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Home My WebLink AboutNC0003425_Roxboro CSA Figures_20171031148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY: CRAIG EADY DATE:ADAM FEIGL ES1 - ROX 10/09/2017 10/29/2017 2:38 PM P:\Duke Energy Progress.1026\00 GIS BASE DATA\Roxboro\Map_Docs\CSA_Supplement_2\3D SCM\Rox_3D_ES1.dwg FIGURE ES-1 APPROXIMATE EXTENT OF IMPACTS ROXBORO STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC SEMORA, NORTH CAROLINA VISUAL AID ONLY - DEPICTION NOT TO SCALE PROGRESS SURFICIAL BEDROCK HYCO LAKE HYCO LAKE HEATED WATER DISCHARGE POND COOLING WATER INTAKE POND NORTH ROX B O R O P L A N T R O A D SEM O R A R O A D ( H I G H W A Y 5 7 ) DUNNAWAY ROAD MCGEHEES MILL ROADCOOLI N G W A T E R I N T A K E C A N A L LCID LANDFILL TRANSITION ZONE ROXBORO STEAM ELECTRIC PLANT WEST ASH BASIN INDUSTRIAL LANDFILLEAST ASH BASIN GYPSUM STORAGE AREA FGD PONDS WAB EXTENSION IMPOUNDMENT EAB EXTENSION IMPOUNDMENT ASH BASIN WASTE BOUNDARY GENERALIZED GROUNDWATER FLOW DIRECTION APPROXIMATE LANDFILL WASTE BOUNDARY NOTE: 1.OCTOBER, 2016 AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON SEPTEMBER 27, 2017, DATED JUNE 13, 2016. 2.STREAM FROM WSP SURVEY, 2014. 3.GENERALIZED GROUNDWATER FLOW DIRECTION BASED ON APRIL 10, 2017 WATER LEVEL DATA. 4.PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY. 5.GENERALIZED AREAL EXTENT OF MIGRATION REPRESENTED BY NCAC 02L EXCEEDANCES OF BORON, SULFATE, OR TOTAL DISSOLVED SOLIDS (TDS). STREAM WITH FLOW DIRECTION RESIDENTIAL UNIT DUKE ENERGY PROPERTY BOUNDARY LEGEND AREA OF CONCENTRATION IN GROUNDWATER ABOVE NC2L (SEE NOTE 5) DESIGNATED EFFLUENT CHANNEL WITH FLOW DIRECTION INFERRED AREA OF CONCENTRATION IN GROUNDWATER ABOVE NC2L (SEE NOTE 5) GRAPHIC SCALE 1000 IN FEET 0 1000 2000 PARCEL LINE APPROXIMATE ASH BASIN WASTE BOUNDARY POWER PLANT EAB EXTENSION IMPOUNDMENT EFFLUENT DISCHARGE CANAL EFFLUENT DISCHARGE CANAL WAB EXTENSION IMPOUNDMENT COOLING WATER INTAKE CANAL EFFLUENT DISCHARGE CANAL HEATED WATER DISCHARGE POND COOLING WATER INTAKE BASIN FILTER DIKE WEST ASH BASIN MAIN DAM EAST ASH BASIN MAIN DAM EAB SEPARATOR DIKE EFFLUENT DISCHARGE CANAL EAST ASH BASIN WEST ASH BASIN APPROXIMATE ASH BASIN WASTE BOUNDARY 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY: CRAIG EADY DATE:JOHN CHASTAIN 1-1 09/15/2017 10/27/2017 12:13 PM P:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\CSA Update Oct 2017\Figures\Fig1-1_SITELOC.dwg FIGURE 1-1 SITE LOCATION MAP ROXBORO STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC SEMORA, NORTH CAROLINA SOURCE: 2016 USGS TOPOGRAPHIC MAP (OLIVE HILL, NC 1:24000) OBTAINED FROM THE USGS MAP STORE AT http://store.usgs.gov/b2c_usgs/b2c/start/%%%28xcm=r3standardpitrex_prd%%%29/.do ASH BASIN COMPLIANCE BOUNDARY LCID LANDFILL INDUSTRIAL LANDFILL PROGRESS 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY: CRAIG EADY DATE:ADAM FEIGL FIG 2-1 (VICINITY MAP) (2) 05/15/2017 GRAPHIC SCALE 500 IN FEET 0 500 1000 SE M O R A RD DUNNAWAY RD McGHEES MILLRDPOWER PLANT WOODLAND ELEMENTARY SCHOOL WEST ASH BASIN McGHEES MILLRDROXBORO STEAM ELECTRIC PLANT EAST ASH BASIN GRAPHIC SCALE 500 IN FEET 0 500 1000 FORMER UNNAMED CREEK GYPSUM STORAGE AREA COOLING WATER INTAKE BASIN COOLI N G W A T E R I N T A K E C A N A L HYCO LAKE HEATED WATER DISCHARGE POND FILTER DIKE FIGURE 2-1 ROXBORO PLANT VICINITY MAP ROXBORO STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC SEMORA, NORTH CAROLINA HYCO LAKE HYCO LAKE HYCO LAKE 10/27/2017 12:16 PM P:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\33.Discharge Canal Assessment (EHS)\DWG\DE ROXBORO AERIALS FIG 2-1 AND 2-6 THRU 2-7.dwgDATE PRINTED:FILE PATH: SOURCE: JUNE 13, 2016 AERIAL PHOTOGRAPH WAS OBTAINED FROM GOOGLE EARTH PRO FGD PONDS HEATED WATER DISCHARGE CANAL PLANT INTAKE POND UNIT 3 COOLING TOWER POND UNIT 3 COOLING TOWER INTAKE POND WAB EXTENTION IMPOUNDMENT EAB EXTENTION IMPOUNDMENT LCID LANDFILL EAB SEPARATOR DIKE INDUSTRIAL LANDFILL PARCEL LINE EFFLUENT DISCHARGE CANAL SUBSTATION EFFLUENT DISCHARGE CANAL PARCEL LINE WAB MAIN DAM PROGRESS EAB MAIN DAM 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY: CRAIG EADY DATE:ADAM FEIGL FIG 2-2 (1951 AERIAL) 05/15/2017 GRAPHIC SCALE 500 IN FEET 0 500 1000 SOURCE: APRIL 20, 1951 AERIAL PHOTOGRAPH OBTAINED FROM THE USGS EARTH EXPLORER WEB SITE AT http://earthexplorer.usgs.gov/ SE M O R A R D DUNN A W A Y R D McGHEES MILL RDFUTURE POWER PLANT WOODLAND ELEMENTARY SCHOOL SARGENTS CREEK FUTURE WEST ASH BASIN McGHEES MILL RDROXBORO STEAM ELECTRIC PLANT FIGURE 2-2 1951 AERIAL PHOTOGRAPH ROXBORO STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC SEMORA, NORTH CAROLINA FUTURE EAST ASH BASIN GRAPHIC SCALE 500 IN FEET 0 500 1000 SARGENTS CREEK HYCO RIVER HYCO RIVER UNNAMED CREEK FUTURE EAB SEPARATOR DIKE FUTURE EFFLUENT DISCHARGE CANAL FUTURE GYPSUM STORAGE AREA FUTURE COOLING WATER INTAKE BASIN FUTU R E C O O LI N G WATE R I N T A K E C A N A L FUTURE HYCO LAKE FUTURE HEATED WATER DISCHARGE POND FUTURE HYCO LAKE FUTURE HYCO LAKE FUTURE FILTER DIKE 10/27/2017 12:20 PM P:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\33.Discharge Canal Assessment (EHS)\DWG\DE ROXBORO AERIALS FIG 2-2 THRU 2-5.dwgDATE PRINTED:FILE PATH: FUTURE EAB EXTENSION IMPOUNDMENT FUTURE SUBSTATION FUTURE BIOREACTOR FUTURE FGD PONDS FUTURE WAB EXTENSION IMPOUNDMENT FUTURE LCID LANDFILL FUTURE UNIT 3 COOLING TOWER INTAKE POND FUTURE UNIT 3 COOLING TOWER POND FUTURE PLANT INTAKE POND FUTURE HEATED WATER DISCHARGE CANAL PROGRESS FUTURE EFFLUENT DISCHARGE CANAL FUTURE WAB MAIN DAM FUTURE EAB MAIN DAM PARCEL LINE PARCEL LINE FUTURE INDUSTRIAL LANDFILL UNNAMED CREEK 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY: CRAIG EADY DATE:ADAM FEIGL FIG 2-3 (1964 AERIAL) 05/15/2017 GRAPHIC SCALE 500 IN FEET 0 500 1000 SEM O R A R D DUNNAWAY RD McGHEES MILLRDFUTURE POWER PLANT FUTURE WEST ASH BASIN McGHEES MILLRDROXBORO STEAM ELECTRIC PLANT FUTURE EAST ASH BASIN GRAPHIC SCALE 500 IN FEET 0 500 1000 HYCO RIVER FUTURE COOLING WATER INTAKE BASIN FUTU R E C O O LI N G WATE R I N T A K E C A N A L FUTURE HYCO LAKE FUTURE HEATED WATER DISCHARGE POND FUTURE HYCO LAKE FUTURE HYCO LAKE FIGURE 2-3 1964 AERIAL PHOTOGRAPH ROXBORO STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC SEMORA, NORTH CAROLINA SOURCE: MARCH 12, 1964 AERIAL PHOTOGRAPH OBTAINED FROM THE USGS EARTH EXPLORER WEB SITE AT http://earthexplorer.usgs.gov/ 10/27/2017 12:22 PM P:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\33.Discharge Canal Assessment (EHS)\DWG\DE ROXBORO AERIALS FIG 2-2 THRU 2-5.dwgDATE PRINTED:FILE PATH: FUTURE EAB EXTENSION IMPOUNDMENT FUTURE WAB EXTENSION IMPOUNDMENT FUTURE FILTER DIKE SARGENTS CREEK FUTURE SUBSTATION FUTURE EFFLUENT DISCHARGE CANAL FUTURE BIOREACTOR FUTURE FGD PONDS FUTURE LCID LANDFILL SARGENTS CREEK FUTURE PLANT INTAKE POND FUTURE UNIT 3 COOLING TOWER POND FUTURE UNIT 3 COOLING TOWER INTAKE POND FUTURE HEATED WATER DISCHARGED CANAL FUTURE EAB MAIN DAM UNNAMED CREEK UNNAMED CREEK FUTURE WAB MAIN DAM FUTURE GYPSUM STORAGE AREA FUTURE EFFLUENT DISCHARGE CANAL FUTURE EAB SEPARATOR DIKE WOODLAND ELEMENTARY SCHOOL HYCO RIVER PROGRESS PARCEL LINE FUTURE INDUSTRIAL LANDFILL PARCEL LINE 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY: CRAIG EADY DATE:ADAM FEIGL FIG 2-4 (1977 AERIAL) 05/15/2017 GRAPHIC SCALE 500 IN FEET 0 500 1000 SE M O R A RD DUNNAWAY RD McGHEES MILLRDPOWER PLANT WEST ASH BASIN McGHEES MILLRDROXBORO STEAM ELECTRIC PLANT EAST ASH BASIN GRAPHIC SCALE 500 IN FEET 0 500 1000 COOLING WATER INTAKE BASIN COOLI N G W A T E R I N T A K E C A N A L HYCO LAKE HEATED WATER DISCHARGE POND FIGURE 2-4 1977 AERIAL PHOTOGRAPH ROXBORO STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC SEMORA, NORTH CAROLINA HYCO LAKE HYCO LAKE HYCO LAKE SOURCE: MARCH 25, 1977 AERIAL PHOTOGRAPH OBTAINED FROM THE USGS EARTH EXPLORER WEB SITE AT http://earthexplorer.usgs.gov/ 10/27/2017 12:26 PM P:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\33.Discharge Canal Assessment (EHS)\DWG\DE ROXBORO AERIALS FIG 2-2 THRU 2-5.dwgDATE PRINTED:FILE PATH: WESTERN DISCHARGE CANAL FUTURE SUBSTATION EAB EXTENSION IMPOUNDMENT FUTURE WAB EXTENSION IMPOUNDMENT FUTURE EFFLUENT DISCHARGE CANAL FUTURE EAB SEPARATOR DIKE EFFLUENT DISCHARGE CANAL WEST ASH BASIN MAIN DAM FUTURE EFFLUENT DISCHARGE CANAL FUTURE LCID LANDFILL FUTURE BIOREACTOR FUTURE FGD PONDS FUTURE FILTER DIKE WOODLAND ELEMENTARY SCHOOL SARGENTS CREEK FUTURE GYPSUM STORAGE AREA PARCEL LINE EAB MAIN DAM PARCEL LINE PROGRESS FUTURE INDUSTRIAL LANDFILL UNIT 3 COOLING TOWER POND UNIT 3 COOLING TOWER INTAKE POND HEATED WATER DISCHARGE CANAL PLANT INTAKE POND 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY: CRAIG EADY DATE:ADAM FEIGL FIG 2-5 (1993 AERIAL) 05/15/2017 GRAPHIC SCALE 500 IN FEET 0 500 1000 SE M O R A RD DUNNAWAY RD McGHEES MILLRDPOWER PLANT WOODLAND ELEMENTARY SCHOOL WEST ASH BASIN McGHEES MILLRDROXBORO STEAM ELECTRIC PLANT EAST ASH BASIN GRAPHIC SCALE 500 IN FEET 0 500 1000 COOLING WATER INTAKE BASIN COOLI N G W A T E R I N T A K E C A N A L HYCO LAKE HEATED WATER DISCHARGE POND FILTER DIKE FIGURE 2-5 1993 AERIAL PHOTOGRAPH ROXBORO STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC SEMORA, NORTH CAROLINA 10/27/2017 12:27 PM P:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\33.Discharge Canal Assessment (EHS)\DWG\DE ROXBORO AERIALS FIG 2-2 THRU 2-5.dwgDATE PRINTED:FILE PATH: HYCO LAKE HYCO LAKE HYCO LAKE SOURCE: 1993 AERIAL PHOTOGRAPH OBTAINED FROM THE USGS EARTH EXPLORER WEB SITE AT http://earthexplorer.usgs.gov/ SUBSTATION UNIT 3 COOLING TOWER POND UNIT 3 COOLING TOWER INTAKE POND FUTURE GYPSUM STORAGE AREA EFFLUENT DISCHARGE CANAL EAB SEPARATOR DIKE EAB EXTENSION IMPOUNDMENT HEATED WATER DISCHARGE CANAL WAB EXTENSION IMPOUNDMENT SARGENTS CREEK EFFLUENT DISCHARGE CANAL WAB MAIN DAM PROGRESS FUTURE BIOREACTOR LCID LANDFILL EAB MAIN DAM PLANT INTAKE POND FUTURE INDUSTRIAL LANDFILL FUTURE FGD PONDS PARCEL LINE PARCEL LINE 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.comPROJECT MANAGER:LAYOUT:DRAWN BY:CRAIG EADYDATE:JOHN CHASTAINFIG 2-6 (2008 AERIAL)05/15/2017GRAPHIC SCALE500IN FEET05001000POWER PLANTWOODLAND ELEMENTARY SCHOOLWEST ASH BASINROXBORO STEAMELECTRIC PLANTEAST ASH BASINGRAPHIC SCALE500IN FEET05001000COOLING WATER INTAKE CANALFIGURE 2-62008 AERIAL PHOTOGRAPHROXBORO STEAM ELECTRIC PLANTDUKE ENERGY PROGRESS, LLCSEMORA, NORTH CAROLINA10/29/2017 10:42 AMP:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\33.Discharge Canal Assessment (EHS)\DWG\DE ROXBORO AERIALS FIG 2-1 AND 2-6 THRU 2-7.dwgDATE PRINTED:FILE PATH:SOURCE:2008 AERIAL PHOTOGRAPH OBTAINED FROM NC ONE MAP GEOSPATIAL PORTAL AThttp://data.nconemap.com/geoportal/catalog/raster/download.pageNPDES OUTFALL 003NPDES OUTFALL 002FORMER NPDES OUTFALL 001SUBSTATIONPROGRESSPARCEL LINEPARCEL LINESEMORARDDUNNAWAYRDMc G H E E S M I L L RD Mc G H E E S M I L L RD EABSEPARATOR DIKEGYPSUM STORAGE AREACOOLING WATERINTAKE BASINHYCO LAKEHEATED WATER DISCHARGE PONDFILTER DIKEEAB MAIN DAMHYCO LAKEHYCO LAKEHYCO LAKESARGENTS CREEKEFFLUENT DISCHARGE CANALINDUSTRIAL LANDFILLFGD PONDSUNIT 3COOLING TOWERINTAKE PONDUNIT 3 COOLINGTOWER PONDPLANT INTAKE PONDHEATED WATERDISCHARGE CANALLCID LANDFILLWAB EXTENSION IMPOUNDMENTWAB MAIN DAMEFFLUENT DISCHARGE CANALEAB EXTENSION IMPOUNDMENT 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.comPROJECT MANAGER:LAYOUT:DRAWN BY:CRAIG EADYDATE:JOHN CHASTAINFIG 2-7 (2016 MAP)05/15/2017GRAPHIC SCALE500IN FEET05001000SEMORA RDDUNNAWAY RDMc G H E E S M I L L R DPOWER PLANTWOODLAND ELEMENTARYSCHOOLWEST ASH BASINMc G H E E S M I L L R D ROXBORO STEAM ELECTRIC PLANTEAST ASH BASINGRAPHIC SCALE500IN FEET05001000COOLING WATERINTAKE BASINCOOLING WATER INTAKE CANALHYCO LAKEHEATED WATER DISCHARGE PONDFILTER DIKEFIGURE 2-72016 AERIAL PHOTOGRAPHROXBORO STEAM ELECTRIC PLANTDUKE ENERGY PROGRESS, LLCSEMORA, NORTH CAROLINAHYCO LAKEHYCO LAKEHYCO LAKESARGENTS CREEK10/29/2017 10:44 AMP:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\33.Discharge Canal Assessment (EHS)\DWG\DE ROXBORO AERIALS FIG 2-1 AND 2-6 THRU 2-7.dwgDATE PRINTED:FILE PATH:SOURCE:JUNE 13, 2016 AERIAL PHOTOGRAPH WAS OBTAINED FROM GOOGLE EARTH PRONPDES OUTFALL 003NPDES OUTFALL 002FORMER NPDES OUTFALL 001INDUSTRIAL LANDFILLHEATED WATERDISCHARGE CANALLCID LANDFILLPLANT INTAKE PONDUNIT 3 COOLINGTOWER PONDUNIT 3COOLING TOWERINTAKE PONDWAB EXTENSION IMPOUNDMENTEAB EXTENSION IMPOUNDMENTEAB SEPARATOR DIKEWAB MAIN DAMFGD PONDSEFFLUENT DISCHARGE CANALGYPSUM STORAGE AREAEFFLUENT DISCHARGE CANALPROGRESSPARCELLINEEAB MAIN DAMSUBSTATION CUNNINGHAM SEMORA HYCO RIVER 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY: C. EADY DATE:JOHN CHASTAIN FIG 2-8 10/18/2017 10/26/2017 5:48 PM P:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\19.EG_CSASUP\Figures\DE ROXBORO CSA SUP FIG 2-8 (PLANT VICINTY MAP).dwg ROXBORO MAYO RESERVOIR HYCO RESERVOIR SURL ALLENSVILLE MORIAH HURDLE MILLS BUSHY FORK HESTERS STORE ROSEVILLE TRIPLE SPRINGS CUNNINGHAM YANCEYVILLE MILTON DOTMOND SEMORA RED HOUSE ANDERSON FITCH JERICHO CORBETT PLEASENT GROVE OSMOND LEASBURG FROGSBORO RIDGEVILLE CALDWELL SCHLEY KENNEDY CARR CEDAR GROVE BUCKHORN WHITE CROSS ORANGE GROVE OAKS CALVANDER HILLSBOROUGH CHAPEL HILL DURHAM PLEASANT GROVE ELI WHITNEY LINDLEY MILL MANDALE MEBANEBURLINGTON QUAIL ROOST ROUGEMONT HAMPTON OAK GROVE BETHESDAKEENE FEW FOLKS BAYLEAF RALEIGH OXFORD HESTER CREEDMOOR TAR RIVER CULBRETH BEREA GOSHEN OAK HILL WILBOURNS STOVALL CORNWALL GRASSY CREEK HEBRON SATTERWHITE KINTON FORKS GELA CLAY BUTNER STEM WILTON MOUNT ENERGY GRISSOM SIX FORKS GRAPHIC SCALE 3 IN MILES 0 3 6 DISCLAIMER AND SOURCE NOTE: The information on this map was derived from digital databases at the NC Department of Transportation Website. Care was taken in the creation of this map. SYNTERRA cannot accept any responsibility for errors, omissions, or positional accuracy. There are no warranties, expressed or implied, including the warranty of merchantability or fitness for a particular purpose, accompanying this product. However, notification of any errors will be appreciated. HYCO RIVER SOUTH HYCO RIVER NORTH HYCO RIVER MAYO CREEK ROXBORO STEAM ELECTRIC PLANT FIGURE 2-8 GENERAL AREA MAP ROXBORO STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC SEMORA, NORTH CAROLINA DUKE ENERGY PROGRESS PROPERTY BOUNDARY LEGEND PROGRESS SOURCE: 1968 USGS TOPOGRAPHIC MAP, PHOTOREVISED 1994 (OLIVE HILL, NC 1:24000) OBTAINED FROM THE USGS MAP STORE AT http://store.usgs.gov/b2c_usgs/b2c/start/%%%28xcm=r3standardpitrex_prd%%%29/.do PROJECT MANAGER: LAYOUT: DRAWN BY: CRAIG EADY DATE:JOHN CHASTAIN 2-9 (1968 REV 94 USGS MAP) 10/30/2017 P:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\CSA Update Oct 2017\DWG\DE ROXBORO 1968 USGS TOPO.dwg FIGURE 2-9 1968 USGS TOPOGRAPHIC MAP ROXBORO STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC SEMORA, NORTH CAROLINA OLIVE HILL NC QUADRANGLE CONTOUR INTERVAL: MAP DATE: 10 FEET 1968 2000 GRAPHIC SCALE 1000 IN FEET 10000 RALEIGH WILMINGTON GREENVILLE GREENSBORO PERSON COUNTY PROGRESS PARCEL LINE APPROXIMATE ASH BASIN WASTE BOUNDARY POWER PLANT EAB EXTENSION IMPOUNDMENT EFFLUENT DISCHARGE CANAL EFFLUENT DISCHARGE CANAL WAB EXTENSION IMPOUNDMENT COOLING WATER INTAKE CANAL EFFLUENT DISCHARGE CANAL HEATED WATER DISCHARGE POND COOLING WATER INTAKE BASIN FILTER DIKE WEST ASH BASIN MAIN DAM EAST ASH BASIN MAIN DAM EAB SEPARATOR DIKE EFFLUENT DISCHARGE CANAL EAST ASH BASIN WEST ASH BASIN APPROXIMATE ASH BASIN WASTE BOUNDARY NPDES OUTFALL 003 NPDES OUTFALL 006 FUTURE NPDES OUTFALL 001 ASH BASIN COMPLIANCE BOUNDARY LCID LANDFILL INDUSTRIAL LANDFILL 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.comPROJECT MANAGER:LAYOUT:DRAWN BY:CRAIG EADYDATE:CHRISTINA NEWELLROX PFDOCTOBER 201710/30/2017 10:01 AMP:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\CSA Update Oct 2017\Figures\Fig2-10_RoxPFD.dwgFIGURE 2-10PROCESS FLOW DIAGRAMROXBORO STEAM ELECTRIC PLANTDUKE ENERGY PROGRESS, LLCSEMORA, NORTH CAROLINASOURCE INFORMATION: PROCESS FLOW DIAGRAM PROVIDED BY DUKE ENERGY PROGRESS, LLC 10/30/2017 10:04 AM P:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\CSA Update Oct 2017\DWG\DE ROXBORO CSAUP BASE MAP.dwgDATE PRINTED:FILE PATH: LOCKED GATE WAB EXTENSION IMPOUNDMENT FILTER DIKEWESTERN EFFLUENTDISCHARGE CANALWEST A S H B A S I N M A I N D A M WEST FGD POND EAST FGD POND FGD FLUSH POND 7 ENG I N E E R T O E D R A I N S S01 TH R U S 0 7 GUARD HOUSE FLOW WAB EXTENSION IMPOUNDMENT S-18 S-20 S-8 S-7 S-6 S-5 S-1S-2S-3 S-4 S-22 S-23 CONTRACTOR TRAILERS OUTLET STRUCTURES STAIRS DISCHARGE DISCHARGE SWITCHYARD SWITCHYARD 230Kv SWITCHYARD SLUICE PIPE (INACTIVE)MW-15BR MW-15D MW-31BR MW-18BR MW-18D MW-26BR MW-16BR MW-10BR CW-4 BG-1BRL BG-1BRLR BG-1BR BG-1D MW-32BR MW-7BR MW-33BR CW-3D CW-3 MW-8BR MW-12BR MW-9BR ABMW-2BR ABMW-4BR ABMW-4 ABMW-6 ABMW-6BR LP-6 GMW-7 LP-5 LP-4 LP-3 LP-2 LP-1 MW-21BRL GMW-8 PZ-14 ABMW-7BRL ABMW-7 ABMW-7BR ABMW-5 ABMW-5D GMW-2 GMW-2A GMW-1A GMW-1 GMW-6 GMW-11 GMW-10 CW-5 MW-5D MW-5BR MW-11D MW-11BR MW-2BR CW-2D CW-2 SEM O R A R O A D ( N C H W Y 5 7 ) DUNNAWAY ROADDUNNAWAY ROAD LOCKED GATE SW-5 SW-4 RO-10-2 RO-10-1 COOLING TOWER INTAKE BASIN UNIT 3 COOLING TOWER INTAKE POND HEATED WATER DISCHARGE CA N A L SOURCE NOTES: NOT ALL UTILITIES ARE IDENTIFIED ON THIS DRAWING. THE UTILITIES SHOWN ON THIS DRAWING ARE VISUAL AIDS. THE HORIZONTAL AND VERTICAL LOCATIONS OF THE UTLITIES HAVE NOT BEEN FIELD VERIFIED. ANY UTILITIES SHOWN ARE APPROXIMATE. LEGEND MW-1 WELL IN TRANSITION ZONE WELL IN ALLUVIUM/SAPROLITE ZONE MW-15BR WELL IN COMPETENT BEDROCK ZONE ABMW-2 WELL IN ASH PORE WATER 500 ft COMPLIANCE BOUNDARY (APPROXIMATE) PARCEL LINE DUKE ENERGY (APPROXIMATE) ASH BASIN WASTE BOUNDARY (APPROXIMATE) PIEZOMETER IN COMPETENT BEDROCK ZONEMW-21BRL MW-15D PIEZOMETER IN TRANSITION ZONE WATER SUPPLY WELL SAMPLED WATER SAMPLE LOCATION SURFACE WATER FLOW DIRECTION S-18 AOW SAMPLE LOCATION WATER SUPPLY WELL NOT SAMPLED APPROXIMATE STREAM (NON-JD) TOPOGRAPHY IS BASED ON LIDAR BARE EARTH DATA OBTAINED FROM THE FRIS\NORTH CAROLINA FLOOD RISK INFORNATION SYSTEM AT http://fris.nc.gov/fris/Download.aspx?FIPS=031&ST=NC&user=General%20Public AND A DRAWING TITLED AERIAL TOPOGRAPHIC SURVEY-ROXBORO PLANT BY WSP, JOB NUMBER 1570002.000 AND DRAWING FILE NAME ROXBORO FINAL_06--8-15.DWG SOIL SAMPLE BORING APPROXIMATE POND OR RESERVOIR (NON-JD) BG-1BRL WELL IN LOWER COMPETENT BEDROCK ZONE GMW-1A GMW-1 PIEZOMETER IN UNKNOWN ZONE PLANT INTAKE POND POWER HOUSE BIO-REACTOR BUILDING WOODLAND ELEMENTARY SCHOOL WE S T E R N E F F L U E N T D I S C H A R G E C A N A L HEATED WATER DISCHARGE POND ROXBORO STEAM ELECTRIC PLANT 1700 DUNNAWAY RD. SEMORA, NORTH CAROLINA PROGRESS FIGURE 2-11 SITE LAYOUT WEST ASH BASIN DUKE ENERGY FIG 2-11 (WEST SITE MAP) ALEX LEFITZ JOHN CHASTAIN/C. NEWELL PROJECT MANAGER: LAYOUT NAME: DRAWN BY: CHECKED BY: CRAIG EADY DATE: DATE: www.synterracorp.com 148 River Street, Suite 220 Greenville, South Carolina 29601 864-421-9999 10/23/17 10/23/17 GRAPHIC SCALE 4002001000200 (IN FEET) MW-4BR MW-4BRL MW-1 MW-2 EAST A S H B A SI N M AI N D A M SOUTH LANDFILL POND BGSB-18 RO-1021 RO-1021 BGSB-18 SW-4 ABMW-2 BG-1 BG-2BR BGSB-2 RO-1004 ABMW-1 ABMW-1BR ABMW-3 ABMW-3BRABMW-3BRL WEST ASH BASIN APPROXIMATE ASH BASIN PONDED WATER EFFLUENT FLOW DIRECTION MW-6D MW-6BR SLUICE PIPE (ACTIVE)WF-4 WF-3 WF-2 WDC-1 WDC-2 WDC-3 WDC-4 WDC-5 WDC-6 CF-4 CF-2 EF-2 EF-4 NPDES REGULATED PLANT WATER FEATURE WITH FLOW ARROWS LCID LANDFILL (PERMIT NO. 73D-LCID) EAST ASH BASIN INDUSTRIAL LANDFILL (PERMIT NO. 7302-INDUS)FOR CONTINUATION SEE FIGURE 2-11 Mc G H E E S M I L L R O A D SD-06-OS10/30/2017 10:06 AMP:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\CSA Update Oct 2017\DWG\DE ROXBORO CSAUP BASE MAP.dwgDATE PRINTED:FILE PATH:EAB EXTENSION IMPOUNDMENTMW-21BRLPZ-12S-10S-11S-12S-09EAST ASH BASIN SEPARATOR DIKE PZ-14LP-6ABMW-7BRLS-22S-23ELECTRICAL SUBSTATIONEASTERN EFFLUENT DISCHARGE CANALS-13S-18S-14RAILROAD TRACKSSOUTH LANDFILL PONDGYPSUM STORAGE AREAROXBORO STEAM ELECTRIC PLANT1700 DUNNAWAY RD.SEMORA, NORTH CAROLINAPROGRESSFIGURE 2-12SITE LAYOUTEAST ASH BASINDUKEENERGYFIG 2-12 (EAST SITE MAP)ALEX LEFITZJOHN CHASTAINPROJECT MANAGER:LAYOUT NAME:DRAWN BY:CHECKED BY:CRAIG EADYDATE:DATE:www.synterracorp.com148 River Street, Suite 220Greenville, South Carolina 29601864-421-999910/20/1710/20/17GRAPHIC SCALE4002001000200(IN FEET)WATER INTAKE BASININTAKE CANALCOOLING TOWER INTAKE BASINUNIT 3 COOLINGTOWER INTAKE PONDPLANT INTAKE PONDHEATED WATER DISCHARGE CANALLEGENDWELL IN TRANSITION ZONEWELL IN ALLUVIUM/SAPROLITE ZONEWELL IN COMPETENT BEDROCK ZONEWELL IN ASH PORE WATER500 ft COMPLIANCE BOUNDARY (APPROXIMATE)PARCEL LINE DUKE ENERGY (APPROXIMATE)ASH BASIN WASTE BOUNDARY (APPROXIMATE)PIEZOMETER IN COMPETENT BEDROCK ZONEPIEZOMETER IN TRANSITION ZONEWATER SUPPLY WELL SAMPLEDWATER SAMPLE LOCATIONRO-02AOW SAMPLE LOCATIONWATER SUPPLY WELL NOT SAMPLEDAPPROXIMATE STREAM (NON-JD)SOIL SAMPLE BORINGMW-23BRMW-23BRRMW-20BRLMW-30BRMW-29BRMW-28BRSW-6MW-14DMW-14SMW-14BRMW-24BRMW-17BRMW-25BRCW-1MW-1BRMW-27BRMW-3BRGMW-11GMW-10MW-22BRMW-22BRLMW-22DGPMW-3BRGPMW-3DGPMW-2DGPMW-2BRGPMW-1DGPMW-1SGPMW-1BRGMW-6ABMW-7ABMW-7BRABMW-4BRABMW-4ABMW-5ABMW-5DABMW-6ABMW-6BRGMW-7GMW-8GMW-9MW-2BRMW-19BRLMW-16BRMW-13BRLWELL IN LOWER COMPETENT BEDROCK ZONEMW-10BRCW-5MW-5DMW-5BRMW-11DMW-11BRLP-5LP-4LP-3LP-2LP-1GMW-2GMW-2AGMW-1AGMW-1GMW-1AGMW-1PIEZOMETER IN UNKNOWN ZONES-21HYCO LAKERO-02RO-08RO-11RO-03RO-12RO-15RO-13RO-07RO-04RO-16GUARD HOUSEPOWER HOUSECOAL STOCKPILECONTRACTOR TRAILERSEAST ASH BASIN MAIN DAMDUNNAWAY ROADDUNNAWAY ROADMcGHE E S M I L L R O A D Mc G H E E S M I L L R O A DRO2014-RAWRO-1015RO-1011RO-1017RO-1005RO-1012RO-1010ARO-1010RO-1013RO-1016RO-1018BGSB-14BGSB-112SURFACE WATER FLOW DIRECTIONAPPROXIMATE POND OR RESERVOIR (NON-JD)APPROXIMATE ASH BASIN PONDED WATEREFFLUENT FLOW DIRECTIONSOURCE NOTES:NOT ALL UTILITIES ARE IDENTIFIED ON THIS DRAWING. THE UTILITIES SHOWN ON THIS DRAWING ARE VISUALAIDS. THE HORIZONTAL AND VERTICAL LOCATIONS OF THE UTLITIES HAVE NOT BEEN FIELD VERIFIED. ANYUTILITIES SHOWN ARE APPROXIMATE.TOPOGRAPHY IS BASED ON LIDAR BARE EARTH DATA OBTAINED FROM THE FRIS\NORTH CAROLINA FLOODRISK INFORNATION SYSTEM AThttp://fris.nc.gov/fris/Download.aspx?FIPS=031&ST=NC&user=General%20Public ANDA DRAWING TITLED AERIAL TOPOGRAPHIC SURVEY-ROXBORO PLANT BY WSP, JOB NUMBER 1570002.000AND DRAWING FILE NAME ROXBORO FINAL_06--8-15.DWGBGSB-112S-22SW-6GPMW-1SABMW-6MW-21BRLMW-20BRLGMW-10ABMW-5DLEACHATE SAMPLE LOCATION (APPROXIMATE)LP-4CL-7CL-5SCV-2CL-2SEDC-5EDC-4EDC-3EDC-2EDC-1CL-5CL-2CL-4CV-1NPDES REGULATED PLANT WATER FEATUREWITH FLOW ARROWSTHE JOHNSON LANELCID LANDFILL(PERMIT NO. 73D-LCID)EAST ASH BASININDUSTRIAL LANDFILL(PERMIT NO. 7302-INDUS)FOR CONTINUATION SEE FIGURE 2-10 FIGURE 3-1KNOWN SAMPLE OF ASH FOR COMPARISON (SOURCE: DUKE ENERGY 2014) ROXBORO STEAM ELECTRIC PLANTDUKE ENERGY PROGRESS, LLCSEMORA, NORTH CAROLINA148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.comDRAWN BY: E. KINSEY PROJECT MANAGER: C. EADY LAYOUT: DATE: AUGUST 2017FILEPATH: P:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\CSA Update Oct 2017\Draft PDF\FIGURES\FIGURE 3-1 - Known Sample Ash for ComparisonRange (10th percentile – 90th percentile) in bulk composition of fly ash, bottom ash, rock, and soil. (Source: EPRI 2009a) FIGURE 3-2ELEMENTAL COMPOSITION FOR BOTTOM ASH, FLY ASH, SHALE, AND VOLCANIC ASH (SOURCE: EPRI 2009A)ROXBORO STEAM ELECTRIC PLANTDUKE ENERGY PROGRESS, LLCSEMORA, NORTH CAROLINA148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.comDRAWN BY: E. KINSEY PROJECT MANAGER: C. EADY LAYOUT: DATE: AUGUST 2017FILEPATH: P:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\CSA Update Oct 2017\Draft PDF\FIGURES\FIGURE 3-2 - Elemental Composition Ash FIGURE 3-3COAL ASH TCLP LEACHATE CONCENTRATION RANGES COMPARED TO REGULATORY LIMITS (SOURCE: EPRI 2010)ROXBORO STEAM ELECTRIC PLANTDUKE ENERGY PROGRESS, LLCSEMORA, NORTH CAROLINA148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.comDRAWN BY: E. KINSEY PROJECT MANAGER: C. EADY LAYOUT: DATE: AUGUST 2017FILEPATH: P:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\CSA Update Oct 2017\Draft PDF\FIGURES\FIGURE 3-3 - Coal Ash Compared to Regulatory Limits FIGURE 3-4 PIPER DIAGRAM ̶ POREWATER ROXBORO STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC SEMORA, NORTH CAROLINA 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.comDRAWN BY: T. PLATINGPROJECT MANAGER: C. EADYLAYOUT: DATE: SEPTEMBER 2017FILEPATH: P:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\CSA Update Oct 2017\Draft PDF\FIGURES\FIGURE 3-4 PIPER DIAGRAM - POREWATERWell ID % DifferenceNotes:Red –September 2015Blue - September 2016Green –September 2017Data with charge balance >10% are omitted from plot.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.ABMW-04 1.008IABMW-01 3.027JABMW-02 8.472JABMW-02 4.314JABMW-02 1.141KABMW-03 1.029KABMW-03 1.204KABMW-03 1.090LLABMW-04 1.011LABMW-04 0.778MABMW-05 0.998MABMW-05 0.993MABMW-05 0.991OABMW-06 1.463OABMW-06 1.147OABMW-06 0.930PABMW-07 0.940PABMW-07 0.875PABMW-07 0.846 FIGURE 4-1 USGS MAP WITH WATER SUPPLY WELLS ROXBORO STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC SEMORA, NORTH CAROLINA GRAPHIC SCALE 1000 IN FEET 0 1000 2000 PARCEL LINE ASH BASIN WASTE BOUNDARY POWER PLANT EAB EXTENSION IMPOUNDMENT EFFLUENT DISCHARGE CANAL EFFLUENT DISCHARGE CANAL WAB EXTENSION IMPOUNDMENT COOLI N G W A T E R INTAKE C A N A L EFFLUENT DISCHARGE CANAL HEATED WATER DISCHARGE POND COOLING WATER INTAKE BASIN FILTER DIKE WAB MAIN DAM EAB MAIN DAM EAB SEPARATOR DIKE EFFLUENT DISCHARGE CANAL EAST ASH BASIN WEST ASH BASIN ASH BASIN WASTE BOUNDARY SOURCE: 2016 USGS TOPOGRAPHIC MAP (OLIVE HILL, NC 1:24000) OBTAINED FROM THE USGS MAP STORE AT http://store.usgs.gov/b2c_usgs/b2c/start/%%%28xcm=r3standardpitrex_prd%%%29/.do 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY: C. EADY DATE:B. YOUNG 4-1 (2016 USGS MAP) 10/20/2017 10/27/2017 12:29 PM P:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\CSA Update Oct 2017\DWG\DE ROXBORO CSA SUP USGS TOPO MAP.dwg LEGEND WATER SUPPLY WELL ASH BASIN COMPLIANCE BOUNDARY ASH BASIN COMPLIANCE BOUNDARY ASH BASIN WASTE BOUNDARY ASH BASIN COMPLIANCE BOUNDARY PROGRESS HYCO LAKE ROXBOROPLANT RDSE M O R A R D ( N C H I G H W A Y 5 7 )McGHEES MILL RDMcGHEES MILL RDTHE J O H N S O N L N DUNNAWAY RD ARCHIE CLAYTON RDSHORE D R SHOR E D R SHORE DRSHORE ACRES DRROY CARVER RDMA R T H A RO Y S T E R R D RAILR O A D RAILR O A D RAILROAD RAILROAD EDR WEST ASH BASIN INDUSTRIAL LANDFILL GYPSUM STORAGE AREA CHANNELDAISY THOMPSON RD CMW-9 BG-1 CW-4 CW-3CW-3D CW-2DCW-2 CW-5 CW-1 DW-5 PRW-2 PRW-6 PRW-4 DW-1 DW-3 DW-4 DW-6 DW-2 DW-7 DW-8 DW-9 DW-10 DW-11 DW-12 DW-13 DW-14 DW-17 DW-15 DW-16 DW-19 DW-20 DW-18 DW-22DW-21DW-23DW-24 DW-25 DW-26 DW-27 DW-29DW-28 DW-30 DW-31 DW-32DW-41 DW - 4 0 DW-39 DW - 3 8 DW-37 DW-36 DW-35DW-34DW-33 DW-44 DW-43DW-42 DW-45 DW-47 DW-46 PRW-8 DW-49 DW-54 (PRW-1) DW-50 (PRW-3) DW-48 DW-56 DW-53 DW-59 DW-52 (PRW-5) DW-55 (PRW-7) DW-58 DW-57 (PRW-9) DW-61 DW-63 DW-62 DW-60 DW-65 DW-51 CMW-11 CMW-10 CMW-6 DW-66 DW-67DW-68 DW-69 DW-64 HEATED WATER DISCHARGE POND PLANT LCID LANDFILL COOLING WATER INTAKE POND COOLI N G W A T E R I N T A K E C A N A L EAST ASH BASIN CMW-7 CMW-8 FIG 4-2 (WATER WELL SURVEY) 9/16/2016 9/16/2016C. PONCE J. CHASTAIN PROJECT MANAGER: LAYOUT NAME: DRAWN BY: CHECKED BY: KATHY WEBB DATE: DATE:10/28/2017 10:21 AMP:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\CSA Update Oct 2017\DWG\DE ROXBORO FIGURE 4-2-WATER WELL.dwg1400 GRAPHIC SCALE (IN FEET) 0 700350700 www.synterracorp.com 148 River Street, Suite 220 Greenville, South Carolina 29601 864-421-9999 ROXBORO STEAM ELECTRIC PLANT 1700 DUNNAWAY RD SEMORA, NORTH CAROLINA DUKE ENERGY PROGRESS FIGURE 4-2 WATER SUPPLY WELL LOCATION MAP ROXBORO STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC SEMORA, NORTH CAROLINA CW-1 PRW-1 DW-1 POSSIBLE WATER SUPPLY WELL REPORTED/OBSERVED WATER SUPPLY WELL EDR EDR REPORTED SURFACE WATER INTAKE (APPROXIMATE) BG-1 LANDFILL MONITORING WELL (SURVEYED)CMW-8 DW-1 WATER SUPPLY WELL OR SPRING REPORTED BY PROPERTY OWNER SOURCES: 1.2012 AERIAL PHOTOGRAPH OF PERSON COUNTY, NORTH CAROLINA WAS OBTAINED FROM THE USGS EARTH EXPLORER WEB SITE AT http://earthexplorer.usgs.gov/ 2.WELL SURVEY INFORMATION, PROPERTY LINE, LANDFILL LIMITS AND BOUNDARIES ARE FROM ARCGIS FILES PROVIDED BY S&ME AND PROGRESS ENERGY. 3.PARCEL BOUNDARIES WERE OBTAINED FROM PERSON COUNTY (NC) GIS DATA AT http://gis.personcounty.net 4.2014 AERIAL PHOTOGRAPH WAS OBTAINED FROM WSP FLOWN ON APRIL 17, 2014. 5.DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANE COORDINATE SYSTEM FIPS 3200 (NAD 83). 6.10ft CONTOUR INTERVALS FROM NCDOT LIDAR DATED 2007 https://connect.ncdot.gov/resources/gis/pages/cont-elev_v2.aspx NOTE: 1.CONTOUR LINES ARE USED FOR REPRESENTATIVE PURPOSES ONLY AND ARE NOT TO BE USED FOR DESIGN OR CONSTRUCTION PURPOSES. 2.DISPLAYED WATER SUPPLY WELL OR SPRING LOCATIONS ARE APPROXIMATE. LEGEND BACKGROUND MONITORING WELL (SURVEYED) COMPLIANCE MONITORING WELL (SURVEYED) HALF MILE SURVEY BOUNDARY PARCEL LINE (PERSON CO GIS) ASH BASIN WASTE BOUNDARY DUKE ENERGY PROGRESS PARCEL LINE ASH BASIN COMPLIANCE BOUNDARY FIGURE 4-3PIPER DIAGRAM ̶ WATER SUPPLY WELLS ROXBORO STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC SEMORA, NORTH CAROLINA 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.comDRAWN BY: T. PLATINGPROJECT MANAGER: C. EADYLAYOUT: DATE: SEPTEMBER 2017FILEPATH: P:\Duke Energy Carolinas\15. Riverbend\05.EHS CAMA Compliance Support\CSA Supplement 2017\PiperWell ID % DifferenceNotes:Orange –Water Supply WellGreen –Background Monitoring WellData with charge balance >10% are omitted from plot.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.IRO-01 5.954KRO-03 7.013ORO-08 9.149PRO-10-1 9.546BRO-11 7.348CRO-12 8.724ERO-14 6.993IBG-01BRLR 6.199JBG-02BR 5.104 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY: CRAIG EADY DATE:ADAM FEIGL FIG4-4 10/19/2017 10/26/2017 6:24 PM P:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\CSA Update Oct 2017\Figures\Fig4-4_WSWCapture.dwg FIGURE 4-4 WATER SUPPLY WELL CAPTURE ZONE ROXBORO STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC SEMORA, NORTH CAROLINA SOURCE INFORMATION: "EVALUATION OF WATER SUPPLY WELLS IN THE VICINITY OF DUKE ENERGY COAL ASH BASINS, APPENDIX G - ROXBORO" BY HALEY & ALDRICH, DATED APRIL 2016.LEGEND 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com MODIFIED BY: R. ISHAM PROJECT MANAGER: C. EADY LAYOUT: DATE: AUGUST 2017 P:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\CSA Update Oct 2017\Draft PDF \FIGURES\FIGURE 5-1 Regional Geologic Map FIGURE 5-1 REGIONAL GEOLOGIC MAP ROXBORO STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC SEMORA, NORTH CAROLINA Source: Modified from Chapman, M.J., Clark, T.W., and Williams, J.H. 2013, Geophysical Logging and Geologic Mapping Data in the Vicinity of the GMH Electronics Superfund Site Near Roxboro, North Carolina. USGS Data Series 763; Reston, VA. <<<<<<<<<<<<<<&< &< &<&< &<&< &< &< &< &< &<&< &<&< &<&< &<&< &<&< &<&< &<&< &< &< &< &< &<&< &< &<&< &< &< &< &< &<&< &<&< &<&< &< &< &<&< &<&< &<&< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &<&<&< &< &< &< &< &< &<&<&< &< &< &< &< &< &< &< &< &< &<&< &< &< &<&< CZbg CZbgCZbg CZbg CZfg CZfg CZfg CZg CZg SUBSTATION WEST ASH BASIN EAST ASH BASIN HEATED WATERDISCHARGE POND HYCO LAKE HYCO LAKE WABEXTENSIONIMPOUNDMENT EABEXTENSIONIMPOUNDMENT INDUSTRIAL LANDFILL LCID LANDFILL COOLING WATERINTAKE BASIN C O O LIN G T O W E R IN TA K E C A N A LFGDPONDS GYPSUMSTORAGE AREAROXBORO STEAMELECTRIC PLANT STATE HWY 57 SEMORA RD DUNNAWAY RD S T A T E R D 1 3 7 7 STATE RD 1336MCGHEES MILL RDBG-1 CW-1 CW-2 CW-2D CW-3CW-3D CW-4 CW-5 GMW-6 GMW-7 GMW-8 GMW-9 GMW-10 GMW-11 ABMW-1ABMW-1BR ABMW-2 ABMW-2BR ABMW-3 ABMW-3BR ABMW-4 ABMW-4BR ABMW-7 ABMW-7BR MW-4BR MW-8BR MW-9BR MW-12BR MW-15BR MW-15D MW-17BR MW-18BR MW-18D MW-14BR MW-11BR MW-13BR MW-2BR ABMW-5 ABMW-5D ABMW-6 ABMW-6BR BG-1BR BG-1D MW-1BR MW-3BR MW-5BR MW-5D MW-6BR MW-6D MW-7BR MW-10BR MW-14D MW-14S MW-16BR MW-1 MW-2 GMW-1 GMW-2 GMW-1A ABMW-3BRL ABMW-7BRL BG-1BRL MW-4BRL MW-20BRL MW-21BRL MW-22BRMW-22BRL MW-22D MW-23BR MW-24BR MW-25BR MW-26BR MW-19BR GPMW-1BRGPMW-1D GPMW-1S BG-2BR MW-27BR MW-28BR MW-29BR MW-30BR MW-31BR MW-32BR MW-33BR BG-1BRLR GPMW-2BR GPMW-2D MW-23BRR MW-11D GPMW-3BR GPMW-3D NOTES:NORTH CAROLINA GEOLOGIC BOUNDARIES MODIFED TO CORRESPOND WITHSYNTERRA FIELD OBSERVATIONS. MAP BASED ON GEOLOGIC SHAPEFILES OBTAINEDFROM THE USGS. USGS OPEN-FILE REPORT 2005-1323, PRELIMINARY INTEGRATEDGEOLOGIC MAP DATABASE FOR THE UNITED STATES: ALABAMA, FLORIDA, GEORGIA,MISSISSIPPI, NORTH CAROLINA AND SOUTH CAROLINA, DATED 2007.(https://pubs.usgs.gov/of/2005/1323/) SHADED RELIEF MAP BASED ON LIDAR DEM 20FT DATA FROM NORTH CAROLINAFLOOD RISK INFORMATION SYSTEM ACCESSED ON JANUARY 2, 2015. JUNE, 2016 AERIAL PHOTOGRAPHY OBTAINED FROM USDA NRCS GEOSPATIAL DATAGATEWAY (https://gdg.sc.egov.usda.gov.GDGOrder.aspx). DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83/2011). FIGURE 5-2GENERALIZED GEOLOGIC MAPROXBORO STEAM ELEC TRIC PLAN TDUKE ENERGY PROGRESS, LLCSEMORA, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: C. EADYCHECKED BY: A. LEFITZ DATE: 10/27/2017 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Roxboro\Map_Docs\CSA_Supplement_2\Fig5-2_Roxboro_Generalized Geology.mxd 600 0 600 1,200300 GRAPHIC SCALE IN FEET &<MONITORING WELL WATER SUPPLY WELL CZbg - BIOTITE GNEISS AND SCHIST(INNER PIEDMONT) CZfg - FELSIC MICA GNEISS(CHARLOTTE AND MILTON BELTS) CZg - METAMORPHOSED GRANITE ROCK(EASTERN SLATE BELT) ASH BASIN WASTE BOUNDARY ASH BASIN COMPLIANCE BOUNDARY LANDFILL BOUNDARY DUKE ENERGY PROGRESS ROXBORO PLANTSITE BOUNDARY <STREAM LEGEND 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com DRAWN BY: EPRI, 2004 PROJECT MANAGER: C. EADY LAYOUT: DATE: AUGUST 2017 P:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\CSA Update Oct 2017\Draft PDF \FIGURES\FIGURE 5-3 Piedmont Slope-Aquifer System FIGURE 5-3 PIEDMONT SLOPE-AQUIFER SYSTEM ROXBORO STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC SEMORA, 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. 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY: CRAIG EADY DATE:ADAM FEIGL SECTION A-A' 09/14/2017 10/28/2017 5:32 PM P:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\43.Revised CSA Guidance\DWG\DE ROXBORO CROSS-SECTIONS A-D 20170908.dwg FIGURE 6-1 GENERAL CROSS-SECTION A-A' ROXBORO STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC SEMORA, NORTH CAROLINA RO10DW-46 &DW-47BG-1BRLBG-1BREFFLUENTDISCHARGE CANALBIO-REACTOR BUILDINGGRAVEL ROADGRAVEL ROADWEST FGD POND EAST FGD POND ASPHALT ROADABMW-3BRHEATED WATER DISCHARGE CANALPLANT ELECTRIC SUBSTATION ASH BASIN WASTE BOUNDARY ASH BASIN COMPLIANCE BOUNDARY SEMORA RDDUKE ENERGY ROXBORO STEAM ELECTRIC PLANT PROPERTY VERTICAL EXAGGERATION 5X WOODLANDELEMENTARY SCHOOLABMW-3BRLASH ASH/SOIL REGOLITH REGOLITH ASH ASH PORE WATER BEDROCKBEDROCK BEDROCKSTEAM ELECTRIC PLANTGRAVEL ROADA'A (NORTH)(SOUTH)MW-5BRMW-5DDIRT ROADABMW-3CW-5ABMW-1BRABMW-1TD 398'BG-2BRBG-1BRLRMW-32BRMW-6BRMW-6DSLUICE PIPE TRENCH EAST ASH BASIN DUNNAW A Y R D SE M O R A R D (HW Y 5 7 )A'APOWER PLANT 0 125 250 500 HORIZONTAL SCALE: 1" = 500' VERTICAL SCALE: 1" = 100' 5X VERTICAL EXAGGERATION GENERALIZED WATER TABLE ASH ASH PORE WATER LITHOLOGIC CONTACT MW-16BR MW-16D MW-16S MW-12S ABMW-2 MY-1001 WELL IN TRANSITION ZONE WELL IN SAPROLITE MATERIAL WELL IN ALLUVIUM MATERIAL WELL IN COMPETENT BEDROCK WELL IN ASH PORE WATER WATER SUPPLY WELL LEGEND GENERALIZED GROUNDWATER FLOW DIRECTION GENERALIZED SUBSURFACE ASH PORE WATER FLOW DIRECTION BEDROCK HISTORIC GROUND SURFACE BASED ON THE 7-1/2' USGS TOPOGRAPHIC MAP FOR CLUSTER SPRINGS, VA DATED 1968. SOURCE INFORMATION: SURFICIAL FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION TRANSITION ZONE FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION BEDROCK FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION ASH FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION NOTE: CROSS SECTION A-A' IS LINEAR IN NATURE AND ALL LOCATIONS NOT ALONG THE CROSS SECTION ARE PROJECTED ONTO THE CROSS SECTION. NOTES 1.GROUNDWATER WELLS WERE MEASURED APRIL 10, 2017. 2.ALL VERTICAL ELEVATIONS ARE MEASURED IN FEET, NORTH AMERICA VERTICAL DATUM (NAVD) OF 1988. EXISTING GROUND SURFACE BASED ON A DRAWING PROVIDED BY THE WSP GROUP, TITLED "ROXBORO FINAL", DATED JUNE 8, 2015. PRIVATE WATER SUPPLY WELL INFORMATION WAS OBTAINED FROM A LIST PROVIDED BY DUKE ENERGY PROGRESS WEST ASH BASIN HYCO LAKE PROGRESS 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY: CRAIG EADY DATE:ADAM FEIGL SECTION B-B' 09/14/2017 FIGURE 6-2 GENERAL CROSS-SECTION B-B' ROXBORO STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC SEMORA, NORTH CAROLINA VERTICAL EXAGGERATION 5X BEDROCK DUKE ENERGY ROXBORO STEAM ELECTRIC PLANT PROPERTY GRAVEL ROADASH WATER ELEVATION=446' B'B (NORTH)(SOUTH) 10/28/2017 5:38 PM P:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\43.Revised CSA Guidance\DWG\DE ROXBORO CROSS-SECTIONS A-D 20170908.dwg ASH BASIN COMPLIANCE BOUNDARY ASHABMW-1GRAVEL ROADWAB EXTENSION IMPOUNDMENT HEATED WATER DISCHARGE POND ASH WATER ELEVATION=462' ASH BASIN POND WATER ELEVATION=412'ABMW-1BRABMW-2ABMW-2BRFILTER DIKE WEST ASH BASIN MAIN DAM OUTLET STRUCTURE BEDROCK BEDROCK BEDROCK REGOLITH/PWR REGOLITH/PWR EAST ASH BASIN DUNNAW A Y R D SE M O R A R D ( H W Y 5 7 )BB' POWER PLANT 0 125 250 500 HORIZONTAL SCALE: 1" = 500' VERTICAL SCALE: 1" = 100' 5X VERTICAL EXAGGERATION GENERALIZED WATER TABLE ASH ASH PORE WATER LITHOLOGIC CONTACT MW-16BR MW-16D MW-16S MW-12S ABMW-2 MY-1001 WELL IN TRANSITION ZONE WELL IN SAPROLITE MATERIAL WELL IN ALLUVIUM MATERIAL WELL IN COMPETENT BEDROCK WELL IN ASH PORE WATER WATER SUPPLY WELL LEGEND GENERALIZED GROUNDWATER FLOW DIRECTION GENERALIZED SUBSURFACE ASH PORE WATER FLOW DIRECTION BEDROCK HISTORIC GROUND SURFACE BASED ON THE 7-1/2' USGS TOPOGRAPHIC MAP FOR CLUSTER SPRINGS, VA DATED 1968. SOURCE INFORMATION: SURFICIAL FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION TRANSITION ZONE FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION BEDROCK FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION ASH FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION NOTE: CROSS SECTION B-B' IS LINEAR IN NATURE AND ALL LOCATIONS NOT ALONG THE CROSS SECTION ARE PROJECTED ONTO THE CROSS SECTION.NOTES 1.GROUNDWATER WELLS WERE MEASURED APRIL 10, 2017. 2.ALL VERTICAL ELEVATIONS ARE MEASURED IN FEET, NORTH AMERICA VERTICAL DATUM (NAVD) OF 1988. EXISTING GROUND SURFACE BASED ON A DRAWING PROVIDED BY THE WSP GROUP, TITLED "ROXBORO FINAL", DATED JUNE 8, 2015. WEST ASH BASIN HYCO LAKE ASH BASIN WASTE BOUNDARY PROGRESS 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY: CRAIG EADY DATE:ADAM FEIGL SECTION C-C' 05/25/2017 FIGURE 6-3 GENERAL CROSS-SECTION C-C' ROXBORO STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC SEMORA, NORTH CAROLINA VERTICAL EXAGGERATION 5X DUKE ENERGY ROXBORO STEAM ELECTRIC PLANT PROPERTY C'C (NORTH)(SOUTH) 10/28/2017 5:39 PM P:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\43.Revised CSA Guidance\DWG\DE ROXBORO CROSS-SECTIONS A-D 20170908.dwgGPMW-2DGPMW-2BRRAILROAD TRACKSCOOLING WATERINTAKE CANALGRAVEL ROADPONDMW-22DMW-22BRMW-22BRLGMW-11MW-13BRMW-19BRLGRAVEL ROADGRAVEL ROADRO3ASH ASH RESIDENCEROADBEDROCK BEDROCK BEDROCK BEDROCK REGOLITH REGOLITH STRUCTURAL FILL GYPSUM SOIL COVER ASH BASIN COMPLIANCE BOUNDARY INDUSTRIAL LANDFILL APPROXIMATE PHASE 1-5 LINER ELEVATION EAST ASH BASIN DUNNAWAY R D SE M O R A R D ( H W Y 5 7 )CC'POWER PLANT 0 125 250 500 HORIZONTAL SCALE: 1" = 500' VERTICAL SCALE: 1" = 100' 5X VERTICAL EXAGGERATION GENERALIZED WATER TABLE ASH ASH PORE WATER LITHOLOGIC CONTACT MW-16BR MW-16D MW-16S MW-12S ABMW-2 MY-1001 WELL IN TRANSITION ZONE WELL IN SAPROLITE MATERIAL WELL IN ALLUVIUM MATERIAL WELL IN COMPETENT BEDROCK WELL IN ASH PORE WATER WATER SUPPLY WELL LEGEND GENERALIZED GROUNDWATER FLOW DIRECTION GENERALIZED SUBSURFACE ASH PORE WATER FLOW DIRECTION BEDROCK HISTORIC GROUND SURFACE BASED ON THE 7-1/2' USGS TOPOGRAPHIC MAP FOR CLUSTER SPRINGS, VA DATED 1968. SOURCE INFORMATION: SURFICIAL FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION TRANSITION ZONE FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION BEDROCK FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION ASH FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION NOTE: CROSS SECTION C-C' IS LINEAR IN NATURE AND ALL LOCATIONS NOT ALONG THE CROSS SECTION ARE PROJECTED ONTO THE CROSS SECTION. NOTES 1.GROUNDWATER WELLS WERE MEASURED APRIL 10, 2017. 2.ALL VERTICAL ELEVATIONS ARE MEASURED IN FEET, NORTH AMERICA VERTICAL DATUM (NAVD) OF 1988. EXISTING GROUND SURFACE BASED ON A DRAWING PROVIDED BY THE WSP GROUP, TITLED "ROXBORO FINAL", DATED JUNE 8, 2015. PRIVATE WATER SUPPLY WELL INFORMATION WAS OBTAINED FROM A LIST PROVIDED BY DUKE ENERGY PROGRESS WEST ASH BASIN HYCO LAKE APPROXIMATE PHASE 6 LINER ELEVATION STRUCTURAL FILL ASH BASIN WASTE BOUNDARY PROGRESS 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY: CRAIG EADY DATE:ADAM FEIGL SECTION D-D' 09/14/2017 10/28/2017 5:40 PM P:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\43.Revised CSA Guidance\DWG\DE ROXBORO CROSS-SECTIONS A-D 20170908.dwg FIGURE 6-4 GENERAL CROSS-SECTION D-D' ROXBORO STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC SEMORA, NORTH CAROLINARO4DW-26McGHESS MILL RDVERTICAL EXAGGERATION 5X BEDROCKDIRT ROADASH BASIN COMPLIANCE BOUNDARY DUKE ENERGY ROXBORO STEAM ELECTRIC PLANT PROPERTY MW-17BREAB EXTENSION IMPOUNDMENTPZ-12GMW-6GMW-2INDUSTRIAL LANDFILL GRAVEL ROADGRAVEL ROADUNIT 3 COOLING TOWER POND ASH WATER ELEVATION =465' WATER ELEVATION=409' DD' (SOUTHEAST)(NORTHWEST)RESIDENCERESIDENCERESIDENCEMW-20BRLRO13DW-21RO7DW-25MW-24BRBEDROCK BEDROCK BEDROCK APPROXIMATE LINER ELEVATION GMW-2AEAB SEPARATOR DIKE BEDROCK EAST ASH BASIN DUNNAW A Y R D SE M O R A R D ( H W Y 5 7 ) D D' POWER PLANT 0 125 250 500 HORIZONTAL SCALE: 1" = 500' VERTICAL SCALE: 1" = 100' 5X VERTICAL EXAGGERATION GENERALIZED WATER TABLE ASH ASH PORE WATER LITHOLOGIC CONTACT MW-16BR MW-16D MW-16S MW-12S ABMW-2 MY-1001 WELL IN TRANSITION ZONE WELL IN SAPROLITE MATERIAL WELL IN ALLUVIUM MATERIAL WELL IN COMPETENT BEDROCK WELL IN ASH PORE WATER WATER SUPPLY WELL LEGEND GENERALIZED GROUNDWATER FLOW DIRECTION GENERALIZED SUBSURFACE ASH PORE WATER FLOW DIRECTION BEDROCK HISTORIC GROUND SURFACE BASED ON THE 7-1/2' USGS TOPOGRAPHIC MAP FOR CLUSTER SPRINGS, VA DATED 1968. SOURCE INFORMATION: SURFICIAL FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION TRANSITION ZONE FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION BEDROCK FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION ASH FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION NOTE: CROSS SECTION D-D' IS LINEAR IN NATURE AND ALL LOCATIONS NOT ALONG THE CROSS SECTION ARE PROJECTED ONTO THE CROSS SECTION. NOTES 1.GROUNDWATER WELLS WERE MEASURED APRIL 10, 2017. 2.ALL VERTICAL ELEVATIONS ARE MEASURED IN FEET, NORTH AMERICA VERTICAL DATUM (NAVD) OF 1988. EXISTING GROUND SURFACE BASED ON A DRAWING PROVIDED BY THE WSP GROUP, TITLED "ROXBORO FINAL", DATED JUNE 8, 2015. PRIVATE WATER SUPPLY WELL INFORMATION WAS OBTAINED FROM A LIST PROVIDED BY DUKE ENERGY PROGRESSWEST ASH BASIN HYCO LAKE REGOLITH ASH PORE WATER ASH ASH PORE WATER SOIL MW-20BRL ARTESIAN WELL ASH BASIN WASTE BOUNDARY PROGRESS <<<<<<<<< <<<<<< < ! !&<&< &<&< &<&<&< &<&< &<&< &<&< &<&<&< &<&< &< &< &< &< &<&< &<&< &<&< &< &< &< &< &< &< &< &<&<&< &<&< &< &< &<&< &< &< &< &<&<&< &< &< &< &< &< &< &<&< &<&< &< &< &< &< &<&< &< &< &< &< ELECTRICALSUBSTATION EAST ASH BASIN WEST ASH BASIN EAB EXTENSIONIMPOUNDMENT HYCO LAKE HYCO LAKE HEATED WATERDISCHARGE POND HYCO LAKE WAB EXTENSION IMPOUNDMENT EAST ASH BASINSEPARATOR DIKE FGDPONDS GYPSUMSTORAGEAREA 500480480500520460420440LCID LANDFILL INDUSTRIAL LANDFILL COOLING WATERINTAKE CANAL ROXBORO STEAMELECTRIC PLANT COOLING WATERINTAKE BASIN 500460480 4 8 0 50 044052 0420CW-1485.5 ABMW-1463.53 ABMW-1BR462.83 ABMW-2463.1 ABMW-2BR463.12 ABMW-3464.64ABMW-3BR448.16 ABMW-3BRL427.51 ABMW-4468.78 ABMW-4BR468.74 ABMW-5467.33 ABMW-5D434.67 ABMW-6468.43ABMW-6BR468.45 ABMW-7467.07ABMW-7BR464.05ABMW-7BRL457.11 BG-1D496.5 BG-1BR495.91 BG-1BRL411.48 MW-01BR478.07 MW-2BR477.39 MW-03BR428.32 MW-4BR456.55MW-4BRL459.29 MW-5BR430.81 MW-5D448.15 MW-6BR410.3 MW-6D411.68 MW-7BR463.4 MW-8BR443.38 MW-9BR416.51 MW-10BR530.78 MW-11BR461.27 MW-12BR452.67 MW-13BR513.59 MW-14BR465.94 MW-14D466.26 MW-14SDRY MW-15BR498.53 MW-15D499.65 MW-16BR489.94 MW-17BR496.76 MW-18BR487.31 MW-18D487.65 MW-19BRL525.74 MW-20BRL487.11 MW-21BRL464.04 MW-22D456.33 MW-22BR455.99 MW-22BRL397.36 MW-23BR469.87 MW-24BR486.5 MW25-BR492.56 MW-26BR483.13 BG-1496.45 CW-2411.13 CW-2D411.09 CW-3446.35CW-3D448.87 CW-4451.13 CW-5448.75 GMW-6455.99 GMW-7471.82 GMW-8483.14 GMW-09514.37 GMW-10465.34 GMW-11479.33 PZ-12470.34 PZ-14455.12 SHORE RDSTATE RD 1316 STAT E H W Y 5 7 SEMORA RD DUNNAWAY RD STATE RD 1377 MCGHEES MILL RDSTATE RD 1336OUTFALL 003 OUTFALL 002 FIGURE 6-5GENERALIZED WATER LEVEL MAP OCTOBER 31, 2016ROXBORO STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC SEMORA, NORTH CAROLINADRAWN BY: J. ROBERTSPROJECT MANAGER: C. EADYCHECKED BY: A. LEFITZ DATE: 10/27/2017 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Roxboro\Map_Docs\CSA_Supplement_2\Water Level\NOVEMBER WATER LEVEL MAP.mxd 600 0 600 1,200300 IN FEET GRAPHIC SCALE NOTES:WATER LEVEL ELEVATIONS WERE COLLECTED BY SYNTERRA ONOCTOBER 31, 2016. JUNE 2016 AERIAL ORTHOPHOTOGRAPHY OBTAINED FROM USDA NRCSGEOSPATIAL DATA GATEWAY(https://gdg.sc.egov.usda.gov/GDGOrder.aspx). DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINASTATE PLANE COORDINATE SYSTEM 3200 (NAD 83). WELLS SURVEYED BY MCKIM AND CREED. THE HORIZONTAL DATUM ISSET TO NAD83 AND THE VERTICAL DATUM IS SET NAVD88. 2017AMECFW COMPLIANCE MONITORING WELL LOCATIONS AND WASTE BOUNDARYPROVIDED BY DUKE ENERGY PROGRESS. ADDITIONAL MONITORING WELL AND PIEZOMETER LOCATIONS BASEDON DATA PROVIDED BY PROGRESS ENERGY. THE UNLINED LANDFILL BOUNDARY IS NOT SHOWN FOR DRAWINGCLARITY. LEGEND WATER LEVEL CONTOUR IN FEET (NAVD 88) INFERRED WATER LEVEL CONTOUR (NAVD 88) WATER LEVEL ELEVATION IN FEET (NAVD 88)&< LANDFILL AREA DUKE ENERGY PROGRESS ROXBORO PLANT BOUNDARY DIRECTION OF GROUNDWATER FLOW ASH BASIN WASTE BOUNDARY ASH BASIN COMPLIANCE BOUNDARY @A@A @A@A @A@A@A @A@A @A@A @A@A @A@A @A@A @A @A@A @A@A @A @A @A @A @A @A @A @A @A @A @A @A @A @A@A @A@A @A@A @A @A @A @A @A @A@A @A@A @A @A @A@A @A @A @A@A @A @A @A @A @A @A @A @A @A @A @A @A @A@A @A @A @A@A @A@A @A@A@A @A @A @A @A @A @A @A @A @A @A <<<<<<<<< <<<<<< < ! ! ELECTRICALSUBSTATION EAST ASH BASIN EAB EXTENSIONIMPOUNDMENT HYCO LAKE HYCO LAKE HEATED WATERDISCHARGE POND HYCO LAKE WAB EXTENSIONIMPOUNDMENT EAST ASH BASINSEPARATOR DIKE FGDPONDS 500460480440420 4 8 0 MW-15D499.68 5 0 0 520500480460440420LCID LANDFILL ROXBORO STEAMELECTRIC PLANT ROXBORO STEAMELECTRIC PLANT COOLING WATERINTAKE BASIN 5 0 0 4 8 0 5 2 0 MW-1BR479.29 ABMW-1462.98ABMW-1BR462.15 ABMW-2461.02 ABMW-2BR461.85 ABMW-3464.03 ABMW-3BR447.42ABMW-3BRL426.94 ABMW-4468.56 ABMW-4BR468.46 ABMW-5467.13ABMW-5D433.89 ABMW-6468.58 ABMW-6BR468.59 ABMW-7466.83ABMW-7BR463.72 BG-1495.50 BG-1BR494.98 CW-1484.96CW-2411.36 CW-2D411.34 CW-3446.67 CW-3D450.04 CW-4450.58 CW-5450.09 GMW-6457.9 GMW-7472.52 GMW-8482.35 GMW-9512.68 GMW-10464.26 GMW-11479.32 MW-1411.3 MW-2410.36 MW-2BR476.84 MW-3BR427.64 MW-4BR455.21 MW-4BRL460.31 MW-5BR431.56MW-5D450.34 MW-6BR410.56MW-6D411.91 MW-7BR463.16 MW-8BR441.97 MW-9BR416.12 MW-10BR530.17 MW-13BR512.97 MW-14BR464.95 MW-14D465.33 MW-15BR498.6 MW-15D499.68 MW-16BR489.18 MW-17BR497.21 MW-18BR486.16 MW-18D486.49 MW-19BRL525.68 MW-20BRLARTISIAN MW-22BR454.95 MW-22D455.07 MW-23BR472.21 MW-24BR487.04 MW-25BR492.98 MW-26BR483.32 ABMW-7BRL456.67 BG-1D495.53 BG-1BRL479.94 MW-11BR462.32 MW-12BR452.15 MW-21BRL481.94 MW-22BRL438.29 PZ-12470.27 PZ-14454.87 GMW-1A410.87 GMW-2NA MW-14SDRYGPMW-3D421.16 GPMW-3BR413.91GPMW-2D413.02 GPMW-2BR411.66 GPMW-1S418.85 GPMW-1D417.96GPMW-1BR414.8 MW-30BR460.27 MW-29BR458.41 MW-28BR416.9 MW-31BR466.87 MW-32BR471.23 MW-33BR457.01 MW-27BR452.27 MW-23BRR519.83 BG-1BRLR484.28 MW-11D461.71 SH O R E R D S T A T E H W Y 5 7SEMORA RD DUNNAWAY RD S T A T E R D 1 3 7 7 STATE RD 1336MCGHEES MILL RDOUTFALL 003 OUTFALL 002 FIGURE 6-6GENERALIZED WATER LEVEL MAPAPRIL 10, 2017ROXBORO STEAM ELECTRIC PLANTDUKE ENERGY PROGRESS, LLCSEMORA, NORTH CAROLINADRAWN BY: J. ROBERTSPROJECT MANAGER: C. EADYCHECKED BY: A. LEFITZ DATE: 10/29/2017 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Roxboro\Map_Docs\CSA_Supplement_2\Water Level\Figure 6-1 Water Level Map.mxd 600 0 600 1,200300 IN FEET GRAPHIC SCALE NOTES:WATER LEVEL ELEVATIONS WERE COLLECTED BY SYNTERRA ON APRIL10, 2017. JUNE 2016 AERIAL ORTHOPHOTOGRAPHY OBTAINED FROM USDA NRCSGEOSPATIAL DATA GATEWAY(https://gdg.sc.egov.usda.gov/GDGOrder.aspx). DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINASTATE PLANE COORDINATE SYSTEM 3200 (NAD 83). WELLS SURVEYED BY MCKIM AND CREED. THE HORIZONTAL DATUM ISSET TO NAD83 AND THE VERTICAL DATUM IS SET NAVD88. 2017AMECFW COMPLIANCE MONITORING WELL LOCATIONS AND WASTE BOUNDARYPROVIDED BY DUKE ENERGY PROGRESS. ADDITIONAL MONITORING WELL AND PIEZOMETER LOCATIONS BASEDON DATA PROVIDED BY PROGRESS ENERGY. THE UNLINED LANDFILL BOUNDARY IS NOT SHOWN FOR DRAWINGCLARITY. LEGEND WATER LEVEL CONTOUR IN FEET (NAVD 88) INFERRED WATER LEVEL CONTOUR (NAVD 88) WATER LEVEL ELEVATION IN FEET (NAVD 88)&< LANDFILL AREA DUKE ENERGY PROGRESS ROXBORO PLANT BOUNDARY DIRECTION OF GROUNDWATER FLOW ASH BASIN WASTE BOUNDARY ASH BASIN COMPLIANCE BOUNDARY INDUSTRIAL LANDFILL WEST ASH BASIN &< &< &< &< &< &< &< &< &< EASTASH BASIN WEST ASHBASIN HEATED WATERDISCHARGE POND HYCOLAKE FGD PONDS BIO REACTOR SUBSTATION EAB EXTENSION IMPO UNDMENT HEATED WATERDISCHARGE CANAL EFFLUENTDISCHARGE CANAL EFFLUENTDISCHARGE CANAL LCID LANDFILL INDUSTRIAL LANDFILL ABMW-7BR ANDABMW-7BRL0.044 ABMW-3 ANDABMW-3BR0.358 ABMW-7 ANDABMW-7BR0.056 ABMW-3BR ANDABMW-3BRL0.109 ABMW-6 ANDABMW-6BR-0.001 ABMW-5 ANDABMW-5D0.947 ABMW-4 ANDABMW-4BR0.002 ABMW-1 ANDABMW-1BR0.018 ABMW-2 ANDABMW-2BR-0.010 FIGURE 6-7POTENTIAL VERTICAL GRADIENT MAPROXBORO STEAM STATION PLANTDUKE ENERGY PROGRESS, LLCSEMORA, NORTH CAROLINA GRAPHIC SCALE PROJECT MANAGER: C. EADY DATE: 10/29/2017CHECKED BY: A. LEFITZ P:\Duke Energy Progress.1026\00 GIS BASE DATA\Roxboro\Map_Docs\CSA_Supplement_2\Vertical Gradient\Vertical Gradient Map.mxdROXBORO STEAM ELECTRIC PLANTSEMORA, NORTH CAROLINA DRAWN BY: J. ROBERTS Service Layer Credits: Esri, HERE, DeLorme,MapmyIndia, © OpenStreetMap contributors,and the GIS user community NOTES:1 WATER LEVELS WERE COLLECTED BY SYNTERRA ON APRIL 10, 2017 2 2016 AERIAL ORTHOPHOTOGRAPHY OBTAINED FROM USDA NRCS GEOSPATIAL DATAGATEWAY (https://gdg.sc.egov.usda.gov/GDGOrder.aspx). 3 PARCEL BOUNDARY WAS OBTAINED FROM THE NC CENTER FOR GEOGRAPHICINFORMATION AND ANALYSIS. (http://services.nconemap.gov/) 4 DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83/2011) LEGEND 148 RIVER STREET, SUITE 220, GREENVILLE, SC 29601864-421-9999www.synterracorp.com POTENTIAL VERTICAL GRADIENT ( foot per foot )1 &<&< &< &< &< &<&< &< &< &< &< &<&< &< &< &< &< &< LCID LANDFILL EASTASH BASINWEST ASHBASIN HEATED WATERDISCHARGE POND HYCOLAKE GYPSUMSTORAGE AREA HYCOLAKE ROXBORO PLANT FGD PONDS BIO REACTOR SUBSTATION WAB EXTENSION IMPO UNDMENT COOLING WATER INTAKE BASIN EAB EXTENSION IMPO UNDMENT DISCHARGE CANAL EFFLUENTDISCHARGE CANAL EFFLUENTDISCHARGE CANAL INDUSTRIAL LANDFILL BG-1 ANDBG-1BR0.012BG-1D ANDBG-1BR0.012 CW-2 andCW-2D0.002 CW-3 andCW-3D-.091 GPMW-1D ANDGMPW-1BR0.064 GPMW-2D ANDGPMW-2BR0.019 MW-14D AND MW-14BR0.014 MW-18D ANDMW-18BR0.007 MW-22D ANDMW-22BR0.003 MW-4BR ANDMW-4BRL-0.024 MW-5D ANDMW-5BR0.377 MW-6D ANDMW-6BR0.027 GMW-9 ANDMW-21BRL0.004 MW-15D ANDMW-15BR0.037 POTENTIAL VERTICAL GRADIENTBETWEEN PERIMETER ANDBACKGROUND WELLS POTENTIAL VERTICAL GRADIENTBETWEEN ASH BASIN WELLS 0 POTENTIAL VERTICAL GRADIENT-0.091: UPWARD ( 1.0 foot per foot ) 0.38: DOWNWARD ( 1.0 foot per foot ) 0 POTENTIAL VERTICAL GRADIENT-0.001: UPWARD ( 1.0 foot per foot ) 0.947: DOWNWARD ( 1.0 foot per foot ) &<MONITORING WELL DATE: 10/29/2017 ³ ³ ASH BASIN COMPLIANCE BOUNDARY DUKE ENERGY PROGRESS ROXBORO PLANT BOUNDARY ASH BASIN WASTE BOUNDARY 0 970 1,940 2,910 3,880485 Feet Well IDs Vertical Hydraulic Gradient (ft per ft)Flow Direction ABMW-1 AND ABMW-1BR 0.018 Do wnwardABMW-2 AND ABMW-2BR -0.010 UpwardABMW-3 AND ABMW-3BR 0.358 Do wnwardABMW-3BR AND ABMW-3BRL 0.109 Do wnwardABMW-4 AND ABMW-4BR 0.002 Do wnwardABMW-5 AND ABMW-5D 0.947 Do wnwardABMW-6 AND ABMW-6BR -0.001 UpwardABMW-7 AND ABMW-7BR 0.056 Do wnwardABMW-7BR AND ABMW-7BRL 0.044 Do wnward Ash Basin Wells Well IDs Vertical Hydraulic Gradient (ft per ft)Flow Direction BG-1 AND BG-1BR 0.012 Dow nwardBG-1D AND BG-1BR 0.012 Dow nwardBG-1BRLR AND BG-1BRL 0.031 Dow nwardMW-4BR AND MW-4BRL -0.024 UpwardMW-5D AND MW-5BR 0.377 Dow nwardMW-6D AND MW-6BR 0.027 Dow nwardMW-14D AND MW-14BR 0.014 Dow nwardMW-15D AND MW-15BR 0.037 Dow nwardMW-18D AND MW-18BR 0.007 Dow nwardGMW-9 AND MW-21BRL 0.004 Dow nwardMW-22D AND MW-22BR 0.003 Dow nwardMW-22BR AND MW-22BRL 0.072 Dow nwardCW-2 and CW-2D 0.002 Dow nwardCW-3 and CW-3D -0.091 UpwardGPMW-1S AND GMPW-1D 0.030 Dow nwardGPMW-1D AND GMPW-1BR 0.064 Dow nwardGPMW-2D AND GPMW-2BR 0.019 Dow nwardGPMW-3D AND GPMW-3BR 0.097 Dow nward Perimeter and Background Wells <<<<<<<<<<<&< &< &<&< &<&< &< &< &< &< &<&< &<&< &<&< &<&< &<&< &<&< &<&< &< &< &< &< &<&< &< &<&< &< &< &< &< &<&< &<&< &<&< &< &< &<&< &<&< &<&< &<&< &< &< &< &< &< &< &< &< &< &< &<&< &< &< &< &< &< &<&<&< &< &< &< &< &< &< &< &< &< &<&< &< &< &<&< HEATED WATERDISCHARGE POND HYCOLAKE WABEXTENSIONIMPOUNDMENT EABEXTENSIONIMPOUNDMENT SUBSTATION MCGHEES MILL ROADLCID LANDFILL INDU STRIAL LANDFILL WEST ASH BASIN EA ST ASH BASIN COOLING WATERINTAKE BASIN C O O L IN G T O W E R IN T A K E C A N A L FGDPONDS GYPSUMSTORAGE AREA ROXBORO STEAMELECTRIC PLANT SHORE RDSTATE RD 1316 DUNNAWAY RD S T A T E R D 1 3 7 7 STATE RD 1336STATE HWY 57 SEMORA RD MCGHEES MILL RDFIGURE 6-8POTENTIAL FRACTURE TRACE ANALYSISROXBORO STEAM ELECTRIC PLANTDUKE ENERGY PROGRESS, LLCSEMORA, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: C. EADYCHECKED BY: A. LEFITZ DATE: 10/27/2017 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Roxboro\Map_Docs\CSA_Supplement_2\Fig6-8_Roxboro_Fracture Trace Analysis.mxd GRAPHIC SCALE NOTES:SHADED RELIEF MAP BASED ON LIDAR DEM 20 DATA FROM NORTH CAROLINAFLOOD RISK INFORMATION SYSTEM ACCESSED ON JANUARY 2, 2015. JUNE, 2016 AERIAL PHOTOGRAPHY OBTAINED FROM USDA NRCS GEOSPATIALDATA GATEWAY (https://gdg.sc.egov.usda.gov.GDGOrder.aspx). DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATEPLANE COORDINATE SYSTEM FIPS 3200 (NAD83/2011). 0 820 1,640 2,460 3,280410 Feet &<MONITORING WELL LEGEND ASH BASIN COMPLIANCE BOUNDARY DUKE ENERGY PROGRESS ROXBORO PLANT SITEBOUNDARY WATER SUPPLY WELL FRACTURE TRACE NPDES OUTFALL 003 NPDES OUTFALL 002 ASH BASIN WASTE BOUNDARY LANDFILL BOUNDARY STREAM< <<<<<<<<<<<<<< <<<!( !( !( !( !( !( !( !( !( !( !( !( !( !< !( !( !( !( !( !( !( HEATED WATERDISCHARGE POND ROXBORO PLANT EAST ASH BASIN WEST ASH BASIN HYCOLAKE INDUSTRIAL LANDFILL LCID LANDFILL EABEXTENSIONIMOUNDMENT WABEXTENSIONIMOUNDMENT COOLING WATERINTAKE BASIN FGDPONDS SUBSTATION GYPSUMSTORAGE AREA D U N N A W A Y R D STATE RD 1336MCGHEES MILL RDABMW-01BR AB-02 AB-03 AB-05 AB-06 AB-07 MW-02BR MW-03BR MW-04 MW-05BR MW-06BR MW-08 MW-11BR MCGHEES MILL RDSTATE RD 1336DUNNAWAY RD STATE RD 1377 FIGURE 7-1POTENTIAL SECONDARY SOURCESOIL ANALYTICAL RESULT SROXBORO STEAM ELECTRIC PL AN TDUKE ENERGY PROGRESS, LLCSEMORA, NORTH CAROLINADRAWN BY: A . FEIGLPROJECT MANAGER: C. EADYCHECKED BY: K. DONOVAN DATE: 10/27/2017 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Roxboro\Map_Docs\CSA_Supplement_2\Fig7-1_SecondarySoilResults_Rox.mxd 0 400 800 1,200200 GRAPHIC SCALE IN FEET NOTES:2016 A ERIAL ORTH OP HOTOGR APHY OB TAINED FR OM US DA N RC S GE OS PATIAL D ATAGATEWAY (https://gdg.sc.egov.usda.gov/GDGOrder.aspx). DR AWING H AS BEE N S ET WITH A PROJECTION OF N ORTH CAR OLINA STATE PLAN ECOORDINATE SYSTEM FIPS 3200 (NA D83/2011). LEGEND COI RESULT UNITS PBTV PSRG CHROMIUM 46.6 mg/kg 10.7 3.8 COBALT 12.5 mg/kg 11.3 0.9 SODIUM 547 mg/kg 456 NE MW-03BR (21 - 23) COI RESULT UNITS PBTV PSRG CHROMIUM 81.8 mg/kg 10.7 3.8 COBALT 13.7 mg/kg 11.3 0.9 MW-04 (23 - 25) COI RESULT UNITS PBTV PSRG COBALT 13.8 mg/kg 11.3 0.9 VANADIUM 88.9 mg/kg 68.7 6 MW-02BR (11 - 13) COI RESULT UNITS PBTV PSRGCHROMIUM18.5 mg/kg 10.7 3.8 COBALT 13 mg/kg 11.3 0.9 STRONTIUM 43.5 mg/kg 39.2 NE SULFATE 246 j mg/kg 11 NE COI RESULT UNITS PBTV PSRGSULFATE280 j mg/kg 11 NE AB-05 (58 - 60) AB-05 (68 - 70) COI RESULT UNITS PBTV PSRG CHROMIUM 13 mg/kg 10.7 3.8 COBALT 12.6 mg/kg 11.3 0.9 MW-11BR (18.75 - 19.5) COI RESULT UNITS PBTV PSRGMANGANESE426mg/kg 405 65 COI RESULT UNITS PBTV PSRG CHROMIUM 97.4 mg/kg 10.7 3.8 COBALT 16.6 mg/kg 11.3 0.9 STRONTIUM 69.5 mg/kg 39.2 NE MW-06BR (5 - 7) MW-06BR (8 - 10) COI RESULT UNITS PBTV PSRG CHROMIUM 32.9 mg/kg 10.7 3.8 COBALT 16.6 mg/kg 11.3 0.9 MW-05BR (5 - 6) COI RESULT UNITS PBTV PSRG ARSENIC 48.3 mg/kg 1.56 5.8 CHROMIUM 15 mg/kg 10.7 3.8 MOLYBDENUM 16.9 mg/kg 2.8 NE SELENIUM 11.3 mg/kg 1.63 2.1 STRONTIUM 109 mg/kg 39.2 NE SULFATE 555 mg/kg 11 NE AB-06 (56 - 58) COI RESULT UNITS PBTV PSRG STRONTIUM 40.7 mg/kg 39.2 NE AB-07 (80 - 82) COI RESULT UNITS PBTV PSRG CHROMIUM 19.2 mg/kg 10.7 3.8 AB-02 (80 - 82) COI RESULT UNITS PBTV PSRG CHROMIUM 11 mg/kg 10.7 3.8 ABMW-01BR (83 - 85) COI RESULT UNITS PBTV PSRG CHROMIUM 17.4 mg/kg 10.7 3.8 COBALT 15.3 mg/kg 11.3 0.9 MANGANESE 496 mg/kg 405 65 STRONTIUM 97.2 mg/kg 39.2 NE MW-08 (21 - 23) 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Roxboro\Map_Docs\CSA_Supplement_2\Fig7-1_SecondarySoilResults_Rox.mxd COI RESULT UNITS PBTV PSRGCOBALT13.6 mg/kg 11.3 0.9 IRON 28,600 mg/kg 27,147 150 SULFATE 342 j mg/kg 11 NE VANADIUM 70.7 mg/kg 68.7 6 COI RESULT UNITS PBTV PSRG CHROMIUM 25.7 mg/kg 10.7 3.8 COBALT 15.5 mg/kg 11.3 0.9 MANGANESE 414 mg/kg 405 65 SULFATE 422 mg/kg 11 NE AB-03 (12 - 14) AB-03 (8 - 10) SATURATED SOIL SAMPLE LOCATION AND DEPTH(FEET BELOW GROUND SURFACE)!( UNSATURATED SOIL SAMPLE LOCATION AND DEPTH(FEET BELOW GROUND SURFACE)!( ASH BASIN WASTE BOUNDARY ASH BASIN COMPLIANCE BOUNDARY LANDFILL BOUNDARY DUKE ENERGY PROGRESS ROXBO RO PLANTSITE BOUNDARYSTREAM< FIGURE 9-1PIPER DIAGRAM ̶ SURFACE WATER AND AOWs ROXBORO STEAM ELECTRIC PLANTDUKE ENERGY PROGRESSSEMORA, NORTH CAROLINA 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.comDRAWN BY: T. PLATINGPROJECT MANAGER: C. EADYLAYOUT: DATE: SEPTEMBER 2017FILEPATH: P:\Duke Energy Carolinas\15. Riverbend\05.EHS CAMA Compliance Support\CSA Supplement 2017\PiperAOW ID% DifferenceNotes:Blue–Downgradient Surface Water Orange – Hyco Lake Surface Water Green – Background Surface WaterData with charge balance >10% are omitted from plot.