AND THE NCAC 02L STANDARD IS250 mg/L. GROUNDWATER CONCENTRATIONS REPORTED ARE FROM SEPTEMBER 2017SAMPLING EVENT. THE DETERMINATION OF CONCENTRATION TRENDS OVER TIME ARE GENERALIZEDBASED ON AVAILABLE DATA AND WERE NOT STATISTICALLY DETERMINED. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON SEPTEMBER 12,2017. AERIAL WAS COLLECTED ON OCTOBER 8, 2016. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83). FIGURE 14-52GROUNDWATER CONCENTRATION TREND ANALYSIS -CHLORIDE IN SURFACE WATERMARSHALL STEAM STATIONDUKE ENERGY CAROLINAS, LLCTERRELL, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: T. PLATINGCHECKED BY: B. WILKER DATE: 01/18/2018 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\M arshall\Mapdocs\CSA_Supplement_2\Marshall - Groundwater Concentration Trend Analysis_SurfaceWater.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET !(AOW SAMPLE LOCATION ")WATER SAMPLE LOCATION WATER SUPPLY W ELL ASH BASIN WASTE BOUNDARY LAN DFILL BOUNDARY STRU CTUR AL FILL BOUNDARY LAN DFILL COMPLIANCE BOUNDARY DUKE ENERGY CARO LINAS MARSHALL PLANTSITE BOUNDARY <STREAM (AMEC N RTR 2015) LEGEND INCREASING CON CENTRATION OVER TIME1 DECREASING CONCENTRATION OVER TIME1 STABLE CONCENTRATION OVER TIME1 UNKNOWN CONCENTRATION OVER TIME1 <<<<<<<<<<<<<<<<<&< &<&<&< &<&<&< &<&<&<&< &<&<&< &<&<&< &<&<&< &<&<&<&< &<&<&< &<&<&<&< &<&< &<&<&<&< &<&< &<&< &<&<&<&< &<&< &<&< &<&< &<&< &<&< &<&<&< &<&<&<&< &<&<&< &<&< &<&<&< &<&< &<&<&< &<&<&<&<&< &<&< &<&<&<&< &<&< &<&< &<&< &< &<&< &<&<&< &<&<&< &<&< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &<&< &< &<&< &<&< &<&< &<&< &<&< &<&< &<&< &<&< &<&<&< &< ASH BASIN LAKE NORMAN ASH BASIN FGDRESIDUELANDFILL PV STRUCTURALFILL INDUSTRIALLANDFILL #1 C&DLANDFILL ASH LANDFILL(PHASE II) ASHLANDFILL(PHASE I) ASBESTOSLANDFILL ACCESS ROADSTRUCTURAL FILL GWA-15S1.5 GWA-11BR0.95 AB-10S0.27 j GWA-11S2.3 AB-1BR0.74 BAB-1D0.71 B AB-2D0.6 AB-2S0.14 j AB-3D<0.5 AB-3S0.22 j AB-4D<0.5 AB-4S<0.5 AB-5BR<0.5 AB-5D<0.5 AB-6BRA0.43 j AB-6D0.65 AB-6S0.74 AB-7D0.63 AB-8D<0.5 AB-9BR<0.5 AB-9D<0.5 AB-9S2.7 AB-10BR0.16 j AB-10D0.3 j AB-10SL0.21 j AB-11D<0.5 AB-11S<0.5 AB-12BR<0.5 AB-12SL<0.5 AB-13D0.96 AB-13S<5 AB-14D2.3 AB-14S0.42 j AB-15BR0.12 j AB-15D0.21 j AB-15SL0.26 j AB-16D0.32 j AB-17D1.2 AB-17S0.62 AB-18D<0.5 AB-18S2.2 j AB-20D0.47 j AB-21D<0.5AB-21S2 AL-1BR2.6 AL-1D1.6 AL-2BR3.4 AL-2BRLNA AL-2S6.4 AL-3D3.5 AL-3S1.2 AL-4BR4.6 AL-4D2 BG-1D2.1 BG-1S<0.5 BG-2BR7.9 BG-2S5.9 BG-3D6 GWA-1BR3.4 GWA-1D0.75 GWA-1S2.5GWA-2DA0.84 GWA-2S2.5 GWA-3D0.53 GWA-3S0.47 j GWA-4D0.15 j GWA-4S1.4 GWA-5D0.59 GWA-6D0.6 GWA-6S0.58 GWA-7D4.9 GWA-7S2.6 GWA-8D0.63 B GWA-9BR0.9 GWA-10D0.1 j GWA-10S2 GWA-11D2.8 GWA-12BR<0.5 GWA-12D<0.5 GWA-12S0.28 j GWA-13DA1.4 GWA-13S1.2 GWA-14D1.3GWA-14S1.2 MS-84.8 MS-92 MS-100.75 MS-112.4 MS-122 MS-130.3 j MS-140.99 MS-1516.5 MS-163.4 MW-14.6 MW-20.19 j MW-31.4 MW-4<5 MW-4D<5 MW-50.56 MW-6D0.36 j MW-7D<0.5 MW-8D0.16 j MW-8S0.34 j MW-9D<0.5 MW-9S<0.5 MW-10D<5 MW-10S<5 MW-11D9MW-11S6 MW-12D<5 MW-12S<5 MW-13D<5 MW-13S<5 MW-14BR0.39 j MW-14D<5 AB-12D8.8 AB-1S0.52 B AB-4SL<5 AB-5S5.6 AB-7S13.8 AB-8S<0.5 AB-12S0.18 j AB-15S1.5 AB-16S0.71 AB-20S2.9 AL-1S4.3 AL-2D5.8 AL-3BR4.4 BG-1BRA1.8 BG-3BR24.2 BG-3S18.6GWA-5S1.5 GWA-8S1 MW-6S1.6 MW-7S52.1 MW-14S<5 OB-1 (AshBasin) 7.7 MARSHALL RDBEATTY RDGREENWOOD RD S H E R R IL L S F O R D R D NOTES:CHROMIUM (TOTAL) CONCENTRATION IS MEASURED IN μg/L AND THE NCAC 02LSTANDARD IS 10 μg/L. GROUNDWATER CONCENTRATIONS REPORTED ARE FROM SEPTEMBER 2017SAMPLING EVENT. THE DETERMINATION OF CONCENTRATION TRENDS OVER TIME ARE GENERALIZEDBASED ON AVAILABLE DATA AND WERE NOT STATISTICALLY DETERMINED. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON SEPTEMBER 12,2017. AERIAL WAS COLLECTED ON OCTOBER 8, 2016. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83). FIGURE 14-53GROUNDWATER CONCENTRATION TREND ANALYSIS -CHROMIUM (TOTAL) IN ALL FLOW LAYERSMARSHALL STEAM STATIONDUKE ENERGY CAROLINAS, LLCTERRELL, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: T. PLATINGCHECKED BY: B. WILKER DATE: 01/18/2018 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\M arshall\Mapdocs\CSA_Supplement_2\Marshall - Groundwater Concentration Trend Analysis.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET &<MONITORING W ELL &<BACKGROUND MON ITORING W ELL WATER SUPPLY W ELL ASH BASIN WASTE BOUNDARY LAN DFILL BOUNDARY STRU CTUR AL FILL BOUNDARY LAN DFILL COMPLIANCE BOUNDARY DUKE ENERGY CARO LINAS MARSHALL PLANTSITE BOUNDARY <STREAM (AMEC N RTR 2015) LEGEND INCREASING CON CENTRATION OVER TIME1 DECREASING CONCENTRATION OVER TIME1 STABLE CONCENTRATION OVER TIME1 UNKNOWN CONCENTRATION OVER TIME1 <<<<<<<<<<<<<<<<<") ") ") ") ") ") ") ") ") ") ") !( !( ASH BASIN LAKE NORMAN ASH BASIN FGDRESIDUELANDFILL PV STRUCTURALFILL INDUSTRIALLANDFILL #1 C&DLANDFILL ASH LANDFILL(PHASE II) ASHLANDFILL(PHASE I) ASBESTOSLANDFILL ACCESS ROADSTRUCTURAL FILL SW-10.29 j SW-20.44 J SW-30.17 j SW-42.6 SW-52.6 SW-60.41 j SW-70.37 j SW-80.77 SW-90.24 j SW-100.2 j SW-110.3 j S-11.42 S-23.15 MARSHALL RDBEATTY RDGREENWOOD RD S H E R R IL L S F O R D R D NOTES:CHROMIUM (TOTAL) CONCENTRATION IS MEASURED IN μg/L AND THE NCAC 02LSTANDARD IS 10 μg/L. GROUNDWATER CONCENTRATIONS REPORTED ARE FROM SEPTEMBER 2017SAMPLING EVENT. THE DETERMINATION OF CONCENTRATION TRENDS OVER TIME ARE GENERALIZEDBASED ON AVAILABLE DATA AND WERE NOT STATISTICALLY DETERMINED. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON SEPTEMBER 12,2017. AERIAL WAS COLLECTED ON OCTOBER 8, 2016. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83). FIGURE 14-54GROUNDWATER CONCENTRATION TREND ANALYSIS -CHROMIUM (TOTAL) IN SURFACE WATERMARSHALL STEAM STATIONDUKE ENERGY CAROLINAS, LLCTERRELL, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: T. PLATINGCHECKED BY: B. WILKER DATE: 01/18/2018 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\M arshall\Mapdocs\CSA_Supplement_2\Marshall - Groundwater Concentration Trend Analysis_SurfaceWater.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET !(AOW SAMPLE LOCATION ")WATER SAMPLE LOCATION WATER SUPPLY W ELL ASH BASIN WASTE BOUNDARY LAN DFILL BOUNDARY STRU CTUR AL FILL BOUNDARY LAN DFILL COMPLIANCE BOUNDARY DUKE ENERGY CARO LINAS MARSHALL PLANTSITE BOUNDARY <STREAM (AMEC N RTR 2015) LEGEND INCREASING CON CENTRATION OVER TIME1 DECREASING CONCENTRATION OVER TIME1 STABLE CONCENTRATION OVER TIME1 UNKNOWN CONCENTRATION OVER TIME1 <<<<<<<<<<<<<<<<<&< &<&<&< &<&<&< &<&<&<&< &<&<&< &<&<&< &<&<&< &<&<&<&< &<&<&< &<&<&<&< &<&< &<&<&<&< &<&< &<&< &<&<&<&< &<&< &<&< &<&< &<&< &<&< &<&<&< &<&<&<&< &<&<&< &<&< &<&<&< &<&< &<&<&< &<&<&<&<&< &<&< &<&<&<&< &<&< &<&< &<&< &< &<&< &<&<&< &<&<&< &<&< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &<&< &< &<&< &<&< &<&< &<&< &<&< &<&< &<&< &<&< &<&<&< &< ASH BASIN LAKE NORMAN ASH BASIN FGDRESIDUELANDFILL PV STRUCTURALFILL INDUSTRIALLANDFILL #1 C&DLANDFILL ASH LANDFILL(PHASE II) ASHLANDFILL(PHASE I) ASBESTOSLANDFILL ACCESS ROADSTRUCTURAL FILL GWA-11BR0.062 j AB-10S1.7 GWA-11S0.35 AB-1BR1.3 AB-1D7.9 AB-1S31 AB-2D0.52 AB-3D0.075 j AB-4D0.38 AB-4S0.47 AB-6D1.5 AB-7D0.23 AB-7S6.1 AB-8D0.15 AB-9BR0.16 AB-9D3.8 AB-9S1.6 AB-10BR0.1 AB-10SL2.2 AB-11D0.061 j AB-11S0.73 AB-12D0.1 AB-12S0.18 AB-13D2.1 AB-13S5.4 AB-14D0.059 j AB-15BR0.018 j AB-15S1.6 AB-15SL4.4 AB-16D0.43 AB-17D0.33AB-17S0.47 AB-18S0.2 j AB-20D0.066 j AB-21S2.3 AL-1D0.26 AL-3D0.63 AL-3S0.21 AL-4BR0.16 BG-1S<0.1 BG-2S0.089 j BG-3BR0.95 GWA-1BR0.98 GWA-1D0.54 GWA-1S1.1 GWA-2S0.2 GWA-3D0.88 GWA-3S0.018 j GWA-4D0.089 j GWA-4S0.14 GWA-5D<0.1 GWA-6S0.11 GWA-7D0.12 GWA-7S4.9 GWA-8D0.069 j GWA-8S0.057 j GWA-9BR0.019 j GWA-10D0.25 GWA-11D0.12 GWA-12BR1.5 GWA-12D0.25 GWA-13DA0.04 j GWA-14S1.3 MS-80.18 MS-100.52 MS-110.16 MS-121.2 MS-130.032 j MS-140.027 j MW-4D<1 MW-7D0.018 j MW-7S50.9 MW-8D0.35 MW-8S1.2 MW-9D1.2 MW-9S0.078 j MW-10D<1 MW-10S<1 MW-11D<1 MW-11S<1 MW-12D<1 MW-13D<1MW-13S<1 MW-14BR0.05 j MW-14D1.95 MW-14S4.86 AB-2S16.1 AB-5BR0.98 AB-5S36.4 AL-1S5.7 AL-2D4 BG-1BRA0.19 GWA-10S0.2 GWA-13S0.31 GWA-15S1.9 AB-3S16.8AB-4SL0.37 j AB-5D4 AB-6BRA0.024 j AB-6S0.61 AB-8S10.8 AB-10D9.6 AB-12BR0.049 j AB-12SL<0.1 AB-14S0.092 j AB-15D0.04 j AB-16S6 AB-18D0.15 AB-20S568 AB-21D1.3 AL-1BR0.057 j AL-2BR1.1 AL-2BRLNA AL-2S0.27 AL-3BR0.065 j AL-4D0.36 BG-1D0.6 BG-2BR0.31 BG-3D0.12 BG-3S0.72 GWA-2DA0.087 j GWA-5S0.21 GWA-6D0.26 GWA-12S0.66 GWA-14D0.34 MS-90.05 j MS-15<0.1 MS-160.12 MW-10.062 j MW-20.085 j MW-38.5 MW-4<1 MW-53.9 MW-6D0.13 MW-6S55.8 MW-12S<1 OB-1 (AshBasin) 0.095 j MARSHALL RDBEATTY RDGREENWOOD RD S H E R R IL L S F O R D R D NOTES:COBALT CONCENTRATION IS MEASURED IN μg/L AND THE IMAC STANDARD IS 1 μg/L. GROUNDWATER CONCENTRATIONS REPORTED ARE FROM SEPTEMBER 2017SAMPLING EVENT. THE DETERMINATION OF CONCENTRATION TRENDS OVER TIME ARE GENERALIZEDBASED ON AVAILABLE DATA AND WERE NOT STATISTICALLY DETERMINED. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON SEPTEMBER 12,2017. AERIAL WAS COLLECTED ON OCTOBER 8, 2016. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83). FIGURE 14-55GROUNDWATER CONCENTRATION TREND ANALYSIS -COBALT IN ALL FLOW LAYERSMARSHALL STEAM STATIONDUKE ENERGY CAROLINAS, LLCTERRELL, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: T. PLATINGCHECKED BY: B. WILKER DATE: 01/18/2018 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\M arshall\Mapdocs\CSA_Supplement_2\Marshall - Groundwater Concentration Trend Analysis.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET &<MONITORING W ELL &<BACKGROUND MON ITORING W ELL WATER SUPPLY W ELL ASH BASIN WASTE BOUNDARY LAN DFILL BOUNDARY STRU CTUR AL FILL BOUNDARY LAN DFILL COMPLIANCE BOUNDARY DUKE ENERGY CARO LINAS MARSHALL PLANTSITE BOUNDARY <STREAM (AMEC N RTR 2015) LEGEND INCREASING CON CENTRATION OVER TIME1 DECREASING CONCENTRATION OVER TIME1 STABLE CONCENTRATION OVER TIME1 UNKNOWN CONCENTRATION OVER TIME1 <<<<<<<<<<<<<<<<<") ") ") ") ") ") ") ") ") ") ") !( !( ASH BASIN LAKE NORMAN ASH BASIN FGDRESIDUELANDFILL PV STRUCTURALFILL INDUSTRIALLANDFILL #1 C&DLANDFILL ASH LANDFILL(PHASE II) ASHLANDFILL(PHASE I) ASBESTOSLANDFILL ACCESS ROADSTRUCTURAL FILL SW-13.1 SW-22.1 SW-416.9 SW-518.2 SW-60.4 SW-70.34 SW-81 SW-91 SW-101.5 SW-110.17 SW-30.85 S-1NA S-2NA MARSHALL RDBEATTY RDGREENWOOD RD S H E R R IL L S F O R D R D NOTES:COBALT CONCENTRATION IS MEASURED IN μg/L AND THE IMAC STANDARD IS 1 μg/L. GROUNDWATER CONCENTRATIONS REPORTED ARE FROM SEPTEMBER 2017SAMPLING EVENT. THE DETERMINATION OF CONCENTRATION TRENDS OVER TIME ARE GENERALIZEDBASED ON AVAILABLE DATA AND WERE NOT STATISTICALLY DETERMINED. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON SEPTEMBER 12,2017. AERIAL WAS COLLECTED ON OCTOBER 8, 2016. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83). FIGURE 14-56GROUNDWATER CONCENTRATION TREND ANALYSIS -COBALT IN SURFACE WATERMARSHALL STEAM STATIONDUKE ENERGY CAROLINAS, LLCTERRELL, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: T. PLATINGCHECKED BY: B. WILKER DATE: 01/18/2018 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\M arshall\Mapdocs\CSA_Supplement_2\Marshall - Groundwater Concentration Trend Analysis_SurfaceWater.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET !(AOW SAMPLE LOCATION ")WATER SAMPLE LOCATION WATER SUPPLY W ELL ASH BASIN WASTE BOUNDARY LAN DFILL BOUNDARY STRU CTUR AL FILL BOUNDARY LAN DFILL COMPLIANCE BOUNDARY DUKE ENERGY CARO LINAS MARSHALL PLANTSITE BOUNDARY <STREAM (AMEC N RTR 2015) LEGEND INCREASING CON CENTRATION OVER TIME1 DECREASING CONCENTRATION OVER TIME1 STABLE CONCENTRATION OVER TIME1 UNKNOWN CONCENTRATION OVER TIME1 <<<<<<<<<<<<<<<<<&< &<&<&< &<&<&< &<&<&<&< &<&<&< &<&<&< &<&<&< &<&<&<&< &<&<&< &<&<&<&< &<&< &<&<&<&< &<&< &<&< &<&<&<&< &<&< &<&< &<&< &<&< &<&< &<&<&< &<&<&<&< &<&<&< &<&< &<&<&< &<&< &<&<&< &<&<&<&<&< &<&< &<&<&<&< &<&< &<&< &<&< &< &<&< &<&<&< &<&<&< &<&< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &<&< &< &<&< &<&< &<&< &<&< &<&< &<&< &<&< &<&< &<&<&< &< ASH BASIN LAKE NORMAN ASH BASIN FGDRESIDUELANDFILL PV STRUCTURALFILL INDUSTRIALLANDFILL #1 C&DLANDFILL ASH LANDFILL(PHASE II) ASHLANDFILL(PHASE I) ASBESTOSLANDFILL ACCESS ROADSTRUCTURAL FILL GWA-11S496 AB-3D<50 AB-4D1740 AB-4S39.5 j AB-6D6070 AB-8D78.4 AB-9BR711 AB-9D1100 AB-10D3750 AB-10SL272 AB-11D55.1 AB-11S79.9 AB-12BR117 AB-12D129 AB-12S13500 AB-12SL8460 AB-13D891 AB-13S3930 AB-14D51 AB-14S47200 AB-15BR2130 AB-15D2490 AB-15S13200 AB-15SL12200 AB-16D2080 AB-17D49.4 j AB-17S136000 AB-18D53.1 AB-20D69.6 AB-21D1090AB-21S395000 AL-1BR50.8 AL-1D76.1 AL-2BR125 AL-2BRLNA AL-3S159 AL-4BR54.9 BG-1D<50 BG-1S383 BG-2S183 BG-3D59.8 GWA-2DA75.6 GWA-2S35.2 j GWA-3D135 GWA-3S53.9 GWA-4D44.1 j GWA-5D<50 GWA-6S305 GWA-7D38.5 j GWA-8D94.9 GWA-9BR30.4 j GWA-10S299 GWA-12S47.4 j GWA-13DA41.7 j GWA-14D144 MS-928.1 j MS-11160 MS-1326.5 j MS-14<50 MS-15<50 MW-266.6 MW-4100 MW-4D<10 MW-6D146 MW-6S133 MW-7D884 MW-7S169 MW-8D863 MW-9S<50 MW-10D31 MW-10S22 MW-11D79 MW-11S27 MW-12D44 MW-12S19 MW-13D<10 MW-13S363 MW-14BR69.8 MW-14D34 MW-14S389 AB-1BR6240 GWA-15S192 GWA-11BR74.8 AB-1D441 AB-5D762AB-5S272000 AB-8S19300 AB-9S131 AB-10BR311 AL-2S237 BG-1BRA41.2 j GWA-1S163 GWA-8S252 AB-10S9040 AB-1S2800 AB-2D162 AB-2S1480 AB-3S4750 AB-4SL70.2 AB-5BR202 AB-6BRA36.1 j AB-6S5900 AB-7D25.9 j AB-7S596 AB-16S55300 AB-18S4050 AB-20S235 AL-1S261 AL-2D394 AL-3BR50.1 AL-3D444 AL-4D144 BG-2BR198 BG-3BR382 BG-3S732 GWA-1BR52.5 GWA-1D630 GWA-4S517 GWA-5S216 GWA-6D<50 GWA-7S2600 GWA-10D592 GWA-11D98 GWA-12BR400 GWA-12D96.3 GWA-13S57.6 GWA-14S1190 MS-8486 MS-1041.7 j MS-12<50 MS-16282 MW-1<50 MW-390.4 MW-5276 MW-8S845 MW-9D<50 OB-1 (AshBasin) 34.6 j MARSHALL RDBEATTY RDGREENWOOD RD S H E R R IL L S F O R D R D NOTES:IRON CONCENTRATION IS MEASURED IN μg/L AND THE NCAC 02L STANDARD IS 300μg/L. GROUNDWATER CONCENTRATIONS REPORTED ARE FROM SEPTEMBER 2017SAMPLING EVENT. THE DETERMINATION OF CONCENTRATION TRENDS OVER TIME ARE GENERALIZEDBASED ON AVAILABLE DATA AND WERE NOT STATISTICALLY DETERMINED. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON SEPTEMBER 12,2017. AERIAL WAS COLLECTED ON OCTOBER 8, 2016. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83). FIGURE 14-57GROUNDWATER CONCENTRATION TREND ANALYSIS -IRON IN ALL FLOW LAYERSMARSHALL STEAM STATIONDUKE ENERGY CAROLINAS, LLCTERRELL, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: T. PLATINGCHECKED BY: B. WILKER DATE: 01/18/2018 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\M arshall\Mapdocs\CSA_Supplement_2\Marshall - Groundwater Concentration Trend Analysis.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET &<MONITORING W ELL &<BACKGROUND MON ITORING W ELL WATER SUPPLY W ELL ASH BASIN WASTE BOUNDARY LAN DFILL BOUNDARY STRU CTUR AL FILL BOUNDARY LAN DFILL COMPLIANCE BOUNDARY DUKE ENERGY CARO LINAS MARSHALL PLANTSITE BOUNDARY <STREAM (AMEC N RTR 2015) LEGEND INCREASING CON CENTRATION OVER TIME1 DECREASING CONCENTRATION OVER TIME1 STABLE CONCENTRATION OVER TIME1 UNKNOWN CONCENTRATION OVER TIME1 <<<<<<<<<<<<<<<<<") ") ") ") ") ") ") ") ") ") ") !( !( ASH BASIN LAKE NORMAN ASH BASIN FGDRESIDUELANDFILL PV STRUCTURALFILL INDUSTRIALLANDFILL #1 C&DLANDFILL ASH LANDFILL(PHASE II) ASHLANDFILL(PHASE I) ASBESTOSLANDFILL ACCESS ROADSTRUCTURAL FILL SW-1674 SW-2276 SW-3843 SW-416900 SW-520800 SW-71140 SW-81350 SW-9269 SW-10412 SW-11226 SW-6550 S-12760 S-212400 MARSHALL RDBEATTY RDGREENWOOD RD S H E R R IL L S F O R D R D NOTES:IRON CONCENTRATION IS MEASURED IN μg/L AND THE NCAC 02L STANDARD IS 300μg/L. GROUNDWATER CONCENTRATIONS REPORTED ARE FROM SEPTEMBER 2017SAMPLING EVENT. THE DETERMINATION OF CONCENTRATION TRENDS OVER TIME ARE GENERALIZEDBASED ON AVAILABLE DATA AND WERE NOT STATISTICALLY DETERMINED. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON SEPTEMBER 12,2017. AERIAL WAS COLLECTED ON OCTOBER 8, 2016. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83). FIGURE 14-58GROUNDWATER CONCENTRATION TREND ANALYSIS -IRON IN SURFACE WATERMARSHALL STEAM STATIONDUKE ENERGY CAROLINAS, LLCTERRELL, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: T. PLATINGCHECKED BY: B. WILKER DATE: 01/18/2018 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\M arshall\Mapdocs\CSA_Supplement_2\Marshall - Groundwater Concentration Trend Analysis_SurfaceWater.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET !(AOW SAMPLE LOCATION ")WATER SAMPLE LOCATION WATER SUPPLY W ELL ASH BASIN WASTE BOUNDARY LAN DFILL BOUNDARY STRU CTUR AL FILL BOUNDARY LAN DFILL COMPLIANCE BOUNDARY DUKE ENERGY CARO LINAS MARSHALL PLANTSITE BOUNDARY <STREAM (AMEC N RTR 2015) LEGEND INCREASING CON CENTRATION OVER TIME1 DECREASING CONCENTRATION OVER TIME1 STABLE CONCENTRATION OVER TIME1 UNKNOWN CONCENTRATION OVER TIME1 <<<<<<<<<<<<<<<<<&< &<&<&< &<&<&< &<&<&<&< &<&<&< &<&<&< &<&<&< &<&<&<&< &<&<&< &<&<&<&< &<&< &<&<&<&< &<&< &<&< &<&<&<&< &<&< &<&< &<&< &<&< &<&< &<&<&< &<&<&<&< &<&<&< &<&< &<&<&< &<&< &<&<&< &<&<&<&<&< &<&< &<&<&<&< &<&< &<&< &<&< &< &<&< &<&<&< &<&<&< &<&< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &<&< &< &<&< &<&< &<&< &<&< &<&< &<&< &<&< &<&< &<&<&< &< ASH BASIN LAKE NORMAN ASH BASIN FGDRESIDUELANDFILL PV STRUCTURALFILL INDUSTRIALLANDFILL #1 C&DLANDFILL ASH LANDFILL(PHASE II) ASHLANDFILL(PHASE I) ASBESTOSLANDFILL ACCESS ROADSTRUCTURAL FILL AB-10S1500 GWA-11S18.8 AB-1BR363 AB-2D38.6 AB-4D74.2 AB-4SL25.8 AB-5D541 AB-5S4060 AB-6D430 AB-6S1640 AB-7D23.9 AB-7S4220 AB-8D351AB-8S1160 AB-9BR95 AB-9D69.6 AB-10D3530 AB-10SL586 AB-11D3.4 j AB-11S68.8 AB-12BR31.9 AB-12D148 AB-12S5540 AB-12SL1180 AB-13D226 AB-13S257 AB-14D5.6 AB-15BR255 AB-15D244 AB-15S2570 AB-16D264 AB-17D10 AB-18D133 AB-20D7.2 AB-21D143 AL-1BR5 AL-1D25.5AL-1S2250 AL-2BRLNA AL-3D110 AL-3S101 AL-4BR4 j BG-1BRA26.6 BG-1D23.8 BG-1S21.5 BG-2BR8.3 BG-2S<5 BG-3BR12.7 BG-3D5.1 GWA-1BR5.6 GWA-1D63.7 GWA-1S53.3GWA-2DA6.4 GWA-3S2.9 j GWA-4D141 GWA-4S15.6 GWA-5D<5 GWA-6S16.6 GWA-7D3 j GWA-7S231 GWA-8D10.9 GWA-8S4.5 j GWA-9BR3.7 j GWA-12BR279 GWA-13DA2.7 j GWA-14D22 GWA-14S135 MS-86.4 MS-913 MS-1020.6 MS-1113.8 MS-1214.9 MS-139.6 MS-14<5 MS-15<5 MS-166.5 MW-122.2 MW-218.1 MW-352.9 MW-4<5 MW-4D<5 MW-6D6.4 MW-7D692 MW-7S4950 MW-8D114 MW-9D947 MW-10D<5MW-10S8 MW-11D<5 MW-11S<5 MW-12D<5 MW-12S<5 MW-13D<5MW-13S7 MW-14BR4.3 j MW-14D42 MW-14S32 OB-1 (AshBasin) 16.3 AB-21S12600 AL-2S137 GWA-11BR17.5 AB-1D19.6 AB-1S5410 AB-5BR112 AB-10BR29.8 AB-15SL1340 GWA-6D8.6 GWA-10S68.8 GWA-12S22.1 GWA-13S138 GWA-15S578 AB-2S917 AB-3D54.9 AB-3S950 AB-4S930 AB-6BRA64.4 AB-9S216 AB-14S3980 AB-16S1460 AB-17S23000 AB-18S859 AB-20S8280 M6 AL-2BR95.4 AL-2D468 AL-3BR8.3 AL-4D58.3 BG-3S11.7 GWA-2S45.7 GWA-3D186 GWA-5S16.1 GWA-10D19.2 GWA-11D35.1GWA-12D<5 MW-5167 MW-6S2700 MW-8S4780 MW-9S<5 MARSHALL RDBEATTY RDGREENWOOD RD S H E R R IL L S F O R D R D NOTES:MANGANESE CONCENTRATION IS MEASURED IN μg/L AND THE NCAC 02L STANDARDIS 50 μg/L. GROUNDWATER CONCENTRATIONS REPORTED ARE FROM SEPTEMBER 2017SAMPLING EVENT. THE DETERMINATION OF CONCENTRATION TRENDS OVER TIME ARE GENERALIZEDBASED ON AVAILABLE DATA AND WERE NOT STATISTICALLY DETERMINED. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON SEPTEMBER 12,2017. AERIAL WAS COLLECTED ON OCTOBER 8, 2016. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83). FIGURE 14-59GROUNDWATER CONCENTRATION TREND ANALYSIS -MANGANESE IN ALL FLOW LAYERSMARSHALL STEAM STATIONDUKE ENERGY CAROLINAS, LLCTERRELL, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: T. PLATINGCHECKED BY: B. WILKER DATE: 01/18/2018 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\M arshall\Mapdocs\CSA_Supplement_2\Marshall - Groundwater Concentration Trend Analysis.