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HomeMy WebLinkAboutNC0024406_CSA Update 2017 Figures_201710312017 Comprehensive Site Assessment Update October 2017 Belews Creek Steam Station SynTerra LIST OF FIGURES (SECTION 1 THROUGH SECTION 10) Executive Summary Figure ES-1 Approximate Extent of Impacts 1.0 Introduction Figure 1-1 Site Location Map 2.0 Site History and Description Figure 2-1 Site Layout Figure 2-2 1951 Aerial Photograph Figure 2-3 1966 Aerial Photograph Figure 2-4 1971 Aerial Photograph Figure 2-5 1977 Aerial Photograph Figure 2-6 Site Features Map Figure 2-7 Belews Creek Plant Vicinity Map Figure 2-8 Pre-Ash Basin USGS Topo Map Figure 2-9 Surface Water Bodies Figure 2-10 Sample Location Map Figure 2-11 Belews Creek Steam Station Flow Schematic Diagram 3.0 Source Characteristics Figure 3-1 Photo of Fly Ash and Bottom Ash Figure 3-2 Elemental Composition for Bottom Ash, Fly Ash, Shale, and Volcanic Ash Figure 3-3 Coal Ash TCLP Leachate Concentration vs Regulatory Limits 4.0 Receptor Information Figure 4-1 USGS Map with Water Supply Wells Figure 4-2 Water Supply Well Locations Figure 4-3 Piper Diagram Water Supply Wells 5.0 Regional Geology and Hydrogeology Figure 5-1 Tectonostratigraphic Map of the Southern and Central Appalachians Figure 5-2 Regional Geologic Map Figure 5-3 Piedmont Slope-Aquifer System 6.0 Site Geology Figure 6-1 Site Geologic Map Figure 6-2 Site Cross Section Locations Figure 6-3 General Cross Section A-A' Figure 6-4 General Cross Section B-B' 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 ES1 - BCSS 10/09/2017 10/29/2017 2:37 PM P:\Duke Energy Progress.1026\00 GIS BASE DATA\Belews Creek Steam Station\MapDocs\CSA_Supplement_2\3D SCM\Belews_3D_ES1.dwg FIGURE ES-1 APPROXIMATE EXTENT OF IMPACTS BELEWS CREEK STEAM STATION DUKE ENERGY CAROLINAS, LLC BELEWS CREEK, NORTH CAROLINA VISUAL AID ONLY - DEPICTION NOT TO SCALE CAROLINAS BELEWS RESERVOIR BELEWS CREEK STEAM STATION MID D L E T O N L O O P SHALLOW BEDROCK TRANSITION ZONE NORTH 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 11, 2017. AERIAL DATED APRIL 8, 2017. 2.STREAM FROM AMEC NRTR REPORT, 2015. 3.GENERALIZED GROUNDWATER FLOW DIRECTION BASED ON APRIL 3, 2017 WATER LEVEL DATA. 4.PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY. 5.GENERALIZED AREAL EXTENT OF MIGRATION REPRESENTED BY NCAC 02L EXCEEDANCES OF BORON. DESIGNATED EFFLUENT CHANNEL WITH FLOW DIRECTION RESIDENTIAL UNIT DUKE ENERGY PROPERTY BOUNDARY LEGEND AREA OF CONCENTRATION IN GROUNDWATER ABOVE NC2L (SEE NOTE 5) STREAM WITH FLOW DIRECTION PINE HALL ROADPINE HALL ROAD LANDFILL STRUCTURAL FILL ASH BASIN PARCEL LINE ASH BASINWASTE BOUNDARY ASH BASIN MAIN DAM STRUCTURAL FILLPINE HALLROAD LANDFILL DAN RIVER PARCEL LINE FIGURE 1-1 SITE LOCATION MAP BELEWS CREEK STEAM STATION DUKE ENERGY CAROLINAS, LLC BELEWS CREEK, NORTH CAROLINA SOURCE:2016 USGS TOPOGRAPHIC MAP OBTAINED FROM THE USGS STORE AThttp://store.usgs.gov/b2c_usgs/b2c/start/%%%28xcm=r3standardpitrex_prd%%%29/.do PARCEL LINE ASH BASINWASTE BOUNDARY ASH BASIN MAIN DAM POWER PLANT STRUCTURAL FILLPINE HALLROAD LANDFILL DAN RIVER PARCEL LINE PROJECT MANAGER: LAYOUT: DRAWN BY: S. SPINNER DATE:JOHN CHASTAIN FIG 1-1 SITE MAP 10/20/2017 CONTOUR INTERVAL: MAP DATE: 10 FEET 2016 2000GRAPHIC SCALE1000 IN FEET 10000 STOKES COUNTY WINSTON-SALEM ASHEVILLE CHARLOTTE 10/20/2017 11:44 AM P:\Duke Energy Carolinas\20. BELEWS CREEK\CSA UPDATE OCT 2017\DWG\DE BELEWS CK USGS MAPS.dwg 10/27/2017 12:09 PM P:\Duke Energy Carolinas\20. BELEWS CREEK\CSA UPDATE OCT 2017\DWG\DE BELEWS CSAUP BASE MAP.dwgDATE PRINTED:FILE PATH: 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-06S WELL IN DEEP ZONE WELL IN SHALLOW ZONE T-1 MW-01BR WELL IN COMPETENT BEDROCK ZONE ABMW-07 WELL IN ASH PORE WATER WELL ABANDONED PIEZOMETER ABANDONEDP-100 ABMW-05S 500 ft COMPLIANCE BOUNDARY PARCEL LINE DUKE ENERGY (APPROXIMATE) ASH BASIN WASTE BOUNDARY MW-06D PIEZOMETER IN DEEP ZONE WATER SUPPLY WELL SAMPLED EXTRACTION WELL IN TRANSITION MATERIAL WATER SAMPLE LOCATION SURFACE WATER FLOW DIRECTION BC-9 FIGURE 2-1 SITE LAYOUT BELEWS STEAM STATION 3195 PINE HALL RD BELEWS CREEK, NORTH CAROLINA DUKE ENERGY CAROLINAS FIG 2-1 (SITE MAP) ASHLEY ALBERT JOHN CHASTAIN 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 10/09/2017 10/09/2017 BC8R2 S-8 S-9 S-16 SW-1A S-6 SW-10 S-11 S-10 S-15 ASH BASIN OUTLET STRUCTURE S-7 S-13 S-5 S-4 S-3 S-12 GRAPHIC SCALE 4002001000200 (IN FEET) S-16 AOW SAMPLE LOCATION DISCHARGE STRUCTURE PARCEL A (2.23 ACRES)S-2 MIDDLETON LOOPBC12 PINE HALL RDBCSW019 STRUCTURAL FILL PINE HALL ROAD LANDFILL PINE HALL RDMIDDLETON LOOPRAILROAD 250 FOO T R E V I E W B O U N D A R Y GEORGIA RDBC4 SW-AB8 SW-AB6 SW-AB7 SW-AB5 SW-AB4 BC4B MW-101S 003 MW2-3 ABMW-05SABMW-05S MW2-4 MW2-2 MW2-5 OB-1 MW2-1 S-14 NOTE: THE FOLLOWING WELLS WERE ABANDONED IN 2007-2008. NO COORDINATES WERE AVAILABLE FOR MW2-7A, MW2-8, MW2-10, OB-6, 0B-7 OR OB-8. SW-AB9 SW-2 EW-1 EW-2 EW-1 T-2 T-3 T-1 T-4 WATER SUPPLY WELL NOT SAMPLED BC3 APPROXIMATE STREAM (NON-JD) BCWW002 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-BELEWS CREEK STEAM STATION BY WSP, JOB NUMBER 157002.00 AND DRAWING FILE NAME APRIL 2014_BELEWS_FINAL_10-30-15.DWG SAMPLE LOCATIONS WERE OBTAINED FROM HDR INFORMATION AND MAY BE APPROXIMATE IN SOME CASES. SOIL OR GEOTECHNICAL BORING AB-5GTB AB-6GTB BGSB-3 BGSB-1 GWA-9GTB SB-3 BC5 (Vendor) BC4 Well A (Vendor) BELEWS RESERVOIR SFMW-2D SFMW-1D SFMW-3D SFMW-4D SFMW-5D BELEWS RESERVOIR DESIGNATED EFFLUENT CHANNEL GWA-24D GWA-24BR GWA-2D GWA-2S GWA-32DGWA-32S MW-103D MW-103S MW-200BR MW-200S MW-200D AB-3SAB-3D BC9 MW-101D MW-102S MW-102D 003 MW-24S SB-3 GWA-31S GWA-31D GWA-19D GWA-19SA GWA-19BR GWA-17D GWA-17S GWA-10S GWA-10DA GWA-18D GWA-18SA GWA-21D GWA-21S GWA-27S GWA-27D GWA-27BR SW-AB3 GWA-30D GWA-30S GWA-1D GWA-1S GWA-1BR AB-2SAAB-2D AB-1D AB-1S AB-1BR SW-AB2 GWA-11D GWA-11S GWA-20D GWA-20BR BG-2BRA BG-2D BG-1D BG-1S BC6 BG-2S BC1 BG-2BR GWA-3S MW-201D MW-201BR GWA-22S GWA-22D SW-AB1 GWA-3D GWA-5SGWA-5D GWA-5BR GWA-4SGWA-4D GWA-5BR2 BG-3D BG-3S BC8 BC26 BC10 GWA-12D GWA-12S GWA-12BR MW-202D MW-202BRMW-202S GWA-23D GWA-23S GWA-8S GWA-8D GWA-25BR MW-1D GWA-26D MW-1 GWA-26S GWA-26BR MW-2 MW-6 MW-3 OB-4 MW-4 OB-5 MW2-7 MW-7 MW2-9 GWA-9SGWA-9BR GWA-9D MW-5 AB-5S AB-5SL AB-5D AB-4BRDAB-4BR AB-4D AB-4SL AB-4S AB-6D AB-6S AB-6SL AB-7D AB-7S AB-8SL AB-8S AB-8D AB-9D AB-9SAB-9BRD AB-9BR MW-203D MW-203S MW-203BR GWA-7SA GWA-7D GWA-7S GWA-6D GWA-6S MW-104BR MW-104D MW-104S GWA-16DA GWA-16S MW-204S MW-204D GWA-16BR BC2 WELL 1 BC2 WELL 2 BC2019-RAW PIPE VENT OUTFALL 115 DISCHARGE STRUCTURE 2-TOE DRAINS 2-HEADER PIPES APPROXIMATE POND OR RESERVOIR (NON-JD) APPROXIMATE DESIGNATED EFFLUENT CHANNEL APPROXIMATE ASH BASIN PONDED WATER NEW RETENTION BASIN UNDER CONSTRUCTION FORMER C O N S T R U C T E D WETLAN D S B A S I N FORMER C O N S T R U C T E D WETLAN D S B A S I N GWA-20S GWA-19S GWA-18S GWA-10D COAL PILE MIDDLE T O N L O O P WALKWAY CONCRETE CHANNEL CONCRETE CHANNEL FORMER OUTLET STRUCTURE DAN RIV E R GENERAL LAYOUT AND LOCATION OF THE NEW RETENTION BASIN BASED ON FIGURE PREPARED BY BURNS & McDONNELL. DRAWING TITLED "WATER RETENTION PROGRAM, RETENTION BASIN, PIEZOMETER PLAN". DRAWING NUMBER BLC00-CV-C-PP.PL-801, REV A, DATED 03-23-16. IMPROVEMENTS TO THE NORTH-SIDE OF THE ASH BASIN DAM BASED ON A FIGURE PREPARED BY FLEMING ENGINEERING, INC. DRAWING TITLED "BC-6/4 FINAL AS BUILT MAP", SHEET 1 OF 8. PROJECT NUMBER 16480.001, DATED 07-26-2016. GWASB-12MIDDLETON LOOPDESIGNATED EFFLUENT CHANNEL OUTFALL 003 IS LOCATED IN THE DESIGNATED EFFLUENT CHANNEL PRIOR TO ITS DISCHARGE INTO THE DAN RIVER EFFLUENT FLOW DIRECTION PINE HALL RD SW-AB8 GWASB-12 BC7 BC11 BC-1000 MIDDLETON LOOP DUKE ENERGY PARCEL LINE APPROXIMATE WASTE BOUNDARY 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY: SCOTT SPINNER DATE:JOHN CHASTAIN 1951 AERIAL 08/16/2017 09/14/2017 12:25 PM P:\Duke Energy Progress.1026\00 GIS BASE DATA\Belews Creek Steam Station\00.HISTORIC AERIAL PHOTOGRAPHS\HISTORICAL AERIALS.dwg FIGURE 2-2 1951 AERIAL PHOTOGRAPH BELEWS CREEK STEAM STATIONDUKE ENERGY CAROLINAS, LLC BELEWS CREEK, NORTH CAROLINA SOURCE: MAY 13, 1951 AERIAL PHOTOGRAPH OBTAINED FROM THE USGS EARTH EXPLORER WEB SITE AT http://earthexplorer.usgs.gov/ ASH BASIN GRAPHIC SCALE 600 IN FEET 0 600 1200 DUKE ENERGY PARCEL LINE APPROXIMATE WASTE BOUNDARY 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY: SCOTT SPINNER DATE:JOHN CHASTAIN 1966 AERIAL 08/16/2017 09/14/2017 12:26 PM P:\Duke Energy Progress.1026\00 GIS BASE DATA\Belews Creek Steam Station\00.HISTORIC AERIAL PHOTOGRAPHS\HISTORICAL AERIALS.dwg FIGURE 2-3 1966 AERIAL PHOTOGRAPH BELEWS CREEK STEAM STATIONDUKE ENERGY CAROLINAS, LLC BELEWS CREEK, NORTH CAROLINA SOURCE: APRIL 15, 1966 AERIAL PHOTOGRAPH OBTAINED FROM THE USGS EARTH EXPLORER WEB SITE AT http://earthexplorer.usgs.gov/ ASH BASIN GRAPHIC SCALE 600 IN FEET 0 600 1200 DUKE ENERGY PARCEL LINE APPROXIMATE WASTE BOUNDARY 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY: SCOTT SPINNER DATE:JOHN CHASTAIN 1971 AERIAL 08/16/2017 09/14/2017 12:27 PM P:\Duke Energy Progress.1026\00 GIS BASE DATA\Belews Creek Steam Station\00.HISTORIC AERIAL PHOTOGRAPHS\HISTORICAL AERIALS.dwg FIGURE 2-4 1971 AERIAL PHOTOGRAPH BELEWS CREEK STEAM STATIONDUKE ENERGY CAROLINAS, LLC BELEWS CREEK, NORTH CAROLINA SOURCE: MARCH 14, 1971 AERIAL PHOTOGRAPH OBTAINED FROM THE USGS EARTH EXPLORER WEB SITE AT http://earthexplorer.usgs.gov/ ASH BASIN GRAPHIC SCALE 600 IN FEET 0 600 1200 DUKE ENERGY PARCEL LINE APPROXIMATE WASTE BOUNDARY 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY: SCOTT SPINNER DATE:JOHN CHASTAIN 1977 AERIAL 08/16/2017 09/14/2017 12:28 PM P:\Duke Energy Progress.1026\00 GIS BASE DATA\Belews Creek Steam Station\00.HISTORIC AERIAL PHOTOGRAPHS\HISTORICAL AERIALS.dwg FIGURE 2-5 1977 AERIAL PHOTOGRAPH BELEWS CREEK STEAM STATIONDUKE ENERGY CAROLINAS, LLC BELEWS CREEK, NORTH CAROLINA SOURCE: NOVEMBER 13, 1977 AERIAL PHOTOGRAPH OBTAINED FROM THE USGS EARTH EXPLORER WEB SITE AT http://earthexplorer.usgs.gov/ ASH BASIN GRAPHIC SCALE 600 IN FEET 0 600 1200 4PVSDF)%3 $PNQSFIFOTJWF4JUF"TTFTTNFOU3FQPSU#FMFXT$SFFL4UFBN4UBUJPO"TI#BTJO 4FQUFNCFS 2-6 <<<<<<<<<<<<<<<<<< < <<<<DALTON MHP RDS A T T E R FIE L D D R NORTHRIDGE DRGOO L S B Y MH P R D W INDY PTGEORGIA RDLAKE VW LPOLD RUSTIC PLACE LN TOWER DR DUKE POWER STEAM PLANT RD PERDUE HOLLOW RD OLD PLANTATION RDMARTIN LUTHER KING JR RDM I D D L E T O N L O O P PINE HALL RDFIGURE 2-7BELEWS CREEK PLANT VICINITY MAPBELEWS CREEK STEAM STATIONDUKE ENERGY CAROLINAS, LLCBELEWS CREEK, NORTH CAROLINADRAWN BY: A. ROBINSONCHECKED BY: A. ALBERTPROJECT MANAGER: S. SPINNER DATE: 10/19/2017 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Belews Creek Steam Station\MapDocs\CSA_Supplement_2\Fig02-07 - Belews Creek Plant Vicinity Map.mxd GRAPHIC SCALE6000600 1,200300 IN FEET NOTES:PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON AUGUST 2, 2017.AERIAL WAS COLLECTED ON APRIL 8, 2017. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD 83/2011). LEGEND <STREAM (AMEC NRTR 2015) DESIGNATED EFFLUENT CHANNEL ASH BASIN WASTE BOUNDARY ASH BASIN COMPLIANCE BOUNDARY LANDFILL BOUNDARY STRUCTURAL FILL BOUNDARY LANDFILL COMPLIANCE BOUNDARY DUKE ENERGY CAROLINAS BELEWS CREEK PLANTSITE BOUNDARY ASH BASIN BELEWS RESERVOIR BELEWS CREEKSTEAM STATION PINE HALLROAD LANDFILL STRUCTURAL FILL <<<<<<<<<<<< <<<<<<<<<<<<<<<ASH BASIN PINE HALLROAD LANDFILL STRUCTURALFILL BELEWS RESERVOIRELEVATION 725 FT(APPROXIMATE)GEORGIA RDPERDUE HOLLOW RD OLD PLANTATION RD MARTIN LUTHER KING JR RDM I D D L E T O N L O O P PINE HALL RDNOTES:PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON AUGUST 2, 2017.AERIAL WAS COLLECTED ON APRIL 8, 2017. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83/2011). FIGURE 2-9SURFACE WATER BODIESBELEWS CREEK STEAM STATIONDUKE ENERGY CAROLINAS, LLCBELEWS CREEK, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: S. SPINNERCHECKED BY: A. ALBERT DATE: 10/23/2017 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Belews Creek Steam Station\MapDocs\CSA_Supplement_2\Fig02-09 - Surface Water Bodies.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET <STREAM (AMEC NRTR 2015) DESIGNATED EFFLUENT CHANNEL ASH BASIN WASTE BOUNDARY ASH BASIN COMPLIANCE BOUNDARY 1500 FT OFFSET FROM ASH BASIN WASTE BOUNDARY LANDFILL BOUNDARY STRUCTURAL FILL BOUNDARY LANDFILL COMPLIANCE BOUNDARY DUKE ENERGY CAROLINAS BELEWS CREEK PLANTSITE BOUNDARY LEGEND ! ! ! ! !!!! !!! ! ! ! ! ! !! ! ! ! !!!!!! !!! ( ( ( ( (((( ((( ( ( ( ( ( (( ( ( ( (((((( ((( ! !! ! < << < ! ! ! ! ! ( ( ( ( ( & & & & & & & & & && &>>>>>>>>>>>>! ! !! ! ! ! ! ! ! ( ( (( ( ( ( ( ( ( !!! !!!! !! !! ! !! !!! !! ! ! ! !! !!! !! !! !!! !! !!! !! !! !! !!! ! !!! !!! ! !! !! !! ! !! ! ! ! !! ! ! ! !! ! ! ! ! ! !! ! !! !! !! !!!!!! !! ! !! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! !! ! ! ! ! ((( (((( (( (( ( (( ((( (( ( ( ( (( ((( (( (( ((( (( ((( (( (( (( ((( ( ((( ((( ( (( (( (( ( (( ( ( ( (( ( ( ( (( ( ( ( ( ( (( ( (( (( (( (((((( (( ( (( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( (( ( ( ( (&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>SW-AB2 SW-AB3 SW-AB4 SW-AB5 SW-AB6 SW-AB7 SW-AB8 SW-AB9 PINE HALLROAD LANDFILL STRUCTURALFILL ASH BASIN BELEWS RESERVOIR S-15 SW-2 SW-1A GWA-4S*/D* SB-3 AB-1S/D/BR AB-3S/D AB-4S/SL/D/BR/BRD AB-5S/SL/D AB-6S/SL/D AB-7S/D AB-8S/SL/D AB-9S/D/BR/BRD BG-1S/D BG-2S/D/BR/BRA BG-3S/D GWA-1S/D/BR GWA-2S/D GWA-3S/D GWA-5S*/SA*/D*/BR2* GWA-6S/D GWA-7S/SA/D GWA-8S/D GWA-10S/DA GWA-11S/D GWA-12S/D/BR GWA-16S/D/DA/BR GWA-17S/D MW-1/1D MW-3 MW-4 MW-5 MW-6 MW-101S*/D* MW-104S/D/BR MW-200S/D/BR MW-201D/BR MW2-2* MW-202S/D/BR MW2-3* MW-203S/D/BR MW2-4* MW-204S/D MW2-5* MW2-7 MW2-9 OB-4 OB-5 OB-9 AB-2S/SA/D GWA-19S/SA/D/BR GWA-23S/D GWA-30S/D GWA-31S/D GWA-32S/D MW-2 MW-7 MW-103S/D GWA-18S/SA/D GWA-20S/SA/D/BR GWA-21S/D GWA-22S/D GWA-24S/D/BR GWA-25BR GWA-26S/D/BR GWA-27S/D/BR GWA-9S/D/BR HD-10* HD-9* HD-27* HD-22* HD-24*HD-25* S-1 S-2 S-3 S-4 S-5 S-6/S-6-BL S-7 S-8 S-9 S -10 S -11 S -12 S-13S-14 S -16 HD-11A* HD-7A* ABW*SW-10 SW-AB1 SW-BL-D/SD-BL-D 003 TF1/TF2* HD-26* HD-21* TF3* BCSW019 BCSW018A BCWW002 BCSW007 MW-102S*/D* AB-5GTB AB-6GTB BGSB-1 BGSB-2 BGSB-3 GWA-9GTB GWASB-12 OB-1* MW2-1* SFMW-3D SFMW-1D SFMW-2D SFMW-5D SFMW-4D GEORGIA RDPERDUE HOLLOW RD OLD PLANTATION RD MARTIN LUTHER KING JR RDM I D D L E T O N L O O P PINE HALL RDFIGURE 2-10SAMPLE LOCATION MAPBELEWS CREEK STEAM STATIONDUKE ENERGY CAROLINAS, LLCBELEWS CREEK, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: S. SPINNERCHECKED BY: A. ALBERT DATE: 10/23/2017 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Belews Creek Steam Station\MapDocs\CSA_Supplement_2\Fig02-10 Belews - Sample Location Map.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET LEGEND !( GROUNDWATER SAMPLE LOCATION(NOTE: * NEXT TO WELLIDENTIFICATION REPRESENTSABANDONED MONITORING WELL)&>GROUNDWATER AND SOIL SAMPLELOCATION !(SOIL SAMPLE LOCATION !(AREA OF WETNESS (AOW) SAMPLELOCATION &>AOW AND SEDIMENT SAMPLELOCATION !( WATER SAMPLE LOCATION(NOTE: * NEXT TO WATER SAMPLELOCATION REPRESENTS A LOCATIONTHAT CAN LONGER BE SAMPLED) !<WATER AND SEDIMENT SAMPLELOCATION <STREAM (AMEC NRTR 2015) DESIGNATED EFFLUENT CHANNEL WETLANDS (AMEC NRTR 2015) ASH BASIN WASTE BOUNDARY ASH BASIN COMPLIANCE BOUNDARY LANDFILL BOUNDARY STRUCTURAL FILL BOUNDARY LANDFILL COMPLIANCE BOUNDARY DUKE ENERGY CAROLINAS BELEWSCREEK PLANT SITE BOUNDARY NOTES:1 SW-BL-U/SD-BL-U WATER AND SEDIMENT SAMPLE LOCATION IS ON THESOUTH SHORE OF BELEWS LAKE AND UPSTREAM FROM THE CRAIG ROADASH LANDFILL. INFORMATION OBTAINED FROM HDR CSA REPORT FIGURE 9-1, SEPTEMBER 2015. SD PREFIX INDICATES A SEDIMENT SAMPLE ID. SB OR GTB PREFIX INDICATES A SOIL SAMPLE ID. SUFFIXES S, SA, D, DA, BR, BR2, BRD INDICATE A MONITORING WELL ID. ALL BOUNDARIES ARE APPROXIMATE. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON AUGUST 2,2017. AERIAL WAS COLLECTED ON APRIL 8, 2017. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATEPLANE COORDINATE SYSTEM FIPS 3200 (NAD83/2011).&>&>&>!(!(!(!(!(!( !(!( !( !( BCSW008 SW-DR-BG SW-BL-U/SD-BL-USEE NOTES1 S-02-D SW-DR-01 S-03-D SW-DR-02 S-05-D SW-DR-03 S-003-D SW-DR-04 SW-DR-U/SD-DR-U SW-DR-D/SD-DR-D SW-DR-UA ASH BASIN BELEWSRESERVOIR REGIONAL INSET SCALE: 1" = 4000' Figure 2-11Source: HDR, Comprehensive Site Assessment Report Belews Creek Steam Station Ash Basin, September 9, 2015. FIGURE 3-1PHOTO OF FLY ASH AND BOTTOM ASHBELEWS CREEK STEAM STATIONDUKE ENERGY CAROLINAS, LLCBELEWS CREEK, NORTH CAROLINASOURCE: DUKE ENERGY 2014148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.comDRAWN BY: E. KINSEY PROJECT MANAGER: S. Spinner LAYOUT: DATE: AUGUST 2017FILEPATH: P:\Duke Energy Carolinas\20. BELEWS CREEK\CSA UPDATE OCT 2017\Draft Final PDF 10_20_2017\Figures\Section 3Range (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 ASHBELEWS CREEK STEAM STATIONDUKE ENERGY CAROLINAS, LLC (SOURCE: EPRI 2009A)148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.comDRAWN BY: E. KINSEY PROJECT MANAGER: S. SPINNER LAYOUT: DATE: AUGUST 2017FILEPATH: P:\Duke Energy Progress.1026\105. Mayo Ash Basin GW Assessment Plan\CSA_UPDATE_2017\CSA Sup 2\Figures FIGURE 3-3COAL ASH TCLP LEACHATE CONCENTRATION VS REGULATORY LIMITSBELEWS CREEK STEAM STATIONDUKE ENERGY CAROLINAS, LLCBELEWS CREEK, NORTH CAROLINA (SOURCE: EPRI 2010)148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.comDRAWN BY: E. KINSEY PROJECT MANAGER: S. SPINNER LAYOUT: DATE: AUGUST 2017FILEPATH: P:\Duke Energy Progress.1026\105. Mayo Ash Basin GW Assessment Plan\CSA_UPDATE_2017\CSA Sup 2\Figures ASH BASIN FIGURE 4-1USGS MAP WITH WATER SUPPLY WELLS BELEWS CREEK STEAM STAT ION DUKE ENERGY CAROLINAS, LLC BELEWS CREEK, NORTH CAROLINA SOURCE:2016 USGS TOPOGRAPHIC MAP OBTAINED FROM THE USGS STORE AThttp://store.usgs.gov/b2c_usgs/b2c/start/%%%28xcm=r3standardpitrex_prd%%%29/.do GRAPHIC SCALE1000 IN FEET 0 1000 2000 PARCEL LINE ASH BASINWASTE BOUNDARY MAIN DAM STRUCTURAL FILLPINE HALLROAD LANDFILL DAN RIVER PARCEL LINE 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY: S. SPINNER DATE:B. YOUNG FIG 4-1 2016 USGS TOPO 10/20/2017 10/20/2017 11:49 AM P:\Duke Energy Carolinas\20. BELEWS CREEK\CSA UPDATE OCT 2017\DWG\DE BELEWS CK USGS MAPS.dwg LEGEND WATER SUPPLY WELL POWER PLANT <<<<<<<<<<<<<<<<<< < <<<<ASH BASIN BELEWS RESERVOIR STRUCTURALFILL PINE HALLROAD LANDFILL PINE HALL RDPINE HALL RDMIDDLETON LOOPDUK E P O W E R S T E A M P L A N T R D PERDUE H O L L O W R D OLD P LAN TA T ION RD MARTIN LUT H E R KI N G J R R D M I D D L E T O N L O O P PINE HALL R D MIDDLETON LOOP OLD PLANTATION RD BC6 BC1 BC3 BC7 BC4 BC24 BC19 BC31 BC18 BC34 BC25 BC10 BC8R2 BC8 BC11 BC-1007 BC2004-RAW BC26 BC16 BC-1005 BC5 BC17 BC2019-RAW BC12 BC13 BC9 BC-1003 BC14 BC2000-RAW BC2026-RAW BC-1002 BC15 BC20 BC21 BC23-3 BC23-4 BC23-5 BC23-1 BC23-2 BC28 BC29 BC30BC32 BC35 BC33 BC-1000 BC-1001 BC-1004 BC-1006 BC2 Well 2 BC2 Well 1 BC4A BC4B BC2021-RAW NOTES: WATER SUPPLY WELL ANALYTICAL RESULTS ARE LOCATED ON TABLE 4-3. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON AUGUST 2, 2017. AERIAL WAS COLLECTED ON APRIL 8, 2017. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANE COORDINATE SYSTEM FIPS 3200 (NAD83/2011). FIGURE 4-2WATER SUPPLY WELL LOCATIONSBELEWS CREEK STEAM STATIONDUKE ENERGY CAROLINAS, LLCBELEWS CREEK, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: S. SPINNERCHECKED BY: A. ALBERT DATE: 10/19/2017 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Belews Creek Steam Station\MapDocs\CSA_Supplement_2\Fig04-02 Belews - Water Supply Map.mxd 600 0 600 1,200300 GRAPHIC SCALE IN FEET WATER SUPPLY WELL SAMPLED BY NCDEQ (2015) OR BY DUKE ENERGY (2017) WATER SUPPLY WELL NOT SAMPLED <STREAM (AMEC NRTR 2015) DESIGNATED EFFLUENT CHANNEL ASH BASIN WASTE BOUNDARY ASH BASIN COMPLIANCE BOUNDARY LANDFILL BOUNDARY STRUCTURAL FILL BOUNDARY LANDFILL COMPLIANCE BOUNDARY DUKE ENERGY CAROLINAS BELEWS CREEK PLANT SITE BOUNDARY LEGEND FIGURE 4-3 PIPER DIAGRAM ̶ WATER SUPPLY WELLS BELEWS CREEK STEAM STATION DUKE ENERGY CAROLINAS, LLC BELEWS CREEK, NORTH CAROLINA 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com DRAWN BY: T. PLATING PROJECT MANAGER: C. EADY LAYOUT: DATE: AUGUST 2017 FILEPATH: P:\Duke Energy Carolinas\20. BELEWS CREEK\CSA UPDATE OCT 2017\Draft Final PDF 10_20_2017\Figures\Section 4 Well ID % Difference Notes: Black – Within or below ash Orange – Water Supply Well Blue - Downgradient Monitoring Well Green – Background Monitoring Well Duke Energy Analytical Laboratory and Vendor split samples combined to create comprehensive analyte list. Data with charge balance >10% are omitted from plot. AB-08S 5.149 I AB-04S 2.357 K AB-05S 4.295 J AB-05SL 5.831 M O AB-08SL 7.786 J BC2 Well 1 5.625 J BC2 Well 2 6.903 J BC2019 9.405 I MW -203BR 9.897 O GWA-09BR 2.871 K BG-02BRA 9.425 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. 4PVSDF)%3 $PNQSFIFOTJWF4JUF"TTFTTNFOU3FQPSU#FMFXT$SFFL4UFBN4UBUJPO"TI#BTJO 4FQUFNCFS  Belews Creek Steam StationProperty Line Belews LakeDan RiverREGIONAL GEOLOGIC MAPDUKE ENERGY CAROLINAS, LLCBELEWS CREEK STEAM STATIONNPDES PERMIT #NC0024406 AUGUST 2015 5-2G:\Projects\Duke_Energy\Ash_Basin_GW_Assessment\Geologic_Site_Vicinity_Maps\MXDs\Fig_5_2_Belews_Site_Vicinity_Geology_Map_20150717.mxdDATE FIGURE 4,000 0 4,000 8,000SCALE (FEET) N STOKES COUNTY, NORTH CAROLINA Notes:Station property line is shown only in vicinity of thestation.Source: Geologic Map of the East Half of the Winston-Salem Quadrangle, North Carolina and Virginia,1975, G. H. Espenshade, D. W. Rankin, K. Wier Shaw,and R. B. Neuman, USGS. Tan, gray, to maroon shale, siltstone,sandstone, and arkose of nonmarineorigin TRs qgc bc Fine-grained biotite-quartz-feldspargneiss and some interlayered augen gneiss. Amphibolite layers occur locally. Fine- to medium-grained laminatedquartz-feldspar gneiss, micaceousquartzite, and quartz-muscoviteschist SEPTEMBER 2015 Source: HDR, Comprehensive Site Assessment Report Belews Creek Steam Station Ash Basin, September 9, 2015. Source: HDR, Comprehensive Site Assessment Report Belews Creek Steam Station Ash Basin, September 9, 2015.5-3 !( !( !( !(!( !(!( !(!( !( !(!( !(!( !(!( !( !( ")") ") ") ") ") ") ") ")") ") ") ") ") ") ") ") ") ") ") ") ") ") ")") ") ") ") ") ") ") ") ") ") ") ") ")ooooooooooooooooBELEWS LAKE ACTIVE ASH BASIN DUKE ENERGYPROPERTY DUKE ENERGYPROPERTY DUKE ENERGYPROPERTY DUKE ENERGY PROPERTY DUKE ENERGY PROPERTY DUKE ENERGY PROPERTY DUKE ENERGYPROPERTY 63 57 32 31 55 32 5464 557264 58 56 6157 53 JrD TrS landfill Qal fsg fsg fsg fsg fsg fsg fsg fsg ud ud ud ud ud ud ud ud Qal Qal Qal Qal Qal TrPH TrPH TrPHTrPH TrPH Qt QtTrCB TrCB AB-1D AB-3D AB-4BR AB-5D AB-6D AB-7DAB-8D MW2-2A BG-1D BG-2BR/DGWA-2D AB-9D/BR BG-3D GWA-10D GWA-12BR GWA-16D GWA-17D GWA-7D GWA-8D GWA-9D MW-200BR MW-202BR MW-203BR MW2-3 MW2-4 MW2-5 GWA-5D/BR1/BR2 MW-104D GWA-6D GWA-3D GWA-4D AB-2D GWA-11D GWA-1D MW-101DMW-102DMW-103D NC OneMap, NC Center for Geographic Information and Analysis, NC 911 Board SITE GEOLOGIC MAPDUKE ENERGY CAROLINAS, LLCBELEWS CREEK STEAM STATION ASH BASINSTOKES COUNTY, NORTH CAROLINA DATE FIGURE SEPTEMBER 2015 6-1 NOTES:1. ASH BASIN WASTE BOUNDARIES AND ASH STORAGE AREA BOUNDARIES ARE APPROXIMATE..2. ORTHOPHOTOGRAPHY IS FROM NC ONEMAP GIS ONLINE SERVICE.3. THE COMPLIANCE BOUNDARY IS ESTABLISHED ACCORDING TO THE DEFINITION FOUND IN 15A NCAC 02L.0107(a).4. DUKE ENERGY PROPERTY BOUNDARY WAS SUPPLIED BY DUKE ENERGY REAL ESTATE.5. BASED ON GEOLOGIC MAP OF AN AREA AROUND THE BELEWS CREEK ASH LANDFILL AND EXPANSION SITE, STOKES COUNTY,NORTH CAROLINA (DUKE ENGINEERING & SERVICES, 2001 AND SCHAEFFER, 2001) N DUKE ENERGY PROPERTY BOUNDARY ASH BASIN WASTE BOUNDARY ASH BASIN COMPLIANCE BOUNDARY ASH BASIN COMPLIANCE BOUNDARYCOINCIDENT WITH DUKE ENERGYPROPERTY BOUNDARY CONTACTS Approximate Concealed LegendGEOLOGY (landfill) Pine Hall Road Coal AshLandfill (ud) Disturbed Ground - Areadisturbed by excavation or coveredby fill materials; excavated areas aremainly borrow pits, but includessome cut and fill areas (Qal) Alluvium - Unconsolidatedsand, silt, and clay with occasionalsubhedral to well-rounded pebblesand cobbles (Qt) Terrace Deposits -Unconsolidated alluvial terracedeposits consisting of sand, silt, claythat, in places, contain pebbles andcobbles of quartz; also, deposits oflarge angular quartz in a red matrixof sand, silt, and clay (JrD) Diabase - Medium- to fine-grained diabase dike (TrS) Stoneville Formation - Mudstone, sandstone, and conglomerate OUTCROPPINGS !(Gneiss !(Quartz-Feldspar Gneiss !(Schist 45o Strike and Dip of Foliation 500 0 500 1,000 SCALE (FEET) LITHOLOGY IN BORINGS (TrCB) Cow Branch Formation -Massive to thinly laminated, thin- tomedium-bedded siltstone, claystone,and mud shale with minor amountsof very fine- to medium-grained,medium bedded sandstone; thinlenticular layers of coal in lower 60meters of formation (fsg) Felsic Gneiss and Schist -Interlayered augen gneiss, quartz-feldspar gneiss, flaser gneiss, micaschist, "button" mica schist, micagneiss with subordinate interlayers ofhornblende gneiss and schist, andbiotite gneiss. (TrPH) Pine Hall Formation -Medium- to coarse-grained arkosicsandstone grading into massivesiltstone and mudstone; a basalconglomerate present in somelocalities Flaser Gneiss Flaser Gneiss/Hornblende Gneiss Hornblende Gneiss Hornblende Gneiss and Schist Mica Gneiss Mica Gneiss/Hornblende Gneiss Mica Gneiss/Mica Schist Mica Gneiss/Mica Schist/AugenGneiss Hornblende Gneiss andSchist/Augen Gneiss/Quartz-Feldspar Gneiss ") ") ") ") ") ") ") ") ") Mica Gneiss/Mica Schist/HornblendeGneiss Mica Gneiss/Quartz-FeldsparGneiss/Hornblende Gneiss andSchist Quartz-Feldspar Gneiss Quartz-Feldspar Gneiss/MicaGneiss/Flaser Gneiss Mica Schist/Augen Gneiss/Hornblende Schist Quartz-Feldspar Gneiss/MicaSchist/Flaser Gneiss Mica Schist ") ") ") ") ") ") ") Source: HDR, Comprehensive Site Assessment Report Belews Creek Steam Station Ash Basin, September 9, 2015. Note: The compliance/waste boundaries shown on this figure pre-date 2017 revision. See Figure 2-1 for revised boundaries. <<<<<<<<<<<< <<<<<<<<<<<<<<<! ! !! ! ! ! ! ! ! ( ( (( ( ( ( ( ( ( !!! !!!! !! !! ! !! !!! !! ! ! ! !! !!! !! !! !!! !! !!! !! !! !! !!! ! !!! !!! ! !! !! !! ! !! ! ! ! !! ! ! ! !!! ! !! ! !! !! !! !!!!!! !! ! !! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! !! ! ! ! ! ((( (((( (( (( ( (( ((( (( ( ( ( (( ((( (( (( ((( (( ((( (( (( (( ((( ( ((( ((( ( (( (( (( ( (( ( ( ( (( ( ( ( ((( ( (( ( (( (( (( (((((( (( ( (( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( (( ( ( ( (&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>PINE HALLROAD LANDFILL STRUCTURALFILL ASH BASIN BELEWS RESERVOIRGWA-4S*/D* SB-3 AB-1S/D/BR AB-3S/D AB-4S/SL/D/BR/BRD AB-5S/SL/D AB-6S/SL/D AB-7S/D AB-8S/SL/D AB-9S/D/BR/BRD BG-1S/D BG-2S/D/BR/BRA BG-3S/D GWA-1S/D/BR GWA-2S/D GWA-3S/D GWA-5S*/SA*/D*/BR2* GWA-6S/D GWA-7S/SA/D GWA-8S/D GWA-10S/DA GWA-11S/D GWA-12S/D/BR GWA-16S/D/DA/BR GWA-17S/D MW-1/1D MW-3 MW-4 MW-5 MW-6 MW-101S*/D* MW-104S/D/BR MW-200S/D/BR MW-201D/BR MW2-2* MW-202S/D/BR MW2-3* MW-203S/D/BR MW2-4* MW-204S/D MW2-5* MW2-7 MW2-9 OB-4 OB-5 OB-9 AB-2S/SA/D GWA-19S/SA/D/BR GWA-23S/D GWA-30S/D GWA-31S/D GWA-32S/D MW-2 MW-7 MW-103S/D GWA-18S/SA/D GWA-20S/SA/D/BR GWA-21S/D GWA-22S/D GWA-24S/D/BR GWA-25BR GWA-26S/D/BR GWA-27S/D/BR GWA-9S/D/BR MW-102S*/D* AB-5GTB AB-6GTB BGSB-1 BGSB-2 BGSB-3 GWA-9GTB GWASB-12 OB-1* MW2-1* SFMW-3D SFMW-1D SFMW-2D SFMW-5D SFMW-4D AA'C'CB 'B MARTIN LUTHER KING JR RDOLD PLANTATION RD M I D D L E T O N L O O P P IN E H A L L R D FIGURE 6-2SITE CROSS SECTION LOCATIONSBELEWS CREEK STEAM STATIONDUKE ENERGY CAROLINAS, LLCBELEWS CREEK, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: S. SPINNERCHECKED BY: A. ALBERT 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\Belews Creek Steam Station\MapDocs\CSA_Supplement_2\Fig06-02 Belews - Site Cross Section Locations.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET LEGEND !( GROUNDWATER SAMPLE LOCATION(NOTE: * NEXT TO WELLIDENTIFICATION REPRESENTSABANDONED MONITORING WELL)&>GROUNDWATER AND SOIL SAMPLELOCATION !(SOIL SAMPLE LOCATION ASH BASIN WASTE BOUNDARY ASH BASIN COMPLIANCE BOUNDARY LANDFILL BOUNDARY STRUCTURAL FILL BOUNDARY LANDFILL COMPLIANCE BOUNDARY DUKE ENERGY CAROLINAS BELEWSCREEK PLANT SITE BOUNDARY DESIGNATED EFFLUENT CHANNEL <STREAM (AMEC NRTR 2015) NOTES:CROSS SECTIONS ARE LINEAR IN NATURE AND ALL LOCATIONS NOT ALONGTHE CROSS SECTION ARE PROJECTED ONTO THE CROSS SECTION. SB OR GTB PREFIX INDICATES A SOIL SAMPLE ID. SUFFIXES S, SA, D, DA, BR, BR2, BRD INDICATE A MONITORING WELL ID. ALL BOUNDARIES ARE APPROXIMATE. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON AUGUST 2,2017. AERIAL WAS COLLECTED ON APRIL 8, 2017. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATEPLANE COORDINATE SYSTEM FIPS 3200 (NAD83/2011). A A' (SOUTH)(NORTH) SAPROLITE WATER IN BASIN SAPROLITE SAPROLITESAPROLITE BEDROCK BEDROCK BEDROCK ASH PORE WATER ASH FILL TRANSITION ZONE TRANSITION ZONE FILLMW-202SMW-202DMW-202BRGWA-12SGWA-12DGWA-12BRGWA-23SGWA-23DGWA-8SGWA-8DAB-9SAB-9DAB-9BRAB-9BRDAB-8SAB-8DAB-8SLAB-5SAB-5DAB-8SLAB-5GTBAB-2SAB-2DAB-2GTBMW-102SMW-102DMW-200SMW-200DMW-200BRGWA-24SGWA-24DGWA-24BRBELEWS RESERVOIRDAN RIVERACCESS ROADFILL 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY: SCOTT SPINNER DATE:ADAM FEIGL XSECTAA 10/20/2017 10/27/2017 1:28 PM P:\Duke Energy Carolinas\20. BELEWS CREEK\CSA UPDATE OCT 2017\FIGURES\CrossSections\Belews_XSects_A-C_5xVE.dwg FIGURE 6-3 GENERAL CROSS SECTION A-A' BELEWS CREEK STEAM STATION DUKE ENERGY CAROLINAS, LLC BELEWS CREEK, NORTH CAROLINA 0 100 200 600 HORIZONTAL SCALE: 1" = 600' VERTICAL SCALE: 1" = 120' 5X VERTICAL EXAGGERATION CROSS SECTION LOCATIONA'ANOTE: CROSS SECTION A-A' IS LINEAR IN NATURE AND ALL LOCATIONS NOT ALONG THE CROSS SECTION ARE PROJECTED ONTO THE CROSS SECTION.PINE HALL ROADPINE HALL ROAD ASH LANDFILL ASH BASIN MIDDLETON LOOPGENERALIZED WATER TABLE ASH ASH PORE WATER MW-16BR MW-16D MW-12S ABMW-2 WELL IN DEEP ZONE WELL IN SHALLOW ZONE WELL IN COMPETENT BEDROCK WELL IN ASH PORE WATER LEGEND GENERALIZED GROUNDWATER FLOW DIRECTION BEDROCK SOURCE INFORMATION: SHALLOW ZONE FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION DEEP ZONE FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION BEDROCK FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION ASH FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION NOTES 1.DEPTH TO GROUNDWATER GAUGED IN MONITORING WELLS ON APRIL 3, 2017. ORIGINAL CROSS SECTION BASE OBTAINED FROM HDR, CSA SUPPLEMENT 2, DATED AUGUST 2016. MW-102S ABANDONED WELL/ GEOTECHNICAL BORING WEATHERED ROCK CAROLINAS B B' (WEST)(EAST) ASH PORE WATER SAPROLITE SAPROLITESAPROLITE BEDROCK BEDROCK BEDROCK ASH ASH ASH PORE WATERTRANSITION ZONE TRANSITION ZONE TRANSITION ZONE WATER IN BASIN MIDDLETON LOOP BELEWS RESERVOIRGWA-17SGWA-17DGWA-16SGWA-16DGWA-16BRAB-4SLAB-4SAB-4BRAB-4DAB-4BRDAB-5SLAB-5SAB-5GTBAB-5DAB-6SLAB-6SAB-6GTBAB-6DGWA-5BR2GWA-5BRGWA-5DGWA-5GTBGWA-5SGWA-4DGWA-22SGWA-22DGWA-3SGWA-3DASH BASIN BRANCH148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY: SCOTT SPINNER DATE:ADAM FEIGL XSECTBB 10/20/2017 10/27/2017 1:28 PM P:\Duke Energy Carolinas\20. BELEWS CREEK\CSA UPDATE OCT 2017\FIGURES\CrossSections\Belews_XSects_A-C_5xVE.dwg FIGURE 6-4 GENERAL CROSS SECTION B-B' BELEWS CREEK STEAM STATION DUKE ENERGY CAROLINAS, LLC BELEWS CREEK, NORTH CAROLINA 0 100 200 600 HORIZONTAL SCALE: 1" = 600' VERTICAL SCALE: 1" = 120' 5X VERTICAL EXAGGERATION CROSS SECTION LOCATION B' B NOTE: CROSS SECTION B-B' IS LINEAR IN NATURE AND ALL LOCATIONS NOT ALONG THE CROSS SECTION ARE PROJECTED ONTO THE CROSS SECTION.PINE HALL ROADPINE HALL ROAD ASH LANDFILL ASH BASIN MIDDLETON LOOPSOURCE INFORMATION: NOTES 1.DEPTH TO GROUNDWATER GAUGED IN MONITORING WELLS ON APRIL 3, 2017. ORIGINAL CROSS SECTION BASE OBTAINED FROM HDR, CSA SUPPLEMENT 2, DATED AUGUST 2016.GENERALIZED WATER TABLE ASH ASH PORE WATER MW-16BR MW-16D MW-12S ABMW-2 WELL IN DEEP ZONE WELL IN SHALLOW ZONE WELL IN COMPETENT BEDROCK WELL IN ASH PORE WATER LEGEND GENERALIZED GROUNDWATER FLOW DIRECTION BEDROCK SHALLOW ZONE FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION DEEP ZONE FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION BEDROCK FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION ASH FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION MW-102S ABANDONED WELL/ GEOTECHNICAL BORING WEATHERED ROCK CAROLINAS C C' (SOUTH)(NORTH) SAPROLITE SAPROLITE SAPROLITE BEDROCK BEDROCK BEDROCK BEDROCK TRANSITION ZONEMIDDLETON LOOPPINE HALL ROADGWA-26SGWA-26DGWA-26BRBG-3SBG-3DGWA-25BRTRANSITION ZONE GWA-9SGWA-9DGWA-9BRMW-203SMW-203DMW-203BRGWA-16SGWA-16DGWA-16BRGWA-17SGWA-17DGWA-10SGWA-10DGWA-27SGWA-27DGWA-27BRGWA-11SGWA-11DGWA-1SGWA-1DMW-200SMW-200DMW-200BRDAN RIVER ASH BASIN BRANCH148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY: SCOTT SPINNER DATE:ADAM FEIGL XSECTCC 10/20/2017 10/27/2017 1:28 PM P:\Duke Energy Carolinas\20. BELEWS CREEK\CSA UPDATE OCT 2017\FIGURES\CrossSections\Belews_XSects_A-C_5xVE.dwg FIGURE 6-5 GENERAL CROSS SECTION C-C' BELEWS CREEK STEAM PLANT DUKE ENERGY CAROLINAS, LLC BELEWS CREEK, NORTH CAROLINA 0 100 200 600 HORIZONTAL SCALE: 1" = 600' VERTICAL SCALE: 1" = 120' 5X VERTICAL EXAGGERATION CROSS SECTION LOCATIONC'CNOTE: CROSS SECTION C-C' IS LINEAR IN NATURE AND ALL LOCATIONS NOT ALONG THE CROSS SECTION ARE PROJECTED ONTO THE CROSS SECTION.PINE HALL ROADPINE HALL ROAD ASH LANDFILL ASH BASIN MIDDLETON LOOPSOURCE INFORMATION: NOTES 1.DEPTH TO GROUNDWATER GAUGED IN MONITORING WELLS ON APRIL 3, 2017. ORIGINAL CROSS SECTION BASE OBTAINED FROM HDR, CSA SUPPLEMENT 2, DATED AUGUST 2016. GENERALIZED WATER TABLE MW-16BR MW-16D MW-12S WELL IN DEEP ZONE WELL IN SHALLOW ZONE WELL IN COMPETENT BEDROCK WELL IN ASH PORE WATER LEGEND GENERALIZED GROUNDWATER FLOW DIRECTION BEDROCK SHALLOW ZONE FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION DEEP ZONE FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION BEDROCK FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION ASH PORE WATER FLOW LAYER GROUNDWATER WELL WATER LEVEL ELEVATION WEATHERED ROCK ABMW-2 CAROLINAS ASH PORE WATER <<<<<<<<< <<<<<<<<<<<<<<<& & & & &&& & & & & & & & & & & & & < < < < <<< < < < < < < < < < < < < &< &&& & && & & & & && &&& & & & && && & & && && && & & & && & & & & & & & && & & & & & & & & & & && <<< < << < < < < << <<< < < < << << < < << << << < < < << < < < < < < < << < < < < < < < < < < << & & & & < < < < && & & & & & & &&& & & << < < < < < < <<< < < &< && & && && && & && & && & & & & & & & & & & & & & & & & & & & & & & & & & << < << << << < << < << < < < < < < < < < < < < < < < < < < < < < < < < < & & & < < < BELEWS RESERVOIRELEVATION 725 FT(APPROXIMATE) BELEWS CREEKSTEAM STATION ASH BASINELEVATION 750 FT(APPROXIMATE) STRUCTURALFILL PINE HALLROAD LANDFILL GWA-18S-ANM OB-4NMMW-4NM OB-5NM MW-5NM MW-2NM MW-6NM MW2-1* OB-1*NM MW2-2* MW2-3* MW2-4* MW2-5* AB-1BR AB-1D AB-2D AB-3D AB-4BR AB-4D AB-5D AB-6D AB-7D AB-8D AB-9BR AB-9D BG-1D BG-2BR BG-2D BG-3D GWA-10D GWA-11D GWA-12BR GWA-12D GWA-16BR GWA-16D GWA-17D GWA-18D GWA-19BR GWA-19D GWA-1BR GWA-1D GWA-20BRGWA-20D GWA-21D GWA-22D GWA-23D GWA-24BRGWA-24D GWA-25BR GWA-2D GWA-30D GWA-31D GWA-32D GWA-3D GWA-4D* GWA-5BR2* GWA-5D* GWA-6D GWA-7D GWA-8D GWA-9D MW-104BR MW-200BR MW-201BR MW-202BR MW-203BR MW-1D MW2-7 MW2-9 MW-7NMOB-9 MW-200D MW-201D MW-202D MW-203D MW-204D MW-101D*MW-102D*MW-103D MW-104D BG-2BRA SFMW-1D SFMW-2D SFMW-3D SFMW-4D SFMW-5D AB-4SL755.14 AB-5SL756.03 AB-6SL759.74 AB-8SL757.54 GWA-17S750.43 GWA-21S718.92 AB-1S732.08 AB-2S742.63 AB-3S734.83 AB-4S755.4 AB-5S755.76 AB-6S759.83 AB-7S759.48 AB-8S757.72 AB-9S759.36 BG-1S763.94 BG-2S763.78 BG-3S812.43 GWA-10S742.29 GWA-11S727.00 GWA-12S781.41 GWA-16S750.25 GWA-1S716.92 GWA-23S785.19 GWA-2S748.69 GWA-3S727.48 GWA-6S759.58 GWA-7SA786.53 GWA-8S803.86 GWA-9S751.75 MW-3799.58 MW-202SNM MW-103S678.53 MW-104S757.63 MW-204SNM MW-203SNM MW-200SNM MW-102S*NM MW-1NM GWA-26BR GWA-26D GWA-26SNM 810 8 0 0 76075068069070071072073074079 0780 7 6 0 7 40 730770 750770 800 7506806907007107207307407 9 0 780 760 740730750MW-101S*NM BC6 BC1 BC3 BC7 BC4 BC24 BC19 BC31 BC18 BC34 BC25 BC10 BC8R2 BC8 BC11 BC-1007 BC2004-RAW BC26 BC16 BC-1005 BC5 BC17 BC2019-RAW BC12 BC13 BC9 BC-1003 BC14 BC2000-RAW BC2026-RAW BC-1002 BC15 BC20 BC21 BC30 BC35 BC33 BC-1000 BC-1001 BC-1004 BC-1006 BC2 Well 2 BC2 Well 1 BC4A BC4B BC2021-RAW BC32 PERDUE HOLLOW RD OL D P L A N T A T I O N R D M A R T IN L U T H E R K IN G J R R D M I D D L E T O N L O O P P I N E H A L L R D DRAWN BY: B. YOUNGPROJECT MANAGER: S. SPINNERCHECKED BY: A. ALBERT 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\Belews Creek Steam Station\MapDocs\CSA_Supplement_2\Fig06-06 Belews - Water Level - Shallow_Wet.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET NOTES:WATER LEVELS WERE COLLECTED BY PACE ANALYTICAL SERVICES. APRIL 3, 2017. NM - NOT MEASURED DURING 24-HOUR WATER LEVEL EVENT. ELEVATIONS ARE REFERENCED TO THE NORTH AMERICAN VERTICAL DATUM 88(NAVD 88). PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON AUGUST 2, 2017.AERIAL WAS COLLECTED ON APRIL 8, 2017. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83/2011). FIGURE 6-6SHALLOW WATER LEVEL MAPAPRIL 2017 - W ET SEASONBELEWS CREEK STEAM STATIONDUKE ENERGY CAROLINAS, LLCBELEWS CREEK , NORTH CAR OLINA LEGEND WATER LEVEL CONTOUR IN FEET (NAVD 88) GROUNDWATER FLOW DIRECTION &<ASSESSMENT WELLELEVATION IN FEET (NAVD 88) &<BACKGROUND COMPLIANCE WELLELEVATION IN FEET (NAVD 88) &<DOWNGRADIENT COMPLIANCE WELLELEVATION IN FEET (NAVD 88) &<MONITORING WELLELEVATION IN FEET (NAVD 88) WATER SUPPLY WELL SAMPLED BY NCDEQ (2015)OR BY DUKE ENERGY (2017) WATER SUPPLY WELL NOT SAMPLED ABANDONED WELLMW-101* INFERRED WATER LEVEL CONTOUR (NAVD 88) STREAM (AMEC NRTR 2015)< LANDFILL BOUNDARY STRUCTURAL FILL BOUNDARY ASH BASIN WASTE BOUNDARY DUKE ENERGY CAROLINAS BELEWS CREEK PLANTSITE BOUNDARY ASH BASIN COMPLIANCE BOUNDARY LANDFILL COMPLIANCE BOUNDARY DESIGNATED EFFLUENT CHANNEL <<<<<<<<< <<<<<<<<<<<<<<<& & & & &&& & & & & & & & & & & & & < < < < <<< < < < < < < < < < < < < &< &&& & && & & & & && &&& & & & && && & & && && && & & & && & & & & & & & && & & & & & & & & & & && <<< < << < < < < << <<< < < < << << < < << << << < < < << < < < < < < < << < < < < < < < < < < << & & & & < < < < && & & & & & & &&& & & << < < < < < < <<< < < &< && & && && && & && & && & & & & & & & & & & & & & & & & & & & & & & & & & << < << << << < << < << < < < < < < < < < < < < < < < < < < < < < < < < < & & & < < < BELEWS RESERVOIRELEVATION 725 FT(APPROXIMATE) BELEWS CREEKSTEAM STATION ASH BASINELEVATION 750 FT(APPROXIMATE) MW-102S*NM STRUCTURALFILL PINE HALLROAD LANDFILL MW-1NM GWA-26BR GWA-26SNM GWA-26D GWA-18S-ANM OB-1*NM MW2-1* MW2-2* MW2-3* MW2-4* MW2-5* OB-4NMMW-4NM OB-5NM MW-5NM MW-2NM MW-6NM AB-1BR AB-1D AB-2D AB-3D AB-4BR AB-4D AB-5D AB-6D AB-7D AB-8D AB-9BR AB-9D BG-1D BG-2BR BG-2D BG-3D GWA-10D GWA-11D GWA-12BR GWA-12D GWA-16BR GWA-16D GWA-17D GWA-18D GWA-19BR GWA-19D GWA-1BR GWA-1D GWA-20BRGWA-20D GWA-21D GWA-22D GWA-23D GWA-24BRGWA-24D GWA-25BR GWA-2D GWA-30D GWA-31D GWA-32D GWA-3D GWA-4D* GWA-5BR2* GWA-5D* GWA-6D GWA-7D GWA-8D GWA-9D MW-104BR MW-200BR MW-201BR MW-202BR MW-203BR MW-1D MW2-7 MW2-9 MW-7NM OB-9 MW-200D MW-201D MW-202D MW-203D MW-204D MW-101D*MW-102D*MW-103D MW-104D SFMW-1D SFMW-2D SFMW-3D SFMW-4D SFMW-5D BG-2BRA AB-4SL754.60 AB-5SL755.73 AB-6SL761.03 AB-8SL756.68 GWA-17S749.79 GWA-21S719.48 AB-1S732.57 AB-2S742.31 AB-3S734.57 AB-4S754.68 AB-5S755.48 AB-6S761.10 AB-7S758.84 AB-8S756.59 AB-9S758.06 BG-1S763.96 BG-2S769.89 BG-3S814.57 GWA-10S741.57 GWA-11S729.20 GWA-12S781.78 GWA-16S748.98 GWA-1S719.77 GWA-23S785.06 GWA-2S748.26 GWA-3S727.39 GWA-6S760.99 GWA-7SA788.20 GWA-8S805.39 GWA-9S751.89 MW-3800.93 MW-202S743.61 MW-103S677.53 MW-104S758.41 MW-204SNM MW-203SNM MW-200SNM GWA-5S*761.86 GWA-22SNM 810 8 0 0 76075068069070071072073074079 0780 7 6 0 7 40 730770 750770 8 0 0 7506806907007107207307407 9 0 780 760 740730750MW-101S*NM BC21 BC20 BC30 BC35 BC33 BC31 BC18 BC2026-RAW BC2000-RAW BC24 BC13 BC-1004 BC14 BC17 BC-1005 BC34 BC19 BC-1002 BC2004-RAW BC25 BC-1001 BC-1006 BC-1003 BC16 BC26 BC10 BC8 BC5 BC-1007 BC4 BC4B BC4A BC2019-RAW BC2 Well 1 BC2 Well 2 BC9 BC2021-RAW BC11 BC7 BC-1000 BC3 BC1 BC6 BC12 BC15 BC32 PERDUE HOLLOW RD OL D P L A N T A T I O N R D M A R T IN L U T H E R K IN G J R R D MIDDLETON LOOPP I N E H A L L R D DRAWN BY: B. YOUNGPROJECT MANAGER: S. SPINNERCHECKED BY: A. ALBERT 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\Belews Creek Steam Station\MapDocs\CSA_Supplement_2\Fig06-07 Belews - Water Level - Shallow_Dry.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET NOTES:WATER LEVELS WERE COLLECTED BY PACE ANALYTICAL SERVICES SEPTEMBER 20,2016. NM - NOT MEASURED DURING 24-HOUR WATER LEVEL EVENT. ELEVATIONS ARE REFERENCED TO THE NORTH AMERICAN VERTICAL DATUM 88(NAVD 88). PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON AUGUST 2, 2017.AERIAL WAS COLLECTED ON APRIL 8, 2017. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83/2011).FIGURE 6-7SHALLOW WATER LEVEL MAPSEPTEMBER 2016 - DRY SEASONBELEWS CREEK STEAM STATIONDUKE ENERGY CAROLINAS, LLCBELEWS CREEK , NORTH CAR OLINA LEGEND WATER LEVEL CONTOUR IN FEET (NAVD 88) INFERRED WATER LEVEL CONTOUR (NAVD 88) GROUNDWATER FLOW DIRECTION &<ASSESSMENT WELLELEVATION IN FEET (NAVD 88) &<BACKGROUND COMPLIANCE WELLELEVATION IN FEET (NAVD 88) &<DOWNGRADIENT COMPLIANCE WELLELEVATION IN FEET (NAVD 88) &<MONITORING WELLELEVATION IN FEET (NAVD 88) WATER SUPPLY WELL SAMPLED BY NCDEQ (2015)OR BY DUKE ENERGY (2017) WATER SUPPLY WELL NOT SAMPLED ABANDONED WELLMW-101* LANDFILL BOUNDARY STRUCTURAL FILL BOUNDARY ASH BASIN WASTE BOUNDARY DUKE ENERGY CAROLINAS BELEWS CREEK PLANTSITE BOUNDARY ASH BASIN COMPLIANCE BOUNDARY LANDFILL COMPLIANCE BOUNDARY STREAM (AMEC NRTR 2015)< DESIGNATED EFFLUENT CHANNEL <<<<<<<<<<<< <<<<<<<<<<<<<<<&& & & & & & & &&& & && << < < < < < < <<< < << &< & & & < < < &&& & &&& && && & && && &&& & & & && && & & && && && & & & && & & & & & & && & & & & & & & & & & && <<< < <<< << << < << << <<< < < < << << < < << << << < < < << < < < < < < << < < < < < < < < < < << & & & & &&& & & & & & & & & & & & < < < < <<< < < < < < < < < < < < &< & & & & < < < < && & & & & & & & && & & & & & & & & & & & & & & & & & & & & & & & & & & << < < < < < < < << < < < < < < < < < < < < < < < < < < < < < < < < < < BELEWS RESERVOIRELEVATION 725 FT(APPROXIMATE) BELEWS CREEKSTEAM STATION ASH BASINELEVATION 750 FT(APPROXIMATE) GWA-26BR GWA-26S GWA-26DNM STRUCTURALFILLPINE HALLROAD LANDFILL OB-1* MW2-1*NM MW2-2*NM MW2-3*NM MW2-4*NM MW2-5*NM MW-202D742.47 AB-1S AB-4S AB-4SL AB-5SL AB-6SL AB-8SL AB-9S BG-2S GWA-12S GWA-16S GWA-18S-A GWA-19S-A GWA-1S GWA-20S-A GWA-21S GWA-24S GWA-30S GWA-3S MW-202S MW-204S MW-102S* MW-104S AB-1BR AB-2S AB-3S AB-4BR AB-5S AB-6S AB-7SAAB-8S AB-9BR BG-1S BG-2BR BG-3S GWA-10S GWA-11S GWA-12BR GWA-16BR GWA-17S GWA-19BR GWA-1BR GWA-20BR GWA-22S GWA-23S GWA-24BR GWA-25BR GWA-2S GWA-31S GWA-32S GWA-5BR2* GWA-5S* GWA-6S GWA-7SGWA-8S GWA-9S MW-104BR MW-200BR MW-201BR MW-202BR MW-203BR MW-1MW-1D MW-2 MW-3 MW-4 MW-5 MW-6 OB-4 OB-5 MW-200S MW-203S MW-101S*MW-103S BG-2BRA SFMW-1DNM SFMW-2DNM SFMW-3DNM SFMW-4DNM SFMW-5DNM GWA-17D749.9 GWA-18D748.53 GWA-19DNM GWA-21D717.28 GWA-22DNM GWA-30DNM MW-201DNM MW-204DNM MW-101D*NM MW-102D*NM MW-103D678.00 AB-1D734.10 AB-2D733.52 AB-3D724.58 AB-4D755.11 AB-5D755.39 AB-6D758.56 AB-7D759.59 AB-8D757.42 AB-9D758.54 BG-1DNM BG-2D765.51 BG-3D814.20 GWA-10D741.01 GWA-11D723.65 GWA-12D781.72 GWA-16D748.02 GWA-1D715.17 GWA-20D746.63 GWA-23D787.82 GWA-24D627.52 GWA-2D748.02 GWA-31DNM GWA-32DNM GWA-3D727.5 GWA-4D*NM GWA-5D*NM GWA-6D753.5 GWA-7D785.57GWA-8D800.49 GWA-9D749.93 MW2-7NM MW2-9NM MW-7NM OB-9NM MW-200DNM MW-203DNM MW-104D757.84 810 630640650750660670680690700710720730740790 7407 3 0780 7 6 0770 750770 620 800 7606 3 0 6 4 0 6 5 0 750660670680690700710720730740790 740730780 760 750800 BC21 BC35 BC30 BC20 BC2026-RAW BC18 BC2000-RAW BC31BC33 BC13BC24 BC19 BC17 BC2004-RAW BC34 BC-1005 BC-1004 BC14 BC-1002 BC5 BC25 BC-1001 BC-1006 BC-1003 BC16 BC26 BC10 BC8R2 BC8 BC4B BC4 BC4A BC2019-RAW BC2 Well 1 BC2 Well 2 BC-1007 BC9 BC2021-RAW BC-1000 BC7 BC11 BC3 BC1 BC12 BC15 BC6 PERDUE HOLLOW RD OL D P L A N T A T I O N R D M A R T IN L U T H E R K IN G J R R D MIDDLETON LOOPPINE HALL RDDRAWN BY: B. YOUNGPROJECT MANAGER: S. SPINNERCHECKED BY: A. ALBERT 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\Belews Creek Steam Station\MapDocs\CSA_Supplement_2\Fig06-08 Belews - Water Level - Deep_Wet.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET NOTES:WATER LEVELS WERE COLLECTED BY PACE ANALYTICAL SERVICES APRIL 3, 2017. NM - NOT MEASURED DURING 24-HOUR WATER LEVEL EVENT. ELEVATIONS ARE REFERENCED TO THE NORTH AMERICAN VERTICAL DATUM 88(NAVD 88). PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON AUGUST 2, 2017.AERIAL WAS COLLECTED ON APRIL 8, 2017. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83/2011). FIGURE 6-8DEEP WATER LEVEL MAPAPRIL 2017 - W ET SEASONBELEWS CREEK STEAM STATIONDUKE ENERGY CAROLINAS, LLCBELEWS CREEK , NORTH CAR OLINA WATER LEVEL CONTOUR IN FEET (NAVD 88) GROUNDWATER FLOW DIRECTION LEGEND &<ASSESSMENT WELLELEVATION IN FEET (NAVD 88) &<BACKGROUND COMPLIANCE WELLELEVATION IN FEET (NAVD 88) &<DOWNGRADIENT COMPLIANCE WELLELEVATION IN FEET (NAVD 88) &<MONITORING WELLELEVATION IN FEET (NAVD 88) WATER SUPPLY WELL SAMPLED BY NCDEQ (2015)OR BY DUKE ENERGY (2017) WATER SUPPLY WELL NOT SAMPLED ABANDONED WELLMW-101* INFERRED WATER LEVEL CONTOUR (NAVD 88) LANDFILL BOUNDARY STRUCTURAL FILL BOUNDARY ASH BASIN WASTE BOUNDARY DUKE ENERGY CAROLINAS BELEWS CREEK PLANTSITE BOUNDARY ASH BASIN COMPLIANCE BOUNDARY LANDFILL COMPLIANCE BOUNDARY STREAM (AMEC NRTR 2015)< DESIGNATED EFFLUENT CHANNEL <<<<<<<<<<<< <<<<<<<<<<<<<<<&& & & & & & & &&& & && << < < < < < < <<< < << &< & & & < < < &&& & &&& && && & && && &&& & & & && && & & && && && & & & && & & & & & & && & & & & & & & & & & && <<< < <<< << << < << << <<< < < < << << < < << << << < < < << < < < < < < << < < < < < < < < < < << & & & & &&& & & & & & & & & & & & < < < < <<< < < < < < < < < < < < &< & & & & < < < < && & & & & & & & && & & & & & & & & & & & & & & & & & & & & & & & & & & << < < < < < < < << < < < < < < < < < < < < < < < < < < < < < < < < < < BELEWS RESERVOIRELEVATION 725 FT(APPROXIMATE) BELEWS CREEKSTEAM STATION ASH BASINELEVATION 750 FT(APPROXIMATE) STRUCTURALFILL PINE HALLROAD LANDFILL GWA-26BRGWA-26S GWA-26DNM 800 OB-1* MW2-1*NM MW2-2*NM MW2-3*NM MW2-4*NM MW2-5*NM MW-202D744.82 AB-1S AB-4S AB-4SL AB-5SL AB-6SL AB-8SL AB-9S BG-2S GWA-12S GWA-16S GWA-18S-A GWA-19S-A GWA-1S GWA-20S-A GWA-21S GWA-24S GWA-30S GWA-3S MW-202S MW-204S MW-102S* MW-104S AB-1BR AB-2S AB-3S AB-4BR AB-5S AB-6S AB-7SAB-8S AB-9BR BG-1S BG-2BR BG-3S GWA-10S GWA-11S GWA-12BR GWA-16BR GWA-17S GWA-19BR GWA-1BR GWA-20BR GWA-22S GWA-23S GWA-24BR GWA-25BR GWA-2S GWA-31S GWA-32S GWA-5BR2* GWA-5S* GWA-6S GWA-7SA GWA-8S GWA-9S MW-104BR MW-200BR MW-201BR MW-202BR MW-203BR MW-1MW-1D MW-2 MW-3 MW-4 MW-5 MW-6 OB-4 OB-5 MW-200S MW-203S MW-101S*MW-103S BG-2BRA GWA-17D749.37 GWA-18D747.38 GWA-19DNM GWA-21D718.05 GWA-22DNM GWA-30DNM MW-201DNM MW-204DNM MW-101D*NM MW-102D*NM MW-103D677.04 AB-1D734.10 AB-2D733.52 AB-3D723.93 AB-4D754.67 AB-5D755.51 AB-6D759.07 AB-7D759.95 AB-8D756.45 AB-9D757.44 BG-1D761.72 BG-2D766.96 BG-3D816.46 GWA-10D740.31 GWA-11D723.36 GWA-12D782.02 GWA-16D747.63 GWA-1D716.42 GWA-20D746.63 GWA-23D787.68 GWA-24D627.00 GWA-2D747.53 GWA-31DNM GWA-32DNM GWA-3D727.39 GWA-4D*754.39 GWA-5D*760.99 GWA-6D754.31 GWA-7D787.09 GWA-8D801.90 GWA-9D749.95 MW2-7NM MW2-9NM MW-7NM OB-9NM MW-200DNM MW-203DNM MW-104D758.32 SFMW-1DNM SFMW-2DNM SFMW-5DNM SFMW-4DNM SFMW-3DNM810630640650 750660670680690700710720730740790 7407 3 0780 7 6 0770 750770 620 8 0 0 7606 3 0 6 4 0 6 5 0 7506606706806907007107207307407 9 0 740730780 760 750BC21 BC35 BC30 BC20 BC2026-RAW BC18 BC2000-RAW BC31BC33 BC13BC24 BC19 BC17 BC2004-RAW BC34 BC-1005 BC-1004 BC14 BC-1002 BC5 BC25 BC-1001 BC-1006 BC-1003 BC16 BC26 BC10 BC8R2 BC8 BC4B BC4 BC4A BC2019-RAW BC2 Well 1 BC2 Well 2 BC-1007 BC9 BC2021-RAW BC-1000 BC7 BC11 BC3 BC1 BC12 BC15 BC6 PERDUE HOLLOW RD OL D P L A N T A T I O N R D M A R T IN L U T H E R K IN G J R R D MIDDLETON LOOPPINE HALL RDDRAWN BY: B. YOUNGPROJECT MANAGER: S. SPINNERCHECKED BY: A. ALBERT DATE: 10/19/2017 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Belews Creek Steam Station\MapDocs\CSA_Supplement_2\Fig06-09 Belews - Water Level - Deep_Dry.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET NOTES:WATER LEVELS WERE COLLECTED BY PACE ANALYTICAL SERVICES SEPTEMBER 20,2016. NM - NOT MEASURED DURING 24-HOUR WATER LEVEL EVENT. ELEVATIONS ARE REFERENCED TO THE NORTH AMERICAN VERTICAL DATUM 88(NAVD 88). PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON AUGUST 2, 2017.AERIAL WAS COLLECTED ON APRIL 8, 2017. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83/2011).FIGURE 6-9DEEP WATER LEVEL MAPSEPTEMBER 2016 - DRY SEASONBELEWS CREEK STEAM STATIONDUKE ENERGY CAROLINAS, LLCBELEWS CREEK , NORTH CAR OLINA WATER LEVEL CONTOUR IN FEET (NAVD 88) INFERRED WATER LEVEL CONTOUR (NAVD 88) GROUNDWATER FLOW DIRECTION LEGEND &<ASSESSMENT WELLELEVATION IN FEET (NAVD 88) &<BACKGROUND COMPLIANCE WELLELEVATION IN FEET (NAVD 88) &<DOWNGRADIENT COMPLIANCE WELLELEVATION IN FEET (NAVD 88) &<MONITORING WELLELEVATION IN FEET (NAVD 88) WATER SUPPLY WELL SAMPLED BY NCDEQ (2015)OR BY DUKE ENERGY (2017) WATER SUPPLY WELL NOT SAMPLED ABANDONED WELLMW-101* LANDFILL BOUNDARY STRUCTURAL FILL BOUNDARY ASH BASIN WASTE BOUNDARY DUKE ENERGY CAROLINAS BELEWS CREEK PLANTSITE BOUNDARY ASH BASIN COMPLIANCE BOUNDARY LANDFILL COMPLIANCE BOUNDARY STREAM (AMEC NRTR 2015)< DESIGNATED EFFLUENT CHANNEL <<<<<<<<<<<< <<<<<<<<<<<<<<<&& & & & & & & & & & & &&&&&& && & & & & & && & & & & << < < < < < < < < < < <<<<<< << < < < < < << < < < < &&<< && & && && << < << << &&&& && &&& &&& &&& && &&& && &&&& && && && && && && && && && && && && && && && && && && && & && && && && && && <<<< << <<< <<< <<< << <<< << <<<< << << << << << << << << << << << << << << << << << << << < << << << << << <<&< & & & & & & & & & & & & & & & & & & & < < < < < < < < < < < < < < < < < < < BELEWS RESERVOIRELEVATION 725 FT(APPROXIMATE) BELEWS CREEKSTEAM STATION ASH BASINELEVATION 750 FT(APPROXIMATE) 7 1 0 630630 650670690710STRUCTURALFILL PINE HALLROAD LANDFILL GWA-26BRNM GWA-26S GWA-26D OB-1* MW2-1* MW2-2* MW2-3* MW2-4* MW2-5* AB-1D AB-1S AB-2D AB-2S AB-3D AB-3S AB-4D AB-4S AB-4SL AB-5D AB-5S AB-5SL AB-6DAB-6S AB-6SL AB-7D AB-7S AB-8DAB-8S AB-8SL AB-9D AB-9S GWA-10D GWA-10S GWA-11D GWA-11S GWA-12D GWA-12S GWA-16D GWA-16S GWA-17D GWA-17S GWA-18D GWA-18S-A GWA-19D GWA-19S-A GWA-1D GWA-1S GWA-20D GWA-20S-A GWA-21D GWA-21S GWA-22DGWA-22S GWA-23D GWA-23S GWA-24D GWA-24S GWA-2D GWA-2S GWA-30D GWA-30S GWA-31D GWA-31S GWA-32D GWA-32S GWA-3DGWA-3S GWA-4D* GWA-5D* GWA-5S* GWA-6D GWA-6S GWA-7D GWA-7SA GWA-8D GWA-8S GWA-9D GWA-9S BG-1D BG-1S BG-2D BG-2S BG-3DBG-3S MW-202D MW-202S MW-200D MW-200S MW-201D MW-203D MW-203S MW-204D MW-204S MW-101D* MW-101S*MW-102D* MW-102S* MW-103D MW-103S MW-104D MW-104S MW-1 MW-2 MW2-7 MW2-9 MW-3 MW-4 MW-5 MW-6 MW-7 OB-4 OB-5 OB-9 SFMW-1D SFMW-2D SFMW-3D SFMW-4D SFMW-5D GWA-25BRNM AB-1BRNM AB-4BR755.13 AB-9BR758.23 GWA-12BR773.12 GWA-16BR746.17 GWA-19BR717.12 GWA-1BR677.06 GWA-20BR741.64 GWA-24BR615.68 GWA-5BR2*NM MW-104BRNM MW-200BR636.42 MW-201BR749.35 MW-203BR752.27 BG-2BR766.03 MW-202BR742.4 MW-1DNM BG-2BRANM 620 6406607 7 0 700 7 2 0 760 7 3 0 740750 7507507606 2 0 6807007207307407 6 0 7 5 0 760BC21 BC35 BC30 BC20 BC2026-RAW BC18 BC2000-RAW BC31BC33 BC13BC24 BC19 BC17 BC2004-RAW BC34 BC-1005 BC-1004 BC14 BC-1002 BC5 BC25 BC-1001 BC-1006 BC-1003 BC16 BC26 BC10 BC8R2 BC8 BC4B BC4 BC4A BC2019-RAW BC2 Well 1 BC2 Well 2 BC-1007 BC9 BC2021-RAW BC-1000 BC7 BC11 BC3 BC1 BC12 BC15 BC6 PERDUE HOLLOW RD O L D P L A N T A T I O N R D M A R T IN L U T H E R K IN G J R R D MIDDLETON LOOPP I N E H A L L R D DRAWN BY: B. YOUNGPROJECT MANAGER: S. SPINNERCHECKED BY: A. ALBERT DATE: 10/19/2017 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Belews Creek Steam Station\MapDocs\CSA_Supplement_2\Fig06-10 Belews - Water level - Bedrock_Wet.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET NOTES:WATER LEVELS WERE COLLECTED BY PACE ANALYTICAL SERVICES APRIL 3, 2017. NM - NOT MEASURED DURING 24-HOUR WATER LEVEL EVENT. ELEVATIONS ARE REFERENCED TO THE NORTH AMERICAN VERTICAL DATUM 88(NAVD 88). PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON AUGUST 2, 2017.AERIAL WAS COLLECTED ON APRIL 8, 2017. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83/2011).FIGURE 6-10BEDROCK WATER LEVEL MAPAPRIL 2017 - W ET SEASONBELEWS CREEK STEAM STATIONDUKE ENERGY CAROLINAS, LLCBELEWS CREEK , NORTH CAR OLINA WATER LEVEL CONTOUR IN FEET (NAVD 88) GROUNDWATER FLOW DIRECTION LEGEND &< ASSESSMENT WELLELEVATION IN FEET (NAVD 88) &< BACKGROUND COMPLIANCE WELLELEVATION IN FEET (NAVD 88) &< DOWNGRADIENT COMPLIANCE WELLELEVATION IN FEET (NAVD 88) &< MONITORING WELLELEVATION IN FEET (NAVD 88) WATER SUPPLY WELL SAMPLED BY NCDEQ (2015)OR BY DUKE ENERGY (2017) WATER SUPPLY WELL NOT SAMPLED ABANDONED WELLMW-101* INFERRED WATER LEVEL CONTOUR (NAVD 88) LANDFILL BOUNDARY STRUCTURAL FILL BOUNDARY ASH BASIN WASTE BOUNDARY DUKE ENERGY CAROLINAS BELEWS CREEK PLANTSITE BOUNDARY ASH BASIN COMPLIANCE BOUNDARY LANDFILL COMPLIANCE BOUNDARY STREAM (AMEC NRTR 2015)< DESIGNATED EFFLUENT CHANNEL <<<<<<<<<<<< <<<<<<<<<<<<<<<&& & & & & & & & & & & &&&&&& && & & & & & && & & & & << < < < < < < < < < < <<<<<< << < < < < < << < < < < &&<< && & && && << < << << &&&& && &&& &&& &&& && &&& && &&&& && && && && && && && && && && && && && && && && && && && & && && && && && && <<<< << <<< <<< <<< << <<< << <<<< << << << << << << << << << << << << << << << << << << << < << << << << << <<&< & & & & & & & & & & & & & & & & & & & < < < < < < < < < < < < < < < < < < < BELEWS RESERVOIRELEVATION 725 FT(APPROXIMATE) BELEWS CREEKSTEAM STATION ASH BASINELEVATION 750 FT(APPROXIMATE) STRUCTURALFILL PINE HALLROAD LANDFILL GWA-26BRNM GWA-26S GWA-26D OB-1* MW2-1* MW2-2* MW2-3* MW2-4* MW2-5* AB-1D AB-1S AB-2D AB-2S AB-3D AB-3S AB-4D AB-4S AB-4SL AB-5D AB-5S AB-5SL AB-6DAB-6S AB-6SL AB-7D AB-7S AB-8DAB-8S AB-8SL AB-9D AB-9S GWA-10D GWA-10S GWA-11D GWA-11S GWA-12D GWA-12S GWA-16D GWA-16S GWA-17D GWA-17S GWA-18D GWA-18S-A GWA-19D GWA-19S-A GWA-1D GWA-1S GWA-20D GWA-20S-A GWA-21D GWA-21S GWA-22DGWA-22S GWA-23D GWA-23S GWA-24D GWA-24S GWA-2D GWA-2S GWA-30D GWA-30S GWA-31D GWA-31S GWA-32D GWA-32S GWA-3DGWA-3S GWA-4* GWA-5D* GWA-5S* GWA-6D GWA-6S GWA-7D GWA-7SA GWA-8D GWA-8S GWA-9D GWA-9S BG-1D BG-1S BG-2D BG-2S BG-3DBG-3S MW-202D MW-202S MW-200D MW-200S MW-201D MW-203D MW-203S MW-204D MW-204S MW-101D* MW-101S*MW-102D* MW-102S* MW-103D MW-103S MW-104D MW-104S MW-1 MW-2 MW2-7 MW2-9 MW-3 MW-4 MW-5 MW-6 MW-7 OB-4 OB-5 OB-9 SFMW-1D SFMW-2D SFMW-5D SFMW-4D SFMW-3D GWA-25BRNM AB-1BRNM AB-4BR754.72 AB-9BR757.02 GWA-12BR774.49 GWA-16BR746.05 GWA-19BRNM GWA-1BR677.06 GWA-20BRNM GWA-24BRNM GWA-5BR2*759.07 MW-104BRNM MW-200BRNM MW-201BR748.46 MW-203BR751.91 BG-2BR767.56 MW-202BR744.77 MW-1DNM 620 6406607 7 0 7 0 0 7 2 0 760730740750 7507507606 2 0 6807007207307407 6 0 7 5 0 760630 630650670690710BC21 BC35 BC30 BC20 BC2026-RAW BC18 BC2000-RAW BC31BC33 BC13BC24 BC19 BC17 BC2004-RAW BC34 BC-1005 BC-1004 BC14 BC-1002 BC5 BC25 BC-1001 BC-1006 BC-1003 BC16 BC26 BC10 BC8R2 BC8 BC4B BC4 BC4A BC2019-RAW BC2 Well 1 BC2 Well 2 BC-1007 BC9 BC2021-RAW BC-1000 BC7 BC11 BC3 BC1 BC12 BC15 BC6 BG-2BRANM PERDUE HOLLOW RD O L D P L A N T A T I O N R D M A R T IN L U T H E R K IN G J R R D MIDDLETON LOOPP I N E H A L L R D DRAWN BY: B. YOUNGPROJECT MANAGER: S. SPINNERCHECKED BY: A. ALBERT DATE: 10/19/2017 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Belews Creek Steam Station\MapDocs\CSA_Supplement_2\Fig06-11 Belews - Water level - Bedrock_Dry.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET NOTES:WATER LEVELS WERE COLLECTED BY PACE ANALYTICAL SERVICES SEPTEMBER 20,2016. NM - NOT MEASURED DURING 24-HOUR WATER LEVEL EVENT. ELEVATIONS ARE REFERENCED TO THE NORTH AMERICAN VERTICAL DATUM 88(NAVD 88). PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON AUGUST 2, 2017.AERIAL WAS COLLECTED ON APRIL 8, 2017. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83/2011).FIGURE 6-11BEDROCK WATER LEVEL MAPSEPTEMBER 2016 - DRY SEASONBELEWS CREEK STEAM STATIONDUKE ENERGY CAROLINAS, LLCBELEWS CREEK , NORTH CAR OLINA WATER LEVEL CONTOUR IN FEET (NAVD 88) INFERRED WATER LEVEL CONTOUR (NAVD 88) GROUNDWATER FLOW DIRECTION LEGEND &< ASSESSMENT WELLELEVATION IN FEET (NAVD 88) &< BACKGROUND COMPLIANCE WELLELEVATION IN FEET (NAVD 88) &< DOWNGRADIENT COMPLIANCE WELLELEVATION IN FEET (NAVD 88) &< MONITORING WELLELEVATION IN FEET (NAVD 88) WATER SUPPLY WELL SAMPLED BY NCDEQ (2015)OR BY DUKE ENERGY (2017) WATER SUPPLY WELL NOT SAMPLED ABANDONED WELLMW-101* LANDFILL BOUNDARY STRUCTURAL FILL BOUNDARY ASH BASIN WASTE BOUNDARY DUKE ENERGY CAROLINAS BELEWS CREEK PLANTSITE BOUNDARY ASH BASIN COMPLIANCE BOUNDARY LANDFILL COMPLIANCE BOUNDARY STREAM (AMEC NRTR 2015)< DESIGNATED EFFLUENT CHANNEL <<<<<<<<<<<<<<< < <<<<&< &< &< &< &< &< &< &< &< ASH BASIN BELEWS RESERVOIR STRUCTURAL FILL PINE HALL ROAD LANDFILL M A R T IN L U T H E R K IN G J R R D AB-4D to AB-4BR 0.00 AB-9D to AB-9BR 0.01 BG-2D to BG-2BR -0.05 GWA-12D to GWA-12BR 0.20 GWA-16D to GWA-16BR 0.04 GWA-20D to GWA-20BR 0.19 GWA-24D to GWA-24BR 0.24 AB-9D to AB-9BRD 0.00 GWA-19S to GWA-19BR 0.24 GEORGIA RDDUKE PO WER STEAM PLANT RDMIDDLETON LOOPPINE HALL RD<<<<<<<<<<<<< < <<<<&<&<&< &< &<&<&<&< &< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< ASH BASIN BELEWS RESERVOIR STRUCTURAL FILL PINE HALL ROAD LANDFILL D A L T ON MH P R D M A R T IN L U T H E R K IN G J R R D AB-1S to AB-1D -0.06 AB-2S to AB-2D 0.09 AB-3S to AB-3D 0.15 AB-4S to AB-4D 0.00 AB-5S to AB-5D 0.00 AB-5SL to AB-5D 0.01 AB-6S to AB-6D 0.02 AB-6SL to AB-6D 0.02 AB-7S to AB-7D 0.00 AB-8S to AB-8D 0.00 AB-8SL to AB-8D 0.00 AB-9S to AB-9D 0.01 BG-2S to BG-2D -0.07 BG-3S to BG-3D -0.05 GWA-10S to GWA-10D 0.03 GWA-11S to GWA-11D 0.10 GWA-12S to GWA-12D -0.02 GWA-16S to GWA-16D 0.09 GWA-17S to GWA-17D 0.03 GWA-1S to GWA-1D 0.05 GWA-21S to GWA-21D 0.10 GWA-23S to GWA-23D -0.1 GWA-2S to GWA-2D 0.04 GWA-30S to GWA-30D 0.00 GWA-31S to GWA-31D -0.18 GWA-32S to GWA-32D 0.12 GWA-3S to GWA-3D 0.00 GWA-6S to GWA-6D 0.09 GWA-7S to GWA-7D 0.02GWA-8S to GWA-8D 0.05 GWA-9S to GWA-9D 0.04 MW-103S to MW-103D 0.04 GEORGIA RDDUKE PO WER STEAM PLANT RD MIDDLETON LOOPPINE HALL RDNOTES: WATER LEVELS WERE COLLECTED BY PACE ANALYTICAL SERVICES. APRIL 3, 2017. SURFACE/CONTOUR DATA TRUNCATED AT EXTENT OF SAMPLING DATA. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON AUGUST 2, 2017. AERIAL WAS COLLECTED ON APRIL 8, 2017. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANE COORDINATE SYSTEM FIPS 3200 (NAD83/2011). FIGURE 6-12 POTENTIAL VERTICAL GRADIENT BETWEEN SHALLOW, DEEP, AND BEDROCK ZONES BELEWS CREEK STEAM STATION DUKE ENERGY CAROLINAS, LLC BELEWS CREEK, NORTH CAROLINADRAWN BY: B. YOUNG PROJECT MANAGER: S. SPINNER CHECKED BY: A. ALBERT DATE: 10/19/2017 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Belews Creek Steam Station\MapDocs\CSA_Supplement_2\Fig06-12 Belews - Potential Vertical Gradient.mxd 600 0 600 1,200300 GRAPHIC SCALE IN FEET &<MONITORING WELL WATER SUPPLY WELL <STREAM (AMEC NRTR 2015) DESIGNATED EFFLUENT CHANNEL ASH BASIN WASTE BOUNDARY ASH BASIN COMPLIANCE BOUNDARY LANDFILL BOUNDARY STRUCTURAL FILL BOUNDARY LANDFILL COMPLIANCE BOUNDARY DUKE ENERGY CAROLINAS BELEWS CREEK PLANT SITE BOUNDARY LEGEND POTENTIAL VERTICAL GRADIENT UPWARD: -0.18 (foot per foot) DOWNWARD: 0.24 (foot per foot) 0 POTENTIAL VERTICAL GRADIENT UPWARD: -0.18 (foot per foot) DOWNWARD: 0.24 (foot per foot) 0 Well ID Potential Vertical Gradient Direction AB-1S to AB-1D -0.06 Upward AB-2S to AB-2D 0.09 Downward AB-3S to AB-3D 0.15 Downward AB-4S to AB-4D 0.00 Downward AB-5S to AB-5D 0.00 Downward AB-5SL to AB-5D 0.01 Downward AB-6S to AB-6D 0.02 Downward AB-6SL to AB-6D 0.02 Downward AB-7S to AB-7D 0.00 Upward AB-8S to AB-8D 0.00 Downward AB-8SL to AB-8D 0.00 Downward AB-9S to AB-9D 0.01 Downward BG-2S to BG-2D -0.07 Upward BG-3S to BG-3D -0.05 Upward GWA-10S to GWA-10D 0.03 Downward GWA-11S to GWA-11D 0.10 Downward GWA-12S to GWA-12D -0.02 Upward GWA-16S to GWA-16D 0.09 Downward GWA-17S to GWA-17D 0.03 Downward GWA-1S to GWA-1D 0.05 Downward GWA-21S to GWA-21D 0.10 Downward GWA-23S to GWA-23D -0.10 Upward GWA-2S to GWA-2D 0.04 Downward GWA-30S to GWA-30D 0.00 Upward GWA-31S to GWA-31D -0.18 Upward GWA-32S to GWA-32D 0.12 Downward GWA-3S to GWA-3D 0.00 Upward GWA-6S to GWA-6D 0.09 Downward GWA-7S to GWA-7D 0.02 Downward GWA-8S to GWA-8D 0.05 Downward GWA-9S to GWA-9D 0.04 Downward MW-103S to MW-103D 0.04 Downward Shallow to Deep Well ID Potential Vertical Gradient Direction AB-4D to AB-4BR 0.00 Upward AB-9D to AB-9BR 0.01 Downward AB-9D to AB-9BRD 0.00 Upward BG-2D to BG-2BR -0.05 Upward GWA-12D to GWA-12BR 0.20 Downward GWA-16D to GWA-16BR 0.04 Downward GWA-19S to GWA-19BR 0.24 Downward GWA-20D to GWA-20BR 0.19 Downward GWA-24D to GWA-24BR 0.24 Downward Deep to Bedrock POTENTIAL VERTICAL GRADIENT (foot per foot)1 6-13Source: HDR, Comprehensive Site Assessment Report Belews Creek Steam Station Ash Basin, September 9, 2015. 6-14Source: HDR, Comprehensive Site Assessment Report Belews Creek Steam Station Ash Basin, September 9, 2015. <<<<<<<<<<<< <<<<<<<<<<<<! ! ( ( !( ! ! ! ! ! ! !! ! ! ! ! ! ! !! ( ( ( ( ( ( (( ( ( ( ( ( ( (( !! ! ! ! ! ! << < < < < < COI RESULT UNITS PBTV PSRG ARSENIC 61.1 mg/kg 12.6 5.8 IRON 40600 mg/kg 40400 150 COI RESULT UNITS PBTV PSRG pH 6 j S.U. 4.3 - 5.8 NE ARSENIC 128 mg/kg 12.6 5.8 COI RESULT UNITS PBTV PSRG ARSENIC 100 mg/kg 12.6 5.8 AB-01S (20 - 21.5) AB-01S (45 - 46.5) AB-01S (40 - 41.5) COI RESULT UNITS PBTV PSRG ARSENIC 6.1 j mg/kg 12.6 5.8 STRONTIUM 10.2 mg/kg 9 NE AB-02D (75 - 76.5) COI RESULT UNITS PBTV PSRG pH 5.9 j S.U. 4.3 - 5.8 NE STRONTIUM 29.5 mg/kg 9 NE COI RESULT UNITS PBTV PSRG pH 6.5 j S.U. 4.3 - 5.8 NE ARSENIC 40.9 mg/kg 12.6 5.8 SELENIUM 11.3 mg/kg 5.44 2.1 STRONTIUM 11.9 mg/kg 9 NE AB-08D (59 - 60.5) AB-08D (50 - 52) COI RESULT UNITS PBTV PSRG ARSENIC 56.7 mg/kg 12.6 5.8 COI RESULT UNITS PBTV PSRG ARSENIC 52.7 mg/kg 12.6 5.8 CHROMIUM 39.2 mg/kg 36 3.8 COI RESULT UNITS PBTV PSRG ARSENIC 76.7 mg/kg 12.6 5.8 GWA-01S (26 - 27.5) GWA-01S (34 - 35.5) GWA-01S (20 - 21.5) COI RESULT UNITS PBTV PSRG ARSENIC 36.4 mg/kg 12.6 5.8 COI RESULT UNITS PBTV PSRG pH 5.9 j S.U. 4.3 - 5.8 NE ARSENIC 26.3 mg/kg 12.6 5.8 COI RESULT UNITS PBTV PSRG pH 6.4 j S.U. 4.3 - 5.8 NE ARSENIC 40.8 mg/kg 12.6 5.8 GWA-02D (34 - 35) GWA-02D (41 - 42.5) GWA-02D (49 - 50.5) COI RESULT UNITS PBTV PSRG pH 6.1 j S.U. 4.3 - 5.8 NE STRONTIUM 9.8 mg/kg 9 NE COI RESULT UNITS PBTV PSRG pH 6.8 j mg/kg 5.44 2.1 STRONTIUM 15.9 mg/kg 9 NE GWA-08D (30.8 - 31.5) GWA-08D (45 - 46.5) COI RESULT UNITS PBTV PSRG ARSENIC 62.1 mg/kg 12.6 5.8 COI RESULT UNITS PBTV PSRG pH 6.3 j S.U. 4.3 - 5.8 NE ARSENIC 42 mg/kg 12.6 5.8 GWA-10D (2 - 3) GWA-10D (39 - 40.3) AB-05D AB-02SA AB-06D AB-06GTB COI RESULT UNITS PBTV PSRG STRONTIUM 23.8 mg/kg 9 NE AB-09D (55 - 56.5) COI RESULT UNITS PBTV PSRG pH 5.9 j S.U. 4.3 - 5.8 NE STRONTIUM 29.5 mg/kg 9 NE COI RESULT UNITS PBTV PSRG pH 5.9 j S.U. 4.3 - 5.8 NE COI RESULT UNITS PBTV PSRG pH 6.4 j S.U. 4.3 - 5.8 NE GWA-03D (34 - 35.5) GWA-03D (44 - 44) GWA-03S (37 - 38) COI RESULT UNITS PBTV PSRG pH 6.3 j S.U. 4.3 - 5.8 NE ARSENIC 26 mg/kg 12.6 5.8 AB-07D (30 - 31.5) COI RESULT UNITS PBTV PSRG CHROMIUM 36.8 mg/kg 36 3.8 SELENIUM 5.6 mg/kg 5.44 2.1 STRONTIUM 9.6 mg/kg 9 NE COI RESULT UNITS PBTV PSRG pH 7.2 j S.U. 4.3 - 5.8 NE GWA-07S (30 - 31.5) GWA-07S (60.2-60.4) COI RESULT UNITS PBTV PSRG ARSENIC 23.9 mg/kg 12.6 5.8 COI RESULT UNITS PBTV PSRG pH 5.9 j S.U. 4.3 - 5.8 NE MW-200BR (5 - 6.5) MW-200BR (9 - 9.4) COI RESULT UNITS PBTV PSRG pH 4.2 j S.U. 4.3 - 5.8 NE pH 5.9 j S.U. 4.3 - 5.8 NE STRONTIUM 9.3 mg/kg 9 NE MW-203BR (20 - 21.5) MW-203BR (30 - 31.5) COI RESULT UNITS PBTV PSRG pH 6.4 j S.U. 4.3 - 5.8 NE STRONTIUM 19.4 mg/kg 9 NE AB-04D (69.5 - 70.5) COI RESULT UNITS PBTV PSRG pH 6.5 j S.U. 4.3 - 5.8 NE CHLORIDE 173 j mg/kg 36 3.8 COI RESULT UNITS PBTV PSRG ARSENIC 21.1 mg/kg 12.6 5.8 AB-03D (40 - 41.5) AB-03D (40 - 41.5) COI RESULT UNITS PBTV PSRG pH 5.9 j S.U. 4.3 - 5.8 NE pH 6.3 j S.U. 4.3 - 5.8 NE CHROMIUM 45.7 mg/kg 36 3.8 IRON 49500 mg/kg 40400 150 STRONTIUM 64.1 mg/kg 9 NE VANADIUM 156 mg/kg 114 6 GWA-06S (29 - 30) GWA-06S (68.5 - 70) COI RESULT UNITS PBTV PSRG pH 6.4 j S.U. 4.3 - 5.8 NE GWA-04S (45 - 47) COI RESULT UNITS PBTV PSRG pH 4.2 j mg/kg 4.3 - 5.8 NE COI RESULT UNITS PBTV PSRG pH 6.2 j S.U. 4.3 - 5.8 NE COI RESULT UNITS PBTV PSRG pH 7.2 j S.U. 4.3 - 5.8 NE STRONTIUM 10.6 mg/kg 9 NE GWA-05S (25 - 26.5) GWA-05S (30 - 31.5) GWA-05S (35 - 36.5) COI RESULT UNITS PBTV PSRG pH 5.9 j S.U. 4.3 - 5.8 NE BARIUM 620 j-S.U. 139 580 CHROMIUM 54.6 j-mg/kg 36 3.8 IRON 44100 j-mg/kg 40400 150 COI RESULT UNITS PBTV PSRG ARSENIC 42.9 mg/kg 12.6 5.8 ARSENIC 50.2 j mg/kg 12.6 5.8 IRON 44400 mg/kg 40400 150 GWA-09GTB (40 - 41.5) GWA-09GTB (50 - 51.5) GWA-09GTB (50 - 52) COI RESULT UNITS PBTV PSRG pH 6.1 j S.U. 4.3 - 5.8 NE CHLORIDE 172 j mg/kg 36 3.8 COI RESULT UNITS PBTV PSRG ARSENIC 18.7 mg/kg 12.6 5.8 COBALT 161 mg/kg 51 0.9 SB-03 (12 - 13.5) SB-03 (4 - 5.5) FIGURE 7-1 POTENTIAL SECONDARY SOURCE SOIL ANALYTICAL RESULTS BELEWS CREEK STEAM STATION DUKE ENERGY CAROLINAS, LLC BELEWS CREEK, NORTH CAROLINADRAWN BY: A. FEIGL PROJECT MANAGER: S. SPINNER CHECKED BY: A. ALBERT DATE: 10/19/2017 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Belews Creek Steam Station\MapDocs\CSA_Supplement_2\Fig07-01_SecondarySoilResults_BC.mxd 0 400 800 1,200200 GRAPHIC SCALE IN FEET NOTES:AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON AUGUST 2, 2017. AERIAL WAS COLLECTED ON APRIL 8, 2017. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANE COORDINATE SYSTEM FIPS 3200 (NAD83/2011). LEGEND 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Belews Creek Steam Station\MapDocs\CSA_Supplement_2\Fig07-01_SecondarySoilResults_BC.mxd COI RESULT UNITS PBTV PSRG ARSENIC 26.9 mg/kg 12.6 5.8 COI RESULT UNITS PBTV PSRG ARSENIC 33.1 mg/kg 12.6 5.8 pH 6.4 j S.U. 4.3 - 5.8 NE ARSENIC 52.2 mg/kg 12.6 5.8 IRON 45800 mg/kg 40400 150 STRONTIUM 21.5 mg/kg 9 NE GWA-11D (29 - 30.5) GWA-11D (35 - 36.5) GWA-11D (55 - 55.4) ASH BASIN BELEWS RESERVOIR PINE HALL ROAD LANDFILL DUKE ENERGY CAROLINAS BELEWS CREEK PLANT SITE BOUNDARY ASH BASIN COMPLIANCE BOUNDARY ASH BASIN WASTE BOUNDARY UNKNOWN SATURATION SOIL SAMPLE LOCATION AND DEPTH (FEET BELOW GROUND SURFACE)!( SATURATED SOIL SAMPLE LOCATION AND DEPTH (FEET BELOW GROUND SURFACE)!( MIX OF UNSATURATED AND SATURATED SOIL SAMPLES AT LOCATION AND DEPTH (FEET BELOW GROUND SURFACE) !< UNSATURATED SOIL SAMPLE LOCATION AND DEPTH (FEET BELOW GROUND SURFACE)!( STREAM (AMEC NRTR 2015)< DESIGNATED EFFLUENT CHANNEL FIGURE 9-1 PIPER DIAGRAM ̶ AOWs BELEWS CREEK STEAM STATION DUKE ENERGY CAROLINAS, LLC BELEWS CREEK, 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: A. Albert DATE: AUGUST 2017 FILEPATH: P:\Duke Energy Carolinas\20. BELEWS CREEK\CSA UPDATE OCT 2017\FIGURES\Piper\Piper Diagram - Seeps.pptx Location ID % Difference Notes: BLUE – Downgradient AOWs ORANGE – Upgradient AOWs GREEN– Background Surface Water Data with charge balance >10% are omitted from plot. Data included for analysis from April/ May 2017 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. S-03 36.521 S-05 14.946 S-07 34.757 S-16 10.908 I S-01 9.498 J S-02 4.803 K S-04 6.435 L S-06 3.423 I S-08 6.259 J S-09 2.162 M S-10 3.457 O S-11 5.366 P S-12 6.177 A S-13 9.466 B S-15 6.928 P SW-DR-BG 6.190 FIGURE 9-2 PIPER DIAGRAM ̶ SURFACE WATER AND WASTE WATER BELEWS CREEK STEAM STATION DUKE ENERGY CAROLINAS, LLC BELEWS CREEK, 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: A. Albert DATE: AUGUST 2017 FILEPATH: P:\Duke Energy Carolinas\20. BELEWS CREEK\CSA UPDATE OCT 2017\FIGURES\Piper\Piper Diagram - Surface Water.pptx Location ID % Difference Notes: Orange – Engineered Drains (Waste Water) Blue – Outfalls (Waste Water) Green– Belews Reservoir Red- Dan River Samples plotted represent most recent sampling event. Data 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. I HD-07A 0.880 J HD-09 0.074 K HD-10 4.465 L HD-11A 0.209 M HD-21 2.938 O HD-22 8.730 P HD-26 8.513 A HD-27 4.750 B TF-01 4.610 C TF-02 2.325 D TF-03 1.062 I 003 7.376 J ABW 0.069 K BCSW -008 8.561 L BCSW -019 3.627 M BCWW-002 2.028 J SW -BL-D 7.515 SW -BL-U 10.392 K SW -DR-BG 6.190 L SW -DR-D 0.710 P SW -DR-U 9.808 FIGURE 10-1 PIPER DIAGRAM ̶ SHALLOW GROUNDWATER BELEWS CREEK STEAM STATION DUKE ENERGY CAROLINAS, LLC BELEWS CREEK, NORTH CAROLINA 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com DRAWN BY: T. PLATING PROJECT MANAGER: C. EADY LAYOUT: A. ALBERT DATE: AUGUST 2017 FILEPATH: P:\Duke Energy Carolinas\15. Riverbend\05.EHS CAMA Compliance Support\CSA Supplement 2017\Piper Well ID % Difference Notes: Black – Within or below ash Blue - Downgradient Orange -Upgradient Green – Background Data with charge balance >10% are omitted from plot. Data included for analysis from April 2017. Data represent samples with pH < 9 and turbidity < 10. Data presented may include lab-qualified results. Refer to analytical data table notes for qualifier definitions. Non-detect analytical results are plotted at the corresponding reporting limit. I AB-04S 2.357 J AB-06S 7.327 L AB-07S 2.076 M AB-08S 5.149 O AB-08SL 7.786 E AB-09S 3.631 I AB-01S 3.446 J AB-03S 1.543 K GWA-01S 1.490 L GWA-02S 0.488 M GWA-11S 6.663 O GWA-20SA 1.260 P GWA-21S 2.105 A GWA-31S 5.309 B MW-03 0.617 I GWA-06S 4.706 J GWA-07SA 0.238 K GWA-08S 0.744 L GWA-16S 3.566 M GWA-17S 0.240 J MW-202S 8.504 AB-06SL 46.285 GWA-10S 19.466 GWA-19SA 10.184 GWA-23S 37.534 GWA-30S 10.192 GWA-32S 30.767 MW-01 17.183 MW-103S 10.645 MW-104S 12.345 GWA-12S 66.664 BG-02S 53.367 BG-03S 32.721 FIGURE 10-2 PIPER DIAGRAM ̶ DEEP GROUNDWATER BELEWS CREEK STEAM STATION DUKE ENERGY CAROLINAS, LLC BELEWS CREEK, NORTH CAROLINA 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com DRAWN BY: T. PLATING PROJECT MANAGER: C. EADY LAYOUT: DATE: AUGUST 2017 FILEPATH: P:\Duke Energy Carolinas\15. Riverbend\05.EHS CAMA Compliance Support\CSA Supplement 2017\Piper Well ID % Difference Notes: Black – Within or below ash Blue - Downgradient Orange -Upgradient Green – Background Data with charge balance >10% are omitted from plot. Data included for analysis from April 2017. Data represent samples with pH < 9 and turbidity < 10. Data presented may include lab-qualified results. Refer to analytical data table notes for qualifier definitions. Non -detect analytical results are plotted at the corresponding reporting limit . O GWA-17D 2.582 J AB-01D 2.998 AB-02D 1.386 I AB-04S 2.357 J AB-06S 7.327 L AB-07S 2.076 M AB-08S 5.149 O AB-08SL 7.786 P AB-04D 7.280 A AB-05D 3.621 B AB-06D 9.658 C AB-07D 8.271 D AB-08D 3.735 E AB-09D 9.457 I J K AB-03D 2.632 L GWA-01D 5.999 M GWA-02D 7.865 P GWA-11D 2.968 A GWA-18D 5.922 B GWA-20D 0.817 C GWA-21D 1.907 E GWA-24D 2.935 H GWA-32D 4.135 O MW-103D 1.287 I K GWA-09D 6.433 L GWA-12D 8.107 GWA-07D 9.249 I K BG-01D 7.549 BG-03D 8.235 MW-202D 9.709 AB-06SL 46.285 GWA-03D 11.161 GWA-10DA 10.422 GWA-23D 31.321 GWA-31D 10.150 GWA-08D 14.400 GWA-16DA 10.278 BG-03D 17.942 FIGURE 10-3 PIPER DIAGRAM ̶ BEDROCK GROUNDWATER BELEWS CREEK STEAM STATION DUKE ENERGY CAROLINAS, LLC BELEWS CREEK, NORTH CAROLINA 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com DRAWN BY: T. PLATING PROJECT MANAGER: C. EADY LAYOUT: DATE: AUGUST 2017 FILEPATH: P:\Duke Energy Carolinas\15. Riverbend\05.EHS CAMA Compliance Support\CSA Supplement 2017\Piper Well ID % Difference Notes: Black – Within or below ash Orange – Upgraident Blue - Downgradient Green – Background Data with charge balance >10% are omitted from plot. Data included for analysis from April 2017. Data represent samples with pH < 9 and turbidity < 10. Data presented may include lab-qualified results. Refer to analytical data table notes for qualifier definitions. Non-detect analytical results are plotted at the corresponding reporting limit. I AB-04S 2.357 J AB-06S 7.327 L AB-07S 2.076 M AB-08S 5.149 O AB-08SL 7.786 K AB-09BR 7.000 I MW-200BR 6.276 I MW-203BR 9.897 I BG-02BRA 9.425 AB-06SL 46.285 AB-04BR 10.935 GWA-12BR 13.057 GWA-24BR 11.820 GWA-202BR 46.624 <<<<<<<<< <<<<<<<<<<<<<<<&<&< &<&< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &<&< &< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &<&< ASH BASIN PINE HALLROAD LANDFILL STRUCTURALFILL BELEWS RESERVOIR M A R T IN L U T H E R K IN G J R R D OLD PLANTATION RD M I D D L E T O N L O O P P I N E H A L L R D 1 10AB-4SL*9.3 AB-5S*0.13 AB-5SL*6.8 AB-8SL*0.13 GWA-1S0.55 GWA-6S0.24 j MW-40.309 j MW-104S0.24 j OB-426.2 AB-8S*1.2 GWA-23S0.17 jMW-20.49 j GWA-22S0.22 j GWA-26S0.18 j GWA-27S0.18 j AB-1SND AB-3SND AB-4S*ND AB-6S*ND AB-7S*ND AB-9SND BG-2SND BG-3SND GWA-2SND GWA-5SND GWA-7SAND GWA-8SND GWA-10SND GWA-11SND GWA-12SND GWA-16SND GWA-17SND MW-1ND MW-3ND MW-5ND MW-6ND MW-200SND MW-202SND MW-203SND MW-204SND OB-5ND AB-6SL*ND GWA-19SAND GWA-21SND MW-103SND GWA-18SND GWA-18SAND GWA-20SAND GWA-30SND GWA-31SND GWA-32SND GWA-9SND GWA-3SNDGWA-19SNS AB-2SNS GWA-24SNS BG-1SNS OB-1NS MW-7NS MW-102SNSMW-101SNS NOTES:THE INTERIM MAXIMUM ALLOWABLE CONCENTRATION (IMAC) FOR ANTIMONY IS 1μg/L. PROVISIONAL BACKGROUND THRESHOLD VALUE IS 1 μg/L. * ASH PORE WATER WELL DISPLAYED IN THE SHALLOW GROUNDWATER UNIT FORUSE IN CONTOURING. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. † CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC PBTV BUT WITHIN THEBACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGICSETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENTMIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THEASH BASIN. CONCENTRATIONS REPORTED ON FIGURE REPRESENT MOST RECENT VALIDSAMPLE RESULTS FOR EACH WELL. DATA WITH HIGH TURBIDITY (>10 NTU) ORRESULTS THAT INDICATE GROUT CONTAMINATION OF THE WELL (PH>9) HAVE BEENREMOVED FROM DATASET. COLLECTION DATES DEPICTED ON FIGURE RANGE FROMMAY 2010 TO MAY 2017. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON AUGUST 2, 2017.AERIAL WAS COLLECTED ON APRIL 8, 2017. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83/2011). FIGURE 10-5ISOCONCENTRATION MAPANTIMONY IN SHALLOW GROUNDWATERBELEWS CREEK STEAM STATIONDUKE ENERGY CAROLINAS, LLCBELEWS CREEK, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: S. SPINNERCHECKED BY: A. ALBERT DATE: 10/18/2017 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Belews Creek Steam Station\MapDocs\CSA_Supplement_2\Belews - Isoconcentration Maps.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET &<DOWNGRADIENT MONITORING WELL &<BACKGROUND MONITORING WELL &<ABANDONED MONITORING WELL WATER SUPPLY WELL ASH BASIN WASTE BOUNDARY <STREAM (AMEC NRTR 2015) DESIGNATED EFFLUENT CHANNEL ASH BASIN COMPLIANCE BOUNDARY LANDFILL BOUNDARY STRUCTURAL FILL BOUNDARY LANDFILL COMPLIANCE BOUNDARY DUKE ENERGY CAROLINAS BELEWS CREEK PLANTSITE BOUNDARY LEGEND NOT DETECTED ABOVE REPORTING LIMITND TOTAL ANTIMONY CONCENTRATION (μg/L)1 NOT SAMPLEDNS IMAC CONTOUR PBTV CONTOUR INTERMEDIATE CONTOUR <<<<<<<<< <<<<<<<<<<<<<<<&<&< &< &< &< &< &< &< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &<&< ASH BASIN PINE HALLROAD LANDFILL STRUCTURALFILL BELEWS RESERVOIR M A R T IN L U T H E R K IN G J R R D OLD PLANTATION RD MIDDLETON LOOPP IN E H A L L R D 1 2 AB-1D0.22 AB-3D0.65 AB-4D0.38 AB-5D0.18 AB-9D2.8 GWA-1D1.6 GWA-4D0.13 j GWA-5D0.19 j GWA-7D0.65 GWA-8D0.32 j GWA-9D1.2 GWA-10DA0.2 j GWA-11D0.16 j GWA-17D0.1 j MW-104D0.98 AB-2D0.13 j GWA-18D0.41 j GWA-23D0.28 j AB-6DND AB-7DND AB-8DND BG-1DND BG-2DND BG-3DND GWA-2DND GWA-3DND GWA-6DND GWA-12DND GWA-16DAND MW-103DND MW-200DND MW-201DND MW-202DND MW-203DND MW-204DND MW2-7ND MW2-9NDOB-9ND GWA-30DND GWA-31DND GWA-32DND GWA-20DND GWA-21DND GWA-24DND GWA-26DND GWA-27DND GWA-16DNS GWA-19DNS GWA-22DNS MW2-2NS MW2-3NS MW2-4NS MW2-5NS MW2-1NS SFMW-1DNS SFMW-2DNS SFMW-3DNS SFMW-4DNS SFMW-5DNS MW-101DNS MW-102DNS NOTES:THE INTERIM MAXIMUM ALLOWABLE CONCENTRATION (IMAC) FOR ANTIMONY IS 1μg/L. PROVISIONAL BACKGROUND THRESHOLD VALUE IS 1 μg/L. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. † CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC PBTV BUT WITHIN THEBACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGICSETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENTMIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THEASH BASIN. CONCENTRATIONS REPORTED ON FIGURE REPRESENT MOST RECENT VALIDSAMPLE RESULTS FOR EACH WELL. DATA WITH HIGH TURBIDITY (>10 NTU) ORRESULTS THAT INDICATE GROUT CONTAMINATION OF THE WELL (PH>9) HAVE BEENREMOVED FROM DATASET. COLLECTION DATES DEPICTED ON FIGURE RANGE FROMMAY 2010 TO MAY 2017. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON AUGUST 2, 2017.AERIAL WAS COLLECTED ON APRIL 8, 2017. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83/2011). FIGURE 10-6ISOCONCENTRATION MAPANTIMONY IN DEEP GROUNDWATERBELEWS CREEK STEAM STATIONDUKE ENERGY CAROLINAS, LLCBELEWS CREEK, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: S. SPINNERCHECKED BY: A. ALBERT DATE: 10/18/2017 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Belews Creek Steam Station\MapDocs\CSA_Supplement_2\Belews - Isoconcentration Maps.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET &<DOWNGRADIENT MONITORING WELL &<BACKGROUND MONITORING WELL &<ABANDONED MONITORING WELL WATER SUPPLY WELL ASH BASIN WASTE BOUNDARY <STREAM (AMEC NRTR 2015) DESIGNATED EFFLUENT CHANNEL ASH BASIN COMPLIANCE BOUNDARY LANDFILL BOUNDARY STRUCTURAL FILL BOUNDARY LANDFILL COMPLIANCE BOUNDARY DUKE ENERGY CAROLINAS BELEWS CREEK PLANTSITE BOUNDARY LEGEND NOT DETECTED ABOVE REPORTING LIMITND TOTAL ANTIMONY CONCENTRATION (μg/L)1 NOT SAMPLEDNS IMAC CONTOUR PBTV CONTOUR INTERMEDIATE CONTOUR <<<<<<<<< <<<<<<<<<<<<<<<&< &< &< &< &< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< ASH BASIN PINE HALLROAD LANDFILL STRUCTURALFILL BELEWS RESERVOIR M A R T IN L U T H E R K IN G J R R DOLD PL ANT AT I ON RDMIDDLETON LOOPPINE HALL RDBG-2BRA0.28 j GWA-12BR0.27 j MW-202BR0.28 j MW-203BR0.13 j AB-4BR0.19 j AB-9BR0.16 j GWA-24BR0.85 MW-1DND MW-200BRND MW-201BRND GWA-9BRND BC-1007ND BC2 Well 1NDBC2 Well 2ND BC2019-RAWND BC4 Well ANDBC4 Well BND BC1ND BC10ND BC13ND BC14ND BC15ND BC17ND BC18ND BC19ND BC24ND BC33ND BC34ND BC35ND BC5ND BC6ND BC8R2ND BC9ND BC2000-RAWND BC2004-RAWND BC2021-RAWND BC2026-RAWND BC-1000ND BC-1001ND BC-1002ND BC-1003ND BC-1004ND BC-1005ND BC-1006ND BC20ND BC25ND BC26ND BC30ND BC31ND BC7ND BC8ND GWA-25BRNS MW-104BRNS AB-1BRNS AB-4BRDNS AB-9BRDNS GWA-5BRNS GWA-16BRNS GWA-20BRNS GWA-26BRNS GWA-27BRNSGWA-19BRNS NOTES:THE INTERIM MAXIMUM ALLOWABLE CONCENTRATION (IMAC) FOR ANTIMONY IS 1μg/L. PROVISIONAL BACKGROUND THRESHOLD VALUE IS 0.5 μg/L. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. † CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC PBTV BUT WITHIN THEBACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGICSETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENTMIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THEASH BASIN. CONCENTRATIONS REPORTED ON FIGURE REPRESENT MOST RECENT VALIDSAMPLE RESULTS FOR EACH WELL. DATA WITH HIGH TURBIDITY (>10 NTU) ORRESULTS THAT INDICATE GROUT CONTAMINATION OF THE WELL (PH>9) HAVE BEENREMOVED FROM DATASET. COLLECTION DATES DEPICTED ON FIGURE RANGE FROMMAY 2010 TO MAY 2017. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON AUGUST 2, 2017.AERIAL WAS COLLECTED ON APRIL 8, 2017. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83/2011). WATER SUPPLY WELL SAMPLED BY NCDEQ BETWEEN FEBRUARY 2015 AND APRIL2017. FIGURE 10-7ISOCONCENTRATION MAPANTIMONY IN BEDROCK GROUNDWATERBELEWS CREEK STEAM STATIONDUKE ENERGY CAROLINAS, LLCBELEWS CREEK, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: S. SPINNERCHECKED BY: A. ALBERT DATE: 10/18/2017 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Belews Creek Steam Station\MapDocs\CSA_Supplement_2\Belews - Isoconcentration Maps.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET &<DOWNGRADIENT MONITORING WELL &<BACKGROUND MONITORING WELL &<ABANDONED MONITORING WELL WATER SUPPLY WELL ASH BASIN WASTE BOUNDARY <STREAM (AMEC NRTR 2015) DESIGNATED EFFLUENT CHANNEL ASH BASIN COMPLIANCE BOUNDARY LANDFILL BOUNDARY STRUCTURAL FILL BOUNDARY LANDFILL COMPLIANCE BOUNDARY DUKE ENERGY CAROLINAS BELEWS CREEK PLANTSITE BOUNDARY LEGEND NOT DETECTED ABOVE REPORTING LIMITND TOTAL ANTIMONY CONCENTRATION (μg/L)1 NOT SAMPLEDNS IMAC CONTOUR PBTV CONTOUR INTERMEDIATE CONTOUR <<<<<<<<< <<<<<<<<<<<<<<<&<&< &<&< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &<&< &< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &<&< ASH BASIN PINE HALLROAD LANDFILL STRUCTURALFILL BELEWS RESERVOIR M A R T IN L U T H E R K IN G J R R D OLD PLANTATION RD M I D D L E T O N L O O P P I N E H A L L R D1 105020050AB-1S4 AB-3S1.2 AB-4S*89.7 AB-4SL*61.3 AB-5S*98.5 AB-5SL*55 AB-6S*2.3 AB-7S*14.5 AB-8SL*227 AB-9S0.1 BG-2S0.1 BG-3S0.12 GWA-1S0.47 GWA-2S1.2 GWA-5S0.065 j GWA-6S0.29 GWA-7SA0.044 j GWA-8S0.18 GWA-10S5.2 GWA-11S1.7 GWA-12S0.058 j GWA-17S0.18 MW-10.171 j MW-30.12 MW-40.101 j MW-50.601 j MW-60.088 j MW-104S0.041 j OB-430.7 OB-50.245 j AB-6SL*4.8 AB-8S*1.7 GWA-19SA3.7 GWA-21S0.64 GWA-23S0.25 MW-103S74.5GWA-18S2.2 GWA-18SA0.76GWA-19S4.2 GWA-20SA4.3 GWA-22S0.2 GWA-26S0.067 j GWA-27S1.1 GWA-30S0.23 GWA-31S0.91 GWA-32S35.1 GWA-9S0.15 GWA-3S0.18 GWA-16SND MW-200SND MW-202SND MW-203SND MW-204SND MW-2ND AB-2SNS GWA-24SNS BG-1SNS OB-1NS MW-7NS MW-102SNS MW-101SNS NOTES:THE NORTH CAROLINA 2L FOR ARSENIC IS 10 μg/L. PROVISIONAL BACKGROUND THRESHOLD VALUE IS 1 μg/L. * ASH PORE WATER WELL DISPLAYED IN THE SHALLOW GROUNDWATER UNIT FORUSE IN CONTOURING. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. † CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC PBTV BUT WITHIN THEBACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGICSETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENTMIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THEASH BASIN. CONCENTRATIONS REPORTED ON FIGURE REPRESENT MOST RECENT VALIDSAMPLE RESULTS FOR EACH WELL. DATA WITH HIGH TURBIDITY (>10 NTU) ORRESULTS THAT INDICATE GROUT CONTAMINATION OF THE WELL (PH>9) HAVE BEENREMOVED FROM DATASET. COLLECTION DATES DEPICTED ON FIGURE RANGE FROMMAY 2010 TO MAY 2017. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON AUGUST 2, 2017.AERIAL WAS COLLECTED ON APRIL 8, 2017. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83/2011). FIGURE 10-8ISOCONCENTRATION MAPARSENIC IN SHALLOW GROUNDWATERBELEWS CREEK STEAM STATIONDUKE ENERGY CAROLINAS, LLCBELEWS CREEK, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: S. SPINNERCHECKED BY: A. ALBERT DATE: 10/18/2017 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Belews Creek Steam Station\MapDocs\CSA_Supplement_2\Belews - Isoconcentration Maps.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET &<DOWNGRADIENT MONITORING WELL &<BACKGROUND MONITORING WELL &<ABANDONED MONITORING WELL WATER SUPPLY WELL ASH BASIN WASTE BOUNDARY <STREAM (AMEC NRTR 2015) DESIGNATED EFFLUENT CHANNEL ASH BASIN COMPLIANCE BOUNDARY LANDFILL BOUNDARY STRUCTURAL FILL BOUNDARY LANDFILL COMPLIANCE BOUNDARY DUKE ENERGY CAROLINAS BELEWS CREEK PLANTSITE BOUNDARY LEGEND NOT DETECTED ABOVE REPORTING LIMITND TOTAL ARSENIC CONCENTRATION (μg/L)1 NOT SAMPLEDNS NORTH CAROLINA 2L CONTOUR PBTV CONTOUR INTERMEDIATE CONTOUR <<<<<<<<< <<<<<<<<<<<<<<<&<&< &< &< &< &< &< &< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< ASH BASIN PINE HALLROAD LANDFILL STRUCTURALFILL BELEWS RESERVOIR M A R T IN L U T H E R K IN G J R R D OLD PLANTATION RD MIDDLETON LOOPP IN E H A L L R D 1 1 10AB-1D1.8 AB-3D16.5 AB-4D3.5 AB-5D0.7 AB-6D0.081 AB-7D0.22AB-8D0.95 AB-9D1.1 BG-1D0.1 BG-2D0.11 BG-3D0.1 GWA-1D1.6 GWA-2D3.7 GWA-3D0.12 GWA-4D0.16 GWA-5D0.15 GWA-6D2.4 GWA-7D2 GWA-8D0.66 GWA-9D0.24 GWA-10DA1.6 GWA-11D3.8 GWA-12D0.12 GWA-16DA0.27 GWA-17D0.18 MW-103D0.5 MW-104D0.28 MW2-70.433 j MW2-90.621 jOB-90.578 j AB-2D2.1 GWA-30D1.6 GWA-31D0.29 GWA-32D0.26 GWA-18D0.91 GWA-20D3.2 GWA-21D0.22 GWA-23D0.4 GWA-24D0.07 j GWA-26D0.064 j GWA-27D1.1 MW-101DND MW-200DND MW-201DND MW-202DND MW-203DND MW-204DND MW2-2NS MW2-3NS MW2-4NS MW2-5NS GWA-16DNS GWA-19DNS GWA-22DNS MW2-1NS SFMW-1DNS SFMW-2DNS SFMW-3DNS SFMW-4DNS SFMW-5DNS MW-102DNS NOTES:THE NORTH CAROLINA 2L FOR ARSENIC IS 10 μg/L. PROVISIONAL BACKGROUND THRESHOLD VALUE IS 1 μg/L. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. † CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC PBTV BUT WITHIN THEBACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGICSETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENTMIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THEASH BASIN. CONCENTRATIONS REPORTED ON FIGURE REPRESENT MOST RECENT VALIDSAMPLE RESULTS FOR EACH WELL. DATA WITH HIGH TURBIDITY (>10 NTU) ORRESULTS THAT INDICATE GROUT CONTAMINATION OF THE WELL (PH>9) HAVE BEENREMOVED FROM DATASET. COLLECTION DATES DEPICTED ON FIGURE RANGE FROMMAY 2010 TO MAY 2017. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON AUGUST 2, 2017.AERIAL WAS COLLECTED ON APRIL 8, 2017. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83/2011). FIGURE 10-9ISOCONCENTRATION MAPARSENIC IN DEEP GROUNDWATERBELEWS CREEK STEAM STATIONDUKE ENERGY CAROLINAS, LLCBELEWS CREEK, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: S. SPINNERCHECKED BY: A. ALBERT DATE: 10/18/2017 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Belews Creek Steam Station\MapDocs\CSA_Supplement_2\Belews - Isoconcentration Maps.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET &<DOWNGRADIENT MONITORING WELL &<BACKGROUND MONITORING WELL &<ABANDONED MONITORING WELL WATER SUPPLY WELL ASH BASIN WASTE BOUNDARY <STREAM (AMEC NRTR 2015) DESIGNATED EFFLUENT CHANNEL ASH BASIN COMPLIANCE BOUNDARY LANDFILL BOUNDARY STRUCTURAL FILL BOUNDARY LANDFILL COMPLIANCE BOUNDARY DUKE ENERGY CAROLINAS BELEWS CREEK PLANTSITE BOUNDARY LEGEND NOT DETECTED ABOVE REPORTING LIMITND TOTAL ARSENIC CONCENTRATION (μg/L)1 NOT SAMPLEDNS NORTH CAROLINA 2L CONTOUR PBTV CONTOUR INTERMEDIATE CONTOUR <<<<<<<<< <<<<<<<<<<<<<<<&< &< &< &< &< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< ASH BASIN PINE HALLROAD LANDFILL STRUCTURALFILL BELEWS RESERVOIR M A R T IN L U T H E R K IN G J R R DOLD PL ANT AT I ON RDMIDDLETON LOOPPINE HALL RD0 .5 1 0 .5 1 1 0 BG-2BRA0.42 GWA-12BR1.7 MW-200BR1.4 MW-202BR0.37 MW-203BR0.14 AB-4BR0.62 AB-9BR12.4 MW-201BR0.37 GWA-9BR0.16 GWA-24BR4.1 BC1†1.3 BC13†6.8 BC15†0.83 BC17†14.1 BC18†2 BC19†6.1 BC24†12.1 BC33†1.9 BC34†40.3 BC35†15.7 BC8R2†0.77 BC9†1.8 BC2000-RAW†0.44 BC2004-RAW†0.66 BC2021-RAW†1.8 BC2026-RAW†3.5 BC-1000†1.1 BC-10010.39 BC-10030.18 BC-1005†0.53 BC20†10.8 BC26†1.9 BC30†108 BC31†0.93 BC8†0.77 MW-1DND BC-1007ND BC2 Well 1NDBC2 Well 2ND BC2019-RAWND BC4 Well ANDBC4 Well BND BC10ND BC14ND BC5ND BC6ND BC-1002ND BC-1004NDBC-1006ND BC25ND BC7ND GWA-25BRNS MW-104BRNS AB-1BRNS AB-4BRDNS AB-9BRDNS GWA-5BRNS GWA-16BRNS GWA-20BRNS GWA-26BRNS GWA-27BRNSGWA-19BRNS NOTES:THE NORTH CAROLINA 2L FOR ARSENIC IS 10 μg/L. PROVISIONAL BACKGROUND THRESHOLD VALUE IS 0.51 μg/L. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. † CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC PBTV BUT WITHIN THEBACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGICSETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENTMIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THEASH BASIN. CONCENTRATIONS REPORTED ON FIGURE REPRESENT MOST RECENT VALIDSAMPLE RESULTS FOR EACH WELL. DATA WITH HIGH TURBIDITY (>10 NTU) ORRESULTS THAT INDICATE GROUT CONTAMINATION OF THE WELL (PH>9) HAVE BEENREMOVED FROM DATASET. COLLECTION DATES DEPICTED ON FIGURE RANGE FROMMAY 2010 TO MAY 2017. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON AUGUST 2, 2017.AERIAL WAS COLLECTED ON APRIL 8, 2017. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83/2011). WATER SUPPLY WELL SAMPLED BY NCDEQ BETWEEN FEBRUARY 2015 AND APRIL2017. FIGURE 10-10ISOCONCENTRATION MAPARSENIC IN BEDROCK GROUNDWATERBELEWS CREEK STEAM STATIONDUKE ENERGY CAROLINAS, LLCBELEWS CREEK, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: S. SPINNERCHECKED BY: A. ALBERT DATE: 10/18/2017 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Belews Creek Steam Station\MapDocs\CSA_Supplement_2\Belews - Isoconcentration Maps.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET &<DOWNGRADIENT MONITORING WELL &<BACKGROUND MONITORING WELL &<ABANDONED MONITORING WELL WATER SUPPLY WELL ASH BASIN WASTE BOUNDARY <STREAM (AMEC NRTR 2015) DESIGNATED EFFLUENT CHANNEL ASH BASIN COMPLIANCE BOUNDARY LANDFILL BOUNDARY STRUCTURAL FILL BOUNDARY LANDFILL COMPLIANCE BOUNDARY DUKE ENERGY CAROLINAS BELEWS CREEK PLANTSITE BOUNDARY LEGEND NOT DETECTED ABOVE REPORTING LIMITND TOTAL ARSENIC CONCENTRATION (μg/L)1 NOT SAMPLEDNS NORTH CAROLINA 2L CONTOUR PBTV CONTOUR INTERMEDIATE CONTOUR <<<<<<<<< <<<<<<<<<<<<<<<&<&< &<&< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &<&< &< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &<&< ASH BASIN PINE HALLROAD LANDFILL STRUCTURALFILL BELEWS RESERVOIR M A R T IN L U T H E R K IN G J R R D OLD PLANTATION RD M I D D L E T O N L O O P PINE HALL RD5 8 58700AB-1S99.7 AB-3S166 AB-4S*101 AB-4SL*186 AB-5S*156 AB-5SL*255 AB-6S*180 AB-7S*54 AB-8SL*348 AB-9S56.1 BG-3S42.6 GWA-1S298 GWA-2S17 GWA-5S20.3 GWA-6S110 GWA-7SA211GWA-8S54.4 GWA-10S373 GWA-11S605 GWA-12S24.9 GWA-16S41.2 GWA-17S56.7 MW-120.7 MW-354.8 MW-45.56 MW-533.6 MW-668.4 MW-104S73.4 MW-200S64 MW-202S24.0 MW-203S48 MW-204S172 OB-430.7 OB-5101 AB-6SL*209 AB-8S*90.9 GWA-19SA746 GWA-21S408 GWA-23S62.9 MW-272.9 MW-103S53 GWA-18S30.7 GWA-18SA117GWA-19S516 GWA-20SA282 GWA-26S53.6 GWA-27S153 GWA-30S19.9 GWA-31S15.8 GWA-32S11.3 GWA-9S81.1 GWA-3S72.2 GWA-22SND BG-2SNS AB-2SNS GWA-24SNS BG-1SNS OB-1NS MW-7NS MW-102SNS MW-101SNS NOTES:THE NORTH CAROLINA 2L FOR BARIUM IS 700 μg/L. PROVISIONAL BACKGROUND THRESHOLD VALUE IS 58 μg/L. * ASH PORE WATER WELL DISPLAYED IN THE SHALLOW GROUNDWATER UNIT FORUSE IN CONTOURING. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. † CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC PBTV BUT WITHIN THEBACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGICSETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENTMIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THEASH BASIN. CONCENTRATIONS REPORTED ON FIGURE REPRESENT MOST RECENT VALIDSAMPLE RESULTS FOR EACH WELL. DATA WITH HIGH TURBIDITY (>10 NTU) ORRESULTS THAT INDICATE GROUT CONTAMINATION OF THE WELL (PH>9) HAVE BEENREMOVED FROM DATASET. COLLECTION DATES DEPICTED ON FIGURE RANGE FROMMAY 2010 TO MAY 2017. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON AUGUST 2, 2017.AERIAL WAS COLLECTED ON APRIL 8, 2017. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83/2011). FIGURE 10-11ISOCONCENTRATION MAPBARIUM IN SHALLOW GROUNDWATERBELEWS CREEK STEAM STATIONDUKE ENERGY CAROLINAS, LLCBELEWS CREEK, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: S. SPINNERCHECKED BY: A. ALBERT DATE: 10/18/2017 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Belews Creek Steam Station\MapDocs\CSA_Supplement_2\Belews - Isoconcentration Maps.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET &<DOWNGRADIENT MONITORING WELL &<BACKGROUND MONITORING WELL &<ABANDONED MONITORING WELL WATER SUPPLY WELL ASH BASIN WASTE BOUNDARY <STREAM (AMEC NRTR 2015) DESIGNATED EFFLUENT CHANNEL ASH BASIN COMPLIANCE BOUNDARY LANDFILL BOUNDARY STRUCTURAL FILL BOUNDARY LANDFILL COMPLIANCE BOUNDARY DUKE ENERGY CAROLINAS BELEWS CREEK PLANTSITE BOUNDARY LEGEND NOT DETECTED ABOVE REPORTING LIMITND TOTAL BARIUM CONCENTRATION (μg/L)1 NOT SAMPLEDNS NORTH CAROLINA 2L CONTOUR PBTV CONTOUR INTERMEDIATE CONTOUR <<<<<<<<< <<<<<<<<<<<<<<<&<&< &< &< &< &< &< &< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< ASH BASIN PINE HALLROAD LANDFILL STRUCTURALFILL BELEWS RESERVOIR M A R T IN L U T H E R K IN G J R R D OLD PLANTATION RD MIDDLETON LOOPP IN E H A L L R D 12.61 2 .6 AB-1D191 AB-3D14.2 AB-4D24.1 AB-5D11.4 AB-6D20.6 AB-7D20.6AB-8D7.5 AB-9D15.8 BG-1D6.6 BG-2D5.1 BG-3D†14.8 GWA-1D10.8 GWA-3D25.1 GWA-4D47 GWA-5D7.3 GWA-6D19.5 GWA-7D12.3 GWA-8D7 GWA-9D8.7 GWA-10DA4.2 j GWA-11D20.5 GWA-12D13.4 GWA-16DA8.6 GWA-17D9.1 MW-101D362 MW-103D574 MW-104D16.5 MW-201D5 MW-202D7.0 MW-203D9.0 MW-204D53 MW2-723.1 MW2-959.1OB-912.9 AB-2D118 GWA-30D48.2 GWA-31D4.4 j GWA-32D11.5 GWA-20D58.7 GWA-21D236 GWA-23D49.5 GWA-24D7.9 GWA-26D34.8 GWA-27D56.6 GWA-2DND MW-200DND GWA-18DND MW2-2NS MW2-3NS MW2-4NS MW2-5NS GWA-16DNS GWA-19DNS GWA-22DNS MW2-1NS SFMW-1DNS SFMW-2DNS SFMW-3DNS SFMW-4DNS SFMW-5DNS MW-102DNS NOTES:THE NORTH CAROLINA 2L FOR BARIUM IS 700 μg/L. PROVISIONAL BACKGROUND THRESHOLD VALUE IS 12.6 μg/L. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. † CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC PBTV BUT WITHIN THEBACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGICSETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENTMIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THEASH BASIN. CONCENTRATIONS REPORTED ON FIGURE REPRESENT MOST RECENT VALIDSAMPLE RESULTS FOR EACH WELL. DATA WITH HIGH TURBIDITY (>10 NTU) ORRESULTS THAT INDICATE GROUT CONTAMINATION OF THE WELL (PH>9) HAVE BEENREMOVED FROM DATASET. COLLECTION DATES DEPICTED ON FIGURE RANGE FROMMAY 2010 TO MAY 2017. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON AUGUST 2, 2017.AERIAL WAS COLLECTED ON APRIL 8, 2017. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83/2011). FIGURE 10-12ISOCONCENTRATION MAPBARIUM IN DEEP GROUNDWATERBELEWS CREEK STEAM STATIONDUKE ENERGY CAROLINAS, LLCBELEWS CREEK, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: S. SPINNERCHECKED BY: A. ALBERT DATE: 10/18/2017 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Belews Creek Steam Station\MapDocs\CSA_Supplement_2\Belews - Isoconcentration Maps.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET &<DOWNGRADIENT MONITORING WELL &<BACKGROUND MONITORING WELL &<ABANDONED MONITORING WELL WATER SUPPLY WELL ASH BASIN WASTE BOUNDARY <STREAM (AMEC NRTR 2015) DESIGNATED EFFLUENT CHANNEL ASH BASIN COMPLIANCE BOUNDARY LANDFILL BOUNDARY STRUCTURAL FILL BOUNDARY LANDFILL COMPLIANCE BOUNDARY DUKE ENERGY CAROLINAS BELEWS CREEK PLANTSITE BOUNDARY LEGEND NOT DETECTED ABOVE REPORTING LIMITND TOTAL BARIUM CONCENTRATION (μg/L)1 NOT SAMPLEDNS NORTH CAROLINA 2L CONTOUR PBTV CONTOUR INTERMEDIATE CONTOUR <<<<<<<<< <<<<<<<<<<<<<<<&< &< &< &< &< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< ASH BASIN PINE HALLROAD LANDFILL STRUCTURALFILL BELEWS RESERVOIR M A R T IN L U T H E R K IN G J R R DOLD PL ANT AT I ON RDMIDDLETON LOOPP IN E H A L L R D 6.2BG-2BRA3.9 j GWA-12BR4.5 j MW-1D0.918 j MW-202BR3.0 j AB-4BR5.6 AB-9BR20.5 GWA-24BR4.8 j BC-1007†11.1 BC2 Well 14.5 BC2 Well 2†9.4 BC2019-RAW†10.6 BC4 Well A3.6 BC12.4 BC10†18.6 BC131.9 BC145.6 BC153.4 BC17†7.8 BC182.3 BC193.9 BC24†12 BC33†7.7 BC34†37.7 BC353.9 BC5†19 BC8R2†6.6 BC2000-RAW†18.7 BC2004-RAW†20.1 BC2021-RAW0.72 BC2026-RAW†5.3 BC-10000.35 BC-10010.61 BC-1002†16.5 BC-10031.2 BC-1004†6.2 BC-10050.74 BC-1006†16.5 BC203 BC250.46 BC260.5 BC302.2 BC3112.7 BC8†6.6 MW-200BRND MW-203BRND MW-201BRND GWA-9BRND BC4 Well BND BC6ND BC9ND BC7ND GWA-25BRNS MW-104BRNS AB-1BRNS AB-4BRDNS AB-9BRDNS GWA-5BRNS GWA-16BRNS GWA-20BRNS GWA-26BRNS GWA-27BRNSGWA-19BRNS NOTES:THE NORTH CAROLINA 2L FOR BARIUM IS 700 μg/L. PROVISIONAL BACKGROUND THRESHOLD VALUE IS 6.2 μg/L. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. † CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC PBTV BUT WITHIN THEBACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGICSETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENTMIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THEASH BASIN. CONCENTRATIONS REPORTED ON FIGURE REPRESENT MOST RECENT VALIDSAMPLE RESULTS FOR EACH WELL. DATA WITH HIGH TURBIDITY (>10 NTU) ORRESULTS THAT INDICATE GROUT CONTAMINATION OF THE WELL (PH>9) HAVE BEENREMOVED FROM DATASET. COLLECTION DATES DEPICTED ON FIGURE RANGE FROMMAY 2010 TO MAY 2017. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON AUGUST 2, 2017.AERIAL WAS COLLECTED ON APRIL 8, 2017. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83/2011). WATER SUPPLY WELL SAMPLED BY NCDEQ BETWEEN FEBRUARY 2015 AND APRIL2017. FIGURE 10-13ISOCONCENTRATION MAPBARIUM IN BEDROCK GROUNDWATERBELEWS CREEK STEAM STATIONDUKE ENERGY CAROLINAS, LLCBELEWS CREEK, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: S. SPINNERCHECKED BY: A. ALBERT DATE: 10/18/2017 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Belews Creek Steam Station\MapDocs\CSA_Supplement_2\Belews - Isoconcentration Maps.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET &<DOWNGRADIENT MONITORING WELL &<BACKGROUND MONITORING WELL &<ABANDONED MONITORING WELL WATER SUPPLY WELL ASH BASIN WASTE BOUNDARY <STREAM (AMEC NRTR 2015) DESIGNATED EFFLUENT CHANNEL ASH BASIN COMPLIANCE BOUNDARY LANDFILL BOUNDARY STRUCTURAL FILL BOUNDARY LANDFILL COMPLIANCE BOUNDARY DUKE ENERGY CAROLINAS BELEWS CREEK PLANTSITE BOUNDARY LEGEND NOT DETECTED ABOVE REPORTING LIMITND TOTAL BARIUM CONCENTRATION (μg/L)1 NOT SAMPLEDNS NORTH CAROLINA 2L CONTOUR PBTV CONTOUR INTERMEDIATE CONTOUR <<<<<<<<< <<<<<<<<<<<<<<<&<&< &<&< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &<&< &< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &<&< ASH BASIN PINE HALLROAD LANDFILL STRUCTURALFILL BELEWS RESERVOIR M A R T IN L U T H E R K IN G J R R D OLD PLANTATION RD M I D D L E T O N L O O P P IN E H A L L R D 0.3 6 2410AB-1S0.061 AB-3S0.17 AB-4S*0.024AB-4SL*0.091 AB-5S*0.093 AB-5SL*0.2 AB-7S*0.59AB-8SL*0.079 AB-9S0.081 BG-2S0.075 j,B BG-3S0.23 GWA-1S6.2 GWA-2S0.25 GWA-5S0.063 j GWA-6S1.5 GWA-7SA3.1 GWA-8S1.2 GWA-10S1.7 GWA-11S11.5 GWA-12S0.02 j GWA-16S0.12 B GWA-17S0.037 j MW-30.16 MW-104S0.12 AB-6SL*0.017 j AB-8S*0.18 B GWA-19SA8.2 GWA-21S9.9 GWA-23S0.18MW-20.35 j MW-103S0.041 j GWA-18S0.066 jGWA-18SA0.56 GWA-19S7 GWA-20SA5.5 GWA-22S0.03 j GWA-26S0.12 GWA-27S1.3 GWA-30S0.61 GWA-31S0.29 GWA-32S0.082 j GWA-9S0.37 GWA-3S0.026 j AB-6S*ND MW-1ND MW-4ND MW-5ND MW-6ND MW-200SND MW-202SND MW-203SND MW-204SND OB-4ND OB-5ND AB-2SNS GWA-24SNS BG-1SNS OB-1NS MW-7NS MW-102SNS MW-101SNS NOTES:THE INTERIM MAXIMUM ALLOWABLE CONCENTRATION (IMAC) FOR BERYLLIUM IS 4μg/L. PROVISIONAL BACKGROUND THRESHOLD VALUE IS 0.362 μg/L. * ASH PORE WATER WELL DISPLAYED IN THE SHALLOW GROUNDWATER UNIT FORUSE IN CONTOURING. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. † CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC PBTV BUT WITHIN THEBACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGICSETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENTMIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THEASH BASIN. CONCENTRATIONS REPORTED ON FIGURE REPRESENT MOST RECENT VALIDSAMPLE RESULTS FOR EACH WELL. DATA WITH HIGH TURBIDITY (>10 NTU) ORRESULTS THAT INDICATE GROUT CONTAMINATION OF THE WELL (PH>9) HAVE BEENREMOVED FROM DATASET. COLLECTION DATES DEPICTED ON FIGURE RANGE FROMMAY 2010 TO MAY 2017. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON AUGUST 2, 2017.AERIAL WAS COLLECTED ON APRIL 8, 2017. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83/2011). FIGURE 10-14ISOCONCENTRATION MAPBERYLLIUM IN SHALLOW GROUNDWATERBELEWS CREEK STEAM STATIONDUKE ENERGY CAROLINAS, LLCBELEWS CREEK, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: S. SPINNERCHECKED BY: A. ALBERT DATE: 10/18/2017 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Belews Creek Steam Station\MapDocs\CSA_Supplement_2\Belews - Isoconcentration Maps.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET &<DOWNGRADIENT MONITORING WELL &<BACKGROUND MONITORING WELL &<ABANDONED MONITORING WELL WATER SUPPLY WELL ASH BASIN WASTE BOUNDARY <STREAM (AMEC NRTR 2015) DESIGNATED EFFLUENT CHANNEL ASH BASIN COMPLIANCE BOUNDARY LANDFILL BOUNDARY STRUCTURAL FILL BOUNDARY LANDFILL COMPLIANCE BOUNDARY DUKE ENERGY CAROLINAS BELEWS CREEK PLANTSITE BOUNDARY LEGEND NOT DETECTED ABOVE REPORTING LIMITND TOTAL BERYLLIUM CONCENTRATION (μg/L)1 NOT SAMPLEDNS IMAC CONTOUR PBTV CONTOUR INTERMEDIATE CONTOUR <<<<<<<<< <<<<<<<<<<<<<<<&<&< &< &< &< &< &< &< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &<&< ASH BASIN PINE HALLROAD LANDFILL STRUCTURALFILL BELEWS RESERVOIR M A R T IN L U T H E R K IN G J R R D OLD PLANTATION RD MIDDLETON LOOPP IN E H A L L R D0.2190.219 0 .2 1 9 44AB-1D0.65 AB-3D0.013 AB-4D0.017 AB-5D0.01 AB-6D0.018 AB-8D0.044 BG-1D0.049 j BG-3D0.058 j GWA-1D0.035 j GWA-2D0.067 j GWA-3D0.047 j GWA-4D0.023 j GWA-8D0.042 j GWA-9D0.047 j GWA-10DA0.033 j GWA-11D0.14 GWA-12D0.036 j GWA-16DA0.023 j GWA-17D0.015 j MW-103D6.1 MW-104D0.016 j,B MW2-72.27 j OB-91.55 j AB-2D0.65 GWA-30D0.03 j GWA-31D0.15 GWA-32D0.02 j GWA-20D1.5 GWA-21D5.9 GWA-23D0.11 GWA-24D0.12 GWA-26D0.078 j GWA-27D1.6 AB-7DND AB-9DND BG-2DND GWA-5DND GWA-6DND GWA-7DND MW-200DND MW-201DND MW-202DND MW-203DND MW-204DND MW2-9ND GWA-18DND GWA-16DNS GWA-19DNS GWA-22DNS MW2-2NS MW2-3NS MW2-4NS MW2-5NS MW2-1NS SFMW-1DNS SFMW-2DNS SFMW-3DNS SFMW-4DNS SFMW-5DNS MW-101DNS MW-102DNS NOTES:THE INTERIM MAXIMUM ALLOWABLE CONCENTRATION (IMAC) FOR BERYLLIUM IS 4μg/L. PROVISIONAL BACKGROUND THRESHOLD VALUE IS 0.219 μg/L. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. † CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC PBTV BUT WITHIN THEBACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGICSETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENTMIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THEASH BASIN. CONCENTRATIONS REPORTED ON FIGURE REPRESENT MOST RECENT VALIDSAMPLE RESULTS FOR EACH WELL. DATA WITH HIGH TURBIDITY (>10 NTU) ORRESULTS THAT INDICATE GROUT CONTAMINATION OF THE WELL (PH>9) HAVE BEENREMOVED FROM DATASET. COLLECTION DATES DEPICTED ON FIGURE RANGE FROMMAY 2010 TO MAY 2017. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON AUGUST 2, 2017.AERIAL WAS COLLECTED ON APRIL 8, 2017. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83/2011). FIGURE 10-15ISOCONCENTRATION MAPBERYLLIUM IN DEEP GROUNDWATERBELEWS CREEK STEAM STATIONDUKE ENERGY CAROLINAS, LLCBELEWS CREEK, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: S. SPINNERCHECKED BY: A. ALBERT DATE: 10/18/2017 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Belews Creek Steam Station\MapDocs\CSA_Supplement_2\Belews - Isoconcentration Maps.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET &<DOWNGRADIENT MONITORING WELL &<BACKGROUND MONITORING WELL &<ABANDONED MONITORING WELL WATER SUPPLY WELL ASH BASIN WASTE BOUNDARY <STREAM (AMEC NRTR 2015) DESIGNATED EFFLUENT CHANNEL ASH BASIN COMPLIANCE BOUNDARY LANDFILL BOUNDARY STRUCTURAL FILL BOUNDARY LANDFILL COMPLIANCE BOUNDARY DUKE ENERGY CAROLINAS BELEWS CREEK PLANTSITE BOUNDARY LEGEND NOT DETECTED ABOVE REPORTING LIMITND TOTAL BERYLLIUM CONCENTRATION (μg/L)1 NOT SAMPLEDNS IMAC CONTOUR PBTV CONTOUR INTERMEDIATE CONTOUR <<<<<<<<< <<<<<<<<<<<<<<<&< &< &< &< &< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< ASH BASIN PINE HALLROAD LANDFILL STRUCTURALFILL BELEWS RESERVOIR M A R T IN L U T H E R K IN G J R R D OLD PLANTATION RD MIDDLETON LOOPPINE HALL RDBG-2BRA0.087 j GWA-12BR0.02 j MW-200BR0.2 MW-202BR0.023 j MW-203BR0.012 j AB-4BR0.14 j GWA-9BR0.025 j BC2004-RAW0.11 BC2021-RAW0.11 BC-10020.1 BC-10060.13 MW-1DND AB-9BRND MW-201BRND GWA-24BRND BC-1007ND BC2 Well 1NDBC2 Well 2ND BC2019-RAWND BC4 Well ANDBC4 Well BND BC1ND BC10ND BC13ND BC14ND BC15ND BC17ND BC18ND BC19ND BC24ND BC33ND BC34ND BC35ND BC5ND BC6ND BC8R2ND BC9ND BC2000-RAWND BC2026-RAWND BC-1000ND BC-1001ND BC-1003ND BC-1004ND BC-1005ND BC20ND BC25ND BC26ND BC30ND BC31ND BC7ND BC8ND GWA-25BRNS MW-104BRNS AB-1BRNS AB-4BRDNS AB-9BRDNS GWA-5BRNS GWA-16BRNS GWA-20BRNS GWA-26BRNS GWA-27BRNSGWA-19BRNS NOTES:THE INTERIM MAXIMUM ALLOWABLE CONCENTRATION (IMAC) FOR BERYLLIUM IS 4μg/L. PROVISIONAL BACKGROUND THRESHOLD VALUE IS 0.2 μg/L. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. † CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC PBTV BUT WITHIN THEBACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGICSETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENTMIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THEASH BASIN. CONCENTRATIONS REPORTED ON FIGURE REPRESENT MOST RECENT VALIDSAMPLE RESULTS FOR EACH WELL. DATA WITH HIGH TURBIDITY (>10 NTU) ORRESULTS THAT INDICATE GROUT CONTAMINATION OF THE WELL (PH>9) HAVE BEENREMOVED FROM DATASET. COLLECTION DATES DEPICTED ON FIGURE RANGE FROMMAY 2010 TO MAY 2017. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON AUGUST 2, 2017.AERIAL WAS COLLECTED ON APRIL 8, 2017. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83/2011). WATER SUPPLY WELL SAMPLED BY NCDEQ BETWEEN FEBRUARY 2015 AND APRIL2017. FIGURE 10-16ISOCONCENTRATION MAPBERYLLIUM IN BEDROCK GROUNDWATERBELEWS CREEK STEAM STATIONDUKE ENERGY CAROLINAS, LLCBELEWS CREEK, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: S. SPINNERCHECKED BY: A. ALBERT DATE: 10/18/2017 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Belews Creek Steam Station\MapDocs\CSA_Supplement_2\Belews - Isoconcentration Maps.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET &<DOWNGRADIENT MONITORING WELL &<BACKGROUND MONITORING WELL &<ABANDONED MONITORING WELL WATER SUPPLY WELL ASH BASIN WASTE BOUNDARY <STREAM (AMEC NRTR 2015) DESIGNATED EFFLUENT CHANNEL ASH BASIN COMPLIANCE BOUNDARY LANDFILL BOUNDARY STRUCTURAL FILL BOUNDARY LANDFILL COMPLIANCE BOUNDARY DUKE ENERGY CAROLINAS BELEWS CREEK PLANTSITE BOUNDARY LEGEND NOT DETECTED ABOVE REPORTING LIMITND TOTAL BERYLLIUM CONCENTRATION (μg/L)1 NOT SAMPLEDNS IMAC CONTOUR PBTV CONTOUR INTERMEDIATE CONTOUR <<<<<<<<< <<<<<<<<<<<<<<<&<&< &<&< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &<&< &< &< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &<&< ASH BASI N PINE HALLROAD LAND FILL STRU CTURALFILL BELEW S RESERVO IR M A R T IN L U T H E R K IN G J R R D OLD PLANTATION RD MIDDLETON LOOPPINE HALL RD5 0 5 0 70070010000AB-1 S8570 AB-3 S11200 AB-4 S*7960 AB-4 SL*1420 0 AB-5 S*937 AB-5 SL*11300 AB-6 S*69.2 AB-7 S*2080 0 AB-8 SL*1070 0 GWA-1S729 GWA-6S25.3 j GW A-7 SA64 GW A-8 S482 GWA-1 0S97.2 GW A-11 S852 GWA-1 7S25.9 j MW-19.5 3 j MW-4718 MW -54.0 9 j MW -64.4 j MW -200S95 OB -414800 OB -56.3 5 j AB-6 SL*628 AB-8 S*234 GWA-19SA2110 GW A-2 1S184 GWA-2 3S2270MW-28.1 6 j MW-75251 MW-1 03S1320 GWA-1 8S28 j GWA-18SA112 GWA-1 9S1320 GWA-20SA11200 GW A-2 7S155 AB-9 SND BG-2SND BG-3SND GWA-2SND GWA-5SND GW A-1 2SND GW A-1 6SND MW -3ND MW-1 04SND MW -202SND MW-2 03SND MW -204SND GW A-2 2SND GW A-2 6SND GW A-3 0SND GW A-3 1SND GWA-3 2SND GWA-9SND GW A-3 SND AB-2 SNS GWA-2 4SNS BG-1SNS OB -1NS MW -102SNS MW-1 01SNS NOTES:THE NORT H CAR OL INA 2 L FOR BORON IS 70 0 μg /L. PROVIS IONAL BACKGROUND THRESHOL D VAL UE IS SET AT RE PORT ING LIMIT OF 50μg/L. * ASH PORE WATER W ELL DISPL AY ED IN T HE S HALLOW GROUNDWATER UNIT F ORUSE IN CONTOURING. DATA PRE SENTED MAY INCLUDE L AB-QUA LIF IED RES ULTS. REF ER TO ANALYTICALDATA TABL E NOT ES F OR QUA LIF IER DEF INITIONS. † CON CENTRATION GR EATER T HAN CU RRENT S ITE SPE CIFIC PBTV BUT W ITHIN T HEBACKGROUND CONCENTRAT ION RANGE FOR SIMILA R PIEDMONT GEOLOGICSETTINGS. DUE TO GROU NDWATER FLOW DIREC TION AND OTHER CONST ITUE NTMIGRATION PAT TERNS, CON CENTRATION D OES NOT SUGGEST IMPA CT FROM THEASH B ASIN. CONCENTRATIONS REPORTED ON FIGURE REP RESENT MOST RECE NT VAL IDSAMPLE RESULT S F OR EAC H WELL . DATA W ITH HIGH TURB IDITY (>10 NTU) ORRESULTS THAT INDICATE GROUT CONTA MINATION OF THE W ELL (PH>9) HAVE B EENREMOVED FROM DATAS ET. COL LECTION DATES DEPICTED ON FIGURE RAN GE FR OMMAY 201 0 TO MAY 20 17. PROPERTY B OUNDARY PROVIDED BY DUKE ENERGY C AROLINAS. AERIA L PHOTOGRAPHY OBTAINED FROM GOOGL E E ART H P RO ON AUGUST 2, 2 017 .AERIA L WAS COLL ECTED ON APRIL 8, 2 017 . 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 10-17ISOCONCENTRATION MAPBORON IN SHALLOW GROUNDWATERBELEWS CREEK STEAM STATIONDUKE EN ERG Y CA ROLI NAS, LLCBELEWS CREEK , NORTH CAROL INADRAWN BY: B. YOUNGPROJECT MANAGER: S. SPINNERCHECKED BY: A. ALBERT DAT E: 10/29/2017 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\B ele ws Creek Steam Statio n\M apDo cs\CSA _S upple ment_2 \Bele ws - Iso con centration M ap s.m xd 500 0 500 1,000250 GRAP HIC SCALE IN FEET &<DOWNG RADIEN T MONITOR ING WELL &<BAC KGRO UND MON ITO RING WELL &<ABAN DONED MO NITORIN G WEL L WATER SUPPLY WELL ASH BASIN WASTE BOUNDARY <STREAM (AMEC NRTR 2015 ) DESIGNATED EFFLUENT CHANNEL ASH BASIN C OMPL IANCE BOUNDARY LANDFIL L BOUND ARYSTRUCTURAL FI LL BOU NDARY LANDFIL L COMPLI ANCE BOUNDARY DUKE ENERG Y CAROL INAS BELEWS CREEK PLANTSITE BOUND ARY LEGEND NOT DETECTED ABOVE REPORTING LIMI TND TOTAL BORON CO NCENTR ATI ON (μg /L)1 NOT SAMPL EDNS NORTH C AROLINA 2 L CONTOUR PBTV CONTOUR INTERMEDIATE CONTO UR <<<<<<<<< <<<<<<<<<<<<<<<&<&< &< &< &< &< &< &< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< ASH BASI N PINE HALLROAD LAND FILL STRU CTURALFILL BELEW S RESERVO IR M A R T IN L U T H E R K IN G J R R D OLD PLANTATION RD MIDDLETON LOOPP IN E H A L L R D 505 0 7007 0 0 7 0 0 10000 AB-1D9330 AB-3 D1710 AB-4D88.6 AB-5 D37 AB-8 D26.8 AB-9D62.5 BG-1D45.6 jGWA-11 D147 GWA-17D39.1 j MW-1 01D4550 MW-1 03D1570 MW -2 00D162 MW2-722700 MW2-9325OB-926700 AB-2 D11300 GW A-3 2D44.4 j GW A-2 0D9890 GWA-21D264 GWA-23D7150 M1 GWA-26D30.7 j GW A-2 7D5420 AB-6 DND AB-7 DND BG-2DND BG-3DND GW A-1 DND GWA-2 DND GW A-3 DND GWA-4 DND GW A-5 DND GW A-6 DND GWA-7 DND GW A-8 DND GWA-9 DND GWA-1 0DAND GW A-1 2DND GWA-1 6DAND MW -1 04DND MW -2 01DND MW-2 02DND MW-2 03DND MW-2 04DND GWA-30DND GWA-31DND GW A-1 8DND GW A-2 4DND MW2-2NS MW 2-3NS MW2-4NS MW2-5NS GWA-16DNS GWA-19DNS GW A-2 2DNS MW2-1NS SFMW-1DNS SFMW-2DNS SFMW-3DNS SFMW-4DNS SFMW-5DNS MW -1 02DNS NOTES:THE NORT H CAR OL INA 2 L FOR BORON IS 70 0 μg /L. PROVIS IONAL BACKGROUND THRESHOL D VAL UE IS SET AT RE PORT ING LIMIT OF 50μg/L. DATA PRE SENTED MAY INCLUDE L AB-QUA LIF IED RES ULTS. REF ER TO ANALYTICALDATA TABL E NOT ES F OR QUA LIF IER DEF INITIONS. † CON CENTRATION GR EATER T HAN CU RRENT S ITE SPE CIFIC PBTV BUT W ITHIN T HEBACKGROUND CONCENTRAT ION RANGE FOR SIMILA R PIEDMONT GEOLOGICSETTINGS. DUE TO GROU NDWATER FLOW DIREC TION AND OTHER CONST ITUE NTMIGRATION PAT TERNS, CON CENTRATION D OES NOT SUGGEST IMPA CT FROM THEASH B ASIN. CONCENTRATIONS REPORTED ON FIGURE REP RESENT MOST RECE NT VAL IDSAMPLE RESULT S F OR EAC H WELL . DATA W ITH HIGH TURB IDITY (>10 NTU) ORRESULTS THAT INDICATE GROUT CONTA MINATION OF THE W ELL (PH>9) HAVE B EENREMOVED FROM DATAS ET. COL LECTION DATES DEPICTED ON FIGURE RAN GE FR OMMAY 201 0 TO MAY 20 17. PROPERTY B OUNDARY PROVIDED BY DUKE ENERGY C AROLINAS. AERIA L PHOTOGRAPHY OBTAINED FROM GOOGL E E ART H P RO ON AUGUST 2, 2 017 .AERIA L WAS COLL ECTED ON APRIL 8, 2 017 . 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 10-18ISOCONCENTRATION MAPBORON IN DEEP GR OUNDWATERBELEWS CREEK STEAM STATIONDUKE EN ERG Y CA ROLI NAS, LLCBELEWS CREEK , NORTH CAROL INADRAWN BY: B. YOUNGPROJECT MANAGER: S. SPINNERCHECKED BY: A. ALBERT DAT E: 10/29/2017 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\B ele ws Creek Steam Statio n\M apDo cs\CSA _S upple ment_2 \Bele ws - Iso con centration M ap s.m xd 500 0 500 1,000250 GRAP HIC SCALE IN FEET &<DOWNG RADIEN T MONITOR ING WELL &<BAC KGRO UND MON ITO RING WELL &<ABAN DONED MO NITORIN G WEL L WATER SUPPLY WELL ASH BASIN WASTE BOUNDARY <STREAM (AMEC NRTR 2015 ) DESIGNATED EFFLUENT CHANNEL ASH BASIN C OMPL IANCE BOUNDARY LANDFIL L BOUND ARYSTRUCTURAL FI LL BOU NDARY LANDFIL L COMPLI ANCE BOUNDARY DUKE ENERG Y CAROL INAS BELEWS CREEK PLANTSITE BOUND ARY LEGEND NOT DETECTED ABOVE REPORTING LIMI TND TOTAL BORON CO NCENTR ATI ON (μg /L)1 NOT SAMPL EDNS NORTH C AROLINA 2 L CONTOUR PBTV CONTOUR INTERMEDIATE CONTO UR <<<<<<<<< <<<<<<<<<<<<<<<&< &< &< &< &< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< ASH BASI N PINE HALLROAD LAND FILL STRU CTURALFILL BELEW S RESERVO IR M A R T IN L U T H E R K IN G J R R D OLD PLANTATION RD MIDDLETON LOOPPINE HALL RD505 0 MW -1 D9.5 2 j MW -200BR106 AB-4 BR28.6 j GWA-9BR211 BC1322.5 BG-2B RAND GWA-1 2BRND MW-2 02BRND MW -203BRND AB-9 BRND MW-2 01BRND GW A-2 4BRND BC-1007ND BC2 Well 1NDBC2 Well 2ND BC201 9-RAWND BC4 Well AND BC4 Well BND BC1ND BC10ND BC14ND BC15ND BC17ND BC18ND BC19ND BC24ND BC33ND BC34ND BC35ND BC5ND BC6ND BC8R2ND BC9ND BC200 0-RAWND BC200 4-RAWND BC202 1-RAWND BC202 6-RAWND BC-1 000ND BC-1001ND BC-1 002ND BC-1003ND BC-1004ND BC-1005ND BC-1006ND BC20ND BC25ND BC26ND BC30ND BC31ND BC7ND BC8ND GWA-2 5BRNS MW -104BRNS AB-1 BRNS AB-4 BRDNS AB-9 BRDNS GW A-5 BRNS GWA-1 6BRNS GWA-2 0BRNS GWA-2 6BRNS GW A-2 7BRNSGWA-1 9BRNS NOTES:THE NORT H CAR OL INA 2 L FOR BORON IS 70 0 μg /L. PROVIS IONAL BACKGROUND THRESHOL D VAL UE IS 50 μ g/L. DATA PRE SENTED MAY INCLUDE L AB-QUA LIF IED RES ULTS. REF ER TO ANALYTICALDATA TABL E NOT ES F OR QUA LIF IER DEF INITIONS. † CON CENTRATION GR EATER T HAN CU RRENT S ITE SPE CIFIC PBTV BUT W ITHIN T HEBACKGROUND CONCENTRAT ION RANGE FOR SIMILA R PIEDMONT GEOLOGICSETTINGS. DUE TO GROU NDWATER FLOW DIREC TION AND OTHER CONST ITUE NTMIGRATION PAT TERNS, CON CENTRATION D OES NOT SUGGEST IMPA CT FROM THEASH B ASIN. CONCENTRATIONS REPORTED ON FIGURE REP RESENT MOST RECE NT VAL IDSAMPLE RESULT S F OR EAC H WELL . DATA W ITH HIGH TURB IDITY (>10 NTU) ORRESULTS THAT INDICATE GROUT CONTA MINATION OF THE W ELL (PH>9) HAVE B EENREMOVED FROM DATAS ET. COL LECTION DATES DEPICTED ON FIGURE RAN GE FR OMMAY 201 0 TO MAY 20 17. PROPERTY B OUNDARY PROVIDED BY DUKE ENERGY C AROLINAS. AERIA L PHOTOGRAPHY OBTAINED FROM GOOGL E E ART H P RO ON AUGUST 2, 2 017 .AERIA L WAS COLL ECTED ON APRIL 8, 2 017 . 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). WATER SUPPLY WE LL SAMPL ED BY NCDEQ BET WE EN F EBRUARY 2 015 AND APR IL2017. FIGURE 10-19ISOCONCENTRATION MAPBORON IN BEDROCK GROUNDWATERBELEWS CREEK STEAM STATIONDUKE EN ERG Y CA ROLI NAS, LLCBELEWS CREEK , NORTH CAROL INADRAWN BY: B. YOUNGPROJECT MANAGER: S. SPINNERCHECKED BY: A. ALBERT 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\B ele ws Creek Steam Statio n\M apDo cs\CSA _S upple ment_2 \Bele ws - Iso con centration M ap s.m xd 500 0 500 1,000250 GRAP HIC SCALE IN FEET &<DOWNG RADIEN T MONITOR ING WELL &<BAC KGRO UND MON ITO RING WELL &<ABAN DONED MO NITORIN G WEL L WATER SUPPLY WELL ASH BASIN WASTE BOUNDARY <STREAM (AMEC NRTR 2015 ) DESIGNATED EFFLUENT CHANNEL ASH BASIN C OMPL IANCE BOUNDARY LANDFIL L BOUND ARYSTRUCTURAL FI LL BOU NDARY LANDFIL L COMPLI ANCE BOUNDARY DUKE ENERG Y CAROL INAS BELEWS CREEK PLANTSITE BOUND ARY LEGEND NOT DETECTED ABOVE REPORTING LIMI TND TOTAL BORON CO NCENTR ATI ON (μg /L)1 NOT SAMPL EDNS NORTH C AROLINA 2 L CONTOUR PBTV CONTOUR INTERMEDIATE CONTO UR <<<<<<<<< <<<<<<<<<<<<<<<&<&< &<&< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &<&< &< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &<&< ASH BASIN PINE HALLROAD LANDFILL STRUCTURALFILL BELEWS RESERVOIR M A R T IN L U T H E R K IN G J R R D OLD PLANTATION RD MIDDLETON LOOPP I N E H A L L R D 11 AB-3S0.051 AB-4SL*0.28 AB-7S*1.2 BG-2S0.068 jGWA-1S0.29 GWA-6S0.52 GWA-7SA0.09 B GWA-8S0.15 GWA-10S0.25 GWA-11S0.84 GWA-12S0.077 j GWA-17S0.12 OB-40.983 j OB-50.115 j AB-8S*1.8 GWA-19SA0.55 GWA-21S0.61 GWA-23S0.17 GWA-18SA0.19 GWA-19S0.46 GWA-20SA1.4 GWA-26S0.057 j GWA-27S0.12 GWA-9S0.073 j AB-1SND AB-4S*ND AB-5S*ND AB-5SL*ND AB-6S*ND AB-8SL*ND AB-9SND BG-3SND GWA-2SND GWA-5SNDGWA-16SND MW-1ND MW-3ND MW-4ND MW-5ND MW-6ND MW-104SND MW-200SND MW-202SND MW-203SND MW-204SND AB-6SL*ND MW-2ND MW-103SND GWA-18SND GWA-22SND GWA-30SND GWA-31SND GWA-32SND GWA-3SND AB-2SNS GWA-24SNS BG-1SNS OB-1NS MW-7NS MW-102SNS MW-101SNS NOTES:THE NORTH CAROLINA 2L FOR CADMIUM IS 2 μg/L. PROVISIONAL BACKGROUND THRESHOLD VALUE IS 1µg/L. * ASH PORE WATER WELL DISPLAYED IN THE SHALLOW GROUNDWATER UNIT FORUSE IN CONTOURING. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. † CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC PBTV BUT WITHIN THEBACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGICSETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENTMIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THEASH BASIN. CONCENTRATIONS REPORTED ON FIGURE REPRESENT MOST RECENT VALIDSAMPLE RESULTS FOR EACH WELL. DATA WITH HIGH TURBIDITY (>10 NTU) ORRESULTS THAT INDICATE GROUT CONTAMINATION OF THE WELL (PH>9) HAVE BEENREMOVED FROM DATASET. COLLECTION DATES DEPICTED ON FIGURE RANGE FROMMAY 2010 TO MAY 2017. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON AUGUST 2, 2017.AERIAL WAS COLLECTED ON APRIL 8, 2017. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83/2011). FIGURE 10-20ISOCONCENTRATION MAPCADMIUM IN SHALLOW GROUNDWATERBELEWS CREEK STEAM STATIONDUKE ENERGY CAROLINAS, LLCBELEWS CREEK, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: S. SPINNERCHECKED BY: A. ALBERT DATE: 10/18/2017 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Belews Creek Steam Station\MapDocs\CSA_Supplement_2\Belews - Isoconcentration Maps.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET &<DOWNGRADIENT MONITORING WELL &<BACKGROUND MONITORING WELL &<ABANDONED MONITORING WELL WATER SUPPLY WELL ASH BASIN WASTE BOUNDARY <STREAM (AMEC NRTR 2015) DESIGNATED EFFLUENT CHANNEL ASH BASIN COMPLIANCE BOUNDARY LANDFILL BOUNDARY STRUCTURAL FILL BOUNDARY LANDFILL COMPLIANCE BOUNDARY DUKE ENERGY CAROLINAS BELEWS CREEK PLANTSITE BOUNDARY LEGEND NOT DETECTED ABOVE REPORTING LIMITND TOTAL CADMIUM CONCENTRATION (μg/L)1 NOT SAMPLEDNS NORTH CAROLINA 2L CONTOUR PBTV CONTOUR INTERMEDIATE CONTOUR <<<<<<<<< <<<<<<<<<<<<<<<&<&< &< &< &< &< &< &< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< ASH BASIN PINE HALLROAD LANDFILL STRUCTURALFILL BELEWS RESERVOIR M A R T IN L U T H E R K IN G J R R D OLD PLANTATION RD MIDDLETON LOOPP IN E H A L L R D 1 1 1 2 2 2 AB-1D0.16 AB-9D0.069 MW-103D3.3 MW2-70.871 j OB-92.4 AB-2D0.21 GWA-20D2 GWA-21D0.87 GWA-23D0.54 GWA-24D0.052 j GWA-26D0.24 GWA-27D1.6 AB-3DND AB-4DND AB-5DND AB-6DND AB-7DNDAB-8DND BG-1DND BG-2DND BG-3DND GWA-1DND GWA-2DND GWA-3DND GWA-4DND GWA-5DND GWA-6DND GWA-7DND GWA-8DND GWA-9DND GWA-10DAND GWA-11DND GWA-12DND GWA-16DAND GWA-17DND MW-101DND MW-104DND MW-200DND MW-201DND MW-202DND MW-203DND MW-204DND MW2-9ND GWA-30DND GWA-31DND GWA-32DND GWA-18DND MW2-2NS MW2-3NS MW2-4NS MW2-5NS GWA-16DNS GWA-19DNS GWA-22DNS MW2-1NS SFMW-1DNS SFMW-2DNS SFMW-3DNS SFMW-4DNS SFMW-5DNS MW-102DNS NOTES:THE NORTH CAROLINA 2L FOR CADMIUM IS 2 μg/L. PROVISIONAL BACKGROUND THRESHOLD VALUE IS 1µg/L. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. † CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC PBTV BUT WITHIN THEBACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGICSETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENTMIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THEASH BASIN. CONCENTRATIONS REPORTED ON FIGURE REPRESENT MOST RECENT VALIDSAMPLE RESULTS FOR EACH WELL. DATA WITH HIGH TURBIDITY (>10 NTU) ORRESULTS THAT INDICATE GROUT CONTAMINATION OF THE WELL (PH>9) HAVE BEENREMOVED FROM DATASET. COLLECTION DATES DEPICTED ON FIGURE RANGE FROMMAY 2010 TO MAY 2017. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON AUGUST 2, 2017.AERIAL WAS COLLECTED ON APRIL 8, 2017. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83/2011). FIGURE 10-21ISOCONCENTRATION MAPCADMIUM IN DEEP GROUNDWATERBELEWS CREEK STEAM STATIONDUKE ENERGY CAROLINAS, LLCBELEWS CREEK, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: S. SPINNERCHECKED BY: A. ALBERT DATE: 10/18/2017 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Belews Creek Steam Station\MapDocs\CSA_Supplement_2\Belews - Isoconcentration Maps.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET &<DOWNGRADIENT MONITORING WELL &<BACKGROUND MONITORING WELL &<ABANDONED MONITORING WELL WATER SUPPLY WELL ASH BASIN WASTE BOUNDARY <STREAM (AMEC NRTR 2015) DESIGNATED EFFLUENT CHANNEL ASH BASIN COMPLIANCE BOUNDARY LANDFILL BOUNDARY STRUCTURAL FILL BOUNDARY LANDFILL COMPLIANCE BOUNDARY DUKE ENERGY CAROLINAS BELEWS CREEK PLANTSITE BOUNDARY LEGEND NOT DETECTED ABOVE REPORTING LIMITND TOTAL CADMIUM CONCENTRATION (μg/L)1 NOT SAMPLEDNS NORTH CAROLINA 2L CONTOUR PBTV CONTOUR INTERMEDIATE CONTOUR <<<<<<<<< <<<<<<<<<<<<<<<&< &< &< &< &< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< ASH BASIN PINE HALLROAD LANDFILL STRUCTURALFILL BELEWS RESERVOIR M A R T IN L U T H E R K IN G J R R D OLD PLANTATION RD MIDDLETON LOOPPINE HALL RD0.08GWA-9BR0.34 BC14†0.083 BC19†0.11 BC24†0.098 BC26†0.18 BG-2BRAND GWA-12BRND MW-1DND MW-200BRND MW-202BRND MW-203BRND AB-4BRND AB-9BRND MW-201BRND GWA-24BRND BC-1007ND BC2 Well 1NDBC2 Well 2ND BC2019-RAWND BC4 Well AND BC4 Well BND BC1ND BC10ND BC13ND BC15ND BC17ND BC18ND BC33ND BC34ND BC35ND BC5ND BC6ND BC8R2ND BC9ND BC2000-RAWND BC2004-RAWND BC2021-RAWND BC2026-RAWND BC-1000ND BC-1001ND BC-1002ND BC-1003ND BC-1004ND BC-1005ND BC-1006ND BC20ND BC25ND BC30ND BC31ND BC7ND BC8ND GWA-25BRNS MW-104BRNS AB-1BRNS AB-4BRDNS AB-9BRDNS GWA-5BRNS GWA-16BRNS GWA-20BRNS GWA-26BRNS GWA-27BRNSGWA-19BRNS NOTES:THE NORTH CAROLINA 2L FOR CADMIUM IS 2 μg/L. PROVISIONAL BACKGROUND THRESHOLD VALUE IS 0.08 µg/L. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. † CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC PBTV BUT WITHIN THEBACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGICSETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENTMIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THEASH BASIN. CONCENTRATIONS REPORTED ON FIGURE REPRESENT MOST RECENT VALIDSAMPLE RESULTS FOR EACH WELL. DATA WITH HIGH TURBIDITY (>10 NTU) ORRESULTS THAT INDICATE GROUT CONTAMINATION OF THE WELL (PH>9) HAVE BEENREMOVED FROM DATASET. COLLECTION DATES DEPICTED ON FIGURE RANGE FROMMAY 2010 TO MAY 2017. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON AUGUST 2, 2017.AERIAL WAS COLLECTED ON APRIL 8, 2017. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83/2011). WATER SUPPLY WELL SAMPLED BY NCDEQ BETWEEN FEBRUARY 2015 AND APRIL2017. FIGURE 10-22ISOCONCENTRATION MAPCADMIUM IN BEDROCK GROUNDWATERBELEWS CREEK STEAM STATIONDUKE ENERGY CAROLINAS, LLCBELEWS CREEK, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: S. SPINNERCHECKED BY: A. ALBERT DATE: 10/18/2017 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Belews Creek Steam Station\MapDocs\CSA_Supplement_2\Belews - Isoconcentration Maps.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET &<DOWNGRADIENT MONITORING WELL &<BACKGROUND MONITORING WELL &<ABANDONED MONITORING WELL WATER SUPPLY WELL ASH BASIN WASTE BOUNDARY <STREAM (AMEC NRTR 2015) DESIGNATED EFFLUENT CHANNEL ASH BASIN COMPLIANCE BOUNDARY LANDFILL BOUNDARY STRUCTURAL FILL BOUNDARY LANDFILL COMPLIANCE BOUNDARY DUKE ENERGY CAROLINAS BELEWS CREEK PLANTSITE BOUNDARY LEGEND NOT DETECTED ABOVE REPORTING LIMITND TOTAL CADMIUM CONCENTRATION (μg/L)1 NOT SAMPLEDNS NORTH CAROLINA 2L CONTOUR PBTV CONTOUR INTERMEDIATE CONTOUR <<<<<<<<< <<<<<<<<<<<<<<<&<&< &<&< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &<&< &< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &<&< ASH BASI N PINE HALLROAD LAND FILL STRU CTURALFILL BELEW S RESERVO IR M A R T IN L U T H E R K IN G J R R D OLD PLANTATION RD M I D D L E T O N L O O P PINE HALL RD1 5 2 5 0 500 AB-1 S478 AB-3 S473 AB-4 S*304 AB-4 SL*8.5 AB-5 S*11 AB-5 SL*426 AB-6 S*7.1 AB-7 S*884 AB-8 SL*6.5 AB-9 S5.7 BG-2S14 BG-3S2.4 GW A-1 S88.6 GWA-2S1.3 GW A-5 S2.1 GWA-6S7.8 GWA-7 SA18.8 GWA-8S3.9 GWA-1 0S73.1 M1 GW A-11 S231 GWA-1 2S0.7 7 j GWA-1 6S0.6 7 j GWA-1 7S1 MW-12.1 8 MW-38.9 MW -42.5 2 MW -52.0 4 MW -68.0 7 MW -104S0.8 5 j MW-2 00S33 MW -202S1.7 MW -203S1.8 MW -204S2.9 OB -44.7 3 OB -53.4 1 AB-6 SL*7.4 AB-8 S*4.7 GW A-1 9SA180 GW A-2 1S144 GWA-2 3S7.9MW-26.8 7 MW-1 03S248 GWA-1 8S21.5 GWA-18SA56.6 GWA-1 9S157 GW A-2 0SA489 GW A-2 2S2 GWA-2 6S6.4 GWA-2 7S51.9 GW A-3 0S4.5 GW A-3 1S2.4 GWA-3 2S42.6 GWA-9S2.7 GWA-3S7.7 AB-2 SNS GWA-2 4SNS BG-1SNS OB -1NS MW-7NS MW-1 02SNS MW-1 01SNS NOTES:THE NORT H CAR OL INA 2 L FOR CHLORIDE IS 25 0 mg/L . PROVIS IONAL BACKGROUND THRESHOL D VAL UE IS 15 mg/L. * ASH PORE WATER W ELL DISPL AY ED IN T HE S HALLOW GROUNDWATER UNIT F ORUSE IN CONTOURING. DATA PRE SENTED MAY INCLUDE L AB-QUA LIF IED RES ULTS. REF ER TO ANALYTICALDATA TABL E NOT ES F OR QUA LIF IER DEF INITIONS. † CON CENTRATION GR EATER T HAN CU RRENT S ITE SPE CIFIC PBTV BUT W ITHIN T HEBACKGROUND CONCENTRAT ION RANGE FOR SIMILA R PIEDMONT GEOLOGICSETTINGS. DUE TO GROU NDWATER FLOW DIREC TION AND OTHER CONST ITUE NTMIGRATION PAT TERNS, CON CENTRATION D OES NOT SUGGEST IMPA CT FROM THEASH B ASIN. CONCENTRATIONS REPORTED ON FIGURE REP RESENT MOST RECE NT VAL IDSAMPLE RESULT S F OR EAC H WELL . DATA W ITH HIGH TURB IDITY (>10 NTU) ORRESULTS THAT INDICATE GROUT CONTA MINATION OF THE W ELL (PH>9) HAVE B EENREMOVED FROM DATAS ET. COL LECTION DATES DEPICTED ON FIGURE RAN GE FR OMMAY 201 0 TO MAY 20 17. PROPERTY B OUNDARY PROVIDED BY DUKE ENERGY C AROLINAS. AERIA L PHOTOGRAPHY OBTAINED FROM GOOGL E E ART H P RO ON AUGUST 2, 2 017 .AERIA L WAS COLL ECTED ON APRIL 8, 2 017 . 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 10-23ISOCONCENTRATION MAPCHLORIDE IN SHA LLOW GROUNDWATERBELEWS CREEK STEAM STATIONDUKE EN ERG Y CA ROLI NAS, LLCBELEWS CREEK , NORTH CAROL INADRAWN BY: B. YOUNGPROJECT MANAGER: S. SPINNERCHECKED BY: A. ALBERT DAT E: 10/29/2017 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\B ele ws Creek Steam Statio n\M apDo cs\CSA _S upple ment_2 \Bele ws - Iso con centration M ap s.m xd 500 0 500 1,000250 GRAP HIC SCALE IN FEET &<DOWNG RADIEN T MONITOR ING WELL &<BAC KGRO UND MON ITO RING WELL &<ABAN DONED MO NITORIN G WEL L WATER SUPPLY WELL ASH BASIN WASTE BOUNDARY <STREAM (AMEC NRTR 2015 ) DESIGNATED EFFLUENT CHANNEL ASH BASIN C OMPL IANCE BOUNDARY LANDFIL L BOUND ARYSTRUCTURAL FI LL BOU NDARY LANDFIL L COMPLI ANCE BOUNDARY DUKE ENERG Y CAROL INAS BELEWS CREEK PLANTSITE BOUND ARY LEGEND NOT DETECTED ABOVE REPORTING LIMI TND TOTAL CHLORIDE CONCENTRATION (mg/L)1 NOT SAMPL EDNS NORTH C AROLINA 2 L CONTOUR PBTV CONTOUR INTERMEDIATE CONTO UR <<<<<<<<< <<<<<<<<<<<<<<<&<&< &< &< &< &< &< &< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< ASH BASI N PINE HALLROAD LAND FILL STRU CTURALFILL BELEW S RESERVO IR M A R T IN L U T H E R K IN G J R R D OLD PLANTATION RD MIDDLETON LOOPP IN E H A L L R D 20.920.92 5 0 AB-1D477 AB-3 D269 AB-4D3.2 AB-5D0.8 AB-6 D1.2 AB-7 D4.1AB-8 D12.7 AB-9D6.2 BG-1D7.7 BG-2D14 BG-3D5 GW A-1 D52.1 GW A-2 D1.5 GWA-3 D9.9 GWA-4 D6.5 GW A-5 D3.9 GW A-6 D3.6 GWA-7 D21.9 GW A-8 D5.3 GWA-9 D30.7 GWA-1 0DA3.8 GW A-11 D235 GW A-1 2D1.1 GWA-1 6DA0.7 4 j GWA-17D0.9 3 j MW -1 01D430 MW-1 03D292 MW -1 04D1.2 MW -2 00D34 MW-2 01D4.4 MW-2 02D2.8 MW-2 03D2.9 MW -2 04D2.2 MW2-714.1 MW 2-93.9OB-911.4 AB-2 D475 GWA-30D3.6 GWA-31D1.7 GWA-32D87.8 GWA-18D11 GWA-20D478 GW A-2 1D217 GWA-23D10.7 GW A-2 4D43.9 GWA-26D9.6 GW A-2 7D393 MW2-2NS MW 2-3NS MW2-4NS MW 2-5NS GWA-16DNS GWA-19DNS GW A-2 2DNS MW2-1NS SFMW-1DNS SFMW-2DNS SFMW-3DNS SFMW-4DNS SFMW-5DNS MW-1 02DNS NOTES:THE NORT H CAR OL INA 2 L FOR CHLORIDE IS 25 0 mg/L . PROVIS IONAL BACKGROUND THRESHOL D VAL UE IS 20 .9 mg/L. DATA PRE SENTED MAY INCLUDE L AB-QUA LIF IED RES ULTS. REF ER TO ANALYTICALDATA TABL E NOT ES F OR QUA LIF IER DEF INITIONS. † CON CENTRATION GR EATER T HAN CU RRENT S ITE SPE CIFIC PBTV BUT W ITHIN T HEBACKGROUND CONCENTRAT ION RANGE FOR SIMILA R PIEDMONT GEOLOGICSETTINGS. DUE TO GROU NDWATER FLOW DIREC TION AND OTHER CONST ITUE NTMIGRATION PAT TERNS, CON CENTRATION D OES NOT SUGGEST IMPA CT FROM THEASH B ASIN. CONCENTRATIONS REPORTED ON FIGURE REP RESENT MOST RECE NT VAL IDSAMPLE RESULT S F OR EAC H WELL . DATA W ITH HIGH TURB IDITY (>10 NTU) ORRESULTS THAT INDICATE GROUT CONTA MINATION OF THE W ELL (PH>9) HAVE B EENREMOVED FROM DATAS ET. COL LECTION DATES DEPICTED ON FIGURE RAN GE FR OMMAY 201 0 TO MAY 20 17. PROPERTY B OUNDARY PROVIDED BY DUKE ENERGY C AROLINAS. AERIA L PHOTOGRAPHY OBTAINED FROM GOOGL E E ART H P RO ON AUGUST 2, 2 017 .AERIA L WAS COLL ECTED ON APRIL 8, 2 017 . 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 10-24ISOCONCENTRATION MAPCHLORIDE IN DEEP GROUNDWATERBELEWS CREEK STEAM STATIONDUKE EN ERG Y CA ROLI NAS, LLCBELEWS CREEK , NORTH CAROL INADRAWN BY: B. YOUNGPROJECT MANAGER: S. SPINNERCHECKED BY: A. ALBERT 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\B ele ws Creek Steam Statio n\M apDo cs\CSA _S upple ment_2 \Bele ws - Iso con centration M ap s.m xd 500 0 500 1,000250 GRAP HIC SCALE IN FEET &<DOWNG RADIEN T MONITOR ING WELL &<BAC KGRO UND MON ITO RING WELL &<ABAN DONED MO NITORIN G WEL L WATER SUPPLY WELL ASH BASIN WASTE BOUNDARY <STREAM (AMEC NRTR 2015 ) DESIGNATED EFFLUENT CHANNEL ASH BASIN C OMPL IANCE BOUNDARY LANDFIL L BOUND ARYSTRUCTURAL FI LL BOU NDARY LANDFIL L COMPLI ANCE BOUNDARY DUKE ENERG Y CAROL INAS BELEWS CREEK PLANTSITE BOUND ARY LEGEND NOT DETECTED ABOVE REPORTING LIMI TND TOTAL CHLORIDE CONCENTRATION (mg/L)1 NOT SAMPL EDNS NORTH C AROLINA 2 L CONTOUR PBTV CONTOUR INTERMEDIATE CONTO UR <<<<<<<<< <<<<<<<<<<<<<<<&< &< &< &< &< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< ASH BASI N PINE HALLROAD LAND FILL STRU CTURALFILL BELEW S RESERVO IR M A R T IN L U T H E R K IN G J R R D OLD PLANTATION RD M I D D L E T O N L O O P PINE HALL RD3BG-2B RA2.5 GWA-1 2BR2.3 MW -1 D7.9 6 MW-2 00BR49.5 MW-2 02BR2.4 MW-2 03BR6 AB-4 BR1.4 AB-9 BR4.3 MW -201BR4.8 GWA-9BR52.7 GW A-2 4BR1.5 BC-10071.5 BC201 9-RAW1.8 BC4 Well A1.6 BC1†7 BC10†3 BC13†14.9 BC141.8 BC15†5.7 BC17†4 BC181.6 BC191.8 BC24†3.7 BC332.8 BC34†8.3 BC35†7.2 BC52.7 BC6†11.3 BC8R2†3.5 BC9†6.3 BC200 0-RAW2.1 BC200 4-RAW1.8 BC2021-RAW †5.7 BC202 6-RAW1.2 BC-1 0002.1 BC-1 001†3.7 BC-1 0021.4 BC-1 0031.2 BC-1 0041.5 BC-1 0051.2 BC-10061.1 BC202.2 BC25†3.1 BC26†4 BC30†7.5 BC312.4 BC71.5 6 BC8†3.5 BC2 Well 1NDBC2 Well 2ND BC4 Well BND GW A-2 5BRNS MW -104BRNS AB-1 BRNS AB-4 BRDNS AB-9 BRDNS GW A-5 BRNS GWA-1 6BRNS GWA-2 0BRNS GW A-2 6BRNS GW A-2 7BRNSGWA-1 9BRNS NOTES:THE NORT H CAR OL INA 2 L FOR CHLORIDE IS 25 0 mg/L . PROVIS IONAL BACKGROUND THRESHOL D VAL UE IS 3 mg/L. DATA PRE SENTED MAY INCLUDE L AB-QUA LIF IED RES ULTS. REF ER TO ANALYTICALDATA TABL E NOT ES F OR QUA LIF IER DEF INITIONS. † CON CENTRATION GR EATER T HAN CU RRENT S ITE SPE CIFIC PBTV BUT W ITHIN T HEBACKGROUND CONCENTRAT ION RANGE FOR SIMILA R PIEDMONT GEOLOGICSETTINGS. DUE TO GROU NDWATER FLOW DIREC TION AND OTHER CONST ITUE NTMIGRATION PAT TERNS, CON CENTRATION D OES NOT SUGGEST IMPA CT FROM THEASH B ASIN. CONCENTRATIONS REPORTED ON FIGURE REP RESENT MOST RECE NT VAL IDSAMPLE RESULT S F OR EAC H WELL . DATA W ITH HIGH TURB IDITY (>10 NTU) ORRESULTS THAT INDICATE GROUT CONTA MINATION OF THE W ELL (PH>9) HAVE B EENREMOVED FROM DATAS ET. COL LECTION DATES DEPICTED ON FIGURE RAN GE FR OMMAY 201 0 TO MAY 20 17. PROPERTY B OUNDARY PROVIDED BY DUKE ENERGY C AROLINAS. AERIA L PHOTOGRAPHY OBTAINED FROM GOOGL E E ART H P RO ON AUGUST 2, 2 017 .AERIA L WAS COLL ECTED ON APRIL 8, 2 017 . 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). WATER SUPPLY WE LL SAMPL ED BY NCDEQ BET WE EN F EBRUARY 2 015 AND APR IL2017. FIGURE 10-25ISOCONCENTRATION MAPCHLORIDE IN BED ROCK GROUNDWATERBELEWS CREEK STEAM STATIONDUKE EN ERG Y CA ROLI NAS, LLCBELEWS CREEK , NORTH CAROL INADRAWN BY: B. YOUNGPROJECT MANAGER: S. SPINNERCHECKED BY: A. ALBERT 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\B ele ws Creek Steam Statio n\M apDo cs\CSA _S upple ment_2 \Bele ws - Iso con centration M ap s.m xd 500 0 500 1,000250 GRAP HIC SCALE IN FEET &<DOWNG RADIEN T MONITOR ING WELL &<BAC KGRO UND MON ITO RING WELL &<ABAN DONED MO NITORIN G WEL L WATER SUPPLY WELL ASH BASIN WASTE BOUNDARY <STREAM (AMEC NRTR 2015 ) DESIGNATED EFFLUENT CHANNEL ASH BASIN C OMPL IANCE BOUNDARY LANDFIL L BOUND ARYSTRUCTURAL FI LL BOU NDARY LANDFIL L COMPLI ANCE BOUNDARY DUKE ENERG Y CAROL INAS BELEWS CREEK PLANTSITE BOUND ARY LEGEND NOT DETECTED ABOVE REPORTING LIMI TND TOTAL CHLORIDE CONCENTRATION (mg/L)1 NOT SAMPL EDNS NORTH C AROLINA 2 L CONTOUR PBTV CONTOUR INTERMEDIATE CONTO UR <<<<<<<<< <<<<<<<<<<<<<<<&<&<&<&< &<&<&<&< &<&<&<&< &<&< &<&< &<&< &<&< &<&< &<&< &<&< &<&< &<&< &<&< &<&< &<&< &<&< &<&< &<&< &<&< &<&< &< &<&< &< &< &< &<&< &< &< &< &< &< &< &<&< &<&< &<&< &<&< &<&<&< &<&< &<&<&<&< &<&< &<&< &<&< &<&< &<&< &<&< &<&< &<&< &<&< &<&< &<&< &<&< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &<&< &<&<&<&< AB-1S7 AB-3S2.2 AB-4S*0.23 AB-4SL*0.89 AB-5S*0.44 AB-5SL*1.3 AB-6S*0.42 AB-7S*2.6 AB-8SL*1.2 AB-9S0.36 BG-2S3.4 BG-3S1.4 GWA-1S289 M1 GWA-2S2 GWA-5S1.1 GWA-6S1.5 GWA-7SA1.1GWA-8S0.58 GWA-10S0.36 j,B GWA-11S14.7 GWA-12S1.9 GWA-16S0.36 j,B GWA-17S2.8 MW-31.4 MW-414 MW-51.58 j MW-104S1.9 AB-6SL*0.89 AB-8S*2.1 GWA-19SA0.84 GWA-21S0.49 j,B GWA-23S0.89MW-21.3 j MW-103S1.5 GWA-18S1.3 GWA-18SA2.8 GWA-19S4.1 GWA-20SA1.8 GWA-22S2.1 GWA-26S0.88 GWA-27S4.1 GWA-30S0.30 j GWA-31S1.2 GWA-32S2.3 GWA-9S2.6 GWA-3S269AB-1S0.33 AB-5S*0.062 AB-5SL*0.13 AB-6S*0.022 BG-2S1.5 BG-3S0.5 GWA-1S0.29 GWA-2S0.96 j,D3 GWA-5S0.54 GWA-6S0.31 M1 GWA-7SA0.59GWA-8S0.11 GWA-11S0.48 j,D3 GWA-12S0.099 GWA-16S0.11 GWA-17S0.15 MW-30.68 MW-104S0.64 GWA-19SA0.079 j GWA-21S0.045 GWA-23S0.27 GWA-19S0.041 GWA-20SA0.064 j,D3 GWA-22S1.2 GWA-26S0.52 GWA-27S0.019 j GWA-30S0.12 GWA-31S0.48 j,D3 GWA-9S0.16 GWA-3S0.17 MW-1ND MW-6ND MW-200SND MW-202SND MW-203SND MW-204SND OB-4ND OB-5ND AB-2SNS GWA-24SNS BG-1SNS AB-3SND AB-4S*ND AB-4SL*ND AB-7S*NDAB-8SL*ND AB-9SND GWA-10SND AB-6SL*ND AB-8S*ND MW-103SND GWA-18SND GWA-18SAND GWA-32SND AB-2SNS GWA-24SNS BG-1SNS MW-1NS MW-5NS MW-4NS OB-4NS OB-5NS MW-6NSMW-2NS MW-203SNS MW-204SNS MW-200SNS OB-1NS OB-1NS MW-202SNS MW-101SNS MW-101SNS MW-102SNS MW-102SNS MW-7NS MW-7NS ASH BASIN PINE HALLROAD LANDFILL STRUCTURALFILL BELEWS RESERVOIR M A R T IN L U T H E R K IN G J R R D OLD PLANTATION RD M I D D L E T O N L O O P P IN E H A L L R D4.724.7210 102502 5 0 NOTES:THE NORTH CAROLINA 2L FOR CHROMIUM IS 10 μg/L. PROVISIONAL BACKGROUND THRESHOLD VALUE IS 4.72 µg/L. * ASH PORE WATER WELL DISPLAYED IN THE SHALLOW GROUNDWATER UNIT FORUSE IN CONTOURING. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. † CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC PBTV BUT WITHIN THEBACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGICSETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENTMIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THEASH BASIN. CONCENTRATIONS REPORTED ON FIGURE REPRESENT MOST RECENT VALIDSAMPLE RESULTS FOR EACH WELL. DATA WITH HIGH TURBIDITY (>10 NTU) ORRESULTS THAT INDICATE GROUT CONTAMINATION OF THE WELL (PH>9) HAVE BEENREMOVED FROM DATASET. COLLECTION DATES DEPICTED ON FIGURE RANGE FROMMAY 2010 TO MAY 2017. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON AUGUST 2, 2017.AERIAL WAS COLLECTED ON APRIL 8, 2017. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83/2011). FIGURE 10-26ISOCONCENTRATION MAPCHROMIUM (VI) AND CHROMIUM (TOTAL) IN SHALLOWGROUNDWATERBELEWS CREEK STEAM STATIONDUKE ENERGY CAROLINAS, LLCBELEWS CREEK, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: S. SPINNERCHECKED BY: A. ALBERT DATE: 10/18/2017 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Belews Creek Steam Station\MapDocs\CSA_Supplement_2\Belews - Isoconcentration Maps_Chromium.