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 limitACF-02 DW1.173GCF-02 SW3.955HCF-04 DW3.420LCF-04 SW7.428HCL-023.302CCL-02S3.314ECL-054.678ICL-05S3.656ECL-074.445ICV-023.069BEAB-012.861DEDC-012.077CEDC-024.392JEDC-032.947CEDC-046.292JEF-02 DW4.586MEF-02 SW5.809OEF-04 DW6.642LEF-04 SW6.238BSW-018.550CWAB-013.336GWDC-013.706BWDC-024.188MWDC-033.428DWDC-043.894DWDC-055.013WDC-062.199WF-02 DW3.092WF-02 SW6.048WF-04 DW5.603WF-04 SW5.466SW-057.772DHBBHM FIGURE 10-1PIPER DIAGRAM ̶ SAPROLITE AND TRANSITION ZONE ROXBORO STEAM ELECTRIC PLANTDUKE ENERGY PROGRESS, LLC SEMORA, NORTH CAROLINA 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.comDRAWN BY: T. PLATINGPROJECT MANAGER: C. EADYLAYOUT: DATE: SEPTEMBER 2017FILEPATH: P:\Duke Energy Progress.1026\107. Roxboro Ash Basin GWFIGURE 10-1 - Piper Diagram - SAP AND TZ Assessment Plan\CSA Update Oct 2017\Draft Final 10_20_2017\Figures\Well ID % DifferenceNotes:Black – Within or below ashBlue - DowngradientOrange -UpgradientGreen –BackgroundData with charge balance >10% are omitted from plot.Data included for analysis from May 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 limitJABMW-02 1.141LABMW-04 0.174MABMW-05 3.430OABMW-06 5.477PABMW-07 0.778IGPMW-01S 1.448ABMW-05D 3.675KCW-02 5.991LCW-04 7.336MCW-05 4.876OGMW-06 3.356GPMW-01D 0.996AGPMW-02D 0.609BGPMW-03D 4.834CMW-05D 3.199DMW-06D 7.536EMW-22D 1.520JMW-15D 9.059KMW-18D 6.824AP MW-17BR 6.670FIGURE 10-2PIPER DIAGRAM ̶ BEDROCK ROXBORO STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC SEMORA, NORTH CAROLINA 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.comDRAWN BY: T. PLATINGPROJECT MANAGER: C. EADYLAYOUT: DATE: SEPTEMBER 2017FILEPATH: P:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\CSA Update Oct 2017\Draft Final 10_20_2017\Figures\FIGURE 10-2 - Piper Diagram -BedrockWell ID % DifferenceNotes:Black – Within or below ashBlue - DowngradientOrange -UpgradientGreen –BackgroundData with charge balance >10% are omitted from plot.Data included for analysis from May 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 % DifferenceJABMW-02 1.141LABMW-04 0.174MABMW-053.430IABMW-065.477OABMW-070.778AABMW-01BR 7.972BABMW-02BR 4.998CABMW-03BR 2.005DABMW-03BRL 2.805EABMW-04BR 9.269GABMW-06BR 5.718HABMW-07BR 4.984IABMW-07BRL 5.440JCW-012.105 KCW-02D2.436LCW-03D5.519MGMW-077.175OGMW-105.707PGMW-114.399AGPMW-01BR 2.044BGPMW-02BR 1.233CGPMW-03BR 1.303DMW-01BR7.480EMW-02BR5.990GMW-03BR1.279HMW-04BR5.173MW-05BR2.203MW-06BR6.075MW-07BR7.021MW-08BR6.030MW-09BR6.228MW-11BR6.281MW-22BR6.113MW-23BR5.774MW-27BR2.365GMW-085.671GMW-097.428MW-20BRL7.311MW-24BR5.908MW-25BR6.015MW-26BR7.861MW-28BR4.490MW-29BR3.199MW-30BR8.463MW-31BR8.459MW-32BR6.948BG-01BR6.640MW-10BR5.896MW-13BR1.192MW-14BR6.772MW-15BR5.930MW-18BR7.855MW-19BR5.974BG-01BRLR 6.199BG-02BR5.104IJKLMOPABIJKLMOPABCDIJKLMOPACD <<<<<<<<<<<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< HEATED WATERDISCHARGE POND HYCOLAKE GYPSUMSTORAGE AREA HYCOLAKE ROXBORO PLANT FGD PONDS BIO REACTOR SUBSTATION WAB EXTENSION IMPOUNDMENT COOLING WATER INTAKE BASIN EAB EXTENSION IMPOUNDMENT LCID LANDFILL INDUSTRIAL LANDFILL EAST ASH BASIN WEST ASHBASIN STAT E H W Y 5 7 SEMORA R D DUNNAWAY RD STATE RD 1336MCGHEES MILL RDGPMW -1SND ABMW -5DND BG-1ND CW -2ND CW -3ND CW -4ND CW -5ND GMW -6ND GPMW -1DND GPMW -2DND GPMW -3DND MW -15DND MW -18DND MW -22DND MW -5DND MW -6DND FIGURE 11-1ISOCONCENTRATION MAPANTIMONY IN TRANSITION ZONE GROUNDWATERROXBORO STEAM ELECTRIC PLANTDUKE ENERGY PROGRESS, LLCSEMORA, NORTH CAROLINADRAWN BY: J. ROBERTSPROJECT MANAGER: C. EADYCHECKED BY: C. EADY DATE: 10/28/2017 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BAS E DATA\R oxboro\Map_Docs\CS A_S upplement_2\IS OCON MAPS \ANT IMONY IN T Z.mxd GRAPHIC SCALE07251,450 2,175 2,900362.5 Feet NOT ES : T HE INT ER IM MAX IMUM ALLOW ABLE CONCENT R AT ION (IMAC) FOR ANT IMONY IS 1 μg/L. PR OV IS IONAL BACKGR OUND T HR ES HOLD V ALUE IS S ET AT R EPOR T ING LIMIT OF 1 μg/L. DAS HED IS OCONCENT R AT ION CONT OUR S W HER E INFER R ED. NS = NOT S AMPLED * V ALUE CONS IDER ED AN ANOMALY † CONCENT R AT ION GR EAT ER T HAN CUR R ENT S IT E S PECIFIC BT V BUT W IT HIN T HEBACKGR OUND CONCENT R AT ION R ANGE FOR S IMILAR PIEDMONT GEOLOGIC S ET T INGS .DUE T O GR OUNDW AT ER FLOW DIR ECT ION AND OT HER CONS T IT UENT MIGR AT IONPAT T ER NS , CONCENT R AT ION DOES NOT S UGGES T IMPACT FR OM T HE AS H BAS IN. DATA MAY INCLUDE LAB-QUALIFIED R ES ULT S . R EFER T O ANALY T ICAL DATA TABLENOT ES FOR QUALIFIER DEFINIT IONS . CONCENT R AT IONS R EPOR T ED ON FIGUR E R EPR ES ENT MOS T R ECENT V ALID S AMPLER ES ULT S FOR EACH W ELL. DAT A W IT H HIGH T UR BIDIT Y (>10 NT U) OR R ES ULT S T HATINDICAT E GR OUT CONTAMINAT ION OF T HE W ELL (PH>9) HAV E BEEN R EMOV ED FR OMDATAS ET. COLLECT ION DAT ES DEPICT ED ON FIGUR E R ANGE FR OM MAR CH 2015 T OJULY 2017. PR OPER T Y BOUNDAR Y PR OV IDED BY DUKE ENER GY PR OGR ES S . AER IAL PHOT OGR APHY OBT AINED FR OM GOOGLE EAR T H PR O ON S EPT EMBER 27, 2017.AER IAL W AS COLLECT ED ON J UNE 13, 2016. DR AW ING HAS BEEN S ET W IT H A PR OJ ECT ION OF NOR T H CAR OLINA S T AT E PLANECOOR DINAT E S Y S T EM FIPS 3200 (NAD83/2011). AS H BAS IN W AS T E BOUNDAR Y DUKE ENER GY R OX BOR O S IT E BOUNDAR Y AS H BAS IN COMPLIANCE BOUNDAR Y HIGHES T CONCENT R AT ION AR EA CONT OUR IMAC CONT OUR TOTAL ANT IMONY CONCENT R AT ION (μg/L) APPR OX . BACKGR OUND CONT OUR NOT DET ECT ED ABOV E R EPOR T ING LIMITND 1 INT ER MEDIAT E CONTOUR LEGEND W AT ER S UPPLY W ELL &< &< &< &< BACKGR OUND MONITOR ING W ELL DOW NGR ADIENT MONIT OR ING W ELL S IDEGR ADIENT MONIT OR ING W ELL UPGR ADIENT MONIT OR ING W ELL LANDFILL AR EA <S T R EAM <<<<<<<<<<<&< &< &<&< &< &< &<&< &< &< &< &< &< &<&< &< &<&<&< &< &<&< &< &< &< &< &< &< &< &< &< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &<&< &< &< &< &< &< &< &< &< &< &< &< HEATED WATERDISCHARGE POND HYCOLAKE GYPSUMSTORAGE AREA HYCOLAKE ROXBORO PLANT FGD PONDS BIO REACTOR SUBSTATION WAB EXTENSION IMPOUNDMENT COOLING WATER INTAKE BASIN EAB EXTENSION IMPOUNDMENTLCID LANDFILL INDUSTRIAL LANDFILL R O-3ND EAST ASH BASIN WEST ASHBASIN STAT E H W Y 5 7 SEMORA R D DUNNAWAY RD STATE RD 1336MCGHEES MILL RDBG-1BRLR2.14 MW-4BR1.07 ABMW -1BRND ABMW -2BRND ABMW -3BRNDABMW -3BR LND ABMW -4BRNDABMW -6BRND ABMW -7BRND ABMW -7BR LND BG-1BRND CW -1ND CW -2DND CW -3DND GMW -10ND GMW -11ND GMW -7ND GMW -8ND GMW -9ND GPMW -1BRND GPMW -2BRND GPMW -3BRND MW -10BRND MW -12BRND MW -13BRND MW -14BRND MW -15BRND MW -16BRND MW -17BRND MW -18BRND MW -19BR LND MW -1BRND MW -20BR LND MW -22BRND MW -23BR RND MW -24BRND MW -25BRND MW -26BRND MW -27BRND MW -28BRND MW -29BRND MW -2BRND MW -30BRND MW -31BRND MW -32BRND MW -33BRND MW -5BRND MW -6BRND MW -7BRND MW -8BRND MW -9BRND BG-2BRND MW -3BRND MW -11BRND R O-1ND R O-2ND R O-4ND R O-7ND R O-8ND R O-10-1 ND R O-11ND R O-12ND R O-13ND R O-15ND R O-16ND R O2056-R AW ND R O2040-R AW ND R O2040-R AW ND R O2031-R AW ND R O2014-R AW ND R O-1027 ND R O-1026ND R O-1025 NDR O-1024 ND R O-1010AND R O-1010ND R O-1004 ND R O-1005 ND R O-1000NDR O-10-2ND R O-1001ND R O-1003 ND R O-1011ND R O-1012 ND R O-1013ND R O-1015ND R O-1016 ND R O-1017ND R O-1018ND R O-1023 ND1 FIGURE 11-2ISOCONCENTRATION MAPANTIMONY IN BEDROCK GROUNDWATERROXBORO STEAM ELECTRIC PLANTDUKE ENERGY PROGRESS, LLCSEMORA, NORTH CAROLINADRAWN BY: J. ROBERTSPROJECT MANAGER: C. EADYCHECKED BY: C. EADY DATE: 10/28/2017 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BAS E DATA\R oxboro\Map_Docs\CS A_S upplem ent_2\IS OCON MAPS \ANT IMONY IN BED.m xd GRAPHIC SCALE07251,450 2,175 2,900362.5 Feet NOT ES : T HE INT ER IM MAX IMUM ALLOW ABLE CONCENT R AT ION (IMAC) FOR ANT IMONY IS 1 μg/L. PR OV IS IONAL BACKGR OUND T HR ES HOLD V ALUE IS S ET AT R EPOR T ING LIMIT OF 1 μg/L. DAS HED IS OCONCENT R AT ION CONT OUR S W HER E INFER R ED. NS = NOT S AMPLED * V ALUE CONS IDER ED AN ANOMALY † CONCENT R AT ION GR EAT ER T HAN CUR R ENT S IT E S PECIFIC BT V BUT W IT HIN T HEBACKGR OUND CONCENT R AT ION R ANGE FOR S IMILAR PIEDMONT GEOLOGIC S ET T INGS .DUE T O GR OUNDW AT ER FLOW DIR ECT ION AND OT HER CONS T IT UENT MIGR AT IONPAT T ER NS , CONCENT R AT ION DOES NOT S UGGES T IMPACT FR OM T HE AS H BAS IN. DATA MAY INCLUDE LAB-QUALIFIED R ES ULT S . R EFER T O ANALY T ICAL DATA TABLENOT ES FOR QUALIFIER DEFINIT IONS . CONCENT R AT IONS R EPOR T ED ON FIGUR E R EPR ES ENT MOS T R ECENT V ALID S AMPLER ES ULT S FOR EACH W ELL. DAT A W IT H HIGH T UR BIDIT Y (>10 NT U) OR R ES ULT S T HATINDICAT E GR OUT CONTAMINAT ION OF T HE W ELL (PH>9) HAV E BEEN R EMOV ED FR OMDATAS ET. COLLECT ION DAT ES DEPICT ED ON FIGUR E R ANGE FR OM MAR CH 2015 T OJULY 2017. PR OPER T Y BOUNDAR Y PR OV IDED BY DUKE ENER GY PR OGR ES S . AER IAL PHOT OGR APHY OBT AINED FR OM GOOGLE EAR T H PR O ON S EPT EMBER 27, 2017.AER IAL W AS COLLECT ED ON J UNE 13, 2016. DR AW ING HAS BEEN S ET W IT H A PR OJ ECT ION OF NOR T H CAR OLINA S T AT E PLANECOOR DINAT E S Y S T EM FIPS 3200 (NAD83/2011). AS H BAS IN W AS T E BOUNDAR Y DUKE ENER GY R OX BOR O S IT E BOUNDAR Y AS H BAS IN COMPLIANCE BOUNDAR Y HIGHES T CONCENT R AT ION AR EA CONT OUR IMAC CONT OUR TOTAL ANT IMONY CONCENT R AT ION (μg/L) APPR OX . BACKGR OUND CONT OUR NOT DET ECT ED ABOV E R EPOR T ING LIMITND 1 INT ER MEDIAT E CONTOUR LEGEND W AT ER S UPPLY W ELL &< &< &< &< BACKGR OUND MONITOR ING W ELL DOW NGR ADIENT MONIT OR ING W ELL S IDEGR ADIENT MONIT OR ING W ELL UPGR ADIENT MONIT OR ING W ELL LANDFILL AR EA <S T R EAM <<<<<<<<<<<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< HEATED WATERDISCHARGE POND HYCOLAKE GYPSUMSTORAGE AREA HYCOLAKE ROXBORO PLANT FGD PONDS BIO REACTOR SUBSTATION WAB EXTENSION IMPOUNDMENT COOLING WATER INTAKE BASIN EAB EXTENSION IMPOUNDMENT LCID LANDFILL INDUSTRIAL LANDFILL EAST ASH BASIN WEST ASHBASIN STATE H W Y 5 7 SEMORA R D DUNNAWAY RD STATE RD 1336MCGHEES MILL RDABMW-5D2580 CW-5252 GMW-62420 GPMW-1D961 GPMW-3D1530 MW-22D458 MW-5D747 GPMW-1S1590 BG-1ND CW -2ND CW -3ND CW -4ND GPMW -2DND MW -15DND MW -18DND MW -6DND 700 700FIGURE 11-3ISOCONCENTRATION MAPBORON IN TRANSITION ZONE GROUNDWATERROXBORO STEAM ELECTRIC PLANTDUKE ENERGY PROGRESS, LLCSEMORA, NORTH CAROLINADRAWN BY: J. ROBERTSPROJECT MANAGER: C. EADYCHECKED BY: C. EADY DATE: 10/28/2017 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BAS E DATA\R oxboro\Map_Docs\CS A_S upplement_2\IS OCON MAPS \BOR ON IN T Z.mxd GRAPHIC SCALE07251,450 2,175 2,900362.5 Feet NOT ES : T HE NOR T H CAR OLINA 2L FOR BOR ON IS 700 μg/L. PR OV IS IONAL BACKGR OUND T HR ES HOLD V ALUE IS S ET AT R EPOR T ING LIMIT OF 50 μg/L. DAS HED IS OCONCENT R AT ION CONT OUR S W HER E INFER R ED. NS = NOT S AMPLED * V ALUE CONS IDER ED AN ANOMALY † CONCENT R AT ION GR EAT ER T HAN CUR R ENT S IT E S PECIFIC BT V BUT W IT HIN T HEBACKGR OUND CONCENT R AT ION R ANGE FOR S IMILAR PIEDMONT GEOLOGIC S ET T INGS .DUE T O GR OUNDW AT ER FLOW DIR ECT ION AND OT HER CONS T IT UENT MIGR AT IONPAT T ER NS , CONCENT R AT ION DOES NOT S UGGES T IMPACT FR OM T HE AS H BAS IN. DATA MAY INCLUDE LAB-QUALIFIED R ES ULT S . R EFER T O ANALY T ICAL DATA TABLENOT ES FOR QUALIFIER DEFINIT IONS . CONCENT R AT IONS R EPOR T ED ON FIGUR E R EPR ES ENT MOS T R ECENT V ALID S AMPLER ES ULT S FOR EACH W ELL. DAT A W IT H HIGH T UR BIDIT Y (>10 NT U) OR R ES ULT S T HATINDICAT E GR OUT CONTAMINAT ION OF T HE W ELL (PH>9) HAV E BEEN R EMOV ED FR OMDATAS ET. COLLECT ION DAT ES DEPICT ED ON FIGUR E R ANGE FR OM MAR CH 2015 T OJULY 2017. PR OPER T Y BOUNDAR Y PR OV IDED BY DUKE ENER GY PR OGR ES S . AER IAL PHOT OGR APHY OBT AINED FR OM GOOGLE EAR T H PR O ON S EPT EMBER 27, 2017.AER IAL W AS COLLECT ED ON J UNE 13, 2016. DR AW ING HAS BEEN S ET W IT H A PR OJ ECT ION OF NOR T H CAR OLINA S T AT E PLANECOOR DINAT E S Y S T EM FIPS 3200 (NAD83/2011). AS H BAS IN W AS T E BOUNDAR Y DUKE ENER GY R OX BOR O S IT E BOUNDAR Y AS H BAS IN COMPLIANCE BOUNDAR Y HIGHES T CONCENT R AT ION AR EA CONT OUR NOR T H CAR OLINA 2L CONT OUR TOTAL BOR ON CONCENT R AT ION (μg/L) APPR OX . BACKGR OUND CONT OUR NOT DET ECT ED ABOV E R EPOR T ING LIMITND 1 INT ER MEDIAT E CONTOUR LEGEND W AT ER S UPPLY W ELL &< &< &< &< BACKGR OUND MONITOR ING W ELL DOW NGR ADIENT MONIT OR ING W ELL S IDEGR ADIENT MONIT OR ING W ELL UPGR ADIENT MONIT OR ING W ELL LANDFILL AR EA <S T R EAM <<<<<<<<<<<&< &< &<&< &<&< &<&< &< &< &< &< &< &<&< &< &<&<&< &< &< &< &< &< &< &< &< &< &< &< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &<&< &< &< &< &< &< &< &< &< &< &< &< HEATED WATERDISCHARGE POND HYCOLAKE GYPSUMSTORAGE AREA HYCOLAKE ROXBORO PLANT FGD PONDS BIO REACTOR SUBSTATION WAB EXTENSION IMPOUNDMENT COOLING WATER INTAKE BASIN EAB EXTENSION IMPOUNDMENT LCID LANDFILL INDUSTRIAL LANDFILL R O-3ND EASTASH BASIN WEST ASHBASIN STAT E H W Y 5 7 SEMORA R D DUNNAWAY RD STATE RD 1336MCGHEES MILL RDR O-1ND R O-2ND R O-4ND R O-7ND R O-8ND R O-10-1 ND R O-11ND R O-126.1 R O-13ND R O-15ND R O-16ND R O-1023 ND R O-1018 ND R O-1017 ND R O-1016ND R O-1015ND R O-1013ND R O-1012 ND R O-1011ND R O-1003 ND R O-1001 ND R O-1000ND R O-10-2ND R O-1005 ND R O-1004ND R O-1010ND R O-1010A ND R O-1024 ND R O-1025 ND R O-1026 ND R O-1027ND R O2014-R AW ND R O2031-R AW ND R O2040-R AW ND R O2040-R AW ND R O2056-R AW ND ABMW-1BR488 ABMW-3BR4650 ABMW-7BR1430 ABMW-7BRL93 BG-1BRLR101 GMW-1092 GMW-113380 GMW-71340 GMW-84830 GPMW-1BR1420 GPMW-2BR2360 GPMW-3BR294 MW-1BR1060MW-22BR558 MW-3BR3000 ABMW -2BRND ABMW -3BR LND ABMW -4BRND ABMW -6BRND BG-1BRND CW -1ND CW -2DND CW -3DND GMW -9ND MW -10BRND MW -12BRND MW -13BRND MW -14BRND MW -15BRND MW -16BRND MW -17BRND MW -18BRND MW -19BR LND MW -20BR LND MW -23BR RND MW -24BRND MW -25BRND MW -26BRND MW -27BRND MW -28BRND MW -29BRND MW -2BRND MW -30BRND MW -31BRND MW -32BRND MW -33BRND MW -4BRND MW -5BRND MW -6BRND MW -7BRND MW -8BRND MW -9BRND BG-2BRND MW -11BRND 50 700700FIGURE 11-4ISOCONCENTRATION MAPBORON IN BEDROCK GROUNDWATERROXBORO STEAM ELECTRIC PLANTDUKE ENERGY PROGRESS, LLCSEMORA, NORTH CAROLINADRAWN BY: J. ROBERTSPROJECT MANAGER: C. EADYCHECKED BY: C. EADY DATE: 10/28/2017 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BAS E DATA\R oxboro\Map_Docs\CS A_S upplem ent_2\IS OCON MAPS \BOR ON IN BED.m xd GRAPHIC SCALE07251,450 2,175 2,900362.5 Feet NOT ES : T HE NOR T H CAR OLINA 2L FOR BOR ON IS 700 μg/L. PR OV IS IONAL BACKGR OUND T HR ES HOLD V ALUE IS S ET AT R EPOR T ING LIMIT OF 50 μg/L. DAS HED IS OCONCENT R AT ION CONT OUR S W HER E INFER R ED. NS = NOT S AMPLED * V ALUE CONS IDER ED AN ANOMALY † CONCENT R AT ION GR EAT ER T HAN CUR R ENT S IT E S PECIFIC BT V BUT W IT HIN T HEBACKGR OUND CONCENT R AT ION R ANGE FOR S IMILAR PIEDMONT GEOLOGIC S ET T INGS .DUE T O GR OUNDW AT ER FLOW DIR ECT ION AND OT HER CONS T IT UENT MIGR AT IONPAT T ER NS , CONCENT R AT ION DOES NOT S UGGES T IMPACT FR OM T HE AS H BAS IN. DATA MAY INCLUDE LAB-QUALIFIED R ES ULT S . R EFER T O ANALY T ICAL DATA TABLENOT ES FOR QUALIFIER DEFINIT IONS . CONCENT R AT IONS R EPOR T ED ON FIGUR E R EPR ES ENT MOS T R ECENT V ALID S AMPLER ES ULT S FOR EACH W ELL. DAT A W IT H HIGH T UR BIDIT Y (>10 NT U) OR R ES ULT S T HATINDICAT E GR OUT CONTAMINAT ION OF T HE W ELL (PH>9) HAV E BEEN R EMOV ED FR OMDATAS ET. COLLECT ION DAT ES DEPICT ED ON FIGUR E R ANGE FR OM MAR CH 2015 T OJULY 2017. PR OPER T Y BOUNDAR Y PR OV IDED BY DUKE ENER GY PR OGR ES S . AER IAL PHOT OGR APHY OBT AINED FR OM GOOGLE EAR T H PR O ON S EPT EMBER 27, 2017.AER IAL W AS COLLECT ED ON J UNE 13, 2016. DR AW ING HAS BEEN S ET W IT H A PR OJ ECT ION OF NOR T H CAR OLINA S T AT E PLANECOOR DINAT E S Y S T EM FIPS 3200 (NAD83/2011). AS H BAS IN W AS T E BOUNDAR Y DUKE ENER GY R OX BOR O S IT E BOUNDAR Y AS H BAS IN COMPLIANCE BOUNDAR Y HIGHES T CONCENT R AT ION AR EA CONT OUR NOR T H CAR OLINA 2L CONT OUR TOTAL BOR ON CONCENT R AT ION (μg/L) APPR OX . BACKGR OUND CONT OUR NOT DET ECT ED ABOV E R EPOR T ING LIMITND 1 INT ER MEDIAT E CONTOUR LEGEND W AT ER S UPPLY W ELL &< &< &< &< BACKGR OUND MONITOR ING W ELL DOW NGR ADIENT MONIT OR ING W ELL S IDEGR ADIENT MONIT OR ING W ELL UPGR ADIENT MONIT OR ING W ELL LANDFILL AR EA <S T R EAM WEST ASHBASIN EAST ASH BASIN HEATED WATERDISCHARGE POND HYCOLAKE GYPSUMSTORAGE AREA HYCOLAKE ROXBORO PLANT FGD PONDS BIO REACTOR SUBSTATION COOLING WATER INTAKE CANAL WAB EXTENSION IMPOUNDMENT COOLING WATERINTAKE BASIN EAB EXTENSIONIMPOUNDMENT STAT E H W Y 5 7 SEMORA R D DUNNAWAY RD STATE RD 1336MCGHEES MILL RDBG-117 CW-21.12 GMW-60.527 MW-11D2.28 MW-11D2.55 GMW-61.75 MW-15D3.5 MW-18D8.35 ABMW-5D4.5 BG-16.9 CW-20.88 CW-40.29 CW-50.29 GMW-60.78 GPMW-1D0.03 MW-15D2.2 MW-18D2.5 MW-22D0.077 MW-5D0.86 MW-6D0.052 ABMW -5DND CW -2ND CW -3ND CW -4ND CW -5ND GMW -6ND GPMW -1DND GPMW -2DND GPMW -3DND MW -22DND MW -5DND MW -6DND GMW -1AND GMW -2ND CW -3ND GPMW -2DND GPMW -3DND &<&< &<&<&< &<&<&< &<&<&<&< &<&<&< &<&<&< &<&<&< &<&< &<&< &<&< &<&< &<&< &<&< &<&< &<&< &<&< &< &< &< &< &< &< FIGURE 11-5ISOCONCENTRATION MAPCHROMIUM AND CHROMIUM (VI) IN TRANSITIONZONE GROUNDWATERROXBORO STEAM ELECTRIC PLANTSEMORA, NORTH CAROLINADRAWN BY: J. ROBERTSPROJECT MANAGER: C. EADYCHECKED BY: C. EADY DATE: 10/28/2017 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BAS E DATA\R oxboro\Map_Docs\CS A_S upplement_2\IS OCON MAPS \CHR OME IN T Z.mxd GRAPHIC SCALE06501,300 1,950 2,600325 Feet T HE NOR T H CAR OLINA 2L FOR CHR OMIUM IS 10 μg/L. T R ANS IT ION ZONE BACKGR OUND T HR ES HOLD V ALUS E FOR T OT AL CHR OMIUM IS 26 μg/LAND CHR OME HEX AV ALENT IS 7. DAS HED IS OCONCENT R AT ION CONT OUR S W HER E INFER R ED. NS = NOT S AMPLED * V ALUE CONS IDER ED AN ANOMALY † CONCENT R AT ION GR EAT ER T HAN CUR R ENT S IT E S PECIFIC BT V BUT W IT HIN T HEBACKGR OUND CONCENT R AT ION R ANGE FOR S IMILAR PIEDMONT GEOLOGIC S ET T INGS .DUE T O GR OUNDW AT ER FLOW DIR ECT ION AND OT HER CONS T IT UENT MIGR AT IONPAT T ER NS , CONCENT R AT ION DOES NOT S UGGES T IMPACT FR OM T HE AS H BAS IN. DATA MAY INCLUDE LAB-QUALIFIED R ES ULT S . R EFER T O ANALY T ICAL DATA TABLE NOT ESFOR QUALIFIER DEFINIT IONS . CONCENT R AT IONS R EPOR T ED ON FIGUR E R EPR ES ENT MOS T R ECENT V ALID S AMPLER ES ULT S FOR EACH W ELL. DATA W IT H HIGH T UR BIDIT Y (>10 NT U) OR R ES ULT S T HATINDICAT E GR OUT CONT AMINAT ION OF T HE W ELL (PH>9) HAV E BEEN R EMOV ED FR OMDATAS ET. COLLECT ION DAT ES DEPICT ED ON FIGUR E R ANGE FR OM MAR CH 2015 T O JULY2017. PR OPER T Y BOUNDAR Y PR OV IDED BY DUKE ENER GY PR OGR ES S . AER IAL PHOT OGR APHY OBTAINED FR OM GOOGLE EAR T H PR O ON S EPT EMBER 27, 2017.AER IAL W AS COLLECT ED ON JUNE 13, 2016. DR AW ING HAS BEEN S ET W IT H A PR OJ ECT ION OF NOR T H CAR OLINA S T AT E PLANECOOR DINAT E S Y S T EM FIPS 3200 (NAD83/2011). LCID LANDFILL INDUSTRIAL LANDFILL LEGEND T OTAL CHR OMIUM CONCENT R AT ION (μg/L) 1 T OTAL CHR OMIUM NOT DET ECT ED ABOV ER EPOR T ING LIMIT ND CHR OMIUM (V I) CONCENT R AT ION (µg/L) 1 CHR OMIUM (V I) NOT DET ECT ED ABOV ER EPOR T ING LIMIT ND CHR OMIUM CONT OUR INT ER MEDIAT E CONT OUR NOR T H CAR OLINA 2L CONT OUR HIGHES T CONCENT R AT ION AR EA CONT OUR W AT ER S UPPLY W ELL &< &< &< &< BACKGR OUND MONITOR ING W ELL DOW NGR ADIENT MONIT OR ING W ELL S IDEGR ADIENT MONIT OR ING W ELL UPGR ADIENT MONIT OR ING W ELL LANDFILL AR EA AS H BAS IN BOUNDAR Y DUKE ENER GY R OX BOR O S IT E BOUNDAR Y AS H BAS IN COMPLIANCE BOUNDAR Y &<&< &<&< &<&<&<&< &<&< &<&< &<&<&<&< &<&< &<&< &<&< &<&< &<&< &<&<&<&< &<&< &<&<&<&<&<&< &<&< &<&<&<&< &<&< &<&< &< &<&< &<&< &<&< &<&< &<&< &<&< &<&<&<&< &<&< &<&< &<&< &<&< &<&< &<&< &<&< &<&< &<&< &<&< &<&< &<&< &<&<&<&< &<&< &<&< &<&< &<&< &<&< &<&< &<&< &<&< &<&< &<&< &< &< !. !. !. !. !. !.!. !. !. !. !. !. !. WEST ASHBASIN HEATED WATERDISCHARGE POND HYCOLAKE HYCOLAKE ROXBORO PLANT FGD PONDS BIO REACTOR SUBSTATION WAB EXTENSION IMPOUNDMENT EAB EXTENSION IMPOUNDMENT COOLING WATERINTAKE BASIN GYPSUMSTORAGE AREA R O-3ND EAST ASH BASIN LCID LANDFILL INDUSTRIAL LANDFILL STAT E H W Y 5 7 SEMORA R D DUNNAWAY RD STATE RD 1336MCGHEES MILL RDABMW-4BR10 BG-1BR4.44 BG-1BRLR2.48 GMW-81.55 MW-15BR1.07 MW-28BR2.08 MW-30BR2.64 MW-32BR7.48 MW-33BR2 MW-4BR1.49 MW-8BR3.77 BG-2BR2.8 ABMW-1BR0.86 ABMW-2BR0.76 ABMW-3BR0.24 ABMW-4BR1.7ABMW-6BR0.03 ABMW-7BR0.04 BG-1BR0.054 BG-1BRLR0.44 CW-10.03 CW-2D0.47 CW-3D0.13 GMW-100.17 GMW-110.24 GMW-70.27 GMW-80.064 GMW-90.22GMW-90.2 GPMW-2BR0.032 GPMW-2BR0.03 GPMW-3BR0.11 MW-10BR0.14 MW-14BR0.65 MW-15BR0.95 MW-16BR0.2 MW-17BR0.071 MW-18BR0.69 MW-19BRL0.67 MW-19BRL0.65 MW-1BR0.089 MW-24BR0.74MW-25BR0.68 MW-26BR0.57 MW-27BR0.032 MW-28BR0.061 MW-29BR0.038 MW-2BR1.2 MW-30BR0.73 MW-32BR0.033 MW-33BR1.4 MW-3BR0.04 MW-4BR0.047 MW-5BR0.027 MW-6BR0.07 MW-7BR0.28 MW-8BR0.62 ABMW -1BRND ABMW -2BRND ABMW -3BRND ABMW -3BR LND ABMW -6BRND ABMW -7BRND ABMW -7BR LND CW -1ND CW -2DND CW -3DND GMW -10ND GMW -11ND GMW -7ND GMW -9ND GPMW -1BRND GPMW -2BRND GPMW -3BRND MW -10BRND MW -12BRND MW -13BRND MW -14BRND MW -16BRND MW -17BRND MW -18BRND MW -19BR LND MW -1BRND MW -20BR LND MW -22BRND MW -23BR RND MW -24BRND MW -25BRND MW -26BRND MW -27BRND MW -29BRND MW -2BRND MW -31BRND MW -3BRND MW -5BRND MW -6BRND MW -7BRND MW -9BRND MW -11BRND ABMW -3BR LND ABMW -7BR LND GPMW -1BRND MW -13BRND MW -20BR LND MW -22BRND MW -23BR RND MW -31BRND MW -31BRND MW -9BRND BG-2BRND RO-42.7 RO-76.2 RO-111.7 RO-131.3 RO-151.3 RO-161.4 R O-1ND R O-2ND R O-8ND R O-10-1ND R O-10-2ND R O-12ND FIGURE 11-6ISOCONCENTRATION MAPCHROMIUM AND CHROMIUM (VI) IN BEDROCK GROUNDWATERROXBORO STEAM ELECTRIC PLANT SEMORA, NORTH CAROLINADRAWN BY: J. ROBERTSPROJECT MANAGER: C. EADYCHECKED BY: C. EADY DATE: 10/28/2017 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BAS E DATA\R oxboro\Map_Docs\CS A_S upplem ent_2\IS OCON MAPS \CHR OME IN BED.m xd GRAPHIC SCALE06501,300 1,950 2,600325 Feet T HE NOR T H CAR OLINA 2L FOR CHR OMIUM IS 10 μg/L. BACKGR OUND T HR ES HOLD V ALUS E FOR T OTAL CHR OMIUM IS 4 μg/L AND HEX AV ALENT(V I) CHR OMIUM IS 1. DAS HED IS OCONCENT R AT ION CONT OUR S W HER E INFER R ED. NS = NOT S AMPLED * V ALUE CONS IDER ED AN ANOMALY † CONCENT R AT ION GR EAT ER T HAN CUR R ENT S IT E S PECIFIC BT V BUT W IT HIN T HEBACKGR OUND CONCENT R AT ION R ANGE FOR S IMILAR PIEDMONT GEOLOGIC S ET T INGS .DUE T O GR OUNDW AT ER FLOW DIR ECT ION AND OT HER CONS T IT UENT MIGR AT IONPAT T ER NS , CONCENT R AT ION DOES NOT S UGGES T IMPACT FR OM T HE AS H BAS IN. DATA MAY INCLUDE LAB-QUALIFIED R ES ULT S . R EFER T O ANALY T ICAL DATA TABLE NOT ESFOR QUALIFIER DEFINIT IONS . CONCENT R AT IONS R EPOR T ED ON FIGUR E R EPR ES ENT MOS T R ECENT V ALID S AMPLER ES ULT S FOR EACH W ELL. DATA W IT H HIGH T UR BIDIT Y (>10 NT U) OR R ES ULT S T HATINDICAT E GR OUT CONT AMINAT ION OF T HE W ELL (PH>9) HAV E BEEN R EMOV ED FR OMDATAS ET. COLLECT ION DAT ES DEPICT ED ON FIGUR E R ANGE FR OM MAR CH 2015 T O JULY2017. PR OPER T Y BOUNDAR Y PR OV IDED BY DUKE ENER GY PR OGR ES S . AER IAL PHOT OGR APHY OBTAINED FR OM GOOGLE EAR T H PR O ON S EPT EMBER 27, 2017.AER IAL W AS COLLECT ED ON JUNE 13, 2016. DR AW ING HAS BEEN S ET W IT H A PR OJ ECT ION OF NOR T H CAR OLINA S T AT E PLANECOOR DINAT E S Y S T EM FIPS 3200 (NAD83/2011). LEGEND T OTAL CHR OMIUM CONCENT R AT ION (μg/L) 1 T OTAL CHR OMIUM NOT DET ECT ED ABOV ER EPOR T ING LIMIT ND CHR OMIUM (V I) CONCENT R AT ION (µg/L) 1 CHR OMIUM (V I) NOT DET ECT ED ABOV ER EPOR T ING LIMIT ND CHR OMIUM CONT OUR INT ER MEDIAT E CONT OUR NOR T H CAR OLINA 2L CONT OUR HIGHES T CONCENT R AT ION AR EA CONT OUR AS H BAS IN BOUNDAR Y DUKE ENER GY R OX BOR O S IT E BOUNDAR Y AS H BAS IN COMPLIANCE BOUNDAR Y LANDFILL AR EA W AT ER S UPPLY W ELL &< &< &< &< BACKGR OUND MONITOR ING W ELL DOW NGR ADIENT MONIT OR ING W ELL S IDEGR ADIENT MONIT OR ING W ELL UPGR ADIENT MONIT OR ING W ELL <<<<<<<<<<<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< HEATED WATERDISCHARGE POND HYCOLAKE GYPSUMSTORAGE AREA HYCOLAKE ROXBORO PLANT FGD PONDS BIO REACTOR SUBSTATION WAB EXTENSION IMPOUNDMENT COOLING WATER INTAKE BASIN EAB EXTENSION IMPOUNDMENT LCID LANDFILL INDUSTRIAL LANDFILL EAST ASH BASIN WEST ASHBASIN STAT E H W Y 5 7 SEMORA R D DUNNAWAY RD STATE RD 1336MCGHEES MILL RDGPMW-2D8.17 GPMW-3D9.69 MW-22D6.39 GPMW-1S9.59 ABMW -5DND BG-1ND CW -2ND CW -3ND CW -4ND CW -5ND GMW -6ND GPMW -1DND MW -15DND MW -18DND MW -5DND MW -6DND 1FIGURE 11-7ISOCONCENTRATION MAPCOBALT IN TRANSITION ZONE GROUNDWATERROXBORO STEAM ELECTRIC PLANTDUKE ENERGY PROGRESS, LLCSEMORA, NORTH CAROLINADRAWN BY: J. ROBERTSPROJECT MANAGER: C. EADYCHECKED BY: C. EADY DATE: 10/28/2017 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BAS E DATA\R oxboro\Map_Docs\CS A_S upplement_2\IS OCON MAPS \COBALT IN T Z.mxd GRAPHIC SCALE07251,450 2,175 2,900362.5 Feet NOT ES : T HE INT ER IM MAX IMUM ALLOW ABLE CONCENT R AT ION (IMAC) FOR COBALT IS 1 μg/L. PR OV IS IONAL BACKGR OUND T HR ES HOLD V ALUE IS S ET AT R EPOR T ING LIMIT OF 1 μg/L. DAS HED IS OCONCENT R AT ION CONT OUR S W HER E INFER R ED. NS = NOT S AMPLED * V ALUE CONS IDER ED AN ANOMALY † CONCENT R AT ION GR EAT ER T HAN CUR R ENT S IT E S PECIFIC BT V BUT W IT HIN T HEBACKGR OUND CONCENT R AT ION R ANGE FOR S IMILAR PIEDMONT GEOLOGIC S ET T INGS .DUE T O GR OUNDW AT ER FLOW DIR ECT ION AND OT HER CONS T IT UENT MIGR AT IONPAT T ER NS , CONCENT R AT ION DOES NOT S UGGES T IMPACT FR OM T HE AS H BAS IN. DATA MAY INCLUDE LAB-QUALIFIED R ES ULT S . R EFER T O ANALY T ICAL DATA TABLENOT ES FOR QUALIFIER DEFINIT IONS . CONCENT R AT IONS R EPOR T ED ON FIGUR E R EPR ES ENT MOS T R ECENT V ALID S AMPLER ES ULT S FOR EACH W ELL. DAT A W IT H HIGH T UR BIDIT Y (>10 NT U) OR R ES ULT S T HATINDICAT E GR OUT CONTAMINAT ION OF T HE W ELL (PH>9) HAV E BEEN R EMOV ED FR OMDATAS ET. COLLECT ION DAT ES DEPICT ED ON FIGUR E R ANGE FR OM MAR CH 2015 T OJULY 2017. PR OPER T Y BOUNDAR Y PR OV IDED BY DUKE ENER GY PR OGR ES S . AER IAL PHOT OGR APHY OBT AINED FR OM GOOGLE EAR T H PR O ON S EPT EMBER 27, 2017.AER IAL W AS COLLECT ED ON J UNE 13, 2016. DR AW ING HAS BEEN S ET W IT H A PR OJ ECT ION OF NOR T H CAR OLINA S T AT E PLANECOOR DINAT E S Y S T EM FIPS 3200 (NAD83/2011). AS H BAS IN W AS T E BOUNDAR Y DUKE ENER GY R OX BOR O S IT E BOUNDAR Y AS H BAS IN COMPLIANCE BOUNDAR Y HIGHES T CONCENT R AT ION AR EA CONT OUR IMAC CONT OUR TOTAL COBALT CONCENT R AT ION (μg/L) APPR OX . BACKGR OUND CONT OUR NOT DET ECT ED ABOV E R EPOR T ING LIMITND 1 INT ER MEDIAT E CONTOUR LEGEND W AT ER S UPPLY W ELL &< &< &< &< BACKGR OUND MONITOR ING W ELL DOW NGR ADIENT MONIT OR ING W ELL S IDEGR ADIENT MONIT OR ING W ELL UPGR ADIENT MONIT OR ING W ELL LANDFILL AR EA <S T R EAM <<<<<<<<<<<&< &< &<&< &< &< &<&< &< &< &< &< &< &<&< &< &<&<&< &< &<&< &< &< &< &< &< &< &< &< &< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &<&< &< &< &< &< &< &< &< &< &< &< &< HEATED WATERDISCHARGE POND HYCOLAKE GYPSUMSTORAGE AREA HYCOLAKE ROXBORO PLANT FGD PONDS BIO REACTOR SUBSTATION WAB EXTENSION IMPOUNDMENT COOLING WATER INTAKE BASIN EAB EXTENSION IMPOUNDMENT LCID LANDFILL INDUSTRIAL LANDFILL R O-3ND EAST ASH BASIN WEST ASHBASIN STAT E H W Y 5 7 SEMORA R D DUNNAWAY RD STATE RD 1336MCGHEES MILL RDABMW-3BR128 ABMW-4BR1.68 CW-11.56 GPMW-1BR1.05 MW-10BR19.9 MW-12BR1.38 MW-13BR2.74 MW-14BR2.25 MW-1BR1.45 MW-22BR7.88 MW-2BR2.92 MW-3BR1.86 MW-5BR2.45 ABMW -1BRND ABMW -2BRND ABMW -3BR LND ABMW -6BRND ABMW -7BRND ABMW -7BR LND BG-1BRND BG-1BR LRND CW -2DND CW -3DND GMW -10ND GMW -11ND GMW -7ND GMW -8ND GMW -9ND GPMW -2BRND GPMW -3BRND MW -15BRND MW -16BRND MW -17BRND MW -18BRND MW -19BR LND MW -20BR LND MW -23BR RND MW -24BRND MW -25BRND MW -26BRND MW -27BRND MW -28BRND MW -29BRND MW -30BRND MW -31BRND MW -32BRND MW -33BRND MW -4BRND MW -6BRND MW -7BRND MW -8BRND MW -9BRND BG-2BRND MW -11BRND R O-1ND R O-2ND R O-4ND R O-7ND R O-8ND R O-10-1 ND R O-11ND R O-12ND R O-13ND R O-15ND R O-16ND R O-1023 ND R O-1018 ND R O-1017 ND R O-1016ND R O-1013ND R O-1015ND R O-1011ND R O-1012 ND R O-1001ND R O-1000ND R O-10-2ND R O-1003 ND R O-1005ND R O-1004ND R O-10100.11 R O-1010A ND R O-1024 ND R O-1025 ND R O-1026ND R O-1027 ND R O2014-R AW 0.16 R O2031-R AW ND R O2040-R AW 0.66 R O2040-R AW 0.82 R O2056-R AW ND6.46.46.4FIGURE 11-8ISOCONCENTRATION MAPCOBALT IN BEDROCK GROUNDWATERROXBORO STEAM ELECTRIC PLANTDUKE ENERGY PROGRESS, LLCSEMORA, NORTH CAROLINADRAWN BY: J. ROBERTSPROJECT MANAGER: C. EADYCHECKED BY: C. EADY DATE: 10/28/2017 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BAS E DATA\R oxboro\Map_Docs\CS A_S upplem ent_2\IS OCON MAPS \COBALT IN BED.m xd GRAPHIC SCALE07251,450 2,175 2,900362.5 Feet NOT ES : T HE INT ER IM MAX IMUM ALLOW ABLE CONCENT R AT ION (IMAC) FOR COBALT IS 1 μg/L. PR OV IS IONAL BACKGR OUND T HR ES HOLD V ALUE IS 6.4 µg/L. DAS HED IS OCONCENT R AT ION CONT OUR S W HER E INFER R ED. NS = NOT S AMPLED * V ALUE CONS IDER ED AN ANOMALY † CONCENT R AT ION GR EAT ER T HAN CUR R ENT S IT E S PECIFIC BT V BUT W IT HIN T HEBACKGR OUND CONCENT R AT ION R ANGE FOR S IMILAR PIEDMONT GEOLOGIC S ET T INGS .DUE T O GR OUNDW AT ER FLOW DIR ECT ION AND OT HER CONS T IT UENT MIGR AT IONPAT T ER NS , CONCENT R AT ION DOES NOT S UGGES T IMPACT FR OM T HE AS H BAS IN. DATA MAY INCLUDE LAB-QUALIFIED R ES ULT S . R EFER T O ANALY T ICAL DATA TABLENOT ES FOR QUALIFIER DEFINIT IONS . CONCENT R AT IONS R EPOR T ED ON FIGUR E R EPR ES ENT MOS T R ECENT V ALID S AMPLER ES ULT S FOR EACH W ELL. DAT A W IT H HIGH T UR BIDIT Y (>10 NT U) OR R ES ULT S T HATINDICAT E GR OUT CONTAMINAT ION OF T HE W ELL (PH>9) HAV E BEEN R EMOV ED FR OMDATAS ET. COLLECT ION DAT ES DEPICT ED ON FIGUR E R ANGE FR OM MAR CH 2015 T OJULY 2017. PR OPER T Y BOUNDAR Y PR OV IDED BY DUKE ENER GY PR OGR ES S . AER IAL PHOT OGR APHY OBT AINED FR OM GOOGLE EAR T H PR O ON S EPT EMBER 27, 2017.AER IAL W AS COLLECT ED ON J UNE 13, 2016. DR AW ING HAS BEEN S ET W IT H A PR OJ ECT ION OF NOR T H CAR OLINA S T AT E PLANECOOR DINAT E S Y S T EM FIPS 3200 (NAD83/2011). AS H BAS IN W AS T E BOUNDAR Y DUKE ENER GY R OX BOR O S IT E BOUNDAR Y AS H BAS IN COMPLIANCE BOUNDAR Y HIGHES T CONCENT R AT ION AR EA CONT OUR IMAC CONT OUR TOTAL COBALT CONCENT R AT ION (μg/L) APPR OX . BACKGR OUND CONT OUR NOT DET ECT ED ABOV E R EPOR T ING LIMITND 1 INT ER MEDIAT E CONTOUR LEGEND W AT ER S UPPLY W ELL &< &< &< &< BACKGR OUND MONITOR ING W ELL DOW NGR ADIENT MONIT OR ING W ELL S IDEGR ADIENT MONIT OR ING W ELL UPGR ADIENT MONIT OR ING W ELL LANDFILL AR EA <S T R EAM <<<<<<<<<<<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< HEATED WATERDISCHARGE POND HYCOLAKE GYPSUMSTORAGE AREA HYCOLAKE ROXBORO PLANT FGD PONDS BIO REACTOR SUBSTATION WAB EXTENSION IMPOUNDMENT COOLING WATER INTAKE BASIN EAB EXTENSION IMPOUNDMENT LCID LANDFILL INDUSTRIAL LANDFILL EAST ASH BASIN WEST ASHBASIN STAT E H W Y 5 7 SEMORA R D DUNNAWAY RD STATE RD 1336MCGHEES MILL RDABMW-5D30200 BG-1202 CW-273 CW-31610 GMW-632 GPMW-1D16 GPMW-2D74100 GPMW-3D825 MW-15D16 MW-18D163 MW-22D42 MW-5D95 MW-6D13 CW-311 GPMW-1S65 CW -5ND CW -4ND 11731 1 7 3 1173 FIGURE 11-9ISOCONCENTRATION MAPIRON IN TRANSITION ZONE GROUNDWATERROXBORO STEAM ELECTRIC PLANTDUKE ENERGY PROGRESS, LLCSEMORA, NORTH CAROLINADRAWN BY: J. ROBERTSPROJECT MANAGER: C. EADYCHECKED BY: C. EADY DATE: 10/28/2017 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BAS E DATA\R oxboro\Map_Docs\CS A_S upplement_2\IS OCON MAPS \IR ON IN T Z.mxd GRAPHIC SCALE07251,450 2,175 2,900362.5 Feet NOT ES : T HE NOR T H CAR OLINA 2L FOR IR ON IS 300 μg/L. PR OV IS IONAL BACKGR OUND T HR ES HOLD V ALUE IS 1,173µg/L. DAS HED IS OCONCENT R AT ION CONT OUR S W HER E INFER R ED. NS = NOT S AMPLED * V ALUE CONS IDER ED AN ANOMALY † CONCENT R AT ION GR EAT ER T HAN CUR R ENT S IT E S PECIFIC BT V BUT W IT HIN T HEBACKGR OUND CONCENT R AT ION R ANGE FOR S IMILAR PIEDMONT GEOLOGIC S ET T INGS .DUE T O GR OUNDW AT ER FLOW DIR ECT ION AND OT HER CONS T IT UENT MIGR AT IONPAT T ER NS , CONCENT R AT ION DOES NOT S UGGES T IMPACT FR OM T HE AS H BAS IN. DATA MAY INCLUDE LAB-QUALIFIED R ES ULT S . R EFER T O ANALY T ICAL DATA TABLENOT ES FOR QUALIFIER DEFINIT IONS . CONCENT R AT IONS R EPOR T ED ON FIGUR E R EPR ES ENT MOS T R ECENT V ALID S AMPLER ES ULT S FOR EACH W ELL. DAT A W IT H HIGH T UR BIDIT Y (>10 NT U) OR R ES ULT S T HATINDICAT E GR OUT CONTAMINAT ION OF T HE W ELL (PH>9) HAV E BEEN R EMOV ED FR OMDATAS ET. COLLECT ION DAT ES DEPICT ED ON FIGUR E R ANGE FR OM MAR CH 2015 T OJULY 2017. PR OPER T Y BOUNDAR Y PR OV IDED BY DUKE ENER GY PR OGR ES S . AER IAL PHOT OGR APHY OBT AINED FR OM GOOGLE EAR T H PR O ON S EPT EMBER 27, 2017.AER IAL W AS COLLECT ED ON J UNE 13, 2016. DR AW ING HAS BEEN S ET W IT H A PR OJ ECT ION OF NOR T H CAR OLINA S T AT E PLANECOOR DINAT E S Y S T EM FIPS 3200 (NAD83/2011). AS H BAS IN W AS T E BOUNDAR Y DUKE ENER GY R OX BOR O S IT E BOUNDAR Y AS H BAS IN COMPLIANCE BOUNDAR Y HIGHES T CONCENT R AT ION AR EA CONT OUR NOR T H CAR OLINA 2L CONT OUR TOTAL IR ON CONCENT R AT ION (μg/L) APPR OX . BACKGR OUND CONT OUR NOT DET ECT ED ABOV E R EPOR T ING LIMITND 1 INT ER MEDIAT E CONTOUR LEGEND W AT ER S UPPLY W ELL &< &< &< &< BACKGR OUND MONITOR ING W ELL DOW NGR ADIENT MONIT OR ING W ELL S IDEGR ADIENT MONIT OR ING W ELL UPGR ADIENT MONIT OR ING W ELL LANDFILL AR EA <S T R EAM <<<<<<<<<<<&< &< &<&< &< &< &<&< &< &< &< &< &< &<&< &< &<&<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &<&< &< &< &< &< &< &< &< &< &< &< &< HEATED WATERDISCHARGE POND HYCOLAKE GYPSUMSTORAGE AREA HYCOLAKE ROXBORO PLANT FGD PONDS BIO REACTOR SUBSTATION WAB EXTENSION IMPOUNDMENT COOLING WATER INTAKE BASIN EAB EXTENSION IMPOUNDMENT LCID LANDFILL INDUSTRIAL LANDFILL EAST ASH BASIN WEST ASHBASIN STAT E H W Y 5 7 SEMORA R D DUNNAWAY RD STATE RD 1336MCGHEES MILL RDABMW-1BR1580 ABMW-2BR750 ABMW-3BR5540 ABMW-3BRL822 ABMW-4BR9400 ABMW-6BR129 ABMW-7BR168 ABMW-7BRL243 BG-1BR117 BG-1BRLR259 CW-1162 CW-3D45 GMW-1018 GMW-1162 GMW-712 GMW-885 GMW-923GMW-917 GPMW-1BR194 GPMW-2BR79 MW-12BR3300 MW-13BR493 MW-14BR1230 MW-15BR806 MW-16BR46 MW-17BR332 MW-18BR1200 MW-19BRL4520 MW-1BR172 MW-20BRL169 MW-22BR1400 MW-23BRR388 MW-25BR1340 MW-26BR1280 MW-27BR104 MW-28BR119 MW-29BR43 MW-2BR24500 MW-30BR1260 MW-31BR67 MW-31BR108 MW-32BR180 MW-33BR32 MW-4BR113 MW-5BR725 MW-6BR419 MW-7BR136 MW-8BR2360 MW-9BR274 BG-2BR116 MW-3BR45 MW-11BR24 CW -2DND GPMW -3BRND MW -10BRND MW -24BRND R O-1ND R O-2ND R O-4228 R O-753.8 R O-8ND R O-10-1 290 R O-10-2ND R O-11ND R O-121100 R O-13ND R O-15ND R O-16ND R O-1027 177 R O-1026 104 R O-102561.4 R O-1024 ND R O2056-R AW 930 R O2040-R AW 269 R O2040-R AW 55.4 R O2031-R AW 54 R O2014-R AW158 R O-1010A 80 R O-1010ND R O-1004565 R O-1005 ND R O-1003 ND R O-1001ND R O-1000ND R O-1012 232 R O-101197.9 R O-1015576 R O-10131400 R O-1016ND R O-1017ND R O-1023 ND R O-1018ND R O-03ND422742274227 FIGURE 11-10ISOCONCENTRATION MAPIRON IN BEDROCK GROUNDWATERROXBORO STEAM ELECTRIC PLANTDUKE ENERGY PROGRESS, LLCSEMORA, NORTH CAROLINADRAWN BY: J. ROBERTSPROJECT MANAGER: C. EADYCHECKED BY: C. EADY DATE: 10/28/2017 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BAS E DATA\R oxboro\Map_Docs\CS A_S upplem ent_2\IS OCON MAPS \IR ON IN BED.m xd GRAPHIC SCALE07251,450 2,175 2,900362.5 Feet NOT ES : T HE NOR T H CAR OLINA 2L FOR IR ON IS 300 μg/L. PR OV IS IONAL BACKGR OUND T HR ES HOLD V ALUE IS 4,227 µg/L. DAS HED IS OCONCENT R AT ION CONT OUR S W HER E INFER R ED. NS = NOT S AMPLED * V ALUE CONS IDER ED AN ANOMALY † CONCENT R AT ION GR EAT ER T HAN CUR R ENT S IT E S PECIFIC BT V BUT W IT HIN T HEBACKGR OUND CONCENT R AT ION R ANGE FOR S IMILAR PIEDMONT GEOLOGIC S ET T INGS .DUE T O GR OUNDW AT ER FLOW DIR ECT ION AND OT HER CONS T IT UENT MIGR AT IONPAT T ER NS , CONCENT R AT ION DOES NOT S UGGES T IMPACT FR OM T HE AS H BAS IN. DATA MAY INCLUDE LAB-QUALIFIED R ES ULT S . R EFER T O ANALY T ICAL DATA TABLENOT ES FOR QUALIFIER DEFINIT IONS . CONCENT R AT IONS R EPOR T ED ON FIGUR E R EPR ES ENT MOS T R ECENT V ALID S AMPLER ES ULT S FOR EACH W ELL. DAT A W IT H HIGH T UR BIDIT Y (>10 NT U) OR R ES ULT S T HATINDICAT E GR OUT CONTAMINAT ION OF T HE W ELL (PH>9) HAV E BEEN R EMOV ED FR OMDATAS ET. COLLECT ION DAT ES DEPICT ED ON FIGUR E R ANGE FR OM MAR CH 2015 T OJULY 2017. PR OPER T Y BOUNDAR Y PR OV IDED BY DUKE ENER GY PR OGR ES S . AER IAL PHOT OGR APHY OBT AINED FR OM GOOGLE EAR T H PR O ON S EPT EMBER 27, 2017.AER IAL W AS COLLECT ED ON J UNE 13, 2016. DR AW ING HAS BEEN S ET W IT H A PR OJ ECT ION OF NOR T H CAR OLINA S T AT E PLANECOOR DINAT E S Y S T EM FIPS 3200 (NAD83/2011). AS H BAS IN W AS T E BOUNDAR Y DUKE ENER GY R OX BOR O S IT E BOUNDAR Y AS H BAS IN COMPLIANCE BOUNDAR Y HIGHES T CONCENT R AT ION AR EA CONT OUR NOR T H CAR OLINA 2L CONT OUR TOTAL IR ON CONCENT R AT ION (μg/L) APPR OX . BACKGR OUND CONT OUR NOT DET ECT ED ABOV E R EPOR T ING LIMITND 1 INT ER MEDIAT E CONTOUR LEGEND W AT ER S UPPLY W ELL &< &< &< &< BACKGR OUND MONITOR ING W ELL DOW NGR ADIENT MONIT OR ING W ELL S IDEGR ADIENT MONIT OR ING W ELL UPGR ADIENT MONIT OR ING W ELL LANDFILL AR EA <S T R EAM <<<<<<<<<<<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< HEATED WATERDISCHARGE POND HYCOLAKE GYPSUMSTORAGE AREA HYCOLAKE ROXBORO PLANT FGD PONDS BIO REACTOR SUBSTATION WAB EXTENSION IMPOUNDMENT COOLING WATER INTAKE BASIN EAB EXTENSION IMPOUNDMENT LCID LANDFILL INDUSTRIAL LANDFILL EAST ASH BASIN WEST ASHBASIN STAT E H W Y 5 7 SEMORA R D DUNNAWAY RD STATE RD 1336MCGHEES MILL RD405405 ABMW-5D5990 CW-37 GPMW-1D55 GPMW-2D5670 GPMW-3D1730 MW-18D196 MW-22D2160 MW-5D22 GPMW-1S3960 BG-1ND CW -2ND CW -4ND CW -5ND GMW -6ND MW -15DND MW -6DND CW -3ND FIGURE 11-11 ISOCONCENTRATION MAP MANGANESE IN TRANSITION ZONE GROUNDWATERROXBORO STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC SEMORA, NORTH CAROLINADRAWN BY: J. ROBERTSPROJECT MANAGER: C. EADYCHECKED BY: C. EADY DATE: 10/28/2017 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BAS E DATA\R oxboro\Map_Docs\CS A_S upplement_2\IS OCON MAPS \MANGANES E IN T Z.mxd GRAPHIC SCALE07251,450 2,175 2,900362.5 Feet NOT ES : T HE NOR T H CAR OLINA 2L FOR MANGANES E IS 50 μg/L. PR OV IS IONAL BACKGR OUND T HR ES HOLD V ALUE IS 405 µg/L. DAS HED IS OCONCENT R AT ION CONT OUR S W HER E INFER R ED. NS = NOT S AMPLED * V ALUE CONS IDER ED AN ANOMALY † CONCENT R AT ION GR EAT ER T HAN CUR R ENT S IT E S PECIFIC BT V BUT W IT HIN T HEBACKGR OUND CONCENT R AT ION R ANGE FOR S IMILAR PIEDMONT GEOLOGIC S ET T INGS .DUE T O GR OUNDW AT ER FLOW DIR ECT ION AND OT HER CONS T IT UENT MIGR AT IONPAT T ER NS , CONCENT R AT ION DOES NOT S UGGES T IMPACT FR OM T HE AS H BAS IN. DATA MAY INCLUDE LAB-QUALIFIED R ES ULT S . R EFER T O ANALY T ICAL DATA TABLENOT ES FOR QUALIFIER DEFINIT IONS . CONCENT R AT IONS R EPOR T ED ON FIGUR E R EPR ES ENT MOS T R ECENT V ALID S AMPLER ES ULT S FOR EACH W ELL. DAT A W IT H HIGH T UR BIDIT Y (>10 NT U) OR R ES ULT S T HATINDICAT E GR OUT CONTAMINAT ION OF T HE W ELL (PH>9) HAV E BEEN R EMOV ED FR OMDATAS ET. COLLECT ION DAT ES DEPICT ED ON FIGUR E R ANGE FR OM MAR CH 2015 T OJULY 2017. PR OPER T Y BOUNDAR Y PR OV IDED BY DUKE ENER GY PR OGR ES S . AER IAL PHOT OGR APHY OBT AINED FR OM GOOGLE EAR T H PR O ON S EPT EMBER 27, 2017.AER IAL W AS COLLECT ED ON J UNE 13, 2016. DR AW ING HAS BEEN S ET W IT H A PR OJ ECT ION OF NOR T H CAR OLINA S T AT E PLANECOOR DINAT E S Y S T EM FIPS 3200 (NAD83/2011). AS H BAS IN W AS T E BOUNDAR Y DUKE ENER GY R OX BOR O S IT E BOUNDAR Y AS H BAS IN COMPLIANCE BOUNDAR Y HIGHES T CONCENT R AT ION AR EA CONT OUR NOR T H CAR OLINA 2L CONT OUR TOTAL MANGANES E CONCENT R AT ION (μg/L) APPR OX . BACKGR OUND CONT OUR NOT DET ECT ED ABOV E R EPOR T ING LIMITND 1 INT ER MEDIAT E CONTOUR LEGEND W AT ER S UPPLY W ELL &< &< &< &< BACKGR OUND MONITOR ING W ELL DOW NGR ADIENT MONIT OR ING W ELL S IDEGR ADIENT MONIT OR ING W ELL UPGR ADIENT MONIT OR ING W ELL LANDFILL AR EA <S T R EAM <<<<<<<<<<<&< &< &<&< &< &< &<&< &< &< &< &< &< &<&< &< &<&<&< &< &< &< &< &< &< &< &< &< &< &< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &<&< &< &< &< &< &< &< &< &< &< &< &< HEATED WATERDISCHARGE POND HYCOLAKE GYPSUMSTORAGE AREA HYCOLAKE ROXBORO PLANT FGD PONDS BIO REACTOR SUBSTATION WAB EXTENSION IMPOUNDMENT COOLING WATER INTAKE BASIN EAB EXTENSION IMPOUNDMENT LCID LANDFILL INDUSTRIAL LANDFILL R O-3ND EAST ASH BASIN WEST ASHBASIN STAT E H W Y 5 7 SEMORA R D DUNNAWAY RD STATE RD 1336MCGHEES MILL RDR O-18.29 R O-2ND R O-4144 R O-729.4 R O-81.6 R O-10-11100 R O-10-2 ND R O-111.5 R O-12494 R O-133.7 R O-150.62 R O-160.98 R O2040-R AW1900 R O2056-R AW 10.2 R O2040-R AW 792 R O2031-R AW 12.9 R O2014-R AW 96.7 R O-102766.5 R O-102612.7 R O-1025 1.2 R O-1024 ND R O-10109.2 R O-10050.78 R O-1004121 R O-1003 3.8 R O-10-2369 R O-10-2ND R O-1000 4 R O-100112.4 R O-1011 1.5 R O-1012 5.6 R O-1010A 0.82 R O-10159.2 R O-101368R O-1016 3.4 R O-101710 R O-10184.1 R O-102390.3 ABMW-1BR966 ABMW-2BR1450 ABMW-3BR13900 ABMW-3BRL180 ABMW-4BR2420 ABMW-6BR930 ABMW-7BR531 ABMW-7BRL71 BG-1BR390 BG-1BRLR252 CW-1100 CW-3D24 GMW-875 GPMW-1BR176 GPMW-2BR319 GPMW-3BR35 MW-10BR352 MW-12BR1050 MW-13BR189 MW-14BR291 MW-15BR49 MW-16BR69 MW-17BR285 MW-18BR937 MW-19BRL1040 MW-19BRL1030 MW-1BR660 MW-20BRL346 MW-22BR2030 MW-23BRR68 MW-25BR588 MW-26BR564 MW-27BR241 MW-28BR163 MW-29BR67 MW-2BR1590 MW-30BR1110 MW-31BR532 MW-31BR534 MW-32BR95 MW-33BR6 MW-4BR35 MW-5BR376 MW-6BR84 MW-7BR128 MW-8BR795 MW-9BR108 BG-2BR167 MW-3BR19 MW-11BR52CW -2DND GMW -10ND GMW -11ND GMW -7ND GMW -9ND MW -24BRND 1198 11981198 FIGURE 11-12ISOCONCENTRATION MAPMANGANESE IN BEDROCK GROUNDWATERROXBORO STEAM ELECTRIC PLANTDUKE ENERGY PROGRESS, LLCSEMORA, NORTH CAROLINADRAWN BY: J. ROBERTSPROJECT MANAGER: C. EADYCHECKED BY: C. EADY DATE: 10/28/2017 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BAS E DATA\R oxboro\Map_Docs\CS A_S upplem ent_2\IS OCON MAPS \MANGANES E IN BED.m xd GRAPHIC SCALE07251,450 2,175 2,900362.5 Feet NOT ES : T HE NOR T H CAR OLINA 2L FOR MANGANES E IS 50 μg/L. PR OV IS IONAL BACKGR OUIND T HR ES HOLD V ALUE IS 1198 µg/L. DAS HED IS OCONCENT R AT ION CONT OUR S W HER E INFER R ED. NS = NOT S AMPLED * V ALUE CONS IDER ED AN ANOMALY † CONCENT R AT ION GR EAT ER T HAN CUR R ENT S IT E S PECIFIC BT V BUT W IT HIN T HEBACKGR OUND CONCENT R AT ION R ANGE FOR S IMILAR PIEDMONT GEOLOGIC S ET T INGS .DUE T O GR OUNDW AT ER FLOW DIR ECT ION AND OT HER CONS T IT UENT MIGR AT IONPAT T ER NS , CONCENT R AT ION DOES NOT S UGGES T IMPACT FR OM T HE AS H BAS IN. DATA MAY INCLUDE LAB-QUALIFIED R ES ULT S . R EFER T O ANALY T ICAL DATA TABLENOT ES FOR QUALIFIER DEFINIT IONS . CONCENT R AT IONS R EPOR T ED ON FIGUR E R EPR ES ENT MOS T R ECENT V ALID S AMPLER ES ULT S FOR EACH W ELL. DAT A W IT H HIGH T UR BIDIT Y (>10 NT U) OR R ES ULT S T HATINDICAT E GR OUT CONTAMINAT ION OF T HE W ELL (PH>9) HAV E BEEN R EMOV ED FR OMDATAS ET. COLLECT ION DAT ES DEPICT ED ON FIGUR E R ANGE FR OM MAR CH 2015 T OJULY 2017. PR OPER T Y BOUNDAR Y PR OV IDED BY DUKE ENER GY PR OGR ES S . AER IAL PHOT OGR APHY OBT AINED FR OM GOOGLE EAR T H PR O ON S EPT EMBER 27, 2017.AER IAL W AS COLLECT ED ON J UNE 13, 2016. DR AW ING HAS BEEN S ET W IT H A PR OJ ECT ION OF NOR T H CAR OLINA S T AT E PLANECOOR DINAT E S Y S T EM FIPS 3200 (NAD83/2011). AS H BAS IN W AS T E BOUNDAR Y DUKE ENER GY R OX BOR O S IT E BOUNDAR Y AS H BAS IN COMPLIANCE BOUNDAR Y HIGHES T CONCENT R AT ION AR EA CONT OUR NOR T H CAR OLINA 2L CONT OUR TOTAL MANGANES E CONCENT R AT ION (μg/L) APPR OX . BACKGR OUND CONT OUR NOT DET ECT ED ABOV E R EPOR T ING LIMITND 1 INT ER MEDIAT E CONTOUR LEGEND W AT ER S UPPLY W ELL &< &< &< &< BACKGR OUND MONITOR ING W ELL DOW NGR ADIENT MONIT OR ING W ELL S IDEGR ADIENT MONIT OR ING W ELL UPGR ADIENT MONIT OR ING W ELL LANDFILL AR EA <S T R EAM <<<<<<<<<<<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< HEATED WATERDISCHARGE POND HYCOLAKE GYPSUMSTORAGE AREA HYCOLAKE ROXBORO PLANT FGD PONDS BIO REACTOR SUBSTATION WAB EXTENSION IMPOUNDMENT COOLING WATER INTAKE BASIN EAB EXTENSION IMPOUNDMENT LCID LANDFILL INDUSTRIAL LANDFILL EAST ASH BASIN WEST ASHBASIN STAT E H W Y 5 7 SEMORA R D DUNNAWAY RD STATE RD 1336MCGHEES MILL RDABMW-5D23.4 CW-46.63 GPMW-2D1.71 MW-18D3.39 MW-5D6.18 GPMW-1S2.44 BG-1ND CW -2ND CW -3ND CW -5ND GMW -6ND GPMW -1DND GPMW -3DND MW -15DND MW -22DND MW -6DND 4.174.174.17 FIGURE 11-13ISOCONCENTRATION MAPMOLYBDENUM IN TRANSITION ZONEGROUNDWATERROXBORO STEAM ELECTRIC PLANTDUKE ENERGY PROGRESS, LLCDRAWN BY: J. ROBERTSPROJECT MANAGER: C. EADYCHECKED BY: C. EADY DATE: 10/28/2017 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BAS E DATA\R oxboro\Map_Docs\CS A_S upplement_2\IS OCON MAPS \MOLY BDENUM IN T Z.mxd GRAPHIC SCALE07251,450 2,175 2,900362.5 Feet NOT ES : NO NOR T H CAR OLINA 2L OR INT ER IM MAX IMUM ALLOW ABLE CONCENT R AT IONES T ABLIS HED FOR MOLY BDENUM. PR OV IS IONAL BACKGR OUND T HR ES HOLD V ALUE IS 4.17 µg/L. DAS HED IS OCONCENT R AT ION CONT OUR S W HER E INFER R ED. NS = NOT S AMPLED * V ALUE CONS IDER ED AN ANOMALY † CONCENT R AT ION GR EAT ER T HAN CUR R ENT S IT E S PECIFIC BT V BUT W IT HIN T HEBACKGR OUND CONCENT R AT ION R ANGE FOR S IMILAR PIEDMONT GEOLOGIC S ET T INGS .DUE T O GR OUNDW AT ER FLOW DIR ECT ION AND OT HER CONS T IT UENT MIGR AT IONPAT T ER NS , CONCENT R AT ION DOES NOT S UGGES T IMPACT FR OM T HE AS H BAS IN. DATA MAY INCLUDE LAB-QUALIFIED R ES ULT S . R EFER T O ANALY T ICAL DATA TABLENOT ES FOR QUALIFIER DEFINIT IONS . CONCENT R AT IONS R EPOR T ED ON FIGUR E R EPR ES ENT MOS T R ECENT V ALID S AMPLER ES ULT S FOR EACH W ELL. DAT A W IT H HIGH T UR BIDIT Y (>10 NT U) OR R ES ULT S T HATINDICAT E GR OUT CONTAMINAT ION OF T HE W ELL (PH>9) HAV E BEEN R EMOV ED FR OMDATAS ET. COLLECT ION DAT ES DEPICT ED ON FIGUR E R ANGE FR OM MAR CH 2015 T OJULY 2017. PR OPER T Y BOUNDAR Y PR OV IDED BY DUKE ENER GY PR OGR ES S . AER IAL PHOT OGR APHY OBT AINED FR OM GOOGLE EAR T H PR O ON S EPT EMBER 27, 2017.AER IAL W AS COLLECT ED ON J UNE 13, 2016. DR AW ING HAS BEEN S ET W IT H A PR OJ ECT ION OF NOR T H CAR OLINA S T AT E PLANECOOR DINAT E S Y S T EM FIPS 3200 (NAD83/2011). AS H BAS IN W AS T E BOUNDAR Y DUKE ENER GY R OX BOR O S IT E BOUNDAR Y AS H BAS IN COMPLIANCE BOUNDAR Y HIGHES T CONCENT R AT ION AR EA CONT OUR NOR T H CAR OLINA 2L CONT OUR TOTAL MOLY BDENUM CONCENT R AT ION (μg/L) APPR OX . BACKGR OUND CONT OUR NOT DET ECT ED ABOV E R EPOR T ING LIMITND 1 INT ER MEDIAT E CONTOUR LEGEND W AT ER S UPPLY W ELL &< &< &< &< BACKGR OUND MONITOR ING W ELL DOW NGR ADIENT MONIT OR ING W ELL S IDEGR ADIENT MONIT OR ING W ELL UPGR ADIENT MONIT OR ING W ELL LANDFILL AR EA <S T R EAM <<<<<<<<<<<&< &< &<&< &< &< &<&< &< &< &< &< &< &<&< &< &<&<&< &< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &<&< &< &< &< &< &< &< &< &< &< &< &< HEATED WATERDISCHARGE POND HYCOLAKE GYPSUMSTORAGE AREA HYCOLAKE ROXBORO PLANT FGD PONDS BIO REACTOR SUBSTATION WAB EXTENSION IMPOUNDMENT COOLING WATER INTAKE BASIN EAB EXTENSION IMPOUNDMENT LCID LANDFILL INDUSTRIAL LANDFILL R O-32.5 EAST ASH BASIN WEST ASHBASIN STAT E H W Y 5 7 SEMORA R D DUNNAWAY RD STATE RD 1336MCGHEES MILL RDABMW-1BR2.48 ABMW-2BR10.7 ABMW-3BRL2.06 ABMW-4BR4.29 ABMW-6BR2.11 ABMW-7BR1.66 ABMW-7BRL7.9 BG-1BR4.79 BG-1BRLR71.1 CW-3D3.84 GMW-103.9 GMW-111.17 GMW-83.22 GPMW-3BR2.67 MW-10BR14.1 MW-12BR1.49 MW-13BR1.51 MW-14BR1.42 MW-15BR6.05 MW-16BR3.13 MW-17BR7 MW-18BR4.32 MW-19BRL7.37 MW-20BRL1.28 MW-22BR8.86 MW-23BRR3.08 MW-24BR4.93 MW-25BR1.49 MW-26BR8.49 MW-27BR1.78 MW-28BR9.82 MW-29BR1.82 MW-30BR6.11 MW-31BR1.16 MW-31BR1.26 MW-32BR4.66 MW-33BR11.4 MW-4BR7.71 MW-5BR1.23 MW-6BR3.36 MW-7BR1.51 MW-8BR2.57 MW-9BR1.68 BG-2BR4.36 MW-11BR1.43 MW -1BRND ABMW -3BRND CW -1ND CW -2DND GMW -7ND GMW -9ND GPMW -1BRND GPMW -2BRND MW -2BRND MW -3BRND R O-1ND R O-2ND R O-4ND R O-7ND R O-80.74 R O-10-1 ND R O-112 R O-125.9 R O-13ND R O-154.2 R O-16ND R O2040-R AW 11.1 R O2056-R AW ND R O2040-R AW 3 R O2031-R AW ND R O2014-R AWND R O-1027 4.1 R O-1026ND R O-1025 ND R O-1024 ND R O-1010ND R O-1005 ND R O-1004 ND R O-1003 1.6 R O-10-2 ND R O-1000ND R O-1001ND R O-1011ND R O-1012 ND R O-1010A 0.98 R O-1015ND R O-1013ND R O-1016 ND R O-1017 ND R O-10180.75 R O-1023 1.135.2FIGURE 11-14ISOCONCENTRATION MAPMOLYBDENUM IN BEDROCK GROUNDWATERROXBORO STEAM ELECTRIC PLANTDUKE ENERGY PROGRESS, LLCSEMORA, NORTH CAROLINADRAWN BY: J. ROBERTSPROJECT MANAGER: C. EADYCHECKED BY: C. EADY DATE: 10/28/2017 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BAS E DATA\R oxboro\Map_Docs\CS A_S upplem ent_2\IS OCON MAPS \MOLY BDENUM IN BED.m xd GRAPHIC SCALE07251,450 2,175 2,900362.5 Feet NOT ES : NO NOR T H CAR OLINA 2L OR INT ER IM MAX IMUM ALLOW ABLE CONCENT R AT IONES T ABLIS HED FOR MOLY BDENUM. PR OV IS IONAL BACKGR OUIND T HR ES HOLD V ALUE IS 35.2 µg/L. DAS HED IS OCONCENT R AT ION CONT OUR S W HER E INFER R ED. NS = NOT S AMPLED * V ALUE CONS IDER ED AN ANOMALY † CONCENT R AT ION GR EAT ER T HAN CUR R ENT S IT E S PECIFIC BT V BUT W IT HIN T HEBACKGR OUND CONCENT R AT ION R ANGE FOR S IMILAR PIEDMONT GEOLOGIC S ET T INGS .DUE T O GR OUNDW AT ER FLOW DIR ECT ION AND OT HER CONS T IT UENT MIGR AT IONPAT T ER NS , CONCENT R AT ION DOES NOT S UGGES T IMPACT FR OM T HE AS H BAS IN. DATA MAY INCLUDE LAB-QUALIFIED R ES ULT S . R EFER T O ANALY T ICAL DATA TABLENOT ES FOR QUALIFIER DEFINIT IONS . CONCENT R AT IONS R EPOR T ED ON FIGUR E R EPR ES ENT MOS T R ECENT V ALID S AMPLER ES ULT S FOR EACH W ELL. DAT A W IT H HIGH T UR BIDIT Y (>10 NT U) OR R ES ULT S T HATINDICAT E GR OUT CONTAMINAT ION OF T HE W ELL (PH>9) HAV E BEEN R EMOV ED FR OMDATAS ET. COLLECT ION DAT ES DEPICT ED ON FIGUR E R ANGE FR OM MAR CH 2015 T OJULY 2017. PR OPER T Y BOUNDAR Y PR OV IDED BY DUKE ENER GY PR OGR ES S . AER IAL PHOT OGR APHY OBT AINED FR OM GOOGLE EAR T H PR O ON S EPT EMBER 27, 2017.AER IAL W AS COLLECT ED ON J UNE 13, 2016. DR AW ING HAS BEEN S ET W IT H A PR OJ ECT ION OF NOR T H CAR OLINA S T AT E PLANECOOR DINAT E S Y S T EM FIPS 3200 (NAD83/2011). AS H BAS IN W AS T E BOUNDAR Y DUKE ENER GY R OX BOR O S IT E BOUNDAR Y AS H BAS IN COMPLIANCE BOUNDAR Y HIGHES T CONCENT R AT ION AR EA CONT OUR NOR T H CAR OLINA 2L CONT OUR TOTAL MOLY BDENUM CONCENT R AT ION (μg/L) APPR OX . BACKGR OUND CONT OUR NOT DET ECT ED ABOV E R EPOR T ING LIMITND 1 INT ER MEDIAT E CONTOUR LEGEND W AT ER S UPPLY W ELL &< &< &< &< BACKGR OUND MONITOR ING W ELL DOW NGR ADIENT MONIT OR ING W ELL S IDEGR ADIENT MONIT OR ING W ELL UPGR ADIENT MONIT OR ING W ELL LANDFILL AR EA <S T R EAM <<<<<<<<<<<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< HEATED WATERDISCHARGE POND HYCOLAKE GYPSUMSTORAGE AREA HYCOLAKE ROXBORO PLANT FGD PONDS BIO REACTOR SUBSTATION WAB EXTENSION IMPOUNDMENT COOLING WATER INTAKE BASIN EAB EXTENSION IMPOUNDMENT LCID LANDFILL INDUSTRIAL LANDFILL EAST ASH BASIN WEST ASHBASIN STAT E H W Y 5 7 SEMORA R D DUNNAWAY RD STATE RD 1336MCGHEES MILL RDABMW-5D7.5 BG-16.5 CW-27 CW-36.2 CW-46.9 CW-56.8 GMW-66.6 GPMW-1D6.7 GPMW-2D6.7 GPMW-3D6.1 MW-15D6.6 MW-18D7 MW-22D5.4 MW-5D6.9 MW-6D6.5 CW-36.6 GPMW-1S6.3 FIGURE 11-15ISOCONCENTRATION MAPpH IN TRANSITION ZONE GROUNDWATERROXBORO STEAM ELECTRIC PLANTDUKE ENERGY PROGRESS, LLCSEMORA, NORTH CAROLINADRAWN BY: J. ROBERTSPROJECT MANAGER: C. EADYCHECKED BY: C. EADY DATE: 10/28/2017 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BAS E DATA\R oxboro\Map_Docs\CS A_S upplement_2\IS OCON MAPS \PH IN T Z.mxd GRAPHIC SCALE07251,450 2,175 2,900362.5 Feet NOT ES : T HE NOR T H CAR OLINA 2L R ANGE FOR pH IS 6.5 T O 8.5 S .U. PR OV IS IONAL BACKGR OUND T HR ES HOLD V ALUE IS 6.3-7.6 S .U. DAS HED IS OCONCENT R AT ION CONT OUR S W HER E INFER R ED. NS = NOT S AMPLED * V ALUE CONS IDER ED AN ANOMALY † CONCENT R AT ION GR EAT ER T HAN CUR R ENT S IT E S PECIFIC BT V BUT W IT HIN T HEBACKGR OUND CONCENT R AT ION R ANGE FOR S IMILAR PIEDMONT GEOLOGIC S ET T INGS .DUE T O GR OUNDW AT ER FLOW DIR ECT ION AND OT HER CONS T IT UENT MIGR AT IONPAT T ER NS , CONCENT R AT ION DOES NOT S UGGES T IMPACT FR OM T HE AS H BAS IN. DATA MAY INCLUDE LAB-QUALIFIED R ES ULT S . R EFER T O ANALY T ICAL DATA TABLENOT ES FOR QUALIFIER DEFINIT IONS . CONCENT R AT IONS R EPOR T ED ON FIGUR E R EPR ES ENT MOS T R ECENT V ALID S AMPLER ES ULT S FOR EACH W ELL. DAT A W IT H HIGH T UR BIDIT Y (>10 NT U) OR R ES ULT S T HATINDICAT E GR OUT CONTAMINAT ION OF T HE W ELL (PH>9) HAV E BEEN R EMOV ED FR OMDATAS ET. COLLECT ION DAT ES DEPICT ED ON FIGUR E R ANGE FR OM MAR CH 2015 T OJULY 2017. PR OPER T Y BOUNDAR Y PR OV IDED BY DUKE ENER GY PR OGR ES S . AER IAL PHOT OGR APHY OBT AINED FR OM GOOGLE EAR T H PR O ON S EPT EMBER 27, 2017.AER IAL W AS COLLECT ED ON J UNE 13, 2016. DR AW ING HAS BEEN S ET W IT H A PR OJ ECT ION OF NOR T H CAR OLINA S T AT E PLANECOOR DINAT E S Y S T EM FIPS 3200 (NAD83/2011). AS H BAS IN W AS T E BOUNDAR Y DUKE ENER GY R OX BOR O S IT E BOUNDAR Y AS H BAS IN COMPLIANCE BOUNDAR Y HIGHES T CONCENT R AT ION AR EA CONT OUR NOR T H CAR OLINA 2L CONT OUR TOTAL pH CONCENT R AT ION (µg/L) APPR OX . BACKGR OUND CONT OUR NOT DET ECT ED ABOV E R EPOR T ING LIMITND 1 INT ER MEDIAT E CONTOUR LEGEND W AT ER S UPPLY W ELL &< &< &< &< BACKGR OUND MONITOR ING W ELL DOW NGR ADIENT MONIT OR ING W ELL S IDEGR ADIENT MONIT OR ING W ELL UPGR ADIENT MONIT OR ING W ELL LANDFILL AR EA <S T R EAM <<<<<<<<<<<&< &< &<&< &< &< &<&< &< &< &< &< &< &<&< &< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< HEATED WATERDISCHARGE POND HYCOLAKE GYPSUMSTORAGE AREA HYCOLAKE ROXBORO PLANT FGD PONDS BIO REACTOR SUBSTATION WAB EXTENSION IMPOUNDMENT COOLING WATER INTAKE BASIN EAB EXTENSION IMPOUNDMENT LCID LANDFILL INDUSTRIAL LANDFILL R O-36.3 EAST ASH BASIN WEST ASHBASIN STAT E H W Y 5 7 SEMORA R D DUNNAWAY RD STATE RD 1336MCGHEES MILL RDABMW-1BR7 ABMW-2BR7.9 ABMW-3BR5.5ABMW-3BRL7.2 ABMW-4BR6.8 ABMW-6BR6.9 ABMW-7BR7.2 ABMW-7BRL7.6 BG-1BR6.9 BG-1BRLR8.2 CW-16.3 CW-2D6.8 CW-3D7.5 GMW-106 GMW-116.5 GMW-76.8 GMW-86.5 GMW-96.2 GPMW-1BR6.8 GPMW-2BR6.6 GPMW-3BR7.4 MW-10BR7 MW-12BR7.2 MW-13BR6.2 MW-14BR7.2 MW-15BR7.3 MW-16BR7.2 MW-17BR7.3 MW-18BR7.9 MW-19BRL7.4 MW-1BR6.7 MW-20BRL7.6 MW-22BR6.5 MW-23BRR7 MW-24BR7.8 MW-25BR7.1 MW-26BR7.3 MW-27BR7.3 MW-28BR7.4 MW-29BR7.3 MW-2BR6.6 MW-30BR6.9 MW-31BR7 MW-32BR7.6 MW-33BRNA MW-4BR7.8 MW-5BR7.6 MW-6BR7.6 MW-7BR7.3 MW-8BR7.3 MW-9BR6.6 BG-2BR7.5 MW-3BR6.5 MW-11BR6.8 R O-16.91 R O-26.63 R O-46.77 R O-76.18 R O-86.69 R O-10-1 7.1 R O-116.4 R O-126.82 R O-135.9 R O-157 R O-166.1 R O-1018 6.4 R O-1023 6.8 R O-1017 6.3 R O-10165.8 R O-10155.9 R O-10136.1 R O-10116 R O-1012 5.9 R O-1010A 6.5 R O-1000 5.1 R O-1001 6.3 R O-10-26.65 R O-1004 6.2 R O-1003 6.4 R O-10055.8 R O-10105.9 R O2014-R AW6.7 R O2031-R AW 6 R O2040-R AW 6.2 R O2056-R AW 6.2 R O-1024 6 R O-1025 6.4 R O-1026 5.7 R O-1027 7.3 FIGURE 11-16ISOCONCENTRATION MAPpH IN BEDROCK GROUNDWATERROXBORO STEAM ELECTRIC PLANTDUKE ENERGY PROGRESS, LLCSEMORA, NORTH CAROLINADRAWN BY: J. ROBERTSPROJECT MANAGER: C. EADYCHECKED BY: C. EADY DATE: 10/28/2017 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BAS E DATA\R oxboro\Map_Docs\CS A_S upplem ent_2\IS OCON MAPS \PH IN BED.m xd GRAPHIC SCALE07251,450 2,175 2,900362.5 Feet NOT ES : T HE NOR T H CAR OLINA 2L R ANGE FOR pH IS 6.5 T O 8.5 S .U. PR OV IS IONAL BACKGR OUND T HR ES HOLD V ALUE IS 6.8-8.3 S .U. DAS HED IS OCONCENT R AT ION CONT OUR S W HER E INFER R ED. NS = NOT S AMPLED * V ALUE CONS IDER ED AN ANOMALY † CONCENT R AT ION GR EAT ER T HAN CUR R ENT S IT E S PECIFIC BT V BUT W IT HIN T HEBACKGR OUND CONCENT R AT ION R ANGE FOR S IMILAR PIEDMONT GEOLOGIC S ET T INGS .DUE T O GR OUNDW AT ER FLOW DIR ECT ION AND OT HER CONS T IT UENT MIGR AT IONPAT T ER NS , CONCENT R AT ION DOES NOT S UGGES T IMPACT FR OM T HE AS H BAS IN. DATA MAY INCLUDE LAB-QUALIFIED R ES ULT S . R EFER T O ANALY T ICAL DATA TABLENOT ES FOR QUALIFIER DEFINIT IONS . CONCENT R AT IONS R EPOR T ED ON FIGUR E R EPR ES ENT MOS T R ECENT V ALID S AMPLER ES ULT S FOR EACH W ELL. DAT A W IT H HIGH T UR BIDIT Y (>10 NT U) OR R ES ULT S T HATINDICAT E GR OUT CONTAMINAT ION OF T HE W ELL (PH>9) HAV E BEEN R EMOV ED FR OMDATAS ET. COLLECT ION DAT ES DEPICT ED ON FIGUR E R ANGE FR OM MAR CH 2015 T OJULY 2017. PR OPER T Y BOUNDAR Y PR OV IDED BY DUKE ENER GY PR OGR ES S . AER IAL PHOT OGR APHY OBT AINED FR OM GOOGLE EAR T H PR O ON S EPT EMBER 27, 2017.AER IAL W AS COLLECT ED ON J UNE 13, 2016. DR AW ING HAS BEEN S ET W IT H A PR OJ ECT ION OF NOR T H CAR OLINA S T AT E PLANECOOR DINAT E S Y S T EM FIPS 3200 (NAD83/2011). AS H BAS IN W AS T E BOUNDAR Y DUKE ENER GY R OX BOR O S IT E BOUNDAR Y AS H BAS IN COMPLIANCE BOUNDAR Y HIGHES T CONCENT R AT ION AR EA CONT OUR NOR T H CAR OLINA 2L CONT OUR TOTAL pH CONCENT R AT ION (µg/L) APPR OX . BACKGR OUND CONT OUR NOT DET ECT ED ABOV E R EPOR T ING LIMITND 1 INT ER MEDIAT E CONTOUR LEGEND W AT ER S UPPLY W ELL &< &< &< &< BACKGR OUND MONITOR ING W ELL DOW NGR ADIENT MONIT OR ING W ELL S IDEGR ADIENT MONIT OR ING W ELL UPGR ADIENT MONIT OR ING W ELL LANDFILL AR EA <S T R EAM <<<<<<<<<<<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< HEATED WATERDISCHARGE POND HYCOLAKE GYPSUMSTORAGE AREA HYCOLAKE ROXBORO PLANT FGD PONDS BIO REACTOR SUBSTATION WAB EXTENSION IMPOUNDMENT COOLING WATER INTAKE BASIN EAB EXTENSION IMPOUNDMENT LCID LANDFILL INDUSTRIAL LANDFILL EAST ASH BASIN WEST ASHBASIN STAT E H W Y 5 7 SEMORA R D DUNNAWAY RD STATE RD 1336MCGHEES MILL RD20GMW-672.9 GPMW-1D3.88 GPMW-3D29.5 MW-22D92.9ABMW -5DND BG-1ND CW -2ND CW -3ND CW -4ND CW -5ND GPMW -2DND MW -15DND MW -18DND MW -5DND MW -6DND GPMW -1SND FIGURE 11-17ISOCONCENTRATION MAPSELENIUM IN TRANSITION ZONE GROUNDWATERROXBORO STEAM ELECTRIC PLANTDUKE ENERGY PROGRESS, LLCSEMORA, NORTH CAROLINADRAWN BY: J. ROBERTSPROJECT MANAGER: C. EADYCHECKED BY: C. EADY DATE: 10/28/2017 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BAS E DATA\R oxboro\Map_Docs\CS A_S upplement_2\IS OCON MAPS \S ELENIUM IN T Z.mxd GRAPHIC SCALE07251,450 2,175 2,900362.5 Feet NOT ES : T HE NOR T H CAR OLINA 2L FOR S ELENIUM IS 20 μg/L. PR OV IS IONAL BACKGR OUND T HR ES HOLD V ALUE IS 1.78 (µg/L) DAS HED IS OCONCENT R AT ION CONT OUR S W HER E INFER R ED. NS = NOT S AMPLED * V ALUE CONS IDER ED AN ANOMALY † CONCENT R AT ION GR EAT ER T HAN CUR R ENT S IT E S PECIFIC BT V BUT W IT HIN T HEBACKGR OUND CONCENT R AT ION R ANGE FOR S IMILAR PIEDMONT GEOLOGIC S ET T INGS .DUE T O GR OUNDW AT ER FLOW DIR ECT ION AND OT HER CONS T IT UENT MIGR AT IONPAT T ER NS , CONCENT R AT ION DOES NOT S UGGES T IMPACT FR OM T HE AS H BAS IN. DATA MAY INCLUDE LAB-QUALIFIED R ES ULT S . R EFER T O ANALY T ICAL DATA TABLENOT ES FOR QUALIFIER DEFINIT IONS . CONCENT R AT IONS R EPOR T ED ON FIGUR E R EPR ES ENT MOS T R ECENT V ALID S AMPLER ES ULT S FOR EACH W ELL. DAT A W IT H HIGH T UR BIDIT Y (>10 NT U) OR R ES ULT S T HATINDICAT E GR OUT CONTAMINAT ION OF T HE W ELL (PH>9) HAV E BEEN R EMOV ED FR OMDATAS ET. COLLECT ION DAT ES DEPICT ED ON FIGUR E R ANGE FR OM MAR CH 2015 T OJULY 2017. PR OPER T Y BOUNDAR Y PR OV IDED BY DUKE ENER GY PR OGR ES S . AER IAL PHOT OGR APHY OBT AINED FR OM GOOGLE EAR T H PR O ON S EPT EMBER 27, 2017.AER IAL W AS COLLECT ED ON J UNE 13, 2016. DR AW ING HAS BEEN S ET W IT H A PR OJ ECT ION OF NOR T H CAR OLINA S T AT E PLANECOOR DINAT E S Y S T EM FIPS 3200 (NAD83/2011). AS H BAS IN W AS T E BOUNDAR Y DUKE ENER GY R OX BOR O S IT E BOUNDAR Y AS H BAS IN COMPLIANCE BOUNDAR Y HIGHES T CONCENT R AT ION AR EA CONT OUR NOR T H CAR OLINA 2L CONT OUR TOTAL S ELENIUM CONCENT R AT ION (µg/L) APPR OX . BACKGR OUND CONT OUR NOT DET ECT ED ABOV E R EPOR T ING LIMITND 1 INT ER MEDIAT E CONTOUR LEGEND W AT ER S UPPLY W ELL &< &< &< &< BACKGR OUND MONITOR ING W ELL DOW NGR ADIENT MONIT OR ING W ELL S IDEGR ADIENT MONIT OR ING W ELL UPGR ADIENT MONIT OR ING W ELL LANDFILL AR EA <S T R EAM <<<<<<<<<<<&< &< &<&< &< &< &<&< &< &< &< &< &< &<&< &< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &<&< &< &< &< &< &< &< &< &< &< &< &< HEATED WATERDISCHARGE POND HYCOLAKE GYPSUMSTORAGE AREA HYCOLAKE ROXBORO PLANT FGD PONDS BIO REACTOR SUBSTATION WAB EXTENSION IMPOUNDMENT COOLING WATER INTAKE BASIN EAB EXTENSION IMPOUNDMENT LCID LANDFILL INDUSTRIAL LANDFILL R O-3ND EAST ASH BASIN WEST ASHBASIN STAT E H W Y 5 7 SEMORA R D DUNNAWAY RD STATE RD 1336MCGHEES MILL RDR O-12.4 R O-2ND R O-4ND R O-7ND R O-8ND R O-10-1 ND R O-11ND R O-12ND R O-13ND R O-15ND R O-16ND R O-1023 ND R O-1018 ND R O-1017 ND R O-1016ND R O-1012 ND R O-1013ND R O-1015ND R O-1010A ND R O-1011ND R O-1001 ND R O-1000ND R O-10-2ND R O-1003 ND R O-1004ND R O-1005ND R O-1010ND R O2056-R AW ND R O-1024 ND R O-1025 ND R O-1026 ND R O-1027ND R O2014-R AW ND R O2031-R AW ND R O2040-R AW 1.3 R O2040-R AW ND BG-1BRLR3.99 CW-11.77 GMW-11108 GMW-78.36 GPMW-1BR1.22 GPMW-2BR1.25 MW-1BR3.07 MW-3BR3.3 MW -17BRND BG-2BR ND ABMW -1BRND ABMW -2BRND ABMW -3BRNDABMW -3BR LND ABMW -4BRND ABMW -6BRND ABMW -7BRND ABMW -7BR LND BG-1BRND CW -2DND CW -3DND GMW -10ND GMW -8ND GMW -9ND GPMW -3BRND MW -10BRND MW -12BRND MW -13BRND MW -14BRND MW -15BRND MW -16BRND MW -18BRND MW -19BR LND MW -20BR LND MW -22BRND MW -23BR RND MW -24BRND MW -25BRND MW -26BRND MW -27BRND MW -28BRND MW -29BRND MW -2BRND MW -30BRND MW -31BRND MW -32BRND MW -33BRND MW -4BRND MW -5BRND MW -6BRND MW -7BRND MW -8BRND MW -9BRND MW -11BRND 1 20 FIGURE 11-18ISOCONCENTRATION MAPSELENIUM IN BEDROCK GROUNDWATERROXBORO STEAM ELECTRIC PLANTDUKE ENERGY PROGRESS, LLCSEMORA, NORTH CAROLINADRAWN BY: J. ROBERTSPROJECT MANAGER: C. EADYCHECKED BY: C. EADY DATE: 10/28/2017 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BAS E DATA\R oxboro\Map_Docs\CS A_S upplem ent_2\IS OCON MAPS \S ELENIUM IN BED.m xd GRAPHIC SCALE07251,450 2,175 2,900362.5 Feet NOT ES : T HE NOR T H CAR OLINA 2L FOR S ELENIUM IS 20 μg/L. PR OV IS IONAL BACKGR OUND T HR ES HOLD V ALUE IS 1 (µg/L) DAS HED IS OCONCENT R AT ION CONT OUR S W HER E INFER R ED. NS = NOT S AMPLED * V ALUE CONS IDER ED AN ANOMALY † CONCENT R AT ION GR EAT ER T HAN CUR R ENT S IT E S PECIFIC BT V BUT W IT HIN T HEBACKGR OUND CONCENT R AT ION R ANGE FOR S IMILAR PIEDMONT GEOLOGIC S ET T INGS .DUE T O GR OUNDW AT ER FLOW DIR ECT ION AND OT HER CONS T IT UENT MIGR AT IONPAT T ER NS , CONCENT R AT ION DOES NOT S UGGES T IMPACT FR OM T HE AS H BAS IN. DATA MAY INCLUDE LAB-QUALIFIED R ES ULT S . R EFER T O ANALY T ICAL DATA TABLENOT ES FOR QUALIFIER DEFINIT IONS . CONCENT R AT IONS R EPOR T ED ON FIGUR E R EPR ES ENT MOS T R ECENT V ALID S AMPLER ES ULT S FOR EACH W ELL. DAT A W IT H HIGH T UR BIDIT Y (>10 NT U) OR R ES ULT S T HATINDICAT E GR OUT CONTAMINAT ION OF T HE W ELL (PH>9) HAV E BEEN R EMOV ED FR OMDATAS ET. COLLECT ION DAT ES DEPICT ED ON FIGUR E R ANGE FR OM MAR CH 2015 T OJULY 2017. PR OPER T Y BOUNDAR Y PR OV IDED BY DUKE ENER GY PR OGR ES S . AER IAL PHOT OGR APHY OBT AINED FR OM GOOGLE EAR T H PR O ON S EPT EMBER 27, 2017.AER IAL W AS COLLECT ED ON J UNE 13, 2016. DR AW ING HAS BEEN S ET W IT H A PR OJ ECT ION OF NOR T H CAR OLINA S T AT E PLANECOOR DINAT E S Y S T EM FIPS 3200 (NAD83/2011). AS H BAS IN W AS T E BOUNDAR Y DUKE ENER GY R OX BOR O S IT E BOUNDAR Y AS H BAS IN COMPLIANCE BOUNDAR Y HIGHES T CONCENT R AT ION AR EA CONT OUR NOR T H CAR OLINA 2L CONT OUR TOTAL S ELENIUM CONCENT R AT ION (µg/L) APPR OX . BACKGR OUND CONT OUR NOT DET ECT ED ABOV E R EPOR T ING LIMITND 1 INT ER MEDIAT E CONTOUR LEGEND W AT ER S UPPLY W ELL &< &< &< &< BACKGR OUND MONITOR ING W ELL DOW NGR ADIENT MONIT OR ING W ELL S IDEGR ADIENT MONIT OR ING W ELL UPGR ADIENT MONIT OR ING W ELL LANDFILL AR EA <S T R EAM <<<<<<<<<<<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< HEATED WATERDISCHARGE POND HYCOLAKE GYPSUMSTORAGE AREA HYCOLAKE ROXBORO PLANT FGD PONDS BIO REACTOR SUBSTATION WAB EXTENSION IMPOUNDMENT COOLING WATER INTAKE BASIN EAB EXTENSION IMPOUNDMENT LCID LANDFILL INDUSTRIAL LANDFILL EAST ASH BASIN WEST ASHBASIN STAT E H W Y 5 7 SEMORA R D DUNNAWAY RD STATE RD 1336MCGHEES MILL RDABMW-5D419 BG-1448 CW-2367 CW-3205 CW-4199 CW-5306 GMW-6999 GPMW-1D1470 GPMW-2D872 GPMW-3D1680 MW-15D239 MW-18D665 MW-22D1230 MW-5D379 MW-6D189 GPMW-1S2280 760FIGURE 11-19ISOCONCENTRATION MAPSTRONTIUM IN TRANSITION ZONE GROUNDWATERROXBORO STEAM ELECTRIC PLANTDUKE ENERGY PROGRESS, LLCSEMORA, NORTH CAROLINADRAWN BY: J. ROBERTSPROJECT MANAGER: C. EADYCHECKED BY: C. EADY DATE: 10/28/2017 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BAS E DATA\R oxboro\Map_Docs\CS A_S upplement_2\IS OCON MAPS \S T R ONT IUM IN T Z.mxd GRAPHIC SCALE07251,450 2,175 2,900362.5 Feet NOT ES : NO NOR T H CAR OLINA 2L OR INT ER IM