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET &<MONITORING W ELL &<BACKGROUND MON ITORING W ELL WATER SUPPLY W ELL ASH BASIN WASTE BOUNDARY LAN DFILL BOUNDARY STRU CTUR AL FILL BOUNDARY LAN DFILL COMPLIANCE BOUNDARY DUKE ENERGY CARO LINAS MARSHALL PLANTSITE BOUNDARY <STREAM (AMEC N RTR 2015) LEGEND INCREASING CON CENTRATION OVER TIME1 DECREASING CONCENTRATION OVER TIME1 STABLE CONCENTRATION OVER TIME1 UNKNOWN CONCENTRATION OVER TIME1 <<<<<<<<<<<<<<<<<") ") ") ") ") ") ") ") ") ") ") !( !( ASH BASIN LAKE NORMAN ASH BASIN FGDRESIDUELANDFILL PV STRUCTURALFILL INDUSTRIALLANDFILL #1 C&DLANDFILL ASH LANDFILL(PHASE II) ASHLANDFILL(PHASE I) ASBESTOSLANDFILL ACCESS ROADSTRUCTURAL FILL SW-11170 SW-2970 SW-42340 SW-52580 SW-6388 SW-755.3 SW-8101 SW-9400 SW-10717 SW-11329 S-29610 SW-3188 S-1450 MARSHALL RDBEATTY RDGREENWOOD RD S H E R R IL L S F O R D R D NOTES:MANGANESE CONCENTRATION IS MEASURED IN μg/L AND THE NCAC 02L STANDARDIS 50 μg/L. GROUNDWATER CONCENTRATIONS REPORTED ARE FROM SEPTEMBER 2017SAMPLING EVENT. THE DETERMINATION OF CONCENTRATION TRENDS OVER TIME ARE GENERALIZEDBASED ON AVAILABLE DATA AND WERE NOT STATISTICALLY DETERMINED. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON SEPTEMBER 12,2017. AERIAL WAS COLLECTED ON OCTOBER 8, 2016. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83). FIGURE 14-60GROUNDWATER CONCENTRATION TREND ANALYSIS -MANGANESE IN SURFACE WATERMARSHALL STEAM STATIONDUKE ENERGY CAROLINAS, LLCTERRELL, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: T. PLATINGCHECKED BY: B. WILKER DATE: 01/18/2018 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\M arshall\Mapdocs\CSA_Supplement_2\Marshall - Groundwater Concentration Trend Analysis_SurfaceWater.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET !(AOW SAMPLE LOCATION ")WATER SAMPLE LOCATION WATER SUPPLY W ELL ASH BASIN WASTE BOUNDARY LAN DFILL BOUNDARY STRU CTUR AL FILL BOUNDARY LAN DFILL COMPLIANCE BOUNDARY DUKE ENERGY CARO LINAS MARSHALL PLANTSITE BOUNDARY <STREAM (AMEC N RTR 2015) LEGEND INCREASING CON CENTRATION OVER TIME1 DECREASING CONCENTRATION OVER TIME1 STABLE CONCENTRATION OVER TIME1 UNKNOWN CONCENTRATION OVER TIME1 <<<<<<<<<<<<<<<<<&< &<&<&< &<&<&< &<&<&<&< &<&<&< &<&<&< &<&<&< &<&<&<&< &<&<&< &<&<&<&< &<&< &<&<&<&< &<&< &<&< &<&<&<&< &<&< &<&< &<&< &<&< &<&< &<&<&< &<&<&<&< &<&<&< &<&< &<&<&< &<&< &<&<&< &<&<&<&<&< &<&< &<&<&<&< &<&< &<&< &<&< &< &<&< &<&<&< &<&<&< &<&< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &<&< &< &<&< &<&< &<&< &<&< &<&< &<&< &<&< &<&< &<&<&< &< ASH BASIN LAKE NORMAN ASH BASIN FGDRESIDUELANDFILL PV STRUCTURALFILL INDUSTRIALLANDFILL #1 C&DLANDFILL ASH LANDFILL(PHASE II) ASHLANDFILL(PHASE I) ASBESTOSLANDFILL ACCESS ROADSTRUCTURAL FILL GWA-15S1.2 GWA-11BR1.7 GWA-11S<0.5 AB-1BR0.32 jAB-1D<0.5 AB-1S<0.5 AB-2D0.16 j AB-2S<0.5 AB-3D0.25 j AB-3S0.28 j AB-4SL53 AB-5BR0.17 j AB-5D0.45 j AB-5S<0.5 AB-6D0.48 j AB-7D0.55 AB-7S2420 AB-8D2.2 AB-8S2.8 AB-9BR5.2 AB-9D2.7 AB-9S<0.5 AB-10BR0.28 j AB-10D1.2 AB-10SL3580 AB-11D0.76 AB-11S<0.5 AB-12BR2.8 AB-12D0.42 j AB-12S5.1 AB-13D1.4 AB-13S56.9 AB-14D<0.5 AB-14S3 AB-15D0.74 AB-15S20.1 AB-15SL25.2 AB-16D1.3 AB-16S2.1 AB-17D0.77 AB-17S6 AB-18D1.1 AB-20D4.9 AB-21D1.3AB-21S1.2 AL-1BR0.13 j AL-1D0.11 jAL-1S<0.5 AL-2BRLNA AL-2D1.6 AL-2S0.18 j AL-3BR5.7 AL-3D2.2 AL-3S40000 AL-4BR0.21 j BG-1BRA2.5 BG-1D0.31 j BG-1S<0.5 BG-2BR0.2 j BG-2S0.13 j BG-3BR3 BG-3D0.26 j BG-3S0.23 j GWA-1BR0.12 j GWA-1D9.9 GWA-1S<0.5 GWA-2S<0.5 GWA-3D2.7 GWA-3S0.37 j GWA-4D4.8 GWA-4S0.11 j GWA-5D0.35 j GWA-6D0.61 GWA-6S<0.5 GWA-7D0.69 GWA-7S0.85 GWA-8D0.29 j GWA-8S<0.5 GWA-9BR0.5 GWA-10D0.44 j GWA-10S0.22 j GWA-11D0.34 j GWA-12BR2.9 GWA-12S<0.5 GWA-13DA2.4 GWA-13S<0.5 GWA-14D1.2 GWA-14S0.18 j MS-8<0.5 MS-10<0.5 MS-11<0.5 MS-14<0.5 MW-4<1 MW-4D<1 MW-6D0.12 j MW-6S<0.5 MW-7D0.35 j MW-7S0.92 MW-8D0.15 j MW-8S0.85 MW-9D<0.5 MW-9S0.27 j MW-10S<1 MW-11D<1MW-11S<1 MW-12D<1 MW-12S<1 MW-13D<1 MW-13S<1 MW-14BR0.33 j MW-14D<1 MW-14S<1 OB-1 (AshBasin) 0.23 j AB-12SL452 AL-2BR7.3 AB-10S2640 M6 AB-4D<0.5 AB-4S7.1 AB-6BRA57.2 AB-6S40.6 AB-15BR1.2 AB-18S285 AB-20S3050 AL-4D1.7 GWA-2DA2.3 GWA-5S0.22 j GWA-12D42.2 MS-90.19 j MS-12<0.5 MS-13<0.5 MS-150.55 MS-160.26 j MW-1<0.5 MW-2<0.5 MW-3<0.5 MW-5<0.5 MW-10D<1 MARSHALL RDBEATTY RDGREENWOOD RD S H E R R IL L S F O R D R D NOTES:MOLYBDENUM CONCENTRATION IS MEASURED IN μg/L AND THE NCAC 02L STANDARDIS NOT ESTABLISHED. GROUNDWATER CONCENTRATIONS REPORTED ARE FROM SEPTEMBER 2017SAMPLING EVENT. THE DETERMINATION OF CONCENTRATION TRENDS OVER TIME ARE GENERALIZEDBASED ON AVAILABLE DATA AND WERE NOT STATISTICALLY DETERMINED. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON SEPTEMBER 12,2017. AERIAL WAS COLLECTED ON OCTOBER 8, 2016. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83). FIGURE 14-61GROUNDWATER CONCENTRATION TREND ANALYSIS -MOLYBDENUM IN ALL FLOW LAYERSMARSHALL STEAM STATIONDUKE ENERGY CAROLINAS, LLCTERRELL, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: T. PLATINGCHECKED BY: B. WILKER DATE: 01/18/2018 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\M arshall\Mapdocs\CSA_Supplement_2\Marshall - Groundwater Concentration Trend Analysis.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET &<MONITORING W ELL &<BACKGROUND MON ITORING W ELL WATER SUPPLY W ELL ASH BASIN WASTE BOUNDARY LAN DFILL BOUNDARY STRU CTUR AL FILL BOUNDARY LAN DFILL COMPLIANCE BOUNDARY DUKE ENERGY CARO LINAS MARSHALL PLANTSITE BOUNDARY <STREAM (AMEC N RTR 2015) LEGEND INCREASING CON CENTRATION OVER TIME1 DECREASING CONCENTRATION OVER TIME1 STABLE CONCENTRATION OVER TIME1 UNKNOWN CONCENTRATION OVER TIME1 <<<<<<<<<<<<<<<<<") ") ") ") ") ") ") ") ") ") ") !( !( ASH BASIN LAKE NORMAN ASH BASIN FGDRESIDUELANDFILL PV STRUCTURALFILL INDUSTRIALLANDFILL #1 C&DLANDFILL ASH LANDFILL(PHASE II) ASHLANDFILL(PHASE I) ASBESTOSLANDFILL ACCESS ROADSTRUCTURAL FILL SW-13.8 SW-29.6 SW-3<0.5 SW-40.33 j,B SW-52.6 SW-60.26 j,B SW-70.25 j,B SW-80.21 j,B SW-90.24 j,B SW-101.7 SW-110.3 j,B S-1<1 S-2<1 MARSHALL RDBEATTY RDGREENWOOD RD S H E R R IL L S F O R D R D NOTES:MOLYBDENUM CONCENTRATION IS MEASURED IN μg/L AND THE NCAC 02L STANDARDIS NOT ESTABLISHED. GROUNDWATER CONCENTRATIONS REPORTED ARE FROM SEPTEMBER 2017SAMPLING EVENT. THE DETERMINATION OF CONCENTRATION TRENDS OVER TIME ARE GENERALIZEDBASED ON AVAILABLE DATA AND WERE NOT STATISTICALLY DETERMINED. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON SEPTEMBER 12,2017. AERIAL WAS COLLECTED ON OCTOBER 8, 2016. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83). FIGURE 14-62GROUNDWATER CONCENTRATION TREND ANALYSIS -MOLYBDENUM IN SURFACE WATERMARSHALL STEAM STATIONDUKE ENERGY CAROLINAS, LLCTERRELL, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: T. PLATINGCHECKED BY: B. WILKER DATE: 01/18/2018 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\M arshall\Mapdocs\CSA_Supplement_2\Marshall - Groundwater Concentration Trend Analysis_SurfaceWater.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET !(AOW SAMPLE LOCATION ")WATER SAMPLE LOCATION WATER SUPPLY W ELL ASH BASIN WASTE BOUNDARY LAN DFILL BOUNDARY STRU CTUR AL FILL BOUNDARY LAN DFILL COMPLIANCE BOUNDARY DUKE ENERGY CARO LINAS MARSHALL PLANTSITE BOUNDARY <STREAM (AMEC N RTR 2015) LEGEND INCREASING CON CENTRATION OVER TIME1 DECREASING CONCENTRATION OVER TIME1 STABLE CONCENTRATION OVER TIME1 UNKNOWN CONCENTRATION OVER TIME1 <<<<<<<<<<<<<<<<<&< &<&<&< &<&<&< &<&<&<&< &<&<&< &<&<&< &<&<&< &<&<&<&< &<&<&< &<&<&<&< &<&< &<&<&<&< &<&< &<&< &<&<&<&< &<&< &<&< &<&< &<&< &<&< &<&<&< &<&<&<&< &<&<&< &<&< &<&<&< &<&< &<&<&< &<&<&<&<&< &<&< &<&<&<&< &<&< &<&< &<&< &< &<&< &<&<&< &<&<&< &<&< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &<&< &< &<&< &<&< &<&< &<&< &<&< &<&< &<&< &<&< &<&<&< &< ASH BASIN LAKE NORMAN ASH BASIN FGDRESIDUELANDFILL PV STRUCTURALFILL INDUSTRIALLANDFILL #1 C&DLANDFILL ASH LANDFILL(PHASE II) ASHLANDFILL(PHASE I) ASBESTOSLANDFILL ACCESS ROADSTRUCTURAL FILL GWA-15S3.1 GWA-11BR0.82 AB-10S2.1 GWA-11S2.8 AB-1BR1.1AB-1D1.1 AB-2D0.9 AB-2S1.5 AB-3D0.5 AB-3S87.9 AB-4D1.5 AB-4S2.9 AB-4SL9.6 AB-5BR9.7 AB-5D10.6 AB-6BRA<0.5 AB-6D43.1 AB-7D1.1 AB-7S20.4 AB-8D<0.5 AB-8S16.7 AB-9BR1.5 AB-9D23.4 AB-9S4.4 AB-10BR2.4 AB-10D24.5 AB-10SL25.5 AB-11D<0.5 AB-11S<0.5 AB-12BR<0.5 AB-12D4.2 AB-12S1.2 AB-12SL1.4 AB-13D<0.5 AB-13S7.4 AB-14D1.8 AB-14S2.3 AB-15BR<0.5 AB-15D<0.5 AB-15S2.4 AB-15SL1 AB-16D10 AB-17D1.3 AB-17S0.82 AB-18D2.2 AB-18S<5 AB-20D0.55 AB-21D2.1 AB-21S7.5 AL-1BR3.9 AL-1D2.7 AL-2BR4 AL-2BRLNA AL-2D22.6 AL-2S9.8 AL-3BR2.9 AL-3D5.9 AL-3S0.95 AL-4BR5.6 AL-4D9.5 BG-1D7.9 BG-1S<0.5 BG-2BR1.6 BG-2S4.4 BG-3D5.9 GWA-1BR0.57 GWA-1D4.4 GWA-1S1.8GWA-2DA0.45 j GWA-2S4.4 GWA-3S0.57 GWA-4D0.62 GWA-4S<0.5 GWA-5D<0.5 GWA-7S2.3 GWA-8D0.51 GWA-8S<0.5 GWA-9BR2.9 GWA-10D0.56 GWA-11D1.2 GWA-12BR2 GWA-12D1 GWA-12S1.8 GWA-13DA1.2 GWA-13S4.6 GWA-14D0.91GWA-14S0.45 j MS-81.6 MS-9<0.5 MS-101.4 MS-111 MS-13<0.5 MS-141.4 MS-152.3 MS-161.7 MW-12.7 MW-20.52 MW-32.3 MW-4<5 MW-4D<5 MW-50.99 MW-6D1.6 MW-7D<0.5 MW-8D<0.5 MW-8S2.2 MW-9D3.8 MW-9S<0.5 MW-10D<5 MW-10S<5 MW-11D<5 MW-11S<5 MW-12D<5 MW-12S<5 MW-13D<5 MW-13S<5 MW-14BR0.8 MW-14D21 MW-14S48 OB-1 (AshBasin) 8.3 GWA-6S0.57 GWA-7D3.9 AB-1S2.1 AB-5S75.6 AB-6S1.6 AB-16S2.3 AB-20S358 AL-1S2.6 BG-1BRA2 BG-3BR20.8 BG-3S19.7 GWA-3D3 GWA-5S1.8 GWA-6D0.85 GWA-10S3 MS-121.6 MW-6S4.5 MW-7S25.7 MARSHALL RDBEATTY RDGREENWOOD RD S H E R R IL L S F O R D R D NOTES:NICKEL CONCENTRATION IS MEASURED IN μg/L AND THE NCAC 02L STANDARD IS 100μg/L. GROUNDWATER CONCENTRATIONS REPORTED ARE FROM SEPTEMBER 2017SAMPLING EVENT. THE DETERMINATION OF CONCENTRATION TRENDS OVER TIME ARE GENERALIZEDBASED ON AVAILABLE DATA AND WERE NOT STATISTICALLY DETERMINED. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON SEPTEMBER 12,2017. AERIAL WAS COLLECTED ON OCTOBER 8, 2016. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83). FIGURE 14-63GROUNDWATER CONCENTRATION TREND ANALYSIS -NICKEL IN ALL FLOW LAYERSMARSHALL STEAM STATIONDUKE ENERGY CAROLINAS, LLCTERRELL, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: T. PLATINGCHECKED BY: B. WILKER DATE: 01/18/2018 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\M arshall\Mapdocs\CSA_Supplement_2\Marshall - Groundwater Concentration Trend Analysis.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET &<MONITORING W ELL &<BACKGROUND MON ITORING W ELL WATER SUPPLY W ELL ASH BASIN WASTE BOUNDARY LAN DFILL BOUNDARY STRU CTUR AL FILL BOUNDARY LAN DFILL COMPLIANCE BOUNDARY DUKE ENERGY CARO LINAS MARSHALL PLANTSITE BOUNDARY <STREAM (AMEC N RTR 2015) LEGEND INCREASING CON CENTRATION OVER TIME1 DECREASING CONCENTRATION OVER TIME1 STABLE CONCENTRATION OVER TIME1 UNKNOWN CONCENTRATION OVER TIME1 <<<<<<<<<<<<<<<<<") ") ") ") ") ") ") ") ") ") ") !( !( ASH BASIN LAKE NORMAN ASH BASIN FGDRESIDUELANDFILL PV STRUCTURALFILL INDUSTRIALLANDFILL #1 C&DLANDFILL ASH LANDFILL(PHASE II) ASHLANDFILL(PHASE I) ASBESTOSLANDFILL ACCESS ROADSTRUCTURAL FILL SW-17.9 SW-26 SW-429.5 SW-533.4 SW-6<0.5 SW-7<0.5 SW-8<0.5 SW-9<0.5 SW-103.2 SW-11<0.5 S-13.41 S-22.72 SW-31.6 MARSHALL RDBEATTY RDGREENWOOD RD S H E R R IL L S F O R D R D NOTES:NICKEL CONCENTRATION IS MEASURED IN μg/L AND THE NCAC 02L STANDARD IS 100μg/L. GROUNDWATER CONCENTRATIONS REPORTED ARE FROM SEPTEMBER 2017SAMPLING EVENT. THE DETERMINATION OF CONCENTRATION TRENDS OVER TIME ARE GENERALIZEDBASED ON AVAILABLE DATA AND WERE NOT STATISTICALLY DETERMINED. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON SEPTEMBER 12,2017. AERIAL WAS COLLECTED ON OCTOBER 8, 2016. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83). FIGURE 14-64GROUNDWATER CONCENTRATION TREND ANALYSIS -NICKEL IN SURFACE WATERMARSHALL STEAM STATIONDUKE ENERGY CAROLINAS, LLCTERRELL, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: T. PLATINGCHECKED BY: B. WILKER DATE: 01/18/2018 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\M arshall\Mapdocs\CSA_Supplement_2\Marshall - Groundwater Concentration Trend Analysis_SurfaceWater.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET !(AOW SAMPLE LOCATION ")WATER SAMPLE LOCATION WATER SUPPLY W ELL ASH BASIN WASTE BOUNDARY LAN DFILL BOUNDARY STRU CTUR AL FILL BOUNDARY LAN DFILL COMPLIANCE BOUNDARY DUKE ENERGY CARO LINAS MARSHALL PLANTSITE BOUNDARY <STREAM (AMEC N RTR 2015) LEGEND INCREASING CON CENTRATION OVER TIME1 DECREASING CONCENTRATION OVER TIME1 STABLE CONCENTRATION OVER TIME1 UNKNOWN CONCENTRATION OVER TIME1 <<<<<<<<<<<<<<<<<&< &<&<&< &<&<&< &<&<&<&< &<&<&< &<&<&< &<&<&< &<&<&<&< &<&<&< &<&<&<&< &<&< &<&<&<&< &<&< &<&< &<&<&<&< &<&< &<&< &<&< &<&< &<&< &<&<&< &<&<&<&< &<&<&< &<&< &<&<&< &<&< &<&<&< &<&<&<&<&< &<&< &<&<&<&< &<&< &<&< &<&< &< &<&< &<&<&< &<&<&< &<&< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &<&< &< &<&< &<&< &<&< &<&< &<&< &<&< &<&< &<&< &<&<&< &< ASH BASIN LAKE NORMAN ASH BASIN FGDRESIDUELANDFILL PV STRUCTURALFILL INDUSTRIALLANDFILL #1 C&DLANDFILL ASH LANDFILL(PHASE II) ASHLANDFILL(PHASE I) ASBESTOSLANDFILL ACCESS ROADSTRUCTURAL FILL GWA-15S7.3 GWA-11BR0.38 j AB-10S<0.5 GWA-11S20.9 AB-1BR<0.5 AB-1D<0.5 AB-1S12.7 AB-2D0.36 j AB-2S<0.5AB-3D<0.5 AB-3S0.53 AB-4D<0.5 AB-4S0.71 AB-4SL<5 AB-5BR<0.5 AB-5D0.63 AB-6BRA0.62 AB-6D<0.5 AB-6S1 AB-7D<0.5 AB-8D<0.5 AB-8S0.35 j AB-9BR0.34 j AB-9D<0.5 AB-9S<0.5 AB-10BR<0.5 AB-10D<0.5 AB-10SL0.79 AB-11D<0.5 AB-11S<0.5 AB-12BR<0.5 AB-12D<0.5 AB-12S1.4 AB-12SL<0.5 AB-13D<0.5 AB-14D0.4 j AB-14S<5 M1,R1 AB-15BR<0.5 AB-15D<0.5 AB-15S<0.5 AB-15SL<0.5 AB-16D<0.5 AB-16S0.89 AB-17D<0.5AB-17S<0.5 AB-18D0.38 j AB-18S4.4 j AB-20D0.35 j AB-21D<0.5 AB-21S<10 AL-1BR<0.5 AL-1D<0.5 AL-1S0.55 AL-2BR15.9 AL-2BRLNA AL-3BR1.7 AL-3D43.8 AL-3S58.7 AL-4BR5.8 AL-4D12.3 BG-1D2.4 BG-1S<0.5 2g BG-2BR0.31 j BG-2S<0.5 BG-3BR<0.5 BG-3D<0.5 BG-3S<0.5 GWA-1BR0.4 j GWA-1D<0.5 GWA-1S1.2GWA-2DA0.52 GWA-2S1.3 GWA-3D<0.5 GWA-3S<0.5 GWA-4D<0.5 GWA-4S<0.5 GWA-5D<0.5 GWA-6D<0.5 GWA-6S<0.5 1g GWA-7D0.36 j GWA-7S<0.5 GWA-8D<0.5 GWA-8S<0.5 GWA-9BR<0.5 GWA-10D<0.5 GWA-10S2 GWA-11D10.3 GWA-12BR0.39 j GWA-12D0.44 j GWA-12S<0.5 GWA-13DA0.43 j GWA-13S<0.5 GWA-14D0.8 GWA-14S<0.5 MS-8<0.5 MS-9<0.5 MS-10<0.5 MS-11<0.5 MS-12<0.5 MS-130.36 j MS-14<0.5 MS-150.33 j MS-16<0.5 MW-10.98 MW-231.6 MW-3<0.5 MW-4<1 MW-4D<1 MW-5<0.5 MW-6D<0.5 MW-7D<0.5 MW-8D<0.5 MW-8S0.54 MW-9D<0.5 MW-9S<0.5 MW-10D<1 MW-10S<1 MW-11D<1MW-11S<1 MW-12D<1 MW-12S<1 MW-13D<1 MW-13S<1 MW-14BR1.4 MW-14D3.07 MW-14S6.06 OB-1 (AshBasin) 0.44 j AL-2D109 AB-7S13.3 AL-2S77.9 AB-5S0.34 j AB-13S<5 AB-20S636 BG-1BRA0.36 j GWA-5S<0.5 MW-6S<0.5 MW-7S19.4 MARSHALL RDBEATTY RDGREENWOOD RD S H E R R IL L S F O R D R D NOTES:SELENIUM CONCENTRATION IS MEASURED IN μg/L AND THE NCAC 02L STANDARD IS20 μg/L. GROUNDWATER CONCENTRATIONS REPORTED ARE FROM SEPTEMBER 2017SAMPLING EVENT. THE DETERMINATION OF CONCENTRATION TRENDS OVER TIME ARE GENERALIZEDBASED ON AVAILABLE DATA AND WERE NOT STATISTICALLY DETERMINED. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON SEPTEMBER 12,2017. AERIAL WAS COLLECTED ON OCTOBER 8, 2016. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83). FIGURE 14-65GROUNDWATER CONCENTRATION TREND ANALYSIS -SELENIUM IN ALL FLOW LAYERSMARSHALL STEAM STATIONDUKE ENERGY CAROLINAS, LLCTERRELL, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: T. PLATINGCHECKED BY: B. WILKER DATE: 01/18/2018 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\M arshall\Mapdocs\CSA_Supplement_2\Marshall - Groundwater Concentration Trend Analysis.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET &<MONITORING W ELL &<BACKGROUND MON ITORING W ELL WATER SUPPLY W ELL ASH BASIN WASTE BOUNDARY LAN DFILL BOUNDARY STRU CTUR AL FILL BOUNDARY LAN DFILL COMPLIANCE BOUNDARY DUKE ENERGY CARO LINAS MARSHALL PLANTSITE BOUNDARY <STREAM (AMEC N RTR 2015) LEGEND INCREASING CON CENTRATION OVER TIME1 DECREASING CONCENTRATION OVER TIME1 STABLE CONCENTRATION OVER TIME1 UNKNOWN CONCENTRATION OVER TIME1 <<<<<<<<<<<<<<<<<") ") ") ") ") ") ") ") ") ") ") !( !( ASH BASIN LAKE NORMAN ASH BASIN FGDRESIDUELANDFILL PV STRUCTURALFILL INDUSTRIALLANDFILL #1 C&DLANDFILL ASH LANDFILL(PHASE II) ASHLANDFILL(PHASE I) ASBESTOSLANDFILL ACCESS ROADSTRUCTURAL FILL SW-11.4 SW-20.78 SW-3<0.5 SW-47.1 SW-510.5 SW-6<0.5 SW-7<0.5 SW-8<0.5 SW-9<0.5 SW-100.56 SW-11<0.5 S-11.55 S-2<1 MARSHALL RDBEATTY RDGREENWOOD RD S H E R R IL L S F O R D R D NOTES:SELENIUM CONCENTRATION IS MEASURED IN μg/L AND THE NCAC 02L STANDARD IS20 μg/L. GROUNDWATER CONCENTRATIONS REPORTED ARE FROM SEPTEMBER 2017SAMPLING EVENT. THE DETERMINATION OF CONCENTRATION TRENDS OVER TIME ARE GENERALIZEDBASED ON AVAILABLE DATA AND WERE NOT STATISTICALLY DETERMINED. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON SEPTEMBER 12,2017. AERIAL WAS COLLECTED ON OCTOBER 8, 2016. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83). FIGURE 14-66GROUNDWATER CONCENTRATION TREND ANALYSIS -SELENIUM IN SURFACE WATERMARSHALL STEAM STATIONDUKE ENERGY CAROLINAS, LLCTERRELL, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: T. PLATINGCHECKED BY: B. WILKER DATE: 01/18/2018 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\M arshall\Mapdocs\CSA_Supplement_2\Marshall - Groundwater Concentration Trend Analysis_SurfaceWater.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET !(AOW SAMPLE LOCATION ")WATER SAMPLE LOCATION WATER SUPPLY W ELL ASH BASIN WASTE BOUNDARY LAN DFILL BOUNDARY STRU CTUR AL FILL BOUNDARY LAN DFILL COMPLIANCE BOUNDARY DUKE ENERGY CARO LINAS MARSHALL PLANTSITE BOUNDARY <STREAM (AMEC N RTR 2015) LEGEND INCREASING CON CENTRATION OVER TIME1 DECREASING CONCENTRATION OVER TIME1 STABLE CONCENTRATION OVER TIME1 UNKNOWN CONCENTRATION OVER TIME1 <<<<<<<<<<<<<<<<<&< &<&<&< &<&<&< &<&<&<&< &<&<&< &<&<&< &<&<&< &<&<&<&< &<&<&< &<&<&<&< &<&< &<&<&<&< &<&< &<&< &<&<&<&< &<&< &<&< &<&< &<&< &<&< &<&<&< &<&<&<&< &<&<&< &<&< &<&<&< &<&< &<&<&< &<&<&<&<&< &<&< &<&<&<&< &<&< &<&< &<&< &< &<&< &<&<&< &<&<&< &<&< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &<&< &< &<&< &<&< &<&< &<&< &<&< &<&< &<&< &<&< &<&<&< &< ASH BASIN LAKE NORMAN ASH BASIN FGDRESIDUELANDFILL PV STRUCTURALFILL INDUSTRIALLANDFILL #1 C&DLANDFILL ASH LANDFILL(PHASE II) ASHLANDFILL(PHASE I) ASBESTOSLANDFILL ACCESS ROADSTRUCTURAL FILL GWA-15S1700 GWA-11BR567 AB-10S7230 GWA-11S1190 AB-1BR1700 AB-1D2420 AB-1S809 AB-2D633 AB-2S9.4 AB-3S2400 AB-4D259 AB-4S312 AB-4SL758 AB-5BR3040 AB-5D2670 AB-5S1460 AB-6D4590 AB-6S6590 AB-7S6220 AB-8D2280 AB-8S1560 AB-9BR262 AB-9D235 AB-9S44.9 AB-10BR5220AB-10D2820 AB-10SL6280 AB-11D1160 AB-11S37.5 AB-12BR7530 AB-12D10200 AB-12S4520 AB-12SL4820 M1 AB-13D673 AB-13S2740 AB-14D471 AB-14S3220 AB-15BR1220 AB-15D720 AB-15S4760 AB-15SL2340 AB-16D420 AB-16S313 AB-17D112AB-17S2330 AB-18D195 AB-18S3260 AB-20D574 AB-21D623AB-21S604 AL-1BR2840 AL-1D5020AL-1S2280 AL-2BR2570 AL-2BRLNA AL-2S5750 AL-3BR1010 AL-3D2700 AL-3S14100 AL-4BR2240 BG-1D656 BG-1S87 BG-2BR237 BG-2S210 BG-3BR181 BG-3D170 BG-3S139 GWA-1BR283 GWA-1D932 GWA-1S35.2 GWA-2S34 GWA-3D81.2 GWA-3S51.3 GWA-4D153 GWA-4S42.2 GWA-5D81.4 GWA-6D277 GWA-6S60.2 GWA-7D210 GWA-7S160 GWA-8D183 GWA-8S171 GWA-9BR54.1 GWA-10D1900 GWA-10S702 GWA-11D1670 GWA-12BR182 GWA-12D294 GWA-12S10.1 GWA-13DA95 GWA-13S6.6 GWA-14D80.6 GWA-14S16.2 MS-8102 MS-1021.5 MS-1188.4 MS-14398 MW-4100 MW-4D196 MW-6D1520 MW-6S40 MW-7D1320 MW-7S459 MW-8D1540 MW-8S1550 MW-9D1190 MW-9S1070 MW-10D103 MW-10S<5 MW-11D95MW-11S74 MW-12D169 MW-12S49 MW-13D74MW-13S66 MW-14BR593 MW-14D2120 MW-14S2270 OB-1 (AshBasin) 3190 AL-4D7580 GWA-2DA378 AB-3D1280 AB-6BRA2830 AB-7D492 AB-20S9770 M6 AL-2D9290 BG-1BRA202 GWA-5S67.6 MS-9190 MS-1232.5 MS-13380 MS-15492 MS-16310 MW-12330 MW-21750 MW-365.4 MW-5138 MARSHALL RDBEATTY RDGREENWOOD RD S H E R R IL L S F O R D R D NOTES:STRONTIUM CONCENTRATION IS MEASURED IN μg/L AND THE NCAC 02L STANDARD ISNOT ESTABLISHED. GROUNDWATER CONCENTRATIONS REPORTED ARE FROM SEPTEMBER 2017SAMPLING EVENT. THE DETERMINATION OF CONCENTRATION TRENDS OVER TIME ARE GENERALIZEDBASED ON AVAILABLE DATA AND WERE NOT STATISTICALLY DETERMINED. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON SEPTEMBER 12,2017. AERIAL WAS COLLECTED ON OCTOBER 8, 2016. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83). FIGURE 14-67GROUNDWATER CONCENTRATION TREND ANALYSIS -STRONTIUM IN ALL FLOW LAYERSMARSHALL STEAM STATIONDUKE ENERGY CAROLINAS, LLCTERRELL, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: T. PLATINGCHECKED BY: B. WILKER DATE: 01/18/2018 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\M arshall\Mapdocs\CSA_Supplement_2\Marshall - Groundwater Concentration Trend Analysis.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET &<MONITORING W ELL &<BACKGROUND MON ITORING W ELL WATER SUPPLY W ELL ASH BASIN WASTE BOUNDARY LAN DFILL BOUNDARY STRU CTUR AL FILL BOUNDARY LAN DFILL COMPLIANCE BOUNDARY DUKE ENERGY CARO LINAS MARSHALL PLANTSITE BOUNDARY <STREAM (AMEC N RTR 2015) LEGEND INCREASING CON CENTRATION OVER TIME1 DECREASING CONCENTRATION OVER TIME1 STABLE CONCENTRATION OVER TIME1 UNKNOWN CONCENTRATION OVER TIME1 <<<<<<<<<<<<<<<<<") ") ") ") ") ") ") ") ") ") ") !( !( ASH BASIN LAKE NORMAN ASH BASIN FGDRESIDUELANDFILL PV STRUCTURALFILL INDUSTRIALLANDFILL #1 C&DLANDFILL ASH LANDFILL(PHASE II) ASHLANDFILL(PHASE I) ASBESTOSLANDFILL ACCESS ROADSTRUCTURAL FILL SW-1527 SW-2628 SW-3209 SW-4846 SW-51020 SW-768.3 SW-843.6 SW-948.3 SW-10231 SW-1129 S-2NA SW-672.7 S-1NA MARSHALL RDBEATTY RDGREENWOOD RD S H E R R IL L S F O R D R D NOTES:STRONTIUM CONCENTRATION IS MEASURED IN μg/L AND THE NCAC 02L STANDARD ISNOT ESTABLISHED. GROUNDWATER CONCENTRATIONS REPORTED ARE FROM SEPTEMBER 2017SAMPLING EVENT. THE DETERMINATION OF CONCENTRATION TRENDS OVER TIME ARE GENERALIZEDBASED ON AVAILABLE DATA AND WERE NOT STATISTICALLY DETERMINED. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON SEPTEMBER 12,2017. AERIAL WAS COLLECTED ON OCTOBER 8, 2016. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83). FIGURE 14-68GROUNDWATER CONCENTRATION TREND ANALYSIS -STRONTIUM IN SURFACE WATERMARSHALL STEAM STATIONDUKE ENERGY CAROLINAS, LLCTERRELL, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: T. PLATINGCHECKED BY: B. WILKER DATE: 01/18/2018 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\M arshall\Mapdocs\CSA_Supplement_2\Marshall - Groundwater Concentration Trend Analysis_SurfaceWater.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET !(AOW SAMPLE LOCATION ")WATER SAMPLE LOCATION WATER SUPPLY W ELL ASH BASIN WASTE BOUNDARY LAN DFILL BOUNDARY STRU CTUR AL FILL BOUNDARY LAN DFILL COMPLIANCE BOUNDARY DUKE ENERGY CARO LINAS MARSHALL PLANTSITE BOUNDARY <STREAM (AMEC N RTR 2015) LEGEND INCREASING CON CENTRATION OVER TIME1 DECREASING CONCENTRATION OVER TIME1 STABLE CONCENTRATION OVER TIME1 UNKNOWN CONCENTRATION OVER TIME1 <<<<<<<<<<<<<<<<<&< &<&<&< &<&<&< &<&<&<&< &<&<&< &<&<&< &<&<&< &<&<&<&< &<&<&< &<&<&<&< &<&< &<&<&<&< &<&< &<&< &<&<&<&< &<&< &<&< &<&< &<&< &<&< &<&<&< &<&<&<&< &<&<&< &<&< &<&<&< &<&< &<&<&< &<&<&<&<&< &<&< &<&<&<&< &<&< &<&< &<&< &< &<&< &<&<&< &<&<&< &<&< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &<&< &< &<&< &<&< &<&< &<&< &<&< &<&< &<&< &<&< &<&<&< &< ASH BASIN LAKE NORMAN ASH BASIN FGDRESIDUELANDFILL PV STRUCTURALFILL INDUSTRIALLANDFILL #1 C&DLANDFILL ASH LANDFILL(PHASE II) ASHLANDFILL(PHASE I) ASBESTOSLANDFILL ACCESS ROADSTRUCTURAL FILL GWA-15S91 GWA-11BR39.7 GWA-11S245 AB-1BR43.8AB-1D38 AB-1S122 AB-2D174 AB-4D34.1 AB-4S28.8 AB-4SL36.5 AB-6D40.3 AB-6S486 M6 AB-7D1.1 AB-7S1620 AB-8D77.6 AB-9BR17.2 AB-9D9 AB-9S7.9 AB-10BR19.7 AB-10D10.7 AB-10SL632 AB-11D3.7 AB-11S0.74 j AB-12BR152 AB-12D172 AB-12S753 AB-12SL5.3 AB-13D15.8 AB-13S27.1 AB-14D43.7 AB-14S958 AB-15BR66.4 AB-15D32.4 AB-15SL89.9 AB-16D24.5 AB-17D0.96 j AB-17S557 AB-18D5.1 AB-18S4.2 AB-20D21.9 AB-21D27.1AB-21S421 AL-1BR7.7 AL-1D14 AL-1S77.6 AL-2BR193 AL-2BRL183 AL-2D914 AL-2S1480 AL-3BR157 AL-3D431 AL-3S2840 AL-4BR166 BG-1D11 BG-1S12.6 BG-2BR2.1 BG-2S5.5 BG-3BR12.6 BG-3D12.5 BG-3S12.8 GWA-1BR52.1 GWA-1D234 GWA-1S7.2 GWA-2S57.4 GWA-3D2.6 GWA-3S0.67 j GWA-4D11.3 GWA-4S<1 GWA-5D2.4 GWA-6D7 GWA-6S<1 GWA-7D9.2 GWA-7S5.9 GWA-8D0.88 j GWA-8S0.9 j GWA-9BR<1 GWA-10D208 GWA-10S43.4 GWA-11D104 GWA-12BR18.4 GWA-12D13.6 GWA-12S3.4 GWA-13DA3.5 GWA-13S1.2 GWA-14D2.7GWA-14S<1 MS-8<1 MS-9<1 MS-10<1 MS-113.6 MS-12<1 MS-13<1 MS-14<1 MS-150.95 j MS-16<1 MW-115.3 MW-2159 MW-3<1 MW-40.12 MW-4D1.5 MW-5<1 MW-6D5.5 MW-7D73.5 MW-7S99.3 MW-8D108 MW-8S40.1 MW-9D171 MW-9S54.9 MW-10D4.1 MW-10S<0.1 MW-11D0.67MW-11S0.3 MW-12D4.8 MW-12S1 MW-13D0.6 MW-13S0.47 MW-14BR9.6 MW-14D200 MW-14S290 OB-1 (AshBasin) 10.5 AB-5D112 MW-6S52.7 AB-10S932 AB-2S0.73 jAB-3D94 AB-3S520 AB-5BR240 AB-5S1450 AB-6BRA207 AB-8S200 M1 AB-15S58.8 AB-16S4.7 AB-20S3370 AL-4D999 BG-1BRA8.2 GWA-2DA32.2 GWA-5S1.1 MARSHALL RDBEATTY RDGREENWOOD RD S H E R R IL L S F O R D R D NOTES:SULFATE CONCENTRATION IS MEASURED IN mg/L AND THE NCAC 02L STANDARD IS250 mg/L. GROUNDWATER CONCENTRATIONS REPORTED ARE FROM SEPTEMBER 2017SAMPLING EVENT. THE DETERMINATION OF CONCENTRATION TRENDS OVER TIME ARE GENERALIZEDBASED ON AVAILABLE DATA AND WERE NOT STATISTICALLY DETERMINED. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON SEPTEMBER 12,2017. AERIAL WAS COLLECTED ON OCTOBER 8, 2016. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83). FIGURE 14-69GROUNDWATER CONCENTRATION TREND ANALYSIS -SULFATE IN ALL F LOW LAYERSMARSHALL STEAM STATIONDUKE ENERGY CAROLINAS, LLCTERRELL, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: T. PLATINGCHECKED BY: B. WILKER DATE: 01/18/2018 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\M arshall\Mapdocs\CSA_Supplement_2\Marshall - Groundwater Concentration Trend Analysis.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET &<MONITORING W ELL &<BACKGROUND MON ITORING W ELL WATER SUPPLY W ELL ASH BASIN WASTE BOUNDARY LAN DFILL BOUNDARY STRU CTUR AL FILL BOUNDARY LAN DFILL COMPLIANCE BOUNDARY DUKE ENERGY CARO LINAS MARSHALL PLANTSITE BOUNDARY <STREAM (AMEC N RTR 2015) LEGEND INCREASING CON CENTRATION OVER TIME1 DECREASING CONCENTRATION OVER TIME1 STABLE CONCENTRATION OVER TIME1 UNKNOWN CONCENTRATION OVER TIME1 <<<<<<<<<<<<<<<<<") ") ") ") ") ") ") ") ") ") ") !( !( ASH BASIN LAKE NORMAN ASH BASIN FGDRESIDUELANDFILL PV STRUCTURALFILL INDUSTRIALLANDFILL #1 C&DLANDFILL ASH LANDFILL(PHASE II) ASHLANDFILL(PHASE I) ASBESTOSLANDFILL ACCESS ROADSTRUCTURAL FILL SW-1106 SW-2117 SW-357.9 SW-4726 SW-5768 SW-66.5 SW-70.51 j SW-80.51 j SW-94.6 SW-1048.2 SW-113.4 S-189 S-2130 MARSHALL RDBEATTY RDGREENWOOD RD S H E R R IL L S F O R D R D NOTES:SULFATE CONCENTRATION IS MEASURED IN mg/L AND THE NCAC 02L STANDARD IS250 mg/L. GROUNDWATER CONCENTRATIONS REPORTED ARE FROM SEPTEMBER 2017SAMPLING EVENT. THE DETERMINATION OF CONCENTRATION TRENDS OVER TIME ARE GENERALIZEDBASED ON AVAILABLE DATA AND WERE NOT STATISTICALLY DETERMINED. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON SEPTEMBER 12,2017. AERIAL WAS COLLECTED ON OCTOBER 8, 2016. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83). FIGURE 14-70GROUNDWATER CONCENTRATION TREND ANALYSIS -SULFATE IN SURFACE WATERMARSHALL STEAM STATIONDUKE ENERGY CAROLINAS, LLCTERRELL, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: T. PLATINGCHECKED BY: B. WILKER DATE: 01/18/2018 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\M arshall\Mapdocs\CSA_Supplement_2\Marshall - Groundwater Concentration Trend Analysis_SurfaceWater.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET !(AOW SAMPLE LOCATION ")WATER SAMPLE LOCATION WATER SUPPLY W ELL ASH BASIN WASTE BOUNDARY LAN DFILL BOUNDARY STRU CTUR AL FILL BOUNDARY LAN DFILL COMPLIANCE BOUNDARY DUKE ENERGY CARO LINAS MARSHALL PLANTSITE BOUNDARY <STREAM (AMEC N RTR 2015) LEGEND INCREASING CON CENTRATION OVER TIME1 DECREASING CONCENTRATION OVER TIME1 STABLE CONCENTRATION OVER TIME1 UNKNOWN CONCENTRATION OVER TIME1 <<<<<<<<<<<<<<<<<&< &<&<&< &<&<&< &<&<&<&< &<&<&< &<&<&< &<&<&< &<&<&<&< &<&<&< &<&<&<&< &<&< &<&<&<&< &<&< &<&< &<&<&<&< &<&< &<&< &<&< &<&< &<&< &<&<&< &<&<&<&< &<&<&< &<&< &<&<&< &<&< &<&<&< &<&<&<&<&< &<&< &<&<&<&< &<&< &<&< &<&< &< &<&< &<&<&< &<&<&< &<&< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &<&< &< &<&< &<&< &<&< &<&< &<&< &<&< &<&< &<&< &<&<&< &< ASH BASIN LAKE NORMAN ASH BASIN FGDRESIDUELANDFILL PV STRUCTURALFILL INDUSTRIALLANDFILL #1 C&DLANDFILL ASH LANDFILL(PHASE II) ASHLANDFILL(PHASE I) ASBESTOSLANDFILL ACCESS ROADSTRUCTURAL FILL GWA-15S0.015 j GWA-11BR<0.1 AB-10S0.16 GWA-11S<0.1 AB-1BR<0.1AB-1D<0.1 AB-1S0.42 AB-2D<0.1 AB-2S0.17AB-3D0.025 j AB-3S3.2 AB-4D<0.1 AB-4S0.44 AB-4SL<1 AB-5BR0.064 j AB-5D0.15 AB-5S0.54 AB-6BRA<0.1 AB-6D<0.1 AB-6S0.4 AB-7D<0.1 AB-7S4 AB-8D<0.1 AB-8S1 AB-9BR<0.1 AB-9D0.038 j AB-9S0.046 j AB-10BR<0.1 AB-10D<0.1 AB-10SL0.021 j AB-11D<0.1 AB-11S<0.1 AB-12BR0.057 j AB-12D0.063 j AB-12S0.13 AB-12SL<0.1 AB-13D<0.1 AB-13S0.77 j AB-14D<0.1 AB-14S<0.1 AB-15BR<0.1 AB-15D<0.1 AB-15S0.13 AB-15SL0.024 j AB-16D<0.1 AB-16S<0.1 AB-17D<0.1 AB-17S<0.1 AB-18D<0.1 AB-18S<1 AB-20D<0.1 AB-21D<0.1 AB-21S0.11 AL-1BR0.018 j AL-1D<0.1 AL-1S0.19 AL-2BR<0.1 AL-2BRLNAAL-2D0.068 j AL-2S<0.1 AL-3BR<0.1 AL-3D<0.1 AL-3S3.7 AL-4BR0.026 j AL-4D0.081 j BG-1D<0.1 BG-1S0.022 j BG-2BR<0.1 BG-2S<0.1 BG-3BR<0.1 BG-3D<0.1 BG-3S<0.1 GWA-1BR<0.1 GWA-1D0.019 j GWA-1S0.016 j GWA-2S0.17 GWA-3D<0.1GWA-3S<0.1 GWA-4D<0.1 GWA-4S<0.1 GWA-5D<0.1 GWA-6D<0.1 GWA-6S<0.1 GWA-7D0.016 j GWA-7S<0.1 GWA-8D<0.1 GWA-8S<0.1 GWA-9BR<0.1 GWA-10D<0.1 GWA-10S<0.1 GWA-11D<0.1 GWA-12BR<0.1 GWA-12D0.048 j GWA-12S0.081 j GWA-13DA<0.1 GWA-13S0.052 j GWA-14D0.063 jGWA-14S0.049 j MS-8<0.1 MS-9<0.1 MS-10<0.1 MS-110.019 j MS-120.043 j MS-13<0.1 MS-14<0.1 MS-15<0.1 MW-4<0.2 MW-4D<0.2 MW-6D0.018 j MW-6S0.19 MW-7D<0.1 MW-7S0.48 MW-8D<0.1 MW-8S<0.1 MW-9D0.018 j MW-9S0.12 MW-10D<0.2 MW-10S<0.2 MW-11D<0.2 MW-11S<0.2 MW-12D<0.2 MW-12S<0.2 MW-13D<0.2 MW-13S<0.2 MW-14BR<0.1 MW-14D<0.2 MW-14S<0.2 OB-1 (AshBasin) <0.1 AB-20S28.2 BG-1BRA<0.1 GWA-2DA0.022 j GWA-5S<0.1 MS-16<0.1 MW-10.027 j MW-2<0.1 MW-30.071 j MW-5<0.1 MARSHALL RDBEATTY RDGREENWOOD RD S H E R R IL L S F O R D R D NOTES:THALLIUM CONCENTRATION IS MEASURED IN μg/L AND THE IMAC STANDARD IS 0.2μg/L. GROUNDWATER CONCENTRATIONS REPORTED ARE FROM SEPTEMBER 2017SAMPLING EVENT. THE DETERMINATION OF CONCENTRATION TRENDS OVER TIME ARE GENERALIZEDBASED ON AVAILABLE DATA AND WERE NOT STATISTICALLY DETERMINED. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON SEPTEMBER 12,2017. AERIAL WAS COLLECTED ON OCTOBER 8, 2016. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83). FIGURE 14-71GROUNDWATER CONCENTRATION TREND ANALYSIS -THALLIUM IN ALL FLOW LAYERSMARSHALL STEAM STATIONDUKE ENERGY CAROLINAS, LLCTERRELL, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: T. PLATINGCHECKED BY: B. WILKER DATE: 01/18/2018 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\M arshall\Mapdocs\CSA_Supplement_2\Marshall - Groundwater Concentration Trend Analysis.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET &<MONITORING W ELL &<BACKGROUND MON ITORING W ELL WATER SUPPLY W ELL ASH BASIN WASTE BOUNDARY LAN DFILL BOUNDARY STRU CTUR AL FILL BOUNDARY LAN DFILL COMPLIANCE BOUNDARY DUKE ENERGY CARO LINAS MARSHALL PLANTSITE BOUNDARY <STREAM (AMEC N RTR 2015) LEGEND INCREASING CON CENTRATION OVER TIME1 DECREASING CONCENTRATION OVER TIME1 STABLE CONCENTRATION OVER TIME1 UNKNOWN CONCENTRATION OVER TIME1 <<<<<<<<<<<<<<<<<") ") ") ") ") ") ") ") ") ") ") !( !( ASH BASIN LAKE NORMAN ASH BASIN FGDRESIDUELANDFILL PV STRUCTURALFILL INDUSTRIALLANDFILL #1 C&DLANDFILL ASH LANDFILL(PHASE II) ASHLANDFILL(PHASE I) ASBESTOSLANDFILL ACCESS ROADSTRUCTURAL FILL SW-10.37 SW-20.22 SW-3<0.1 SW-41.5 SW-51.9 SW-6<0.1 SW-7<0.1 SW-8<0.1 SW-9<0.1 SW-100.16 B SW-11<0.1 S-1<0.2 S-20.48 MARSHALL RDBEATTY RDGREENWOOD RD S H E R R IL L S F O R D R D NOTES:THALLIUM CONCENTRATION IS MEASURED IN μg/L AND THE IMAC STANDARD IS 0.2μg/L. GROUNDWATER CONCENTRATIONS REPORTED ARE FROM SEPTEMBER 2017SAMPLING EVENT. THE DETERMINATION OF CONCENTRATION TRENDS OVER TIME ARE GENERALIZEDBASED ON AVAILABLE DATA AND WERE NOT STATISTICALLY DETERMINED. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON SEPTEMBER 12,2017. AERIAL WAS COLLECTED ON OCTOBER 8, 2016. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83). FIGURE 14-72GROUNDWATER CONCENTRATION TREND ANALYSIS -THALLIUM IN SURFACE WATERMARSHALL STEAM STATIONDUKE ENERGY CAROLINAS, LLCTERRELL, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: T. PLATINGCHECKED BY: B. WILKER DATE: 01/18/2018 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\M arshall\Mapdocs\CSA_Supplement_2\Marshall - Groundwater Concentration Trend Analysis_SurfaceWater.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET !(AOW SAMPLE LOCATION ")WATER SAMPLE LOCATION WATER SUPPLY W ELL ASH BASIN WASTE BOUNDARY LAN DFILL BOUNDARY STRU CTUR AL FILL BOUNDARY LAN DFILL COMPLIANCE BOUNDARY DUKE ENERGY CARO LINAS MARSHALL PLANTSITE BOUNDARY <STREAM (AMEC N RTR 2015) LEGEND INCREASING CON CENTRATION OVER TIME1 DECREASING CONCENTRATION OVER TIME1 STABLE CONCENTRATION OVER TIME1 UNKNOWN CONCENTRATION OVER TIME1 <<<<<<<<<<<<<<<<<&< &<&<&< &<&<&< &<&<&<&< &<&<&< &<&<&< &<&<&< &<&<&<&< &<&<&< &<&<&<&< &<&< &<&<&<&< &<&< &<&< &<&<&<&< &<&< &<&< &<&< &<&< &<&< &<&<&< &<&<&<&< &<&<&< &<&< &<&<&< &<&< &<&<&< &<&<&<&<&< &<&< &<&<&<&< &<&< &<&< &<&< &< &<&< &<&<&< &<&<&< &<&< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &<&< &< &<&< &<&< &<&< &<&< &<&< &<&< &<&< &<&< &<&<&< &< ASH BASIN LAKE NORMAN ASH BASIN FGDRESIDUELANDFILL PV STRUCTURALFILL INDUSTRIALLANDFILL #1 C&DLANDFILL ASH LANDFILL(PHASE II) ASHLANDFILL(PHASE I) ASBESTOSLANDFILL ACCESS ROADSTRUCTURAL FILL GWA-15S542 GWA-11BR176 AB-10S1760 GWA-11S511 AB-1S582 AB-2D375 AB-2S59 AB-3D276 AB-3S875 AB-4D132 AB-4S107 AB-4SL140 AB-5BR481 AB-5D325AB-5SNA AB-6D331 AB-6S1080 AB-7D121 AB-7S2810 AB-8D266 AB-8S423 AB-9BR180 AB-9D133 AB-9S46 AB-10BR372AB-10D313 AB-10SL1260 AB-11D98 AB-12BR359 AB-12SL581 AB-13D209 AB-13S356 AB-14D142 AB-15BR280 AB-15D265 AB-15S577 AB-15SL420 AB-16D201 AB-16S135 AB-17D83AB-17S1180 AB-18D90 AB-18S340 AB-20D115 AB-21D179 AB-21S1480 AL-1BR415 AL-1D603 AL-2BR413 AL-2BRLNA AL-2D1480 AL-2S1950 AL-3BR377 AL-3D744 AL-3S4550 AL-4BR348 BG-1D113 BG-1S56 D6 BG-2BR141 BG-2S96 BG-3BR169 BG-3D154 BG-3S124 GWA-3D80 GWA-3S82 GWA-4D181 GWA-4S64 D6 GWA-5D41 GWA-6D76 GWA-6S48 D6 GWA-7D126 GWA-7S92 GWA-8D73 GWA-8S54 D6 GWA-9BR104 GWA-10D414 GWA-11D273 GWA-12BR111 GWA-12D146 GWA-12S32 GWA-13DA127 GWA-13S28 GWA-14D96 GWA-14S38 MS-971 MS-10<25 MS-1147 MS-12<25 MS-1356 MS-1457 MS-15103 MS-1685 MW-2299 MW-337 MW-436 MW-4D65 MW-526 MW-6D297 MW-7D460 MW-7S574 MW-8D341 MW-8S474 MW-9D324 MW-9S375 MW-10D66 MW-10S<25 MW-11D57 MW-11S44 MW-12D64 MW-12S26 MW-13D81MW-13S74 MW-14BR173 MW-14D380 MW-14S550 OB-1 (AshBasin) 628 AB-1BR539 AB-1D492 AB-6BRA525 AB-11S<25 AB-12D767 AB-12S5100 AB-14S160 AB-20S6120 D6 AL-1S510 AL-4D1500 BG-1BRA147 GWA-1BR171 GWA-1D420 GWA-1S57 GWA-2DA142 GWA-2S81 GWA-5S45 GWA-10S118 MS-868 MW-1304 MW-6S179 MARSHALL RDBEATTY RDGREENWOOD RD S H E R R IL L S F O R D R D NOTES:TOTAL DISSOLVED SOLIDS (TDS) CONCENTRATION IS MEASURED IN m g/L AND THENCAC 02L STANDARD IS 500 m g/L. GROUNDWATER CONCENTRATIONS REPORTED ARE FROM SEPTEMBER 2017SAMPLING EVENT. THE DETERMINATION OF CONCENTRATION TRENDS OVER TIME ARE GENERALIZEDBASED ON AVAILABLE DATA AND WERE NOT STATISTICALLY DETERMINED. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON SEPTEMBER 12,2017. AERIAL WAS COLLECTED ON OCTOBER 8, 2016. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83). FIGURE 14-73GROUNDWATER CONCENTRATION TREND ANALYSIS -TOTAL DISSOLVED SOLIDS IN ALL FLOW LAYERSMARSHALL STEAM STATIONDUKE ENERGY CAROLINAS, LLCTERRELL, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: T. PLATINGCHECKED BY: B. WILKER DATE: 01/18/2018 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\M arshall\Mapdocs\CSA_Supplement_2\Marshall - Groundwater Concentration Trend Analysis.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET &<MONITORING W ELL &<BACKGROUND MON ITORING W ELL WATER SUPPLY W ELL ASH BASIN WASTE BOUNDARY LAN DFILL BOUNDARY STRU CTUR AL FILL BOUNDARY LAN DFILL COMPLIANCE BOUNDARY DUKE ENERGY CARO LINAS MARSHALL PLANTSITE BOUNDARY <STREAM (AMEC N RTR 2015) LEGEND INCREASING CON CENTRATION OVER TIME1 DECREASING CONCENTRATION OVER TIME1 STABLE CONCENTRATION OVER TIME1 UNKNOWN CONCENTRATION OVER TIME1 <<<<<<<<<<<<<<<<<") ") ") ") ") ") ") ") ") ") ") !( !( ASH BASIN LAKE NORMAN ASH BASIN FGDRESIDUELANDFILL PV STRUCTURALFILL INDUSTRIALLANDFILL #1 C&DLANDFILL ASH LANDFILL(PHASE II) ASHLANDFILL(PHASE I) ASBESTOSLANDFILL ACCESS ROADSTRUCTURAL FILL SW-1662 SW-2522 SW-3147 SW-41080 SW-51100 SW-652 SW-785 SW-870 SW-943 SW-10304 SW-1161 S-1190 S-2680 MARSHALL RDBEATTY RDGREENWOOD RD S H E R R IL L S F O R D R D NOTES:TOTAL DISSOLVED SOLIDS (TDS) CONCENTRATION IS MEASURED IN m g/L AND THENCAC 02L STANDARD IS 500 m g/L. GROUNDWATER CONCENTRATIONS REPORTED ARE FROM SEPTEMBER 2017SAMPLING EVENT. THE DETERMINATION OF CONCENTRATION TRENDS OVER TIME ARE GENERALIZEDBASED ON AVAILABLE DATA AND WERE NOT STATISTICALLY DETERMINED. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON SEPTEMBER 12,2017. AERIAL WAS COLLECTED ON OCTOBER 8, 2016. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83). FIGURE 14-74GROUNDWATER CONCENTRATION TREND ANALYSIS -TOTAL DISSOLVED SOLIDS IN SURFACE WATERMARSHALL STEAM STATIONDUKE ENERGY CAROLINAS, LLCTERRELL, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: T. PLATINGCHECKED BY: B. WILKER DATE: 01/18/2018 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\M arshall\Mapdocs\CSA_Supplement_2\Marshall - Groundwater Concentration Trend Analysis_SurfaceWater.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET !(AOW SAMPLE LOCATION ")WATER SAMPLE LOCATION WATER SUPPLY W ELL ASH BASIN WASTE BOUNDARY LAN DFILL BOUNDARY STRU CTUR AL FILL BOUNDARY LAN DFILL COMPLIANCE BOUNDARY DUKE ENERGY CARO LINAS MARSHALL PLANTSITE BOUNDARY <STREAM (AMEC N RTR 2015) LEGEND INCREASING CON CENTRATION OVER TIME1 DECREASING CONCENTRATION OVER TIME1 STABLE CONCENTRATION OVER TIME1 UNKNOWN CONCENTRATION OVER TIME1 <<<<<<<<<<<<<<<<<&< &<&<&< &<&<&< &<&<&<&< &<&<&< &<&<&< &<&<&< &<&<&<&< &<&<&< &<&<&<&< &<&< &<&<&<&< &<&< &<&< &<&<&<&< &<&< &<&< &<&< &<&< &<&< &<&<&< &<&<&<&< &<&<&< &<&< &<&<&< &<&< &<&<&< &<&<&<&<&< &<&< &<&<&<&< &<&< &<&< &<&< &< &<&< &<&<&< &<&<&< &<&< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &<&< &< &<&< &<&< &<&< &<&< &<&< &<&< &<&< &<&< &<&<&< &< ASH BASIN LAKE NORMAN ASH BASIN FGDRESIDUELANDFILL PV STRUCTURALFILL INDUSTRIALLANDFILL #1 C&DLANDFILL ASH LANDFILL(PHASE II) ASHLANDFILL(PHASE I) ASBESTOSLANDFILL ACCESS ROADSTRUCTURAL FILL GWA-15S0.44 GWA-11BR2.9 AB-10S0.66 B GWA-11S0.89 B AB-1BR0.096 j,BAB-1D0.78 B AB-1S0.55 B AB-2D0.3 B AB-2S0.1 j,B AB-3S0.092 j AB-4D<0.3 AB-4S1.9 AB-4SL2.4 j AB-5BR0.077 j AB-5D0.78 AB-6D0.16 j,B AB-6S5.5 AB-7D8 AB-8D<0.3 AB-8S0.89 AB-9BR<0.3 AB-9D0.1 j AB-9S0.19 j AB-10BR0.23 j,B AB-10D1 B AB-10SL7.3 AB-11D0.8 AB-11S0.48 AB-12BR0.15 j AB-12D0.55 AB-12S0.97 AB-12SL0.71 AB-13D<0.3 AB-14D1.6 AB-14S5.2 AB-15BR0.17 j,B AB-15D0.13 j,B AB-15S1.2 B AB-15SL0.84 B AB-16D0.11 j,B AB-16S2.2 AB-17D4.3AB-17S6.9 AB-18D2.4 AB-18S5.4 AB-20D0.49 B AB-21D0.57 AB-21S0.4 AL-1BR1.1 AL-1D0.82AL-1S0.98 AL-2BR2.9 AL-2BRLNA AL-2D1.2 AL-2S1.4 AL-3BR1 AL-3D0.81 B AL-3S241 AL-4BR3 AL-4D3.1 BG-1D3.6 BG-1S<0.3 BG-2BR15.3 BG-2S9.9 BG-3BR16 BG-3D25.6 BG-3S9.2 GWA-1BR4.5 GWA-1D1.7 GWA-1S0.55 GWA-2S0.25 j GWA-3D1.7 GWA-3S0.9 GWA-4D0.76 GWA-4S0.82 GWA-5D1.6 GWA-6D1.5 GWA-6S0.68 GWA-7D4.1 GWA-7S1.1 GWA-8D3.9 GWA-8S3.5 GWA-9BR3.6 GWA-10D1 GWA-10S3.3 GWA-11D2.2 GWA-12BR0.16 j GWA-12D1.8 GWA-12S0.12 j GWA-13DA9.2 GWA-13S<0.3 GWA-14D4 GWA-14S1.6 MS-84.6 MS-92.4 MS-100.29 j MS-110.29 j MS-120.17 j MS-130.48 MS-142.4 MS-155 MW-41.15 MW-4D2.78 MW-6D0.42 MW-6S0.16 j MW-7D<0.3 MW-7S0.17 j,B MW-8D0.14 j,B MW-8S0.74 B MW-9D0.49 MW-9S1.8 MW-10D3.18MW-10S<0.3 MW-11D15.3 MW-11S2.48 MW-12D0.834 MW-12S0.614 MW-13D5.42MW-13S5.52 MW-14BR3.4 MW-14D0.374 MW-14S1.78 AB-5S6.4 AB-3D2.3 AB-6BRA6 AB-7S10.5 AB-13S13 AB-20S136 BG-1BRA17.2 GWA-2DA6.2 GWA-5S1.4 MS-164.1 MW-10.94 MW-21.1 B MW-30.26 j MW-50.79 B OB-1 (AshBasin) 0.5 B MARSHALL RDBEATTY RDGREENWOOD RD S H E R R IL L S F O R D R D NOTES:VANADIUM CONCENTRATION IS MEASURED IN μg/L AND THE IMAC STANDARD IS 0.3μg/L. GROUNDWATER CONCENTRATIONS REPORTED ARE FROM SEPTEMBER 2017SAMPLING EVENT. THE DETERMINATION OF CONCENTRATION TRENDS OVER TIME ARE GENERALIZEDBASED ON AVAILABLE DATA AND WERE NOT STATISTICALLY DETERMINED. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON SEPTEMBER 12,2017. AERIAL WAS COLLECTED ON OCTOBER 8, 2016. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83). FIGURE 14-75GROUNDWATER CONCENTRATION TREND ANALYSIS -VANADIUM IN ALL FLOW LAYERSMARSHALL STEAM STATIONDUKE ENERGY CAROLINAS, LLCTERRELL, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: T. PLATINGCHECKED BY: B. WILKER DATE: 01/18/2018 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\M arshall\Mapdocs\CSA_Supplement_2\Marshall - Groundwater Concentration Trend Analysis.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET &<MONITORING W ELL &<BACKGROUND MON ITORING W ELL WATER SUPPLY W ELL ASH BASIN WASTE BOUNDARY LAN DFILL BOUNDARY STRU CTUR AL FILL BOUNDARY LAN DFILL COMPLIANCE BOUNDARY DUKE ENERGY CARO LINAS MARSHALL PLANTSITE BOUNDARY <STREAM (AMEC N RTR 2015) LEGEND INCREASING CON CENTRATION OVER TIME1 DECREASING CONCENTRATION OVER TIME1 STABLE CONCENTRATION OVER TIME1 UNKNOWN CONCENTRATION OVER TIME1 <<<<<<<<<<<<<<<<<") ") ") ") ") ") ") ") ") ") ") !( !( ASH BASIN LAKE NORMAN ASH BASIN FGDRESIDUELANDFILL PV STRUCTURALFILL INDUSTRIALLANDFILL #1 C&DLANDFILL ASH LANDFILL(PHASE II) ASHLANDFILL(PHASE I) ASBESTOSLANDFILL ACCESS ROADSTRUCTURAL FILL SW-10.54 SW-21.9 SW-30.34 SW-40.21 j SW-50.2 j SW-60.79 SW-71.5 SW-82.3 SW-90.58 SW-100.6 SW-110.67 S-1NA S-2NA MARSHALL RDBEATTY RDGREENWOOD RD S H E R R IL L S F O R D R D NOTES:VANADIUM CONCENTRATION IS MEASURED IN μg/L AND THE IMAC STANDARD IS 0.3μg/L. GROUNDWATER CONCENTRATIONS REPORTED ARE FROM SEPTEMBER 2017SAMPLING EVENT. THE DETERMINATION OF CONCENTRATION TRENDS OVER TIME ARE GENERALIZEDBASED ON AVAILABLE DATA AND WERE NOT STATISTICALLY DETERMINED. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON SEPTEMBER 12,2017. AERIAL WAS COLLECTED ON OCTOBER 8, 2016. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83). FIGURE 14-76GROUNDWATER CONCENTRATION TREND ANALYSIS -VANADIUM IN SURFACE WATERMARSHALL STEAM STATIONDUKE ENERGY CAROLINAS, LLCTERRELL, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: T. PLATINGCHECKED BY: B. WILKER DATE: 01/18/2018 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\M arshall\Mapdocs\CSA_Supplement_2\Marshall - Groundwater Concentration Trend Analysis_SurfaceWater.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET !(AOW SAMPLE LOCATION ")WATER SAMPLE LOCATION WATER SUPPLY W ELL ASH BASIN WASTE BOUNDARY LAN DFILL BOUNDARY STRU CTUR AL FILL BOUNDARY LAN DFILL COMPLIANCE BOUNDARY DUKE ENERGY CARO LINAS MARSHALL PLANTSITE BOUNDARY <STREAM (AMEC N RTR 2015) LEGEND INCREASING CON CENTRATION OVER TIME1 DECREASING CONCENTRATION OVER TIME1 STABLE CONCENTRATION OVER TIME1 UNKNOWN CONCENTRATION OVER TIME1 LAKE NORMANBGSB-GWA-6BORROW AREABGSB-GWA-2BGSB-GWA-4MR1001MR1009MR1002MR1006MR1008MR1010NPDES OUTFALL 002ANPDES OUTFALL 002BSOURCE NOTES:NOT ALL UTILITIES ARE IDENTIFIED ON THIS DRAWING. THE UTILITIES SHOWN ON THISDRAWING ARE VISUAL AIDS. THE HORIZONTAL AND VERTICAL LOCATIONS OF THE UTLITIESHAVE NOT BEEN FIELD VERIFIED. ANY UTILITIES SHOWN ARE APPROXIMATE.LEGENDWELL IN DEEP ZONEWELL IN SHALLOW ZONEWELL IN BEDROCK ZONEABMW-07WELL IN ASH PORE WATERWELL ABANDONEDABMW-05SASH BASIN COMPLIANCE BOUNDARYPARCEL LINE DUKE ENERGY (APPROXIMATE)ASH BASIN WASTE BOUNDARYWATER SUPPLY WELL SAMPLEDWATER SAMPLE LOCATION SAMPLEDSURFACE WATER FLOW DIRECTIONFIGURE 14-77COMPREHENSIVESOIL AND SEDIMENT DATAMARSHALL STEAM STATION8320 NC HIGHWAY 150 ETERRELL, NORTH CAROLINADUKEENERGYCAROLINASFIG 14-77 (SOIL & SEDIMENT)BRIAN WILKERJOHN CHASTAINPROJECT MANAGER:LAYOUT NAME:DRAWN BY:CHECKED BY:TODD PLATINGDATE:DATE:www.synterracorp.com148 River Street, Suite 220Greenville, South Carolina 29601864-421-99991/24/20181/24/2018GRAPHIC SCALE6003001500300(IN FEET)S-2AREA OF WETNESS (AOW) SAMPLE LOCATIONWATER SUPPLY WELL NOT SAMPLEDAPPROXIMATE STREAM (NON-JD)TOPOGRAPHY IS BASED ON LIDAR BARE EARTH DATA OBTAINED FROM THE FRIS\NORTHCAROLINA FLOOD RISK INFORMATION SYSTEM AThttp://fris.nc.gov/fris/Download.aspx?FIPS=031&ST=NC&user=General%20Public ANDA DRAWING TITLED AERIAL TOPOGRAPHIC SURVEY-MARSHALL STEAM STATION BY WSP,JOB NUMBER 157002.00 AND DRAWING FILE NAME APRIL2014_MARSHALL_10-30-15.DWGSAMPLE LOCATIONS WERE OBTAINED FROM HDR INFORMATION AND MAY BE APPROXIMATE INSOME CASES.SOIL OR GEOTECHNICAL BORINGAPPROXIMATE POND OR RESERVOIR (NON-JD)APPROXIMATE ASH BASIN PONDED WATERSW-AB8SB-12LANDFILL COMPLIANCE BOUNDARYLANDFILL BOUNDARYGWA-12DAB-14DAB-14SAB-13SAB-13DAB-7DAB-7SAB-8DAB-8SAB-20DAB-20SAB-15BRAB-15DAB-15SAB-15SLAL-4BRAL-4DAB-16DAB-16SAB-18SAB-18DAB-17DAB-17SGWA-4DGWA-3DGWA-3SAL-3BRAL-3SAL-3DAB-11SAB-11DAL-2BRLAL-2BRAL-2DAL-2SGWA-14SGWA-14DGWA-13SGWA-13DAGWA-13DAB-6SAB-6DAB-9BRAB-6BRBG-3SBG-3DBG-3BRBG-1SBG-1DBG-1BRABG-1BRBG-2BRBG-2SCCR-16SCCR-16DCCR-15DCCR-15SGWA-10SGWA-10DGWA-15SGWA-11SGWA-11DGWA-11BRCCR-14SCCR-14DAL-1SAL-1DCCR-13SCCR-13DCCR-12SCCR-12DCCR-11DCCR-11SCCR-10SCCR-10DCCR-9DACCR-9DCCR-9SAB-1BRAB-1DAB-1SAB-2SAB-2DCCR-5SCCR-5DCCR-4SCCR-4DCCR-3DCCR-3SAB-21DAB-21SAB-9DAB-9SAB-10BRAB-10DAB-10SAB-10SLAB-12BRAB-12DAB-12SAB-12SLC-1AB-5BRAB-5DAB-5SAB-4DAB-4SAB-4SLAB-3SAB-3DCCR-1SCCR-1DCCR-2SCCR-2DGWA-2DAGWA-2SGWA-2DGWA-1SGWA-1DGWA-1BRINDUSTRIAL LANDFILL NO. 1SHERRILL'S FORD RDISLAND POINT RDSHERRILL'S FORD RDSHERRILL'S FORD RDGREGORY RDGWA-7DGWA-7SMW-14SMW-14BRMW-14DMW-1OB-1 (DAF)MW-6SMW-6DMW-10DMW-10SMW-7SMW-7DMW-8SMW-8DMW-9DMW-9SSW-1SW-10SW-11SW-4SW-5SW-3MS-8MS-9MS-10MS-16MS-15MS-14MS-11MS-12MS-13MW-11DMW-11SGWA-12BRGWA-12SMW-12DMW-12SSW-2SW-9SW-8MW-13DMW-13SGWA-9BRSW-7GWA-4SMW-4DMW-4MW-7(OB-3)MW-6(OB-2)MW-5MW-3MW-2GWA-6DGWA-6SGWA-5DGWA-5SGWA-8DGWA-8SNPDES OUTFALL 101NPDES OUTFALL 102DEMOLITIONLANDFILLASBESTOS LANDFILLDRY ASH LANDFILL(PHASE II)DRY ASH LANDFILL(PHASE I)ISA L N D P O I N T R DCAPAS COVE RDISLAND POINT RDFGD RESIDUE LANDFILLPERMIT NO. 1809PV STRUCTURAL FILLACTIVE ASH BASINCELL 2CELL 4CELL 1CELL 3NEW EMERGENCY SPILLWAYNEW OUTFLOW STRUCTUREDISCHARGE TOWER(INACTIVE)NEW DISCHARGE STRUCTUREAB-6BRLAB-6BRAAB-1BRLAL-4BRLAL-1BRMR32MR35MR40MR31MR22MR8MR10MR25MR12MR11MR38MR43MR23MR14MR20MR33MR37MR42MR1MR26MR17MR4MR18MR6MR45MR48MR44PUBLIC WATER SUPPLY WELL NOT SAMPLEDPWS:0118497PWS:0118497PWS:0118780PWS:0118623PWS:0118622GREENWOOD RDC L EM E N T C I R ST U T T S S TSTUTTS STSB-1S-2MSSW002MSSW001SW-6S-1SB-14SB-11SB-10SB-7SB-4SB-8SB-3SB-2SB-5SB-13OB-1 (ASH BASIN)MR36MR16MR21MR46PIEZOMETER IN SHALLOW ZONEP-102MS-4MS-5MS-2MS-3MS-7MS-1MR13MR9SB-15MS-6PIEZOMETER ABANDONEDMS-7AB-10BRAB-10DAB-10SLAL-2BRLLSW-12NPDES OUTFALL 002MR45MR29MR47DATA NOTES:DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICAL DATATABLE NOTES FOR QUALIFIER DEFINITIONS.DATA SHOWN ON MAP IS THE MOST RECENT DATA AVAILABLE THROUGH Q3 2017.NA=NOT ANALYZEDNM=NOT MEASUREDSOIL OR SEDIMENT ID (INTERVAL IN ft. bgs): FLOW LAYER, pH (S.U.),As=Arsenic (ug/L): Ba=Barium (ug/L): B=Boron (ug/L): Be=Beryllium(ug/L): Cd=Cadmium(ug/L): Cl=Chloride (mg/L): Cr=Total Chromium (ug/L):Co=Cobalt (ug/L): Fe=Iron (ug/L): Mn=Manganese (ug/L): Mo=Molybdenum(ug/L): Ni=Nickel (ug/L): Sb=Antimony(ug/L): Se=Selenium(ug/L):Sr=Strontium (ug/L): SO4=Sulfate (mg/L): Tl=Thallium (ug/L): V=Vanadium (ug/L)SOIL AND SEDIMENT KEYBLUE COLOR DENOTES THAT THIS SEDIMENT LOCATION HAS CORRESPONDING SURFACE WATER DATA.GREEN COLOR DENOTES THAT THIS SOIL LOCATION HAS CORRESPONDING GROUNDWATER DATA.BLACK COLOR DENOTES THAT THIS SOIL LOCATION DOES NOT HAVE CORRESPONDING GROUNDWATER DATAHFO=HYDROXIDE PHASES OF IRONKD=DISTRIBUTION COEFFICIENTAB-1BR (14-15): Shallow, pH=3.5 j-, Sb=<6.6, As=<6.6,Ba=109, Be=1.4, B=<16.4, Cd=<0.79, Cl=<327, Cr=6.5,Co=<6.6, Fe=35400, Mn=138, Mo=<3.3, Ni=<1.6,Se=<6.6, Sr=5.4, SO4=<327, Tl=<6.6, V=62.7AB-1BR (24-25): Shallow, pH=3.8 j-, Sb=<6.5, As=<6.5,Ba=70, Be=0.64, B=<16.2, Cd=<0.78, Cl=<304, Cr=5.6,Co=<6.5, Fe=9680, Mn=145, Mo=<3.2, Ni=1.2 j,Se=<6.5, Sr=18.1, SO4=<304, Tl=<6.5, V=15.8AB-1BR (33-35): Shallow, pH=NA, Sb=NA, As=NA,Ba=NA, Be=NA, B=NA, Cd=NA, Cl=NA, Cr=NA,Co=NA, Fe=NA, Mn=NA, Mo=NA, Ni=NA, Se=NA,Sr=NA, SO4=NA, Tl=NA, V=NAAB-2S (6-7): Shallow, pH=7.4 j, Sb=<5.5, As=2.8 j,Ba=74, Be=0.79, B=<13.7, Cd=<0.66, Cl=<262, Cr=5.3,Co=3.4 j, Fe=10600, Mn=125, Mo=<2.7, Ni=1.6,Se=<5.5, Sr=24.1, SO4=<262, Tl=<5.5, V=21.7AB-2S (16-17): Shallow, pH=NA, Sb=NA, As=NA,Ba=NA, Be=NA, B=NA, Cd=NA, Cl=NA, Cr=NA, Co=NA,Fe=NA, Mn=NA, Mo=NA, Ni=NA, Se=NA, Sr=NA,SO4=NA, Tl=NA, V=NAAB-2S (31-32): Shallow, pH=5.7 j, Sb=<6.4, As=<6.4,Ba=86.8, Be=0.56, B=<16, Cd=<0.77, Cl=<307, Cr=4.9,Co=7.4, Fe=16100, Mn=408, Mo=<3.2, Ni=1.7,Se=<6.4, Sr=2.6 j, SO4=<307, Tl=<6.4, V=28.7AB-3D (3-5): Ash, pH=6.2 j, Sb=<5.3, As=10,Ba=44.6, Be=0.26 j, B=<13.3, Cd=<0.64, Cl=<274,Cr=3.8, Co=<5.3, Fe=4520, Mn=24.1, Mo=<2.7, Ni=4.9,Se=<5.3, Sr=29.6, SO4=<274, Tl=<5.3, V=7.8AB-3D (64-65.5): Ash, pH=9.7 j, Sb=<8.8, As=50.6,Ba=444, Be=3, B=33.7, Cd=<1.1, Cl=<416,Cr=20.2, Co=11.1, Fe=15300, Mn=144, Mo=<4.4,Ni=17.8, Se=7.6 j, Sr=370, SO4=457 j-, Tl=<8.8, V=57.7AB-3D (70.5-72): Shallow, pH=6.1 j, Sb=<6.4, As=<6.4,Ba=53.9, Be=1, B=<63.7, Cd=<0.76, Cl=<309,Cr=14.9, Co=<6.4, Fe=33900, Mn=122, Mo=<3.2,Ni=3.6, Se=<6.4, Sr=1.6 j, SO4=<309, Tl=<6.4, V=90.6AB-3D (74-75.5): Shallow, pH=5.8 j, Sb=<6.3, As=<6.3,Ba=62.3, Be=0.6, B=<15.8, Cd=<0.76, Cl=<302, Cr=4.7,Co=5.3 j, Fe=5980, Mn=107, Mo=<3.2, Ni=1.4 j,Se=<6.3, Sr=8.3, SO4=<302, Tl=<6.3, V=31.2AB-3D (78.2-79.7): Shallow, pH=5.6 j, Sb=<7.7, As=5.8 j,Ba=226, Be=1.3, B=<19.2, Cd=<0.92, Cl=<377, Cr=2.5,Co=4.3 j, Fe=19100, Mn=324, Mo=<3.8, Ni=1.6 j,Se=5.4 j, Sr=31.4, SO4=<377, Tl=<7.7, V=43.2AB-4D (4-5.5): Ash, pH=6.8 j, Sb=<5.3, As=7.9, Ba=24.7,Be=0.13 j, B=<13.3, Cd=<0.64, Cl=<263, Cr=2.4,Co=<5.3, Fe=3220, Mn=23.1, Mo=<2.7,Ni=2.5, Se=<5.3, Sr=19.1, SO4=137 j-, Tl=<5.3, V=4.2 jAB-4D (9-10.5): Ash, pH=6.1 j, Sb=<7.1, As=37.2,Ba=91.7, Be=0.22 j, B=<17.7, Cd=<0.85, Cl=<356,Cr=4.6, Co=<7.1, Fe=10000, Mn=41.7, Mo=2.8 j,Ni=4.4, Se=<7.1, Sr=17.3, SO4=<356, Tl=<7.1, V=10AB-4D (59-59.9): Shallow, pH=5.9 j, Sb=<6.2, As=<6.2,Ba=368, Be=0.62, B=<61.6, Cd=<0.74, Cl=<297,Cr=18.2, Co=18, Fe=42600, Mn=578, Mo=<3.1,Ni=35.6, Se=<6.2, Sr=166, SO4=<297, Tl=<6.2, V=101AB-4D (59-59.9): Shallow, pH=NA, Sb=NA, As=NA,Ba=NA, Be=NA, B=NA, Cd=NA, Cl=NA, Cr=NA, Co=NA,Fe=NA, Mn=NA, Mo=NA, Ni=NA, Se=NA, Sr=NA, SO4=NA,Tl=NA, V=NAAB-4SL (3.5-5): Ash, pH=5.8 j, Sb=<7.8, As=22.1, Ba=168,Be=1.5, B=<19.4, Cd=<0.93, Cl=<389, Cr=10, Co=5.2 j,Fe=5400, Mn=30.3, Mo=<3.9, Ni=10.7, Se=8.6, Sr=73.7,SO4=<389, Tl=<7.8, V=24.2AB-4SL (53.5-55.5): Shallow, pH=5.8 j, Sb=<7.4, As=6.4 j,Ba=214, Be=1, B=<18.6, Cd=<0.89, Cl=<361, Cr=4.7,Co=12, Fe=34000, Mn=670, Mo=<3.7, Ni=5.2, Se=<7.4,Sr=71, SO4=<361, Tl=<7.4, V=56.3AB-5BR (105-105): Bedrock, pH=6.7 j, Sb=<5.3, As=<5.3,Ba=97.9, Be=0.19 j, B=<13.1, Cd=<0.63, Cl=<248,Cr=11.6, Co=5 j, Fe=10900, Mn=163, Mo=<2.6, Ni=7.4,Se=<5.3, Sr=22.2, SO4=<248, Tl=<5.3, V=22AB-5D (3-5): Ash, pH=3.2 j, Sb=<6.6, As=<6.6, Ba=44.5,Be=0.24 j, B=<16.6, Cd=<0.8, Cl=<312, Cr=2.7, Co=<6.6,Fe=4330, Mn=18.5, Mo=<3.3, Ni=3, Se=<6.6, Sr=21.3,SO4=1710 j-, Tl=<6.6, V=4.9 jAB-5D (38-39): Ash, pH=6.7 j, Sb=<8.2, As=78.1, Ba=437,Be=2.3, B=<20.6, Cd=<0.99, Cl=<399, Cr=27.7, Co=22.4,Fe=36900, Mn=782, Mo=78.5, Ni=23.7, Se=11.5,Sr=129, SO4=542 j-, Tl=<8.2, V=109AB-5D (40-42): Ash, pH=6.6 j, Sb=<5.6, As=<5.6, Ba=176,Be=0.51, B=<13.9, Cd=<0.67, Cl=<279, Cr=81.2, Co=13,Fe=22800, Mn=233, Mo=<2.8, Ni=16.7, Se=<5.6,Sr=57.2, SO4=<279, Tl=<5.6, V=49.2AB-5D (54-55): Shallow, pH=5.3 j, Sb=<6.2, As=<6.2,Ba=98.3, Be=0.48, B=<15.6, Cd=<0.75, Cl=<319, Cr=7.8,Co=4.6 j, Fe=7500, Mn=136, Mo=<3.1, Ni=2.7, Se=<6.2,Sr=41, SO4=<319, Tl=<6.2, V=19.3AB-5D (64-66): Deep, pH=7.1 j, Sb=<5.6, As=<5.6,Ba=164, Be=0.35, B=<14, Cd=<0.67, Cl=<287, Cr=40.4,Co=14.7, Fe=19800, Mn=483, Mo=<2.8, Ni=9.6,Se=<5.6, Sr=59.2, SO4=<287, Tl=<5.6, V=51AB-6BR (3-5): Ash, pH=NA, Sb=NA, As=NA, Ba=NA,Be=NA, B=NA, Cd=NA, Cl=NA, Cr=NA, Co=NA, Fe=NA, Mn=NA,Mo=NA, Ni=NA, Se=NA, Sr=NA, SO4=NA, Tl=NA, V=NAAB-6BR (56-57.5): Shallow, pH=4.7 j, Sb=<5.5, As=8,Ba=1360, Be=0.59, B=<13.7, Cd=<0.66, Cl=<277, Cr=246,Co=29.5, Fe=37500, Mn=479, Mo=<2.7, Ni=182, Se=3.3 j,Sr=253, SO4=<277, Tl=<5.5, V=104AB-6BR (57.5-59): Shallow, pH=6.6 j, Sb=<5.7, As=8.5,Ba=1100, Be=0.38, B=<14.2, Cd=<0.68, Cl=<274, Cr=217,Co=33.6, Fe=32000, Mn=699, Mo=<2.8, Ni=182, Se=<5.7,Sr=295, SO4=<274, Tl=<5.7, V=83.5AB-6D (44-50.5): Ash/Fill, pH=6.5 j, Sb=<6.8, As=49.6,Ba=535, Be=2.1, B=16 j, Cd=<0.82, Cl=<352, Cr=74.1,Co=17.5, Fe=23100, Mn=176, Mo=<3.4, Ni=59.9, Se=8.3,Sr=226, SO4=<352, Tl=<6.8, V=86.9AB-6D (53-55): Shallow, pH=5.4 j, Sb=<7.2, As=6.2 j,Ba=942, Be=0.48, B=<18.1, Cd=<0.87, Cl=<354, Cr=172,Co=25.8, Fe=36600, Mn=549, Mo=<3.6, Ni=141,Se=<7.2, Sr=206, SO4=<354, Tl=<7.2, V=77.2AB-7D (3-5): Ash, pH=6.2 j, Sb=<6.4, As=56.1, Ba=250,Be=3.4, B=39.5, Cd=<0.77, Cl=<306, Cr=22.5, Co=13.5,Fe=5050, Mn=22.9, Mo=8.3, Ni=24.5, Se=17.9, Sr=168,SO4=2960 j-, Tl=<6.4, V=76.6AB-7D (19-20.5): Shallow, pH=5.3 j, Sb=<7.2, As=8, Ba=247,Be=1.5, B=<18, Cd=<0.86, Cl=<366, Cr=77.5, Co=10.9,Fe=32500, Mn=174, Mo=<3.6, Ni=38.3, Se=<7.2, Sr=102,SO4=<366, Tl=<7.2, V=103AB-7D (29-30.5): Shallow, pH=6.2 j, Sb=<8.7, As=5.5 j+,Ba=552 j+, Be=1.3, B=<21.8, Cd=<1, Cl=<414, Cr=9,Co=29.2 j+, Fe=34600 j+, Mn=575 j-, Mo=<4.4, Ni=21.3,Se=<8.7, Sr=208 j+, SO4=<414, Tl=<8.7, V=123 j+AB-8D (3-5): Ash, pH=4.0 j, Sb=<7.9, As=23.7,Ba=149, Be=1.3, B=<19.8, Cd=<0.95, Cl=<397,Cr=10.6, Co=4.4 j, Fe=6540, Mn=32.6, Mo=2.5 j, Ni=11,Se=7.4 j, Sr=55.8, SO4=275 j-, Tl=<7.9, V=24.1AB-8D (19-20.5): Ash, pH=6.8 j, Sb=<7.3, As=83.9,Ba=307, Be=2.4, B=31.2, Cd=<0.88, Cl=<354, Cr=28,Co=9.4, Fe=11200, Mn=174, Mo=<3.7, Ni=20.1,Se=8.5, Sr=186, SO4=<354, Tl=<7.3, V=66AB-8D (24-25.5): Shallow, pH=5.8 j, Sb=<6, As=<6,Ba=91.3, Be=0.91, B=<15.1, Cd=<0.72, Cl=<313,Cr=39.4, Co=8.9, Fe=23900, Mn=176, Mo=<3, Ni=11.3,Se=<6, Sr=28, SO4=<313, Tl=<6, V=53.1AB-8D (29-30.5): Shallow, pH=5.8 j, Sb=<6.6, As=4.8 j,Ba=121, Be=2, B=<16.6, Cd=<0.8, Cl=<322, Cr=36.2,Co=5.6 j, Fe=36300, Mn=180, Mo=<3.3, Ni=14.1,Se=<6.6, Sr=63.4, SO4=<322, Tl=<6.6, V=83.1AB-9BR (3.5-4.5): Shallow, pH=NA, Sb=NA, As=NA,Ba=NA, Be=NA, B=NA, Cd=NA, Cl=NA, Cr=NA, Co=NA,Fe=NA, Mn=NA, Mo=NA, Ni=NA, Se=NA, Sr=NA, SO4=NA,Tl=NA, V=NAAB-9BR (7.5-9): Shallow, pH=NA, Sb=NA, As=NA,Ba=NA, Be=NA, B=NA, Cd=NA, Cl=NA, Cr=NA, Co=NA,Fe=NA, Mn=NA, Mo=NA, Ni=NA, Se=NA, Sr=NA, SO4=NA,Tl=NA, V=NAAB-9BR (10-12): Shallow, pH=6.2 j, Sb=<6, As=4.8 j,Ba=426, Be=0.89, B=<15, Cd=<0.72, Cl=<294, Cr=405,Co=24.5, Fe=26200, Mn=460, Mo=<3, Ni=169, Se=<6,Sr=165, SO4=<294, Tl=<6, V=75.7AB-9BR (79-79): Bedrock, pH=8.1 j, Sb=<5, As=5.9,Ba=568, Be=0.42, B=<12.4, Cd=<0.59, Cl=<249,Cr=13.7, Co=6.3, Fe=15600, Mn=366, Mo=<2.5, Ni=15,Se=<5, Sr=43.5, SO4=<249, Tl=<5, V=33.8AB-10D (3-5): Ash, pH=6.9 j, Sb=<6.7, As=59.2,Ba=612, Be=2.8, B=15.1 j, Cd=<0.81, Cl=<342,Cr=34.8, Co=12.8, Fe=23900, Mn=185, Mo=<3.4,Ni=26.8, Se=5.6 j, Sr=266, SO4=<342, Tl=<6.7, V=94.3AB-10D (48-49): Shallow, pH=8.2 j, Sb=<6.5, As=74,Ba=234, Be=1.8, B=27.8, Cd=<0.79, Cl=<328, Cr=21,Co=6.4 j, Fe=8560, Mn=64.1, Mo=2.4 j, Ni=14.1,Se=7.4, Sr=156, SO4=<328, Tl=<6.5, V=48.6AB-10D (52-53): Shallow, pH=6.7 j, Sb=<6, As=<6,Ba=116, Be=0.75, B=<15, Cd=<0.72, Cl=<295,Cr=21.4, Co=13.8, Fe=22500, Mn=293, Mo=<3, Ni=8.5,Se=<6, Sr=33.1, SO4=<295, Tl=<6, V=48.5AB-10D (61-62): Deep, pH=8.2 j, Sb=<6.1, As=<6.1,Ba=174, Be=0.34, B=<15.1, Cd=<0.73, Cl=<291,Cr=25.6, Co=10.4, Fe=22800, Mn=455, Mo=<3,Ni=13.2, Se=<6.1, Sr=26.7, SO4=<291, Tl=<6.1, V=50AB-11D (3-5): Shallow, pH=6.2, Sb=<6.8, As=<6.8, Ba=106 j+,Be=0.69, B=<16.9, Cd=<0.81, Cl=<324, Cr=11.5, Co=7.1,Fe=16200 j-, Mn=363 j-, Mo=<3.4, Ni=6.5, Se=<6.8, Sr=22.9 j+,SO4=<324, Tl=<6.8, V=36.1AB-11D (4-5.5): Shallow, pH=5.8, Sb=<6.1, As=<6.1, Ba=40.4,Be=0.44, B=<15.3, Cd=<0.73, Cl=<293, Cr=9.1, Co=14.8,Fe=21900, Mn=255, Mo=<3.1, Ni=2.8, Se=<6.1, Sr=7.3,SO4=<293, Tl=<6.1, V=35.7AB-11D (12.3-13.8): Shallow, pH=6.3, Sb=<6.7, As=<6.7, Ba=79.9,Be=0.56, B=<16.7, Cd=<0.8, Cl=<326, Cr=13.4, Co=4.3 j,Fe=10000, Mn=185, Mo=<3.3, Ni=10.3, Se=<6.7, Sr=46.6,SO4=<326, Tl=<6.7, V=18.9AB-11D (12.5-15): Shallow, pH=NA, Sb=NA, As=NA, Ba=NA,Be=NA, B=NA, Cd=NA, Cl=NA, Cr=NA, Co=NA, Fe=NA, Mn=NA,Mo=NA, Ni=NA, Se=NA, Sr=NA, SO4=NA, Tl=NA, V=NAAB-12D (3-5): Ash, pH=NA, Sb=<6, As=<6, Ba=126 j+,Be=0.69, B=<15.1, Cd=<0.72, Cl=<295, Cr=27.7, Co=13.4,Fe=21700 j-, Mn=310 j+, Mo=<3, Ni=13.1, Se=<6, Sr=10.7,SO4=379 j-, Tl=<6, V=52.1AB-12D (44-45.5): Ash, pH=7.4, Sb=<8.3, As=52, Ba=251,Be=1.2, B=11.7 j, Cd=<0.99, Cl=<390, Cr=15.3, Co=5.6 j,Fe=7040, Mn=66, Mo=<4.1, Ni=11.5, Se=6.1 j, Sr=144,SO4=<390, Tl=<8.3, V=35.9AB-12D (49-50.5): Shallow, pH=5.2, Sb=<6.7, As=3.9 j,Ba=130, Be=0.27 j, B=<16.8, Cd=<0.8, Cl=<336, Cr=18.7,Co=4.6 j, Fe=8950, Mn=87.1, Mo=<3.4, Ni=9, Se=<6.7,Sr=33.4, SO4=<336, Tl=<6.7, V=34.7AB-13D (3-5): Ash, pH=6.2 j, Sb=<6.6, As=73, Ba=291,Be=2.9, B=19.9, Cd=<0.8, Cl=<324, Cr=25.1, Co=9.1,Fe=7780, Mn=98.4, Mo=<3.3, Ni=19.2, Se=<6.6, Sr=227,SO4=<324, Tl=<6.6, V=57AB-13D (59-60): Ash, pH=7.8, Sb=<8.6, As=17.7, Ba=193,Be=0.75, B=<21.5, Cd=<1, Cl=<417, Cr=9.7, Co=<8.6,Fe=5330, Mn=39.2, Mo=<4.3, Ni=7.2, Se=4.4 j, Sr=90.3,SO4=<417, Tl=<8.6, V=19.9AB-13D (63-64): Shallow, pH=5.9 j, Sb=<6.3, As=4.5 j,Ba=387, Be=0.73, B=<15.8, Cd=<0.76, Cl=<316, Cr=115,Co=16.1, Fe=30300, Mn=347, Mo=<3.2, Ni=82.4,Se=<6.3, Sr=95.8, SO4=<316, Tl=<6.3, V=67.5AB-13D (70-71): Shallow, pH=7.3 j, Sb=<5.7, As=4.3 j,Ba=651 j-, Be=0.38, B=<14.4, Cd=<0.69, Cl=<298,Cr=28.7 j-, Co=22.1, Fe=42500 j-, Mn=724 j-, Mo=<2.9,Ni=51.1 j-, Se=<5.7, Sr=100 j-, SO4=<298, Tl=<5.7, V=110AB-14D (3-5): Ash, pH=NA, Sb=NA, As=NA, Ba=NA,Be=NA, B=NA, Cd=NA, Cl=NA, Cr=NA, Co=NA, Fe=NA, Mn=NA,Mo=NA, Ni=NA, Se=NA, Sr=NA, SO4=NA, Tl=NA, V=NAAB-14D (34-35.5): Ash, pH=NA, Sb=NA, As=NA, Ba=NA,Be=NA, B=NA, Cd=NA, Cl=NA, Cr=NA, Co=NA, Fe=NA, Mn=NA,Mo=NA, Ni=NA, Se=NA, Sr=NA, SO4=NA, Tl=NA, V=NAAB-14D (39-40.5): Shallow, pH=5.8, Sb=<6.9, As=<6.9,Ba=87.8, Be=0.32 j, B=<17.2, Cd=<0.82, Cl=<336, Cr=11.8,Co=4.4 j, Fe=12000, Mn=123, Mo=<3.4, Ni=4.4, Se=<6.9,Sr=11.9, SO4=<336, Tl=<6.9, V=39AB-14D (44-45.5): Shallow, pH=6.4, Sb=<6.5, As=<6.5,Ba=126, Be=0.5, B=<16.3, Cd=<0.78, Cl=<322, Cr=3.2,Co=<6.5, Fe=10900, Mn=285, Mo=<3.3, Ni=1.4 j, Se=<6.5,Sr=16.1, SO4=<322, Tl=<6.5, V=21.2AB-15BR (104.5-104.5): Bedrock, pH=9.2 j, Sb=<4.8,As=<4.8, Ba=334, Be=<0.24, B=<12, Cd=<0.57, Cl=<245,Cr=20.7, Co=5.5, Fe=10800, Mn=214, Mo=<2.4, Ni=15.7,Se=<4.8, Sr=21.7, SO4=<245, Tl=<4.8, V=27.2AB-15D (3-5): Ash, pH=5.6 j, Sb=<8.2, As=52.9, Ba=290,Be=3.4, B=12 j, Cd=<0.99, Cl=<389, Cr=30.9, Co=11.5,Fe=13900, Mn=149, Mo=<4.1, Ni=21.6, Se=6.7 j, Sr=157,SO4=<389, Tl=<8.2, V=76.1AB-15D (43-44): Ash, , pH=7.1 j, Sb=<6.8, As=63.5, Ba=246,Be=2, B=19.3, Cd=<0.81, Cl=<334, Cr=21.6, Co=6.8 j,Fe=8650, Mn=50.9, Mo=<3.4, Ni=14.7, Se=13.7, Sr=146,SO4=<334, Tl=<6.8, V=47.9AB-15D (48-49): Shallow, pH=6.4, Sb=<7.7, As=4.2 j, Ba=649,Be=2, B=<19.2, Cd=<0.92, Cl=<378, Cr=81.3, Co=30.8,Fe=90500, Mn=1020, Mo=8.1, Ni=23.6, Se=<7.7, Sr=44.3,SO4=<378, Tl=<7.7, V=215AB-15D (54-55): Shallow, pH=6.7 j, Sb=<6.6, As=18.9, Ba=479,Be=1.5, B=<16.4, Cd=<0.79, Cl=<302, Cr=35.8, Co=22.5,Fe=46000, Mn=692, Mo=5.1, Ni=20.6, Se=<6.6, Sr=72,SO4=160 j-, Tl=<6.6, V=103AB-16D (3-5): Ash, pH=6.0 j, Sb=<5.9, As=<5.9, Ba=41.4,Be=0.34, B=4.1, Cd=<0.71, Cl=<292, Cr=5, Co=<5.9,Fe=5200, Mn=28.5, Mo=0.56 j, Ni=4.5, Se=<5.9, Sr=19.8,SO4=<292, Tl=<5.9, V=7.5AB-16D (5-6): Shallow, , pH=6.3 j, Sb=<8, As=<8, Ba=189,Be=2, B=<4, Cd=<0.96, Cl=<383, Cr=19.9, Co=18.2,Fe=29300, Mn=199, Mo=0.48 j, Ni=19.1, Se=<8, Sr=29.6,SO4=<383, Tl=<8, V=104AB-16D (12-14): Shallow, pH=6.5 j, Sb=<6.9, As=<6.9, Ba=363,Be=1.9, B=<3.4, Cd=<0.82, Cl=<338, Cr=61, Co=23,Fe=38900, Mn=394, Mo=1.4, Ni=20.1, Se=<6.9, Sr=41.2,SO4=<338, Tl=<6.9, V=148AB-16D (13-15): Shallow, pH=NA, Sb=NA, As=NA, Ba=NA,Be=NA, B=NA, Cd=NA, Cl=NA, Cr=NA, Co=NA, Fe=NA, Mn=NA,Mo=NA, Ni=NA, Se=NA, Sr=NA, SO4=NA, Tl=NA, V=NAAB-17D (3-5): Shallow, pH=5.6 j, Sb=<7.5, As=<7.5, Ba=161,Be=0.73, B=<18.7, Cd=<0.9, Cl=<385, Cr=10.5, Co=11,Fe=25900, Mn=548, Mo=<3.7, Ni=5.4, Se=<7.5, Sr=12.6,SO4=<385, Tl=<7.5, V=75.1AB-17D (22-23): Ash, pH=5.8 j, Sb=<7.3, As=28.8, Ba=179,Be=2.6, B=21.2, Cd=<0.87, Cl=<361, Cr=19.3, Co=10,Fe=5840, Mn=69.4, Mo=2 j, Ni=18.1, Se=11.4, Sr=116,SO4=189 j-, Tl=<7.3, V=52.6AB-17D (27-28): Shallow, pH=5.6 j, Sb=<8.8, As=<8.8, Ba=120,Be=0.28 j, B=<21.9, Cd=<1.1, Cl=<420, Cr=22.4, Co=5.5 j,Fe=18200, Mn=101, Mo=<4.4, Ni=7.7, Se=<8.8, Sr=5.7,SO4=<420, Tl=<8.8, V=92.8AB-17D (31-32): Shallow, pH=5.9 j, Sb=<7.8, As=<7.8, Ba=472,Be=2.6, B=<78.1, Cd=<0.94, Cl=<374, Cr=17.3, Co=13.1,Fe=45100, Mn=772, Mo=<3.9, Ni=27.2, Se=<7.8, Sr=9.1,SO4=<374, Tl=<7.8, V=160AB-18D (3-5): Ash, pH=NA, Sb=NA, As=NA, Ba=NA,Be=NA, B=NA, Cd=NA, Cl=NA, Cr=NA, Co=NA, Fe=NA, Mn=NA,Mo=NA, Ni=NA, Se=NA, Sr=NA, SO4=NA, Tl=NA, V=NAAB-18D (29-30): Shallow, pH=5.9 j, Sb=<6.1, As=<6.1, Ba=102,Be=0.8, B=<15.3, Cd=<0.73, Cl=<297, Cr=17.5, Co=8.6,Fe=14100, Mn=139, Mo=<3.1, Ni=6.7, Se=<6.1, Sr=6.7,SO4=<297, Tl=<6.1, V=33.8AB-18D (34-35.5): Shallow, pH=NA, Sb=NA, As=NA, Ba=NA,Be=NA, B=NA, Cd=NA, Cl=NA, Cr=NA, Co=NA, Fe=NA, Mn=NA,Mo=NA, Ni=NA, Se=NA, Sr=NA, SO4=NA, Tl=NA, V=NAAB-18D (39.5-41): Shallow, pH=NA, Sb=NA, As=NA, Ba=NA,Be=NA, B=NA, Cd=NA, Cl=NA, Cr=NA, Co=NA, Fe=NA, Mn=NA,Mo=NA, Ni=NA, Se=NA, Sr=NA, SO4=NA, Tl=NA, V=NAAB-20D (3-5): Ash, pH=7.4 j, Sb=<6.7, As=37.6, Ba=312,Be=3.3, B=56.9, Cd=0.63 j, Cl=<326, Cr=22.2, Co=12.4,Fe=10900, Mn=44, Mo=3.6, Ni=26, Se=24.8, Sr=309,SO4=5500, Tl=<6.7, V=78.1AB-20D (86-87): Ash, pH=7.1 j, Sb=<6.7, As=34.5, Ba=161,Be=0.98, B=11.7 j, Cd=<0.8, Cl=<329, Cr=10.8, Co=4.7 j,Fe=8900, Mn=60.7, Mo=<3.3, Ni=9.7, Se=3.5 j, Sr=95,SO4=270 j, Tl=<6.7, V=19.7AB-20D (91-92): Shallow, pH=5.6 j, Sb=<7.2, As=<7.2, Ba=239,Be=2.1, B=<18, Cd=<0.86, Cl=<352, Cr=32.9, Co=14.3,Fe=49400, Mn=368, Mo=<3.6, Ni=26.6, Se=<7.2, Sr=9.7,SO4=<352, Tl=<7.2, V=60.8AB-20D (96-97): Shallow, pH=6.5 j, Sb=<7, As=<7, Ba=492,Be=0.76, B=<17.4, Cd=<0.84, Cl=<342, Cr=47.8, Co=16.5,Fe=43700, Mn=585, Mo=<3.5, Ni=34.1, Se=<7, Sr=16,SO4=<342, Tl=<7, V=79.9AB-21D (14-15.5): Shallow, pH=6.3 j, Sb=<7.8, As=4.9 j, Ba=397,Be=0.93, B=<19.5, Cd=<0.94, Cl=<362, Cr=531, Co=27.1,Fe=28400, Mn=340, Mo=<3.9, Ni=203, Se=<7.8, Sr=64.4,SO4=<362, Tl=<7.8, V=64.1AB-21D (14-15.5): Shallow, pH=4.8 j, Sb=<10.1, As=5.1 j, Ba=131,Be=0.54, B=<25.1, Cd=<1.2, Cl=<494, Cr=23.5, Co=<10.1,Fe=5960, Mn=25, Mo=<5, Ni=9, Se=<10.1, Sr=65.2, SO4=690,Tl=<10.1, V=12.4AB-21D (14-15.5): Shallow, pH=6.5 j, Sb=<6.6, As=3.8 j, Ba=239,Be=0.48, B=<16.4, Cd=<0.79, Cl=<331, Cr=13.3, Co=13.3,Fe=22900, Mn=400, Mo=<3.3, Ni=10.1, Se=<6.6, Sr=19.4,SO4=<331, Tl=<6.6, V=90.8AL-1D (32-34): Shallow, pH=6.3 j-, Sb=<5.9, As=10.5, Ba=319,Be=2.4, B=<14.6, Cd=<0.7, Cl=<294, Cr=1 j, Co=6.4 j,Fe=26200, Mn=566, Mo=<2.9, Ni=1.5 j, Se=7.1, Sr=82.6,SO4=<294, Tl=<5.9, V=54AL-1D (38-40): Shallow, pH=4.8 j-, Sb=<7.6, As=3.9 j, Ba=288,Be=1.5, B=<19, Cd=<0.91, Cl=<375, Cr=1.3 j, Co=<15.2,Fe=22100, Mn=352, Mo=<3.8, Ni=1.3 j, Se=<7.6, Sr=71,SO4=<375, Tl=<7.6, V=41.8AL-1D (40-41): Shallow, pH=5.0 j-, Sb=<7.3, As=4.3 j, Ba=402,Be=3, B=<18.3, Cd=<0.88, Cl=<360, Cr=1.9, Co=7.4 j,Fe=27100, Mn=576, Mo=<3.7, Ni=1.9, Se=<7.3, Sr=119,SO4=<360, Tl=<7.3, V=52.3AL-1D (42-44): Shallow, pH=NA, Sb=NA, As=NA, Ba=NA,Be=NA, B=NA, Cd=NA, Cl=NA, Cr=NA, Co=NA, Fe=NA, Mn=NA,Mo=NA, Ni=NA, Se=NA, Sr=NA, SO4=NA, Tl=NA, V=NAAL-2BR (204-204): Bedrock, pH=7.0 j, Sb=<5, As=3.5 j,Ba=685, Be=0.14 j, B=<12.6, Cd=<0.61, Cl=<247,Cr=21.8, Co=8.4, Fe=29600, Mn=293, Mo=<2.5, Ni=12.4,Se=<5, Sr=51, SO4=<247, Tl=<5, V=73.5AL-2D (3-5): Ash, pH=6.5 j, Sb=<6.6, As=53.7, Ba=455,Be=4.1, B=21.9, Cd=<0.79, Cl=<314, Cr=33.5, Co=15.4,Fe=10400, Mn=79.8, Mo=12.7, Ni=35.4, Se=22.7, Sr=214,SO4=251 j-, Tl=<6.6, V=70.7AL-2D (86-88): Ash, pH=8.2 j, Sb=<6.4, As=113, Ba=344,Be=6.2, B=174, Cd=0.56 j, Cl=<322, Cr=42.6, Co=20.6,Fe=11600, Mn=65, Mo=2.3 j, Ni=37.2, Se=26.9, Sr=554,SO4=9150 j-, Tl=<6.4, V=139AL-2D (90-92): Shallow, pH=6.2 j, Sb=<6.6, As=6.3 j, Ba=258,Be=1.2, B=<66, Cd=<0.79, Cl=<318, Cr=97.9, Co=6.2 j,Fe=38400, Mn=162, Mo=<3.3, Ni=24.1, Se=4.5 j, Sr=94.8,SO4=<318, Tl=<6.6, V=82AL-2D (95-97): Shallow, pH=6.2 j, Sb=<6.1, As=<6.1,Ba=96.5, Be=0.62, B=<15.4, Cd=<0.74, Cl=<305, Cr=10.1,Co=11.3, Fe=11600, Mn=308, Mo=<3.1, Ni=4.4, Se=<6.1,Sr=31.9, SO4=<305, Tl=<6.1, V=20.4AL-3D (3-5): Ash, pH=6.3 j, Sb=<7, As=35.2, Ba=145,Be=2.8, B=21.3, Cd=<0.84, Cl=<337, Cr=24.1, Co=11.6,Fe=7090, Mn=37.4, Mo=10.4, Ni=19.9, Se=17.9, Sr=106,SO4=<337, Tl=<7, V=64.2AL-3D (110-112): Ash, pH=7.8 j, Sb=<6.2, As=61.2, Ba=321,Be=2.8, B=50.7, Cd=<0.75, Cl=<311, Cr=24.2, Co=10.3,Fe=10000, Mn=73.6, Mo=5, Ni=18.9, Se=13.6, Sr=286,SO4=4090 j-, Tl=<6.2, V=68.3AL-3D (118-120): Shallow, pH=5.8 j, Sb=<7.2, As=6 j, Ba=614,Be=1.7, B=<71.7, Cd=<0.86, Cl=<364, Cr=154, Co=34.8,Fe=46600, Mn=844, Mo=<3.6, Ni=138, Se=6 j, Sr=221,SO4=<364, Tl=<7.2, V=95.8AL-3D (124-126): Shallow, pH=5.8 j, Sb=<6.5, As=3.6 j, Ba=1530,Be=2.3, B=<64.8, Cd=<0.78, Cl=<316, Cr=348, Co=37.8,Fe=51600, Mn=1150, Mo=<3.2, Ni=281, Se=<6.5, Sr=331,SO4=<316, Tl=<6.5, V=95.4AL-4D (3-5): Ash, pH=6.6 j, Sb=<6.2, As=44.2, Ba=470,Be=3.8, B=13 j, Cd=<0.74, Cl=<303, Cr=41.9, Co=12.7,Fe=11100, Mn=110, Mo=11.2, Ni=32.4, Se=16.8, Sr=185,SO4=<303, Tl=<6.2, V=68.6AL-4D (77-79): Ash, pH=6.4 j, Sb=<6.7, As=88.4, Ba=268, Be=4.6,B=102, Cd=0.4 j, Cl=<322, Cr=31.3, Co=14.9,Fe=8220, Mn=27.2, Mo=12.5, Ni=28.3, Se=26.1, Sr=193,SO4=4990 j-, Tl=<6.7, V=88.3AL-4D (81.5-82.5): Shallow, pH=4.8 j, Sb=<6.7, As=4.5 j, Ba=716,Be=1.5, B=21.4, Cd=<0.81, Cl=<333, Cr=46.2, Co=17.3,Fe=49000, Mn=395, Mo=<3.4, Ni=32.2, Se=<6.7, Sr=183,SO4=1540 j-, Tl=<6.7, V=132AL-4D (87.5-89.5): Shallow, pH=5.2 j, Sb=<5.9, As=<5.9, Ba=636,Be=1.3, B=<59.3, Cd=<0.71, Cl=<287, Cr=19.5, Co=15.8,Fe=45100, Mn=528, Mo=<3, Ni=25, Se=<5.9, Sr=77.1,SO4=<287, Tl=<5.9, V=100BG-1D (18-19): Deep, pH=7.2 j, Sb=<5.5, As=3.4 j, Ba=86.7,Be=0.52, B=<68.6, Cd=<0.66, Cl=<267, Cr=48.1, Co=13,Fe=20400, Mn=279, Mo=<2.7, Ni=30.2, Se=<5.5, Sr=77.5,SO4=<267, Tl=<5.5, V=54.1BG-1S (1-2): Shallow, pH=5.4 j, Sb=<5.2, As=<5.2, Ba=65.6,Be=0.43, B=<13.1, Cd=<0.63, Cl=<261, Cr=78.5, Co=9.7,Fe=9950, Mn=290, Mo=<2.6, Ni=37, Se=<5.2, Sr=19.6,SO4=<261, Tl=<5.2, V=25.2BG-1S (4-5): Shallow, pH=5.8 j, Sb=<5.3, As=<5.3, Ba=45.7,Be=0.48, B=<13.3, Cd=<0.64, Cl=<262, Cr=101, Co=8.2,Fe=10900, Mn=201, Mo=<2.7, Ni=29.9, Se=<5.3, Sr=14.1,SO4=<262, Tl=<5.3, V=28.4BG-1S (8-9): Shallow, pH=5.9 j, Sb=<6.2, As=4.3 j, Ba=130 j-,Be=1.1, B=<15.4, Cd=<0.74, Cl=<303, Cr=134 j-, Co=14.4,Fe=27900 j-, Mn=243 j-, Mo=<3.1, Ni=62 j-, Se=<6.2,Sr=56.5 j-, SO4=<303, Tl=<6.2, V=73.1BG-1S (10-12): Shallow, pH=6.6 j, Sb=<5.7, As=<5.7, Ba=150,Be=0.83, B=<14.2, Cd=<0.68, Cl=<288, Cr=71.8, Co=20.6,Fe=27200, Mn=799, Mo=<2.8, Ni=54.2 j+, Se=<5.7, Sr=71,SO4=<288, Tl=<5.7, V=74.9BG-2BR (1-2): Shallow, pH=6.3 j-, Sb=<6.7, As=<6.7, Ba=63.2 j+,Be=0.29 j, B=<16.6, Cd=<0.8, Cl=<330, Cr=12.4, Co=<6.7,Fe=4960 j-, Mn=84.3 j-, Mo=<3.3, Ni=3.9, Se=<6.7, Sr=17.7 j+,SO4=<330, Tl=<6.7, V=24BG-2BR (2-3): Shallow, pH=6.5 j-, Sb=4.4 j, As=<6.9, Ba=107,Be=0.39, B=<17.4, Cd=<0.83, Cl=<327, Cr=19, Co=5.6 j,Fe=8280, Mn=63.9, Mo=<3.5, Ni=7.6, Se=4.4 j, Sr=30.4,SO4=<327, Tl=6.4 j, V=41.4BG-2BR (7-8): Shallow, pH=6.5 j-, Sb=<7.2, As=<7.2, Ba=289,Be=1.2, B=<18.1, Cd=<0.87, Cl=<351, Cr=13.5, Co=14.3,Fe=45400, Mn=378, Mo=<3.6, Ni=10.1, Se=<7.2, Sr=36.9,SO4=<351, Tl=<7.2, V=53BG-2BR (50-50): Bedrock, pH=7.0 j, Sb=<5.7, As=39.9, Ba=161,Be=0.2 j, B=<14.1, Cd=<0.68, Cl=<250, Cr=6.6, Co=9.6,Fe=19700, Mn=312, Mo=<2.8, Ni=3.8, Se=40.1, Sr=38.5,SO4=<250, Tl=<5.7, V=69.6BG-3D (1-2): Shallow, pH=6.1 j, Sb=<5.7, As=8.4, Ba=649,Be=1.3, B=<57.3, Cd=<0.69, Cl=<278, Cr=420, Co=27.4,Fe=37600, Mn=243, Mo=<2.9, Ni=237, Se=6.7, Sr=213,SO4=<278, Tl=<5.7, V=81.9BG-3D (10-12): Shallow, pH=7.5 j, Sb=<5.3, As=5.7, Ba=1030,Be=0.34, B=<52.9, Cd=<0.63, Cl=<262, Cr=406, Co=28,Fe=34300, Mn=412, Mo=<2.6, Ni=267, Se=3.7 j, Sr=200,SO4=<262, Tl=<5.3, V=83.3BG-3D (20-22): Shallow, pH=7.8 j, Sb=<5.2, As=3.4 j, Ba=1110,Be=0.33, B=<12.9, Cd=<0.62, Cl=<258, Cr=640, Co=23.8,Fe=29300, Mn=294, Mo=<2.6, Ni=292, Se=<5.2, Sr=127,SO4=<258, Tl=<5.2, V=66.6BG-3D (27-28): Shallow, pH=7.9 j, Sb=<5.2, As=<5.2, Ba=1670,Be=0.32, B=<52.2, Cd=<0.63, Cl=<255, Cr=625, Co=31.9,Fe=31500, Mn=298, Mo=<2.6, Ni=380, Se=<5.2, Sr=128,SO4=<255, Tl=<5.2, V=76.9BG-3D (39-40): Shallow, pH=7.4 j, Sb=<5.4, As=3.7 j, Ba=1340,Be=0.43, B=<13.5, Cd=<0.65, Cl=<262, Cr=660, Co=41.8,Fe=29200, Mn=329, Mo=<2.7, Ni=360, Se=<5.4, Sr=105,SO4=<262, Tl=<5.4, V=54.4BGSB-GWA-2 (2-4): Shallow, pH=4.2, Sb=0.12 j,B,M, As=0.52 j,B,Ba=270, Be=1.4, B=<15, Cd=<0.03, Cl=2.6 j,M, Cr=19, Co=28,Fe=44000 M, Mn=1300 M, Mo=<012 M, Ni=16, Se=0.39 j,Sr=7.8, SO4=36 M, Tl=0.54, V=140 MBGSB-GWA-2 (8-10): Shallow, pH=5.0, Sb=<0.5, As=0.58 B,Ba=140, Be=1.7, B=5.4 j, Cd=0.016 j, Cl=4 j,M, Cr=23, Co=32,Fe=59000, Mn=1200, Mo=<2, Ni=10, Se=<1.3, Sr=2.8, SO4=21,Tl=0.53, V=150BGSB-GWA-2 (13-15): Shallow, pH=5.0, Sb=<0.59, As=0.63 B,Ba=180, Be=1.6, B=<14, Cd=0.019 j, Cl=4.5 j, Cr=17, Co=45,Fe=43000, Mn=2600, Mo=<2.2, Ni=17, Se=<1.5, Sr=2.4,SO4=28, Tl=0.51, V=120BGSB-GWA-2 (18-20): Shallow, pH=5.0, Sb=<0.59, As=0.47 j,B,Ba=180, Be=1.5, B=1.6 j, Cd=0.031, Cl=3.9 j, Cr=15, Co=70,Fe=27000, Mn=1900, Mo=<2.2, Ni=10, Se=<1.5, Sr=5.3,SO4=18, Tl=0.75, V=120BGSB-GWA-4 (2-4): Shallow, pH=5.0, Sb=<0.63, As=2.9 B, Ba=26,Be=1.3, B=6.2 j, Cd=<0.032, Cl=<13, Cr=13, Co=3.2, Fe=53000,Mn=120, Mo=2.3 j, Ni=<12, Se=0.44 j, Sr=0.9 j, SO4=<13,Tl=0.32, V=120BGSB-GWA-4 (8-10): Shallow, pH=4.9, Sb=<0.63, As=1.5 B,Ba=62, Be=2.8, B=5.7 j, Cd=<0.031, Cl=<13, Cr=16, Co=6.4,Fe=61000, Mn=240, Mo=<11, Ni=<11, Se=0.49 j, Sr=<5.3,SO4=<13, Tl=0.23, V=150BGSB-GWA-4 (13-15): Shallow, pH=5.3, Sb=<0.59, As=0.44 j,B,Ba=230, Be=2.7, B=5.9 j, Cd=<0.03, Cl=<12, Cr=14, Co=36,Fe=56000, Mn=1700, Mo=<11, Ni=5.8 j, Se=0.38 j, Sr=<5.6,SO4=<12, Tl=0.58, V=140BGSB-GWA-4 (15-17): Shallow, pH=5.1, Sb=<0.64, As=1.8 B,Ba=72, Be=3.5, B=<14, Cd=<0.032, Cl=1.3 j, Cr=25, Co=23,Fe=51000, Mn=400, Mo=<11, Ni=<11, Se=0.55 j, Sr=<5.5,SO4=<13, Tl=0.19, V=170BGSB-GWA-4 (18-20): Shallow, pH=5.2, Sb=<0.56, As=0.94 B,Ba=140, Be=3.2, B=<15, Cd=0.11, Cl=<13, Cr=16, Co=41,Fe=65000, Mn=1200, Mo=<12, Ni=<12, Se=0.55 j, Sr=<6,SO4=<13, Tl=0.86, V=160BGSB-GWA-6 (2-4): Shallow, pH=5.2, Sb=0.24 j,B, As=2.1 B,Ba=20, Be=0.58, B=2.6 j, Cd=<0.03, Cl=<12, Cr=28, Co=2.9,Fe=22000, Mn=75, Mo=0.74 j, Ni=5.6, Se=0.34 j, Sr=3.4,SO4=<12, Tl=0.31, V=54BGSB-GWA-6 (8-10): Shallow, pH=5.2, Sb=<0.37, As=0.93 B,Ba=110, Be=1.1, B=1.5 j, Cd=<0.018, Cl=<12, Cr=6.9, Co=15,Fe=18000, Mn=400, Mo=1.1 j, Ni=6.7, Se=0.38 j, Sr=1.8,SO4=<12, Tl=0.63, V=29BGSB-GWA-6 (11-13): Shallow, pH=5.2, Sb=<0.54, As=1.9 B,Ba=99, Be=1.9, B=1.2 j, Cd=<0.027, Cl=1.3 j, Cr=21, Co=21,Fe=20000, Mn=270, Mo=0.83 j, Ni=9.6, Se=0.63 j, Sr=4.3,SO4=<13, Tl=1.6, V=86BGSB-GWA-6 (13-15): Shallow, pH=5.4, Sb=<0.46, As=0.68 B,Ba=33, Be=0.59, B=<2.6, Cd=0.051, Cl=<11, Cr=11, Co=40,Fe=6000, Mn=770, Mo=3.5, Ni=4.2, Se=<1.2, Sr=4.1,SO4=<11, Tl=0.32, V=5.4BGSB-GWA-6 (18-20): Shallow, pH=5.7, Sb=<0.42, As=0.25 j,B,Ba=11, Be=0.21, B=<2.6, Cd=<0.021, Cl=<11, Cr=0.38 j,Co=6.3, Fe=170, Mn=32, Mo=<2.1, Ni=1 j, Se=<1.1, Sr=2.6,SO4=<11, Tl=0.06 j, V=<1.1GWA-1S (50-52): Shallow, pH=NA, Sb=NA, As=NA, Ba=NA,Be=NA, B=NA, Cd=NA, Cl=NA, Cr=NA, Co=NA, Fe=NA, Mn=NA,Mo=NA, Ni=NA, Se=NA, Sr=NA, SO4=NA, Tl=NA, V=NAGWA-2D (16-17): Shallow, pH=5.0 j, Sb=<6.4, As=<6.4, Ba=258 j-,Be=0.73, B=<16.1, Cd=<0.77, Cl=<319, Cr=16.5, Co=28.2,Fe=30700 j-, Mn=1160 j-, Mo=<3.2, Ni=8.9 j-, Se=<6.4, Sr=4.6,SO4=172 j-, Tl=<6.4, V=112GWA-2D (21-22): Shallow, pH=5.2 j, Sb=<6.6, As=<6.6, Ba=246,Be=1.1, B=<16.6, Cd=<0.8, Cl=<325, Cr=14.6, Co=18.7,Fe=36700, Mn=633, Mo=<3.3, Ni=12.6, Se=4.4 j, Sr=5.1,SO4=<325, Tl=<6.6, V=118GWA-2D (46-47): Shallow, pH=6.3 j, Sb=<5.4, As=<5.4, Ba=262,Be=1.3, B=<13.4, Cd=<0.65, Cl=<264, Cr=78, Co=12, Fe=28600,Mn=583, Mo=<2.7, Ni=54, Se=<5.4, Sr=44.9, SO4=<264, Tl=<5.4,V=66.8GWA-3D (3-5): Shallow, pH=5.7 j, Sb=<6.2, As=<6.2, Ba=34.8 j+,Be=0.25, B=<3.1, Cd=<0.75, Cl=<303, Cr=6.9, Co=<6.2,Fe=17700 j-, Mn=78.9 j+, Mo=<0.62, Ni=0.92, Se=<6.2, Sr=1.1,SO4=<303, Tl=<6.2, V=55 j-GWA-3D (10-12): Shallow, pH=6.7 j, Sb=<6.1, As=<6.1, Ba=140,Be=0.56, B=<3.1, Cd=<0.74, Cl=<315, Cr=4.7, Co=6.3,Fe=16300, Mn=641, Mo=<0.61, Ni=1.1, Se=<6.1, Sr=7.6,SO4=<315, Tl=<6.1, V=29GWA-3D (25-28): Shallow, pH=7.3 j, Sb=<5.8, As=<5.8, Ba=108,Be=0.24, B=<2.9, Cd=<0.7, Cl=<282, Cr=3.6, Co=5.1 j,Fe=17200, Mn=434, Mo=0.74, Ni=1.5, Se=<5.8, Sr=4.3,SO4=<282, Tl=<5.8, V=27.1GWA-4D (52-53): Shallow, pH=6.2 j, Sb=<6, As=<6, Ba=345 j+,Be=1.8 j-, B=<59.8, Cd=<0.72, Cl=<293, Cr=15, Co=23.2 j-,Fe=42300 j-, Mn=810 j-, Mo=<3, Ni=7.1 j-, Se=<6, Sr=16.5,SO4=<293, Tl=<6, V=128 j-GWA-4D (56.5-57.5): Shallow, pH=6.0 j, Sb=<6.5, As=<6.5,Ba=87.4, Be=1.4, B=<16.1, Cd=<0.78, Cl=<310, Cr=4.7, Co=6.1j, Fe=13100, Mn=568, Mo=<3.2, Ni=1.8, Se=<6.5, Sr=7.9,SO4=<310, Tl=<6.5, V=44.2GWA-4D (61-62): Shallow, pH=6.6 j, Sb=<5.2, As=<5.2, Ba=134,Be=0.5, B=<13.1, Cd=<0.63, Cl=<265, Cr=7.5, Co=7.1,Fe=18200, Mn=426, Mo=<2.6, Ni=3.3, Se=<5.2, Sr=8.8,SO4=<265, Tl=<5.2, V=44.1GWA-5D (27.5-29): Shallow, pH=5.8 j, Sb=<7.9, As=<7.9, Ba=490,Be=2.6, B=<19.7, Cd=<0.94, Cl=<384, Cr=3.1, Co=8.3,Fe=31500, Mn=509, Mo=<3.9, Ni=4.5, Se=<7.9, Sr=60.7,SO4=<384, Tl=<7.9, V=67.7GWA-5D (36.4-36.4): Bedrock, pH=6.6 j, Sb=<5.4, As=3.1 j,Ba=70.3, Be=0.18, B=<2.7, Cd=<0.64, Cl=<269, Cr=1.2, Co=3.2 j,Fe=12600, Mn=159, Mo=<0.54, Ni=1, Se=<5.4, Sr=14.3,SO4=<269, Tl=<5.4, V=23.2GWA-6D (39-40.5): Shallow, pH=6.3 j-, Sb=<6.1, As=<6.1, Ba=111,Be=1.1, B=<15.3, Cd=<0.74, Cl=<311, Cr=2.1, Co=<6.1,Fe=12500, Mn=215, Mo=<3.1, Ni=1.4 j, Se=<6.1, Sr=9.1,SO4=<311, Tl=<6.1, V=11.2GWA-6D (44-45.5): Shallow, pH=6.9 j-, Sb=<5.9, As=<5.9, Ba=38,Be=0.38, B=<14.7, Cd=<0.7, Cl=<296, Cr=<1.5, Co=<5.9,Fe=3400, Mn=78.1, Mo=<2.9, Ni=<1.5, Se=<5.9, Sr=3.2,SO4=<296, Tl=<5.9, V=<5.9GWA-7S (12-13): Shallow, pH=6.6 j, Sb=<6.6, As=<6.6, Ba=138,Be=1, B=<16.6, Cd=<0.8, Cl=<319, Cr=176, Co=13.4, Fe=21100,Mn=103, Mo=<3.3, Ni=62.7, Se=<6.6, Sr=38.8, SO4=<319,Tl=<6.6, V=83.1GWA-7S (16-17): Shallow, pH=6.6 j, Sb=<6.8, As=7.8, Ba=160,Be=<0.34, B=<68.2, Cd=<0.82, Cl=<331, Cr=31.6, Co=13.4,Fe=43600, Mn=679, Mo=<3.4, Ni=34.8, Se=<6.8, Sr=8.9,SO4=<331, Tl=<6.8, V=23.7GWA-8D (28.5-30): Shallow, pH=6.5 j, Sb=<5.5, As=<5.5, Ba=198,Be=0.91, B=<2.7, Cd=<0.66, Cl=<274, Cr=17.3, Co=10.2,Fe=27800, Mn=348, Mo=<0.55, Ni=8.1, Se=<5.5, Sr=38.9,SO4=<274, Tl=<5.5, V=66.9GWA-8D (33.5-35): Shallow, pH=6.9 j, Sb=<6.3, As=<6.3, Ba=194,Be=0.68, B=<3.2, Cd=<0.76, Cl=<309, Cr=19, Co=10.2, Fe=28600,Mn=442, Mo=<0.63, Ni=8.3, Se=<6.3, Sr=34.8, SO4=<309,Tl=<6.3, V=70.4GWA-9BR (3-5): Shallow, pH=6.0 j-, Sb=<5.4, As=<5.4, Ba=16.2,Be=0.18 j, B=<13.5, Cd=<0.65, Cl=<272, Cr=5.3, Co=<5.4,Fe=2020, Mn=7.9, Mo=<2.7, Ni=<1.4, Se=<5.4, Sr=<2.7,SO4=<272, Tl=<5.4, V=27GWA-9BR (7-9): Shallow, pH=7.2, Sb=<6.1, As=<6.1, Ba=77.5,Be=0.65, B=<15.2, Cd=<0.73, Cl=<293, Cr=5.8, Co=3.1 j,Fe=11600, Mn=123, Mo=<3, Ni=1.5 j, Se=<6.1, Sr=14.6,SO4=<293, Tl=<6.1, V=30.2GWA-9BR (22-24): Shallow, pH=7.6, Sb=<5.7, As=<5.7, Ba=164,Be=0.35, B=<14.2, Cd=<0.68, Cl=<272, Cr=2.6, Co=5.1 j,Fe=14600, Mn=393, Mo=<2.8, Ni=2.3, Se=<5.7, Sr=7.6,SO4=<272, Tl=<5.7, V=36.8MW-14BR (31.5-33): Shallow, pH=6.0 j, Sb=<6.5, As=<6.5,Ba=828, Be=6.3, B=<3.3, Cd=<0.78, Cl=<329, Cr=61.9,Co=16.8, Fe=50400, Mn=421, Mo=3, Ni=45.2, Se=<6.5,Sr=19.1, SO4=<329, Tl=<6.5, V=128MW-14BR (36.5-38): Shallow, pH=6.4 j, Sb=<6, As=<6,Ba=497, Be=1.5, B=4.8, Cd=<0.72, Cl=<282, Cr=39.5,Co=14.8, Fe=57800, Mn=218, Mo=12.9, Ni=23.5, Se=<6,Sr=65.5, SO4=216 j, Tl=<6, V=145MW-14BR (40-41.5): Shallow, pH=7.1 j, Sb=<5.7, As=<5.7,Ba=401, Be=2.3, B=3.5, Cd=<0.69, Cl=<289, Cr=41.7,Co=20.8, Fe=51200, Mn=399, Mo=10.8, Ni=14.6,Se=<5.7, Sr=31.8, SO4=146 j, Tl=<5.7, V=231MW-14BR (53-53): Shallow, pH=6.8 j, Sb=<5.4, As=<5.4,Ba=250, Be=0.05 j, B=<2.7, Cd=<0.65, Cl=<262, Cr=46.8,Co=25.6, Fe=18700, Mn=194, Mo=0.63, Ni=22.3,Se=<5.4, Sr=29.8, SO4=<262, Tl=<5.4, V=37OB-1 (42-43): Shallow, pH=5.7 j, Sb=<6.1, As=10.3,Ba=282, Be=1.8, B=<15.2, Cd=<0.73, Cl=<308, Cr=4.7,Co=11.1, Fe=38100, Mn=512, Mo=<3, Ni=7.5, Se=6 j,Sr=32, SO4=<308, Tl=<6.1, V=65.3OB-1 (48-49): Shallow, pH=5.8 j, Sb=<6, As=15.3,Ba=280, Be=1.8, B=<15.2, Cd=<0.72, Cl=<306, Cr=4.4,Co=12.3, Fe=34200, Mn=604, Mo=<3, Ni=5.3, Se=9.6,Sr=36.4, SO4=<306, Tl=<6, V=55.5OB-1 (68.5-69.5): Shallow, pH=6.4 j, Sb=<5.7, As=3.2 j,Ba=75.6, Be=1.3, B=<14.2, Cd=<0.68, Cl=<286,Cr=2.3, Co=<5.7, Fe=8910, Mn=164, Mo=<2.8, Ni=1.5,Se=<5.7, Sr=28.4, SO4=<286, Tl=<5.7, V=12.1SB-1 (13.5-14.5): Shallow, pH=4.6 j-, Sb=<6.2, As=<6.2,Ba=170, Be=1.4, B=<15.5, Cd=<0.74, Cl=<301, Cr=13.6,Co=8.7 j, Fe=23200, Mn=438, Mo=<3.1, Ni=8.1, Se=<6.2,Sr=26.9, SO4=<301, Tl=<6.2, V=48.2SB-1 (33-34): Shallow, pH=5.0 j-, Sb=<7.6, As=<7.6,Ba=75.3, Be=0.7, B=<19, Cd=<0.91, Cl=<361, Cr=20.1,Co=<15.2, Fe=46300, Mn=242, Mo=<3.8, Ni=4.3,Se=<7.6, Sr=30.1, SO4=<361, Tl=<7.6, V=82.4SB-2 (3-5): Ash, pH=6.3 j, Sb=<6.6, As=62.3, Ba=493 j+,Be=4 j+, B=17.7, Cd=<0.79, Cl=<335, Cr=22.4, Co=12,Fe=8890 j+, Mn=118 j+, Mo=9.7, Ni=21.5, Se=17.7, Sr=185j+, SO4=<335, Tl=<6.6, V=59.6SB-2 (58-59): Ash, pH=6.2 