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET &<DOWNGRADIENT MONITORING WELL &<BACKGROUND MONITORING WELL &<ABANDONED MONITORING WELL WATER SUPPLY WELL ASH BASIN BOUNDARY <STREAM (AMEC NRTR 2015) DESIGNATED EFFLUENT CHANNEL ASH BASIN COMPLIANCE BOUNDARY LANDFILL BOUNDARY STRUCTURAL FILL BOUNDARY LANDFILL COMPLIANCE BOUNDARY DUKE ENERGY CAROLINAS BELEWS CREEK PLANTSITE BOUNDARY LEGENDTOTAL CHROMIUM CONCENTRATION (μg/L)1 TOTAL CHROMIUM NOT DETECTED ABOVEREPORTING LIMITND CHROMIUM (VI) CONCENTRATION (µg/L)1 CHROMIUM (VI) NOT DETECTED ABOVEREPORTING LIMITND TOTAL CHROMIUM NOT SAMPLEDNS CHROMIUM (VI) NOT SAMPLEDNS NORTH CAROLINA 2L CONTOUR INTERMEDIATE CONTOUR PBTV CONTOUR <<<<<<<<< <<<<<<<<<<<<<<<&<&<&<&< &<&< &<&< &<&< &<&< &<&< &<&< &<&<&<&< &<&< &<&< &<&< &<&< &<&< &<&< &<&< &<&< &<&< &<&< &<&< &<&< &<&< &<&< &<&< &<&<&<&< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &<&< &<&< &<&< &<&< &<&< &<&< &<&< &<&< &<&< &<&< &<&< &< &< &< &< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &<&< &< &< &< &< &<&< AB-1D5.4 AB-3D2.6 AB-4D0.46 AB-5D0.69 AB-6D0.62 AB-7D0.42 AB-8D0.76 AB-9D0.37 BG-1D0.41 j BG-2D0.55 BG-3D2.2 GWA-1D10 GWA-2D1.6 GWA-3D5.4 GWA-4D0.95 GWA-5D1.5 GWA-6D0.52 GWA-7D1.1 GWA-8D0.51 GWA-9D3.1 GWA-10DA61.7 M1 GWA-11D13.1 GWA-12D0.45 j,B GWA-16DA78.1 GWA-17D1.4 MW-103D0.30 j MW-104D1.9 MW2-99.07 AB-2D5.1 GWA-30D0.86 GWA-31D0.57 GWA-32D0.75 GWA-18D0.59 GWA-20D1.5 GWA-21D1.8 GWA-23D13.3 GWA-24D1.4 GWA-26D0.95 AB-1D0.46 AB-3D0.074 AB-4D0.38 AB-5D0.5 AB-6D0.42 AB-7D0.05 AB-8D0.02 AB-9D0.011 BG-1D0.12 BG-2D0.13 BG-3D0.073 GWA-1D0.053 GWA-2D0.087 GWA-3D0.79 GWA-4D0.66 GWA-5D0.19 GWA-6D0.27 GWA-7D0.68 GWA-8D0.0092 j GWA-9D0.11 GWA-10DA0.11 GWA-12D0.052 MW-104D1.7 AB-2D0.43 j,D3 GWA-30D0.33 GWA-18D0.17 GWA-21D0.075 M1 GWA-23D8.3 GWA-24D0.23 GWA-26D0.042 GWA-27D0.013 j MW-101DNS MW-200DND MW-201DND MW2-2NS MW-202DND MW2-3NS MW-203DND MW2-4NS MW-204DND MW2-5NS MW2-7ND OB-9ND GWA-27DND GWA-16DNS GWA-19DNS GWA-22DNS GWA-11DND GWA-16DAND GWA-17DND MW-103DND GWA-31DND GWA-32DND GWA-20DND GWA-16DNS GWA-19DNS GWA-22DNS OB-9NS MW2-2NS MW2-3NS MW2-4NS MW2-5NS MW2-1NS MW2-1NS MW-203DND MW-204DNS MW-101DNS MW-200DNS MW-201DNS MW-202DNS MW2-9NS MW2-7NS SFMW-1DNS SFMW-1DNS SFMW-3DNS SFMW-3DNS SFMW-4DNSSFMW-4DNS SFMW-5DNS SFMW-5DNS SFMW-2DNSSFMW-2DNS MW-102DNS MW-102DNS ASH BASIN PINE HALLROAD LANDFILL STRUCTURALFILL BELEWS RESERVOIR M A R T IN L U T H E R K IN G J R R D OLD PLANTATION RD MIDDLETON LOOPP IN E H A L L R D 3 . 3 3.33.33.3 10 101060NOTES:THE NORTH CAROLINA 2L FOR CHROMIUM IS 10 μg/L. PROVISIONAL BACKGROUND THRESHOLD VALUE IS 3.3 µg/L. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. † CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC PBTV BUT WITHIN THEBACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGICSETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENTMIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THEASH BASIN. CONCENTRATIONS REPORTED ON FIGURE REPRESENT MOST RECENT VALIDSAMPLE RESULTS FOR EACH WELL. DATA WITH HIGH TURBIDITY (>10 NTU) ORRESULTS THAT INDICATE GROUT CONTAMINATION OF THE WELL (PH>9) HAVE BEENREMOVED FROM DATASET. COLLECTION DATES DEPICTED ON FIGURE RANGE FROMMAY 2010 TO MAY 2017. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON AUGUST 2, 2017.AERIAL WAS COLLECTED ON APRIL 8, 2017. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83/2011). FIGURE 10-27ISOCONCENTRATION MAPCHROMIUM (VI) AND CHROMIUM (TOTAL) IN DEEPGROUNDWATERBELEWS CREEK STEAM STATIONDUKE ENERGY CAROLINAS, LLCBELEWS CREEK, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: S. SPINNERCHECKED BY: A. ALBERT DATE: 10/18/2017 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Belews Creek Steam Station\MapDocs\CSA_Supplement_2\Belews - Isoconcentration Maps_Chromium.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET &<DOWNGRADIENT MONITORING WELL &<BACKGROUND MONITORING WELL &<ABANDONED MONITORING WELL WATER SUPPLY WELL ASH BASIN BOUNDARY <STREAM (AMEC NRTR 2015) DESIGNATED EFFLUENT CHANNEL ASH BASIN COMPLIANCE BOUNDARY LANDFILL BOUNDARY STRUCTURAL FILL BOUNDARY LANDFILL COMPLIANCE BOUNDARY DUKE ENERGY CAROLINAS BELEWS CREEK PLANTSITE BOUNDARY LEGENDTOTAL CHROMIUM CONCENTRATION (μg/L)1 TOTAL CHROMIUM NOT DETECTED ABOVEREPORTING LIMITND CHROMIUM (VI) CONCENTRATION (µg/L)1 CHROMIUM (VI) NOT DETECTED ABOVEREPORTING LIMITND TOTAL CHROMIUM NOT SAMPLEDNS CHROMIUM (VI) NOT SAMPLEDNS NORTH CAROLINA 2L CONTOUR INTERMEDIATE CONTOUR PBTV CONTOUR <<<<<<<<< <<<<<<<<<<<<<<<&<&< &<&< &< &<&< &<&< &<&<&<&< &<&< &<&< &<&< &<&< &<&< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &<&< &< BG-2BRA† 34.7 GWA-12BR0.74 MW-200BR0.098 j MW-202BR0.92 MW-203BR3.4 AB-4BR1.4 AB-9BR1.9 MW-201BR0.79 GWA-9BR0.98 GWA-24BR0.72 GWA-25BRNS BC-10070.77 BC11.4 BC101.6 BC150.96 BC180.79 BC33† 19.3 BC340.52 BC351.6 BC8R20.91 BG-2BRA0.052 GWA-12BR0.031 MW-202BR0.17 MW-203BR0.52 AB-4BR0.39 MW-201BR0.017 j GWA-9BR0.076 GWA-24BR0.044 GWA-25BRNS BC-10071 0.79 BC2019-RAW0.65 BC4 Well A0.085 BC10.093 BC100.057 BC150.41 BC180.59BC350.18 BC8R20.06 BC2026-RAW0.2 MW-1DND MW-104BRNS AB-1BRNS AB-4BRDNS AB-9BRDNS GWA-5BRNS GWA-16BRNS GWA-20BRNS GWA-26BRNS GWA-27BRNS BC2 Well 1NDBC2 Well 2ND BC2019-RAWND BC4 Well AND BC4 Well BND GWA-19BRNS BC13ND BC14ND BC17NDBC19ND BC24ND BC5ND BC6ND BC9ND BC2000-RAWND BC2004-RAWND BC2021-RAWND BC2026-RAWND MW-200BRND AB-9BRND MW-104BRNS AB-1BRNS AB-4BRDNS AB-9BRDNS GWA-5BRNS GWA-16BRNS GWA-20BRNS GWA-26BRNS GWA-27BRNS BC2 Well 1ND BC2 Well 2ND BC4 Well BND GWA-19BRNS BC13ND BC14ND BC17ND BC19ND BC24ND BC33ND BC34ND BC5ND BC6ND BC9ND BC2000-RAWND BC2004-RAWND BC2021-RAWND MW-1DNS BC7ND BC7ND BC-1000NDBC-1000ND BC210.89 BC210.58 BC20ND BC20ND BC30ND BC30ND BC31ND BC31ND BC-10010.049 BC-1001ND BC-10050.037 BC-1005ND BC26NS BC26NS BC-1003ND BC-1003NDBC-10061.0 BC-10061.3 BC250.037BC25ND BC-1002ND BC-1002ND BC-1004ND BC-1004ND BC80.06 BC80.91 ASH BASIN PINE HALLROAD LANDFILL STRUCTURALFILL BELEWS RESERVOIR M A R T IN L U T H E R K IN G J R R DOLD PL ANT AT I ON RDM I D D L E T O N L O O P PINE HALL RDNOTES:THE NORTH CAROLINA 2L FOR CHROMIUM IS 10 μg/L. PROVISIONAL BACKGROUND THRESHOLD VALUE IS 5.3 µg/L. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. † CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC PBTV BUT WITHIN THEBACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGICSETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENTMIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THEASH BASIN. CONCENTRATIONS REPORTED ON FIGURE REPRESENT MOST RECENT VALIDSAMPLE RESULTS FOR EACH WELL. DATA WITH HIGH TURBIDITY (>10 NTU) ORRESULTS THAT INDICATE GROUT CONTAMINATION OF THE WELL (PH>9) HAVE BEENREMOVED FROM DATASET. COLLECTION DATES DEPICTED ON FIGURE RANGE FROMMAY 2010 TO MAY 2017. 1 HEXAVALENT CHROMIUM CONCENTRATION IS GREATER THAN THE TOTALCHROMIUM CONCENTRATION FOR THIS SAMPLE RESULT. THE CAUSE OF THISDISCREPANCY IN UNKNOWN AND RESULTS SHOULD BE CONSIDERED ESTIMATEDCONCENTRATIONS. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON AUGUST 2, 2017.AERIAL WAS COLLECTED ON APRIL 8, 2017. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83/2011). WATER SUPPLY WELL SAMPLED BY NCDEQ BETWEEN FEBRUARY 2015 AND APRIL2017. FIGURE 10-28ISOCONCENTRATION MAPCHROMIUM (VI) AND CHROMIUM (TOTAL) IN BEDROCKGROUNDWATERBELEWS CREEK STEAM STATIONDUKE ENERGY CAROLINAS, LLCBELEWS CREEK, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: S. SPINNERCHECKED BY: A. ALBERT DATE: 10/18/2017 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Belews Creek Steam Station\MapDocs\CSA_Supplement_2\Belews - Isoconcentration Maps_Chromium.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET &<DOWNGRADIENT MONITORING WELL &<BACKGROUND MONITORING WELL &<ABANDONED MONITORING WELL WATER SUPPLY WELL ASH BASIN BOUNDARY <STREAM (AMEC NRTR 2015) DESIGNATED EFFLUENT CHANNEL ASH BASIN COMPLIANCE BOUNDARY LANDFILL BOUNDARY STRUCTURAL FILL BOUNDARY LANDFILL COMPLIANCE BOUNDARY DUKE ENERGY CAROLINAS BELEWS CREEK PLANTSITE BOUNDARY LEGENDTOTAL CHROMIUM CONCENTRATION (μg/L)1 TOTAL CHROMIUM NOT DETECTED ABOVEREPORTING LIMITND CHROMIUM (VI) CONCENTRATION (µg/L)1 CHROMIUM (VI) NOT DETECTED ABOVEREPORTING LIMITND TOTAL CHROMIUM NOT SAMPLEDNS CHROMIUM (VI) NOT SAMPLEDNS NORTH CAROLINA 2L CONTOUR INTERMEDIATE CONTOUR PBTV CONTOUR <<<<<<<<< <<<<<<<<<<<<<<<&<&< &<&< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &<&< ASH BASIN PINE HALLROAD LANDFILL STRUCTURALFILL BELEWS RESERVOIR M A R T IN L U T H E R K IN G J R R D OLD PLANTATION RD M I D D L E T O N L O O P P I N E H A L L R D AB-1S0.33 AB-5S*0.062 AB-5SL*0.13 AB-6S*0.022 BG-2S1.5 BG-3S0.5 GWA-1S0.29 GWA-2S0.96 j,D3 GWA-5S0.54 GWA-6S0.31 M1 GWA-7SA0.59 GWA-8S0.11 GWA-11S0.48 j,D3 GWA-12S0.099 GWA-16S0.11 GWA-17S0.15 MW-30.68 MW-104S0.64 GWA-19SA0.079 j GWA-21S0.045 GWA-23S0.27 GWA-19S0.041 GWA-20SA0.064 j,D3 GWA-22S1.2 GWA-26S0.52 GWA-27S0.019 j GWA-30S0.12 GWA-31S0.48 j,D3 GWA-9S0.16 GWA-3S0.17 AB-3SND AB-4S*ND AB-4SL*ND AB-7S*ND AB-8SL*ND AB-9SND GWA-10SND AB-6SL*ND AB-8S*ND MW-103SND GWA-18SND GWA-18SAND GWA-32SND AB-2SNS GWA-24SNS BG-1SNS MW-1NS MW-4NS MW-5NS MW-6NS OB-4NS OB-5NS MW-2NS OB-1NS MW-7NS MW-102SNS MW-101SNS NOTES:THE NORTH CAROLINA DEPARTMENT OF HEALTH AND HUMAN SERVICES HEALTHSCREENING LEVEL FOR CHROMIUM (VI) IS 0.07 µg/L. NC DHHS MEMORANDUM,NOVEMBER 4, 2015. PROVISIONAL BACKGROUND THRESHOLD VALUE IS 1.75 µg/L. * ASH PORE WATER WELL DISPLAYED IN THE SHALLOW GROUNDWATER UNIT FORUSE IN CONTOURING. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. † CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC PBTV BUT WITHIN THEBACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGICSETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENTMIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THEASH BASIN. CONCENTRATIONS REPORTED ON FIGURE REPRESENT MOST RECENT VALIDSAMPLE RESULTS FOR EACH WELL. DATA WITH HIGH TURBIDITY (>10 NTU) ORRESULTS THAT INDICATE GROUT CONTAMINATION OF THE WELL (PH>9) HAVE BEENREMOVED FROM DATASET. COLLECTION DATES DEPICTED ON FIGURE RANGE FROMMAY 2010 TO MAY 2017. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON AUGUST 2, 2017.AERIAL WAS COLLECTED ON APRIL 8, 2017. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83/2011). FIGURE 10-29ISOCONCENTRATION MAPCHROMIUM (VI) IN SHALLOW GROUNDWATERBELEWS CREEK STEAM STATIONDUKE ENERGY CAROLINAS, LLCBELEWS CREEK, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: S. SPINNERCHECKED BY: A. ALBERT DATE: 10/18/2017 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Belews Creek Steam Station\MapDocs\CSA_Supplement_2\Belews - Isoconcentration Maps.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET &<DOWNGRADIENT MONITORING WELL &<BACKGROUND MONITORING WELL &<ABANDONED MONITORING WELL WATER SUPPLY WELL ASH BASIN WASTE BOUNDARY <STREAM (AMEC NRTR 2015) DESIGNATED EFFLUENT CHANNEL ASH BASIN COMPLIANCE BOUNDARY LANDFILL BOUNDARY STRUCTURAL FILL BOUNDARY LANDFILL COMPLIANCE BOUNDARY DUKE ENERGY CAROLINAS BELEWS CREEK PLANTSITE BOUNDARY LEGEND NOT DETECTED ABOVE REPORTING LIMITND CHROMIUM (VI) CONCENTRATION (µg/L)1 NOT SAMPLEDNS NCDHHS CONTOUR PBTV CONTOUR INTERMEDIATE CONTOUR <<<<<<<<< <<<<<<<<<<<<<<<&<&< &< &< &< &< &< &< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &<&< ASH BASIN PINE HALLROAD LANDFILL STRUCTURALFILL BELEWS RESERVOIR M A R T IN L U T H E R K IN G J R R D OLD PLANTATION RD MIDDLETON LOOPPINE HALL RD0 .4 1 1 0.411AB-1D0.46 AB-3D0.074 AB-4D0.38 AB-5D0.5 AB-6D0.42 AB-7D0.05AB-8D0.02 AB-9D0.011 BG-1D0.12 BG-2D0.13 BG-3D0.073 GWA-1D0.053 GWA-2D0.087 GWA-3D0.79 GWA-4D0.66 GWA-5D0.19 GWA-6D0.27 GWA-7D0.68 GWA-8D0.0092 j GWA-9D0.11 GWA-10DA0.11 GWA-12D0.052 MW-104D1.7 AB-2D0.43 j,D3 GWA-30D0.33 GWA-18D0.17 GWA-21D0.075 M1 GWA-23D8.3 GWA-24D0.23 GWA-26D0.042 GWA-27D0.013 j GWA-11DND GWA-16DAND GWA-17DND MW-103DND GWA-31DND GWA-32DND GWA-20DND GWA-16DNS GWA-19DNS GWA-22DNS MW2-2NS MW2-3NS MW2-4NS MW2-5NS MW2-9NSOB-9NS MW2-1NS MW2-7NS SFMW-1DNS SFMW-2DNS SFMW-3DNS SFMW-4DNS SFMW-5DNS MW-102DNSMW-101DNS NOTES:THE NORTH CAROLINA DEPARTMENT OF HEALTH AND HUMAN SERVICES HEALTHSCREENING LEVEL FOR CHROMIUM (VI) IS 0.07 µg/L. NC DHHS MEMORANDUM,NOVEMBER 4, 2015. PROVISIONAL BACKGROUND THRESHOLD VALUE IS 0.411 µg/L. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. † CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC PBTV BUT WITHIN THEBACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGICSETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENTMIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THEASH BASIN. CONCENTRATIONS REPORTED ON FIGURE REPRESENT MOST RECENT VALIDSAMPLE RESULTS FOR EACH WELL. DATA WITH HIGH TURBIDITY (>10 NTU) ORRESULTS THAT INDICATE GROUT CONTAMINATION OF THE WELL (PH>9) HAVE BEENREMOVED FROM DATASET. COLLECTION DATES DEPICTED ON FIGURE RANGE FROMMAY 2010 TO MAY 2017. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON AUGUST 2, 2017.AERIAL WAS COLLECTED ON APRIL 8, 2017. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83/2011). FIGURE 10-30ISOCONCENTRATION MAPCHROMIUM (VI) IN DEEP GROUNDWATERBELEWS CREEK STEAM STATIONDUKE ENERGY CAROLINAS, LLCBELEWS CREEK, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: S. SPINNERCHECKED BY: A. ALBERT DATE: 10/18/2017 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Belews Creek Steam Station\MapDocs\CSA_Supplement_2\Belews - Isoconcentration Maps.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET &<DOWNGRADIENT MONITORING WELL &<BACKGROUND MONITORING WELL &<ABANDONED MONITORING WELL WATER SUPPLY WELL ASH BASIN WASTE BOUNDARY <STREAM (AMEC NRTR 2015) DESIGNATED EFFLUENT CHANNEL ASH BASIN COMPLIANCE BOUNDARY LANDFILL BOUNDARY STRUCTURAL FILL BOUNDARY LANDFILL COMPLIANCE BOUNDARY DUKE ENERGY CAROLINAS BELEWS CREEK PLANTSITE BOUNDARY LEGEND NOT DETECTED ABOVE REPORTING LIMITND CHROMIUM (VI) CONCENTRATION (µg/L)1 NOT SAMPLEDNS NCDHHS CONTOUR PBTV CONTOUR INTERMEDIATE CONTOUR <<<<<<<<< <<<<<<<<<<<<<<<&< &< &< &< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< ASH BASIN PINE HALLROAD LANDFILL STRUCTURALFILL BELEWS RESERVOIR M A R T IN L U T H E R K IN G J R R D OLD PLANTATION RD MIDDLETON LOOPPINE HALL RD0 .3 3 BG-2BRA0.052 GWA-12BR0.031 MW-202BR0.17 MW-203BR0.52 AB-4BR0.39 MW-201BR0.017 j GWA-9BR0.076 GWA-24BR0.044 BC-1007†0.79 BC2019-RAW†0.65 BC4 Well A0.085 BC10.093 BC100.057 BC15†0.41 BC18†0.59 BC350.18 BC8R20.06 BC2026-RAW0.2 BC-10010.049BC-1006†1 BC250.037 BC80.06 MW-200BRND AB-9BRND BC2 Well 1NDBC2 Well 2ND BC4 Well BND BC13ND BC14ND BC17ND BC19ND BC24ND BC33ND BC34ND BC5ND BC6ND BC9ND BC2000-RAWND BC2004-RAWND BC2021-RAWND BC-1000ND BC-1002ND BC-1003ND BC-1004ND BC-1005ND BC20ND BC30ND BC31ND BC7ND GWA-25BRNS MW-104BRNS AB-1BRNS AB-4BRDNS AB-9BRDNS GWA-5BRNS GWA-16BRNS GWA-20BRNS GWA-26BRNS GWA-27BRNSGWA-19BRNS BC26NS NOTES:THE NORTH CAROLINA DEPARTMENT OF HEALTH AND HUMAN SERVICES HEALTHSCREENING LEVEL FOR CHROMIUM (VI) IS 0.07 µg/L. NC DHHS MEMORANDUM,NOVEMBER 4, 2015. PROVISIONAL BACKGROUND THRESHOLD VALUE IS 0.33 µg/L. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. † CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC PBTV BUT WITHIN THEBACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGICSETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENTMIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THEASH BASIN. CONCENTRATIONS REPORTED ON FIGURE REPRESENT MOST RECENT VALIDSAMPLE RESULTS FOR EACH WELL. DATA WITH HIGH TURBIDITY (>10 NTU) ORRESULTS THAT INDICATE GROUT CONTAMINATION OF THE WELL (PH>9) HAVE BEENREMOVED FROM DATASET. COLLECTION DATES DEPICTED ON FIGURE RANGE FROMMAY 2010 TO MAY 2017. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON AUGUST 2, 2017.AERIAL WAS COLLECTED ON APRIL 8, 2017. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83/2011). WATER SUPPLY WELL SAMPLED BY NCDEQ BETWEEN FEBRUARY 2015 AND APRIL FIGURE 10-31ISOCONCENTRATION MAPCHROMIUM (VI) IN BEDROCK GROUNDWATERBELEWS CREEK STEAM STATIONDUKE ENERGY CAROLINAS, LLCBELEWS CREEK, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: S. SPINNERCHECKED BY: A. ALBERT DATE: 10/18/2017 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Belews Creek Steam Station\MapDocs\CSA_Supplement_2\Belews - Isoconcentration Maps.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET &<DOWNGRADIENT MONITORING WELL &<BACKGROUND MONITORING WELL &<ABANDONED MONITORING WELL WATER SUPPLY WELL ASH BASIN WASTE BOUNDARY <STREAM (AMEC NRTR 2015) DESIGNATED EFFLUENT CHANNEL ASH BASIN COMPLIANCE BOUNDARY LANDFILL BOUNDARY STRUCTURAL FILL BOUNDARY LANDFILL COMPLIANCE BOUNDARY DUKE ENERGY CAROLINAS BELEWS CREEK PLANTSITE BOUNDARY LEGEND NOT DETECTED ABOVE REPORTING LIMITND CHROMIUM (VI) CONCENTRATION (µg/L)1 NOT SAMPLEDNS NCDHHS CONTOUR PBTV CONTOUR INTERMEDIATE CONTOUR <<<<<<<<< <<<<<<<<<<<<<<<&<&< &<&< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &<&< &< &< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &<&< ASH BASIN PINE HALLROAD LANDFILL STRUCTURALFILL BELEWS RESERVOIR M A R T IN L U T H E R K IN G J R R D OLD PLANTATION RD M I D D L E T O N L O O P P I N E H A L L R D 0 .5 0 9 0.5090.5091 1 1AB-1S32.3 AB-3S11.4 AB-4S*0.1 AB-4SL*0.32 AB-5S*0.06 AB-5SL*0.056 AB-6S*0.37 AB-7S*28.5 AB-8SL*0.63 AB-9S13.6 BG-2S0.18 BG-3S0.3 GWA-1S7.2 GWA-2S0.44 GWA-5S0.23 GWA-6S0.78 GWA-7SA12.6 GWA-8S0.21 GWA-10S54 GWA-11S11.5 GWA-12S0.099 j GWA-16S2 GWA-17S14 MW-11.07 MW-30.11 MW-40.295 j MW-60.23 j MW-104S0.081 j,B MW-200S2.99 MW-204S14.7 OB-41.07 OB-50.131 j AB-8S*15.8 GWA-19SA50.1 GWA-21S20.6 GWA-23S5.4 MW-20.17 j MW-103S51 GWA-18S20.6 GWA-18SA39.4 GWA-19S40 GWA-20SA20 GWA-22S0.97 GWA-26S0.2 GWA-27S65.2 GWA-30S0.91 GWA-31S0.26 GWA-32S60.9 GWA-9S0.71 GWA-3S2.5 MW-5ND MW-202SND MW-203SND AB-6SL*ND MW-7ND AB-2SNS GWA-24SNS BG-1SNS OB-1NS MW-102SNS MW-101SNS NOTES:THE INTERIM MAXIMUM ALLOWABLE CONCENTRATION (IMAC) FOR COBALT IS 1 μg/L. PROVISIONAL BACKGROUND THRESHOLD VALUE IS 0.509 µg/L. * ASH PORE WATER WELL DISPLAYED IN THE SHALLOW GROUNDWATER UNIT FORUSE IN CONTOURING. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. † CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC PBTV BUT WITHIN THEBACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGICSETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENTMIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THEASH BASIN. CONCENTRATIONS REPORTED ON FIGURE REPRESENT MOST RECENT VALIDSAMPLE RESULTS FOR EACH WELL. DATA WITH HIGH TURBIDITY (>10 NTU) ORRESULTS THAT INDICATE GROUT CONTAMINATION OF THE WELL (PH>9) HAVE BEENREMOVED FROM DATASET. COLLECTION DATES DEPICTED ON FIGURE RANGE FROMMAY 2010 TO MAY 2017. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON AUGUST 2, 2017.AERIAL WAS COLLECTED ON APRIL 8, 2017. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83/2011). FIGURE 10-32ISOCONCENTRATION MAPCOBALT IN SHALLOW GROUNDWATERBELEWS CREEK STEAM STATIONDUKE ENERGY CAROLINAS, LLCBELEWS CREEK, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: S. SPINNERCHECKED BY: A. ALBERT DATE: 10/18/2017 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Belews Creek Steam Station\MapDocs\CSA_Supplement_2\Belews - Isoconcentration Maps.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET &<DOWNGRADIENT MONITORING WELL &<BACKGROUND MONITORING WELL &<ABANDONED MONITORING WELL WATER SUPPLY WELL ASH BASIN WASTE BOUNDARY <STREAM (AMEC NRTR 2015) DESIGNATED EFFLUENT CHANNEL ASH BASIN COMPLIANCE BOUNDARY LANDFILL BOUNDARY STRUCTURAL FILL BOUNDARY LANDFILL COMPLIANCE BOUNDARY DUKE ENERGY CAROLINAS BELEWS CREEK PLANTSITE BOUNDARY LEGEND NOT DETECTED ABOVE REPORTING LIMITND TOTAL COBALT CONCENTRATION (μg/L)1 NOT SAMPLEDNS IMAC CONTOUR PBTV CONTOUR INTERMEDIATE CONTOUR <<<<<<<<< <<<<<<<<<<<<<<<&<&< &< &< &< &< &< &< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &<&< ASH BASIN PINE HALLROAD LANDFILL STRUCTURALFILL BELEWS RESERVOIR M A R T IN L U T H E R K IN G J R R D OLD PLANTATION RD MIDDLETON LOOPP IN E H A L L R D 1.61 .6 80AB-1D34.8 AB-3D2.2 AB-4D0.2 AB-5D0.054 AB-6D0.084 AB-7D0.11AB-8D0.45 AB-9D0.33 BG-1D0.2 BG-2D0.024 j BG-3D0.063 j GWA-1D5 GWA-2D0.35 GWA-3D0.16 GWA-4D0.87 GWA-5D0.26 GWA-6D0.42 GWA-7D0.072 j GWA-8D0.12 GWA-9D1.6 GWA-10DA1 GWA-11D2.8 GWA-12D0.17 GWA-16DA1.2 GWA-17D0.19 MW-103D85.6 MW-104D0.14 MW-204D9.01 MW2-70.41 j MW2-90.822 jOB-90.445 j AB-2D84 GWA-30D0.21 GWA-31D0.044 j GWA-32D0.019 j GWA-18D0.44 GWA-20D3.4 GWA-21D1.5 GWA-23D37.3 GWA-24D0.066 j GWA-26D0.34 GWA-27D15.4 MW-200DND MW-201DND MW-202DND MW-203DND GWA-16DNS GWA-19DNS GWA-22DNS MW2-2NS MW2-3NS MW2-4NS MW2-5NS MW2-1NS SFMW-1DNS SFMW-2DNS SFMW-3DNS SFMW-4DNS SFMW-5DNS MW-101DNS MW-102DNS NOTES:THE INTERIM MAXIMUM ALLOWABLE CONCENTRATION (IMAC) FOR COBALT IS 1 μg/L. PROVISIONAL BACKGROUND THRESHOLD VALUE IS 1.6 µg/L. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. † CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC PBTV BUT WITHIN THEBACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGICSETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENTMIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THEASH BASIN. CONCENTRATIONS REPORTED ON FIGURE REPRESENT MOST RECENT VALIDSAMPLE RESULTS FOR EACH WELL. DATA WITH HIGH TURBIDITY (>10 NTU) ORRESULTS THAT INDICATE GROUT CONTAMINATION OF THE WELL (PH>9) HAVE BEENREMOVED FROM DATASET. COLLECTION DATES DEPICTED ON FIGURE RANGE FROMMAY 2010 TO MAY 2017. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON AUGUST 2, 2017.AERIAL WAS COLLECTED ON APRIL 8, 2017. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83/2011). FIGURE 10-33ISOCONCENTRATION MAPCOBALT IN DEEP GROUNDWATERBELEWS CREEK STEAM STATIONDUKE ENERGY CAROLINAS, LLCBELEWS CREEK, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: S. SPINNERCHECKED BY: A. ALBERT DATE: 10/18/2017 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Belews Creek Steam Station\MapDocs\CSA_Supplement_2\Belews - Isoconcentration Maps.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET &<DOWNGRADIENT MONITORING WELL &<BACKGROUND MONITORING WELL &<ABANDONED MONITORING WELL WATER SUPPLY WELL ASH BASIN WASTE BOUNDARY <STREAM (AMEC NRTR 2015) DESIGNATED EFFLUENT CHANNEL ASH BASIN COMPLIANCE BOUNDARY LANDFILL BOUNDARY STRUCTURAL FILL BOUNDARY LANDFILL COMPLIANCE BOUNDARY DUKE ENERGY CAROLINAS BELEWS CREEK PLANTSITE BOUNDARY LEGEND NOT DETECTED ABOVE REPORTING LIMITND TOTAL COBALT CONCENTRATION (μg/L)1 NOT SAMPLEDNS IMAC CONTOUR PBTV CONTOUR INTERMEDIATE CONTOUR <<<<<<<<< <<<<<<<<<<<<<<<&< &< &< &< &< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< ASH BASIN PINE HALLROAD LANDFILL STRUCTURALFILL BELEWS RESERVOIR M A R T IN L U T H E R K IN G J R R DOLD PL ANT AT I ON RDMIDDLETON LOOPPINE HALL RDBG-2BRA†0.76 GWA-12BR0.082 j MW-200BR0.045 j MW-202BR0.064 j MW-203BR0.1 AB-4BR0.034 j AB-9BR0.44 MW-201BR0.02 j GWA-9BR0.38 GWA-24BR0.061 j BC-10070.25 BC2 Well 2†0.79 BC2019-RAW0.13 BC2021-RAW0.1 BC2026-RAW0.21 MW-1DND BC2 Well 1ND BC4 Well ANDBC4 Well BND BC1ND BC10ND BC13ND BC14ND BC15ND BC17ND BC18ND BC19ND BC24ND BC33ND BC34ND BC35ND BC5ND BC6ND BC8R2ND BC9ND BC2000-RAWND BC2004-RAWND BC-1000ND BC-1001ND BC-1002ND BC-1003ND BC-1004ND BC-1005ND BC-1006ND BC20ND BC25ND BC26ND BC30ND BC31ND BC7ND BC8ND GWA-25BRNS MW-104BRNS AB-1BRNS AB-4BRDNS AB-9BRDNS GWA-5BRNS GWA-16BRNS GWA-20BRNS GWA-26BRNS GWA-27BRNSGWA-19BRNS NOTES:THE INTERIM MAXIMUM ALLOWABLE CONCENTRATION (IMAC) FOR COBALT IS 1 μg/L. PROVISIONAL BACKGROUND THRESHOLD VALUE IS 0.76 µg/L. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. † CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC PBTV BUT WITHIN THEBACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGICSETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENTMIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THEASH BASIN. CONCENTRATIONS REPORTED ON FIGURE REPRESENT MOST RECENT VALIDSAMPLE RESULTS FOR EACH WELL. DATA WITH HIGH TURBIDITY (>10 NTU) ORRESULTS THAT INDICATE GROUT CONTAMINATION OF THE WELL (PH>9) HAVE BEENREMOVED FROM DATASET. COLLECTION DATES DEPICTED ON FIGURE RANGE FROMMAY 2010 TO MAY 2017. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON AUGUST 2, 2017.AERIAL WAS COLLECTED ON APRIL 8, 2017. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83/2011). WATER SUPPLY WELL SAMPLED BY NCDEQ BETWEEN FEBRUARY 2015 AND APRIL2017. FIGURE 10-34ISOCONCENTRATION MAPCOBALT IN BEDROCK GROUNDWATERBELEWS CREEK STEAM STATIONDUKE ENERGY CAROLINAS, LLCBELEWS CREEK, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: S. SPINNERCHECKED BY: A. ALBERT DATE: 10/18/2017 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Belews Creek Steam Station\MapDocs\CSA_Supplement_2\Belews - Isoconcentration Maps.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET &<DOWNGRADIENT MONITORING WELL &<BACKGROUND MONITORING WELL &<ABANDONED MONITORING WELL WATER SUPPLY WELL ASH BASIN WASTE BOUNDARY <STREAM (AMEC NRTR 2015) DESIGNATED EFFLUENT CHANNEL ASH BASIN COMPLIANCE BOUNDARY LANDFILL BOUNDARY STRUCTURAL FILL BOUNDARY LANDFILL COMPLIANCE BOUNDARY DUKE ENERGY CAROLINAS BELEWS CREEK PLANTSITE BOUNDARY LEGEND NOT DETECTED ABOVE REPORTING LIMITND TOTAL COBALT CONCENTRATION (μg/L)1 NOT SAMPLEDNS IMAC CONTOUR PBTV CONTOUR INTERMEDIATE CONTOUR <<<<<<<<< <<<<<<<<<<<<<<<&<&< &<&< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &<&< &< &< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &<&< ASH BASIN PINE HALLROAD LANDFILL STRUCTURALFILL BELEWS RESERVOIR M A R T IN L U T H E R K IN G J R R D OLD PLANTATION RD M I D D L E T O N L O O P PINE HALL RD75080000AB-1S211 AB-3S1090 AB-4S*12200 AB-4SL*181 AB-5S*400 AB-6S*225 AB-7S*10300AB-8SL*34800 AB-9S0.292 BG-2S467 BG-3S666 GWA-1S1230 GWA-2S621 GWA-5S292 GWA-6S467 GWA-7SA287 GWA-8S132 GWA-10S91.7 GWA-11S348 GWA-12S50.8 GWA-17S579 MW-1415 MW-3105 MW-4564 MW-5354 MW-649.5 MW-104S151 MW-200S211 MW-202S279 MW-204S3680 OB-428.2 OB-5199 AB-6SL*4850 AB-8S*1260 GWA-19SA420 GWA-23S399MW-2311 MW-7265 MW-103S88300 GWA-18S1400 GWA-18SA218 GWA-19S225 GWA-20SA435 GWA-22S129 GWA-26S105 GWA-27S550 GWA-30S28.9 j GWA-31S562 GWA-32S38400 GWA-9S374 GWA-3S1240 AB-5SL*ND GWA-16SND MW-203SND GWA-21SND AB-2SNS GWA-24SNS BG-1SNS OB-1NS MW-102SNS MW-101SNS NOTES:THE NORTH CAROLINA 2L FOR IRON IS 300 μg/L. PROVISIONAL BACKGROUND THRESHOLD VALUE IS 750 µg/L. * ASH PORE WATER WELL DISPLAYED IN THE SHALLOW GROUNDWATER UNIT FORUSE IN CONTOURING. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. † CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC PBTV BUT WITHIN THEBACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGICSETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENTMIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THEASH BASIN. CONCENTRATIONS REPORTED ON FIGURE REPRESENT MOST RECENT VALIDSAMPLE RESULTS FOR EACH WELL. DATA WITH HIGH TURBIDITY (>10 NTU) ORRESULTS THAT INDICATE GROUT CONTAMINATION OF THE WELL (PH>9) HAVE BEENREMOVED FROM DATASET. COLLECTION DATES DEPICTED ON FIGURE RANGE FROMMAY 2010 TO MAY 2017. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON AUGUST 2, 2017.AERIAL WAS COLLECTED ON APRIL 8, 2017. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83/2011). FIGURE 10-35ISOCONCENTRATION MAPIRON IN SHALLOW GROUNDWATERBELEWS CREEK STEAM STATIONDUKE ENERGY CAROLINAS, LLCBELEWS CREEK, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: S. SPINNERCHECKED BY: A. ALBERT DATE: 10/18/2017 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Belews Creek Steam Station\MapDocs\CSA_Supplement_2\Belews - Isoconcentration Maps.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET &<DOWNGRADIENT MONITORING WELL &<BACKGROUND MONITORING WELL &<ABANDONED MONITORING WELL WATER SUPPLY WELL ASH BASIN WASTE BOUNDARY <STREAM (AMEC NRTR 2015) DESIGNATED EFFLUENT CHANNEL ASH BASIN COMPLIANCE BOUNDARY LANDFILL BOUNDARY STRUCTURAL FILL BOUNDARY LANDFILL COMPLIANCE BOUNDARY DUKE ENERGY CAROLINAS BELEWS CREEK PLANTSITE BOUNDARY LEGEND NOT DETECTED ABOVE REPORTING LIMITND TOTAL IRON CONCENTRATION (μg/L)1 NOT SAMPLEDNS NORTH CAROLINA 2L CONTOUR PBTV CONTOUR INTERMEDIATE CONTOUR <<<<<<<<< <<<<<<<<<<<<<<<&<&< &< &< &< &< &< &< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< ASH BASIN PINE HALLROAD LANDFILL STRUCTURALFILL BELEWS RESERVOIR M A R T IN L U T H E R K IN G J R R D OLD PLANTATION RD MIDDLETON LOOPP IN E H A L L R D 2 4 0 2 4 0 240240240 300 3002403 0 0 3 0 03000AB-1D251 AB-3D678 AB-7D121 AB-9D39.4 BG-1D226 BG-2D52.2 BG-3D99.4 GWA-1D246 GWA-2D39.5 j GWA-3D179 GWA-5D72 GWA-6D752 GWA-7D35.6 j GWA-8D861 GWA-9D161 GWA-10DA437 GWA-11D3270 GWA-12D140 GWA-16DA2100 GWA-17D2100 MW-101D11.7 MW-103D977 MW-104D264 MW-200D28 MW-201D175 MW-202D†434 MW-203D166 MW-204D83 MW2-736 MW2-91630 AB-2D1280 GWA-31D814 GWA-32D2070 GWA-18D38.6 j GWA-20D64.6 GWA-23D306 GWA-24D30.7 j GWA-26D165 GWA-27D214 AB-4DND AB-5DND AB-6DND AB-8DND GWA-4DND OB-9ND GWA-30DND GWA-21DND MW2-2NS MW2-3NS MW2-4NS MW2-5NS GWA-16DNS GWA-19DNS GWA-22DNS MW2-1NS SFMW-1DNS SFMW-2DNS SFMW-3DNS SFMW-4DNS SFMW-5DNS MW-102DNS NOTES:THE NORTH CAROLINA 2L FOR IRON IS 300 μg/L. PROVISIONAL BACKGROUND THRESHOLD VALUE IS 240 µg/L. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. † CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC PBTV BUT WITHIN THEBACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGICSETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENTMIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THEASH BASIN. CONCENTRATIONS REPORTED ON FIGURE REPRESENT MOST RECENT VALIDSAMPLE RESULTS FOR EACH WELL. DATA WITH HIGH TURBIDITY (>10 NTU) ORRESULTS THAT INDICATE GROUT CONTAMINATION OF THE WELL (PH>9) HAVE BEENREMOVED FROM DATASET. COLLECTION DATES DEPICTED ON FIGURE RANGE FROMMAY 2010 TO MAY 2017. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON AUGUST 2, 2017.AERIAL WAS COLLECTED ON APRIL 8, 2017. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83/2011). FIGURE 10-36ISOCONCENTRATION MAPIRON IN DEEP GROUNDWATERBELEWS CREEK STEAM STATIONDUKE ENERGY CAROLINAS, LLCBELEWS CREEK, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: S. SPINNERCHECKED BY: A. ALBERT DATE: 10/18/2017 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Belews Creek Steam Station\MapDocs\CSA_Supplement_2\Belews - Isoconcentration Maps.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET &<DOWNGRADIENT MONITORING WELL &<BACKGROUND MONITORING WELL &<ABANDONED MONITORING WELL WATER SUPPLY WELL ASH BASIN WASTE BOUNDARY <STREAM (AMEC NRTR 2015) DESIGNATED EFFLUENT CHANNEL ASH BASIN COMPLIANCE BOUNDARY LANDFILL BOUNDARY STRUCTURAL FILL BOUNDARY LANDFILL COMPLIANCE BOUNDARY DUKE ENERGY CAROLINAS BELEWS CREEK PLANTSITE BOUNDARY LEGEND NOT DETECTED ABOVE REPORTING LIMITND TOTAL IRON CONCENTRATION (μg/L)1 NOT SAMPLEDNS NORTH CAROLINA 2L CONTOUR PBTV CONTOUR INTERMEDIATE CONTOUR <<<<<<<<< <<<<<<<<<<<<<<<&< &< &< &< &< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< ASH BASIN PINE HALLROAD LANDFILL STRUCTURALFILL BELEWS RESERVOIR M A R T IN L U T H E R K IN G J R R DOLD PL ANT AT I ON RDMIDDLETON LOOPPINE HALL RD228300BG-2BRA†228 GWA-12BR190 MW-1D1.91 j MW-200BR217 MW-202BR27.2 j MW-203BR75.8 AB-4BR39 j AB-9BR368 MW-201BR76.8 GWA-9BR68 GWA-24BR199 BC-1007†1810 BC2 Well 1†1240BC2 Well 2†1070 BC2019-RAW†2140 BC1†261 BC1056.8 BC33†269 BC35†365 BC6†290 BC9140 BC2000-RAW†743 BC2021-RAW†321 BC2026-RAW217 BC31110 BC4 Well ANDBC4 Well BND BC13ND BC14ND BC15ND BC17ND BC18ND BC19ND BC24ND BC34ND BC5ND BC8R2ND BC2004-RAWND BC-1000ND BC-1001ND BC-1002ND BC-1003NDBC-1004ND BC-1005ND BC-1006ND BC20ND BC25ND BC26ND BC30ND BC7ND BC8ND GWA-25BRNS MW-104BRNS AB-1BRNS AB-4BRDNS AB-9BRDNS GWA-5BRNS GWA-16BRNS GWA-20BRNS GWA-26BRNS GWA-27BRNSGWA-19BRNS NOTES:THE NORTH CAROLINA 2L FOR IRON IS 300 μg/L. PROVISIONAL BACKGROUND THRESHOLD VALUE IS 228 µg/L. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. † CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC PBTV BUT WITHIN THEBACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGICSETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENTMIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THEASH BASIN. CONCENTRATIONS REPORTED ON FIGURE REPRESENT MOST RECENT VALIDSAMPLE RESULTS FOR EACH WELL. DATA WITH HIGH TURBIDITY (>10 NTU) ORRESULTS THAT INDICATE GROUT CONTAMINATION OF THE WELL (PH>9) HAVE BEENREMOVED FROM DATASET. COLLECTION DATES DEPICTED ON FIGURE RANGE FROMMAY 2010 TO MAY 2017. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON AUGUST 2, 2017.AERIAL WAS COLLECTED ON APRIL 8, 2017. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83/2011). WATER SUPPLY WELL SAMPLED BY NCDEQ BETWEEN FEBRUARY 2015 AND APRIL2017. FIGURE 10-37ISOCONCENTRATION MAPIRON IN BEDROCK GROUNDWATERBELEWS CREEK STEAM STATIONDUKE ENERGY CAROLINAS, LLCBELEWS CREEK, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: S. SPINNERCHECKED BY: A. ALBERT DATE: 10/18/2017 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Belews Creek Steam Station\MapDocs\CSA_Supplement_2\Belews - Isoconcentration Maps.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET &<DOWNGRADIENT MONITORING WELL &<BACKGROUND MONITORING WELL &<ABANDONED MONITORING WELL WATER SUPPLY WELL ASH BASIN WASTE BOUNDARY <STREAM (AMEC NRTR 2015) DESIGNATED EFFLUENT CHANNEL ASH BASIN COMPLIANCE BOUNDARY LANDFILL BOUNDARY STRUCTURAL FILL BOUNDARY LANDFILL COMPLIANCE BOUNDARY DUKE ENERGY CAROLINAS BELEWS CREEK PLANTSITE BOUNDARY LEGEND NOT DETECTED ABOVE REPORTING LIMITND TOTAL IRON CONCENTRATION (μg/L)1 NOT SAMPLEDNS NORTH CAROLINA 2L CONTOUR PBTV CONTOUR INTERMEDIATE CONTOUR <<<<<<<<< <<<<<<<<<<<<<<<&<&< &<&< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &<&< &< &< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &<&< ASH BASIN PINE HALLROAD LANDFILL STRUCTURALFILL BELEWS RESERVOIR M A R T IN L U T H E R K IN G J R R D OLD PLANTATION RD MIDDLETON LOOPP I N E H A L L R D 27.9 27.927.950 5 0 5 0 10000AB-1S2150 AB-3S4230 AB-4S*1440 AB-5S*62.7 AB-6S*3.3 AB-7S*2040 AB-8SL*848 AB-9S495 BG-2S11.8 BG-3S18.5 GWA-1S187 GWA-2S18.3 GWA-5S84.9 GWA-6S318 GWA-7SA246 GWA-8S91.5 GWA-10S1370 GWA-11S173 GWA-12S19.1 GWA-16S61.8 GWA-17S207 MW-131.7 MW-34.3 j MW-49.16 MW-510 MW-61.91 j MW-104S7.2 MW-200S261 MW-203S5 MW-204S510 OB-481.7 OB-521.3 AB-6SL*267 AB-8S*84.6 GWA-19SA2120 GWA-21S236 GWA-23S131MW-213.7 MW-759.2 MW-103S8480 GWA-18S2550 GWA-18SA2410 GWA-19S1240 GWA-20SA5640 GWA-22S137 GWA-26S60.4 GWA-27S2370 GWA-30S29.8 GWA-31S13.2 GWA-32S11100 GWA-9S19.6 GWA-3S119 AB-4SL*ND AB-5SL*ND MW-202SND AB-2SNS GWA-24SNS BG-1SNS OB-1NS MW-102SNS MW-101SNS NOTES:THE NORTH CAROLINA 2L FOR MANGANESE IS 50 μg/L. PROVISIONAL BACKGROUND THRESHOLD VALUE IS 27.9 µg/L. * ASH PORE WATER WELL DISPLAYED IN THE SHALLOW GROUNDWATER UNIT FORUSE IN CONTOURING. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. † CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC PBTV BUT WITHIN THEBACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGICSETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENTMIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THEASH BASIN. CONCENTRATIONS REPORTED ON FIGURE REPRESENT MOST RECENT VALIDSAMPLE RESULTS FOR EACH WELL. DATA WITH HIGH TURBIDITY (>10 NTU) ORRESULTS THAT INDICATE GROUT CONTAMINATION OF THE WELL (PH>9) HAVE BEENREMOVED FROM DATASET. COLLECTION DATES DEPICTED ON FIGURE RANGE FROMMAY 2010 TO MAY 2017. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON AUGUST 2, 2017.AERIAL WAS COLLECTED ON APRIL 8, 2017. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83/2011). FIGURE 10-38ISOCONCENTRATION MAPMANGANESE IN SHALLOW GROUNDWATERBELEWS CREEK STEAM STATIONDUKE ENERGY CAROLINAS, LLCBELEWS CREEK, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: S. SPINNERCHECKED BY: A. ALBERT DATE: 10/18/2017 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Belews Creek Steam Station\MapDocs\CSA_Supplement_2\Belews - Isoconcentration Maps.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET &<DOWNGRADIENT MONITORING WELL &<BACKGROUND MONITORING WELL &<ABANDONED MONITORING WELL WATER SUPPLY WELL ASH BASIN WASTE BOUNDARY <STREAM (AMEC NRTR 2015) DESIGNATED EFFLUENT CHANNEL ASH BASIN COMPLIANCE BOUNDARY LANDFILL BOUNDARY STRUCTURAL FILL BOUNDARY LANDFILL COMPLIANCE BOUNDARY DUKE ENERGY CAROLINAS BELEWS CREEK PLANTSITE BOUNDARY LEGEND NOT DETECTED ABOVE REPORTING LIMITND TOTAL MANGANESE CONCENTRATION (μg/L)1 NOT SAMPLEDNS NORTH CAROLINA 2L CONTOUR PBTV CONTOUR INTERMEDIATE CONTOUR <<<<<<<<< <<<<<<<<<<<<<<<&<&< &< &< &< &< &< &< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< ASH BASIN PINE HALLROAD LANDFILL STRUCTURALFILL BELEWS RESERVOIR M A R T IN L U T H E R K IN G J R R D OLD PLANTATION RD MIDDLETON LOOPP IN E H A L L R D 13 13 505 0 10001000 AB-1D2080 AB-3D172 AB-4D294 AB-5D3.7 AB-6D0.007 AB-7D26 AB-8D39.9 AB-9D84 BG-1D†13.2 BG-2D2.7 j BG-3D3.8 j GWA-1D23.9 GWA-2D34.9 GWA-3D7.8 GWA-4D12.8 GWA-5D259 GWA-6D393 GWA-7D2700 j GWA-8D53 GWA-9D17.2 GWA-10DA29.2 GWA-11D176 GWA-12D27.4 GWA-16DA52.4 GWA-17D56.4 MW-101D7580 MW-103D8140 MW-104D22.5 MW-200D11 MW-201D5 MW-202D5 MW-203D5 MW-204D55 MW2-7435 MW2-9162 OB-91840 AB-2D11600 GWA-30D86.6 GWA-31D40.8 GWA-32D354 GWA-18D44.2 GWA-20D2290 GWA-21D53 GWA-23D149 GWA-24D10.5 GWA-26D124 GWA-27D2080 MW2-2NS MW2-3NS MW2-4NS MW2-5NS GWA-16DNS GWA-19DNS GWA-22DNS MW2-1NS SFMW-1DNS SFMW-2DNS SFMW-3DNS SFMW-4DNS SFMW-5DNS MW-102DNS NOTES:THE NORTH CAROLINA 2L FOR MANGANESE IS 50 μg/L. PROVISIONAL BACKGROUND THRESHOLD VALUE IS 13 µg/L. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. † CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC PBTV BUT WITHIN THEBACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGICSETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENTMIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THEASH BASIN. CONCENTRATIONS REPORTED ON FIGURE REPRESENT MOST RECENT VALIDSAMPLE RESULTS FOR EACH WELL. DATA WITH HIGH TURBIDITY (>10 NTU) ORRESULTS THAT INDICATE GROUT CONTAMINATION OF THE WELL (PH>9) HAVE BEENREMOVED FROM DATASET. COLLECTION DATES DEPICTED ON FIGURE RANGE FROMMAY 2010 TO MAY 2017. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON AUGUST 2, 2017.AERIAL WAS COLLECTED ON APRIL 8, 2017. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83/2011). FIGURE 10-39ISOCONCENTRATION MAPMANGANESE IN DEEP GROUNDWATERBELEWS CREEK STEAM STATIONDUKE ENERGY CAROLINAS, LLCBELEWS CREEK, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: S. SPINNERCHECKED BY: A. ALBERT DATE: 10/18/2017 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Belews Creek Steam Station\MapDocs\CSA_Supplement_2\Belews - Isoconcentration Maps.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET &<DOWNGRADIENT MONITORING WELL &<BACKGROUND MONITORING WELL &<ABANDONED MONITORING WELL WATER SUPPLY WELL ASH BASIN WASTE BOUNDARY <STREAM (AMEC NRTR 2015) DESIGNATED EFFLUENT CHANNEL ASH BASIN COMPLIANCE BOUNDARY LANDFILL BOUNDARY STRUCTURAL FILL BOUNDARY LANDFILL COMPLIANCE BOUNDARY DUKE ENERGY CAROLINAS BELEWS CREEK PLANTSITE BOUNDARY LEGEND NOT DETECTED ABOVE REPORTING LIMITND TOTAL MANGANESE CONCENTRATION (μg/L)1 NOT SAMPLEDNS NORTH CAROLINA 2L CONTOUR PBTV CONTOUR INTERMEDIATE CONTOUR <<<<<<<<< <<<<<<<<<<<<<<<&< &< &< &< &< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< ASH BASIN PINE HALLROAD LANDFILL STRUCTURALFILL BELEWS RESERVOIR M A R T IN L U T H E R K IN G J R R D OLD PLANTATION RD M I D D L E T O N L O O P PINE HALL RD9.99.9 5050BG-2BRA†87.1 GWA-12BR56.6 MW-1D1.73 j MW-200BR126 MW-202BR4.6 j MW-203BR3.9 j AB-4BR11.8 AB-9BR415 MW-201BR38.3 GWA-9BR375 GWA-24BR10.1 BC-1007†17.6 BC2019-RAW†16 BC2000-RAW8.7 BC2004-RAW7.5 BC2021-RAW†34.7 BC2026-RAW†17.5 BC-10009.2 BC-10010.74 BC-10021.8 BC-10042.8 BC-1005†65.1 BC-10066.1 BC203.6 BC251.4 BC262.1 BC300.7 BC31†102 BC77 BC81.4 BC4 Well BND BC2 Well 1ND BC2 Well 2ND BC4 Well AND BC1ND BC10ND BC13ND BC14ND BC15ND BC17ND BC18ND BC19ND BC24ND BC33ND BC34ND BC35ND BC5ND BC6ND BC8R2ND BC9ND BC-1003ND GWA-25BRNS MW-104BRNS AB-1BRNS AB-4BRDNS AB-9BRDNS GWA-5BRNS GWA-16BRNS GWA-20BRNS GWA-26BRNS GWA-27BRNSGWA-19BRNS NOTES:THE NORTH CAROLINA 2L FOR MANGANESE IS 50 μg/L. PROVISIONAL BACKGROUND THRESHOLD VALUE IS 9.9 µg/L. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. † CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC PBTV BUT WITHIN THEBACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGICSETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENTMIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THEASH BASIN. CONCENTRATIONS REPORTED ON FIGURE REPRESENT MOST RECENT VALIDSAMPLE RESULTS FOR EACH WELL. DATA WITH HIGH TURBIDITY (>10 NTU) ORRESULTS THAT INDICATE GROUT CONTAMINATION OF THE WELL (PH>9) HAVE BEENREMOVED FROM DATASET. COLLECTION DATES DEPICTED ON FIGURE RANGE FROMMAY 2010 TO MAY 2017. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON AUGUST 2, 2017.AERIAL WAS COLLECTED ON APRIL 8, 2017. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83/2011). WATER SUPPLY WELL SAMPLED BY NCDEQ BETWEEN FEBRUARY 2015 AND APRIL2017. FIGURE 10-40ISOCONCENTRATION MAPMANGANESE IN BEDROCK GROUNDWATERBELEWS CREEK STEAM STATIONDUKE ENERGY CAROLINAS, LLCBELEWS CREEK, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: S. SPINNERCHECKED BY: A. ALBERT DATE: 10/18/2017 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Belews Creek Steam Station\MapDocs\CSA_Supplement_2\Belews - Isoconcentration Maps.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET &<DOWNGRADIENT MONITORING WELL &<BACKGROUND MONITORING WELL &<ABANDONED MONITORING WELL WATER SUPPLY WELL ASH BASIN WASTE BOUNDARY <STREAM (AMEC NRTR 2015) DESIGNATED EFFLUENT CHANNEL ASH BASIN COMPLIANCE BOUNDARY LANDFILL BOUNDARY STRUCTURAL FILL BOUNDARY LANDFILL COMPLIANCE BOUNDARY DUKE ENERGY CAROLINAS BELEWS CREEK PLANTSITE BOUNDARY LEGEND NOT DETECTED ABOVE REPORTING LIMITND TOTAL MANGANESE CONCENTRATION (μg/L)1 NOT SAMPLEDNS NORTH CAROLINA 2L CONTOUR PBTV CONTOUR INTERMEDIATE CONTOUR <<<<<<<<< <<<<<<<<<<<<<<<&<&< &<&< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &<&< ASH BASIN PINE HALLROAD LANDFILL STRUCTURALFILL BELEWS RESERVOIR M A R T IN L U T H E R K IN G J R R D OLD PLANTATION RD MIDDLETON LOOPP I N E H A L L R D 1 1 3000AB-1S0.22 AB-3S5.6 AB-4S*16.1 AB-4SL*3460 AB-5S*26.6 AB-5SL*364 AB-6S*3 AB-7S*0.93AB-8SL*174 BG-2S0.18 j,B GWA-1S6.2 GWA-6S0.15 j GWA-11S0.28 j GWA-12S0.12 j GWA-17S0.29 j AB-6SL*0.93 AB-8S*5.3 GWA-23S0.58 MW-103S0.23 j GWA-18S0.45 j GWA-18SA0.2 j GWA-20SA0.24 j GWA-22S0.57 GWA-27S0.15 j GWA-32S0.94 GWA-9S0.12 j GWA-3S6.5 AB-9SND BG-3SND GWA-2SND GWA-5SND GWA-7SAND GWA-8SND GWA-10SND GWA-16SND MW-3ND MW-104SND MW-200SND MW-202SND MW-203SND MW-204SND GWA-19SAND GWA-21SNDGWA-19SND GWA-26SND GWA-30SND GWA-31SND AB-2SNS GWA-24SNS BG-1SNS MW-1NS MW-4NS MW-5NS MW-6NS OB-4NS OB-5NS MW-2NS MW-7NS OB-1NS MW-102SNS MW-101SNS NOTES:NO NORTH CAROLINA 2L OR INTERIM MAXIMUM ALLOWABLE CONCENTRATIONESTABLISHED FOR MOLYBDENUM. PROVISIONAL BACKGROUND THRESHOLD VALUE IS 1 μg/L. * ASH PORE WATER WELL DISPLAYED IN THE SHALLOW GROUNDWATER UNIT FORUSE IN CONTOURING. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. † CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC PBTV BUT WITHIN THEBACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGICSETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENTMIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THEASH BASIN. CONCENTRATIONS REPORTED ON FIGURE REPRESENT MOST RECENT VALIDSAMPLE RESULTS FOR EACH WELL. DATA WITH HIGH TURBIDITY (>10 NTU) ORRESULTS THAT INDICATE GROUT CONTAMINATION OF THE WELL (PH>9) HAVE BEENREMOVED FROM DATASET. COLLECTION DATES DEPICTED ON FIGURE RANGE FROMMAY 2010 TO MAY 2017. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON AUGUST 2, 2017.AERIAL WAS COLLECTED ON APRIL 8, 2017. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83/2011). FIGURE 10-41ISOCONCENTRATION MAPMOLYBDENUM IN SHALLOW GROUNDWATERBELEWS CREEK STEAM STATIONDUKE ENERGY CAROLINAS, LLCBELEWS CREEK, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: S. SPINNERCHECKED BY: A. ALBERT DATE: 10/18/2017 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Belews Creek Steam Station\MapDocs\CSA_Supplement_2\Belews - Isoconcentration Maps.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET &<DOWNGRADIENT MONITORING WELL &<BACKGROUND MONITORING WELL &<ABANDONED MONITORING WELL WATER SUPPLY WELL ASH BASIN WASTE BOUNDARY <STREAM (AMEC NRTR 2015) DESIGNATED EFFLUENT CHANNEL ASH BASIN COMPLIANCE BOUNDARY LANDFILL BOUNDARY STRUCTURAL FILL BOUNDARY LANDFILL COMPLIANCE BOUNDARY DUKE ENERGY CAROLINAS BELEWS CREEK PLANTSITE BOUNDARY LEGEND NOT DETECTED ABOVE REPORTING LIMITND TOTAL MOLYBDENUM CONCENTRATION (μg/L)1 NOT SAMPLEDNS STANDARD CONTOUR PBTV CONTOUR INTERMEDIATE CONTOUR <<<<<<<<< <<<<<<<<<<<<<<<&<&< &< &< &< &< &< &< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &<&< &< &< &< &< &< &< &< &< &<&< ASH BASIN PINE HALLROAD LANDFILL STRUCTURALFILL BELEWS RESERVOIR M A R T IN L U T H E R K IN G J R R D OLD PLANTATION RD MIDDLETON LOOPPINE HALL RD1.3 1 .3 AB-1D0.47 AB-3D6.8 AB-4D0.009 AB-5D2.4 AB-6D1.2 AB-7D1.9AB-8D0.26 AB-9D2.2 BG-1D0.29 j BG-2D0.57 GWA-1D1.6 GWA-2D0.64 GWA-4D0.16 j GWA-5D1.3 GWA-6D7.2 GWA-7D1.8 GWA-8D3.6 GWA-9D2.3 GWA-10DA1.9 GWA-11D0.58 GWA-12D0.44 j GWA-16DA2.4 GWA-17D0.30 j MW-104D2.5MW-203D1.4 AB-2D0.73 GWA-30D10.6 GWA-31D0.33 j GWA-32D0.27 j GWA-18D0.9 GWA-20D0.39 j GWA-23D19.4 GWA-24D0.20 j GWA-26D1.1 GWA-27D1.2 j BG-3DND GWA-3DND MW-103DND MW-200DND MW-201DND MW-202DND MW-204DND GWA-21DND GWA-16DNS GWA-19DNS GWA-22DNS MW2-2NS MW2-3NS MW2-4NS MW2-7NS MW2-9NSOB-9NS MW2-1NS SFMW-1DNS SFMW-2DNS SFMW-3DNS SFMW-4DNS SFMW-5DNS MW-101DNS MW-102DNS NOTES:NO NORTH CAROLINA 2L OR INTERIM MAXIMUM ALLOWABLE CONCENTRATIONESTABLISHED FOR MOLYBDENUM. PROVISIONAL BACKGROUND THRESHOLD VALUE IS 1.3 μg/L. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. † CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC PBTV BUT WITHIN THEBACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGICSETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENTMIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THEASH BASIN. CONCENTRATIONS REPORTED ON FIGURE REPRESENT MOST RECENT VALIDSAMPLE RESULTS FOR EACH WELL. DATA WITH HIGH TURBIDITY (>10 NTU) ORRESULTS THAT INDICATE GROUT CONTAMINATION OF THE WELL (PH>9) HAVE BEENREMOVED FROM DATASET. COLLECTION DATES DEPICTED ON FIGURE RANGE FROMMAY 2010 TO MAY 2017. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON AUGUST 2, 2017.AERIAL WAS COLLECTED ON APRIL 8, 2017. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83/2011). FIGURE 10-42ISOCONCENTRATION MAPMOLYBDENUM IN DEEP GROUNDWATERBELEWS CREEK STEAM STATIONDUKE ENERGY CAROLINAS, LLCBELEWS CREEK, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: S. SPINNERCHECKED BY: A. ALBERT DATE: 10/18/2017 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Belews Creek Steam Station\MapDocs\CSA_Supplement_2\Belews - Isoconcentration Maps.