MAX IMUM ALLOW ABLE CONCENT R AT IONES T ABLIS HED FOR S T R ONT IUM. PR OV IS IONAL BACKGR OUND T HR ES HOLD V ALUE IS 760 μg/L. DAS HED IS OCONCENT R AT ION CONT OUR S W HER E INFER R ED. NS = NOT S AMPLED * V ALUE CONS IDER ED AN ANOMALY † CONCENT R AT ION GR EAT ER T HAN CUR R ENT S IT E S PECIFIC BT V BUT W IT HIN T HEBACKGR OUND CONCENT R AT ION R ANGE FOR S IMILAR PIEDMONT GEOLOGIC S ET T INGS .DUE T O GR OUNDW AT ER FLOW DIR ECT ION AND OT HER CONS T IT UENT MIGR AT IONPAT T ER NS , CONCENT R AT ION DOES NOT S UGGES T IMPACT FR OM T HE AS H BAS IN. DATA MAY INCLUDE LAB-QUALIFIED R ES ULT S . R EFER T O ANALY T ICAL DATA TABLENOT ES FOR QUALIFIER DEFINIT IONS . CONCENT R AT IONS R EPOR T ED ON FIGUR E R EPR ES ENT MOS T R ECENT V ALID S AMPLER ES ULT S FOR EACH W ELL. DAT A W IT H HIGH T UR BIDIT Y (>10 NT U) OR R ES ULT S T HATINDICAT E GR OUT CONTAMINAT ION OF T HE W ELL (PH>9) HAV E BEEN R EMOV ED FR OMDATAS ET. COLLECT ION DAT ES DEPICT ED ON FIGUR E R ANGE FR OM MAR CH 2015 T OJULY 2017. PR OPER T Y BOUNDAR Y PR OV IDED BY DUKE ENER GY PR OGR ES S . AER IAL PHOT OGR APHY OBT AINED FR OM GOOGLE EAR T H PR O ON S EPT EMBER 27, 2017.AER IAL W AS COLLECT ED ON J UNE 13, 2016. DR AW ING HAS BEEN S ET W IT H A PR OJ ECT ION OF NOR T H CAR OLINA S T AT E PLANECOOR DINAT E S Y S T EM FIPS 3200 (NAD83/2011). AS H BAS IN W AS T E BOUNDAR Y DUKE ENER GY R OX BOR O S IT E BOUNDAR Y AS H BAS IN COMPLIANCE BOUNDAR Y HIGHES T CONCENT R AT ION AR EA CONT OUR NOR T H CAR OLINA 2L CONT OUR TOTAL S T R ONT IUM CONCENT R AT ION (µg/L) APPR OX . BACKGR OUND CONT OUR NOT DET ECT ED ABOV E R EPOR T ING LIMITND 1 INT ER MEDIAT E CONTOUR LEGEND W AT ER S UPPLY W ELL &< &< &< &< BACKGR OUND MONITOR ING W ELL DOW NGR ADIENT MONIT OR ING W ELL S IDEGR ADIENT MONIT OR ING W ELL UPGR ADIENT MONIT OR ING W ELL LANDFILL AR EA <S T R EAM <<<<<<<<<<<&< &< &<&< &< &< &<&< &< &< &< &< &< &<&< &< &<&<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< HEATED WATERDISCHARGE POND HYCOLAKE GYPSUMSTORAGE AREA HYCOLAKE ROXBORO PLANT FGD PONDS BIO REACTOR SUBSTATION WAB EXTENSION IMPOUNDMENT COOLING WATER INTAKE BASIN EAB EXTENSION IMPOUNDMENT LCID LANDFILL INDUSTRIAL LANDFILL EAST ASH BASIN WEST ASHBASIN STAT E H W Y 5 7 SEMORA R D DUNNAWAY RD STATE RD 1336MCGHEES MILL RDABMW-1BR178 ABMW-2BR568 ABMW-3BR1860 ABMW-3BRL818 ABMW-4BR190 ABMW-6BR208 ABMW-7BR236 ABMW-7BRL734 BG-1BR179 BG-1BRLR819 CW-1367 CW-2D327 CW-3D271 GMW-10127 GMW-11482 GMW-7589 GMW-81060 GMW-984 GMW-986 GPMW-1BR1130 GPMW-2BR1300 GPMW-3BR869 MW-10BR169 MW-12BR223 MW-13BR424 MW-14BR164 MW-15BR136 MW-16BR172 MW-17BR892 MW-18BR249 MW-19BRL228 MW-1BR508 MW-20BRL184 MW-22BR574 MW-23BRR170 MW-25BR1860 MW-26BR261 MW-27BR253 MW-28BR278 MW-29BR147 MW-2BR607 MW-30BR288 MW-31BR316 MW-32BR602 MW-33BR590 MW-4BR272 MW-5BR319 MW-6BR157 MW-7BR132 MW-8BR222 MW-9BR165 BG-2BR268 MW-3BR1390 MW-11BR189 MW -24BRND R O-1390 R O-2ND R O-4260 R O-7268 R O-8255 R O-10-1 570 R O-11236 R O-12326 R O-13166 R O-15190 R O-16121 R O-102377.9 R O-1018 149 R O-1017226 R O-101683.6 R O-1015248 R O-1012 109 R O-1013110 R O-1010A180 R O-1011 214 R O-1001 119 R O-1000 167 R O-10-2277 R O-1003 101 R O-1004176 R O-1005163 R O-1010135 R O2056-R AW 68.4 R O-102493.3 R O-1025 139 R O-102696.7 R O-1027 118 R O2014-R AW 274 R O2031-R AW 114 R O2040-R AW 614 R O2040-R AW 358 R O-3180 232 232FIGURE 11-20ISOCONCENTRATION MAPSTRONTIUM IN BEDROCK GROUNDWATERROXBORO STEAM ELECTRIC PLANTDUKE ENERGY PROGRESS, LLCSEMORA, NORTH CAROLINADRAWN BY: J. ROBERTSPROJECT MANAGER: C. EADYCHECKED BY: C. EADY DATE: 10/28/2017 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BAS E DATA\R oxboro\Map_Docs\CS A_S upplem ent_2\IS OCON MAPS \S T R ONT IUM IN BED.m xd GRAPHIC SCALE07251,450 2,175 2,900362.5 Feet NOT ES : NO NOR T H CAR OLINA 2L OR INT ER IM MAX IMUM ALLOW ABLE CONCENT R AT IONES T ABLIS HED FOR S T R ONT IUM. PR OV IS IONAL BACKGR OUND T HR ES HOLD V ALUE IS 232 μg/L. DAS HED IS OCONCENT R AT ION CONT OUR S W HER E INFER R ED. NS = NOT S AMPLED * V ALUE CONS IDER ED AN ANOMALY † CONCENT R AT ION GR EAT ER T HAN CUR R ENT S IT E S PECIFIC BT V BUT W IT HIN T HEBACKGR OUND CONCENT R AT ION R ANGE FOR S IMILAR PIEDMONT GEOLOGIC S ET T INGS .DUE T O GR OUNDW AT ER FLOW DIR ECT ION AND OT HER CONS T IT UENT MIGR AT IONPAT T ER NS , CONCENT R AT ION DOES NOT S UGGES T IMPACT FR OM T HE AS H BAS IN. DATA MAY INCLUDE LAB-QUALIFIED R ES ULT S . R EFER T O ANALY T ICAL DATA TABLENOT ES FOR QUALIFIER DEFINIT IONS . CONCENT R AT IONS R EPOR T ED ON FIGUR E R EPR ES ENT MOS T R ECENT V ALID S AMPLER ES ULT S FOR EACH W ELL. DAT A W IT H HIGH T UR BIDIT Y (>10 NT U) OR R ES ULT S T HATINDICAT E GR OUT CONTAMINAT ION OF T HE W ELL (PH>9) HAV E BEEN R EMOV ED FR OMDATAS ET. COLLECT ION DAT ES DEPICT ED ON FIGUR E R ANGE FR OM MAR CH 2015 T OJULY 2017. PR OPER T Y BOUNDAR Y PR OV IDED BY DUKE ENER GY PR OGR ES S . AER IAL PHOT OGR APHY OBT AINED FR OM GOOGLE EAR T H PR O ON S EPT EMBER 27, 2017.AER IAL W AS COLLECT ED ON J UNE 13, 2016. DR AW ING HAS BEEN S ET W IT H A PR OJ ECT ION OF NOR T H CAR OLINA S T AT E PLANECOOR DINAT E S Y S T EM FIPS 3200 (NAD83/2011). AS H BAS IN W AS T E BOUNDAR Y DUKE ENER GY R OX BOR O S IT E BOUNDAR Y AS H BAS IN COMPLIANCE BOUNDAR Y HIGHES T CONCENT R AT ION AR EA CONT OUR NOR T H CAR OLINA 2L CONT OUR TOTAL S T R ONT IUM CONCENT R AT ION (µg/L) APPR OX . BACKGR OUND CONT OUR NOT DET ECT ED ABOV E R EPOR T ING LIMITND 1 INT ER MEDIAT E CONTOUR LEGEND W AT ER S UPPLY W ELL &< &< &< &< BACKGR OUND MONITOR ING W ELL DOW NGR ADIENT MONIT OR ING W ELL S IDEGR ADIENT MONIT OR ING W ELL UPGR ADIENT MONIT OR ING W ELL LANDFILL AR EA <S T R EAM <<<<<<<<<<<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< HEATED WATERDISCHARGE POND HYCOLAKE GYPSUMSTORAGE AREA HYCOLAKE ROXBORO PLANT FGD PONDS BIO REACTOR SUBSTATION WAB EXTENSION IMPOUNDMENT COOLING WATER INTAKE BASIN EAB EXTENSION IMPOUNDMENT LCID LANDFILL INDUSTRIAL LANDFILL EAST ASH BASIN WEST ASHBASIN STAT E H W Y 5 7 SEMORA R D DUNNAWAY RD STATE RD 1336MCGHEES MILL RDABMW-5D2.4 BG-118 CW-280 CW-335 CW-437 CW-5250 GMW-6560 GPMW-1D1100 GPMW-2D430 GPMW-3D1200 MW-15D28 MW-18D32 MW-22D840 MW-5D400 MW-6D37 GPMW-1S1100 250 250FIGURE 11-21ISOCONCENTRATION MAPSULFATE IN TRANSITION ZONE GROUNDWATERROXBORO STEAM ELECTRIC PLANTDUKE ENERGY PROGRESS, LLCSEMORA, NORTH CAROLINADRAWN BY: J. ROBERTSPROJECT MANAGER: C. EADYCHECKED BY: C. EADY DATE: 10/28/2017 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BAS E DATA\R oxboro\Map_Docs\CS A_S upplement_2\IS OCON MAPS \S ULFAT E IN T Z.mxd GRAPHIC SCALE07251,450 2,175 2,900362.5 Feet NOT ES : T HE NOR T H CAR OLINA 2L FOR S ULFAT E IS 250 mg/L. PR OV IS IONAL BACKGR OUND T HR ES HOLD V ALUE IS 37 mg/L. DAS HED IS OCONCENT R AT ION CONT OUR S W HER E INFER R ED. NS = NOT S AMPLED * V ALUE CONS IDER ED AN ANOMALY † CONCENT R AT ION GR EAT ER T HAN CUR R ENT S IT E S PECIFIC BT V BUT W IT HIN T HEBACKGR OUND CONCENT R AT ION R ANGE FOR S IMILAR PIEDMONT GEOLOGIC S ET T INGS .DUE T O GR OUNDW AT ER FLOW DIR ECT ION AND OT HER CONS T IT UENT MIGR AT IONPAT T ER NS , CONCENT R AT ION DOES NOT S UGGES T IMPACT FR OM T HE AS H BAS IN. DATA MAY INCLUDE LAB-QUALIFIED R ES ULT S . R EFER T O ANALY T ICAL DATA TABLENOT ES FOR QUALIFIER DEFINIT IONS . CONCENT R AT IONS R EPOR T ED ON FIGUR E R EPR ES ENT MOS T R ECENT V ALID S AMPLER ES ULT S FOR EACH W ELL. DAT A W IT H HIGH T UR BIDIT Y (>10 NT U) OR R ES ULT S T HATINDICAT E GR OUT CONTAMINAT ION OF T HE W ELL (PH>9) HAV E BEEN R EMOV ED FR OMDATAS ET. COLLECT ION DAT ES DEPICT ED ON FIGUR E R ANGE FR OM MAR CH 2015 T OJULY 2017. PR OPER T Y BOUNDAR Y PR OV IDED BY DUKE ENER GY PR OGR ES S . AER IAL PHOT OGR APHY OBT AINED FR OM GOOGLE EAR T H PR O ON S EPT EMBER 27, 2017.AER IAL W AS COLLECT ED ON J UNE 13, 2016. DR AW ING HAS BEEN S ET W IT H A PR OJ ECT ION OF NOR T H CAR OLINA S T AT E PLANECOOR DINAT E S Y S T EM FIPS 3200 (NAD83/2011). AS H BAS IN W AS T E BOUNDAR Y DUKE ENER GY R OX BOR O S IT E BOUNDAR Y AS H BAS IN COMPLIANCE BOUNDAR Y HIGHES T CONCENT R AT ION AR EA CONT OUR NOR T H CAR OLINA 2L CONT OUR TOTAL S ULFAT E CONCENT R AT ION (mg/L) APPR OX . BACKGR OUND CONT OUR NOT DET ECT ED ABOV E R EPOR T ING LIMITND 1 INT ER MEDIAT E CONTOUR LEGEND W AT ER S UPPLY W ELL &< &< &< &< BACKGR OUND MONITOR ING W ELL DOW NGR ADIENT MONIT OR ING W ELL S IDEGR ADIENT MONIT OR ING W ELL UPGR ADIENT MONIT OR ING W ELL LANDFILL AR EA <S T R EAM <<<<<<<<<<<&< &< &<&< &< &< &<&< &< &< &< &< &< &<&< &< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< HEATED WATERDISCHARGE POND HYCOLAKE GYPSUMSTORAGE AREA HYCOLAKE ROXBORO PLANT FGD PONDS BIO REACTOR SUBSTATION WAB EXTENSION IMPOUNDMENT COOLING WATER INTAKE BASIN EAB EXTENSION IMPOUNDMENT LCID LANDFILL INDUSTRIAL LANDFILL R O-371 EAST ASH BASIN WEST ASHBASIN STAT E H W Y 5 7 SEMORA R D DUNNAWAY RD STATE RD 1336MCGHEES MILL RDABMW-1BR20 ABMW-2BR110 ABMW-3BR2700 ABMW-3BRL500 ABMW-4BR17 ABMW-6BR58 ABMW-7BR130 ABMW-7BRL350 BG-1BR19 BG-1BRLR390 CW-1130 CW-2D140 CW-3D32 GMW-1030 GMW-11460 GMW-7180 GMW-8580 GMW-922 GPMW-1BR1000 GPMW-2BR1000 GPMW-3BR440 MW-10BR40 MW-12BR28 MW-13BR32 MW-14BR13 MW-15BR27 MW-16BR25 MW-17BR35 MW-18BR5.8 MW-19BRL1.4 MW-1BR75 MW-20BRL10 MW-22BR410 MW-23BRR23 MW-24BR68 MW-25BR94 MW-26BR61 MW-27BR210 MW-28BR42 MW-29BR19 MW-2BR47 MW-30BR64 MW-31BR30 MW-32BR410 MW-33BR71 MW-4BR34 MW-5BR290 MW-6BR14 MW-7BR23 MW-8BR25 MW-9BR21 BG-2BR21 MW-3BR1400 MW-11BR41 R O-151 R O-2ND R O-47 R O-77.1 R O-829.2 R O-10-1 26 R O-1131.1 R O-1271.8 R O-132.6 R O-1547.1 R O-16ND R O2040-R AW 23.6 R O2040-R AW 28 R O2031-R AW 10.8 R O2014-R AW 8.4 R O-1027 5.4 R O-1026 2.2 R O-102513.7 R O-102431.3 R O2056-R AW 1.4 R O-10108.2 R O-1005ND R O-1004 5.6 R O-1003 25 R O-10-2 25 R O-100110.1 R O-10003.9 R O-1011 4.7 R O-1010A 31.3 R O-10133.4 R O-1012 ND R O-10156.9 R O-1016 4.6 R O-1017 7.3 R O-10189.5 R O-102323.7250250250 FIGURE 11-22ISOCONCENTRATION MAPSULFATE IN BEDROCK GROUNDWATERROXBORO STEAM ELECTRIC PLANTDUKE ENERGY PROGRESS, LLCSEMORA, NORTH CAROLINADRAWN BY: J. ROBERTSPROJECT MANAGER: C. EADYCHECKED BY: C. EADY DATE: 10/28/2017 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BAS E DATA\R oxboro\Map_Docs\CS A_S upplem ent_2\IS OCON MAPS \S ULFAT E IN BED.m xd GRAPHIC SCALE07251,450 2,175 2,900362.5 Feet NOT ES : T HE NOR T H CAR OLINA 2L FOR S ULFAT E IS 250 m g/L. PR OV IS IONAL BACKGR OUND T HR ES HOLD V ALUE IS 73.5 m g/L. DAS HED IS OCONCENT R AT ION CONT OUR S W HER E INFER R ED. NS = NOT S AMPLED * V ALUE CONS IDER ED AN ANOMALY † CONCENT R AT ION GR EAT ER T HAN CUR R ENT S IT E S PECIFIC BT V BUT W IT HIN T HEBACKGR OUND CONCENT R AT ION R ANGE FOR S IMILAR PIEDMONT GEOLOGIC S ET T INGS .DUE T O GR OUNDW AT ER FLOW DIR ECT ION AND OT HER CONS T IT UENT MIGR AT IONPAT T ER NS , CONCENT R AT ION DOES NOT S UGGES T IMPACT FR OM T HE AS H BAS IN. DATA MAY INCLUDE LAB-QUALIFIED R ES ULT S . R EFER T O ANALY T ICAL DATA TABLENOT ES FOR QUALIFIER DEFINIT IONS . CONCENT R AT IONS R EPOR T ED ON FIGUR E R EPR ES ENT MOS T R ECENT V ALID S AMPLER ES ULT S FOR EACH W ELL. DAT A W IT H HIGH T UR BIDIT Y (>10 NT U) OR R ES ULT S T HATINDICAT E GR OUT CONTAMINAT ION OF T HE W ELL (PH>9) HAV E BEEN R EMOV ED FR OMDATAS ET. COLLECT ION DAT ES DEPICT ED ON FIGUR E R ANGE FR OM MAR CH 2015 T OJULY 2017. PR OPER T Y BOUNDAR Y PR OV IDED BY DUKE ENER GY PR OGR ES S . AER IAL PHOT OGR APHY OBT AINED FR OM GOOGLE EAR T H PR O ON S EPT EMBER 27, 2017.AER IAL W AS COLLECT ED ON J UNE 13, 2016. DR AW ING HAS BEEN S ET W IT H A PR OJ ECT ION OF NOR T H CAR OLINA S T AT E PLANECOOR DINAT E S Y S T EM FIPS 3200 (NAD83/2011). AS H BAS IN W AS T E BOUNDAR Y DUKE ENER GY R OX BOR O S IT E BOUNDAR Y AS H BAS IN COMPLIANCE BOUNDAR Y HIGHES T CONCENT R AT ION AR EA CONT OUR NOR T H CAR OLINA 2L CONT OUR TOTAL S ULFAT E CONCENT R AT ION (m g/L) APPR OX . BACKGR OUND CONT OUR NOT DET ECT ED ABOV E R EPOR T ING LIMITND 1 INT ER MEDIAT E CONTOUR LEGEND W AT ER S UPPLY W ELL &< &< &< &< BACKGR OUND MONITOR ING W ELL DOW NGR ADIENT MONIT OR ING W ELL S IDEGR ADIENT MONIT OR ING W ELL UPGR ADIENT MONIT OR ING W ELL LANDFILL AR EA <S T R EAM <<<<<<<<<<<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< HEATE D WATE RDISCHARGE PO ND HYCOLAKE GY PSUMSTORAGE AR EA HYCOLAKE ROX BORO P LANT FG D PO NDS BIO REAC TOR SUBSTATION WAB EXT ENS IO N IMPOUNDMENT COOL ING WATER INTAKE BAS IN EAB EXT ENSION IMPOUNDMENT LCID LANDF ILL INDU STRIAL L ANDFILL EA ST A SH BA SIN WEST ASHBASIN STATE HWY 57 SEMORA RD DUNNAWAY RD STATE RD 1336MCGHEES MILL RDABMW-5D280 BG-1340 CW-2440 CW-3240 CW-4360 CW-5490 GMW-61200 GP MW-1D1800 GP MW-2D980 GP MW-3D1900 MW -15D410 MW -18D750 MW -22D1500 MW-5 D700 MW-6 D250 GP MW-1S1700 5405 4 0 FIGURE 11-2 3ISOCONCENTRATION M APTOTAL DISS O LVE D S O LIDS IN TRA NSITION ZONEGROUNDWATERROXBORO S TEAM ELECTR IC P LANTDUKE E NERG Y PR OG RESS , LLCSEMORA, NO RTH CAROLIN ADRAWN BY: J. ROBERTSPROJECT MANAGER: C. EADYCHECKED BY: C. EADY DAT E: 10/28/2017 148 RIVER STREET, SUIT E 220GREENVILLE, SOUTH C AROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke En e rg y Prog ress.1 0 2 6\00 GIS B ASE DATA\Ro xboro\Ma p _Docs\CSA _S up p leme n t_2\ISOCO N MA PS\T DS TZ .m xd GRAPH IC SCA LE07251,450 2,175 2,900362.5 Feet NOTES: THE NORTH CA ROLINA 2L F OR TOTAL D ISS OLVE D S OLIDS IS 500 mg/L. PROVI SIONAL BACKGROUND THR ESH OLD VALUE IS 540 mg/L. DASH ED ISOCON CENT RAT ION CONTOU RS WHERE INF ERRED. NS = NOT SAMP LED * VA LUE CON SIDERED AN AN OMALY † CONCEN TRATION GREATE R TH AN CURRENT S IT E SPEC IFIC BTV BU T WITHIN THEBACKGROUND CONC ENT RATI ON R ANGE FOR SIMILAR PIE DMONT GEOLOGIC SET TI NGS.DUE T O GROUN DWAT ER FLOW DIRE CTION AND OTHE R CO NST ITU ENT MIGRATIONPATTERNS, CONCENTR ATI ON DOES NOT SUGGEST IMPACT FR OM THE ASH BASI N. DATA MAY INCLUDE LAB-QUALIF IED RE SULTS. R EFER TO ANALYTIC AL D ATA TAB LENOTES FOR QU ALIFIER DEF INI TI ONS. CONCEN TRATION S R EPORTED ON F IGUR E REPRESEN T MOST RECENT VALID SA MPLERESULTS F OR E ACH WE LL. DATA WITH HIGH TURB IDI TY (>10 NTU) OR RESULTS THATINDICATE GRO UT C ONTAMI NAT ION OF THE WE LL (PH>9) HAV E BEEN REMOV ED FROMDATASET. COLLECTI ON D ATE S D EPICTE D ON FIGURE RAN GE FROM MARCH 2015 TOJULY 2017. PROPE RTY BOUND ARY PROVIDED BY DUKE EN ERGY PROGRESS. AERI AL PHOTOGR APH Y OBTAIN ED FROM GOOGLE EA RTH PRO ON S EPT EMBE R 27, 2017.AERI AL WAS COLLECTE D ON JUNE 13, 2016. DRAWING HA S BEE N SE T W IT H A PROJECTION OF NORTH CA ROLI NA STATE PLAN ECOORDINATE SYSTEM F IPS 3200 (N AD83/2011). ASH BASIN WASTE BOUNDARY DUKE E NE RGY R OXBOR O SITE BOUN DA RY ASH BASIN C OMPLIANCE BOUNDARY HIGHEST C ON C EN TRATION AR EA CONTOUR NORTH CAROLINA 2L CONTOUR TOTAL D ISSOLVED SOLIDS CONCENTR ATION (mg/L) APPROX. B AC KGROUND C ONTOUR NOT DETEC TED ABOV E R EPORTING LIMITND 1 INTERMEDIATE CONTOU R LEGEND WATER SUPP LY W EL L &< &< &< &< BAC KGROUND MONITOR ING W ELL DOW NGR AD IENT MONITORI NG W ELL SID EGRA D IEN T M ONITOR IN G W EL L UP GRADIE N T MON ITOR ING WE LL LANDFILL A RE A <STREA M <<<<<<<<<<<&< &< &<&< &< &< &<&< &< &< &< &< &< &<&< &< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< HEATE D WATE RDISCHARGE PO ND HYCOLAKE GY PSUMSTORAGE AR EA HYCOLAKE ROX BORO P LANT FG D PO NDS BIO REAC TOR SUBSTATION WAB EXT ENS IO N IMPOUNDMENT COOL ING WATER INTAKE BAS IN EAB EXT ENSION IMPOUNDMENT LCID LANDF ILL INDU STRIAL L ANDFILL EA ST A SH BA SIN WEST ASHBASIN STATE HWY 57 SEMORA RD DUNNAWAY RD STATE RD 1336MCGHEES MILL RDABMW-1BR340 ABMW-2BR480 ABMW-3BR4200 ABMW-3BRL920 ABMW-4BR270 ABMW-6BR340 ABMW-7BR440 ABMW-7BRL570 BG-1BR310 BG-1BR LR1100 CW-1420 CW-2D440 CW-3D340 GMW-1 0180 GMW -11900 GMW-7820 GMW -81600 GMW-9160 GP MW-1BR1700 GP MW-2BR2000 GP MW-3BR780 MW-1 0BR330 MW-1 2BR420 MW-1 3BR420 MW -14BR360 MW -15BR350 MW-1 6BR290 MW-1 7BR410 MW -18BR560 MW -19BRL460 MW-1 BR580 MW-2 0BRL250 MW -22BR910 MW-2 3BRR280 MW -24BR300 MW -25BR590 MW-2 6BR500 MW -27BR550 MW -28BR330 MW -29BR300 MW -2 BR570 MW-3 0BR480 MW-3 1BR390 MW -32BR620 MW -33BR430 MW -4 BR270 MW-5 BR560 MW-6 BR250 MW -7 BR250 MW -8 BR370 MW -9 BR220 BG-2BR320 MW -3 BR2200 MW-11BR340 RO-1405 RO-2383 RO-4267 RO-7200 RO-8366 RO-10-1644 RO-11326 RO-12463 RO-1 3138 RO-1 5456 RO-1 6ND RO-1 023228 RO-1 017224 RO-101 8209 RO-1 016117 RO-1 015160 RO-1 012116 RO-1 013160 RO-101 0 A332 RO-1011152 RO-100 0150RO-100 1179 RO-10-2369 RO-1 003199 RO-1 004284 RO-1 005129 RO-1 010206 RO2 0 5 6-RAW107 RO-1 024171 RO-1 025191 RO-1 026152 RO-1 027205 RO2014-RAW241 RO2 0 3 1-RAW165 RO2 0 4 0-RAW891 RO2040-RAW474 RO-3410530530500 FIGURE 11-2 4ISOCONCENTRATION M APTOTAL DISSOLV ED SOLIDS IN BE DRO CKGROUNDWATERROXBORO S TEAM ELECTR IC P LANTDUKE E NERG Y PR OG RESS , LLCSEMORA, NO RTH CAROLIN ADRAWN BY: J. ROBERTSPROJECT MANAGER: C. EADYCHECKED BY: C. EADY DAT E: 10/28/2017 148 RIVER STREET, SUIT E 220GREENVILLE, SOUTH C AROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke En e rg y Prog ress.1 0 2 6\00 GIS B ASE DATA\Ro xboro\Ma p _Docs\CSA _S up p leme n t_2\ISOCO N MA PS\T DS BED.m xd GRAPH IC SCA LE07251,450 2,175 2,900362.5 Feet NOTES: THE NORTH CA ROLINA 2L F OR TOTAL D ISS OLVE D S OLIDS IS 500 mg/L. PROVI SIONAL BACKGROUND THR ESH OLD VALUE IS 530 mg/L. DASH ED ISOCON CENT RAT ION CONTOU RS WHERE INF ERRED. NS = NOT SAMP LED * VA LUE CON SIDERED AN AN OMALY † CONCEN TRATION GREATE R TH AN CURRENT S IT E SPEC IFIC BTV BU T WITHIN THEBACKGROUND CONC ENT RATI ON R ANGE FOR SIMILAR PIE DMONT GEOLOGIC SET TI NGS.DUE T O GROUN DWAT ER FLOW DIRE CTION AND OTHE R CO NST ITU ENT MIGRATIONPATTERNS, CONCENTR ATI ON DOES NOT SUGGEST IMPACT FR OM THE ASH BASI N. DATA MAY INCLUDE LAB-QUALIF IED RE SULTS. R EFER TO ANALYTIC AL D ATA TAB LENOTES FOR QU ALIFIER DEF INI TI ONS. CONCEN TRATION S R EPORTED ON F IGUR E REPRESEN T MOST RECENT VALID SA MPLERESULTS F OR E ACH WE LL. DATA WITH HIGH TURB IDI TY (>10 NTU) OR RESULTS THATINDICATE GRO UT C ONTAMI NAT ION OF THE WE LL (PH>9) HAV E BEEN REMOV ED FROMDATASET. COLLECTI ON D ATE S D EPICTE D ON FIGURE RAN GE FROM MARCH 2015 TOJULY 2017. PROPE RTY BOUND ARY PROVIDED BY DUKE EN ERGY PROGRESS. AERI AL PHOTOGR APH Y OBTAIN ED FROM GOOGLE EA RTH PRO ON S EPT EMBE R 27, 2017.AERI AL WAS COLLECTE D ON JUNE 13, 2016. DRAWING HA S BEE N SE T W IT H A PROJECTION OF NORTH CA ROLI NA STATE PLAN ECOORDINATE SYSTEM F IPS 3200 (N AD83/2011). ASH BASIN WASTE BOUNDARY DUKE E NE RGY R OXBOR O SITE BOUN DA RY ASH BASIN C OMPLIANCE BOUNDARY HIGHEST C ON C EN TRATION AR EA CONTOUR NORTH CAROLINA 2L CONTOUR TOTAL D ISSOLVED SOLIDS CONCENTR ATION (mg/L) APPROX. B AC KGROUND C ONTOUR NOT DETEC TED ABOV E R EPORTING LIMITND 1 INTERMEDIATE CONTOU R LEGEND WATER SUPP LY W EL L &< &< &< &< BAC KGROUND MONITOR ING W ELL DOW NGR AD IENT MONITORI NG W ELL SID EGRA D IEN T M ONITOR IN G W EL L UP GRADIE N T MON ITOR ING WE LL LANDFILL A RE A <STREA M <<<<<<<<<<<&< &< &<&< &< &< &< &< &< &< &< &< &< &< &< &< HEATED WATERDISCHARGE POND HYCOLAKE GYPSUMSTORAGE AREA HYCOLAKE ROXBORO PLANT FGD PONDS BIO REACTOR SUBSTATION WAB EXTENSION IMPOUNDMENT COOLING WATER INTAKE BASIN EAB EXTENSION IMPOUNDMENT LCID LANDFILL INDUSTRIAL LANDFILL GPMW-02D0.0001 EAST ASH BASIN WEST ASHBASIN STAT E H W Y 5 7 SEMORA R D DUNNAWAY RD STATE RD 1336MCGHEES MILL RDCW-050.00029 MW-22D0.000962 CW-020.00269 MW-05D0.00025 MW-06D0.00031 BG-010.000444 MW-15D0.000739 GPMW-01D0.0016 GMW-060.00235 CW-040.00269 MW-18D0.00359 GPMW-03D0.000132 ABMW -05DND CW -3ND GPMW -1SND FIGURE 11-25ISOCONCENTRATION MAPTOTAL URANIUM IN TRANSITION ZONEROXBORO STEAM ELECTRIC PLANTDUKE ENERGY PROGRESS, LLCSEMORA, NORTH CAROLINADRAWN BY: J. ROBERTSPROJECT MANAGER: C. EADYCHECKED BY: C. EADY DATE: 10/28/2017 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BAS E DATA\R oxboro\Map_Docs\CS A_S upplement_2\IS OCON MAPS \UR ANIUM IN T Z.mxd GRAPHIC SCALE07251,450 2,175 2,900362.5 Feet NOT ES : T HE NOR T H CAR OLINA 2L FOR T OT AL UR ANIUM IS 0.03 μg/L. PR OV IS IONAL BACKGR OUND T HR ES HOLD V ALUE IS 0.005 μg/L. DAS HED IS OCONCENT R AT ION CONT OUR S W HER E INFER R ED. NS = NOT S AMPLED * V ALUE CONS IDER ED AN ANOMALY † CONCENT R AT ION GR EAT ER T HAN CUR R ENT S IT E S PECIFIC BT V BUT W IT HIN T HEBACKGR OUND CONCENT R AT ION R ANGE FOR S IMILAR PIEDMONT GEOLOGIC S ET T INGS .DUE T O GR OUNDW AT ER FLOW DIR ECT ION AND OT HER CONS T IT UENT MIGR AT IONPAT T ER NS , CONCENT R AT ION DOES NOT S UGGES T IMPACT FR OM T HE AS H BAS IN. DATA MAY INCLUDE LAB-QUALIFIED R ES ULT S . R EFER T O ANALY T ICAL DATA TABLENOT ES FOR QUALIFIER DEFINIT IONS . CONCENT R AT IONS R EPOR T ED ON FIGUR E R EPR ES ENT MOS T R ECENT V ALID S AMPLER ES ULT S FOR EACH W ELL. DAT A W IT H HIGH T UR BIDIT Y (>10 NT U) OR R ES ULT S T HATINDICAT E GR OUT CONTAMINAT ION OF T HE W ELL (PH>9) HAV E BEEN R EMOV ED FR OMDATAS ET. COLLECT ION DAT ES DEPICT ED ON FIGUR E R ANGE FR OM MAR CH 2015 T OJULY 2017. PR OPER T Y BOUNDAR Y PR OV IDED BY DUKE ENER GY PR OGR ES S . AER IAL PHOT OGR APHY OBT AINED FR OM GOOGLE EAR T H PR O ON S EPT EMBER 27, 2017.AER IAL W AS COLLECT ED ON J UNE 13, 2016. DR AW ING HAS BEEN S ET W IT H A PR OJ ECT ION OF NOR T H CAR OLINA S T AT E PLANECOOR DINAT E S Y S T EM FIPS 3200 (NAD83/2011). AS H BAS IN W AS T E BOUNDAR Y DUKE ENER GY R OX BOR O S IT E BOUNDAR Y AS H BAS IN COMPLIANCE BOUNDAR Y HIGHES T CONCENT R AT ION AR EA CONT OUR NOR T H CAR OLINA 2L CONT OUR TOTAL UR ANIUM CONCENT R AT ION (μg/L) APPR OX . BACKGR OUND CONT OUR NOT DET ECT ED ABOV E R EPOR T ING LIMITND 1 INT ER MEDIAT E CONTOUR LEGEND W AT ER S UPPLY W ELL &< &< &< &< BACKGR OUND MONITOR ING W ELL DOW NGR ADIENT MONIT OR ING W ELL S IDEGR ADIENT MONIT OR ING W ELL UPGR ADIENT MONIT OR ING W ELL LANDFILL AR EA <S T R EAM <<<<<<<<<<<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< HEATED WATERDISCHARGE POND HYCOLAKE GYPSUMSTORAGE AREA HYCOLAKE ROXBORO PLANT FGD PONDS BIO REACTOR SUBSTATION WAB EXTENSION IMPOUNDMENT COOLING WATER INTAKE BASIN EAB EXTENSION IMPOUNDMENT LCID LANDFILL INDUSTRIAL LANDFILL MW-13BR0.0001 GMW-090.0001 MW-11BRL0.0001 EAST ASH BASIN WEST ASHBASIN STAT E H W Y 5 7 SEMORA R D DUNNAWAY RD STATE RD 1336MCGHEES MILL RDABMW-07BRL0.000317 ABMW-04BR0.000491 MW-07BR0.000613 ABMW-06BR0.000648 MW-24BR0.000983 MW-33BR0.00108 GMW-110.00112 ABMW-03BR0.00181 MW-25BR0.00206 MW-31BR0.00243 MW-26BR0.004 GMW-070.00526 GMW-080.0194 MW-06BR0.000218 MW-09BR0.000218 MW-18BR0.000231 MW-17BR0.000242 MW-02BR0.000279 MW-20BRL0.00035 MW-08BR0.000405 MW-15BR0.000482 ABMW-07BR0.000615 ABMW-02BR0.000633 CW-03D0.000807 BG-01BR0.000871 ABMW-03BRL0.00089 MW-04BR0.000952 GPMW-03BR0.000998 MW-32BR0.00126 CW-02D0.00142 MW-29BR0.00185 MW-22BR0.00236 MW-23BRR0.00258 MW-28BR0.00279 MW-27BR0.00285 MW-10BR0.00308 GPMW-01BR0.00342 MW-05BR0.00349 MW-30BR0.00357 GPMW-02BR0.00465 MW-01BR0.00541 BG-01BRLR0.0385 ABMW-01BR0.0000712 CW-010.000155 MW -3BRND BG-02BRND MW -11BRND R O-1NS R O-2NS R O-4NS R O-7NS R O-8NS R O-10-1 NS R O-11NS R O-12NS R O-13NS R O-15NS R O-16NS R O-03NS 0.030.03FIGURE 11-26ISOCONCENTRATION MAPTOTAL URANIUM IN BEDROCK GROUNDWATERROXBORO STEAM ELECTRIC PLANTDUKE ENERGY PROGRESS, LLCSEMORA, NORTH CAROLINADRAWN BY: J. ROBERTSPROJECT MANAGER: C. EADYCHECKED BY: C. EADY DATE: 10/28/2017 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BAS E DATA\R oxboro\Map_Docs\CS A_S upplem ent_2\IS OCON MAPS \UR ANIUM IN BED.m xd GRAPHIC SCALE07251,450 2,175 2,900362.5 Feet NOT ES : T HE NOR T H CAR OLINA 2L FOR T OT AL UR ANIUM IS 0.03 μg/L. PR OV IS IONAL BACKGR OUND T HR ES HOLD V ALUE IS 0.003 μg/L. DAS HED IS OCONCENT R AT ION CONT OUR S W HER E INFER R ED. NS = NOT S AMPLED * V ALUE CONS IDER ED AN ANOMALY † CONCENT R AT ION GR EAT ER T HAN CUR R ENT S IT E S PECIFIC BT V BUT W IT HIN T HEBACKGR OUND CONCENT R AT ION R ANGE FOR S IMILAR PIEDMONT GEOLOGIC S ET T INGS .DUE T O GR OUNDW AT ER FLOW DIR ECT ION AND OT HER CONS T IT UENT MIGR AT IONPAT T ER NS , CONCENT R AT ION DOES NOT S UGGES T IMPACT FR OM T HE AS H BAS IN. DATA MAY INCLUDE LAB-QUALIFIED R ES ULT S . R EFER T O ANALY T ICAL DATA TABLENOT ES FOR QUALIFIER DEFINIT IONS . CONCENT R AT IONS R EPOR T ED ON FIGUR E R EPR ES ENT MOS T R ECENT V ALID S AMPLER ES ULT S FOR EACH W ELL. DAT A W IT H HIGH T UR BIDIT Y (>10 NT U) OR R ES ULT S T HATINDICAT E GR OUT CONTAMINAT ION OF T HE W ELL (PH>9) HAV E BEEN R EMOV ED FR OMDATAS ET. COLLECT ION DAT ES DEPICT ED ON FIGUR E R ANGE FR OM MAR CH 2015 T OJULY 2017. PR OPER T Y BOUNDAR Y PR OV IDED BY DUKE ENER GY PR OGR ES S . AER IAL PHOT OGR APHY OBT AINED FR OM GOOGLE EAR T H PR O ON S EPT EMBER 27, 2017.AER IAL W AS COLLECT ED ON J UNE 13, 2016. DR AW ING HAS BEEN S ET W IT H A PR OJ ECT ION OF NOR T H CAR OLINA S T AT E PLANECOOR DINAT E S Y S T EM FIPS 3200 (NAD83/2011). AS H BAS IN W AS T E BOUNDAR Y DUKE ENER GY R OX BOR O S IT E BOUNDAR Y AS H BAS IN COMPLIANCE BOUNDAR Y HIGHES T CONCENT R AT ION AR EA CONT OUR NOR T H CAR OLINA 2L CONT OUR TOTAL UR ANIUM CONCENT R AT ION (μg/L) APPR OX . BACKGR OUND CONT OUR NOT DET ECT ED ABOV E R EPOR T ING LIMITND 1 INT ER MEDIAT E CONTOUR LEGEND W AT ER S UPPLY W ELL &< &< &< &< BACKGR OUND MONITOR ING W ELL DOW NGR ADIENT MONIT OR ING W ELL S IDEGR ADIENT MONIT OR ING W ELL UPGR ADIENT MONIT OR ING W ELL LANDFILL AR EA <S T R EAM <<<<<<<<<<<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< HEATED WATERDISCHARGE POND HYCOLAKE GYPSUMSTORAGE AREA HYCOLAKE ROXBORO PLANT FGD PONDS BIO REACTOR SUBSTATION WAB EXTENSION IMPOUNDMENT COOLING WATER INTAKE BASIN EAB EXTENSION IMPOUNDMENT LCID LANDFILL INDUSTRIAL LANDFILL EAST ASH BASIN WEST ASHBASIN STAT E H W Y 5 7 SEMORA R D DUNNAWAY RD STATE RD 1336MCGHEES MILL RDABMW-5D0.655 BG-117.3 CW-234.5 CW-35.85 CW-42.21 CW-526.7 GMW-64.39 GPMW-1D4.4 GPMW-2D1.06 GPMW-3D1.81 MW-15D9.37 MW-18D0.983 MW-22D2.63 MW-5D13 MW-6D6.24 GPMW-1S5.64 30.2FIGURE 11-27ISOCONCENTRATION MAPVANADIUM IN TRANSITION ZONE GROUNDWATERROXBORO STEAM ELECTRIC PLANTDUKE ENERGY PROGRESS, LLCSEMORA, NORTH CAROLINADRAWN BY: J. ROBERTSPROJECT MANAGER: C. EADYCHECKED BY: C. EADY DATE: 10/28/2017 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BAS E DATA\R oxboro\Map_Docs\CS A_S upplement_2\IS OCON MAPS \V ANADIUM IN T Z.mxd GRAPHIC SCALE07251,450 2,175 2,900362.5 Feet NOT ES : T HE INT ER IM MAX IMUM ALLOW ABLE CONCENT R AT ION (IMAC) FOR V ANADIUM IS 0.3 μg/L. PR OV IS IONAL BACKGR OUND T HR ES HOLD V ALUE IS 30.2 μg/L. DAS HED IS OCONCENT R AT ION CONT OUR S W HER E INFER R ED. NS = NOT S AMPLED * V ALUE CONS IDER ED AN ANOMALY † CONCENT R AT ION GR EAT ER T HAN CUR R ENT S IT E S PECIFIC BT V BUT W IT HIN T HEBACKGR OUND CONCENT R AT ION R ANGE FOR S IMILAR PIEDMONT GEOLOGIC S ET T INGS .DUE T O GR OUNDW AT ER FLOW DIR ECT ION AND OT HER CONS T IT UENT MIGR AT IONPAT T ER NS , CONCENT R AT ION DOES NOT S UGGES T IMPACT FR OM T HE AS H BAS IN. DATA MAY INCLUDE LAB-QUALIFIED R ES ULT S . R EFER T O ANALY T ICAL DATA TABLENOT ES FOR QUALIFIER DEFINIT IONS . CONCENT R AT IONS R EPOR T ED ON FIGUR E R EPR ES ENT MOS T R ECENT V ALID S AMPLER ES ULT S FOR EACH W ELL. DAT A W IT H HIGH T UR BIDIT Y (>10 NT U) OR R ES ULT S T HATINDICAT E GR OUT CONTAMINAT ION OF T HE W ELL (PH>9) HAV E BEEN R EMOV ED FR OMDATAS ET. COLLECT ION DAT ES DEPICT ED ON FIGUR E R ANGE FR OM MAR CH 2015 T OJULY 2017. PR OPER T Y BOUNDAR Y PR OV IDED BY DUKE ENER GY PR OGR ES S . AER IAL PHOT OGR APHY OBT AINED FR OM GOOGLE EAR T H PR O ON S EPT EMBER 27, 2017.AER IAL W AS COLLECT ED ON J UNE 13, 2016. DR AW ING HAS BEEN S ET W IT H A PR OJ ECT ION OF NOR T H CAR OLINA S T AT E PLANECOOR DINAT E S Y S T EM FIPS 3200 (NAD83/2011). AS H BAS IN W AS T E BOUNDAR Y DUKE ENER GY R OX BOR O S IT E BOUNDAR Y AS H BAS IN COMPLIANCE BOUNDAR Y HIGHES T CONCENT R AT ION AR EA CONT OUR IMAC CONT OUR TOTAL V ANADIUM CONCENT R AT ION (μg/L) APPR OX . BACKGR OUND CONT OUR NOT DET ECT ED ABOV E R EPOR T ING LIMITND 1 INT ER MEDIAT E CONTOUR LEGEND W AT ER S UPPLY W ELL &< &< &< &< BACKGR OUND MONITOR ING W ELL DOW NGR ADIENT MONIT OR ING W ELL S IDEGR ADIENT MONIT OR ING W ELL UPGR ADIENT MONIT OR ING W ELL LANDFILL AR EA <S T R EAM <<<<<<<<<<<&< &< &<&< &< &< &<&< &< &< &< &< &< &<&< &< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< HEATED WATERDISCHARGE POND HYCOLAKE GYPSUMSTORAGE AREA HYCOLAKE ROXBORO PLANT FGD PONDS BIO REACTOR SUBSTATION WAB EXTENSION IMPOUNDMENT COOLING WATER INTAKE BASIN EAB EXTENSION IMPOUNDMENT LCID LANDFILL INDUS TRIAL LANDFILL EAST ASH BASIN WEST ASHBASIN STAT E H W Y 5 7 SEMORA R D DUNNAWAY RD STATE RD 1336MCGHEES MILL RDABMW-1BR0.346 ABMW-2BR0.425 ABMW-3BR2.79 ABMW-3BRL0.486 ABMW-4BR3.18ABMW-6BR0.378 ABMW-7BR0.496 BG-1BR2.26 BG-1BRLR2.49 CW-121.4 CW-2D14.1 CW-3D2.57 GMW-103.1 GMW-115.57 GMW-76.58 GMW-81.78 GMW-93.93 GPMW-1BR2.4 GPMW-2BR3.51 GPMW-3BR0.982 MW-10BR†2.9 MW-12BR0.424 MW-13BR†4.45 MW-16BR†2.93 MW-17BR0.373 MW-19BRL0.433 MW-1BR14.5 MW-20BRL0.318 MW-22BR0.655 MW-23BRR1.12 MW-26BR0.392 MW-27BR0.603 MW-28BR2.01 MW-29BR1.24 MW-2BR0.341 MW-30BR0.3 MW-31BR1.95 MW-32BR0.7 MW-33BR10.4* MW-4BR1.11 MW-5BR0.309 MW-6BR0.386 MW-7BR5.44* MW-8BR1.02 MW-9BR*2.96 BG-2BR0.76 MW-3BR15.3 MW-11BR5.04 ABMW -7BR LND MW -14BRND MW -15BRND MW -18BRND MW -24BRND MW -25BRND R O-12.8 R O-2ND R O-41.38 R O-75.9 R O-84.5 R O-10-1 ND R O-1110.6 R O-12ND R O-133.1 R O-1516.1 R O-165.5 R O-1017 5.1 R O-1018 4.1 R O-10165.5 R O-10153.5 R O-1012 7 R O-10133.8 R O-1010A 7.4 R O-10116.2 R O-10010.83 R O-10000.6 R O-10-23.87 R O-1003 1.6 R O-1004 ND R O-10056.1 R O-10106.8 R O2056-R AW 5 R O-10240.73 R O-1023 1.8 R O-102517.1 R O-1026 0.4 R O-1027ND R O2014-R AW1.9 R O2031-R AW 0.95 R O2040-R AW 1.8 R O2040-R AW 4.3 R O-03ND 2.49 2.49 2.49FIGURE 11-28IS OCONCENTRATION MAPVANADIUM IN BEDROCK GROUNDWATERROXBORO S TEAM ELECTRIC PLANTDUKE ENERGY PROGRES S , LLCS EMORA, NORTH CAROLINA DRAWN BY: J. ROBERTSPROJECT MANAGER: C. EADYCHECKED BY: C. EADY DATE: 10/28/2017 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BAS E DATA\R oxboro\Map_Docs\CS A_S upplem ent_2\IS OCON MAPS \V ANADIUM IN BED.m xd GRAPHIC SCALE07251,450 2,175 2,900362.5 Feet NOT ES : T HE INT ER IM MAX IMUM ALLOW ABLE CONCENT R AT ION (IMAC) FOR V ANADIUM IS 0.3 μg/L. PR OV IS IONAL BACKGR OUND T HR ES HOLD V ALUE IS 2.49 μg/L. DAS HED IS OCONCENT R AT ION CONT OUR S W HER E INFER R ED. NS = NOT S AMPLED * V ALUE CONS IDER ED AN ANOMALY † CONCENT R AT ION GR EAT ER T HAN CUR R ENT S IT E S PECIFIC BT V BUT W IT HIN T HEBACKGR OUND CONCENT R AT ION R ANGE FOR S IMILAR PIEDMONT GEOLOGIC S ET T INGS .DUE T O GR OUNDW AT ER FLOW DIR ECT ION AND OT HER CONS T IT UENT MIGR AT IONPAT T ER NS , CONCENT R AT ION DOES NOT S UGGES T IMPACT FR OM T HE AS H BAS IN. DATA MAY INCLUDE LAB-QUALIFIED R ES ULT S . R EFER T O ANALY T ICAL DATA TABLENOT ES FOR QUALIFIER DEFINIT IONS . CONCENT R AT IONS R EPOR T ED ON FIGUR E R EPR ES ENT MOS T R ECENT V ALID S AMPLER ES ULT S FOR EACH W ELL. DAT A W IT H HIGH T UR BIDIT Y (>10 NT U) OR R ES ULT S T HATINDICAT E GR OUT CONTAMINAT ION OF T HE W ELL (PH>9) HAV E BEEN R EMOV ED FR OMDATAS ET. COLLECT ION DAT ES DEPICT ED ON FIGUR E R ANGE FR OM MAR CH 2015 T OJULY 2017. PR OPER T Y BOUNDAR Y PR OV IDED BY DUKE ENER GY PR OGR ES S . AER IAL PHOT OGR APHY OBT AINED FR OM GOOGLE EAR T H PR O ON S EPT EMBER 27, 2017.AER IAL W AS COLLECT ED ON J UNE 13, 2016. DR AW ING HAS BEEN S ET W IT H A PR OJ ECT ION OF NOR T H CAR OLINA S T AT E PLANECOOR DINAT E S Y S T EM FIPS 3200 (NAD83/2011). AS H BAS IN W AS T E BOUNDAR Y DUKE ENER GY R OX BOR O S IT E BOUNDAR Y AS H BAS IN COMPLIANCE BOUNDAR Y HIGHES T CONCENT R AT ION AR EA CONT OUR IMAC CONT OUR TOTAL V ANADIUM CONCENT R AT ION (μg/L) APPR OX . BACKGR OUND CONT OUR NOT DET ECT ED ABOV E R EPOR T ING LIMITND 1 INT ER MEDIAT E CONTOUR LEGEND W AT ER S UPPLY W ELL &< &< &< &< BACKGR OUND MONITOR ING W ELL DOW NGR ADIENT MONIT OR ING W ELL S IDEGR ADIENT MONIT OR ING W ELL UPGR ADIENT MONIT OR ING W ELL LANDFILL AR EA <S T R EAM FIGURE 11-29 CONCENTRATION VERSUS DISTANCE EAST ASH BASIN – ANTIMONY, BORON, CHROMIUM (TOTAL), CHROMIUM (VI), COBLAT, IRON, MANGANESE, MOLYBDENUM CONSTITUENTS ROXBORO STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC SEMORA, NORTH CAROLINA 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com DRAWN BY: E. KINSEY PROJECT MANAGER: C. EADY LAYOUT: DATE: AUGUST 2017 P:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\CSA Update Oct 2017\Figures\COI vs. Distance Plots\Fig 11-46 to 11-49 Conc vs Distance Fig LEGEND Notes: 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. The x-axis is distance from the source wells along transect in feet with source area wells set to 0 feet. Source area wells are defined as the wells screened beneath the ash basin. Reported groundwater measurements collected during the April 2017 sampling event. * Note for Antimony all values were below the detection limit of 1 µg/L 0 0.2 0.4 0.6 0.8 1 1.2 0 500 1000 1500Antimony Concentration (µg/L)Distance from Source Wells (ft) Antimony 0 500 1000 1500 2000 2500 3000 0 500 1000 1500Boron Concentration (µg/L)Distance from Source Wells (ft) Boron 0 5 10 15 20 25 30 0 500 1000 1500Total Chromium Concentration (µg/L)Distance from Source Wells (ft) Total Chromium 0 5 10 15 20 0 500 1000 1500Chromium (VI) Concentration (µg/L)Distance from Source Wells (ft) Chromium (VI) 0 2 4 6 8 10 12 0 500 1000 1500Cobalt Concentration (µg/L)Distance from Source Wells (ft) Cobalt 0 1000 2000 3000 4000 5000 6000 0 500 1000 1500Iron Concentration (µg/L)Distance from Source Wells (ft) Iron 0 5 10 15 20 25 30 35 40 0 500 1000 1500Molybdenum Concentration (µg/L)Distance from Source Wells (ft) Molybdenum 1 10 100 1000 10000 0 500 1000 1500Manganese Concentration (µg/L)Distance from Source Wells (ft) Manganese FIGURE 11-30 CONCENTRATION VERSUS DISTANCE EAST ASH BASIN – pH, SELENIUM, STRONTIUM, SULFATE, TOTAL DISSOLVED SOLIDS, URANIUM, VANADIUM CONSTITUENTS ROXBORO STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC SEMORA, NORTH CAROLINA 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com DRAWN BY: E. KINSEY PROJECT MANAGER: C. EADY LAYOUT: DATE: AUGUST 2017 P:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\CSA Update Oct 2017\Figures\COI vs. Distance Plots\Fig 11-46 to 11-49 Conc vs Distance Fig LEGEND Notes: 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. The x-axis is distance from the source wells along transect in feet with source area wells set to 0 feet. Source area wells are defined as the wells screened beneath the ash basin. Reported groundwater measurements collected during the April 2017 sampling event. 6 6.5 7 7.5 8 8.5 9 0 500 1000 1500pH (S.U.)Distance from Source Wells (ft) pH 0 10 20 30 40 50 60 70 80 0 500 1000 1500Selenium Concentration (µg/L)Distance from Source Wells (ft) Selenium 0 500 1000 1500 2000 2500 0 500 1000 1500Strontium Concentration (µg/L)Distance from Source Wells (ft) Strontium 0 200 400 600 800 1000 1200 0 500 1000 1500Sulfate Concentration (mg/L)Distance from Source Wells (ft) Sulfate 0 500 1000 1500 2000 0 500 1000 1500Total Dissolved Solids Concentration (mg/L)Distance from Source Wells (ft) Total Dissolved Solids 0 0.005 0.01 0.015 0.02 0.025 0.03 0.035 0 500 1000 1500Uranium Concentration (µg/mL)Distance from Source Wells (ft) Uranium 0 5 10 15 20 25 30 35 0 500 1000 1500Vanadium Concentration (µg/L)Distance from Source Wells (ft) Vanadium FIGURE 11-31 CONCENTRATION VERSUS DISTANCE WEST ASH BASIN – ANTIMONY, BORON, CHROMIUM (TOTAL), CHROMIUM (VI), COBLAT, IRON, MANGANESE, MOLYBDENUM CONSTITUENTS ROXBORO STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC SEMORA, NORTH CAROLINA 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com DRAWN BY: E. KINSEY PROJECT MANAGER: C. EADY LAYOUT: DATE: AUGUST 2017 P:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\CSA Update Oct 2017\Figures\COI vs. Distance Plots\Fig 11-46 to 11-49 Conc vs Distance Fig LEGEND Notes: 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. The x-axis is distance from the source wells along transect in feet with source area wells set to 0 feet. Source area wells are defined as the wells screened beneath the ash basin. Reported groundwater measurements collected during the April 2017 sampling event. 0 0.2 0.4 0.6 0.8 1 1.2 0 500 1000 1500Antimony Concentration (µg/L)Distance from Source Wells (ft) Antimony 1 10 100 1000 10000 0 500 1000 1500Boron Concentration (µg/L)Distance from Source Wells (ft) Boron * Note for Antimony all values were below the detection limit of 1 µg/L 1 10 100 0 500 1000 1500Total Chromium Concentration (µg/L)Distance from Source Wells (ft) Total Chromium 0.01 0.1 1 10 100 0 500 1000 1500 Chromium (VI) Concentration (µg/L)Distance from Source Wells (ft) Chromium (VI) * Note for total chromium all values were below the detection limit of 1 µg/L 1 10 100 1000 0 500 1000 1500Cobalt Concentration (µg/L)Distance from Source Wells (ft) Cobalt 0 1000 2000 3000 4000 5000 6000 0 500 1000 1500Iron Concentration (µg/L)Distance from Source Wells (ft) Iron 1 10 100 1000 10000 100000 0 500 1000 1500Manganese Concentration (µg/L)Distance from Source Wells (ft) Manganese 0 5 10 15 20 25 30 35 40 0 500 1000 1500Molybdenum Concentration (µg/L)Distance from Source Wells (ft) Molybdenum FIGURE 11-32 CONCENTRATION VERSUS DISTANCE WEST ASH BASIN – pH, SELENIUM, STRONTIUM, SULFATE, TOTAL DISSOLVED SOLIDS, URANIUM, VANADIUM CONSTITUENTS ROXBORO STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC SEMORA, NORTH CAROLINA 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com DRAWN BY: E. KINSEY PROJECT MANAGER: C. EADY LAYOUT: DATE: AUGUST 2017 P:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\CSA Update Oct 2017\Figures\COI vs. Distance Plots\Fig 11-46 to 11-49 Conc vs Distance Fig LEGEND Notes: 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. The x-axis is distance from the source wells along transect in feet with source area wells set to 0 feet. Source area wells are defined as the wells screened beneath the ash basin. Reported groundwater measurements collected during the April 2017 sampling event. 0 2 4 6 8 10 0 500 1000 1500pH (S.U.)Distance from Source Wells (ft) pH 0 5 10 15 20 25 0 500 1000 1500Selenium Concentration (µg/L)Distance from Source Wells (ft) Selenium * Note for Selenium all values were below the detection limit of 1 µg/L 0 500 1000 1500 2000 0 500 1000 1500Strontium Concentration (µg/L)Distance from Source Wells (ft) Strontium 1 10 100 1000 10000 0 500 1000 1500Sulfate Concentration (mg/L)Distance from Source Wells (ft) Sulfate 10 100 1000 10000 0 500 1000 1500Total Dissolved Solids Concentration (mg/L)Distance from Source Wells (ft) Total Dissolved Solids 0 0.005 0.01 0.015 0.02 0.025 0.03 0.035 0 500 1000 1500Uranium Concentration (µg/mL)Distance from Source Wells (ft) Uranium 0 5 10 15 20 25 30 35 0 500 1000 1500Vanadium Concentration (µg/L)Distance from Source Wells (ft) Vanadium ND ND ND ND ND ND ND ND ND 2.14 ND ND 1 ND 3.19 ND ND 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY: CRAIG EADY DATE:CHRISTINA NEWELL AA_ANTIMONY 09/14/2017 10/28/2017 5:24 PM P:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\43.Revised CSA Guidance\DWG\DE ROXBORO CROSS-SECTIONS A-D Analytical V2.dwg FIGURE 11-33 ANTIMONY ANALYTICAL RESULTS CROSS SECTION A-A' ROXBORO STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC SEMORA, NORTH CAROLINA RO10DW-46 &DW-47BG-1BRLBG-1BREFFLUENTDISCHARGE CANALBIO-REACTOR BUILDINGGRAVEL ROADGRAVEL ROADWEST FGD POND EAST FGD POND ASPHALT ROADABMW-3BRHEATED WATER DISCHARGE CANALPLANT ELECTRIC SUBSTATION ASH BASIN WASTE BOUNDARY ASH BASIN COMPLIANCE BOUNDARY SEMORA RDDUKE ENERGY ROXBORO STEAM ELECTRIC PLANT PROPERTY VERTICAL EXAGGERATION 5X WOODLANDELEMENTARY SCHOOLABMW-3BRLASH ASH/SOIL REGOLITH REGOLITH ASH ASH PORE WATER BEDROCKBEDROCK BEDROCKSTEAM ELECTRIC PLANTGRAVEL ROADA'A (NORTH)(SOUTH)MW-5BRMW-5DDIRT ROADABMW-3CW-5ABMW-1BRABMW-1BG-2BG-1BRLRMW-32BRMW-6BRMW-6DSLUICE PIPE TRENCH EAST ASH BASIN DUNNAW A Y R D SE M O R A R D (HW Y 5 7 )A'APOWER PLANT NOTE: CROSS SECTION A-A' IS LINEAR IN NATURE AND ALL LOCATIONS NOT ALONG THE CROSS SECTION ARE PROJECTED ONTO THE CROSS SECTION. WEST ASH BASIN HYCO LAKE 0 125 250 500 HORIZONTAL SCALE: 1" = 500' VERTICAL SCALE: 1" = 100' 5X VERTICAL EXAGGERATION HISTORIC GROUND SURFACE BASED ON THE 7-1/2' USGS TOPOGRAPHIC MAP FOR CLUSTER SPRINGS, VA DATED 1968. SOURCE INFORMATION: EXISTING GROUND SURFACE BASED ON A DRAWING PROVIDED BY THE WSP GROUP, TITLED "ROXBORO FINAL", DATED JUNE 8, 2015. WATER SUPPLY WELL INFORMATION WAS OBTAINED FROM A LIST PROVIDED BY DUKE ENERGY PROGRESS 2.14 CONCENTRATION IN µg/L ANTIMONY ISOPLETH IN µg/L (IMAC STANDARD = 1 µg/L) CONCENTRATION IS NON-DETECT (ND) / NOT AVAILABLE (NA) GENERALIZED WATER TABLE ASH ASH PORE WATER LITHOLOGIC CONTACT MW-16BR MW-16D MW-16S MW-12S ABMW-2 MY-1001 WELL IN TRANSITION ZONE WELL IN SAPROLITE MATERIAL WELL IN ALLUVIUM MATERIAL WELL IN COMPETENT BEDROCK WELL IN ASH PORE WATER WATER SUPPLY WELL GENERALIZED GROUNDWATER FLOW DIRECTION GENERALIZED SUBSURFACE ASH PORE WATER FLOW DIRECTION BEDROCK NOTES 1.MOST RECENT DATA AVAILABLE THROUGH JULY 2017. 2.THE INTERIM MAXIMUM ALLOWABLE CONCENTRATION (IMAC) FOR ANTIMONY IS 1 μg/L. 3.BACKGROUND CONCENTRATION FOR ANTIMONY IS 1 μg/L WITHIN THE TRANSITION ZONE AND BEDROCK FLOW LAYERS. 4.ALL VERTICAL ELEVATIONS ARE MEASURED IN FEET, NORTH AMERICA VERTICAL DATUM (NAVD) OF 1988. LEGEND PROGRESS ND/NA ND ND ND3.19 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY: CRAIG EADY DATE:CHRISTINA NEWELL BB_ANTIMONY 09/14/2017 FIGURE 11-34 ANTIMONY ANALYTICAL RESULTS CROSS SECTION B-B' ROXBORO STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC SEMORA, NORTH CAROLINA VERTICAL EXAGGERATION 5X BEDROCK DUKE ENERGY ROXBORO STEAM ELECTRIC PLANT PROPERTY GRAVEL ROADASH WATER ELEVATION=446' B'B (NORTH)(SOUTH) 10/28/2017 5:24 PM P:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\43.Revised CSA Guidance\DWG\DE ROXBORO CROSS-SECTIONS A-D Analytical V2.dwg ASH BASIN COMPLIANCE BOUNDARY ASHABMW-1GRAVEL ROADWAB EXTENSION IMPOUNDMENT HEATED WATER DISCHARGE POND ASH WATER ELEVATION=462' ASH BASIN POND WATER ELEVATION=412'ABMW-1BRABMW-2ABMW-2BRFILTER DIKE WEST ASH BASIN MAIN DAM OUTLET STRUCTURE BEDROCK BEDROCK BEDROCK REGOLITH/PWR REGOLITH/PWR 0 125 250 500 HORIZONTAL SCALE: 1" = 500' VERTICAL SCALE: 1" = 100' 5X VERTICAL EXAGGERATION ASH BASIN WASTE BOUNDARY HISTORIC GROUND SURFACE BASED ON THE 7-1/2' USGS TOPOGRAPHIC MAP FOR CLUSTER SPRINGS, VA DATED 1968. SOURCE INFORMATION: EXISTING GROUND SURFACE BASED ON A DRAWING PROVIDED BY THE WSP GROUP, TITLED "ROXBORO FINAL", DATED JUNE 8, 2015.2.14 CONCENTRATION IN µg/L ANTIMONY ISOPLETH IN µg/L (IMAC STANDARD = 1 µg/L) CONCENTRATION IS NON-DETECT (ND) / NOT AVAILABLE (NA) GENERALIZED WATER TABLE ASH ASH PORE WATER LITHOLOGIC CONTACT MW-16BR MW-16D MW-16S MW-12S ABMW-2 MY-1001 WELL IN TRANSITION ZONE WELL IN SAPROLITE MATERIAL WELL IN ALLUVIUM MATERIAL WELL IN COMPETENT BEDROCK WELL IN ASH PORE WATER WATER SUPPLY WELL GENERALIZED GROUNDWATER FLOW DIRECTION GENERALIZED SUBSURFACE ASH PORE WATER FLOW DIRECTION BEDROCK NOTES 1.MOST RECENT DATA AVAILABLE THROUGH JULY 2017. 2.THE INTERIM MAXIMUM ALLOWABLE CONCENTRATION (IMAC) FOR ANTIMONY IS 1 μg/L. 3.BACKGROUND CONCENTRATION FOR ANTIMONY IS 1 μg/L WITHIN THE TRANSITION ZONE AND BEDROCK FLOW LAYERS. 4.ALL VERTICAL ELEVATIONS ARE MEASURED IN FEET, NORTH AMERICA VERTICAL DATUM (NAVD) OF 1988. LEGEND EAST ASH BASIN DUNNAW A Y R D SE M O R A R D ( H W Y 5 7 )BB' POWER PLANT NOTE: CROSS SECTION B-B' IS LINEAR IN NATURE AND ALL LOCATIONS NOT ALONG THE CROSS SECTION ARE PROJECTED ONTO THE CROSS SECTION. WEST ASH BASIN HYCO LAKE PROGRESS ND/NA STRUCTURAL FILL GYPSUM SOIL COVER STRUCTURAL FILL ND ND 3.8 ND ND ND ND ND ND ASH BASIN WASTE BOUNDARY 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY: CRAIG EADY DATE:CHRISTINA NEWELL CC_ANTIMONY 05/25/2017 FIGURE 11-35 ANTIMONY ANALYTICAL RESULTS CROSS SECTION C-C' ROXBORO STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC SEMORA, NORTH CAROLINA VERTICAL EXAGGERATION 5X DUKE ENERGY ROXBORO STEAM ELECTRIC PLANT PROPERTY C'C (NORTH)(SOUTH) 10/28/2017 5:24 PM P:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\43.Revised CSA Guidance\DWG\DE ROXBORO CROSS-SECTIONS A-D Analytical V2.dwgGPMW-2DGPMW-2BRRAILROAD TRACKSCOOLING WATERINTAKE CANALGRAVEL ROADPONDMW-22DMW-22BRMW-22BRLGMW-11MW-13BRMW-19BRLGRAVEL ROADGRAVEL ROADRO3ASH ASH RESIDENCEROADBEDROCK BEDROCK BEDROCK BEDROCK REGOLITH REGOLITH ASH BASIN COMPLIANCE BOUNDARY INDUSTRIAL LANDFILL APPROXIMATE PHASE 1-5 LINER ELEVATION EAST ASH BASIN DUNNAW A Y R D SE M O R A R D ( H W Y 5 7 )CC' POWER PLANT 0 125 250 500 HORIZONTAL SCALE: 1" = 500' VERTICAL SCALE: 1" = 100' 5X VERTICAL EXAGGERATION NOTE: CROSS SECTION C-C' IS LINEAR IN NATURE AND ALL LOCATIONS NOT ALONG THE CROSS SECTION ARE PROJECTED ONTO THE CROSS SECTION. WEST ASH BASIN HYCO LAKE APPROXIMATE PHASE 6 LINER ELEVATION HISTORIC GROUND SURFACE BASED ON THE 7-1/2' USGS TOPOGRAPHIC MAP FOR CLUSTER SPRINGS, VA DATED 1968. SOURCE INFORMATION: EXISTING GROUND SURFACE BASED ON A DRAWING PROVIDED BY THE WSP GROUP, TITLED "ROXBORO FINAL", DATED JUNE 8, 2015. WATER SUPPLY WELL INFORMATION WAS OBTAINED FROM A LIST PROVIDED BY DUKE ENERGY PROGRESS. CONCENTRATION IS NON-DETECT (ND) / NOT AVAILABLE (NA) GENERALIZED WATER TABLE ASH ASH PORE WATER LITHOLOGIC CONTACT MW-16BR MW-16D MW-16S MW-12S ABMW-2 MY-1001 WELL IN TRANSITION ZONE WELL IN SAPROLITE MATERIAL WELL IN ALLUVIUM MATERIAL WELL IN COMPETENT BEDROCK WELL IN ASH PORE WATER WATER SUPPLY WELL GENERALIZED GROUNDWATER FLOW DIRECTION GENERALIZED SUBSURFACE ASH PORE WATER FLOW DIRECTION BEDROCK NOTES 1.MOST RECENT DATA AVAILABLE THROUGH JULY 2017. 2.THE INTERIM MAXIMUM ALLOWABLE CONCENTRATION (IMAC) FOR ANTIMONY IS 1 μg/L. 3.BACKGROUND CONCENTRATION FOR ANTIMONY IS 1 μg/L WITHIN THE TRANSITION ZONE AND 4.ALL VERTICAL ELEVATIONS ARE MEASURED IN FEET, NORTH AMERICA VERTICAL DATUM (NAVD) OF 1988. LEGEND PROGRESS ND/NA ANTIMONY ISOPLETH IN µg/L (IMAC STANDARD = 1 µg/L) 1 REGOLITH EAB EXTENSION IMPOUNDMENT EAB SEPARATOR DIKE ND ND ND ND ND ND ND NA COOLING TOWER POND WATER ELEVATION=409' SOIL ASH PORE WATER APPROXIMATE LINER ELEVATION INDUSTRIAL LANDFILL DUKE ENERGY ROXBORO STEAM ELECTRIC PLANT PROPERTY ASH BASIN WASTE BOUNDARY ASH BASIN COMPLIANCE BOUNDARY NA 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY: CRAIG EADY DATE:CHRISTINA NEWELL DD_ANTIMONY 09/14/2017 10/28/2017 5:24 PM P:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\43.Revised CSA Guidance\DWG\DE ROXBORO CROSS-SECTIONS A-D Analytical V2.dwg FIGURE 11-36 ANTIMONY ANALYTICAL RESULTS CROSS SECTION D-D' ROXBORO STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC SEMORA, NORTH CAROLINARO4DW-26McGHESS MILL RDVERTICAL EXAGGERATION 5X BEDROCKDIRT ROADMW-17BRPZ-12GMW-6GMW-2GRAVEL ROADGRAVEL ROADASH WATER ELEVATION=465' DD' (SOUTHEAST)(NORTHWEST)RESIDENCERESIDENCERESIDENCEMW-20BRLRO13DW-21RO7DW-25MW-24BRMW-20BRL ARTESIAN WELL BEDROCK BEDROCK BEDROCK ASH GMW-2ABEDROCK EAST ASH BASIN DUNNAW A Y R D SE M O R A R D ( H W Y 5 7 ) D D' POWER PLANT 0 125 250 500 HORIZONTAL SCALE: 1" = 500' VERTICAL SCALE: 1" = 100' 5X VERTICAL EXAGGERATION NOTE: CROSS SECTION D-D' IS LINEAR IN NATURE AND ALL LOCATIONS NOT ALONG THE CROSS SECTION ARE PROJECTED ONTO THE CROSS SECTION. WEST ASH BASIN HYCO LAKE HISTORIC GROUND SURFACE BASED ON THE 7-1/2' USGS TOPOGRAPHIC MAP FOR CLUSTER SPRINGS, VA DATED 1968. SOURCE INFORMATION: EXISTING GROUND SURFACE BASED ON A DRAWING PROVIDED BY THE WSP GROUP, TITLED "ROXBORO FINAL", DATED JUNE 8, 2015. WATER SUPPLY WELL INFORMATION WAS OBTAINED FROM A LIST PROVIDED BY DUKE ENERGY PROGRESS. ND/NA CONCENTRATION IS NON-DETECT (ND)/NOT AVAILABLE (NA) GENERALIZED WATER TABLE ASH ASH PORE WATER LITHOLOGIC CONTACT MW-16BR MW-16D MW-16S MW-12S ABMW-2 MY-1001 WELL IN TRANSITION ZONE WELL IN SAPROLITE MATERIAL WELL IN ALLUVIUM MATERIAL WELL IN COMPETENT BEDROCK WELL IN ASH PORE WATER WATER SUPPLY WELL GENERALIZED GROUNDWATER FLOW DIRECTION GENERALIZED SUBSURFACE ASH PORE WATER FLOW DIRECTION BEDROCK NOTES 1.MOST RECENT DATA AVAILABLE THROUGH JULY 2017. 2.THE INTERIM MAXIMUM ALLOWABLE CONCENTRATION (IMAC) FOR ANTIMONY IS 1 μg/L. 3.BACKGROUND CONCENTRATION FOR ANTIMONY IS 1 μg/L WITHIN THE TRANSITION ZONE AND BEDROCK FLOW LAYERS. 4.ALL VERTICAL ELEVATIONS ARE MEASURED IN FEET, NORTH AMERICA VERTICAL DATUM (NAVD) OF 1988. LEGEND PROGRESS ND ND 252 4650 488 ND 101 ND ND ND 747 256 12400 ND ND ND 700 700 700 NA 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY: CRAIG EADY DATE:CHRISTINA NEWELL AA_BORON 09/14/2017 10/28/2017 5:24 PM P:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\43.Revised CSA Guidance\DWG\DE ROXBORO CROSS-SECTIONS A-D Analytical V2.dwg FIGURE 11-37 BORON ANALYTICAL RESULTS CROSS SECTION A-A' ROXBORO STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC SEMORA, NORTH CAROLINA RO10DW-46 &DW-47BG-1BRLBG-1BREFFLUENTEFFLUENTDISCHARGE CANALBIO-REACTOR BUILDINGGRAVEL ROADGRAVEL ROADWEST FGD POND EAST FGD POND ASPHALT ROADABMW-3BRHEATED WATER DISCHARGE CANALPLANT ELECTRIC SUBSTATION ASH BASIN WASTE BOUNDARY ASH BASIN COMPLIANCE BOUNDARY SEMORA RDDUKE ENERGY ROXBORO STEAM ELECTRIC PLANT PROPERTY VERTICAL EXAGGERATION 5X WOODLANDELEMENTARY SCHOOLABMW-3BRLASH ASH/SOIL REGOLITH REGOLITH ASH ASH PORE WATER BEDROCKBEDROCK BEDROCKSTEAM ELECTRIC PLANTGRAVEL ROADA'A (NORTH)(SOUTH)MW-5BRMW-5DSLUICE PIPE TRENCH DIRT ROADABMW-3CW-5ABMW-1BRABMW-1BG-2BG-1BRLRMW-32BRMW-6BRMW-6DEAST ASH BASIN DUNNAW A Y R DA'APOWER PLANT NOTE: CROSS SECTION A-A' IS LINEAR IN NATURE AND ALL LOCATIONS NOT ALONG THE CROSS SECTION ARE PROJECTED ONTO THE CROSS SECTION. WEST ASH BASIN HYCO LAKE 0 125 250 500 HORIZONTAL SCALE: 1" = 500' VERTICAL SCALE: 1" = 100' 5X VERTICAL EXAGGERATION HISTORIC GROUND SURFACE BASED ON THE 7-1/2' USGS TOPOGRAPHIC MAP FOR CLUSTER SPRINGS, VA DATED 1968. SOURCE INFORMATION: EXISTING GROUND SURFACE BASED ON A DRAWING PROVIDED BY THE WSP GROUP, TITLED "ROXBORO FINAL", DATED JUNE 8, 2015. WATER SUPPLY WELL INFORMATION WAS OBTAINED FROM A LIST PROVIDED BY DUKE ENERGY PROGRESS.488 CONCENTRATION IN µg/L BORON ISOPLETH IN µg/L (2L STANDARD = 700 µg/L) CONCENTRATION IS NON-DETECT (ND) / NOT AVAILABLE (NA) GENERALIZED WATER TABLE ASH ASH PORE WATER LITHOLOGIC CONTACT MW-16BR MW-16D MW-16S MW-12S ABMW-2 MY-1001 WELL IN TRANSITION ZONE WELL IN SAPROLITE MATERIAL WELL IN ALLUVIUM MATERIAL WELL IN COMPETENT BEDROCK WELL IN ASH PORE WATER WATER SUPPLY WELL GENERALIZED GROUNDWATER FLOW DIRECTION GENERALIZED SUBSURFACE ASH PORE WATER FLOW DIRECTION BEDROCK NOTES 1.MOST RECENT DATA AVAILABLE THROUGH JULY 2017. 2.THE NORTH CAROLINA 2L FOR BORON IS 700 μg/L. 3.BACKGROUND CONCENTRATION FOR BORON IS 50 μg/L WITHIN THE TRANSITION ZONE AND BEDROCK FLOW LAYERS. 4.ALL VERTICAL ELEVATIONS ARE MEASURED IN FEET, NORTH AMERICA VERTICAL DATUM (NAVD) OF 1988. LEGEND PROGRESS SE M O R A R D (H W Y 5 7 ) ND/NA 488 ND 12400 1930 700 700 700 700 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY: CRAIG EADY DATE:CHRISTINA NEWELL BB_BORON 09/14/2017 FIGURE 11-38 BORON ANALYTICAL RESULTS CROSS SECTION B-B' ROXBORO STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC SEMORA, NORTH CAROLINA VERTICAL EXAGGERATION 5X BEDROCK ASH BASIN COMPLIANCE BOUNDARY DUKE ENERGY ROXBORO STEAM ELECTRIC PLANT PROPERTY GRAVEL ROADASH WATER ELEVATION=446' B'B (NORTH)(SOUTH) 10/28/2017 5:24 PM P:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\43.Revised CSA Guidance\DWG\DE ROXBORO CROSS-SECTIONS A-D Analytical V2.dwg ASHABMW-1GRAVEL ROADWAB EXTENSION IMPOUNDMENT HEATED WATER DISCHARGE POND ASH WATER ELEVATION=462' ASH BASIN POND WATER ELEVATION=412'ABMW-1BRABMW-2ABMW-2BRFILTER DIKE WEST ASH BASIN MAIN DAM OUTLET STRUCTURE BEDROCK BEDROCK BEDROCK REGOLITH/PWR REGOLITH/PWR 0 125 250 500 HORIZONTAL SCALE: 1" = 500' VERTICAL SCALE: 1" = 100' 5X VERTICAL EXAGGERATION ASH BASIN WASTE BOUNDARY HISTORIC GROUND SURFACE BASED ON THE 7-1/2' USGS TOPOGRAPHIC MAP FOR CLUSTER SPRINGS, VA DATED 1968. SOURCE INFORMATION: EXISTING GROUND SURFACE BASED ON A DRAWING PROVIDED BY THE WSP GROUP, TITLED "ROXBORO FINAL", DATED JUNE 8, 2015.488 CONCENTRATION IN µg/L BORON ISOPLETH IN µg/L (2L STANDARD = 700 µg/L) CONCENTRATION IS NON-DETECT (ND) / NOT AVAILABLE (NA) GENERALIZED WATER TABLE ASH ASH PORE WATER LITHOLOGIC CONTACT MW-16BR MW-16D MW-16S MW-12S ABMW-2 MY-1001 WELL IN TRANSITION ZONE WELL IN SAPROLITE MATERIAL WELL IN ALLUVIUM MATERIAL WELL IN COMPETENT BEDROCK WELL IN ASH PORE WATER WATER SUPPLY WELL GENERALIZED GROUNDWATER FLOW DIRECTION GENERALIZED SUBSURFACE ASH PORE WATER FLOW DIRECTION BEDROCK NOTES 1.MOST RECENT DATA AVAILABLE THROUGH JULY 2017. 2.THE NORTH CAROLINA 2L FOR BORON IS 700 μg/L. 3.BACKGROUND CONCENTRATION FOR BORON IS 50 μg/L WITHIN THE TRANSITION ZONE AND BEDROCK FLOW LAYERS. 4.ALL VERTICAL ELEVATIONS ARE MEASURED IN FEET, NORTH AMERICA VERTICAL DATUM (NAVD) OF 1988. LEGEND EAST ASH BASIN DUNNAW A Y R D SE M O R A R D ( H W Y 5 7 )BB' POWER PLANT NOTE: CROSS SECTION B-B' IS LINEAR IN NATURE AND ALL LOCATIONS NOT ALONG THE CROSS SECTION ARE PROJECTED ONTO THE CROSS SECTION. WEST ASH BASIN HYCO LAKE PROGRESS ND/NA STRUCTURAL FILL GYPSUM SOIL COVER STRUCTURAL FILL ND 2360 ND ND 558 458 3380 700 700 700 ND ASH BASIN WASTE BOUNDARY (83) 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY: CRAIG EADY DATE:CHRISTINA NEWELL CC_BORON 05/25/2017 FIGURE 11-39 BORON ANALYTICAL RESULTS CROSS SECTION C-C' ROXBORO STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC SEMORA, NORTH CAROLINA VERTICAL EXAGGERATION 5X DUKE ENERGY ROXBORO STEAM ELECTRIC PLANT PROPERTY C'C (NORTH)(SOUTH) 10/28/2017 5:24 PM P:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\43.Revised CSA Guidance\DWG\DE ROXBORO CROSS-SECTIONS A-D Analytical V2.dwgGPMW-2DGPMW-2BRRAILROAD TRACKSCOOLING WATERINTAKE CANALGRAVEL ROADPONDMW-22DMW-22BRMW-22BRLGMW-11MW-13BRMW-19BRLGRAVEL ROADGRAVEL ROADRO3ASH ASH RESIDENCEROADBEDROCK BEDROCK BEDROCK BEDROCK REGOLITH REGOLITH ASH BASIN COMPLIANCE BOUNDARY INDUSTRIAL LANDFILL APPROXIMATE PHASE 1-5 LINER ELEVATION EAST ASH BASIN DUNNAW A Y R D SE M O R A R D ( H W Y 5 7 )CC' POWER PLANT 0 125 250 500 HORIZONTAL SCALE: 1" = 500' VERTICAL SCALE: 1" = 100' 5X VERTICAL EXAGGERATION NOTE: CROSS SECTION C-C' IS LINEAR IN NATURE AND ALL LOCATIONS NOT ALONG THE CROSS SECTION ARE PROJECTED ONTO THE CROSS SECTION. WEST ASH BASIN HYCO LAKE APPROXIMATE PHASE 6 LINER ELEVATION HISTORIC GROUND SURFACE BASED ON THE 7-1/2' USGS TOPOGRAPHIC MAP FOR CLUSTER SPRINGS, VA DATED 1968. SOURCE INFORMATION: EXISTING GROUND SURFACE BASED ON A DRAWING PROVIDED BY THE WSP GROUP, TITLED "ROXBORO FINAL", DATED JUNE 8, 2015. WATER SUPPLY WELL INFORMATION WAS OBTAINED FROM A LIST PROVIDED BY DUKE ENERGY PROGRESS. 488 CONCENTRATION IN µg/L BORON ISOPLETH IN µg/L (2L STANDARD = 700 µg/L) CONCENTRATION IS NON-DETECT (ND) / NOT AVAILABLE (NA) GENERALIZED WATER TABLE ASH ASH PORE WATER LITHOLOGIC CONTACT MW-16BR MW-16D MW-16S MW-12S ABMW-2 MY-1001 WELL IN TRANSITION ZONE WELL IN SAPROLITE MATERIAL WELL IN ALLUVIUM MATERIAL WELL IN COMPETENT BEDROCK WELL IN ASH PORE WATER WATER SUPPLY WELL GENERALIZED GROUNDWATER FLOW DIRECTION GENERALIZED SUBSURFACE ASH PORE WATER FLOW DIRECTION BEDROCK NOTESLEGEND PROGRESS ND/NA 1.MOST RECENT DATA AVAILABLE THROUGH JULY 2017. 2.THE NORTH CAROLINA 2L FOR BORON IS 700 μg/L.. 3.BACKGROUND CONCENTRATION FOR BORON IS 50 μg/L WITHIN THE TRANSITION ZONE AND BEDROCK FLOW LAYERS. 4.ALL VERTICAL ELEVATIONS ARE MEASURED IN FEET, NORTH AMERICA VERTICAL DATUM (NAVD) OF 1988. 5.(83 μg/L) INFERRED CONCENTRATION FROM SAMPLE WITH pH 78.5. REGOLITH EAB EXTENSION IMPOUNDMENT EAB SEPARATOR DIKE 2420 ND ND ND 700 ND ND ND 700 700 NA COOLING TOWER POND WATER ELEVATION=409' SOIL ASH PORE WATER APPROXIMATE LINER ELEVATION INDUSTRIAL LANDFILL DUKE ENERGY ROXBORO STEAM ELECTRIC PLANT PROPERTY ASH BASIN WASTE BOUNDARY ASH BASIN COMPLIANCE BOUNDARY NA 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY: CRAIG EADY DATE:CHRISTINA NEWELL DD_BORON 09/14/2017 10/28/2017 5:24 PM P:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\43.Revised CSA Guidance\DWG\DE ROXBORO CROSS-SECTIONS A-D Analytical V2.dwg FIGURE 11-40 BORON ANALYTICAL RESULTS CROSS SECTION D-D' ROXBORO STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC SEMORA, NORTH CAROLINARO4DW-26McGHESS MILL RDVERTICAL EXAGGERATION 5X BEDROCKDIRT ROADMW-17BRPZ-12GMW-6GMW-2GRAVEL ROADGRAVEL ROADASH WATER ELEVATION=465' DD' (SOUTHEAST)(NORTHWEST)RESIDENCERESIDENCERESIDENCEMW-20BRLRO13DW-21RO7DW-25MW-24BRMW-20BRL ARTESIAN WELL BEDROCK BEDROCK BEDROCK ASH GMW-2ABEDROCK EAST ASH BASIN DUNNAW A Y R D SE M O R A R D ( H W Y 5 7 ) D D' POWER PLANT 0 125 250 500 HORIZONTAL SCALE: 1" = 500' VERTICAL SCALE: 1" = 100' 5X VERTICAL EXAGGERATION NOTE: CROSS SECTION D-D' IS LINEAR IN NATURE AND ALL LOCATIONS NOT ALONG THE CROSS SECTION ARE PROJECTED ONTO THE CROSS SECTION. WEST ASH BASIN HYCO LAKE HISTORIC GROUND SURFACE BASED ON THE 7-1/2' USGS TOPOGRAPHIC MAP FOR CLUSTER SPRINGS, VA DATED 1968. SOURCE INFORMATION: EXISTING GROUND SURFACE BASED ON A DRAWING PROVIDED BY THE WSP GROUP, TITLED "ROXBORO FINAL", DATED JUNE 8, 2015. WATER SUPPLY WELL INFORMATION WAS OBTAINED FROM A LIST PROVIDED BY DUKE ENERGY PROGRESS. 488 ND/NA CONCENTRATION IN µg/L BORON ISOPLETH IN µg/L (2L STANDARD = 700 µg/L) CONCENTRATION IS NON-DETECT (ND)/NOT AVAILABLE (NA) GENERALIZED WATER TABLE ASH ASH PORE WATER LITHOLOGIC CONTACT MW-16BR MW-16D MW-16S MW-12S ABMW-2 MY-1001 WELL IN TRANSITION ZONE WELL IN SAPROLITE MATERIAL WELL IN ALLUVIUM MATERIAL WELL IN COMPETENT BEDROCK WELL IN ASH PORE WATER WATER SUPPLY WELL GENERALIZED GROUNDWATER FLOW DIRECTION GENERALIZED SUBSURFACE ASH PORE WATER FLOW DIRECTION BEDROCK NOTES 1.MOST RECENT DATA AVAILABLE THROUGH JULY 2017. 2.THE NORTH CAROLINA 2L FOR BORON IS 700 μg/L. 3.BACKGROUND CONCENTRATION FOR BORON IS 50 μg/L WITHIN THE TRANSITION ZONE AND BEDROCK FLOW LAYERS. 4.ALL VERTICAL ELEVATIONS ARE MEASURED IN FEET, NORTH AMERICA VERTICAL DATUM (NAVD) OF 1988. LEGEND PROGRESS VI: 0.052 T: ND VI: 0.07 T: ND VI: 0.29 T: ND VI: 0.027 T: ND VI: 0.86 T: ND VI: ND T: 3.36 VI: 0.13 T: ND VI: ND T: ND VI: 0.24 T: ND VI: 0.86 T: ND VI: 0.033 T: 7.48 VI: ND T: 3.56 VI: 0.054 T: 4.44 VI: ND T: 2.83 VI: NA T: ND VI: NA T: ND NA 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY: CRAIG EADY DATE:CHRISTINA NEWELL AA_CHROMIUM (VI & TOTAL) 09/14/2017 10/28/2017 5:24 PM P:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\43.Revised CSA Guidance\DWG\DE ROXBORO CROSS-SECTIONS A-D Analytical V2.dwg FIGURE 11-41 HEXAVALENT AND TOTAL CHROMIUM ANALYTICAL RESULTS CROSS SECTION A-A' ROXBORO STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC SEMORA, NORTH CAROLINA RO10DW-46 &DW-47BG-1BRLBG-1BREFFLUENTDISCHARGE CANALBIO-REACTOR BUILDINGGRAVEL ROADGRAVEL ROADWEST FGD POND EAST FGD POND ASPHALT ROADABMW-3BRHEATED WATER DISCHARGE CANALPLANT ELECTRIC SUBSTATION ASH BASIN WASTE BOUNDARY ASH BASIN COMPLIANCE BOUNDARY SEMORA RDDUKE ENERGY ROXBORO STEAM ELECTRIC PLANT PROPERTY VERTICAL EXAGGERATION 5X WOODLANDELEMENTARY SCHOOLABMW-3BRLASH ASH/SOIL REGOLITH REGOLITH ASH ASH PORE WATER BEDROCKBEDROCK BEDROCKSTEAM ELECTRIC PLANTGRAVEL ROADA'A (NORTH)(SOUTH)MW-5BRMW-5DSLUICE PIPE TRENCH DIRT ROADABMW-3CW-5ABMW-1BRABMW-1BG-2BG-1BRLRMW-32BRMW-6BRMW-6DEAST ASH BASIN DUNNAW A Y R D SE M O R A R D (H W Y 5 7 )A'APOWER PLANT NOTE: CROSS SECTION A-A' IS LINEAR IN NATURE AND ALL LOCATIONS NOT ALONG THE CROSS SECTION ARE PROJECTED ONTO THE CROSS SECTION. WEST ASH BASIN HYCO LAKE 0 125 250 500 HORIZONTAL SCALE: 1" = 500' VERTICAL SCALE: 1" = 100' 5X VERTICAL EXAGGERATION HISTORIC GROUND SURFACE BASED ON THE 7-1/2' USGS TOPOGRAPHIC MAP FOR CLUSTER SPRINGS, VA DATED 1968. SOURCE INFORMATION: EXISTING GROUND SURFACE BASED ON A DRAWING PROVIDED BY THE WSP GROUP, TITLED "ROXBORO FINAL", DATED JUNE 8, 2015. WATER SUPPLY WELL INFORMATION WAS OBTAINED FROM A LIST PROVIDED BY DUKE ENERGY PROGRESS. ND/NA CONCENTRATION IS NON-DETECT (ND) OR NOT AVAILABLE (NA) GENERALIZED WATER TABLE ASH ASH PORE WATER LITHOLOGIC CONTACT MW-16BR MW-16D MW-16S MW-12S ABMW-2 MY-1001 WELL IN TRANSITION ZONE WELL IN SAPROLITE MATERIAL WELL IN ALLUVIUM MATERIAL WELL IN COMPETENT BEDROCK WELL IN ASH PORE WATER WATER SUPPLY WELL GENERALIZED GROUNDWATER FLOW DIRECTION GENERALIZED SUBSURFACE ASH PORE WATER FLOW DIRECTION BEDROCK NOTES 1.MOST RECENT DATA AVAILABLE THROUGH JULY 2017. 2.THE NORTH CAROLINA 2L FOR CHROMIUM (VI & TOTAL) IS 10 μg/L. 3.BACKGROUND CONCENTRATION FOR CHROMIUM (VI) IS 16.1 μg/L WITHIN THE TRANSITION ZONE FLOW LAYER AND 0.19 µg/L WITHIN THE BEDROCK FLOW LAYER. BACKGROUND CONCENTRATION FOR CHROMIUM (TOTAL) IS 24.1 µg/L WITHIN THE TRANSITION ZONE FLOW LAYER AND 3.61 µg/L WITHIN THE BEDROCK FLOW LAYER. 