j, Sb=<8.1, As=40.6, Ba=125,Be=4.5, B=39.3, Cd=<0.98, Cl=<392, Cr=16.3, Co=10,Fe=4300, Mn=23.4, Mo=10.3, Ni=20.9, Se=20.8, Sr=104,SO4=2710 j-, Tl=<8.1, V=45SB-2 (67.5-68.5): Shallow, pH=5.3 j, Sb=<6.1, As=<6.1,Ba=85.8, Be=0.37, B=22.3, Cd=<0.73, Cl=<316, Cr=14,Co=4.2 j, Fe=12100, Mn=115, Mo=<3, Ni=4.2, Se=<6.1,Sr=23.7, SO4=969 j-, Tl=<6.1, V=38.4SB-2 (73-74): Shallow, pH=4.1 j, Sb=<6.1, As=3.2 j, Ba=120,Be=1.1, B=12 j, Cd=<0.74, Cl=<314, Cr=2.3, Co=4.3 j,Fe=15600, Mn=212, Mo=<3.1, Ni=2.6, Se=<6.1, Sr=11.2,SO4=1040 j-, Tl=<6.1, V=28.6SB-3 (3-5): Ash, pH=6.3 j, Sb=<6.3, As=54, Ba=301,Be=3.1, B=19.2, Cd=<0.75, Cl=<321, Cr=23.3, Co=11.4,Fe=9060, Mn=81, Mo=6.6, Ni=20, Se=17.3, Sr=165,SO4=<321, Tl=<6.3, V=67.6SB-3 (72.5-74.5): Ash, pH=8.3 j, Sb=<7.4, As=81.8, Ba=361,Be=3.6, B=38, Cd=<0.89, Cl=<363, Cr=36.9, Co=12.8,Fe=10100, Mn=71.3, Mo=<3.7, Ni=26.5, Se=10.5, Sr=296,SO4=<363, Tl=<7.4, V=83SB-3 (79-80): Shallow, pH=5.9 j, Sb=<6.2, As=<6.2, Ba=141,Be=0.41, B=<15.5, Cd=<0.74, Cl=<317, Cr=16.2, Co=<6.2,Fe=13300, Mn=96, Mo=<3.1, Ni=5.1, Se=<6.2, Sr=27.1,SO4=<317, Tl=<6.2, V=56.7SB-3 (86-87): Shallow, pH=7.0 j, Sb=<6.9, As=<6.9, Ba=42.9,Be=0.32 j, B=<17.3, Cd=<0.83, Cl=<332, Cr=<1.7, Co=<6.9,Fe=5670, Mn=140, Mo=<3.5, Ni=1.2 j, Se=<6.9, Sr=7.9,SO4=<332, Tl=<6.9, V=<6.9SB-4 (3-5): Ash, pH=7.5 j, Sb=<8.5, As=35.5, Ba=197,Be=2.9, B=48.6, Cd=<1, Cl=<402, Cr=22.6, Co=10.3,Fe=13000, Mn=52.3, Mo=<4.3, Ni=19.7, Se=18.7, Sr=171,SO4=1770 j-, Tl=<8.5, V=70.2SB-4 (43-45): Ash, pH=7.2 j, Sb=<7.3, As=50.5, Ba=211,Be=3.1, B=102, Cd=<0.88, Cl=<367, Cr=20.2, Co=10.2,Fe=6990, Mn=33.5, Mo=9.6, Ni=21.9, Se=22.6, Sr=179,SO4=3970 j-, Tl=<7.3, V=55.5SB-4 (50-51): Shallow, pH=4.2 j, Sb=<6.5, As=<6.5, Ba=101,Be=0.79, B=35.6, Cd=<0.78, Cl=<313, Cr=2.9, Co=12.7,Fe=18100, Mn=660, Mo=<3.2, Ni=3.9, Se=<6.5, Sr=13,SO4=843 j-, Tl=<6.5, V=38.7SB-4 (57-58): Shallow, pH=5.0 j, Sb=<8.1, As=<8.1, Ba=225,Be=1.7, B=10.6 j, Cd=<0.97, Cl=<382, Cr=4.3, Co=33.5,Fe=15500, Mn=1210, Mo=<4, Ni=6.8, Se=<8.1, Sr=13.5,SO4=221 j-, Tl=<8.1, V=46.8SB-5 (3-5): Ash, pH=7.5 j, Sb=<7.4, As=70.1, Ba=224,Be=3.4, B=75.6, Cd=<0.89, Cl=<366, Cr=31.2, Co=13.6,Fe=9450, Mn=37.3, Mo=<3.7, Ni=25.9, Se=22.3, Sr=299,SO4=2120 j-, Tl=<7.4, V=76SB-5 (45.5-46.5): Ash, pH=6.9 j, Sb=<6.8, As=41.7, Ba=213,Be=3.2, B=115, Cd=<0.82, Cl=<338, Cr=24.2, Co=12,Fe=8470, Mn=35.8, Mo=8.7, Ni=23.9, Se=21.3, Sr=187,SO4=5270 j-, Tl=<6.8, V=69.7SB-5 (49-50): Shallow, pH=5.5 j, Sb=<7, As=<7, Ba=67.9,Be=0.27 j, B=<17.4, Cd=<0.84, Cl=<345, Cr=7.2, Co=7.4,Fe=13300, Mn=342, Mo=<3.5, Ni=6.7, Se=<7, Sr=<3.5,SO4=<345, Tl=<7, V=31.7SB-5 (58-59): Shallow, pH=5.0 j, Sb=<7.2, As=<7.2, Ba=83.7,Be=0.59, B=<18.1, Cd=<0.87, Cl=<378, Cr=6.2, Co=38.8,Fe=17300, Mn=1560, Mo=<3.6, Ni=10.9, Se=<7.2, Sr=<3.6,SO4=<378, Tl=<7.2, V=31.9SB-7 (3-5): Ash, pH=7.0 j, Sb=<6, As=53.9, Ba=303,Be=2.8, B=51, Cd=<0.73, Cl=<296, Cr=20.5, Co=10, Fe=7110,Mn=31.7, Mo=<3, Ni=20.9, Se=21.1, Sr=194, SO4=5190 j-,Tl=<6, V=57.9SB-7 (53-54): Ash, pH=5.2 j, Sb=<6.2, As=4.6 j, Ba=64, Be=0.4,B=<15.5, Cd=<0.74, Cl=<311, Cr=20.6, Co=6.8, Fe=17500,Mn=105, Mo=<3.1, Ni=7.2, Se=<6.2, Sr=24.9, SO4=171 j-,Tl=<6.2, V=45.8SB-7 (57.5-59.5): Ash, pH=6.2 j, Sb=<7, As=56.7, Ba=407,Be=4.3, B=44.7, Cd=<0.84, Cl=<345, Cr=26, Co=16, Fe=9780,Mn=38.2, Mo=13, Ni=28, Se=25.6, Sr=264, SO4=3900, Tl=<7,V=72.6SB-7 (70-71): Shallow, pH=4.9 j, Sb=<6.2, As=<6.2, Ba=85.3,Be=0.29 j, B=<15.5, Cd=<0.74, Cl=<307, Cr=25.3, Co=5.1 j,Fe=9020, Mn=86, Mo=<3.1, Ni=9.5, Se=<6.2, Sr=4.4,SO4=406, Tl=<6.2, V=50.1SB-8 (3-5): Ash, pH=6.3 j, Sb=<6.8, As=62.2, Ba=304,Be=3.3, B=18.3, Cd=<0.81, Cl=<337, Cr=20.8, Co=11.3,Fe=8540, Mn=46.1, Mo=9.8, Ni=20.9, Se=21.4, Sr=166,SO4=<337, Tl=<6.8, V=68.1SB-8 (25-26): Ash, pH=5.6 j, Sb=<7.1, As=60.4, Ba=277,Be=3.6, B=40.9, Cd=<0.85, Cl=<348, Cr=20.1, Co=16,Fe=7790, Mn=35.5, Mo=18.7, Ni=32.2, Se=30, Sr=156,SO4=872, Tl=<7.1, V=60.7SB-8 (31-32): Shallow, pH=4.1 j, Sb=<6.8, As=<6.8, Ba=284,Be=1.2, B=10.2 j, Cd=<0.82, Cl=<348, Cr=27, Co=17.8,Fe=40100, Mn=785, Mo=<3.4, Ni=26.9, Se=<6.8, Sr=10,SO4=2950, Tl=<6.8, V=73.3SB-10 (3-5): Ash, pH=7.9 j, Sb=<8, As=30.3, Ba=188,Be=1.4, B=<20.1, Cd=<0.97, Cl=<389, Cr=18.3, Co=7.4 j,Fe=13300, Mn=70, Mo=2.8 j, Ni=16.6, Se=4.9 j, Sr=90.5,SO4=<389, Tl=<8, V=29.4SB-10 (17.5-19.5): Ash, pH=7.6 j, Sb=<7.2, As=127, Ba=360,Be=4.4, B=36.5, Cd=0.6 j, Cl=<359, Cr=38.7, Co=15.6,Fe=12600, Mn=86.6, Mo=3.3 j, Ni=30.7, Se=11.9, Sr=283,SO4=<359, Tl=<7.2, V=96.8SB-10 (25-26): Shallow, pH=4.7 j, Sb=<6.2, As=4 j, Ba=33.7,Be=4, B=<15.4, Cd=<0.74, Cl=<318, Cr=16.9, Co=24.7,Fe=78800, Mn=131, Mo=3.1 j, Ni=36.5, Se=<6.2, Sr=11.1,SO4=<318, Tl=<6.2, V=173SB-10 (30-31): Shallow, pH=6.2 j, Sb=<6.3, As=<6.3, Ba=96.9,Be=2.5, B=<15.8, Cd=<0.76, Cl=<316, Cr=34, Co=27.3,Fe=59400, Mn=197, Mo=<3.2, Ni=23.7, Se=<6.3, Sr=16.7,SO4=<316, Tl=<6.3, V=129SB-11 (3-5): Ash, pH=4.8 j, Sb=<9.4, As=18.2, Ba=126,Be=1.4, B=<23.4, Cd=<1.1, Cl=<453, Cr=16, Co=6.2 j,Fe=8720, Mn=35.7, Mo=<4.7, Ni=13.5, Se=17.6, Sr=62.2,SO4=<453, Tl=<9.4, V=27.1SB-11 (28-30): Ash, pH=5.4 j, Sb=<6.8, As=19.7, Ba=41.8,Be=0.29 j, B=<17, Cd=<0.82, Cl=<343, Cr=3.4, Co=<6.8,Fe=3560, Mn=11.1, Mo=<3.4, Ni=4.3, Se=<6.8, Sr=24.3,SO4=205 j-, Tl=<6.8, V=6.7 jSB-11 (31-33): Shallow, pH=6.1 j, Sb=<7, As=<7, Ba=45,Be=0.53, B=<17.5, Cd=<0.84, Cl=<333, Cr=5.9, Co=<7,Fe=9840, Mn=97.8, Mo=<3.5, Ni=1.9, Se=<7, Sr=7.5,SO4=<333, Tl=<7, V=14.5SB-11 (38-40): Shallow, pH=6.4 j, Sb=<6.8, As=<6.8, Ba=95.5,Be=0.54, B=<16.9, Cd=<0.81, Cl=<341, Cr=1.6 j, Co=<6.8,Fe=4370, Mn=100, Mo=<3.4, Ni=<1.7, Se=<6.8, Sr=11,SO4=<341, Tl=<6.8, V=5.5 jSB-13 (3-5): Ash, pH=6.4 j-, Sb=2.3 j, As=105, Ba=279,Be=5.8, B=51.9, Cd=0.53, Cl=<372, Cr=35.8, Co=17.6,Fe=6750, Mn=53, Mo=1.1, Ni=26, Se=16.1, Sr=250,SO4=<372, Tl=<4, V=113SB-13 (11.4-12.1): Ash, pH=6.4 j-, Sb=<3.7, As=43.5,Ba=115, Be=1.8, B=26.7, Cd=<0.45, Cl=<369, Cr=16.5,Co=9.6, Fe=5620, Mn=27.9, Mo=6, Ni=15, Se=10.7,Sr=101, SO4=897, Tl=<3.7, V=53.6SB-13 (15.4-16.1): Shallow, pH=5.0 j-, Sb=<3.9, As=3.1 j,Ba=358 j-, Be=1.8, B=<39.1, Cd=<0.47, Cl=<375, Cr=18.7,Co=13, Fe=41200, Mn=523 j+, Mo=<0.78, Ni=14.5, Se=2.6j, Sr=90.4 j-, SO4=342 j, Tl=<3.9, V=90.8SB-13 (20-20.8): Shallow, pH=5.0 j-, Sb=<3.7, As=4.7,Ba=380, Be=1.8, B=1.9 j, Cd=<0.44, Cl=<364, Cr=17.7,Co=15.5, Fe=43100, Mn=399, Mo=<0.74, Ni=17.7, Se=3.6j, Sr=104, SO4=282 j, Tl=<3.7, V=99.8SB-14 (3-5): Ash, pH=7.0 j, Sb=<8.5, As=19.1, Ba=130,Be=0.6, B=<21.1, Cd=<1, Cl=<399, Cr=10.8, Co=<8.5,Fe=9540, Mn=54.4, Mo=7, Ni=10.7, Se=<8.5, Sr=59.8,SO4=271 j-, Tl=<8.5, V=16.4SB-14 (22-24): Ash, pH=7.8 j-, Sb=<8.8, As=25.1, Ba=159 j+,Be=0.99, B=24.8, Cd=<1.1, Cl=<443, Cr=10.8, Co=<8.8,Fe=6380 j+, Mn=41.3, Mo=3.2 j, Ni=8.2, Se=6.5 j-, Sr=103 j+,SO4=362 j, Tl=<8.8, V=21.2SB-14 (28.5-29.5): Ash, pH=7.9 j, Sb=<10.7, As=207, Ba=168,Be=1.4, B=28.9, Cd=<1.3, Cl=<507, Cr=16.9, Co=6.4 j,Fe=7320, Mn=73.8, Mo=105, Ni=13.2, Se=11.1, Sr=137,SO4=731 j-, Tl=<10.7, V=36.6SB-14 (35-36): Shallow, pH=6.1 j, Sb=<7.4, As=4.6 j, Ba=193,Be=2.3, B=<18.4, Cd=<0.88, Cl=<357, Cr=59.3, Co=29.7,Fe=35800, Mn=752, Mo=3.5 j, Ni=47.3, Se=<7.4, Sr=20.2,SO4=<357, Tl=<7.4, V=77.8SB-15 (3-5): Ash, pH=4.5 j, Sb=<6, As=87.7, Ba=165 j+,Be=1.4, B=11.1 j, Cd=<0.72, Cl=<288, Cr=31 j-, Co=6.5,Fe=23500 j-, Mn=38.1 j+, Mo=10.2, Ni=19.7, Se=10.3,Sr=109 j+, SO4=1680 j-, Tl=<6, V=62.3SB-15 (82.5-83.5): Ash, pH=7.8 j, Sb=<8.3, As=39.7, Ba=390,Be=2.2, B=16.4 j, Cd=<1, Cl=<405, Cr=21, Co=10, Fe=13300,Mn=105, Mo=<4.2, Ni=18, Se=7.8 j, Sr=282, SO4=<405,Tl=<8.3, V=48.1SB-15 (86.5-87.5): Shallow, pH=6.2 j, Sb=<6.9, As=3.5 j,Ba=135, Be=1.3, B=<17.3, Cd=<0.83, Cl=<347, Cr=18.7,Co=8.7, Fe=24800, Mn=215, Mo=<3.5, Ni=8.5, Se=<6.9,Sr=35.3, SO4=<347, Tl=<6.9, V=57.9SB-15 (92-93): Shallow, pH=2.9 j, Sb=<6, As=7, Ba=187,Be=0.32, B=<15.1, Cd=<0.72, Cl=<314, Cr=2.2, Co=5 j,Fe=20600, Mn=346, Mo=<3, Ni=2.2, Se=5.9 j, Sr=53.2,SO4=1140 j-, Tl=<6, V=48.1S-2, Sb=<6.8, As=4.4 j, Ba=71.2 j-, Be=0.63 j-, B=11.4 j, Cd=<0.82, Cl=<332, Cr=9.5j-, Co=17.3, Fe=8040 j-, Mn=153 j-, Mo=0.68 j-, Ni=2.8, Se=4.8 j, Sr=9, SO4=197 j,Tl=<6.8, V=27SW-06, Sb=<7.2, As=<7.2, Ba=128, Be=0.93,B=<18.1, Cd=<0.87, Cl=<353, Cr=45.6, Co=11.3,Fe=16600, Mn=115, Mo=<3.6, Ni=18.7, Se=4.1 j,Sr=38, SO4=<353, Tl=<7.2, V=59.7STRUCTURAL FILL BOUNDARY104NPDES OUTFALL 003GWA-1BR (8-10): Shallow, pH=5.8 j-, Sb=<5.7, As=<5.7,Ba=128, Be=1.9, B=<14.3, Cd=<0.69, Cl=<302, Cr=6,Co=9.1, Fe=16000, Mn=529, Mo=<2.9, Ni=5.3, Se=<5.7,Sr=19.8, SO4=<302, Tl=<5.7, V=30.4GWA-1BR (14-15.5): Shallow, pH=NA, Sb=NA, As=NA,Ba=NA, Be=NA, B=NA, Cd=NA, Cl=NA, Cr=NA, Co=NA,Fe=NA, Mn=NA, Mo=NA, Ni=NA, Se=NA, Sr=NA, SO4=NA,Tl=NA, V=NAGWA-1BR (18-20): Shallow, pH=7.0 j-, Sb=<6.2, As=<6.2,Ba=118, Be=1.4, B=<15.5, Cd=<0.74, Cl=<297, Cr=13.4,Co=7.1, Fe=18100, Mn=192, Mo=<3.1, Ni=9.5, Se=<6.2,Sr=12.2, SO4=<297, Tl=<6.2, V=46.7GWA-1BR (92-94): Shallow, pH=8.1 j-, Sb=<7.1, As=<7.1,Ba=235, Be=0.74, B=<17.8, Cd=<0.86, Cl=<337, Cr=11.5,Co=12.2, Fe=29000, Mn=588, Mo=<3.6, Ni=6.5, Se=<7.1,Sr=37.7, SO4=<337, Tl=<7.1, V=83.4GWA-1BR (99-99): Deep, pH=7.3 j, Sb=<5.8, As=<5.8,Ba=48.7, Be=0.16 j, B=<14.5, Cd=<0.69, Cl=<294, Cr=5,Co=<5.8, Fe=6340, Mn=144, Mo=<2.9, Ni=4.5, Se=<5.8,Sr=6.6, SO4=<294, Tl=<5.8, V=13.6 LAKE NORMANBGSB-GWA-6BORROW AREABGSB-GWA-2BGSB-GWA-4MR1001MR1009MR1002MR1006MR1008MR1010GWA-12BR (113.00-118.00): pH=6.9, Eh=321, B=<50, Cl-=1.5, Sr=182,SO4=18.4, TDS=111, Sb=<0.5, As=0.39 B, Ba=28.1, Be=0.011 j, Cr=<0.5,Co=1.5, Fe=400, Mn=279, Mo=2.9, Ni=2, Se=0.39 j, Tl=<0.1, V=0.16 jAL-4D (148.40-153.40): pH=6.0, Eh=354, B=29500, Cl-=3.2, Sr=7580,SO4=999, TDS=1500, Sb=0.16 j, As=0.23, Ba=76.8, Be=0.043 j, Cr=2,Co=0.36, Fe=144, Mn=58.3, Mo=1.7, Ni=9.5, Se=12.3, Tl=0.081 j, V=3.1LEGENDWELL IN DEEP ZONEWELL IN SHALLOW ZONEWELL IN BEDROCK ZONEABMW-07WELL IN ASH PORE WATERWELL ABANDONEDABMW-05SASH BASIN COMPLIANCE BOUNDARYPARCEL LINE DUKE ENERGY (APPROXIMATE)ASH BASIN WASTE BOUNDARYWATER SUPPLY WELL SAMPLEDWATER SAMPLE LOCATION SAMPLEDSURFACE WATER FLOW DIRECTIONFIGURE 14-78COMPREHENSIVEGROUNDWATER DATAMARSHALL STEAM STATION8320 NC HIGHWAY 150 ETERRELL, NORTH CAROLINADUKEENERGYCAROLINASFIG 14-78 (GW)BRIAN WILKERJOHN CHASTAINPROJECT MANAGER:LAYOUT NAME:DRAWN BY:CHECKED BY:TODD PLATINGDATE:DATE:www.synterracorp.com148 River Street, Suite 220Greenville, South Carolina 29601864-421-99991/24/20181/24/2018GRAPHIC SCALE6003001500300(IN FEET)S-2AREA OF WETNESS (AOW) SAMPLE LOCATIONWATER SUPPLY WELL NOT SAMPLEDAPPROXIMATE STREAM (NON-JD)SOIL OR GEOTECHNICAL BORINGAPPROXIMATE POND OR RESERVOIR (NON-JD)APPROXIMATE ASH BASIN PONDED WATERSW-AB8SB-12LANDFILL COMPLIANCE BOUNDARYLANDFILL BOUNDARYGWA-13DAB-6BRBG-1BRCCR-14SCCR-14DCCR-13SCCR-13DC-1GWA-2DINDUSTRIAL LANDFILL NO. 1SHERRILL'S FORD RDISLAND POINT RDSHERRILL'S FORD RDSHERRILL'S FORD RDGREGORY RDSW-1SW-10SW-11SW-4SW-5SW-3SW-2SW-9SW-8SW-7NPDES OUTFALL 101NPDES OUTFALL 102DEMOLITIONLANDFILLASBESTOS LANDFILLDRY ASH LANDFILL (PHASE II)DRY ASH LANDFILL(PHASE I)ISA L N D P O I N T R DCAPAS COVE RDISLAND POINT RDFGD RESIDUE LANDFILLPERMIT NO. 1809PV STRUCTURAL FILLACTIVE ASH BASINCELL 2CELL 4CELL 1CELL 3NEW EMERGENCY SPILLWAYNEW OUTFLOW STRUCTUREDISCHARGE TOWER (INACTIVE)NEW DISCHARGESTRUCTUREAB-6BRLAB-1BRLAL-4BRLMR32MR4PUBLIC WATER SUPPLY WELL NOT SAMPLEDPWS:0118497PWS:0118497PWS:0118780PWS:0118623PWS:0118622GREENWOOD RDC L EM E N T C I R ST U T T S S TSTUTTS STSB-1S-2MSSW002MSSW001SW-6S-1SB-14SB-11SB-10SB-7SB-4SB-8SB-3SB-2SB-5SB-13PIEZOMETER IN SHALLOW ZONEP-102MS-4MS-5MS-2MS-3MS-7MS-1SB-15MS-6PIEZOMETER ABANDONEDMS-7AB-10BRAB-10DAB-10SLAL-2BRLLSW-12NPDES OUTFALL 002MR45AB-1BR (119.00-124.00): pH=6.3, Eh=183, B=1250, Cl-=220, Sr=1700,SO4=43.8, TDS=539, Sb=<0.5, As=0.21, Ba=56, Be=0.039 j, Cr=0.74 B,Co=1.3, Fe=6240, Mn=363, Mo=0.32 j, Ni=1.1, Se=<0.5, Tl=<0.1, V=0.096 j,BAB-1D (91.00-96.00): pH=6.0, Eh=293, B=933, Cl-=234, Sr=2420,SO4=38, TDS=492, Sb=<0.5, As=0.057 j, Ba=413, Be=<0.1, Cr=0.71 B,Co=7.9, Fe=441, Mn=19.6, Mo=<0.5, Ni=1.1, Se=<0.5, Tl=<0.1, V=0.78 BAB-1S (5.50-20.00): pH=4.9, Eh=300, B=5300, Cl-=248, Sr=809,SO4=122, TDS=582, Sb=<0.5, As=3.1, Ba=67, Be=1.7, Cr=0.52 B,Co=31, Fe=2800, Mn=5410, Mo=<0.5, Ni=2.1, Se=12.7, Tl=0.42, V=0.55 BAB-2D (91.00-96.00): pH=6.3, Eh=289, B=366, Cl-=5.1, Sr=633,SO4=174, TDS=375, Sb=<0.5, As=0.15, Ba=25.8, Be=0.031 j, Cr=0.6,Co=0.52, Fe=162, Mn=38.6, Mo=0.16 j, Ni=0.9, Se=0.36 j, Tl=<0.1, V=0.3 BAB-2S (17.00-32.00): pH=5.3, Eh=299, B=<50, Cl-=3, Sr=9.4,SO4=0.73 j, TDS=59, Sb=<0.5, As=0.23, Ba=29, Be=0.057 j, Cr=0.14 j,Co=16.1, Fe=1480, Mn=917, Mo=<0.5, Ni=1.5, Se=<0.5, Tl=0.17, V=0.1 j,BAB-3D (130.00-135.00): pH=6.0, Eh=373, B=174, Cl-=4.6, Sr=1280,SO4=94, TDS=276, Sb=0.2 j, As=0.12 B, Ba=120, Be=<0.1, Cr=<0.5,Co=0.075 j, Fe=<50, Mn=54.9, Mo=0.25 j, Ni=0.5, Se=<0.5, Tl=0.025 j, V=2.3AB-3S (8.00-23.50): pH=3.8, Eh=466, B=1160, Cl-=7, Sr=2400,SO4=520, TDS=875, Sb=0.41 j, As=0.52, Ba=20.1, Be=1.8, Cr=0.22 j,Co=16.8, Fe=4750, Mn=950, Mo=0.28 j, Ni=87.9, Se=0.53, Tl=3.2, V=0.092 jAB-4SL (38.50-48.50): pH=8.4, Eh=191, B=583, Cl-=9, Sr=758,SO4=36.5, TDS=140, Sb=<5, As=1210, Ba=80.2, Be=<1, Cr=<5,Co=0.37 j, Fe=70.2, Mn=25.8, Mo=53, Ni=9.6, Se=<5, Tl=<1, V=2.4 jAB-4S (6.00-21.00): pH=6.4, Eh=304, B=246, Cl-=7.9, Sr=312,SO4=28.8, TDS=107, Sb=0.29 j, As=2.3, Ba=97.9, Be=<0.1, Cr=<0.5,Co=0.47, Fe=39.5 j, Mn=930, Mo=7.1, Ni=2.9, Se=0.71, Tl=0.44, V=1.9AB-4D (72.00-77.00): pH=6.1, Eh=247, B=363, Cl-=8.4, Sr=259,SO4=34.1, TDS=132, Sb=<0.5, As=0.22 B, Ba=73, Be=0.053 j, Cr=<0.5,Co=0.38, Fe=1740, Mn=74.2, Mo=<0.5, Ni=1.5, Se=<0.5, Tl=<0.1, V=<0.3AB-5D (78.00-83.00): pH=5.7, Eh=338, B=<50, Cl-=2.6, Sr=2670,SO4=112, TDS=325, Sb=0.16 j, As=0.78, Ba=138, Be=0.1, Cr=<0.5,Co=4, Fe=762, Mn=541, Mo=0.45 j, Ni=10.6, Se=0.63, Tl=0.15, V=0.78AB-5S (3.20-18.20): pH=3.2, Eh=588, B=2280, Cl-=39.1, Sr=1460,SO4=1450, TDS=NA, Sb=0.13 j, As=2.9, Ba=8.1, Be=3.6, Cr=5.6, Co=36.4,Fe=272000, Mn=4060, Mo=<0.5, Ni=75.6, Se=0.34 j, Tl=0.54, V=6.4AB-5BR (105.00-110.00): pH=5.8, Eh=255, B=<50, Cl-=1.7, Sr=3040,SO4=240, TDS=481, Sb=<0.5, As=0.36 B, Ba=77.8, Be=0.32, Cr=<0.5,Co=0.98, Fe=202, Mn=112, Mo=0.17 j, Ni=9.7, Se=<0.5, Tl=0.064 j, V=0.077 jAB-6BRA (105.00-110.00): pH=10.2, Eh=1, B=276, Cl-=9.4, Sr=2830,SO4=207, TDS=525, Sb=0.46 j, As=370, Ba=84.6, Be=<0.1, Cr=0.43 j,Co=0.024 j, Fe=36.1 j, Mn=64.4, Mo=57.2, Ni=<0.5, Se=0.62, Tl=<0.1, V=6AB-6D (62.50-67.50): pH=6.0, Eh=251, B=6270, Cl-=3.6, Sr=4590, SO4=40.3,TDS=331, Sb=<0.5, As=1.2, Ba=79.3, Be=0.58, Cr=0.65,Co=1.5, Fe=6070, Mn=430, Mo=0.48 j, Ni=43.1, Se=<0.5, Tl=<0.1, V=0.16 j,BAB-6S (7.00-22.00): pH=7.0, Eh=62, B=5810, Cl-=3.5, Sr=6590,SO4=486 M6, TDS=1080, Sb=0.34 j, As=3050, Ba=224, Be=0.31 B, Cr=0.74,Co=0.61, Fe=5900, Mn=1640, Mo=40.6, Ni=1.6, Se=1, Tl=0.4, V=5.5AB-7D (79.00-84.00): pH=6.1, Eh=342, B=44 j, Cl-=2.2, Sr=492,SO4=1.1, TDS=121, Sb=0.36 j, As=0.98, Ba=146, Be=0.01 j, Cr=0.63,Co=0.23, Fe=25.9 j, Mn=23.9, Mo=0.55, Ni=1.1, Se=<0.5, Tl=<0.1, V=8AB-7S (5.00-20.00): pH=6.6, Eh=260, B=9390, Cl-=4.5, Sr=6220,SO4=1620, TDS=2810, Sb=5.5, As=20.7, Ba=36.9, Be=0.016 j, Cr=13.8,Co=6.1, Fe=596, Mn=4220, Mo=2420, Ni=20.4, Se=13.3, Tl=4, V=10.5AB-8D (95.00-100.00): pH=7.5, Eh=65, B=<50, Cl-=2.5, Sr=2280,SO4=77.6, TDS=266, Sb=<0.5, As=0.37 B, Ba=50.8, Be=<0.1, Cr=<0.5,Co=0.15, Fe=78.4, Mn=351, Mo=2.2, Ni=<0.5, Se=<0.5, Tl=<0.1, V=<0.3AB-8S (3.00-13.00): pH=5.4, Eh=213, B=1230, Cl-=4.9 M1, Sr=1560,SO4=200 M1, TDS=423, Sb=0.11 j, As=85.6, Ba=54.5, Be=0.12, Cr=<0.5,Co=10.8, Fe=19300, Mn=1160, Mo=2.8, Ni=16.7, Se=0.35 j, Tl=1, V=0.89AB-9D (48.00-53.00): pH=6.6, Eh=232, B=<50, Cl-=1.9, Sr=235,SO4=9, TDS=133, Sb=0.16 j, As=0.51 B, Ba=263, Be=0.035 j, Cr=<0.5,Co=3.8, Fe=1100, Mn=69.6, Mo=2.7, Ni=23.4, Se=<0.5, Tl=0.038 j, V=0.1 jAB-9S (3.00-10.00): pH=5.3, Eh=328, B=25.6 j, Cl-=2.8, Sr=44.9,SO4=7.9, TDS=46, Sb=0.15 j, As=0.21 B, Ba=17.1, Be=0.025 j, Cr=2.7,Co=1.6, Fe=131, Mn=216, Mo=<0.5, Ni=4.4, Se=<0.5, Tl=0.046 j, V=0.19 jAB-10BR (120.00-125.00): pH=6.9, Eh=122, B=283, Cl-=3.1, Sr=5220,SO4=19.7, TDS=372, Sb=<0.5, As=0.5, Ba=209, Be=0.04 j, Cr=0.16 j,Co=0.1, Fe=311, Mn=29.8, Mo=0.28 j, Ni=2.4, Se=<0.5, Tl=<0.1, V=0.23 j,BAB-10D (71.00-76.00): pH=6.2, Eh=202, B=1580, Cl-=5.2, Sr=2820,SO4=10.7, TDS=313, Sb=<0.5, As=0.7, Ba=360, Be=0.028 j, Cr=0.3 j,Co=9.6, Fe=3750, Mn=3530, Mo=1.2, Ni=24.5, Se=<0.5, Tl=<0.1, V=1 BAB-10S (9.00-24.00): pH=7.0, Eh=99, B=25000 M6, Cl-=8.6, Sr=7230,SO4=932, TDS=1760, Sb=0.25 j, As=443 M1, Ba=56.8, Be=0.041 j, Cr=0.27 j,Co=1.7, Fe=9040, Mn=1500, Mo=2640 M6, Ni=2.1, Se=<0.5, Tl=0.16, V=0.66 BAB-10SL (40.00-50.00): pH=8.2, Eh=25, B=11400, Cl-=7.2, Sr=6280,SO4=632, TDS=1260, Sb=1.3, As=1240 1g, Ba=364, Be=0.035 j, Cr=0.21 j,Co=2.2, Fe=272, Mn=586, Mo=3580, Ni=25.5, Se=0.79, Tl=0.021 j, V=7.3MW-2 (23.00-33.00): pH=5.4, Eh=411, B=2880, Cl-=4.6, Sr=1750,SO4=159, TDS=299, Sb=<0.5, As=0.086 j, Ba=86.3, Be=0.15, Cr=0.19 j,Co=0.085 j, Fe=66.6, Mn=18.1, Mo=<0.5, Ni=0.52, Se=31.6, Tl=<0.1, V=1.1 BAB-11S (6.00-16.00): pH=5.1, Eh=429, B=<50, Cl-=2, Sr=37.5,SO4=0.74 j, TDS=<25, Sb=<0.5, As=0.32 B, Ba=10.2, Be=<0.1, Cr=<0.5,Co=0.73, Fe=79.9, Mn=68.8, Mo=<0.5, Ni=<0.5, Se=<0.5, Tl=<0.1, V=0.48AB-11D (77.00-82.00): pH=6.1, Eh=267, B=<50, Cl-=1.8, Sr=1160,SO4=3.7, TDS=98, Sb=<0.5, As=0.17 B, Ba=15, Be=<0.1, Cr=<0.5,Co=0.061 j, Fe=55.1, Mn=3.4 j, Mo=0.76, Ni=<0.5, Se=<0.5, Tl=<0.1, V=0.8AB-12D (62.00-67.00): pH=7.3, Eh=52, B=1350, Cl-=182, Sr=10200,SO4=172, TDS=767, Sb=0.4 j, As=4.4, Ba=62.8, Be=<0.1, Cr=8.8,Co=0.1, Fe=129, Mn=148, Mo=0.42 j, Ni=4.2, Se=<0.5, Tl=0.063 j, V=0.55AB-12S (3.00-13.00): pH=6.9, Eh=119, B=75200, Cl-=2690, Sr=4520,SO4=753, TDS=5100, Sb=0.27 j, As=229, Ba=223, Be=0.086 j, Cr=0.18 j,Co=0.18, Fe=13500, Mn=5540, Mo=5.1, Ni=1.2, Se=1.4, Tl=0.13, V=0.97AB-12SL (40.00-50.00): pH=7.3, Eh=39, B=2860, Cl-=132, Sr=4820 M1,SO4=5.3, TDS=581, Sb=<0.5, As=1190, Ba=1100, Be=0.018 j, Cr=<0.5,Co=<0.1, Fe=8460, Mn=1180, Mo=452, Ni=1.4, Se=<0.5, Tl=<0.1, V=0.71AB-12BR (100.50-105.50): pH=8.1, Eh=128, B=<50, Cl-=1.7, Sr=7530,SO4=152, TDS=359, Sb=0.22 j, As=0.77, Ba=32.1, Be=<0.1, Cr=<0.5,Co=0.049 j, Fe=117, Mn=31.9, Mo=2.8, Ni=<0.5, Se=<0.5, Tl=0.057 j, V=0.15 jAB-13D (81.00-86.00): pH=7.4, Eh=81, B=<50, Cl-=1.9, Sr=673,SO4=15.8, TDS=209, Sb=<0.5, As=0.46 B, Ba=201, Be=<0.1, Cr=0.96,Co=2.1, Fe=891, Mn=226, Mo=1.4, Ni=<0.5, Se=<0.5, Tl=<0.1, V=<0.3AB-13S (14.80-29.80): pH=6.4, Eh=144, B=788, Cl-=0.9 j, Sr=2740,SO4=27.1, TDS=356, Sb=19.2, As=777 M6, Ba=285, Be=<1, Cr=<5,Co=5.4, Fe=3930, Mn=257, Mo=56.9, Ni=7.4, Se=<5, Tl=0.77 j, V=13AB-14D (80.00-85.00): pH=5.8, Eh=438, B=314, Cl-=1.8, Sr=471,SO4=43.7, TDS=142, Sb=<0.5, As=0.15, Ba=174, Be=0.046 j, Cr=2.3,Co=0.059 j, Fe=51, Mn=5.6, Mo=<0.5, Ni=1.8, Se=0.4 j, Tl=<0.1, V=1.6AB-14S (5.70-20.70): pH=6.6, Eh=156, B=20500, Cl-=7.7, Sr=3220,SO4=958, TDS=160, Sb=<0.5, As=792 M6, Ba=35.5, Be=0.064 j, Cr=0.42 j,Co=0.092 j, Fe=47200, Mn=3980, Mo=3, Ni=2.3, Se=<5 M1,R1, Tl=<0.1, V=5.2AB-15D (64.00-69.00): pH=9.1, Eh=111, B=47.1 j, Cl-=2.7, Sr=720,SO4=32.4, TDS=265, Sb=<0.5, As=0.38, Ba=242, Be=0.071 j, Cr=0.21 j,Co=0.04 j, Fe=2490, Mn=244, Mo=0.74, Ni=<0.5, Se=<0.5, Tl=<0.1, V=0.13 j,BAB-15SL (40.00-50.00): pH=6.5, Eh=66, B=1570, Cl-=3.8, Sr=2340,SO4=89.9, TDS=420, Sb=<0.5, As=973, Ba=412, Be=0.024 j, Cr=0.26 j,Co=4.4, Fe=12200, Mn=1340, Mo=25.2, Ni=1, Se=<0.5, Tl=0.024 j, V=0.84 BAB-15S (5.00-20.00): pH=6.8, Eh=63, B=3890, Cl-=41, Sr=4760,SO4=58.8, TDS=577, Sb=0.12 j, As=854, Ba=411, Be=0.017 j, Cr=1.5,Co=1.6, Fe=13200, Mn=2570, Mo=20.1, Ni=2.4, Se=<0.5, Tl=0.13, V=1.2 