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET &<DOWNGRADIENT MONITORING WELL &<BACKGROUND MONITORING WELL &<ABANDONED MONITORING WELL WATER SUPPLY WELL ASH BASIN WASTE BOUNDARY <STREAM (AMEC NRTR 2015) DESIGNATED EFFLUENT CHANNEL ASH BASIN COMPLIANCE BOUNDARY LANDFILL BOUNDARY STRUCTURAL FILL BOUNDARY LANDFILL COMPLIANCE BOUNDARY DUKE ENERGY CAROLINAS BELEWS CREEK PLANTSITE BOUNDARY LEGEND NOT DETECTED ABOVE REPORTING LIMITND TOTAL MOLYBDENUM CONCENTRATION (μg/L)1 NOT SAMPLEDNS STANDARD CONTOUR PBTV CONTOUR INTERMEDIATE CONTOUR <<<<<<<<< <<<<<<<<<<<<<<<&< &< &< &< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< ASH BASIN PINE HALLROAD LANDFILL STRUCTURALFILL BELEWS RESERVOIR M A R T IN L U T H E R K IN G J R R D OLD PLANTATION RD MIDDLETON LOOPPINE HALL RD3 .7 3.7 BG-2BRA1.4 GWA-12BR10.5 MW-200BR0.32 j MW-202BR0.81 MW-203BR2.3 AB-4BR5.9 AB-9BR2.2 MW-201BR12.5 GWA-9BR2.6 GWA-24BR3.4 BC-10071.8 BC2 Well 21.9 BC2019-RAW1.7 BC4 Well A†4.1 BC132.4 BC15†4.8 BC173.5 BC191.2 BC241.9 BC331.9 BC34†4.5 BC352.1 BC8R21 BC2000-RAW†10.6 BC2004-RAW0.58 BC2026-RAW1 BC-10000.88 BC-10010.56 BC-10051.4 BC20†20.2 BC250.68 BC26†4 BC30†10.5 BC311.3 BC81 BC2 Well 1ND BC4 Well BND BC1ND BC10ND BC14ND BC18ND BC5ND BC6ND BC9ND BC2021-RAWND BC-1002ND BC-1003ND BC-1004ND BC-1006ND BC7ND GWA-25BRNS MW-104BRNS AB-1BRNS AB-4BRDNS AB-9BRDNS GWA-5BRNS GWA-16BRNS GWA-20BRNS GWA-26BRNS GWA-27BRNSGWA-19BRNS NOTES:NO NORTH CAROLINA 2L OR INTERIM MAXIMUM ALLOWABLE CONCENTRATIONESTABLISHED FOR MOLYBDENUM. PROVISIONAL BACKGROUND THRESHOLD VALUE IS 3.7 μg/L. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. † CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC PBTV BUT WITHIN THEBACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGICSETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENTMIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THEASH BASIN. CONCENTRATIONS REPORTED ON FIGURE REPRESENT MOST RECENT VALIDSAMPLE RESULTS FOR EACH WELL. DATA WITH HIGH TURBIDITY (>10 NTU) ORRESULTS THAT INDICATE GROUT CONTAMINATION OF THE WELL (PH>9) HAVE BEENREMOVED FROM DATASET. COLLECTION DATES DEPICTED ON FIGURE RANGE FROMMAY 2010 TO MAY 2017. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON AUGUST 2, 2017.AERIAL WAS COLLECTED ON APRIL 8, 2017. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83/2011). WATER SUPPLY WELL SAMPLED BY NCDEQ BETWEEN FEBRUARY 2015 AND APRIL2017. FIGURE 10-43ISOCONCENTRATION MAPMOLYBDENUM IN BEDROCK GROUNDWATERBELEWS CREEK STEAM STATIONDUKE ENERGY CAROLINAS, LLCBELEWS CREEK, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: S. SPINNERCHECKED BY: A. ALBERT DATE: 10/18/2017 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Belews Creek Steam Station\MapDocs\CSA_Supplement_2\Belews - Isoconcentration Maps.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET &<DOWNGRADIENT MONITORING WELL &<BACKGROUND MONITORING WELL &<ABANDONED MONITORING WELL WATER SUPPLY WELL ASH BASIN WASTE BOUNDARY <STREAM (AMEC NRTR 2015) DESIGNATED EFFLUENT CHANNEL ASH BASIN COMPLIANCE BOUNDARY LANDFILL BOUNDARY STRUCTURAL FILL BOUNDARY LANDFILL COMPLIANCE BOUNDARY DUKE ENERGY CAROLINAS BELEWS CREEK PLANTSITE BOUNDARY LEGEND NOT DETECTED ABOVE REPORTING LIMITND TOTAL MOLYBDENUM CONCENTRATION (μg/L)1 NOT SAMPLEDNS STANDARD CONTOUR PBTV CONTOUR INTERMEDIATE CONTOUR <<<<<<<<< <<<<<<<<<<<<<<<&<&< &<&< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &<&< &< &< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &<&< ASH BASIN PINE HALLROAD LANDFILL STRUCTURALFILL BELEWS RESERVOIR M A R T IN L U T H E R K IN G J R R D OLD PLANTATION RD MIDDLETON LOOPP IN E H A L L R D 0 .5 0.520 AB-1S5 AB-3S1 AB-4SL*29.7 AB-5S*0.38 AB-5SL*5.5 AB-6S*0.51 AB-7S*7 GWA-1S0.37 j GWA-7SA0.32 jGWA-8S27.8 GWA-10S23.1 GWA-11S8.7 MW-415.8 MW-50.122 j OB-4131 AB-8S*15.3 GWA-19SA20.2 GWA-21S4.1 GWA-23S6.8 MW-747.2 GWA-18S0.53 GWA-18SA0.71 GWA-19S30.9 GWA-20SA1.7 GWA-27S5.8 AB-4S*ND AB-8SL*ND AB-9SND BG-2SND BG-3SND GWA-2SND GWA-5SND GWA-6SND GWA-12SND GWA-16SND GWA-17SND MW-1ND MW-3ND MW-6ND MW-104SND MW-200SND MW-202SND MW-203SND MW-204SND OB-5ND AB-6SL*ND MW-2ND MW-103SND GWA-22SND GWA-26SND GWA-30SND GWA-31SND GWA-32SND GWA-9SND GWA-3SND AB-2SNS GWA-24SNS BG-1SNS OB-1NS MW-102SNS MW-101SNS NOTES:THE NORTH CAROLINA 2L FOR SELENIUM IS 20 μg/L. PROVISIONAL BACKGROUND THRESHOLD VALUE IS SET AT REPORTING LIMIT OF 0.5μg/L. * ASH PORE WATER WELL DISPLAYED IN THE SHALLOW GROUNDWATER UNIT FORUSE IN CONTOURING. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. † CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC PBTV BUT WITHIN THEBACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGICSETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENTMIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THEASH BASIN. CONCENTRATIONS REPORTED ON FIGURE REPRESENT MOST RECENT VALIDSAMPLE RESULTS FOR EACH WELL. DATA WITH HIGH TURBIDITY (>10 NTU) ORRESULTS THAT INDICATE GROUT CONTAMINATION OF THE WELL (PH>9) HAVE BEENREMOVED FROM DATASET. COLLECTION DATES DEPICTED ON FIGURE RANGE FROMMAY 2010 TO MAY 2017. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON AUGUST 2, 2017.AERIAL WAS COLLECTED ON APRIL 8, 2017. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83/2011). FIGURE 10-44ISOCONCENTRATION MAPSELENIUM IN SHALLOW GROUNDWATERBELEWS CREEK STEAM STATIONDUKE ENERGY CAROLINAS, LLCBELEWS CREEK, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: S. SPINNERCHECKED BY: A. ALBERT DATE: 10/18/2017 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Belews Creek Steam Station\MapDocs\CSA_Supplement_2\Belews - Isoconcentration Maps.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET &<DOWNGRADIENT MONITORING WELL &<BACKGROUND MONITORING WELL &<ABANDONED MONITORING WELL WATER SUPPLY WELL ASH BASIN WASTE BOUNDARY <STREAM (AMEC NRTR 2015) DESIGNATED EFFLUENT CHANNEL ASH BASIN COMPLIANCE BOUNDARY LANDFILL BOUNDARY STRUCTURAL FILL BOUNDARY LANDFILL COMPLIANCE BOUNDARY DUKE ENERGY CAROLINAS BELEWS CREEK PLANTSITE BOUNDARY LEGEND NOT DETECTED ABOVE REPORTING LIMITND SELENIUM CONCENTRATION (µg/L)1 NOT SAMPLEDNS NORTH CAROLINA 2L CONTOUR PBTV CONTOUR INTERMEDIATE CONTOUR <<<<<<<<< <<<<<<<<<<<<<<<&<&< &< &< &< &< &< &< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &<&< &< &< &< &< &< ASH BASIN PINE HALLROAD LANDFILL STRUCTURALFILL BELEWS RESERVOIR M A R T IN L U T H E R K IN G J R R D OLD PLANTATION RD MIDDLETON LOOPPINE HALL RD0.50.5 20 50AB-1D8.4 AB-4D0.48 AB-5D0.4 AB-7D0.52 MW-103D0.99 MW2-7202 MW2-90.879 jOB-9300 AB-2D2.4GWA-20D0.9 GWA-21D0.40 j GWA-23D11.3 AB-3DND AB-6DND AB-8DND AB-9DND BG-1DND BG-2DND BG-3DND GWA-1DND GWA-2DND GWA-3DND GWA-4DND GWA-5DND GWA-6DND GWA-7DND GWA-8DND GWA-9DND GWA-10DAND GWA-11DND GWA-12DND GWA-16DAND GWA-17DND MW-101DND MW-104DND MW-200DND MW-201DND MW-202DND MW-203DND MW-204DND GWA-30DND GWA-31DND GWA-32DND GWA-18DND GWA-24DND GWA-26DND GWA-27DND MW2-2NS MW2-3NS MW2-4NS MW2-5NS GWA-16DNS GWA-19DNS GWA-22DNS MW2-1NS SFMW-1DNS SFMW-2DNS SFMW-3DNS SFMW-4DNS SFMW-5DNSSFMW-1DNS SFMW-2DNS MW-102DNS NOTES:THE NORTH CAROLINA 2L FOR SELENIUM IS 20 μg/L. PROVISIONAL BACKGROUND THRESHOLD VALUE IS SET AT REPORTING LIMIT OF 0.5μg/L. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. † CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC PBTV BUT WITHIN THEBACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGICSETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENTMIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THEASH BASIN. CONCENTRATIONS REPORTED ON FIGURE REPRESENT MOST RECENT VALIDSAMPLE RESULTS FOR EACH WELL. DATA WITH HIGH TURBIDITY (>10 NTU) ORRESULTS THAT INDICATE GROUT CONTAMINATION OF THE WELL (PH>9) HAVE BEENREMOVED FROM DATASET. COLLECTION DATES DEPICTED ON FIGURE RANGE FROMMAY 2010 TO MAY 2017. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON AUGUST 2, 2017.AERIAL WAS COLLECTED ON APRIL 8, 2017. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83/2011). FIGURE 10-45ISOCONCENTRATION MAPSELENIUM IN DEEP GROUNDWATERBELEWS CREEK STEAM STATIONDUKE ENERGY CAROLINAS, LLCBELEWS CREEK, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: S. SPINNERCHECKED BY: A. ALBERT DATE: 10/18/2017 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Belews Creek Steam Station\MapDocs\CSA_Supplement_2\Belews - Isoconcentration Maps.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET &<DOWNGRADIENT MONITORING WELL &<BACKGROUND MONITORING WELL &<ABANDONED MONITORING WELL WATER SUPPLY WELL ASH BASIN WASTE BOUNDARY <STREAM (AMEC NRTR 2015) DESIGNATED EFFLUENT CHANNEL ASH BASIN COMPLIANCE BOUNDARY LANDFILL BOUNDARY STRUCTURAL FILL BOUNDARY LANDFILL COMPLIANCE BOUNDARY DUKE ENERGY CAROLINAS BELEWS CREEK PLANTSITE BOUNDARY LEGEND NOT DETECTED ABOVE REPORTING LIMITND SELENIUM CONCENTRATION (µg/L)1 NOT SAMPLEDNS NORTH CAROLINA 2L CONTOUR PBTV CONTOUR INTERMEDIATE CONTOUR <<<<<<<<< <<<<<<<<<<<<<<<&< &< &< &< &< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< ASH BASIN PINE HALLROAD LANDFILL STRUCTURALFILL BELEWS RESERVOIR M A R T IN L U T H E R K IN G J R R D OLD PLANTATION RD MIDDLETON LOOPPINE HALL RDBC13†0.58 BC30†1.8 BG-2BRAND GWA-12BRND MW-1DND MW-200BRND MW-202BRND MW-203BRND AB-4BRND AB-9BRND MW-201BRND GWA-9BRND GWA-24BRND BC-1007ND BC2 Well 1NDBC2 Well 2ND BC2019-RAWND BC4 Well ANDBC4 Well BND BC1ND BC10ND BC14ND BC15ND BC17ND BC18ND BC19ND BC24ND BC33ND BC34ND BC35ND BC5ND BC6ND BC8R2ND BC9ND BC2000-RAWND BC2004-RAWND BC2021-RAWND BC2026-RAWND BC-1000ND BC-1001ND BC-1002ND BC-1003NDBC-1004ND BC-1005ND BC-1006ND BC20ND BC25ND BC26ND BC31ND BC7ND BC8ND GWA-25BRNS MW-104BRNS AB-1BRNS AB-4BRDNS AB-9BRDNS GWA-5BRNS GWA-16BRNS GWA-20BRNS GWA-26BRNS GWA-27BRNSGWA-19BRNS NOTES:THE NORTH CAROLINA 2L FOR SELENIUM IS 20 μg/L. PROVISIONAL BACKGROUND THRESHOLD VALUE IS SET AT REPORTING LIMIT OF 0.5μg/L. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. † CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC PBTV BUT WITHIN THEBACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGICSETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENTMIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THEASH BASIN. CONCENTRATIONS REPORTED ON FIGURE REPRESENT MOST RECENT VALIDSAMPLE RESULTS FOR EACH WELL. DATA WITH HIGH TURBIDITY (>10 NTU) ORRESULTS THAT INDICATE GROUT CONTAMINATION OF THE WELL (PH>9) HAVE BEENREMOVED FROM DATASET. COLLECTION DATES DEPICTED ON FIGURE RANGE FROMMAY 2010 TO MAY 2017. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON AUGUST 2, 2017.AERIAL WAS COLLECTED ON APRIL 8, 2017. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83/2011). WATER SUPPLY WELL SAMPLED BY NCDEQ BETWEEN FEBRUARY 2015 AND APRIL2017. FIGURE 10-46ISOCONCENTRATION MAPSELENIUM IN BEDROCK GROUNDWATERBELEWS CREEK STEAM STATIONDUKE ENERGY CAROLINAS, LLCBELEWS CREEK, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: S. SPINNERCHECKED BY: A. ALBERT DATE: 10/18/2017 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Belews Creek Steam Station\MapDocs\CSA_Supplement_2\Belews - Isoconcentration Maps.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET &<DOWNGRADIENT MONITORING WELL &<BACKGROUND MONITORING WELL &<ABANDONED MONITORING WELL WATER SUPPLY WELL ASH BASIN WASTE BOUNDARY <STREAM (AMEC NRTR 2015) DESIGNATED EFFLUENT CHANNEL ASH BASIN COMPLIANCE BOUNDARY LANDFILL BOUNDARY STRUCTURAL FILL BOUNDARY LANDFILL COMPLIANCE BOUNDARY DUKE ENERGY CAROLINAS BELEWS CREEK PLANTSITE BOUNDARY LEGEND NOT DETECTED ABOVE REPORTING LIMITND SELENIUM CONCENTRATION (µg/L)1 NOT SAMPLEDNS NORTH CAROLINA 2L CONTOUR PBTV CONTOUR INTERMEDIATE CONTOUR <<<<<<<<< <<<<<<<<<<<<<<<&<&< &<&< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &<&< ASH BASIN PINE HALLROAD LANDFILL STRUCTURALFILL BELEWS RESERVOIR M A R T IN L U T H E R K IN G J R R D OLD PLANTATION RD MIDDLETON LOOPP IN E H A L L R D 56.556.54000AB-1S783 AB-3S805 AB-4S*1500 AB-4SL*2660 AB-5S*284 AB-5SL*4450 AB-6S*96.5 AB-7S*1530 AB-8SL*1420 AB-9S6.7 BG-2S45.9 BG-3S27.2 GWA-1S116 GWA-2S3.3 j GWA-5S74.9 GWA-6S25.2 GWA-7SA29.1GWA-8S314 GWA-10S25.2 GWA-11S456 GWA-12S18.9 GWA-16S8.5 GWA-17S12.2 MW-339 MW-104S32.2 MW-200S68 MW-202S10 MW-203S19 MW-204S18 AB-6SL*930 AB-8S*244 GWA-19SA146 GWA-21S214 GWA-23S600 MW-103S158 GWA-18S24.2 GWA-18SA72.4GWA-19S89.2 GWA-20SA569 GWA-22S47.2 GWA-26S24.5 GWA-27S28.4 GWA-30S34 GWA-31S13.9 GWA-9S6.9 GWA-3S131 GWA-32SND AB-2SNS GWA-24SNS BG-1SNS MW-1NS MW-4NS MW-5NS MW-6NS OB-4NS OB-5NS MW-2NS MW-7NS OB-1NS MW-102SNS MW-101SNS NOTES:NO NORTH CAROLINA 2L OR INTERIM MAXIMUM ALLOWABLE CONCENTRATIONESTABLISHED FOR STRONTIUM. PROVISIONAL BACKGROUND THRESHOLD VALUE IS 56.5 µg/L. * ASH PORE WATER WELL DISPLAYED IN THE SHALLOW GROUNDWATER UNIT FORUSE IN CONTOURING. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. † CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC PBTV BUT WITHIN THEBACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGICSETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENTMIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THEASH BASIN. CONCENTRATIONS REPORTED ON FIGURE REPRESENT MOST RECENT VALIDSAMPLE RESULTS FOR EACH WELL. DATA WITH HIGH TURBIDITY (>10 NTU) ORRESULTS THAT INDICATE GROUT CONTAMINATION OF THE WELL (PH>9) HAVE BEENREMOVED FROM DATASET. COLLECTION DATES DEPICTED ON FIGURE RANGE FROMMAY 2010 TO MAY 2017. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON AUGUST 2, 2017.AERIAL WAS COLLECTED ON APRIL 8, 2017. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83/2011). FIGURE 10-47ISOCONCENTRATION MAPSTRONTIUM IN SHALLOW GROUNDWATERBELEWS CREEK STEAM STATIONDUKE ENERGY CAROLINAS, LLCBELEWS CREEK, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: S. SPINNERCHECKED BY: A. ALBERT DATE: 10/18/2017 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Belews Creek Steam Station\MapDocs\CSA_Supplement_2\Belews - Isoconcentration Maps.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET &<DOWNGRADIENT MONITORING WELL &<BACKGROUND MONITORING WELL &<ABANDONED MONITORING WELL WATER SUPPLY WELL ASH BASIN WASTE BOUNDARY <STREAM (AMEC NRTR 2015) DESIGNATED EFFLUENT CHANNEL ASH BASIN COMPLIANCE BOUNDARY LANDFILL BOUNDARY STRUCTURAL FILL BOUNDARY LANDFILL COMPLIANCE BOUNDARY DUKE ENERGY CAROLINAS BELEWS CREEK PLANTSITE BOUNDARY LEGEND NOT DETECTED ABOVE REPORTING LIMITND STRONTIUM CONCENTRATION (µg/L)1 NOT SAMPLEDNS STANDARD CONTOUR PBTV CONTOUR INTERMEDIATE CONTOUR <<<<<<<<< <<<<<<<<<<<<<<<&<&< &< &< &< &< &< &< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &<&< ASH BASIN PINE HALLROAD LANDFILL STRUCTURALFILL BELEWS RESERVOIR M A R T IN L U T H E R K IN G J R R D OLD PLANTATION RD MIDDLETON LOOPP IN E H A L L R D 6 8 .5 68.5 1000AB-1D697 AB-3D408 AB-4D169 AB-5D52.9 AB-6D57 AB-7D44.5AB-8D65.7 AB-9D108 BG-1D†71.4 BG-2D41.6 BG-3D52.8 GWA-1D102 GWA-2D25.7 GWA-3D111 GWA-4D179 GWA-5D158 GWA-6D129 GWA-7D260 GWA-8D57.6 GWA-9D82.6 GWA-10DA58.8 GWA-11D520 GWA-12D21.2 GWA-16DA47 GWA-17D44.2 MW-103D507 MW-104D89 MW-200D117 MW-201D72 MW-202D41 MW-203D35 MW-204D15 AB-2D807 GWA-30D372 GWA-31D55 GWA-32D181 GWA-18D45.8 GWA-20D1020 GWA-21D570 GWA-23D887 GWA-24D92.8 GWA-26D43.6 GWA-27D918 GWA-16DNS GWA-19DNS GWA-22DNS MW2-2NS MW2-3NS MW2-4NS MW2-5NS MW2-7NS MW2-9NSOB-9NS MW2-1NS SFMW-1DNS SFMW-2DNS SFMW-3DNS SFMW-4DNS SFMW-5DNS MW-101DNS MW-102DNS NOTES:NO NORTH CAROLINA 2L OR INTERIM MAXIMUM ALLOWABLE CONCENTRATIONESTABLISHED FOR STRONTIUM. PROVISIONAL BACKGROUND THRESHOLD VALUE IS 68.5 µg/L. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. † CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC PBTV BUT WITHIN THEBACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGICSETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENTMIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THEASH BASIN. CONCENTRATIONS REPORTED ON FIGURE REPRESENT MOST RECENT VALIDSAMPLE RESULTS FOR EACH WELL. DATA WITH HIGH TURBIDITY (>10 NTU) ORRESULTS THAT INDICATE GROUT CONTAMINATION OF THE WELL (PH>9) HAVE BEENREMOVED FROM DATASET. COLLECTION DATES DEPICTED ON FIGURE RANGE FROMMAY 2010 TO MAY 2017. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON AUGUST 2, 2017.AERIAL WAS COLLECTED ON APRIL 8, 2017. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83/2011). FIGURE 10-48ISOCONCENTRATION MAPSTRONTIUM IN DEEP GROUNDWATERBELEWS CREEK STEAM STATIONDUKE ENERGY CAROLINAS, LLCBELEWS CREEK, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: S. SPINNERCHECKED BY: A. ALBERT DATE: 10/18/2017 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Belews Creek Steam Station\MapDocs\CSA_Supplement_2\Belews - Isoconcentration Maps.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET &<DOWNGRADIENT MONITORING WELL &<BACKGROUND MONITORING WELL &<ABANDONED MONITORING WELL WATER SUPPLY WELL ASH BASIN WASTE BOUNDARY <STREAM (AMEC NRTR 2015) DESIGNATED EFFLUENT CHANNEL ASH BASIN COMPLIANCE BOUNDARY LANDFILL BOUNDARY STRUCTURAL FILL BOUNDARY LANDFILL COMPLIANCE BOUNDARY DUKE ENERGY CAROLINAS BELEWS CREEK PLANTSITE BOUNDARY LEGEND NOT DETECTED ABOVE REPORTING LIMITND STRONTIUM CONCENTRATION (µg/L)1 NOT SAMPLEDNS STANDARD CONTOUR PBTV CONTOUR INTERMEDIATE CONTOUR <<<<<<<<< <<<<<<<<<<<<<<<&< &< &< &< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< ASH BASIN PINE HALLROAD LANDFILL STRUCTURALFILL BELEWS RESERVOIR M A R T IN L U T H E R K IN G J R R DOLD PL ANT AT I ON RDMIDDLETON LOOPPINE HALL RD100 BG-2BRA78.3 GWA-12BR49.3 MW-200BR193 MW-202BR37.8 MW-203BR43.6 AB-4BR79.3 AB-9BR119 MW-201BR39.3 GWA-9BR78.3 GWA-24BR120 BC-100752 BC2 Well 144.1BC2 Well 252.9 BC2019-RAW48.9 BC4 Well A44.8 BC4 Well B37 BC1†165 BC1033.6 BC1387.6 BC1421.6 BC1563.1 BC17†200 BC1844.8 BC1987.9 BC2455.1 BC3385.2 BC3494.4 BC3544.7 BC516.9 BC669 BC8R253.8 BC973.2 BC2000-RAW32.5 BC2004-RAW15.2 BC2021-RAW67.6 BC2026-RAW45.9 BC-100095.1 BC-100124.8 BC-100213.5 BC-100326.6 BC-100421.1 BC-100523.1 BC-100625.2 BC2094.2 BC2523.3 BC2656.4 BC3064.6 BC3179.2 BC799 BC853.8 GWA-25BRNS MW-104BRNS AB-1BRNS AB-4BRDNS AB-9BRDNS GWA-5BRNS GWA-16BRNS GWA-20BRNS GWA-26BRNS GWA-27BRNSGWA-19BRNS NOTES:NO NORTH CAROLINA 2L OR INTERIM MAXIMUM ALLOWABLE CONCENTRATIONESTABLISHED FOR STRONTIUM. PROVISIONAL BACKGROUND THRESHOLD VALUE IS 100 μg/L. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. † CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC PBTV BUT WITHIN THEBACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGICSETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENTMIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THEASH BASIN. CONCENTRATIONS REPORTED ON FIGURE REPRESENT MOST RECENT VALIDSAMPLE RESULTS FOR EACH WELL. DATA WITH HIGH TURBIDITY (>10 NTU) ORRESULTS THAT INDICATE GROUT CONTAMINATION OF THE WELL (PH>9) HAVE BEENREMOVED FROM DATASET. COLLECTION DATES DEPICTED ON FIGURE RANGE FROMMAY 2010 TO MAY 2017. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON AUGUST 2, 2017.AERIAL WAS COLLECTED ON APRIL 8, 2017. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83/2011). WATER SUPPLY WELL SAMPLED BY NCDEQ BETWEEN FEBRUARY 2015 AND APRIL2017. FIGURE 10-49ISOCONCENTRATION MAPSTRONTIUM IN BEDROCK GROUNDWATERBELEWS CREEK STEAM STATIONDUKE ENERGY CAROLINAS, LLCBELEWS CREEK, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: S. SPINNERCHECKED BY: A. ALBERT DATE: 10/18/2017 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Belews Creek Steam Station\MapDocs\CSA_Supplement_2\Belews - Isoconcentration Maps.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET &<DOWNGRADIENT MONITORING WELL &<BACKGROUND MONITORING WELL &<ABANDONED MONITORING WELL WATER SUPPLY WELL ASH BASIN WASTE BOUNDARY <STREAM (AMEC NRTR 2015) DESIGNATED EFFLUENT CHANNEL ASH BASIN COMPLIANCE BOUNDARY LANDFILL BOUNDARY STRUCTURAL FILL BOUNDARY LANDFILL COMPLIANCE BOUNDARY DUKE ENERGY CAROLINAS BELEWS CREEK PLANTSITE BOUNDARY LEGEND NOT DETECTED ABOVE REPORTING LIMITND STRONTIUM CONCENTRATION (µg/L)1 NOT SAMPLEDNS STANDARD CONTOUR PBTV CONTOUR INTERMEDIATE CONTOUR <<<<<<<<< <<<<<<<<<<<<<<<&<&< &<&< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &<&< &< &< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &<&< ASH BASIN PINE HALLROAD LANDFILL STRUCTURALFILL BELEWS RESERVOIR M A R T IN L U T H E R K IN G J R R D OLD PLANTATION RD MIDDLETON LOOPPINE HALL RD1.931.93 2 5 0 2502501000 AB-1S145 AB-3S138 AB-4S*228 AB-4SL*213 AB-5S*24.9 AB-5SL*191 AB-6S*11.1 AB-7S*298 AB-8SL*34.8 BG-2S1.1 GWA-6S9.8 GWA-7SA11.4 GWA-8S102 GWA-16S0.55 j GWA-17S17.5 MW-11.19 MW-30.79 j MW-480.4 MW-50.105 MW-60.045 j MW-200S5.6 MW-202S0.36 MW-203S0.19 MW-204S2.3 OB-41540 OB-50.071 j AB-6SL*1.3 AB-8S*35.7 GWA-21S0.63 j GWA-23S666 MW-20.208 MW-7247.7 GWA-18S9.4 GWA-18SA2.8 GWA-19S0.67 j GWA-20SA80.3 GWA-22S10.6 GWA-26S5.1 GWA-27S2.3 GWA-30S0.72 j GWA-31S0.6 j GWA-32S0.64 j GWA-9S0.67 j GWA-3S0.56 j AB-9SND BG-3SND GWA-1SND GWA-2SND GWA-5SND GWA-10SND GWA-11SND GWA-12SND MW-104SND GWA-19SAND MW-103SND AB-2SNS GWA-24SNS BG-1SNS OB-1NS MW-102SNS MW-101SNS NOTES:THE NORTH CAROLINA 2L FOR SULFATE IS 250 mg/L. PROVISIONAL BACKGROUND THRESHOLD VALUE IS 1.93 mg/L. * ASH PORE WATER WELL DISPLAYED IN THE SHALLOW GROUNDWATER UNIT FORUSE IN CONTOURING. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. † CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC PBTV BUT WITHIN THEBACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGICSETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENTMIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THEASH BASIN. CONCENTRATIONS REPORTED ON FIGURE REPRESENT MOST RECENT VALIDSAMPLE RESULTS FOR EACH WELL. DATA WITH HIGH TURBIDITY (>10 NTU) ORRESULTS THAT INDICATE GROUT CONTAMINATION OF THE WELL (PH>9) HAVE BEENREMOVED FROM DATASET. COLLECTION DATES DEPICTED ON FIGURE RANGE FROMMAY 2010 TO MAY 2017. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON AUGUST 2, 2017.AERIAL WAS COLLECTED ON APRIL 8, 2017. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83/2011). FIGURE 10-50ISOCONCENTRATION MAPSULFATE IN SHALLOW GROUNDWATERBELEWS CREEK STEAM STATIONDUKE ENERGY CAROLINAS, LLCBELEWS CREEK, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: S. SPINNERCHECKED BY: A. ALBERT DATE: 10/18/2017 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Belews Creek Steam Station\MapDocs\CSA_Supplement_2\Belews - Isoconcentration Maps.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET &<DOWNGRADIENT MONITORING WELL &<BACKGROUND MONITORING WELL &<ABANDONED MONITORING WELL WATER SUPPLY WELL ASH BASIN WASTE BOUNDARY <STREAM (AMEC NRTR 2015) DESIGNATED EFFLUENT CHANNEL ASH BASIN COMPLIANCE BOUNDARY LANDFILL BOUNDARY STRUCTURAL FILL BOUNDARY LANDFILL COMPLIANCE BOUNDARY DUKE ENERGY CAROLINAS BELEWS CREEK PLANTSITE BOUNDARY LEGEND NOT DETECTED ABOVE REPORTING LIMITND SULFATE CONCENTRATION (mg/L)1 NOT SAMPLEDNS NORTH CAROLINA 2L CONTOUR PBTV CONTOUR INTERMEDIATE CONTOUR <<<<<<<<< <<<<<<<<<<<<<<<&<&< &< &< &< &< &< &< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &<&< ASH BASIN PINE HALLROAD LANDFILL STRUCTURALFILL BELEWS RESERVOIR M A R T IN L U T H E R K IN G J R R D OLD PLANTATION RD MIDDLETON LOOPP IN E H A L L R D 6.356.35 2 5 0 250250AB-1D120 AB-3D25.7 AB-4D5.1 AB-5D6.3 AB-6D3.4 AB-7D9.6AB-8D0.7 AB-9D11.4 BG-1D†11 BG-2D2.7 BG-3D0.52 j GWA-1D7.7 GWA-2D0.93 j GWA-4D0.71 j GWA-5D4.1 GWA-6D6 GWA-7D4 GWA-8D10.7 GWA-9D5 GWA-10DA4.4 GWA-11D6.2 GWA-12D0.97 j GWA-16DA8.2 GWA-17D12.6 MW-103D2.1 MW-104D2.5 MW-200D3.5 MW-201D1.3 MW-202D1.6 MW-203D1.3 MW-204D2.2 MW2-71320 MW2-964OB-91160 AB-2D79.3 GWA-30D1.9 GWA-31D5.4 GWA-32D22.5 GWA-18D4 GWA-20D55.9GWA-21D0.72 j GWA-23D1270 GWA-24D2.3 GWA-26D1.6 GWA-27D10.3 MW-101D23 GWA-3DND MW2-2NS MW2-3NS MW2-4NS MW2-5NS GWA-16DNS GWA-19DNS GWA-22DNS MW2-1NS SFMW-1DNS SFMW-2DNS SFMW-3DNS SFMW-4DNS SFMW-5DNS MW-102DNS NOTES:THE NORTH CAROLINA 2L FOR SULFATE IS 250 mg/L. PROVISIONAL BACKGROUND THRESHOLD VALUE IS 6.35 mg/L. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. † CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC PBTV BUT WITHIN THEBACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGICSETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENTMIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THEASH BASIN. CONCENTRATIONS REPORTED ON FIGURE REPRESENT MOST RECENT VALIDSAMPLE RESULTS FOR EACH WELL. DATA WITH HIGH TURBIDITY (>10 NTU) ORRESULTS THAT INDICATE GROUT CONTAMINATION OF THE WELL (PH>9) HAVE BEENREMOVED FROM DATASET. COLLECTION DATES DEPICTED ON FIGURE RANGE FROMMAY 2010 TO MAY 2017. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON AUGUST 2, 2017.AERIAL WAS COLLECTED ON APRIL 8, 2017. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83/2011). FIGURE 10-51ISOCONCENTRATION MAPSULFATE IN DEEP GROUNDWATERBELEWS CREEK STEAM STATIONDUKE ENERGY CAROLINAS, LLCBELEWS CREEK, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: S. SPINNERCHECKED BY: A. ALBERT DATE: 10/18/2017 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Belews Creek Steam Station\MapDocs\CSA_Supplement_2\Belews - Isoconcentration Maps.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET &<DOWNGRADIENT MONITORING WELL &<BACKGROUND MONITORING WELL &<ABANDONED MONITORING WELL WATER SUPPLY WELL ASH BASIN WASTE BOUNDARY <STREAM (AMEC NRTR 2015) DESIGNATED EFFLUENT CHANNEL ASH BASIN COMPLIANCE BOUNDARY LANDFILL BOUNDARY STRUCTURAL FILL BOUNDARY LANDFILL COMPLIANCE BOUNDARY DUKE ENERGY CAROLINAS BELEWS CREEK PLANTSITE BOUNDARY LEGEND NOT DETECTED ABOVE REPORTING LIMITND SULFATE CONCENTRATION (mg/L)1 NOT SAMPLEDNS NORTH CAROLINA 2L CONTOUR PBTV CONTOUR INTERMEDIATE CONTOUR <<<<<<<<< <<<<<<<<<<<<<<<&< &< &< &< &< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< ASH BASIN PINE HALLROAD LANDFILL STRUCTURALFILL BELEWS RESERVOIR M A R T IN L U T H E R K IN G J R R DOLD PL ANT AT I ON RDMIDDLETON LOOPPINE HALL RD9.6BG-2BRA†9.6 GWA-12BR5.7 MW-1D0.961 MW-200BR6.4 MW-202BR3 MW-203BR2.1 AB-4BR6 AB-9BR12.9 MW-201BR8.4 GWA-9BR1.2 GWA-24BR5.7 BC-1007†9.9 BC2 Well 19.3BC2 Well 28.9 BC2019-RAW8.1 BC4 Well A4.8BC4 Well B†14 BC1†12.2 BC138.5 BC143.2 BC153.6 BC177.2 BC182 BC195.9 BC244.2 BC339.1 BC346.1 BC35†14.2 BC69.25 BC8R23.1 BC9†9.8 BC2000-RAW9.2 BC2004-RAW1.2 BC2021-RAW†9.7 BC2026-RAW2 BC-10009.0 BC-10013 BC-10032.3 BC-10043.1 BC-10058.8 BC208.1 BC253.5 BC268.2 BC308.7 BC318.6 BC79.07 BC83.1 BC10ND BC5NDBC-1002ND BC-1006ND GWA-25BRNS MW-104BRNS AB-1BRNS AB-4BRDNS AB-9BRDNS GWA-5BRNS GWA-16BRNS GWA-20BRNS GWA-26BRNS GWA-27BRNSGWA-19BRNS NOTES:THE NORTH CAROLINA 2L FOR SULFATE IS 250 mg/L. PROVISIONAL BACKGROUND THRESHOLD VALUE IS 9.6 mg/L. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. † CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC PBTV BUT WITHIN THEBACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGICSETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENTMIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THEASH BASIN. CONCENTRATIONS REPORTED ON FIGURE REPRESENT MOST RECENT VALIDSAMPLE RESULTS FOR EACH WELL. DATA WITH HIGH TURBIDITY (>10 NTU) ORRESULTS THAT INDICATE GROUT CONTAMINATION OF THE WELL (PH>9) HAVE BEENREMOVED FROM DATASET. COLLECTION DATES DEPICTED ON FIGURE RANGE FROMMAY 2010 TO MAY 2017. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON AUGUST 2, 2017.AERIAL WAS COLLECTED ON APRIL 8, 2017. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83/2011). WATER SUPPLY WELL SAMPLED BY NCDEQ BETWEEN FEBRUARY 2015 AND APRIL2017. FIGURE 10-52ISOCONCENTRATION MAPSULFATE IN BEDROCK GROUNDWATERBELEWS CREEK STEAM STATIONDUKE ENERGY CAROLINAS, LLCBELEWS CREEK, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: S. SPINNERCHECKED BY: A. ALBERT DATE: 10/18/2017 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Belews Creek Steam Station\MapDocs\CSA_Supplement_2\Belews - Isoconcentration Maps.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET &<DOWNGRADIENT MONITORING WELL &<BACKGROUND MONITORING WELL &<ABANDONED MONITORING WELL WATER SUPPLY WELL ASH BASIN WASTE BOUNDARY <STREAM (AMEC NRTR 2015) DESIGNATED EFFLUENT CHANNEL ASH BASIN COMPLIANCE BOUNDARY LANDFILL BOUNDARY STRUCTURAL FILL BOUNDARY LANDFILL COMPLIANCE BOUNDARY DUKE ENERGY CAROLINAS BELEWS CREEK PLANTSITE BOUNDARY LEGEND NOT DETECTED ABOVE REPORTING LIMITND SULFATE CONCENTRATION (mg/L)1 NOT SAMPLEDNS NORTH CAROLINA 2L CONTOUR PBTV CONTOUR INTERMEDIATE CONTOUR <<<<<<<<< <<<<<<<<<<<<<<<&<&< &<&< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &<&< &< &< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &<&< ASH BASI N PINE HALLROAD LAND FILL STRU CTURALFILL BELEW S RESERVO IR M A R T IN L U T H E R K IN G J R R D OLD PLANTATION RD M I D D L E T O N L O O P P I N E H A L L R D 8 5 85 500500 2000AB-1 S1100 AB-3 S1180 AB-4 S*1120 AB-4 SL*528 AB-5 S*140 AB-5 SL*1330 AB-6 S*88AB-7 S*2260 AB-8 SL*337 AB-9 S40 BG-2S77 BG-3S53 GW A-1 S201 GW A-5 S38 GW A-6 S50 GW A-7 SA72 GW A-8 S207 GWA-1 0S147 GW A-11 S424 GWA-1 2S29 GWA-1 6S28 GWA-1 7S58 MW-138 MW-339 MW -4186 MW -537 MW -653 MW -104S51 MW-2 00S130 MW -202S44 MW -203S45 MW -204S58 OB -42600 OB -521 j AB-6 SL*150 AB-8 S*123 GWA-19SA339 GW A-2 1S238 GWA-2 3S1080 MW -267 MW -7522 MW -103S568 GW A-1 8S125 GWA-18SA169GWA-1 9S299 GWA-20SA1160 GW A-2 2S80 GWA-2 6S53 GWA-2 7S108 GW A-3 0S37 GWA-3 2S135 GWA-9S27 GWA-3S88 GW A-2 SND GW A-3 1SND AB-2 SNS GWA-2 4SNS BG-1SNS OB -1NS MW-1 02SNS MW -101SNS NOTES:THE NORT H CAR OL INA 2 L FOR TOTAL DISSOLVED SOLIDS IS 50 0 mg/L . PROVIS IONAL BACKGROUND THRESHOL D VAL UE IS 85 mg/L. * ASH PORE WATER W ELL DISPL AY ED IN T HE S HALLOW GROUNDWATER UNIT F ORUSE IN CONTOURING. DATA PRE SENTED MAY INCLUDE L AB-QUA LIF IED RES ULTS. REF ER TO ANALYTICALDATA TABL E NOT ES F OR QUA LIF IER DEF INITIONS. † CON CENTRATION GR EATER T HAN CU RRENT S ITE SPE CIFIC PBTV BUT W ITHIN T HEBACKGROUND CONCENTRAT ION RANGE FOR SIMILA R PIEDMONT GEOLOGICSETTINGS. DUE TO GROU NDWATER FLOW DIREC TION AND OTHER CONST ITUE NTMIGRATION PAT TERNS, CON CENTRATION D OES NOT SUGGEST IMPA CT FROM THEASH B ASIN. CONCENTRATIONS REPORTED ON FIGURE REP RESENT MOST RECE NT VAL IDSAMPLE RESULT S F OR EAC H WELL . DATA W ITH HIGH TURB IDITY (>10 NTU) ORRESULTS THAT INDICATE GROUT CONTA MINATION OF THE W ELL (PH>9) HAVE B EENREMOVED FROM DATAS ET. COL LECTION DATES DEPICTED ON FIGURE RAN GE FR OMMAY 201 0 TO MAY 20 17. PROPERTY B OUNDARY PROVIDED BY DUKE ENERGY C AROLINAS. AERIA L PHOTOGRAPHY OBTAINED FROM GOOGL E E ART H P RO ON AUGUST 2, 2 017 .AERIA L WAS COLL ECTED ON APRIL 8, 2 017 . 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 10-53ISOCONCENTRATION MAPTOTAL DISSOLVED SOL IDS IN SH ALLOWGROUNDWATERBELEWS CREEK STEAM STATIONDUKE EN ERG Y CA ROLI NAS, LLCBELEWS CREEK , NORTH CAROL INADRAWN BY: B. YOUNGPROJECT MANAGER: S. SPINNERCHECKED BY: A. ALBERT DAT E: 10/29/2017 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\B ele ws Creek Steam Statio n\M apDo cs\CSA _S upple ment_2 \Bele ws - Iso con centration M ap s.m xd 500 0 500 1,000250 GRAP HIC SCALE IN FEET &<DOWNG RADIEN T MONITOR ING WELL &<BAC KGRO UND MON ITO RING WELL &<ABAN DONED MO NITORIN G WEL L WATER SUPPLY WELL ASH BASIN WASTE BOUNDARY <STREAM (AMEC NRTR 2015 ) DESIGNATED EFFLUENT CHANNEL ASH BASIN C OMPL IANCE BOUNDARY LANDFIL L BOUND ARYSTRUCTURAL FI LL BOU NDARY LANDFIL L COMPLI ANCE BOUNDARY DUKE ENERG Y CAROL INAS BELEWS CREEK PLANTSITE BOUND ARY LEGEND NOT DETECTED ABOVE REPORTING LIMI TND TOTAL DISSOLVED SOLIDS CO NCENTRATI ON (mg/L)1 NOT SAMPL EDNS NORTH C AROLINA 2 L CONTOUR PBTV CONTOUR INTERMEDIATE CONTO UR <<<<<<<<< <<<<<<<<<<<<<<<&<&< &< &< &< &< &< &< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< ASH BASI N PINE HALLROAD LAND FILL STRU CTURALFILL BELEW S RESERVO IR M A R T IN L U T H E R K IN G J R R D OLD PLANTATION RD MIDDLETON LOOPP IN E H A L L R D 1481 4 8 5 0 0 500500500 AB-1D1130 AB-3 D648 AB-4 D149 AB-5D109 AB-6 D101 AB-7 D86AB-8 D93 AB-9D177 BG-1D100 BG-2D96 BG-3D64 GWA-1 D173 D6 GW A-2 D59 GW A-3 D83 GWA-4 D147 GW A-5 D158 GWA-6 D145 GWA-7 D191 GW A-8 D122 GWA-9 D135 GWA-1 0DA74 GW A-11 D464 GW A-1 2D47 GWA-1 6DA92 GWA-17D109 MW -1 01D933 MW -1 03D620 D6 MW -1 04D79 MW-2 00D170 MW-2 01D120 MW-2 02D81 MW-2 03D110 MW -2 04D49 MW 2-71850 MW2-9197 OB -91530 AB-2 D772 GWA-30D146 GWA-31D92 GWA-32D317 GW A-1 8D80 GWA-20D1080 GW A-2 1D452 GWA-23D1820 GWA-26D87 GWA-27D990 GW A-2 4DND MW 2-2NS MW 2-3NS MW2-4NS MW 2-5NS GWA-16DNS GWA-19DNS GW A-2 2DNS MW2-1NS SFMW-1DNS SFMW-2DNS SFMW-3DNS SFMW-4DNS SFMW-5DNS MW-1 02DNS NOTES:THE NORT H CAR OL INA 2 L FOR TOTAL DISSOLVED SOLIDS IS 50 0 mg/L . PROVIS IONAL BACKGROUND THRESHOL D VAL UE IS 14 8 mg /L . DATA PRE SENTED MAY INCLUDE L AB-QUA LIF IED RES ULTS. REF ER TO ANALYTICALDATA TABL E NOT ES F OR QUA LIF IER DEF INITIONS. † CON CENTRATION GR EATER T HAN CU RRENT S ITE SPE CIFIC PBTV BUT W ITHIN T HEBACKGROUND CONCENTRAT ION RANGE FOR SIMILA R PIEDMONT GEOLOGICSETTINGS. DUE TO GROU NDWATER FLOW DIREC TION AND OTHER CONST ITUE NTMIGRATION PAT TERNS, CON CENTRATION D OES NOT SUGGEST IMPA CT FROM THEASH B ASIN. CONCENTRATIONS REPORTED ON FIGURE REP RESENT MOST RECE NT VAL IDSAMPLE RESULT S F OR EAC H WELL . DATA W ITH HIGH TURB IDITY (>10 NTU) ORRESULTS THAT INDICATE GROUT CONTA MINATION OF THE W ELL (PH>9) HAVE B EENREMOVED FROM DATAS ET. COL LECTION DATES DEPICTED ON FIGURE RAN GE FR OMMAY 201 0 TO MAY 20 17. PROPERTY B OUNDARY PROVIDED BY DUKE ENERGY C AROLINAS. AERIA L PHOTOGRAPHY OBTAINED FROM GOOGL E E ART H P RO ON AUGUST 2, 2 017 .AERIA L WAS COLL ECTED ON APRIL 8, 2 017 . 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 10-54ISOCONCENTRATION MAPTOTAL DISSOLVED SOL IDS IN DEEP GROUNDWATERBELEWS CREEK STEAM STATIONDUKE EN ERG Y CA ROLI NAS, LLCBELEWS CREEK , NORTH CAROL INADRAWN BY: B. YOUNGPROJECT MANAGER: S. SPINNERCHECKED BY: A. ALBERT 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\B ele ws Creek Steam Statio n\M apDo cs\CSA _S upple ment_2 \Bele ws - Iso con centration M ap s.m xd 500 0 500 1,000250 GRAP HIC SCALE IN FEET &<DOWNG RADIEN T MONITOR ING WELL &<BAC KGRO UND MON ITO RING WELL &<ABAN DONED MO NITORIN G WEL L WATER SUPPLY WELL ASH BASIN WASTE BOUNDARY <STREAM (AMEC NRTR 2015 ) DESIGNATED EFFLUENT CHANNEL ASH BASIN C OMPL IANCE BOUNDARY LANDFIL L BOUND ARYSTRUCTURAL FI LL BOU NDARY LANDFIL L COMPLI ANCE BOUNDARY DUKE ENERG Y CAROL INAS BELEWS CREEK PLANTSITE BOUND ARY LEGEND NOT DETECTED ABOVE REPORTING LIMI TND TOTAL DISSOLVED SOLIDS CO NCENTRATI ON (mg/L)1 NOT SAMPL EDNS NORTH C AROLINA 2 L CONTOUR PBTV CONTOUR INTERMEDIATE CONTO UR <<<<<<<<< <<<<<<<<<<<<<<<&< &< &< &< &< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< ASH BASI N PINE HALLROAD LAND FILL STRU CTURALFILL BELEW S RESERVO IR M A R T IN L U T H E R K IN G J R R D OLD PLANTATION RD MIDDLETON LOOPPINE HALL RD133 BG-2B RA131 GWA-1 2BR104 MW-1 D84 MW -200BR244 MW-2 02BR73 MW-2 03BR106 AB-4 BR149 AB-9 BR177 MW-2 01BR111 GWA-9BR254 BC-1007108 BC2 Well 1105BC2 Well 297 BC201 9-RAW96 BC4 Well A102 BC4 Well B80 BC195 BC1042 BC13†180 BC1450 BC1591 BC17†150 BC1888 BC19117 BC24111 BC33†148 BC34†156 BC35†143 BC6101 BC8R271 BC992 BC200 0-RAW87 BC200 4-RAW48 BC202 1-RAW124 BC202 6-RAW105 BC-1 000113 BC-1 00169 BC-100357 BC-100450 BC-1 00579 BC-1 00639 BC20†136 BC2576 BC26112 BC30†152 BC31152 BC7124 BC871 GW A-2 4BRND BC5NDBC-1002ND GW A-2 5BRNS MW -104BRNS AB-1 BRNS AB-4 BRDNS AB-9 BRDNS GW A-5 BRNS GWA-1 6BRNS GWA-2 0BRNS GWA-2 6BRNS GW A-2 7BRNSGWA-1 9BRNS NOTES:THE NORT H CAR OL INA 2 L FOR TOTAL DISSOLVED SOLIDS IS 50 0 mg/L . PROVIS IONAL BACKGROUND THRESHOL D VAL UE IS 13 3 mg /L . DATA PRE SENTED MAY INCLUDE L AB-QUA LIF IED RES ULTS. REF ER TO ANALYTICALDATA TABL E NOT ES F OR QUA LIF IER DEF INITIONS. † CON CENTRATION GR EATER T HAN CU RRENT S ITE SPE CIFIC PBTV BUT W ITHIN T HEBACKGROUND CONCENTRAT ION RANGE FOR SIMILA R PIEDMONT GEOLOGICSETTINGS. DUE TO GROU NDWATER FLOW DIREC TION AND OTHER CONST ITUE NTMIGRATION PAT TERNS, CON CENTRATION D OES NOT SUGGEST IMPA CT FROM THEASH B ASIN. CONCENTRATIONS REPORTED ON FIGURE REP RESENT MOST RECE NT VAL IDSAMPLE RESULT S F OR EAC H WELL . DATA W ITH HIGH TURB IDITY (>10 NTU) ORRESULTS THAT INDICATE GROUT CONTA MINATION OF THE W ELL (PH>9) HAVE B EENREMOVED FROM DATAS ET. COL LECTION DATES DEPICTED ON FIGURE RAN GE FR OMMAY 201 0 TO MAY 20 17. PROPERTY B OUNDARY PROVIDED BY DUKE ENERGY C AROLINAS. AERIA L PHOTOGRAPHY OBTAINED FROM GOOGL E E ART H P RO ON AUGUST 2, 2 017 .AERIA L WAS COLL ECTED ON APRIL 8, 2 017 . 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). WATER SUPPLY WE LL SAMPL ED BY NCDEQ BET WE EN F EBRUARY 2 015 AND APR IL2017. FIGURE 10-55ISOCONCENTRATION MAPTOTAL DISSOLVED SOL IDS IN BEDROCKGROUNDWATERBELEWS CREEK STEAM STATIONDUKE EN ERG Y CA ROLI NAS, LLCBELEWS CREEK , NORTH CAROL INADRAWN BY: B. YOUNGPROJECT MANAGER: S. SPINNERCHECKED BY: A. ALBERT 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\B ele ws Creek Steam Statio n\M apDo cs\CSA _S upple ment_2 \Bele ws - Iso con centration M ap s.m xd 500 0 500 1,000250 GRAP HIC SCALE IN FEET &<DOWNG RADIEN T MONITOR ING WELL &<BAC KGRO UND MON ITO RING WELL &<ABAN DONED MO NITORIN G WEL L WATER SUPPLY WELL ASH BASIN WASTE BOUNDARY <STREAM (AMEC NRTR 2015 ) DESIGNATED EFFLUENT CHANNEL ASH BASIN C OMPL IANCE BOUNDARY LANDFIL L BOUND ARYSTRUCTURAL FI LL BOU NDARY LANDFIL L COMPLI ANCE BOUNDARY DUKE ENERG Y CAROL INAS BELEWS CREEK PLANTSITE BOUND ARY LEGEND NOT DETECTED ABOVE REPORTING LIMI TND TOTAL DISSOLVED SOLIDS CO NCENTRATI ON (mg/L)1 NOT SAMPL EDNS NORTH C AROLINA 2 L CONTOUR PBTV CONTOUR INTERMEDIATE CONTO UR <<<<<<<<< <<<<<<<<<<<<<<<&<&< &<&< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &<&< &< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &<&< ASH BASIN PINE HALLROAD LANDFILL STRUCTURALFILL BELEWS RESERVOIR M A R T IN L U T H E R K IN G J R R D OLD PLANTATION RD MIDDLETON LOOPP I N E H A L L R D 0.2AB-1S0.37 AB-3S0.6 AB-4SL*0.079 AB-5SL*0.062 AB-6S*0.016 AB-7S*1.8 AB-8SL*0.083 AB-9S0.082 BG-2S0.038 j,B BG-3S0.041 j GWA-1S0.29 GWA-2S0.048 j GWA-6S0.26 GWA-7SA0.07 j GWA-8S0.051 j GWA-10S0.26 GWA-11S0.36 GWA-12S0.023 j GWA-16S0.079 j,B GWA-17S0.037 j MW-104S0.06 j OB-48.39 AB-8S*4.8 GWA-19SA0.51 GWA-21S0.34 MW-103S0.18 GWA-18S0.16 GWA-18SA0.44GWA-19S0.38 GWA-20SA0.4 GWA-22S0.017 j GWA-26S0.068 j GWA-27S0.17 GWA-30S0.06 j GWA-31S0.019 j GWA-32S0.44 GWA-9S0.12 B AB-4S*ND AB-5S*ND GWA-5SND MW-1ND MW-3ND MW-4ND MW-5ND MW-6ND MW-200SND MW-202SND MW-203SND MW-204SND OB-5ND AB-6SL*ND GWA-23SNDMW-2ND GWA-3SND AB-2SNS GWA-24SNS BG-1SNS OB-1NS MW-7NS MW-102SNS MW-101SNS NOTES:THE INTERIM MAXIMUM ALLOWABLE CONCENTRATION (IMAC) FOR THALLIUM IS 0.2μg/L. PROVISIONAL BACKGROUND THRESHOLD VALUE IS SET AT REPORTING LIMIT OF 0.2μg/L. * ASH PORE WATER WELL DISPLAYED IN THE SHALLOW GROUNDWATER UNIT FORUSE IN CONTOURING. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. † CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC PBTV BUT WITHIN THEBACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGICSETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENTMIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THEASH BASIN. CONCENTRATIONS REPORTED ON FIGURE REPRESENT MOST RECENT VALIDSAMPLE RESULTS FOR EACH WELL. DATA WITH HIGH TURBIDITY (>10 NTU) ORRESULTS THAT INDICATE GROUT CONTAMINATION OF THE WELL (PH>9) HAVE BEENREMOVED FROM DATASET. COLLECTION DATES DEPICTED ON FIGURE RANGE FROMMAY 2010 TO MAY 2017. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON AUGUST 2, 2017.AERIAL WAS COLLECTED ON APRIL 8, 2017. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83/2011). FIGURE 10-56ISOCONCENTRATION MAPTHALLIUM IN SHALLOW GROUNDWATERBELEWS CREEK STEAM STATIONDUKE ENERGY CAROLINAS, LLCBELEWS CREEK, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: S. SPINNERCHECKED BY: A. ALBERT DATE: 10/18/2017 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Belews Creek Steam Station\MapDocs\CSA_Supplement_2\Belews - Isoconcentration Maps.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET &<DOWNGRADIENT MONITORING WELL &<BACKGROUND MONITORING WELL &<ABANDONED MONITORING WELL WATER SUPPLY WELL ASH BASIN WASTE BOUNDARY <STREAM (AMEC NRTR 2015) DESIGNATED EFFLUENT CHANNEL ASH BASIN COMPLIANCE BOUNDARY LANDFILL BOUNDARY STRUCTURAL FILL BOUNDARY LANDFILL COMPLIANCE BOUNDARY DUKE ENERGY CAROLINAS BELEWS CREEK PLANTSITE BOUNDARY LEGEND NOT DETECTED ABOVE REPORTING LIMITND TOTAL THALLIUM CONCENTRATION (μg/L)1 NOT SAMPLEDNS IMAC CONTOUR PBTV CONTOUR INTERMEDIATE CONTOUR <<<<<<<<< <<<<<<<<<<<<<<<&<&< &< &< &< &< &< &< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &<&< ASH BASIN PINE HALLROAD LANDFILL STRUCTURALFILL BELEWS RESERVOIR M A R T IN L U T H E R K IN G J R R D OLD PLANTATION RD MIDDLETON LOOPP IN E H A L L R D 0.2AB-1D0.35 AB-4D0.037 AB-5D0.018 AB-8D0.027 BG-1D0.56 jGWA-1D0.022 j GWA-4D0.046 j GWA-8D0.039 j GWA-10DA0.061 j,B MW-103D2 AB-2D0.54GWA-20D0.2 GWA-21D0.29 GWA-26D0.027 j GWA-27D0.46 j AB-3DND AB-6DND AB-7DND AB-9DND BG-2DND BG-3DND GWA-2DND GWA-3DND GWA-5DND GWA-6DND GWA-7DND GWA-9DND GWA-11DND GWA-12DND GWA-16DAND GWA-17DND MW-104DND MW-200DND MW-201DND MW-202DND MW-203DND MW-204DND MW2-7ND MW2-9NDOB-9ND GWA-30DND GWA-31DND GWA-32DND GWA-18DND GWA-23DND GWA-24DND GWA-16DNS GWA-19DNS GWA-22DNS MW2-2NS MW2-3NS MW2-4NS MW2-5NS MW2-1NS SFMW-1DNS SFMW-2DNS SFMW-3DNS SFMW-4DNS SFMW-5DNS MW-101DNS MW-102DNS NOTES:THE INTERIM MAXIMUM ALLOWABLE CONCENTRATION (IMAC) FOR THALLIUM IS 0.2μg/L. PROVISIONAL BACKGROUND THRESHOLD VALUE IS SET AT REPORTING LIMIT OF 0.2μg/L. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. † CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC PBTV BUT WITHIN THEBACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGICSETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENTMIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THEASH BASIN. CONCENTRATIONS REPORTED ON FIGURE REPRESENT MOST RECENT VALIDSAMPLE RESULTS FOR EACH WELL. DATA WITH HIGH TURBIDITY (>10 NTU) ORRESULTS THAT INDICATE GROUT CONTAMINATION OF THE WELL (PH>9) HAVE BEENREMOVED FROM DATASET. COLLECTION DATES DEPICTED ON FIGURE RANGE FROMMAY 2010 TO MAY 2017. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON AUGUST 2, 2017.AERIAL WAS COLLECTED ON APRIL 8, 2017. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83/2011). FIGURE 10-57ISOCONCENTRATION MAPTHALLIUM IN DEEP GROUNDWATERBELEWS CREEK STEAM STATIONDUKE ENERGY CAROLINAS, LLCBELEWS CREEK, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: S. SPINNERCHECKED BY: A. ALBERT DATE: 10/18/2017 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Belews Creek Steam Station\MapDocs\CSA_Supplement_2\Belews - Isoconcentration Maps.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET &<DOWNGRADIENT MONITORING WELL &<BACKGROUND MONITORING WELL &<ABANDONED MONITORING WELL WATER SUPPLY WELL ASH BASIN WASTE BOUNDARY <STREAM (AMEC NRTR 2015) DESIGNATED EFFLUENT CHANNEL ASH BASIN COMPLIANCE BOUNDARY LANDFILL BOUNDARY STRUCTURAL FILL BOUNDARY LANDFILL COMPLIANCE BOUNDARY DUKE ENERGY CAROLINAS BELEWS CREEK PLANTSITE BOUNDARY LEGEND NOT DETECTED ABOVE REPORTING LIMITND TOTAL THALLIUM CONCENTRATION (μg/L)1 NOT SAMPLEDNS IMAC CONTOUR PBTV CONTOUR INTERMEDIATE CONTOUR <<<<<<<<< <<<<<<<<<<<<<<<&< &< &< &< &< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< ASH BASIN PINE HALLROAD LANDFILL STRUCTURALFILL BELEWS RESERVOIR M A R T IN L U T H E R K IN G J R R D OLD PLANTATION RD MIDDLETON LOOPPINE HALL RDBG-2BRAND GWA-12BRND MW-1DND MW-200BRND MW-202BRND MW-203BRND AB-4BRND AB-9BRND MW-201BRND GWA-9BRND GWA-24BRND BC-1007ND BC2 Well 1NDBC2 Well 2ND BC2019-RAWND BC4 Well ANDBC4 Well BND BC1ND BC10ND BC13ND BC14ND BC15ND BC17ND BC18ND BC19ND BC24ND BC33ND BC34ND BC35ND BC5ND BC6ND BC8R2ND BC9ND BC2000-RAWND BC2004-RAWND BC2021-RAWND BC2026-RAWND BC-1000ND BC-1001ND BC-1002ND BC-1003NDBC-1004ND BC-1005ND BC-1006ND BC20ND BC25ND BC26ND BC30ND BC31ND BC7ND BC8ND GWA-25BRNS MW-104BRNS AB-1BRNS AB-4BRDNS AB-9BRDNS GWA-5BRNS GWA-16BRNS GWA-20BRNS GWA-26BRNS GWA-27BRNSGWA-19BRNS NOTES:THE INTERIM MAXIMUM ALLOWABLE CONCENTRATION (IMAC) FOR THALLIUM IS 0.2μg/L. PROVISIONAL BACKGROUND THRESHOLD VALUE IS 0.1 µg/L. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. † CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC PBTV BUT WITHIN THEBACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGICSETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENTMIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THEASH BASIN. CONCENTRATIONS REPORTED ON FIGURE REPRESENT MOST RECENT VALIDSAMPLE RESULTS FOR EACH WELL. DATA WITH HIGH TURBIDITY (>10 NTU) ORRESULTS THAT INDICATE GROUT CONTAMINATION OF THE WELL (PH>9) HAVE BEENREMOVED FROM DATASET. COLLECTION DATES DEPICTED ON FIGURE RANGE FROMMAY 2010 TO MAY 2017. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON AUGUST 2, 2017.AERIAL WAS COLLECTED ON APRIL 8, 2017. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83/2011). WATER SUPPLY WELL SAMPLED BY NCDEQ BETWEEN FEBRUARY 2015 AND APRIL2017. FIGURE 10-58ISOCONCENTRATION MAPTHALLIUM IN BEDROCK GROUNDWATERBELEWS CREEK STEAM STATIONDUKE ENERGY CAROLINAS, LLCBELEWS CREEK, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: S. SPINNERCHECKED BY: A. ALBERT DATE: 10/18/2017 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Belews Creek Steam Station\MapDocs\CSA_Supplement_2\Belews - Isoconcentration Maps.