4.ALL VERTICAL ELEVATIONS ARE MEASURED IN FEET, NORTH AMERICA VERTICAL DATUM (NAVD) OF 1988. LEGEND VI: 0.7 T: 1.3 CONCENTRATION IN µg/L (VI = HEXAVALENT RESULT; T = TOTAL RESULT) PROGRESS VI: 0.13 T: ND VI: 0.86 T: ND VI: 0.76 T: ND VI: ND T: ND 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY: CRAIG EADY DATE:CHRISTINA NEWELL BB_CHROMIUM (VI & TOTAL) 09/14/2017 FIGURE 11-42 HEXAVALENT AND TOTAL CHROMIUM ANALYTICAL RESULTS CROSS SECTION B-B' ROXBORO STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC SEMORA, NORTH CAROLINA VERTICAL EXAGGERATION 5X BEDROCK ASH BASIN COMPLIANCE BOUNDARY DUKE ENERGY ROXBORO STEAM ELECTRIC PLANT PROPERTY GRAVEL ROADASH WATER ELEVATION=446' B'B (NORTH)(SOUTH) 10/28/2017 5:24 PM P:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\43.Revised CSA Guidance\DWG\DE ROXBORO CROSS-SECTIONS A-D Analytical V2.dwg ASHABMW-1GRAVEL ROADWAB EXTENSION IMPOUNDMENT HEATED WATER DISCHARGE POND ASH WATER ELEVATION=462' ASH BASIN POND WATER ELEVATION=412'ABMW-1BRABMW-2ABMW-2BRFILTER DIKE WEST ASH BASIN MAIN DAM OUTLET STRUCTURE BEDROCK BEDROCK BEDROCK REGOLITH/PWR REGOLITH/PWR 0 125 250 500 HORIZONTAL SCALE: 1" = 500' VERTICAL SCALE: 1" = 100' 5X VERTICAL EXAGGERATION ASH BASIN WASTE BOUNDARY HISTORIC GROUND SURFACE BASED ON THE 7-1/2' USGS TOPOGRAPHIC MAP FOR CLUSTER SPRINGS, VA DATED 1968. SOURCE INFORMATION: EXISTING GROUND SURFACE BASED ON A DRAWING PROVIDED BY THE WSP GROUP, TITLED "ROXBORO FINAL", DATED JUNE 8, 2015. CONCENTRATION IS NON-DETECT (ND) / NOT AVAILABLE (NA) GENERALIZED WATER TABLE ASH ASH PORE WATER LITHOLOGIC CONTACT MW-16BR MW-16D MW-16S MW-12S ABMW-2 MY-1001 WELL IN TRANSITION ZONE WELL IN SAPROLITE MATERIAL WELL IN ALLUVIUM MATERIAL WELL IN COMPETENT BEDROCK WELL IN ASH PORE WATER WATER SUPPLY WELL GENERALIZED GROUNDWATER FLOW DIRECTION GENERALIZED SUBSURFACE ASH PORE WATER FLOW DIRECTION BEDROCK NOTES 1.MOST RECENT DATA AVAILABLE THROUGH JULY 2017. 2.THE NORTH CAROLINA 2L FOR CHROMIUM (VI & TOTAL) IS 10 μg/L. 3.BACKGROUND CONCENTRATION FOR CHROMIUM (VI) IS 16.1 μg/L WITHIN THE TRANSITION ZONE FLOW LAYER AND 0.19 µg/L WITHIN THE BEDROCK FLOW LAYER. BACKGROUND CONCENTRATION FOR CHROMIUM (TOTAL) IS 24.1 µg/L WITHIN THE TRANSITION ZONE FLOW LAYER AND 3.61 µg/L WITHIN THE BEDROCK FLOW LAYER. 4.ALL VERTICAL ELEVATIONS ARE MEASURED IN FEET, NORTH AMERICA VERTICAL DATUM (NAVD) OF 1988. LEGEND VI: 0.7 T: 1.3 CONCENTRATION IN µg/L (VI = HEXAVALENT RESULT; T = TOTAL RESULT) EAST ASH BASIN DUNNAW A Y R D SE M O R A R D ( H W Y 5 7 )BB' POWER PLANT NOTE: CROSS SECTION B-B' IS LINEAR IN NATURE AND ALL LOCATIONS NOT ALONG THE CROSS SECTION ARE PROJECTED ONTO THE CROSS SECTION. WEST ASH BASIN HYCO LAKE PROGRESS ND/NA STRUCTURAL FILL GYPSUM SOIL COVER STRUCTURAL FILL VI: 0.032 T: ND VI: 0.11 T: ND VI: 0.077 T: ND VI: ND T: ND VI: 0.13 T: ND VI: ND T: ND VI: 0.67 T: ND VI: 1.4 T: 2.78 VI: NA T: ND ASH BASIN WASTE BOUNDARY 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY: CRAIG EADY DATE:CHRISTINA NEWELL CC_CHROMIUM (VI & TOTAL) 05/25/2017 FIGURE 11-43 HEXAVALENT AND TOTAL CHROMIUM ANALYTICAL RESULTS CROSS SECTION C-C' ROXBORO STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC SEMORA, NORTH CAROLINA VERTICAL EXAGGERATION 5X DUKE ENERGY ROXBORO STEAM ELECTRIC PLANT PROPERTY C'C (NORTH)(SOUTH) 10/28/2017 5:24 PM P:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\43.Revised CSA Guidance\DWG\DE ROXBORO CROSS-SECTIONS A-D Analytical V2.dwgGPMW-2DGPMW-2BRRAILROAD TRACKSCOOLING WATERINTAKE CANALGRAVEL ROADPONDMW-22DMW-22BRMW-22BRLGMW-11MW-13BRMW-19BRLGRAVEL ROADGRAVEL ROADRO3ASH ASH RESIDENCEROADBEDROCK BEDROCK BEDROCK BEDROCK REGOLITH REGOLITH ASH BASIN COMPLIANCE BOUNDARY INDUSTRIAL LANDFILL APPROXIMATE PHASE 1-5 LINER ELEVATION EAST ASH BASIN DUNNAW A Y R D SE M O R A R D ( H W Y 5 7 )CC' POWER PLANT 0 125 250 500 HORIZONTAL SCALE: 1" = 500' VERTICAL SCALE: 1" = 100' 5X VERTICAL EXAGGERATION NOTE: CROSS SECTION C-C' IS LINEAR IN NATURE AND ALL LOCATIONS NOT ALONG THE CROSS SECTION ARE PROJECTED ONTO THE CROSS SECTION. WEST ASH BASIN HYCO LAKE APPROXIMATE PHASE 6 LINER ELEVATION HISTORIC GROUND SURFACE BASED ON THE 7-1/2' USGS TOPOGRAPHIC MAP FOR CLUSTER SPRINGS, VA DATED 1968. SOURCE INFORMATION: EXISTING GROUND SURFACE BASED ON A DRAWING PROVIDED BY THE WSP GROUP, TITLED "ROXBORO FINAL", DATED JUNE 8, 2015. WATER SUPPLY WELL INFORMATION WAS OBTAINED FROM A LIST PROVIDED BY DUKE ENERGY PROGRESS. CONCENTRATION IS NON-DETECT (ND) / NOT AVAILABLE (NA) GENERALIZED WATER TABLE ASH ASH PORE WATER LITHOLOGIC CONTACT MW-16BR MW-16D MW-16S MW-12S ABMW-2 MY-1001 WELL IN TRANSITION ZONE WELL IN SAPROLITE MATERIAL WELL IN ALLUVIUM MATERIAL WELL IN COMPETENT BEDROCK WELL IN ASH PORE WATER WATER SUPPLY WELL GENERALIZED GROUNDWATER FLOW DIRECTION GENERALIZED SUBSURFACE ASH PORE WATER FLOW DIRECTION BEDROCK NOTES 1.MOST RECENT DATA AVAILABLE THROUGH JULY 2017. 2.THE NORTH CAROLINA 2L FOR CHROMIUM (VI & TOTAL) IS 10 μg/L. 3.BACKGROUND CONCENTRATION FOR CHROMIUM (VI) IS 16.1 μg/L WITHIN THE TRANSITION ZONE FLOW LAYER AND 0.19 µg/L WITHIN THE BEDROCK FLOW LAYER. BACKGROUND CONCENTRATION FOR CHROMIUM (TOTAL) IS 24.1 µg/L WITHIN THE TRANSITION ZONE FLOW LAYER AND 3.61 µg/L WITHIN THE BEDROCK FLOW LAYER. 4.ALL VERTICAL ELEVATIONS ARE MEASURED IN FEET, NORTH AMERICA VERTICAL DATUM (NAVD) OF 1988. LEGEND VI: 0.7 T: 1.3 CONCENTRATION IN µg/L (VI = HEXAVALENT RESULT; T = TOTAL RESULT) PROGRESS ND/NA REGOLITH EAB EXTENSION IMPOUNDMENT EAB SEPARATOR DIKE VI: 0.78 T: ND VI: ND T: ND VI: 0.071 T: ND VI: 0.74 T: ND VI: NA T: 2.7 VI: NA T: 6.2 VI: NA T: 1.3 VI: NA T: NA COOLING TOWER POND WATER ELEVATION=409' SOIL ASH PORE WATER APPROXIMATE LINER ELEVATION INDUSTRIAL LANDFILL DUKE ENERGY ROXBORO STEAM ELECTRIC PLANT PROPERTY ASH BASIN WASTE BOUNDARY ASH BASIN COMPLIANCE BOUNDARY NA 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY: CRAIG EADY DATE:CHRISTINA NEWELL DD_CHROMIUM (VI & TOTAL) 09/14/2017 10/28/2017 5:24 PM P:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\43.Revised CSA Guidance\DWG\DE ROXBORO CROSS-SECTIONS A-D Analytical V2.dwg FIGURE 11-44 HEXAVALENT AND TOTAL CHROMIUM ANALYTICAL RESULTS CROSS SECTION D-D' ROXBORO STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC SEMORA, NORTH CAROLINARO4DW-26McGHESS MILL RDVERTICAL EXAGGERATION 5X BEDROCKDIRT ROADMW-17BRPZ-12GMW-6GMW-2GRAVEL ROADGRAVEL ROADASH WATER ELEVATION=465' DD' (SOUTHEAST)(NORTHWEST)RESIDENCERESIDENCERESIDENCEMW-20BRLRO13DW-21RO7DW-25MW-24BRMW-20BRL ARTESIAN WELL BEDROCK BEDROCK BEDROCK ASH GMW-2ABEDROCK EAST ASH BASIN DUNNAW A Y R D SE M O R A R D ( H W Y 5 7 ) D D' POWER PLANT 0 125 250 500 HORIZONTAL SCALE: 1" = 500' VERTICAL SCALE: 1" = 100' 5X VERTICAL EXAGGERATION NOTE: CROSS SECTION D-D' IS LINEAR IN NATURE AND ALL LOCATIONS NOT ALONG THE CROSS SECTION ARE PROJECTED ONTO THE CROSS SECTION. WEST ASH BASIN HYCO LAKE HISTORIC GROUND SURFACE BASED ON THE 7-1/2' USGS TOPOGRAPHIC MAP FOR CLUSTER SPRINGS, VA DATED 1968. SOURCE INFORMATION: EXISTING GROUND SURFACE BASED ON A DRAWING PROVIDED BY THE WSP GROUP, TITLED "ROXBORO FINAL", DATED JUNE 8, 2015. WATER SUPPLY WELL INFORMATION WAS OBTAINED FROM A LIST PROVIDED BY DUKE ENERGY PROGRESS. 488 ND/NA CONCENTRATION IN µg/L CONCENTRATION IS NON-DETECT (ND/NOT AVAILABLE (NA) GENERALIZED WATER TABLE ASH ASH PORE WATER LITHOLOGIC CONTACT MW-16BR MW-16D MW-16S MW-12S ABMW-2 MY-1001 WELL IN TRANSITION ZONE WELL IN SAPROLITE MATERIAL WELL IN ALLUVIUM MATERIAL WELL IN COMPETENT BEDROCK WELL IN ASH PORE WATER WATER SUPPLY WELL GENERALIZED GROUNDWATER FLOW DIRECTION GENERALIZED SUBSURFACE ASH PORE WATER FLOW DIRECTION BEDROCK NOTES 1.MOST RECENT DATA AVAILABLE THROUGH JULY 2017. 2.THE NORTH CAROLINA 2L FOR CHROMIUM (VI & TOTAL) IS 10 μg/L. 3.BACKGROUND CONCENTRATION FOR CHROMIUM (VI) IS 16.1 μg/L WITHIN THE TRANSITION ZONE FLOW LAYER AND 0.19 µg/L WITHIN THE BEDROCK FLOW LAYER. BACKGROUND CONCENTRATION FOR CHROMIUM (TOTAL) IS 24.1 µg/L WITHIN THE TRANSITION ZONE FLOW LAYER AND 3.61 µg/L WITHIN THE BEDROCK FLOW LAYER. 4.ALL VERTICAL ELEVATIONS ARE MEASURED IN FEET, NORTH AMERICA VERTICAL DATUM (NAVD) OF 1988. LEGEND PROGRESS ND ND ND ND 2.45 121 128 ND ND ND ND ND ND ND ND ND 1 1 1 NA 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY: CRAIG EADY DATE:CHRISTINA NEWELL AA_COBALT 09/14/2017 10/28/2017 5:25 PM P:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\43.Revised CSA Guidance\DWG\DE ROXBORO CROSS-SECTIONS A-D Analytical V2.dwg FIGURE 11-45 COBALT ANALYTICAL RESULTS CROSS SECTION A-A' ROXBORO STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC SEMORA, NORTH CAROLINA RO10DW-46 &DW-47BG-1BRLBG-1BREFFLUENTDISCHARGE CANALBIO-REACTOR BUILDINGGRAVEL ROADGRAVEL ROADWEST FGD POND EAST FGD POND ASPHALT ROADABMW-3BRHEATED WATER DISCHARGE CANALPLANT ELECTRIC SUBSTATION ASH BASIN WASTE BOUNDARY ASH BASIN COMPLIANCE BOUNDARY SEMORA RDDUKE ENERGY ROXBORO STEAM ELECTRIC PLANT PROPERTY VERTICAL EXAGGERATION 5X WOODLANDELEMENTARY SCHOOLABMW-3BRLASH ASH/SOIL REGOLITH REGOLITH ASH ASH PORE WATER BEDROCKBEDROCK BEDROCKSTEAM ELECTRIC PLANTGRAVEL ROADA'A (NORTH)(SOUTH)MW-5BRMW-5DSLUICE PIPE TRENCH DIRT ROADABMW-3CW-5ABMW-1BRABMW-1BG-2BG-1BRLRMW-32BRMW-6BRMW-6DEAST ASH BASIN DUNNAW A Y R D SE M O R A R D (H W Y 5 7 )A'APOWER PLANT NOTE: CROSS SECTION A-A' IS LINEAR IN NATURE AND ALL LOCATIONS NOT ALONG THE CROSS SECTION ARE PROJECTED ONTO THE CROSS SECTION. WEST ASH BASIN HYCO LAKE 0 125 250 500 HORIZONTAL SCALE: 1" = 500' VERTICAL SCALE: 1" = 100' 5X VERTICAL EXAGGERATION HISTORIC GROUND SURFACE BASED ON THE 7-1/2' USGS TOPOGRAPHIC MAP FOR CLUSTER SPRINGS, VA DATED 1968. SOURCE INFORMATION: EXISTING GROUND SURFACE BASED ON A DRAWING PROVIDED BY THE WSP GROUP, TITLED "ROXBORO FINAL", DATED JUNE 8, 2015. WATER SUPPLY WELL INFORMATION WAS OBTAINED FROM A LIST PROVIDED BY DUKE ENERGY PROGRESS. 121 CONCENTRATION IN µg/L CONCENTRATION IS NON-DETECT (ND) / NOT AVAILABLE (NA) GENERALIZED WATER TABLE ASH ASH PORE WATER LITHOLOGIC CONTACT MW-16BR MW-16D MW-16S MW-12S ABMW-2 MY-1001 WELL IN TRANSITION ZONE WELL IN SAPROLITE MATERIAL WELL IN ALLUVIUM MATERIAL WELL IN COMPETENT BEDROCK WELL IN ASH PORE WATER WATER SUPPLY WELL GENERALIZED GROUNDWATER FLOW DIRECTION GENERALIZED SUBSURFACE ASH PORE WATER FLOW DIRECTION BEDROCK NOTES 1.MOST RECENT DATA AVAILABLE THROUGH JULY 2017. 2.THE INTERIM MAXIMUM ALLOWABLE CONCENTRATION (IMAC) FOR COBALT IS 1 μg/L. 3.BACKGROUND CONCENTRATION FOR COBALT IS 1 μg/L WITHIN THE TRANSITION ZONE FLOW LAYER AND 6.4 µg/L WITHIN THE BEDROCK FLOW LAYER. 4.ALL VERTICAL ELEVATIONS ARE MEASURED IN FEET, NORTH AMERICA VERTICAL DATUM (NAVD) OF 1988. LEGEND PROGRESS ND/NA ND ND ND 3.83 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY: CRAIG EADY DATE:CHRISTINA NEWELL BB_COBALT 09/14/2017 FIGURE 11-46 COBALT ANALYTICAL RESULTS CROSS SECTION B-B' ROXBORO STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC SEMORA, NORTH CAROLINA VERTICAL EXAGGERATION 5X BEDROCK ASH BASIN COMPLIANCE BOUNDARY DUKE ENERGY ROXBORO STEAM ELECTRIC PLANT PROPERTY GRAVEL ROADASH WATER ELEVATION=446' B'B (NORTH)(SOUTH) 10/28/2017 5:25 PM P:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\43.Revised CSA Guidance\DWG\DE ROXBORO CROSS-SECTIONS A-D Analytical V2.dwg ASHABMW-1GRAVEL ROADWAB EXTENSION IMPOUNDMENT HEATED WATER DISCHARGE POND ASH WATER ELEVATION=462' ASH BASIN POND WATER ELEVATION=412'ABMW-1BRABMW-2ABMW-2BRFILTER DIKE WEST ASH BASIN MAIN DAM OUTLET STRUCTURE BEDROCK BEDROCK BEDROCK REGOLITH/PWR REGOLITH/PWR 0 125 250 500 HORIZONTAL SCALE: 1" = 500' VERTICAL SCALE: 1" = 100' 5X VERTICAL EXAGGERATION ASH BASIN WASTE BOUNDARY HISTORIC GROUND SURFACE BASED ON THE 7-1/2' USGS TOPOGRAPHIC MAP FOR CLUSTER SPRINGS, VA DATED 1968. SOURCE INFORMATION: EXISTING GROUND SURFACE BASED ON A DRAWING PROVIDED BY THE WSP GROUP, TITLED "ROXBORO FINAL", DATED JUNE 8, 2015. 3.83 CONCENTRATION IN µg/L CONCENTRATION IS NON-DETECT (ND) / NOT AVAILABLE (NA) GENERALIZED WATER TABLE ASH ASH PORE WATER LITHOLOGIC CONTACT MW-16BR MW-16D MW-16S MW-12S ABMW-2 MY-1001 WELL IN TRANSITION ZONE WELL IN SAPROLITE MATERIAL WELL IN ALLUVIUM MATERIAL WELL IN COMPETENT BEDROCK WELL IN ASH PORE WATER WATER SUPPLY WELL GENERALIZED GROUNDWATER FLOW DIRECTION GENERALIZED SUBSURFACE ASH PORE WATER FLOW DIRECTION BEDROCK NOTES 1.MOST RECENT DATA AVAILABLE THROUGH JULY 2017. 2.THE INTERIM MAXIMUM ALLOWABLE CONCENTRATION (IMAC) FOR COBALT IS 1 μg/L. 3.BACKGROUND CONCENTRATION FOR COBALT IS 1 μg/L WITHIN THE TRANSITION ZONE FLOW LAYER AND 6.4 µg/L WITHIN THE BEDROCK FLOW LAYER. 4.ALL VERTICAL ELEVATIONS ARE MEASURED IN FEET, NORTH AMERICA VERTICAL DATUM (NAVD) OF 1988. LEGEND EAST ASH BASIN DUNNAW A Y R D SE M O R A R D ( H W Y 5 7 )BB' POWER PLANT NOTE: CROSS SECTION B-B' IS LINEAR IN NATURE AND ALL LOCATIONS NOT ALONG THE CROSS SECTION ARE PROJECTED ONTO THE CROSS SECTION. WEST ASH BASIN HYCO LAKE PROGRESS ND/NA STRUCTURAL FILL GYPSUM SOIL COVER STRUCTURAL FILL 8.17 ND 6.39 7.88 ND 2.74 ND ND ASH BASIN WASTE BOUNDARY (<1) 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY: CRAIG EADY DATE:CHRISTINA NEWELL CC_COBALT 05/25/2017 FIGURE 11-47 COBALT ANALYTICAL RESULTS CROSS SECTION C-C' ROXBORO STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC SEMORA, NORTH CAROLINA VERTICAL EXAGGERATION 5X DUKE ENERGY ROXBORO STEAM ELECTRIC PLANT PROPERTY C'C (NORTH)(SOUTH) 10/28/2017 5:25 PM P:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\43.Revised CSA Guidance\DWG\DE ROXBORO CROSS-SECTIONS A-D Analytical V2.dwgGPMW-2DGPMW-2BRRAILROAD TRACKSCOOLING WATERINTAKE CANALGRAVEL ROADPONDMW-22DMW-22BRMW-22BRLGMW-11MW-13BRMW-19BRLGRAVEL ROADGRAVEL ROADRO3ASH ASH RESIDENCEROADBEDROCK BEDROCK BEDROCK BEDROCK REGOLITH REGOLITH ASH BASIN COMPLIANCE BOUNDARY INDUSTRIAL LANDFILL APPROXIMATE PHASE 1-5 LINER ELEVATION EAST ASH BASIN DUNNAW A Y R D SE M O R A R D ( H W Y 5 7 )CC' POWER PLANT 0 125 250 500 HORIZONTAL SCALE: 1" = 500' VERTICAL SCALE: 1" = 100' 5X VERTICAL EXAGGERATION NOTE: CROSS SECTION C-C' IS LINEAR IN NATURE AND ALL LOCATIONS NOT ALONG THE CROSS SECTION ARE PROJECTED ONTO THE CROSS SECTION. WEST ASH BASIN HYCO LAKE APPROXIMATE PHASE 6 LINER ELEVATION HISTORIC GROUND SURFACE BASED ON THE 7-1/2' USGS TOPOGRAPHIC MAP FOR CLUSTER SPRINGS, VA DATED 1968. SOURCE INFORMATION: EXISTING GROUND SURFACE BASED ON A DRAWING PROVIDED BY THE WSP GROUP, TITLED "ROXBORO FINAL", DATED JUNE 8, 2015. WATER SUPPLY WELL INFORMATION WAS OBTAINED FROM A LIST PROVIDED BY DUKE ENERGY PROGRESS. 3.83 CONCENTRATION IN µg/L COBALT ISOPLETH > BACKGROUND AND IMAC 5. (<1) INFERRED CONCENTRATION FROM SAMPLE WITH pH > 8.5 CONCENTRATION IS NON-DETECT (ND) / NOT AVAILABLE (NA) GENERALIZED WATER TABLE ASH ASH PORE WATER LITHOLOGIC CONTACT MW-16BR MW-16D MW-16S MW-12S ABMW-2 MY-1001 WELL IN TRANSITION ZONE WELL IN SAPROLITE MATERIAL WELL IN ALLUVIUM MATERIAL WELL IN COMPETENT BEDROCK WELL IN ASH PORE WATER WATER SUPPLY WELL GENERALIZED GROUNDWATER FLOW DIRECTION GENERALIZED SUBSURFACE ASH PORE WATER FLOW DIRECTION BEDROCK NOTES 1.MOST RECENT DATA AVAILABLE THROUGH JULY 2017. 2.THE INTERIM MAXIMUM ALLOWABLE CONCENTRATION (IMAC) FOR COBALT IS 1 μg/L. 3.BACKGROUND CONCENTRATION FOR COBALT IS 1 μg/L WITHIN THE TRANSITION ZONE FLOW LAYER AND 6.4 µg/L WITHIN THE BEDROCK FLOW LAYER. 4.ALL VERTICAL ELEVATIONS ARE MEASURED IN FEET, NORTH AMERICA VERTICAL DATUM (NAVD) OF 1988. LEGEND PROGRESS ND/NA REGOLITH EAB EXTENSION IMPOUNDMENT EAB SEPARATOR DIKE ND ND ND ND ND ND ND NA COOLING TOWER POND WATER ELEVATION=409' SOIL ASH PORE WATER APPROXIMATE LINER ELEVATION INDUSTRIAL LANDFILL DUKE ENERGY ROXBORO STEAM ELECTRIC PLANT PROPERTY ASH BASIN WASTE BOUNDARY ASH BASIN COMPLIANCE BOUNDARY NA 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY: CRAIG EADY DATE:CHRISTINA NEWELL DD_COBALT 09/14/2017 10/28/2017 5:25 PM P:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\43.Revised CSA Guidance\DWG\DE ROXBORO CROSS-SECTIONS A-D Analytical V2.dwg FIGURE 11-48 COBALT ANALYTICAL RESULTS CROSS SECTION D-D' ROXBORO STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC SEMORA, NORTH CAROLINARO4DW-26McGHESS MILL RDVERTICAL EXAGGERATION 5X BEDROCKDIRT ROADMW-17BRPZ-12GMW-6GMW-2GRAVEL ROADGRAVEL ROADASH WATER ELEVATION=465' DD' (SOUTHEAST)(NORTHWEST)RESIDENCERESIDENCERESIDENCEMW-20BRLRO13DW-21RO7DW-25MW-24BRMW-20BRL ARTESIAN WELL BEDROCK BEDROCK BEDROCK ASH GMW-2ABEDROCK EAST ASH BASIN DUNNAW A Y R D SE M O R A R D ( H W Y 5 7 ) D D' POWER PLANT 0 125 250 500 HORIZONTAL SCALE: 1" = 500' VERTICAL SCALE: 1" = 100' 5X VERTICAL EXAGGERATION NOTE: CROSS SECTION D-D' IS LINEAR IN NATURE AND ALL LOCATIONS NOT ALONG THE CROSS SECTION ARE PROJECTED ONTO THE CROSS SECTION. WEST ASH BASIN HYCO LAKE HISTORIC GROUND SURFACE BASED ON THE 7-1/2' USGS TOPOGRAPHIC MAP FOR CLUSTER SPRINGS, VA DATED 1968. SOURCE INFORMATION: EXISTING GROUND SURFACE BASED ON A DRAWING PROVIDED BY THE WSP GROUP, TITLED "ROXBORO FINAL", DATED JUNE 8, 2015. WATER SUPPLY WELL INFORMATION WAS OBTAINED FROM A LIST PROVIDED BY DUKE ENERGY PROGRESS. 3.83 ND/NA CONCENTRATION IN µg/L CONCENTRATION IS NON-DETECT (ND)/NOT AVAILABLE (NA) GENERALIZED WATER TABLE ASH ASH PORE WATER LITHOLOGIC CONTACT MW-16BR MW-16D MW-16S MW-12S ABMW-2 MY-1001 WELL IN TRANSITION ZONE WELL IN SAPROLITE MATERIAL WELL IN ALLUVIUM MATERIAL WELL IN COMPETENT BEDROCK WELL IN ASH PORE WATER WATER SUPPLY WELL GENERALIZED GROUNDWATER FLOW DIRECTION GENERALIZED SUBSURFACE ASH PORE WATER FLOW DIRECTION BEDROCK NOTES 1.MOST RECENT DATA AVAILABLE THROUGH JULY 2017. 2.THE INTERIM MAXIMUM ALLOWABLE CONCENTRATION (IMAC) FOR COBALT IS 1 μg/L. 3.BACKGROUND CONCENTRATION FOR COBALT IS 1 μg/L WITHIN THE TRANSITION ZONE FLOW LAYER AND 6.4 µg/L WITHIN THE BEDROCK FLOW LAYER. 4.ALL VERTICAL ELEVATIONS ARE MEASURED IN FEET, NORTH AMERICA VERTICAL DATUM (NAVD) OF 1988. LEGEND PROGRESS 13 419 725 95 ND 5540 822 21300 12 1580 180 259 117 116 269 55 NA 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY: CRAIG EADY DATE:CHRISTINA NEWELL AA_IRON 09/14/2017 10/28/2017 5:25 PM P:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\43.Revised CSA Guidance\DWG\DE ROXBORO CROSS-SECTIONS A-D Analytical V2.dwg FIGURE 11-49 IRON ANALYTICAL RESULTS CROSS SECTION A-A' ROXBORO STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC SEMORA, NORTH CAROLINA RO10DW-46 &DW-47BG-1BRLBG-1BREFFLUENTDISCHARGE CANALBIO-REACTOR BUILDINGGRAVEL ROADGRAVEL ROADWEST FGD POND EAST FGD POND ASPHALT ROADABMW-3BRHEATED WATER DISCHARGE CANALPLANT ELECTRIC SUBSTATION ASH BASIN WASTE BOUNDARY ASH BASIN COMPLIANCE BOUNDARY SEMORA RDDUKE ENERGY ROXBORO STEAM ELECTRIC PLANT PROPERTY VERTICAL EXAGGERATION 5X WOODLANDELEMENTARY SCHOOLABMW-3BRLASH ASH/SOIL REGOLITH REGOLITH ASH ASH PORE WATER BEDROCKBEDROCK BEDROCKSTEAM ELECTRIC PLANTGRAVEL ROADA'A (NORTH)(SOUTH)MW-5BRMW-5DSLUICE PIPE TRENCH DIRT ROADABMW-3CW-5ABMW-1BRABMW-1BG-2BG-1BRLRMW-32BRMW-6BRMW-6DEAST ASH BASIN DUNNAW A Y R D SE M O R A R D (HW Y 5 7 )A'APOWER PLANT NOTE: CROSS SECTION A-A' IS LINEAR IN NATURE AND ALL LOCATIONS NOT ALONG THE CROSS SECTION ARE PROJECTED ONTO THE CROSS SECTION. WEST ASH BASIN HYCO LAKE 0 125 250 500 HORIZONTAL SCALE: 1" = 500' VERTICAL SCALE: 1" = 100' 5X VERTICAL EXAGGERATION HISTORIC GROUND SURFACE BASED ON THE 7-1/2' USGS TOPOGRAPHIC MAP FOR CLUSTER SPRINGS, VA DATED 1968. SOURCE INFORMATION: EXISTING GROUND SURFACE BASED ON A DRAWING PROVIDED BY THE WSP GROUP, TITLED "ROXBORO FINAL", DATED JUNE 8, 2015. WATER SUPPLY WELL INFORMATION WAS OBTAINED FROM A LIST PROVIDED BY DUKE ENERGY PROGRESS.419 CONCENTRATION IN µg/L IRON ISOPLETH (>BACKGROUND) CONCENTRATION IS NON-DETECT (ND) / NOT AVAILABLE (NA) GENERALIZED WATER TABLE ASH ASH PORE WATER LITHOLOGIC CONTACT MW-16BR MW-16D MW-16S MW-12S ABMW-2 MY-1001 WELL IN TRANSITION ZONE WELL IN SAPROLITE MATERIAL WELL IN ALLUVIUM MATERIAL WELL IN COMPETENT BEDROCK WELL IN ASH PORE WATER WATER SUPPLY WELL GENERALIZED GROUNDWATER FLOW DIRECTION GENERALIZED SUBSURFACE ASH PORE WATER FLOW DIRECTION BEDROCK NOTES 1.MOST RECENT DATA AVAILABLE THROUGH JULY 2017. 2.THE NORTH CAROLINA 2L FOR IRON IS 300 μg/L. 3.BACKGROUND CONCENTRATION FOR IRON IS 1173 μg/L WITHIN THE TRANSITION ZONE AND 4227 µg/L WITHIN THE BEDROCK FLOW LAYER. 4.ALL VERTICAL ELEVATIONS ARE MEASURED IN FEET, NORTH AMERICA VERTICAL DATUM (NAVD) OF 1988. LEGEND PROGRESS ND/NA 12 1580 750 30200 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY: CRAIG EADY DATE:CHRISTINA NEWELL BB_IRON 09/14/2017 FIGURE 11-50 IRON ANALYTICAL RESULTS CROSS SECTION B-B' ROXBORO STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC SEMORA, NORTH CAROLINA VERTICAL EXAGGERATION 5X BEDROCK ASH BASIN COMPLIANCE BOUNDARY DUKE ENERGY ROXBORO STEAM ELECTRIC PLANT PROPERTY GRAVEL ROADASH WATER ELEVATION=446' B'B (NORTH)(SOUTH) 10/28/2017 5:25 PM P:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\43.Revised CSA Guidance\DWG\DE ROXBORO CROSS-SECTIONS A-D Analytical V2.dwg ASHABMW-1GRAVEL ROADWAB EXTENSION IMPOUNDMENT HEATED WATER DISCHARGE POND ASH WATER ELEVATION=462' ASH BASIN POND WATER ELEVATION=412'ABMW-1BRABMW-2ABMW-2BRFILTER DIKE WEST ASH BASIN MAIN DAM OUTLET STRUCTURE BEDROCK BEDROCK BEDROCK REGOLITH/PWR REGOLITH/PWR 0 125 250 500 HORIZONTAL SCALE: 1" = 500' VERTICAL SCALE: 1" = 100' 5X VERTICAL EXAGGERATION ASH BASIN WASTE BOUNDARY HISTORIC GROUND SURFACE BASED ON THE 7-1/2' USGS TOPOGRAPHIC MAP FOR CLUSTER SPRINGS, VA DATED 1968. SOURCE INFORMATION: EXISTING GROUND SURFACE BASED ON A DRAWING PROVIDED BY THE WSP GROUP, TITLED "ROXBORO FINAL", DATED JUNE 8, 2015. 750 CONCENTRATION IN µg/L CONCENTRATION IS NON-DETECT (ND) / NOT AVAILABLE (NA) GENERALIZED WATER TABLE ASH PORE WATER LITHOLOGIC CONTACT MW-16BR MW-16D MW-16S MW-12S ABMW-2 MY-1001 WELL IN TRANSITION ZONE WELL IN SAPROLITE MATERIAL WELL IN ALLUVIUM MATERIAL WELL IN COMPETENT BEDROCK WELL IN ASH PORE WATER WATER SUPPLY WELL GENERALIZED GROUNDWATER FLOW DIRECTION GENERALIZED SUBSURFACE ASH PORE WATER FLOW DIRECTION BEDROCK NOTES 1.MOST RECENT DATA AVAILABLE THROUGH JULY 2017. 2.THE NORTH CAROLINA 2L FOR IRON IS 300 μg/L. 3.BACKGROUND CONCENTRATION FOR IRON IS 1173 μg/L WITHIN THE TRANSITION ZONE AND 4227 µg/L WITHIN THE BEDROCK FLOW LAYER. 4.ALL VERTICAL ELEVATIONS ARE MEASURED IN FEET, NORTH AMERICA VERTICAL DATUM (NAVD) OF 1988. LEGEND ASH EAST ASH BASIN DUNNAW A Y R D SE M O R A R D ( H W Y 5 7 )BB' POWER PLANT NOTE: CROSS SECTION B-B' IS LINEAR IN NATURE AND ALL LOCATIONS NOT ALONG THE CROSS SECTION ARE PROJECTED ONTO THE CROSS SECTION. WEST ASH BASIN HYCO LAKE PROGRESS ND/NA STRUCTURAL FILL GYPSUM SOIL COVER STRUCTURAL FILL 74100 79 42 1400 62 493 4520 ND ASH BASIN WASTE BOUNDARY 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY: CRAIG EADY DATE:CHRISTINA NEWELL CC_IRON 05/25/2017 FIGURE 11-51 IRON ANALYTICAL RESULTS CROSS SECTION C-C' ROXBORO STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC SEMORA, NORTH CAROLINA VERTICAL EXAGGERATION 5X DUKE ENERGY ROXBORO STEAM ELECTRIC PLANT PROPERTY C'C (NORTH)(SOUTH) 10/28/2017 5:25 PM P:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\43.Revised CSA Guidance\DWG\DE ROXBORO CROSS-SECTIONS A-D Analytical V2.dwgGPMW-2DGPMW-2BRRAILROAD TRACKSCOOLING WATERINTAKE CANALGRAVEL ROADPONDMW-22DMW-22BRMW-22BRLGMW-11MW-13BRMW-19BRLGRAVEL ROADGRAVEL ROADRO3ASH ASH RESIDENCEROADBEDROCK BEDROCK BEDROCK BEDROCK REGOLITH REGOLITH ASH BASIN COMPLIANCE BOUNDARY INDUSTRIAL LANDFILL APPROXIMATE PHASE 1-5 LINER ELEVATION EAST ASH BASIN DUNNAW A Y R D SE M O R A R D ( H W Y 5 7 )CC' POWER PLANT 0 125 250 500 HORIZONTAL SCALE: 1" = 500' VERTICAL SCALE: 1" = 100' 5X VERTICAL EXAGGERATION NOTE: CROSS SECTION C-C' IS LINEAR IN NATURE AND ALL LOCATIONS NOT ALONG THE CROSS SECTION ARE PROJECTED ONTO THE CROSS SECTION. WEST ASH BASIN HYCO LAKE APPROXIMATE PHASE 6 LINER ELEVATION HISTORIC GROUND SURFACE BASED ON THE 7-1/2' USGS TOPOGRAPHIC MAP FOR CLUSTER SPRINGS, VA DATED 1968. SOURCE INFORMATION: EXISTING GROUND SURFACE BASED ON A DRAWING PROVIDED BY THE WSP GROUP, TITLED "ROXBORO FINAL", DATED JUNE 8, 2015. WATER SUPPLY WELL INFORMATION WAS OBTAINED FROM A LIST PROVIDED BY DUKE ENERGY PROGRESS. 750 CONCENTRATION IN µg/L IRON ISOPLETH (> BACKGROUND ) CONCENTRATION IS NON-DETECT (ND) / NOT AVAILABLE (NA) GENERALIZED WATER TABLE ASH PORE WATER LITHOLOGIC CONTACT MW-16BR MW-16D MW-16S MW-12S ABMW-2 MY-1001 WELL IN TRANSITION ZONE WELL IN SAPROLITE MATERIAL WELL IN ALLUVIUM MATERIAL WELL IN COMPETENT BEDROCK WELL IN ASH PORE WATER WATER SUPPLY WELL GENERALIZED GROUNDWATER FLOW DIRECTION GENERALIZED SUBSURFACE ASH PORE WATER FLOW DIRECTION BEDROCK NOTES 1.MOST RECENT DATA AVAILABLE THROUGH JULY 2017. 2.THE NORTH CAROLINA 2L FOR IRON IS 300 μg/L. 3.BACKGROUND CONCENTRATION FOR IRON IS 1173 μg/L WITHIN THE TRANSITION ZONE AND 4227 µg/L WITHIN THE BEDROCK FLOW LAYER. 4.ALL VERTICAL ELEVATIONS ARE MEASURED IN FEET, NORTH AMERICA VERTICAL DATUM (NAVD) OF 1988. LEGEND ASH PROGRESS ND/NA REGOLITH EAB EXTENSION IMPOUNDMENT EAB SEPARATOR DIKE 32 169 ND 228 54 ND 332 NA COOLING TOWER POND WATER ELEVATION=409' SOIL ASH PORE WATER APPROXIMATE LINER ELEVATION INDUSTRIAL LANDFILL DUKE ENERGY ROXBORO STEAM ELECTRIC PLANT PROPERTY ASH BASIN WASTE BOUNDARY ASH BASIN COMPLIANCE BOUNDARY NA 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY: CRAIG EADY DATE:CHRISTINA NEWELL DD_IRON 09/14/2017 10/28/2017 5:25 PM P:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\43.Revised CSA Guidance\DWG\DE ROXBORO CROSS-SECTIONS A-D Analytical V2.dwg FIGURE 11-52 IRON ANALYTICAL RESULTS CROSS SECTION D-D' ROXBORO STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC SEMORA, NORTH CAROLINARO4DW-26McGHESS MILL RDVERTICAL EXAGGERATION 5X BEDROCKDIRT ROADMW-17BRPZ-12GMW-6GMW-2GRAVEL ROADGRAVEL ROADASH WATER ELEVATION=465' DD' (SOUTHEAST)(NORTHWEST)RESIDENCERESIDENCERESIDENCEMW-20BRLRO13DW-21RO7DW-25MW-24BRMW-20BRL ARTESIAN WELL BEDROCK BEDROCK BEDROCK ASH GMW-2ABEDROCK EAST ASH BASIN DUNNAW A Y R D SE M O R A R D ( H W Y 5 7 ) D D' POWER PLANT 0 125 250 500 HORIZONTAL SCALE: 1" = 500' VERTICAL SCALE: 1" = 100' 5X VERTICAL EXAGGERATION NOTE: CROSS SECTION D-D' IS LINEAR IN NATURE AND ALL LOCATIONS NOT ALONG THE CROSS SECTION ARE PROJECTED ONTO THE CROSS SECTION. WEST ASH BASIN HYCO LAKE HISTORIC GROUND SURFACE BASED ON THE 7-1/2' USGS TOPOGRAPHIC MAP FOR CLUSTER SPRINGS, VA DATED 1968. SOURCE INFORMATION: EXISTING GROUND SURFACE BASED ON A DRAWING PROVIDED BY THE WSP GROUP, TITLED "ROXBORO FINAL", DATED JUNE 8, 2015. WATER SUPPLY WELL INFORMATION WAS OBTAINED FROM A LIST PROVIDED BY DUKE ENERGY PROGRESS. 750 ND/NA CONCENTRATION IN µg/L CONCENTRATION IS NON-DETECT (ND)/NOT AVAILABLE (NA) GENERALIZED WATER TABLE ASH PORE WATER LITHOLOGIC CONTACT MW-16BR MW-16D MW-16S MW-12S ABMW-2 MY-1001 WELL IN TRANSITION ZONE WELL IN SAPROLITE MATERIAL WELL IN ALLUVIUM MATERIAL WELL IN COMPETENT BEDROCK WELL IN ASH PORE WATER WATER SUPPLY WELL GENERALIZED GROUNDWATER FLOW DIRECTION GENERALIZED SUBSURFACE ASH PORE WATER FLOW DIRECTION BEDROCK NOTES 1.MOST RECENT DATA AVAILABLE THROUGH JULY 2017. 2.THE NORTH CAROLINA 2L FOR IRON IS 300 μg/L. 3.BACKGROUND CONCENTRATION FOR IRON IS 1173 μg/L WITHIN THE TRANSITION ZONE AND 4227 µg/L WITHIN THE BEDROCK FLOW LAYER. 4.ALL VERTICAL ELEVATIONS ARE MEASURED IN FEET, NORTH AMERICA VERTICAL DATUM (NAVD) OF 1988. LEGEND ASH PROGRESS ND 84 22 ND 376 7100 13900 180 ND 966 95 252 390 167 792 1900 NA 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY: CRAIG EADY DATE:CHRISTINA NEWELL AA_MANGANESE 09/14/2017 10/28/2017 5:25 PM P:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\43.Revised CSA Guidance\DWG\DE ROXBORO CROSS-SECTIONS A-D Analytical V2.dwg FIGURE 11-53 MANGANESE ANALYTICAL RESULTS CROSS SECTION A-A' ROXBORO STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC SEMORA, NORTH CAROLINA RO10DW-46 &DW-47BG-1BRLBG-1BREFFLUENTDISCHARGE CANALBIO-REACTOR BUILDINGGRAVEL ROADGRAVEL ROADWEST FGD POND EAST FGD POND ASPHALT ROADABMW-3BRHEATED WATER DISCHARGE CANALPLANT ELECTRIC SUBSTATION ASH BASIN WASTE BOUNDARY ASH BASIN COMPLIANCE BOUNDARY SEMORA RDDUKE ENERGY ROXBORO STEAM ELECTRIC PLANT PROPERTY VERTICAL EXAGGERATION 5X WOODLANDELEMENTARY SCHOOLABMW-3BRLASH ASH/SOIL REGOLITH REGOLITH ASH ASH PORE WATER BEDROCKBEDROCK BEDROCKSTEAM ELECTRIC PLANTGRAVEL ROADA'A (NORTH)(SOUTH)MW-5BRMW-5DSLUICE PIPE TRENCH DIRT ROADABMW-3CW-5ABMW-1BRABMW-1BG-2BG-1BRLRMW-32BRMW-6BRMW-6DEAST ASH BASIN DUNNAW A Y R D SE M O R A R D (H W Y 5 7 )A'APOWER PLANT NOTE: CROSS SECTION A-A' IS LINEAR IN NATURE AND ALL LOCATIONS NOT ALONG THE CROSS SECTION ARE PROJECTED ONTO THE CROSS SECTION. WEST ASH BASIN HYCO LAKE 0 125 250 500 HORIZONTAL SCALE: 1" = 500' VERTICAL SCALE: 1" = 100' 5X VERTICAL EXAGGERATION HISTORIC GROUND SURFACE BASED ON THE 7-1/2' USGS TOPOGRAPHIC MAP FOR CLUSTER SPRINGS, VA DATED 1968. SOURCE INFORMATION: EXISTING GROUND SURFACE BASED ON A DRAWING PROVIDED BY THE WSP GROUP, TITLED "ROXBORO FINAL", DATED JUNE 8, 2015. WATER SUPPLY WELL INFORMATION WAS OBTAINED FROM A LIST PROVIDED BY DUKE ENERGY PROGRESS.180 CONCENTRATION IN µg/L MANGANESE ISOPLETH (> BACKGROUND) CONCENTRATION IS NON-DETECT (ND) / NOT AVAILABLE (NA) GENERALIZED WATER TABLE ASH ASH PORE WATER LITHOLOGIC CONTACT MW-16BR MW-16D MW-16S MW-12S ABMW-2 MY-1001 WELL IN TRANSITION ZONE WELL IN SAPROLITE MATERIAL WELL IN ALLUVIUM MATERIAL WELL IN COMPETENT BEDROCK WELL IN ASH PORE WATER WATER SUPPLY WELL GENERALIZED GROUNDWATER FLOW DIRECTION GENERALIZED SUBSURFACE ASH PORE WATER FLOW DIRECTION BEDROCK NOTES 1.MOST RECENT DATA AVAILABLE THROUGH JULY 2017. 2.THE NORTH CAROLINA 2L FOR MANGANESE IS 50 μg/L. 3.BACKGROUND CONCENTRATION FOR MANGANESE IS 405 μg/L WITHIN THE TRANSITION ZONE FLOW LAYER AND 1198 µg/L WITHIN THE BEDROCK FLOW LAYER. 4.ALL VERTICAL ELEVATIONS ARE MEASURED IN FEET, NORTH AMERICA VERTICAL DATUM (NAVD) OF 1988. LEGEND PROGRESS ND/NA ND 966 1920 1198 1450 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY: CRAIG EADY DATE:CHRISTINA NEWELL BB_MANGANESE 09/14/2017 FIGURE 11-54 MANGANESE ANALYTICAL RESULTS CROSS SECTION B-B' ROXBORO STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC SEMORA, NORTH CAROLINA VERTICAL EXAGGERATION 5X BEDROCK ASH BASIN COMPLIANCE BOUNDARY DUKE ENERGY ROXBORO STEAM ELECTRIC PLANT PROPERTY GRAVEL ROADASH WATER ELEVATION=446' B'B (NORTH)(SOUTH) 10/28/2017 5:25 PM P:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\43.Revised CSA Guidance\DWG\DE ROXBORO CROSS-SECTIONS A-D Analytical V2.dwg ASHABMW-1GRAVEL ROADWAB EXTENSION IMPOUNDMENT HEATED WATER DISCHARGE POND ASH WATER ELEVATION=462' ASH BASIN POND WATER ELEVATION=412'ABMW-1BRABMW-2ABMW-2BRFILTER DIKE WEST ASH BASIN MAIN DAM OUTLET STRUCTURE BEDROCK BEDROCK BEDROCK REGOLITH/PWR REGOLITH/PWR 0 125 250 500 HORIZONTAL SCALE: 1" = 500' VERTICAL SCALE: 1" = 100' 5X VERTICAL EXAGGERATION ASH BASIN WASTE BOUNDARY HISTORIC GROUND SURFACE BASED ON THE 7-1/2' USGS TOPOGRAPHIC MAP FOR CLUSTER SPRINGS, VA DATED 1968. SOURCE INFORMATION: EXISTING GROUND SURFACE BASED ON A DRAWING PROVIDED BY THE WSP GROUP, TITLED "ROXBORO FINAL", DATED JUNE 8, 2015.966 CONCENTRATION IN µg/L MANGANESE ISOPLETH(> BACKGROUND) CONCENTRATION IS NON-DETECT (ND) / NOT AVAILABLE (NA) GENERALIZED WATER TABLE ASH ASH PORE WATER LITHOLOGIC CONTACT MW-16BR MW-16D MW-16S MW-12S ABMW-2 MY-1001 WELL IN TRANSITION ZONE WELL IN SAPROLITE MATERIAL WELL IN ALLUVIUM MATERIAL WELL IN COMPETENT BEDROCK WELL IN ASH PORE WATER WATER SUPPLY WELL GENERALIZED GROUNDWATER FLOW DIRECTION GENERALIZED SUBSURFACE ASH PORE WATER FLOW DIRECTION BEDROCK NOTES 1.MOST RECENT DATA AVAILABLE THROUGH JULY 2017. 2.THE NORTH CAROLINA 2L FOR MANGANESE IS 50 μg/L. 3.BACKGROUND CONCENTRATION FOR MANGANESE IS 405 μg/L WITHIN THE TRANSITION ZONE FLOW LAYER AND 1198 µg/L WITHIN THE BEDROCK FLOW LAYER. 4.ALL VERTICAL ELEVATIONS ARE MEASURED IN FEET, NORTH AMERICA VERTICAL DATUM (NAVD) OF 1988. LEGEND EAST ASH BASIN DUNNAW A Y R D SE M O R A R D ( H W Y 5 7 )BB' POWER PLANT NOTE: CROSS SECTION B-B' IS LINEAR IN NATURE AND ALL LOCATIONS NOT ALONG THE CROSS SECTION ARE PROJECTED ONTO THE CROSS SECTION. WEST ASH BASIN HYCO LAKE PROGRESS ND/NA STRUCTURAL FILL GYPSUM SOIL COVER STRUCTURAL FILL 5670 310 2160 2030 ND 189 1040 ND ASH BASIN WASTE BOUNDARY 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY: CRAIG EADY DATE:CHRISTINA NEWELL CC_MANGANESE 05/25/2017 FIGURE 11-55 MANGANESE ANALYTICAL RESULTS CROSS SECTION C-C' ROXBORO STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC SEMORA, NORTH CAROLINA VERTICAL EXAGGERATION 5X DUKE ENERGY ROXBORO STEAM ELECTRIC PLANT PROPERTY C'C (NORTH)(SOUTH) 10/28/2017 5:25 PM P:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\43.Revised CSA Guidance\DWG\DE ROXBORO CROSS-SECTIONS A-D Analytical V2.dwgGPMW-2DGPMW-2BRRAILROAD TRACKSCOOLING WATERINTAKE CANALGRAVEL ROADPONDMW-22DMW-22BRMW-22BRLGMW-11MW-13BRMW-19BRLGRAVEL ROADGRAVEL ROADRO3ASH ASH RESIDENCEROADBEDROCK BEDROCK BEDROCK BEDROCK REGOLITH REGOLITH ASH BASIN COMPLIANCE BOUNDARY INDUSTRIAL LANDFILL APPROXIMATE PHASE 1-5 LINER ELEVATION EAST ASH BASIN DUNNAW A Y R D SE M O R A R D ( H W Y 5 7 )CC' POWER PLANT 0 125 250 500 HORIZONTAL SCALE: 1" = 500' VERTICAL SCALE: 1" = 100' 5X VERTICAL EXAGGERATION NOTE: CROSS SECTION C-C' IS LINEAR IN NATURE AND ALL LOCATIONS NOT ALONG THE CROSS SECTION ARE PROJECTED ONTO THE CROSS SECTION. WEST ASH BASIN HYCO LAKE APPROXIMATE PHASE 6 LINER ELEVATION HISTORIC GROUND SURFACE BASED ON THE 7-1/2' USGS TOPOGRAPHIC MAP FOR CLUSTER SPRINGS, VA DATED 1968. SOURCE INFORMATION: EXISTING GROUND SURFACE BASED ON A DRAWING PROVIDED BY THE WSP GROUP, TITLED "ROXBORO FINAL", DATED JUNE 8, 2015. WATER SUPPLY WELL INFORMATION WAS OBTAINED FROM A LIST PROVIDED BY DUKE ENERGY PROGRESS. 966 CONCENTRATION IN µg/L MANGANESE ISOPLETH (> BACKGROUND ) CONCENTRATION IS NON-DETECT (ND) / NOT AVAILABLE (NA) GENERALIZED WATER TABLE ASH ASH PORE WATER LITHOLOGIC CONTACT MW-16BR MW-16D MW-16S MW-12S ABMW-2 MY-1001 WELL IN TRANSITION ZONE WELL IN SAPROLITE MATERIAL WELL IN ALLUVIUM MATERIAL WELL IN COMPETENT BEDROCK WELL IN ASH PORE WATER WATER SUPPLY WELL GENERALIZED GROUNDWATER FLOW DIRECTION GENERALIZED SUBSURFACE ASH PORE WATER FLOW DIRECTION BEDROCK NOTES 1.MOST RECENT DATA AVAILABLE THROUGH JULY 2017. 2.THE NORTH CAROLINA 2L FOR MANGANESE IS 50 μg/L. 3.BACKGROUND CONCENTRATION FOR MANGANESE IS 405 μg/L WITHIN THE TRANSITION ZONE FLOW LAYER AND 1198 µg/L WITHIN THE BEDROCK FLOW LAYER. 4.ALL VERTICAL ELEVATIONS ARE MEASURED IN FEET, NORTH AMERICA VERTICAL DATUM (NAVD) OF 1988. LEGEND PROGRESS ND/NA REGOLITH EAB EXTENSION IMPOUNDMENT EAB SEPARATOR DIKE ND 346 ND 285 144 29.4 3.7 NA COOLING TOWER POND WATER ELEVATION=409' SOIL ASH PORE WATER APPROXIMATE LINER ELEVATION INDUSTRIAL LANDFILL DUKE ENERGY ROXBORO STEAM ELECTRIC PLANT PROPERTY ASH BASIN WASTE BOUNDARY ASH BASIN COMPLIANCE BOUNDARY NA 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY: CRAIG EADY DATE:CHRISTINA NEWELL DD_MANGANESE 09/14/2017 10/28/2017 5:25 PM P:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\43.Revised CSA Guidance\DWG\DE ROXBORO CROSS-SECTIONS A-D Analytical V2.dwg FIGURE 11-56 MANGANESE ANALYTICAL RESULTS CROSS SECTION D-D' ROXBORO STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC SEMORA, NORTH CAROLINARO4DW-26McGHESS MILL RDVERTICAL EXAGGERATION 5X BEDROCKDIRT ROADMW-17BRPZ-12GMW-6GMW-2GRAVEL ROADGRAVEL ROADASH WATER ELEVATION=465' DD' (SOUTHEAST)(NORTHWEST)RESIDENCERESIDENCERESIDENCEMW-20BRLRO13DW-21RO7DW-25MW-24BRMW-20BRL ARTESIAN WELL BEDROCK BEDROCK BEDROCK ASH GMW-2ABEDROCK EAST ASH BASIN DUNNAW A Y R D SE M O R A R D ( H W Y 5 7 ) D D' POWER PLANT 0 125 250 500 HORIZONTAL SCALE: 1" = 500' VERTICAL SCALE: 1" = 100' 5X VERTICAL EXAGGERATION NOTE: CROSS SECTION D-D' IS LINEAR IN NATURE AND ALL LOCATIONS NOT ALONG THE CROSS SECTION ARE PROJECTED ONTO THE CROSS SECTION. WEST ASH BASIN HYCO LAKE HISTORIC GROUND SURFACE BASED ON THE 7-1/2' USGS TOPOGRAPHIC MAP FOR CLUSTER SPRINGS, VA DATED 1968. SOURCE INFORMATION: EXISTING GROUND SURFACE BASED ON A DRAWING PROVIDED BY THE WSP GROUP, TITLED "ROXBORO FINAL", DATED JUNE 8, 2015. WATER SUPPLY WELL INFORMATION WAS OBTAINED FROM A LIST PROVIDED BY DUKE ENERGY PROGRESS. 750 ND/NA CONCENTRATION IN µg/L CONCENTRATION IS NON-DETECT (ND)/NOT AVAILABLE (NA) GENERALIZED WATER TABLE ASH PORE WATER LITHOLOGIC CONTACT MW-16BR MW-16D MW-16S MW-12S ABMW-2 MY-1001 WELL IN TRANSITION ZONE WELL IN SAPROLITE MATERIAL WELL IN ALLUVIUM MATERIAL WELL IN COMPETENT BEDROCK WELL IN ASH PORE WATER WATER SUPPLY WELL GENERALIZED GROUNDWATER FLOW DIRECTION GENERALIZED SUBSURFACE ASH PORE WATER FLOW DIRECTION BEDROCK NOTES 1.MOST RECENT DATA AVAILABLE THROUGH JULY 2017. 2.THE NORTH CAROLINA 2L FOR MANGANESE IS 50 μg/L. 3.BACKGROUND CONCENTRATION FOR MANGANESE IS 405 μg/L WITHIN THE TRANSITION ZONE FLOW LAYER AND 1198 µg/L WITHIN THE BEDROCK FLOW LAYER. 4.ALL VERTICAL ELEVATIONS ARE MEASURED IN FEET, NORTH AMERICA VERTICAL DATUM (NAVD) OF 1988. LEGEND ASH PROGRESS ND 3.36 6.18 ND 1.23 ND ND 2.48 4.66 71.1 4.79 4.36 2420 NA ND 11.1 2.06 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY: CRAIG EADY DATE:CHRISTINA NEWELL AA_MOLYBDENUM 09/14/2017 10/28/2017 5:26 PM P:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\43.Revised CSA Guidance\DWG\DE ROXBORO CROSS-SECTIONS A-D Analytical V2.dwg FIGURE 11-57 MOLYBDENUM ANALYTICAL RESULTS CROSS SECTION A-A' ROXBORO STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC SEMORA, NORTH CAROLINA RO10DW-46 &DW-47BG-1BRLBG-1BREFFLUENTDISCHARGE CANALBIO-REACTOR BUILDINGGRAVEL ROADGRAVEL ROADWEST FGD POND EAST FGD POND ASPHALT ROADABMW-3BRHEATED WATER DISCHARGE CANALPLANT ELECTRIC SUBSTATION ASH BASIN WASTE BOUNDARY ASH BASIN COMPLIANCE BOUNDARY SEMORA RDDUKE ENERGY ROXBORO STEAM ELECTRIC PLANT PROPERTY VERTICAL EXAGGERATION 5X WOODLANDELEMENTARY SCHOOLABMW-3BRLASH ASH/SOIL REGOLITH REGOLITH ASH ASH PORE WATER BEDROCKBEDROCK BEDROCKSTEAM ELECTRIC PLANTGRAVEL ROADA'A (NORTH)(SOUTH)MW-5BRMW-5DSLUICE PIPE TRENCH DIRT ROADABMW-3CW-5ABMW-1BRABMW-1BG-2BG-1BRLRMW-32BRMW-6BRMW-6DEAST ASH BASIN DUNNAW A Y R D SE M O R A R D (H W Y 5 7 )A'APOWER PLANT NOTE: CROSS SECTION A-A' IS LINEAR IN NATURE AND ALL LOCATIONS NOT ALONG THE CROSS SECTION ARE PROJECTED ONTO THE CROSS SECTION. WEST ASH BASIN HYCO LAKE 0 125 250 500 HORIZONTAL SCALE: 1" = 500' VERTICAL SCALE: 1" = 100' 5X VERTICAL EXAGGERATION HISTORIC GROUND SURFACE BASED ON THE 7-1/2' USGS TOPOGRAPHIC MAP FOR CLUSTER SPRINGS, VA DATED 1968. SOURCE INFORMATION: EXISTING GROUND SURFACE BASED ON A DRAWING PROVIDED BY THE WSP GROUP, TITLED "ROXBORO FINAL", DATED JUNE 8, 2015. WATER SUPPLY WELL INFORMATION WAS OBTAINED FROM A LIST PROVIDED BY DUKE ENERGY PROGRESS. 2.48 CONCENTRATION IN µg/L CONCENTRATION IS NON-DETECT (ND) / NOT AVAILABLE (NA) GENERALIZED WATER TABLE ASH ASH PORE WATER LITHOLOGIC CONTACT MW-16BR MW-16D MW-16S MW-12S ABMW-2 MY-1001 WELL IN TRANSITION ZONE WELL IN SAPROLITE MATERIAL WELL IN ALLUVIUM MATERIAL WELL IN COMPETENT BEDROCK WELL IN ASH PORE WATER WATER SUPPLY WELL GENERALIZED GROUNDWATER FLOW DIRECTION GENERALIZED SUBSURFACE ASH PORE WATER FLOW DIRECTION BEDROCK NOTES 1.MOST RECENT DATA AVAILABLE THROUGH JULY 2017. 2.THE NORTH CAROLINA 2L FOR MOLYBDENUM IS NOT ESTABLISHED. 3.BACKGROUND CONCENTRATION FOR MOLYBDENUM IS 4.17 μg/L WITHIN THE TRANSITION ZONE FLOW LAYER AND 35.2 µg/L WITHIN THE BEDROCK FLOW LAYER. 4.ALL VERTICAL ELEVATIONS ARE MEASURED IN FEET, NORTH AMERICA VERTICAL DATUM (NAVD) OF 1988. LEGEND PROGRESS ND/NA 2420 2.48 82.5 10.7 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY: CRAIG EADY DATE:CHRISTINA NEWELL BB_MOLYBDENUM 09/14/2017 FIGURE 11-58 MOLYBDENUM ANALYTICAL RESULTS CROSS SECTION B-B' ROXBORO STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC SEMORA, NORTH CAROLINA VERTICAL EXAGGERATION 5X BEDROCK ASH BASIN COMPLIANCE BOUNDARY DUKE ENERGY ROXBORO STEAM ELECTRIC PLANT PROPERTY GRAVEL ROADASH WATER ELEVATION=446' B'B (NORTH)(SOUTH) 10/28/2017 5:26 PM P:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\43.Revised CSA Guidance\DWG\DE ROXBORO CROSS-SECTIONS A-D Analytical V2.dwg ASHABMW-1GRAVEL ROADWAB EXTENSION IMPOUNDMENT HEATED WATER DISCHARGE POND ASH WATER ELEVATION=462' ASH BASIN POND WATER ELEVATION=412'ABMW-1BRABMW-2ABMW-2BRFILTER DIKE WEST ASH BASIN MAIN DAM OUTLET STRUCTURE BEDROCK BEDROCK BEDROCK REGOLITH/PWR REGOLITH/PWR 0 125 250 500 HORIZONTAL SCALE: 1" = 500' VERTICAL SCALE: 1" = 100' 5X VERTICAL EXAGGERATION ASH BASIN WASTE BOUNDARY HISTORIC GROUND SURFACE BASED ON THE 7-1/2' USGS TOPOGRAPHIC MAP FOR CLUSTER SPRINGS, VA DATED 1968. SOURCE INFORMATION: EXISTING GROUND SURFACE BASED ON A DRAWING PROVIDED BY THE WSP GROUP, TITLED "ROXBORO FINAL", DATED JUNE 8, 2015.2.48 CONCENTRATION IN µg/L GENERALIZED WATER TABLE ASH ASH PORE WATER LITHOLOGIC CONTACT MW-16BR MW-16D MW-16S MW-12S ABMW-2 MY-1001 WELL IN TRANSITION ZONE WELL IN SAPROLITE MATERIAL WELL IN ALLUVIUM MATERIAL WELL IN COMPETENT BEDROCK WELL IN ASH PORE WATER WATER SUPPLY WELL GENERALIZED GROUNDWATER FLOW DIRECTION GENERALIZED SUBSURFACE ASH PORE WATER FLOW DIRECTION BEDROCK NOTES 1.MOST RECENT DATA AVAILABLE THROUGH JULY 2017. 2.THE NORTH CAROLINA 2L FOR MOLYBDENUM IS NOT ESTABLISHED. 3.BACKGROUND CONCENTRATION FOR MOLYBDENUM IS 4.17 μg/L WITHIN THE TRANSITION ZONE FLOW LAYER AND 35.2 µg/L WITHIN THE BEDROCK FLOW LAYER. 4.ALL VERTICAL ELEVATIONS ARE MEASURED IN FEET, NORTH AMERICA VERTICAL DATUM (NAVD) OF 1988. LEGEND EAST ASH BASIN DUNNAW A Y R D SE M O R A R D ( H W Y 5 7 )BB' POWER PLANT NOTE: CROSS SECTION B-B' IS LINEAR IN NATURE AND ALL LOCATIONS NOT ALONG THE CROSS SECTION ARE PROJECTED ONTO THE CROSS SECTION. WEST ASH BASIN HYCO LAKE PROGRESS ND/NA CONCENTRATION IS NON-DETECT (ND) / NOT AVAILABLE (NA) STRUCTURAL FILL GYPSUM SOIL COVER STRUCTURAL FILL 1.71 ND ND 8.86 1.17 1.51 7.37 ASH BASIN WASTE BOUNDARY (8.52) 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY: CRAIG EADY DATE:CHRISTINA NEWELL CC_MOLYBDENUM 05/25/2017 FIGURE 11-59 MOLYBDENUM ANALYTICAL RESULTS CROSS SECTION C-C' ROXBORO STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC SEMORA, NORTH CAROLINA VERTICAL EXAGGERATION 5X DUKE ENERGY ROXBORO STEAM ELECTRIC PLANT PROPERTY C'C (NORTH)(SOUTH) 10/28/2017 5:26 PM P:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\43.Revised CSA Guidance\DWG\DE ROXBORO CROSS-SECTIONS A-D Analytical V2.dwgGPMW-2DGPMW-2BRRAILROAD TRACKSCOOLING WATERINTAKE CANALGRAVEL ROADPONDMW-22DMW-22BRMW-22BRLGMW-11MW-13BRMW-19BRLGRAVEL ROADGRAVEL ROADRO3ASH ASH RESIDENCEROADBEDROCK BEDROCK BEDROCK BEDROCK REGOLITH REGOLITH ASH BASIN COMPLIANCE BOUNDARY INDUSTRIAL LANDFILL APPROXIMATE PHASE 1-5 LINER ELEVATION EAST ASH BASIN DUNNAW A Y R D SE M O R A R D ( H W Y 5 7 )CC' POWER PLANT 0 125 250 500 HORIZONTAL SCALE: 1" = 500' VERTICAL SCALE: 1" = 100' 5X VERTICAL EXAGGERATION NOTE: CROSS SECTION C-C' IS LINEAR IN NATURE AND ALL LOCATIONS NOT ALONG THE CROSS SECTION ARE PROJECTED ONTO THE CROSS SECTION. WEST ASH BASIN HYCO LAKE APPROXIMATE PHASE 6 LINER ELEVATION HISTORIC GROUND SURFACE BASED ON THE 7-1/2' USGS TOPOGRAPHIC MAP FOR CLUSTER SPRINGS, VA DATED 1968. SOURCE INFORMATION: EXISTING GROUND SURFACE BASED ON A DRAWING PROVIDED BY THE WSP GROUP, TITLED "ROXBORO FINAL", DATED JUNE 8, 2015. WATER SUPPLY WELL INFORMATION WAS OBTAINED FROM A LIST PROVIDED BY DUKE ENERGY PROGRESS. 2.48 ND CONCENTRATION IN µg/L CONCENTRATION IS NON-DETECT (ND) / NOT AVAILABLE (NA) GENERALIZED WATER TABLE ASH ASH PORE WATER LITHOLOGIC CONTACT MW-16BR MW-16D MW-16S MW-12S ABMW-2 MY-1001 WELL IN TRANSITION ZONE WELL IN SAPROLITE MATERIAL WELL IN ALLUVIUM MATERIAL WELL IN COMPETENT BEDROCK WELL IN ASH PORE WATER WATER SUPPLY WELL GENERALIZED GROUNDWATER FLOW DIRECTION GENERALIZED SUBSURFACE ASH PORE WATER FLOW DIRECTION BEDROCK NOTES 1.MOST RECENT DATA AVAILABLE THROUGH JULY 2017. 2.THE NORTH CAROLINA 2L FOR MOLYBDENUM IS NOT ESTABLISHED. 3.BACKGROUND CONCENTRATION FOR MOLYBDENUM IS 4.17 μg/L WITHIN THE TRANSITION ZONE FLOW LAYER AND 35.2 µg/L WITHIN THE BEDROCK FLOW LAYER. 4.ALL VERTICAL ELEVATIONS ARE MEASURED IN FEET, NORTH AMERICA VERTICAL DATUM (NAVD) OF 1988. 5.(8.52) INFERRED VALUE FROM SAMPLE WITH pH 78.5. LEGEND PROGRESS REGOLITH EAB EXTENSION IMPOUNDMENT EAB SEPARATOR DIKE ND 1.28 4.93 7 NA COOLING TOWER POND WATER ELEVATION=409' SOIL ASH PORE WATER APPROXIMATE LINER ELEVATION INDUSTRIAL LANDFILL DUKE ENERGY ROXBORO STEAM ELECTRIC PLANT PROPERTY ASH BASIN WASTE BOUNDARY ASH BASIN COMPLIANCE BOUNDARY NA ND ND ND 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY: CRAIG EADY DATE:CHRISTINA NEWELL DD_MOLYBDENUM 09/14/2017 10/28/2017 5:26 PM P:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\43.Revised CSA Guidance\DWG\DE ROXBORO CROSS-SECTIONS A-D Analytical V2.dwg FIGURE 11-60 MOLYBDENUM ANALYTICAL RESULTS CROSS SECTION D-D' ROXBORO STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC SEMORA, NORTH CAROLINARO4DW-26McGHESS MILL RDVERTICAL EXAGGERATION 5X BEDROCKDIRT ROADMW-17BRPZ-12GMW-6GMW-2GRAVEL ROADGRAVEL ROADASH WATER ELEVATION=465' DD' (SOUTHEAST)(NORTHWEST)RESIDENCERESIDENCERESIDENCEMW-20BRLRO13DW-21RO7DW-25MW-24BRMW-20BRL ARTESIAN WELL BEDROCK BEDROCK BEDROCK ASH GMW-2ABEDROCK EAST ASH BASIN DUNNAW A Y R D SE M O R A R D ( H W Y 5 7 ) D D' POWER PLANT 0 125 250 500 HORIZONTAL SCALE: 1" = 500' VERTICAL SCALE: 1" = 100' 5X VERTICAL EXAGGERATION NOTE: CROSS SECTION D-D' IS LINEAR IN NATURE AND ALL LOCATIONS NOT ALONG THE CROSS SECTION ARE PROJECTED ONTO THE CROSS SECTION. WEST ASH BASIN HYCO LAKE HISTORIC GROUND SURFACE BASED ON THE 7-1/2' USGS TOPOGRAPHIC MAP FOR CLUSTER SPRINGS, VA DATED 1968. SOURCE INFORMATION: EXISTING GROUND SURFACE BASED ON A DRAWING PROVIDED BY THE WSP GROUP, TITLED "ROXBORO FINAL", DATED JUNE 8, 2015. WATER SUPPLY WELL INFORMATION WAS OBTAINED FROM A LIST PROVIDED BY DUKE ENERGY PROGRESS 2.48 ND/NA CONCENTRATION IN µg/L CONCENTRATION IS NON-DETECT (ND)/NOT AVAILABLE (NA) GENERALIZED WATER TABLE ASH ASH PORE WATER LITHOLOGIC CONTACT MW-16BR MW-16D MW-16S MW-12S ABMW-2 MY-1001 WELL IN TRANSITION ZONE WELL IN SAPROLITE MATERIAL WELL IN ALLUVIUM MATERIAL WELL IN COMPETENT BEDROCK WELL IN ASH PORE WATER WATER SUPPLY WELL GENERALIZED GROUNDWATER FLOW DIRECTION GENERALIZED SUBSURFACE ASH PORE WATER FLOW DIRECTION BEDROCK NOTES 1.MOST RECENT DATA AVAILABLE THROUGH JULY 2017. 2.THE NORTH CAROLINA 2L FOR MOLYBDENUM IS NOT ESTABLISHED. 3.BACKGROUND CONCENTRATION FOR MOLYBDENUM IS 4.17 μg/L WITHIN THE TRANSITION ZONE FLOW LAYER AND 35.2 µg/L WITHIN THE BEDROCK FLOW LAYER. 4.ALL VERTICAL ELEVATIONS ARE MEASURED IN FEET, NORTH AMERICA VERTICAL DATUM (NAVD) OF 1988. LEGEND PROGRESS 6.5 7.6 6.9 6.8 7.6 3.2 5.5 9.9 7.0 7.2 7.6 6.9 6.9 7.5 6.7 6.2 NA 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY: CRAIG EADY DATE:CHRISTINA NEWELL AA_PH 09/14/2017 10/28/2017 5:26 PM P:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\43.Revised CSA Guidance\DWG\DE ROXBORO CROSS-SECTIONS A-D Analytical V2.dwg FIGURE 11-61 pH ANALYTICAL RESULTS CROSS SECTION A-A' ROXBORO STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC SEMORA, NORTH CAROLINA RO10DW-46 &DW-47BG-1BRLBG-1BREFFLUENTDISCHARGE CANALBIO-REACTOR BUILDINGGRAVEL ROADGRAVEL ROADWEST FGD POND EAST FGD POND ASPHALT ROADABMW-3BRHEATED WATER DISCHARGE CANALPLANT ELECTRIC SUBSTATION ASH BASIN WASTE BOUNDARY ASH BASIN COMPLIANCE BOUNDARY SEMORA RDDUKE ENERGY ROXBORO STEAM ELECTRIC PLANT PROPERTY VERTICAL EXAGGERATION 5X WOODLANDELEMENTARY SCHOOLABMW-3BRLASH ASH/SOIL REGOLITH REGOLITH ASH ASH PORE WATER BEDROCKBEDROCK BEDROCKSTEAM ELECTRIC PLANTGRAVEL ROADA'A (NORTH)(SOUTH)MW-5BRMW-5DSLUICE PIPE TRENCH DIRT ROADABMW-3CW-5ABMW-1BRABMW-1TD 398'BG-2BG-1BRLRMW-32BRMW-6BRMW-6DEAST ASH BASIN DUNNAW A Y R D SE M O R A R D (HW Y 5 7 )A'APOWER PLANT NOTE: CROSS SECTION A-A' IS LINEAR IN NATURE AND ALL LOCATIONS NOT ALONG THE CROSS SECTION ARE PROJECTED ONTO THE CROSS SECTION. WEST ASH BASIN HYCO LAKE 0 125 250 500 HORIZONTAL SCALE: 1" = 500' VERTICAL SCALE: 1" = 100' 5X VERTICAL EXAGGERATION HISTORIC GROUND SURFACE BASED ON THE 7-1/2' USGS TOPOGRAPHIC MAP FOR CLUSTER SPRINGS, VA DATED 1968. SOURCE INFORMATION: EXISTING GROUND SURFACE BASED ON A DRAWING PROVIDED BY THE WSP GROUP, TITLED "ROXBORO FINAL", DATED JUNE 8, 2015. WATER SUPPLY WELL INFORMATION WAS OBTAINED FROM A LIST PROVIDED BY DUKE ENERGY PROGRESS 7.6 CONCENTRATION IN STANDARD UNITS (S.U.) GENERALIZED WATER TABLE ASH ASH PORE WATER LITHOLOGIC CONTACT MW-16BR MW-16D MW-16S MW-12S ABMW-2 MY-1001 WELL IN TRANSITION ZONE WELL IN SAPROLITE MATERIAL WELL IN ALLUVIUM MATERIAL WELL IN COMPETENT BEDROCK WELL IN ASH PORE WATER WATER SUPPLY WELL GENERALIZED GROUNDWATER FLOW DIRECTION GENERALIZED SUBSURFACE ASH PORE WATER FLOW DIRECTION BEDROCK NOTES 1.MOST RECENT DATA AVAILABLE THROUGH JULY 2017. 2.THE NORTH CAROLINA 2L FOR pH IS A RANGE OF 6.5 - 8.5 S.U. 3.BACKGROUND CONCENTRATION FOR ph IS A RANGE OF 6.3 - 7.6 S.U. WITHIN THE TRANSITION ZONE FLOW LAYER AND 6.8 - 8.3 S.U. WITHIN THE BEDROCK FLOW LAYER. 4.ALL VERTICAL ELEVATIONS ARE MEASURED IN FEET, NORTH AMERICA VERTICAL DATUM (NAVD) OF 1988. LEGEND PROGRESS 9.9 7.0 6.6 7.9 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY: CRAIG EADY DATE:CHRISTINA NEWELL BB_PH 09/14/2017 FIGURE 11-62 pH ANALYTICAL RESULTS CROSS SECTION B-B' ROXBORO STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC SEMORA, NORTH CAROLINA VERTICAL EXAGGERATION 5X BEDROCK ASH BASIN COMPLIANCE BOUNDARY DUKE ENERGY ROXBORO STEAM ELECTRIC PLANT PROPERTY GRAVEL ROADASH WATER ELEVATION=446' B'B (NORTH)(SOUTH) 10/28/2017 5:26 PM P:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\43.Revised CSA Guidance\DWG\DE ROXBORO CROSS-SECTIONS A-D Analytical V2.dwg ASHABMW-1GRAVEL ROADWAB EXTENSION IMPOUNDMENT HEATED WATER DISCHARGE POND ASH WATER ELEVATION=462' ASH BASIN POND WATER ELEVATION=412'ABMW-1BRABMW-2ABMW-2BRFILTER DIKE WEST ASH BASIN MAIN DAM OUTLET STRUCTURE BEDROCK BEDROCK BEDROCK REGOLITH/PWR REGOLITH/PWR 0 125 250 500 HORIZONTAL SCALE: 1" = 500' VERTICAL SCALE: 1" = 100' 5X VERTICAL EXAGGERATION ASH BASIN WASTE BOUNDARY HISTORIC GROUND SURFACE BASED ON THE 7-1/2' USGS TOPOGRAPHIC MAP FOR CLUSTER SPRINGS, VA DATED 1968. SOURCE INFORMATION: EXISTING GROUND SURFACE BASED ON A DRAWING PROVIDED BY THE WSP GROUP, TITLED "ROXBORO FINAL", DATED JUNE 8, 2015. 7.6 CONCENTRATION IN STANDARD UNITS (S.U.) GENERALIZED WATER TABLE ASH ASH PORE WATER LITHOLOGIC CONTACT MW-16BR MW-16D MW-16S MW-12S ABMW-2 MY-1001 WELL IN TRANSITION ZONE WELL IN SAPROLITE MATERIAL WELL IN ALLUVIUM MATERIAL WELL IN COMPETENT BEDROCK WELL IN ASH PORE WATER WATER SUPPLY WELL GENERALIZED GROUNDWATER FLOW DIRECTION GENERALIZED SUBSURFACE ASH PORE WATER FLOW DIRECTION BEDROCK NOTES 1.MOST RECENT DATA AVAILABLE THROUGH JULY 2017. 2.THE NORTH CAROLINA 2L FOR pH IS A RANGE OF 6.5 - 8.5 S.U. 3.BACKGROUND CONCENTRATION FOR ph IS A RANGE OF 6.3 - 7.6 S.U. WITHIN THE TRANSITION ZONE FLOW LAYER AND 6.8 - 8.3 S.U. WITHIN THE BEDROCK FLOW LAYER. 4.ALL VERTICAL ELEVATIONS ARE MEASURED IN FEET, NORTH AMERICA VERTICAL DATUM (NAVD) OF 1988. LEGEND EAST ASH BASIN DUNNAW A Y R D SE M O R A R D ( H W Y 5 7 )BB' POWER PLANT NOTE: CROSS SECTION B-B' IS LINEAR IN NATURE AND ALL LOCATIONS NOT ALONG THE CROSS SECTION ARE PROJECTED ONTO THE CROSS SECTION. WEST ASH BASIN HYCO LAKE PROGRESS STRUCTURAL FILL GYPSUM SOIL COVER STRUCTURAL FILL 6.6 6.7 5.4 6.5 6.2 7.4 6.5 ASH BASIN WASTE BOUNDARY 11.8 6.3 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY: CRAIG EADY DATE:CHRISTINA NEWELL CC_PH 05/25/2017 FIGURE 11-63 pH ANALYTICAL RESULTS CROSS SECTION C-C' ROXBORO STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC SEMORA, NORTH CAROLINA VERTICAL EXAGGERATION 5X DUKE ENERGY ROXBORO STEAM ELECTRIC PLANT PROPERTY C'C (NORTH)(SOUTH) 10/28/2017 5:26 PM P:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\43.Revised CSA Guidance\DWG\DE ROXBORO CROSS-SECTIONS A-D Analytical V2.dwgGPMW-2DGPMW-2BRRAILROAD TRACKSCOOLING WATERINTAKE CANALGRAVEL ROADPONDMW-22DMW-22BRMW-22BRLGMW-11MW-13BRMW-19BRLGRAVEL ROADGRAVEL ROADRO3ASH ASH RESIDENCEROADBEDROCK BEDROCK BEDROCK BEDROCK REGOLITH REGOLITH ASH BASIN COMPLIANCE BOUNDARY INDUSTRIAL LANDFILL APPROXIMATE PHASE 1-5 LINER ELEVATION EAST ASH BASIN DUNNAW A Y R D SE M O R A R D ( H W Y 5 7 )CC' POWER PLANT 0 125 250 500 HORIZONTAL SCALE: 1" = 500' VERTICAL SCALE: 1" = 100' 5X VERTICAL EXAGGERATION NOTE: CROSS SECTION C-C' IS LINEAR IN NATURE AND ALL LOCATIONS NOT ALONG THE CROSS SECTION ARE PROJECTED ONTO THE CROSS SECTION. WEST ASH BASIN HYCO LAKE APPROXIMATE PHASE 6 LINER ELEVATION HISTORIC GROUND SURFACE BASED ON THE 7-1/2' USGS TOPOGRAPHIC MAP FOR CLUSTER SPRINGS, VA DATED 1968. SOURCE INFORMATION: EXISTING GROUND SURFACE BASED ON A DRAWING PROVIDED BY THE WSP GROUP, TITLED "ROXBORO FINAL", DATED JUNE 8, 2015. WATER SUPPLY WELL INFORMATION WAS OBTAINED FROM A LIST PROVIDED BY DUKE ENERGY PROGRESS. 7.6 CONCENTRATION IN STANDARD UNITS (S.U.) GENERALIZED WATER TABLE ASH ASH PORE WATER LITHOLOGIC CONTACT MW-16BR MW-16D MW-16S MW-12S ABMW-2 MY-1001 WELL IN TRANSITION ZONE WELL IN SAPROLITE MATERIAL WELL IN ALLUVIUM MATERIAL WELL IN COMPETENT BEDROCK WELL IN ASH PORE WATER WATER SUPPLY WELL GENERALIZED GROUNDWATER FLOW DIRECTION GENERALIZED SUBSURFACE ASH PORE WATER FLOW DIRECTION BEDROCK NOTES 1.MOST RECENT DATA AVAILABLE THROUGH JULY 2017. 2.THE NORTH CAROLINA 2L FOR pH IS A RANGE OF 6.5 - 8.5 S.U. 3.BACKGROUND CONCENTRATION FOR ph IS A RANGE OF 6.3 - 7.6 S.U. WITHIN THE TRANSITION ZONE FLOW LAYER AND 6.8 - 8.3 S.U. WITHIN THE BEDROCK FLOW LAYER. 4.ALL VERTICAL ELEVATIONS ARE MEASURED IN FEET, NORTH AMERICA VERTICAL DATUM (NAVD) OF 1988. LEGEND PROGRESS REGOLITH EAB EXTENSION IMPOUNDMENT EAB SEPARATOR DIKE 6.6 7.6 7.8 7.3 COOLING TOWER POND WATER ELEVATION=409' SOIL ASH PORE WATER APPROXIMATE LINER ELEVATION INDUSTRIAL LANDFILL DUKE ENERGY ROXBORO STEAM ELECTRIC PLANT PROPERTY ASH BASIN WASTE BOUNDARY ASH BASIN COMPLIANCE BOUNDARY 6.8 6.2 6.0 NA NA 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY: CRAIG EADY DATE:CHRISTINA NEWELL DD_PH 09/14/2017 10/28/2017 5:26 PM P:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\43.Revised CSA Guidance\DWG\DE ROXBORO CROSS-SECTIONS A-D Analytical V2.dwg FIGURE 11-64 pH ANALYTICAL RESULTS CROSS SECTION D-D' ROXBORO STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC SEMORA, NORTH CAROLINARO4DW-26McGHESS MILL RDVERTICAL EXAGGERATION 5X BEDROCKDIRT ROADMW-17BRPZ-12GMW-6GMW-2GRAVEL ROADGRAVEL ROADASH WATER ELEVATION=465' DD' (SOUTHEAST)(NORTHWEST)RESIDENCERESIDENCERESIDENCEMW-20BRLRO13DW-21RO7DW-25MW-24BRMW-20BRL ARTESIAN WELL BEDROCK BEDROCK BEDROCK ASH GMW-2ABEDROCK EAST ASH BASIN DUNNAW A Y R D SE M O R A R D ( H W Y 5 7 ) D D' POWER PLANT 0 125 250 500 HORIZONTAL SCALE: 1" = 500' VERTICAL SCALE: 1" = 100' 5X VERTICAL EXAGGERATION NOTE: CROSS SECTION D-D' IS LINEAR IN NATURE AND ALL LOCATIONS NOT ALONG THE CROSS SECTION ARE PROJECTED ONTO THE CROSS SECTION. WEST ASH BASIN HYCO LAKE HISTORIC GROUND SURFACE BASED ON THE 7-1/2' USGS TOPOGRAPHIC MAP FOR CLUSTER SPRINGS, VA DATED 1968. SOURCE INFORMATION: EXISTING GROUND SURFACE BASED ON A DRAWING PROVIDED BY THE WSP GROUP, TITLED "ROXBORO FINAL", DATED JUNE 8, 2015. WATER SUPPLY WELL INFORMATION WAS OBTAINED FROM A LIST PROVIDED BY DUKE ENERGY PROGRESS. 7.6 CONCENTRATION IN STANDARD UNITS (S.U.) GENERALIZED WATER TABLE ASH ASH PORE WATER LITHOLOGIC CONTACT MW-16BR MW-16D MW-16S MW-12S ABMW-2 MY-1001 WELL IN TRANSITION ZONE WELL IN SAPROLITE MATERIAL WELL IN ALLUVIUM MATERIAL WELL IN COMPETENT BEDROCK WELL IN ASH PORE WATER WATER SUPPLY WELL GENERALIZED GROUNDWATER FLOW DIRECTION GENERALIZED SUBSURFACE ASH PORE WATER FLOW DIRECTION BEDROCK NOTES 1.MOST RECENT DATA AVAILABLE THROUGH JULY 2017. 2.THE NORTH CAROLINA 2L FOR pH IS A RANGE OF 6.5 - 8.5 S.U. 3.BACKGROUND CONCENTRATION FOR ph IS A RANGE OF 6.3 - 7.6 S.U. WITHIN THE TRANSITION ZONE FLOW LAYER AND 6.8 - 8.3 S.U. WITHIN THE BEDROCK FLOW LAYER. 4.ALL VERTICAL ELEVATIONS ARE MEASURED IN FEET, NORTH AMERICA VERTICAL DATUM (NAVD) OF 1988. LEGEND PROGRESS ND/NA CONCENTRATION IS NON-DETECT (ND)/NOT AVAILABLE (NA) ND ND 5.74 ND ND ND ND ND ND ND ND 3.99 ND ND NA ND 1.3 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY: CRAIG EADY DATE:CHRISTINA NEWELL AA_SELENIUM 09/14/2017 10/28/2017 5:26 PM P:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\43.Revised CSA Guidance\DWG\DE ROXBORO CROSS-SECTIONS A-D Analytical V2.dwg FIGURE 11-65 SELENIUM ANALYTICAL RESULTS CROSS SECTION A-A' ROXBORO STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC SEMORA, NORTH CAROLINA RO10DW-46 &DW-47BG-1BRLBG-1BREFFLUENTDISCHARGE CANALBIO-REACTOR BUILDINGGRAVEL ROADGRAVEL ROADWEST FGD POND EAST FGD POND ASPHALT ROADABMW-3BRHEATED WATER DISCHARGE CANALPLANT ELECTRIC SUBSTATION ASH BASIN WASTE BOUNDARY ASH BASIN COMPLIANCE BOUNDARY SEMORA RDDUKE ENERGY ROXBORO STEAM ELECTRIC PLANT PROPERTY VERTICAL EXAGGERATION 5X WOODLANDELEMENTARY SCHOOLABMW-3BRLASH ASH/SOIL REGOLITH REGOLITH ASH ASH PORE WATER BEDROCKBEDROCK BEDROCKSTEAM ELECTRIC PLANTGRAVEL ROADA'A (NORTH)(SOUTH)MW-5BRMW-5DSLUICE PIPE TRENCH DIRT ROADABMW-3CW-5ABMW-1BRABMW-1BG-2BG-1BRLRMW-32BRMW-6BRMW-6DEAST ASH BASIN DUNNAW A Y R D SE M O R A R D (HW Y 5 7 )A'APOWER PLANT NOTE: CROSS SECTION A-A' IS LINEAR IN NATURE AND ALL LOCATIONS NOT ALONG THE CROSS SECTION ARE PROJECTED ONTO THE CROSS SECTION. WEST ASH BASIN HYCO LAKE 0 125 250 500 HORIZONTAL SCALE: 1" = 500' VERTICAL SCALE: 1" = 100' 5X VERTICAL EXAGGERATION HISTORIC GROUND SURFACE BASED ON THE 7-1/2' USGS TOPOGRAPHIC MAP FOR CLUSTER SPRINGS, VA DATED 1968. SOURCE INFORMATION: EXISTING GROUND SURFACE BASED ON A DRAWING PROVIDED BY THE WSP GROUP, TITLED "ROXBORO FINAL", DATED JUNE 8, 2015. WATER SUPPLY WELL INFORMATION WAS OBTAINED FROM A LIST PROVIDED BY DUKE ENERGY PROGRESS. 5.74 CONCENTRATION IN µg/L CONCENTRATION IS NON-DETECT (ND) / NOT AVAILABLE (NA) GENERALIZED WATER TABLE ASH ASH PORE WATER LITHOLOGIC CONTACT MW-16BR MW-16D MW-16S MW-12S ABMW-2 MY-1001 WELL IN TRANSITION ZONE WELL IN SAPROLITE MATERIAL WELL IN ALLUVIUM MATERIAL WELL IN COMPETENT BEDROCK WELL IN ASH PORE WATER WATER SUPPLY WELL GENERALIZED GROUNDWATER FLOW DIRECTION GENERALIZED SUBSURFACE ASH PORE WATER FLOW DIRECTION BEDROCK NOTES 1.MOST RECENT DATA AVAILABLE THROUGH JULY 2017. 2.THE NORTH CAROLINA 2L FOR SELENIUM IS 20 μg/L. 3.BACKGROUND CONCENTRATION FOR SELENIUM IS 1.78 μg/L WITHIN THE TRANSITION ZONE FLOW LAYER AND 1 µg/L WITHIN THE BEDROCK FLOW LAYER. 4.ALL VERTICAL ELEVATIONS ARE MEASURED IN FEET, NORTH AMERICA VERTICAL DATUM (NAVD) OF 1988. LEGEND PROGRESS ND/NA ND 5.74 ND ND 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY: CRAIG EADY DATE:CHRISTINA NEWELL BB_SELENIUM 09/14/2017 FIGURE 11-66 SELENIUM ANALYTICAL RESULTS CROSS SECTION B-B' ROXBORO STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC SEMORA, NORTH CAROLINA VERTICAL EXAGGERATION 5X BEDROCK ASH BASIN COMPLIANCE BOUNDARY DUKE ENERGY ROXBORO STEAM ELECTRIC PLANT PROPERTY GRAVEL ROADASH WATER ELEVATION=446' B'B (NORTH)(SOUTH) 10/28/2017 5:26 PM P:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\43.Revised CSA Guidance\DWG\DE ROXBORO CROSS-SECTIONS A-D Analytical V2.dwg ASHABMW-1GRAVEL ROADWAB EXTENSION IMPOUNDMENT HEATED WATER DISCHARGE POND ASH WATER ELEVATION=462' ASH BASIN POND WATER ELEVATION=412'ABMW-1BRABMW-2ABMW-2BRFILTER DIKE WEST ASH BASIN MAIN DAM OUTLET STRUCTURE BEDROCK BEDROCK BEDROCK REGOLITH/PWR REGOLITH/PWR TOP OF ROCK ~378' 0 125 250 500 HORIZONTAL SCALE: 1" = 500' VERTICAL SCALE: 1" = 100' 5X VERTICAL EXAGGERATION ASH BASIN WASTE BOUNDARY HISTORIC GROUND SURFACE BASED ON THE 7-1/2' USGS TOPOGRAPHIC MAP FOR CLUSTER SPRINGS, VA DATED 1968. SOURCE INFORMATION: EXISTING GROUND SURFACE BASED ON A DRAWING PROVIDED BY THE WSP GROUP, TITLED "ROXBORO FINAL", DATED JUNE 8, 2015. 5.74 CONCENTRATION IN µg/L CONCENTRATION IS NON-DETECT (ND) / NOT AVAILABLE (NA) GENERALIZED WATER TABLE ASH ASH PORE WATER LITHOLOGIC CONTACT MW-16BR MW-16D MW-16S MW-12S ABMW-2 MY-1001 WELL IN TRANSITION ZONE WELL IN SAPROLITE MATERIAL WELL IN ALLUVIUM MATERIAL WELL IN COMPETENT BEDROCK WELL IN ASH PORE WATER WATER SUPPLY WELL GENERALIZED GROUNDWATER FLOW DIRECTION GENERALIZED SUBSURFACE ASH PORE WATER FLOW DIRECTION BEDROCK NOTES 1.MOST RECENT DATA AVAILABLE THROUGH JULY 2017. 2.THE NORTH CAROLINA 2L FOR SELENIUM IS 20 μg/L. 3.BACKGROUND CONCENTRATION FOR SELENIUM IS 1.78 μg/L WITHIN THE TRANSITION ZONE FLOW LAYER AND 1 µg/L WITHIN THE BEDROCK FLOW LAYER. 4.ALL VERTICAL ELEVATIONS ARE MEASURED IN FEET, NORTH AMERICA VERTICAL DATUM (NAVD) OF 1988. LEGEND EAST ASH BASIN DUNNAW A Y R D SE M O R A R D ( H W Y 5 7 )BB' POWER PLANT NOTE: CROSS SECTION B-B' IS LINEAR IN NATURE AND ALL LOCATIONS NOT ALONG THE CROSS SECTION ARE PROJECTED ONTO THE CROSS SECTION. WEST ASH BASIN HYCO LAKE PROGRESS ND/NA STRUCTURAL FILL GYPSUM SOIL COVER STRUCTURAL FILL ND 1.25 92.9 1.19 108 ND ND 20 ASH BASIN WASTE BOUNDARY ND 3.52 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY: CRAIG EADY DATE:CHRISTINA NEWELL CC_SELENIUM 05/25/2017 FIGURE 11-67 SELENIUM ANALYTICAL RESULTS CROSS SECTION C-C' ROXBORO STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC SEMORA, NORTH CAROLINA VERTICAL EXAGGERATION 5X DUKE ENERGY ROXBORO STEAM ELECTRIC PLANT PROPERTY C'C (NORTH)(SOUTH) 10/28/2017 5:26 PM P:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\43.Revised CSA Guidance\DWG\DE ROXBORO CROSS-SECTIONS A-D Analytical V2.dwgGPMW-2DGPMW-2BRRAILROAD TRACKSCOOLING WATERINTAKE CANALGRAVEL ROADPONDMW-22DMW-22BRMW-22BRLGMW-11MW-13BRMW-19BRLGRAVEL ROADGRAVEL ROADRO3ASH ASH RESIDENCEROADBEDROCK BEDROCK BEDROCK BEDROCK REGOLITH REGOLITH ASH BASIN COMPLIANCE BOUNDARY INDUSTRIAL LANDFILL APPROXIMATE PHASE 1-5 LINER ELEVATION EAST ASH BASIN DUNNAW A Y R D SE M O R A R D ( H W Y 5 7 )CC' POWER PLANT 0 125 250 500 HORIZONTAL SCALE: 1" = 500' VERTICAL SCALE: 1" = 100' 5X VERTICAL EXAGGERATION NOTE: CROSS SECTION C-C' IS LINEAR IN NATURE AND ALL LOCATIONS NOT ALONG THE CROSS SECTION ARE PROJECTED ONTO THE CROSS SECTION. WEST ASH BASIN HYCO LAKE APPROXIMATE PHASE 6 LINER ELEVATION HISTORIC GROUND SURFACE BASED ON THE 7-1/2' USGS TOPOGRAPHIC MAP FOR CLUSTER SPRINGS, VA DATED 1968. SOURCE INFORMATION: EXISTING GROUND SURFACE BASED ON A DRAWING PROVIDED BY THE WSP GROUP, TITLED "ROXBORO FINAL", DATED JUNE 8, 2015. WATER SUPPLY WELL INFORMATION WAS OBTAINED FROM A LIST PROVIDED BY DUKE ENERGY PROGRESS. 