BAB-15BR (107.00-112.00): pH=7.3, Eh=85, B=<50, Cl-=2.1, Sr=1220,SO4=66.4, TDS=280, Sb=<0.5, As=0.11, Ba=99.3, Be=0.02 j, Cr=0.12 j,Co=0.018 j, Fe=2130, Mn=255, Mo=1.2, Ni=<0.5, Se=<0.5, Tl=<0.1, V=0.17 j,BAB-16D (41.00-46.00): pH=6.9, Eh=147, B=<50, Cl-=3.1, Sr=420,SO4=24.5, TDS=201, Sb=<0.5, As=1.7, Ba=168, Be=<0.1, Cr=0.32 j,Co=0.43, Fe=2080, Mn=264, Mo=1.3, Ni=10, Se=<0.5, Tl=<0.1, V=0.11 j,BAB-16S (3.20-13.20): pH=6.4, Eh=41, B=115, Cl-=2.1, Sr=313,SO4=4.7, TDS=135, Sb=<0.5, As=15.1, Ba=93.3, Be=0.031 j, Cr=0.71,Co=6, Fe=55300, Mn=1460, Mo=2.1, Ni=2.3, Se=0.89, Tl=<0.1, V=2.2AB-17D (106.00-111.00): pH=6.1, Eh=220, B=<50, Cl-=1.2, Sr=112,SO4=0.96 j, TDS=83, Sb=<0.5, As=0.17, Ba=21.7, Be=<0.1, Cr=1.2,Co=0.33, Fe=49.4 j, Mn=10, Mo=0.77, Ni=1.3, Se=<0.5, Tl=<0.1, V=4.3AB-17S (6.00-21.00): pH=6.6, Eh=119, B=24200, Cl-=14.7, Sr=2330,SO4=557, TDS=1180, Sb=<0.5, As=326, Ba=40.6, Be=0.1, Cr=0.62,Co=0.47, Fe=136000, Mn=23000, Mo=6, Ni=0.82, Se=<0.5, Tl=<0.1, V=6.9AB-18D (72.00-77.00): pH=5.8, Eh=284, B=<50, Cl-=1.8, Sr=195,SO4=5.1, TDS=90, Sb=0.1 j, As=0.51 B, Ba=37, Be=<0.1, Cr=<0.5,Co=0.15, Fe=53.1, Mn=133, Mo=1.1, Ni=2.2, Se=0.38 j, Tl=<0.1, V=2.4AB-18S (3.00-13.00): pH=7.4, Eh=25, B=2300, Cl-=8.2, Sr=3260,SO4=4.2, TDS=340, Sb=<5, As=2140, Ba=339, Be=<1, Cr=2.2 j,Co=0.2 j, Fe=4050, Mn=859, Mo=285, Ni=<5, Se=4.4 j, Tl=<1, V=5.4AB-20D (139.20-144.20): pH=8.9, Eh=225, B=39.2 j, Cl-=1.9, Sr=574,SO4=21.9, TDS=115, Sb=0.65, As=0.18, Ba=59, Be=<0.1, Cr=0.47 j,Co=0.066 j, Fe=69.6, Mn=7.2, Mo=4.9, Ni=0.55, Se=0.35 j, Tl=<0.1, V=0.49 BAB-20S (53.50-68.50): pH=7.0, Eh=433, B=48500 M6, Cl-=67, Sr=9770 M6,SO4=3370, TDS=6120 D6, Sb=30.9, As=53.7, Ba=30.2, Be=0.3, Cr=2.9,Co=568, Fe=235, Mn=8280 M6, Mo=3050, Ni=358, Se=636, Tl=28.2, V=136AB-21D (60.00-65.00): pH=5.8, Eh=216, B=<50, Cl-=8.6, Sr=623,SO4=27.1, TDS=179, Sb=<0.5, As=0.15 B, Ba=165, Be=<0.1, Cr=<0.5,Co=1.3, Fe=1090, Mn=143, Mo=1.3, Ni=2.1, Se=<0.5, Tl=<0.1, V=0.57AB-21S (13.00-28.00): pH=6.2, Eh=135, B=2920, Cl-=434, Sr=604,SO4=421, TDS=1480, Sb=<0.5, As=3640, Ba=45.2, Be=0.032 j, Cr=2,Co=2.3, Fe=395000, Mn=12600, Mo=1.2, Ni=7.5, Se=<10, Tl=0.11, V=0.4AL-1BR (122.00-127.00): pH=6.1, Eh=243, B=446, Cl-=158, Sr=2840,SO4=7.7, TDS=415, Sb=0.19 j, As=0.093 j, Ba=316, Be=0.01 j, Cr=2.6,Co=0.057 j, Fe=50.8, Mn=5, Mo=0.13 j, Ni=3.9, Se=<0.5, Tl=0.018 j, V=1.1AL-1D (79.60-84.60): pH=5.5, Eh=235, B=2340, Cl-=282, Sr=5020,SO4=14, TDS=603, Sb=0.34 j, As=0.11, Ba=770, Be=0.024 j, Cr=1.6,Co=0.26, Fe=76.1, Mn=25.5, Mo=0.11 j, Ni=2.7, Se=<0.5, Tl=<0.1, V=0.82AL-1S (31.50-46.50): pH=4.4, Eh=820, B=4480, Cl-=231, Sr=2280,SO4=77.6, TDS=510, Sb=0.17 j, As=1.6, Ba=84.1, Be=5.3, Cr=4.3,Co=5.7, Fe=261, Mn=2250, Mo=<0.5, Ni=2.6, Se=0.55, Tl=0.19, V=0.98AL-2BRL (UNK-UNK): pH=8.3, Eh=205, B=1810, Cl-=NA, Sr=NA,SO4=183, TDS=NA, Sb=NA, As=NA, Ba=NA, Be=NA, Cr=NA,Co=NA, Fe=NA, Mn=NA, Mo=NA, Ni=NA, Se=NA, Tl=NA, V=NAAL-2BR (203.60-208.60): pH=6.8, Eh=247, B=2650, Cl-=1.1, Sr=2570,SO4=193, TDS=413, Sb=0.67, As=0.28, Ba=148, Be=<0.1, Cr=3.4,Co=1.1, Fe=125, Mn=95.4, Mo=7.3, Ni=4, Se=15.9, Tl=<0.1, V=2.9AL-2S (111.70-127.70): pH=5.2, Eh=436, B=9620, Cl-=1.6, Sr=5750,SO4=1480, TDS=1950, Sb=0.2 j, As=0.2, Ba=44, Be=1.1, Cr=6.4,Co=0.27, Fe=237, Mn=137, Mo=0.18 j, Ni=9.8, Se=77.9, Tl=<0.1, V=1.4AL-2D (152.00-157.00): pH=5.6, Eh=420, B=9720, Cl-=2.6, Sr=9290,SO4=914, TDS=1480, Sb=0.26 j, As=0.3, Ba=51.4, Be=0.052 j, Cr=5.8,Co=4, Fe=394, Mn=468, Mo=1.6, Ni=22.6, Se=109, Tl=0.068 j, V=1.2AL-3D (178.50-183.50): pH=6.6, Eh=215, B=4860, Cl-=3, Sr=2700,SO4=431, TDS=744, Sb=0.89, As=0.33, Ba=81.9, Be=<0.1, Cr=3.5,Co=0.63, Fe=444, Mn=110, Mo=2.2, Ni=5.9, Se=43.8, Tl=<0.1, V=0.81 BAL-3S (96.80-117.60): pH=8.4, Eh=357, B=67400, Cl-=24, Sr=14100,SO4=2840, TDS=4550, Sb=21.6, As=241, Ba=27, Be=0.036 j, Cr=1.2,Co=0.21, Fe=159, Mn=101, Mo=40000, Ni=0.95, Se=58.7, Tl=3.7, V=241AL-3BR (228.50-233.50): pH=10.8, Eh=59, B=775, Cl-=2.3, Sr=1010,SO4=157, TDS=377, Sb=0.2 j, As=0.9, Ba=90.6, Be=<0.1, Cr=4.4,Co=0.065 j, Fe=50.1, Mn=8.3, Mo=5.7, Ni=2.9, Se=1.7, Tl=<0.1, V=1AL-4BR (179.00-184.00): pH=6.7, Eh=316, B=7120, Cl-=1.6, Sr=2240,SO4=166, TDS=348, Sb=0.1 j, As=0.1, Ba=124, Be=0.039 j, Cr=4.6,Co=0.16, Fe=54.9, Mn=4 j, Mo=0.21 j, Ni=5.6, Se=5.8, Tl=0.026 j, V=3BG-1BRA (84.00-89.00): pH=7.0, Eh=305, B=<50, Cl-=3.6, Sr=202,SO4=8.2, TDS=147, Sb=0.23 j, As=0.43, Ba=345, Be=<0.1, Cr=1.8,Co=0.19, Fe=41.2 j, Mn=26.6, Mo=2.5, Ni=2, Se=0.36 j, Tl=<0.1, V=17.2BG-1S (5.20-15.20): pH=5.4, Eh=433, B=33.8 j, Cl-=5, Sr=87,SO4=12.6, TDS=56 D6, Sb=<0.5, As=0.045 j, Ba=30.2, Be=0.034 j, Cr=<0.5,Co=<0.1, Fe=383, Mn=21.5, Mo=<0.5, Ni=<0.5, Se=<0.5 2g, Tl=0.022 j, V=<0.3BG-1D (35.00-40.00): pH=6.1, Eh=373, B=<50, Cl-=3.3, Sr=656,SO4=11, TDS=113, Sb=<0.5, As=0.18, Ba=116, Be=<0.1, Cr=2.1,Co=0.6, Fe=<50, Mn=23.8, Mo=0.31 j, Ni=7.9, Se=2.4, Tl=<0.1, V=3.6BG-2BR (50.00-55.00): pH=6.8, Eh=370, B=<50, Cl-=2.3, Sr=237,SO4=2.1, TDS=141, Sb=<0.5, As=0.24, Ba=436, Be=<0.1, Cr=7.9,Co=0.31, Fe=198, Mn=8.3, Mo=0.2 j, Ni=1.6, Se=0.31 j, Tl=<0.1, V=15.3BG-2S (5.80-15.80): pH=6.3, Eh=329, B=<50, Cl-=2.1, Sr=210,SO4=5.5, TDS=96, Sb=<0.5, As=0.17, Ba=336, Be=0.024 j, Cr=5.9,Co=0.089 j, Fe=183, Mn=<5, Mo=0.13 j, Ni=4.4, Se=<0.5, Tl=<0.1, V=9.9BG-3BR (105.00-110.00): pH=6.6, Eh=304, B=<50, Cl-=2.8, Sr=181,SO4=12.6, TDS=169, Sb=0.42 j, As=0.41, Ba=56.9, Be=<0.1, Cr=24.2,Co=0.95, Fe=382, Mn=12.7, Mo=3, Ni=20.8, Se=<0.5, Tl=<0.1, V=16BG-3D (59.00-64.00): pH=6.5, Eh=323, B=<50, Cl-=2.9, Sr=170,SO4=12.5, TDS=154, Sb=<0.5, As=0.38, Ba=811, Be=0.013 j, Cr=6,Co=0.12, Fe=59.8, Mn=5.1, Mo=0.26 j, Ni=5.9, Se=<0.5, Tl=<0.1, V=25.6BG-3S (22.20-32.20): pH=6.2, Eh=378, B=<50, Cl-=2.6 M1, Sr=139,SO4=12.8, TDS=124, Sb=0.11 j, As=0.26, Ba=580, Be=0.018 j, Cr=18.6,Co=0.72, Fe=732, Mn=11.7, Mo=0.23 j, Ni=19.7, Se=<0.5, Tl=<0.1, V=9.2GWA-1D (119.00-124.00): pH=6.4, Eh=283, B=<50, Cl-=2.3, Sr=932,SO4=234, TDS=420, Sb=0.43 j, As=0.26 B, Ba=55.5, Be=0.02 j, Cr=0.75,Co=0.54, Fe=630, Mn=63.7, Mo=9.9, Ni=4.4, Se=<0.5, Tl=0.019 j, V=1.7GWA-1S (38.00-53.00): pH=5.2, Eh=410, B=<50, Cl-=3, Sr=35.2,SO4=7.2, TDS=57, Sb=0.14 j, As=0.12, Ba=44.1, Be=0.71, Cr=2.5,Co=1.1, Fe=163, Mn=53.3, Mo=<0.5, Ni=1.8, Se=1.2, Tl=0.016 j, V=0.55GWA-1BR (151.50-156.40): pH=6.3, Eh=325, B=<50, Cl-=3.3, Sr=283,SO4=52.1, TDS=171, Sb=0.12 j, As=0.12, Ba=36.4, Be=0.019 j, Cr=3.4,Co=0.98, Fe=52.5, Mn=5.6, Mo=0.12 j, Ni=0.57, Se=0.4 j, Tl=<0.1, V=4.5GWA-2DA (94.00-99.00): pH=10.0, Eh=-66, B=<50, Cl-=3.2, Sr=378,SO4=32.2, TDS=142, Sb=0.2 j, As=0.57 B, Ba=32.2, Be=0.014 j, Cr=0.84,Co=0.087 j, Fe=75.6, Mn=6.4, Mo=2.3, Ni=0.45 j, Se=0.52, Tl=0.022 j, V=6.2GWA-2S (13.50-29.50): pH=4.8, Eh=377, B=<50, Cl-=1.3, Sr=34,SO4=57.4, TDS=81, Sb=0.32 j, As=0.12, Ba=92.1, Be=0.25, Cr=2.5,Co=0.2, Fe=35.2 j, Mn=45.7, Mo=<0.5, Ni=4.4, Se=1.3, Tl=0.17, V=0.25 jGWA-3S (3.00-13.00): pH=5.7, Eh=402, B=<50, Cl-=2.3, Sr=51.3,SO4=0.67 j, TDS=82, Sb=<0.5, As=0.067 j, Ba=38.8, Be=0.047 j, Cr=0.47 j,Co=0.018 j, Fe=53.9, Mn=2.9 j, Mo=0.37 j, Ni=0.57, Se=<0.5, Tl=<0.1, V=0.9GWA-3D (36.00-41.00): pH=5.3, Eh=455, B=<50, Cl-=2.2, Sr=81.2,SO4=2.6, TDS=80, Sb=<0.5, As=0.14 B, Ba=38.1, Be=0.012 j, Cr=0.53,Co=0.88, Fe=135, Mn=186, Mo=2.7, Ni=3, Se=<0.5, Tl=<0.1, V=1.7GWA-4S (49.20-64.20): pH=5.6, Eh=496, B=<50, Cl-=3.9, Sr=42.2,SO4=<1, TDS=64 D6, Sb=<0.5, As=0.082 j, Ba=39.7, Be=0.043 j, Cr=1.4,Co=0.14, Fe=517, Mn=15.6, Mo=0.11 j, Ni=<0.5, Se=<0.5, Tl=<0.1, V=0.82GWA-4D (81.00-86.00): pH=8.1, Eh=95, B=<50, Cl-=3.5, Sr=153,SO4=11.3, TDS=181, Sb=<0.5, As=1.1, Ba=30, Be=<0.1, Cr=0.15 j,Co=0.089 j, Fe=44.1 j, Mn=141, Mo=4.8, Ni=0.62, Se=<0.5, Tl=<0.1, V=0.76GWA-5S (24.50-34.50): pH=5.8, Eh=545, B=<50, Cl-=1.2, Sr=67.6,SO4=1.1, TDS=45, Sb=0.1 j, As=0.21, Ba=23.4, Be=0.022 j, Cr=1.5,Co=0.21, Fe=216, Mn=16.1, Mo=0.22 j, Ni=1.8, Se=<0.5, Tl=<0.1, V=1.4GWA-5D (43.50-48.50): pH=5.9, Eh=383, B=<50, Cl-=1.4, Sr=81.4,SO4=2.4, TDS=41, Sb=<0.5, As=0.099 j, Ba=16.7, Be=0.049 j, Cr=0.59,Co=<0.1, Fe=<50, Mn=<5, Mo=0.35 j, Ni=<0.5, Se=<0.5, Tl=<0.1, V=1.6GWA-6S (37.70-47.70): pH=5.8, Eh=414, B=<50, Cl-=3.3, Sr=60.2,SO4=<1, TDS=48 D6, Sb=<0.5, As=0.096 j,B, Ba=65.5, Be=0.1, Cr=0.58,Co=0.11, Fe=305, Mn=16.6, Mo=<0.5, Ni=0.57, Se=<0.5 1g, Tl=<0.1, V=0.68GWA-6D (102.00-107.00): pH=6.2, Eh=321, B=<50, Cl-=3.3, Sr=277,SO4=7, TDS=76, Sb=<0.5, As=0.18 B, Ba=29.3, Be=<0.1, Cr=0.6,Co=0.26, Fe=<50, Mn=8.6, Mo=0.61, Ni=0.85, Se=<0.5, Tl=<0.1, V=1.5GWA-7S (9.00-19.00): pH=5.7, Eh=266, B=<50, Cl-=5.1, Sr=160,SO4=5.9, TDS=92, Sb=<0.5, As=0.42 B, Ba=150, Be=0.01 j, Cr=2.6,Co=4.9, Fe=2600, Mn=231, Mo=0.85, Ni=2.3, Se=<0.5, Tl=<0.1, V=1.1GWA-7D (25.50-30.50): pH=6.2, Eh=211, B=<50, Cl-=2.7, Sr=210,SO4=9.2, TDS=126, Sb=0.25 j, As=0.26 j,B, Ba=363, Be=<0.5, Cr=4.9,Co=0.12, Fe=38.5 j, Mn=3 j, Mo=0.69, Ni=3.9, Se=0.36 j, Tl=0.016 j, V=4.1GWA-8S (23.00-38.00): pH=6.2, Eh=364, B=<50, Cl-=4.5, Sr=171,SO4=0.9 j, TDS=54 D6, Sb=<0.5, As=0.059 j, Ba=22.2, Be=0.02 j, Cr=1,Co=0.057 j, Fe=252, Mn=4.5 j, Mo=<0.5, Ni=<0.5, Se=<0.5, Tl=<0.1, V=3.5GWA-8D (56.00-61.00): pH=6.2, Eh=333, B=<50, Cl-=2.8, Sr=183,SO4=0.88 j, TDS=73, Sb=<0.5, As=0.22, Ba=30.9, Be=<0.1, Cr=0.63 B,Co=0.069 j, Fe=94.9, Mn=10.9, Mo=0.29 j, Ni=0.51, Se=<0.5, Tl=<0.1, V=3.9GWA-9BR (84.00-89.00): pH=6.6, Eh=318, B=<50, Cl-=4.2, Sr=54.1,SO4=<1, TDS=104, Sb=<0.5, As=0.058 j, Ba=16.3, Be=<0.1, Cr=0.9,Co=0.019 j, Fe=30.4 j, Mn=3.7 j, Mo=0.5, Ni=2.9, Se=<0.5, Tl=<0.1, V=3.6MW-13S (5.88-20.88): pH=6.2, Eh=342, B=<50, Cl-=4.3, Sr=66,SO4=0.47, TDS=74, Sb=<1, As=<1, Ba=42, Be=<1, Cr=<5,Co=<1, Fe=363, Mn=7, Mo=<1, Ni=<5, Se=<1, Tl=<0.2, V=5.52MW-13D (43.55-48.55): pH=5.8, Eh=270, B=<50, Cl-=4.6, Sr=74,SO4=0.6, TDS=81, Sb=<1, As=<1, Ba=49, Be=<1, Cr=<5,Co=<1, Fe=<10, Mn=<5, Mo=<1, Ni=<5, Se=<1, Tl=<0.2, V=5.42GWA-10S (5.00-20.00): pH=5.5, Eh=323, B=<50, Cl-=1.7, Sr=702,SO4=43.4, TDS=118, Sb=<0.5, As=0.29 B, Ba=50, Be=0.089 j, Cr=2,Co=0.2, Fe=299, Mn=68.8, Mo=0.22 j, Ni=3, Se=2, Tl=<0.1, V=3.3GWA-10D (113.50-118.00): pH=6.8, Eh=138, B=<50, Cl-=1.4, Sr=1900,SO4=208, TDS=414, Sb=<0.5, As=0.069 j,B, Ba=78.8, Be=<0.1, Cr=0.1 j,Co=0.25, Fe=592, Mn=19.2, Mo=0.44 j, Ni=0.56, Se=<0.5, Tl=<0.1, V=1GWA-11BR (150.00-155.00): pH=8.8, Eh=86, B=31.7 j, Cl-=3.6, Sr=567,SO4=39.7, TDS=176, Sb=2.7, As=0.16, Ba=43.8, Be=0.057 j, Cr=0.95,Co=0.062 j, Fe=74.8, Mn=17.5, Mo=1.7, Ni=0.82, Se=0.38 j, Tl=<0.1, V=2.9GWA-11D (110.00-115.00): pH=5.7, Eh=399, B=1010, Cl-=4.3, Sr=1670,SO4=104, TDS=273, Sb=<0.5, As=0.066 j, Ba=121, Be=0.042 j, Cr=2.8,Co=0.12, Fe=98, Mn=35.1, Mo=0.34 j, Ni=1.2, Se=10.3, Tl=<0.1, V=2.2GWA-11S (40.00-55.00): pH=6.4, Eh=291, B=2880, Cl-=4.2, Sr=1190,SO4=245, TDS=511, Sb=<0.5, As=0.15, Ba=63.8, Be=0.19, Cr=2.3,Co=0.35, Fe=496, Mn=18.8, Mo=<0.5, Ni=2.8, Se=20.9, Tl=<0.1, V=0.89 BGWA-15S (20.80-35.80): pH=5.6, Eh=399, B=1520, Cl-=157, Sr=1700,SO4=91, TDS=542, Sb=<0.5, As=0.13, Ba=170, Be=0.15, Cr=1.5, Co=1.9,Fe=192, Mn=578, Mo=1.2, Ni=3.1, Se=7.3, Tl=0.015 j, V=0.44GWA-12D (88.00-93.00): pH=10.1, Eh=173, B=<50, Cl-=2.7, Sr=294,SO4=13.6, TDS=146, Sb=0.17 j, As=1.3, Ba=36.6, Be=0.038 j, Cr=<0.5,Co=0.25, Fe=96.3, Mn=<5, Mo=42.2, Ni=1, Se=0.44 j, Tl=0.048 j, V=1.8GWA-12S (10.00-25.00): pH=5.4, Eh=299, B=<50, Cl-=2.2, Sr=10.1,SO4=3.4, TDS=32, Sb=0.1 j, As=0.082 j,B, Ba=44, Be=0.076 j, Cr=0.28 j,Co=0.66, Fe=47.4 j, Mn=22.1, Mo=<0.5, Ni=1.8, Se=<0.5, Tl=0.081 j, V=0.12 jGWA-13S (14.50-29.50): pH=5.3, Eh=328, B=<50, Cl-=1.6, Sr=6.6,SO4=1.2, TDS=28, Sb=<0.5, As=0.056 j, Ba=91.6, Be=0.045 j, Cr=1.2,Co=0.31, Fe=57.6, Mn=138, Mo=<0.5, Ni=4.6, Se=<0.5, Tl=0.052 j, V=<0.3GWA-13DA (133.50-138.50): pH=9.0, Eh=223, B=<50, Cl-=2.7, Sr=95,SO4=3.5, TDS=127, Sb=2.3, As=1.4, Ba=8.3, Be=<0.1, Cr=1.4,Co=0.04 j, Fe=41.7 j, Mn=2.7 j, Mo=2.4, Ni=1.2, Se=0.43 j, Tl=<0.1, V=9.2GWA-14S (35.00-50.00): pH=5.3, Eh=404, B=<50, Cl-=1.2, Sr=16.2,SO4=<1, TDS=38, Sb=0.19 j, As=0.13 B, Ba=44.7, Be=0.092 j, Cr=1.2,Co=1.3, Fe=1190, Mn=135, Mo=0.18 j, Ni=0.45 j, Se=<0.5, Tl=0.049 j, V=1.6GWA-14D (104.50-109.50): pH=6.9, Eh=331, B=<50, Cl-=2.1, Sr=80.6,SO4=2.7, TDS=96, Sb=0.6, As=0.83, Ba=25.9, Be=0.063 j, Cr=1.3,Co=0.34, Fe=144, Mn=22, Mo=1.2, Ni=0.91, Se=0.8, Tl=0.063 j, V=4MR1 (UNK-UNK): pH=6.4, Eh=889, B=<500, Cl-=7.2, Sr=28,SO4=11, TDS=58, Sb=0.29, As=<1, Ba=13, Be=<1, Cr=<10,Co=<1, Fe=28, Mn=NA, Mo=0.11, Ni=<2, Se=<1, Tl=<1, V=<5MR10 (UNK-UNK): pH=6.0, Eh=376, B=<5, Cl-=2.4, Sr=59,SO4=<2, TDS=65, Sb=<0.5, As=<0.5, Ba=38.8, Be=<0.2, Cr=0.99,Co=<0.5, Fe=260, Mn=NA, Mo=<0.5, Ni=<0.5, Se=<0.5, Tl=<0.1, V=1.5MR11 (UNK-UNK): pH=6.5, Eh=608, B=<5, Cl-=1.3, Sr=78.2,SO4=2, TDS=71, Sb=<0.5, As=<0.5, Ba=48.5, Be=<0.2, Cr=0.87,Co=<0.5, Fe=<50, Mn=NA, Mo=<0.5, Ni=<0.5, Se=<0.5, Tl=<0.1, V=1MR12 (UNK-UNK): pH=6.8, Eh=335, B=<130, Cl-=2.3, Sr=99,SO4=<1, TDS=93, Sb=<1, As=2.9, Ba=34, Be=<2, Cr=<25, Co=<25,Fe=330, Mn=NA, Mo=0.088, Ni=10, Se=<5, Tl=<0.5, V=12MR13 (UNK-UNK): pH=7.1, Eh=322, B=<5, Cl-=1.1, Sr=353,SO4=8.4, TDS=85, Sb=<0.5, As=<0.5, Ba=32.1, Be=<0.2, Cr=0.56,Co=<0.5, Fe=<50, Mn=0.79, Mo=4.7, Ni=<0.5, Se=<0.5, Tl=<0.1, V=2.8MR14 (UNK-UNK): pH=6.0, Eh=505, B=<5, Cl-=2.3, Sr=85.3,SO4=<2, TDS=38, Sb=<0.5, As=<0.5, Ba=49.5, Be=<0.2, Cr=0.82,Co=<0.5, Fe=<50, Mn=1.5, Mo=<0.5, Ni=<0.5, Se=<0.5, Tl=<0.1, V=1.1MR16 (UNK-UNK): pH=7.3, Eh=107, B=<5, Cl-=10.2, Sr=101,SO4=18.7, TDS=140, Sb=<0.5, As=<0.5, Ba=86.5, Be=<0.2, Cr=<0.5,Co=<0.5, Fe=718, Mn=NA, Mo=<0.5, Ni=<0.5, Se=<0.5, Tl=<0.1, V=<1MR17 (UNK-UNK): pH=6.7, Eh=424, B=<5, Cl-=1.3, Sr=189,SO4=<2, TDS=46, Sb=<0.5, As=<0.5, Ba=10.6, Be=<0.2, Cr=<0.5,Co=<0.5, Fe=<50, Mn=NA, Mo=<0.5, Ni=<0.5, Se=<0.5, Tl=<0.1, V=2.6MR18 (UNK-UNK): pH=6.4, Eh=461, B=<5, Cl-=3.5, Sr=201,SO4=2.8, TDS=82, Sb=<0.5, As=<0.5, Ba=17, Be=<0.2, Cr=<0.5,Co=<0.5, Fe=<50, Mn=NA, Mo=<0.5, Ni=<0.5, Se=<0.5, Tl=<0.1, V=1.8MR20 (UNK-UNK): pH=6.9, Eh=365, B=<5, Cl-=3.1, Sr=132,SO4=2.2, TDS=107, Sb=<0.5, As=<0.5, Ba=14, Be=<0.2, Cr=0.96,Co=<0.5, Fe=<50, Mn=NA, Mo=2.2, Ni=<0.5, Se=<0.5, Tl=<0.1, V=2.8MR21 (UNK-UNK): pH=5.4, Eh=561, B=<5, Cl-=4.1, Sr=9.7,SO4=<2, TDS=26, Sb=<0.5, As=<0.5, Ba=74.6, Be=<0.2, Cr=<0.5,Co=0.75, Fe=<50, Mn=NA, Mo=<0.5, Ni=0.66, Se=<0.5, Tl=<0.1, V=<1MR22 (UNK-UNK): pH=5.7, Eh=493, B=<5, Cl-=2.3, Sr=34.1,SO4=<2, TDS=55, Sb=<0.5, As=<0.5, Ba=79.3, Be=<0.2, Cr=0.91,Co=<0.5, Fe=<50, Mn=NA, Mo=<0.5, Ni=0.55, Se=<0.5, Tl=<0.1, V=<1MR23 (UNK-UNK): pH=6.0, Eh=322, B=<5, Cl-=27.6, Sr=278,SO4=2.7, TDS=194, Sb=<0.5, As=<0.5, Ba=121, Be=<0.2, Cr=1.5,Co=<0.5, Fe=<50, Mn=NA, Mo=<0.5, Ni=<0.5, Se=<0.5, Tl=<0.1, V=2.6MR25 (UNK-UNK): pH=6.1, Eh=283, B=<5, Cl-=6.5, Sr=110,SO4=3.1, TDS=108, Sb=<0.5, As=<0.5, Ba=53.8, Be=<0.2, Cr=1.1,Co=<0.5, Fe=<50, Mn=NA, Mo=<0.5, Ni=<0.5, Se=<0.5, Tl=<0.1, V=2MR26 (UNK-UNK): pH=6.2, Eh=321, B=<5, Cl-=3, Sr=149,SO4=2, TDS=66, Sb=<0.5, As=<0.5, Ba=52, Be=<0.2, Cr=1.4,Co=<0.5, Fe=<50, Mn=NA, Mo=<0.5, Ni=<0.5, Se=<0.5, Tl=<0.1, V=2.9MR29 (UNK-UNK): pH=6.3, Eh=587, B=<5, Cl-=1.5, Sr=106,SO4=<2, TDS=59, Sb=<0.5, As=<0.5, Ba=37, Be=<0.2, Cr=2.9,Co=<0.5, Fe=<50, Mn=NA, Mo=<0.5, Ni=0.69, Se=<0.5, Tl=<0.1, V=2.9MR31 (UNK-UNK): pH=6.5, Eh=324, B=<5, Cl-=1.6, Sr=46,SO4=<2, TDS=68, Sb=<0.5, As=<0.5, Ba=23.3, Be=<0.2, Cr=1.5,Co=<0.5, Fe=<50, Mn=NA, Mo=<0.5, Ni=<0.5, Se=<0.5, Tl=<0.1, V=4.7MR32 (UNK-UNK): pH=6.4, Eh=326, B=<5, Cl-=5.7, Sr=99.6,SO4=<2, TDS=74, Sb=<0.5, As=<0.5, Ba=107, Be=<0.2, Cr=0.88,Co=<0.5, Fe=428, Mn=NA, Mo=<0.5, Ni=<0.5, Se=<0.5, Tl=<0.1, V=2.2MR33 (UNK-UNK): pH=6.2, Eh=560, B=<5, Cl-=2.9, Sr=46.7,SO4=<2, TDS=57, Sb=<0.5, As=<0.5, Ba=26.7, Be=<0.2, Cr=1,Co=<0.5, Fe=<50, Mn=NA, Mo=<0.5, Ni=<0.5, Se=<0.5, Tl=<0.1, V=1.7MR35 (UNK-UNK): pH=7.3, Eh=464, B=<5, Cl-=1.4, Sr=95,SO4=5, TDS=96, Sb=<0.5, As=<0.5, Ba=18, Be=<0.2, Cr=<0.5,Co=<0.5, Fe=65.4, Mn=NA, Mo=1.3, Ni=<0.5, Se=<0.5, Tl=<0.1, V=2MR36 (UNK-UNK): pH=8.7, Eh=166, B=<5, Cl-=2.7, Sr=<0.5,SO4=11.7, TDS=75, Sb=<0.5, As=<0.5, Ba=<0.3, Be=<0.2, Cr=<0.5,Co=<0.5, Fe=105, Mn=NA, Mo=<0.5, Ni=<0.5, Se=<0.5, Tl=<0.1, V=<1MR37 (UNK-UNK): pH=6.1, Eh=535, B=<5, Cl-=5.3, Sr=21.9,SO4=<2, TDS=2040, Sb=<0.5, As=<0.5, Ba=32.3, Be=<0.2, Cr=2.8,Co=<0.5, Fe=<50, Mn=NA, Mo=<0.5, Ni=<0.5, Se=<0.5, Tl=<0.1, V=<1MR38 (UNK-UNK): pH=5.8, Eh=510, B=<5, Cl-=1.5, Sr=36,SO4=<2, TDS=224, Sb=<0.5, As=<0.5, Ba=91.7, Be=0.21, Cr=1.7,Co=<0.5, Fe=<50, Mn=NA, Mo=<0.5, Ni=0.51, Se=<0.5, Tl=<0.1, V=<1MR4 (UNK-UNK): pH=7.1, Eh=259, B=<25, Cl-=55, Sr=580,SO4=<1, TDS=200, Sb=<1, As=0.66, Ba=370, Be=0.19, Cr=<5,Co=0.36, Fe=1200, Mn=NA, Mo=<10, Ni=3.5, Se=0.3, Tl=<0.5, V=<5MR40 (UNK-UNK): pH=6.4, Eh=316, B=<5, Cl-=2.8, Sr=100,SO4=<2, TDS=97, Sb=<0.5, As=<0.5, Ba=17.4, Be=<0.2, Cr=0.56,Co=<0.5, Fe=<50, Mn=NA, Mo=<0.5, Ni=<0.5, Se=<0.5, Tl=<0.1, V=1.5MR42 (UNK-UNK): pH=5.9, Eh=329, B=<5, Cl-=4.1, Sr=60.3,SO4=<2, TDS=47, Sb=<0.5, As=<0.5, Ba=35, Be=<0.2, Cr=0.96,Co=<0.5, Fe=<50, Mn=NA, Mo=<0.5, Ni=<0.5, Se=<0.5, Tl=<0.1, V=<1MR43 (UNK-UNK): pH=6.1, Eh=634, B=<5, Cl-=1.6, Sr=76.3,SO4=<2, TDS=90, Sb=<0.5, As=<0.5, Ba=43, Be=<0.2, Cr=4.8,Co=<0.5, Fe=190, Mn=NA, Mo=<0.5, Ni=1.2, Se=<0.5, Tl=<0.1, V=3.9SEE INSET A FOR CONTINUATIONINSET AMR2 Office (UNK-UNK): pH=6.3, Eh=316, B=<5, Cl-=1.1, Sr=378,SO4=3.4, TDS=92, Sb=<0.5, As=<0.5, Ba=90.2, Be=<0.2, Cr=<0.5,Co=<0.5, Fe=109, Mn=NA, Mo=2.1, Ni=3.2, Se=<0.5, Tl=<0.1, V=2.8MR30 (UNK-UNK): pH=6.4, Eh=NM, B=NA, Cl-=1, Sr=163,SO4=5, TDS=68, Sb=NA, As=0.39, Ba=30.5, Be=NA, Cr=3.22,Co=NA, Fe=27, Mn=NA, Mo=0.67, Ni=0.61, Se=0.43, Tl=NA, V=2.24MR44 (UNK-UNK): pH=6.2, Eh=388, B=5.1, Cl-=1.6, Sr=196,SO4=<2, TDS=93, Sb=<0.5, As=<0.5, Ba=33, Be=<0.2, Cr=1.2,Co=<0.5, Fe=327, Mn=NA, Mo=<0.5, Ni=<0.5, Se=<0.5, Tl=<0.1, V=5.1MR45 (UNK-UNK): pH=5.6, Eh=488, B=<5, Cl-=6.2, Sr=37.4,SO4=<2, TDS=65, Sb=<0.5, As=<0.5, Ba=127, Be=<0.2, Cr=1,Co=<0.5, Fe=<50, Mn=NA, Mo=<0.5, Ni=0.97, Se=<0.5, Tl=<0.1, V=<1MR46 (UNK-UNK): pH=6.5, Eh=314, B=<5, Cl-=1.6, Sr=45.7,SO4=2.3, TDS=55, Sb=<0.5, As=<0.5, Ba=38.7, Be=<0.2, Cr=0.97,Co=<0.5, Fe=<50, Mn=NA, Mo=<0.5, Ni=<0.5, Se=<0.5, Tl=<0.1, V=1.2MR47 (UNK-UNK): pH=6.1, Eh=318, B=<5, Cl-=1.1, Sr=129,SO4=<2, TDS=50, Sb=<0.5, As=<0.5, Ba=83.5, Be=<0.2, Cr=1.6,Co=<0.5, Fe=<50, Mn=NA, Mo=<0.5, Ni=0.72, Se=<0.5, Tl=<0.1, V=1.7MR48 (UNK-UNK): pH=6.2, Eh=409, B=<5, Cl-=2.5, Sr=55.8,SO4=<2, TDS=49, Sb=<0.5, As=<0.5, Ba=58.4, Be=<0.2, Cr=1.4,Co=<0.5, Fe=<50, Mn=NA, Mo=<0.5, Ni=0.52, Se=<0.5, Tl=<0.1, V=1.1MR6 (UNK-UNK): pH=6.2, Eh=421, B=<5, Cl-=4.7, Sr=291,SO4=<2, TDS=103, Sb=<0.5, As=<0.5, Ba=50.5, Be=<0.2, Cr=1,Co=<0.5, Fe=<50, Mn=NA, Mo=<0.5, Ni=<0.5, Se=<0.5, Tl=<0.1, V=1.5MR8 (UNK-UNK): pH=6.4, Eh=412, B=<5, Cl-=2.2, Sr=44.1,SO4=2.6, TDS=98, Sb=<0.5, As=<0.5, Ba=14, Be=<0.2, Cr=0.81,Co=<0.5, Fe=<50, Mn=NA, Mo=1.9, Ni=<0.5, Se=<0.5, Tl=<0.1, V=2.4MR9 (UNK-UNK): pH=NM, Eh=NM, B=<5, Cl-=1, Sr=83.5,SO4=<2, TDS=83, Sb=<0.5, As=<0.5, Ba=17.6, Be=<0.2, Cr=0.92,Co=<0.5, Fe=<50, Mn=NA, Mo=<0.5, Ni=<0.5, Se=<0.5, Tl=<0.1, V=6.4MS-8 (20.00-30.00): pH=4.9, Eh=340, B=<50, Cl-=1.1, Sr=102,SO4=<1, TDS=68, Sb=<0.5, As=0.12 B, Ba=37.6, Be=0.052 j, Cr=4.8,Co=0.18, Fe=486, Mn=6.4, Mo=<0.5, Ni=1.6, Se=<0.5, Tl=<0.1, V=4.6MS-09 (40.00-50.00): pH=6.4, Eh=300, B=<50, Cl-=0.98 j, Sr=190,SO4=<1, TDS=71, Sb=0.18 j, As=0.17 B, Ba=41.8, Be=<0.1, Cr=2,Co=0.05 j, Fe=28.1 j, Mn=13, Mo=0.19 j, Ni=<0.5, Se=<0.5, Tl=<0.1, V=2.4MS-10 (13.34-23.34): pH=4.7, Eh=540, B=<50, Cl-=1.1, Sr=21.5,SO4=<1, TDS=<25, Sb=<0.5, As=0.053 j,B, Ba=140, Be=0.13, Cr=0.75,Co=0.52, Fe=41.7 j, Mn=20.6, Mo=<0.5, Ni=1.4, Se=<0.5, Tl=<0.1, V=0.29 jMS-11 (32.72-42.72): pH=4.5, Eh=332, B=<50, Cl-=2.8, Sr=88.4,SO4=3.6, TDS=47, Sb=<0.5, As=0.051 