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET &<DOWNGRADIENT MONITORING WELL &<BACKGROUND MONITORING WELL &<ABANDONED MONITORING WELL WATER SUPPLY WELL ASH BASIN WASTE BOUNDARY <STREAM (AMEC NRTR 2015) DESIGNATED EFFLUENT CHANNEL ASH BASIN COMPLIANCE BOUNDARY LANDFILL BOUNDARY STRUCTURAL FILL BOUNDARY LANDFILL COMPLIANCE BOUNDARY DUKE ENERGY CAROLINAS BELEWS CREEK PLANTSITE BOUNDARY LEGEND NOT DETECTED ABOVE REPORTING LIMITND TOTAL THALLIUM CONCENTRATION (μg/L)1 NOT SAMPLEDNS IMAC CONTOUR PBTV CONTOUR INTERMEDIATE CONTOUR <<<<<<<<< <<<<<<<<<<<<<<<&<&< &<&< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &<&< &< &< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &<&< ASH BASIN PINE HALLROAD LANDFILL STRUCTURALFILL BELEWS RESERVOIR M A R T IN L U T H E R K IN G J R R D OLD PLANTATION RD M I D D L E T O N L O O P P I N E H A L L R D 1.33 1.3 3 AB-1S0.1 AB-3S1.2 AB-4S*0.25 AB-4SL*948 AB-5S*0.24 AB-5SL*194 AB-6S*1.8 AB-7S*0.14 AB-8SL*12.8 AB-9S0.2 BG-2S1.3 BG-3S1.2 GWA-1S1.4 GWA-2S0.66 B GWA-5S0.4 GWA-6S1 GWA-7SA0.69 GWA-8S0.34 GWA-10S0.16 j GWA-11S0.59 GWA-12S0.23 j GWA-17S0.8 MW-10.531 j MW-30.49 B MW-43.36 MW-50.947 j MW-60.515 j MW-104S0.41 MW-200S0.432 MW-202S0.697 MW-203S0.321 MW-204S0.439 OB-4203 OB-50.475 j AB-6SL*0.44 AB-8S*1.8 GWA-19SA0.42 GWA-23S0.79MW-20.58 j GWA-18S0.38 GWA-18SA0.1 j GWA-19S0.35 GWA-22S0.54 GWA-26S0.2 j GWA-27S0.08 j GWA-30S0.24 j,B GWA-31S0.86 GWA-9S0.29 j GWA-3S1.6 GWA-16SND GWA-21SND MW-7ND MW-103SND GWA-20SAND GWA-32SND AB-2SNS GWA-24SNS BG-1SNS OB-1NS MW-102SNS MW-101SNS NOTES:THE INTERIM MAXIMUM ALLOWABLE CONCENTRATION (IMAC) FOR VANADIUM IS 0.3μg/L. PROVISIONAL BACKGROUND THRESHOLD VALUE IS 1.33 µg/L. * ASH PORE WATER WELL DISPLAYED IN THE SHALLOW GROUNDWATER UNIT FORUSE IN CONTOURING. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. † CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC PBTV BUT WITHIN THEBACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGICSETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENTMIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THEASH BASIN. CONCENTRATIONS REPORTED ON FIGURE REPRESENT MOST RECENT VALIDSAMPLE RESULTS FOR EACH WELL. DATA WITH HIGH TURBIDITY (>10 NTU) ORRESULTS THAT INDICATE GROUT CONTAMINATION OF THE WELL (PH>9) HAVE BEENREMOVED FROM DATASET. COLLECTION DATES DEPICTED ON FIGURE RANGE FROMMAY 2010 TO MAY 2017. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON AUGUST 2, 2017.AERIAL WAS COLLECTED ON APRIL 8, 2017. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83/2011). FIGURE 10-59ISOCONCENTRATION MAPVANADIUM IN SHALLOW GROUNDWATERBELEWS CREEK STEAM STATIONDUKE ENERGY CAROLINAS, LLCBELEWS CREEK, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: S. SPINNERCHECKED BY: A. ALBERT DATE: 10/18/2017 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Belews Creek Steam Station\MapDocs\CSA_Supplement_2\Belews - Isoconcentration Maps.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET &<DOWNGRADIENT MONITORING WELL &<BACKGROUND MONITORING WELL &<ABANDONED MONITORING WELL WATER SUPPLY WELL ASH BASIN WASTE BOUNDARY <STREAM (AMEC NRTR 2015) DESIGNATED EFFLUENT CHANNEL ASH BASIN COMPLIANCE BOUNDARY LANDFILL BOUNDARY STRUCTURAL FILL BOUNDARY LANDFILL COMPLIANCE BOUNDARY DUKE ENERGY CAROLINAS BELEWS CREEK PLANTSITE BOUNDARY LEGEND NOT DETECTED ABOVE REPORTING LIMITND TOTAL VANADIUM CONCENTRATION (μg/L)1 NOT SAMPLEDNS IMAC CONTOUR PBTV CONTOUR INTERMEDIATE CONTOUR <<<<<<<<< <<<<<<<<<<<<<<<&<&< &< &< &< &< &< &< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &<&< ASH BASIN PINE HALLROAD LANDFILL STRUCTURALFILL BELEWS RESERVOIR M A R T IN L U T H E R K IN G J R R D OLD PLANTATION RD MIDDLETON LOOPP IN E H A L L R D 1.45 AB-1D0.15 AB-3D0.38 AB-4D5.8 AB-5D3.7 AB-6D3.4 AB-7D0.84AB-8D0.23 AB-9D0.4 BG-1D0.93 j BG-2D1.2 BG-3D0.57 GWA-1D0.61 GWA-2D0.51 B GWA-3D1 GWA-4D0.99 GWA-5D0.89 GWA-6D0.41 B GWA-7D2.3 GWA-8D0.29 j GWA-9D0.55 GWA-10DA0.74 GWA-11D0.41 GWA-12D0.53 GWA-16DA0.54 GWA-17D0.13 j MW-104D4.1 MW-200D0.323 MW-201D1.61 MW-202D1.04 MW-203D3.93 MW2-70.455 j MW2-91.8 OB-90.138 j AB-2D0.21 j GWA-30D1.9 GWA-31D0.22 j,B GWA-18D0.88 GWA-23D0.42 GWA-24D0.28 j,B GWA-26D0.18 j MW-103DND MW-204DND GWA-32DND GWA-20DND GWA-21DND GWA-27DND GWA-16DNS GWA-19DNS GWA-22DNS MW2-2NS MW2-3NS MW2-4NS MW2-5NS MW2-1NS SFMW-1DNS SFMW-2DNS SFMW-3DNS SFMW-4DNS SFMW-5DNS MW-101DNS MW-102DNS NOTES:THE INTERIM MAXIMUM ALLOWABLE CONCENTRATION (IMAC) FOR VANADIUM IS 0.3μg/L. PROVISIONAL BACKGROUND THRESHOLD VALUE IS 1.45 µg/L. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. † CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC PBTV BUT WITHIN THEBACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGICSETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENTMIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THEASH BASIN. CONCENTRATIONS REPORTED ON FIGURE REPRESENT MOST RECENT VALIDSAMPLE RESULTS FOR EACH WELL. DATA WITH HIGH TURBIDITY (>10 NTU) ORRESULTS THAT INDICATE GROUT CONTAMINATION OF THE WELL (PH>9) HAVE BEENREMOVED FROM DATASET. COLLECTION DATES DEPICTED ON FIGURE RANGE FROMMAY 2010 TO MAY 2017. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON AUGUST 2, 2017.AERIAL WAS COLLECTED ON APRIL 8, 2017. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83/2011). FIGURE 10-60ISOCONCENTRATION MAPVANADIUM IN DEEP GROUNDWATERBELEWS CREEK STEAM STATIONDUKE ENERGY CAROLINAS, LLCBELEWS CREEK, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: S. SPINNERCHECKED BY: A. ALBERT DATE: 10/18/2017 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Belews Creek Steam Station\MapDocs\CSA_Supplement_2\Belews - Isoconcentration Maps.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET &<DOWNGRADIENT MONITORING WELL &<BACKGROUND MONITORING WELL &<ABANDONED MONITORING WELL WATER SUPPLY WELL ASH BASIN WASTE BOUNDARY <STREAM (AMEC NRTR 2015) DESIGNATED EFFLUENT CHANNEL ASH BASIN COMPLIANCE BOUNDARY LANDFILL BOUNDARY STRUCTURAL FILL BOUNDARY LANDFILL COMPLIANCE BOUNDARY DUKE ENERGY CAROLINAS BELEWS CREEK PLANTSITE BOUNDARY LEGEND NOT DETECTED ABOVE REPORTING LIMITND TOTAL VANADIUM CONCENTRATION (μg/L)1 NOT SAMPLEDNS IMAC CONTOUR PBTV CONTOUR INTERMEDIATE CONTOUR <<<<<<<<< <<<<<<<<<<<<<<<&< &< &< &< &< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< ASH BASIN PINE HALLROAD LANDFILL STRUCTURALFILL BELEWS RESERVOIR M A R T IN L U T H E R K IN G J R R D OLD PLANTATION RD MIDDLETON LOOPPINE HALL RD0.82BG-2BRA0.64 B GWA-12BR0.39 MW-1D0.454 j MW-200BR0.16 j,B MW-202BR0.48 MW-203BR3 AB-4BR2.8 AB-9BR0.1 j MW-201BR0.16 j GWA-9BR0.4 GWA-24BR0.6 B BC2019-RAW0.32 BC4 Well A†2.4 BC4 Well B0.58 BC13†4.8 BC18†1 BC2026-RAW†1.6 BC-10010.46 BC-10030.37 BC-10060.68 BC-1007ND BC2 Well 1ND BC2 Well 2ND BC1ND BC10ND BC14ND BC15ND BC17ND BC19ND BC24ND BC33ND BC34ND BC35ND BC5ND BC6ND BC8R2ND BC9ND BC2000-RAWND BC2004-RAWND BC2021-RAWND BC-1000ND BC-1002ND BC-1004ND BC-1005ND BC20ND BC25ND BC26ND BC30ND BC31ND BC7ND BC8ND GWA-25BRNS MW-104BRNS AB-1BRNS AB-4BRDNS AB-9BRDNS GWA-5BRNS GWA-16BRNS GWA-20BRNS GWA-26BRNS GWA-27BRNS GWA-19BRNS NOTES:THE INTERIM MAXIMUM ALLOWABLE CONCENTRATION (IMAC) FOR VANADIUM IS 0.3μg/L. PROVISIONAL BACKGROUND THRESHOLD VALUE IS 0.82 µg/L. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. † CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC PBTV BUT WITHIN THEBACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGICSETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENTMIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THEASH BASIN. CONCENTRATIONS REPORTED ON FIGURE REPRESENT MOST RECENT VALIDSAMPLE RESULTS FOR EACH WELL. DATA WITH HIGH TURBIDITY (>10 NTU) ORRESULTS THAT INDICATE GROUT CONTAMINATION OF THE WELL (PH>9) HAVE BEENREMOVED FROM DATASET. COLLECTION DATES DEPICTED ON FIGURE RANGE FROMMAY 2010 TO MAY 2017. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON AUGUST 2, 2017.AERIAL WAS COLLECTED ON APRIL 8, 2017. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83/2011). WATER SUPPLY WELL SAMPLED BY NCDEQ BETWEEN FEBRUARY 2015 AND APRIL2017. FIGURE 10-61ISOCONCENTRATION MAPVANADIUM IN BEDROCK GROUNDWATERBELEWS CREEK STEAM STATIONDUKE ENERGY CAROLINAS, LLCBELEWS CREEK, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: S. SPINNERCHECKED BY: A. ALBERT DATE: 10/18/2017 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Belews Creek Steam Station\MapDocs\CSA_Supplement_2\Belews - Isoconcentration Maps.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET &<DOWNGRADIENT MONITORING WELL &<BACKGROUND MONITORING WELL &<ABANDONED MONITORING WELL WATER SUPPLY WELL ASH BASIN WASTE BOUNDARY <STREAM (AMEC NRTR 2015) DESIGNATED EFFLUENT CHANNEL ASH BASIN COMPLIANCE BOUNDARY LANDFILL BOUNDARY STRUCTURAL FILL BOUNDARY LANDFILL COMPLIANCE BOUNDARY DUKE ENERGY CAROLINAS BELEWS CREEK PLANTSITE BOUNDARY LEGEND NOT DETECTED ABOVE REPORTING LIMITND TOTAL VANADIUM CONCENTRATION (μg/L)1 NOT SAMPLEDNS IMAC CONTOUR PBTV CONTOUR INTERMEDIATE CONTOUR <<<<<<<<< <<<<<<<<<<<<<<<&<&< &<&< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &<&< &< &< &< &< &< &< &< &< &< &<&< &< &< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< ASH BASIN PINE HALLROAD LANDFILL STRUCTURALFILL BELEWS RESERVOIR M A R T IN L U T H E R K IN G J R R D OLD PLANTATION RD M I D D L E T O N L O O P P I N E H A L L R D AB-1S5.8 AB-3S6.2 AB-4S*7.0 AB-4SL*11.1 AB-5S*8.6 AB-5SL*10.1 AB-6S*6.9 AB-7S*5.3 AB-8SL*6.8 AB-9S5.2 BG-2S5.8 BG-3S5.5 GWA-1S4.8 GWA-2S5.3 GWA-5S5.8 GWA-6S4.9 GWA-7SA4.7 GWA-8S5.3 GWA-10S4.5 GWA-11S4.5 GWA-12S5.8 GWA-16S4.9 GWA-17S5.4 MW-14.9 MW-35.6 MW-46.0 MW-55.6 MW-65.4 MW-102S4.8 MW-104S5.4 MW-200S5.1 MW-202S5.6 MW-203S5.5 MW-204S5.5 OB-47.1 OB-55.2 AB-6SL*6.6 AB-8S*5.8 GWA-19SA4.2 GWA-21S4.7 GWA-23S5.5MW-25.8 MW-75.3 MW-103S6.5 GWA-18S5.8GWA-18SA5.7 GWA-19S4.2 GWA-20SA4.9 GWA-22S5.8 GWA-26S5.6 GWA-27S4.5 GWA-30S5.3 GWA-31S5.0 GWA-32S6.3 GWA-9S5.1 GWA-3S5.9 GWA-24SNS BG-1SNS AB-2SNS OB-1NS MW-101SNS NOTES:THE NORTH CAROLINA 2L FOR pH IS 6.5-8.5 S.U. PROVISIONAL BACKGROUND THRESHOLD VALUE IS 5.1 - 6.0 S.U. * ASH PORE WATER WELL DISPLAYED IN THE SHALLOW GROUNDWATER UNIT FORUSE IN CONTOURING. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. † CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC PBTV BUT WITHIN THEBACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGICSETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENTMIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THEASH BASIN. CONCENTRATIONS REPORTED ON FIGURE REPRESENT MOST RECENT VALIDSAMPLE RESULTS FOR EACH WELL. DATA WITH HIGH TURBIDITY (>10 NTU) ORRESULTS THAT INDICATE GROUT CONTAMINATION OF THE WELL (PH>9) HAVE BEENREMOVED FROM DATASET. COLLECTION DATES DEPICTED ON FIGURE RANGE FROMMAY 2010 TO MAY 2017. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON AUGUST 2, 2017.AERIAL WAS COLLECTED ON APRIL 8, 2017. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83/2011). FIGURE 10-62ISOCONCENTRATION MAPpH IN SHALLOW GROUNDWATERBELEWS CREEK STEAM STATIONDUKE ENERGY CAROLINAS, LLCBELEWS CREEK, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: S. SPINNERCHECKED BY: A. ALBERT DATE: 10/18/2017 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Belews Creek Steam Station\MapDocs\CSA_Supplement_2\Belews - Isoconcentration Maps.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET &<DOWNGRADIENT MONITORING WELL &<BACKGROUND MONITORING WELL &<ABANDONED MONITORING WELL WATER SUPPLY WELL ASH BASIN WASTE BOUNDARY <STREAM (AMEC NRTR 2015) DESIGNATED EFFLUENT CHANNEL ASH BASIN COMPLIANCE BOUNDARY LANDFILL BOUNDARY STRUCTURAL FILL BOUNDARY LANDFILL COMPLIANCE BOUNDARY DUKE ENERGY CAROLINAS BELEWS CREEK PLANTSITE BOUNDARY LEGEND NOT DETECTED ABOVE REPORTING LIMITND pH CONCENTRATION (S.U.)1 NOT SAMPLEDNS NORTH CAROLINA 2L CONTOUR PBTV CONTOUR INTERMEDIATE CONTOUR <<<<<<<<< <<<<<<<<<<<<<<<&<&< &< &< &< &< &< &< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &<&<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &<&< &< &< &< &< &< &< &< &< ASH BASIN PINE HALLROAD LANDFILL STRUCTURALFILL BELEWS RESERVOIR M A R T IN L U T H E R K IN G J R R D OLD PLANTATION RD MIDDLETON LOOPP IN E H A L L R D AB-1D5.3 AB-3D7.3 AB-4D6.2 AB-5D6.6 AB-6D6.6 AB-7D6.7AB-8D5.9 AB-9D6.9 BG-1D6.9 BG-2D6.4 BG-3D6.1 GWA-1D6.5 GWA-2D6.2 GWA-3D6.1 GWA-4D6.4 GWA-5D7.0 GWA-6D7.4 GWA-7D7.8 GWA-8D6.9 GWA-9D6.2 GWA-10DA7.0 GWA-11D5.0 GWA-12D6.1 GWA-16DA6.8 GWA-17D6.9 MW-101D5.0 MW-102D7.1 MW-103D4.7 MW-104D6.8 MW-200D6.1 MW-201D6.1 MW-202D5.9 MW-203D6.4 MW-204D5.4 MW2-75.1 MW2-95.9OB-95.0 AB-2D5.7 GWA-30D5.3 GWA-31D6.9 GWA-32D7.3 GWA-18D6.8 GWA-20D5.1 GWA-21D5.0 GWA-23D6.6 GWA-24D5.5 GWA-26D6.1 GWA-27D5.7 MW2-2NS MW2-3NS MW2-4NS MW2-5NS GWA-22DNS GWA-16DNS GWA-19DNS MW2-1NS SFMW-1DNS SFMW-2DNS SFMW-3DNS SFMW-4DNS SFMW-5DNS NOTES:THE NORTH CAROLINA 2L FOR pH IS 6.5-8.5 S.U. PROVISIONAL BACKGROUND THRESHOLD VALUE IS 5.2 - 7.0 S.U. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. † CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC PBTV BUT WITHIN THEBACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGICSETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENTMIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THEASH BASIN. CONCENTRATIONS REPORTED ON FIGURE REPRESENT MOST RECENT VALIDSAMPLE RESULTS FOR EACH WELL. DATA WITH HIGH TURBIDITY (>10 NTU) ORRESULTS THAT INDICATE GROUT CONTAMINATION OF THE WELL (PH>9) HAVE BEENREMOVED FROM DATASET. COLLECTION DATES DEPICTED ON FIGURE RANGE FROMMAY 2010 TO MAY 2017. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON AUGUST 2, 2017.AERIAL WAS COLLECTED ON APRIL 8, 2017. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83/2011). FIGURE 10-63ISOCONCENTRATION MAPpH IN DEEP GROUNDWATERBELEWS CREEK STEAM STATIONDUKE ENERGY CAROLINAS, LLCBELEWS CREEK, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: S. SPINNERCHECKED BY: A. ALBERT DATE: 10/18/2017 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Belews Creek Steam Station\MapDocs\CSA_Supplement_2\Belews - Isoconcentration Maps.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET &<DOWNGRADIENT MONITORING WELL &<BACKGROUND MONITORING WELL &<ABANDONED MONITORING WELL WATER SUPPLY WELL ASH BASIN WASTE BOUNDARY <STREAM (AMEC NRTR 2015) DESIGNATED EFFLUENT CHANNEL ASH BASIN COMPLIANCE BOUNDARY LANDFILL BOUNDARY STRUCTURAL FILL BOUNDARY LANDFILL COMPLIANCE BOUNDARY DUKE ENERGY CAROLINAS BELEWS CREEK PLANTSITE BOUNDARY LEGEND NOT DETECTED ABOVE REPORTING LIMITND pH CONCENTRATION (S.U.)1 NOT SAMPLEDNS NORTH CAROLINA 2L CONTOUR PBTV CONTOUR INTERMEDIATE CONTOUR <<<<<<<<< <<<<<<<<<<<<<<<&< &< &< &< &< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< ASH BASIN PINE HALLROAD LANDFILL STRUCTURALFILL BELEWS RESERVOIR M A R T IN L U T H E R K IN G J R R DOLD PL ANT AT I ON RDMIDDLETON LOOPPINE HALL RDBG-2BRA†7.6 GWA-12BR7.9 MW-1D6.4 MW-200BR7.3 MW-202BR6.4 MW-203BR6.7 AB-4BR7.9 AB-9BR7.6 MW-201BR7.9 GWA-9BR6.1 GWA-24BR7.8 BC-10076.3 BC2 Well 1†6.6 BC2 Well 2†6.7 BC2019-RAW†6.9 BC4 Well A†7.3 BC4 Well B†6.9 BC1†7.7 BC10†8.1 BC13†7.5 BC14†6.0 BC15†6.2 BC17†2.6 BC186.3 BC19†6.6 BC246.3 BC33†7.3 BC34†6.5 BC35†7.1 BC5†5.3 BC6†6.1 BC8R26.3 BC9†6.5 BC2000-RAW†6.7 BC2004-RAW6.4 BC2021-RAW†6.5 BC2026-RAW†6.7 BC-1000†7.9 BC-10016.3 BC-10025.3 BC-10036.2 BC-10045.9 BC-1005†6.6 BC-10066.0 BC20†7.1 BC25†6.5 BC265.9 BC30†7.1 BC31†7.4 BC7†8.0 BC86.3 GWA-25BRNS MW-104BRNS GWA-19BRNS AB-1BRNS AB-4BRDNS AB-9BRDNS GWA-05BRNS GWA-16BRNS GWA-20BRNS GWA-26BRNS GWA-27BRNS NOTES:THE NORTH CAROLINA 2L FOR pH IS 6.5-8.5 S.U. PROVISIONAL BACKGROUND THRESHOLD VALUE IS 6.3 - 6.5 S.U. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. † CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC PBTV BUT WITHIN THEBACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGICSETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENTMIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THEASH BASIN. CONCENTRATIONS REPORTED ON FIGURE REPRESENT MOST RECENT VALIDSAMPLE RESULTS FOR EACH WELL. DATA WITH HIGH TURBIDITY (>10 NTU) ORRESULTS THAT INDICATE GROUT CONTAMINATION OF THE WELL (PH>9) HAVE BEENREMOVED FROM DATASET. COLLECTION DATES DEPICTED ON FIGURE RANGE FROMMAY 2010 TO MAY 2017. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON AUGUST 2, 2017.AERIAL WAS COLLECTED ON APRIL 8, 2017. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83/2011). WATER SUPPLY WELL SAMPLED BY NCDEQ BETWEEN FEBRUARY 2015 AND APRIL2017. FIGURE 10-64ISOCONCENTRATION MAPpH IN BEDROCK GROUNDWATERBELEWS CREEK STEAM STATIONDUKE ENERGY CAROLINAS, LLCBELEWS CREEK, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: S. SPINNERCHECKED BY: A. ALBERT DATE: 10/18/2017 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Belews Creek Steam Station\MapDocs\CSA_Supplement_2\Belews - Isoconcentration Maps.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET &<DOWNGRADIENT MONITORING WELL &<BACKGROUND MONITORING WELL &<ABANDONED MONITORING WELL WATER SUPPLY WELL ASH BASIN WASTE BOUNDARY <STREAM (AMEC NRTR 2015) DESIGNATED EFFLUENT CHANNEL ASH BASIN COMPLIANCE BOUNDARY LANDFILL BOUNDARY STRUCTURAL FILL BOUNDARY LANDFILL COMPLIANCE BOUNDARY DUKE ENERGY CAROLINAS BELEWS CREEK PLANTSITE BOUNDARY LEGEND NOT DETECTED ABOVE REPORTING LIMITND pH CONCENTRATION (S.U.)1 NOT SAMPLEDNS NORTH CAROLINA 2L CONTOUR PBTV CONTOUR INTERMEDIATE CONTOUR 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com DRAWN BY: D. Youngblood PROJECT MANAGER: S. Spinner LAYOUT: A. Albert DATE: September 2017 P:\Duke Energy Carolinas\20. BELEWS CREEK\CSA UPDATE OCT 2017\FIGURES\COI Distance Plots\COI vs Distance.pptx 15 NCAC 02L Standard or IMAC LEGEND Shallow (AB-4S, GWA-1S, MW-200S) Deep (AB-4D, MW-200D, GWA-24D) Bedrock (AB-4BR, MW-200BR, GWA-24BR) 0 50 100 150 200 250 300 350 0 2000 4000Chloride Concentration (mg/L) Distance from Source (ft) Chloride 0.0 0.2 0.4 0.6 0.8 1.0 1.2 0 1000 2000 3000 4000 5000Antimony Concentration (µg/L) Distance from Source (ft) Antimony 0 20 40 60 80 100 0 2000 4000Arsenic Concentration (µg/L) Distance from Source (ft) Arsenic FIGURE 11-1 COI vs Distance Plots BELEWS CREEK STEAM STATION DUKE ENERGY CAROLINAS, LLC BELEWS CREEK, NORTH CAROLINA 070014002100280035004200490056006300700077008400 0 2000 4000Boron Concentration (µg/L) Distance from Source (ft) Boron 0 100 200 300 400 500 600 700 800 0 2000 4000Barium Concentration (µg/L) Distance from Source (ft) Barium 0 1 2 3 4 5 6 7 0 2000 4000Beryllium Concentration (µg/L) Distance from Source (ft) Beryllium 0 1 1 2 2 3 0 2000 4000Cadmium Concentration (µg/L) Distance from Source (ft) Cadmium 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: D. Youngblood PROJECT MANAGER: S. Spinner LAYOUT: A. Albert DATE: September 2017 P:\Duke Energy Carolinas\20. BELEWS CREEK\CSA UPDATE OCT 2017\FIGURES\COI Distance Plots\COI vs Distance.pptx 15 NCAC 02L Standard or IMAC LEGEND Shallow (AB-4S, GWA-1S, MW-200S) Deep (AB-4D, MW-200D, GWA-24D) Bedrock (AB-4BR, MW-200BR, GWA-24BR) 0 1 2 3 4 5 6 7 8 0 2000 4000Cobalt Concentration (µg/L) Distance from Source (ft) Cobalt 0 2000 4000 6000 8000 10000 12000 14000 0 2000 4000Iron Concentration (µg/L) Distance from Source (ft) Iron 0 200 400 600 800 1000 1200 1400 1600 0 2000 4000Manganese Concentration (µg/L) Distance from Source (ft) Manganese FIGURE 11-2 COI vs Distance Plots BELEWS CREEK STEAM STATION DUKE ENERGY CAROLINAS, LLC BELEWS CREEK, NORTH CAROLINA 0 50 100 150 200 250 300 350 0 2000 4000Chromium Concentration (µg/L) Distance from Source (ft) Chromium and Chromium (VI) 0 2 4 6 8 10 12 14 16 18 0 2000 4000Molybdenum Concentration (µg/L) Distance from Source (ft) Molybdenum 0.0 5.0 10.0 15.0 20.0 25.0 0 2000 4000Selenium Concentration (µg/L) Distance from Source (ft) Selenium 0 200 400 600 800 1000 1200 1400 1600 0 2000 4000Strontium Concentration (µg/L) Distance from Source (ft) Strontium Hexavalent Chromium 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: D. Youngblood PROJECT MANAGER: S. Spinner LAYOUT: A. Albert DATE: September 2017 P:\Duke Energy Carolinas\20. BELEWS CREEK\CSA UPDATE OCT 2017\FIGURES\COI Distance Plots\COI vs Distance.pptx FIGURE 11-3 COI vs Distance Plots BELEWS CREEK STEAM STATION DUKE ENERGY CAROLINAS, LLC BELEWS CREEK, NORTH CAROLINA 15 NCAC 02L Standard or IMAC LEGEND Shallow (AB-4S, GWA-1S, MW-200S) Deep (AB-4D, MW-200D, GWA-24D) Bedrock (AB-4BR, MW-200BR, GWA-24BR) 0.0 0.1 0.1 0.2 0.2 0.3 0.3 0.4 0 2000 4000Thallium Concentration (µg/L) Distance from Source (ft) Thallium 0 1 2 3 4 5 6 7 0 2000 4000Vanadium Concentration (µg/L) Distance from Source (ft) Vanadium 0 50 100 150 200 250 0 2000 4000Sulfate Concentration (mg/L) Distance from Source (ft) Sulfate 0 200 400 600 800 1000 1200 0 2000 4000TDS Concentration (mg/L) Distance from Source (ft) Total Dissolved Solids 4.0 5.0 6.0 7.0 8.0 9.0 10.0 0 2000 4000pH Distance from Source (ft) pH 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. A A' (SOUTH)(NORTH) SAPROLITE WATER IN BASIN SAPROLITE SAPROLITESAPROLITE BEDROCK BEDROCK BEDROCK ASH PORE WATER ASH FILL TRANSITION ZONE TRANSITION ZONE FILLBELEWS RESERVOIRDAN RIVER 0 100 200 600 HORIZONTAL SCALE: 1" = 600' VERTICAL SCALE: 1" = 120' 5X VERTICAL EXAGGERATIONMW-202SMW-202DMW-202BRGWA-12SGWA-12DGWA-12BRGWA-23SGWA-23DGWA-8SGWA-8DAB-9SAB-9DAB-9BRAB-9BRDAB-8SAB-8DAB-8SLAB-5SAB-5DAB-8SLAB-5GTBAB-2SAB-2DAB-2GTBMW-102SMW-102DMW-200SMW-200DMW-200BRGWA-24SGWA-24DGWA-24BR<1 <1 0.28 j <0.5 <0.5 0.27 j 0.170 j 0.28 j <0.5 0.32 j <0.5 2.80 0.16 j 0.13 j 1.20 <0.5 0.13 j 6.80 0.18 j 0.13 j <1 <1 <0.5 <0.5 0.85 1 1 1ACCESS ROADFILL A'A148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY: SCOTT SPINNER DATE:ADAM FEIGL AA-ANTIMONY 08/13/2017 10/30/2017 10:09 AM P:\Duke Energy Carolinas\20. BELEWS CREEK\CSA UPDATE OCT 2017\FIGURES\CrossSections\Belews_XSects_A-C_Analytical.dwg FIGURE 11-4 ANTIMONY ANALYTICAL RESULTS CROSS SECTION A-A' BELEWS CREEK STEAM STATION DUKE ENERGY CAROLINAS, LLC BELEWS CREEK, NORTH CAROLINA SOURCE INFORMATION: ORIGINAL CROSS SECTION BASE OBTAINED FROM HDR, CSA SUPPLEMENT 2, DATED AUGUST 2016. NOTES 1.DEPTH TO GROUNDWATER GAUGED IN MONITORING WELLS ON APRIL 3, 2017. 2.THE INTERIM MAXIMUM ALLOWABLE CONCENTRATION (IMAC) FOR ANTIMONY IS 1 μg/L. 3.BACKGROUND CONCENTRATION FOR ANITMONY IS 1 μg/L WITHIN THE SHALLOW AND DEEP FLOW LAYERS AND 0.5 μg/L WITHIN THE BEDROCK FLOW LAYER. 4.CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC BTV BUT WITHIN THE BACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGIC SETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENT MIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THE ASH BASIN. 2.14 CONCENTRATION IN µg/L ANTIMONY ISOPLETH IN µg/L (IMAC STANDARD = 1 µg/L) CAROLINAS GENERALIZED WATER TABLE ASH ASH PORE WATER MW-16BR MW-16D MW-12S ABMW-2 WELL IN DEEP ZONE WELL IN SHALLOW ZONE WELL IN COMPETENT BEDROCK WELL IN ASH PORE WATER LEGEND GENERALIZED GROUNDWATER FLOW DIRECTION BEDROCK MW-102S ABANDONED WELL/ GEOTECHNICAL BORING WEATHERED ROCK CROSS SECTION LOCATION NOTE: CROSS SECTION A-A' IS LINEAR IN NATURE AND ALL LOCATIONS NOT ALONG THE CROSS SECTION ARE PROJECTED ONTO THE CROSS SECTION.PINE HALL ROADPINE HALL ROAD ASH LANDFILL ASH BASIN MIDDLETON LOOP B B' (WEST)(EAST) ASH PORE WATER SAPROLITE SAPROLITESAPROLITE BEDROCK BEDROCK BEDROCK ASH ASH ASH PORE WATERTRANSITION ZONE TRANSITION ZONE TRANSITION ZONE MIDDLETON LOOP BELEWS RESERVOIR 0 100 200 600 HORIZONTAL SCALE: 1" = 600' VERTICAL SCALE: 1" = 120' 5X VERTICAL EXAGGERATION <0.5 0.1 j 0.38 j 0.19 j 9.3 <0.5 0.13 j 6.8 0.18 j <0.5 <0.5 <0.5 <0.5 0.19 j 0.13 j 0.22 j <0.5 <0.5 <0.5 <0.5 1 1GWA-17SGWA-17DGWA-16SGWA-16DGWA-16BRAB-4SLAB-4SAB-4BRAB-4DAB-4BRDAB-5SLAB-5SAB-5GTBAB-5DAB-6SLAB-6SAB-6GTBAB-6DGWA-5BR2GWA-5BRGWA-5DGWA-5GTBGWA-5SGWA-4DGWA-22SGWA-22DGWA-3SGWA-3DASH BASIN BRANCHWATER IN BASIN B B' 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY: SCOTT SPINNER DATE:ADAM FEIGL BB-ANTIMONY 08/13/2017 10/30/2017 10:09 AM P:\Duke Energy Carolinas\20. BELEWS CREEK\CSA UPDATE OCT 2017\FIGURES\CrossSections\Belews_XSects_A-C_Analytical.dwg FIGURE 11-5 ANTIMONY ANALYTICAL RESULTS CROSS SECTION B-B' BELEWS CREEK STEAM STATION DUKE ENERGY CAROLINAS, LLC BELEWS CREEK, NORTH CAROLINACROSS SECTION LOCATION NOTE: CROSS SECTION B-B' IS LINEAR IN NATURE AND ALL LOCATIONS NOT ALONG THE CROSS SECTION ARE PROJECTED ONTO THE CROSS SECTION.PINE HALL ROADPINE HALL ROAD ASH LANDFILL ASH BASIN MIDDLETON LOOPSOURCE INFORMATION: ORIGINAL CROSS SECTION BASE OBTAINED FROM HDR, CSA SUPPLEMENT 2, DATED AUGUST 2016. NOTES 1.DEPTH TO GROUNDWATER GAUGED IN MONITORING WELLS ON APRIL 3, 2017. 2.THE INTERIM MAXIMUM ALLOWABLE CONCENTRATION (IMAC) FOR ANTIMONY IS 1 μg/L. 3.BACKGROUND CONCENTRATION FOR ANITMONY IS 1 μg/L WITHIN THE SHALLOW AND DEEP FLOW LAYERS AND 0.5 μg/L WITHIN THE BEDROCK FLOW LAYER. 4.CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC BTV BUT WITHIN THE BACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGIC SETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENT MIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THE ASH BASIN. 2.14 CONCENTRATION IN µg/L ANTIMONY ISOPLETH IN µg/L (IMAC STANDARD = 1 µg/L) CAROLINAS GENERALIZED WATER TABLE ASH ASH PORE WATER MW-16BR MW-16D MW-12S ABMW-2 WELL IN DEEP ZONE WELL IN SHALLOW ZONE WELL IN COMPETENT BEDROCK WELL IN ASH PORE WATER LEGEND GENERALIZED GROUNDWATER FLOW DIRECTION BEDROCK MW-102S ABANDONED WELL/ GEOTECHNICAL BORING WEATHERED ROCK 0 100 200 600 HORIZONTAL SCALE: 1" = 600' VERTICAL SCALE: 1" = 120' 5X VERTICAL EXAGGERATION <0.5 <0.5 NS 0.18 j <0.5 <0.5 1.2 <0.5 <1 <1 0.13 j <0.5 <0.5 <0.5 0.1 j <0.5 0.2 j 0.18 j <5 <0.5 0.160 j 0.55 1.6 <1 <0.5 <1 11 C C' (SOUTH)(NORTH) SAPROLITE SAPROLITE SAPROLITE BEDROCK BEDROCK BEDROCK BEDROCK TRANSITION ZONE TRANSITION ZONEMIDDLETON LOOPPINE HALL ROADGWA-26SGWA-26DGWA-26BRBG-3SBG-3DGWA-25BRTRANSITION ZONE GWA-9SGWA-9DGWA-9BRMW-203SMW-203DMW-203BRGWA-16SGWA-16DGWA-16BRGWA-17SGWA-17DGWA-10SGWA-10DGWA-27SGWA-27DGWA-27BRGWA-11SGWA-11DGWA-1SGWA-1DMW-200SMW-200DMW-200BRDAN RIVER ASH BASIN BRANCHC'C148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY: SCOTT SPINNER DATE:ADAM FEIGL CC-ANTIMONY 08/13/2017 10/30/2017 11:24 AM P:\Duke Energy Carolinas\20. BELEWS CREEK\CSA UPDATE OCT 2017\FIGURES\CrossSections\Belews_XSects_A-C_Analytical.dwg FIGURE 11-6 ANTIMONY ANALYTICAL RESULTS CROSS SECTION C-C' BELEWS CREEK STEAM STATION DUKE ENERGY CAROLINAS, LLC BELEWS CREEK, NORTH CAROLINACROSS SECTION LOCATION NOTE: CROSS SECTION C-C' IS LINEAR IN NATURE AND ALL LOCATIONS NOT ALONG THE CROSS SECTION ARE PROJECTED ONTO THE CROSS SECTION.PINE HALL ROADPINE HALL ROAD ASH LANDFILL ASH BASIN MIDDLETON LOOPSOURCE INFORMATION: ORIGINAL CROSS SECTION BASE OBTAINED FROM HDR, CSA SUPPLEMENT 2, DATED AUGUST 2016. NOTES 1.DEPTH TO GROUNDWATER GAUGED IN MONITORING WELLS ON APRIL 3, 2017. 2.THE INTERIM MAXIMUM ALLOWABLE CONCENTRATION (IMAC) FOR ANTIMONY IS 1 μg/L. 3.BACKGROUND CONCENTRATION FOR ANITMONY IS 1 μg/L WITHIN THE SHALLOW AND DEEP FLOW LAYERS AND 0.5 μg/L WITHIN THE BEDROCK FLOW LAYER. 4.CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC BTV BUT WITHIN THE BACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGIC SETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENT MIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THE ASH BASIN. 2.14 CONCENTRATION IN µg/L ANTIMONY ISOPLETH IN µg/L (IMAC STANDARD = 1 µg/L) CAROLINAS GENERALIZED WATER TABLE MW-16BR MW-16D MW-12S WELL IN DEEP ZONE WELL IN SHALLOW ZONE WELL IN COMPETENT BEDROCK LEGEND GENERALIZED GROUNDWATER FLOW DIRECTION BEDROCK WEATHERED ROCK NS NOT SAMPLED ASH PORE WATER A A' (SOUTH)(NORTH) SAPROLITE WATER IN BASIN SAPROLITE SAPROLITESAPROLITE BEDROCK BEDROCK BEDROCK ASH PORE WATER ASH FILL TRANSITION ZONE TRANSITION ZONE FILLBELEWS RESERVOIRDAN RIVER 0 100 200 600 HORIZONTAL SCALE: 1" = 600' VERTICAL SCALE: 1" = 120' 5X VERTICAL EXAGGERATION <1 <1 0.37 0.058 j 0.12 1.70 0.25 0.40 0.18 0.66 <0.5 2.80 0.16j 1.10 0.10 12.40 98.50 55.00 0.70 2.10 <1 <1 1.40 0.07 j 4.1 10 10 10MW-202SMW-202DMW-202BRGWA-12SGWA-12DGWA-12BRGWA-23SGWA-23DGWA-8SGWA-8DAB-9SAB-9DAB-9BRAB-9BRDAB-8SAB-8DAB-8SLAB-5SAB-5DAB-8SLAB-5GTBAB-2SAB-2DAB-2GTBMW-102SMW-102DMW-200SMW-200DMW-200BRGWA-24SGWA-24DGWA-24BRACCESS ROADFILL A'A148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY: SCOTT SPINNER DATE:ADAM FEIGL AA-ARSENIC 08/13/2017 10/30/2017 10:09 AM P:\Duke Energy Carolinas\20. BELEWS CREEK\CSA UPDATE OCT 2017\FIGURES\CrossSections\Belews_XSects_A-C_Analytical.dwg FIGURE 11-7 ARSENIC ANALYTICAL RESULTS CROSS SECTION A-A' BELEWS CREEK STEAM STATION DUKE ENERGY CAROLINAS, LLC BELEWS CREEK, NORTH CAROLINA SOURCE INFORMATION: ORIGINAL CROSS SECTION BASE OBTAINED FROM HDR, CSA SUPPLEMENT 2, DATED AUGUST 2016. NOTES 1.DEPTH TO GROUNDWATER GAUGED IN MONITORING WELLS ON APRIL 3, 2017. 2.THE NORTH CAROLINA 2L FOR ARSENIC IS 10 μg/L. 3.BACKGROUND CONCENTRATION FOR ARSENIC IS 1 μg/L WITHIN THE SHALLOW AND DEEP FLOW LAYERS AND 0.51 μg/L WITHIN THE BEDROCK FLOW LAYER. 4.CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC BTV BUT WITHIN THE BACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGIC SETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENT MIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THE ASH BASIN. CROSS SECTION LOCATION NOTE: CROSS SECTION A-A' IS LINEAR IN NATURE AND ALL LOCATIONS NOT ALONG THE CROSS SECTION ARE PROJECTED ONTO THE CROSS SECTION.PINE HALL ROADPINE HALL ROAD ASH LANDFILL ASH BASIN MIDDLETON LOOP2.14 CONCENTRATION IN µg/L ARSENIC ISOPLETH IN µg/L (2L STANDARD = 10 µg/L) GENERALIZED WATER TABLE ASH ASH PORE WATER MW-16BR MW-16D MW-12S ABMW-2 WELL IN DEEP ZONE WELL IN SHALLOW ZONE WELL IN COMPETENT BEDROCK WELL IN ASH PORE WATER LEGEND GENERALIZED GROUNDWATER FLOW DIRECTION BEDROCK MW-102S ABANDONED WELL/ GEOTECHNICAL BORING WEATHERED ROCK CAROLINAS B B' B B' (WEST)(EAST) ASH PORE WATER SAPROLITE SAPROLITESAPROLITE BEDROCK BEDROCK BEDROCK ASH ASH ASH PORE WATERTRANSITION ZONE TRANSITION ZONE TRANSITION ZONE MIDDLETON LOOP BELEWS RESERVOIR 0 100 200 600 HORIZONTAL SCALE: 1" = 600' VERTICAL SCALE: 1" = 120' 5X VERTICAL EXAGGERATION 0.18 0.18 <0.1 0.27 3.5 0.62 61.3 89.7 98.5 55 0.7 2.3 4.8 0.081 j 0.065 j 0.15 0.16 0.2 0.18 0.12 10 10GWA-17SGWA-17DGWA-16SGWA-16DGWA-16BRAB-4SLAB-4SAB-4BRAB-4DAB-4BRDAB-5SLAB-5SAB-5GTBAB-5DAB-6SLAB-6SAB-6GTBAB-6DGWA-5BR2GWA-5BRGWA-5DGWA-5GTBGWA-5SGWA-4DGWA-22SGWA-22DGWA-3SGWA-3DASH BASIN BRANCHWATER IN BASIN 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY: SCOTT SPINNER DATE:ADAM FEIGL BB-ARSENIC 08/13/2017 10/30/2017 10:09 AM P:\Duke Energy Carolinas\20. BELEWS CREEK\CSA UPDATE OCT 2017\FIGURES\CrossSections\Belews_XSects_A-C_Analytical.dwg FIGURE 11-8 ARSENIC ANALYTICAL RESULTS CROSS SECTION B-B' BELEWS CREEK STEAM STATION DUKE ENERGY CAROLINAS, LLC BELEWS CREEK, NORTH CAROLINACROSS SECTION LOCATION NOTE: CROSS SECTION B-B' IS LINEAR IN NATURE AND ALL LOCATIONS NOT ALONG THE CROSS SECTION ARE PROJECTED ONTO THE CROSS SECTION.PINE HALL ROADPINE HALL ROAD ASH LANDFILL ASH BASIN MIDDLETON LOOPSOURCE INFORMATION: ORIGINAL CROSS SECTION BASE OBTAINED FROM HDR, CSA SUPPLEMENT 2, DATED AUGUST 2016. NOTES 1.DEPTH TO GROUNDWATER GAUGED IN MONITORING WELLS ON APRIL 3, 2017. 2.THE NORTH CAROLINA 2L FOR ARSENIC IS 10 μg/L. 3.BACKGROUND CONCENTRATION FOR ARSENIC IS 1 μg/L WITHIN THE SHALLOW AND DEEP FLOW LAYERS AND 0.51 μg/L WITHIN THE BEDROCK FLOW LAYER. 4.CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC BTV BUT WITHIN THE BACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGIC SETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENT MIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THE ASH BASIN. 2.14 CONCENTRATION IN µg/L ARSENIC ISOPLETH IN µg/L (2L STANDARD = 10 µg/L) GENERALIZED WATER TABLE ASH ASH PORE WATER MW-16BR MW-16D MW-12S ABMW-2 WELL IN DEEP ZONE WELL IN SHALLOW ZONE WELL IN COMPETENT BEDROCK WELL IN ASH PORE WATER LEGEND GENERALIZED GROUNDWATER FLOW DIRECTION BEDROCK MW-102S ABANDONED WELL/ GEOTECHNICAL BORING WEATHERED ROCK CAROLINAS 0 100 200 600 HORIZONTAL SCALE: 1" = 600' VERTICAL SCALE: 1" = 120' 5X VERTICAL EXAGGERATION 0.12 0.10 NS 0.067 j 0.064 j 0.15 0.24 0.16 <1 <1 0.14 <0.1 0.27 0.18 0.18 5.2 1.6 1.1 1.1 1.7 3.8 0.47 1.6 <1 1.4 <1 C C' (SOUTH)(NORTH) SAPROLITE SAPROLITE SAPROLITE BEDROCK BEDROCK BEDROCK BEDROCK TRANSITION ZONE TRANSITION ZONEMIDDLETON LOOPPINE HALL ROADGWA-26SGWA-26DGWA-26BRBG-3SBG-3DGWA-25BRTRANSITION ZONE GWA-9SGWA-9DGWA-9BRMW-203SMW-203DMW-203BRGWA-16SGWA-16DGWA-16BRGWA-17SGWA-17DGWA-10SGWA-10DGWA-27SGWA-27DGWA-27BRGWA-11SGWA-11DGWA-1SGWA-1DMW-200SMW-200DMW-200BRDAN RIVER ASH BASIN BRANCHC'C148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY: SCOTT SPINNER DATE:ADAM FEIGL CC-ARSENIC 08/13/2017 10/30/2017 10:10 AM P:\Duke Energy Carolinas\20. BELEWS CREEK\CSA UPDATE OCT 2017\FIGURES\CrossSections\Belews_XSects_A-C_Analytical.dwg FIGURE 11-9 ARSENIC ANALYTICAL RESULTS CROSS SECTION C-C' BELEWS CREEK STEAM STATION DUKE ENERGY CAROLINAS, LLC BELEWS CREEK, NORTH CAROLINA SOURCE INFORMATION: ORIGINAL CROSS SECTION BASE OBTAINED FROM HDR, CSA SUPPLEMENT 2, DATED AUGUST 2016. NOTES 1.DEPTH TO GROUNDWATER GAUGED IN MONITORING WELLS ON APRIL 3, 2017. 2.THE NORTH CAROLINA 2L FOR ARSENIC IS 10 μg/L. 3.BACKGROUND CONCENTRATION FOR ARSENIC IS 1 μg/L WITHIN THE SHALLOW AND DEEP FLOW LAYERS AND 0.51 μg/L WITHIN THE BEDROCK FLOW LAYER. 4.CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC BTV BUT WITHIN THE BACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGIC SETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENT MIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THE ASH BASIN. CROSS SECTION LOCATION NOTE: CROSS SECTION C-C' IS LINEAR IN NATURE AND ALL LOCATIONS NOT ALONG THE CROSS SECTION ARE PROJECTED ONTO THE CROSS SECTION.PINE HALL ROADPINE HALL ROAD ASH LANDFILL ASH BASIN MIDDLETON LOOP2.14 CONCENTRATION IN µg/L GENERALIZED WATER TABLE MW-16BR MW-16D MW-12S WELL IN DEEP ZONE WELL IN SHALLOW ZONE WELL IN COMPETENT BEDROCK LEGEND GENERALIZED GROUNDWATER FLOW DIRECTION CAROLINAS NS NOT SAMPLED BEDROCK WEATHERED ROCK ASH PORE WATER A A' (SOUTH)(NORTH) SAPROLITE WATER IN BASIN SAPROLITE SAPROLITESAPROLITE BEDROCK BEDROCK BEDROCK ASH PORE WATER ASH FILL TRANSITION ZONE TRANSITION ZONE FILLBELEWS RESERVOIRDAN RIVER 0 100 200 600 HORIZONTAL SCALE: 1" = 600' VERTICAL SCALE: 1" = 120' 5X VERTICAL EXAGGERATION 24 7 3 j 24.9 13.4 4.5 j 62.9 49.5 54.4 7 56.1 15.8 20.5 348 90.9 7.5 156 255 11.4 118 64 <5 <5 7.9 4.8 jMW-202SMW-202DMW-202BRGWA-12SGWA-12DGWA-12BRGWA-23SGWA-23DGWA-8SGWA-8DAB-9SAB-9DAB-9BRAB-9BRDAB-8SAB-8DAB-8SLAB-5SAB-5DAB-8SLAB-5GTBAB-2SAB-2DAB-2GTBMW-102SMW-102DMW-200SMW-200DMW-200BRGWA-24SGWA-24DGWA-24BRACCESS ROADFILL A'A148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY: SCOTT SPINNER DATE:ADAM FEIGL AA-BARIUM 08/13/2017 10/30/2017 10:10 AM P:\Duke Energy Carolinas\20. BELEWS CREEK\CSA UPDATE OCT 2017\FIGURES\CrossSections\Belews_XSects_A-C_Analytical.dwg FIGURE 11-10 BARIUM ANALYTICAL RESULTS CROSS SECTION A-A' BELEWS CREEK STEAM STATION DUKE ENERGY CAROLINAS, LLC BELEWS CREEK, NORTH CAROLINA SOURCE INFORMATION: ORIGINAL CROSS SECTION BASE OBTAINED FROM HDR, CSA SUPPLEMENT 2, DATED AUGUST 2016. NOTES 1.DEPTH TO GROUNDWATER GAUGED IN MONITORING WELLS ON APRIL 3, 2017. 2.THE NORTH CAROLINA 2L FOR BARIUM IS 700 μg/L. 3.BACKGROUND CONCENTRATION FOR BARIUM IS 58 μg/L WITHIN THE SHALLOW FLOW LAYER, 12.6 µg/L WITHIN THE DEEP FLOW LAYER, AND 6.2 μg/L WITHIN THE BEDROCK FLOW LAYER. 4.CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC BTV BUT WITHIN THE BACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGIC SETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENT MIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THE ASH BASIN. CROSS SECTION LOCATION NOTE: CROSS SECTION A-A' IS LINEAR IN NATURE AND ALL LOCATIONS NOT ALONG THE CROSS SECTION ARE PROJECTED ONTO THE CROSS SECTION.PINE HALL ROADPINE HALL ROAD ASH LANDFILL ASH BASIN MIDDLETON LOOP2.14 CONCENTRATION IN µg/L GENERALIZED WATER TABLE ASH ASH PORE WATER MW-16BR MW-16D MW-12S ABMW-2 WELL IN DEEP ZONE WELL IN SHALLOW ZONE WELL IN COMPETENT BEDROCK WELL IN ASH PORE WATER LEGEND GENERALIZED GROUNDWATER FLOW DIRECTION BEDROCK MW-102S ABANDONED WELL/ GEOTECHNICAL BORING WEATHERED ROCK CAROLINAS B B' B B' (WEST)(EAST) ASH PORE WATER SAPROLITE SAPROLITESAPROLITE BEDROCK BEDROCK BEDROCK ASH ASH ASH PORE WATERTRANSITION ZONE TRANSITION ZONE TRANSITION ZONE MIDDLETON LOOP BELEWS RESERVOIR 0 100 200 600 HORIZONTAL SCALE: 1" = 600' VERTICAL SCALE: 1" = 120' 5X VERTICAL EXAGGERATION 56.7 9.1 41.2 8.6 24.1 5.6 186 101 156 255 11.4 180 209 20.6 20.3 7.3 47 <5 72.2 25.1GWA-17SGWA-17DGWA-16SGWA-16DGWA-16BRAB-4SLAB-4SAB-4BRAB-4DAB-4BRDAB-5SLAB-5SAB-5GTBAB-5DAB-6SLAB-6SAB-6GTBAB-6DGWA-5BR2GWA-5BRGWA-5DGWA-5GTBGWA-5SGWA-4DGWA-22SGWA-22DGWA-3SGWA-3DASH BASIN BRANCHWATER IN BASIN 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY: SCOTT SPINNER DATE:ADAM FEIGL BB-BARIUM 08/13/2017 10/30/2017 10:10 AM P:\Duke Energy Carolinas\20. BELEWS CREEK\CSA UPDATE OCT 2017\FIGURES\CrossSections\Belews_XSects_A-C_Analytical.dwg FIGURE 11-11 BARIUM ANALYTICAL RESULTS CROSS SECTION B-B' BELEWS CREEK STEAM STATION DUKE ENERGY CAROLINAS, LLC BELEWS CREEK, NORTH CAROLINA SOURCE INFORMATION: ORIGINAL CROSS SECTION BASE OBTAINED FROM HDR, CSA SUPPLEMENT 2, DATED AUGUST 2016. NOTES 1.DEPTH TO GROUNDWATER GAUGED IN MONITORING WELLS ON APRIL 3, 2017. 2.THE NORTH CAROLINA 2L FOR BARIUM IS 700 μg/L. 3.BACKGROUND CONCENTRATION FOR BARIUM IS 58 μg/L WITHIN THE SHALLOW FLOW LAYER, 12.6 µg/L WITHIN THE DEEP FLOW LAYER, AND 6.2 μg/L WITHIN THE BEDROCK FLOW LAYER. 4.CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC BTV BUT WITHIN THE BACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGIC SETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENT MIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THE ASH BASIN. CROSS SECTION LOCATION NOTE: CROSS SECTION B-B' IS LINEAR IN NATURE AND ALL LOCATIONS NOT ALONG THE CROSS SECTION ARE PROJECTED ONTO THE CROSS SECTION.PINE HALL ROADPINE HALL ROAD ASH LANDFILL ASH BASIN MIDDLETON LOOP2.14 CONCENTRATION IN µg/L GENERALIZED WATER TABLE ASH ASH PORE WATER MW-16BR MW-16D MW-12S ABMW-2 WELL IN DEEP ZONE WELL IN SHALLOW ZONE WELL IN COMPETENT BEDROCK WELL IN ASH PORE WATER LEGEND GENERALIZED GROUNDWATER FLOW DIRECTION BEDROCK MW-102S ABANDONED WELL/ GEOTECHNICAL BORING WEATHERED ROCK CAROLINAS 0 100 200 600 HORIZONTAL SCALE: 1" = 600' VERTICAL SCALE: 1" = 120' 5X VERTICAL EXAGGERATION 42.6 14.8 NS 53.6 34.8 81.1 8.7 <5 48 9 <5 41.2 8.6 56.7 9.1 373 4.2 j 153 56.6 605 20.5 298 10.8 <5 <5 64 C C' (SOUTH)(NORTH) SAPROLITE SAPROLITE SAPROLITE BEDROCK BEDROCK BEDROCK BEDROCK TRANSITION ZONE TRANSITION ZONEMIDDLETON LOOPPINE HALL ROADGWA-26SGWA-26DGWA-26BRBG-3SBG-3DGWA-25BRTRANSITION ZONE GWA-9SGWA-9DGWA-9BRMW-203SMW-203DMW-203BRGWA-16SGWA-16DGWA-16BRGWA-17SGWA-17DGWA-10SGWA-10DGWA-27SGWA-27DGWA-27BRGWA-11SGWA-11DGWA-1SGWA-1DMW-200SMW-200DMW-200BRDAN RIVER ASH BASIN BRANCHC'C148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY: SCOTT SPINNER DATE:ADAM FEIGL CC-BARIUM 08/13/2017 10/30/2017 10:10 AM P:\Duke Energy Carolinas\20. BELEWS CREEK\CSA UPDATE OCT 2017\FIGURES\CrossSections\Belews_XSects_A-C_Analytical.dwg FIGURE 11-12 BARIUM ANALYTICAL RESULTS CROSS SECTION C-C' BELEWS CREEK STEAM STATION DUKE ENERGY CAROLINAS, LLC BELEWS CREEK, NORTH CAROLINACROSS SECTION LOCATIONC'CNOTE: CROSS SECTION C-C' IS LINEAR IN NATURE AND ALL LOCATIONS NOT ALONG THE CROSS SECTION ARE PROJECTED ONTO THE CROSS SECTION.PINE HALL ROADPINE HALL ROAD ASH LANDFILL ASH BASIN MIDDLETON LOOPSOURCE INFORMATION: ORIGINAL CROSS SECTION BASE OBTAINED FROM HDR, CSA SUPPLEMENT 2, DATED AUGUST 2016. NOTES 1.DEPTH TO GROUNDWATER GAUGED IN MONITORING WELLS ON APRIL 3, 2017. 2.THE NORTH CAROLINA 2L FOR BARIUM IS 700 μg/L. 3.BACKGROUND CONCENTRATION FOR BARIUM IS 58 μg/L WITHIN THE SHALLOW FLOW LAYER, 12.6 µg/L WITHIN THE DEEP FLOW LAYER, AND 6.2 μg/L WITHIN THE BEDROCK FLOW LAYER. 4.CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC BTV BUT WITHIN THE BACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGIC SETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENT MIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THE ASH BASIN. 2.14 CONCENTRATION IN µg/L GENERALIZED WATER TABLE MW-16BR MW-16D MW-12S WELL IN DEEP ZONE WELL IN SHALLOW ZONE WELL IN COMPETENT BEDROCK LEGEND GENERALIZED GROUNDWATER FLOW DIRECTION CAROLINAS NS NOT SAMPLED BEDROCK WEATHERED ROCK ASH PORE WATER A A' (SOUTH)(NORTH) SAPROLITE WATER IN BASIN SAPROLITE SAPROLITESAPROLITE BEDROCK BEDROCK BEDROCK ASH PORE WATER ASH FILL TRANSITION ZONE TRANSITION ZONE FILLBELEWS RESERVOIRDAN RIVER 0 100 200 600 HORIZONTAL SCALE: 1" = 600' VERTICAL SCALE: 1" = 120' 5X VERTICAL EXAGGERATION <1 <1 0.023 j 0.020 j 0.036 j 0.020 j 0.18 0.11 1.2 0.042 j 0.081 j <0.1 <0.1 0.079 j, B 0.18 B 0.044 j, B 0.093 j, B 0.20 j, B 0.010 j, B 0.65 <1 <1 0.20 0.12 <0.1MW-202SMW-202DMW-202BRGWA-12SGWA-12DGWA-12BRGWA-23SGWA-23DGWA-8SGWA-8DAB-9SAB-9DAB-9BRAB-9BRDAB-8SAB-8DAB-8SLAB-5SAB-5DAB-8SLAB-5GTBAB-2SAB-2DAB-2GTBMW-102SMW-102DMW-200SMW-200DMW-200BRGWA-24SGWA-24DGWA-24BRACCESS ROADFILL A'A148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY: SCOTT SPINNER DATE:ADAM FEIGL AA-BERYLLIUM 08/13/2017 10/30/2017 10:10 AM P:\Duke Energy Carolinas\20. BELEWS CREEK\CSA UPDATE OCT 2017\FIGURES\CrossSections\Belews_XSects_A-C_Analytical.dwg FIGURE 11-13 BERYLLIUM ANALYTICAL RESULTS CROSS SECTION A-A' BELEWS CREEK STEAM STATION DUKE ENERGY CAROLINAS, LLC BELEWS CREEK, NORTH CAROLINA SOURCE INFORMATION: ORIGINAL CROSS SECTION BASE OBTAINED FROM HDR, CSA SUPPLEMENT 2, DATED AUGUST 2016. NOTES 1.DEPTH TO GROUNDWATER GAUGED IN MONITORING WELLS ON APRIL 3, 2017. 2.THE INTERIM MAXIMUM ALLOWABLE CONCENTRATION (IMAC) FOR BERYLLIUM IS 4 μg/L. 3.BACKGROUND CONCENTRATION FOR BERYLLIUM IS 0.362 μg/L WITHIN THE SHALLOW FLOW LAYER, 0.219 µg/L WITHIN THE DEEP FLOW LAYER, AND 0.2 μg/L WITHIN THE BEDROCK FLOW LAYER. 4.CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC BTV BUT WITHIN THE BACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGIC SETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENT MIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THE ASH BASIN. CROSS SECTION LOCATION NOTE: CROSS SECTION A-A' IS LINEAR IN NATURE AND ALL LOCATIONS NOT ALONG THE CROSS SECTION ARE PROJECTED ONTO THE CROSS SECTION.PINE HALL ROADPINE HALL ROAD ASH LANDFILL ASH BASIN MIDDLETON LOOP2.14 CONCENTRATION IN µg/L GENERALIZED WATER TABLE ASH ASH PORE WATER MW-16BR MW-16D MW-12S ABMW-2 WELL IN DEEP ZONE WELL IN SHALLOW ZONE WELL IN COMPETENT BEDROCK WELL IN ASH PORE WATER LEGEND GENERALIZED GROUNDWATER FLOW DIRECTION BEDROCK MW-102S ABANDONED WELL/ GEOTECHNICAL BORING WEATHERED ROCK CAROLINAS B B' B B' (WEST)(EAST) ASH PORE WATER SAPROLITE SAPROLITESAPROLITE BEDROCK BEDROCK BEDROCK ASH ASH ASH PORE WATERTRANSITION ZONE TRANSITION ZONE TRANSITION ZONE MIDDLETON LOOP BELEWS RESERVOIR 0 100 200 600 HORIZONTAL SCALE: 1" = 600' VERTICAL SCALE: 1" = 120' 5X VERTICAL EXAGGERATION 0.037 j 0.015 j 0.12 B 0.023 j 0.017 j, B 0.14 j 0.091 j 0.024 j 0.093 j, B 0.20 j, B 0.010 j, B <0.1 0.017 j 0.018 j 0.063 j <0.1 0.023 j 0.03 j 0.047 j 0.026 jGWA-17SGWA-17DGWA-16SGWA-16DGWA-16BRAB-4SLAB-4SAB-4BRAB-4DAB-4BRDAB-5SLAB-5SAB-5GTBAB-5DAB-6SLAB-6SAB-6GTBAB-6DGWA-5BR2GWA-5BRGWA-5DGWA-5GTBGWA-5SGWA-4DGWA-22SGWA-22DGWA-3SGWA-3DASH BASIN BRANCHWATER IN BASIN 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY: SCOTT SPINNER DATE:ADAM FEIGL BB-BERYLLIUM 08/13/2017 10/30/2017 10:10 AM P:\Duke Energy Carolinas\20. BELEWS CREEK\CSA UPDATE OCT 2017\FIGURES\CrossSections\Belews_XSects_A-C_Analytical.dwg FIGURE 11-14 BERYLLIUM ANALYTICAL RESULTS CROSS SECTION B-B' BELEWS CREEK STEAM STATION DUKE ENERGY CAROLINAS, LLC BELEWS CREEK, NORTH CAROLINA SOURCE INFORMATION: ORIGINAL CROSS SECTION BASE OBTAINED FROM HDR, CSA SUPPLEMENT 2, DATED AUGUST 2016. NOTES 1.DEPTH TO GROUNDWATER GAUGED IN MONITORING WELLS ON APRIL 3, 2017. 2.THE INTERIM MAXIMUM ALLOWABLE CONCENTRATION (IMAC) FOR BERYLLIUM IS 4 μg/L. 3.BACKGROUND CONCENTRATION FOR BERYLLIUM IS 0.362 μg/L WITHIN THE SHALLOW FLOW LAYER, 0.219 µg/L WITHIN THE DEEP FLOW LAYER, AND 0.2 μg/L WITHIN THE BEDROCK FLOW LAYER. 4.CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC BTV BUT WITHIN THE BACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGIC SETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENT MIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THE ASH BASIN. CROSS SECTION LOCATION NOTE: CROSS SECTION B-B' IS LINEAR IN NATURE AND ALL LOCATIONS NOT ALONG THE CROSS SECTION ARE PROJECTED ONTO THE CROSS SECTION.PINE HALL ROADPINE HALL ROAD ASH LANDFILL ASH BASIN MIDDLETON LOOP2.14 CONCENTRATION IN µg/L GENERALIZED WATER TABLE ASH ASH PORE WATER MW-16BR MW-16D MW-12S ABMW-2 WELL IN DEEP ZONE WELL IN SHALLOW ZONE WELL IN COMPETENT BEDROCK WELL IN ASH PORE WATER LEGEND GENERALIZED GROUNDWATER FLOW DIRECTION BEDROCK MW-102S ABANDONED WELL/ GEOTECHNICAL BORING WEATHERED ROCK CAROLINAS 0 100 200 600 HORIZONTAL SCALE: 1" = 600' VERTICAL SCALE: 1" = 120' 5X VERTICAL EXAGGERATION 0.23 0.058 j NS 0.12 0.078 j 0.37 0.047 j 0.025 j <1 <1 0.012 j 0.12 B 0.023 j 0.037 j 0.015 j 1.7 0.033 j 1.3 1.6 11.5 0.14 6.2 0.035 j <1 0.20 <1 4 C C' (SOUTH)(NORTH) SAPROLITE SAPROLITE SAPROLITE BEDROCK BEDROCK BEDROCK BEDROCK TRANSITION ZONE TRANSITION ZONEMIDDLETON LOOPPINE HALL ROADGWA-26SGWA-26DGWA-26BRBG-3SBG-3DGWA-25BRTRANSITION ZONE GWA-9SGWA-9DGWA-9BRMW-203SMW-203DMW-203BRGWA-16SGWA-16DGWA-16BRGWA-17SGWA-17DGWA-10SGWA-10DGWA-27SGWA-27DGWA-27BRGWA-11SGWA-11DGWA-1SGWA-1DMW-200SMW-200DMW-200BRDAN RIVER ASH BASIN BRANCHC'C148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY: SCOTT SPINNER DATE:ADAM FEIGL CC-BERYLLIUM 08/13/2017 10/30/2017 10:10 AM P:\Duke Energy Carolinas\20. BELEWS CREEK\CSA UPDATE OCT 2017\FIGURES\CrossSections\Belews_XSects_A-C_Analytical.dwg FIGURE 11-15 BERYLLIUM ANALYTICAL RESULTS CROSS SECTION C-C' BELEWS CREEK STEAM STATION DUKE ENERGY CAROLINAS, LLC BELEWS CREEK, NORTH CAROLINACROSS SECTION LOCATIONC'CNOTE: CROSS SECTION C-C' IS LINEAR IN NATURE AND ALL LOCATIONS NOT ALONG THE CROSS SECTION ARE PROJECTED ONTO THE CROSS SECTION.PINE HALL ROADPINE HALL ROAD ASH LANDFILL ASH BASIN MIDDLETON LOOPSOURCE INFORMATION: ORIGINAL CROSS SECTION BASE OBTAINED FROM HDR, CSA SUPPLEMENT 2, DATED AUGUST 2016. 