5.74 CONCENTRATION IN µg/L CONCENTRATION IS NON-DETECT (ND) / NOT AVAILABLE (NA) GENERALIZED WATER TABLE ASH ASH PORE WATER LITHOLOGIC CONTACT MW-16BR MW-16D MW-16S MW-12S ABMW-2 MY-1001 WELL IN TRANSITION ZONE WELL IN SAPROLITE MATERIAL WELL IN ALLUVIUM MATERIAL WELL IN COMPETENT BEDROCK WELL IN ASH PORE WATER WATER SUPPLY WELL GENERALIZED GROUNDWATER FLOW DIRECTION GENERALIZED SUBSURFACE ASH PORE WATER FLOW DIRECTION BEDROCK NOTES 1.MOST RECENT DATA AVAILABLE THROUGH JULY 2017. 2.THE NORTH CAROLINA 2L FOR SELENIUM IS 20 μg/L. 3.BACKGROUND CONCENTRATION FOR SELENIUM IS 1.78 μg/L WITHIN THE TRANSITION ZONE FLOW LAYER AND 1 µg/L WITHIN THE BEDROCK FLOW LAYER. 4.ALL VERTICAL ELEVATIONS ARE MEASURED IN FEET, NORTH AMERICA VERTICAL DATUM (NAVD) OF 1988. 5.(3.52) INFERRED VALUE FROM SAMPLE WITH pH 78.5. LEGEND SELENIUM ISOPLETH IN mg/L (2L STANDARD = 20 mg/L) PROGRESS ND/NA REGOLITH EAB EXTENSION IMPOUNDMENT EAB SEPARATOR DIKE 72.9 ND ND ND NA 20COOLING TOWER POND WATER ELEVATION=409' SOIL ASH PORE WATER APPROXIMATE LINER ELEVATION INDUSTRIAL LANDFILL DUKE ENERGY ROXBORO STEAM ELECTRIC PLANT PROPERTY ASH BASIN WASTE BOUNDARY ASH BASIN COMPLIANCE BOUNDARY 20 NA ND ND ND 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY: CRAIG EADY DATE:CHRISTINA NEWELL DD_SELENIUM 09/14/2017 10/28/2017 5:26 PM P:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\43.Revised CSA Guidance\DWG\DE ROXBORO CROSS-SECTIONS A-D Analytical V2.dwg FIGURE 11-68 SELENIUM ANALYTICAL RESULTS CROSS SECTION D-D' ROXBORO STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC SEMORA, NORTH CAROLINARO4DW-26McGHESS MILL RDVERTICAL EXAGGERATION 5X BEDROCKDIRT ROADMW-17BRPZ-12GMW-6GMW-2GRAVEL ROADGRAVEL ROADASH WATER ELEVATION=465' DD' (SOUTHEAST)(NORTHWEST)RESIDENCERESIDENCERESIDENCEMW-20BRLRO13DW-21RO7DW-25MW-24BRMW-20BRL ARTESIAN WELL BEDROCK BEDROCK BEDROCK ASH GMW-2ABEDROCK EAST ASH BASIN DUNNAW A Y R D SE M O R A R D ( H W Y 5 7 ) D D' POWER PLANT 0 125 250 500 HORIZONTAL SCALE: 1" = 500' VERTICAL SCALE: 1" = 100' 5X VERTICAL EXAGGERATION NOTE: CROSS SECTION D-D' IS LINEAR IN NATURE AND ALL LOCATIONS NOT ALONG THE CROSS SECTION ARE PROJECTED ONTO THE CROSS SECTION. WEST ASH BASIN HYCO LAKE HISTORIC GROUND SURFACE BASED ON THE 7-1/2' USGS TOPOGRAPHIC MAP FOR CLUSTER SPRINGS, VA DATED 1968. SOURCE INFORMATION: EXISTING GROUND SURFACE BASED ON A DRAWING PROVIDED BY THE WSP GROUP, TITLED "ROXBORO FINAL", DATED JUNE 8, 2015. WATER SUPPLY WELL INFORMATION WAS OBTAINED FROM A LIST PROVIDED BY DUKE ENERGY PROGRESS. 5.74 ND/NA CONCENTRATION IN µg/L CONCENTRATION IS NON-DETECT (ND)/NOT AVAILABLE (NA) GENERALIZED WATER TABLE ASH ASH PORE WATER LITHOLOGIC CONTACT MW-16BR MW-16D MW-16S MW-12S ABMW-2 MY-1001 WELL IN TRANSITION ZONE WELL IN SAPROLITE MATERIAL WELL IN ALLUVIUM MATERIAL WELL IN COMPETENT BEDROCK WELL IN ASH PORE WATER WATER SUPPLY WELL GENERALIZED GROUNDWATER FLOW DIRECTION GENERALIZED SUBSURFACE ASH PORE WATER FLOW DIRECTION BEDROCK NOTES 1.MOST RECENT DATA AVAILABLE THROUGH JULY 2017. 2.THE NORTH CAROLINA 2L FOR SELENIUM IS 20 μg/L. 3.BACKGROUND CONCENTRATION FOR SELENIUM IS 1.78 μg/L WITHIN THE TRANSITION ZONE FLOW LAYER AND 1 µg/L WITHIN THE BEDROCK FLOW LAYER. 4.ALL VERTICAL ELEVATIONS ARE MEASURED IN FEET, NORTH AMERICA VERTICAL DATUM (NAVD) OF 1988. LEGEND SELENIUM ISOPLETH IN mg/L (2L STANDARD = 20 mg/L) PROGRESS 189 157 379 306 319 1360 1860 818 2120 178 602 819 179 268 NA 570 358 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY: CRAIG EADY DATE:CHRISTINA NEWELL AA_STRONTIUM 09/14/2017 10/28/2017 5:27 PM P:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\43.Revised CSA Guidance\DWG\DE ROXBORO CROSS-SECTIONS A-D Analytical V2.dwg FIGURE 11-69 STRONTIUM ANALYTICAL RESULTS CROSS SECTION A-A' ROXBORO STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC SEMORA, NORTH CAROLINA RO10DW-46 &DW-47BG-1BRLBG-1BREFFLUENTDISCHARGE CANALBIO-REACTOR BUILDINGGRAVEL ROADGRAVEL ROADWEST FGD POND EAST FGD POND ASPHALT ROADABMW-3BRHEATED WATER DISCHARGE CANALPLANT ELECTRIC SUBSTATION ASH BASIN WASTE BOUNDARY ASH BASIN COMPLIANCE BOUNDARY SEMORA RDDUKE ENERGY ROXBORO STEAM ELECTRIC PLANT PROPERTY VERTICAL EXAGGERATION 5X WOODLANDELEMENTARY SCHOOLABMW-3BRLASH ASH/SOIL REGOLITH REGOLITH ASH ASH PORE WATER BEDROCKBEDROCK BEDROCKSTEAM ELECTRIC PLANTGRAVEL ROADA'A (NORTH)(SOUTH)MW-5BRMW-5DSLUICE PIPE TRENCH DIRT ROADABMW-3CW-5ABMW-1BRABMW-1BG-2BG-1BRLRMW-32BRMW-6BRMW-6DEAST ASH BASIN DUNNAW A Y R D SE M O R A R D (H W Y 5 7 )A'APOWER PLANT NOTE: CROSS SECTION A-A' IS LINEAR IN NATURE AND ALL LOCATIONS NOT ALONG THE CROSS SECTION ARE PROJECTED ONTO THE CROSS SECTION. WEST ASH BASIN HYCO LAKE 0 125 250 500 HORIZONTAL SCALE: 1" = 500' VERTICAL SCALE: 1" = 100' 5X VERTICAL EXAGGERATION HISTORIC GROUND SURFACE BASED ON THE 7-1/2' USGS TOPOGRAPHIC MAP FOR CLUSTER SPRINGS, VA DATED 1968. SOURCE INFORMATION: EXISTING GROUND SURFACE BASED ON A DRAWING PROVIDED BY THE WSP GROUP, TITLED "ROXBORO FINAL", DATED JUNE 8, 2015. WATER SUPPLY WELL INFORMATION WAS OBTAINED FROM A LIST PROVIDED BY DUKE ENERGY PROGRESS. ASH ASH PORE WATER LITHOLOGIC CONTACT MW-16BR MW-16D MW-16S MW-12S ABMW-2 MY-1001 WELL IN TRANSITION ZONE WELL IN SAPROLITE MATERIAL WELL IN ALLUVIUM MATERIAL WELL IN COMPETENT BEDROCK WELL IN ASH PORE WATER WATER SUPPLY WELL BEDROCK NOTES 1.MOST RECENT DATA AVAILABLE THROUGH JULY 2017. 2.THE NORTH CAROLINA 2L FOR STRONTIUM HAS NOT BEEN ESTABLISHED. 3.BACKGROUND CONCENTRATION FOR STRONTIUM IS 760 μg/L WITHIN THE TRANSITION ZONE FLOW LAYER AND 232 µg/L WITHIN THE BEDROCK FLOW LAYER. 4.ALL VERTICAL ELEVATIONS ARE MEASURED IN FEET, NORTH AMERICA VERTICAL DATUM (NAVD) OF 1988. LEGEND 180 CONCENTRATION IN µg/L STRONTIUM (> BACKGROUND) CONCENTRATION IS NON-DETECT (ND) / NOT AVAILABLE (NA) GENERALIZED WATER TABLE GENERALIZED GROUNDWATER FLOW DIRECTION GENERALIZED SUBSURFACE ASH PORE WATER FLOW DIRECTION PROGRESS ND/NA 2120 178 978 568 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY: CRAIG EADY DATE:CHRISTINA NEWELL BB_STRONTIUM 09/14/2017 FIGURE 11-70 STRONTIUM ANALYTICAL RESULTS CROSS SECTION B-B' ROXBORO STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC SEMORA, NORTH CAROLINA VERTICAL EXAGGERATION 5X BEDROCK ASH BASIN COMPLIANCE BOUNDARY DUKE ENERGY ROXBORO STEAM ELECTRIC PLANT PROPERTY GRAVEL ROADASH WATER ELEVATION=446' B'B (NORTH)(SOUTH) 10/28/2017 5:27 PM P:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\43.Revised CSA Guidance\DWG\DE ROXBORO CROSS-SECTIONS A-D Analytical V2.dwg ASHABMW-1GRAVEL ROADWAB EXTENSION IMPOUNDMENT HEATED WATER DISCHARGE POND ASH WATER ELEVATION=462' ASH BASIN POND WATER ELEVATION=412'ABMW-1BRABMW-2ABMW-2BRFILTER DIKE WEST ASH BASIN MAIN DAM OUTLET STRUCTURE FORMER SARGENTS CREEK BEDROCK BEDROCK BEDROCK REGOLITH/PWR REGOLITH/PWR 0 125 250 500 HORIZONTAL SCALE: 1" = 500' VERTICAL SCALE: 1" = 100' 5X VERTICAL EXAGGERATION ASH BASIN WASTE BOUNDARY HISTORIC GROUND SURFACE BASED ON THE 7-1/2' USGS TOPOGRAPHIC MAP FOR CLUSTER SPRINGS, VA DATED 1968. SOURCE INFORMATION: EXISTING GROUND SURFACE BASED ON A DRAWING PROVIDED BY THE WSP GROUP, TITLED "ROXBORO FINAL", DATED JUNE 8, 2015. ASH ASH PORE WATER LITHOLOGIC CONTACT MW-16BR MW-16D MW-16S MW-12S ABMW-2 MY-1001 WELL IN TRANSITION ZONE WELL IN SAPROLITE MATERIAL WELL IN ALLUVIUM MATERIAL WELL IN COMPETENT BEDROCK WELL IN ASH PORE WATER WATER SUPPLY WELL BEDROCK NOTES 1.MOST RECENT DATA AVAILABLE THROUGH JULY 2017. 2.THE NORTH CAROLINA 2L FOR STRONTIUM HAS NOT BEEN ESTABLISHED. 3.BACKGROUND CONCENTRATION FOR STRONTIUM IS 760 μg/L WITHIN THE TRANSITION ZONE FLOW LAYER AND 232 µg/L WITHIN THE BEDROCK FLOW LAYER. 4.ALL VERTICAL ELEVATIONS ARE MEASURED IN FEET, NORTH AMERICA VERTICAL DATUM (NAVD) OF 1988. LEGEND EAST ASH BASIN DUNNAW A Y R D SE M O R A R D ( H W Y 5 7 )BB' POWER PLANT NOTE: CROSS SECTION B-B' IS LINEAR IN NATURE AND ALL LOCATIONS NOT ALONG THE CROSS SECTION ARE PROJECTED ONTO THE CROSS SECTION. WEST ASH BASIN HYCO LAKE 180 CONCENTRATION IN µg/L STRONTIUM (> BACKGROUND ) CONCENTRATION IS NON-DETECT (ND) / NOT AVAILABLE (NA) GENERALIZED WATER TABLE GENERALIZED GROUNDWATER FLOW DIRECTION GENERALIZED SUBSURFACE ASH PORE WATER FLOW DIRECTION PROGRESS ND/NA STRUCTURAL FILL GYPSUM SOIL COVER STRUCTURAL FILL 872 1300 1230 574 482 424 226 ASH BASIN WASTE BOUNDARY NA 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY: CRAIG EADY DATE:CHRISTINA NEWELL CC_STRONTIUM 05/25/2017 FIGURE 11-71 STRONTIUM ANALYTICAL RESULTS CROSS SECTION C-C' ROXBORO STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC SEMORA, NORTH CAROLINA VERTICAL EXAGGERATION 5X DUKE ENERGY ROXBORO STEAM ELECTRIC PLANT PROPERTY C'C (NORTH)(SOUTH) 10/28/2017 5:27 PM P:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\43.Revised CSA Guidance\DWG\DE ROXBORO CROSS-SECTIONS A-D Analytical V2.dwgGPMW-2DGPMW-2BRRAILROAD TRACKSCOOLING WATERINTAKE CANALGRAVEL ROADPONDMW-22DMW-22BRMW-22BRLGMW-11MW-13BRMW-19BRLGRAVEL ROADGRAVEL ROADRO3ASH ASH RESIDENCEROADBEDROCK BEDROCK BEDROCK BEDROCK REGOLITH REGOLITH FILL SOIL COVER ASH BASIN COMPLIANCE BOUNDARY INDUSTRIAL LANDFILL APPROXIMATE PHASE 1-5 LINER ELEVATION EAST ASH BASIN DUNNAW A Y R D SE M O R A R D ( H W Y 5 7 )CC' POWER PLANT 0 125 250 500 HORIZONTAL SCALE: 1" = 500' VERTICAL SCALE: 1" = 100' 5X VERTICAL EXAGGERATION NOTE: CROSS SECTION C-C' IS LINEAR IN NATURE AND ALL LOCATIONS NOT ALONG THE CROSS SECTION ARE PROJECTED ONTO THE CROSS SECTION. WEST ASH BASIN HYCO LAKE APPROXIMATE PHASE 6 LINER ELEVATION HISTORIC GROUND SURFACE BASED ON THE 7-1/2' USGS TOPOGRAPHIC MAP FOR CLUSTER SPRINGS, VA DATED 1968. SOURCE INFORMATION: EXISTING GROUND SURFACE BASED ON A DRAWING PROVIDED BY THE WSP GROUP, TITLED "ROXBORO FINAL", DATED JUNE 8, 2015. WATER SUPPLY WELL INFORMATION WAS OBTAINED FROM A LIST PROVIDED BY DUKE ENERGY PROGRESS. ASH ASH PORE WATER LITHOLOGIC CONTACT MW-16BR MW-16D MW-16S MW-12S ABMW-2 MY-1001 WELL IN TRANSITION ZONE WELL IN SAPROLITE MATERIAL WELL IN ALLUVIUM MATERIAL WELL IN COMPETENT BEDROCK WELL IN ASH PORE WATER WATER SUPPLY WELL BEDROCK NOTES 1.MOST RECENT DATA AVAILABLE THROUGH JULY 2017. 2.THE NORTH CAROLINA 2L FOR STRONTIUM HAS NOT BEEN ESTABLISHED. 3.BACKGROUND CONCENTRATION FOR STRONTIUM IS 760 μg/L WITHIN THE TRANSITION ZONE FLOW LAYER AND 232 µg/L WITHIN THE BEDROCK FLOW LAYER. 4.ALL VERTICAL ELEVATIONS ARE MEASURED IN FEET, NORTH AMERICA VERTICAL DATUM (NAVD) OF 1988. LEGEND 180 CONCENTRATION IN µg/L STRONTIUM ( > BACKGROUND) CONCENTRATION IS NON-DETECT (ND) / NOT AVAILABLE (NA) GENERALIZED WATER TABLE GENERALIZED GROUNDWATER FLOW DIRECTION GENERALIZED SUBSURFACE ASH PORE WATER FLOW DIRECTION PROGRESS ND/NA REGOLITH EAB EXTENSION IMPOUNDMENT EAB SEPARATOR DIKE 999 184 ND 892 NA COOLING TOWER POND WATER ELEVATION=409' SOIL ASH PORE WATER APPROXIMATE LINER ELEVATION INDUSTRIAL LANDFILL DUKE ENERGY ROXBORO STEAM ELECTRIC PLANT PROPERTY ASH BASIN WASTE BOUNDARY ASH BASIN COMPLIANCE BOUNDARY 260 268 166 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY: CRAIG EADY DATE:CHRISTINA NEWELL DD_STRONTIUM 09/14/2017 10/28/2017 5:27 PM P:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\43.Revised CSA Guidance\DWG\DE ROXBORO CROSS-SECTIONS A-D Analytical V2.dwg FIGURE 11-72 STRONTIUM ANALYTICAL RESULTS CROSS SECTION D-D' ROXBORO STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC SEMORA, NORTH CAROLINARO4DW-26McGHESS MILL RDVERTICAL EXAGGERATION 5X BEDROCKDIRT ROADMW-17BRPZ-12GMW-6GMW-2GRAVEL ROADGRAVEL ROADASH WATER ELEVATION=465' DD' (SOUTHEAST)(NORTHWEST)RESIDENCERESIDENCERESIDENCEMW-20BRLRO13DW-21RO7DW-25MW-24BRMW-20BRL ARTESIAN WELL BEDROCK BEDROCK BEDROCK ASH GMW-2ABEDROCK EAST ASH BASIN DUNNAW A Y R D SE M O R A R D ( H W Y 5 7 ) D D' POWER PLANT 0 125 250 500 HORIZONTAL SCALE: 1" = 500' VERTICAL SCALE: 1" = 100' 5X VERTICAL EXAGGERATION NOTE: CROSS SECTION D-D' IS LINEAR IN NATURE AND ALL LOCATIONS NOT ALONG THE CROSS SECTION ARE PROJECTED ONTO THE CROSS SECTION. WEST ASH BASIN HYCO LAKE HISTORIC GROUND SURFACE BASED ON THE 7-1/2' USGS TOPOGRAPHIC MAP FOR CLUSTER SPRINGS, VA DATED 1968. SOURCE INFORMATION: EXISTING GROUND SURFACE BASED ON A DRAWING PROVIDED BY THE WSP GROUP, TITLED "ROXBORO FINAL", DATED JUNE 8, 2015. WATER SUPPLY WELL INFORMATION WAS OBTAINED FROM A LIST PROVIDED BY DUKE ENERGY PROGRESS. ASH ASH PORE WATER LITHOLOGIC CONTACT MW-16BR MW-16D MW-16S MW-12S ABMW-2 MY-1001 WELL IN TRANSITION ZONE WELL IN SAPROLITE MATERIAL WELL IN ALLUVIUM MATERIAL WELL IN COMPETENT BEDROCK WELL IN ASH PORE WATER WATER SUPPLY WELL BEDROCK NOTES 1.MOST RECENT DATA AVAILABLE THROUGH JULY 2017. 2.THE NORTH CAROLINA 2L FOR STRONTIUM HAS NOT BEEN ESTABLISHED. 3.BACKGROUND CONCENTRATION FOR STRONTIUM IS 760 μg/L WITHIN THE TRANSITION ZONE FLOW LAYER AND 232 µg/L WITHIN THE BEDROCK FLOW LAYER. 4.ALL VERTICAL ELEVATIONS ARE MEASURED IN FEET, NORTH AMERICA VERTICAL DATUM (NAVD) OF 1988. LEGEND 180 ND/NA CONCENTRATION IN µg/L STRONTIUM ISOPLETH (> BACKGROUND) CONCENTRATION IS NON-DETECT (ND)/NOT AVAILABLE (NA) GENERALIZED WATER TABLE GENERALIZED GROUNDWATER FLOW DIRECTION GENERALIZED SUBSURFACE ASH PORE WATER FLOW DIRECTION PROGRESS 37 14 400 250 290 990 2700 500 190 20 410 390 19 21 250 250 250 NA 25 28 250 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY: CRAIG EADY DATE:CHRISTINA NEWELL AA_SULFATE 09/14/2017 10/28/2017 5:27 PM P:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\43.Revised CSA Guidance\DWG\DE ROXBORO CROSS-SECTIONS A-D Analytical V2.dwg FIGURE 11-73 SULFATE ANALYTICAL RESULTS CROSS SECTION A-A' ROXBORO STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC SEMORA, NORTH CAROLINA RO10DW-46 &DW-47BG-1BRLBG-1BREFFLUENTDISCHARGE CANALBIO-REACTOR BUILDINGGRAVEL ROADGRAVEL ROADWEST FGD POND EAST FGD POND ASPHALT ROADABMW-3BRHEATED WATER DISCHARGE CANALPLANT ELECTRIC SUBSTATION ASH BASIN WASTE BOUNDARY ASH BASIN COMPLIANCE BOUNDARY SEMORA RDDUKE ENERGY ROXBORO STEAM ELECTRIC PLANT PROPERTY VERTICAL EXAGGERATION 5X WOODLANDELEMENTARY SCHOOLABMW-3BRLASH ASH/SOIL REGOLITH REGOLITH ASH ASH PORE WATER BEDROCKBEDROCK BEDROCKSTEAM ELECTRIC PLANTGRAVEL ROADA'A (NORTH)(SOUTH)MW-5BRMW-5DSLUICE PIPE TRENCH DIRT ROADABMW-3CW-5ABMW-1BRABMW-1BG-2BG-1BRLRMW-32BRMW-6BRMW-6DEAST ASH BASIN DUNNAW A Y R D SE M O R A R D (H W Y 5 7 )A'APOWER PLANT NOTE: CROSS SECTION A-A' IS LINEAR IN NATURE AND ALL LOCATIONS NOT ALONG THE CROSS SECTION ARE PROJECTED ONTO THE CROSS SECTION. WEST ASH BASIN HYCO LAKE 0 125 250 500 HORIZONTAL SCALE: 1" = 500' VERTICAL SCALE: 1" = 100' 5X VERTICAL EXAGGERATION HISTORIC GROUND SURFACE BASED ON THE 7-1/2' USGS TOPOGRAPHIC MAP FOR CLUSTER SPRINGS, VA DATED 1968. SOURCE INFORMATION: EXISTING GROUND SURFACE BASED ON A DRAWING PROVIDED BY THE WSP GROUP, TITLED "ROXBORO FINAL", DATED JUNE 8, 2015. WATER SUPPLY WELL INFORMATION WAS OBTAINED FROM A LIST PROVIDED BY DUKE ENERGY PROGRESS.500 CONCENTRATION IN mg/L SULFATE ISOPLETH IN mg/L (2L STANDARD = 250 mg/L) CONCENTRATION IS NON-DETECT (ND) / NOT AVAILABLE (NA) GENERALIZED WATER TABLE ASH ASH PORE WATER LITHOLOGIC CONTACT MW-16BR MW-16D MW-16S MW-12S ABMW-2 MY-1001 WELL IN TRANSITION ZONE WELL IN SAPROLITE MATERIAL WELL IN ALLUVIUM MATERIAL WELL IN COMPETENT BEDROCK WELL IN ASH PORE WATER WATER SUPPLY WELL GENERALIZED GROUNDWATER FLOW DIRECTION GENERALIZED SUBSURFACE ASH PORE WATER FLOW DIRECTION BEDROCK NOTES 1.MOST RECENT DATA AVAILABLE THROUGH JULY 2017. 2.THE NORTH CAROLINA 2L FOR SULFATE IS 250 mg/L. 3.BACKGROUND CONCENTRATION FOR SULFATE IS 37 mg/L WITHIN THE TRANSITION ZONE FLOW LAYER AND 73.5 mg/L WITHIN THE BEDROCK FLOW LAYER. 4.ALL VERTICAL ELEVATIONS ARE MEASURED IN FEET, NORTH AMERICA VERTICAL DATUM (NAVD) OF 1988. LEGEND PROGRESS ND/NA 190 12 110 20 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY: CRAIG EADY DATE:CHRISTINA NEWELL BB_SULFATE 09/14/2017 FIGURE 11-74 SULFATE ANALYTICAL RESULTS CROSS SECTION B-B' ROXBORO STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC SEMORA, NORTH CAROLINA VERTICAL EXAGGERATION 5X BEDROCK ASH BASIN COMPLIANCE BOUNDARY DUKE ENERGY ROXBORO STEAM ELECTRIC PLANT PROPERTY GRAVEL ROADASH WATER ELEVATION=446' B'B (NORTH)(SOUTH) 10/28/2017 5:27 PM P:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\43.Revised CSA Guidance\DWG\DE ROXBORO CROSS-SECTIONS A-D Analytical V2.dwg ASHABMW-1GRAVEL ROADWAB EXTENSION IMPOUNDMENT HEATED WATER DISCHARGE POND ASH WATER ELEVATION=462' ASH BASIN POND WATER ELEVATION=412'ABMW-1BRABMW-2ABMW-2BRFILTER DIKE WEST ASH BASIN MAIN DAM OUTLET STRUCTURE BEDROCK BEDROCK BEDROCK REGOLITH/PWR REGOLITH/PWR 0 125 250 500 HORIZONTAL SCALE: 1" = 500' VERTICAL SCALE: 1" = 100' 5X VERTICAL EXAGGERATION ASH BASIN WASTE BOUNDARY HISTORIC GROUND SURFACE BASED ON THE 7-1/2' USGS TOPOGRAPHIC MAP FOR CLUSTER SPRINGS, VA DATED 1968. SOURCE INFORMATION: EXISTING GROUND SURFACE BASED ON A DRAWING PROVIDED BY THE WSP GROUP, TITLED "ROXBORO FINAL", DATED JUNE 8, 2015.190 CONCENTRATION IN mg/L CONCENTRATION IS NON-DETECT (ND) / NOT AVAILABLE (NA) GENERALIZED WATER TABLE ASH ASH PORE WATER LITHOLOGIC CONTACT MW-16BR MW-16D MW-16S MW-12S ABMW-2 MY-1001 WELL IN TRANSITION ZONE WELL IN SAPROLITE MATERIAL WELL IN ALLUVIUM MATERIAL WELL IN COMPETENT BEDROCK WELL IN ASH PORE WATER WATER SUPPLY WELL GENERALIZED GROUNDWATER FLOW DIRECTION GENERALIZED SUBSURFACE ASH PORE WATER FLOW DIRECTION BEDROCK NOTES 1.MOST RECENT DATA AVAILABLE THROUGH JULY 2017. 2.THE NORTH CAROLINA 2L FOR SULFATE IS 250 mg/L. 3.BACKGROUND CONCENTRATION FOR SULFATE IS 37 mg/L WITHIN THE TRANSITION ZONE FLOW LAYER AND 73.5 mg/L WITHIN THE BEDROCK FLOW LAYER. 4.ALL VERTICAL ELEVATIONS ARE MEASURED IN FEET, NORTH AMERICA VERTICAL DATUM (NAVD) OF 1988. LEGEND EAST ASH BASIN DUNNAW A Y R D SE M O R A R D ( H W Y 5 7 )BB' POWER PLANT NOTE: CROSS SECTION B-B' IS LINEAR IN NATURE AND ALL LOCATIONS NOT ALONG THE CROSS SECTION ARE PROJECTED ONTO THE CROSS SECTION. WEST ASH BASIN HYCO LAKE PROGRESS ND/NA STRUCTURAL FILL GYPSUM SOIL COVER STRUCTURAL FILL 430 1000 840 410 460 32 1.4 250 250 250 250 ASH BASIN WASTE BOUNDARY 71 (120) 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY: CRAIG EADY DATE:CHRISTINA NEWELL CC_SULFATE 05/25/2017 FIGURE 11-75 SULFATE ANALYTICAL RESULTS CROSS SECTION C-C' ROXBORO STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC SEMORA, NORTH CAROLINA VERTICAL EXAGGERATION 5X DUKE ENERGY ROXBORO STEAM ELECTRIC PLANT PROPERTY C'C (NORTH)(SOUTH) 10/28/2017 5:27 PM P:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\43.Revised CSA Guidance\DWG\DE ROXBORO CROSS-SECTIONS A-D Analytical V2.dwgGPMW-2DGPMW-2BRRAILROAD TRACKSCOOLING WATERINTAKE CANALGRAVEL ROADPONDMW-22DMW-22BRMW-22BRLGMW-11MW-13BRMW-19BRLGRAVEL ROADGRAVEL ROADRO3ASH ASH RESIDENCEROADBEDROCK BEDROCK BEDROCK BEDROCK REGOLITH REGOLITH ASH BASIN COMPLIANCE BOUNDARY INDUSTRIAL LANDFILL APPROXIMATE PHASE 1-5 LINER ELEVATION EAST ASH BASIN DUNNAW A Y R D SE M O R A R D ( H W Y 5 7 )CC' POWER PLANT 0 125 250 500 HORIZONTAL SCALE: 1" = 500' VERTICAL SCALE: 1" = 100' 5X VERTICAL EXAGGERATION NOTE: CROSS SECTION C-C' IS LINEAR IN NATURE AND ALL LOCATIONS NOT ALONG THE CROSS SECTION ARE PROJECTED ONTO THE CROSS SECTION. WEST ASH BASIN HYCO LAKE APPROXIMATE PHASE 6 LINER ELEVATION HISTORIC GROUND SURFACE BASED ON THE 7-1/2' USGS TOPOGRAPHIC MAP FOR CLUSTER SPRINGS, VA DATED 1968. SOURCE INFORMATION: EXISTING GROUND SURFACE BASED ON A DRAWING PROVIDED BY THE WSP GROUP, TITLED "ROXBORO FINAL", DATED JUNE 8, 2015. WATER SUPPLY WELL INFORMATION WAS OBTAINED FROM A LIST PROVIDED BY DUKE ENERGY PROGRESS. 190 CONCENTRATION IN mg/L CONCENTRATION IS NON-DETECT (ND) / NOT AVAILABLE (NA) GENERALIZED WATER TABLE ASH ASH PORE WATER LITHOLOGIC CONTACT MW-16BR MW-16D MW-16S MW-12S ABMW-2 MY-1001 WELL IN TRANSITION ZONE WELL IN SAPROLITE MATERIAL WELL IN ALLUVIUM MATERIAL WELL IN COMPETENT BEDROCK WELL IN ASH PORE WATER WATER SUPPLY WELL GENERALIZED GROUNDWATER FLOW DIRECTION GENERALIZED SUBSURFACE ASH PORE WATER FLOW DIRECTION BEDROCK NOTES 1.MOST RECENT DATA AVAILABLE THROUGH JULY 2017. 2.THE NORTH CAROLINA 2L FOR SULFATE IS 250 mg/L. 3.BACKGROUND CONCENTRATION FOR SULFATE IS 37 mg/L WITHIN THE TRANSITION ZONE FLOW LAYER AND 73.5 mg/L WITHIN THE BEDROCK FLOW LAYER. 4.ALL VERTICAL ELEVATIONS ARE MEASURED IN FEET, NORTH AMERICA VERTICAL DATUM (NAVD) OF 1988. 5.(120) INFERRED VALUE FROM SAMPLE WITH pH > 8.5. LEGEND SULFATE ISOPLETH IN mg/L (2L STANDARD = 250 mg/L) ND/NA PROGRESS REGOLITH EAB EXTENSION IMPOUNDMENT EAB SEPARATOR DIKE 560 10 68 35 250 NA COOLING TOWER POND WATER ELEVATION=409' SOIL ASH PORE WATER APPROXIMATE LINER ELEVATION INDUSTRIAL LANDFILL DUKE ENERGY ROXBORO STEAM ELECTRIC PLANT PROPERTY ASH BASIN WASTE BOUNDARY ASH BASIN COMPLIANCE BOUNDARY 250 7 7.1 2.6 NA 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY: CRAIG EADY DATE:CHRISTINA NEWELL DD_SULFATE 09/14/2017 10/28/2017 5:27 PM P:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\43.Revised CSA Guidance\DWG\DE ROXBORO CROSS-SECTIONS A-D Analytical V2.dwg FIGURE 11-76 SULFATE ANALYTICAL RESULTS CROSS SECTION D-D' ROXBORO STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC SEMORA, NORTH CAROLINARO4DW-26McGHESS MILL RDVERTICAL EXAGGERATION 5X BEDROCKDIRT ROADMW-17BRPZ-12GMW-6GMW-2GRAVEL ROADGRAVEL ROADASH WATER ELEVATION=465' DD' (SOUTHEAST)(NORTHWEST)RESIDENCERESIDENCERESIDENCEMW-20BRLRO13DW-21RO7DW-25MW-24BRMW-20BRL ARTESIAN WELL BEDROCK BEDROCK BEDROCK ASH GMW-2ABEDROCK EAST ASH BASIN DUNNAW A Y R D SE M O R A R D ( H W Y 5 7 ) D D' POWER PLANT 0 125 250 500 HORIZONTAL SCALE: 1" = 500' VERTICAL SCALE: 1" = 100' 5X VERTICAL EXAGGERATION NOTE: CROSS SECTION D-D' IS LINEAR IN NATURE AND ALL LOCATIONS NOT ALONG THE CROSS SECTION ARE PROJECTED ONTO THE CROSS SECTION. WEST ASH BASIN HYCO LAKE SULFATE ISOPLETH IN mg/L (2L STANDARD = 250 mg/L) HISTORIC GROUND SURFACE BASED ON THE 7-1/2' USGS TOPOGRAPHIC MAP FOR CLUSTER SPRINGS, VA DATED 1968. SOURCE INFORMATION: EXISTING GROUND SURFACE BASED ON A DRAWING PROVIDED BY THE WSP GROUP, TITLED "ROXBORO FINAL", DATED JUNE 8, 2015. WATER SUPPLY WELL INFORMATION WAS OBTAINED FROM A LIST PROVIDED BY DUKE ENERGY PROGRESS. 190 CONCENTRATION IN mg/L CONCENTRATION IS NON-DETECT (ND) / NOT AVAILABLE (NA) GENERALIZED WATER TABLE ASH ASH PORE WATER LITHOLOGIC CONTACT MW-16BR MW-16D MW-16S MW-12S ABMW-2 MY-1001 WELL IN TRANSITION ZONE WELL IN SAPROLITE MATERIAL WELL IN ALLUVIUM MATERIAL WELL IN COMPETENT BEDROCK WELL IN ASH PORE WATER WATER SUPPLY WELL GENERALIZED GROUNDWATER FLOW DIRECTION GENERALIZED SUBSURFACE ASH PORE WATER FLOW DIRECTION BEDROCK NOTES 1.MOST RECENT DATA AVAILABLE THROUGH JULY 2017. 2.THE NORTH CAROLINA 2L FOR SULFATE IS 250 mg/L. 3.BACKGROUND CONCENTRATION FOR SULFATE IS 37 mg/L WITHIN THE TRANSITION ZONE FLOW LAYER AND 73.5 mg/L WITHIN THE BEDROCK FLOW LAYER. 4.ALL VERTICAL ELEVATIONS ARE MEASURED IN FEET, NORTH AMERICA VERTICAL DATUM (NAVD) OF 1988. LEGEND PROGRESS ND/NA 400 1400 4200 920 340 400 250 560 490 700 620 320 310 1100 NA 369 474 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY: CRAIG EADY DATE:CHRISTINA NEWELL AA_TOTALDS 09/14/2017 10/28/2017 5:27 PM P:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\43.Revised CSA Guidance\DWG\DE ROXBORO CROSS-SECTIONS A-D Analytical V2.dwg FIGURE 11-77 TOTAL DISSOLVED SOLIDS (TDS) ANALYTICAL RESULTS CROSS SECTION A-A' ROXBORO STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC SEMORA, NORTH CAROLINA RO10DW-46 &DW-47BG-1BRLBG-1BREFFLUENTDISCHARGE CANALBIO-REACTOR BUILDINGGRAVEL ROADGRAVEL ROADWEST FGD POND EAST FGD POND ASPHALT ROADABMW-3BRHEATED WATER DISCHARGE CANALPLANT ELECTRIC SUBSTATION ASH BASIN WASTE BOUNDARY ASH BASIN COMPLIANCE BOUNDARY SEMORA RDDUKE ENERGY ROXBORO STEAM ELECTRIC PLANT PROPERTY VERTICAL EXAGGERATION 5X WOODLANDELEMENTARY SCHOOLABMW-3BRLASH ASH/SOIL REGOLITH REGOLITH ASH ASH PORE WATER BEDROCKBEDROCK BEDROCKSTEAM ELECTRIC PLANTGRAVEL ROADA'A (NORTH)(SOUTH)MW-5BRMW-5DSLUICE PIPE TRENCH DIRT ROADABMW-3CW-5ABMW-1BRABMW-1BG-2BG-1BRLRMW-32BRMW-6BRMW-6DEAST ASH BASIN DUNNAW A Y R D SE M O R A R D (HW Y 5 7 )A'APOWER PLANT NOTE: CROSS SECTION A-A' IS LINEAR IN NATURE AND ALL LOCATIONS NOT ALONG THE CROSS SECTION ARE PROJECTED ONTO THE CROSS SECTION. WEST ASH BASIN HYCO LAKE 0 125 250 500 HORIZONTAL SCALE: 1" = 500' VERTICAL SCALE: 1" = 100' 5X VERTICAL EXAGGERATION HISTORIC GROUND SURFACE BASED ON THE 7-1/2' USGS TOPOGRAPHIC MAP FOR CLUSTER SPRINGS, VA DATED 1968. SOURCE INFORMATION: EXISTING GROUND SURFACE BASED ON A DRAWING PROVIDED BY THE WSP GROUP, TITLED "ROXBORO FINAL", DATED JUNE 8, 2015. WATER SUPPLY WELL INFORMATION WAS OBTAINED FROM A LIST PROVIDED BY DUKE ENERGY PROGRESS. 920 CONCENTRATION IN mg/L TOTAL DISSOLVED SOLIDS (TDS) ISOPLETH IN mg/L (> BACKGROUND) CONCENTRATION IS NON-DETECT (ND) / NOT AVAILABLE (NA) GENERALIZED WATER TABLE ASH ASH PORE WATER LITHOLOGIC CONTACT MW-16BR MW-16D MW-16S MW-12S ABMW-2 MY-1001 WELL IN TRANSITION ZONE WELL IN SAPROLITE MATERIAL WELL IN ALLUVIUM MATERIAL WELL IN COMPETENT BEDROCK WELL IN ASH PORE WATER WATER SUPPLY WELL GENERALIZED GROUNDWATER FLOW DIRECTION GENERALIZED SUBSURFACE ASH PORE WATER FLOW DIRECTION BEDROCK NOTES 1.MOST RECENT DATA AVAILABLE THROUGH JULY 2017. 2.THE NORTH CAROLINA 2L FOR TOTAL DISSOLVED SOLIDS (TDS) IS 500 mg/L. 3.BACKGROUND CONCENTRATION FOR TOTAL DISSOLVED SOLIDS (TDS) IS 540 mg/L WITHIN THE TRANSITION ZONE FLOW LAYER AND 530 mg/L WITHIN THE BEDROCK FLOW LAYER. 4.ALL VERTICAL ELEVATIONS ARE MEASURED IN FEET, NORTH AMERICA VERTICAL DATUM (NAVD) OF 1988. LEGEND PROGRESS ND/NA 400 340 280 480 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY: CRAIG EADY DATE:CHRISTINA NEWELL BB_TOTALDS 09/14/2017 FIGURE 11-78 TOTAL DISSOLVED SOLIDS (TDS) ANALYTICAL RESULTS CROSS SECTION B-B' ROXBORO STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC SEMORA, NORTH CAROLINA VERTICAL EXAGGERATION 5X BEDROCK ASH BASIN COMPLIANCE BOUNDARY DUKE ENERGY ROXBORO STEAM ELECTRIC PLANT PROPERTY GRAVEL ROADASH WATER ELEVATION=446' B'B (NORTH)(SOUTH) 10/28/2017 5:27 PM P:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\43.Revised CSA Guidance\DWG\DE ROXBORO CROSS-SECTIONS A-D Analytical V2.dwg ASHABMW-1GRAVEL ROADWAB EXTENSION IMPOUNDMENT HEATED WATER DISCHARGE POND ASH WATER ELEVATION=462' ASH BASIN POND WATER ELEVATION=412'ABMW-1BRABMW-2ABMW-2BRFILTER DIKE WEST ASH BASIN MAIN DAM OUTLET STRUCTURE BEDROCK BEDROCK BEDROCK REGOLITH/PWR REGOLITH/PWR 0 125 250 500 HORIZONTAL SCALE: 1" = 500' VERTICAL SCALE: 1" = 100' 5X VERTICAL EXAGGERATION ASH BASIN WASTE BOUNDARY HISTORIC GROUND SURFACE BASED ON THE 7-1/2' USGS TOPOGRAPHIC MAP FOR CLUSTER SPRINGS, VA DATED 1968. SOURCE INFORMATION: EXISTING GROUND SURFACE BASED ON A DRAWING PROVIDED BY THE WSP GROUP, TITLED "ROXBORO FINAL", DATED JUNE 8, 2015. 480 CONCENTRATION IN mg/L CONCENTRATION IS NON-DETECT (ND) / NOT AVAILABLE (NA) GENERALIZED WATER TABLE ASH ASH PORE WATER LITHOLOGIC CONTACT MW-16BR MW-16D MW-16S MW-12S ABMW-2 MY-1001 WELL IN TRANSITION ZONE WELL IN SAPROLITE MATERIAL WELL IN ALLUVIUM MATERIAL WELL IN COMPETENT BEDROCK WELL IN ASH PORE WATER WATER SUPPLY WELL GENERALIZED GROUNDWATER FLOW DIRECTION GENERALIZED SUBSURFACE ASH PORE WATER FLOW DIRECTION BEDROCK NOTES 1.MOST RECENT DATA AVAILABLE THROUGH JULY 2017. 2.THE NORTH CAROLINA 2L FOR TOTAL DISSOLVED SOLIDS (TDS) IS 500 mg/L. 3.BACKGROUND CONCENTRATION FOR TOTAL DISSOLVED SOLIDS (TDS) IS 540 mg/L WITHIN THE TRANSITION ZONE FLOW LAYER AND 530 mg/L WITHIN THE BEDROCK FLOW LAYER. 4.ALL VERTICAL ELEVATIONS ARE MEASURED IN FEET, NORTH AMERICA VERTICAL DATUM (NAVD) OF 1988. LEGEND EAST ASH BASIN DUNNAW A Y R D SE M O R A R D ( H W Y 5 7 )BB' POWER PLANT NOTE: CROSS SECTION B-B' IS LINEAR IN NATURE AND ALL LOCATIONS NOT ALONG THE CROSS SECTION ARE PROJECTED ONTO THE CROSS SECTION. WEST ASH BASIN HYCO LAKE PROGRESS ND/NA STRUCTURAL FILL GYPSUM SOIL COVER STRUCTURAL FILL 980 2000 1500 910 900 420 460 540 540 540 540 ASH BASIN WASTE BOUNDARY 267 (560) 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY: CRAIG EADY DATE:CHRISTINA NEWELL CC_TOTALDS 05/25/2017 FIGURE 11-79 TOTAL DISSOLVED SOLIDS (TDS) ANALYTICAL RESULTS CROSS SECTION C-C' ROXBORO STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC SEMORA, NORTH CAROLINA VERTICAL EXAGGERATION 5X DUKE ENERGY ROXBORO STEAM ELECTRIC PLANT PROPERTY C'C (NORTH)(SOUTH) 10/28/2017 5:27 PM P:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\43.Revised CSA Guidance\DWG\DE ROXBORO CROSS-SECTIONS A-D Analytical V2.dwgGPMW-2DGPMW-2BRRAILROAD TRACKSCOOLING WATERINTAKE CANALGRAVEL ROADPONDMW-22DMW-22BRMW-22BRLGMW-11MW-13BRMW-19BRLGRAVEL ROADGRAVEL ROADRO3ASH ASH RESIDENCEROADBEDROCK BEDROCK BEDROCK BEDROCK REGOLITH REGOLITH ASH BASIN COMPLIANCE BOUNDARY INDUSTRIAL LANDFILL APPROXIMATE PHASE 1-5 LINER ELEVATION EAST ASH BASIN DUNNAW A Y R D SE M O R A R D ( H W Y 5 7 )CC' POWER PLANT 0 125 250 500 HORIZONTAL SCALE: 1" = 500' VERTICAL SCALE: 1" = 100' 5X VERTICAL EXAGGERATION NOTE: CROSS SECTION C-C' IS LINEAR IN NATURE AND ALL LOCATIONS NOT ALONG THE CROSS SECTION ARE PROJECTED ONTO THE CROSS SECTION. WEST ASH BASIN HYCO LAKE APPROXIMATE PHASE 6 LINER ELEVATION HISTORIC GROUND SURFACE BASED ON THE 7-1/2' USGS TOPOGRAPHIC MAP FOR CLUSTER SPRINGS, VA DATED 1968. SOURCE INFORMATION: EXISTING GROUND SURFACE BASED ON A DRAWING PROVIDED BY THE WSP GROUP, TITLED "ROXBORO FINAL", DATED JUNE 8, 2015. WATER SUPPLY WELL INFORMATION WAS OBTAINED FROM A LIST PROVIDED BY DUKE ENERGY PROGRESS. 920 CONCENTRATION IN mg/L TOTAL DISSOLVED SOLIDS (TDS) ISOPLETH IN mg/L (BEDROCK BACKGROUN VALUE = 530 mg/L) CONCENTRATION IS NON-DETECT (ND) / NOT AVAILABLE (NA) GENERALIZED WATER TABLE ASH ASH PORE WATER LITHOLOGIC CONTACT MW-16BR MW-16D MW-16S MW-12S ABMW-2 MY-1001 WELL IN TRANSITION ZONE WELL IN SAPROLITE MATERIAL WELL IN ALLUVIUM MATERIAL WELL IN COMPETENT BEDROCK WELL IN ASH PORE WATER WATER SUPPLY WELL GENERALIZED GROUNDWATER FLOW DIRECTION GENERALIZED SUBSURFACE ASH PORE WATER FLOW DIRECTION BEDROCK NOTES 1.MOST RECENT DATA AVAILABLE THROUGH JULY 2017. 2.THE NORTH CAROLINA 2L FOR TOTAL DISSOLVED SOLIDS (TDS) IS 500 mg/L. 3.BACKGROUND CONCENTRATION FOR TOTAL DISSOLVED SOLIDS (TDS) IS 540 mg/L WITHIN THE TRANSITION ZONE FLOW LAYER AND 530 mg/L WITHIN THE BEDROCK FLOW LAYER. 4.ALL VERTICAL ELEVATIONS ARE MEASURED IN FEET, NORTH AMERICA VERTICAL DATUM (NAVD) OF 1988. 5.(560) INFERRED VALUE FROM SAMPLE WITH pH > 8.5. LEGEND PROGRESS ND/NA REGOLITH EAB EXTENSION IMPOUNDMENT EAB SEPARATOR DIKE 1200 250 300 410 NA COOLING TOWER POND WATER ELEVATION=409' SOIL ASH PORE WATER APPROXIMATE LINER ELEVATION INDUSTRIAL LANDFILL DUKE ENERGY ROXBORO STEAM ELECTRIC PLANT PROPERTY ASH BASIN WASTE BOUNDARY ASH BASIN COMPLIANCE BOUNDARY NA 267 200 138 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY: CRAIG EADY DATE:CHRISTINA NEWELL DD_TOTALDS 09/14/2017 10/28/2017 5:27 PM P:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\43.Revised CSA Guidance\DWG\DE ROXBORO CROSS-SECTIONS A-D Analytical V2.dwg FIGURE 11-80 TOTAL DISSOLVED SOLIDS (TDS) ANALYTICAL RESULTS CROSS SECTION D-D' ROXBORO STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC SEMORA, NORTH CAROLINARO4DW-26McGHESS MILL RDVERTICAL EXAGGERATION 5X BEDROCKDIRT ROADMW-17BRPZ-12GMW-6GMW-2GRAVEL ROADGRAVEL ROADASH WATER ELEVATION=465' DD' (SOUTHEAST)(NORTHWEST)RESIDENCERESIDENCERESIDENCEMW-20BRLRO13DW-21RO7DW-25MW-24BRMW-20BRL ARTESIAN WELL BEDROCK BEDROCK BEDROCK ASH GMW-2ABEDROCK EAST ASH BASIN DUNNAW A Y R D SE M O R A R D ( H W Y 5 7 ) D D' POWER PLANT 0 125 250 500 HORIZONTAL SCALE: 1" = 500' VERTICAL SCALE: 1" = 100' 5X VERTICAL EXAGGERATION NOTE: CROSS SECTION D-D' IS LINEAR IN NATURE AND ALL LOCATIONS NOT ALONG THE CROSS SECTION ARE PROJECTED ONTO THE CROSS SECTION. WEST ASH BASIN HYCO LAKE TOTAL DISSOLVED SOLIDS (TDS) ISOPLETH IN mg/L (> BACKGROUND ) HISTORIC GROUND SURFACE BASED ON THE 7-1/2' USGS TOPOGRAPHIC MAP FOR CLUSTER SPRINGS, VA DATED 1968. SOURCE INFORMATION: EXISTING GROUND SURFACE BASED ON A DRAWING PROVIDED BY THE WSP GROUP, TITLED "ROXBORO FINAL", DATED JUNE 8, 2015. WATER SUPPLY WELL INFORMATION WAS OBTAINED FROM A LIST PROVIDED BY DUKE ENERGY PROGRESS. 190 ND/NA CONCENTRATION IN mg/L CONCENTRATION IS NON-DETECT (ND)/NOT AVAILABLE (NA) GENERALIZED WATER TABLE ASH ASH PORE WATER LITHOLOGIC CONTACT MW-16BR MW-16D MW-16S MW-12S ABMW-2 MY-1001 WELL IN TRANSITION ZONE WELL IN SAPROLITE MATERIAL WELL IN ALLUVIUM MATERIAL WELL IN COMPETENT BEDROCK WELL IN ASH PORE WATER WATER SUPPLY WELL GENERALIZED GROUNDWATER FLOW DIRECTION GENERALIZED SUBSURFACE ASH PORE WATER FLOW DIRECTION BEDROCK NOTES 1.MOST RECENT DATA AVAILABLE THROUGH JULY 2017. 2.THE NORTH CAROLINA 2L FOR TOTAL DISSOLVED SOLIDS (TDS) IS 500 mg/L. 3.BACKGROUND CONCENTRATION FOR TOTAL DISSOLVED SOLIDS (TDS) IS 540 mg/L WITHIN THE TRANSITION ZONE FLOW LAYER AND 530 mg/L WITHIN THE BEDROCK FLOW LAYER. 4.ALL VERTICAL ELEVATIONS ARE MEASURED IN FEET, NORTH AMERICA VERTICAL DATUM (NAVD) OF 1988. LEGEND PROGRESS 0.00031 0.000218 0.00349 0.00025 0.00029 0.000462 0.00181 0.00089 0.0000712 0.00126 0.0385 0.000871 ND ND NA NA NA 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY: CRAIG EADY DATE:CHRISTINA NEWELL AA_TOTALURAN 09/14/2017 10/28/2017 5:28 PM P:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\43.Revised CSA Guidance\DWG\DE ROXBORO CROSS-SECTIONS A-D Analytical V2.dwg FIGURE 11-81 TOTAL URANIUM ANALYTICAL RESULTS CROSS SECTION A-A' ROXBORO STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC SEMORA, NORTH CAROLINA RO10DW-46 &DW-47BG-1BRLBG-1BREFFLUENTDISCHARGE CANALBIO-REACTOR BUILDINGGRAVEL ROADGRAVEL ROADWEST FGD POND EAST FGD POND ASPHALT ROADABMW-3BRHEATED WATER DISCHARGE CANALPLANT ELECTRIC SUBSTATION ASH BASIN WASTE BOUNDARY ASH BASIN COMPLIANCE BOUNDARY SEMORA RDDUKE ENERGY ROXBORO STEAM ELECTRIC PLANT PROPERTY VERTICAL EXAGGERATION 5X WOODLANDELEMENTARY SCHOOLABMW-3BRLASH ASH/SOIL REGOLITH REGOLITH ASH ASH PORE WATER BEDROCKBEDROCK BEDROCKSTEAM ELECTRIC PLANTGRAVEL ROADA'A (NORTH)(SOUTH)MW-5BRMW-5DSLUICE PIPE TRENCH DIRT ROADABMW-3CW-5ABMW-1BRABMW-1BG-2BG-1BRLRMW-32BRMW-6BRMW-6DEAST ASH BASIN DUNNAW A Y R D SE M O R A R D (HW Y 5 7 )A'APOWER PLANT NOTE: CROSS SECTION A-A' IS LINEAR IN NATURE AND ALL LOCATIONS NOT ALONG THE CROSS SECTION ARE PROJECTED ONTO THE CROSS SECTION. WEST ASH BASIN HYCO LAKE 0 125 250 500 HORIZONTAL SCALE: 1" = 500' VERTICAL SCALE: 1" = 100' 5X VERTICAL EXAGGERATION HISTORIC GROUND SURFACE BASED ON THE 7-1/2' USGS TOPOGRAPHIC MAP FOR CLUSTER SPRINGS, VA DATED 1968. SOURCE INFORMATION: EXISTING GROUND SURFACE BASED ON A DRAWING PROVIDED BY THE WSP GROUP, TITLED "ROXBORO FINAL", DATED JUNE 8, 2015. WATER SUPPLY WELL INFORMATION WAS OBTAINED FROM A LIST PROVIDED BY DUKE ENERGY PROGRESS. 0.00349 CONCENTRATION IN µg/L CONCENTRATION IS NON-DETECT (ND) / NOT AVAILABLE (NA) GENERALIZED WATER TABLE ASH ASH PORE WATER LITHOLOGIC CONTACT MW-16BR MW-16D MW-16S MW-12S ABMW-2 MY-1001 WELL IN TRANSITION ZONE WELL IN SAPROLITE MATERIAL WELL IN ALLUVIUM MATERIAL WELL IN COMPETENT BEDROCK WELL IN ASH PORE WATER WATER SUPPLY WELL GENERALIZED GROUNDWATER FLOW DIRECTION GENERALIZED SUBSURFACE ASH PORE WATER FLOW DIRECTION BEDROCK NOTES 1.MOST RECENT DATA AVAILABLE THROUGH JULY 2017. 2.THE NORTH CAROLINA 2L FOR TOTAL URANIUM HAS NOT BEEN ESTABLISHED. 3.BACKGROUND CONCENTRATION FOR TOTAL URANIUM IS 0.00516 µg/L WITHIN THE TRANSITION ZONE FLOW LAYER AND 0.00324 µg/L WITHIN THE BEDROCK FLOW LAYER. 4.ALL VERTICAL ELEVATIONS ARE MEASURED IN FEET, NORTH AMERICA VERTICAL DATUM (NAVD) OF 1988. LEGEND PROGRESS ND/NA 0.0000712 0.000633 0.000129ND 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY: CRAIG EADY DATE:CHRISTINA NEWELL BB_TOTALURAN 09/14/2017 FIGURE 11-82 TOTAL URANIUM ANALYTICAL RESULTS CROSS SECTION B-B' ROXBORO STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC SEMORA, NORTH CAROLINA VERTICAL EXAGGERATION 5X BEDROCK ASH BASIN COMPLIANCE BOUNDARY DUKE ENERGY ROXBORO STEAM ELECTRIC PLANT PROPERTY GRAVEL ROADASH WATER ELEVATION=446' B'B (NORTH)(SOUTH) 10/28/2017 5:28 PM P:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\43.Revised CSA Guidance\DWG\DE ROXBORO CROSS-SECTIONS A-D Analytical V2.dwg ASHABMW-1GRAVEL ROADWAB EXTENSION IMPOUNDMENT HEATED WATER DISCHARGE POND ASH WATER ELEVATION=462' ASH BASIN POND WATER ELEVATION=412'ABMW-1BRABMW-2ABMW-2BRFILTER DIKE WEST ASH BASIN MAIN DAM OUTLET STRUCTURE BEDROCK BEDROCK BEDROCK REGOLITH/PWR REGOLITH/PWR 0 125 250 500 HORIZONTAL SCALE: 1" = 500' VERTICAL SCALE: 1" = 100' 5X VERTICAL EXAGGERATION ASH BASIN WASTE BOUNDARY HISTORIC GROUND SURFACE BASED ON THE 7-1/2' USGS TOPOGRAPHIC MAP FOR CLUSTER SPRINGS, VA DATED 1968. SOURCE INFORMATION: EXISTING GROUND SURFACE BASED ON A DRAWING PROVIDED BY THE WSP GROUP, TITLED "ROXBORO FINAL", DATED JUNE 8, 2015. 0.000129 CONCENTRATION IN µg/L CONCENTRATION IS NON-DETECT (ND) / NOT AVAILABLE (NA) GENERALIZED WATER TABLE ASH ASH PORE WATER LITHOLOGIC CONTACT MW-16BR MW-16D MW-16S MW-12S ABMW-2 MY-1001 WELL IN TRANSITION ZONE WELL IN SAPROLITE MATERIAL WELL IN ALLUVIUM MATERIAL WELL IN COMPETENT BEDROCK WELL IN ASH PORE WATER WATER SUPPLY WELL GENERALIZED GROUNDWATER FLOW DIRECTION GENERALIZED SUBSURFACE ASH PORE WATER FLOW DIRECTION BEDROCK NOTES 1.MOST RECENT DATA AVAILABLE THROUGH JULY 2017. 2.THE NORTH CAROLINA 2L FOR TOTAL URANIUM HAS NOT BEEN ESTABLISHED. 3.BACKGROUND CONCENTRATION FOR TOTAL URANIUM IS 0.00516 µg/L WITHIN THE TRANSITION ZONE FLOW LAYER AND 0.00324 µg/L WITHIN THE BEDROCK FLOW LAYER. 4.ALL VERTICAL ELEVATIONS ARE MEASURED IN FEET, NORTH AMERICA VERTICAL DATUM (NAVD) OF 1988. LEGEND EAST ASH BASIN DUNNAW A Y R D SE M O R A R D ( H W Y 5 7 )BB' POWER PLANT NOTE: CROSS SECTION B-B' IS LINEAR IN NATURE AND ALL LOCATIONS NOT ALONG THE CROSS SECTION ARE PROJECTED ONTO THE CROSS SECTION. WEST ASH BASIN HYCO LAKE PROGRESS ND/NA STRUCTURAL FILL GYPSUM SOIL COVER STRUCTURAL FILL 0.00465 0.000132 0.000962 0.00236 0.00112 ND ND ASH BASIN WASTE BOUNDARY NA NA 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY: CRAIG EADY DATE:CHRISTINA NEWELL CC_TOTALURAN 05/25/2017 FIGURE 11-83 TOTAL URANIUM ANALYTICAL RESULTS CROSS SECTION C-C' ROXBORO STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC SEMORA, NORTH CAROLINA VERTICAL EXAGGERATION 5X DUKE ENERGY ROXBORO STEAM ELECTRIC PLANT PROPERTY C'C (NORTH)(SOUTH) 10/28/2017 5:28 PM P:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\43.Revised CSA Guidance\DWG\DE ROXBORO CROSS-SECTIONS A-D Analytical V2.dwgGPMW-2DGPMW-2BRRAILROAD TRACKSCOOLING WATERINTAKE CANALGRAVEL ROADPONDMW-22DMW-22BRMW-22BRLGMW-11MW-13BRMW-19BRLGRAVEL ROADGRAVEL ROADRO3ASH ASH RESIDENCEROADBEDROCK BEDROCK BEDROCK BEDROCK REGOLITH REGOLITHSOIL COVER ASH BASIN COMPLIANCE BOUNDARY INDUSTRIAL LANDFILL APPROXIMATE PHASE 1-5 LINER ELEVATION EAST ASH BASIN DUNNAW A Y R D SE M O R A R D ( H W Y 5 7 )CC' POWER PLANT 0 125 250 500 HORIZONTAL SCALE: 1" = 500' VERTICAL SCALE: 1" = 100' 5X VERTICAL EXAGGERATION NOTE: CROSS SECTION C-C' IS LINEAR IN NATURE AND ALL LOCATIONS NOT ALONG THE CROSS SECTION ARE PROJECTED ONTO THE CROSS SECTION. WEST ASH BASIN HYCO LAKE APPROXIMATE PHASE 6 LINER ELEVATION HISTORIC GROUND SURFACE BASED ON THE 7-1/2' USGS TOPOGRAPHIC MAP FOR CLUSTER SPRINGS, VA DATED 1968. SOURCE INFORMATION: EXISTING GROUND SURFACE BASED ON A DRAWING PROVIDED BY THE WSP GROUP, TITLED "ROXBORO FINAL", DATED JUNE 8, 2015. WATER SUPPLY WELL INFORMATION WAS OBTAINED FROM A LIST PROVIDED BY DUKE ENERGY PROGRESS. 0.000129 CONCENTRATION IN µg/L CONCENTRATION IS NON-DETECT (ND) / NOT AVAILABLE (NA) GENERALIZED WATER TABLE ASH ASH PORE WATER LITHOLOGIC CONTACT MW-16BR MW-16D MW-16S MW-12S ABMW-2 MY-1001 WELL IN TRANSITION ZONE WELL IN SAPROLITE MATERIAL WELL IN ALLUVIUM MATERIAL WELL IN COMPETENT BEDROCK WELL IN ASH PORE WATER WATER SUPPLY WELL GENERALIZED GROUNDWATER FLOW DIRECTION GENERALIZED SUBSURFACE ASH PORE WATER FLOW DIRECTION BEDROCK NOTES 1.MOST RECENT DATA AVAILABLE THROUGH JULY 2017. 2.THE NORTH CAROLINA 2L FOR TOTAL URANIUM HAS NOT BEEN ESTABLISHED. 3.BACKGROUND CONCENTRATION FOR TOTAL URANIUM IS 0.00516 µg/L WITHIN THE TRANSITION ZONE FLOW LAYER AND 0.00324 µg/L WITHIN THE BEDROCK FLOW LAYER. 4.ALL VERTICAL ELEVATIONS ARE MEASURED IN FEET, NORTH AMERICA VERTICAL DATUM (NAVD) OF 1988. LEGEND PROGRESS ND/NA REGOLITH EAB EXTENSION IMPOUNDMENT EAB SEPARATOR DIKE 0.00235 0.00035 0.000983 0.000242 NA COOLING TOWER POND WATER ELEVATION=409' SOIL ASH PORE WATER APPROXIMATE LINER ELEVATION INDUSTRIAL LANDFILL DUKE ENERGY ROXBORO STEAM ELECTRIC PLANT PROPERTY ASH BASIN WASTE BOUNDARY ASH BASIN COMPLIANCE BOUNDARY NA NA NA NA 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY: CRAIG EADY DATE:CHRISTINA NEWELL DD_TOTALURAN 09/14/2017 10/28/2017 5:28 PM P:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\43.Revised CSA Guidance\DWG\DE ROXBORO CROSS-SECTIONS A-D Analytical V2.dwg FIGURE 11-84 TOTAL URANIUM ANALYTICAL RESULTS CROSS SECTION D-D' ROXBORO STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC SEMORA, NORTH CAROLINARO4DW-26McGHESS MILL RDVERTICAL EXAGGERATION 5X BEDROCKDIRT ROADMW-17BRPZ-12GMW-6GMW-2GRAVEL ROADGRAVEL ROADASH WATER ELEVATION=465' DD' (SOUTHEAST)(NORTHWEST)RESIDENCERESIDENCERESIDENCEMW-20BRLRO13DW-21RO7DW-25MW-24BRMW-20BRL ARTESIAN WELL BEDROCK BEDROCK BEDROCK ASH GMW-2ABEDROCK EAST ASH BASIN DUNNAW A Y R D SE M O R A R D ( H W Y 5 7 ) D D' POWER PLANT 0 125 250 500 HORIZONTAL SCALE: 1" = 500' VERTICAL SCALE: 1" = 100' 5X VERTICAL EXAGGERATION NOTE: CROSS SECTION D-D' IS LINEAR IN NATURE AND ALL LOCATIONS NOT ALONG THE CROSS SECTION ARE PROJECTED ONTO THE CROSS SECTION. WEST ASH BASIN HYCO LAKE HISTORIC GROUND SURFACE BASED ON THE 7-1/2' USGS TOPOGRAPHIC MAP FOR CLUSTER SPRINGS, VA DATED 1968. SOURCE INFORMATION: EXISTING GROUND SURFACE BASED ON A DRAWING PROVIDED BY THE WSP GROUP, TITLED "ROXBORO FINAL", DATED JUNE 8, 2015. WATER SUPPLY WELL INFORMATION WAS OBTAINED FROM A LIST PROVIDED BY DUKE ENERGY PROGRESS. 0.000129 ND/NA CONCENTRATION IN µg/L CONCENTRATION IS NON-DETECT (ND)/NOT AVAILABLE (NA) GENERALIZED WATER TABLE ASH ASH PORE WATER LITHOLOGIC CONTACT MW-16BR MW-16D MW-16S MW-12S ABMW-2 MY-1001 WELL IN TRANSITION ZONE WELL IN SAPROLITE MATERIAL WELL IN ALLUVIUM MATERIAL WELL IN COMPETENT BEDROCK WELL IN ASH PORE WATER WATER SUPPLY WELL GENERALIZED GROUNDWATER FLOW DIRECTION GENERALIZED SUBSURFACE ASH PORE WATER FLOW DIRECTION BEDROCK NOTES 1.MOST RECENT DATA AVAILABLE THROUGH JULY 2017. 2.THE NORTH CAROLINA 2L FOR TOTAL URANIUM HAS NOT BEEN ESTABLISHED. 3.BACKGROUND CONCENTRATION FOR TOTAL URANIUM IS 0.00516 µg/L WITHIN THE TRANSITION ZONE FLOW LAYER AND 0.00324 µg/L WITHIN THE BEDROCK FLOW LAYER. 4.ALL VERTICAL ELEVATIONS ARE MEASURED IN FEET, NORTH AMERICA VERTICAL DATUM (NAVD) OF 1988. LEGEND PROGRESS 6.24 0.386 13 26.7 0.309 4 2.79 0.486 2.74 0.346 0.7 2.49 2.26 0.76 NA ND 4.3 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY: CRAIG EADY DATE:CHRISTINA NEWELL AA_VANADIUM 09/14/2017 10/28/2017 5:28 PM P:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\43.Revised CSA Guidance\DWG\DE ROXBORO CROSS-SECTIONS A-D Analytical V2.dwg FIGURE 11-85 VANADIUM ANALYTICAL RESULTS CROSS SECTION A-A' ROXBORO STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC SEMORA, NORTH CAROLINA RO10DW-46 &DW-47BG-1BRLBG-1BREFFLUENTDISCHARGE CANALBIO-REACTOR BUILDINGGRAVEL ROADGRAVEL ROADWEST FGD POND EAST FGD POND ASPHALT ROADABMW-3BRHEATED WATER DISCHARGE CANALPLANT ELECTRIC SUBSTATION GRAVEL ROADASH BASIN WASTE BOUNDARY ASH BASIN COMPLIANCE BOUNDARY SEMORA RDDUKE ENERGY ROXBORO STEAM ELECTRIC PLANT PROPERTY VERTICAL EXAGGERATION 5X WOODLANDELEMENTARY SCHOOLABMW-3BRLASH ASH/SOIL REGOLITH REGOLITH ASH ASH PORE WATER BEDROCKBEDROCK BEDROCKSTEAM ELECTRIC PLANTGRAVEL ROADA'A (NORTH)(SOUTH)MW-5BRMW-5DSLUICE PIPE TRENCH DIRT ROADABMW-3CW-5ABMW-1BRABMW-1BG-2BG-1BRLRMW-32BRMW-6BRMW-6DEAST ASH BASIN DUNNAW A Y R D SE M O R A R D (H W Y 5 7 )A'APOWER PLANT NOTE: CROSS SECTION A-A' IS LINEAR IN NATURE AND ALL LOCATIONS NOT ALONG THE CROSS SECTION ARE PROJECTED ONTO THE CROSS SECTION. WEST ASH BASIN HYCO LAKE 0 125 250 500 HORIZONTAL SCALE: 1" = 500' VERTICAL SCALE: 1" = 100' 5X VERTICAL EXAGGERATION HISTORIC GROUND SURFACE BASED ON THE 7-1/2' USGS TOPOGRAPHIC MAP FOR CLUSTER SPRINGS, VA DATED 1968. SOURCE INFORMATION: EXISTING GROUND SURFACE BASED ON A DRAWING PROVIDED BY THE WSP GROUP, TITLED "ROXBORO FINAL", DATED JUNE 8, 2015. WATER SUPPLY WELL INFORMATION WAS OBTAINED FROM A LIST PROVIDED BY DUKE ENERGY PROGRESS.2.74 CONCENTRATION IN µg/L VANADIUM ISOPLETH IN µg/L (> BACKGROUND) CONCENTRATION IS NON-DETECT (ND) / NOT AVAILABLE (NA) GENERALIZED WATER TABLE ASH ASH PORE WATER LITHOLOGIC CONTACT MW-16BR MW-16D MW-16S MW-12S ABMW-2 MY-1001 WELL IN TRANSITION ZONE WELL IN SAPROLITE MATERIAL WELL IN ALLUVIUM MATERIAL WELL IN COMPETENT BEDROCK WELL IN ASH PORE WATER WATER SUPPLY WELL GENERALIZED GROUNDWATER FLOW DIRECTION GENERALIZED SUBSURFACE ASH PORE WATER FLOW DIRECTION BEDROCK NOTES 1.MOST RECENT DATA AVAILABLE THROUGH JULY 2017. 2.THE INTERIM MAXIMUM ALLOWABLE CONCENTRATION (IMAC) FOR VANADIUM IS 0.3 μg/L. 3.BACKGROUND CONCENTRATION FOR VANADIUM IS 30.2 μg/L WITHIN THE TRANSITION ZONE AND 2.49 µg/L WITHIN THE BEDROCK FLOW LAYERS. 4.ALL VERTICAL ELEVATIONS ARE MEASURED IN FEET, NORTH AMERICA VERTICAL DATUM (NAVD) OF 1988. LEGEND PROGRESS ND/NA 2.74 0.346 3.77 0.425 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY: CRAIG EADY DATE:CHRISTINA NEWELL BB_VANADIUM 09/14/2017 FIGURE 11-86 VANADIUM ANALYTICAL RESULTS CROSS SECTION B-B' ROXBORO STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC SEMORA, NORTH CAROLINA VERTICAL EXAGGERATION 5X BEDROCK ASH BASIN COMPLIANCE BOUNDARY DUKE ENERGY ROXBORO STEAM ELECTRIC PLANT PROPERTY GRAVEL ROADASH WATER ELEVATION=446' B'B (NORTH)(SOUTH) 10/28/2017 5:28 PM P:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\43.Revised CSA Guidance\DWG\DE ROXBORO CROSS-SECTIONS A-D Analytical V2.dwg ASHABMW-1GRAVEL ROADWAB EXTENSION IMPOUNDMENT HEATED WATER DISCHARGE POND ASH WATER ELEVATION=462' ASH BASIN POND WATER ELEVATION=412'ABMW-1BRABMW-2ABMW-2BRFILTER DIKE WEST ASH BASIN MAIN DAM OUTLET STRUCTURE BEDROCK BEDROCK BEDROCK REGOLITH/PWR REGOLITH/PWR 0 125 250 500 HORIZONTAL SCALE: 1" = 500' VERTICAL SCALE: 1" = 100' 5X VERTICAL EXAGGERATION ASH BASIN WASTE BOUNDARY HISTORIC GROUND SURFACE BASED ON THE 7-1/2' USGS TOPOGRAPHIC MAP FOR CLUSTER SPRINGS, VA DATED 1968. SOURCE INFORMATION: EXISTING GROUND SURFACE BASED ON A DRAWING PROVIDED BY THE WSP GROUP, TITLED "ROXBORO FINAL", DATED JUNE 8, 2015. 2.74 CONCENTRATION IN µg/L CONCENTRATION IS NON-DETECT (ND) / NOT AVAILABLE (NA) GENERALIZED WATER TABLE ASH ASH PORE WATER LITHOLOGIC CONTACT MW-16BR MW-16D MW-16S MW-12S ABMW-2 MY-1001 WELL IN TRANSITION ZONE WELL IN SAPROLITE MATERIAL WELL IN ALLUVIUM MATERIAL WELL IN COMPETENT BEDROCK WELL IN ASH PORE WATER WATER SUPPLY WELL GENERALIZED GROUNDWATER FLOW DIRECTION GENERALIZED SUBSURFACE ASH PORE WATER FLOW DIRECTION BEDROCK NOTES 1.MOST RECENT DATA AVAILABLE THROUGH JULY 2017. 2.THE INTERIM MAXIMUM ALLOWABLE CONCENTRATION (IMAC) FOR VANADIUM IS 0.3 μg/L. 3.BACKGROUND CONCENTRATION FOR VANADIUM IS 30.2 μg/L WITHIN THE TRANSITION ZONE AND 2.49 µg/L WITHIN THE BEDROCK FLOW LAYERS. 4.ALL VERTICAL ELEVATIONS ARE MEASURED IN FEET, NORTH AMERICA VERTICAL DATUM (NAVD) OF 1988. LEGEND EAST ASH BASIN DUNNAW A Y R D SE M O R A R D ( H W Y 5 7 )BB' POWER PLANT NOTE: CROSS SECTION B-B' IS LINEAR IN NATURE AND ALL LOCATIONS NOT ALONG THE CROSS SECTION ARE PROJECTED ONTO THE CROSS SECTION. WEST ASH BASIN HYCO LAKE PROGRESS ND/NA STRUCTURAL FILL GYPSUM SOIL COVER STRUCTURAL FILL 1.06 3.51 1.06 0.655 5.57 4.45 0.433 ASH BASIN WASTE BOUNDARY (1.56) ND 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY: CRAIG EADY DATE:CHRISTINA NEWELL CC_VANADIUM 05/25/2017 FIGURE 11-87 VANADIUM ANALYTICAL RESULTS CROSS SECTION C-C' ROXBORO STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC SEMORA, NORTH CAROLINA VERTICAL EXAGGERATION 5X DUKE ENERGY ROXBORO STEAM ELECTRIC PLANT PROPERTY C'C (NORTH)(SOUTH) 10/28/2017 5:28 PM P:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\43.Revised CSA Guidance\DWG\DE ROXBORO CROSS-SECTIONS A-D Analytical V2.dwgGPMW-2DGPMW-2BRRAILROAD TRACKSCOOLING WATERINTAKE CANALGRAVEL ROADPONDMW-22DMW-22BRMW-22BRLGMW-11MW-13BRMW-19BRLGRAVEL ROADGRAVEL ROADRO3ASH ASH RESIDENCEROADBEDROCK BEDROCK BEDROCK BEDROCK REGOLITH REGOLITH ASH BASIN COMPLIANCE BOUNDARY INDUSTRIAL LANDFILL APPROXIMATE PHASE 1-5 LINER ELEVATION EAST ASH BASIN DUNNAW A Y R D SE M O R A R D ( H W Y 5 7 )CC' POWER PLANT 0 125 250 500 HORIZONTAL SCALE: 1" = 500' VERTICAL SCALE: 1" = 100' 5X VERTICAL EXAGGERATION NOTE: CROSS SECTION C-C' IS LINEAR IN NATURE AND ALL LOCATIONS NOT ALONG THE CROSS SECTION ARE PROJECTED ONTO THE CROSS SECTION. WEST ASH BASIN HYCO LAKE APPROXIMATE PHASE 6 LINER ELEVATION HISTORIC GROUND SURFACE BASED ON THE 7-1/2' USGS TOPOGRAPHIC MAP FOR CLUSTER SPRINGS, VA DATED 1968. SOURCE INFORMATION: EXISTING GROUND SURFACE BASED ON A DRAWING PROVIDED BY THE WSP GROUP, TITLED "ROXBORO FINAL", DATED JUNE 8, 2015. WATER SUPPLY WELL INFORMATION WAS OBTAINED FROM A LIST PROVIDED BY DUKE ENERGY PROGRESS. 2.74 CONCENTRATION IN µg/L VANADIUM ISOPLETH IN µg/L (> BACKGROUND ) CONCENTRATION IS NON-DETECT (ND) / NOT AVAILABLE (NA) GENERALIZED WATER TABLE ASH ASH PORE WATER LITHOLOGIC CONTACT MW-16BR MW-16D MW-16S MW-12S ABMW-2 MY-1001 WELL IN TRANSITION ZONE WELL IN SAPROLITE MATERIAL WELL IN ALLUVIUM MATERIAL WELL IN COMPETENT BEDROCK WELL IN ASH PORE WATER WATER SUPPLY WELL GENERALIZED GROUNDWATER FLOW DIRECTION GENERALIZED SUBSURFACE ASH PORE WATER FLOW DIRECTION BEDROCK NOTES 1.MOST RECENT DATA AVAILABLE THROUGH JULY 2017. 2.THE INTERIM MAXIMUM ALLOWABLE CONCENTRATION (IMAC) FOR VANADIUM IS 0.3 μg/L. 3.BACKGROUND CONCENTRATION FOR VANADIUM IS 30.2 μg/L WITHIN THE TRANSITION ZONE AND 2.49 µg/L WITHIN THE BEDROCK FLOW LAYERS. 4.ALL VERTICAL ELEVATIONS ARE MEASURED IN FEET, NORTH AMERICA VERTICAL DATUM (NAVD) OF 1988. 5.(1.56) INFERRED VALUE CONCENTRATION FROM SAMPLE WITH pH > 8.5. LEGEND PROGRESS ND/NA REGOLITH EAB EXTENSION IMPOUNDMENT EAB SEPARATOR DIKE 4.39 0.318 ND 0.373 NA 2.39 COOLING TOWER POND WATER ELEVATION=409' SOIL ASH PORE WATER APPROXIMATE LINER ELEVATION INDUSTRIAL LANDFILL DUKE ENERGY ROXBORO STEAM ELECTRIC PLANT PROPERTY ASH BASIN WASTE BOUNDARY ASH BASIN COMPLIANCE BOUNDARY 2.39 2.39 NA 1.38 5.9 3.1 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY: CRAIG EADY DATE:CHRISTINA NEWELL DD_VANADIUM 09/14/2017 10/28/2017 5:28 PM P:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\43.Revised CSA Guidance\DWG\DE ROXBORO CROSS-SECTIONS A-D Analytical V2.dwg FIGURE 11-88 VANADIUM ANALYTICAL RESULTS CROSS SECTION D-D' ROXBORO STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC SEMORA, NORTH CAROLINARO4DW-26McGHESS MILL RDVERTICAL EXAGGERATION 5X BEDROCKDIRT ROADMW-17BRPZ-12GMW-6GMW-2GRAVEL ROADGRAVEL ROADASH WATER ELEVATION=465' DD' (SOUTHEAST)(NORTHWEST)RESIDENCERESIDENCERESIDENCEMW-20BRLRO13DW-21RO7DW-25MW-24BRMW-20BRL ARTESIAN WELL BEDROCK BEDROCK BEDROCKGMW-2ABEDROCK EAST ASH BASIN DUNNAW A Y R D SE M O R A R D ( H W Y 5 7 ) D D' POWER PLANT 0 125 250 500 HORIZONTAL SCALE: 1" = 500' VERTICAL SCALE: 1" = 100' 5X VERTICAL EXAGGERATION NOTE: CROSS SECTION B-B' IS LINEAR IN NATURE AND ALL LOCATIONS NOT ALONG THE CROSS SECTION ARE PROJECTED ONTO THE CROSS SECTION. WEST ASH BASIN HYCO LAKE HISTORIC GROUND SURFACE BASED ON THE 7-1/2' USGS TOPOGRAPHIC MAP FOR CLUSTER SPRINGS, VA DATED 1968. SOURCE INFORMATION: EXISTING GROUND SURFACE BASED ON A DRAWING PROVIDED BY THE WSP GROUP, TITLED "ROXBORO FINAL", DATED JUNE 8, 2015. WATER SUPPLY WELL INFORMATION WAS OBTAINED FROM A LIST PROVIDED BY DUKE ENERGY PROGRESS. 2.74 CONCENTRATION IN µg/L VANADIUM ISOPLETH IN µg/L (BEDROCK BACKGROUND VALUE = 2.49 µg/L) CONCENTRATION IS NON-DETECT (ND) / NOT AVAILABLE (NA) GENERALIZED WATER TABLE ASH ASH PORE WATER LITHOLOGIC CONTACT MW-16BR MW-16D MW-16S MW-12S ABMW-2 MY-1001 WELL IN TRANSITION ZONE WELL IN SAPROLITE MATERIAL WELL IN ALLUVIUM MATERIAL WELL IN COMPETENT BEDROCK WELL IN ASH PORE WATER WATER SUPPLY WELL GENERALIZED GROUNDWATER FLOW DIRECTION GENERALIZED SUBSURFACE ASH PORE WATER FLOW DIRECTION BEDROCK NOTES 1.MOST RECENT DATA AVAILABLE THROUGH JULY 2017. 2.THE INTERIM MAXIMUM ALLOWABLE CONCENTRATION (IMAC) FOR VANADIUM IS 0.3 μg/L. 3.BACKGROUND CONCENTRATION FOR VANADIUM IS 30.2 μg/L WITHIN THE TRANSITION ZONE AND 2.49 µg/L WITHIN THE BEDROCK FLOW LAYERS. 4.ALL VERTICAL ELEVATIONS ARE MEASURED IN FEET, NORTH AMERICA VERTICAL DATUM (NAVD) OF 1988. LEGEND ASH PROGRESS ND/NA !(!(!(!(!(!(!(!( !( !( !( !( !( !( !( ") ") ") ") ") ")!( &<&< &<&< &<&<&< &<&< &<&< &<&< &<&<&< &<&< &< &< &< &< &<&< &<&< &<&< &< &< &< &< &< &< &< &<&<&< &<&< &< &< &<&< &< &< &< &<&<&< &< &< &< &< &< &< &<&< &<&< &< &< &< &< &<&< &<&< &< &< !. !. !. !.!. !. !. !.!.!. !. !.!. !.!.!. !. !.!. !.!. !. !. !.!.!. !.!.!.!.!.!. !. !.!.!.!.!. !.!.!. !.!.!.!.!. !. !. !.!.!.!. !.!. !.!.!. !.!. !. !. !.!. !. &<&<&< &< &< &<&< &<HYCO LAKE HEATED WATERDISCHARGE POND GYPSUM STORAGE AREA WAB EXTENSIONIMPOUNDMENT INDUSTRIAL LAN DFILL LCID LANDFI LL WEST ASH BASIN EA B EXTENSIO NIMPOUNDMENT EA ST ASH BASIN COOLING WATERINTAKE BASIN HYCO LAKE HYCO LAKE ROXBORO STEAMELECTRIC PLANT FG DPONDS ELECTRICALSUBSTATION BG-2B R ABMW-1 ABMW-1B R ABMW-2 ABMW-2BR ABMW-3 ABMW-3B R ABMW-3BRL ABMW-4 ABMW-4BR ABMW-5 ABMW-5D ABMW-6 ABMW-6B R ABMW-7 ABMW-7BR ABMW-7B RL BG-1D BG-1BR BG-1BRL MW-1BR MW-2BR MW-3BR MW-4BR MW-4BRL MW-5BR MW-5D MW-6BRMW-6D MW-7BR MW-8BR MW-9BR MW-10BR MW-11B R MW-12BR MW-13BR MW-14BR MW-14D MW-14S MW-15BR MW-15D MW-16BR MW-17BR MW-18BR MW-18D MW-19BRL MW-20BRL MW-21BRL MW-22D MW-22BR MW-22BRL MW-23BR MW-24BR MW 25-BR MW-26BR BG-1 CW-1 CW-2 CW-2D CW-3 CW-3D CW-4 CW-5 GMW-6 GMW-7 GMW-8 GMW-9 GMW-10 GMW-11 PZ-12 PZ-14 S-0 1S-02 S-03 S-0 4 S-05 S-0 6 S-07 S-08 S-0 9 S-10 S-11 S-1 2 S-1 3 S-14 S-1 5 S-1 8 SW -01 SW -02 SW -03 SW -04 SW -05 SW -06 GP MW-01BR MW -3 3BR GP MW-02BR MW-11 D NOTES:PROPERTY B OUNDARY PROVIDED BY DUKE ENERGY P ROGRESS. AERIA L PHOTOGRAPHY OBTAINED FROM GOOGL E E ART H P RO ON SEPT EMBER 27,2017 . AERIAL W AS C OLLECT ED ON JUN E 1 3, 20 16. DRAW ING HAS BEE N SE T W ITH A P ROJECTION OF N ORTH CAROL INA STATE PL ANECOORDINATE SY STEM FIP S 3 200 (NAD83/20 11). FIGURE 12-1EXPOSURE AREASHUMAN HEALTH RISK ASSESSMEN TROXBORO STEAM ELECTRIC PLANTDUKE ENERGY PR OGRESS, LLCSEMORA, NORTH CA ROLINADRAWN BY: J .ROBERT SCHECKED BY:PROJEC T MANAGE R: M . S PAC IL DAT E: 10/2 7/2 017 148 RIVER STREET, SUIT E 220GREENVILLE, SOUTH C AROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke En e rg y Prog ress.1 0 2 6\00 GIS B ASE DATA\Ro xboro\Ma p _Docs\Huma n He alth \HUM AN HEALT H MAP.mxd 0 58 0 1,160 1,7 40 2,3 20290 IN FEET LEGEND DUKE ENERGY PROG RE SS ROXBORO PLANTCOMPLIANCE BO UNDARYWASTE BOUNDARY LANDFILL AREA<STRE AM GYPS UM STORAGE EXPOSURE AREA/ASH BA SIN EXPOSURE AREAHYCO LA KE &<MONITORING WELL !.WATE R SUPPLY WE LL ")SURFA CE WAT ER POINT !(AOW !(!(!(!(!(!(!(!( !( !( !( !( !( !( !( ") ") ") ") ") ")!( &<&< &<&< &<&<&< &<&< &<&< &<&< &<&<&< &<&< &< &< &< &< &<&< &<&< &<&< &< &< &< &< &< &< &< &<&<&< &<&< &< &< &<&< &< &< &< &<&<&< &< &< &< &< &< &< &<&< &<&< &< &< &< &< &<&< &<&< &< &<<<<<<<<<<<<<!. !. !. !.!. !. !. !.!.!. !. !.!. !.!.!. !. !.!. !.!. !. !. !.!.!. !.!.!.!.!.!. !. !.!.!.!.!. !.!.!. !.!.!.!.!. !. !. !.!.!. !. !.!. !.!.!. !.!. !. !. !.!. !. &<&<&< &< &< &<&< &< HYCOLAKE ABMW-1 ABMW-1BR ABMW-2 ABMW-2BR ABMW-3 ABMW-3BR ABMW-3BRL ABMW-4 ABMW-4BR ABMW-5 ABMW-5D ABMW-6 ABMW-6BR ABMW-7 ABMW-7BR ABMW-7BRL BG-1D BG-1BR BG-1BR L MW -1 BR MW-2 BR MW -3 BR MW-4 BR MW-4 BRL MW-5 BR MW-5 D MW -6 BR MW-6 D MW-7 BR MW-8 BR MW-9 BR MW-1 0BR MW -11BR MW-1 2BR MW-1 3BR MW -1 4BR MW -1 4D MW-1 4S MW -1 5BR MW-1 5D MW-1 6BR MW -1 7BR MW -1 8BR MW-1 8D MW-1 9BRL MW -2 0BRL MW -2 1BRL MW-2 2D MW -2 2BR MW-2 2BRL MW-2 3BR MW-2 4BR MW25 -BR MW -2 6BR BG-1 CW-1 CW-2 CW-2D CW-3 CW-3D CW-4 CW-5 GMW-6 GMW -7 GMW -8 GMW-9 GMW -1 0 GMW-11 PZ-1 2 PZ-1 4 S-01 S-02 S-03 S-04 S-05 S-06 S-07 S-08 S-09 S-10 S-11 S-12 S-13 S-14 S-15 S-18 SW-01 SW-02 SW-03 SW-04 SW-05 SW-06 GP MW-01BR MW-2 7BR MW -3 3BR GP MW-02BRGPMW-02D MW-11 D NOTES:PROPERTY B OUNDARY PROVIDED BY DUKE ENERGY P ROGRESS. AERIA L PHOTOGRAPHY OBTAINED FROM GOOGL E E ART H P RO ON SEPT EMBER 27,2017 . AERIAL W AS C OLLECT ED ON JUN E 1 3, 20 16. DRAW ING HAS BEE N SE T W ITH A P ROJECTION OF N ORTH CAROL INA STATE PL ANECOORDINATE SY STEM FIP S 3 200 (NAD83/20 11). FIGURE 12-2EXPOSURE AREASECOLOGICAL RISK ASSESSMENTROXBORO STEAM ELECTRIC PLANTDUKE ENERGY PR OGRESS, LLCSEMORA, NORTH CA ROLINADRAWN BY: J .ROBERT SCHECKED BY:PROJEC T MANAGE R: M . S PAC IL DAT E: 10/2 7/2 017 148 RIVER STREET, SUIT E 220GREENVILLE, SOUTH C AROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke En e rg y Prog ress.1 0 2 6\00 GIS B ASE DATA\Ro xboro\Ma p _Docs\Huma n He alth \ECO M AP.m xd LEGEND &<MO NITORING W E LL !(AOW ")SURFACE WATER PO INT !.WATER S UPPLY W ELLEAST ASH BASINGYPSUM STO RAG E ARE AHYCO LAKEDUKE E NERGY PRO GRESS ROXBORO PLA NTCOMPLIANCE BO UNDARYWASTE BO UNDARY 0 58 0 1,160 1,7 40 2,3 20290 IN FEET HYCO LAKE HEATED WATERDISCHARGE POND GYPSUM STORAGE AREA WAB EXTENSI ONEMPOUNDMENT LANDFILL AREA<STRE AM WEST ASH BASIN LCID LANDFI LL EA ST ASH BASIN EA B EXTENTIONIMPOUNDMENT COOLING WATERINTAKE BASIN 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com DRAWN BY: B. WILKER PROJECT MANAGER: C. EADY LAYOUT: DATE: AUGUST 2017 P:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\CSA Update Oct 2017\Figures\Time Series Plots FIGURE 14-1 TIME VERSUS CONCENTRATION ANTIMONY IN ASH PORE WATER ROXBORO STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC SEMORA, NORTH CAROLINA WEST ASH BASIN EAST ASH BASIN 0 1 2 3 4 5 6 7 8 9 10 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17Antimony Concentration (µg/L)ABMW-01 0.0 0.5 1.0 1.5 2.0 2.5 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17Antimony Concentration (µg/L)ABMW-04 0.0 0.5 1.0 1.5 2.0 2.5 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17Antimony Concentration (µg/L)ABMW-03 0.0 0.5 1.0 1.5 2.0 2.5 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17Antimony Concentration (µg/L)ABMW-06 LEGEND Ash Pore Water Note: 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. 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com DRAWN BY: B. WILKER PROJECT MANAGER: C. EADY LAYOUT: DATE: AUGUST 2017 P:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\CSA Update Oct 2017\Figures\Time Series Plots FIGURE 14-2 TIME VERSUS CONCENTRATION ANTIMONY IN TRANSITION ZONE ROXBORO STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC SEMORA, NORTH CAROLINA WEST ASH BASIN EAST ASH BASIN 0.0 0.5 1.0 1.5 2.0 2.5 Sep-10Feb-12Jun-13Nov-14Mar-16Aug-17Antimony Concentration (µg/L)CW-05 0.0 0.5 1.0 1.5 2.0 2.5 May-16Aug-16Nov-16Mar-17Jun-17Sep-17Antimony Concentration (µg/L)MW-11D 0.0 0.5 1.0 1.5 2.0 2.5 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17Antimony Concentration (µg/L)MW-05D 0.0 0.5 1.0 1.5 2.0 2.5 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17Antimony Concentration (µg/L)MW-06D LEGEND Transition Zone IMAC Provisional Background Threshold Values (PBTVs) Note: 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. 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com DRAWN BY: B. WILKER PROJECT MANAGER: C. EADY LAYOUT: DATE: AUGUST 2017 P:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\CSA Update Oct 2017\Figures\Time Series Plots FIGURE 14-3 TIME VERSUS CONCENTRATION ANTIMONY IN BEDROCK ROXBORO STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC SEMORA, NORTH CAROLINA WEST ASH BASIN EAST ASH BASIN 0.0 0.5 1.0 1.5 2.0 2.5 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17Antimony Concentration (µg/L)ABMW-01BR 0.0 0.5 1.0 1.5 2.0 2.5 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17Antimony Concentration (µg/L)ABMW-04BR 0.0 0.5 1.0 1.5 2.0 2.5 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17Antimony Concentration (µg/L)ABMW-03BR 0.0 0.5 1.0 1.5 2.0 2.5 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17Antimony Concentration (µg/L)ABMW-06BR 0.0 0.5 1.0 1.5 2.0 2.5 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17Antimony Concentration (µg/L)ABMW-03BRL 0.0 0.5 1.0 1.5 2.0 2.5 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17Antimony Concentration (µg/L)MW-11BR 0.0 0.5 1.0 1.5 2.0 2.5 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17Antimony Concentration (µg/L)MW-05BR 0.0 0.5 1.0 1.5 2.0 2.5 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17Antimony Concentration (µg/L)MW-06BR LEGEND Bedrock IMAC Provisional Background Threshold Values (PBTVs) Note: 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. 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com DRAWN BY: B. WILKER PROJECT MANAGER: C. EADY LAYOUT: DATE: AUGUST 2017 P:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\CSA Update Oct 2017\Figures\Time Series Plots FIGURE 14-4 TIME VERSUS CONCENTRATION BORON IN ASH PORE WATER ROXBORO STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC SEMORA, NORTH CAROLINA WEST ASH BASIN EAST ASH BASIN 0 2000 4000 6000 8000 10000 12000 14000 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17Boron Concentration (µg/L)ABMW-01 0 5000 10000 15000 20000 25000 30000 35000 40000 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17Boron Concentration (µg/L)ABMW-04 0 200 400 600 800 1000 1200 1400 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17Boron Concentration (µg/L)ABMW-03 0 500 1000 1500 2000 2500 3000 3500 4000 4500 5000 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17Boron Concentration (µg/L)ABMW-06 LEGEND Ash Pore Water Note: 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. 