j,B, Ba=72.3, Be=0.052 j, Cr=2.4,Co=0.16, Fe=160, Mn=13.8, Mo=<0.5, Ni=1, Se=<0.5, Tl=0.019 j, V=0.29 jMS-12 (21.09-31.09): pH=4.6, Eh=518, B=<50, Cl-=3.4, Sr=32.5,SO4=<1, TDS=<25, Sb=<0.5, As=0.042 j,B, Ba=86.6, Be=0.18, Cr=2,Co=1.2, Fe=<50, Mn=14.9, Mo=<0.5, Ni=1.6, Se=<0.5, Tl=0.043 j, V=0.17 jMS-13 (31.52-41.52): pH=4.5, Eh=365, B=<50, Cl-=2.9, Sr=380,SO4=<1, TDS=56, Sb=<0.5, As=0.12 B, Ba=101, Be=0.25, Cr=0.3 j,Co=0.032 j, Fe=26.5 j, Mn=9.6, Mo=<0.5, Ni=<0.5, Se=0.36 j, Tl=<0.1, V=0.48MS-14 (34.38-44.38): pH=5.9, Eh=390, B=<50, Cl-=0.86 j, Sr=398,SO4=<1, TDS=57, Sb=<0.5, As=0.2 B, Ba=46.3, Be=<0.1, Cr=0.99,Co=0.027 j, Fe=<50, Mn=<5, Mo=<0.5, Ni=1.4, Se=<0.5, Tl=<0.1, V=2.4MS-15 (53.08-63.08): pH=6.5, Eh=352, B=<50, Cl-=2.1, Sr=492,SO4=0.95 j, TDS=103, Sb=0.41 j, As=0.12 B, Ba=126, Be=<0.1, Cr=16.5,Co=<0.1, Fe=<50, Mn=<5, Mo=0.55, Ni=2.3, Se=0.33 j, Tl=<0.1, V=5MS-16 (27.46-37.46): pH=5.9, Eh=403, B=<50, Cl-=1.4, Sr=310,SO4=<1, TDS=85, Sb=<0.5, As=0.11 B, Ba=94.6, Be=0.025 j, Cr=3.4,Co=0.12, Fe=282, Mn=6.5, Mo=0.26 j, Ni=1.7, Se=<0.5, Tl=<0.1, V=4.1MW-1 (67.10-77.10): pH=5.4, Eh=346, B=212, Cl-=139, Sr=2330,SO4=15.3, TDS=304, Sb=<0.5, As=0.085 j, Ba=330, Be=0.2, Cr=4.6,Co=0.062 j, Fe=<50, Mn=22.2, Mo=<0.5, Ni=2.7, Se=0.98, Tl=0.027 j, V=0.94MW-3 (15.90-25.90): pH=4.9, Eh=436, B=<50, Cl-=10.1, Sr=65.4,SO4=<1, TDS=37, Sb=<0.5, As=0.053 j,B, Ba=298, Be=0.58, Cr=1.4,Co=8.5, Fe=90.4, Mn=52.9, Mo=<0.5, Ni=2.3, Se=<0.5, Tl=0.071 j, V=0.26 jMW-4 (37.40-47.40): pH=5.4, Eh=355, B=<50, Cl-=2, Sr=100,SO4=0.12, TDS=36, Sb=<1, As=<1, Ba=51, Be=<1, Cr=<5,Co=<1, Fe=100, Mn=<5, Mo=<1, Ni=<5, Se=<1, Tl=<0.2, V=1.15MW-4D (55.50-60.50): pH=6.1, Eh=359, B=<50, Cl-=1.5, Sr=196,SO4=1.5, TDS=65, Sb=<1, As=<1, Ba=41, Be=<1, Cr=<5,Co=<1, Fe=<10, Mn=<5, Mo=<1, Ni=<5, Se=<1, Tl=<0.2, V=2.78MW-05 (18.00-28.00): pH=5.4, Eh=446, B=<50, Cl-=2.4, Sr=138,SO4=<1, TDS=26, Sb=<0.5, As=0.15, Ba=46.6, Be=0.3, Cr=0.56,Co=3.9, Fe=276, Mn=167, Mo=<0.5, Ni=0.99, Se=<0.5, Tl=<0.1, V=0.79 BMW-6S (14.88-24.88): pH=5.4, Eh=371, B=1360, Cl-=52.4, Sr=40,SO4=52.7, TDS=179, Sb=0.15 j, As=0.76, Ba=54.1, Be=0.65 M1,R1, Cr=1.6,Co=55.8, Fe=133, Mn=2700, Mo=<0.5, Ni=4.5, Se=<0.5, Tl=0.19, V=0.16 jMW-6D (82.53-87.53): pH=5.8, Eh=378, B=124, Cl-=122, Sr=1520,SO4=5.5, TDS=297, Sb=0.13 j, As=0.075 j,B, Ba=287, Be=0.029 j, Cr=0.36 j,Co=0.13, Fe=146, Mn=6.4, Mo=0.12 j, Ni=1.6, Se=<0.5, Tl=0.018 j, V=0.42MW-7S (10.60-20.60): pH=4.3, Eh=471, B=5130, Cl-=201, Sr=459,SO4=99.3, TDS=574, Sb=<0.5, As=3.3, Ba=84.9, Be=1.3, Cr=52.1,Co=50.9, Fe=169, Mn=4950, Mo=0.92, Ni=25.7, Se=19.4, Tl=0.48, V=0.17 j,BMW-7D (61.44-66.44): pH=7.2, Eh=90, B=291, Cl-=106, Sr=1320,SO4=73.5, TDS=460, Sb=<0.5, As=0.15, Ba=73.2, Be=0.025 j, Cr=<0.5,Co=0.018 j, Fe=884, Mn=692, Mo=0.35 j, Ni=<0.5, Se=<0.5, Tl=<0.1, V=<0.3MW-8D (92.70-97.70): pH=6.8, Eh=-66, B=239, Cl-=8.3 M1, Sr=1540,SO4=108, TDS=341, Sb=<0.5, As=0.091 j, Ba=11.7, Be=0.11, Cr=0.16 j,Co=0.35, Fe=863, Mn=114, Mo=0.15 j, Ni=<0.5, Se=<0.5, Tl=<0.1, V=0.14 j,BMW-8S (17.12-27.12): pH=6.5, Eh=218, B=236, Cl-=2.4, Sr=1550,SO4=40.1, TDS=474, Sb=<0.5, As=0.28, Ba=139, Be=<0.1, Cr=0.34 j,Co=1.2, Fe=845, Mn=4780, Mo=0.85, Ni=2.2, Se=0.54, Tl=<0.1, V=0.74 BMW-9D (90.20-95.20): pH=5.7, Eh=77, B=455, Cl-=6.6, Sr=1190,SO4=171, TDS=324, Sb=<0.5, As=0.12 B, Ba=91.2, Be=0.064 j, Cr=<0.5,Co=1.2, Fe=<50, Mn=947, Mo=<0.5, Ni=3.8, Se=<0.5, Tl=0.018 j, V=0.49MW-9S (20.78-30.78): pH=6.7, Eh=329, B=<50, Cl-=14.7, Sr=1070,SO4=54.9, TDS=375, Sb=<0.5, As=0.11 B, Ba=272, Be=<0.1, Cr=<0.5,Co=0.078 j, Fe=<50, Mn=<5, Mo=0.27 j, Ni=<0.5, Se=<0.5, Tl=0.12, V=1.8MW-10D (82.47-87.47): pH=6.4, Eh=311, B=<50, Cl-=1.5, Sr=103,SO4=4.1, TDS=66, Sb=<1, As=<1, Ba=19, Be=<1, Cr=<5,Co=<1, Fe=31, Mn=<5, Mo=<1, Ni=<5, Se=<1, Tl=<0.2, V=3.18MW-10S (14.21-29.21): pH=4.9, Eh=359, B=<50, Cl-=1, Sr=<5,SO4=<0.1, TDS=<25, Sb=<1, As=<1, Ba=44, Be=<1, Cr=<5,Co=<1, Fe=22, Mn=8, Mo=<1, Ni=<5, Se=<1, Tl=<0.2, V=<0.3MW-11D (88.10-93.10): pH=6.5, Eh=368, B=<50, Cl-=2.1, Sr=95,SO4=0.67, TDS=57, Sb=<1, As=<1, Ba=58, Be=<1, Cr=9,Co=<1, Fe=79, Mn=<5, Mo=<1, Ni=<5, Se=<1, Tl=<0.2, V=15.3MW-11S (39.12-54.12): pH=5.9, Eh=390, B=<50, Cl-=2.9, Sr=74,SO4=0.3, TDS=44, Sb=<1, As=<1, Ba=55, Be=<1, Cr=6,Co=<1, Fe=27, Mn=<5, Mo=<1, Ni=<5, Se=<1, Tl=<0.2, V=2.48MW-12S (10.10-25.10): pH=4.7, Eh=222, B=<50, Cl-=1.2, Sr=49,SO4=1, TDS=26, Sb=<1, As=<1, Ba=52, Be=<1, Cr=<5,Co=<1, Fe=19, Mn=<5, Mo=<1, Ni=<5, Se=<1, Tl=<0.2, V=0.614MW-12D (93.30-98.30): pH=6.0, Eh=348, B=<50, Cl-=1.1, Sr=169,SO4=4.8, TDS=64, Sb=<1, As=<1, Ba=18, Be=<1, Cr=<5,Co=<1, Fe=44, Mn=<5, Mo=<1, Ni=<5, Se=<1, Tl=<0.2, V=0.834MW-14S (31.87-46.87): pH=5.2, Eh=394, B=2340, Cl-=140, Sr=2270,SO4=290, TDS=550, Sb=<1, As=<1, Ba=29, Be=<1, Cr=<5,Co=4.86, Fe=389, Mn=32, Mo=<1, Ni=48, Se=6.06, Tl=<0.2, V=1.78MW-14D (57.60-62.60): pH=5.5, Eh=371, B=2140, Cl-=58, Sr=2120,SO4=200, TDS=380, Sb=<1, As=<1, Ba=35, Be=<1, Cr=<5,Co=1.95, Fe=34, Mn=42, Mo=<1, Ni=21, Se=3.07, Tl=<0.2, V=0.374MW-14BR (99.00-104.00): pH=6.2, Eh=263, B=53.7, Cl-=39.6, Sr=593,SO4=9.6, TDS=173, Sb=0.43 j, As=0.17, Ba=31.6, Be=<0.1, Cr=0.39 j,Co=0.05 j, Fe=69.8, Mn=4.3 j, Mo=0.33 j, Ni=0.8, Se=1.4, Tl=<0.1, V=3.4OB-1 (Ash Basin) (39.70-55.50): pH=5.4, Eh=453, B=1740, Cl-=238, Sr=3190,SO4=10.5, TDS=628, Sb=0.16 j, As=0.046 j, Ba=1010, Be=0.16, Cr=7.7,Co=0.095 j, Fe=34.6 j, Mn=16.3, Mo=0.23 j, Ni=8.3, Se=0.44 j, Tl=<0.1, V=0.5 BOB-01 (Dry Ash Landfill) (53.20-63.20): pH=NM, Eh=NM, B=NA, Cl-=NA, Sr=NA,SO4=NA, TDS=NA, Sb=NA, As=NA, Ba=NA, Be=NA, Cr=NA,Co=NA, Fe=NA, Mn=NA, Mo=NA, Ni=NA, Se=NA, Tl=NA, V=NAOB-2 (102.50-117.50): pH=NM, Eh=NM, B=NA, Cl-=NA, Sr=NA,SO4=NA, TDS=NA, Sb=NA, As=NA, Ba=NA, Be=NA, Cr=NA,Co=NA, Fe=NA, Mn=NA, Mo=NA, Ni=NA, Se=NA, Tl=NA, V=NAOB-3 (39.00-54.00): pH=NM, Eh=NM, B=NA, Cl-=NA, Sr=NA,SO4=NA, TDS=NA, Sb=NA, As=NA, Ba=NA, Be=NA, Cr=NA,Co=NA, Fe=NA, Mn=NA, Mo=NA, Ni=NA, Se=NA, Tl=NA, V=NACCR-1D (85.89-90.89): pH=8.7, Eh=310, Sb=<0.5, As=0.4, Ba=11.9,Be=0.032 j, B=<50, Cd=<0.08, Cl-=1.4, Cr=0.11 j, Co=0.02 j, Mo=0.8,Se=<0.5, SO4=2, Tl=0.028 j, TDS=58CCR-1S (22.91-37.91): pH=5.4, Eh=379, Sb=<0.5, As=0.41, Ba=106,Be=0.38, B=<50, Cd=<0.08, Cl-=4.1, Cr=0.97, Co=3.5, Mo=0.13 j,Se=<0.5, SO4=1.1, Tl=0.044 j, TDS=57CCR-2D (76.96-81.96): pH=5.5, Eh=478, Sb=<0.5, As=0.066 j, Ba=31.2,Be=0.097 j, B=134, Cd=<0.08, Cl-=5.4, Cr=1.1, Co=0.054 j, Mo=<0.5,Se=<0.5, SO4=6, Tl=<0.1, TDS=38CCR-2S (19.75-34.75): pH=5.2, Eh=295, Sb=<0.5, As=0.093 j, Ba=62.6,Be=0.13, B=123, Cd=0.085, Cl-=6.9, Cr=0.14 j, Co=7.5, Mo=<0.5,Se=<0.5, SO4=12.4, Tl=0.12, TDS=29CCR-3S (21.23-36.23): pH=4.8, Eh=414, Sb=<0.5, As=<0.1, Ba=34.1,Be=0.13, B=<50, Cd=<0.08, Cl-=3.5, Cr=0.82, Co=0.24, Mo=<0.5,Se=<0.5, SO4=<1, Tl=0.035 j, TDS=<25CCR-3D (96.36-101.36): pH=6.3, Eh=156, Sb=<0.5, As=0.058 j, Ba=39.6,Be=<0.1, B=<50, Cd=<0.08, Cl-=1.2, Cr=0.14 j, Co=<0.1, Mo=0.26 j,Se=0.46 j, SO4=97, Tl=<0.1, TDS=215CCR-04S (20.24-35.24): pH=4.5, Eh=346, Sb=<0.5, As=0.46, Ba=99,Be=0.6, B=243, Cd=0.71, Cl-=9.2, Cr=0.2 j, Co=90.1, Mo=<0.5,Se=1.2, SO4=120, Tl=0.61, TDS=187CCR-4D (100.25-105.25): pH=6.6, Eh=345, Sb=<0.5, As=0.14, Ba=53.2,Be=<0.1, B=<50, Cd=<0.08, Cl-=0.86 j, Cr=0.81, Co=1.8, Mo=0.59,Se=0.35 j, SO4=75.9, Tl=<0.1, TDS=185CCR-5S (18.34-33.34): pH=6.4, Eh=107, Sb=<0.5, As=1.1, Ba=103,Be=0.091 j, B=112, Cd=<0.08, Cl-=12.1, Cr=0.37 j, Co=0.84, Mo=0.5j, Se=<0.5, SO4=69, Tl=<0.1, TDS=246CCR-5D (80.14-85.14): pH=6.5, Eh=93, Sb=<0.5, As=0.51, Ba=67.3,Be=0.047 j, B=<50, Cd=<0.08, Cl-=3.3, Cr=0.39 j, Co=0.47, Mo=0.69,Se=<0.5, SO4=37, Tl=<0.1, TDS=160CCR-9D (95.46-100.46): pH=12.3, Eh=136, Sb=1.7, As=0.13,Ba=338, Be=<, B=<, Cd=<, Cl-=3.4, Cr=15.5, Co=1.4, Mo=4.5,Se=0.34 j, SO4=6.7, Tl=0.55, TDS=<CCR-9S (30.20-45.20): pH=4.2, Eh=724, Sb=<0.5, As=1.3, Ba=136,Be=2.4, B=4250, Cd=0.96, Cl-=216 M6, Cr=22, Co=129, Mo=0.31 j,Se=7, SO4=93.1 M6, Tl=0.24, TDS=448CCR-9DA (114.10-119.10): pH=9.1, Eh=-172, Sb=0.52, As=0.76,Ba=63.7, Be=<0.1, B=<50, Cd=<0.08, Cl-=40.3, Cr=2.6, Co=0.32,Mo=2.1, Se=<0.5, SO4=25.4, Tl=<0.1, TDS=197CCR-10S (7.76-22.76): pH=5.7, Eh=507, Sb=<5, As=0.57 j, Ba=90.8,Be=<1, B=4820, Cd=<0.8, Cl-=212, Cr=26.8, Co=33, Mo=<5,Se=<5, SO4=123, Tl=0.53 j, TDS=687CCR-10D (68.43-73.43): pH=5.4, Eh=409, Sb=<5, As=<1, Ba=577,Be=<1, B=2000, Cd=<0.8, Cl-=260, Cr=<5, Co=0.29 j, Mo=<5,Se=<5, SO4=10.6, Tl=<1, TDS=671CCR-12S (8.40-23.40): pH=4.4, Eh=767, Sb=<0.5, As=1.3, Ba=2250,Be=5.2, B=3620, Cd=1.3, Cl-=246, Cr=1.7, Co=86.7, Mo=<0.5,Se=4.4, SO4=17.6, Tl=0.76, TDS=410CCR-12D (84.66-89.66): pH=5.6, Eh=222, Sb=<0.5, As=0.077 j, Ba=60.9,Be=<0.1, B=<50, Cd=<0.08, Cl-=3.3, Cr=1, Co=0.13, Mo=<0.5, Se=<0.5,SO4=9.3, Tl=<0.1, TDS=93CCR-11S (7.81-22.81): pH=4.0, Eh=428, Sb=<0.5, As=3.9, Ba=63.2,Be=1.8, B=5300, Cd=0.24, Cl-=232, Cr=1, Co=90.8, Mo=<0.5,Se=15.9, SO4=126, Tl=3.1, TDS=493CCR-11D (74.87-79.87): pH=5.3, Eh=763, Sb=<0.5, As=0.07 j, Ba=921,Be=0.55, B=2340, Cd=1.2, Cl-=290, Cr=3.4, Co=4.4, Mo=<0.5, Se=<0.5,SO4=14.5, Tl=0.24, TDS=508CCR-16S (8.70-23.70): pH=6.0, Eh=217, Sb=<0.5, As=0.29, Ba=62.8,Be=0.053 j, B=<50, Cd=<0.08, Cl-=3.8, Cr=0.92, Co=1.8, Mo=1.2,Se=0.34 j, SO4=13, Tl=<0.1, TDS=79CCR-16D (46.45-51.45): pH=6.3, Eh=342, Sb=<0.5, As=0.44, Ba=38.4,Be=0.02 j, B=<50, Cd=<0.08, Cl-=3.6, Cr=0.61, Co=0.031 j, Mo=1.1,Se=0.4 j, SO4=9.7, Tl=<0.1, TDS=131CCR-15S (6.51-21.51): pH=5.6, Eh=402, Sb=<0.5, As=0.14, Ba=10.7,Be=0.13, B=<50, Cd=<0.08, Cl-=1.9, Cr=2.9, Co=0.2, Mo=<0.5,Se=0.34 j, SO4=1.3, Tl=<0.1, TDS=36CCR-15D (56.23-61.23): pH=6.1, Eh=282, Sb=<0.5, As=0.56, Ba=359,Be=<0.1, B=<50, Cd=<0.08, Cl-=3, Cr=2.8, Co=0.054 j, Mo=0.33 j,Se=0.86, SO4=6.3, Tl=<0.1, TDS=113AB-9BR (78.00-83.00): pH=7.0, Eh=131, B=<50, Cl-=1.5, Sr=262,SO4=17.2, TDS=180, Sb=<0.5, As=0.7, Ba=205, Be=<0.1, Cr=<0.5,Co=0.16, Fe=711, Mn=95, Mo=5.2, Ni=1.5, Se=0.34 j, Tl=<0.1, V=<0.3CCR-14D (59.59-64.59): pH=5.5, Eh=318, Sb=<0.5, As=0.058 j, Ba=541,Be=0.04 j, B=1850, Cd=<0.08, Cl-=251, Cr=0.84, Co=0.069 j, Mo=<0.5,Se=<0.5, SO4=10.1, Tl=0.032 j, TDS=551CCR-14S (7.22-22.22): pH=4.8, Eh=621, Sb=<0.5, As=0.69, Ba=841,Be=1.7, B=2290, Cd=0.52, Cl-=338 M6, Cr=10.7, Co=10.7, Mo=0.31j, Se=1.9, SO4=41.3, Tl=0.15, TDS=630SOURCE NOTES:NOT ALL UTILITIES ARE IDENTIFIED ON THIS DRAWING. THE UTILITIES SHOWN ON THIS DRAWING AREVISUAL AIDS. THE HORIZONTAL AND VERTICAL LOCATIONS OF THE UTLITIES HAVE NOT BEEN FIELDVERIFIED. ANY UTILITIES SHOWN ARE APPROXIMATE.TOPOGRAPHY IS BASED ON LIDAR BARE EARTH DATA OBTAINED FROM THE FRIS\NORTH CAROLINA FLOODRISK INFORMATION SYSTEM AT http://fris.nc.gov/fris/Download.aspx?FIPS=031&ST=NC&user=General%20PublicAND A DRAWING TITLED AERIAL TOPOGRAPHIC SURVEY-MARSHALL STEAM STATION BY WSP, JOB NUMBER157002.00 AND DRAWING FILE NAME APRIL2014_MARSHALL_10-30-15.DWGSAMPLE LOCATIONS WERE OBTAINED FROM HDR INFORMATION AND MAY BE APPROXIMATE IN SOME CASES.DATA NOTES:DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICAL DATA TABLE NOTES FORQUALIFIER DEFINITIONS.DATA SHOWN ON MAP IS THE MOST RECENT DATA AVAILABLE THROUGH Q3 2017.NA=NOT ANALYZEDNM=NOT MEASUREDDATA IS EXCLUDED FOR THE WELLS WITH A MEASURED TURBIDITY GREATER THAN 10 NTU's AND /ORHIGH pH VALUES THAT MAY INDICATE POSSIBLE GROUT INTRUSION INTO THE WELL SCREEN.Well ID (SCREENED INTERVAL IN ft. bgs): pH (S.U.), Eh (mV), k= hydraulic conductivity (ft/day)As=Arsenic (ug/L): Ba=Barium (ug/L): B=Boron (ug/L): Be=Beryllium(ug/L): Cd=Cadmium(ug/L): Cl=Chloride (mg/L): Cr=Total Chromium (ug/L):Co=Cobalt (ug/L): Fe=Iron (ug/L): Mn=Manganese (ug/L): Mo=Molybdenum(ug/L): Ni=Nickel (ug/L): Sb=Antimony(ug/L): Se=Selenium(ug/L):Sr=Strontium (ug/L): SO4=Sulfate (mg/L): Tl=Thallium (ug/L): TDS=Total Dissolved Solids (mg/L): V=Vanadium (ug/L)WELL KEYSTRUCTURAL FILL BOUNDARY104NPDES OUTFALL 002ANPDES OUTFALL 002BNPDES OUTFALL 003UNK=UNKNOWN LAKE NORMANBGSB-GWA-6BORROW AREABGSB-GWA-2BGSB-GWA-4MR1001MR1009MR1002MR1006MR1008MR1010SOURCE NOTES:NOT ALL UTILITIES ARE IDENTIFIED ON THIS DRAWING. THE UTILITIES SHOWN ON THISDRAWING ARE VISUAL AIDS. THE HORIZONTAL AND VERTICAL LOCATIONS OF THE UTLITIESHAVE NOT BEEN FIELD VERIFIED. ANY UTILITIES SHOWN ARE APPROXIMATE.LEGENDWELL IN DEEP ZONEWELL IN SHALLOW ZONEWELL IN BEDROCK ZONEABMW-07WELL IN ASH PORE WATERWELL ABANDONEDABMW-05SASH BASIN COMPLIANCE BOUNDARYPARCEL LINE DUKE ENERGY (APPROXIMATE)ASH BASIN WASTE BOUNDARYWATER SUPPLY WELL SAMPLEDWATER SAMPLE LOCATION SAMPLEDSURFACE WATER FLOW DIRECTIONFIGURE 14-79COMPREHENSIVESURFACE WATER ANDAREA OF WETNESSMARSHALL STEAM STATION8320 NC HIGHWAY 150 ETERRELL, NORTH CAROLINADUKEENERGYCAROLINASFIG 14-79 (SW & AOW)BRIAN WILKERJOHN CHASTAINPROJECT MANAGER:LAYOUT NAME:DRAWN BY:CHECKED BY:TODD PLATINGDATE:DATE:www.synterracorp.com148 River Street, Suite 220Greenville, South Carolina 29601864-421-99991/24/20181/24/2018GRAPHIC SCALE6003001500300(IN FEET)S-2AREA OF WETNESS (AOW) SAMPLE LOCATIONWATER SUPPLY WELL NOT SAMPLEDAPPROXIMATE STREAM (NON-JD)TOPOGRAPHY IS BASED ON LIDAR BARE EARTH DATA OBTAINED FROM THE FRIS\NORTH CAROLINA FLOODRISK INFORMATION SYSTEM AT http://fris.nc.gov/fris/Download.aspx?FIPS=031&ST=NC&user=General%20PublicAND A DRAWING TITLED AERIAL TOPOGRAPHIC SURVEY-MARSHALL STEAM STATION BY WSP, JOB NUMBER157002.00 AND DRAWING FILE NAME APRIL2014_MARSHALL_10-30-15.DWGSAMPLE LOCATIONS WERE OBTAINED FROM HDR INFORMATION AND MAY BE APPROXIMATE INSOME CASES.SOIL OR GEOTECHNICAL BORINGAPPROXIMATE POND OR RESERVOIR (NON-JD)APPROXIMATE ASH BASIN PONDED WATERSW-AB8SB-12LANDFILL COMPLIANCE BOUNDARYLANDFILL BOUNDARYGWA-12DAB-14DAB-14SAB-13SAB-13DAB-7DAB-7SAB-8DAB-8SAB-20DAB-20SAB-15BRAB-15DAB-15SAB-15SLAL-4BRAL-4DAB-16DAB-16SAB-18SAB-18DAB-17DAB-17SGWA-4DGWA-3DGWA-3SAL-3BRAL-3SAL-3DAB-11SAB-11DAL-2BRLAL-2BRAL-2DAL-2SGWA-14SGWA-14DGWA-13SGWA-13DAGWA-13DAB-6SAB-6DAB-9BRAB-6BRBG-3SBG-3DBG-3BRBG-1SBG-1DBG-1BRABG-1BRBG-2BRBG-2SCCR-16SCCR-16DCCR-15DCCR-15SGWA-10SGWA-10DGWA-15SGWA-11SGWA-11DGWA-11BRCCR-14SCCR-14DAL-1SAL-1DCCR-13SCCR-13DCCR-12SCCR-12DCCR-11DCCR-11SCCR-10SCCR-10DCCR-9DACCR-9DCCR-9SAB-1BRAB-1DAB-1SAB-2SAB-2DCCR-5SCCR-5DCCR-4SCCR-4DCCR-3DCCR-3SAB-21DAB-21SAB-9DAB-9SAB-10BRAB-10DAB-10SAB-10SLAB-12BRAB-12DAB-12SAB-12SLC-1AB-5BRAB-5DAB-5SAB-4DAB-4SAB-4SLAB-3SAB-3DCCR-1SCCR-1DCCR-2SCCR-2DGWA-2DAGWA-2SGWA-2DGWA-1SGWA-1DGWA-1BRINDUSTRIAL LANDFILL NO. 1SHERRILL'S FORD RDISLAND POINT RDSHERRILL'S FORD RDSHERRILL'S FORD RDGREGORY RDGWA-7DGWA-7SMW-14SMW-14BRMW-14DMW-1OB-1 (DAF)MW-6SMW-6DMW-10DMW-10SMW-7SMW-7DMW-8SMW-8DMW-9DMW-9SSW-1SW-10SW-11SW-4SW-5SW-3MS-8MS-9MS-10MS-16MS-15MS-14MS-11MS-12MS-13MW-11DMW-11SGWA-12BRGWA-12SMW-12DMW-12SSW-2SW-9SW-8MW-13DMW-13SGWA-9BRSW-7GWA-4SMW-4DMW-4MW-7(OW-3)MW-6(OW-2)MW-5MW-3MW-2GWA-6DGWA-6SGWA-5DGWA-5SGWA-8DGWA-8SNPDES OUTFALL 101NPDES OUTFALL 102DEMOLITIONLANDFILLASBESTOS LANDFILLDRY ASH LANDFILL (PHASE II)DRY ASH LANDFILL(PHASE I)ISA L N D P O I N T R DCAPAS COVE RDISLAND POINT RDFGD RESIDUE LANDFILLPERMIT NO. 1809PV STRUCTURAL FILLACTIVE ASH BASINCELL 2CELL 4CELL 1CELL 3NEW EMERGENCY SPILLWAYNEW OUTFLOW STRUCTUREDISCHARGE TOWER (INACTIVE)NEW DISCHARGESTRUCTUREAB-6BRLAB-6BRAAB-1BRLAL-4BRLAL-1BRMR32MR35MR40MR31MR22MR8MR10MR25MR12MR11MR38MR43MR23MR14MR20MR33MR37MR42MR1MR26MR17MR4MR18MR6MR45MR48MR44PUBLIC WATER SUPPLY WELL NOT SAMPLEDPWS:0118497PWS:0118497PWS:0118780PWS:0118623PWS:0118622GREENWOOD RDC L EM E N T C I R ST U T T S S TSTUTTS STSB-1S-2MSSW002MSSW001SW-6S-1SB-14SB-11SB-10SB-7SB-4SB-8SB-3SB-2SB-5SB-13OB-1 (ASH BASIN)MR36MR16MR21MR46PIEZOMETER IN SHALLOW ZONEP-102MS-4MS-5MS-2MS-3MS-7MS-1MR13MR9SB-15MS-6PIEZOMETER ABANDONEDMS-7AB-10BRAB-10DAB-10SLAL-2BRLLSW-12NPDES OUTFALL 002MR45MR29MR47DATA NOTES:DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICAL DATATABLE NOTES FOR QUALIFIER DEFINITIONS.DATA SHOWN ON MAP IS THE MOST RECENT DATA AVAILABLE THROUGH Q3 2017.NA=NOT ANALYZEDNM=NOT MEASUREDSample ID: pH (S.U.), Eh (mV),As=Arsenic (ug/L): Ba=Barium (ug/L): B=Boron (ug/L): Be=Beryllium(ug/L): Cd=Cadmium(ug/L): Cl=Chloride (mg/L): Cr=Total Chromium (ug/L):Co=Cobalt (ug/L): Fe=Iron (ug/L): Mn=Manganese (ug/L): Mo=Molybdenum(ug/L): Ni=Nickel (ug/L): Sb=Antimony(ug/L): Se=Selenium(ug/L):Sr=Strontium (ug/L): SO4=Sulfate (mg/L): Tl=Thallium (ug/L): TDS=Total Dissolved Solids (mg/L): V=Vanadium (ug/L)SAMPLE KEYSW-1: pH=6.3, Eh=286, B=6500, Cl-=215, Sr=527,SO4=106, TDS=662, Sb=0.3 j, As=3.8, Ba=62, Be=0.088 j,B, Cd=0.11, Cr=0.29j, Co=3.1, Fe=674, Mn=1170, Mo=3.8, Ni=7.9, Se=1.4, Tl=0.37, V=0.54S-1: pH=6.3, Eh=279, B=1080, Cl-=4.3, Sr=NA,SO4=89, TDS=190, Sb=<1, As=<1, Ba=87, Be=<1, Cd=<1, Cr=1.42,Co=NA, Fe=2760, Mn=450, Mo=<1, Ni=3.41, Se=1.55, Tl=<0.2, V=NAS-2: pH=6.0, Eh=1037, B=4780, Cl-=220, Sr=NA,SO4=130, TDS=680, Sb=<1, As=1.3, Ba=110, Be=<1, Cd=<1, Cr=3.15,Co=NA, Fe=12400, Mn=9610, Mo=<1, Ni=2.72, Se=<1, Tl=0.48, V=NAMSSW001: pH=6.7, Eh=115, B=43 j, Cl-=3.4, Sr=350,SO4=51.4, TDS=154, Sb=0.22 j, As=1.1, Ba=58, Be=<0.2, Cd=0.04 j, Cr=1.3,Co=0.44 j, Fe=830, Mn=23, Mo=7.1, Ni=1, Se=0.82, Tl=0.073 j, V=3.2MSSW002: pH=6.4, Eh=427, B=7000, Cl-=220, Sr=650,SO4=129, TDS=757, Sb=0.25 j, As=11.6, Ba=91, Be=0.19 j, Cd=0.037 j, Cr=0.47j, Co=2.4, Fe=1100, Mn=1700, Mo=7.2, Ni=5.4, Se=1.5, Tl=0.075 j, V=1.8SW-2: pH=7.1, Eh=313, B=6700, Cl-=196, Sr=628,SO4=117, TDS=522, Sb=0.43 J, As=10.1, Ba=78.2, Be=0.057 J, Cd=<0.08,Cr=0.44 J, Co=2.1, Fe=276, Mn=970, Mo=9.6, Ni=6, Se=0.78, Tl=0.22, V=1.9SW-3: pH=6.6, Eh=270, B=118, Cl-=6.9, Sr=209,SO4=57.9, TDS=147, Sb=<0.5, As=0.65, Ba=94, Be=0.01 j,B, Cd=<0.08, Cr=0.17 j,Co=0.85, Fe=843, Mn=188, Mo=<0.5, Ni=1.6, Se=<0.5, Tl=<0.1, V=0.34SW-4: pH=2.7, Eh=713, B=3160, Cl-=42, Sr=846,SO4=726, TDS=1080, Sb=<0.5, As=2.8, Ba=38.6, Be=1.9, Cd=0.21, Cr=2.6,Co=16.9, Fe=16900, Mn=2340, Mo=0.33 j,B, Ni=29.5, Se=7.1, Tl=1.5, V=0.21 jSW-5: pH=2.8, Eh=628, B=5030, Cl-=54.9, Sr=1020,SO4=768, TDS=1100, Sb=<0.5, As=3.1, Ba=46.5, Be=1.9, Cd=0.18, Cr=2.6,Co=18.2, Fe=20800, Mn=2580, Mo=2.6, Ni=33.4, Se=10.5, Tl=1.9, V=0.2 jSW-6: pH=6.5, Eh=357, B=76.8, Cl-=8.6, Sr=72.7,SO4=6.5, TDS=52, Sb=0.14 j, As=0.54, Ba=27.1, Be=0.016 j,B, Cd=<0.08, Cr=0.41j, Co=0.4, Fe=550, Mn=388, Mo=0.26 j,B, Ni=<0.5, Se=<0.5, Tl=<0.1, V=0.79SW-7: pH=6.5, Eh=278, B=<50, Cl-=2.4, Sr=68.3,SO4=0.51 j, TDS=85, Sb=<0.5, As=0.77, Ba=42, Be=0.027 j,B, Cd=<0.08, Cr=0.37 j,Co=0.34, Fe=1140, Mn=55.3, Mo=0.25 j,B, Ni=<0.5, Se=<0.5, Tl=<0.1, V=1.5SW-8: pH=6.4, Eh=238, B=<50, Cl-=2.2, Sr=43.6,SO4=0.51 j, TDS=70, Sb=<0.5, As=0.11, Ba=34.9, Be=0.027 j,B, Cd=<0.08, Cr=0.77,Co=1, Fe=1350, Mn=101, Mo=0.21 j,B, Ni=<0.5, Se=<0.5, Tl=<0.1, V=2.3SW-9: pH=6.2, Eh=341, B=85.2, Cl-=8.5, Sr=48.3,SO4=4.6, TDS=43, Sb=0.12 j, As=0.6, Ba=26.7, Be=0.026 j,B, Cd=<0.08, Cr=0.24 j,Co=1, Fe=269, Mn=400, Mo=0.24 j,B, Ni=<0.5, Se=<0.5, Tl=<0.1, V=0.58SW-10: pH=6.2, Eh=278, B=2560, Cl-=95.8, Sr=231,SO4=48.2, TDS=304, Sb=0.18 j, As=2, Ba=37.2, Be=0.046 j,B, Cd=<0.08, Cr=0.2 j,Co=1.5, Fe=412, Mn=717, Mo=1.7, Ni=3.2, Se=0.56, Tl=0.16 B, V=0.6SW-11: pH=6.3, Eh=314, B=56, Cl-=6.3, Sr=29,SO4=3.4, TDS=61, Sb=0.16 j, As=0.61, Ba=17.3, Be=<0.1, Cd=<0.08, Cr=0.3 j,Co=0.17, Fe=226, Mn=329, Mo=0.3 j,B, Ni=<0.5, Se=<0.5, Tl=<0.1, V=0.67SW-12: pH=6.3, Eh=356, B=91.8, Cl-=10.1, Sr=69.8,SO4=6.5, TDS=59, Sb=0.14 j, As=0.59, Ba=30.6, Be=0.042 j,B, Cd=<0.08, Cr=0.46j, Co=0.52, Fe=541, Mn=424, Mo=0.38 j,B, Ni=<0.5, Se=<0.5, Tl=0.038 j,B, V=0.94104104: pH=4.5, Eh=557, B=6460, Cl-=230, Sr=NA,SO4=120, TDS=760, Sb=<1, As=2.04, Ba=61, Be=NA, Cd=<1, Cr=<1,Co=NA, Fe=266, Mn=5760, Mo=<1, Ni=1.42, Se=<1, Tl=0.344, V=NASTRUCTURAL FILL BOUNDARYNPDES OUTFALL 002ANPDES OUTFALL 002BNPDES OUTFALL 003