1.DEPTH TO GROUNDWATER GAUGED IN MONITORING WELLS ON APRIL 3, 2017. 2.THE INTERIM MAXIMUM ALLOWABLE CONCENTRATION (IMAC) FOR BERYLLIUM IS 4 μg/L. 3.BACKGROUND CONCENTRATION FOR BERYLLIUM IS 0.362 μg/L WITHIN THE SHALLOW FLOW LAYER, 0.219 µg/L WITHIN THE DEEP FLOW LAYER, AND 0.2 μg/L WITHIN THE BEDROCK FLOW LAYER. 4.CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC BTV BUT WITHIN THE BACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGIC SETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENT MIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THE ASH BASIN. NOTES BERYLLIUM ISOPLETH IN µg/L (IMAC STANDARD = 4 µg/L) 2.14 CONCENTRATION IN µg/L GENERALIZED WATER TABLE ASH PORE WATER MW-16BR MW-16D MW-12S ABMW-2 WELL IN DEEP ZONE WELL IN SHALLOW ZONE WELL IN COMPETENT BEDROCK WELL IN ASH PORE WATER LEGEND GENERALIZED GROUNDWATER FLOW DIRECTION BEDROCK MW-102S ABANDONED WELL/ GEOTECHNICAL BORING WEATHERED ROCK CAROLINAS NS NOT SAMPLED A A' (SOUTH)(NORTH) SAPROLITE WATER IN BASIN SAPROLITE SAPROLITESAPROLITE BEDROCK BEDROCK BEDROCK ASH PORE WATER ASH FILL TRANSITION ZONE TRANSITION ZONE FILLBELEWS RESERVOIRDAN RIVER 0 100 200 600 HORIZONTAL SCALE: 1" = 600' VERTICAL SCALE: 1" = 120' 5X VERTICAL EXAGGERATION <50 <50 <50 <50 <50 <50 2270 7150 M1 482 <50 <50 62.5 <50 10700 234 26.8 j 937 11300 37 j 11300 95 162 106 <50 <50 700 700 700 700 700MW-202SMW-202DMW-202BRGWA-12SGWA-12DGWA-12BRGWA-23SGWA-23DGWA-8SGWA-8DAB-9SAB-9DAB-9BRAB-9BRDAB-8SAB-8DAB-8SLAB-5SAB-5DAB-8SLAB-5GTBAB-2SAB-2DAB-2GTBMW-102SMW-102DMW-200SMW-200DMW-200BRGWA-24SGWA-24DGWA-24BR700ACCESS ROADFILL A'A148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY: SCOTT SPINNER DATE:ADAM FEIGL AA-BORON 08/13/2017 10/30/2017 10:10 AM P:\Duke Energy Carolinas\20. BELEWS CREEK\CSA UPDATE OCT 2017\FIGURES\CrossSections\Belews_XSects_A-C_Analytical.dwg FIGURE 11-16 BORON ANALYTICAL RESULTS CROSS SECTION A-A' BELEWS CREEK STEAM STATION DUKE ENERGY CAROLINAS, LLC BELEWS CREEK, NORTH CAROLINA SOURCE INFORMATION: ORIGINAL CROSS SECTION BASE OBTAINED FROM HDR, CSA SUPPLEMENT 2, DATED AUGUST 2016. NOTES 1.GROUNDWATER WELLS WERE SAMPLED MAY 22-26, 2017. PRIOR MOST RECENT ANALYTICAL RESULTS HAVE BEEN USED FOR CONTOUR INTERPOLATION FOR ABANDONED WELLS. 2.THE NORTH CAROLINA 2L FOR BORON IS 700 μg/L. 3.BACKGROUND CONCENTRATION FOR BORON IS 50 μg/L WITHIN THE SHALLOW, DEEP, AND BEDROCK FLOW LAYERS. 4.CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC BTV BUT WITHIN THE BACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGIC SETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENT MIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THE ASH BASIN. CROSS SECTION LOCATION NOTE: CROSS SECTION A-A' IS LINEAR IN NATURE AND ALL LOCATIONS NOT ALONG THE CROSS SECTION ARE PROJECTED ONTO THE CROSS SECTION.PINE HALL ROADPINE HALL ROAD ASH LANDFILL ASH BASIN MIDDLETON LOOP2.14 CONCENTRATION IN µg/L BORON ISOPLETH IN µg/L (2L STANDARD = 700 µg/L) CAROLINAS GENERALIZED WATER TABLE ASH ASH PORE WATER MW-16BR MW-16D MW-12S ABMW-2 WELL IN DEEP ZONE WELL IN SHALLOW ZONE WELL IN COMPETENT BEDROCK WELL IN ASH PORE WATER LEGEND GENERALIZED GROUNDWATER FLOW DIRECTION BEDROCK MW-102S ABANDONED WELL/ GEOTECHNICAL BORING WEATHERED ROCK B B' (WEST)(EAST) ASH PORE WATER SAPROLITE SAPROLITESAPROLITE BEDROCK BEDROCK BEDROCK ASH ASH ASH PORE WATERTRANSITION ZONE TRANSITION ZONE TRANSITION ZONE MIDDLETON LOOP BELEWS RESERVOIR 0 100 200 600 HORIZONTAL SCALE: 1" = 600' VERTICAL SCALE: 1" = 120' 5X VERTICAL EXAGGERATION 25.9 j 39.1 j <50 <50 88.6 28.6 j 14200 7960 937 11300 37 j 69.2 628 <50 <50 <50 <50 <50 <50 <50 <50 700 700GWA-17SGWA-17DGWA-16SGWA-16DGWA-16BRAB-4SLAB-4SAB-4BRAB-4DAB-4BRDAB-5SLAB-5SAB-5GTBAB-5DAB-6SLAB-6SAB-6GTBAB-6DGWA-5BR2GWA-5BRGWA-5DGWA-5GTBGWA-5SGWA-4DGWA-22SGWA-22DGWA-3SGWA-3DASH BASIN BRANCHWATER IN BASIN B B' 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY: SCOTT SPINNER DATE:ADAM FEIGL BB-BORON 08/13/2017 10/30/2017 10:10 AM P:\Duke Energy Carolinas\20. BELEWS CREEK\CSA UPDATE OCT 2017\FIGURES\CrossSections\Belews_XSects_A-C_Analytical.dwg FIGURE 11-17 BORON ANALYTICAL RESULTS CROSS SECTION B-B' BELEWS CREEK STEAM STATION DUKE ENERGY CAROLINAS, LLC BELEWS CREEK, NORTH CAROLINA SOURCE INFORMATION: ORIGINAL CROSS SECTION BASE OBTAINED FROM HDR, CSA SUPPLEMENT 2, DATED AUGUST 2016. NOTES 1.GROUNDWATER WELLS WERE SAMPLED MAY 22-26, 2017. PRIOR MOST RECENT ANALYTICAL RESULTS HAVE BEEN USED FOR CONTOUR INTERPOLATION FOR ABANDONED WELLS. 2.THE NORTH CAROLINA 2L FOR BORON IS 700 μg/L. 3.BACKGROUND CONCENTRATION FOR BORON IS 50 μg/L WITHIN THE SHALLOW, DEEP, AND BEDROCK FLOW LAYERS. 4.CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC BTV BUT WITHIN THE BACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGIC SETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENT MIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THE ASH BASIN. CROSS SECTION LOCATION NOTE: CROSS SECTION B-B' IS LINEAR IN NATURE AND ALL LOCATIONS NOT ALONG THE CROSS SECTION ARE PROJECTED ONTO THE CROSS SECTION.PINE HALL ROADPINE HALL ROAD ASH LANDFILL ASH BASIN MIDDLETON LOOP2.14 CONCENTRATION IN µg/L BORON ISOPLETH IN µg/L (2L STANDARD = 700 µg/L) GENERALIZED WATER TABLE ASH ASH PORE WATER MW-16BR MW-16D MW-12S ABMW-2 WELL IN DEEP ZONE WELL IN SHALLOW ZONE WELL IN COMPETENT BEDROCK WELL IN ASH PORE WATER LEGEND GENERALIZED GROUNDWATER FLOW DIRECTION BEDROCK MW-102S ABANDONED WELL/ GEOTECHNICAL BORING WEATHERED ROCK CAROLINAS 0 100 200 600 HORIZONTAL SCALE: 1" = 600' VERTICAL SCALE: 1" = 120' 5X VERTICAL EXAGGERATION <50 <50 8.5 <50 30.7 j <50 <50 211 <50 <50 25.9 j 39.1 j 97.2 <50 155 5420 852 147 729 <50 162 106 95 <50 <50 <50 700 700 C C' (SOUTH)(NORTH) SAPROLITE SAPROLITE SAPROLITE BEDROCK BEDROCK BEDROCK BEDROCK TRANSITION ZONE TRANSITION ZONEMIDDLETON LOOPPINE HALL ROADGWA-26SGWA-26DGWA-26BRBG-3SBG-3DGWA-25BRTRANSITION ZONE GWA-9SGWA-9DGWA-9BRMW-203SMW-203DMW-203BRGWA-16SGWA-16DGWA-16BRGWA-17SGWA-17DGWA-10SGWA-10DGWA-27SGWA-27DGWA-27BRGWA-11SGWA-11DGWA-1SGWA-1DMW-200SMW-200DMW-200BRDAN RIVER ASH BASIN BRANCHC'C148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY: SCOTT SPINNER DATE:ADAM FEIGL CC-BORON 08/13/2017 10/30/2017 10:10 AM P:\Duke Energy Carolinas\20. BELEWS CREEK\CSA UPDATE OCT 2017\FIGURES\CrossSections\Belews_XSects_A-C_Analytical.dwg FIGURE 11-18 BORON ANALYTICAL RESULTS CROSS SECTION C-C' BELEWS CREEK STEAM STATION DUKE ENERGY CAROLINAS, LLC BELEWS CREEK, NORTH CAROLINACROSS SECTION LOCATIONC'CNOTE: CROSS SECTION C-C' IS LINEAR IN NATURE AND ALL LOCATIONS NOT ALONG THE CROSS SECTION ARE PROJECTED ONTO THE CROSS SECTION.PINE HALL ROADPINE HALL ROAD ASH LANDFILL ASH BASIN MIDDLETON LOOPSOURCE INFORMATION: ORIGINAL CROSS SECTION BASE OBTAINED FROM HDR, CSA SUPPLEMENT 2, DATED AUGUST 2016. NOTES 1.GROUNDWATER WELLS WERE SAMPLED MAY 22-26, 2017. PRIOR MOST RECENT ANALYTICAL RESULTS HAVE BEEN USED FOR CONTOUR INTERPOLATION FOR ABANDONED WELLS. 2.THE NORTH CAROLINA 2L FOR BORON IS 700 μg/L. 3.BACKGROUND CONCENTRATION FOR BORON IS 50 μg/L WITHIN THE SHALLOW, DEEP, AND BEDROCK FLOW LAYERS. 4.CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC BTV BUT WITHIN THE BACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGIC SETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENT MIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THE ASH BASIN. 2.14 CONCENTRATION IN µg/L BORON ISOPLETH IN µg/L (2L STANDARD = 700 µg/L) GENERALIZED WATER TABLE MW-16BR MW-16D MW-12S WELL IN DEEP ZONE WELL IN SHALLOW ZONE WELL IN COMPETENT BEDROCK LEGEND GENERALIZED GROUNDWATER FLOW DIRECTION CAROLINAS NS NOT SAMPLED BEDROCK WEATHERED ROCK ASH PORE WATER A A' (SOUTH)(NORTH) SAPROLITE WATER IN BASIN SAPROLITE SAPROLITESAPROLITE BEDROCK BEDROCK BEDROCK ASH PORE WATER ASH FILL TRANSITION ZONE TRANSITION ZONE FILLBELEWS RESERVOIRDAN RIVER 0 100 200 600 HORIZONTAL SCALE: 1" = 600' VERTICAL SCALE: 1" = 120' 5X VERTICAL EXAGGERATION <1 <1 <0.08 0.077 j <0.08 <0.08 0.17 0.54 0.15 <0.08 <0.08 0.069 j <0.08 1.8 <0.08 <0.08 <0.08 <0.08 <0.08 0.21 <1 <1 <0.08 0.052 j <0.08MW-202SMW-202DMW-202BRGWA-12SGWA-12DGWA-12BRGWA-23SGWA-23DGWA-8SGWA-8DAB-9SAB-9DAB-9BRAB-9BRDAB-8SAB-8DAB-8SLAB-5SAB-5DAB-8SLAB-5GTBAB-2SAB-2DAB-2GTBMW-102SMW-102DMW-200SMW-200DMW-200BRGWA-24SGWA-24DGWA-24BRACCESS ROADFILL A'A148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY: SCOTT SPINNER DATE:ADAM FEIGL AA-CADMIUM 08/13/2017 10/30/2017 10:10 AM P:\Duke Energy Carolinas\20. BELEWS CREEK\CSA UPDATE OCT 2017\FIGURES\CrossSections\Belews_XSects_A-C_Analytical.dwg FIGURE 11-19 CADMIUM ANALYTICAL RESULTS CROSS SECTION A-A' BELEWS CREEK STEAM STATION DUKE ENERGY CAROLINAS, LLC BELEWS CREEK, NORTH CAROLINACROSS SECTION LOCATION NOTE: CROSS SECTION A-A' IS LINEAR IN NATURE AND ALL LOCATIONS NOT ALONG THE CROSS SECTION ARE PROJECTED ONTO THE CROSS SECTION.PINE HALL ROADPINE HALL ROAD ASH LANDFILL ASH BASIN MIDDLETON LOOPSOURCE INFORMATION: ORIGINAL CROSS SECTION BASE OBTAINED FROM HDR, CSA SUPPLEMENT 2, DATED AUGUST 2016. NOTES 1.DEPTH TO GROUNDWATER GAUGED IN MONITORING WELLS ON APRIL 3, 2017. 2.THE NORTH CAROLINA 2L FOR CADMIUM IS 2 μg/L. 3.BACKGROUND CONCENTRATION FOR CADMIUM IS 1 μg/L WITHIN THE SHALLOW AND DEEP FLOW LAYER AND 0.08 μg/L WITHIN THE BEDROCK FLOW LAYER. 4.CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC BTV BUT WITHIN THE BACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGIC SETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENT MIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THE ASH BASIN.2.14 CONCENTRATION IN µg/L GENERALIZED WATER TABLE ASH ASH PORE WATER MW-16BR MW-16D MW-12S ABMW-2 WELL IN DEEP ZONE WELL IN SHALLOW ZONE WELL IN COMPETENT BEDROCK WELL IN ASH PORE WATER LEGEND GENERALIZED GROUNDWATER FLOW DIRECTION BEDROCK MW-102S ABANDONED WELL/ GEOTECHNICAL BORING WEATHERED ROCK CAROLINAS B B' B B' (WEST)(EAST) ASH PORE WATER SAPROLITE SAPROLITESAPROLITE BEDROCK BEDROCK BEDROCK ASH ASH ASH PORE WATERTRANSITION ZONE TRANSITION ZONE TRANSITION ZONE MIDDLETON LOOP BELEWS RESERVOIR 0 100 200 600 HORIZONTAL SCALE: 1" = 600' VERTICAL SCALE: 1" = 120' 5X VERTICAL EXAGGERATION 0.12 <0.08 0.28 B <0.08 <0.08 <0.08 <0.08 <0.08 <0.08 <0.08 <0.08 <0.08 <0.08 <0.08 <0.08 <0.08 <0.08 <0.08 <0.08 <0.08GWA-17SGWA-17DGWA-16SGWA-16DGWA-16BRAB-4SLAB-4SAB-4BRAB-4DAB-4BRDAB-5SLAB-5SAB-5GTBAB-5DAB-6SLAB-6SAB-6GTBAB-6DGWA-5BR2GWA-5BRGWA-5DGWA-5GTBGWA-5SGWA-4DGWA-22SGWA-22DGWA-3SGWA-3DASH BASIN BRANCHWATER IN BASIN 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY: SCOTT SPINNER DATE:ADAM FEIGL BB-CADMIUM 08/13/2017 10/30/2017 10:10 AM P:\Duke Energy Carolinas\20. BELEWS CREEK\CSA UPDATE OCT 2017\FIGURES\CrossSections\Belews_XSects_A-C_Analytical.dwg FIGURE 11-20 CADMIUM ANALYTICAL RESULTS CROSS SECTION B-B' BELEWS CREEK STEAM STATION DUKE ENERGY CAROLINAS, LLC BELEWS CREEK, NORTH CAROLINACROSS SECTION LOCATION NOTE: CROSS SECTION B-B' IS LINEAR IN NATURE AND ALL LOCATIONS NOT ALONG THE CROSS SECTION ARE PROJECTED ONTO THE CROSS SECTION.PINE HALL ROADPINE HALL ROAD ASH LANDFILL ASH BASIN MIDDLETON LOOPSOURCE INFORMATION: ORIGINAL CROSS SECTION BASE OBTAINED FROM HDR, CSA SUPPLEMENT 2, DATED AUGUST 2016. NOTES 1.DEPTH TO GROUNDWATER GAUGED IN MONITORING WELLS ON APRIL 3, 2017. 2.THE NORTH CAROLINA 2L FOR CADMIUM IS 2 μg/L. 3.BACKGROUND CONCENTRATION FOR CADMIUM IS 1 μg/L WITHIN THE SHALLOW AND DEEP FLOW LAYER AND 0.08 μg/L WITHIN THE BEDROCK FLOW LAYER. 4.CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC BTV BUT WITHIN THE BACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGIC SETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENT MIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THE ASH BASIN.2.14 CONCENTRATION IN µg/L GENERALIZED WATER TABLE ASH ASH PORE WATER MW-16BR MW-16D MW-12S ABMW-2 WELL IN DEEP ZONE WELL IN SHALLOW ZONE WELL IN COMPETENT BEDROCK WELL IN ASH PORE WATER LEGEND GENERALIZED GROUNDWATER FLOW DIRECTION BEDROCK MW-102S ABANDONED WELL/ GEOTECHNICAL BORING WEATHERED ROCK CAROLINAS 0 100 200 600 HORIZONTAL SCALE: 1" = 600' VERTICAL SCALE: 1" = 120' 5X VERTICAL EXAGGERATION <0.08 <0.08 NS 0.057 j 0.24 0.073 j <0.08 0.34 <1 <1 <0.08 <0.08 <0.08 0.12 <0.08 0.25 <0.08 0.12 1.6 0.84 <0.08 0.29 <0.08 <1 <0.08 <1 C C' (SOUTH)(NORTH) SAPROLITE SAPROLITE SAPROLITE BEDROCK BEDROCK BEDROCK BEDROCK TRANSITION ZONE TRANSITION ZONEMIDDLETON LOOPPINE HALL ROADGWA-26SGWA-26DGWA-26BRBG-3SBG-3DGWA-25BRTRANSITION ZONE GWA-9SGWA-9DGWA-9BRMW-203SMW-203DMW-203BRGWA-16SGWA-16DGWA-16BRGWA-17SGWA-17DGWA-10SGWA-10DGWA-27SGWA-27DGWA-27BRGWA-11SGWA-11DGWA-1SGWA-1DMW-200SMW-200DMW-200BRDAN RIVER ASH BASIN BRANCHC'C148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY: SCOTT SPINNER DATE:ADAM FEIGL CC-CADMIUM 08/13/2017 10/30/2017 10:10 AM P:\Duke Energy Carolinas\20. BELEWS CREEK\CSA UPDATE OCT 2017\FIGURES\CrossSections\Belews_XSects_A-C_Analytical.dwg FIGURE 11-21 CADMIUM ANALYTICAL RESULTS CROSS SECTION C-C' BELEWS CREEK STEAM STATION DUKE ENERGY CAROLINAS, LLC BELEWS CREEK, NORTH CAROLINA SOURCE INFORMATION: ORIGINAL CROSS SECTION BASE OBTAINED FROM HDR, CSA SUPPLEMENT 2, DATED AUGUST 2016. NOTES 1.DEPTH TO GROUNDWATER GAUGED IN MONITORING WELLS ON APRIL 3, 2017. 2.THE NORTH CAROLINA 2L FOR CADMIUM IS 2 μg/L. 3.BACKGROUND CONCENTRATION FOR CADMIUM IS 1 μg/L WITHIN THE SHALLOW AND DEEP FLOW LAYER AND 0.08 μg/L WITHIN THE BEDROCK FLOW LAYER. 4.CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC BTV BUT WITHIN THE BACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGIC SETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENT MIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THE ASH BASIN. CROSS SECTION LOCATIONC'CNOTE: CROSS SECTION C-C' IS LINEAR IN NATURE AND ALL LOCATIONS NOT ALONG THE CROSS SECTION ARE PROJECTED ONTO THE CROSS SECTION.PINE HALL ROADPINE HALL ROAD ASH LANDFILL ASH BASIN MIDDLETON LOOP2.14 CONCENTRATION IN µg/L GENERALIZED WATER TABLE MW-16BR MW-16D MW-12S WELL IN DEEP ZONE WELL IN SHALLOW ZONE WELL IN COMPETENT BEDROCK LEGEND GENERALIZED GROUNDWATER FLOW DIRECTION CAROLINAS NS NOT SAMPLED BEDROCK WEATHERED ROCK ASH PORE WATER A A' (SOUTH)(NORTH) SAPROLITE WATER IN BASIN SAPROLITE SAPROLITESAPROLITE BEDROCK BEDROCK BEDROCK ASH PORE WATER ASH FILL TRANSITION ZONE TRANSITION ZONE FILLBELEWS RESERVOIRDAN RIVER 0 100 200 600 HORIZONTAL SCALE: 1" = 600' VERTICAL SCALE: 1" = 120' 5X VERTICAL EXAGGERATION 1.7 2.8 2.4 0.77 j 1.1 2.3 0.170 j 0.28 j 3.9 5.3 5.7 6.2 4.3 6.5 4.7 12.7 11 426 0.8 j 475 33 34 49.5 43.9 1.5 250 250 250 250 250MW-202SMW-202DMW-202BRGWA-12SGWA-12DGWA-12BRGWA-23SGWA-23DGWA-8SGWA-8DAB-9SAB-9DAB-9BRAB-9BRDAB-8SAB-8DAB-8SLAB-5SAB-5DAB-8SLAB-5GTBAB-2SAB-2DAB-2GTBMW-102SMW-102DMW-200SMW-200DMW-200BRGWA-24SGWA-24DGWA-24BRACCESS ROADFILL A'A148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY: SCOTT SPINNER DATE:ADAM FEIGL AA-CHLORIDE 08/13/2017 10/30/2017 10:10 AM P:\Duke Energy Carolinas\20. BELEWS CREEK\CSA UPDATE OCT 2017\FIGURES\CrossSections\Belews_XSects_A-C_Analytical.dwg FIGURE 11-22 CHLORIDE ANALYTICAL RESULTS CROSS SECTION A-A' BELEWS CREEK STEAM STATION DUKE ENERGY CAROLINAS, LLC BELEWS CREEK, NORTH CAROLINA SOURCE INFORMATION: ORIGINAL CROSS SECTION BASE OBTAINED FROM HDR, CSA SUPPLEMENT 2, DATED AUGUST 2016. NOTES 1.DEPTH TO GROUNDWATER GAUGED IN MONITORING WELLS ON APRIL 3, 2017. 2.THE NORTH CAROLINA 2L FOR CHLORIDE IS 250 mg/L. 3.BACKGROUND CONCENTRATION FOR CHLORIDE IS 15 mg/L WITHIN THE SHALLOW FLOW LAYER, 20.9 mg/L WITHIN THE DEEP FLOW LAYER, AND 3 mg/L WITHIN THE BEDROCK FLOW LAYER. 4.CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC BTV BUT WITHIN THE BACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGIC SETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENT MIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THE ASH BASIN. CROSS SECTION LOCATION NOTE: CROSS SECTION A-A' IS LINEAR IN NATURE AND ALL LOCATIONS NOT ALONG THE CROSS SECTION ARE PROJECTED ONTO THE CROSS SECTION.PINE HALL ROADPINE HALL ROAD ASH LANDFILL ASH BASIN MIDDLETON LOOP2.14 CONCENTRATION IN mg/L CHLORIDE ISOPLETH IN mg/L (2L STANDARD = 250 mg/L) CAROLINAS GENERALIZED WATER TABLE ASH ASH PORE WATER MW-16BR MW-16D MW-12S ABMW-2 WELL IN DEEP ZONE WELL IN SHALLOW ZONE WELL IN COMPETENT BEDROCK WELL IN ASH PORE WATER LEGEND GENERALIZED GROUNDWATER FLOW DIRECTION BEDROCK MW-102S ABANDONED WELL/ GEOTECHNICAL BORING WEATHERED ROCK B B' B B' (WEST)(EAST) ASH PORE WATER SAPROLITE SAPROLITESAPROLITE BEDROCK BEDROCK BEDROCK ASH ASH ASH PORE WATERTRANSITION ZONE TRANSITION ZONE TRANSITION ZONE MIDDLETON LOOP BELEWS RESERVOIR 0 100 200 600 HORIZONTAL SCALE: 1" = 600' VERTICAL SCALE: 1" = 120' 5X VERTICAL EXAGGERATION 1 0.93 j 0.67 j 0.74 j 3.2 1.4 8.5 304 11 426 0.8 j 7.1 7.4 1.2 2.1 3.9 6.5 2 7.7 9.9250GWA-17SGWA-17DGWA-16SGWA-16DGWA-16BRAB-4SLAB-4SAB-4BRAB-4DAB-4BRDAB-5SLAB-5SAB-5GTBAB-5DAB-6SLAB-6SAB-6GTBAB-6DGWA-5BR2GWA-5BRGWA-5DGWA-5GTBGWA-5SGWA-4DGWA-22SGWA-22DGWA-3SGWA-3DASH BASIN BRANCHWATER IN BASIN 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY: SCOTT SPINNER DATE:ADAM FEIGL BB-CHLORIDE 08/13/2017 10/30/2017 10:10 AM P:\Duke Energy Carolinas\20. BELEWS CREEK\CSA UPDATE OCT 2017\FIGURES\CrossSections\Belews_XSects_A-C_Analytical.dwg FIGURE 11-23 CHLORIDE ANALYTICAL RESULTS CROSS SECTION B-B' BELEWS CREEK STEAM STATION DUKE ENERGY CAROLINAS, LLC BELEWS CREEK, NORTH CAROLINA SOURCE INFORMATION: ORIGINAL CROSS SECTION BASE OBTAINED FROM HDR, CSA SUPPLEMENT 2, DATED AUGUST 2016. NOTES 1.DEPTH TO GROUNDWATER GAUGED IN MONITORING WELLS ON APRIL 3, 2017. 2.THE NORTH CAROLINA 2L FOR CHLORIDE IS 250 mg/L. 3.BACKGROUND CONCENTRATION FOR CHLORIDE IS 15 mg/L WITHIN THE SHALLOW FLOW LAYER, 20.9 mg/L WITHIN THE DEEP FLOW LAYER, AND 3 mg/L WITHIN THE BEDROCK FLOW LAYER. 4.CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC BTV BUT WITHIN THE BACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGIC SETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENT MIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THE ASH BASIN. CROSS SECTION LOCATION NOTE: CROSS SECTION B-B' IS LINEAR IN NATURE AND ALL LOCATIONS NOT ALONG THE CROSS SECTION ARE PROJECTED ONTO THE CROSS SECTION.PINE HALL ROADPINE HALL ROAD ASH LANDFILL ASH BASIN MIDDLETON LOOP2.14 CONCENTRATION IN mg/L CHLORIDE ISOPLETH IN mg/L (2L STANDARD = 250 mg/L) CAROLINAS GENERALIZED WATER TABLE ASH ASH PORE WATER MW-16BR MW-16D MW-12S ABMW-2 WELL IN DEEP ZONE WELL IN SHALLOW ZONE WELL IN COMPETENT BEDROCK WELL IN ASH PORE WATER LEGEND GENERALIZED GROUNDWATER FLOW DIRECTION BEDROCK MW-102S ABANDONED WELL/ GEOTECHNICAL BORING WEATHERED ROCK 0 100 200 600 HORIZONTAL SCALE: 1" = 600' VERTICAL SCALE: 1" = 120' 5X VERTICAL EXAGGERATION 2.4 5 NS 6.4 9.6 2.7 30.7 52.7 1.8 2.9 6 0.67 j 0.74 j 1 0.93 j 73.1 M1 3.8 51.9 393 231 235 88.6 52.1 34 49.5 33 250 C C' (SOUTH)(NORTH) SAPROLITE SAPROLITE SAPROLITE BEDROCK BEDROCK BEDROCK BEDROCK TRANSITION ZONE TRANSITION ZONEMIDDLETON LOOPPINE HALL ROADGWA-26SGWA-26DGWA-26BRBG-3SBG-3DGWA-25BRTRANSITION ZONE GWA-9SGWA-9DGWA-9BRMW-203SMW-203DMW-203BRGWA-16SGWA-16DGWA-16BRGWA-17SGWA-17DGWA-10SGWA-10DGWA-27SGWA-27DGWA-27BRGWA-11SGWA-11DGWA-1SGWA-1DMW-200SMW-200DMW-200BRDAN RIVER ASH BASIN BRANCHC'C148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY: SCOTT SPINNER DATE:ADAM FEIGL CC-CHLORIDE 08/13/2017 10/30/2017 10:10 AM P:\Duke Energy Carolinas\20. BELEWS CREEK\CSA UPDATE OCT 2017\FIGURES\CrossSections\Belews_XSects_A-C_Analytical.dwg FIGURE 11-24 CHLORIDE ANALYTICAL RESULTS CROSS SECTION C-C' BELEWS CREEK STEAM STATION DUKE ENERGY CAROLINAS, LLC BELEWS CREEK, NORTH CAROLINA SOURCE INFORMATION: ORIGINAL CROSS SECTION BASE OBTAINED FROM HDR, CSA SUPPLEMENT 2, DATED AUGUST 2016. NOTES 1.DEPTH TO GROUNDWATER GAUGED IN MONITORING WELLS ON APRIL 3, 2017. 2.THE NORTH CAROLINA 2L FOR CHLORIDE IS 250 mg/L. 3.BACKGROUND CONCENTRATION FOR CHLORIDE IS 15 mg/L WITHIN THE SHALLOW FLOW LAYER, 20.9 mg/L WITHIN THE DEEP FLOW LAYER, AND 3 mg/L WITHIN THE BEDROCK FLOW LAYER. 4.CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC BTV BUT WITHIN THE BACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGIC SETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENT MIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THE ASH BASIN. CROSS SECTION LOCATIONC'CNOTE: CROSS SECTION C-C' IS LINEAR IN NATURE AND ALL LOCATIONS NOT ALONG THE CROSS SECTION ARE PROJECTED ONTO THE CROSS SECTION.PINE HALL ROADPINE HALL ROAD ASH LANDFILL ASH BASIN MIDDLETON LOOP2.14 CONCENTRATION IN mg/L CHLORIDE ISOPLETH IN mg/L (2L STANDARD = 250 mg/L) CAROLINAS GENERALIZED WATER TABLE MW-16BR MW-16D MW-12S WELL IN DEEP ZONE WELL IN SHALLOW ZONE WELL IN COMPETENT BEDROCK LEGEND GENERALIZED GROUNDWATER FLOW DIRECTION NS NOT SAMPLED BEDROCK WEATHERED ROCK ASH PORE WATER A A' (SOUTH)(NORTH) SAPROLITE WATER IN BASIN SAPROLITE SAPROLITESAPROLITE BEDROCK BEDROCK BEDROCK ASH PORE WATER ASH FILL TRANSITION ZONE TRANSITION ZONE FILLBELEWS RESERVOIRDAN RIVER 0 100 200 600 HORIZONTAL SCALE: 1" = 600' VERTICAL SCALE: 1" = 120' 5X VERTICAL EXAGGERATION 0.17 0.10 0.05 0.03 0.27 8.3 0.11 0.0092 j <0.025 0.011 j < 0.025 <0.25 D3 <0.025 0.02 j 0.062 M1 0.13 j 0.50 0.43 j, D3 <0.025 0.052 j <0.08MW-202SMW-202DMW-202BRGWA-12SGWA-12DGWA-12BRGWA-23SGWA-23DGWA-8SGWA-8DAB-9SAB-9DAB-9BRAB-9BRDAB-8SAB-8DAB-8SLAB-5SAB-5DAB-8SLAB-5GTBAB-2SAB-2DAB-2GTBMW-102SMW-102DMW-200SMW-200DMW-200BRGWA-24SGWA-24DGWA-24BRACCESS ROADFILL A'A148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY: SCOTT SPINNER DATE:ADAM FEIGL AA-CHROMIUM(VI) 08/13/2017 10/30/2017 10:10 AM P:\Duke Energy Carolinas\20. BELEWS CREEK\CSA UPDATE OCT 2017\FIGURES\CrossSections\Belews_XSects_A-C_Analytical.dwg FIGURE 11-25 HEXAVALENT CHROMIUM ANALYTICAL RESULTS CROSS SECTION A-A' BELEWS CREEK STEAM STATION DUKE ENERGY CAROLINAS, LLC BELEWS CREEK, NORTH CAROLINA SOURCE INFORMATION: ORIGINAL CROSS SECTION BASE OBTAINED FROM HDR, CSA SUPPLEMENT 2, DATED AUGUST 2016. NOTES 1.DEPTH TO GROUNDWATER GAUGED IN MONITORING WELLS ON APRIL 3, 2017. 2.THE NORTH CAROLINA 2L FOR HEXAVALENT CHROMIUM IS NOT ESTABLISHED. THE NORTH CAROLINA 2L FOR TOTAL CHROMIUM IS 10 mg/L. 3.BACKGROUND CONCENTRATION FOR HEXAVALENT CHROMIUM IS 1.75 μg/L WITHIN THE SHALLOW, 0.411 μg/L WITHIN THE DEEP FLOW LAYER, AND 0.33 μg/L WITHIN THE BEDROCK FLOW LAYER. 4.CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC BTV BUT WITHIN THE BACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGIC SETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENT MIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THE ASH BASIN. CROSS SECTION LOCATION NOTE: CROSS SECTION A-A' IS LINEAR IN NATURE AND ALL LOCATIONS NOT ALONG THE CROSS SECTION ARE PROJECTED ONTO THE CROSS SECTION.PINE HALL ROADPINE HALL ROAD ASH LANDFILL ASH BASIN MIDDLETON LOOP2.14 CONCENTRATION IN µg/L GENERALIZED WATER TABLE ASH ASH PORE WATER MW-16BR MW-16D MW-12S ABMW-2 WELL IN DEEP ZONE WELL IN SHALLOW ZONE WELL IN COMPETENT BEDROCK WELL IN ASH PORE WATER LEGEND GENERALIZED GROUNDWATER FLOW DIRECTION BEDROCK MW-102S ABANDONED WELL/ GEOTECHNICAL BORING WEATHERED ROCK CAROLINAS B B' B B' (WEST)(EAST) ASH PORE WATER SAPROLITE SAPROLITESAPROLITE BEDROCK BEDROCK BEDROCK ASH ASH ASH PORE WATERTRANSITION ZONE TRANSITION ZONE TRANSITION ZONE MIDDLETON LOOP BELEWS RESERVOIR 0 100 200 600 HORIZONTAL SCALE: 1" = 600' VERTICAL SCALE: 1" = 120' 5X VERTICAL EXAGGERATION 0.15 <0.12 D3 0.11 0.38 0.39 0.062 M1 0.13 j 0.50 0.022 j <0.12 D3 0.42 0.54 0.19 0.66 1.20 0.17 0.79<0.12 D3 <0.12 D3 <0.12 D3GWA-17SGWA-17DGWA-16SGWA-16DGWA-16BRAB-4SLAB-4SAB-4BRAB-4DAB-4BRDAB-5SLAB-5SAB-5GTBAB-5DAB-6SLAB-6SAB-6GTBAB-6DGWA-5BR2GWA-5BRGWA-5DGWA-5GTBGWA-5SGWA-4DGWA-22SGWA-22DGWA-3SGWA-3DASH BASIN BRANCHWATER IN BASIN 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY: SCOTT SPINNER DATE:ADAM FEIGL BB-CHROMIUM(VI) 08/13/2017 10/30/2017 10:10 AM P:\Duke Energy Carolinas\20. BELEWS CREEK\CSA UPDATE OCT 2017\FIGURES\CrossSections\Belews_XSects_A-C_Analytical.dwg FIGURE 11-26 HEXAVALENT CHROMIUM ANALYTICAL RESULTS CROSS SECTION B-B' BELEWS CREEK STEAM STATION DUKE ENERGY CAROLINAS, LLC BELEWS CREEK, NORTH CAROLINA SOURCE INFORMATION: ORIGINAL CROSS SECTION BASE OBTAINED FROM HDR, CSA SUPPLEMENT 2, DATED AUGUST 2016. NOTES 1.DEPTH TO GROUNDWATER GAUGED IN MONITORING WELLS ON APRIL 3, 2017. 2.THE NORTH CAROLINA 2L FOR HEXAVALENT CHROMIUM IS NOT ESTABLISHED. THE NORTH CAROLINA 2L FOR TOTAL CHROMIUM IS 10 mg/L. 3.BACKGROUND CONCENTRATION FOR HEXAVALENT CHROMIUM IS 1.75 μg/L WITHIN THE SHALLOW, 0.411 μg/L WITHIN THE DEEP FLOW LAYER, AND 0.33 μg/L WITHIN THE BEDROCK FLOW LAYER. 4.CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC BTV BUT WITHIN THE BACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGIC SETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENT MIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THE ASH BASIN. CROSS SECTION LOCATION NOTE: CROSS SECTION B-B' IS LINEAR IN NATURE AND ALL LOCATIONS NOT ALONG THE CROSS SECTION ARE PROJECTED ONTO THE CROSS SECTION.PINE HALL ROADPINE HALL ROAD ASH LANDFILL ASH BASIN MIDDLETON LOOP2.14 CONCENTRATION IN µg/L GENERALIZED WATER TABLE ASH ASH PORE WATER MW-16BR MW-16D MW-12S ABMW-2 WELL IN DEEP ZONE WELL IN SHALLOW ZONE WELL IN COMPETENT BEDROCK WELL IN ASH PORE WATER LEGEND GENERALIZED GROUNDWATER FLOW DIRECTION BEDROCK MW-102S ABANDONED WELL/ GEOTECHNICAL BORING WEATHERED ROCK CAROLINAS 0 100 200 600 HORIZONTAL SCALE: 1" = 600' VERTICAL SCALE: 1" = 120' 5X VERTICAL EXAGGERATION 0.5 0.07 NS 0.52 0.16 0.11 0.08 0.52 0.11 <0.12 D3 0.15 <0.12 D3 0.11 0.019 j 0.013 j 0.48 j, D3 <0.12 D3 0.29 0.05 <0.025 0.04 <0.12 D3 C C' (SOUTH)(NORTH) SAPROLITE SAPROLITE SAPROLITE BEDROCK BEDROCK BEDROCK BEDROCK TRANSITION ZONE TRANSITION ZONEMIDDLETON LOOPPINE HALL ROADGWA-26SGWA-26DGWA-26BRBG-3SBG-3DGWA-25BRTRANSITION ZONE GWA-9SGWA-9DGWA-9BRMW-203SMW-203DMW-203BRGWA-16SGWA-16DGWA-16BRGWA-17SGWA-17DGWA-10SGWA-10DGWA-27SGWA-27DGWA-27BRGWA-11SGWA-11DGWA-1SGWA-1DMW-200SMW-200DMW-200BRDAN RIVER ASH BASIN BRANCHC'C148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY: SCOTT SPINNER DATE:ADAM FEIGL CC-CHROMIUM(VI) 08/13/2017 10/30/2017 10:10 AM P:\Duke Energy Carolinas\20. BELEWS CREEK\CSA UPDATE OCT 2017\FIGURES\CrossSections\Belews_XSects_A-C_Analytical.dwg FIGURE 11-27 HEXAVALENT CHROMIUM ANALYTICAL RESULTS CROSS SECTION C-C' BELEWS CREEK STEAM STATION DUKE ENERGY CAROLINAS, LLC BELEWS CREEK, NORTH CAROLINACROSS SECTION LOCATIONC'CNOTE: CROSS SECTION C-C' IS LINEAR IN NATURE AND ALL LOCATIONS NOT ALONG THE CROSS SECTION ARE PROJECTED ONTO THE CROSS SECTION.PINE HALL ROADPINE HALL ROAD ASH LANDFILL ASH BASIN MIDDLETON LOOPSOURCE INFORMATION: ORIGINAL CROSS SECTION BASE OBTAINED FROM HDR, CSA SUPPLEMENT 2, DATED AUGUST 2016. NOTES 1.DEPTH TO GROUNDWATER GAUGED IN MONITORING WELLS ON APRIL 3, 2017. 2.THE NORTH CAROLINA 2L FOR HEXAVALENT CHROMIUM IS NOT ESTABLISHED. THE NORTH CAROLINA 2L FOR TOTAL CHROMIUM IS 10 mg/L. 3.BACKGROUND CONCENTRATION FOR HEXAVALENT CHROMIUM IS 1.75 μg/L WITHIN THE SHALLOW, 0.411 μg/L WITHIN THE DEEP FLOW LAYER, AND 0.33 μg/L WITHIN THE BEDROCK FLOW LAYER. 4.CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC BTV BUT WITHIN THE BACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGIC SETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENT MIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THE ASH BASIN. 2.14 CONCENTRATION IN µg/L GENERALIZED WATER TABLE MW-16BR MW-16D MW-12S WELL IN DEEP ZONE WELL IN SHALLOW ZONE WELL IN COMPETENT BEDROCK LEGEND GENERALIZED GROUNDWATER FLOW DIRECTION CAROLINAS NS NOT SAMPLED BEDROCK WEATHERED ROCK ASH PORE WATER A A' (SOUTH)(NORTH) SAPROLITE WATER IN BASIN SAPROLITE SAPROLITESAPROLITE BEDROCK BEDROCK BEDROCK ASH PORE WATER ASH FILL TRANSITION ZONE TRANSITION ZONE FILLBELEWS RESERVOIRDAN RIVER 0 100 200 600 HORIZONTAL SCALE: 1" = 600' VERTICAL SCALE: 1" = 120' 5X VERTICAL EXAGGERATIONMW-202SMW-202DMW-202BRGWA-12SGWA-12DGWA-12BRGWA-23SGWA-23DGWA-8SGWA-8DAB-9SAB-9DAB-9BRAB-9BRDAB-8SAB-8DAB-8SLAB-5SAB-5DAB-8SLAB-5GTBAB-2SAB-2DAB-2GTBMW-102SMW-102DMW-200SMW-200DMW-200BRGWA-24SGWA-24DGWA-24BR<5 <5 0.92 B 1.9 B 0.45 j, B 0.74 B 0.89 13.3 0.58 B 0.51 B 0.36 j 0.37 j 1.9 1.2 B 2.1 0.76 B 0.44 j, B 1.3 B 0.69 B 5.1 <5 <5 0.098 j 1.4 0.72 10 ACCESS ROADFILL A'A148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY: SCOTT SPINNER DATE:ADAM FEIGL AA-CHROMIUM(TOTAL) 08/13/2017 10/30/2017 10:10 AM P:\Duke Energy Carolinas\20. BELEWS CREEK\CSA UPDATE OCT 2017\FIGURES\CrossSections\Belews_XSects_A-C_Analytical.dwg FIGURE 11-28 TOTAL CHROMIUM ANALYTICAL RESULTS CROSS SECTION A-A' BELEWS CREEK STEAM STATION DUKE ENERGY CAROLINAS, LLC BELEWS CREEK, NORTH CAROLINA SOURCE INFORMATION: ORIGINAL CROSS SECTION BASE OBTAINED FROM HDR, CSA SUPPLEMENT 2, DATED AUGUST 2016. NOTES 1.DEPTH TO GROUNDWATER GAUGED IN MONITORING WELLS ON APRIL 3, 2017. 2.THE NORTH CAROLINA 2L FOR TOTAL CHROMIUM IS 10 mg/L. 3.BACKGROUND CONCENTRATION FOR TOTAL CHROMIUM IS 4.72 μg/L WITHIN THE SHALLOW FLOW LAYER, 3.3 µg/L WITHIN THE DEEP FLOW LAYER, AND 1.5 μg/L WITHIN THE BEDROCK FLOW LAYER. 4.CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC BTV BUT WITHIN THE BACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGIC SETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENT MIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THE ASH BASIN. CROSS SECTION LOCATION NOTE: CROSS SECTION A-A' IS LINEAR IN NATURE AND ALL LOCATIONS NOT ALONG THE CROSS SECTION ARE PROJECTED ONTO THE CROSS SECTION.PINE HALL ROADPINE HALL ROAD ASH LANDFILL ASH BASIN MIDDLETON LOOP2.14 CONCENTRATION IN µg/L TOTAL CHROMIUM ISOPLETH IN µg/L (2L STANDARD = 10 µg/L) CAROLINAS GENERALIZED WATER TABLE ASH ASH PORE WATER MW-16BR MW-16D MW-12S ABMW-2 WELL IN DEEP ZONE WELL IN SHALLOW ZONE WELL IN COMPETENT BEDROCK WELL IN ASH PORE WATER LEGEND GENERALIZED GROUNDWATER FLOW DIRECTION BEDROCK MW-102S ABANDONED WELL/ GEOTECHNICAL BORING WEATHERED ROCK B B' (WEST)(EAST) ASH PORE WATER SAPROLITE SAPROLITESAPROLITE BEDROCK BEDROCK BEDROCK ASH ASH ASH PORE WATERTRANSITION ZONE TRANSITION ZONE TRANSITION ZONE MIDDLETON LOOP BELEWS RESERVOIR 0 100 200 600 HORIZONTAL SCALE: 1" = 600' VERTICAL SCALE: 1" = 120' 5X VERTICAL EXAGGERATIONGWA-17SGWA-17DGWA-16SGWA-16DGWA-16BRAB-4SLAB-4SAB-4BRAB-4DAB-4BRDAB-5SLAB-5SAB-5GTBAB-5DAB-6SLAB-6SAB-6GTBAB-6DGWA-5BR2GWA-5BRGWA-5DGWA-5GTBGWA-5SGWA-4DGWA-22SGWA-22DGWA-3SGWA-3D2.8 1.4 0.36 j, B 78.1 0.46 j, B 1.40 0.89 0.230 j 0.44 j, B 1.3 B 0.69 B 0.42 j 0.89 0.62 1.1 B 1.5 B 0.95 B 0.95 B 2.1 269 5.410 10ASH BASIN BRANCHWATER IN BASIN B B' 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY: SCOTT SPINNER DATE:ADAM FEIGL BB-CHROMIUM(TOTAL) 08/13/2017 10/30/2017 10:10 AM P:\Duke Energy Carolinas\20. BELEWS CREEK\CSA UPDATE OCT 2017\FIGURES\CrossSections\Belews_XSects_A-C_Analytical.dwg FIGURE 11-29 TOTAL CHROMIUM ANALYTICAL RESULTS CROSS SECTION B-B' BELEWS CREEK STEAM STATION DUKE ENERGY CAROLINAS, LLC BELEWS CREEK, NORTH CAROLINA SOURCE INFORMATION: ORIGINAL CROSS SECTION BASE OBTAINED FROM HDR, CSA SUPPLEMENT 2, DATED AUGUST 2016. NOTES 1.DEPTH TO GROUNDWATER GAUGED IN MONITORING WELLS ON APRIL 3, 2017. 2.THE NORTH CAROLINA 2L FOR TOTAL CHROMIUM IS 10 mg/L. 3.BACKGROUND CONCENTRATION FOR TOTAL CHROMIUM IS 4.72 μg/L WITHIN THE SHALLOW FLOW LAYER, 3.3 µg/L WITHIN THE DEEP FLOW LAYER, AND 1.5 μg/L WITHIN THE BEDROCK FLOW LAYER. 4.CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC BTV BUT WITHIN THE BACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGIC SETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENT MIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THE ASH BASIN. CROSS SECTION LOCATION NOTE: CROSS SECTION B-B' IS LINEAR IN NATURE AND ALL LOCATIONS NOT ALONG THE CROSS SECTION ARE PROJECTED ONTO THE CROSS SECTION.PINE HALL ROADPINE HALL ROAD ASH LANDFILL ASH BASIN MIDDLETON LOOP2.14 CONCENTRATION IN µg/L TOTAL CHROMIUM ISOPLETH IN µg/L (2L STANDARD = 10 µg/L) CAROLINAS GENERALIZED WATER TABLE ASH ASH PORE WATER MW-16BR MW-16D MW-12S ABMW-2 WELL IN DEEP ZONE WELL IN SHALLOW ZONE WELL IN COMPETENT BEDROCK WELL IN ASH PORE WATER LEGEND GENERALIZED GROUNDWATER FLOW DIRECTION BEDROCK MW-102S ABANDONED WELL/ GEOTECHNICAL BORING WEATHERED ROCK 0 100 200 600 HORIZONTAL SCALE: 1" = 600' VERTICAL SCALE: 1" = 120' 5X VERTICAL EXAGGERATION 1.4 2.2 NS 0.88 0.95 2.6 3.1 0.98 <5 <5 3.4 0.36 j, B 78.1 2.8 1.4 0.36 j, B 61.7 M1 4.1 <5 14.7 13.1 289 M1 10 <5 0.098 j <5 10 10 10 C C' (SOUTH)(NORTH) SAPROLITE SAPROLITE SAPROLITE BEDROCK BEDROCK BEDROCK BEDROCK TRANSITION ZONE TRANSITION ZONEMIDDLETON LOOPPINE HALL ROADGWA-26SGWA-26DGWA-26BRBG-3SBG-3DGWA-25BRTRANSITION ZONE GWA-9SGWA-9DGWA-9BRMW-203SMW-203DMW-203BRGWA-16SGWA-16DGWA-16BRGWA-17SGWA-17DGWA-10SGWA-10DGWA-27SGWA-27DGWA-27BRGWA-11SGWA-11DGWA-1SGWA-1DMW-200SMW-200DMW-200BRDAN RIVER ASH BASIN BRANCHC'C148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY: SCOTT SPINNER DATE:ADAM FEIGL CC-CHROMIUM(TOTAL) 08/13/2017 10/30/2017 10:10 AM P:\Duke Energy Carolinas\20. BELEWS CREEK\CSA UPDATE OCT 2017\FIGURES\CrossSections\Belews_XSects_A-C_Analytical.dwg FIGURE 11-30 TOTAL CHROMIUM ANALYTICAL RESULTS CROSS SECTION C-C' BELEWS CREEK STEAM STATION DUKE ENERGY CAROLINAS, LLC BELEWS CREEK, NORTH CAROLINACROSS SECTION LOCATIONC'CNOTE: CROSS SECTION C-C' IS LINEAR IN NATURE AND ALL LOCATIONS NOT ALONG THE CROSS SECTION ARE PROJECTED ONTO THE CROSS SECTION.PINE HALL ROADPINE HALL ROAD ASH LANDFILL ASH BASIN MIDDLETON LOOPSOURCE INFORMATION: ORIGINAL CROSS SECTION BASE OBTAINED FROM HDR, CSA SUPPLEMENT 2, DATED AUGUST 2016. NOTES 1.DEPTH TO GROUNDWATER GAUGED IN MONITORING WELLS ON APRIL 3, 2017. 2.THE NORTH CAROLINA 2L FOR TOTAL CHROMIUM IS 10 mg/L. 3.BACKGROUND CONCENTRATION FOR TOTAL CHROMIUM IS 4.72 μg/L WITHIN THE SHALLOW FLOW LAYER, 3.3 µg/L WITHIN THE DEEP FLOW LAYER, AND 1.5 μg/L WITHIN THE BEDROCK FLOW LAYER. 4.CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC BTV BUT WITHIN THE BACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGIC SETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENT MIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THE ASH BASIN. 2.14 CONCENTRATION IN µg/L TOTAL CHROMIUM ISOPLETH IN µg/L (2L STANDARD = 10 µg/L) CAROLINAS GENERALIZED WATER TABLE MW-16BR MW-16D MW-12S WELL IN DEEP ZONE WELL IN SHALLOW ZONE WELL IN COMPETENT BEDROCK LEGEND GENERALIZED GROUNDWATER FLOW DIRECTION NS NOT SAMPLED BEDROCK WEATHERED ROCK ASH PORE WATER A A' (SOUTH)(NORTH) SAPROLITE WATER IN BASIN SAPROLITE SAPROLITESAPROLITE BEDROCK BEDROCK BEDROCK ASH PORE WATER ASH FILL TRANSITION ZONE TRANSITION ZONE FILLBELEWS RESERVOIRDAN RIVER 0 100 200 600 HORIZONTAL SCALE: 1" = 600' VERTICAL SCALE: 1" = 120' 5X VERTICAL EXAGGERATION <1 <1 0.064 j 0.099 j 0.17 0.082 j 5.4 37.3 0.21 0.12 0.33 13.6 0.44 0.63 15.8 0.45 0.06 j 0.056 j 0.054 j 84 2.99 <1 0.045 j 0.066 j 0.061 j 1 1 1 1 1 1MW-202SMW-202DMW-202BRGWA-12SGWA-12DGWA-12BRGWA-23SGWA-23DGWA-8SGWA-8DAB-9SAB-9DAB-9BRAB-9BRDAB-8SAB-8DAB-8SLAB-5SAB-5DAB-8SLAB-5GTBAB-2SAB-2DAB-2GTBMW-102SMW-102DMW-200SMW-200DMW-200BRGWA-24SGWA-24DGWA-24BRACCESS ROADFILL A'A148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY: SCOTT SPINNER DATE:ADAM FEIGL AA-COBALT 08/13/2017 10/30/2017 10:10 AM P:\Duke Energy Carolinas\20. BELEWS CREEK\CSA UPDATE OCT 2017\FIGURES\CrossSections\Belews_XSects_A-C_Analytical.dwg FIGURE 11-31 COBALT ANALYTICAL RESULTS CROSS SECTION A-A' BELEWS CREEK STEAM STATION DUKE ENERGY CAROLINAS, LLC BELEWS CREEK, NORTH CAROLINA SOURCE INFORMATION: ORIGINAL CROSS SECTION BASE OBTAINED FROM HDR, CSA SUPPLEMENT 2, DATED AUGUST 2016. NOTES 1.DEPTH TO GROUNDWATER GAUGED IN MONITORING WELLS ON APRIL 3, 2017. 2.THE INTERIM MAXIMUM ALLOWABLE CONCENTRATION (IMAC) FOR COBALT IS 1 μg/L. 3.BACKGROUND CONCENTRATION FOR COBALT IS 0.509 μg/L WITHIN THE SHALLOW FLOW LAYER, 1.6 μg/L WITHIN THE DEEP FLOW LAYER, AND 0.76 μg/L WITHIN THE BEDROCK FLOW LAYER. 4.CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC BTV BUT WITHIN THE BACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGIC SETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENT MIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THE ASH BASIN. CROSS SECTION LOCATION NOTE: CROSS SECTION A-A' IS LINEAR IN NATURE AND ALL LOCATIONS NOT ALONG THE CROSS SECTION ARE PROJECTED ONTO THE CROSS SECTION.PINE HALL ROADPINE HALL ROAD ASH LANDFILL ASH BASIN MIDDLETON LOOP2.14 CONCENTRATION IN µg/L COBALT ISOPLETH IN µg/L (IMAC STANDARD = 1 µg/L) GENERALIZED WATER TABLE ASH ASH PORE WATER MW-16BR MW-16D MW-12S ABMW-2 WELL IN DEEP ZONE WELL IN SHALLOW ZONE WELL IN COMPETENT BEDROCK WELL IN ASH PORE WATER LEGEND GENERALIZED GROUNDWATER FLOW DIRECTION BEDROCK MW-102S ABANDONED WELL/ GEOTECHNICAL BORING WEATHERED ROCK CAROLINAS B B' (WEST)(EAST) ASH PORE WATER SAPROLITE SAPROLITESAPROLITE BEDROCK BEDROCK BEDROCK ASH ASH ASH PORE WATERTRANSITION ZONE TRANSITION ZONE TRANSITION ZONE MIDDLETON LOOP BELEWS RESERVOIR 0 100 200 600 HORIZONTAL SCALE: 1" = 600' VERTICAL SCALE: 1" = 120' 5X VERTICAL EXAGGERATION 14 0.19 2 1.2 0.2 0.034 j 0.32 0.1 0.06 j 0.056 j 0.054 j 0.37 <0.1 0.084 j 0.23 0.26 0.87 0.97 2.5 0.16 1 1 1GWA-17SGWA-17DGWA-16SGWA-16DGWA-16BRAB-4SLAB-4SAB-4BRAB-4DAB-4BRDAB-5SLAB-5SAB-5GTBAB-5DAB-6SLAB-6SAB-6GTBAB-6DGWA-5BR2GWA-5BRGWA-5DGWA-5GTBGWA-5SGWA-4DGWA-22SGWA-22DGWA-3SGWA-3DASH BASIN BRANCHWATER IN BASIN B B' 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY: SCOTT SPINNER DATE:ADAM FEIGL BB-COBALT 08/13/2017 10/30/2017 10:10 AM P:\Duke Energy Carolinas\20. BELEWS CREEK\CSA UPDATE OCT 2017\FIGURES\CrossSections\Belews_XSects_A-C_Analytical.dwg FIGURE 11-32 COBALT ANALYTICAL RESULTS CROSS SECTION B-B' BELEWS CREEK STEAM STATION DUKE ENERGY CAROLINAS, LLC BELEWS CREEK, NORTH CAROLINA SOURCE INFORMATION: ORIGINAL CROSS SECTION BASE OBTAINED FROM HDR, CSA SUPPLEMENT 2, DATED AUGUST 2016. NOTES 1.DEPTH TO GROUNDWATER GAUGED IN MONITORING WELLS ON APRIL 3, 2017. 2.THE INTERIM MAXIMUM ALLOWABLE CONCENTRATION (IMAC) FOR COBALT IS 1 μg/L. 3.BACKGROUND CONCENTRATION FOR COBALT IS 0.509 μg/L WITHIN THE SHALLOW FLOW LAYER, 1.6 μg/L WITHIN THE DEEP FLOW LAYER, AND 0.76 μg/L WITHIN THE BEDROCK FLOW LAYER. 4.CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC BTV BUT WITHIN THE BACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGIC SETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENT MIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THE ASH BASIN. CROSS SECTION LOCATION NOTE: CROSS SECTION B-B' IS LINEAR IN NATURE AND ALL LOCATIONS NOT ALONG THE CROSS SECTION ARE PROJECTED ONTO THE CROSS SECTION.PINE HALL ROADPINE HALL ROAD ASH LANDFILL ASH BASIN MIDDLETON LOOP2.14 CONCENTRATION IN µg/L COBALT ISOPLETH IN µg/L (IMAC STANDARD = 1 µg/L) GENERALIZED WATER TABLE ASH ASH PORE WATER MW-16BR MW-16D MW-12S ABMW-2 WELL IN DEEP ZONE WELL IN SHALLOW ZONE WELL IN COMPETENT BEDROCK WELL IN ASH PORE WATER LEGEND GENERALIZED GROUNDWATER FLOW DIRECTION BEDROCK MW-102S ABANDONED WELL/ GEOTECHNICAL BORING WEATHERED ROCK CAROLINAS 0 100 200 600 HORIZONTAL SCALE: 1" = 600' VERTICAL SCALE: 1" = 120' 5X VERTICAL EXAGGERATION 0.3 0.063 j NS 0.2 0.34 0.71 1.6 0.38 <1 <1 0.1 2 1.2 14 0.19 54 1 65.2 15.4 11.5 2.8 7.2 5 <1 0.045 j 2.99 1 1 11 C C' (SOUTH)(NORTH) SAPROLITE SAPROLITE SAPROLITE BEDROCK BEDROCK BEDROCK BEDROCK TRANSITION ZONE TRANSITION ZONEMIDDLETON LOOPPINE HALL ROADGWA-26SGWA-26DGWA-26BRBG-3SBG-3DGWA-25BRTRANSITION ZONE GWA-9SGWA-9DGWA-9BRMW-203SMW-203DMW-203BRGWA-16SGWA-16DGWA-16BRGWA-17SGWA-17DGWA-10SGWA-10DGWA-27SGWA-27DGWA-27BRGWA-11SGWA-11DGWA-1SGWA-1DMW-200SMW-200DMW-200BRDAN RIVER ASH BASIN BRANCHC'C148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY: SCOTT SPINNER DATE:ADAM FEIGL CC-COBALT 08/13/2017 10/30/2017 10:10 AM P:\Duke Energy Carolinas\20. BELEWS CREEK\CSA UPDATE OCT 2017\FIGURES\CrossSections\Belews_XSects_A-C_Analytical.dwg FIGURE 11-33 COBALT ANALYTICAL RESULTS CROSS SECTION C-C' BELEWS CREEK STEAM STATION DUKE ENERGY CAROLINAS, LLC BELEWS CREEK, NORTH CAROLINACROSS SECTION LOCATIONC'CNOTE: CROSS SECTION C-C' IS LINEAR IN NATURE AND ALL LOCATIONS NOT ALONG THE CROSS SECTION ARE PROJECTED ONTO THE CROSS SECTION.PINE HALL ROADPINE HALL ROAD ASH LANDFILL ASH BASIN MIDDLETON LOOPSOURCE INFORMATION: ORIGINAL CROSS SECTION BASE OBTAINED FROM HDR, CSA SUPPLEMENT 2, DATED AUGUST 2016. NOTES 1.DEPTH TO GROUNDWATER GAUGED IN MONITORING WELLS ON APRIL 3, 2017. 2.THE INTERIM MAXIMUM ALLOWABLE CONCENTRATION (IMAC) FOR COBALT IS 1 μg/L. 3.BACKGROUND CONCENTRATION FOR COBALT IS 0.509 μg/L WITHIN THE SHALLOW FLOW LAYER, 1.6 μg/L WITHIN THE DEEP FLOW LAYER, AND 0.76 μg/L WITHIN THE BEDROCK FLOW LAYER. 4.CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC BTV BUT WITHIN THE BACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGIC SETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENT MIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THE ASH BASIN. 2.14 CONCENTRATION IN µg/L COBALT ISOPLETH IN µg/L (IMAC STANDARD = 1 µg/L) GENERALIZED WATER TABLE MW-16BR MW-16D MW-12S WELL IN DEEP ZONE WELL IN SHALLOW ZONE WELL IN COMPETENT BEDROCK LEGEND GENERALIZED GROUNDWATER FLOW DIRECTION CAROLINAS NS NOT SAMPLED BEDROCK WEATHERED ROCK ASH PORE WATER A A' (SOUTH)(NORTH) SAPROLITE WATER IN BASIN SAPROLITE SAPROLITESAPROLITE BEDROCK BEDROCK BEDROCK ASH PORE WATER ASH FILL TRANSITION ZONE TRANSITION ZONE FILLBELEWS RESERVOIRDAN RIVER 0 100 200 600 HORIZONTAL SCALE: 1" = 600' VERTICAL SCALE: 1" = 120' 5X VERTICAL EXAGGERATION 279 434 27.2 j 50.8 140 190 306 399 132 861 292 39.4 j 368 34800 M1 1260 <50 400 <50 <50 1280 211 28 217 30.7 j 199MW-202SMW-202DMW-202BRGWA-12SGWA-12DGWA-12BRGWA-23SGWA-23DGWA-8SGWA-8DAB-9SAB-9DAB-9BRAB-9BRDAB-8SAB-8DAB-8SLAB-5SAB-5DAB-8SLAB-5GTBAB-2SAB-2DAB-2GTBMW-102SMW-102DMW-200SMW-200DMW-200BRGWA-24SGWA-24DGWA-24BRACCESS ROADFILL A'A148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY: SCOTT SPINNER DATE:ADAM FEIGL AA-IRON 08/13/2017 10/30/2017 10:10 AM P:\Duke Energy Carolinas\20. BELEWS CREEK\CSA UPDATE OCT 2017\FIGURES\CrossSections\Belews_XSects_A-C_Analytical.dwg FIGURE 11-34 IRON ANALYTICAL RESULTS CROSS SECTION A-A' BELEWS CREEK STEAM STATION DUKE ENERGY CAROLINAS, LLC BELEWS CREEK, NORTH CAROLINA SOURCE INFORMATION: ORIGINAL CROSS SECTION BASE OBTAINED FROM HDR, CSA SUPPLEMENT 2, DATED AUGUST 2016. NOTES 1.DEPTH TO GROUNDWATER GAUGED IN MONITORING WELLS ON APRIL 3, 2017. 2.THE NORTH CAROLINA 2L FOR IRON IS 300 μg/L. 3.BACKGROUND CONCENTRATION FOR IRON IS 750 μg/L WITHIN THE SHALLOW FLOW LAYER, 240 μg/L WITHIN THE DEEP FLOW LAYER, AND 228 μg/L WITHIN THE BEDROCK FLOW LAYER. 4.CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC BTV BUT WITHIN THE BACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGIC SETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENT MIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THE ASH BASIN. CROSS SECTION LOCATION NOTE: CROSS SECTION A-A' IS LINEAR IN NATURE AND ALL LOCATIONS NOT ALONG THE CROSS SECTION ARE PROJECTED ONTO THE CROSS SECTION.PINE HALL ROADPINE HALL ROAD ASH LANDFILL ASH BASIN MIDDLETON LOOP2.14 CONCENTRATION IN µg/L IRON ISOPLETH IN µg/L (GREATER THAN FLOW LAYER BACKGROUND VALUE) GENERALIZED WATER TABLE ASH ASH PORE WATER MW-16BR MW-16D MW-12S ABMW-2 WELL IN DEEP ZONE WELL IN SHALLOW ZONE WELL IN COMPETENT BEDROCK WELL IN ASH PORE WATER LEGEND GENERALIZED GROUNDWATER FLOW DIRECTION BEDROCK MW-102S ABANDONED WELL/ GEOTECHNICAL BORING WEATHERED ROCK CAROLINAS B B' (WEST)(EAST) ASH PORE WATER SAPROLITE SAPROLITESAPROLITE BEDROCK BEDROCK BEDROCK ASH ASH ASH PORE WATERTRANSITION ZONE TRANSITION ZONE TRANSITION ZONE MIDDLETON LOOP BELEWS RESERVOIR 0 100 200 600 HORIZONTAL SCALE: 1" = 600' VERTICAL SCALE: 1" = 120' 5X VERTICAL EXAGGERATION 579 2100 <50 2100 <50 39 j 181 12200 400 <50 <50 225 4850 <50 292 72 <50 129 1240 179 300 GWA-17SGWA-17DGWA-16SGWA-16DGWA-16BRAB-4SLAB-4SAB-4BRAB-4DAB-4BRDAB-5SLAB-5SAB-5GTBAB-5DAB-6SLAB-6SAB-6GTBAB-6DGWA-5BR2GWA-5BRGWA-5DGWA-5GTBGWA-5SGWA-4DGWA-22SGWA-22DGWA-3SGWA-3DASH BASIN BRANCHWATER IN BASIN B B' 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY: SCOTT SPINNER DATE:ADAM FEIGL BB-IRON 08/13/2017 10/30/2017 10:10 AM P:\Duke Energy Carolinas\20. BELEWS CREEK\CSA UPDATE OCT 2017\FIGURES\CrossSections\Belews_XSects_A-C_Analytical.dwg FIGURE 11-35 IRON ANALYTICAL RESULTS CROSS SECTION B-B' BELEWS CREEK STEAM STATION DUKE ENERGY CAROLINAS, LLC BELEWS CREEK, NORTH CAROLINA SOURCE INFORMATION: ORIGINAL CROSS SECTION BASE OBTAINED FROM HDR, CSA SUPPLEMENT 2, DATED AUGUST 2016. NOTES 1.DEPTH TO GROUNDWATER GAUGED IN MONITORING WELLS ON APRIL 3, 2017. 2.THE NORTH CAROLINA 2L FOR IRON IS 300 μg/L. 3.BACKGROUND CONCENTRATION FOR IRON IS 750 μg/L WITHIN THE SHALLOW FLOW LAYER, 240 μg/L WITHIN THE DEEP FLOW LAYER, AND 228 μg/L WITHIN THE BEDROCK FLOW LAYER. 