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com DRAWN BY: B. WILKER PROJECT MANAGER: C. EADY LAYOUT: DATE: AUGUST 2017 P:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\CSA Update Oct 2017\Figures\Time Series Plots FIGURE 14-5 TIME VERSUS CONCENTRATION BORON IN TRANSITION ZONE ROXBORO STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC SEMORA, NORTH CAROLINA WEST ASH BASIN EAST ASH BASIN 0 100 200 300 400 500 600 700 800 900 1000 Sep-10Feb-12Jun-13Nov-14Mar-16Aug-17Boron Concentration (µg/L)CW-05 0 100 200 300 400 500 600 700 800 900 1000 Aug-16Oct-16Nov-16Jan-17Mar-17Apr-17Jun-17Aug-17Sep-17Boron Concentration (µg/L)MW-11D 0 100 200 300 400 500 600 700 800 900 1000 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17Boron Concentration (µg/L)MW-05D 0 100 200 300 400 500 600 700 800 900 1000 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17Boron Concentration (µg/L)MW-06D 15 NCAC 02L Standard LEGEND Transition Zone Provisional Background Threshold Values (PBTVs) Note: 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. 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com DRAWN BY: B. WILKER PROJECT MANAGER: C. EADY LAYOUT: DATE: AUGUST 2017 P:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\CSA Update Oct 2017\Figures\Time Series Plots FIGURE 14-6 TIME VERSUS CONCENTRATION BORON IN BEDROCK ROXBORO STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC SEMORA, NORTH CAROLINA WEST ASH BASIN EAST ASH BASIN 0 100 200 300 400 500 600 700 800 900 1000 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17Boron Concentration (µg/L)ABMW-01BR 0 100 200 300 400 500 600 700 800 900 1000 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17Boron Concentration (µg/L)ABMW-04BR 0 1000 2000 3000 4000 5000 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17Boron Concentration (µg/L)ABMW-03BR 0 100 200 300 400 500 600 700 800 900 1000 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17Boron Concentration (µg/L)ABMW-06BR 0 100 200 300 400 500 600 700 800 900 1000 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17Boron Concentration (µg/L)ABMW-03BRL 0 100 200 300 400 500 600 700 800 900 1000 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17Boron Concentration (µg/L)MW-11BR 0 100 200 300 400 500 600 700 800 900 1000 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17Boron Concentration (µg/L)MW-05BR 0 100 200 300 400 500 600 700 800 900 1000 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17Boron Concentration (µg/L)MW-06BR LEGEND 15 NCAC 02L Standard Bedrock Provisional Background Threshold Values (PBTVs) Note: 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. 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com DRAWN BY: B. WILKER PROJECT MANAGER: C. EADY LAYOUT: DATE: AUGUST 2017 P:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\CSA Update Oct 2017\Figures\Time Series Plots FIGURE 14-7 TIME VERSUS CONCENTRATION TOTAL AND HEXAVALENT CHROMIUM IN ASH PORE WATER ROXBORO STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC SEMORA, NORTH CAROLINA WEST ASH BASIN EAST ASH BASIN 0.01 0.1 1 10 Dec-14Apr-15Jul-15Oct-15Jan-16May-16Aug-16Nov-16Mar-17Jun-17Sep-17Chromium Concentration (µg/L)ABMW-01 0 2 4 6 8 10 12 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17Chromium Concentration (µg/L)ABMW-04 0 2 4 6 8 10 12 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17Chromium Concentration (µg/L)ABMW-03 0 2 4 6 8 10 12 Dec-14Apr-15Jul-15Oct-15Jan-16May-16Aug-16Nov-16Mar-17Jun-17Sep-17Chromium Concentration (µg/L)ABMW-06 Note: 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. LEGEND Total Chromium in Ash Pore Water Hexavalent Chromium Ash Pore 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com DRAWN BY: B. WILKER PROJECT MANAGER: C. EADY LAYOUT: DATE: AUGUST 2017 P:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\CSA Update Oct 2017\Figures\Time Series Plots FIGURE 14-8 TIME VERSUS CONCENTRATION TOTAL AND HEXAVALENT CHROMIUM IN TRANSITION ZONE ROXBORO STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC SEMORA, NORTH CAROLINA WEST ASH BASIN EAST ASH BASIN 0.1 1 10 100 Sep-10Feb-12Jun-13Nov-14Mar-16Aug-17Chromium Concentration (µg/L)CW-05 0 5 10 15 20 25 30 Aug-16Oct-16Nov-16Jan-17Mar-17Apr-17Jun-17Aug-17Sep-17Chromium Concentration (µg/L)MW-11D 0.1 1 10 100 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17Chromium Concentration (µg/L)MW-05D 0.01 0.1 1 10 100 Dec-14Apr-15Jul-15Oct-15Jan-16May-16Aug-16Nov-16Mar-17Jun-17Sep-17Chromium Concentration (µg/L)MW-06D 0.1 1 10 100 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17Chromium Concentration (µg/L)MW-05D 0.01 0.1 1 10 100 Dec-14Apr-15Jul-15Oct-15Jan-16May-16Aug-16Nov-16Mar-17Jun-17Sep-17Chromium Concentration (µg/L)MW-06D Note: 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. 15 NCAC 02L Standard LEGEND Provisional Background Threshold Values (PBTVs) for Total Chromium Total Chromium in Transition Zone Hexavalent Chromium Transition Zone Provisional Background Threshold Values (PBTVs) for Hexavalent Chromium 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com DRAWN BY: B. WILKER PROJECT MANAGER: C. EADY LAYOUT: DATE: AUGUST 2017 P:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\CSA Update Oct 2017\Figures\Time Series Plots FIGURE 14-9 TIME VERSUS CONCENTRATION TOTAL AND HEXAVALENT CHROMIUM IN BEDROCK ROXBORO STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC SEMORA, NORTH CAROLINA WEST ASH BASIN EAST ASH BASIN 0 2 4 6 8 10 12 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17Chromium Concentration (µg/L)ABMW-01BR 0.01 0.1 1 10 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17Chromium Concentration (µg/L)ABMW-04BR 0 2 4 6 8 10 12 Dec-14Apr-15Jul-15Oct-15Jan-16May-16Aug-16Nov-16Mar-17Jun-17Sep-17Chromium Concentration (µg/L)ABMW-03BR 0.01 0.1 1 10 100 May-16Aug-16Nov-16Mar-17Jun-17Sep-17Chromium Concentration (µg/L)ABMW-03BRL 0.01 0.1 1 10 Dec-14Apr-15Jul-15Oct-15Jan-16May-16Aug-16Nov-16Mar-17Jun-17Sep-17Chromium Concentration (µg/L)MW-11BR 0.01 0.1 1 10 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17Chromium Concentration (µg/L)MW-05BR 0.01 0.1 1 10 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17Chromium Concentration (µg/L)MW-06BR 0.01 0.1 1 10 Dec-14Apr-15Jul-15Oct-15Jan-16May-16Aug-16Nov-16Mar-17Jun-17Sep-17Chromium Concentration (µg/L)ABMW-06BR Note: 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. LEGEND Total Chromium in Bedrock Hexavalent Chromium Transition Zone 15 NCAC 02L Standard Provisional Background Threshold Values (PBTVs) for Total Chromium Provisional Background Threshold Values (PBTVs) for Hexavalent Chromium 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com DRAWN BY: B. WILKER PROJECT MANAGER: C. EADY LAYOUT: DATE: AUGUST 2017 P:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\CSA Update Oct 2017\Figures\Time Series Plots FIGURE 14-10 TIME VERSUS CONCENTRATION COBALT IN ASH PORE WATER ROXBORO STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC SEMORA, NORTH CAROLINA WEST ASH BASIN EAST ASH BASIN 0 0.5 1 1.5 2 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17Cobalt Concentration (µg/L)ABMW-01 0 1 2 3 4 5 6 7 8 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17Cobalt Concentration (µg/L)ABMW-04 LEGEND Ash Pore Water 0 20 40 60 80 100 120 140 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17Cobalt Concentration (µg/L)ABMW-03 0 0.5 1 1.5 2 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17Cobalt Concentration (µg/L)ABMW-06 Note: 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. 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com DRAWN BY: B. WILKER PROJECT MANAGER: C. EADY LAYOUT: DATE: AUGUST 2017 P:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\CSA Update Oct 2017\Figures\Time Series Plots FIGURE 14-11 TIME VERSUS CONCENTRATION COBALT IN TRANSITION ZONE ROXBORO STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC SEMORA, NORTH CAROLINA WEST ASH BASIN EAST ASH BASIN 0 0.5 1 1.5 2 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17Cobalt Concentration (µg/L)CW-05 0 1 2 3 4 5 6 7 8 9 10 Aug-16Oct-16Nov-16Jan-17Mar-17Apr-17Jun-17Aug-17Sep-17Cobalt Concentration (µg/L)MW-11D 0 0.5 1 1.5 2 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17Cobalt Concentration (µg/L)MW-05D 0 0.5 1 1.5 2 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17Cobalt Concentration (µg/L)MW-06D LEGEND Transition Zone IMAC Provisional Background Threshold Values (PBTVs) Note: 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. 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com DRAWN BY: B. WILKER PROJECT MANAGER: C. EADY LAYOUT: DATE: AUGUST 2017 P:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\CSA Update Oct 2017\Figures\Time Series Plots FIGURE 14-12 TIME VERSUS CONCENTRATION COBALT IN BEDROCK ROXBORO STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC SEMORA, NORTH CAROLINA WEST ASH BASIN EAST ASH BASIN 0 2 4 6 8 10 12 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17Cobalt Concentration (µg/L)ABMW-01BR 0 2 4 6 8 10 12 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17Cobalt Concentration (µg/L)ABMW-04BR 0 100 200 300 400 500 600 700 800 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17Cobalt Concentration (µg/L)ABMW-03BR 0 2 4 6 8 10 12 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17Cobalt Concentration (µg/L)ABMW-06BR 0 2 4 6 8 10 12 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17Cobalt Concentration (µg/L)ABMW-03BRL 0 2 4 6 8 10 12 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17Cobalt Concentration (µg/L)MW-11BR 0 2 4 6 8 10 12 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17Cobalt Concentration (µg/L)MW-06BR LEGEND Bedrock IMAC Provisional Background Threshold Values (PBTVs) 0 2 4 6 8 10 12 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17Cobalt Concentration (µg/L)MW-05BR Note: 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. 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com DRAWN BY: B. WILKER PROJECT MANAGER: C. EADY LAYOUT: DATE: AUGUST 2017 P:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\CSA Update Oct 2017\Figures\Time Series Plots FIGURE 14-13 TIME VERSUS CONCENTRATION IRON IN ASH PORE WATER ROXBORO STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC SEMORA, NORTH CAROLINA WEST ASH BASIN EAST ASH BASIN LEGEND Ash Pore Water Note: 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. 0 200 400 600 800 1000 1200 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17Iron Concentration (µg/L)ABMW-01 0 10000 20000 30000 40000 50000 60000 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17Iron Concentration (µg/L)ABMW-04 0 50000 100000 150000 200000 250000 300000 350000 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17Iron Concentration (µg/L)ABMW-03 0 5000 10000 15000 20000 25000 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17Iron Concentration (µg/L)ABMW-06 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com DRAWN BY: B. WILKER PROJECT MANAGER: C. EADY LAYOUT: DATE: AUGUST 2017 P:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\CSA Update Oct 2017\Figures\Time Series Plots FIGURE 14-14 TIME VERSUS CONCENTRATION IRON IN TRANSITION ZONE ROXBORO STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC SEMORA, NORTH CAROLINA WEST ASH BASIN EAST ASH BASIN 15 NCAC 02L Standard LEGEND Transition Zone Provisional Background Threshold Values (PBTVs) Note: 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. 0 200 400 600 800 1000 1200 Sep-10Feb-12Jun-13Nov-14Mar-16Aug-17Iron Concentration (µg/L)CW-05 0 200 400 600 800 1000 1200 Sep-10Feb-12Jun-13Nov-14Mar-16Aug-17Iron Concentration (µg/L)MW-11D 0 200 400 600 800 1000 1200 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17Iron Concentration (µg/L)MW-05D 0 200 400 600 800 1000 1200 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17Iron Concentration (µg/L)MW-06D 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com DRAWN BY: B. WILKER PROJECT MANAGER: C. EADY LAYOUT: DATE: AUGUST 2017 P:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\CSA Update Oct 2017\Figures\Time Series Plots FIGURE 14-15 TIME VERSUS CONCENTRATION IRON IN BEDROCK ROXBORO STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC SEMORA, NORTH CAROLINA WEST ASH BASIN EAST ASH BASIN LEGEND 15 NCAC 02L Standard Bedrock Provisional Background Threshold Values (PBTVs) Note: 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. 0 1000 2000 3000 4000 5000 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17Iron Concentration (µg/L)ABMW-01BR 0 5000 10000 15000 20000 25000 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17Iron Concentration (µg/L)ABMW-03BR 0 1000 2000 3000 4000 5000 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17Iron Concentration (µg/L)ABMW-03BRL 0 1000 2000 3000 4000 5000 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17Iron Concentration (µg/L)MW-05BR 0 1000 2000 3000 4000 5000 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17Iron Concentration (µg/L)MW-11BR 0 1000 2000 3000 4000 5000 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17Iron Concentration (µg/L)MW-06BR 0 2000 4000 6000 8000 10000 12000 14000 16000 18000 20000 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17Iron Concentration (µg/L)ABMW-04BR 0 1000 2000 3000 4000 5000 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17Iron Concentration (µg/L)ABMW-06BR 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com DRAWN BY: B. WILKER PROJECT MANAGER: C. EADY LAYOUT: DATE: AUGUST 2017 P:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\CSA Update Oct 2017\Figures\Time Series Plots FIGURE 14-16 TIME VERSUS CONCENTRATION MANGNAESE IN ASH PORE WATER ROXBORO STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC SEMORA, NORTH CAROLINA WEST ASH BASIN EAST ASH BASIN LEGEND Ash Pore Water Note: 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. 0 50 100 150 200 250 300 350 400 450 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17Manganese Concentration (µg/L)ABMW-01 0 1000 2000 3000 4000 5000 6000 7000 8000 9000 10000 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17Manganese Concentration (µg/L)ABMW-04 0 2000 4000 6000 8000 10000 12000 14000 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17Manganese Concentration (µg/L)ABMW-03 0 500 1000 1500 2000 2500 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17Manganese Concentration (µg/L)ABMW-06 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com DRAWN BY: B. WILKER PROJECT MANAGER: C. EADY LAYOUT: DATE: AUGUST 2017 P:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\CSA Update Oct 2017\Figures\Time Series Plots FIGURE 14-17 TIME VERSUS CONCENTRATION MANGANESE IN TRANSITION ZONE ROXBORO STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC SEMORA, NORTH CAROLINA WEST ASH BASIN EAST ASH BASIN 15 NCAC 02L Standard LEGEND Transition Zone Provisional Background Threshold Values (PBTVs) Note: 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. 0 50 100 150 200 250 300 350 400 450 Sep-10Feb-12Jun-13Nov-14Mar-16Aug-17Manganese Concentration (µg/L)CW-05 0 50 100 150 200 250 300 350 400 450 Sep-10Feb-12Jun-13Nov-14Mar-16Aug-17Manganese Concentration (µg/L)MW-11D 0 100 200 300 400 500 600 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17Manganese Concentration (µg/L)MW-05D 0 50 100 150 200 250 300 350 400 450 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17Manganese Concentration (µg/L)MW-06D 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com DRAWN BY: B. WILKER PROJECT MANAGER: C. EADY LAYOUT: DATE: AUGUST 2017 P:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\CSA Update Oct 2017\Figures\Time Series Plots FIGURE 14-18 TIME VERSUS CONCENTRATION MANGANESE IN BEDROCK ROXBORO STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC SEMORA, NORTH CAROLINA WEST ASH BASIN EAST ASH BASIN LEGEND 15 NCAC 02L Standard Bedrock Provisional Background Threshold Values (PBTVs) Note: 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. 0 200 400 600 800 1000 1200 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17Manganese Concentration (µg/L)ABMW-01BR 0 500 1000 1500 2000 2500 3000 3500 4000 4500 5000 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17Manganese Concentration (µg/L)ABMW-04BR 0 5000 10000 15000 20000 25000 30000 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17Manganese Concentration (µg/L)ABMW-03BR 0 500 1000 1500 2000 2500 3000 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17Manganese Concentration (µg/L)ABMW-06BR 0 200 400 600 800 1000 1200 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17Manganese Concentration (µg/L)ABMW-03BRL 0 200 400 600 800 1000 1200 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17Manganese Concentration (µg/L)MW-11BR 0 200 400 600 800 1000 1200 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17Manganese Concentration (µg/L)MW-05BR 0 200 400 600 800 1000 1200 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17Manganese Concentration (µg/L)MW-06BR 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com DRAWN BY: B. WILKER PROJECT MANAGER: C. EADY LAYOUT: DATE: AUGUST 2017 P:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\CSA Update Oct 2017\Figures\Time Series Plots FIGURE 14-19 TIME VERSUS CONCENTRATION MOLYBDENUM IN ASH PORE WATER ROXBORO STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC SEMORA, NORTH CAROLINA WEST ASH BASIN EAST ASH BASIN LEGEND Ash Pore Water Note: 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. 0 500 1000 1500 2000 2500 3000 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17Molybdenum Concentration (µg/L)ABMW-01 0 200 400 600 800 1000 1200 1400 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17Molybdenum Concentration (µg/L)ABMW-04 0 1 2 3 4 5 6 7 8 9 10 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17Molybdenum Concentration (µg/L)ABMW-03 0 100 200 300 400 500 600 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17Molybdenum Concentration (µg/L)ABMW-06 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com DRAWN BY: B. WILKER PROJECT MANAGER: C. EADY LAYOUT: DATE: AUGUST 2017 P:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\CSA Update Oct 2017\Figures\Time Series Plots FIGURE 14-20 TIME VERSUS CONCENTRATION MOLYBDENUM IN TRANSITION ZONE ROXBORO STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC SEMORA, NORTH CAROLINA WEST ASH BASIN EAST ASH BASIN LEGEND Transition Zone Provisional Background Threshold Values (PBTVs) Note: 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. 0 1 2 3 4 5 6 7 8 9 10 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17Molybdenum Concentration (µg/L)CW-05 0 5 10 15 20 25 30 Aug-16Oct-16Nov-16Jan-17Mar-17Apr-17Jun-17Aug-17Sep-17Molybdenum Concentration (µg/L)MW-11D 0 10 20 30 40 50 60 70 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17Molybdenum Concentration (µg/L)MW-05D 0 1 2 3 4 5 6 7 8 9 10 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17Molybdenum Concentration (µg/L)MW-06D 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com DRAWN BY: B. WILKER PROJECT MANAGER: C. EADY LAYOUT: DATE: AUGUST 2017 P:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\CSA Update Oct 2017\Figures\Time Series Plots FIGURE 14-21 TIME VERSUS CONCENTRATION MOLYBDENUM IN BEDROCK ROXBORO STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC SEMORA, NORTH CAROLINA WEST ASH BASIN EAST ASH BASIN LEGEND Bedrock Provisional Background Threshold Values (PBTVs) Note: 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. 0 5 10 15 20 25 30 35 40 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17Molybdenum Concentration (µg/L)ABMW-01BR 0 5 10 15 20 25 30 35 40 45 50 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17Molybdenum Concentration (µg/L)ABMW-04BR 0 5 10 15 20 25 30 35 40 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17Molybdenum Concentration (µg/L)ABMW-03BR 0 5 10 15 20 25 30 35 40 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17Molybdenum Concentration (µg/L)ABMW-06BR 0 5 10 15 20 25 30 35 40 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17Molybdenum Concentration (µg/L)ABMW-03BRL 0 5 10 15 20 25 30 35 40 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17Molybdenum Concentration (µg/L)MW-11BR 0 5 10 15 20 25 30 35 40 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17Molybdenum Concentration (µg/L)MW-05BR 0 5 10 15 20 25 30 35 40 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17Molybdenum Concentration (µg/L)MW-06BR 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com DRAWN BY: B. WILKER PROJECT MANAGER: C. EADY LAYOUT: DATE: AUGUST 2017 P:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\CSA Update Oct 2017\Figures\Time Series Plots FIGURE 14-22 TIME VERSUS CONCENTRATION pH IN ASH PORE WATER ROXBORO STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC SEMORA, NORTH CAROLINA WEST ASH BASIN EAST ASH BASIN LEGEND Ash Pore Water Note: 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. 6 7 8 9 10 11 Dec-14Apr-15Jul-15Oct-15Jan-16May-16Aug-16Nov-16Mar-17Jun-17Sep-17pHABMW-01 6 7 8 9 Dec-14Apr-15Jul-15Oct-15Jan-16May-16Aug-16Nov-16Mar-17Jun-17Sep-17pHABMW-04 3 4 5 6 7 8 9 Dec-14Apr-15Jul-15Oct-15Jan-16May-16Aug-16Nov-16Mar-17Jun-17Sep-17pHABMW-03 6 7 8 9 Dec-14Apr-15Jul-15Oct-15Jan-16May-16Aug-16Nov-16Mar-17Jun-17Sep-17pHABMW-06 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com DRAWN BY: B. WILKER PROJECT MANAGER: C. EADY LAYOUT: DATE: AUGUST 2017 P:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\CSA Update Oct 2017\Figures\Time Series Plots FIGURE 14-23 TIME VERSUS CONCENTRATION pH IN TRANSITION ZONE ROXBORO STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC SEMORA, NORTH CAROLINA WEST ASH BASIN EAST ASH BASIN 15 NCAC 02L Standard LEGEND Transition Zone Provisional Background Threshold Values (PBTVs) Note: 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. 6.0 6.5 7.0 7.5 8.0 8.5 9.0 Sep-10Feb-12Jun-13Nov-14Mar-16Aug-17pHCW-05 6 6.5 7 7.5 8 8.5 9 May-16Jun-16Aug-16Oct-16Nov-16Jan-17Mar-17Apr-17Jun-17Aug-17Sep-17pHMW-11D 6.0 6.5 7.0 7.5 8.0 8.5 9.0 Dec-14Apr-15Jul-15Oct-15Jan-16May-16Aug-16Nov-16Mar-17Jun-17Sep-17pHMW-05D 6.0 6.5 7.0 7.5 8.0 8.5 9.0 Dec-14Apr-15Jul-15Oct-15Jan-16May-16Aug-16Nov-16Mar-17Jun-17Sep-17pHMW-06D 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com DRAWN BY: B. WILKER PROJECT MANAGER: C. EADY LAYOUT: DATE: AUGUST 2017 P:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\CSA Update Oct 2017\Figures\Time Series Plots FIGURE 14-24 TIME VERSUS CONCENTRATION pH IN BEDROCK ROXBORO STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC SEMORA, NORTH CAROLINA WEST ASH BASIN EAST ASH BASIN LEGEND 15 NCAC 02L Standard Bedrock Provisional Background Threshold Values (PBTVs) Note: 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. 6.0 6.5 7.0 7.5 8.0 8.5 9.0 Dec-14Apr-15Jul-15Oct-15Jan-16May-16Aug-16Nov-16Mar-17Jun-17Sep-17pHABMW-01BR 6.0 6.5 7.0 7.5 8.0 8.5 9.0 Dec-14Apr-15Jul-15Oct-15Jan-16May-16Aug-16Nov-16Mar-17Jun-17Sep-17pHABMW-04BR 5.0 5.5 6.0 6.5 7.0 7.5 8.0 8.5 9.0 Dec-14Apr-15Jul-15Oct-15Jan-16May-16Aug-16Nov-16Mar-17Jun-17Sep-17pHABMW-03BR 6.0 6.5 7.0 7.5 8.0 8.5 9.0 Dec-14Apr-15Jul-15Oct-15Jan-16May-16Aug-16Nov-16Mar-17Jun-17Sep-17pHABMW-06BR 6.0 6.5 7.0 7.5 8.0 8.5 9.0 Dec-14Apr-15Jul-15Oct-15Jan-16May-16Aug-16Nov-16Mar-17Jun-17Sep-17pHABMW-03BRL 6.0 6.5 7.0 7.5 8.0 8.5 9.0 Dec-14Apr-15Jul-15Oct-15Jan-16May-16Aug-16Nov-16Mar-17Jun-17Sep-17pHMW-11BR 6.0 6.5 7.0 7.5 8.0 8.5 9.0 Dec-14Apr-15Jul-15Oct-15Jan-16May-16Aug-16Nov-16Mar-17Jun-17Sep-17pHMW-05BR 6.0 6.5 7.0 7.5 8.0 8.5 9.0 Dec-14Apr-15Jul-15Oct-15Jan-16May-16Aug-16Nov-16Mar-17Jun-17Sep-17pHMW-06BR 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com DRAWN BY: B. WILKER PROJECT MANAGER: C. EADY LAYOUT: DATE: AUGUST 2017 P:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\CSA Update Oct 2017\Figures\Time Series Plots FIGURE 14-25 TIME VERSUS CONCENTRATION SELENIUM IN ASH PORE WATER ROXBORO STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC SEMORA, NORTH CAROLINA WEST ASH BASIN EAST ASH BASIN LEGEND Ash Pore Water Note: 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. 0 2 4 6 8 10 12 14 16 18 20 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17Selenium Concentration (µg/L)ABMW-01 0 2 4 6 8 10 12 14 16 18 20 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17Selenium Concentration (µg/L)ABMW-04 0 2 4 6 8 10 12 14 16 18 20 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17Selenium Concentration (µg/L)ABMW-03 0 2 4 6 8 10 12 14 16 18 20 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17Selenium Concentration (µg/L)ABMW-06 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com DRAWN BY: B. WILKER PROJECT MANAGER: C. EADY LAYOUT: DATE: AUGUST 2017 P:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\CSA Update Oct 2017\Figures\Time Series Plots FIGURE 14-26 TIME VERSUS CONCENTRATION SELENIUM IN TRANSITION ZONE ROXBORO STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC SEMORA, NORTH CAROLINA WEST ASH BASIN EAST ASH BASIN 15 NCAC 02L Standard LEGEND Transition Zone Provisional Background Threshold Values (PBTVs) Note: 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. 0 2 4 6 8 10 12 14 16 18 20 Sep-10Feb-12Jun-13Nov-14Mar-16Aug-17Selenium Concentration (µg/L)CW-05 0 2 4 6 8 10 12 14 16 18 20 Aug-16Oct-16Nov-16Jan-17Mar-17Apr-17Jun-17Aug-17Sep-17Selenium Concentration (µg/L)MW-11D 0 2 4 6 8 10 12 14 16 18 20 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17Selenium Concentration (µg/L)MW-05D 0 2 4 6 8 10 12 14 16 18 20 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17Selenium Concentration (µg/L)MW-06D 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com DRAWN BY: B. WILKER PROJECT MANAGER: C. EADY LAYOUT: DATE: AUGUST 2017 P:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\CSA Update Oct 2017\Figures\Time Series Plots FIGURE 14-27 TIME VERSUS CONCENTRATION SELENIUM IN BEDROCK ROXBORO STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC SEMORA, NORTH CAROLINA WEST ASH BASIN EAST ASH BASIN 15 NCAC 02L Standard Bedrock Provisional Background Threshold Values (PBTVs) LEGEND Note: 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. 0 2 4 6 8 10 12 14 16 18 20 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17Selenium Concentration (µg/L)ABMW-01BR 0 2 4 6 8 10 12 14 16 18 20 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17Selenium Concentration (µg/L)ABMW-04BR 0 2 4 6 8 10 12 14 16 18 20 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17Selenium Concentration (µg/L)ABMW-03BR 0 2 4 6 8 10 12 14 16 18 20 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17Selenium Concentration (µg/L)ABMW-06BR 0 2 4 6 8 10 12 14 16 18 20 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17Selenium Concentration (µg/L)ABMW-03BRL 0 2 4 6 8 10 12 14 16 18 20 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17Selenium Concentration (µg/L)MW-11BR 0 2 4 6 8 10 12 14 16 18 20 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17Selenium Concentration (µg/L)MW-05BR 0 2 4 6 8 10 12 14 16 18 20 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17Selenium Concentration (µg/L)MW-06BR 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com DRAWN BY: B. WILKER PROJECT MANAGER: C. EADY LAYOUT: DATE: AUGUST 2017 P:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\CSA Update Oct 2017\Figures\Time Series Plots FIGURE 14-28 TIME VERSUS CONCENTRATION STRONTIUM IN ASH PORE WATER ROXBORO STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC SEMORA, NORTH CAROLINA WEST ASH BASIN EAST ASH BASIN LEGEND Ash Pore Water Note: 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. 0 500 1000 1500 2000 2500 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17Strontium Concentration (µg/L)ABMW-01 0 2000 4000 6000 8000 10000 12000 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17Strontium Concentration (µg/L)ABMW-04 0 500 1000 1500 2000 2500 3000 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17Strontium Concentration (µg/L)ABMW-03 0 2000 4000 6000 8000 10000 12000 14000 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17Strontium Concentration (µg/L)ABMW-06 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com DRAWN BY: B. WILKER PROJECT MANAGER: C. EADY LAYOUT: DATE: AUGUST 2017 P:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\CSA Update Oct 2017\Figures\Time Series Plots FIGURE 14-29 TIME VERSUS CONCENTRATION STRONTIUM IN TRANSITION ZONE ROXBORO STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC SEMORA, NORTH CAROLINA WEST ASH BASIN EAST ASH BASIN LEGEND Transition Zone Provisional Background Threshold Values (PBTVs) Note: 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. 0 100 200 300 400 500 600 700 800 900 1000 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17Strontium Concentration (µg/L)CW-05 0 100 200 300 400 500 600 700 800 900 1000 Sep-10Feb-12Jun-13Nov-14Mar-16Aug-17Strontium Concentration (µg/L)MW-11D 0 100 200 300 400 500 600 700 800 900 1000 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17Strontium Concentration (µg/L)MW-05D 0 100 200 300 400 500 600 700 800 900 1000 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17Strontium Concentration (µg/L)MW-06D 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com DRAWN BY: B. WILKER PROJECT MANAGER: C. EADY LAYOUT: DATE: AUGUST 2017 P:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\CSA Update Oct 2017\Figures\Time Series Plots FIGURE 14-30 TIME VERSUS CONCENTRATION STRONTIUM IN BEDROCK ROXBORO STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC SEMORA, NORTH CAROLINA WEST ASH BASIN EAST ASH BASIN LEGEND Bedrock Provisional Background Threshold Values (PBTVs) Note: 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. 0 50 100 150 200 250 300 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17Strontium Concentration (µg/L)ABMW-01BR 0 50 100 150 200 250 300 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17Strontium Concentration (µg/L)ABMW-04BR 0 500 1000 1500 2000 2500 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17Strontium Concentration (µg/L)ABMW-03BR 0 50 100 150 200 250 300 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17Strontium Concentration (µg/L)ABMW-06BR 0 100 200 300 400 500 600 700 800 900 1000 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17Strontium Concentration (µg/L)ABMW-03BRL 0 50 100 150 200 250 300 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17Strontium Concentration (µg/L)MW-11BR 0 50 100 150 200 250 300 350 400 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17Strontium Concentration (µg/L)MW-05BR 0 50 100 150 200 250 300 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17Strontium Concentration (µg/L)MW-06BR 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com DRAWN BY: B. WILKER PROJECT MANAGER: C. EADY LAYOUT: DATE: AUGUST 2017 P:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\CSA Update Oct 2017\Figures\Time Series Plots FIGURE 14-31 TIME VERSUS CONCENTRATION SULFATE IN ASH PORE WATER ROXBORO STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC SEMORA, NORTH CAROLINA WEST ASH BASIN EAST ASH BASIN LEGEND Ash Pore Water Note: 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. 0 50 100 150 200 250 300 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17Sulfate Concentration (mg/L)ABMW-01 0 500 1000 1500 2000 2500 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17Sulfate Concentration (mg/L)ABMW-04 0 500 1000 1500 2000 2500 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17Sulfate Concentration (mg/L)ABMW-03 0 100 200 300 400 500 600 700 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17Sulfate Concentration (mg/L)ABMW-06 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com DRAWN BY: B. WILKER PROJECT MANAGER: C. EADY LAYOUT: DATE: AUGUST 2017 P:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\CSA Update Oct 2017\Figures\Time Series Plots FIGURE 14-32 TIME VERSUS CONCENTRATION SULFATE IN TRANSITION ZONE ROXBORO STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC SEMORA, NORTH CAROLINA WEST ASH BASIN EAST ASH BASIN 15 NCAC 02L Standard LEGEND Transition Zone Provisional Background Threshold Values (PBTVs) Note: 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. 0 100 200 300 400 500 600 700 800 900 1000 Sep-10Feb-12Jun-13Nov-14Mar-16Aug-17Sulfate Concentration (mg/L)CW-05 0 50 100 150 200 250 300 Aug-16Oct-16Nov-16Jan-17Mar-17Apr-17Jun-17Aug-17Sep-17Sulfate Concentration (mg/L)MW-11D 0 100 200 300 400 500 600 700 800 900 1000 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17Sulfate Concentration (mg/L)MW-05D 0 50 100 150 200 250 300 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17Sulfate Concentration (mg/L)MW-06D 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com DRAWN BY: B. WILKER PROJECT MANAGER: C. EADY LAYOUT: DATE: AUGUST 2017 P:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\CSA Update Oct 2017\Figures\Time Series Plots FIGURE 14-33 TIME VERSUS CONCENTRATION SULFATE IN BEDROCK ROXBORO STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC SEMORA, NORTH CAROLINA WEST ASH BASIN EAST ASH BASIN LEGEND 15 NCAC 02L Standard Bedrock Provisional Background Threshold Values (PBTVs) Note: 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. 0 50 100 150 200 250 300 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17Sulfate Concentration (mg/L)ABMW-01BR 0 50 100 150 200 250 300 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17Sulfate Concentration (mg/L)ABMW-04BR 0 500 1000 1500 2000 2500 3000 3500 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17Sulfate Concentration (mg/L)ABMW-03BR 0 50 100 150 200 250 300 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17Sulfate Concentration (mg/L)ABMW-06BR 0 100 200 300 400 500 600 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17Sulfate Concentration (mg/L)ABMW-03BRL 0 50 100 150 200 250 300 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17Sulfate Concentration (mg/L)MW-11BR 0 50 100 150 200 250 300 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17Sulfate Concentration (mg/L)MW-05BR 0 50 100 150 200 250 300 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17Sulfate Concentration (mg/L)MW-06BR 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com DRAWN BY: B. WILKER PROJECT MANAGER: C. EADY LAYOUT: DATE: AUGUST 2017 P:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\CSA Update Oct 2017\Figures\Time Series Plots FIGURE 14-34 TIME VERSUS CONCENTRATION TOTAL DISSOLVED SOLIDS IN ASH PORE WATER ROXBORO STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC SEMORA, NORTH CAROLINA WEST ASH BASIN EAST ASH BASIN LEGEND Ash Pore Water Note: 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. 0 100 200 300 400 500 600 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17TDS Concentration (mg/L)ABMW-01 0 500 1000 1500 2000 2500 3000 3500 4000 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17TDS Concentration (mg/L)ABMW-04 0 500 1000 1500 2000 2500 3000 3500 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17TDS Concentration (mg/L)ABMW-03 0 100 200 300 400 500 600 700 800 900 1000 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17TDS Concentration (mg/L)ABMW-06 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com DRAWN BY: B. WILKER PROJECT MANAGER: C. EADY LAYOUT: DATE: AUGUST 2017 P:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\CSA Update Oct 2017\Figures\Time Series Plots FIGURE 14-35 TIME VERSUS CONCENTRATION TOTAL DISSOLVED SOLIDS IN TRANSITION ZONE ROXBORO STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC SEMORA, NORTH CAROLINA WEST ASH BASIN EAST ASH BASIN 15 NCAC 02L Standard LEGEND Transition Zone Provisional Background Threshold Values (PBTVs) Note: 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. 0 200 400 600 800 1000 1200 1400 1600 1800 2000 Sep-10Feb-12Jun-13Nov-14Mar-16Aug-17TDS Concentration (mg/L)CW-05 0 100 200 300 400 500 600 Aug-16Oct-16Nov-16Jan-17Mar-17Apr-17Jun-17Aug-17Sep-17TDS Concentration (mg/L)MW-11D 0 200 400 600 800 1000 1200 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17TDS Concentration (mg/L)MW-05D 0 100 200 300 400 500 600 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17TDS Concentration (mg/L)MW-06D 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com DRAWN BY: B. WILKER PROJECT MANAGER: C. EADY LAYOUT: DATE: AUGUST 2017 P:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\CSA Update Oct 2017\Figures\Time Series Plots FIGURE 14-36 TIME VERSUS CONCENTRATION TOTAL DISSOLVED SOLIDS IN BEDROCK ROXBORO STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC SEMORA, NORTH CAROLINA WEST ASH BASIN EAST ASH BASIN LEGEND 15 NCAC 02L Standard Bedrock Provisional Background Threshold Values (PBTVs) Note: 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. 0 100 200 300 400 500 600 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17TDS Concentration (mg/L)ABMW-01BR 0 500 1000 1500 2000 2500 3000 3500 4000 4500 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17TDS Concentration (mg/L)ABMW-03BR 0 100 200 300 400 500 600 700 800 900 1000 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17TDS Concentration (mg/L)ABMW-03BRL 0 100 200 300 400 500 600 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17TDS Concentration (mg/L)MW-11BR 0 100 200 300 400 500 600 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17TDS Concentration (mg/L)MW-05BR 0 100 200 300 400 500 600 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17TDS Concentration (mg/L)MW-06BR 0 100 200 300 400 500 600 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17TDS Concentration (mg/L)ABMW-04BR 0 100 200 300 400 500 600 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17TDS Concentration (mg/L)ABMW-06BR 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com DRAWN BY: B. WILKER PROJECT MANAGER: C. EADY LAYOUT: DATE: AUGUST 2017 P:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\CSA Update Oct 2017\Figures\Time Series Plots FIGURE 14-37 TIME VERSUS CONCENTRATION TOTAL URANIUM IN ASH PORE WATER ROXBORO STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC SEMORA, NORTH CAROLINA WEST ASH BASIN EAST ASH BASIN LEGEND Ash Pore Water 0.00 0.01 0.02 0.03 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17Total Uranium Concentration (µg/mL)ABMW-01 0.00 0.01 0.02 0.03 0.04 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17Total Uranium Concentration (µg/mL)ABMW-04 0.00 0.01 0.02 0.03 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17Total Uranium Concentration (µg/mL)ABMW-03 0.00 0.01 0.02 0.03 0.04 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17Total Uranium Concentration (µg/mL)ABMW-06 Note: 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. 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com DRAWN BY: B. WILKER PROJECT MANAGER: C. EADY LAYOUT: DATE: AUGUST 2017 P:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\CSA Update Oct 2017\Figures\Time Series Plots FIGURE 14-38 TIME VERSUS CONCENTRATION TOTAL URANIUM IN TRANSITION ZONE ROXBORO STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC SEMORA, NORTH CAROLINA WEST ASH BASIN EAST ASH BASIN LEGEND Transition Zone MCL Provisional Background Threshold Values (PBTVs) 0.00 0.01 0.02 0.03 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17Total Uranium Concentration (µg/mL)CW-05 0.00 0.01 0.02 0.03 Sep-10Feb-12Jun-13Nov-14Mar-16Aug-17Total Uranium Concentration (µg/mL)MW-11D 0.00 0.01 0.02 0.03 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17Total Uranium Concentration (µg/mL)MW-05D 0.00 0.01 0.02 0.03 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17Total Uranium Concentration (µg/mL)MW-06D Note: 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. 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com DRAWN BY: B. WILKER PROJECT MANAGER: C. EADY LAYOUT: DATE: AUGUST 2017 P:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\CSA Update Oct 2017\Figures\Time Series Plots FIGURE 14-39 TIME VERSUS CONCENTRATION TOTAL URANIUM IN BEDROCK ROXBORO STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC SEMORA, NORTH CAROLINA WEST ASH BASIN EAST ASH BASIN LEGEND Bedrock MCL Provisional Background Threshold Values (PBTVs) 0.00 0.01 0.02 0.03 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17Total Uranium Concentration (µg/mL)ABMW-01BR 0.00 0.01 0.02 0.03 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17Total Uranium Concentration (µg/mL)ABMW-04BR 0.00 0.01 0.02 0.03 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17Total Uranium Concentration (µg/mL)ABMW-03BR 0.00 0.01 0.02 0.03 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17Total Uranium Concentration (µg/mL)ABMW-06BR 0.00 0.01 0.02 0.03 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17Total Uranium Concentration (µg/mL)ABMW-03BRL 0.00 0.01 0.02 0.03 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17Total Uranium Concentration (µg/mL)MW-11BR 0.00 0.01 0.02 0.03 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17Total Uranium Concentration (µg/mL)MW-05BR 0.00 0.01 0.02 0.03 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17Total Uranium Concentration (µg/mL)MW-06BR Note: 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. 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com DRAWN BY: B. WILKER PROJECT MANAGER: C. EADY LAYOUT: DATE: AUGUST 2017 P:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\CSA Update Oct 2017\Figures\Time Series Plots FIGURE 14-40 TIME VERSUS CONCENTRATION VANADIUM IN ASH PORE WATER ROXBORO STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC SEMORA, NORTH CAROLINA WEST ASH BASIN EAST ASH BASIN 0 20 40 60 80 100 120 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17Vanadium Concentration (µg/L)ABMW-01 0 5 10 15 20 25 30 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17Vanadium Concentration (µg/L)ABMW-04 0 5 10 15 20 25 30 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17Vanadium Concentration (µg/L)ABMW-03 0 5 10 15 20 25 30 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17Vanadium Concentration (µg/L)ABMW-06 Note: 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. LEGEND Ash Pore Water 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com DRAWN BY: B. WILKER PROJECT MANAGER: C. EADY LAYOUT: DATE: AUGUST 2017 P:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\CSA Update Oct 2017\Figures\Time Series Plots FIGURE 14-41 TIME VERSUS CONCENTRATION VANADIUM IN TRANSITION ZONE ROXBORO STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC SEMORA, NORTH CAROLINA WEST ASH BASIN EAST ASH BASIN 0 5 10 15 20 25 30 35 40 45 50 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17Vanadium Concentration (µg/L)CW-05 0 5 10 15 20 25 30 35 40 45 50 Sep-10Feb-12Jun-13Nov-14Mar-16Aug-17Vanadium Concentration (µg/L)MW-11D 0 5 10 15 20 25 30 35 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17Vanadium Concentration (µg/L)MW-05D 0 5 10 15 20 25 30 35 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17Vanadium Concentration (µg/L)MW-06D Note: 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. LEGEND Transition Zone IMAC Provisional Background Threshold Values (PBTVs) 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com DRAWN BY: B. WILKER PROJECT MANAGER: C. EADY LAYOUT: DATE: AUGUST 2017 P:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\CSA Update Oct 2017\Figures\Time Series Plots FIGURE 14-42 TIME VERSUS CONCENTRATION VANADIUM IN BEDROCK ROXBORO STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC SEMORA, NORTH CAROLINA WEST ASH BASIN EAST ASH BASIN Note: 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. LEGEND Bedrock IMAC Provisional Background Threshold Values (PBTVs) 0.0 0.5 1.0 1.5 2.0 2.5 3.0 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17Vanadium Concentration (µg/L)ABMW-01BR 0 1 2 3 4 5 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17Vanadium Concentration (µg/L)ABMW-04BR 0 1 2 3 4 5 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17Vanadium Concentration (µg/L)ABMW-03BR 0 1 2 3 4 5 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17Vanadium Concentration (µg/L)ABMW-06BR 0.0 0.5 1.0 1.5 2.0 2.5 3.0 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17Vanadium Concentration (µg/L)ABMW-03BRL 0 1 2 3 4 5 6 7 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17Vanadium Concentration (µg/L)MW-11BR 0.0 0.5 1.0 1.5 2.0 2.5 3.0 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17Vanadium Concentration (µg/L)MW-05BR 0.0 0.5 1.0 1.5 2.0 2.5 3.0 Dec-14Jul-15Jan-16Aug-16Mar-17Sep-17Vanadium Concentration (µg/L)MW-06BR <<<<<<<<<<<<<&<&< &<&< &<&<&< &<&< &< &< &<&< &<&< &< &< &<&< &<&< &< &< &<&<&< &< &<&<&< &<&< &<&<&< &<&< &< &< &< &< &< &<&< &< &< &<&< &<&< &< &< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &<&< &<&< &< &< &< &< &< &< &< &< &< EAST ASH BASIN WEST ASHBASIN HEATED WATERDISCHARGE POND HYCOLAKE GYPSUMSTORAGE AREA HYCOLAKE ROXBORO PLANT FGD PONDS BIO REACTOR SUBSTATION WAB EXTENSION IMPOUNDMENT COOLING WATER INTAKE BASIN EABEXTENSION IMPOUNDMENT SHORE RDSTATE RD 1316 D U N N AW A Y R D STATE RD 1377 STATE HWY 57 SEMORA R D STATE RD 1336MCGHEES MILL RDABMW-1BRND ABMW-2BRND ABMW-3ND ABMW-3BRNDABMW-3BRLND ABMW-4ND ABMW-4BRND ABMW-6BRND ABMW-7BRND ABMW-7BRLND BG-1ND BG-1BRLR2.14 CW-1ND CW-2ND CW-2DND CW-3NDCW-3DND CW-4ND CW-5ND GMW-10ND GMW-11ND GMW-6ND GMW-7ND GMW-8ND GMW-9ND GMW-9ND GPMW-1BRND GPMW-1DND GPMW-2BRND GPMW-2BRND GPMW-2DND GPMW-3BRND GPMW-3DND MW-10BRND MW-11BRND MW-12BRND MW-13BRND MW-14BRND MW-15BRND MW-15DND MW-16BRND MW-17BRND MW-18BRND MW-18DND MW-19BRND MW-19BRLND MW-1BRND MW-20BRLND MW-22BRND MW-22DND MW-23BRRND MW-24BRND MW-25BRND MW-26BRND MW-27BRND MW-28BRND MW-29BRND MW-2BRND MW-30BRND MW-31BRND MW-32BRND MW-33BRND MW-3BRND MW-5DND MW-6BRND MW-6DND MW-7BRND MW-8BRND MW-9BRND ABMW-5ND ABMW-6ND MW-11DND GPMW-1SND ABMW-13.19 ABMW-2ND MW-4BR1.07 ABMW-74.56 ABMW-5DND BG-1BRND MW-5BRND BG-2BRND FIGURE 14-43GROUNDWATER CONCENTRATION TREND ANALYSIS ANTIMONY IN ALL FLOW LAYERSROXBORO STEAM ELECTRIC PLANTDUKE ENERGY PROGRESS, LLCSEMORA, NORTH CAROLINADRAWN BY: J. ROBERTSPROJECT MANAGER: C. EADYCHECKED BY: C. EADY DATE: 10/28/2017 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Pro gress.1026\00 GIS BASE DATA\Ro xb o ro \Ma p_ Do cs\CSA_ Supplem ent_ 2\Ro xb o ro - Co ncentra tio ns O ver TIm e Ma ps.m xd GRAPHIC SCALE NOTES:ANTIMO NY CO NCENTRATIO N IS MEASURED IN μg/L AND THE NCAC IMACSTANDARD IS 1.0 ug/L ND = NO N-DETECT THE DETERMINATIO N O F CO NCENTRATIO N TRENDS O VER TIME AREGENERALIZED BASED O N AVAILABLE DATA AND W ERE NO T STATISTICALLYDETERMINED. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NO TES FO R QUALIFIER DEFINITIO NS. PRO PERTY BO UNDARY PRO VIDED BY DUKE ENERGY PRO GRESS. JUNE, 2016 AERIAL PHO TO GRAPHY O BTAINED FRO M USDA NRCS GEO SPATIALDATA GATEW AY (https://gdg.sc.ego v.usda .go v.GDGO rder.a spx). DRAW ING HAS BEEN SET W ITH A PRO JECTIO N O F NO RTH CARO LINA STATE PLANECO O RDINATE SYSTEM FIPS 3200 (NAD83/2011). 0 550 1,100 1,650 2,200275 Feet LCID LANDFILL INDUSTRIAL LANDFILL <STREAM &<MO NITO RING W ELL LEGEND INCREASING CO NCENTRATIO N O VER TIME UNKNO W N CO NCENTRATIO N O VER TIME DECREASING CO NCENTRATIO N O VER TIME STABLE CO NCENTRATIO N O VER TIME 1 1 1 1 LANDFILL AREA DUKE ENERGY PRO GRESS RO X BO RO PLANT SITEBO UNDARY ASH BASIN W ASTE BO UNDARY ASH BASIN CO MPLIANCE BO UNDARY !(!( !(!( !(!( !(!(!( !( !( !( !( !( !( !( !(!( !(!( !(!(!(!(!(!( !( !( !( !( !( !( !( !( !( !( !( !( !( !( !( !( !( !(!( !(!(<<<<<<<<<<<<<EABEXTENSION IMPOUNDMENT COOLING WATER INTAKE BASIN WAB EXTENSION IMPOUNDMENT SUBSTATION BIO REACTOR FGD PONDS ROXBORO PLANT HYCOLAKE GYPSUMSTORAGE AREA HYCOLAKE HEATED WATERDISCHARGE POND WEST ASHBASIN EASTASH BASIN SHORE RDSTATE RD 1316 DUNNAWAY RD S T A T E R D 1 3 7 7 STATE H W Y 5 7 SEMORA RD STATE RD 1336MCGHEES MILL RDEAB-01ND S-01ND S-02NDS-03ND S-04ND S-07ND S-08ND S-09ND S-13ND S-14ND S-18NDSW-03ND SW-04ND SW-05ND WAB-01ND CF-02 DWND CF-02 SWND CF-04 DWND CF-04SWND CL-02ND CL-02SND CL-05ND CL-05SND CL-07ND CV-02ND EDC-01ND EDC-02ND EDC-03ND EDC-04ND EDC-05ND EF-02 DWND EF-02 SWND EF-04 DWND EF-04SWND S-21ND SW-01ND SW-02ND WDC-01ND WDC-02ND WDC-03ND WDC-04ND WDC-05ND WDC-06ND WF-02 DWND WF-02 SWND WF-04 DWND WF-04SWND FIGURE 14-44GROUNDWATER CONCENTRATION TREND ANALYSISANTIMONY IN SURFACE WATERROXBORO STEAM ELECTRIC PLANTDUKE ENERGY PROGRESS, LLCSEMORA, NORTH CAROLINADRAWN BY: J. ROBERTSPROJECT MANAGER: C. EADYCHECKED BY: C. EADY DATE: 10/28/2017 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Pro gress.1026\00 GIS BASE DATA\Ro xb o ro \Ma p_ Do cs\CSA_ Supplem ent_ 2\Ro xb o ro - Co ncentra tio ns O ver TIm e Ma ps Seeps2.m xd GRAPHIC SCALE NOTES:ANTIMO NY CO NCENTRATIO N IS MEASURED IN μg/L AND THE IMAC STANDARD IS1.0 ug/L ND = NO N-DETECT THE DETERMINATIO N O F CO NCENTRATIO N TRENDS O VER TIME AREGENERALIZED BASED O N AVAILABLE DATA AND W ERE NO T STATISTICALLYDETERMINED. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NO TES FO R QUALIFIER DEFINITIO NS. PRO PERTY BO UNDARY PRO VIDED BY DUKE ENERGY PRO GRESS. JUNE, 2016 AERIAL PHO TO GRAPHY O BTAINED FRO M USDA NRCS GEO SPATIALDATA GATEW AY (https://gdg.sc.ego v.usda .go v.GDGO rder.a spx). DRAW ING HAS BEEN SET W ITH A PRO JECTIO N O F NO RTH CARO LINA STATE PLANECO O RDINATE SYSTEM FIPS 3200 (NAD83/2011). 0 550 1,100 1,650 2,200275 Feet LCID LANDFILL INDUSTRIAL LANDFILL DUKE ENERGY RO X BO RO PLANT SITE BO UNDARY <STREAM ASH BASIN ASH BASIN CO MPLIANCE LANDFILL AREA LEGEND INCREASING CO NCENTRATIO N O VER TIME UNKNO W N CO NCENTRATIO N O VER TIME DECREASING CO NCENTRATIO N O VER TIME STABLE CO NCENTRATIO N O VER TIME 1 1 1 1 !(AO W SAMPLE <<<<<<<<<<<<<&<&< &<&< &<&<&< &<&< &< &< &<&< &<&< &< &< &<&< &<&< &< &< &<&<&< &< &<&< &<&< &<&<&< &<&< &< &< &< &< &< &<&< &< &< &<&< &< &< &< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &<&< &<&< &< &< &< &< &< &< &< &< &< EAST ASH BASIN WEST ASHBASIN HEATED WATERDISCHARGE POND HYCOLAKE GYPSUMSTORAGE AREA HYCOLAKE ROXBORO PLANT FGD PONDS BIO REACTOR SUBSTATION WAB EXTENSION IMPOUNDMENT COOLING WATER INTAKE BASIN EABEXTENSION IMPOUNDMENT SHORE RDSTATE RD 1316 D U N N AW A Y R D STATE RD 1377 STATE HWY 57 SEMORA R D STATE RD 1336MCGHEES MILL RDABMW-1BR488 ABMW-2BRND ABMW-3256 ABMW-3BR4650 ABMW-439700 ABMW-4BRND ABMW-5D2580 ABMW-6BRND BG-1NDBG-1BRND BG-1BRLR101 CW-1ND CW-2ND CW-2DND CW-3NDCW-3DND CW-4ND CW-5252 GMW-1092 GMW-71340 GMW-9ND GPMW-1BR1440 GPMW-1D961 GPMW-2BR2460 GPMW-2BR2470 GPMW-2DND GPMW-3BR247 GPMW-3D1530 MW-10BRND MW-11BRND MW-12BRND MW-13BRND MW-14BRND MW-15BRND MW-15DND MW-16BRND MW-17BRND MW-18BRND MW-18DND MW-19BRLND MW-20BRLND MW-23BRRND MW-24BRND MW-25BRND MW-26BRND MW-27BRND MW-28BRND MW-29BRND MW-2BRND MW-30BRND MW-31BRND MW-32BRND MW-33BRND MW-3BR2900 MW-4BRND MW-5BRNDMW-5D747 MW-6BRND MW-6DND MW-7BRND MW-8BRND MW-9BRND ABMW-63180 ABMW-75980 MW-11DND GPMW-1S1450 ABMW-112400 ABMW-21930 ABMW-7BR1430 MW-22BR558 MW-22D458 ABMW-523200 ABMW-3BRLND ABMW-7BRL93 GMW-113380GMW-62420 GMW-84830 MW-1BR1060 BG-2BRND FIGURE 14-45GROUNDWATER CONCENTRATION TREND ANALYSIS BORON IN ALL FLOW LAYERSROXBORO STEAM ELECTRIC PLANTDUKE ENERGY PROGRESS, LLCSEMORA, NORTH CAROLINADRAWN BY: J. ROBERTSPROJECT MANAGER: C. EADYCHECKED BY: C. EADY DATE: 10/28/2017 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Roxboro\Map_Docs\CSA_Supplement_2\Roxboro - Concentrations Over TIme Maps.mxd GRAPHIC SCALE NOTES:BORON CONCENTRATION IS MEASURED IN ug/L AND THE NCAC STANDARD IS 700ug/L. ND = NON-DETECT THE DETERMINATION OF CONCENTRATION TRENDS OVER TIME AREGENERALIZED BASED ON AVAILABLE DATA AND WERE NOT STATISTICALLYDETERMINED. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY PROGRESS. JUNE, 2016 AERIAL PHOTOGRAPHY OBTAINED FROM USDA NRCS GEOSPATIALDATA GATEWAY (https://gdg.sc.egov.usda.gov.GDGOrder.aspx). DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83/2011). 0 550 1,100 1,650 2,200275 Feet LCID LANDFILL INDUSTRIAL LANDFILL <STREAM &<MONITORING WELL LEGEND INCREASING CONCENTRATION OVER TIME UNKNOWN CONCENTRATION OVER TIME DECREASING CONCENTRATION OVER TIME STABLE CONCENTRATION OVER TIME 1 1 1 1 LANDFILL AREA DUKE ENERGY PROGRESS ROXBORO PLANT SITEBOUNDARY ASH BASIN WASTE BOUNDARY ASH BASIN COMPLIANCE BOUNDARY !(!( !(!( !(!( !(!(!( !( !( !( !( !( !( !( !(!( !(!( !(!(!(!(!(!( !( !( !( !( !( !( !( !( !( !( !( !( !( !( !( !( !( !(!( !(!(<<<<<<<<<<<<<EABEXTENSION IMPOUNDMENT COOLING WATER INTAKE BASIN WAB EXTENSION IMPOUNDMENT SUBSTATION BIO REACTOR FGD PONDS ROXBORO PLANT HYCOLAKE GYPSUMSTORAGE AREA HYCOLAKE HEATED WATERDISCHARGE POND WEST ASHBASIN EASTASH BASIN SHORE RDSTATE RD 1316 DUNNAWAY RD S T A T E R D 1 3 7 7 STATE H W Y 5 7 SEMORA RD STATE RD 1336MCGHEES MILL RDS-023740 S-0827100 S-14500 SW-03ND SW-04ND SW-05ND WAB-011440 S-091260S-183310S-012920 S-033810 S-045580 S-0711600 S-13662 CF-02 DW708 CF-02 SW800 CF-04 DW740 CF-04 SW772 CL-021120 CL-02S1110 CL-051430 CL-05S1100 CL-071130 CV-021100 EAB-01692 EDC-012150 EDC-021810 EDC-032020 EDC-041560 EDC-051620 EF-02 DW731 EF-02 SW797 EF-04 DW696 EF-04 SW701 S-211170 SW-01ND SW-02ND WDC-01885 WDC-02894 WDC-03877 WDC-04895 WDC-051010 WDC-061210 WF-02 DW798 WF-02 SW799 WF-04 DW770WF-04 SW773 FIGURE 14-46GROUNDWATER CONCENTRATION TREND ANALYSISBORON IN SURFACE WATERROXBORO STEAM ELECTRIC PLANTDUKE ENERGY PROGRESS, LLCSEMORA, NORTH CAROLINADRAWN BY: J. ROBERTSPROJECT MANAGER: C. EADYCHECKED BY: C. EADY DATE: 10/28/2017 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Roxboro\Map_Docs\CSA_Supplement_2\Roxboro - Concentrations Over TIme Maps Seeps2.mxd GRAPHIC SCALE NOTES:BORON CONCENTRATION IS MEASURED IN ug/L AND THE IMAC STANDARD IS 700ug/L. ND = NON-DETECT THE DETERMINATION OF CONCENTRATION TRENDS OVER TIME AREGENERALIZED BASED ON AVAILABLE DATA AND WERE NOT STATISTICALLYDETERMINED. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY PROGRESS. JUNE, 2016 AERIAL PHOTOGRAPHY OBTAINED FROM USDA NRCS GEOSPATIALDATA GATEWAY (https://gdg.sc.egov.usda.gov.GDGOrder.aspx). DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83/2011). 0 550 1,100 1,650 2,200275 Feet LCID LANDFILL INDUSTRIAL LANDFILL DUKE ENERGY ROXBORO PLANT SITE BOUNDARY <STREAM ASH BASIN ASH BASIN COMPLIANCE LANDFILL AREA LEGEND INCREASING CONCENTRATION OVER TIME UNKNOWN CONCENTRATION OVER TIME DECREASING CONCENTRATION OVER TIME STABLE CONCENTRATION OVER TIME 1 1 1 1 !(AOW SAMPLE <<<<<<<<<<<<&<&<&<&< &<&<&<&< &<&<&<&<&<&< &<&<&<&< &<&< &<&< &<&<&<&< &<&<&<&< &<&< &<&< &<&<&<&< &<&<&<&< &<&< &<&< &<&<&<&<&<&< &<&< &<&<&<&<&< &<&<&<&<&<&< &<&<&<&<&< &<&<&<&< &<&< &<&< &<&< &< &<&< &<&< &<&<&<&< &<&< &<&< &<&<&<&< &<&<&< &<&< &<&< &<&< &<&<&<&< &<&< &<&< &<&< &<&< &<&< &<&< &<&< &<&< &<&< &<&<&<&< &<&< &<&< &<&< &<&< &<&<&<&< &<&<&<&< &<&< &<&< &<&< &<&< &<&< &<&<&<&<&<&< &<&< EASTASH BASIN WEST ASHBASIN HEATED WATERDISCHARGE POND HYCOLAKE GYPSUMSTORAGE AREA HYCOLAKE ROXBORO PLANT FGD PONDS BIO REACTOR SUBSTATION COOLING WATER INTAKE WAB EXTENSION IMPOUNDMENT COOLING WATER INTAKE BASIN DISCHARGE CANAL EFFLUENTDISCHARGE CANAL EFFLUENTDISCHARGE CANAL EAST ASH BASIN EXTENSION IMPOUNDMENT ABMW-1 (VI)0.13 ABMW-1(TOTAL)ND ABMW-1BR(VI)0.86 ABMW-1BR(TOTAL)ND ABMW-2(TOTAL)ND ABMW-3(TOTAL)3.36 ABMW-3BR (VI)0.24 ABMW-3BR(TOTAL)ND ABMW-3BRL(VI)ND ABMW-3BRL(TOTAL)ND ABMW-4 (TOTAL)1.41 ABMW-4BR(TOTAL)10 ABMW-5D (VI)4.5 ABMW-5D(TOTAL)ND ABMW-6BR(TOTAL)ND ABMW-7BR (VI)0.04ABMW-7BR(TOTAL) ND ABMW-7BRL(VI)ND ABMW-7BRL(TOTAL)ND BG-1(VI)6.9 BG-1(TOTAL)7.18 BG-1BRLR (VI)0.44 CW-1(VI)0.03 CW-1(TOTAL)ND CW-2 (VI)0.88 CW-2(TOTAL)1.12 CW-2D(VI)0.47 CW-2D(TOTAL)ND CW-3(VI)ND CW-3(TOTAL)ND CW-3D(VI)0.13 CW-3D(TOTAL)ND CW-4 (VI)0.29 CW-4(TOTAL)ND CW-5 (VI)0.29 CW-5 (TOTAL)ND GMW-10(VI)0.17 GMW-10(TOTAL)ND GMW-11 (VI)0.24 GMW-11(TOTAL)ND GMW-6 (VI)0.78 GMW-7 (VI)0.27 GMW-7(TOTAL)ND GMW-9(TOTAL)ND GPMW-1BR(TOTAL)ND GPMW-1BR(VI)ND GPMW-1D(TOTAL)ND GPMW-1D(VI)0.03 GPMW-1S(TOTAL)ND GPMW-1S (VI)ND GPMW-2BR(VI)0.032 GPMW-2BR(TOTAL)ND GPMW-2BR (VI)0.03 GPMW-2D(TOTAL)NDGPMW-2D (VI)ND GPMW-3BR(TOTAL)ND GPMW-3BR(VI)0.11 GPMW-3D(TOTAL)ND GPMW-3D(VI)ND MW-1 (TOTAL)ND MW-1 (VI)0.081 MW-10BR(VI)0.14 MW-10BR(TOTAL)ND MW-11BR(VI)0.034 MW-11BR(TOTAL)ND MW-12BR(TOTAL)ND MW-13BR(VI)ND MW-13BR(TOTAL)ND MW-14BR(VI)0.65 MW-15BR (TOTAL)1.07 MW-15D(TOTAL)2.53 MW-16BR(TOTAL)ND MW-17BR (VI)0.071 MW-18BR(VI)0.69MW-18BR(TOTAL)ND MW-19BR(VI)L0.65 MW-19BR(TOTAL)ND MW-1BR(VI)0.089 MW-1BR(TOTAL)ND MW-2(TOTAL)ND MW-2 (VI)0.072 MW-20BRL(TOTAL)ND MW-20BRL(VI)ND MW-22BR (VI)ND MW-22BR(TOTAL)ND MW-22D (VI)0.077 MW-22D(TOTAL)ND MW-23BRR(TOTAL)ND MW-26BR(VI)0.57 MW-26BR(TOTAL)ND MW-27BR (VI)0.032 MW-27BR(TOTAL)ND MW-28BR(TOTAL)2.08 MW-28BR (VI)0.061 MW-29BR (VI)0.038 MW-29BR(TOTAL)ND MW-2BR(VI)1.2 MW-2BR(TOTAL)ND MW-30BR(VI)0.73 MW-30BR(TOTAL)2.64 MW-31BR (VI)ND MW-31BR(TOTAL)NDMW-31BR(VI)ND MW-31BR(TOTAL)ND MW-32BR(VI)0.033 MW-32BR(TOTAL)7.48 MW-33BR(VI)1.4 MW-33BR(TOTAL)2 MW-3BR (VI)0.04 MW-3BR(TOTAL)ND MW-4BR (VI)0.047 MW-4BR(TOTAL)1.49 MW-5BR(VI)0.027 MW-5BR(TOTAL)ND MW-5D(VI)0.86 MW-5D(TOTAL)ND MW-6BR(TOTAL)ND MW-6BR(VI)0.07 MW-6D(TOTAL)ND MW-6D (VI)0.052 MW-7BR(VI)0.28 MW-7BR(TOTAL)ND MW-8BR(VI)0.62 MW-8BR(TOTAL)3.77 MW-9BR(VI)ND MW-9BR(TOTAL)ND ABMW-5(TOTAL)ND ABMW-6(TOTAL)ND ABMW-7 (TOTAL) ND ABMW-7BR (VI) ABMW-7BR (TOTAL)ABMW-7BRL (VI) ABMW-7BRL(TOTAL) BG-2BR (VI)ND ABMW-2BR(TOTAL)ND BG-1BRLR(TOTAL)2.48 ABMW-2(VI)ND ABMW-4 (VI)0.65 ABMW-4BR(VI)1.7 BG-1BR(VI)0.054 BG-1BR(TOTAL)4.44 GMW-6 (TOTAL)ND GMW-8(TOTAL)1.55 MW-14BR(TOTAL)ND MW-17BR(TOTAL)ND MW-18D(VI)2.5 MW-18D(TOTAL)4.34 MW-23BRR(VI)ND MW-24BR(VI)0.74 MW-24BR(TOTAL)ND MW-25BR(TOTAL)ND ABMW-5 (VI)0.36 ABMW-6 (VI)0.5 ABMW-7 (VI)0.081 BG-2BR(TOTAL)2.8 SHORE RD STATE RD 1316 D U N N AW A Y R D STATE RD 1377 STATE HWY 57 SEMORA R D STATE RD 1336MCGHEES MILL RDFIGURE 14-47Groundwater Concentration Trend AnalysisCHROMIUM (VI & TOTAL) IN ALL FLOW LAYERSROXBORO STEAM ELECTRIC PLANTDUKE ENERGY PROGRESS, LLCSEMORA, NORTH CAROLINADRAWN BY: J. ROBERTSPROJECT MANAGER: C. EADYCHECKED BY: C. EADY DATE: 10/28/2017 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P :\Duke Energy P rogress.1026\00 GIS BASE DATA\Roxb oro\Ma p _ Doc s\CSA_ Sup p lement_ 2\Roxb oro - Conc entra tions Over TIme Ma p s Chrome_ 2.mxd GRAPHIC SCALE NOTES:CHROMIUM (VI AND TOTAL) CONCENTRATION IS MEASURED IN μg/L AND THE NCAC02L STANDARD IS 10 μg/L. ND = NON-DETECT THE DETERMINATION OF CONCENTRATION TRENDS OVER TIME AREGENERALIZED BASED ON AVAILABLE DATA AND WERE NOT STATISTICALLYDETERMINED. DATA P RESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALY TICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. P ROP ERTY BOUNDARY P ROVIDED BY DUKE ENERGY P ROGRESS. JUNE, 2016 AERIAL P HOTOGRAP HY OBTAINED FROM USDA NRCS GEOSP ATIALDATA GATEWAY (http s://gdg.sc .egov.usda .gov.GDGOrder.a sp x). DRAWING HAS BEEN SET WITH A P ROJECTION OF NORTH CAROLINA STATE P LANECOORDINATE SY STEM FIP S 3200 (NAD83/2011). 0 600 1,200 1,800 2,400300 Feet LCID LANDFILL INDUSTRIAL LANDFILL <STREAM &<MONITORING WELL LEGEND INCREASING CONCENTRATION OVER TIME UNKNOWN CONCENTRATION OVER TIME DECREASING CONCENTRATION OVER TIME STABLE CONCENTRATION OVER TIME 1 1 1 1 LANDFILL AREA DUKE ENERGY P ROGRESS ROX BORO P LANT SITEBOUNDARY ASH BASIN WASTE BOUNDARY ASH BASIN COMP LIANCE BOUNDARY !(!( !(!( !(!( !(!(!( !( !( !( !( !( !( !( !(!( !(!( !(!(!(!(!(!( !( !( !( !( !( !( !( !( !( !( !( !( !( !( !( !( !( !(!( !(!(<<<<<<<<<<<<<EABEXTENSION IMPOUNDMENT COOLING WATER INTAKE BASIN WAB EXTENSION IMPOUNDMENT SUBSTATION BIO REACTOR FGD PONDS ROXBORO PLANT HYCOLAKE GYPSUMSTORAGE AREA HYCOLAKE HEATED WATERDISCHARGE POND WEST ASHBASIN EASTASH BASIN SHORE RDSTATE RD 1316 DUNNAWAY RD S T A T E R D 1 3 7 7 STATE H W Y 5 7 SEMORA RD STATE RD 1336MCGHEES MILL RDEAB-01ND S-01ND S-02ND S-03ND S-04ND S-07ND S-08ND S-09ND S-13ND S-14ND S-18ND S-21ND SW-05ND WAB-01ND WDC-01ND CF-02 DW2.36 CF-02 SWND CF-04 DW1.72 CF-04 SWND CL-02ND CL-02SND CL-05ND CL-05SND CL-07ND CV-02ND EDC-01ND EDC-02ND EDC-03ND EDC-04ND EDC-05ND EF-02 DW1.78 EF-02 SWND EF-04 DWND EF-04 SWND SW-01ND SW-02ND SW-031.25 SW-04ND WDC-02ND WDC-03ND WDC-04ND WDC-05ND WDC-06ND WF-02 DW1.93 WF-02SWND WF-04 DWNDWF-04 SWND FIGURE 14-48GROUNDWATER CONCENTRATION TREND ANALYSISCHROMIUM (TOTAL) IN SURFACE WATERROXBORO STEAM ELECTRIC PLANTDUKE ENERGY PROGRESS, LLCSEMORA, NORTH CAROLINADRAWN BY: J. ROBERTSPROJECT MANAGER: C. EADYCHECKED BY: C. EADY DATE: 10/28/2017 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Pro gress.1026\00 GIS BASE DATA\Ro xb o ro \Ma p_ Do cs\CSA_ Supplem ent_ 2\Ro xb o ro - Co ncentra tio ns O ver TIm e Ma ps Seeps2.m xd GRAPHIC SCALE NOTES:CHRO MIUM (TO TAL) CO NCENTRATIO N IS MEASURED IN μg/L AND THE IMACSTANDARD IS 10 μg/L. ND = NO N-DETECT THE DETERMINATIO N O F CO NCENTRATIO N TRENDS O VER TIME AREGENERALIZED BASED O N AVAILABLE DATA AND W ERE NO T STATISTICALLYDETERMINED. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NO TES FO R QUALIFIER DEFINITIO NS. PRO PERTY BO UNDARY PRO VIDED BY DUKE ENERGY PRO GRESS. JUNE, 2016 AERIAL PHO TO GRAPHY O BTAINED FRO M USDA NRCS GEO SPATIALDATA GATEW AY (https://gdg.sc.ego v.usda .go v.GDGO rder.a spx). DRAW ING HAS BEEN SET W ITH A PRO JECTIO N O F NO RTH CARO LINA STATE PLANECO O RDINATE SYSTEM FIPS 3200 (NAD83/2011). 0 550 1,100 1,650 2,200275 Feet LCID LANDFILL INDUSTRIAL LANDFILL DUKE ENERGY RO X BO RO PLANT SITE BO UNDARY <STREAM ASH BASIN ASH BASIN CO MPLIANCE LANDFILL AREA LEGEND INCREASING CO NCENTRATIO N O VER TIME UNKNO W N CO NCENTRATIO N O VER TIME DECREASING CO NCENTRATIO N O VER TIME STABLE CO NCENTRATIO N O VER TIME 1 1 1 1 !(AO W SAMPLE <<<<<<<<<<<<<&<&< &<&< &<&<&< &<&< &< &< &<&< &<&< &< &< &<&< &<&< &< &< &<&<&< &< &<&< &<&< &<&<&< &<&< &< &< &< &< &< &<&< &< &< &<&< &< &< &< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &<&< &<&< &< &< &< &< &< &< &< &< EAST ASH BASIN WEST ASHBASIN HEATED WATERDISCHARGE POND HYCOLAKE GYPSUMSTORAGE AREA HYCOLAKE ROXBORO PLANT FGD PONDS BIO REACTOR SUBSTATION WAB EXTENSION IMPOUNDMENT COOLING WATER INTAKE BASIN EABEXTENSION IMPOUNDMENT SHORE RD STATERD 1316 D U N N AW A Y R D STATE RD 1377 STATE HWY 57 SEMORA RD STATE RD 1336MCGHEES MILL RDABMW-1ND ABMW-1BRND ABMW-2BRND ABMW-3121 ABMW-4BR1.68 ABMW-5DND ABMW-6BRND ABMW-7BRND ABMW-7BRLND BG-1NDBG-1BRND BG-1BRLRND CW-11.56 CW-2ND CW-2DND CW-3NDCW-3DND CW-4ND CW-5ND GMW-10ND GMW-11NDGMW-6ND GMW-7ND GMW-8ND GMW-9ND GPMW-1BR1.05 GPMW-1DND GPMW-2BRND GPMW-2BRND GPMW-2D8.17 GPMW-3BRNDGPMW-3D9.69 MW-11BRND MW-12BR1.38 MW-15BRND MW-15DND MW-16BRND MW-17BRND MW-18BRND MW-18DND MW-1BR1.45 MW-20BRLND MW-22D6.39 MW-23BRRND MW-24BRND MW-25BRND MW-26BRND MW-27BRND MW-28BRND MW-29BRND MW-2BR2.92 MW-30BRND MW-31BRND MW-32BRND MW-33BRND MW-4BRND MW-5DND MW-6BRND MW-6DND MW-7BRND MW-8BRND ABMW-51.51 ABMW-6ND ABMW-7ND GPMW-1S10.2 ABMW-46.45 ABMW-3BR128 ABMW-3BRLND MW-19BRLND MW-3BR1.86 MW-9BRND ABMW-23.83 MW-10BR19.9 MW-13BR2.74 MW-14BR2.25 MW-22BR7.88 MW-5BR2.45 BG-2BRND FIGURE 14-49GROUNDWATER CONCENTRATION TREND ANALYSIS COBALT IN ALL FLOW LAYERSROXBORO STEAM ELECTRIC PLANTDUKE ENERGY PROGRESS, LLCSEMORA, NORTH CAROLINADRAWN BY: J. ROBERTSPROJECT MANAGER: C. EADYCHECKED BY: C. EADY DATE: 10/28/2017 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Roxboro\Map_Docs\CSA_Supplement_2\Roxboro - Concentrations Over TIme Maps.mxd GRAPHIC SCALE NOTES:COBALT CONCENTRATION IS MEASURED IN ug/L AND THE IMAC STANDARD IS 1ug/L. ND = NON-DETECT THE DETERMINATION OF CONCENTRATION TRENDS OVER TIME AREGENERALIZED BASED ON AVAILABLE DATA AND WERE NOT STATISTICALLYDETERMINED. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY PROGRESS. JUNE, 2016 AERIAL PHOTOGRAPHY OBTAINED FROM USDA NRCS GEOSPATIALDATA GATEWAY (https://gdg.sc.egov.usda.gov.GDGOrder.aspx). DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83/2011). 0 550 1,100 1,650 2,200275 Feet LCID LANDFILL INDUSTRIAL LANDFILL <STREAM &<MONITORING WELL LEGEND INCREASING CONCENTRATION OVER TIME UNKNOWN CONCENTRATION OVER TIME DECREASING CONCENTRATION OVER TIME STABLE CONCENTRATION OVER TIME 1 1 1 1 LANDFILL AREA DUKE ENERGY PROGRESS ROXBORO PLANT SITEBOUNDARY ASH BASIN WASTE BOUNDARY ASH BASIN COMPLIANCE BOUNDARY !(!( !(!( !(!( !(!(!( !( !( !( !( !( !( !( !(!( !(!( !(!(!(!(!(!( !( !( !( !( !( !( !( !( !( !( !( !( !( !( !( !( !( !(!( !(!(<<<<<<<<<<<<<EABEXTENSION IMPOUNDMENT COOLING WATER INTAKE BASIN WAB EXTENSION IMPOUNDMENT SUBSTATION BIO REACTOR FGD PONDS ROXBORO PLANT HYCOLAKE GYPSUMSTORAGE AREA HYCOLAKE HEATED WATERDISCHARGE POND WEST ASHBASIN EASTASH BASIN SHORE RD STATERD 1316 DUNNAWAY RD S T A T E R D 1 3 7 7 STATE H W Y 5 7 SEMORA RD STATE RD 1336MCGHEES MILL RDS-14ND SW-04ND SW-05ND S-09ND S-13ND SW-038 CF-02 DW3.56CF-02 SWND CF-04 DW3.67CF-04 SWND CL-02ND CL-02SND CL-05ND CL-05SND CL-07ND CV-02ND EAB-01ND EDC-01ND EDC-02ND EDC-03ND EDC-04ND EDC-051.53 EF-02 DW3.68 EF-02 SWND EF-04DWND EF-04SWND S-01ND S-02ND S-03ND S-04ND S-07ND S-08ND S-18ND S-21ND SW-011.12 SW-023.83 WAB-01ND WDC-01ND WDC-02ND WDC-03ND WDC-04ND WDC-05ND WDC-06ND WF-02 DW3.2 WF-02SWND WF-04 DWNDWF-04 SWND FIGURE 14-50GROUNDWATER CONCENTRATION TREND ANALYSISCOBALT IN SURFACE WATERROXBORO STEAM ELECTRIC PLANTDUKE ENERGY PROGRESS, LLCSEMORA, NORTH CAROLINADRAWN BY: J. ROBERTSPROJECT MANAGER: C. EADYCHECKED BY: C. EADY DATE: 10/28/2017 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Roxboro\Map_Docs\CSA_Supplement_2\Roxboro - Concentrations Over TIme Maps Seeps2.mxd GRAPHIC SCALE NOTES:COBALT CONCENTRATION IS MEASURED IN ug/L AND THE IMAC STANDARD IS 1ug/L. ND = NON-DETECT THE DETERMINATION OF CONCENTRATION TRENDS OVER TIME AREGENERALIZED BASED ON AVAILABLE DATA AND WERE NOT STATISTICALLYDETERMINED. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY PROGRESS. JUNE, 2016 AERIAL PHOTOGRAPHY OBTAINED FROM USDA NRCS GEOSPATIALDATA GATEWAY (https://gdg.sc.egov.usda.gov.GDGOrder.aspx). DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83/2011). 0 550 1,100 1,650 2,200275 Feet LCID LANDFILL INDUSTRIAL LANDFILL DUKE ENERGY ROXBORO PLANT SITE BOUNDARY <STREAM ASH BASIN ASH BASIN COMPLIANCE LANDFILL AREA LEGEND INCREASING CONCENTRATION OVER TIME UNKNOWN CONCENTRATION OVER TIME DECREASING CONCENTRATION OVER TIME STABLE CONCENTRATION OVER TIME 1 1 1 1 !(AOW SAMPLE <<<<<<<<<<<<<&<&< &<&< &<&<&< &<&< &< &< &<&< &<&< &< &< &<&< &<&< &< &< &<&<&< &< &<&< &<&< &<&<&< &<&< &< &< &< &< &< &<&< &< &< &<&< &< &< &< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &<&< &<&< &< &< &< &< &< &< &< &< &< EAST ASH BASIN WEST ASHBASIN HEATED WATERDISCHARGE POND HYCOLAKE GYPSUMSTORAGE AREA HYCOLAKE ROXBORO PLANT FGD PONDS BIO REACTOR SUBSTATION WAB EXTENSION IMPOUNDMENT COOLING WATER INTAKE BASIN EABEXTENSION IMPOUNDMENT SHORE RDSTATE RD 1316 D U N N AW A Y R D STATE RD 1377 STATE HWY 57SEMORA RD STATE RD 1336MCGHEES MILL RDABMW-1BR1580 ABMW-321300 ABMW-4BR9400 ABMW-5D30200 ABMW-6BR129 ABMW-7BRL243 BG-1202 CW-31610 GMW-712 GMW-885 GMW-923 GPMW-1BR194 GPMW-1D16 GPMW-2BR79 GPMW-2BR72 GPMW-2D74100 GPMW-3BRND GPMW-3D825 MW-14BR1230 MW-18D163 MW-19BRL4520 MW-1BR172 MW-23BRR388 MW-27BR104 MW-28BR119 MW-29BR43 MW-30BR1260 MW-31BR108 MW-32BR180 MW-33BR32 MW-4BR113 MW-6BR419 ABMW-63390 ABMW-7ND GPMW-1S40 ABMW-230200 MW-25BR1340 MW-26BR1280 MW-2BR24500 MW-5BR725 MW-8BR2360 ABMW-53810 ABMW-112 ABMW-7BR168CW-2DND CW-3D45 GMW-632 MW-13BR493 MW-16BR46 ABMW-2BR750 ABMW-3BR5540 ABMW-3BRL822 ABMW-455800 BG-1BR117 BG-1BRLR259 CW-1162 CW-273 CW-4ND CW-5ND GMW-1018 GMW-1162 MW-10BRND MW-11BRND MW-12BR3300 MW-15BR806 MW-15D16 MW-17BR332 MW-18BR1200 MW-20BRL169 MW-22BR1400MW-22D42 MW-24BRND MW-3BR30 MW-5D95MW-6D13 MW-7BR136 MW-9BR274 BG-2BR116 MW-11D2190 FIGURE 14-51GROUNDWATER CONCENTRATION TREND ANALYSIS IRON IN ALL FLOW LAYERSROXBORO STEAM ELECTRIC PLANTDUKE ENERGY PROGRESS, LLCSEMORA, NORTH CAROLINADRAWN BY: J. ROBERTSPROJECT MANAGER: C. EADYCHECKED BY: C. EADY DATE: 10/28/2017 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Roxboro\Map_Docs\CSA_Supplement_2\Roxboro - Concentrations Over TIme Maps.mxd GRAPHIC SCALE NOTES:IRON CONCENTRATION IS MEASURED IN ug/L AND THE NCAC STANDARD IS 300ug/L. ND = NON-DETECT THE DETERMINATION OF CONCENTRATION TRENDS OVER TIME AREGENERALIZED BASED ON AVAILABLE DATA AND WERE NOT STATISTICALLYDETERMINED. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY PROGRESS. JUNE, 2016 AERIAL PHOTOGRAPHY OBTAINED FROM USDA NRCS GEOSPATIALDATA GATEWAY (https://gdg.sc.egov.usda.gov.GDGOrder.aspx). DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83/2011). 0 550 1,100 1,650 2,200275 Feet LCID LANDFILL INDUSTRIAL LANDFILL <STREAM &<MONITORING WELL LEGEND INCREASING CONCENTRATION OVER TIME UNKNOWN CONCENTRATION OVER TIME DECREASING CONCENTRATION OVER TIME STABLE CONCENTRATION OVER TIME 1 1 1 1 LANDFILL AREA DUKE ENERGY PROGRESS ROXBORO PLANT SITEBOUNDARY ASH BASIN WASTE BOUNDARY ASH BASIN COMPLIANCE BOUNDARY !(!( !(!( !(!( !(!(!( !( !( !( !( !( !( !( !(!( !(!( !(!(!(!(!(!( !( !( !( !( !( !( !( !( !( !( !( !( !( !( !( !( !( !(!( !(!(<<<<<<<<<<<<<EABEXTENSION IMPOUNDMENT COOLING WATER INTAKE BASIN WAB EXTENSION IMPOUNDMENT SUBSTATION BIO REACTOR FGD PONDS ROXBORO PLANT HYCOLAKE GYPSUMSTORAGE AREA HYCOLAKE HEATED WATERDISCHARGE POND WEST ASHBASIN EASTASH BASIN SHORE RDSTATE RD 1316 DUNNAWAY RD S T A T E R D 1 3 7 7 STATE H W Y 5 7 SEMORA RD STATE RD 1336MCGHEES MILL RDS-038470 S-0414700 S-141260 SW-041610 SW-034560 S-019550S-0819100 S-13801 S-1887 SW-05329 WAB-01158 CF-02 DW13200 CF-02 SW128 CF-04 DW6570 CF-04 SW241 CL-02428 CL-02S247 CL-05480 CL-05S241 CL-07244 CV-02240 EAB-0197 EDC-01339 EDC-0218 EDC-03155 EDC-04526 EDC-051290 EF-02 DW6080 EF-02 SW137 EF-04 DW444 EF-04 SW181 S-0219500 S-071760 S-091260 S-211840 SW-01554 SW-022130 WDC-01306 WDC-02348 WDC-03489 WDC-04515 WDC-05499 WDC-06491 WF-02 DW13400 WF-02 SW163 WF-04 DW288WF-04 SW243 FIGURE 14-52GROUNDWATER CONCENTRATION TREND ANALYSISIRON IN SURFACE WATERROXBORO STEAM ELECTRIC PLANTDUKE ENERGY PROGRESS, LLCSEMORA, NORTH CAROLINADRAWN BY: J. ROBERTSPROJECT MANAGER: C. EADYCHECKED BY: C. EADY DATE: 10/28/2017 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Roxboro\Map_Docs\CSA_Supplement_2\Roxboro - Concentrations Over TIme Maps Seeps2.mxd GRAPHIC SCALE NOTES:IRON CONCENTRATION IS MEASURED IN ug/L AND THE NCAC 2L STANDARD IS 300ug/L. ND = NON-DETECT THE DETERMINATION OF CONCENTRATION TRENDS OVER TIME AREGENERALIZED BASED ON AVAILABLE DATA AND WERE NOT STATISTICALLYDETERMINED. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY PROGRESS. JUNE, 2016 AERIAL PHOTOGRAPHY OBTAINED FROM USDA NRCS GEOSPATIALDATA GATEWAY (https://gdg.sc.egov.usda.gov.GDGOrder.aspx). DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83/2011). 0 550 1,100 1,650 2,200275 Feet LCID LANDFILL INDUSTRIAL LANDFILL DUKE ENERGY ROXBORO PLANT SITE BOUNDARY <STREAM ASH BASIN ASH BASIN COMPLIANCE LANDFILL AREA LEGEND INCREASING CONCENTRATION OVER TIME UNKNOWN CONCENTRATION OVER TIME DECREASING CONCENTRATION OVER TIME STABLE CONCENTRATION OVER TIME 1 1 1 1 !(AOW SAMPLE <<<<<<<<<<<<<&<&< &<&< &<&<&< &<&< &< &< &<&< &<&< &< &< &<&< &<&< &< &< &<&<&< &< &<&< &<&< &<&<&< &<&< &< &< &< &< &< &<&< &< &< &<&< &< &< &< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &<&< &<&< &< &< &< &< &< &< &< &< &< EAST ASH BASIN WEST ASHBASIN HEATED WATERDISCHARGE POND HYCOLAKE GYPSUMSTORAGE AREA HYCOLAKE ROXBORO PLANT FGD PONDS BIO REACTOR SUBSTATION WAB EXTENSION IMPOUNDMENT COOLING WATER INTAKE BASIN EABEXTENSION IMPOUNDMENT SHORE RDSTATE RD 1316 D U N N AW A Y R D STATE RD 1377 STATE HWY 57SEMORA RD STATE RD 1336MCGHEES MILL RDABMW-1NDABMW-1BR966 ABMW-37100 ABMW-3BRL180 ABMW-4BR2420 ABMW-5D5990 ABMW-7BR531 ABMW-7BRL71 BG-1NDBG-1BR390 CW-2ND CW-2DND CW-37 CW-4ND CW-5ND GMW-7ND GMW-875 GMW-9ND GPMW-1BR176 GPMW-1D55 GPMW-2BR310 GPMW-2BR319 GPMW-2D5670 GPMW-3BR35 GPMW-3D1730 MW-12BR1050 MW-14BR291 MW-19BRL1040 MW-20BRL346 MW-23BRR68 MW-25BR588 MW-26BR564 MW-27BR241 MW-28BR163 MW-29BR67 MW-2BR1590 MW-30BR1110 MW-31BR534 MW-32BR95 MW-33BR6 MW-3BR33 MW-6BR84 MW-7BR128 MW-8BR795 ABMW-61120 ABMW-712 GPMW-1S4180 ABMW-21920 ABMW-49190 MW-4BR35 MW-5BR376 ABMW-51640 GMW-10ND GMW-11NDGMW-6NDMW-11BR44 MW-13BR189 MW-15DND MW-16BR69 MW-17BR285 MW-18D196 MW-1BR660 MW-5D22 MW-6DND MW-9BR108 ABMW-2BR1450 ABMW-3BR13900 ABMW-6BR930 BG-1BRLR252 CW-1100 CW-3D24 MW-10BR352 MW-15BR49 MW-18BR937 MW-22BR2030 MW-22D2160 MW-24BRND BG-2BR167 MW-11D1640 FIGURE 14-53GROUNDWATER CONCENTRATION TREND ANALYSIS MANGANESE IN ALL FLOW LAYERSROXBORO STEAM ELECTRIC PLANTDUKE ENERGY PROGRESS, LLCSEMORA, NORTH CAROLINADRAWN BY: J. ROBERTSPROJECT MANAGER: C. EADYCHECKED BY: C. EADY DATE: 10/28/2017 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Roxboro\Map_Docs\CSA_Supplement_2\Roxboro - Concentrations Over TIme Maps.mxd GRAPHIC SCALE NOTES:MANGANESE CONCENTRATION IS MEASURED IN ug/L AND THE NCAC STANDARD IS50 ug/L. ND = NON-DETECT THE DETERMINATION OF CONCENTRATION TRENDS OVER TIME AREGENERALIZED BASED ON AVAILABLE DATA AND WERE NOT STATISTICALLYDETERMINED. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY PROGRESS. JUNE, 2016 AERIAL PHOTOGRAPHY OBTAINED FROM USDA NRCS GEOSPATIALDATA GATEWAY (https://gdg.sc.egov.usda.gov.GDGOrder.aspx). DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83/2011). 0 550 1,100 1,650 2,200275 Feet LCID LANDFILL INDUSTRIAL LANDFILL <STREAM &<MONITORING WELL LEGEND INCREASING CONCENTRATION OVER TIME UNKNOWN CONCENTRATION OVER TIME DECREASING CONCENTRATION OVER TIME STABLE CONCENTRATION OVER TIME 1 1 1 1 LANDFILL AREA DUKE ENERGY PROGRESS ROXBORO PLANT SITEBOUNDARY ASH BASIN WASTE BOUNDARY ASH BASIN COMPLIANCE BOUNDARY !(!( !(!( !(!( !(!(!( !( !( !( !( !( !( !( !(!( !(!( !(!(!(!(!(!( !( !( !( !( !( !( !( !( !( !( !( !( !( !( !( !( !( !(!( !(!(<<<<<<<<<<<<<EABEXTENSION IMPOUNDMENT COOLING WATER INTAKE BASIN WAB EXTENSION IMPOUNDMENT SUBSTATION BIO REACTOR FGD PONDS ROXBORO PLANT HYCOLAKE GYPSUMSTORAGE AREA HYCOLAKE HEATED WATERDISCHARGE POND WEST ASHBASIN EASTASH BASIN SHORE RDSTATE RD 1316 DUNNAWAY RD S T A T E R D 1 3 7 7 STATE H W Y 5 7 SEMORA RD STATE RD 1336MCGHEES MILL RDEAB-01127 S-079240 S-09998 S-142420 SW-0462 S-0217700 S-0312900 S-047090SW-031260 SW-0538 S-016050 S-0811500 S-13423 WAB-01109 CF-02 DW2510 CF-02 SW45 CF-04 DW2610CF-04 SW53 CL-02390 CL-02S326 CL-05885 CL-05S323 CL-07336 CV-02322 EDC-01697 EDC-0233 EDC-0396 EDC-04310 EDC-051000 EF-02 DW2440 EF-02 SW45 EF-04 DW105 EF-04SW50 S-18135 S-214360 SW-01224 SW-02287 WDC-01115 WDC-02132 WDC-03173 WDC-04253 WDC-05306 WDC-06267 WF-02 DW4420 WF-02 SW53 WF-04 DW77WF-04 SW66 FIGURE 14-54GROUNDWATER CONCENTRATION TREND ANALYSISMANGANESE IN SURFACE WATERROXBORO STEAM ELECTRIC PLANTDUKE ENERGY PROGRESS, LLCSEMORA, NORTH CAROLINADRAWN BY: J. ROBERTSPROJECT MANAGER: C. EADYCHECKED BY: C. EADY DATE: 10/28/2017 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Roxboro\Map_Docs\CSA_Supplement_2\Roxboro - Concentrations Over TIme Maps Seeps2.mxd GRAPHIC SCALE NOTES:MANGANESE CONCENTRATION IS MEASURED IN ug/L AND THE NCAC 2L STANDARDIS 50 ug/L. ND = NON-DETECT THE DETERMINATION OF CONCENTRATION TRENDS OVER TIME AREGENERALIZED BASED ON AVAILABLE DATA AND WERE NOT STATISTICALLYDETERMINED. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY PROGRESS. JUNE, 2016 AERIAL PHOTOGRAPHY OBTAINED FROM USDA NRCS GEOSPATIALDATA GATEWAY (https://gdg.sc.egov.usda.gov.GDGOrder.aspx). DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83/2011). 0 550 1,100 1,650 2,200275 Feet LCID LANDFILL INDUSTRIAL LANDFILL DUKE ENERGY ROXBORO PLANT SITE BOUNDARY <STREAM ASH BASIN ASH BASIN COMPLIANCE LANDFILL AREA LEGEND INCREASING CONCENTRATION OVER TIME UNKNOWN CONCENTRATION OVER TIME DECREASING CONCENTRATION OVER TIME STABLE CONCENTRATION OVER TIME 1 1 1 1 !(AOW SAMPLE <<<<<<<<<<<<<&<&< &<&< &<&<&< &<&< &< &< &<&< &<&< &< &< &<&< &<&< &< &< &<&<&< &< &<&< &<&< &<&<&< &<&< &< &< &< &< &< &<&< &< &< &<&< &< &< &< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &<&< &<&< &< &< &< &< &< &< &< &< &< EAST ASH BASIN WEST ASHBASIN HEATED WATERDISCHARGE POND HYCOLAKE GYPSUMSTORAGE AREA HYCOLAKE ROXBORO PLANT FGD PONDS BIO REACTOR SUBSTATION WAB EXTENSION IMPOUNDMENT COOLING WATER INTAKE BASIN EABEXTENSION IMPOUNDMENT SHORE RDSTATE RD 1316 D U N N AW A Y R D STATE RD 1377 STATE HWY 57SEMORA RD STATE RD 1336MCGHEES MILL RDABMW-12420ABMW-1BR2.48 ABMW-2BR10.7 ABMW-3ND ABMW-3BRNDABMW-3BRL2.06 ABMW-4577 ABMW-6BR2.11 BG-1NDBG-1BR4.79 CW-1ND CW-2ND CW-2DND CW-3NDCW-3D3.84 CW-46.63 CW-5ND GMW-103.9 GMW-111.17 GMW-6ND GMW-7ND GMW-83.22 GMW-9ND GPMW-1BRND GPMW-1DND GPMW-2BRND GPMW-2BRND GPMW-2D1.71 GPMW-3BR2.67 GPMW-3DND MW-10BR14.1 MW-11BR2.61 MW-12BR1.49 MW-13BR1.51 MW-14BR1.42 MW-15DND MW-18BR4.32 MW-19BRL7.37 MW-1BRND MW-20BRL1.28 MW-22BR8.86 MW-22DND MW-23BRR3.08 MW-24BR4.93 MW-25BR1.49 MW-27BR1.78 MW-28BR9.82 MW-29BR1.82 MW-30BR6.11 MW-31BR1.16 MW-32BR4.66 MW-33BR11.4 MW-3BRND MW-4BR7.71 MW-6BR3.36 MW-6DND MW-7BR1.51 MW-8BR2.57 MW-9BR1.68 MW-11D2.65 GPMW-1S1.34 ABMW-5D23.4 ABMW-7BRL7.9 MW-26BR8.49 ABMW-51570 ABMW-71690 MW-2BRND MW-5BR1.23 MW-5D6.18 ABMW-652 ABMW-282.5 ABMW-4BR4.29 ABMW-7BR1.66 BG-1BRLR71.1 MW-15BR6.05 MW-16BR3.13 MW-17BR7 MW-18D3.39 BG-2BR4.36 FIGURE 14-55GROUNDWATER CONCENTRATION TREND ANALYSIS MOLYBDENUM IN ALL FLOW LAYERSROXBORO STEAM ELECTRIC PLANTDUKE ENERGY PROGRESS, LLCSEMORA, NORTH CAROLINADRAWN BY: J. ROBERTSPROJECT MANAGER: C. EADYCHECKED BY: C. EADY DATE: 10/28/2017 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Roxboro\Map_Docs\CSA_Supplement_2\Roxboro - Concentrations Over TIme Maps.mxd GRAPHIC SCALE NOTES:MOLYBDENUM CONCENTRATION IS MEASURED IN ug/L AND THE NCAC STANDARDIS NOT ESTABLISHED. ND = NON-DETECT THE DETERMINATION OF CONCENTRATION TRENDS OVER TIME AREGENERALIZED BASED ON AVAILABLE DATA AND WERE NOT STATISTICALLYDETERMINED. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY PROGRESS. JUNE, 2016 AERIAL PHOTOGRAPHY OBTAINED FROM USDA NRCS GEOSPATIALDATA GATEWAY (https://gdg.sc.egov.usda.gov.GDGOrder.aspx). DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83/2011). 0 550 1,100 1,650 2,200275 Feet LCID LANDFILL INDUSTRIAL LANDFILL <STREAM &<MONITORING WELL LEGEND INCREASING CONCENTRATION OVER TIME UNKNOWN CONCENTRATION OVER TIME DECREASING CONCENTRATION OVER TIME STABLE CONCENTRATION OVER TIME 1 1 1 1 LANDFILL AREA DUKE ENERGY PROGRESS ROXBORO PLANT SITEBOUNDARY ASH BASIN WASTE BOUNDARY ASH BASIN COMPLIANCE BOUNDARY !(!( !(!( !(!( !(!(!( !( !( !( !( !( !( !( !(!( !(!( !(!(!(!(!(!( !( !( !( !( !( !( !( !( !( !( !( !( !( !( !( !( !( !(!( !(!(<<<<<<<<<<<<<EABEXTENSION IMPOUNDMENT COOLING WATER INTAKE BASIN WAB EXTENSION IMPOUNDMENT SUBSTATION BIO REACTOR FGD PONDS ROXBORO PLANT HYCOLAKE GYPSUMSTORAGE AREA HYCOLAKE HEATED WATERDISCHARGE POND WEST ASHBASIN EASTASH BASIN SHORE RDSTATE RD 1316 DUNNAWAY RD S T A T E R D 1 3 7 7 STATE H W Y 5 7 SEMORA RD STATE RD 1336MCGHEES MILL RDS-0727.2 S-0841.7 S-0945.8 S-1350.1 S-1874.7SW-03ND SW-04ND SW-05ND WAB-0144.4 S-014.53 S-021.69 S-036.87 S-0423.6 S-1411.3 CF-02 DW44.2 CF-02 SW55.1 CF-04 DW56.7CF-04 SW52 CL-0279.6 CL-02S95.2 CL-0594.4 CL-05S87.5 CL-0795.6 CV-0289.2 EAB-016.59 EDC-0189.9 EDC-0251.7 EDC-0338 EDC-0429.8 EDC-0524.1 EF-02 DW52.4 EF-02 SW50.4 EF-04 DW47.3 EF-04 SW48.7 S-21ND SW-01ND SW-02ND WDC-0144.9 WDC-0244 WDC-0345.7 WDC-0445 WDC-0545 WDC-0645.8 WF-02 DW44.2 WF-02 SW51 WF-04 DW51.4WF-04 SW50.7 FIGURE 14-56GROUNDWATER CONCENTRATION TREND ANALYSISMOLYBDENUM IN SURFACE WATERROXBORO STEAM ELECTRIC PLANTDUKE ENERGY PROGRESS, LLCSEMORA, NORTH CAROLINADRAWN BY: J. ROBERTSPROJECT MANAGER: C. EADYCHECKED BY: C. EADY DATE: 10/28/2017 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Roxboro\Map_Docs\CSA_Supplement_2\Roxboro - Concentrations Over TIme Maps Seeps2.mxd GRAPHIC SCALE NOTES:MOLYBDENUM CONCENTRATION IS MEASURED IN ug/L AND THE NCAC 2LSTANDARD IS NOT ESTABLISHED. ND = NON-DETECT THE DETERMINATION OF CONCENTRATION TRENDS OVER TIME AREGENERALIZED BASED ON AVAILABLE DATA AND WERE NOT STATISTICALLYDETERMINED. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY PROGRESS. JUNE, 2016 AERIAL PHOTOGRAPHY OBTAINED FROM USDA NRCS GEOSPATIALDATA GATEWAY (https://gdg.sc.egov.usda.gov.GDGOrder.aspx). DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83/2011). 0 550 1,100 1,650 2,200275 Feet LCID LANDFILL INDUSTRIAL LANDFILL DUKE ENERGY ROXBORO PLANT SITE BOUNDARY <STREAM ASH BASIN ASH BASIN COMPLIANCE LANDFILL AREA LEGEND INCREASING CONCENTRATION OVER TIME UNKNOWN CONCENTRATION OVER TIME DECREASING CONCENTRATION OVER TIME STABLE CONCENTRATION OVER TIME 1 1 1 1 !(AOW SAMPLE <<<<<<<<<<<<<&<&< &<&< &<&<&< &<&< &< &< &<&< &<&< &< &< &<&< &<&< &< &< &<&<&< &< &<&< &<&< &<&<&< &<&< &< &< &< &< &< &<&< &< &< &<&< &< &< &< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &<&< &<&< &< &< &< &< &< &< &< &< EAST ASH BASIN WEST ASHBASIN HEATED WATERDISCHARGE POND HYCOLAKE GYPSUMSTORAGE AREA HYCOLAKE ROXBORO PLANT FGD PONDS BIO REACTOR SUBSTATION WAB EXTENSION IMPOUNDMENT COOLING WATER INTAKE BASIN EABEXTENSION IMPOUNDMENT SHORE RDSTATE RD 1316 D U N N AW A Y R D STATE RD 1377 STATE HWY 57SEMORA RD STATE RD 1336MCGHEES MILL RDABMW-19.9ABMW-1BR7 ABMW-33.2 ABMW-3BR5.5ABMW-3BRL7.2 ABMW-46.8 ABMW-4BR6.8 ABMW-5D7.5 ABMW-6BR6.9 ABMW-7BR7.2 ABMW-7BRL7.6 BG-16.5BG-1BR6.9 BG-1BRLR8.2 CW-16.3 CW-27 CW-2D6.8 CW-36.2CW-3D7.5 CW-46.9 CW-56.8 GMW-106 GMW-116.5GMW-66.6 GMW-76.8 GMW-86.5 GMW-96.2 GPMW-1BR6.8 GPMW-1D6.7 GPMW-2BR6.6 GPMW-2BR6.6 GPMW-2D6.7 GPMW-3BR7.4 GPMW-3D6.1 MW-19BRL7.4 MW-1BR6.7 MW-23BRR7 MW-24BR7.8 MW-25BR7.1 MW-26BR7.3 MW-27BR7.3 MW-28BR7.4 MW-29BR7.3 MW-2BR6.6 MW-30BR6.9 MW-31BR7 MW-32BR7.6 MW-33BR11.4 MW-3BR6.1 ABMW-57.5 ABMW-67.2 ABMW-79.5 GPMW-1S6.4 MW-22D5.4 ABMW-26.6 MW-10BR7 MW-11BR6.1 MW-12BR7.2 MW-13BR6.2 MW-14BR7.2 MW-15BR7.3 MW-15D6.6 MW-16BR7.2 MW-17BR7.3 MW-18BR7.9 MW-18D7 MW-20BRL7.6 MW-22BR6.5 MW-4BR7.8 MW-5BR7.6MW-5D6.9 MW-6BR7.6MW-6D6.5 MW-7BR7.3 MW-8BR7.3 MW-9BR6.6 ABMW-2BR7.9 BG-2BR7.5 FIGURE 14-57GROUNDWATER CONCENTRATION TREND ANALYSIS pH IN ALL FLOW LAYERSROXBORO STEAM ELECTRIC PLANTDUKE ENERGY PROGRESS, LLCSEMORA, NORTH CAROLINADRAWN BY: J. ROBERTSPROJECT MANAGER: C. EADYCHECKED BY: C. EADY DATE: 10/28/2017 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Roxboro\Map_Docs\CSA_Supplement_2\Roxboro - Concentrations Over TIme Maps.mxd GRAPHIC SCALE NOTES:pH CONCENTRATION IS MEASURED IN ug/L AND THE NCAC STANDARD IS A RANGEOF 6.5 - 8.5 S.U. ND = NON-DETECT THE DETERMINATION OF CONCENTRATION TRENDS OVER TIME AREGENERALIZED BASED ON AVAILABLE DATA AND WERE NOT STATISTICALLYDETERMINED. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY PROGRESS. JUNE, 2016 AERIAL PHOTOGRAPHY OBTAINED FROM USDA NRCS GEOSPATIALDATA GATEWAY (https://gdg.sc.egov.usda.gov.GDGOrder.aspx). DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83/2011). 0 550 1,100 1,650 2,200275 Feet LCID LANDFILL INDUSTRIAL LANDFILL <STREAM &<MONITORING WELL LEGEND INCREASING CONCENTRATION OVER TIME UNKNOWN CONCENTRATION OVER TIME DECREASING CONCENTRATION OVER TIME STABLE CONCENTRATION OVER TIME 1 1 1 1 LANDFILL AREA DUKE ENERGY PROGRESS ROXBORO PLANT SITEBOUNDARY ASH BASIN WASTE BOUNDARY ASH BASIN COMPLIANCE BOUNDARY !(!( !(!( !(!( !(!(!( !( !( !( !( !( !( !( !(!( !(!( !(!(!(!(!(!( !( !( !( !( !( !( !( !( !( !( !( !( !( !( !( !( !( !(!( !(!(<<<<<<<<<<<<<EABEXTENSION IMPOUNDMENT COOLING WATER INTAKE BASIN WAB EXTENSION IMPOUNDMENT SUBSTATION BIO REACTOR FGD PONDS ROXBORO PLANT HYCOLAKE GYPSUMSTORAGE AREA HYCOLAKE HEATED WATERDISCHARGE POND WEST ASHBASIN EASTASH BASIN SHORE RDSTATE RD 1316 DUNNAWAY RD S T A T E R D 1 3 7 7 STATE H W Y 5 7 SEMORA RD STATE RD 1336MCGHEES MILL RDEAB-017.8 S-017.2 S-026.43S-036.46 S-047.1 S-077.12 S-086.69 S-097.1 S-137.39 S-146.8 S-188SW-036.3 SW-047.4 SW-056.6 WAB-017.8 CF-02 DW7 CF-02 SW8 CF-04 DW6.9 CF-04 SW7.9 CL-027.25 CL-02S7.4 CL-057.1 CL-05S7.3 CL-077.4 CV-027.4 EDC-017 EDC-026.9 EDC-037.4 EDC-047.4 EDC-057.1 EF-02 DW6.9 EF-02 SW8.1 EF-04 DW7.5 EF-04 SW8 S-216.46 SW-016.51 SW-026.4 WDC-018.2 WDC-027.6 WDC-037.5 WDC-047.4 WDC-057.4 WDC-067.2 WF-02 DW7 WF-02 SW8.1 WF-04 DW7.8WF-04 SW8 FIGURE 14-58GROUNDWATER CONCENTRATION TREND ANALYSISpH IN SURFACE WATERROXBORO STEAM ELECTRIC PLANTDUKE ENERGY PROGRESS, LLCSEMORA, NORTH CAROLINADRAWN BY: J. ROBERTSPROJECT MANAGER: C. EADYCHECKED BY: C. EADY DATE: 10/28/2017 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Roxboro\Map_Docs\CSA_Supplement_2\Roxboro - Concentrations Over TIme Maps Seeps2.mxd GRAPHIC SCALE NOTES:pH CONCENTRATION IS MEASURED IN ug/L AND THE NCAC 2L STANDARD IS ARANGE OF 6.5 - 8.5 S.U. ND = NON-DETECT THE DETERMINATION OF CONCENTRATION TRENDS OVER TIME AREGENERALIZED BASED ON AVAILABLE DATA AND WERE NOT STATISTICALLYDETERMINED. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY PROGRESS. JUNE, 2016 AERIAL PHOTOGRAPHY OBTAINED FROM USDA NRCS GEOSPATIALDATA GATEWAY (https://gdg.sc.egov.usda.gov.GDGOrder.aspx). DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83/2011). 0 550 1,100 1,650 2,200275 Feet LCID LANDFILL INDUSTRIAL LANDFILL DUKE ENERGY ROXBORO PLANT SITE BOUNDARY <STREAM ASH BASIN ASH BASIN COMPLIANCE LANDFILL AREA LEGEND INCREASING CONCENTRATION OVER TIME UNKNOWN CONCENTRATION OVER TIME DECREASING CONCENTRATION OVER TIME STABLE CONCENTRATION OVER TIME 1 1 1 1 !(AOW SAMPLE <<<<<<<<<<<<<&<&< &<&< &<&<&< &<&< &< &< &<&< &< &< &<&< &<&< &< &< &<&<&< &< &<&< &<&< &<&<&< &<&< &< &< &< &< &< &<&< &< &< &<&< &< &< &< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &<&< &<&< &< &< &< &<&< &< &< &< &< &< &< EAST ASH BASIN WEST ASHBASIN HEATED WATERDISCHARGE POND HYCOLAKE GYPSUMSTORAGE AREA HYCOLAKE ROXBORO PLANT FGD PONDS BIO REACTOR SUBSTATION WAB EXTENSION IMPOUNDMENT COOLING WATER INTAKE BASIN EABEXTENSION IMPOUNDMENT SHORE RDSTATE RD 1316 D U N N AW A Y R D STATE RD 1377 STATE HWY 57 SEMORA R D STATE RD 1336MCGHEES MILL RDABMW-15.74ABMW-1BRND ABMW-2ND ABMW-2BRND ABMW-3ND ABMW-3BRNDABMW-3BRLND ABMW-4ND ABMW-4BRND ABMW-5DND ABMW-6BRND BG-1NDBG-1BRND BG-1BRLR3.99 CW-11.77 CW-2ND CW-2DND CW-3NDCW-3DND CW-4ND CW-5ND GMW-10NDGMW-672.9 GMW-78.36 GMW-8ND GMW-9ND GPMW-1BR1.22 GPMW-1D3.88 GPMW-2BR1.25 GPMW-2BR1.19 GPMW-2DND GPMW-3BRND GPMW-3D29.5 MW-10BRND MW-11BRND MW-12BRND MW-13BRND MW-14BRND MW-15BRND MW-15DND MW-16BRND MW-17BRND MW-18BRND MW-18DND MW-19BRND MW-1BR3.07 MW-20BRLND MW-22BRND MW-23BRRND MW-24BRND MW-25BRND MW-26BRND MW-27BRND MW-28BRND MW-29BRND MW-2BRND MW-30BRND MW-31BRND MW-32BRND MW-33BRND MW-3BR3.3 MW-4BRND MW-5BRNDMW-5DND MW-6BRND MW-6DND MW-7BRND MW-8BRND MW-9BRND ABMW-7BRND ABMW-7BRLND ABMW-5ND ABMW-6ND ABMW-7ND MW-11DND GPMW-1SND GMW-11108 MW-22D92.9 BG-2BRND FIGURE 14-59GROUNDWATER CONCENTRATION TREND ANALYSIS SELENIUM IN ALL FLOW LAYERSROXBORO STEAM ELECTRIC PLANTDUKE ENERGY PROGRESS, LLCSEMORA, NORTH CAROLINADRAWN BY: J. ROBERTSPROJECT MANAGER: C. EADYCHECKED BY: C. EADY DATE: 10/28/2017 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Roxboro\Map_Docs\CSA_Supplement_2\Roxboro - Concentrations Over TIme Maps.mxd GRAPHIC SCALE NOTES:SELENIUM CONCENTRATION IS MEASURED IN ug/L AND THE NCAC STANDARD IS 20mg/L. ND = NON-DETECT THE DETERMINATION OF CONCENTRATION TRENDS OVER TIME AREGENERALIZED BASED ON AVAILABLE DATA AND WERE NOT STATISTICALLYDETERMINED. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY PROGRESS. JUNE, 2016 AERIAL PHOTOGRAPHY OBTAINED FROM USDA NRCS GEOSPATIALDATA GATEWAY (https://gdg.sc.egov.usda.gov.GDGOrder.aspx). DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83/2011). 0 550 1,100 1,650 2,200275 Feet LCID LANDFILL INDUSTRIAL LANDFILL <STREAM &<MONITORING WELL LEGEND INCREASING CONCENTRATION OVER TIME UNKNOWN CONCENTRATION OVER TIME DECREASING CONCENTRATION OVER TIME STABLE CONCENTRATION OVER TIME 1 1 1 1 LANDFILL AREA DUKE ENERGY PROGRESS ROXBORO PLANT SITEBOUNDARY ASH BASIN WASTE BOUNDARY ASH BASIN COMPLIANCE BOUNDARY !(!( !(!( !(!( !(!(!( !( !( !( !( !( !( !( !(!( !(!( !(!(!(!(!(!( !( !( !( !( !( !( !( !( !( !( !( !( !( !( !( !( !( !(!( !(!(<<<<<<<<<<<<<EABEXTENSION IMPOUNDMENT COOLING WATER INTAKE BASIN WAB EXTENSION IMPOUNDMENT SUBSTATION BIO REACTOR FGD PONDS ROXBORO PLANT HYCOLAKE GYPSUMSTORAGE AREA HYCOLAKE HEATED WATERDISCHARGE POND WEST ASHBASIN EASTASH BASIN SHORE RDSTATE RD 1316 DUNNAWAY RD S T A T E R D 1 3 7 7 STATE H W Y 5 7 SEMORA RD STATE RD 1336MCGHEES MILL RDS-01ND S-02ND S-03ND S-04ND S-07ND S-08ND S-09ND S-13ND S-14ND S-18NDSW-03ND SW-04ND SW-05ND EAB-01ND WAB-011.75 CF-02 DW1.77 CF-02 SW1.82 CF-04 DW1.42 CF-04 SW1.7 CL-021.09 CL-02S1.01 CL-051.27 CL-05S1.06 CL-071.3 CV-021.1 EDC-01ND EDC-021.86 EDC-032.69 EDC-042.48 EDC-052.13 EF-02 DW1.5 EF-02 SW1.81 EF-04 DW1.8 EF-04 SW1.76 S-21ND SW-01ND SW-02ND WDC-011.69 WDC-021.52 WDC-031.52 WDC-041.6 WDC-051.64 WDC-062.55 WF-02 DW1.56 WF-02 SW1.88 WF-04 DW1.97WF-04 SW1.92 FIGURE 14-60GROUNDWATER CONCENTRATION TREND ANALYSISSELENIUM IN SURFACE WATERROXBORO STEAM ELECTRIC PLANTDUKE ENERGY PROGRESS, LLCSEMORA, NORTH CAROLINADRAWN BY: J. ROBERTSPROJECT MANAGER: C. EADYCHECKED BY: C. EADY DATE: 10/28/2017 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Roxboro\Map_Docs\CSA_Supplement_2\Roxboro - Concentrations Over TIme Maps Seeps2.mxd GRAPHIC SCALE NOTES:SELENIUM CONCENTRATION IS MEASURED IN ug/L AND THE NCAC 2L STANDARD IS20 mg/L. ND = NON-DETECT THE DETERMINATION OF CONCENTRATION TRENDS OVER TIME AREGENERALIZED BASED ON AVAILABLE DATA AND WERE NOT STATISTICALLYDETERMINED. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY PROGRESS. JUNE, 2016 AERIAL PHOTOGRAPHY OBTAINED FROM USDA NRCS GEOSPATIALDATA GATEWAY (https://gdg.sc.egov.usda.gov.GDGOrder.aspx). DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83/2011). 0 550 1,100 1,650 2,200275 Feet LCID LANDFILL INDUSTRIAL LANDFILL DUKE ENERGY ROXBORO PLANT SITE BOUNDARY <STREAM ASH BASIN ASH BASIN COMPLIANCE LANDFILL AREA LEGEND INCREASING CONCENTRATION OVER TIME UNKNOWN CONCENTRATION OVER TIME DECREASING CONCENTRATION OVER TIME STABLE CONCENTRATION OVER TIME 1 1 1 1 !(AOW SAMPLE <<<<<<<<<<<<<&<&< &<&< &<&<&< &<&< &< &< &<&< &<&< &< &< &<&< &<&< &< &< &<&<&< &< &<&< &<&< &<&<&< &<&< &< &< &< &< &< &<&< &< &< &<&< &< &< &< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &<&< &<&< &< &< &< &< &< &< &< &< &< EAST ASH BASIN WEST ASHBASIN HEATED WATERDISCHARGE POND HYCOLAKE GYPSUMSTORAGE AREA HYCOLAKE ROXBORO PLANT FGD PONDS BIO REACTOR SUBSTATION WAB EXTENSION IMPOUNDMENT COOLING WATER INTAKE BASIN EABEXTENSION IMPOUNDMENT SHORE RDSTATE RD 1316 D U N N AW A Y R D STATE RD 1377 STATE HWY 57SEMORA RD STATE RD 1336MCGHEES MILL RDABMW-12120ABMW-1BR178 ABMW-31360 ABMW-3BR1860ABMW-3BRL818 ABMW-49390 ABMW-4BR190 ABMW-5D419 ABMW-6BR208 ABMW-7BR236 ABMW-7BRL734 BG-1448BG-1BR179 BG-1BRLR819 CW-2367 CW-2D327 CW-3D271 CW-4199 CW-5306 GMW-11482 GMW-6999 GMW-7589 GPMW-1BR1130 GPMW-1D1470 GPMW-2BR1270 GPMW-2BR1300 GPMW-2D872 GPMW-3BR869 GPMW-3D1680 MW-10BR169 MW-11BR185 MW-12BR223 MW-13BR424 MW-14BR164 MW-15BR136 MW-16BR172 MW-17BR892 MW-18BR249 MW-18D665 MW-19BRL228 MW-1BR508 MW-20BRL184 MW-22BR574 MW-22D1230 MW-23BRR170 MW-25BR1860 MW-26BR261 MW-27BR253 MW-28BR278 MW-29BR147 MW-2BR607 MW-30BR288 MW-31BR316 MW-32BR602 MW-33BR590 MW-6BR157 MW-6D189 MW-7BR132 MW-8BR222 MW-9BR165 ABMW-54050 GPMW-1S2260 CW-1367 GMW-10127 MW-4BR272 MW-5BR319 ABMW-75470 ABMW-2978 GMW-81060 GMW-986 MW-5D379 ABMW-2BR568 CW-3205 MW-15D239 MW-24BRND MW-3BR1520 ABMW-69670 BG-2BR268 MW-11D348 FIGURE 14-61GROUNDWATER CONCENTRATION TREND ANALYSIS STRONTIUM IN ALL FLOW LAYERSROXBORO STEAM ELECTRIC PLANTDUKE ENERGY PROGRESS, LLCSEMORA, NORTH CAROLINADRAWN BY: J. ROBERTSPROJECT MANAGER: C. EADYCHECKED BY: C. EADY DATE: 10/28/2017 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Roxboro\Map_Docs\CSA_Supplement_2\Roxboro - Concentrations Over TIme Maps.mxd GRAPHIC SCALE NOTES:STRONTIUM CONCENTRATION IS MEASURED IN ug/L AND THE NCAC STANDARD ISNOT ESTABLISHED. ND = NON-DETECT THE DETERMINATION OF CONCENTRATION TRENDS OVER TIME AREGENERALIZED BASED ON AVAILABLE DATA AND WERE NOT STATISTICALLYDETERMINED. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY PROGRESS. JUNE, 2016 AERIAL PHOTOGRAPHY OBTAINED FROM USDA NRCS GEOSPATIALDATA GATEWAY (https://gdg.sc.egov.usda.gov.GDGOrder.aspx). DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83/2011). 0 550 1,100 1,650 2,200275 Feet LCID LANDFILL INDUSTRIAL LANDFILL <STREAM &<MONITORING WELL LEGEND INCREASING CONCENTRATION OVER TIME UNKNOWN CONCENTRATION OVER TIME DECREASING CONCENTRATION OVER TIME STABLE CONCENTRATION OVER TIME 1 1 1 1 LANDFILL AREA DUKE ENERGY PROGRESS ROXBORO PLANT SITEBOUNDARY ASH BASIN WASTE BOUNDARY ASH BASIN COMPLIANCE BOUNDARY !(!( !(!( !(!( !(!(!( !( !( !( !( !( !( !( !(!( !(!( !(!(!(!(!(!( !( !( !( !( !( !( !( !( !( !( !( !( !( !( !( !( !( !(!( !(!(<<<<<<<<<<<<<EABEXTENSION IMPOUNDMENT COOLING WATER INTAKE BASIN WAB EXTENSION IMPOUNDMENT SUBSTATION BIO REACTOR FGD PONDS ROXBORO PLANT HYCOLAKE GYPSUMSTORAGE AREA HYCOLAKE HEATED WATERDISCHARGE POND WEST ASHBASIN EASTASH BASIN SHORE RDSTATE RD 1316 DUNNAWAY RD S T A T E R D 1 3 7 7 STATE H W Y 5 7 SEMORA RD STATE RD 1336MCGHEES MILL RDS-09ND SW-0574 S-13ND S-14ND SW-03198 SW-0430 CF-02 DW271 CF-02 SW257 CF-04 DW280 CF-04 SW249 CL-02363 CL-02S356 CL-05463 CL-05S355 CL-07366 CV-02355 EAB-01ND EDC-01622 EDC-02511 EDC-03551 EDC-04469 EDC-05578 EF-02 DW277 EF-02 SW259 EF-04 DW236 EF-04 SW234 S-01ND S-02NDS-03ND S-04ND S-07ND S-08ND S-18ND S-21ND SW-01155 SW-02104 WAB-01ND WDC-01256 WDC-02257 WDC-03253 WDC-04259 WDC-05261 WDC-06282 WF-02 DW345 WF-02 SW258 WF-04 DW251 WF-04 SW252 FIGURE 14-62GROUNDWATER CONCENTRATION TREND ANALYSISSTRONTIUM IN SURFACE WATERROXBORO STEAM ELECTRIC PLANTDUKE ENERGY PROGRESS, LLCSEMORA, NORTH CAROLINADRAWN BY: J. ROBERTSPROJECT MANAGER: C. EADYCHECKED BY: C. EADY DATE: 10/28/2017 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Roxboro\Map_Docs\CSA_Supplement_2\Roxboro - Concentrations Over TIme Maps Seeps2.mxd GRAPHIC SCALE NOTES:STRONTIUM CONCENTRATION IS MEASURED IN ug/L AND THE NCAC 2L STANDARDIS NOT ESTABLISHED. ND = NON-DETECT THE DETERMINATION OF CONCENTRATION TRENDS OVER TIME AREGENERALIZED BASED ON AVAILABLE DATA AND WERE NOT STATISTICALLYDETERMINED. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY PROGRESS. JUNE, 2016 AERIAL PHOTOGRAPHY OBTAINED FROM USDA NRCS GEOSPATIALDATA GATEWAY (https://gdg.sc.egov.usda.gov.GDGOrder.aspx). DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83/2011). 0 550 1,100 1,650 2,200275 Feet LCID LANDFILL INDUSTRIAL LANDFILL DUKE ENERGY ROXBORO PLANT SITE BOUNDARY <STREAM ASH BASIN ASH BASIN COMPLIANCE LANDFILL AREA LEGEND INCREASING CONCENTRATION OVER TIME UNKNOWN CONCENTRATION OVER TIME DECREASING CONCENTRATION OVER TIME STABLE CONCENTRATION OVER TIME 1 1 1 1 !(AOW SAMPLE <<<<<<<<<<<<<&<&< &<&< &<&<&< &<&< &< &< &<&< &<&< &< &< &<&< &<&< &< &< &<&<&< &< &<&< &<&< &<&<&< &<&< &< &< &< &< &< &<&< &< &< &<&< &< &< &< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &<&< &<&< &< &< &< &< &< &< &< &< &< EAST ASH BASIN WEST ASHBASIN HEATED WATERDISCHARGE POND HYCOLAKE GYPSUMSTORAGE AREA HYCOLAKE ROXBORO PLANT FGD PONDS BIO REACTOR SUBSTATION WAB EXTENSION IMPOUNDMENT COOLING WATER INTAKE BASIN EABEXTENSION IMPOUNDMENT SHORE RDSTATE RD 1316 D U N N AW A Y R D STATE RD 1377 STATE HWY 57 SEMORA R D STATE RD 1336MCGHEES MILL RDABMW-1190 ABMW-1BR20 ABMW-3BR2700ABMW-3BRL500 ABMW-42100ABMW-6BR58 ABMW-7BR130 BG-118BG-1BR19 CW-1130 CW-3D32 CW-437 CW-5250 GMW-1030 GMW-6560 GMW-922 GPMW-1BR1000 GPMW-1D1100 GPMW-2BR1000 GPMW-2BR1000 GPMW-2D430 GPMW-3BR440 GPMW-3D1200 MW-10BR40 MW-11BR41 MW-12BR28 MW-13BR32 MW-14BR13 MW-15BR27 MW-15D28 MW-16BR25 MW-17BR35 MW-18BR5.8 MW-19BRL1.4 MW-1BR75 MW-20BRL10 MW-24BR68 MW-25BR94 MW-27BR210 MW-28BR42 MW-29BR19 MW-2BR47 MW-30BR64 MW-31BR30 MW-32BR410 MW-33BR71 MW-4BR34 MW-6BR14 MW-6D37 MW-7BR23 MW-8BR25 MW-9BR21 MW-11D33 GPMW-1S1000 ABMW-5D2.4 CW-2D140 GMW-8580 MW-22BR410 MW-3BR1400 MW-5BR290 ABMW-212 CW-335 MW-18D32 MW-26BR61 ABMW-2BR110 ABMW-3990 ABMW-4BR17 ABMW-7BRL350 BG-1BRLR390 CW-280 GMW-11460 GMW-7180 MW-22D840 MW-23BRR23 MW-5D400 ABMW-51200 ABMW-6240 ABMW-7500 BG-2BR21 FIGURE 14-63GROUNDWATER CONCENTRATION TREND ANALYSIS SULFATE IN ALL FLOW LAYERSROXBORO STEAM ELECTRIC PLANTDUKE ENERGY PROGRESS, LLCSEMORA, NORTH CAROLINADRAWN BY: J. ROBERTSPROJECT MANAGER: C. EADYCHECKED BY: C. EADY DATE: 10/28/2017 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Roxboro\Map_Docs\CSA_Supplement_2\Roxboro - Concentrations Over TIme Maps.mxd GRAPHIC SCALE NOTES:SULFATE CONCENTRATION IS MEASURED IN ug/L AND THE NCAC STANDARD IS 250mg/L. ND = NON-DETECT THE DETERMINATION OF CONCENTRATION TRENDS OVER TIME AREGENERALIZED BASED ON AVAILABLE DATA AND WERE NOT STATISTICALLYDETERMINED. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY PROGRESS. JUNE, 2016 AERIAL PHOTOGRAPHY OBTAINED FROM USDA NRCS GEOSPATIALDATA GATEWAY (https://gdg.sc.egov.usda.gov.GDGOrder.aspx). DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83/2011). 0 550 1,100 1,650 2,200275 Feet LCID LANDFILL INDUSTRIAL LANDFILL <STREAM &<MONITORING WELL LEGEND INCREASING CONCENTRATION OVER TIME UNKNOWN CONCENTRATION OVER TIME DECREASING CONCENTRATION OVER TIME STABLE CONCENTRATION OVER TIME 1 1 1 1 LANDFILL AREA DUKE ENERGY PROGRESS ROXBORO PLANT SITEBOUNDARY ASH BASIN WASTE BOUNDARY ASH BASIN COMPLIANCE BOUNDARY !(!( !(!( !(!( !(!(!( !( !( !( !( !( !( !( !(!( !(!( !(!(!(!(!(!( !( !( !( !( !( !( !( !( !( !( !( !( !( !( !( !( !( !(!( !(!(<<<<<<<<<<<<<EABEXTENSION IMPOUNDMENT COOLING WATER INTAKE BASIN WAB EXTENSION IMPOUNDMENT SUBSTATION BIO REACTOR FGD PONDS ROXBORO PLANT HYCOLAKE GYPSUMSTORAGE AREA HYCOLAKE HEATED WATERDISCHARGE POND WEST ASHBASIN EASTASH BASIN SHORE RDSTATE RD 1316 DUNNAWAY RD S T A T E R D 1 3 7 7 STATE H W Y 5 7 SEMORA RD STATE RD 1336MCGHEES MILL RDS-08830 S-1375 S-18650S-021500 S-031100 S-04670 S-07750 SW-0324 SW-043.2 SW-0519 S-011100 S-14370 WAB-0164 CF-02 DW17 CF-02 SW43 CF-04 DW33 CF-04SW40 CL-0262 CL-02S63 CL-0575 CL-05S63 CL-0762 CV-0263 EAB-0123 EDC-01100 EDC-0299 EDC-03130 EDC-04160 EDC-05120 EF-02DW31 EF-02 SW41 EF-04DW36 EF-04 SW38 S-0948 S-21150 SW-0124 SW-029.5 WDC-0145 WDC-0245 WDC-0346 WDC-0445 WDC-0546 WDC-0650 WF-02 DW21 WF-02 SW41 WF-04 DW41 WF-04SW41 FIGURE 14-64GROUNDWATER CONCENTRATION TREND ANALYSISSULFATE IN SURFACE WATERROXBORO STEAM ELECTRIC PLANTDUKE ENERGY PROGRESS, LLCSEMORA, NORTH CAROLINADRAWN BY: J. ROBERTSPROJECT MANAGER: C. EADYCHECKED BY: C. EADY DATE: 10/28/2017 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Roxboro\Map_Docs\CSA_Supplement_2\Roxboro - Concentrations Over TIme Maps Seeps2.mxd GRAPHIC SCALE NOTES:SULFATE CONCENTRATION IS MEASURED IN ug/L AND THE NCAC 2L STANDARD IS250 mg/L. ND = NON-DETECT THE DETERMINATION OF CONCENTRATION TRENDS OVER TIME AREGENERALIZED BASED ON AVAILABLE DATA AND WERE NOT STATISTICALLYDETERMINED. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY PROGRESS. JUNE, 2016 AERIAL PHOTOGRAPHY OBTAINED FROM USDA NRCS GEOSPATIALDATA GATEWAY (https://gdg.sc.egov.usda.gov.GDGOrder.aspx). DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83/2011). 0 550 1,100 1,650 2,200275 Feet LCID LANDFILL INDUSTRIAL LANDFILL DUKE ENERGY ROXBORO PLANT SITE BOUNDARY <STREAM ASH BASIN ASH BASIN COMPLIANCE LANDFILL AREA LEGEND INCREASING CONCENTRATION OVER TIME UNKNOWN CONCENTRATION OVER TIME DECREASING CONCENTRATION OVER TIME STABLE CONCENTRATION OVER TIME 1 1 1 1 !(AOW SAMPLE <<<<<<<<<<<<<&<&< &<&< &<&<&< &<&< &< &< &<&< &<&< &< &< &<&< &<&< &< &< &<&<&< &< &<&< &<&< &<&<&< &<&< &< &< &< &< &< &<&< &< &< &<&< &< &< &< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &<&< &<&< &< &< &< &< &< &< &< &< &< EAST ASH BASIN WEST ASHBASIN HEATED WATERDISCHARGE POND HYCOLAKE GYPSUMSTORAGE AREA HYCOLAKE ROXBORO PLANT FGD PONDS BIO REACTOR SUBSTATION WAB EXTENSION IMPOUNDMENT COOLING WATER INTAKE BASIN EABEXTENSION IMPOUNDMENT SHORE RDSTATE RD 1316 D U N N AW A Y R D STATE RD 1377 STATE HWY 57 SEMORA R D STATE RD 1336MCGHEES MILL RDABMW-1BR340 ABMW-2280 ABMW-2BR480 ABMW-31400 ABMW-3BR4200ABMW-3BRL920 ABMW-43700 ABMW-4BR270 ABMW-5D280 ABMW-6BR340 ABMW-7BR440 ABMW-7BRL570 BG-1340BG-1BR310 CW-1420 CW-2440 CW-2D440 CW-3240CW-3D340 CW-4360 GMW-10180 GMW-11900 GMW-61200 GMW-81600 GMW-9160 GPMW-1BR1700 GPMW-1D1800 GPMW-2BR2000 GPMW-2BR2000 GPMW-2D980 GPMW-3BR780 GPMW-3D1900 MW-10BR330 MW-11BR360 MW-12BR420 MW-13BR420 MW-14BR360 MW-15BR350 MW-15D410 MW-16BR290 MW-17BR410 MW-19BRL460 MW-1BR580 MW-20BRL250 MW-22BR910 MW-22D1500 MW-23BRR280 MW-24BR300 MW-25BR590 MW-26BR500 MW-27BR550 MW-28BR330 MW-29BR300 MW-2BR570 MW-30BR480 MW-31BR380 MW-32BR620 MW-33BR430 MW-3BR2400 MW-4BR270 MW-6BR250 MW-6D250 MW-7BR250 MW-8BR370 MW-9BR220 ABMW-52200 ABMW-6800 MW-11D320 GPMW-1S1700 GMW-7820 ABMW-7860 ABMW-1400 MW-5D700 BG-1BRLR1100 CW-5490 MW-18BR560 MW-18D750 MW-5BR560 BG-2BR320 FIGURE 14-65GROUNDWATER CONCENTRATION TREND ANALYSIS TOTAL DISSOLVED SOLIDS IN ALL FLOW LAYERS ROXBORO STEAM ELECTRIC PLANTDUKE ENERGY PROGRESS, LLCSEMORA, NORTH CAROLINADRAWN BY: J. ROBERTSPROJECT MANAGER: C. EADYCHECKED BY: C. EADY DATE: 10/28/2017 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Roxboro\Map_Docs\CSA_Supplement_2\Roxboro - Concentrations Over TIme Maps.mxd GRAPHIC SCALE NOTES:TOTAL DISSOLVED SOLIDS CONCENTRATION IS MEASURED IN ug/L AND THE NCACSTANDARD IS 500 mg/L. ND = NON-DETECT THE DETERMINATION OF CONCENTRATION TRENDS OVER TIME AREGENERALIZED BASED ON AVAILABLE DATA AND WERE NOT STATISTICALLYDETERMINED. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY PROGRESS. JUNE, 2016 AERIAL PHOTOGRAPHY OBTAINED FROM USDA NRCS GEOSPATIALDATA GATEWAY (https://gdg.sc.egov.usda.gov.GDGOrder.aspx). DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83/2011). 0 550 1,100 1,650 2,200275 Feet LCID LANDFILL INDUSTRIAL LANDFILL <STREAM &<MONITORING WELL LEGEND INCREASING CONCENTRATION OVER TIME UNKNOWN CONCENTRATION OVER TIME DECREASING CONCENTRATION OVER TIME STABLE CONCENTRATION OVER TIME 1 1 1 1 LANDFILL AREA DUKE ENERGY PROGRESS ROXBORO PLANT SITEBOUNDARY ASH BASIN WASTE BOUNDARY ASH BASIN COMPLIANCE BOUNDARY !(!( !(!( !(!( !(!(!( !( !( !( !( !( !( !( !(!( !(!( !(!(!(!(!(!( !( !( !( !( !( !( !( !( !( !( !( !( !( !( !( !( !( !(!( !(!(<<<<<<<<<<<<<EABEXTENSION IMPOUNDMENT COOLING WATER INTAKE BASIN WAB EXTENSION IMPOUNDMENT SUBSTATION BIO REACTOR FGD PONDS ROXBORO PLANT HYCOLAKE GYPSUMSTORAGE AREA HYCOLAKE HEATED WATERDISCHARGE POND WEST ASHBASIN EASTASH BASIN SHORE RDSTATE RD 1316 DUNNAWAY RD S T A T E R D 1 3 7 7 STATE H W Y 5 7 SEMORA RD STATE RD 1336MCGHEES MILL RDEAB-01130 S-041600 S-085100 S-13200 S-14660 S-181200 SW-0474 WAB-01300 S-022300 S-032000 S-09140 SW-05110 S-011600 S-073000 SW-03190 CF-02 DW190 CF-02 SW200 CF-04 DW200 CF-04 SW190 CL-02160 CL-02S160 CL-05190 CL-05S150 CL-07160 CV-02150 EDC-01260 EDC-02240 EDC-03310 EDC-04300 EDC-05380 EF-02 DW180 EF-02 SW180 EF-04 DW160EF-04 SW160 S-21450 SW-01190 SW-02120 WDC-01200 WDC-02180 WDC-03180 WDC-04200 WDC-05190 WDC-06230 WF-02 DW210 WF-02 SW170 WF-04 DW180WF-04 SW170 FIGURE 14-66GROUNDWATER CONCENTRATION TREND ANALYSISTOTAL DISSOLVED SOLIDS IN SURFACE WATERROXBORO STEAM ELECTRIC PLANTDUKE ENERGY PROGRESS, LLCSEMORA, NORTH CAROLINADRAWN BY: J. ROBERTSPROJECT MANAGER: C. EADYCHECKED BY: C. EADY DATE: 10/28/2017 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Roxboro\Map_Docs\CSA_Supplement_2\Roxboro - Concentrations Over TIme Maps Seeps2.mxd GRAPHIC SCALE NOTES:TOTAL DISSOLVED SOLIDS CONCENTRATION IS MEASURED IN ug/L AND THE NCAC2L STANDARD IS 500 mg/L. ND = NON-DETECT THE DETERMINATION OF CONCENTRATION TRENDS OVER TIME AREGENERALIZED BASED ON AVAILABLE DATA AND WERE NOT STATISTICALLYDETERMINED. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY PROGRESS. JUNE, 2016 AERIAL PHOTOGRAPHY OBTAINED FROM USDA NRCS GEOSPATIALDATA GATEWAY (https://gdg.sc.egov.usda.gov.GDGOrder.aspx). DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83/2011). 0 550 1,100 1,650 2,200275 Feet LCID LANDFILL INDUSTRIAL LANDFILL DUKE ENERGY ROXBORO PLANT SITE BOUNDARY <STREAM ASH BASIN ASH BASIN COMPLIANCE LANDFILL AREA LEGEND INCREASING CONCENTRATION OVER TIME UNKNOWN CONCENTRATION OVER TIME DECREASING CONCENTRATION OVER TIME STABLE CONCENTRATION OVER TIME 1 1 1 1 !(AOW SAMPLE <<<<<<<<<<<<<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< EAST ASH BASIN WEST ASHBASIN HEATED WATERDISCHARGE POND HYCOLAKE GYPSUMSTORAGE AREA HYCOLAKE ROXBORO PLANT FGD PONDS BIO REACTOR SUBSTATION WAB EXTENSION IMPOUNDMENT COOLING WATER INTAKE BASIN EABEXTENSION IMPOUNDMENT SHORE RDSTATE RD 1316 DUNNAWAY RD S T A T E R D 1 3 7 7 STATE HWY 57SEMORA RD STATE RD 1336MCGHEES MILL RDCW-050.00029ABMW-030.000462 MW-07BR0.000613 ABMW-070.000876 MW-33BR0.00108 GMW-110.00112 ABMW-03BR0.00181 ABMW-060.00197 MW-25BR0.00206 MW-31BR0.00243 CW-020.00269 ABMW-050.00367 MW-26BR0.004 ABMW-040.0296 MW-06BR0.000218 MW-09BR0.000218 MW-05D0.00025 MW-02BR0.000279 MW-06D0.00031 MW-08BR0.000405 BG-010.000444 ABMW-030.000462 ABMW-07BR0.000615 ABMW-02BR0.000633 MW-11BR0.000692 MW-15D0.000739 CW-03D0.000807 BG-01BR0.000871 ABMW-070.000876 ABMW-03BRL0.00089 MW-04BR0.000952 GPMW-03BR0.000998 MW-32BR0.00126 CW-02D0.00142 GPMW-01D0.0016 MW-29BR0.00185 ABMW-060.00197 GMW-060.00235 MW-22BR0.00236 MW-23BRR0.00258 CW-040.00269 MW-28BR0.00279 MW-27BR0.00285 GPMW-01BR0.00342 MW-05BR0.00349 MW-30BR0.00357 MW-18D0.00359 ABMW-050.00367 GPMW-02BR0.00465 MW-01BR0.00541 ABMW-040.0296 BG-01BRLR0.0385 MW-03BR0.0436 ABMW-01ND ABMW-05DND GMW-09ND GMW-10ND GPMW-02DND MW-13BRND MW-19BRLND ABMW-01BR0.0000712 ABMW-020.000129 GPMW-03D0.000132 BG-02BRND GPMW-01S0.000446 MW-24BR0.000983 ABMW-06BR0.000648 CW-030.00119 GMW-080.0194 MW-17BR0.000242 ABMW-07BRL0.000317 ABMW-04BR0.000491 MW-22D0.000962 GMW-070.00526 MW-18BR0.000231 MW-20BRL0.00035 MW-15BR0.000482 MW-10BR0.00308 CW-010.000155 FIGURE 14-67GROUNDWATER CONCENTRATION TREND ANALYSIS TOTAL URANIUM IN ALL FLOW LAYERSROXBORO STEAM ELECTRIC PLANTDUKE ENERGY PROGRESS, LLCSEMORA, NORTH CAROLINADRAWN BY: J. ROBERTSPROJECT MANAGER: C. EADYCHECKED BY: C. EADY DATE: 10/28/2017 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Roxboro\Map_Docs\CSA_Supplement_2\Roxboro - Concentrations Over TIme Maps.mxd GRAPHIC SCALE NOTES:TOTAL URANIUM CONCENTRATION IS MEASURED IN ug/L AND THE MCL STANDARDIS 0.03 ug/L. ND = NON-DETECT THE DETERMINATION OF CONCENTRATION TRENDS OVER TIME AREGENERALIZED BASED ON AVAILABLE DATA AND WERE NOT STATISTICALLYDETERMINED. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY PROGRESS. JUNE, 2016 AERIAL PHOTOGRAPHY OBTAINED FROM USDA NRCS GEOSPATIALDATA GATEWAY (https://gdg.sc.egov.usda.gov.GDGOrder.aspx). DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83/2011). 0 550 1,100 1,650 2,200275 Feet LCID LANDFILL INDUSTRIAL LANDFILL <STREAM &<MONITORING WELL LEGEND INCREASING CONCENTRATION OVER TIME UNKNOWN CONCENTRATION OVER TIME DECREASING CONCENTRATION OVER TIME STABLE CONCENTRATION OVER TIME 1 1 1 1 LANDFILL AREA DUKE ENERGY PROGRESS ROXBORO PLANT SITEBOUNDARY ASH BASIN WASTE BOUNDARY ASH BASIN COMPLIANCE BOUNDARY <<<<<<<<<<<<<&<&< &<&< &<&<&< &<&< &< &< &<&< &<&< &< &< &<&< &<&< &< &< &< &<&< &< &<&<&< &<&< &<&<&< &<&< &< &< &< &< &< &<&< &< &< &<&< &<&< &< &< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &<&< &<&< &< &< &< &< &< &< &< &< EASTASH BASIN WEST ASHBASIN HEATED WATERDISCHARGE POND HYCOLAKE GYPSUMSTORAGE AREA HYCOLAKE ROXBORO PLANT FGD PONDS BIO REACTOR SUBSTATION WAB EXTENSION IMPOUNDMENT COOLING WATER INTAKE BASIN EABEXTENSION IMPOUNDMENT SHORE RDSTATE RD 1316 D U N N AW A Y R D STATE RD 1377 STATE HWY 57 SEMORA R D STATE RD 1336MCGHEES MILL RDABMW-12.74 ABMW-1BR0.346 ABMW-34 ABMW-3BR2.79 ABMW-5D0.655 ABMW-6BR0.378 ABMW-7BR0.496 ABMW-7BRLND BG-117.3BG-1BR2.26 CW-121.4 CW-234.5 CW-2D14.1 CW-3D2.57 CW-42.21 CW-526.7 GMW-103.1 GMW-115.57GMW-64.39 GMW-76.58 GMW-81.78 GMW-93.93 GMW-93.81 GPMW-1BR2.4 GPMW-1D4.4 GPMW-2BR3.51 GPMW-2BR3.54 GPMW-2D1.06 GPMW-3BR0.982GPMW-3D1.81 MW-10BR2.9 MW-12BR0.424 MW-14BRND MW-15BRND MW-16BR2.93 MW-17BR0.373 MW-18BRND MW-18D0.983 MW-19BR0.433 MW-19BRL0.394 MW-1BR14.5 MW-20BRL0.318 MW-22D2.63 MW-23BRR1.12 MW-24BRND MW-25BRND MW-26BR0.392 MW-27BR0.603 MW-28BR2.01 MW-29BR1.24 MW-2BR0.341 MW-30BR0.3 MW-31BR2.08 MW-32BR0.7 MW-33BR10.4 MW-3BR14.6 MW-5BR0.309 MW-5D13 MW-6BR0.386 MW-6D6.24 MW-7BR5.44 MW-9BR2.96 ABMW-50.685 ABMW-62.2 GPMW-1S5.55 MW-13BR4.45 MW-15D9.37 ABMW-23.77 ABMW-2BR0.425 MW-22BR0.655 MW-4BR1.11 ABMW-3BRL0.486 ABMW-42.49 ABMW-4BR3.18 BG-1BRLR2.49 CW-35.85 MW-11BR5.29 MW-8BR1.02 ABMW-713.6 BG-2BR0.76 FIGURE 14-68GROUNDWATER CONCENTRATION TREND ANALYSIS VANADIUM IN ALL FLOW LAYERSROXBORO STEAM ELECTRIC PLANTDUKE ENERGY PROGRESS, LLC.SEMORA, NORTH CAROLINADRAWN BY: J. ROBERTSPROJECT MANAGER: C. EADYCHECKED BY: C. EADY DATE: 10/28/2017 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Roxboro\Map_Docs\CSA_Supplement_2\Roxboro - Concentrations Over TIme Maps.mxd GRAPHIC SCALE NOTES:VANADIUM CONCENTRATION IS MEASURED IN ug/L AND THE NCAC IMACSTANDARD IS 0.3 ug/L. ND = NON-DETECT THE DETERMINATION OF CONCENTRATION TRENDS OVER TIME AREGENERALIZED BASED ON AVAILABLE DATA AND WERE NOT STATISTICALLYDETERMINED. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY PROGRESS. JUNE, 2016 AERIAL PHOTOGRAPHY OBTAINED FROM USDA NRCS GEOSPATIALDATA GATEWAY (https://gdg.sc.egov.usda.gov.GDGOrder.aspx). DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83/2011). 0 550 1,100 1,650 2,200275 Feet LCID LANDFILL INDUSTRIAL LANDFILL <STREAM &<MONITORING WELL LEGEND INCREASING CONCENTRATION OVER TIME UNKNOWN CONCENTRATION OVER TIME DECREASING CONCENTRATION OVER TIME STABLE CONCENTRATION OVER TIME 1 1 1 1 LANDFILL AREA DUKE ENERGY PROGRESS ROXBORO PLANT SITEBOUNDARY ASH BASIN WASTE BOUNDARY ASH BASIN COMPLIANCE BOUNDARY !(!( !(!( !(!( !(!(!( !( !( !( !( !( !( !( !(!( !(!( !(!(!(!(!(!( !( !( !( !( !( !( !( !( !( !( !( !( !( !( !( !( !( !(!( !(!(<<<<<<<<<<<<<EAB EXTENSIONIMPOUNDMENT COOLING WATER INTAKE BASIN WAB EXTENSION IMPOUNDMENT SUBSTATION BIO REACTOR FGD PONDS ROXBORO PLANT HYCOLAKE GYPSUMSTORAGE AREA HYCOLAKE HEATED WATERDISCHARGE POND WEST ASHBASIN EASTASH BASIN SHORE RDSTATE RD 1316 DUNNAWAY RD S T A T E R D 1 3 7 7 STAT E H W Y 5 7 SEMORA RD STATE RD 1336MCGHEES MILL RDS-09ND S-14ND S-13ND SW-036.03 SW-051.4 SW-040.802 CF-02 DW20.9 CF-02 SW8.07 CF-04 DW12.2 CF-04 SW7.21 CL-021.35 CL-02S1.08 CL-051.36 CL-05S1 CL-071.15CV-021.01 EAB-01ND EDC-011.24 EDC-021.83 EDC-032 EDC-040.55 EDC-050.314 EF-02 DW12.6 EF-02 SW6.77 EF-04 DW5.98 EF-04 SW5.82 S-01ND S-02NDS-03ND S-04ND S-07ND S-08ND S-18ND S-21ND SW-012.18 SW-023.26 WAB-01ND WDC-012.61 WDC-022.84 WDC-033.61 WDC-043.64 WDC-053.32 WDC-064.39 WF-02 DW14.8 WF-02 SW7.19 WF-04 DW7.3 WF-04 SW6.94 FIGURE 14-69GROUNDWATER CONCENTRATION TREND ANALYSIS VANADIUM IN SURFACE WATERROXBORO STEAM ELECTRIC PLANTDUKE ENERGY PROGRESS, LLCSEMORA, NORTH CAROLINADRAWN BY: J. ROBERTSPROJECT MANAGER: C. EADYCHECKED BY: C. EADY DATE: 10/28/2017 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Roxboro\Map_Docs\CSA_Supplement_2\Roxboro - Concentrations Over TIme Maps Seeps2.mxd GRAPHIC SCALE NOTES:VANADIUM CONCENTRATION IS MEASURED IN ug/L AND THE MCL STANDARD IS 0.3ug/L. ND = NON-DETECT THE DETERMINATION OF CONCENTRATION TRENDS OVER TIME AREGENERALIZED BASED ON AVAILABLE DATA AND WERE NOT STATISTICALLYDETERMINED. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY PROGRESS. JUNE, 2016 AERIAL PHOTOGRAPHY OBTAINED FROM USDA NRCS GEOSPATIALDATA GATEWAY (https://gdg.sc.egov.usda.gov.GDGOrder.aspx). DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83/2011). 0 550 1,100 1,650 2,200275 Feet LCID LANDFILL INDUSTRIAL LANDFILL DUKE ENERGY ROXBORO PLANT SITE BOUNDARY <STREAM ASH BASIN ASH BASIN COMPLIANCE LANDFILL AREA LEGEND INCREASING CONCENTRATION OVER TIME UNKNOWN CONCENTRATION OVER TIME DECREASING CONCENTRATION OVER TIME STABLE CONCENTRATION OVER TIME 1 1 1 1 !(AOW SAMPLE 10/27/2017 7:13 PMP:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\CSA Update Oct 2017\DWG\DE ROXBORO CSAUP BASE MAP.dwgDATE PRINTED:FILE PATH:EAB EXTENSION IMPOUNDMENTMW-21BRLPZ-12S-10S-11S-12S-09SD-06-OSEAST ASH BASIN SEPARATOR DIKE PZ-14LP-6ABMW-7BRLS-22S-23ELECTRICAL SUBSTATIONEASTERN EFFLUENT DISCHARGE CANALS-13S-18S-14RAILROAD TRACKSSOUTH LANDFILL PONDGYPSUM STORAGE AREAROXBORO STEAM ELECTRIC PLANT1700 DUNNAWAY RD.SEMORA, NORTH CAROLINAPROGRESSFIGURE 14-70COMPREHENSIVE SOILAND SEDIMENT DATAEAST ASH BASINDUKEENERGYFIG 14-70 (EAST SOIL-SED)ALEX LEFITZJOHN CHASTAIN/ C. NEWELLPROJECT MANAGER:LAYOUT NAME:DRAWN BY:CHECKED BY:CRAIG EADYDATE:DATE:www.synterracorp.com148 River Street, Suite 220Greenville, South Carolina 29601864-421-999910/20/1710/20/17GRAPHIC SCALE4002001000200(IN FEET)WATER INTAKE BASININTAKE CANALCOOLING TOWER INTAKE BASINUNIT 3 COOLINGTOWER INTAKE PONDPLANT INTAKE PONDHEATED WATER DISCHARGE CANALMW-23BRMW-23BRRMW-20BRLMW-30BRMW-29BRMW-28BRSW-6MW-14DMW-14SMW-14BRMW-24BRMW-17BRMW-25BRCW-1MW-1BRMW-27BRMW-3BRGMW-11GMW-10MW-22BRMW-22BRLMW-22DGPMW-3BRGPMW-3DGPMW-2DGPMW-2BRGPMW-1DGPMW-1SGPMW-1BRGMW-6ABMW-7ABMW-7BRABMW-4BRABMW-4ABMW-5ABMW-5DABMW-6ABMW-6BRGMW-7GMW-8GMW-9MW-2BRMW-19BRLMW-16BRMW-13BRMW-10BRCW-5MW-5DMW-5BRMW-11DMW-11BRLP-5LP-4LP-3LP-2LP-1GMW-2GMW-2AGMW-1AGMW-1S-21HYCO LAKERO-02RO-08RO-11RO-03RO-12RO-15RO-13RO-07RO-04RO-16Mc G H E E S M I L L R O A D GUARD HOUSEPOWER HOUSECOAL STOCKPILECONTRACTOR TRAILERSEAST ASH BASIN MAIN DAMDUNNAWAY ROADDUNNAWAY ROADMcGHE E S M I L L R O A D Mc G H E E S M I L L R O A DRO2014-RAWRO-1015RO-1011RO-1017RO-1005RO-1012RO-1010ARO-1010RO-1013RO-1016RO-1018BGSB-14BGSB-112CL-7CL-5SCV-2CL-2SEDC-5EDC-4EDC-3EDC-2EDC-1CL-5CL-2EDC-1: pH = 7,Sb = 0.29 j, B = 34 j, Cr = 54,Co = 20, Fe = 55000, Mn = 1500, Mo = 45, Se = 4.6,Sr = 93, SO4 = 290, Tl = NA, V = 130.EDC-2: pH = 7,Sb = 0.21 j, B = 17 j, Cr = 28,Co = 18, Fe = 22000, Mn = 1500 B, Mo = 15, Se = 4.4,Sr = 58, SO4 = 73, Tl = NA, V = 67.EDC-3: pH = 6.8,Sb = 0.51, B = 19 j, Cr = 37,Co = 16, Fe = 40000, Mn = 640 B, Mo = 4.2, Se = <0.81,Sr = 53, SO4 = 140, Tl = NA, V = 100.EDC-5: pH = 6.1,Sb = 0.12 j, B = 11 j, Cr = 21,Co = 15, Fe = 29000, Mn = 380 B, Mo = 3, Se = 2.7,Sr = 31, SO4 = 300, Tl = NA, V = 92.CL-2: pH = 7.7 H6,Sb = <0.74, B = 4.9, Cr = 0.49,Co = <0.99, Fe = 93.1, Mn = 2.1, Mo = <0.49, Se = <0.99,Sr = 5, SO4 = <249 D3,M1, Tl = <0.99, V = 1.1.CL-4CL-4: pH = 7.9 H6,Sb = <3.8 N2, B = <4.5, Cr = 6,Co = 2.4, Fe = 5550, Mn = 57.2, Mo = 2.1, Se = 2.2,Sr = 9.1, SO4 = <467 D3, Tl = <1.9, V = 18.4.CL-7: pH = 7.5 H6,Sb = <2.7 N2, B = <3.4, Cr = 21.6,Co = 9.7, Fe = 26700, Mn = 387, Mo = 1.1, Se = 2.8,Sr = 31.2, SO4 = <342 D3, Tl = <1.3, V = 69.8.CL-6CL-6: pH = 7.8 H6,Sb = <2.8 N2, B = <3.5 M1, Cr = 14.7,Co = 9.2, Fe = 17700 M1, Mn = 124 M1, Mo = <0.71 M1, Se = <1.4,Sr = 32.5, SO4 = <365 D3, Tl = <1.4, V = 51.6.CV-2: pH = 7.2 H6,Sb = <0.72, B = 3.1, Cr = 6.6,Co = 5.3, Fe = 9400, Mn = 721, Mo = 8.1, Se = 3.3,Sr = 15.9, SO4 = <253 D3, Tl = <0.96, V = 23.3.CV-1CV-1: pH = 7.1 H6,Sb = <2.6 N2, B = <3.4, Cr = 3.6,Co = 2, Fe = 2920, Mn = 101, Mo = <0.67, Se = <1.3,Sr = 2.4, SO4 = <334 D3, Tl = <1.3, V = 8.5.MW-1BR (0-2): Surficial: pH = 7.1,Sb = <3.5, B = <3.5, Cr = 4.2,Co = 13.1, Fe = 14800, Mn = 289, Mo = <0.71, Se = <3.5,Sr = 20.3, SO4 = <339, Tl = <3.5, V = 58.8.MW-2BR (2-2.5): Surficial: pH = 6.8,Sb = <3.2, B = <16.2, Cr = 101,Co = 15.8, Fe = 18500, Mn = 545, Mo = <0.65, Se = <3.2,Sr = 27.5, SO4 = <321, Tl = <3.2, V = 123.MW-2BR (11-13): Surficial: pH = 8.3,Sb = <2.8, B = <2.8, Cr = 5.1,Co = 13.8, Fe = 18000, Mn = 225, Mo = <0.57, Se = <2.8,Sr = 15.1, SO4 = <274, Tl = <2.8, V = 88.9.MW-2BR (11-13): HFO = 137.3:KD: = Sb = 18, B = 1, Cr = 105, Co = 889, Se = 5, Tl = 13992.MW-03BR (0-2): Surficial: pH = 6.5,Sb = <5.9, B = 15.9, Cr = 13.8,Co = 13.5, Fe = 17200, Mn = 405, Mo = <2.9, Se = <5.9,Sr = 31.8, SO4 = 4920, Tl = <5.9, V = 60.5.MW-03BR (0-2): KD: =Sb = 12, B = 1, Cr = 225,Co = 2336, Se = 4, Tl = 1014.MW-03BR (21-23): Surficial: pH = 7.7,Sb = <5, B = <12.6, Cr = 46.6,Co = 12.5, Fe = 16100, Mn = 211, Mo = <2.5, Se = <5,Sr = 36.9, SO4 = <247, Tl = <5, V = 43.7.MW-5BR (5-6): Surficial: pH = 7.3,Sb = <2.6, B = <2.6, Cr = 32.9,Co = 16.6, Fe = 8690, Mn = 233, Mo = <0.53, Se = <2.6,Sr = 31.9, SO4 = <267, Tl = <2.6, V = 27.3.MW-5BR (1-2): Surficial: pH = 7.4,Sb = <2.8, B = <2.8, Cr = 5.2,Co = 11.7, Fe = 14400, Mn = 235, Mo = <0.56, Se = <2.8,Sr = 18.3, SO4 = 178 j, Tl = <2.8, V = 66.MW-5BR (9.5-11.5): Surficial: pH = 7.4,Sb = <3.2, B = 10.5, Cr = 3.8,Co = 8.8, Fe = 13400, Mn = 137, Mo = <0.63, Se = <3.2,Sr = 25, SO4 = <320, Tl = <3.2, V = 49.8.MW-5BR (15-17): Deep: HFO = 207.3:KD: = Sb = 19, B =IDNA, Cr = 276, Co = 744, Se = 5, Tl = 586.MW-10BR (0-2): Surficial: pH = 5.6,Sb = <7.2, B = <18, Cr = 10.7,Co = 5.6 j, Fe = 31400, Mn = 57.8, Mo = <3.6, Se = <7.2,Sr = 8.3, SO4 = <359, Tl = <7.2, V = 94.7.MW-11BR (18.75-19.5): Surficial: pH = 8.5,Sb = <1.4, B = 11.3, Cr = 13,Co = 12.6, Fe = 16600, Mn = 245, Mo = <0.68, Se = <1.4,Sr = 16.3, SO4 = <325, Tl = <1.4, V = 50.2.MW-11BR (1.5-2): Surficial: pH = 8.1,Sb = <1.3, B = 10.9, Cr = 15.7,Co = 17.4, Fe = 15500, Mn = 530, Mo = <0.64, Se = <1.3,Sr = 17.7, SO4 = <316, Tl = <1.3, V = 55.3.MW-13BR (22-24): Surficial: pH = 8,Sb = <1.2, B = 9.2, Cr = 8.7,Co = 8.1, Fe = 13100, Mn = 132, Mo = <0.6, Se = <1.2,Sr = 13.2, SO4 = <299, Tl = <1.2, V = 59.3.MW-13BR (0-2): Surficial: pH = 4.8,Sb = <1.3, B = 8.9, Cr = 4.2,Co = 1.9, Fe = 13200, Mn = 51.5, Mo = <0.65, Se = <1.3,Sr = 4.4, SO4 = <322, Tl = <1.3, V = 30.4.MW-14BR (1-1.25): Surficial: pH = 4.8,Sb = <1.2, B = <3.1, Cr = 4.1,Co = 5.3, Fe = 16100, Mn = 79.4, Mo = <0.62, Se = <1.2,Sr = 20.4, SO4 = <300, Tl = <1.2, V = 45.2.MW-14BR (31-31.5): Surficial: pH = 8.8,Sb = <1, B = <2.6, Cr = 9,Co = 8.6, Fe = 12600, Mn = 238, Mo = <0.51, Se = <1,Sr = 22.4, SO4 = <254, Tl = <1, V = 31.MW-14BR (37.5-38): Surficial: pH = 8,Sb = <1.1, B = <2.8, Cr = 54,Co = 15.8, Fe = 15200, Mn = 290, Mo = <0.55, Se = <1.1,Sr = 57.5, SO4 = <286, Tl = <1.1, V = 33.3.MW-16BR (36-38): Surficial: pH = 8.4,Sb = <6.2, B = <15.5, Cr = 2.5,Co = 5.8 j, Fe = 24600, Mn = 245, Mo = <3.1, Se = <6.2,Sr = 19.5, SO4 = <314, Tl = <6.2, V = 39.5.LCID LANDFILL(PERMIT NO. 73D-LCID)EAST ASH BASININDUSTRIAL LANDFILL(PERMIT NO. 7302-INDUS)LP-3AB-4AB-4 (50-52): Surficial: pH = 6.7,Sb = <5.9, B = 14.9, Cr = 15.9,Co = 33, Fe = 20100, Mn = 1240, Mo = <3, Se = <5.9,Sr = 11.3, SO4 = <301, Tl = <5.9, V = 95.2AB-4 (14-15): Ash Pore: pH = 7.6,Sb = <3.2, B = 36.9, Cr = 22.3,Co = 13.7, Fe = 4280, Mn = 37.3, Mo = 2, Se = 8.9,Sr = 191, SO4 = 2980, Tl = <3.2, V = 69.4.AB-4 (51-53): Ash Pore: pH = 7.2,Sb = <3.5, B = 32.4, Cr = 14.5,Co = 5.6, Fe = 7460, Mn = 43.3, Mo = 2.7, Se = 10.3,Sr = 81.1, SO4 = 817, Tl = <3.5, V = 32.9.AB-4 (52-53): Ash Pore: HFO = 225.9.AB-4 (56-58): Surficial: pH = 6.6,Sb = <7.5, B = 22.4, Cr = 24.9,Co = 28.1, Fe = 34000, Mn = 413, Mo = <3.7, Se = <7.5,Sr = 41.8, SO4 = <387, Tl = <7.5, V = 128.AB-6AB-6 (35-37): Ash Pore: pH = 7.9,Sb = <3.3, B = 6.4, Cr = 3,Co = 2.6 j, Fe = 2510, Mn = 7.5, Mo = 2.3, Se = 2.4 j,Sr = 22.8, SO4 = 360, Tl = <3.3, V = 8.5.AB-6 (3-5): Ash Pore: pH = 6.5,Sb = <3.7, B = 12.2, Cr = 18.8,Co = 13.2, Fe = 11500, Mn = 139, Mo = 7.1, Se = 4.3,Sr = 97.4, SO4 = <375, Tl = <3.7, V = 66.AB-6 (61-62): Surficial: pH = 7.5,Sb = <3, B = <3, Cr = 0.65,Co = 1.7 j, Fe = 7390, Mn = 136, Mo = <0.59, Se = <3,Sr = 8.8, SO4 = <298, Tl = <3, V = 6.1.AB-6 (56-58): Surficial: pH = 7.3,Sb = <3.8, B = 18.1, Cr = 15,Co = 8.7, Fe = 8000, Mn = 42.7, Mo = 16.9, Se = 11.3,Sr = 109, SO4 = 555, Tl = <3.8, V = 42.2.AB-6 (62-64): Surficial: pH = 8.4,Sb = <2.6, B = 5.9, Cr = 2.7,Co = 1.7 j, Fe = 6390, Mn = 130, Mo = 0.32 j, Se = <2.6,Sr = 10.3, SO4 = <264, Tl = <2.6, V = 5.9.AB-6 (65-67): Surficial: pH = 8.3,Sb = <2.5, B = 5.8, Cr = 10.6,Co = 5.1, Fe = 6780, Mn = 137, Mo = <0.51, Se = <2.5,Sr = 12.8, SO4 = <256, Tl = <2.5, V = 12.3.AB-5AB-5 (38-40): Ash Pore: pH = 7.8,Sb = <4.8, B = 6.4, Cr = 4.4,Co = 2.4 j, Fe = 3610, Mn = 28.4, Mo = 0.5 j, Se = <4.8,Sr = 59.3, SO4 = 249 j, Tl = <4.8, V = 12.AB-5 (3-5): Ash Pore: pH = 4,Sb = <2.9, B = <14.7, Cr = 18.1,Co = 20.9, Fe = 14700, Mn = 123, Mo = <0.59, Se = 5.4,Sr = 42.9, SO4 = 2550, Tl = <2.9, V = 59.5.AB-5 (42-47): Ash Pore: HFO = 344.8.AB-5 (72-77): Surficial: HFO = 248.8.AB-5 (58-60): Surficial: pH = 7.3,Sb = <3.7, B = <3.7, Cr = 18.5,Co = 13, Fe = 16000, Mn = 321, Mo = 0.68 j, Se = <3.7,Sr = 43.5, SO4 = 246 j, Tl = <3.7, V = 50.8.AB-5 (48-50): Ash Pore: pH = 7.2,Sb = <3.3, B = 25.5 j, Cr = 33.9,Co = 9, Fe = 11200, Mn = 92.6, Mo = 1.5, Se = 12.3,Sr = 152, SO4 = 391, Tl = 1.7 j, V = 60.6.AB-5 (68-70): Surficial: pH = 6.8,Sb = <3.3, B = <3.3, Cr = 4.2,Co = 5.7, Fe = 6570, Mn = 127, Mo = 0.74, Se = <3.3,Sr = 17.1, SO4 = 280 j, Tl = <3.3, V = 19.2.AB-7AB-7 (42-47): Ash Pore: HFO = 344.8.AB-7 (3-5): Ash Pore: pH = 6.7,Sb = <3.9, B = 32.6, Cr = 23.7,Co = 14, Fe = 7310, Mn = 51.8, Mo = 1.9, Se = 10.8,Sr = 123, SO4 = 575, Tl = <3.9, V = 68.2.AB-7 (76-78): Ash Pore: pH = 7.1,Sb = <3.1, B = 25.4, Cr = 22.8,Co = 10.3, Fe = 7360, Mn = 61, Mo = 5, Se = 22.7,Sr = 98.4, SO4 = 398, Tl = <3.1, V = 60.4.AB-7 (46-47): Ash Pore: pH = 8.2,Sb = <4.2, B = 71, Cr = 24.2,Co = 6.2, Fe = 4420, Mn = 48.9, Mo = 4.9, Se = 8.2,Sr = 191, SO4 = 1130, Tl = <4.2, V = 52.4.AB-7 (80-82): Surficial: pH = 8.1,Sb = <3.1, B = 9.6, Cr = 4.4,Co = 10.6, Fe = 11800, Mn = 87.5, Mo = <0.62, Se = <3.1,Sr = 40.7, SO4 = <292, Tl = <3.1, V = 37.6.AB-7 (82-87): Surficial:KD: = Sb = 21, B = 1, Cr = 696, Co = 8924, Se = 3, Tl = 1164.MW-17 (5-7): Surficial: HFO = 73.5:KD: = Sb = 41, B =IDNA, Cr = 15, Co = 1067, Se = 13, Tl = 676.37.MW-17 (29-31): Surficial: pH = 8.4,Sb = <5.1, B = 17.9, Cr = 4.8,Co = 5.7, Fe = 19800, Mn = 315, Mo = <2.5, Se = <5.1,Sr = 18.8, SO4 = <250, Tl = <5.1, V = 23.MW-17MW-17 (29-31):KD: = Sb = 11, B = 1, Cr = 167, Co = 2062, Se = 7, Tl = 74MW-16MW-16 (0-2): Surficial: pH = 7.7,Sb = <6, B = <14.9, Cr = 10.6,Co = 20.7, Fe = 23700, Mn = 168, Mo = <3, Se = <6,Sr = 23.2, SO4 = <290, Tl= <6, V = 43.6.MW-3MW-3 (19-21): Surficial: HFO = 660.MW-3 (28-38): Deep: KD: =Sb = 13, B = 0, Cr = 57,Co = 292, Se = 5, Tl = 1647.SOURCE NOTES:NOT ALL UTILITIES ARE IDENTIFIED ON THIS DRAWING. THE UTILITIES SHOWN ON THIS DRAWING ARE VISUALAIDS. THE HORIZONTAL AND VERTICAL LOCATIONS OF THE UTLITIES HAVE NOT BEEN FIELD VERIFIED. ANYUTILITIES SHOWN ARE APPROXIMATE.LEGENDMW-1WELL IN TRANSITION ZONEWELL IN ALLUVIUM/SAPROLITE ZONEMW-16BRWELL IN COMPETENT BEDROCK ZONEABMW-2WELL IN ASH PORE WATER500 ft COMPLIANCE BOUNDARY (APPROXIMATE)PARCEL LINE DUKE ENERGY (APPROXIMATE)ASH BASIN WASTE BOUNDARY (APPROXIMATE)PIEZOMETER IN COMPETENT BEDROCK ZONEMW-21BRLMW-15DPIEZOMETER IN TRANSITION ZONEWATER SUPPLY WELL SAMPLEDWATER SAMPLE LOCATIONSURFACE WATER FLOW DIRECTIONS-18AOW SAMPLE LOCATIONWATER SUPPLY WELL NOT SAMPLEDAPPROXIMATE STREAM (NON-JD)TOPOGRAPHY IS BASED ON LIDAR BARE EARTH DATA OBTAINED FROM THE FRIS\NORTH CAROLINA FLOODRISK INFORNATION SYSTEM AThttp://fris.nc.gov/fris/Download.aspx?FIPS=031&ST=NC&user=General%20Public ANDA DRAWING TITLED AERIAL TOPOGRAPHIC SURVEY-ROXBORO PLANT BY WSP, JOB NUMBER 1570002.000AND DRAWING FILE NAME ROXBORO FINAL_06--8-15.DWGSOIL SAMPLE BORINGAPPROXIMATE POND OR RESERVOIR (NON-JD)BG-1BRLWELL IN LOWER COMPETENT BEDROCK ZONEGMW-1AGMW-1PIEZOMETER IN UNKNOWN ZONERO-1021BGSB-18SW-4APPROXIMATE EFFLUENT CHANNELAPPROXIMATE ASH BASIN PONDED WATEREFFLUENT FLOW DIRECTIONDATA 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 AUGUST 2017.NA=NOT ANALYZEDNM=NOT MEASUREDWETLAND BY AMEC FOSTER WHEELERWETLAND AND STREAM BOUNDARIES PROVIDED BY AMECFOSTER WHEELER. NOTE THESE DO NOT APPEAR TO TO BEINCLUSIVE OF ALL THE BOUNDARIES AS SHOWN IN THE AMECFOSTER WHEELER NRTR ROXBORO REPORT.SEDIMENT SAMPLE LOCATIONWDC-1NPDES REGULATED PLANT WATER FEATUREWITH FLOW ARROWSNS=NOT SAMPLEDHFO=HYDROXIDE PHASES OF IRONKD=DISTRIBUTION COEFFICIENTBGSB-14 (2-3): Surficial, pH=6.03,Sb=<0.53, B=2.7, Cr=22,Co=3.9, Fe=21000, Mn=78, Mo=0.58 j, Se=0.31 j,Sr=11, SO4=19, Tl=0.16, V=64BGSB-14 (4-5): Surficial, pH=5.4,Sb=<0.53, B=1.2 j, Cr=9,Co=6.6, Fe=22000, Mn=97, Mo=0.61 j, Se=0.53 j,Sr=16, SO4=28, Tl=0.049 j, V=54BGSB-14 (7-8): Surficial, pH=6.1,Sb=<0.52, B=1.1 j, Cr=7.4,Co=8.5, Fe=19000, Mn=120, Mo=<2, Se=0.57 j,Sr=31, SO4=<11, Tl=0.1 j, V=48BGSB-14 (9-10): Surficial, pH=6.54,Sb=<0.47, B=<2.1, Cr=3.8,Co=8, Fe=15000, Mn=110, Mo=<1.7, Se=0.74 j,Sr=29, SO4=<10, Tl=0.04 j, V=45BGSB-112 (4-5): Surficial, pH=5.65,Sb=<0.56, B=1.3 j, Cr=4.1,Co=28, Fe=21000, Mn=360, Mo=<2.1, Se=1.1 j,Sr=10, SO4=<12, Tl=0.083 j, V=36BGSB-112 (2-3): Surficial, pH=5.53,Sb=<0.59, B=1.4 j, Cr=4.3,Co=4.6, Fe=21000, Mn=160, Mo=0.62 j, Se=0.35 j,Sr=7.7, SO4=13, Tl=0.1 j, V=43BGSB-112 (19-20): Surficial, pH=6.42,Sb=<0.43, B=0.98 j, Cr=3,Co=7.1, Fe=15000, Mn=270, Mo=<1.8, Se=0.49 j,Sr=18, SO4=<11, Tl=0.11, V=32BGSB-112 (9-10): Surficial, pH=7.63,Sb=<0.56, B=1.2 j, Cr=2,Co=14, Fe=23000, Mn=310, Mo=<2.2, Se=0.99 j,Sr=21, SO4=<12, Tl=0.12 j, V=36BGSB-112 (7-8): Surficial, pH=5.3,Sb=0.27 j,B, B=<2.4, Cr=4.1,Co=8.7, Fe=14000, Mn=110, Mo=<1.9, Se=1.1 j,Sr=14, SO4=<11, Tl=0.047 j, V=39BGSB-112 (14-15): Surficial, pH=7.55,Sb=<0.54, B=<2.8, Cr=7.3,Co=8.9, Fe=17000, Mn=230, Mo=<2.2, Se=0.33 j,Sr=23, SO4=<12, Tl=0.1 j, V=37SOIL OR SEDIMENT ID (INTERVAL IN ft. bgs): FLOW LAYER, pH (S.U.),Sb=Antimony (mg/kg): As=Arsenic (mg/kg): Ba=Barium (mg/kg): Be=Beryllium(mg/kg): B= Boron (mg/kg): Cd=Cadmium (mg/kg): Cl= Chloride (mg/kg):Cr (VI)=Hexavalent Chromium (mg/kg): Cr=Total Chromium (mg/kg): Co=Cobalt (mg/kg): Fe=Iron (mg/kg):Mn=Manganese (mg/kg): Mo=Molybdenum (mg/kg):Se=Selenium (mg/kg): Sr=Strontium (mg/kg): SO4=Sulfate (mg/kg): Tl=Thallium (mg/kg): U (Total)= Total Uranium : V=Vanadium (mg/kg)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 DATAH6 - ANALYSIS INITIATED OUTSIDE OF THE 15 MINUTE EPA REQUIRED HOLDING TIME.FOR CONTINUATION SEE FIGURE 14-73 S-23NS10/27/2017 7:15 PMP:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\CSA Update Oct 2017\DWG\DE ROXBORO CSAUP BASE MAP.dwgDATE PRINTED:FILE PATH:EAB EXTENSION IMPOUNDMENTMW-21BRLPZ-12SD-06-OSEAST ASH BASIN SEPARATOR DIKE PZ-14LP-6ABMW-7BRLELECTRICAL SUBSTATIONEASTERN EFFLUENT DISCHARGE CANALRAILROAD TRACKSSOUTH LANDFILL PONDGYPSUM STORAGE AREAROXBORO STEAM ELECTRIC PLANT1700 DUNNAWAY RD.SEMORA, NORTH CAROLINAPROGRESSFIGURE 14-71COMPREHENSIVE SURFACEWATER AND AOW DATAEAST ASH BASINDUKEENERGYFIG 14-71 (EAST SW-AOW)ALEX LEFITZJOHN CHASTAIN/ C. NEWELLPROJECT MANAGER:LAYOUT NAME:DRAWN BY:CHECKED BY:CRAIG EADYDATE:DATE:www.synterracorp.com148 River Street, Suite 220Greenville, South Carolina 29601864-421-999910/20/1710/20/17GRAPHIC SCALE4002001000200(IN FEET)WATER INTAKE BASININTAKE CANALCOOLING TOWER INTAKE BASINUNIT 3 COOLINGTOWER INTAKE PONDPLANT INTAKE PONDHEATED WATER DISCHARGE CANALMW-23BRMW-23BRRMW-20BRLMW-30BRMW-29BRMW-28BRSW-6NSMW-14DMW-14SMW-14BRMW-24BRMW-17BRMW-25BRCW-1MW-1BRMW-27BRMW-3BRGMW-11GMW-10MW-22BRMW-22BRLMW-22DGPMW-3BRGPMW-3DGPMW-2DGPMW-2BRGPMW-1DGPMW-1SGPMW-1BRGMW-6ABMW-7ABMW-7BRABMW-4BRABMW-4ABMW-5ABMW-5DABMW-6ABMW-6BRGMW-7GMW-8GMW-9MW-2BRMW-19BRLMW-16BRMW-13BRLMW-10BRCW-5MW-5DMW-5BRMW-11DMW-11BRLP-5LP-4LP-3LP-2LP-1GMW-2GMW-2AGMW-1AGMW-1HYCO LAKERO-02RO-08RO-11RO-03RO-12RO-15RO-13RO-07RO-04RO-16Mc G H E E S M I L L R O A D GUARD HOUSEPOWER HOUSECOAL STOCKPILECONTRACTOR TRAILERSEAST ASH BASIN MAIN DAMDUNNAWAY ROADDUNNAWAY ROADMcGHE E S M I L L R O A D Mc G H E E S M I L L R O A DRO2014-RAWRO-1015RO-1011RO-1017RO-1005RO-1012RO-1010ARO-1010RO-1013RO-1016RO-1018BGSB-14BGSB-112S-18: pH=8 S, Eh=292.7,Sb=<1, B=3310, Cr=<1,Co=NA, Fe=87, Mn=135, Mo=74.7, Se=<1,Sr=NA, SO4=650, TDS=1200, Tl=<0.2, V=NAS-14: pH=6.8, Eh=347.2,Sb=<1, B=500, Cr=<1,Co=NA, Fe=1260, Mn=2420, Mo=11.3, Se=<5,Sr=NA, SO4=370, TDS=660, Tl=<0.2, V=NAS-13: pH=7.39, Eh=215.9,Sb=<1, B=662, Cr=<1,Co=NA, Fe=801, Mn=423, Mo=50.1, Se=<1,Sr=NA, SO4=75, TDS=200, Tl=<0.2, V=NAS-21: pH=6.46, Eh=215.7,Sb=<1, B=1170, Cr=<1,Co=NA, Fe=1840, Mn=4360, Mo=<1, Se=<1,Sr=NA, SO4=150, TDS=450, Tl=<0.2, V=NAS-9: pH=7.1, Eh=144.9,Sb=<1, B=1260, Cr=<1,Co=NA, Fe=1260, Mn=998, Mo=45.8, Se=<1,Sr=NA, SO4=48, TDS=140, Tl=<0.2, V=NACV-2: pH=7.4, Eh=304.4,Sb=<1, B=1100, Cr=<1,Co=<1, Fe=240, Mn=322, Mo=89.2, Se=1.1,Sr=355, SO4=63, TDS=150, Tl=<0.2, V=1.01CL-7: pH=7.4, Eh=299.3,Sb=<1, B=1130, Cr=<1,Co=<1, Fe=244, Mn=336, Mo=95.6, Se=1.3,Sr=366, SO4=62, TDS=160, Tl=<0.2, V=1.15CL-5: pH=7.1, Eh=305,Sb=<1, B=1430, Cr=<1,Co=<1, Fe=480, Mn=885, Mo=94.4, Se=1.27,Sr=463, SO4=75, TDS=190, Tl=<0.2, V=1.36.94CL-5S: pH=7.3, Eh=306.6,Sb=<1, B=1100, Cr=<1,Co=<1, Fe=241, Mn=323, Mo=87.5, Se=1.06,Sr=355, SO4=63, TDS=150, Tl=<0.2, V=1CL-2: pH=7.25, Eh=330,Sb=<1, B=1120, Cr=<1,Co=<1, Fe=428, Mn=390, Mo=79.6, Se=1.09,Sr=363, SO4=62, TDS=160, Tl=<0.2, V=1.35CL-2S: pH=7.4, Eh=305.5,Sb=<1, B=1110, Cr=<1,Co=<1, Fe=247, Mn=326, Mo=95.2, Se=1.01,Sr=356, SO4=63, TDS=160, Tl=<0.2, V=1.08EDC-1: pH=7, Eh=555.5,Sb=<1, B=2150, Cr=<1,Co=<1, Fe=339, Mn=697, Mo=89.9, Se=<1,Sr=622, SO4=100, TDS=260, Tl=<0.2 B3, V=1.24EDC-2: pH=6.9, Eh=536.3,Sb=<1, B=1810, Cr=<1,Co=<1, Fe=18, Mn=33, Mo=51.7, Se=1.86,Sr=511, SO4=99, TDS=240, Tl=<0.2, V=1.83EDC-3: pH=7.4, Eh=475.5,Sb=<1, B=2020, Cr=<1,Co=<1, Fe=155, Mn=96, Mo=38, Se=2.69,Sr=551, SO4=130, TDS=310, Tl=<0.2, V=2EDC-4: pH=7.4, Eh=387,Sb=<1, B=1560, Cr=<1,Co=<1, Fe=526, Mn=310, Mo=29.8, Se=2.48,Sr=469, SO4=160, TDS=300, Tl=<0.2, V=0.55=2EDC-5: pH=7.1, Eh=416.2,Sb=<1, B=1620, Cr=<1,Co=1.53, Fe=1290, Mn=1000, Mo=24.1, Se=2.13,Sr=578, SO4=120, TDS=380, Tl=<0.2, V=0.314EAB-01: pH=7.8 S, Eh=291,Sb=<1, B=692, Cr=<1,Co=NA, Fe=97, Mn=127, Mo=6.59, Se=<1,Sr=NA, SO4=23, TDS=130, Tl=<0.2, V=NALCID LANDFILL(PERMIT NO. 73D-LCID)EAST ASH BASININDUSTRIAL LANDFILL(PERMIT NO. 7302-INDUS)SOURCE NOTES:NOT ALL UTILITIES ARE IDENTIFIED ON THIS DRAWING. THE UTILITIES SHOWN ON THIS DRAWING ARE VISUALAIDS. THE HORIZONTAL AND VERTICAL LOCATIONS OF THE UTLITIES HAVE NOT BEEN FIELD VERIFIED. ANYUTILITIES SHOWN ARE APPROXIMATE.LEGENDMW-1WELL IN TRANSITION ZONEWELL IN ALLUVIUM/SAPROLITE ZONEMW-15BRWELL IN COMPETENT BEDROCK ZONEABMW-2WELL IN ASH PORE WATER500 ft COMPLIANCE BOUNDARY (APPROXIMATE)PARCEL LINE DUKE ENERGY (APPROXIMATE)ASH BASIN WASTE BOUNDARY (APPROXIMATE)PIEZOMETER IN COMPETENT BEDROCK ZONEMW-21BRLMW-15DPIEZOMETER IN TRANSITION ZONEWATER SUPPLY WELL SAMPLEDWATER SAMPLE LOCATIONSURFACE WATER FLOW DIRECTIONS-18AOW SAMPLE LOCATIONWATER SUPPLY WELL NOT SAMPLEDAPPROXIMATE STREAM (NON-JD)TOPOGRAPHY IS BASED ON LIDAR BARE EARTH DATA OBTAINED FROM THE FRIS\NORTH CAROLINA FLOODRISK INFORNATION SYSTEM AThttp://fris.nc.gov/fris/Download.aspx?FIPS=031&ST=NC&user=General%20Public ANDA DRAWING TITLED AERIAL TOPOGRAPHIC SURVEY-ROXBORO PLANT BY WSP, JOB NUMBER 1570002.000AND DRAWING FILE NAME ROXBORO FINAL_06--8-15.DWGSOIL SAMPLE BORINGAPPROXIMATE POND OR RESERVOIR (NON-JD)BG-1BRLWELL IN LOWER COMPETENT BEDROCK ZONEGMW-1AGMW-1PIEZOMETER IN UNKNOWN ZONERO-1021BGSB-18SW-4APPROXIMATE EFFLUENT CHANNELAPPROXIMATE ASH BASIN PONDED WATEREFFLUENT FLOW DIRECTIONWETLAND BY AMEC FOSTER WHEELERWETLAND AND STREAM BOUNDARIES PROVIDED BY AMECFOSTER WHEELER. NOTE THESE DO NOT APPEAR TO TO BEINCLUSIVE OF ALL THE BOUNDARIES AS SHOWN IN THE AMECFOSTER WHEELER NRTR ROXBORO REPORT.Sample ID: pH (S.U.), Eh (mV)Sb=Antimony (ug/L): As=Arsenic (ug/L): Ba=Barium (ug/L): Be=Beryllium(ug/L): B= Boron (ug/L): Cd=Cadmium (ug/L): Cl= Chloride (mg/L):Cr (VI)=Hexavalent Chromium (ug/L): Cr=Total Chromium (ug/L): Co=Cobalt (ug/L): Fe=Iron (ug/L):Mn=Manganese (ug/L): Mo=Molybdenum (ug/L): Se=Selenium(ug/L): Sr=Strontium (ug/L): SO4=Sulfate (mg/L): Tl=Thallium (ug/L): TDS=Total Dissolved Solids (mg/L): U (Total)= Total Uranium : V=Vanadium (ug/L)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 AUGUST 2017.NA=NOT ANALYZEDNM=NOT MEASUREDNS=NOT SAMPLEDSAMPLE KEYDW = DEEP WATERSW = SHALLOW WATERNPDES REGULATED PLANT WATER FEATUREWITH FLOW DIRECTIONS-22NSS-10NSS-11NSS-12NSFOR CONTINUATION SEE FIGURE 14-74 ABMW-7BRL, Screen (285-295): pH=7.6, Eh=64, k=3.39E-02,Sb=<1, B=93, Cr (VI)=<0.025, Cr=<1,Co=<1, Fe=243, Mn=71, Mo=7.9, Se=<1,Sr=734, SO4=350, TDS=570, Tl=<0.2, U (Total) =0.000317, V=<0.3.ABMW-7BR, Screen (127.6-132.6): pH=7.2, Eh=116, k=3.34E+00,Sb=<1, B=1430, Cr (VI) =0.04, Cr=<1,Co=<1, Fe=168, Mn=531, Mo=1.66, Se=<1,Sr=236, SO4=130, TDS=440, Tl=<0.2, U (Total) =0.000615, V=0.496.10/27/2017 7:18 PMP:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\CSA Update Oct 2017\DWG\DE ROXBORO CSAUP BASE MAP.dwgDATE PRINTED:FILE PATH:EAB EXTENSION IMPOUNDMENTMW-21BRL*, Screen (143-158)PZ-12S-10S-11S-12S-09SD-06-OSEAST ASH BASIN SEPARATOR DIKE PZ-14LP-6S-22S-23ELECTRICAL SUBSTATIONEASTERN EFFLUENT DISCHARGE CANALS-13S-18S-14RAILROAD TRACKSSOUTH LANDFILL PONDGYPSUM STORAGE AREAROXBORO STEAM ELECTRIC PLANT1700 DUNNAWAY RD.SEMORA, NORTH CAROLINAPROGRESSFIGURE 14-72COMPREHENSIVEGROUNDWATER DATAEAST ASH BASINDUKEENERGYFIG 14-72 (EAST GW DATA)ALEX LEFITZJOHN CHASTAIN/ C. NEWELLPROJECT MANAGER:LAYOUT NAME:DRAWN BY:CHECKED BY:CRAIG EADYDATE:DATE:www.synterracorp.com148 River Street, Suite 220Greenville, South Carolina 29601864-421-999910/20/1710/20/17GRAPHIC SCALE4002001000200(IN FEET)WATER INTAKE BASININTAKE CANALCOOLING TOWER INTAKE BASINUNIT 3 COOLINGTOWER INTAKE PONDPLANT INTAKE PONDHEATED WATER DISCHARGE CANALMW-23BR*, Screen (119-129)SW-6MW-14D, Screen (50-55),NS (DRY)MW-14S, Screen (31-36),NS (DRY)MW-22BRL*, Screen (290-300)CW-5MW-5DMW-5BRLP-5LP-4LP-3LP-2LP-1GMW-2GMW-2AGMW-1AGMW-1S-21HYCO LAKERO-02RO-08RO-11RO-03RO-12Mc G H E E S M I L L R O A D GUARD HOUSEPOWER HOUSECOAL STOCKPILECONTRACTOR TRAILERSEAST ASH BASIN MAIN DAMDUNNAWAY ROADDUNNAWAY ROADMcGHE E S M I L L R O A D Mc G H E E S M I L L R O A D BGSB-14BGSB-112ABMW-4, Screen (43-48): pH=6.8, Eh=94, k=4.07E-01,Sb=<1, B=39700, Cr (VI)=0.65, Cr=1.41,Co=6.45, Fe=55800, Mn=9190, Mo=577, Se=<1,Sr=9390, SO4=2100, TDS=3700, Tl=<0.2, U (Total) =0.0296, V=2.49.ABMW-4BR, Screen (90.2-95.2): pH=6.8, Eh=130, k=1.14E-01, Sb=<1,B=<50, Cr (VI)=1.7, Cr=10,Co=1.68, Fe=9400, Mn=2420, Mo=4.29, Se=<1,Sr=190, SO4=17, TDS=270, Tl=<0.2 B3, U (Total) =0.000491, V=3.18.ABMW-5, Screen (51-56): pH=7.5, Eh=65, k=2.93E+02,Sb=<1, B=23200, Cr (VI)=0.36, Cr=<1,Co=1.51, Fe=3810, Mn=1640, Mo=1570, Se=<1,Sr=4050, SO4=1200, TDS=2200, Tl=<0.2, U (Total) =0.00367, V=0.685.ABMW-5D, Screen (86-91): pH=7.5, Eh=10, k=3.16E+00,Sb=<1, B=2580, Cr (VI)=4.5, Cr=<1,Co=<1, Fe=30200, Mn=5990, Mo=23.4, Se=<1,Sr=419, SO4=2.4, TDS=280, Tl=<0.2, U (Total) =<0.0002, V=0.655.ABMW-6BR, Screen (82-87): pH=6.9, Eh=172, k=4.25E+00,Sb=<1, B=<50, Cr (VI)=0.03, Cr=<1,Co=<1, Fe=129, Mn=930, Mo=2.11, Se=<1,Sr=208, SO4=58, TDS=340, Tl=<0.2 B3, U (Total) =0.000648, V=0.378.ABMW-6, Screen (55-60): pH=7.2, Eh=176.2, k=3.16E-01,Sb=<1, B=3180, Cr (VI)=0.5, Cr=<1,Co=<1, Fe=3390, Mn=1120, Mo=52, Se=<1,Sr=9670, SO4=240, TDS=800, Tl=<0.2 B3, U (Total) =0.00197, V=2.2.ABMW-7, Screen (72-77): pH=9.5, Eh=42, k=3.77E+00,Sb=4.56, B=5980, Cr (VI)=0.081, Cr=<1,Co=<1, Fe=<10, Mn=12, Mo=1690, Se=<1,Sr=5470, SO4=500, TDS=860, Tl=<0.2, U (Total) =0.000876, V=13.6.CW-1, Screen (20-39.8): pH=6.3, Eh=201.7, k=NA,Sb=<1, B=<50, Cr (VI)=0.03, Cr=<1,Co=1.56, Fe=162, Mn=100, Mo=<1, Se=1.77,Sr=367, SO4=130, TDS=420, Tl=<0.2, U (Total) =0.000155 j, V=21.4.GMW-6, Screen (30-45): pH=6.6, Eh=229, k=NA,Sb=<1, B=2420, Cr (VI)=0.78, Cr=<1,Co=<1, Fe=32, Mn=<5, Mo=<1, Se=72.9,Sr=999, SO4=560, TDS=1200, Tl=<0.2, U (Total) =0.00235, V=4.39.GMW-7, Screen (39-54): pH=6.8, Eh=232, k=NA,Sb=<1, B=1340, Cr (VI)=0.27, Cr=<1,Co=<1, Fe=12, Mn=<5, Mo=<1, Se=8.36,Sr=589, SO4=180, TDS=820, Tl=<0.2 B3, U (Total) =0.00526, V=6.58.GMW-8, Screen (53-63): pH=6.5, Eh=226, k=NA,Sb=<1, B=4830, Cr (VI)=0.064, Cr=1.55,Co=<1, Fe=85, Mn=75, Mo=3.22, Se=<1,Sr=1060, SO4=580, TDS=1600, Tl=<0.2 B3, U (Total) =0.0194, V=1.78.GMW-9, Screen (30-45): pH=6.2, Eh=273, k=NA,Sb=<1, B=<50, Cr (VI)=0.22, Cr=<1,Co=<1, Fe=23, Mn=<5, Mo=<1, Se=<1,Sr=84, SO4=22, TDS=160, Tl=<0.2, U (Total) =<0.0002, V=3.93.GMW-10, Screen (30-45): pH=6, Eh=229.2, k=NA,Sb=<1, B=92, Cr (VI) =0.17, Cr=<1,Co=<1, Fe=18, Mn=<5, Mo=3.9, Se=<1,Sr=127, SO4=30, TDS=180, Tl=<0.2, U (Total) =<0.0002, V=3.1.GMW-11, Screen (30-45): pH=6.5, Eh=220.3, k=NA,Sb=<1, B=3380, Cr (VI) =0.24, Cr=<1,Co=<1, Fe=62, Mn=<5, Mo=1.17, Se=108,Sr=482, SO4=460, TDS=900, Tl=<0.2 B3, U (Total) =0.00112, V=5.57.GPMW-1BR, Screen (99-109): pH=6.8, Eh=189.2, k=2.10E-01,Sb=<1, B=1440, Cr (VI) =<0.025, Cr=<1,Co=1.05, Fe=194, Mn=176, Mo=<1, Se=1.22,Sr=1130, SO4=1000, TDS=1700, Tl=<0.2, U (Total) =0.00342, V=2.4 B2.GPMW-1D, Screen (50-60): pH=6.7, Eh=241.8, k=7.96E-02,Sb=<1, B=961, Cr (VI)=0.03, Cr=<1,Co=<1, Fe=16, Mn=55, Mo=<1, Se=3.88,Sr=1470, SO4=1100, TDS=1800, Tl=<0.2, U (Total) =0.0016, V=4.4 B2.GPMW-1S, Screen (20-30): pH=6.4, Eh=317.1, k=3.00E-02, Sb=<1,B=1450, Cr (VI)=<0.025, Cr=<1,Co=10.2, Fe=40, Mn=4180, Mo=1.34, Se=<1,Sr=2260, SO4=1000, TDS=1700, Tl=<0.2, U (Total) =0.000446, V=5.55 B2.GPMW-2BR, Screen (89.5-99.5): pH=6.6, Eh=136.1, k=1.77E+02,Sb=<1, B=2460, Cr (VI)=0.032, Cr=<1,Co=<1, Fe=79, Mn=310, Mo=<1, Se=1.25,Sr=1270, SO4=1000, TDS=2000, Tl=<0.2, U (Total) =0.00465, V=3.51 B2.GPMW-2D, Screen (36-46): pH=6.7, Eh=105.6, k=2.69E-01,Sb=<1, B=<50, Cr (VI)=<0.5 D3, Cr=<1,Co=8.17, Fe=74100, Mn=5670, Mo=1.71, Se=<1,Sr=872, SO4=430, TDS=980, Tl=<0.2, U (Total) =<0.0002, V=1.06 B2.GPMW-3BR, Screen (98-108): pH=7.4, Eh=174.7, k=1.87E-02,Sb=<1, B=247, Cr (VI)=0.11, Cr=<1,Co=<1, Fe=<10, Mn=35, Mo=2.67, Se=<1,Sr=869, SO4=440, TDS=780, Tl=<0.2, U (Total) =0.000998, V=0.982 B2.GPMW-3D, Screen (23.5-33.5): pH=6.1, Eh=168.7, k=9.77E-02,Sb=<1, B=1530, Cr (VI)=<0.12 D3, Cr=<1,Co=9.69, Fe=825, Mn=1730, Mo=<1, Se=29.5,Sr=1680, SO4=1200, TDS=1900, Tl=<0.2, U (Total) =0.000132 j, V=1.81 B2.MW-1BR, Screen (66.2-76.2): pH=6.7, Eh=199.5, k=2.81E-02,Sb=<1, B=1060, Cr (VI)=0.089, Cr=<1,Co=1.45, Fe=172, Mn=660, Mo=<1, Se=3.07,Sr=508, SO4=75, TDS=580, Tl=<0.2, U (Total) =0.00541, V=14.5.MW-3BR, Screen (57.1-67.1): pH=6.5, Eh=454.8, k=1.27E-01,Sb=<1, B=3000, Cr (VI)=0.054, Cr=<1,Co=<1, Fe=45, Mn=19, Mo=<1, Se=3.74,Sr=1390, SO4=1400, TDS=2200, Tl=<0.2, U (Total) =0.0436, V=15.3.MW-11BR, Screen (40.5-45.5): pH=6.8, Eh=381, k=6.88E-02,Sb=<1, B=<50, Cr (VI)=<0.12 D3, Cr=<1,Co=<1, Fe=24, Mn=52, Mo=1.43, Se=<1,Sr=189, SO4=41, TDS=340, Tl=<0.2, U (Total) =0.000772, V=5.04.MW-11D, Screen (20.5-30.5): pH=6.5, Eh=290, k=1.76E-02,Sb=<1, B=<50, Cr (VI)=<0.12 D3, Cr=1.37,Co=7.44, Fe=2190, Mn=1640, Mo=2.65, Se=<1,Sr=348, SO4=33, TDS=320, Tl=<0.2 B3, U (Total) =0.000208, V=2.87.MW-13BR, Screen (43-48): pH=6.2, Eh=247, k=3.13E+00, Sb=<1,B=<50, Cr (VI)=<0.025 M1, Cr=<1,Co=2.74, Fe=493, Mn=189, Mo=1.51, Se=<1,Sr=424, SO4=32, TDS=420, Tl=<0.2, U (Total) =<0.0002, V=4.45.MW-14BR, Screen (77-82): pH=7.2, Eh=134, k=5.33E-01,Sb=<1, B=<50, Cr (VI)=0.65, Cr=<1,Co=2.25, Fe=1230, Mn=291, Mo=1.42, Se=<1,Sr=164, SO4=13, TDS=360, Tl=<0.2 B3, U (Total) =0.000175 j, V=<0.3.MW-16BR, Screen (50.5-55.5): pH=7.2, Eh=261.6, k=2.52E+01,Sb=<1, B=<50, Cr (VI)=0.2, Cr=<1,Co=<1, Fe=46, Mn=69, Mo=3.13, Se=<1,Sr=172, SO4=25, TDS=290, Tl=<0.2, U (Total) =0.00122, V=2.93.MW-17BR, Screen (65-75): pH=7.3, Eh=207, k=6.34E-02,Sb=<1, B=<50, Cr (VI)=0.071, Cr=<1,Co=<1, Fe=332, Mn=285, Mo=7, Se=<1,Sr=892, SO4=35, TDS=410, Tl=<0.2, U (Total) =0.000242, V=0.373.MW-19BRL, Screen (63-73): pH=7.4, Eh=84, k=1.45E+01,Sb=<1, B=<50, Cr (VI)=0.67, Cr=<1,Co=<1, Fe=4520, Mn=1040, Mo=7.37, Se=<1,Sr=228, SO4=1.4, TDS=450, Tl=<0.2, U (Total) =<0.0002, V=0.433.MW-20BRL, Screen (195-205): pH=7.6, Eh=200, k=1.34E+01,Sb=<1, B=<50, Cr (VI)=<0.025, Cr=<1,Co=<1, Fe=169, Mn=346, Mo=1.28, Se=<1,Sr=184, SO4=10, TDS=250, Tl=<0.2, U (Total) =0.00035, V=0.318.MW-22BR, Screen (60-70): pH=6.5, Eh=64.4, k=1.43E-01,Sb=<1, B=558, Cr (VI)=<0.12 D3, Cr=<1,Co=7.88, Fe=1400, Mn=2030, Mo=8.86, Se=<1,Sr=574, SO4=410, TDS=910, Tl=<0.2, U (Total) =0.00236, V=0.655.MW-22D, Screen (26-36): pH=5.4, Eh=75.5, k=4.07E-01,Sb=<1, B=458, Cr (VI)=0.077, Cr=<1,Co=6.39, Fe=42, Mn=2160, Mo=<1, Se=92.9,Sr=1230, SO4=840, TDS=1500, Tl=<0.2, U (Total) =0.000962, V=2.63.MW-23BRR, Screen (194-204): pH=7, Eh=145.6, k=5.84E-01,Sb=<1, B=<50, Cr (VI)=<0.12 D3, Cr=<1,Co=<1, Fe=388, Mn=68, Mo=3.08, Se=<1,Sr=170, SO4=23, TDS=280, Tl=<0.2, U (Total) =0.00258, V=1.12.MW-24BR, Screen (145-155): pH=7.8, Eh=28.9, k=5.16E-02,Sb=<1, B=<50, Cr (VI)=0.74, Cr=<1,Co=<1, Fe=<10, Mn=<5, Mo=4.93, Se=<1,Sr=<5, SO4=68, TDS=300, Tl=<0.2, U (Total) =0.000983, V=<0.3.MW-25BR, Screen (100-110): pH=7.1, Eh=115.3, k=7.64E-02,Sb=<1, B=<50, Cr (VI)=0.68, Cr=<1,Co=<1, Fe=1340, Mn=588, Mo=1.49, Se=<1,Sr=1860, SO4=94, TDS=590, Tl=<0.2, U (Total) =0.00206, V=<0.3.MW-27BR, Screen (65-75): pH=7.3, Eh=74, k=7.37E-01,Sb=<1, B=<50, Cr (VI)=0.032 M1, Cr=<1,Co=<1, Fe=104, Mn=241, Mo=1.78, Se=<1,Sr=253, SO4=210, TDS=550, Tl=<0.2, U (Total) =0.00285, V=0.603.MW-28BR, Screen (124-134): pH=7.4, Eh=217, k=2.36E-03,Sb=<1, B=<50, Cr (VI)=0.061, Cr=2.08,Co=<1, Fe=119, Mn=163, Mo=9.82, Se=<1,Sr=278, SO4=42, TDS=330, Tl=<0.2, U (Total) =0.00279, V=2.01.3.MW-29BR, Screen (74-84): pH=7.3, Eh=183.7, k=2.18E-02,Sb=<1, B=<50, Cr (VI)=0.038, Cr=<1,Co=<1, Fe=43, Mn=67, Mo=1.82, Se=<1,Sr=147, SO4=19, TDS=300, Tl=<0.2, U (Total) =0.00185, V=1.24.MW-30BR, Screen (130-140): pH=6.9, Eh=137.2, k=7.06E+01,Sb=<1, B=<50, Cr (VI)=0.73, Cr=2.64,Co=<1, Fe=1260, Mn=1110, Mo=6.11, Se=<1,Sr=288, SO4=64, TDS=480, Tl=<0.2, U (Total) =0.00357, V=0.3RO-04 (Vendor) Screen(NA) : pH = 6.77 Eh=NA, k=NA,Sb=<0.5, B=<50, Cr (VI)=<5, Cr=2.69,Co=<1, Fe=228, Mn=144, Mo=<2, Se=<2,Sr=260, SO4=7, TDS=267, Tl=<0.5, U (Total) =NA, V=1.38.RO-07 (Vendor) Screen(NA) : pH = 6.18 Eh=NA, k=NA,Sb=<0.5, B=<5, Cr (VI)=0.57, Cr=6.2, Co=<0.5, Fe=53.8,Mn=29.4, Mo=<0.5, Se=<0.5,Sr=268, SO4=7.1, TDS=200, Tl=<0.1, U (Total) =NA, V=5.9.RO2014-RAW Screen(NA) : pH = 6.7 Eh=NA, k=NA,Sb=<0.5, B=<250, Cr (VI)=0.031, Cr=<0.5,Co=0.16, Fe=158, Mn=96.7, Mo=<0.5, Se=<0.5,Sr=274, SO4=8.4, TDS=241, Tl=<0.1, U (Total) =NA, V=1.9.RO-13 (Vendor) Screen(NA) : pH = 5.98 Eh=NA, k=NA,Sb=<0.5, B=<5, Cr (VI)=0.92, Cr=1.3,Co=<0.5, Fe=<50, Mn=3.7, Mo=<0.5, Se=<0.5,Sr=166, SO4=2.6, TDS=138, Tl=<0.1, U (Total) =NA, V=3.1.RO-15 (Vendor) Screen(NA) : pH = 7 Eh=NA, k=NA,Sb=<0.5, B=<5, Cr (VI)=0.83, Cr=1.3,Co=<0.5, Fe=<50, Mn=0.62, Mo=4.2, Se=<0.5,Sr=190, SO4=47.1, TDS=456, Tl=<0.1, U (Total) =NA, V=16.1.RO-16 (Vendor) Screen(NA) : pH = 6.05 Eh=NA, k=NA,Sb=<0.5, B=<5, Cr (VI)=1.2, Cr=1.4,Co=<0.5, Fe=<50, Mn=0.98, Mo=<0.5, Se=<0.5,Sr=121, SO4=<2, TDS=<25, Tl=<0.1, U (Total) =NA, V=5.5.RO-1005 Screen(NA) : pH = 5.8 Eh=NA, k=NA,Sb=<0.5, B=<25, Cr (VI)=0.75, Cr=1.1,Co=<0.1, Fe=<50, Mn=0.78, Mo=<0.5, Se=<0.5,Sr=163, SO4=<2, TDS=129, Tl=<0.1, U (Total) =NA, V=6.1.RO-1010 Screen(NA) : pH = 5.9 Eh=NA, k=NA,Sb=<0.5, B=<25, Cr (VI)=2.3, Cr=2.3,Co=0.11, Fe=<50, Mn=9.2, Mo=<0.5, Se=<0.5,Sr=135, SO4=8.2, TDS=206, Tl=<0.1, U (Total) =NA, V=6.8.RO-1010A Screen(NA) : pH = 6.5 Eh=NA, k=NA,Sb=<0.5, B=<25, Cr (VI)=0.082, Cr=<0.5,Co=<0.1, Fe=80, Mn=0.82, Mo=0.98, Se=<0.5,Sr=180, SO4=31.3, TDS=332, Tl=<0.1, U (Total) =NA, V=7.4.RO-1018 Screen(NA) : pH = 6.4 Eh=NA, k=NA,Sb=<0.5, B=<25, Cr (VI)=0.078, Cr=<0.5,Co=<0.1, Fe=<50, Mn=4.1, Mo=0.75, Se=<0.5,Sr=149, SO4=9.5, TDS=209, Tl=<0.1, U (Total) =NA, V=4.1.RO-1013 Screen(NA) : pH = 6.1 Eh=NA, k=NA,Sb=<0.5, B=<25, Cr (VI)=1.5, Cr=2.5,Co=<0.1, Fe=1400, Mn=68, Mo=<0.5, Se=<0.5,Sr=110, SO4=3.4, TDS=160, Tl=<0.1, U (Total) =NA, V=3.8.RO-1016 Screen(NA) : pH = 5.8 Eh=NA, k=NA,Sb=<0.5, B=<25, Cr (VI)=2, Cr=2.5,Co=<0.1, Fe=<50, Mn=3.4, Mo=<0.5, Se=<0.5,Sr=83.6, SO4=4.6, TDS=117, Tl=<0.1, U (Total) =NA, V=5.5.RO-1015 Screen(NA) : pH = 5.9 Eh=NA, k=NA,Sb=<0.5, B=<25, Cr (VI)=0.037, Cr=<0.5,Co=<0.1, Fe=576, Mn=9.2, Mo=<0.5, Se=<0.5,Sr=248, SO4=6.9, TDS=160, Tl=<0.1, U (Total) =NA, V=3.5..1.RO-1017 Screen(NA) : pH = 6.3 Eh=NA, k=NA,Sb=<0.5, B=<25, Cr (VI)=0.87, Cr=1.2,Co=<0.1, Fe=<50, Mn=10, Mo=<0.5, Se=<0.5,Sr=226, SO4=7.3, TDS=224, Tl=<0.1, U (Total) =NA, V=5.1.RO-1011 Screen(NA) : pH = 6 Eh=NA, k=NA,Sb=<0.5, B=<25, Cr (VI)=0.59, Cr=0.52,Co=<0.1, Fe=97.9, Mn=1.5, Mo=<0.5, Se=<0.5,Sr=214, SO4=4.7, TDS=152, Tl=<0.1, U (Total) =NA, V=6.2.RO-1012 Screen(NA) : pH = 5.9 Eh=NA, k=NA,Sb=<0.5, B=<25, Cr (VI)=2, Cr=3.8,Co=<0.1, Fe=232, Mn=5.6, Mo=<0.5, Se=<0.5,Sr=109, SO4=<2, TDS=116, Tl=<0.1, U (Total) =NA, V=7.LCID LANDFILL(PERMIT NO. 73D-LCID)EAST ASH BASININDUSTRIAL LANDFILL(PERMIT NO. 7302-INDUS)SOURCE NOTES:NOT ALL UTILITIES ARE IDENTIFIED ON THIS DRAWING. THE UTILITIES SHOWN ON THIS DRAWING ARE VISUALAIDS. THE HORIZONTAL AND VERTICAL LOCATIONS OF THE UTLITIES HAVE NOT BEEN FIELD VERIFIED. ANYUTILITIES SHOWN ARE APPROXIMATE.LEGENDMW-1WELL IN TRANSITION ZONEWELL IN ALLUVIUM/SAPROLITE ZONEMW-15BRWELL IN COMPETENT BEDROCK ZONEABMW-2WELL IN ASH PORE WATER500 ft COMPLIANCE BOUNDARY (APPROXIMATE)PARCEL LINE DUKE ENERGY (APPROXIMATE)ASH BASIN WASTE BOUNDARY (APPROXIMATE)PIEZOMETER IN COMPETENT BEDROCK ZONEMW-21BRLMW-15DPIEZOMETER IN TRANSITION ZONEWATER SUPPLY WELL SAMPLEDWATER SAMPLE LOCATIONSURFACE WATER FLOW DIRECTIONS-18AOW SAMPLE LOCATIONWATER SUPPLY WELL NOT SAMPLEDAPPROXIMATE STREAM (NON-JD)TOPOGRAPHY IS BASED ON LIDAR BARE EARTH DATA OBTAINED FROM THE FRIS\NORTH CAROLINA FLOODRISK INFORNATION SYSTEM AThttp://fris.nc.gov/fris/Download.aspx?FIPS=031&ST=NC&user=General%20Public ANDA DRAWING TITLED AERIAL TOPOGRAPHIC SURVEY-ROXBORO PLANT BY WSP, JOB NUMBER 1570002.000AND DRAWING FILE NAME ROXBORO FINAL_06--8-15.DWGSOIL SAMPLE BORINGAPPROXIMATE POND OR RESERVOIR (NON-JD)BG-1BRLWELL IN LOWER COMPETENT BEDROCK ZONEGMW-1AGMW-1PIEZOMETER IN UNKNOWN ZONERO-1021BGSB-18SW-4APPROXIMATE EFFLUENT CHANNELAPPROXIMATE ASH BASIN PONDED WATEREFFLUENT FLOW DIRECTIONWell ID (SCREENED INTERVAL IN ft. bgs): pH (S.U.), Eh (mV), k= hydraulic conductivity (ft/day)Sb=Antimony (ug/L): As=Arsenic (ug/L): Ba=Barium (ug/L): Be=Beryllium(ug/L): B= Boron (ug/L): Cd=Cadmium (ug/L): Cl= Chloride (mg/L):Cr (VI)=Hexavalent Chromium (ug/L): Cr=Total Chromium (ug/L): Co=Cobalt (ug/L): Fe=Iron (ug/L):Mn=Manganese (ug/L): Mo=Molybdenum (ug/L): Se=Selenium(ug/L): Sr=Strontium (ug/L): SO4=Sulfate (mg/L): Tl=Thallium (ug/L): TDS=Total Dissolved Solids (mg/L): U (Total)= Total Uranium : V=Vanadium (ug/L)WELL KEYWETLAND BY AMEC FOSTER WHEELERWETLAND AND STREAM BOUNDARIES PROVIDED BY AMECFOSTER WHEELER. NOTE THESE DO NOT APPEAR TO TO BEINCLUSIVE OF ALL THE BOUNDARIES AS SHOWN IN THEAMEC FOSTER WHEELER NRTR ROXBORO REPORT.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 AUGUST 2017.NA=NOT ANALYZEDNM=NOT MEASURED*PIEZOMETER**DATA IS EXCLUDED FOR WELLS WITH A MEASURED TURBIDITY GREATER THAN 10 NTU's AND /ORHIGH pH VALUES THAT MAY INDICATE POSSIBLE GROUT INTRUSION INTO THE WELL SCREEN.NS=NOT SAMPLEDNPDES REGULATED PLANT WATER FEATUREWITH FLOW DIRECTIONMW-10BR, Screen (36-41): pH=7, Eh=221, k=1.38E+00,Sb=<1, B=<50, Cr (VI)=0.14, Cr=<1,Co=19.9, Fe=<10, Mn=352, Mo=14.1, Se=<1,Sr=169, SO4=40, TDS=330, Tl=<0.2, U (Total) =0.00308, V=2.9.MW-2BR, Screen (30.1-35.4): pH=6.6, Eh=167, k=1.80E-02,Sb=<1, B=<50, Cr (VI)=1.2, Cr=<1,Co=2.92, Fe=24500, Mn=1590, Mo=<1, Se=<1,Sr=607, SO4=47, TDS=570, Tl=<0.2, U (Total) =0.000279, V=0.341.FOR CONTINUATION SEE FIGURE 14-75 10/27/2017 6:39 PM P:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\CSA Update Oct 2017\DWG\DE ROXBORO CSAUP BASE MAP.dwgDATE PRINTED:FILE PATH: LOCKED GATE WAB EXTENSION IMPOUNDMENT FILTER DIKEWESTERN EFFLUENT DISCHARGE CANALWEST A S H B A S I N M A I N D A M WEST FGD POND EAST FGD POND FGD FLUSH POND 7 ENG I N E E R T O E D R A I N S S01 TH R U S 0 7 GUARD HOUSE FLOW WAB EXTENSION IMPOUNDMENT S-18 S-20 S-8 S-7 S-6 S-5 S-1S-2S-3 S-4 S-22 S-23 CONTRACTOR TRAILERS OUTLET STRUCTURES STAIRS DISCHARGE DISCHARGE SWITCHYARD SWITCHYARD 230Kv SWITCHYARD SLUICE PIPE (INACTIVE)MW-15BR MW-15D MW-31BR MW-18BR MW-18D MW-26BR MW-16BR MW-10BR CW-4 BG-1BRL BG-1BRLR BG-1BR BG-1D MW-32BR MW-7BR MW-33BR CW-3D CW-3 MW-8BR MW-12BR MW-9BR ABMW-2BR ABMW-4BR ABMW-4 ABMW-6 ABMW-6BR LP-6 GMW-7 LP-5 LP-4 LP-3 LP-2 LP-1 GMW-8 PZ-14 ABMW-7BRL ABMW-7 ABMW-7BR ABMW-5 ABMW-5D GMW-2 GMW-2A GMW-1A GMW-1 GMW-6 GMW-11 GMW-10 CW-5 MW-5D MW-5BR MW-11D MW-11BR MW-2BR CW-2D CW-2 SEM O R A R O A D ( N C H W Y 5 7 ) DUNNAWAY ROADDUNNAWAY ROAD LOCKED GATE SW-5 SW-4 RO-10-2 RO-10-1 COOLING TOWER INTAKE BASIN UNIT 3 COOLING TOWER INTAKE POND HEATED WATER DISCHARGE CA N A L SOURCE NOTES: NOT ALL UTILITIES ARE IDENTIFIED ON THIS DRAWING. THE UTILITIES SHOWN ON THIS DRAWING ARE VISUAL AIDS. THE HORIZONTAL AND VERTICAL LOCATIONS OF THE UTLITIES HAVE NOT BEEN FIELD VERIFIED. ANY UTILITIES SHOWN ARE APPROXIMATE. LEGEND MW-1 WELL IN TRANSITION ZONE WELL IN ALLUVIUM/SAPROLITE ZONE MW-15BR WELL IN COMPETENT BEDROCK ZONE ABMW-2 WELL IN ASH PORE WATER 500 ft COMPLIANCE BOUNDARY (APPROXIMATE) PARCEL LINE DUKE ENERGY (APPROXIMATE) ASH BASIN WASTE BOUNDARY (APPROXIMATE) PIEZOMETER IN COMPETENT BEDROCK ZONEMW-21BRL MW-15D PIEZOMETER IN TRANSITION ZONE WATER SUPPLY WELL SAMPLED WATER SAMPLE LOCATION SURFACE WATER FLOW DIRECTION S-18 AOW SAMPLE LOCATION WATER SUPPLY WELL NOT SAMPLED APPROXIMATE STREAM (NON-JD)TOPOGRAPHY IS BASED ON LIDAR BARE EARTH DATA OBTAINED FROM THE FRIS\NORTH CAROLINA FLOOD RISK INFORNATION SYSTEM AT http://fris.nc.gov/fris/Download.aspx?FIPS=031&ST=NC&user=General%20Public AND A DRAWING TITLED AERIAL TOPOGRAPHIC SURVEY-ROXBORO PLANT BY WSP, JOB NUMBER 1570002.000 AND DRAWING FILE NAME ROXBORO FINAL_06--8-15.DWG SOIL SAMPLE BORING APPROXIMATE POND OR RESERVOIR (NON-JD) BG-1BRL WELL IN LOWER COMPETENT BEDROCK ZONE GMW-1A GMW-1 PIEZOMETER IN UNKNOWN ZONE PLANT INTAKE POND POWER HOUSE BIO-REACTOR BUILDING WOODLAND ELEMENTARY SCHOOL WE S T E R N E F F L U E N T D I S C H A R G E C A N A L HEATED WATER DISCHARGE POND ROXBORO STEAM ELECTRIC PLANT 1700 DUNNAWAY RD SEMORA, NORTH CAROLINA PROGRESS FIGURE 14-73 COMPREHENSIVE SOIL AND SEDIMENT DATA WEST ASH BASIN DUKE ENERGY FIG 14-73 (WEST SOIL-SED) ALEX LEFITZ JOHN CHASTAIN / C. NEWELL PROJECT MANAGER: LAYOUT NAME: DRAWN BY: CHECKED BY: CRAIG EADY DATE: DATE: www.synterracorp.com 148 River Street, Suite 220 Greenville, South Carolina 29601 864-421-9999 10/20/17 10/20/17 GRAPHIC SCALE 4002001000200 (IN FEET) MW-4BR MW-4BRL MW-1 MW-2 EAST A S H B A SI N M AI N D A M SOUTH LANDFILL POND BGSB-18 RO-1021 RO-1021 BGSB-18 SW-4 ABMW-2 BG-1 BG-2BR BGSB-2 RO-1004 ABMW-1 ABMW-3 ABMW-3BRABMW-3BRL WEST ASH BASIN APPROXIMATE EFFLUENT CHANNEL APPROXIMATE ASH BASIN PONDED WATER EFFLUENT FLOW DIRECTION MW-6D MW-6BR SLUICE PIPE (ACTIVE)SOIL OR SEDIMENT ID (INTERVAL IN ft. bgs): FLOW LAYER, pH (S.U.), Sb=Antimony (mg/kg): As=Arsenic (mg/kg): Ba=Barium (mg/kg): Be=Beryllium(mg/kg): B= Boron (mg/kg): Cd=Cadmium (mg/kg): Cl= Chloride (mg/kg): Cr (VI)=Hexavalent Chromium (mg/kg): Cr=Total Chromium (mg/kg): Co=Cobalt (mg/kg): Fe=Iron (mg/kg):Mn=Manganese (mg/kg): Mo=Molybdenum (mg/kg): Se=Selenium (mg/kg): Sr=Strontium (mg/kg): SO4=Sulfate (mg/kg): Tl=Thallium (mg/kg): U (Total)= Total Uranium : V=Vanadium (mg/kg) SOIL AND SEDIMENT KEY BLUE 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 DATA DATA NOTES: DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICAL DATA TABLE NOTES FOR QUALIFIER DEFINITIONS. DATA SHOWN ON MAP IS THE MOST RECENT DATA AVAILABLE THROUGH AUGUST 2017. NA=NOT ANALYZED NM=NOT MEASURED WETLAND BY AMEC FOSTER WHEELER WETLAND AND STREAM BOUNDARIES PROVIDED BY AMEC FOSTER WHEELER. NOTE THESE DO NOT APPEAR TO TO BE INCLUSIVE OF ALL THE BOUNDARIES AS SHOWN IN THE AMEC FOSTER WHEELER NRTR ROXBORO REPORT. SEDIMENT SAMPLE LOCATIONWDC-1 ABMW-1BR (83-85): HFO = 2155: KD: =Sb = 45, B = 1, Cr = 161, Co = 2009, Se = 32, Tl = 389. ABMW-1BR (83-85): Surficial: pH = 7.1, Sb = <6.1B = <15.3, Cr = 11, Co = 8, Fe = 13800, Mn = 232, Mo = <3.1, Se = <6.1, Sr = 12, SO4 = <297, Tl = <6.1, V = 31.5. ABMW-1BR ABMW-3 (81-83): Surficial: HFO = 417.3. ABMW-3 (15-17): Surficial: HFO = 584. BG-1BR (33-35): Surficial: pH = 8.1, Sb = <5.9, B = 24.7, Cr = 33.3, Co = 27.7, Fe = 23700, Mn = 280, Mo = 2.6 j, Se = 5.2 j, Sr = 41.1, SO4 = <285, Tl = 3.9 j, V = 87.3. BG-1BR (39-41): Surficial: pH = 8.5, Sb = <5.7, B = <14.3, Cr = 30.9, Co = 19.4, Fe = 25500, Mn = 250, Mo = <2.9, Se = <5.7, Sr = 65.2, SO4 = <275, Tl = <5.7, V = 89.9. MW-2BR (11-13): Surficial: pH = 8.3, Sb = <2.8, B = <2.8, Cr = 5.1, Co = 13.8, Fe = 18000, Mn = 225, Mo = <0.57, Se = <2.8, Sr = 15.1, SO4 = <274, Tl = <2.8, V = 88.9. MW-2BR (2-2.5): Surficial: pH = 6.8, Sb = <3.2, B = <16.2, Cr = 101, Co = 15.8, Fe = 18500, Mn = 545, Mo = <0.65, Se = <3.2, Sr = 27.5, SO4 = <321, Tl = <3.2, V = 123 MW-2BR (11-13): HFO = 137.3: KD: =Sb = 18, B = 1, Cr = 105, Co = 889, Se = 5, Tl = 13992. MW-5BR (5-6): Surficial: pH = 7.3, Sb = <2.6, B = <2.6, Cr = 32.9, Co = 16.6, Fe = 8690, Mn = 233, Mo = <0.53, Se = <2.6, Sr = 31.9, SO4 = <267, Tl = <2.6, V = 27.3. MW-5BR (9.5-11.5): Surficial: pH = 7.4, Sb = <3.2, B = 10.5, Cr = 3.8, Co = 8.8, Fe = 13400, Mn = 137, Mo = <0.63, Se = <3.2, Sr = 25, SO4 = <320, Tl = <3.2, V = 49.8. MW-5BR (15-17): Deep: HFO = 207.3: KD: =Sb = 19, B =IDNA, Cr = 276, Co = 744, Se = 5, Tl = 586. MW-6BR (5-7): Surficial: pH = 7.1, Sb = <2.7, B = 16.9, Cr = 4.4, Co = 8, Fe = 15800, Mn = 426, Mo = <2.7, Se = <2.7, Sr = 29.9, SO4 = <280, Tl = <2.7, V = 37.7: HFO = 216.5. MW-6BR (8-10): Surficial: pH = 7.7, Sb = <2.7, B = 23.4, Cr = 97.4, Co = 16.6, Fe = 20200, Mn = 364, Mo = <2.7, Se = <2.7, Sr = 69.5, SO4 = <279, Tl = <2.7, V = 48.1. MW-11BR (18.75-19.5): Surficial: pH = 8.5, Sb = <1.4, B = 11.3, Cr = 13, Co = 12.6, Fe = 16600, Mn = 245, Mo = <0.68, Se = <1.4, Sr = 16.3, SO4 = <325, Tl = <1.4, V = 50.2. MW-16BR (36-38): Surficial: pH = 8.4, Sb = <6.2, B = <15.5, Cr = 2.5, Co = 5.8 j, Fe = 24600, Mn = 245, Mo = <3.1, Se = <6.2, Sr = 19.5, SO4 = <314, Tl = <6.2, V = 39.5. CF-3 CF-3: pH = NA, Sb = <8.7 N2, B = 12.1, Cr = 55.8, Co = 25.6, Fe = 35500, Mn = 394, Mo = 22.4, Se = 29.9, Sr = 70.9, SO4 = <1020 D3, Tl = <4.4, V = 201. CF-5 CF-05: pH = NA, Sb = <3.3 N2, B = <4.1, Cr = 25.2, Co = 10, Fe = 12500, Mn = 228, Mo = 3.3, Se = 13.4, Sr = 19, SO4 = <452 D3, Tl = <1.6, V = 65.8. CF-1 CF-1: pH = NA, Sb = <3 N2, B = 10.3, Cr = 33.3, Co = 24.2, Fe = 13700, Mn = 415, Mo = 3.1, Se = 9.6, Sr = 64.8, SO4 = <365 D3, Tl = <1.5, V = 100. EF-1 EF-1: pH = NA, Sb = <7.7 N2,M6, B = <9.1, Cr = 21.7, Co = 32.4, Fe = 8870, Mn = 119, Mo = 7.5, Se = 31.6 M6, Sr = 22.6, SO4 = <807 D3, Tl = <3.9, V = 206 M6. EF-3 EF-3: pH = NA, Sb = <3.2 N2, B = <4, Cr = 25.1, Co = 13.9, Fe = 14400, Mn = 355, Mo = 2.4, Se = 6, Sr = 14, SO4 = <406 D3, Tl = <1.6, V = 55.4. LCID LANDFILL (PERMIT NO. 73D-LCID) EAST ASH BASIN AB-1 (40-41): Ash Pore: pH = 6.4, Sb = <4.7, B = 4.7, Cr = 5.6, Co = <4.7, Fe = 1790, Mn = 8.4, Mo = 0.98, Se = <4.7, Sr = 14.2, SO4 = <458, Tl = <4.7, V = 5.6. AB-1 (3-5): Ash Pore: pH = 6.2, Sb = <4, B = 3.7 j, Cr = 2.1, Co = <4, Fe = 1560, Mn = 5.7, Mo = <0.8, Se = <4, Sr = 11.2, SO4 = <408, Tl = <4, V = 4.2. AB-1 (75.5-77.5): Ash Pore: pH = 7.3, Sb = <4.1, B = 6.7, Cr = 7.2, Co = 3.5 j, Fe = 2260, Mn = 12.6, Mo = 1.2, Se = 2.6 j, Sr = 23.6, SO4 = <407, Tl = <4.1, V = 10.3. AB-1 AB-2 AB-2 (39-40): Ash Pore: pH = 7.6, Sb = <4.1, B = 34.5, Cr = 12.2, Co = 6.3, Fe = 3850, Mn = 38.3, Mo = 4.8, Se = 17.5, Sr = 82.2, SO4 = 699, Tl = <4.1, V = 31.4. AB-2 (4-5): Ash Pore: pH = 7.3, Sb = <4.2, B = 68.3, Cr = 22.3, Co = 15.5, Fe = 4130, Mn = 36.7, Mo = 9.8, Se = 38, Sr = 162, SO4 = 4940, Tl = <4.2, V = 84.3. AB-2 (76-78): Ash Pore: pH = 7.2, Sb = <4, B = 46.5, Cr = 17.9, Co = 10.8, Fe = 4330, Mn = 42.6, Mo = 4.9, Se = 28.5, Sr = 158, SO4 = 1460, Tl = <4, V = 65.6. AB-02 (80-82): Ash Pore: pH = 7.4, Sb = <6.3, B = 11.7 j, Cr = 19.2, Co = 6 j, Fe = 13300, Mn = 182, Mo = <3.1, Se = <6.3, Sr = 8.5, SO4 = <307, Tl = <6.3, V = 40.3. . AB-3 AB-3 (8-10): Ash Pore: pH = 4.5, Sb = <7, B = <17.5, Cr = 9.3, Co = 13.6, Fe = 28600, Mn = 316, Mo = <3.5, Se = <7, Sr = 19.5, SO4 = 342 j, Tl = <7, V = 70.7. AB-3 (3-5): Ash Pore: pH = 3.9, Sb = <5.7, B = <14.2, Cr = 1.3 j, Co = <5.7, Fe = 964, Mn = 2.9, Mo = <2.8, Se = <5.7, Sr = 4.3, SO4 = <279, Tl = <5.7, V = <5.7. AB-3 (12-14): Ash Pore: pH = 4.4, Sb = <6.5, B = <16.2, Cr = 25.7, Co = 15.5, Fe = 21600, Mn = 414, Mo = <3.2, Se = <6.5, Sr = 34.6, SO4 = 422, Tl = <6.5, V = 51.2. AB-4 AB-4 (50-52): Surficial: pH = 6.7, Sb = <5.9, B = 14.9, Cr = 15.9, Co = 33, Fe = 20100, Mn = 1240, Mo = <3, Se = <5.9, Sr = 11.3, SO4 = <301, Tl = <5.9, V = 95.2 AB-4 (14-15): Ash Pore: pH = 7.6, Sb = <3.2, B = 36.9, Cr = 22.3, Co = 13.7, Fe = 4280, Mn = 37.3, Mo = 2, Se = 8.9, Sr = 191, SO4 = 2980, Tl = <3.2, V = 69.4. AB-4 (51-53): Ash Pore: pH = 7.2, Sb = <3.5, B = 32.4, Cr = 14.5, Co = 5.6, Fe = 7460, Mn = 43.3, Mo = 2.7, Se = 10.3, Sr = 81.1, SO4 = 817, Tl = <3.5, V = 32.9. AB-4 (52-53): Ash Pore: HFO = 225.9. AB-4 (56-58): Surficial: pH = 6.6, Sb = <7.5, B = 22.4, Cr = 24.9, Co = 28.1, Fe = 34000, Mn = 413, Mo = <3.7, Se = <7.5, Sr = 41.8, SO4 = <387, Tl = <7.5, V = 128. AB-5 LP-3 AB-5 (38-40): Ash Pore: pH = 7.8, Sb = <4.8, B = 6.4, Cr = 4.4, Co = 2.4 j, Fe = 3610, Mn = 28.4, Mo = 0.5 j, Se = <4.8, Sr = 59.3, SO4 = 249 j, Tl = <4.8, V = 12. AB-5 (3-5): Ash Pore: pH = 4, Sb = <2.9, B = <14.7, Cr = 18.1, Co = 20.9, Fe = 14700, Mn = 123, Mo = <0.59, Se = 5.4, Sr = 42.9, SO4 = 2550, Tl = <2.9, V = 59.5. AB-5 (42-47): Ash Pore: HFO = 344.8. AB-5 (72-77): Surficial: HFO = 248.8. AB-5 (58-60): Surficial: pH = 7.3, Sb = <3.7, B = <3.7, Cr = 18.5, Co = 13, Fe = 16000, Mn = 321, Mo = 0.68 j, Se = <3.7, Sr = 43.5, SO4 = 246 j, Tl = <3.7, V = 50.8. AB-5 (48-50): Ash Pore: pH = 7.2, Sb = <3.3, B = 25.5 j, Cr = 33.9, Co = 9, Fe = 11200, Mn = 92.6, Mo = 1.5, Se = 12.3, Sr = 152, SO4 = 391, Tl = 1.7 j, V = 60.6. AB-5 (68-70): Surficial: pH = 6.8, Sb = <3.3, B = <3.3, Cr = 4.2, Co = 5.7, Fe = 6570, Mn = 127, Mo = 0.74, Se = <3.3, Sr = 17.1, SO4 = 280 j, Tl = <3.3, V = 19.2. AB-6 AB-6 (35-37): Ash Pore: pH = 7.9, Sb = <3.3, B = 6.4, Cr = 3, Co = 2.6 j, Fe = 2510, Mn = 7.5, Mo = 2.3, Se = 2.4 j, Sr = 22.8, SO4 = 360, Tl = <3.3, V = 8.5. AB-6 (3-5): Ash Pore: pH = 6.5, Sb = <3.7, B = 12.2, Cr = 18.8, Co = 13.2, Fe = 11500, Mn = 139, Mo = 7.1, Se = 4.3, Sr = 97.4, SO4 = <375, Tl = <3.7, V = 66. AB-6 (61-62): Surficial: pH = 7.5, Sb = <3, B = <3, Cr = 0.65, Co = 1.7 j, Fe = 7390, Mn = 136, Mo = <0.59, Se = <3, Sr = 8.8, SO4 = <298, Tl = <3, V = 6.1. AB-6 (56-58): Surficial: pH = 7.3, Sb = <3.8, B = 18.1, Cr = 15, Co = 8.7, Fe = 8000, Mn = 42.7, Mo = 16.9, Se = 11.3, Sr = 109, SO4 = 555, Tl = <3.8, V = 42.2. AB-6 (62-64): Surficial: pH = 8.4, Sb = <2.6, B = 5.9, Cr = 2.7, Co = 1.7 j, Fe = 6390, Mn = 130, Mo = 0.32 j, Se = <2.6, Sr = 10.3, SO4 = <264, Tl = <2.6, V = 5.9. AB-6 (65-67): Surficial: pH = 8.3, Sb = <2.5, B = 5.8, Cr = 10.6, Co = 5.1, Fe = 6780, Mn = 137, Mo = <0.51, Se = <2.5, Sr = 12.8, SO4 = <256, Tl = <2.5, V = 12.3. AB-7 AB-7 (42-47): Ash Pore: HFO = 344.8. AB-7 (3-5): Ash Pore: pH = 6.7, Sb = <3.9, B = 32.6, Cr = 23.7, Co = 14, Fe = 7310, Mn = 51.8, Mo = 1.9, Se = 10.8, Sr = 123, SO4 = 575, Tl = <3.9, V = 68.2. AB-7 (76-78): Ash Pore: pH = 7.1, Sb = <3.1, B = 25.4, Cr = 22.8, Co = 10.3, Fe = 7360, Mn = 61, Mo = 5, Se = 22.7, Sr = 98.4, SO4 = 398, Tl = <3.1, V = 60.4. AB-7 (46-47): Ash Pore: pH = 8.2, Sb = <4.2, B = 71, Cr = 24.2, Co = 6.2, Fe = 4420, Mn = 48.9, Mo = 4.9, Se = 8.2, Sr = 191, SO4 = 1130, Tl = <4.2, V = 52.4. AB-7 (80-82): Surficial: pH = 8.1, Sb = <3.1, B = 9.6, Cr = 4.4, Co = 10.6, Fe = 11800, Mn = 87.5, Mo = <0.62, Se = <3.1, Sr = 40.7, SO4 = <292, Tl = <3.1, V = 37.6. AB-7 (82-87): Surficial: KD: = Sb = 21, B = 1, Cr = 696, Co = 8924, Se = 3, Tl = 1164. BG-1BR (0-2): Surficial: pH = 5.8, Sb = <5.9, B = <14.8, Cr = 4.7, Co = <5.9, Fe = 13800, Mn = 70.1, Mo = <3, Se = <5.9, Sr = 6, SO4 = <278, Tl = <5.9, V = 26.9. MW-10BR (0-2): Surficial: pH = 5.6, Sb = <7.2, B = <18, Cr = 10.7, Co = 5.6 j, Fe = 31400, Mn = 57.8, Mo = <3.6, Se = <7.2, Sr = 8.3, SO4 = <359, Tl = <7.2, V = 94.7. MW-4 (23-25): Surficial: pH = 8.3, Sb = <5.9, B = <14.9, Cr = 81.8, Co = 13.7, Fe = 13800, Mn = 284, Mo = <3, Se = <5.9, Sr = 20, SO4 = <300, Tl = <5.9, V = 29.4. MW-4 (29-31): Surficial: pH = 7.9, Sb = <6.5, B = <16.3, Cr = 8.3, Co = 10.3, Fe = 14900, Mn = 156, Mo = <3.3, Se = <6.5, Sr = 18.1, SO4 = <330, Tl = <6.5, V = 40.5. MW-4 (0-2): Surficial: pH = 7.7, Sb = <5.1, B = <12.8, Cr = 27.9, Co = 14.3, Fe = 19100, Mn = 328, Mo = <2.6, Se = <5.1, Sr = 18.3, SO4 = <258, Tl = <5.1, V = 49.8. MW-5BR (1-2): Surficial: pH = 7.4, Sb = <2.8, B = <2.8, Cr = 5.2, Co = 11.7, Fe = 14400, Mn = 235, Mo = <0.56, Se = <2.8, Sr = 18.3, SO4 = 178 j, Tl = <2.8, V = 66. MW-6BR (0-2): Surficial: pH = 6.2, Sb = <3, B = 26.9, Cr = 37.3, Co = 22.2, Fe = 22700, Mn = 663, Mo = <3, Se = <3, Sr = 14.7, SO4 = <309, Tl = <6, V = 77.6. MW-7 (2-5): Surficial: HFO = 169.8. MW-7 (0-2): Surficial: pH = 6.2, Sb = <7.8, B = <19.5, Cr = 24.1, Co = 21.4, Fe = 49400, Mn = 358, Mo = <3.9, Se = <7.8, Sr = 20.2, SO4 = <371, Tl = <7.8, V = 177. MW-8 (14-16): Surficial: pH = 7.6, Sb = <5.2, B = <13.1, Cr = 0.82 j, Co = 4.6 j, Fe = 10200, Mn = 222, Mo = <2.6, Se = <5.2, Sr = 13.7, SO4 = <263, Tl = <5.2, V = 21.6: HFO = 148.7. MW-8 (0-2): Surficial: pH = 5.7, Sb = <6.9, B = <17.2, Cr = 1.5 j, Co = 3.5 j, Fe = 11200, Mn = 87.4, Mo = <3.4, Se = <6.9, Sr = 14.6, SO4 = <336, Tl = <6.9, V = 21.8. MW-8 (21-23): Surficial: pH = 7.3, Sb = <5.7, B = <14.2, Cr = 17.4, Co = 15.3, Fe = 20500, Mn = 496, Mo = <2.8, Se = <5.7, Sr = 97.2, SO4 = <283, Tl = <5.7, V = 43.1. MW-8 (26-31): Deep: KD: = Sb = 10, B =IDNA, Cr = 102, Co = 480, Se = 5, Tl = 586. MW-9 (0-2): Surficial: pH = 7.5, Sb = <7.3, B = <18.3, Cr = 9.6, Co = 10, Fe = 20100, Mn = 322, Mo = <3.7, Se = <7.3, Sr = 41.9, SO4 = <356, Tl = <7.3, V = 73.6. MW-11BR (1.5-2): Surficial: pH = 8.1, Sb = <1.3, B = 10.9, Cr = 15.7, Co = 17.4, Fe = 15500, Mn = 530, Mo = <0.64, Se = <1.3, Sr = 17.7, SO4 = <316, Tl = <1.3, V = 55.3. MW-12 (0-2): Surficial: pH = 7.3, Sb = <5.7, B = <14.2, Cr = 10.5, Co = <5.7, Fe = 16500, Mn = 269, Mo = <2.8, Se = <5.7, Sr = 22.8, SO4 = <284, Tl = <5.7, V = 38.8. MW-18 MW-4 MW-7 MW-12 MW-8 MW-9 MW-15 MW-15 (4-9): Surficial: HFO = 1091. MW-15 (0-2): Surficial: pH = 5.5, Sb = <6.6, B = 30.9, Cr = 120, Co = 26.3, Fe = 50500, Mn = 230, Mo = <3.3, Se = <6.6, Sr = 18.2, SO4 = <335, Tl = <6.6, V = 201. MW-15 (24-31): Surficial: KD: = Sb = 15, B =IDNA, Cr = 81, Co = 1730, Se = 8, Tl = 1213. MW-15 (31-33): Surficial: pH = 7.3, Sb = <6.5, B = 26.8, Cr = 55.4, Co = 58, Fe = 40300, Mn = 488, Mo = <3.2, Se = <6.5, Sr = 115, SO4 = <312, Tl = <6.5, V = 56.4. MW-15 (34-35): Surficial: pH = 7.9, Sb = <5.4, B = 21.8, Cr = 36.4, Co = 45.8, Fe = 34900, Mn = 436, Mo = <2.7, Se = <5.4, Sr = 246, SO4 = <265, Tl = <5.4, V = 31. MW-16MW-16 (0-2): Surficial: pH = 7.7, Sb = <6, B = <14.9, Cr = 10.6, Co = 20.7, Fe = 23700, Mn = 168, Mo = <3, Se = <6, Sr = 23.2, SO4 = <290, Tl = <6, V = 43.6. MW-18 (8-10): Surficial: HFO = 200.3: KD: = Sb = 9, B = 1, Cr = 54, Co = 432, Se = 9, Tl = 868 MW-18 (28-30): Surficial: KD: =Sb = 9, B =IDNA, Cr = 410, Co = 2246, Se = 8, Tl = 3349 MW-18 (31-33): Surficial: pH = 7.3, Sb = <6, B = <15, Cr = 1.9, Co = <6, Fe = 7000, Mn = 353, Mo = <3, Se = <6, Sr = 8, SO4 = <292, Tl = <6, V = 3.1 j.. MW-18 (37-38): Surficial: pH = 7.3, Sb = <6.1, B = <15.3, Cr = 1.3 j, Co = <6.1, Fe = 3410, Mn = 175, Mo = <3.1, Se = <6.1, Sr = 6.7, SO4 = <296, Tl = <6.1, V = <6.1. MW-18 (0-2): Surficial: pH = 5.7, Sb = <6.9, B = <17.1, Cr = 2.8, Co = <6.9, Fe = 7680, Mn = 39.1, Mo = <3.4, Se = <6.9, Sr = 6.1, SO4 = <331, Tl = <6.9, V = 9.9. NPDES REGULATED PLANT WATER FEATURE WITH FLOW DIRECTION INDUSTRIAL LANDFILL (PERMIT NO. 7302-INDUS) NS=NOT SAMPLED HFO=HYDROXIDE PHASES OF IRON KD=DISTRIBUTION COEFFICIENT BGSB-02 (7-8): Surficial, pH=7.43, Sb=<0.44, B=<2.5, Cr=4.5, Co=5.5, Fe=7100, Mn=46, Mo=<2, Se=0.3 j, Sr=7.9, SO4=<11, Tl=0.062 j, V=31 BGSB-02 (4-5): Surficial, pH=6.78, Sb=<0.48 M, B=<5.7 M, Cr=39 M, Co=19, Fe=35000 M, Mn=200 M, Mo=0.63 j,M, Se=1.2 j, Sr=29 M, SO4=<11, Tl=0.093 j, V=120 BGSB-18 (7-8): Surficial, pH=6.98, Sb=0.096 j,B, B=<2.9, Cr=4.3, Co=3.3, Fe=12000, Mn=82, Mo=<2.3, Se=0.38 j, Sr=9, SO4=<12, Tl=0.05 j, V=20 BGSB-18 (9-10): Surficial, pH=7.69, Sb=<0.47, B=<2.4, Cr=5.2, Co=4.3, Fe=9900, Mn=73, Mo=<1.9, Se=0.74 j, Sr=8.6, SO4=<11, Tl=0.045 j, V=30 BGSB-18 (12-13): Surficial, pH=8.76, Sb=<0.4, B=<2.1, Cr=1.8, Co=1.6, Fe=7200, Mn=61, Mo=<1.7, Se=1, Sr=10, SO4=<10, Tl=0.03 j, V=9.6 BGSB-18 (2-3): Surficial, pH=7.18, Sb=<0.5, B=<2.7, Cr=15, Co=5, Fe=15000, Mn=47, Mo=<2.1, Se=0.65 j, Sr=9.9, SO4=7.6 j, Tl=0.1 j, V=47 BGSB-18 (4-5): Surficial, pH=7.11, Sb=0.21 j,B, B=<1.9, Cr=6.9, Co=2.2, Fe=9700, Mn=39, Mo=<1.5, Se=0.37 j, Sr=4.6, SO4=<11, Tl=0.055 j, V=19 MW-21BRL FOR CONTINUATION SEE FIGURE 14-70 10/27/2017 6:43 PM P:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\CSA Update Oct 2017\DWG\DE ROXBORO CSAUP BASE MAP.dwgDATE PRINTED:FILE PATH: LOCKED GATE WAB EXTENSION IMPOUNDMENT FILTER DIKEWESTERN EFFLUENT DISCHARGE CANALWEST A S H B A S I N MAIN D A M WEST FGD POND EAST FGD POND FGD FLUSH POND 7 ENG I N E E R T O E D R A I N S S01 TH R U S 0 7 GUARD HOUSE FLOW WAB EXTENSION IMPOUNDMENT S-6 (NS) CONTRACTOR TRAILERS OUTLET STRUCTURES STAIRS DISCHARGE DISCHARGE SWITCHYARD SWITCHYARD 230Kv SWITCHYARD SLUICE PIPE (INACTIVE)MW-15BR MW-15D MW-31BR MW-18BR MW-18D MW-26BR MW-16BR MW-10BR CW-4 BG-1BRL BG-1BRLR BG-1BR BG-1D MW-32BR MW-7BR MW-33BR CW-3D CW-3 MW-8BR MW-12BR MW-9BR ABMW-2BR ABMW-4BR ABMW-4 ABMW-6 ABMW-6BR LP-6 GMW-7 LP-5 LP-4 LP-3 LP-2 LP-1 MW-21BRL GMW-8 PZ-14 ABMW-7BRL ABMW-7 ABMW-7BR ABMW-5 ABMW-5D GMW-2 GMW-2A GMW-1A GMW-1 GMW-6 GMW-11 GMW-10 CW-5 MW-5D MW-5BR MW-11D MW-11BR MW-2BR CW-2D CW-2 SEM O R A R O A D ( N C H W Y 5 7 ) DUNNAWAY ROADDUNNAWAY ROAD LOCKED GATE RO-10-2 RO-10-1 COOLING TOWER INTAKE BASIN UNIT 3 COOLING TOWER INTAKE POND HEATED WATER DISCHARGE CA N A L PLANT INTAKE POND POWER HOUSE BIO-REACTOR BUILDING WOODLAND ELEMENTARY SCHOOL WE S T E R N E F F L U E N T D I S C H A R G E C A N A L HEATED WATER DISCHARGE POND ROXBORO STEAM ELECTRIC PLANT 1700 DUNNAWAY RD. SEMORA, NORTH CAROLINA PROGRESS FIGURE 14-74 COMPREHENSIVE SURFACE WATER AND AOW DATA WEST ASH BASIN DUKE ENERGY FIG 14-74 (WEST SW-AOW) ALEX LEFITZ JOHN CHASTAIN/ C. NEWELL PROJECT MANAGER: LAYOUT NAME: DRAWN BY: CHECKED BY: CRAIG EADY DATE: DATE: www.synterracorp.com 148 River Street, Suite 220 Greenville, South Carolina 29601 864-421-9999 10/23/17 10/23/17 GRAPHIC SCALE 4002001000200 (IN FEET) MW-4BR MW-4BRL MW-1 MW-2 EAST A S H B A SI N M AI N D A M SOUTH LANDFILL POND BGSB-18 RO-1021 ABMW-2 BG-1 BG-2BR BGSB-2 RO-1004 ABMW-1 ABMW-1BR ABMW-3 ABMW-3BR ABMW-3BRL WEST ASH BASIN MW-6D MW-6BR SLUICE PIPE (ACTIVE)SOURCE NOTES: NOT ALL UTILITIES ARE IDENTIFIED ON THIS DRAWING. THE UTILITIES SHOWN ON THIS DRAWING ARE VISUAL AIDS. THE HORIZONTAL AND VERTICAL LOCATIONS OF THE UTLITIES HAVE NOT BEEN FIELD VERIFIED. ANY UTILITIES SHOWN ARE APPROXIMATE. LEGEND MW-1 WELL IN TRANSITION ZONE WELL IN ALLUVIUM/SAPROLITE ZONE MW-15BR WELL IN COMPETENT BEDROCK ZONE ABMW-2 WELL IN ASH PORE WATER 500 ft COMPLIANCE BOUNDARY (APPROXIMATE) PARCEL LINE DUKE ENERGY (APPROXIMATE) ASH BASIN WASTE BOUNDARY (APPROXIMATE) PIEZOMETER IN COMPETENT BEDROCK ZONEMW-21BRL MW-15D PIEZOMETER IN TRANSITION ZONE WATER SUPPLY WELL SAMPLED WATER SAMPLE LOCATION SURFACE WATER FLOW DIRECTION S-18 AOW SAMPLE LOCATION WATER SUPPLY WELL NOT SAMPLED APPROXIMATE STREAM (NON-JD) TOPOGRAPHY IS BASED ON LIDAR BARE EARTH DATA OBTAINED FROM THE FRIS\NORTH CAROLINA FLOOD RISK INFORNATION SYSTEM AT http://fris.nc.gov/fris/Download.aspx?FIPS=031&ST=NC&user=General%20Public AND A DRAWING TITLED AERIAL TOPOGRAPHIC SURVEY-ROXBORO PLANT BY WSP, JOB NUMBER 1570002.000 AND DRAWING FILE NAME ROXBORO FINAL_06--8-15.DWG SOIL SAMPLE BORING APPROXIMATE POND OR RESERVOIR (NON-JD) BG-1BRL WELL IN LOWER COMPETENT BEDROCK ZONE GMW-1A GMW-1 PIEZOMETER IN UNKNOWN ZONE RO-1021 BGSB-18 SW-4 APPROXIMATE EFFLUENT CHANNEL APPROXIMATE ASH BASIN PONDED WATER EFFLUENT FLOW DIRECTION WETLAND BY AMEC FOSTER WHEELER WETLAND AND STREAM BOUNDARIES PROVIDED BY AMEC FOSTER WHEELER. NOTE THESE DO NOT APPEAR TO TO BE INCLUSIVE OF ALL THE BOUNDARIES AS SHOWN IN THE AMEC FOSTER WHEELER NRTR ROXBORO REPORT. SW-4: pH=7.4, Eh=162.4, Sb=<1, B=<50, Cr=<1, Co=<1, Fe=1610, Mn=62, Mo=<1, Se=<1, Sr=30, SO4=3.2, TDS=74, Tl=<0.2, V=0.802 SW-5: pH=6.6, Eh=278, Sb=<1, B=<50, Cr=<1, Co=<1, Fe=329, Mn=38, Mo=<1, Se=<1, Sr=74, SO4=19, TDS=110, Tl=<0.2, V=1.4 WAB-01: pH=7.8 S, Eh=287, Sb=<1, B=1440, Cr=<1, Co=NA, Fe=158, Mn=109, Mo=44.4, Se=1.75, Sr=NA, SO4=64, TDS=300, Tl=<0.2, V=NA S-1: pH=7.2, Eh=187.8, Sb=<1, B=2920, Cr=<1, Co=NA, Fe=9550, Mn=6050, Mo=4.53, Se=<1, Sr=NA, SO4=1100, TDS=1600, Tl=0.441, V=NA S-2: pH=6.43, Eh=194.1, Sb=<1, B=3740, Cr=<1, Co=NA, Fe=19500, Mn=17700, Mo=1.69, Se=<1, Sr=NA, SO4=1500, TDS=2300, Tl=<0.2, V=NA S-3: pH=6.46, Eh=202.9, Sb=<1, B=3810, Cr=<1, Co=NA, Fe=8470, Mn=12900, Mo=6.87, Se=<1, Sr=NA, SO4=1100, TDS=2000, Tl=<0.2, V=NA S-4: pH=7.1 S, Eh=149.2, Sb=<1, B=5580, Cr=<1, Co=NA, Fe=14700, Mn=7090, Mo=23.6, Se=<1, Sr=NA, SO4=670, TDS=1600, Tl=<0.2, V=NA S-07: pH=7.12, Eh=135.5, Sb=<1, B=11600, Cr=<1, Co=NA, Fe=1760, Mn=9240, Mo=27.2, Se=<1, Sr=NA, SO4=750, TDS=3000, Tl=<0.2, V=NA S-08: pH=6.69, Eh=156.1, Sb=<1, B=27100, Cr=<1, Co=NA, Fe=19100, Mn=11500, Mo=41.7, Se=<1, Sr=NA, SO4=830, TDS=5100, Tl=<0.2, V=NA S-18: pH=8 S, Eh=292.7, Sb=<1, B=3310, Cr=<1, Co=NA, Fe=87, Mn=135, Mo=74.7, Se=<1, Sr=NA, SO4=650, TDS=1200, Tl=<0.2, V=NA SW-5 WDC-3 EF-4 SW: pH=8, Eh=260.8, Sb=<1, B=701, Cr=<1, Co=<1, Fe=181, Mn=50, Mo=48.7, Se=1.76, Sr=234, SO4=38, TDS=160, Tl=<0.2, V=5.82 EF-4 DW: pH=7.5, Eh=254.8, Sb=<1, B=696, Cr=<1, Co=<1, Fe=444, Mn=105, Mo=47.3, Se=1.8, Sr=236, SO4=36, TDS=160, Tl=<0.2, V=5.98 EF-2 SW: pH=8.1, Eh=214.4, Sb=<1, B=797, Cr=<1, Co=<1, Fe=137, Mn=45, Mo=50.4, Se=1.81, Sr=259, SO4=41, TDS=180, Tl=<0.2, V=6.77 EF-2 DW: pH=6.9, Eh=118.1, Sb=<1, B=731, Cr=1.78, Co=3.68, Fe=6080, Mn=2440, Mo=52.4, Se=1.5, Sr=277, SO4=31, TDS=180, Tl=<0.2, V=12.6 CF-4 SW: pH=7.9, Eh=397.5, Sb=<1, B=772, Cr=<1, Co=<1, Fe=241, Mn=53, Mo=52, Se=1.7, Sr=249, SO4=40, TDS=190, Tl=0.2, V=7.21 CF-4 DW: pH=6.9, Eh=224, Sb=<1, B=740, Cr=1.72, Co=3.67, Fe=6570, Mn=2610, Mo=56.7, Se=1.42, Sr=280, SO4=33, TDS=200, Tl=<0.2, V=12.2 CF-2 SW: pH=8, Eh=334.4, Sb=<1, B=800, Cr=<1, Co=<1, Fe=128, Mn=45, Mo=55.1, Se=1.82, Sr=257, SO4=43, TDS=200, Tl=0.258, V=8.07 WF-4 SW: pH=8, Eh=302.5, Sb=<1, B=773, Cr=<1, Co=<1, Fe=243, Mn=66, Mo=50.7, Se=1.92, Sr=252, SO4, TDS=170, Tl=<0.2, V=6.94 WF-4 DW: pH=7.8, Eh=311, Sb=<1, B=770, Cr=<1, Co=<1, Fe=288, Mn=77, Mo=51.4, Se=1.97, Sr=251, SO4=41, TDS=180, Tl=0.203, V=7.3 WF-2 SW: pH=8.1, Eh=211.4, Sb=<1, B=799, Cr=<1, Co=<1, Fe=163, Mn=53, Mo=51, Se=1.88, Sr=258, SO4=41, TDS=170, Tl=0.239, V=7.19 WF-2 DW: pH=7, Eh=94.5, Sb=<1, B=798, Cr=1.93, Co=3.2, Fe=13400, Mn=4420, Mo=44.2, Se=1.56, Sr=345, SO4=21, TDS=210, Tl=<0.2, V=14.8 WDC-1: pH=8.2, Eh=15, Sb=<1, B=885, Cr=<1, Co=<1, Fe=306, Mn=115, Mo=44.9, Se=1.69, Sr=256, SO4=45, TDS=200, Tl=<0.2, V=2.61 WDC-2: pH=7.6, Eh=111.2, Sb=<1, B=894, Cr=<1, Co=<1, Fe=348, Mn=132, Mo=44, Se=1.52, Sr=257, SO4=45, TDS=180, Tl=<0.2, V=2.84 WDC-3: pH=7.5, Eh=554.5, Sb=<1, B=877, Cr=<1, Co=<1, Fe=489, Mn=173, Mo=45.7, Se=1.52, Sr=253, SO4=46, TDS=180, Tl=<0.2 B3, V=3.61 WDC-4: pH=7.4, Eh=342.4, Sb=<1, B=895, Cr=<1, Co=<1, Fe=515, Mn=253, Mo=45, Se=1.6, Sr=259, SO4=45, TDS=200, Tl=<0.2 B3, V=3.64 WDC-5: pH=7.4, Eh=341.6, Sb=<1, B=1010, Cr=<1, Co=<1, Fe=499, Mn=306, Mo=45, Se=1.64, Sr=261, SO4=46, TDS=190, Tl=<0.2 B3, V=3.32=3.64 WDC-6: pH=7.2, Eh=347.7, Sb=<1, B=1210, Cr=<1, Co=<1, Fe=491, Mn=267, Mo=45.8, Se=2.55, Sr=282, SO4=50, TDS=230, Tl=<0.2 B3, V=4.39 LCID LANDFILL (PERMIT NO. 73D-LCID) EAST ASH BASIN Sample ID: pH (S.U.), Eh (mV) Sb=Antimony (ug/L): As=Arsenic (ug/L): Ba=Barium (ug/L): Be=Beryllium(ug/L): B= Boron (ug/L): Cd=Cadmium (ug/L): Cl= Chloride (mg/L): Cr (VI)=Hexavalent Chromium (ug/L): Cr=Total Chromium (ug/L): Co=Cobalt (ug/L): Fe=Iron (ug/L):Mn=Manganese (ug/L): Mo=Molybdenum (ug/L): Se=Selenium (ug/L): Sr=Strontium (ug/L): SO4=Sulfate (mg/L): Tl=Thallium (ug/L): TDS=Total Dissolved Solids (mg/L): U (Total)= Total Uranium : V=Vanadium (ug/L) DATA NOTES: DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICAL DATA TABLE NOTES FOR QUALIFIER DEFINITIONS. DATA SHOWN ON MAP IS THE MOST RECENT DATA AVAILABLE THROUGH AUGUST 2017. NA=NOT ANALYZED NM=NOT MEASURED NS=NOT SAMPLED SAMPLE KEY DW = DEEP WATER SW = SHALLOW WATER S-5 (NS) S-20 (NS) S-23 (NS) S-22 (NS) NPDES REGULATED PLANT WATER FEATURE WITH FLOW DIRECTION INDUSTRIAL LANDFILL (PERMIT NO. 7302-INDUS)FOR CONTINUATION SEE FIGURE 14-71 10/27/2017 6:45 PM P:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\CSA Update Oct 2017\DWG\DE ROXBORO CSAUP BASE MAP.dwgDATE PRINTED:FILE PATH: LOCKED GATE WAB EXTENSION IMPOUNDMENT FILTER DIKEWESTERN EFFLUENT DISCHARGE CANALWEST A S H B A S I N M A I N D A M WEST FGD POND EAST FGD POND FGD FLUSH POND 7 ENG I N E E R T O E D R A I N S S01 TH R U S 0 7 GUARD HOUSE FLOW WAB EXTENSION IMPOUNDMENT S-18 S-20 S-8 S-7 S-6 S-5 S-1S-2S-3 S-4 S-22 S-23 CONTRACTOR TRAILERS OUTLET STRUCTURES STAIRS DISCHARGE DISCHARGE SWITCHYARD SWITCHYARD 230Kv SWITCHYARD SLUICE PIPE (INACTIVE)ABMW-4BR ABMW-4 ABMW-6 ABMW-6BR LP-6 GMW-7 LP-5 LP-4 LP-3 LP-2 LP-1 MW-21BRL GMW-8 PZ-14 ABMW-7BRL ABMW-7 ABMW-7BR ABMW-5 ABMW-5D GMW-2 GMW-2A GMW-1A GMW-1 GMW-6 GMW-11 GMW-10 MW-11D MW-11BR SEM O R A R O A D ( N C H W Y 5 7 ) DUNNAWAY ROADDUNNAWAY ROAD LOCKED GATE SW-5 SW-4 COOLING TOWER INTAKE BASIN UNIT 3 COOLING TOWER INTAKE POND HEATED WATER DISCHARGE CA N A L SOURCE NOTES: NOT ALL UTILITIES ARE IDENTIFIED ON THIS DRAWING. THE UTILITIES SHOWN ON THIS DRAWING ARE VISUAL AIDS. THE HORIZONTAL AND VERTICAL LOCATIONS OF THE UTLITIES HAVE NOT BEEN FIELD VERIFIED. ANY UTILITIES SHOWN ARE APPROXIMATE. LEGEND MW-1 WELL IN TRANSITION ZONE WELL IN ALLUVIUM/SAPROLITE ZONE MW-15BR WELL IN COMPETENT BEDROCK ZONE ABMW-2 WELL IN ASH PORE WATER 500 ft COMPLIANCE BOUNDARY (APPROXIMATE) PARCEL LINE DUKE ENERGY (APPROXIMATE) ASH BASIN WASTE BOUNDARY (APPROXIMATE) PIEZOMETER IN COMPETENT BEDROCK ZONEMW-21BRL MW-15D PIEZOMETER IN TRANSITION ZONE WATER SUPPLY WELL SAMPLED WATER SAMPLE LOCATION SURFACE WATER FLOW DIRECTION S-18 AOW SAMPLE LOCATION WATER SUPPLY WELL NOT SAMPLED APPROXIMATE STREAM (NON-JD) TOPOGRAPHY IS BASED ON LIDAR BARE EARTH DATA OBTAINED FROM THE FRIS\NORTH CAROLINA FLOOD RISK INFORNATION SYSTEM AT http://fris.nc.gov/fris/Download.aspx?FIPS=031&ST=NC&user=General%20Public AND A DRAWING TITLED AERIAL TOPOGRAPHIC SURVEY-ROXBORO PLANT BY WSP, JOB NUMBER 1570002.000 AND DRAWING FILE NAME ROXBORO FINAL_06--8-15.DWG SOIL SAMPLE BORING APPROXIMATE POND OR RESERVOIR (NON-JD) BG-1BRL WELL IN LOWER COMPETENT BEDROCK ZONE GMW-1A GMW-1 PIEZOMETER IN UNKNOWN ZONE PLANT INTAKE POND POWER HOUSE BIO-REACTOR BUILDING WOODLAND ELEMENTARY SCHOOL WE S T E R N E F F L U E N T D I S C H A R G E C A N A L HEATED WATER DISCHARGE POND ROXBORO STEAM ELECTRIC PLANT 1700 DUNNAWAY RD. SEMORA, NORTH CAROLINA PROGRESS FIGURE 14-75 COMPREHENSIVE GROUNDWATER DATA WEST ASH BASIN DUKE ENERGY FIG 14-75 (WEST GW DATA) ALEX LEFITZ JOHN CHASTAIN\ C. NEWELL PROJECT MANAGER: LAYOUT NAME: DRAWN BY: CHECKED BY: CRAIG EADY DATE: DATE: www.synterracorp.com 148 River Street, Suite 220 Greenville, South Carolina 29601 864-421-9999 10/23/17 10/23/17 GRAPHIC SCALE 4002001000200 (IN FEET) EAST A S H B A SI N M AI N D A M SOUTH LANDFILL POND BGSB-18 RO-1021 BGSB-18 SW-4 BGSB-2 WEST ASH BASIN APPROXIMATE EFFLUENT CHANNEL APPROXIMATE ASH BASIN PONDED WATER EFFLUENT FLOW DIRECTION SLUICE PIPE (ACTIVE)Well ID (SCREENED INTERVAL IN ft. bgs): pH (S.U.), Eh (mV), k= hydraulic conductivity (ft/day) Sb=Antimony (ug/L): As=Arsenic (ug/L): Ba=Barium (ug/L): Be=Beryllium(ug/L): B= Boron (ug/L): Cd=Cadmium (ug/L): Cl= Chloride (mg/L): Cr (VI)=Hexavalent Chromium (ug/L): Cr=Total Chromium (ug/L): Co=Cobalt (ug/L): Fe=Iron (ug/L):Mn=Manganese (ug/L): Mo=Molybdenum (ug/L): Se=Selenium (ug/L): Sr=Strontium (ug/L): SO4=Sulfate (mg/L): Tl=Thallium (ug/L): TDS=Total Dissolved Solids (mg/L): U (Total)= Total Uranium : V=Vanadium (ug/L) WELL KEY WETLAND BY AMEC FOSTER WHEELER WETLAND AND STREAM BOUNDARIES PROVIDED BY AMEC FOSTER WHEELER. NOTE THESE DO NOT APPEAR TO TO BE INCLUSIVE OF ALL THE BOUNDARIES AS SHOWN IN THE AMEC FOSTER WHEELER NRTR ROXBORO REPORT. DATA NOTES: DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICAL DATA TABLE NOTES FOR QUALIFIER DEFINITIONS. DATA SHOWN ON MAP IS THE MOST RECENT DATA AVAILABLE THROUGH AUGUST 2017. NA=NOT ANALYZED NM=NOT MEASURED *PIEZOMETER ABMW-1BR, Screen (108-118): pH=7, Eh=43.5, k=8.45E+00, Sb=<1, B=488, Cr (VI)=0.86, Cr=<1, Co=<1, Fe=1580, Mn=966, Mo=2.48, Se=<1, Sr=178, SO4=20, TDS=340, Tl=<0.2, U (Total) =0.0000712 j, V=0.346. ABMW-1, Screen (65-70): pH=9.9, Eh=-14.6, k=1.19E-01, Sb=3.19, B=12400, Cr (VI)=0.13, Cr=<1, Co=<1, Fe=12, Mn=<5, Mo=2420, Se=5.74, Sr=2120, SO4=190, TDS=400, Ti=<0.2, U (Total) =<0.0002, V=2.74. ABMW-2, Screen (70.7-75.7): pH=6.6, Eh=102.6, k=8.79E-02, Sb=<1, B=1930, Cr (VI)=<0.25 D3,M6, Cr=<1, Co=3.83, Fe=30200, Mn=1920, Mo=82.5, Se=<1, Sr=978, SO4=12, TDS=280, Ti=<0.2 B3, U (Total) =0.000129 j, V=3.77. ABMW-2BR, Screen (98.8-103.8): pH=7.9, Eh=44.3, k=9.53E+00, Sb=<1, B=<50, Cr (VI)=0.76, Cr=<1, Co=<1, Fe=750, Mn=1450, Mo=10.7, Se=<1, Sr=568, SO4=110, TDS=480, Tl=<0.2 B3, U (Total) =0.000633, V=0.425. ABMW-3, Screen (3-8): pH=3.2, Eh=178.8, k=1.66E+00, Sb=<1, B=256, Cr (VI)=<0.25 D3, Cr=3.36, Co=121, Fe=21300, Mn=7100, Mo=<1, Se=<1, Sr=1360, SO4=990, TDS=1400, Ti=1.76, U (Total) =0.000462, V=4. ABMW-3BR, Screen (47-57): pH=5.5, Eh=100.6, k=7.75E-01, Sb=<1, B=4650, Cr (VI)=0.24, Cr=<1, Co=128, Fe=5540, Mn=13900, Mo=<1, Se=<1, Sr=1860, SO4=2700, TDS=4200, Tl=<0.2, U (Total) =0.00181, V=2.79. ABMW-3BRL, Screen (235.3-245.3): pH=7.2, Eh=40.5, k=7.57E-03, Sb=<1, B=<50, Cr (VI)=<0.12 D3, Cr=<1, Co=<1, Fe=822, Mn=180, Mo=2.06, Se=<1, Sr=818, SO4=500, TDS=920, Tl=<0.2, U (Total) =0.00089, V=0.486. BG-1, Screen (32.5-52): pH=6.5, Eh=211.6, k=NA, Sb=<1, B=<50, Cr (VI)=6.9, Cr=7.18, Co=<1, Fe=202, Mn=<5, Mo=<1, Se=<1, Sr=448, SO4=18, TDS=340, Tl=<0.2, U (Total) =0.000444, V=17.3. BG-2BR, Screen (225-235): pH=7.5, Eh=381, k=NA, Sb=<1, B=<50, Cr (VI)=<0.12 D3, Cr=2.83, Co=<1, Fe=116, Mn=167, Mo=4.36, Se=<1, Sr=268, SO4=21, TDS=320, Tl=<0.2, U (Total) =0.00541, V=0.764. BG-1BRLR, Screen (150-160): pH=8.2, Eh=167, k=1.01E+00, Sb=2.14, B=101, Cr (VI)=0.44, Cr=2.48, Co=<1, Fe=259, Mn=252, Mo=71.1, Se=3.99, Sr=819, SO4=390, TDS=1100, Tl=<0.2 B3, U (Total) =0.0385, V=2.49. BG-1BR, Screen (82-92): pH=6.9, Eh=197, k=4.66E-01, Sb=<1, B=<50, Cr (VI)=0.054, Cr=4.44, Co=<1, Fe=117, Mn=390, Mo=4.79, Se=<1, Sr=179, SO4=19, TDS=310, Tl=<0.2, U (Total) =0.000871, V=2.26. CW-2 , Screen (7.7-17.5): pH=7, Eh=211.1, k=NA, Sb=<1, B=<50, Cr (VI)=0.88, Cr=1.12, Co=<1, Fe=73, Mn=<5, Mo=<1, Se=<1, Sr=367, SO4=80, TDS=440, Tl=<0.2, U (Total) =0.00269, V=34.5. CW-2D, Screen (25.1-29.9): pH=6.8, Eh=210.5, k=NA, Sb=<1, B=<50,Cr (VI)=0.47, Cr=<1, Co=<1, Fe=<10, Mn=<5, Mo=<1, Se=<1, Sr=327, SO4=140, TDS=440, Tl=<0.2, U (Total) =0.00142, V=14.1. CW-3D, Screen (41.7-46.5): pH=7.5, Eh=176.8, k=NA, Sb=<1, B=<50, Cr (VI)=0.13, Cr=<1, Co=<1, Fe=45, Mn=24, Mo=3.84, Se=<1, Sr=271, SO4=32, TDS=340, Tl=<0.2, U (Total) =0.000807, V=2.57. CW-3, Screen (3.4-11.4): pH=6.6, Eh=382, k=NA, Sb=<1, B=<50, Cr (VI)=0.071, Cr=<1, Co=<1, Fe=11, Mn=<5, Mo=<1, Se=<1, Sr=412, SO4=73, TDS=520, Tl=<0.2, U (Total) =0.00322, V=3.4. CW-4, Screen (24.2-39): pH=6.9, Eh=187, k=NA, Sb=<1, B=<50, Cr (VI)=0.29, Cr=<1, Co=<1, Fe=<10, Mn=<5, Mo=6.63, Se=<1, Sr=199, SO4=37, TDS=360, Tl=<0.2, U (Total) =0.00269, V=2.21. CW-5, Screen (4.7-19.5): pH=6.8, Eh=204, k=NA, Sb=<1, B=252, Cr (VI)=0.29, Cr=<1, Co=<1, Fe=<10, Mn=<5, Mo=<1, Se=<1, Sr=306, SO4=250, TDS=490, Tl=<0.2, U (Total) =0.00029, V=26.7. MW-1, Screen (23-28): pH=6.5, Eh=393.5, k=NA, Sb=<1, B=<50, Cr (VI)=0.081, Cr=<1, Co=<1, Fe=35, Mn=100, Mo=<1, Se=<1, Sr=509, SO4=120, TDS=450, Tl=<0.2, U (Total) =NA, V=6.3. MW-2, Screen (20.5-25.5): pH=6.1, Eh=405.5, k=NA, Sb=<1, B=105, Cr (VI)=0.072, Cr=<1, Co=<1, Fe=<10, Mn=22, Mo=<1, Se=<1, Sr=497, SO4=63, TDS=440, Tl=<0.2, U (Total) =NA, V=6.18. MW-2BR, Screen (30.1-35.4): pH=6.6, Eh=167, k=1.80E-02, Sb=<1, B=<50, Cr (VI)=1.2, Cr=<1, Co=2.92, Fe=24500, Mn=1590, Mo=<1, Se=<1, Sr=607, SO4=47, TDS=570, Tl=<0.2, U (Total) =0.000279, V=0.341. MW-4BR, Screen (80-90): pH=7.8, Eh=88, k=3.87E-03, Sb=1.07, B=<50, Cr (VI)=0.047, Cr=1.49, Co=<1, Fe=113, Mn=35, Mo=7.71, Se=<1, Sr=272, SO4=34, TDS=270, Tl=<0.2, U (Total) =0.000952, V=1.11. MW-5BR, Screen (62.8-73.0): pH=7.6, Eh=116, k=1.19E-02, Sb=<1, B=<50, Cr (VI)=0.027, Cr=<1, Co=2.45, Fe=725, Mn=376, Mo=1.23, Se=<1, Sr=319, SO4=290, TDS=560, Tl=<0.2, U (Total) =0.00349, V=0.309. MW-5D, Screen (15.4-20.4): pH=6.9, Eh=174, k=5.59E-02, Sb=<1, B=747, Cr (VI)=0.86, Cr=<1, Co=<1, Fe=95, Mn=22, Mo=6.18, Se=<1, Sr=379, SO4=400, TDS=700, Tl=<0.2, U (Total) =0.00025, V=13. MW-6BR, Screen (62.9-73.0): pH=7.6, Eh=77, k=4.14E+00, Sb=<1, B=<50, Cr (VI)=0.07, Cr=<1, Co=<1, Fe=419, Mn=84, Mo=3.36, Se=<1, Sr=157, SO4=14, TDS=250, Tl=<0.2 B3, U (Total) =0.000218, V=0.386. MW-6D, Screen (16-21): pH=6.5, Eh=118.6, k=5.58E-01, Sb=<1, B=<50,Cr (VI)=0.052, Cr=<1, Co=<1, Fe=13, Mn=<5, Mo=<1, Se=<1, Sr=189, SO4=37, TDS=250, Tl=<0.2 B3, U (Total) =0.00031, V=6.24. MW-7BR, Screen (47-57): pH=7.3, Eh=176, k=1.04E-02, Sb=<1, B=<50, Cr (VI)=0.28, Cr=<1, Co=<1, Fe=136, Mn=128, Mo=1.51, Se=<1, Sr=132, SO4=23, TDS=250, Tl=<0.2, U (Total) =0.000613, V=5.44 MW-8BR, Screen (76.4-86.4): pH=7.3, Eh=88, k=1.77E+01, Sb=<1, B=<50, Cr (VI)=0.62, Cr=3.77, Co=<1, Fe=2360, Mn=795, Mo=2.57, Se=<1, Sr=222, SO4=25, TDS=370, Tl=<0.2, U (Total) =0.000405, V=1.02. MW-9BR, Screen (42-52): pH=6.6, Eh=309, k=5.43E-01, Sb=<1, B=<50, Cr (VI)=<0.025, Cr=<1, Co=<1, Fe=274, Mn=108, Mo=1.68, Se=<1, Sr=165, SO4=21, TDS=220, Tl=<0.2, U (Total) =0.000218, V=2.96. MW-10BR, Screen (36-41): pH=7, Eh=221, k=1.38E+00, Sb=<1, B=<50, Cr (VI)=0.14, Cr=<1, Co=19.9, Fe=<10, Mn=352, Mo=14.1, Se=<1, Sr=169, SO4=40, TDS=330, Tl=<0.2, U (Total) =0.00308, V=2.9. MW-12BR, Screen (52-57): pH=7.2, Eh=69.6, k=3.68E+00, Sb=<1, B=<50, Cr (VI)=NA, Cr=<1, Co=1.38, Fe=3300, Mn=1050, Mo=1.49, Se=<1, Sr=223, SO4=28, TDS=420, Tl=0.762, U (Total) =NA, V=0.424. MW-15BR, Screen (50-60): pH=7.3, Eh=112, k=2.11E-02, Sb=<1, B=<50, Cr (VI)=0.95, Cr=1.07, Co=<1, Fe=806, Mn=49, Mo=6.05, Se=<1, Sr=136, SO4=27, TDS=350, Tl=<0.2, U (Total) =0.000482, V=<0.3. MW-15D, Screen (21-31): pH=6.6, Eh=317, k=4.29E-01, Sb=<1, B=<50, Cr (VI)=2.2, Cr=2.53, Co=<1, Fe=16, Mn=<5, Mo=<1, Se=<1, Sr=239, SO4=28, TDS=410, Tl=<0.2, U (Total) =0.000739, V=9.37. MW-18BR, Screen (97.1-107.1): pH=7.9, Eh=27, k=3.14E+00, Sb=<1, B=<50, Cr (VI)=0.69, Cr=<1, Co=<1, Fe=1200, Mn=937, Mo=4.32, Se=<1, Sr=249, SO4=5.8, TDS=560, Tl=<0.2, U (Total) =0.000231, V=<0.3. MW-18D, Screen (48.1-58.1): pH=7, Eh=155, k=1.26E-01, Sb=<1, B=<50, Cr (VI)=2.5, Cr=4.34, Co=<1, Fe=163, Mn=196, Mo=3.39, Se=<1, Sr=665, SO4=32, TDS=750, Tl=<0.2, U (Total) =0.00359, V=0.983. MW-26BR, Screen (74-84): pH=7.3, Eh=89, k=7.39E-02, Sb=<1, B=<50, Cr (VI)=0.57, Cr=<1, Co=<1, Fe=1280, Mn=564, Mo=8.49, Se=<1, Sr=261, SO4=61, TDS=500, Tl=<0.2, U (Total) =0.004, V=0.392. MW-31BR, Screen (68-78): pH=7, Eh=228, k=1.92E-01, Sb=<1, B=<50, Cr (VI)=<0.025, Cr=<1, Co=<1, Fe=67, Mn=532, Mo=1.16, Se=<1, Sr=316, SO4=30, TDS=390, Tl=<0.2 B3, U (Total) =0.00243, V=1.95. MW-32BR, Screen (250-260): pH=7.6, Eh=203, k=6.42E-02, Sb=<1, B=<50, Cr (VI)=0.033, Cr=7.48, Co=<1, Fe=180, Mn=95, Mo=4.66, Se=<1, Sr=602, SO4=410, TDS=620, Tl=<0.2, U (Total) =0.00126, V=0.7. BG-1BRL*, Screen (265-275) BG-1D*, Screen (39-44) MW-4BRL*, Screen (285-305) MW-33BR**, Screen (283-298): k = 7.50E-03 RO-10-1 Screen(NA) : pH = 7.1 Eh=NA, k=NA, Sb=<10, B=<50,Cr (VI)=NA, Cr=<5, Co=<50, Fe=290, Mn=1100, Mo=<10, Se=<1, Sr=570, SO4=26, TDS=644 J3, Tl=<0.2, U (Total) =NA, V=<10. RO-10-2 (Vendor) Screen(NA) : pH = 6.65 Eh=NA, k=NA, Sb=<5, B=<50, Cr (VI)=<0.03, Cr=<5, Co=<5, Fe=<500, Mn=<5, Mo=<5, Se=<5, Sr=<5, SO4=27, TDS=369, Tl=<1, U (Total) =NA, V=<10. RO-1004 Screen(NA) : pH = 6.2 Eh=NA, k=NA, Sb=<0.5, B=<25, Cr (VI)=<0.03, Cr=<0.5, Co=<0.1, Fe=565, Mn=121, Mo=<0.5, Se=<0.5, Sr=176, SO4=5.6, TDS=284, Tl=<0.1, U (Total) =NA, V=<0.3. RO-1021 Screen(NA) : pH = 7.2 Eh=NA, k=NA, Sb=<0.5, B=<25, Cr (VI)=<0.025, Cr=<0.5, Co=<0.1, Fe=<50, Mn=117, Mo=2, Se=<0.5, Sr=183, SO4=41.5, TDS=295, Tl=<0.1, U (Total) =NA, V=3.5. LCID LANDFILL (PERMIT NO. 73D-LCID) EAST ASH BASIN **DATA IS EXCLUDED FOR WELLS WITH A MEASURED TURBIDITY GREATER THAN 10 NTU's AND /OR HIGH pH VALUES THAT MAY INDICATE POSSIBLE GROUT INTRUSION INTO THE WELL SCREEN. NS=NOT SAMPLED NPDES REGULATED PLANT WATER FEATURE WITH FLOW DIRECTION INDUSTRIAL LANDFILL (PERMIT NO. 7302-INDUS) MW-16BR, Screen (50.5-55.5): pH=7.2, Eh=261.6, k=2.52E+01, Sb=<1, B=<50, Cr (VI)=0.2, Cr=<1, Co=<1, Fe=46, Mn=69, Mo=3.13, Se=<1, Sr=172, SO4=25, TDS=290, Tl=<0.2, U (Total) =0.00122, V=2.93. MW-21BRL*, Screen (143-158)FOR CONTINUATION SEE FIGURE 14-72