4.CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC BTV BUT WITHIN THE BACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGIC SETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENT MIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THE ASH BASIN. CROSS SECTION LOCATION NOTE: CROSS SECTION B-B' IS LINEAR IN NATURE AND ALL LOCATIONS NOT ALONG THE CROSS SECTION ARE PROJECTED ONTO THE CROSS SECTION.PINE HALL ROADPINE HALL ROAD ASH LANDFILL ASH BASIN MIDDLETON LOOP2.14 CONCENTRATION IN µg/L IRON ISOPLETH IN µg/L (GREATER THAN FLOW LAYER BACKGROUND VALUE) GENERALIZED WATER TABLE ASH ASH PORE WATER MW-16BR MW-16D MW-12S ABMW-2 WELL IN DEEP ZONE WELL IN SHALLOW ZONE WELL IN COMPETENT BEDROCK WELL IN ASH PORE WATER LEGEND GENERALIZED GROUNDWATER FLOW DIRECTION BEDROCK MW-102S ABANDONED WELL/ GEOTECHNICAL BORING WEATHERED ROCK CAROLINAS 0 100 200 600 HORIZONTAL SCALE: 1" = 600' VERTICAL SCALE: 1" = 120' 5X VERTICAL EXAGGERATION 666 99.4 NS 105 165 374 161 68 <10 166 75.8 <50 2100 579 91.7 437 550 214 348 3270 1230 246 28 217 211 C C' (SOUTH)(NORTH) SAPROLITE SAPROLITE SAPROLITE BEDROCK BEDROCK BEDROCK BEDROCK TRANSITION ZONE TRANSITION ZONEMIDDLETON LOOPPINE HALL ROADGWA-26SGWA-26DGWA-26BRBG-3SBG-3DGWA-25BRTRANSITION ZONE GWA-9SGWA-9DGWA-9BRMW-203SMW-203DMW-203BRGWA-16SGWA-16DGWA-16BRGWA-17SGWA-17DGWA-10SGWA-10DGWA-27SGWA-27DGWA-27BRGWA-11SGWA-11DGWA-1SGWA-1DMW-200SMW-200DMW-200BRDAN RIVER ASH BASIN BRANCH2100 C'C148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY: SCOTT SPINNER DATE:ADAM FEIGL CC-IRON 08/13/2017 10/30/2017 10:10 AM P:\Duke Energy Carolinas\20. BELEWS CREEK\CSA UPDATE OCT 2017\FIGURES\CrossSections\Belews_XSects_A-C_Analytical.dwg FIGURE 11-36 IRON ANALYTICAL RESULTS CROSS SECTION C-C' BELEWS CREEK STEAM STATION DUKE ENERGY CAROLINAS, LLC BELEWS CREEK, NORTH CAROLINA SOURCE INFORMATION: ORIGINAL CROSS SECTION BASE OBTAINED FROM HDR, CSA SUPPLEMENT 2, DATED AUGUST 2016. NOTES 1.DEPTH TO GROUNDWATER GAUGED IN MONITORING WELLS ON APRIL 3, 2017. 2.THE NORTH CAROLINA 2L FOR IRON IS 300 μg/L. 3.BACKGROUND CONCENTRATION FOR IRON IS 750 μg/L WITHIN THE SHALLOW FLOW LAYER, 240 μg/L WITHIN THE DEEP FLOW LAYER, AND 228 μg/L WITHIN THE BEDROCK FLOW LAYER. 4.CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC BTV BUT WITHIN THE BACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGIC SETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENT MIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THE ASH BASIN. CROSS SECTION LOCATIONC'CNOTE: CROSS SECTION C-C' IS LINEAR IN NATURE AND ALL LOCATIONS NOT ALONG THE CROSS SECTION ARE PROJECTED ONTO THE CROSS SECTION.PINE HALL ROADPINE HALL ROAD ASH LANDFILL ASH BASIN MIDDLETON LOOP2.14 CONCENTRATION IN µg/L IRON ISOPLETH IN µg/L (GREATER THAN FLOW LAYER BACKGROUND VALUE) GENERALIZED WATER TABLE MW-16BR MW-16D MW-12S WELL IN DEEP ZONE WELL IN SHALLOW ZONE WELL IN COMPETENT BEDROCK LEGEND GENERALIZED GROUNDWATER FLOW DIRECTION CAROLINAS NS NOT SAMPLED BEDROCK WEATHERED ROCK ASH PORE WATER A A' (SOUTH)(NORTH) SAPROLITE WATER IN BASIN SAPROLITE SAPROLITESAPROLITE BEDROCK BEDROCK BEDROCK ASH PORE WATER ASH FILL TRANSITION ZONE TRANSITION ZONE FILLBELEWS RESERVOIRDAN RIVER 0 100 200 600 HORIZONTAL SCALE: 1" = 600' VERTICAL SCALE: 1" = 120' 5X VERTICAL EXAGGERATION <5 5 4.6 j 19.1 27.4 56.6 131 149 91.5 53 495 84 415 848 84.6 39.9 62.7 <5 3.7 j 11600 261 11 126 10.5 10.150 50 50 50 50 50MW-202SMW-202DMW-202BRGWA-12SGWA-12DGWA-12BRGWA-23SGWA-23DGWA-8SGWA-8DAB-9SAB-9DAB-9BRAB-9BRDAB-8SAB-8DAB-8SLAB-5SAB-5DAB-8SLAB-5GTBAB-2SAB-2DAB-2GTBMW-102SMW-102DMW-200SMW-200DMW-200BRGWA-24SGWA-24DGWA-24BRACCESS ROADFILL A'A148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY: SCOTT SPINNER DATE:ADAM FEIGL AA-MANGANESE 08/13/2017 10/30/2017 10:10 AM P:\Duke Energy Carolinas\20. BELEWS CREEK\CSA UPDATE OCT 2017\FIGURES\CrossSections\Belews_XSects_A-C_Analytical.dwg FIGURE 11-37 MANGANESE ANALYTICAL RESULTS CROSS SECTION A-A' BELEWS CREEK STEAM STATION DUKE ENERGY CAROLINAS, LLC BELEWS CREEK, NORTH CAROLINA SOURCE INFORMATION: ORIGINAL CROSS SECTION BASE OBTAINED FROM HDR, CSA SUPPLEMENT 2, DATED AUGUST 2016. NOTES 1.DEPTH TO GROUNDWATER GAUGED IN MONITORING WELLS ON APRIL 3, 2017. 2.THE NORTH CAROLINA 2L FOR MANGANESE IS 50 μg/L. 3.BACKGROUND CONCENTRATION FOR MANGANESE IS 27.9 μg/L WITHIN THE SHALLOW FLOW LAYER, 55 μg/L WITHIN THE DEEP FLOW LAYER, AND 9.9 μg/L WITHIN THE BEDROCK FLOW LAYER. 4.CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC BTV BUT WITHIN THE BACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGIC SETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENT MIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THE ASH BASIN. CROSS SECTION LOCATION NOTE: CROSS SECTION A-A' IS LINEAR IN NATURE AND ALL LOCATIONS NOT ALONG THE CROSS SECTION ARE PROJECTED ONTO THE CROSS SECTION.PINE HALL ROADPINE HALL ROAD ASH LANDFILL ASH BASIN MIDDLETON LOOP2.14 CONCENTRATION IN µg/L MANGANESE ISOPLETH IN µg/L (2L STANDARD = 50 µg/L) GENERALIZED WATER TABLE ASH ASH PORE WATER MW-16BR MW-16D MW-12S ABMW-2 WELL IN DEEP ZONE WELL IN SHALLOW ZONE WELL IN COMPETENT BEDROCK WELL IN ASH PORE WATER LEGEND GENERALIZED GROUNDWATER FLOW DIRECTION BEDROCK MW-102S ABANDONED WELL/ GEOTECHNICAL BORING WEATHERED ROCK CAROLINAS B B' B B' (WEST)(EAST) ASH PORE WATER SAPROLITE SAPROLITESAPROLITE BEDROCK BEDROCK BEDROCK ASH ASH ASH PORE WATERTRANSITION ZONE TRANSITION ZONE TRANSITION ZONE MIDDLETON LOOP BELEWS RESERVOIR 0 100 200 600 HORIZONTAL SCALE: 1" = 600' VERTICAL SCALE: 1" = 120' 5X VERTICAL EXAGGERATION 207 56.4 61.8 52.4 294 11.8 <5 1440 62.7 <5 3.7 j 3.3 j 267 7.1 84.9 259 12.8 137 119 7.8 50 50 50 5050 50 50GWA-17SGWA-17DGWA-16SGWA-16DGWA-16BRAB-4SLAB-4SAB-4BRAB-4DAB-4BRDAB-5SLAB-5SAB-5GTBAB-5DAB-6SLAB-6SAB-6GTBAB-6DGWA-5BR2GWA-5BRGWA-5DGWA-5GTBGWA-5SGWA-4DGWA-22SGWA-22DGWA-3SGWA-3DASH BASIN BRANCHWATER IN BASIN 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY: SCOTT SPINNER DATE:ADAM FEIGL BB-MANGANESE 08/13/2017 10/30/2017 10:10 AM P:\Duke Energy Carolinas\20. BELEWS CREEK\CSA UPDATE OCT 2017\FIGURES\CrossSections\Belews_XSects_A-C_Analytical.dwg FIGURE 11-38 MANGANESE ANALYTICAL RESULTS CROSS SECTION B-B' BELEWS CREEK STEAM STATION DUKE ENERGY CAROLINAS, LLC BELEWS CREEK, NORTH CAROLINACROSS SECTION LOCATION NOTE: CROSS SECTION B-B' IS LINEAR IN NATURE AND ALL LOCATIONS NOT ALONG THE CROSS SECTION ARE PROJECTED ONTO THE CROSS SECTION.PINE HALL ROADPINE HALL ROAD ASH LANDFILL ASH BASIN MIDDLETON LOOPSOURCE INFORMATION: ORIGINAL CROSS SECTION BASE OBTAINED FROM HDR, CSA SUPPLEMENT 2, DATED AUGUST 2016. NOTES 1.DEPTH TO GROUNDWATER GAUGED IN MONITORING WELLS ON APRIL 3, 2017. 2.THE NORTH CAROLINA 2L FOR MANGANESE IS 50 μg/L. 3.BACKGROUND CONCENTRATION FOR MANGANESE IS 27.9 μg/L WITHIN THE SHALLOW FLOW LAYER, 55 μg/L WITHIN THE DEEP FLOW LAYER, AND 9.9 μg/L WITHIN THE BEDROCK FLOW LAYER. 4.CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC BTV BUT WITHIN THE BACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGIC SETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENT MIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THE ASH BASIN. 2.14 CONCENTRATION IN µg/L MANGANESE ISOPLETH IN µg/L (2L STANDARD = 50 µg/L) GENERALIZED WATER TABLE ASH ASH PORE WATER MW-16BR MW-16D MW-12S ABMW-2 WELL IN DEEP ZONE WELL IN SHALLOW ZONE WELL IN COMPETENT BEDROCK WELL IN ASH PORE WATER LEGEND GENERALIZED GROUNDWATER FLOW DIRECTION BEDROCK MW-102S ABANDONED WELL/ GEOTECHNICAL BORING WEATHERED ROCK CAROLINAS C'C0 100 200 600 HORIZONTAL SCALE: 1" = 600' VERTICAL SCALE: 1" = 120' 5X VERTICAL EXAGGERATION 18.5 3.8 j NS 60.4 124 19.6 17.2 375 5 5 3.9 j 61.8 52.4 207 56.4 1370 29.2 2370 2080 173 176 187 23.9 11 126 261 50 50 50 50 50 50 50 C C' (SOUTH)(NORTH) SAPROLITE SAPROLITE SAPROLITE BEDROCK BEDROCK BEDROCK BEDROCK TRANSITION ZONE TRANSITION ZONEMIDDLETON LOOPPINE HALL ROADGWA-26SGWA-26DGWA-26BRBG-3SBG-3DGWA-25BRTRANSITION ZONE GWA-9SGWA-9DGWA-9BRMW-203SMW-203DMW-203BRGWA-16SGWA-16DGWA-16BRGWA-17SGWA-17DGWA-10SGWA-10DGWA-27SGWA-27DGWA-27BRGWA-11SGWA-11DGWA-1SGWA-1DMW-200SMW-200DMW-200BRDAN RIVER ASH BASIN BRANCH148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY: SCOTT SPINNER DATE:ADAM FEIGL CC-MANGANESE 08/13/2017 10/30/2017 10:10 AM P:\Duke Energy Carolinas\20. BELEWS CREEK\CSA UPDATE OCT 2017\FIGURES\CrossSections\Belews_XSects_A-C_Analytical.dwg FIGURE 11-39 MANGANESE ANALYTICAL RESULTS CROSS SECTION C-C' BELEWS CREEK STEAM STATION DUKE ENERGY CAROLINAS, LLC BELEWS CREEK, NORTH CAROLINA SOURCE INFORMATION: ORIGINAL CROSS SECTION BASE OBTAINED FROM HDR, CSA SUPPLEMENT 2, DATED AUGUST 2016. NOTES 1.DEPTH TO GROUNDWATER GAUGED IN MONITORING WELLS ON APRIL 3, 2017. 2.THE NORTH CAROLINA 2L FOR MANGANESE IS 50 μg/L. 3.BACKGROUND CONCENTRATION FOR MANGANESE IS 27.9 μg/L WITHIN THE SHALLOW FLOW LAYER, 55 μg/L WITHIN THE DEEP FLOW LAYER, AND 9.9 μg/L WITHIN THE BEDROCK FLOW LAYER. 4.CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC BTV BUT WITHIN THE BACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGIC SETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENT MIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THE ASH BASIN. CROSS SECTION LOCATIONC'CNOTE: CROSS SECTION C-C' IS LINEAR IN NATURE AND ALL LOCATIONS NOT ALONG THE CROSS SECTION ARE PROJECTED ONTO THE CROSS SECTION.PINE HALL ROADPINE HALL ROAD ASH LANDFILL ASH BASIN MIDDLETON LOOP2.14 CONCENTRATION IN µg/L MANGANESE ISOPLETH IN µg/L (2L STANDARD = 50 µg/L) GENERALIZED WATER TABLE MW-16BR MW-16D MW-12S WELL IN DEEP ZONE WELL IN SHALLOW ZONE WELL IN COMPETENT BEDROCK LEGEND GENERALIZED GROUNDWATER FLOW DIRECTION CAROLINAS NS NOT SAMPLED BEDROCK WEATHERED ROCK ASH PORE WATER A A' (SOUTH)(NORTH) SAPROLITE WATER IN BASIN SAPROLITE SAPROLITESAPROLITE BEDROCK BEDROCK BEDROCK ASH PORE WATER ASH FILL TRANSITION ZONE TRANSITION ZONE FILLBELEWS RESERVOIRDAN RIVER 0 100 200 600 HORIZONTAL SCALE: 1" = 600' VERTICAL SCALE: 1" = 120' 5X VERTICAL EXAGGERATION <1 <1 0.81 0.12 j 0.44 j 10.5 0.58 19.4 <0.5 3.6 <0.5 2.2 2.2 174 5.3 0.26 j, B 26.6 364 2.4 0.73 <1 <1 0.32 j 0.2 j 3.4MW-202SMW-202DMW-202BRGWA-12SGWA-12DGWA-12BRGWA-23SGWA-23DGWA-8SGWA-8DAB-9SAB-9DAB-9BRAB-9BRDAB-8SAB-8DAB-8SLAB-5SAB-5DAB-8SLAB-5GTBAB-2SAB-2DAB-2GTBMW-102SMW-102DMW-200SMW-200DMW-200BRGWA-24SGWA-24DGWA-24BRACCESS ROADFILL A'A148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY: SCOTT SPINNER DATE:ADAM FEIGL AA-MOLYBDENUM 08/13/2017 10/30/2017 10:10 AM P:\Duke Energy Carolinas\20. BELEWS CREEK\CSA UPDATE OCT 2017\FIGURES\CrossSections\Belews_XSects_A-C_Analytical.dwg FIGURE 11-40 MOLYBDENUM ANALYTICAL RESULTS CROSS SECTION A-A' BELEWS CREEK STEAM STATION DUKE ENERGY CAROLINAS, LLC BELEWS CREEK, NORTH CAROLINA SOURCE INFORMATION: ORIGINAL CROSS SECTION BASE OBTAINED FROM HDR, CSA SUPPLEMENT 2, DATED AUGUST 2016. NOTES 1.DEPTH TO GROUNDWATER GAUGED IN MONITORING WELLS ON APRIL 3, 2017. 2.THE NORTH CAROLINA 2L FOR MOLYBDENUM HAS NOT BEEN ESTABLISHED. 3.BACKGROUND CONCENTRATION FOR MOLYBDENUM IS 1 μg/L WITHIN THE SHALLOW FLOW LAYER, 1.3 μg/L WITHIN THE DEEP FLOW LAYER, AND 3.7 μg/L WITHIN THE BEDROCK FLOW LAYER. 4.CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC BTV BUT WITHIN THE BACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGIC SETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENT MIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THE ASH BASIN. CROSS SECTION LOCATION NOTE: CROSS SECTION A-A' IS LINEAR IN NATURE AND ALL LOCATIONS NOT ALONG THE CROSS SECTION ARE PROJECTED ONTO THE CROSS SECTION.PINE HALL ROADPINE HALL ROAD ASH LANDFILL ASH BASIN MIDDLETON LOOP2.14 CONCENTRATION IN µg/L GENERALIZED WATER TABLE ASH ASH PORE WATER MW-16BR MW-16D MW-12S ABMW-2 WELL IN DEEP ZONE WELL IN SHALLOW ZONE WELL IN COMPETENT BEDROCK WELL IN ASH PORE WATER LEGEND GENERALIZED GROUNDWATER FLOW DIRECTION BEDROCK MW-102S ABANDONED WELL/ GEOTECHNICAL BORING WEATHERED ROCK CAROLINAS B B' B B' (WEST)(EAST) ASH PORE WATER SAPROLITE SAPROLITESAPROLITE BEDROCK BEDROCK BEDROCK ASH ASH ASH PORE WATERTRANSITION ZONE TRANSITION ZONE TRANSITION ZONE MIDDLETON LOOP BELEWS RESERVOIR 0 100 200 600 HORIZONTAL SCALE: 1" = 600' VERTICAL SCALE: 1" = 120' 5X VERTICAL EXAGGERATION 0.29 j 0.3 j <0.5 2.4 9 5.9 3460 16.1 26.6 364 2.4 3 0.93 1.2 <0.5 1.3 0.16 j 0.57 6.5 <0.5GWA-17SGWA-17DGWA-16SGWA-16DGWA-16BRAB-4SLAB-4SAB-4BRAB-4DAB-4BRDAB-5SLAB-5SAB-5GTBAB-5DAB-6SLAB-6SAB-6GTBAB-6DGWA-5BR2GWA-5BRGWA-5DGWA-5GTBGWA-5SGWA-4DGWA-22SGWA-22DGWA-3SGWA-3DASH BASIN BRANCHWATER IN BASIN 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY: SCOTT SPINNER DATE:ADAM FEIGL BB-MOLYBDENUM 08/13/2017 10/30/2017 10:10 AM P:\Duke Energy Carolinas\20. BELEWS CREEK\CSA UPDATE OCT 2017\FIGURES\CrossSections\Belews_XSects_A-C_Analytical.dwg FIGURE 11-41 MOLYBDENUM ANALYTICAL RESULTS CROSS SECTION B-B' BELEWS CREEK STEAM STATION DUKE ENERGY CAROLINAS, LLC BELEWS CREEK, NORTH CAROLINACROSS SECTION LOCATION NOTE: CROSS SECTION B-B' IS LINEAR IN NATURE AND ALL LOCATIONS NOT ALONG THE CROSS SECTION ARE PROJECTED ONTO THE CROSS SECTION.PINE HALL ROADPINE HALL ROAD ASH LANDFILL ASH BASIN MIDDLETON LOOPSOURCE INFORMATION: ORIGINAL CROSS SECTION BASE OBTAINED FROM HDR, CSA SUPPLEMENT 2, DATED AUGUST 2016. NOTES 1.DEPTH TO GROUNDWATER GAUGED IN MONITORING WELLS ON APRIL 3, 2017. 2.THE NORTH CAROLINA 2L FOR MOLYBDENUM HAS NOT BEEN ESTABLISHED. 3.BACKGROUND CONCENTRATION FOR MOLYBDENUM IS 1 μg/L WITHIN THE SHALLOW FLOW LAYER, 1.3 μg/L WITHIN THE DEEP FLOW LAYER, AND 3.7 μg/L WITHIN THE BEDROCK FLOW LAYER. 4.CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC BTV BUT WITHIN THE BACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGIC SETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENT MIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THE ASH BASIN.2.14 CONCENTRATION IN µg/L GENERALIZED WATER TABLE ASH ASH PORE WATER MW-16BR MW-16D MW-12S ABMW-2 WELL IN DEEP ZONE WELL IN SHALLOW ZONE WELL IN COMPETENT BEDROCK WELL IN ASH PORE WATER LEGEND GENERALIZED GROUNDWATER FLOW DIRECTION BEDROCK MW-102S ABANDONED WELL/ GEOTECHNICAL BORING WEATHERED ROCK CAROLINAS C'C0 100 200 600 HORIZONTAL SCALE: 1" = 600' VERTICAL SCALE: 1" = 120' 5X VERTICAL EXAGGERATION <0.5 <0.5 NS <0.5 1.1 0.12 j 2.3 2.6 <1 1.4 2.3 <0.5 2.4 0.29 j 0.3 j <0.5 1.9 0.15 j 1.2 j 0.28 j 0.58 6.2 1.6 <1 0.32 j <1 C C' (SOUTH)(NORTH) SAPROLITE SAPROLITE SAPROLITE BEDROCK BEDROCK BEDROCK BEDROCK TRANSITION ZONE TRANSITION ZONEMIDDLETON LOOPPINE HALL ROADGWA-26SGWA-26DGWA-26BRBG-3SBG-3DGWA-25BRTRANSITION ZONE GWA-9SGWA-9DGWA-9BRMW-203SMW-203DMW-203BRGWA-16SGWA-16DGWA-16BRGWA-17SGWA-17DGWA-10SGWA-10DGWA-27SGWA-27DGWA-27BRGWA-11SGWA-11DGWA-1SGWA-1DMW-200SMW-200DMW-200BRDAN RIVER ASH BASIN BRANCH148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY: SCOTT SPINNER DATE:ADAM FEIGL CC-MOLYBDENUM 08/13/2017 10/30/2017 10:10 AM P:\Duke Energy Carolinas\20. BELEWS CREEK\CSA UPDATE OCT 2017\FIGURES\CrossSections\Belews_XSects_A-C_Analytical.dwg FIGURE 11-42 MOLYBDENUM ANALYTICAL RESULTS CROSS SECTION C-C' BELEWS CREEK STEAM STATION DUKE ENERGY CAROLINAS, LLC BELEWS CREEK, NORTH CAROLINA SOURCE INFORMATION: NOTES 1.DEPTH TO GROUNDWATER GAUGED IN MONITORING WELLS ON APRIL 3, 2017. 2.THE NORTH CAROLINA 2L FOR MOLYBDENUM HAS NOT BEEN ESTABLISHED. 3.BACKGROUND CONCENTRATION FOR MOLYBDENUM IS 1 μg/L WITHIN THE SHALLOW FLOW LAYER, 1.3 μg/L WITHIN THE DEEP FLOW LAYER, AND 3.7 μg/L WITHIN THE BEDROCK FLOW LAYER. 4.CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC BTV BUT WITHIN THE BACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGIC SETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENT MIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THE ASH BASIN. CROSS SECTION LOCATIONC'CNOTE: CROSS SECTION C-C' IS LINEAR IN NATURE AND ALL LOCATIONS NOT ALONG THE CROSS SECTION ARE PROJECTED ONTO THE CROSS SECTION.PINE HALL ROADPINE HALL ROAD ASH LANDFILL ASH BASIN MIDDLETON LOOPORIGINAL CROSS SECTION BASE OBTAINED FROM HDR, CSA SUPPLEMENT 2, DATED AUGUST 2016. 2.14 CONCENTRATION IN µg/L GENERALIZED WATER TABLE MW-16BR MW-16D MW-12S WELL IN DEEP ZONE WELL IN SHALLOW ZONE WELL IN COMPETENT BEDROCK LEGEND GENERALIZED GROUNDWATER FLOW DIRECTION CAROLINAS NS NOT SAMPLED BEDROCK WEATHERED ROCK ASH PORE WATER A A' (SOUTH)(NORTH) SAPROLITE WATER IN BASIN SAPROLITE SAPROLITESAPROLITE BEDROCK BEDROCK BEDROCK ASH PORE WATER ASH FILL TRANSITION ZONE TRANSITION ZONE FILLBELEWS RESERVOIRDAN RIVER 0 100 200 600 HORIZONTAL SCALE: 1" = 600' VERTICAL SCALE: 1" = 120' 5X VERTICAL EXAGGERATION 5.6 5.9 6.4 5.8 6.1 7.9 5.5 6.6 5.3 6.9 5.2 6.9 7.6 6.8 5.8 5.9 8.6 10.1 6.6 5.7 5.1 6.1 7.3 5.5 7.8MW-202SMW-202DMW-202BRGWA-12SGWA-12DGWA-12BRGWA-23SGWA-23DGWA-8SGWA-8DAB-9SAB-9DAB-9BRAB-9BRDAB-8SAB-8DAB-8SLAB-5SAB-5DAB-8SLAB-5GTBAB-2SAB-2DAB-2GTBMW-102SMW-102DMW-200SMW-200DMW-200BRGWA-24SGWA-24DGWA-24BRACCESS ROADFILL A'A148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY: SCOTT SPINNER DATE:ADAM FEIGL AA-PH 08/13/2017 10/30/2017 10:10 AM P:\Duke Energy Carolinas\20. BELEWS CREEK\CSA UPDATE OCT 2017\FIGURES\CrossSections\Belews_XSects_A-C_Analytical.dwg FIGURE 11-43 pH ANALYTICAL RESULTS CROSS SECTION A-A' BELEWS CREEK STEAM STATION DUKE ENERGY CAROLINAS, LLC BELEWS CREEK, NORTH CAROLINA SOURCE INFORMATION: ORIGINAL CROSS SECTION BASE OBTAINED FROM HDR, CSA SUPPLEMENT 2, DATED AUGUST 2016. NOTES 1.DEPTH TO GROUNDWATER GAUGED IN MONITORING WELLS ON APRIL 3, 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 5.1 - 6.03 S.U. WITHIN THE SHALLOW FLOW LAYER, 5.19 - 7.02 S.U. WITHIN THE DEEP FLOW LAYER AND 6.3 - 6.5 S.U. WITHIN THE BEDROCK FLOW LAYER. 4.CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC BTV BUT WITHIN THE BACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGIC SETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENT MIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THE ASH BASIN. CROSS SECTION LOCATION NOTE: CROSS SECTION A-A' IS LINEAR IN NATURE AND ALL LOCATIONS NOT ALONG THE CROSS SECTION ARE PROJECTED ONTO THE CROSS SECTION.PINE HALL ROADPINE HALL ROAD ASH LANDFILL ASH BASIN MIDDLETON LOOP2.14 CONCENTRATION IN STANDARD UNITS (S.U.) GENERALIZED WATER TABLE ASH ASH PORE WATER MW-16BR MW-16D MW-12S ABMW-2 WELL IN DEEP ZONE WELL IN SHALLOW ZONE WELL IN COMPETENT BEDROCK WELL IN ASH PORE WATER LEGEND GENERALIZED GROUNDWATER FLOW DIRECTION BEDROCK MW-102S ABANDONED WELL/ GEOTECHNICAL BORING WEATHERED ROCK CAROLINAS B B' B B' (WEST)(EAST) ASH PORE WATER SAPROLITE SAPROLITESAPROLITE BEDROCK BEDROCK BEDROCK ASH ASH ASH PORE WATERTRANSITION ZONE TRANSITION ZONE TRANSITION ZONE MIDDLETON LOOP BELEWS RESERVOIR 0 100 200 600 HORIZONTAL SCALE: 1" = 600' VERTICAL SCALE: 1" = 120' 5X VERTICAL EXAGGERATION 5.4 6.9 4.9 6.8 6.2 7.9 11.1 7.0 8.6 10.1 6.6 6.9 6.6 6.6 5.8 7.0 6.4 5.8 5.9 6.1GWA-17SGWA-17DGWA-16SGWA-16DGWA-16BRAB-4SLAB-4SAB-4BRAB-4DAB-4BRDAB-5SLAB-5SAB-5GTBAB-5DAB-6SLAB-6SAB-6GTBAB-6DGWA-5BR2GWA-5BRGWA-5DGWA-5GTBGWA-5SGWA-4DGWA-22SGWA-22DGWA-3SGWA-3DASH BASIN BRANCHWATER IN BASIN 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY: SCOTT SPINNER DATE:ADAM FEIGL BB-PH 08/13/2017 10/30/2017 10:10 AM P:\Duke Energy Carolinas\20. BELEWS CREEK\CSA UPDATE OCT 2017\FIGURES\CrossSections\Belews_XSects_A-C_Analytical.dwg FIGURE 11-44 pH ANALYTICAL RESULTS CROSS SECTION B-B' BELEWS CREEK STEAM STATION DUKE ENERGY CAROLINAS, LLC BELEWS CREEK, NORTH CAROLINACROSS SECTION LOCATION NOTE: CROSS SECTION B-B' IS LINEAR IN NATURE AND ALL LOCATIONS NOT ALONG THE CROSS SECTION ARE PROJECTED ONTO THE CROSS SECTION.PINE HALL ROADPINE HALL ROAD ASH LANDFILL ASH BASIN MIDDLETON LOOPSOURCE INFORMATION: ORIGINAL CROSS SECTION BASE OBTAINED FROM HDR, CSA SUPPLEMENT 2, DATED AUGUST 2016. NOTES 1.DEPTH TO GROUNDWATER GAUGED IN MONITORING WELLS ON APRIL 3, 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 5.1 - 6.03 S.U. WITHIN THE SHALLOW FLOW LAYER, 5.19 - 7.02 S.U. WITHIN THE DEEP FLOW LAYER AND 6.3 - 6.5 S.U. WITHIN THE BEDROCK FLOW LAYER. 4.CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC BTV BUT WITHIN THE BACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGIC SETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENT MIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THE ASH BASIN.2.14 CONCENTRATION IN STANDARD UNITS (S.U.) GENERALIZED WATER TABLE ASH ASH PORE WATER MW-16BR MW-16D MW-12S ABMW-2 WELL IN DEEP ZONE WELL IN SHALLOW ZONE WELL IN COMPETENT BEDROCK WELL IN ASH PORE WATER LEGEND GENERALIZED GROUNDWATER FLOW DIRECTION BEDROCK MW-102S ABANDONED WELL/ GEOTECHNICAL BORING WEATHERED ROCK CAROLINAS C'C0 100 200 600 HORIZONTAL SCALE: 1" = 600' VERTICAL SCALE: 1" = 120' 5X VERTICAL EXAGGERATION 5.4 6.1 5.6 6.1 5.1 6.2 6.1 5.5 6.4 6.7 4.9 6.8 5.4 6.9 4.5 7.0 4.5 5.7 4.5 5.0 4.8 6.5 6.1 7.3 5.1 C C' (SOUTH)(NORTH) SAPROLITE SAPROLITE SAPROLITE BEDROCK BEDROCK BEDROCK BEDROCK TRANSITION ZONE TRANSITION ZONEMIDDLETON LOOPPINE HALL ROADGWA-26SGWA-26DGWA-26BRBG-3SBG-3DGWA-25BRTRANSITION ZONE GWA-9SGWA-9DGWA-9BRMW-203SMW-203DMW-203BRGWA-16SGWA-16DGWA-16BRGWA-17SGWA-17DGWA-10SGWA-10DGWA-27SGWA-27DGWA-27BRGWA-11SGWA-11DGWA-1SGWA-1DMW-200SMW-200DMW-200BRNS DAN RIVER ASH BASIN BRANCH148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY: SCOTT SPINNER DATE:ADAM FEIGL CC-PH 08/13/2017 10/30/2017 10:10 AM P:\Duke Energy Carolinas\20. BELEWS CREEK\CSA UPDATE OCT 2017\FIGURES\CrossSections\Belews_XSects_A-C_Analytical.dwg FIGURE 11-45 pH ANALYTICAL RESULTS CROSS SECTION C-C' BELEWS CREEK STEAM STATION DUKE ENERGY CAROLINAS, LLC BELEWS CREEK, NORTH CAROLINACROSS SECTION LOCATIONC'CNOTE: CROSS SECTION C-C' IS LINEAR IN NATURE AND ALL LOCATIONS NOT ALONG THE CROSS SECTION ARE PROJECTED ONTO THE CROSS SECTION.PINE HALL ROADPINE HALL ROAD ASH LANDFILL ASH BASIN MIDDLETON LOOPSOURCE INFORMATION: ORIGINAL CROSS SECTION BASE OBTAINED FROM HDR, CSA SUPPLEMENT 2, DATED AUGUST 2016. NOTES 1.DEPTH TO GROUNDWATER GAUGED IN MONITORING WELLS ON APRIL 3, 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 5.1 - 6.03 S.U. WITHIN THE SHALLOW FLOW LAYER, 5.19 - 7.02 S.U. WITHIN THE DEEP FLOW LAYER AND 6.3 - 6.5 S.U. WITHIN THE BEDROCK FLOW LAYER. 4.CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC BTV BUT WITHIN THE BACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGIC SETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENT MIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THE ASH BASIN. 2.14 CONCENTRATION IN STANDARD UNITS (S.U.) GENERALIZED WATER TABLE MW-16BR MW-16D MW-12S WELL IN DEEP ZONE WELL IN SHALLOW ZONE WELL IN COMPETENT BEDROCK LEGEND GENERALIZED GROUNDWATER FLOW DIRECTION CAROLINAS BEDROCK WEATHERED ROCK ASH PORE WATER A A' (SOUTH)(NORTH) SAPROLITE WATER IN BASIN SAPROLITE SAPROLITESAPROLITE BEDROCK BEDROCK BEDROCK ASH PORE WATER ASH FILL TRANSITION ZONE TRANSITION ZONE FILLBELEWS RESERVOIRDAN RIVER 0 100 200 600 HORIZONTAL SCALE: 1" = 600' VERTICAL SCALE: 1" = 120' 5X VERTICAL EXAGGERATION <1 <1 <0.5 <0.5 <0.5 <0.5 6.8 11.3 27.8 <0.5 <0.5 <0.5 <0.5 <5 15.3 <0.5 5.5 0.38 j 0.4 j 2.4 <1 <1 <0.5 <0.5 <0.5 20MW-202SMW-202DMW-202BRGWA-12SGWA-12DGWA-12BRGWA-23SGWA-23DGWA-8SGWA-8DAB-9SAB-9DAB-9BRAB-9BRDAB-8SAB-8DAB-8SLAB-5SAB-5DAB-8SLAB-5GTBAB-2SAB-2DAB-2GTBMW-102SMW-102DMW-200SMW-200DMW-200BRGWA-24SGWA-24DGWA-24BRACCESS ROADFILL A'A148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY: SCOTT SPINNER DATE:ADAM FEIGL AA-SELENIUM 08/13/2017 10/30/2017 10:10 AM P:\Duke Energy Carolinas\20. BELEWS CREEK\CSA UPDATE OCT 2017\FIGURES\CrossSections\Belews_XSects_A-C_Analytical.dwg FIGURE 11-46 SELENIUM ANALYTICAL RESULTS CROSS SECTION A-A' BELEWS CREEK STEAM STATION DUKE ENERGY CAROLINAS, LLC BELEWS CREEK, NORTH CAROLINA SOURCE INFORMATION: ORIGINAL CROSS SECTION BASE OBTAINED FROM HDR, CSA SUPPLEMENT 2, DATED AUGUST 2016. NOTES 1.DEPTH TO GROUNDWATER GAUGED IN MONITORING WELLS ON APRIL 3, 2017. 2.THE NORTH CAROLINA 2L FOR SELENIUM IS 20 µg/L. 3.BACKGROUND CONCENTRATION FOR SELENIUM IS NON-DETECT WITHIN THE SHALLOW AND DEEP FLOW LAYERS AND 0.5 µg/L WITHIN THE BEDROCK FLOW LAYER. 4.CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC BTV BUT WITHIN THE BACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGIC SETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENT MIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THE ASH BASIN. CROSS SECTION LOCATION NOTE: CROSS SECTION A-A' IS LINEAR IN NATURE AND ALL LOCATIONS NOT ALONG THE CROSS SECTION ARE PROJECTED ONTO THE CROSS SECTION.PINE HALL ROADPINE HALL ROAD ASH LANDFILL ASH BASIN MIDDLETON LOOP2.14 CONCENTRATION IN µg/L SELENIUM ISOPLETH IN µg/L (2L STANDARD = 20 µg/L) GENERALIZED WATER TABLE ASH ASH PORE WATER MW-16BR MW-16D MW-12S ABMW-2 WELL IN DEEP ZONE WELL IN SHALLOW ZONE WELL IN COMPETENT BEDROCK WELL IN ASH PORE WATER LEGEND GENERALIZED GROUNDWATER FLOW DIRECTION BEDROCK MW-102S ABANDONED WELL/ GEOTECHNICAL BORING WEATHERED ROCK CAROLINAS B B' B B' (WEST)(EAST) ASH PORE WATER SAPROLITE SAPROLITESAPROLITE BEDROCK BEDROCK BEDROCK ASH ASH ASH PORE WATERTRANSITION ZONE TRANSITION ZONE TRANSITION ZONE MIDDLETON LOOP BELEWS RESERVOIR 0 100 200 600 HORIZONTAL SCALE: 1" = 600' VERTICAL SCALE: 1" = 120' 5X VERTICAL EXAGGERATION <0.5 <50 0.48 j 29.7 0.38 j 5.5 0.4 j 0.51 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 20GWA-17SGWA-17DGWA-16SGWA-16DGWA-16BRAB-4SLAB-4SAB-4BRAB-4DAB-4BRDAB-5SLAB-5SAB-5GTBAB-5DAB-6SLAB-6SAB-6GTBAB-6DGWA-5BR2GWA-5BRGWA-5DGWA-5GTBGWA-5SGWA-4DGWA-22SGWA-22DGWA-3SGWA-3DASH BASIN BRANCHWATER IN BASIN 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY: SCOTT SPINNER DATE:ADAM FEIGL BB-SELENIUM 08/13/2017 10/30/2017 10:10 AM P:\Duke Energy Carolinas\20. BELEWS CREEK\CSA UPDATE OCT 2017\FIGURES\CrossSections\Belews_XSects_A-C_Analytical.dwg FIGURE 11-47 SELENIUM ANALYTICAL RESULTS CROSS SECTION B-B' BELEWS CREEK STEAM STATION DUKE ENERGY CAROLINAS, LLC BELEWS CREEK, NORTH CAROLINACROSS SECTION LOCATION NOTE: CROSS SECTION B-B' IS LINEAR IN NATURE AND ALL LOCATIONS NOT ALONG THE CROSS SECTION ARE PROJECTED ONTO THE CROSS SECTION.PINE HALL ROADPINE HALL ROAD ASH LANDFILL ASH BASIN MIDDLETON LOOPSOURCE INFORMATION: ORIGINAL CROSS SECTION BASE OBTAINED FROM HDR, CSA SUPPLEMENT 2, DATED AUGUST 2016. NOTES 1.DEPTH TO GROUNDWATER GAUGED IN MONITORING WELLS ON APRIL 3, 2017. 2.THE NORTH CAROLINA 2L FOR SELENIUM IS 20 µg/L. 3.BACKGROUND CONCENTRATION FOR SELENIUM IS NON-DETECT WITHIN THE SHALLOW AND DEEP FLOW LAYERS AND 0.5 µg/L WITHIN THE BEDROCK FLOW LAYER. 4.CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC BTV BUT WITHIN THE BACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGIC SETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENT MIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THE ASH BASIN. 2.14 CONCENTRATION IN µg/L SELENIUM ISOPLETH IN µg/L (2L STANDARD = 20 µg/L) GENERALIZED WATER TABLE ASH ASH PORE WATER MW-16BR MW-16D MW-12S ABMW-2 WELL IN DEEP ZONE WELL IN SHALLOW ZONE WELL IN COMPETENT BEDROCK WELL IN ASH PORE WATER LEGEND GENERALIZED GROUNDWATER FLOW DIRECTION BEDROCK MW-102S ABANDONED WELL/ GEOTECHNICAL BORING WEATHERED ROCK CAROLINAS C'C0 100 200 600 HORIZONTAL SCALE: 1" = 600' VERTICAL SCALE: 1" = 120' 5X VERTICAL EXAGGERATION <0.5 <0.5 6.4 <0.5 <0.5 <0.5 <0.5 <0.5 <1 <1 <0.5 <0.5 <0.5 <0.5 <0.5 23.1 <0.5 5.8 <5 8.7 <0.5 0.37 j <0.5 <1 <0.5 <1 20 C C' (SOUTH)(NORTH) SAPROLITE SAPROLITE SAPROLITE BEDROCK BEDROCK BEDROCK BEDROCK TRANSITION ZONE TRANSITION ZONEMIDDLETON LOOPPINE HALL ROADGWA-26SGWA-26DGWA-26BRBG-3SBG-3DGWA-25BRTRANSITION ZONE GWA-9SGWA-9DGWA-9BRMW-203SMW-203DMW-203BRGWA-16SGWA-16DGWA-16BRGWA-17SGWA-17DGWA-10SGWA-10DGWA-27SGWA-27DGWA-27BRGWA-11SGWA-11DGWA-1SGWA-1DMW-200SMW-200DMW-200BRDAN RIVER ASH BASIN BRANCH148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY: SCOTT SPINNER DATE:ADAM FEIGL CC-SELENIUM 08/13/2017 10/30/2017 10:10 AM P:\Duke Energy Carolinas\20. BELEWS CREEK\CSA UPDATE OCT 2017\FIGURES\CrossSections\Belews_XSects_A-C_Analytical.dwg FIGURE 11-48 SELENIUM ANALYTICAL RESULTS CROSS SECTION C-C' BELEWS CREEK STEAM STATION DUKE ENERGY CAROLINAS, LLC BELEWS CREEK, NORTH CAROLINACROSS SECTION LOCATIONC'CNOTE: CROSS SECTION C-C' IS LINEAR IN NATURE AND ALL LOCATIONS NOT ALONG THE CROSS SECTION ARE PROJECTED ONTO THE CROSS SECTION.PINE HALL ROADPINE HALL ROAD ASH LANDFILL ASH BASIN MIDDLETON LOOPSOURCE INFORMATION: ORIGINAL CROSS SECTION BASE OBTAINED FROM HDR, CSA SUPPLEMENT 2, DATED AUGUST 2016. NOTES 1.DEPTH TO GROUNDWATER GAUGED IN MONITORING WELLS ON APRIL 3, 2017. 2.THE NORTH CAROLINA 2L FOR SELENIUM IS 20 µg/L. 3.BACKGROUND CONCENTRATION FOR SELENIUM IS NON-DETECT WITHIN THE SHALLOW AND DEEP FLOW LAYERS AND 0.5 µg/L WITHIN THE BEDROCK FLOW LAYER. 4.CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC BTV BUT WITHIN THE BACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGIC SETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENT MIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THE ASH BASIN. 2.14 CONCENTRATION IN µg/L SELENIUM ISOPLETH IN µg/L (2L STANDARD = 20 µg/L) GENERALIZED WATER TABLE MW-16BR MW-16D MW-12S WELL IN DEEP ZONE WELL IN SHALLOW ZONE WELL IN COMPETENT BEDROCK LEGEND GENERALIZED GROUNDWATER FLOW DIRECTION CAROLINAS NS NOT SAMPLED BEDROCK WEATHERED ROCK ASH PORE WATER A A' (SOUTH)(NORTH) SAPROLITE WATER IN BASIN SAPROLITE SAPROLITESAPROLITE BEDROCK BEDROCK BEDROCK ASH PORE WATER ASH FILL TRANSITION ZONE TRANSITION ZONE FILLBELEWS RESERVOIRDAN RIVER 0 100 200 600 HORIZONTAL SCALE: 1" = 600' VERTICAL SCALE: 1" = 120' 5X VERTICAL EXAGGERATION 10 41 37.8 18.9 21.2 49.3 600 887 314 57.6 6.7 108 119 1420 M1 244 65.7 284 4450 52.9 807 68 117 193 92.8 120MW-202SMW-202DMW-202BRGWA-12SGWA-12DGWA-12BRGWA-23SGWA-23DGWA-8SGWA-8DAB-9SAB-9DAB-9BRAB-9BRDAB-8SAB-8DAB-8SLAB-5SAB-5DAB-8SLAB-5GTBAB-2SAB-2DAB-2GTBMW-102SMW-102DMW-200SMW-200DMW-200BRGWA-24SGWA-24DGWA-24BRACCESS ROADFILL A'A148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY: SCOTT SPINNER DATE:ADAM FEIGL AA-STRONTIUM 08/13/2017 10/30/2017 10:10 AM P:\Duke Energy Carolinas\20. BELEWS CREEK\CSA UPDATE OCT 2017\FIGURES\CrossSections\Belews_XSects_A-C_Analytical.dwg FIGURE 11-49 STRONTIUM ANALYTICAL RESULTS CROSS SECTION A-A' BELEWS CREEK STEAM STATION DUKE ENERGY CAROLINAS, LLC BELEWS CREEK, NORTH CAROLINA SOURCE INFORMATION: ORIGINAL CROSS SECTION BASE OBTAINED FROM HDR, CSA SUPPLEMENT 2, DATED AUGUST 2016. NOTES 1. DEPTH TO GROUNDWATER GAUGED IN MONITORING WELLS ON APRIL 3, 2017. 2.THE NORTH CAROLINA 2L FOR STRONTIUM HAS NOT BEEN ESTABLISHED. 3.BACKGROUND CONCENTRATION FOR STRONTIUM IS 56.5 μg/L WITHIN THE SHALLOW FLOW LAYER, 68.5 μg/L WITHIN THE DEEP FLOW LAYER, AND 100 μg/L WITHIN THE BEDROCK FLOW LAYER. 4.CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC BTV BUT WITHIN THE BACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGIC SETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENT MIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THE ASH BASIN. CROSS SECTION LOCATION NOTE: CROSS SECTION A-A' IS LINEAR IN NATURE AND ALL LOCATIONS NOT ALONG THE CROSS SECTION ARE PROJECTED ONTO THE CROSS SECTION.PINE HALL ROADPINE HALL ROAD ASH LANDFILL ASH BASIN MIDDLETON LOOP2.14 CONCENTRATION IN µg/L GENERALIZED WATER TABLE ASH ASH PORE WATER MW-16BR MW-16D MW-12S ABMW-2 WELL IN DEEP ZONE WELL IN SHALLOW ZONE WELL IN COMPETENT BEDROCK WELL IN ASH PORE WATER LEGEND GENERALIZED GROUNDWATER FLOW DIRECTION BEDROCK MW-102S ABANDONED WELL/ GEOTECHNICAL BORING WEATHERED ROCK CAROLINAS B B' B B' (WEST)(EAST) ASH PORE WATER SAPROLITE SAPROLITESAPROLITE BEDROCK BEDROCK BEDROCK ASH ASH ASH PORE WATERTRANSITION ZONE TRANSITION ZONE TRANSITION ZONE MIDDLETON LOOP BELEWS RESERVOIR 0 100 200 600 HORIZONTAL SCALE: 1" = 600' VERTICAL SCALE: 1" = 120' 5X VERTICAL EXAGGERATION 12.2 44.2 8.5 47 169 79.3 2660 1500 284 4450 52.9 96.5 930 57 74.9 458 179 47.2 131 111GWA-17SGWA-17DGWA-16SGWA-16DGWA-16BRAB-4SLAB-4SAB-4BRAB-4DAB-4BRDAB-5SLAB-5SAB-5GTBAB-5DAB-6SLAB-6SAB-6GTBAB-6DGWA-5BR2GWA-5BRGWA-5DGWA-5GTBGWA-5SGWA-4DGWA-22SGWA-22DGWA-3SGWA-3DASH BASIN BRANCHWATER IN BASIN 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY: SCOTT SPINNER DATE:ADAM FEIGL BB-STRONTIUM 08/13/2017 10/30/2017 10:10 AM P:\Duke Energy Carolinas\20. BELEWS CREEK\CSA UPDATE OCT 2017\FIGURES\CrossSections\Belews_XSects_A-C_Analytical.dwg FIGURE 11-50 STRONTIUM ANALYTICAL RESULTS CROSS SECTION B-B' BELEWS CREEK STEAM STATION DUKE ENERGY CAROLINAS, LLC BELEWS CREEK, NORTH CAROLINACROSS SECTION LOCATION NOTE: CROSS SECTION B-B' IS LINEAR IN NATURE AND ALL LOCATIONS NOT ALONG THE CROSS SECTION ARE PROJECTED ONTO THE CROSS SECTION.PINE HALL ROADPINE HALL ROAD ASH LANDFILL ASH BASIN MIDDLETON LOOPSOURCE INFORMATION: ORIGINAL CROSS SECTION BASE OBTAINED FROM HDR, CSA SUPPLEMENT 2, DATED AUGUST 2016. NOTES 1 DEPTH TO GROUNDWATER GAUGED IN MONITORING WELLS ON APRIL 3, 2017. 2.THE NORTH CAROLINA 2L FOR STRONTIUM HAS NOT BEEN ESTABLISHED. 3.BACKGROUND CONCENTRATION FOR STRONTIUM IS 56.5 μg/L WITHIN THE SHALLOW FLOW LAYER, 68.5 μg/L WITHIN THE DEEP FLOW LAYER, AND 100 μg/L WITHIN THE BEDROCK FLOW LAYER. 4.CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC BTV BUT WITHIN THE BACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGIC SETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENT MIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THE ASH BASIN.2.14 CONCENTRATION IN µg/L GENERALIZED WATER TABLE ASH ASH PORE WATER MW-16BR MW-16D MW-12S ABMW-2 WELL IN DEEP ZONE WELL IN SHALLOW ZONE WELL IN COMPETENT BEDROCK WELL IN ASH PORE WATER LEGEND GENERALIZED GROUNDWATER FLOW DIRECTION BEDROCK MW-102S ABANDONED WELL/ GEOTECHNICAL BORING WEATHERED ROCK CAROLINAS C'C0 100 200 600 HORIZONTAL SCALE: 1" = 600' VERTICAL SCALE: 1" = 120' 5X VERTICAL EXAGGERATION C C' (SOUTH)(NORTH) SAPROLITE SAPROLITE SAPROLITE BEDROCK BEDROCK BEDROCK BEDROCK TRANSITION ZONE TRANSITION ZONEMIDDLETON LOOPPINE HALL ROADGWA-26SGWA-26DGWA-26BRBG-3SBG-3DGWA-25BRTRANSITION ZONE GWA-9SGWA-9DGWA-9BRMW-203SMW-203DMW-203BRGWA-16SGWA-16DGWA-16BRGWA-17SGWA-17DGWA-10SGWA-10DGWA-27SGWA-27DGWA-27BRGWA-11SGWA-11DGWA-1SGWA-1DMW-200SMW-200DMW-200BRDAN RIVER ASH BASIN BRANCH148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY: SCOTT SPINNER DATE:ADAM FEIGL CC-STRONTIUM 08/13/2017 10/30/2017 10:10 AM P:\Duke Energy Carolinas\20. BELEWS CREEK\CSA UPDATE OCT 2017\FIGURES\CrossSections\Belews_XSects_A-C_Analytical.dwg FIGURE 11-51 STRONTIUM ANALYTICAL RESULTS CROSS SECTION C-C' BELEWS CREEK STEAM STATION DUKE ENERGY CAROLINAS, LLC BELEWS CREEK, NORTH CAROLINACROSS SECTION LOCATIONC'CNOTE: CROSS SECTION C-C' IS LINEAR IN NATURE AND ALL LOCATIONS NOT ALONG THE CROSS SECTION ARE PROJECTED ONTO THE CROSS SECTION.PINE HALL ROADPINE HALL ROAD ASH LANDFILL ASH BASIN MIDDLETON LOOPSOURCE INFORMATION: ORIGINAL CROSS SECTION BASE OBTAINED FROM HDR, CSA SUPPLEMENT 2, DATED AUGUST 2016. NOTES 1 DEPTH TO GROUNDWATER GAUGED IN MONITORING WELLS ON APRIL 3, 2017. 2.THE NORTH CAROLINA 2L FOR STRONTIUM HAS NOT BEEN ESTABLISHED. 3.BACKGROUND CONCENTRATION FOR STRONTIUM IS 56.5 μg/L WITHIN THE SHALLOW FLOW LAYER, 68.5 μg/L WITHIN THE DEEP FLOW LAYER, AND 100 μg/L WITHIN THE BEDROCK FLOW LAYER. 4.CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC BTV BUT WITHIN THE BACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGIC SETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENT MIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THE ASH BASIN. 2.14 CONCENTRATION IN µg/L GENERALIZED WATER TABLE MW-16BR MW-16D MW-12S WELL IN DEEP ZONE WELL IN SHALLOW ZONE WELL IN COMPETENT BEDROCK LEGEND GENERALIZED GROUNDWATER FLOW DIRECTION CAROLINAS NS NOT SAMPLED BEDROCK WEATHERED ROCK ASH PORE WATER A A' (SOUTH)(NORTH) SAPROLITE WATER IN BASIN SAPROLITE SAPROLITESAPROLITE BEDROCK BEDROCK BEDROCK ASH PORE WATER ASH FILL TRANSITION ZONE TRANSITION ZONE FILLBELEWS RESERVOIRDAN RIVER 0 100 200 600 HORIZONTAL SCALE: 1" = 600' VERTICAL SCALE: 1" = 120' 5X VERTICAL EXAGGERATION 0.36 1.6 3 <1 0.97 j 5.7 666 1270 102 10.7 <1 11.4 12.9 34.8 35.7 0.7 j 24.9 191 6.3 79.3 5.6 3.5 6.4 2.3 5.7 250 250MW-202SMW-202DMW-202BRGWA-12SGWA-12DGWA-12BRGWA-23SGWA-23DGWA-8SGWA-8DAB-9SAB-9DAB-9BRAB-9BRDAB-8SAB-8DAB-8SLAB-5SAB-5DAB-8SLAB-5GTBAB-2SAB-2DAB-2GTBMW-102SMW-102DMW-200SMW-200DMW-200BRGWA-24SGWA-24DGWA-24BRACCESS ROADFILL A'A148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY: SCOTT SPINNER DATE:ADAM FEIGL AA-SULFATE 08/13/2017 10/30/2017 10:10 AM P:\Duke Energy Carolinas\20. BELEWS CREEK\CSA UPDATE OCT 2017\FIGURES\CrossSections\Belews_XSects_A-C_Analytical.dwg FIGURE 11-52 SULFATE ANALYTICAL RESULTS CROSS SECTION A-A' BELEWS CREEK STEAM STATION DUKE ENERGY CAROLINAS, LLC BELEWS CREEK, NORTH CAROLINA SOURCE INFORMATION: ORIGINAL CROSS SECTION BASE OBTAINED FROM HDR, CSA SUPPLEMENT 2, DATED AUGUST 2016. NOTES 1.DEPTH TO GROUNDWATER GAUGED IN MONITORING WELLS ON APRIL 3, 2017. 2.THE NORTH CAROLINA 2L FOR SULFATE IS 250 mg/L. 3.BACKGROUND CONCENTRATION FOR SULFATE IS 1.93 mg/L WITHIN THE SHALLOW FLOW LAYER, 6.35 mg/L WITHIN THE DEEP FLOW LAYER, AND 9.6 mg/L WITHIN THE BEDROCK FLOW LAYER. 4.CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC BTV BUT WITHIN THE BACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGIC SETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENT MIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THE ASH BASIN. CROSS SECTION LOCATION NOTE: CROSS SECTION A-A' IS LINEAR IN NATURE AND ALL LOCATIONS NOT ALONG THE CROSS SECTION ARE PROJECTED ONTO THE CROSS SECTION.PINE HALL ROADPINE HALL ROAD ASH LANDFILL ASH BASIN MIDDLETON LOOP2.14 CONCENTRATION IN mg/L SULFATE ISOPLETH IN mg/L (2L STANDARD = 250 mg/L) GENERALIZED WATER TABLE ASH ASH PORE WATER MW-16BR MW-16D MW-12S ABMW-2 WELL IN DEEP ZONE WELL IN SHALLOW ZONE WELL IN COMPETENT BEDROCK WELL IN ASH PORE WATER LEGEND GENERALIZED GROUNDWATER FLOW DIRECTION BEDROCK MW-102S ABANDONED WELL/ GEOTECHNICAL BORING WEATHERED ROCK CAROLINAS B B' B B' (WEST)(EAST) ASH PORE WATER SAPROLITE SAPROLITESAPROLITE BEDROCK BEDROCK BEDROCK ASH ASH ASH PORE WATERTRANSITION ZONE TRANSITION ZONE TRANSITION ZONE MIDDLETON LOOP BELEWS RESERVOIR 0 100 200 600 HORIZONTAL SCALE: 1" = 600' VERTICAL SCALE: 1" = 120' 5X VERTICAL EXAGGERATION 17.5 12.6 0.55 j 8.2 5.1 6 213 228 24.9 191 6.3 11.1 1.3 3.4 <1 4.1 0.71 j 10.6 0.56 j <1GWA-17SGWA-17DGWA-16SGWA-16DGWA-16BRAB-4SLAB-4SAB-4BRAB-4DAB-4BRDAB-5SLAB-5SAB-5GTBAB-5DAB-6SLAB-6SAB-6GTBAB-6DGWA-5BR2GWA-5BRGWA-5DGWA-5GTBGWA-5SGWA-4DGWA-22SGWA-22DGWA-3SGWA-3DASH BASIN BRANCHWATER IN BASIN 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY: SCOTT SPINNER DATE:ADAM FEIGL BB-SULFATE 08/13/2017 10/30/2017 10:10 AM P:\Duke Energy Carolinas\20. BELEWS CREEK\CSA UPDATE OCT 2017\FIGURES\CrossSections\Belews_XSects_A-C_Analytical.dwg FIGURE 11-53 SULFATE ANALYTICAL RESULTS CROSS SECTION B-B' BELEWS CREEK STEAM STATION DUKE ENERGY CAROLINAS, LLC BELEWS CREEK, NORTH CAROLINA SOURCE INFORMATION: ORIGINAL CROSS SECTION BASE OBTAINED FROM HDR, CSA SUPPLEMENT 2, DATED AUGUST 2016. NOTES 1.DEPTH TO GROUNDWATER GAUGED IN MONITORING WELLS ON APRIL 3, 2017. 2.THE NORTH CAROLINA 2L FOR SULFATE IS 250 mg/L. 3.BACKGROUND CONCENTRATION FOR SULFATE IS 1.93 mg/L WITHIN THE SHALLOW FLOW LAYER, 6.35 mg/L WITHIN THE DEEP FLOW LAYER, AND 9.6 mg/L WITHIN THE BEDROCK FLOW LAYER. 4.CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC BTV BUT WITHIN THE BACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGIC SETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENT MIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THE ASH BASIN. CROSS SECTION LOCATION NOTE: CROSS SECTION B-B' IS LINEAR IN NATURE AND ALL LOCATIONS NOT ALONG THE CROSS SECTION ARE PROJECTED ONTO THE CROSS SECTION.PINE HALL ROADPINE HALL ROAD ASH LANDFILL ASH BASIN MIDDLETON LOOP2.14 CONCENTRATION IN mg/L SULFATE ISOPLETH IN mg/L (2L STANDARD = 250 mg/L) GENERALIZED WATER TABLE ASH ASH PORE WATER MW-16BR MW-16D MW-12S ABMW-2 WELL IN DEEP ZONE WELL IN SHALLOW ZONE WELL IN COMPETENT BEDROCK WELL IN ASH PORE WATER LEGEND GENERALIZED GROUNDWATER FLOW DIRECTION BEDROCK MW-102S ABANDONED WELL/ GEOTECHNICAL BORING WEATHERED ROCK CAROLINAS C'C0 100 200 600 HORIZONTAL SCALE: 1" = 600' VERTICAL SCALE: 1" = 120' 5X VERTICAL EXAGGERATION <1 0.52 j NS 5.1 1.6 0.67 j 5 1.2 0.19 1.3 2.1 0.55 j 8.2 17.5 12.6 <1 4.4 2.3 <10.3 <1 6.2 <1 7.7 3.5 5.6 6.4 C C' (SOUTH)(NORTH) SAPROLITE SAPROLITE SAPROLITE BEDROCK BEDROCK BEDROCK BEDROCK TRANSITION ZONE TRANSITION ZONEMIDDLETON LOOPPINE HALL ROADGWA-26SGWA-26DGWA-26BRBG-3SBG-3DGWA-25BRTRANSITION ZONE GWA-9SGWA-9DGWA-9BRMW-203SMW-203DMW-203BRGWA-16SGWA-16DGWA-16BRGWA-17SGWA-17DGWA-10SGWA-10DGWA-27SGWA-27DGWA-27BRGWA-11SGWA-11DGWA-1SGWA-1DMW-200SMW-200DMW-200BRDAN RIVER ASH BASIN BRANCH148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY: SCOTT SPINNER DATE:ADAM FEIGL CC-SULFATE 08/13/2017 10/30/2017 10:10 AM P:\Duke Energy Carolinas\20. BELEWS CREEK\CSA UPDATE OCT 2017\FIGURES\CrossSections\Belews_XSects_A-C_Analytical.dwg FIGURE 11-54 SULFATE ANALYTICAL RESULTS CROSS SECTION C-C' BELEWS CREEK STEAM STATION DUKE ENERGY CAROLINAS, LLC BELEWS CREEK, NORTH CAROLINACROSS SECTION LOCATIONC'CNOTE: CROSS SECTION C-C' IS LINEAR IN NATURE AND ALL LOCATIONS NOT ALONG THE CROSS SECTION ARE PROJECTED ONTO THE CROSS SECTION.PINE HALL ROADPINE HALL ROAD ASH LANDFILL ASH BASIN MIDDLETON LOOPSOURCE INFORMATION: ORIGINAL CROSS SECTION BASE OBTAINED FROM HDR, CSA SUPPLEMENT 2, DATED AUGUST 2016. NOTES 1.DEPTH TO GROUNDWATER GAUGED IN MONITORING WELLS ON APRIL 3, 2017. 2.THE NORTH CAROLINA 2L FOR SULFATE IS 250 mg/L. 3.BACKGROUND CONCENTRATION FOR SULFATE IS 1.93 mg/L WITHIN THE SHALLOW FLOW LAYER, 6.35 mg/L WITHIN THE DEEP FLOW LAYER, AND 9.6 mg/L WITHIN THE BEDROCK FLOW LAYER. 4.CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC BTV BUT WITHIN THE BACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGIC SETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENT MIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THE ASH BASIN. 2.14 CONCENTRATION IN mg/L GENERALIZED WATER TABLE MW-16BR MW-16D MW-12S WELL IN DEEP ZONE WELL IN SHALLOW ZONE WELL IN COMPETENT BEDROCK LEGEND GENERALIZED GROUNDWATER FLOW DIRECTION CAROLINAS NS NOT SAMPLED BEDROCK WEATHERED ROCK ASH PORE WATER A A' (SOUTH)(NORTH) SAPROLITE WATER IN BASIN SAPROLITE SAPROLITESAPROLITE BEDROCK BEDROCK BEDROCK ASH PORE WATER ASH FILL TRANSITION ZONE TRANSITION ZONE FILLBELEWS RESERVOIRDAN RIVER 0 100 200 600 HORIZONTAL SCALE: 1" = 600' VERTICAL SCALE: 1" = 120' 5X VERTICAL EXAGGERATION <0.2 B3 <0.2 B3 <0.1 0.023 j 0.051 j 0.039 j 0.082 j <0.1 <0.1 0.083 j, B 4.8 0.027 j, B <0.1 0.062 j, B 0.018 j, B 0.54 <0.2 <0.2 B3 <0.1 <0.1 0.2 <0.1 <0.1 <0.1 <0.1 <0.1MW-202SMW-202DMW-202BRGWA-12SGWA-12DGWA-12BRGWA-23SGWA-23DGWA-8SGWA-8DAB-9SAB-9DAB-9BRAB-9BRDAB-8SAB-8DAB-8SLAB-5SAB-5DAB-8SLAB-5GTBAB-2SAB-2DAB-2GTBMW-102SMW-102DMW-200SMW-200DMW-200BRGWA-24SGWA-24DGWA-24BR0.2ACCESS ROADFILL A'A148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY: SCOTT SPINNER DATE:ADAM FEIGL AA-THALLIUM 08/13/2017 10/30/2017 10:11 AM P:\Duke Energy Carolinas\20. BELEWS CREEK\CSA UPDATE OCT 2017\FIGURES\CrossSections\Belews_XSects_A-C_Analytical.dwg FIGURE 11-55 THALLIUM ANALYTICAL RESULTS CROSS SECTION A-A' BELEWS CREEK STEAM STATION DUKE ENERGY CAROLINAS, LLC BELEWS CREEK, NORTH CAROLINA SOURCE INFORMATION: ORIGINAL CROSS SECTION BASE OBTAINED FROM HDR, CSA SUPPLEMENT 2, DATED AUGUST 2016. NOTES 1.DEPTH TO GROUNDWATER GAUGED IN MONITORING WELLS ON APRIL 3, 2017. 2.THE INTERIM MAXIMUM ALLOWABLE CONCENTRATION (IMAC) FOR THALLIUM IS 0.2 μg/L. 3.BACKGROUND CONCENTRATION FOR THALLIUM IS 0.2 μg/L WITHIN THE SHALLOW AND DEEP FLOW LAYERS AND 0.1 μg/L WITHIN THE BEDROCK FLOW LAYER. 4.CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC BTV BUT WITHIN THE BACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGIC SETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENT MIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THE ASH BASIN. CROSS SECTION LOCATION NOTE: CROSS SECTION A-A' IS LINEAR IN NATURE AND ALL LOCATIONS NOT ALONG THE CROSS SECTION ARE PROJECTED ONTO THE CROSS SECTION.PINE HALL ROADPINE HALL ROAD ASH LANDFILL ASH BASIN MIDDLETON LOOP2.14 CONCENTRATION IN µg/L THALLIUM ISOPLETH IN µg/L (IMAC STANDARD = 0.2 µg/L) GENERALIZED WATER TABLE ASH ASH PORE WATER MW-16BR MW-16D MW-12S ABMW-2 WELL IN DEEP ZONE WELL IN SHALLOW ZONE WELL IN COMPETENT BEDROCK WELL IN ASH PORE WATER LEGEND GENERALIZED GROUNDWATER FLOW DIRECTION BEDROCK MW-102S ABANDONED WELL/ GEOTECHNICAL BORING WEATHERED ROCK CAROLINAS B B' B B' (WEST)(EAST) ASH PORE WATER SAPROLITE SAPROLITESAPROLITE BEDROCK BEDROCK BEDROCK ASH ASH ASH PORE WATERTRANSITION ZONE TRANSITION ZONE TRANSITION ZONE MIDDLETON LOOP BELEWS RESERVOIR 0 100 200 600 HORIZONTAL SCALE: 1" = 600' VERTICAL SCALE: 1" = 120' 5X VERTICAL EXAGGERATION 0.037 j <0.1 0.079 j, B <0.1 0.037 j, B 0.079 j <0.1 0.062 j, B 0.018 j, B 0.046 j 0.017 j <0.1 <0.1 <0.1 <0.1 0.016 j <0.1 <0.1 <0.1 <0.1GWA-17SGWA-17DGWA-16SGWA-16DGWA-16BRAB-4SLAB-4SAB-4BRAB-4DAB-4BRDAB-5SLAB-5SAB-5GTBAB-5DAB-6SLAB-6SAB-6GTBAB-6DGWA-5BR2GWA-5BRGWA-5DGWA-5GTBGWA-5SGWA-4DGWA-22SGWA-22DGWA-3SGWA-3DASH BASIN BRANCHWATER IN BASIN 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY: SCOTT SPINNER DATE:ADAM FEIGL BB-THALLIUM 08/13/2017 10/30/2017 10:11 AM P:\Duke Energy Carolinas\20. BELEWS CREEK\CSA UPDATE OCT 2017\FIGURES\CrossSections\Belews_XSects_A-C_Analytical.dwg FIGURE 11-56 THALLIUM ANALYTICAL RESULTS CROSS SECTION B-B' BELEWS CREEK STEAM STATION DUKE ENERGY CAROLINAS, LLC BELEWS CREEK, NORTH CAROLINACROSS SECTION LOCATION NOTE: CROSS SECTION B-B' IS LINEAR IN NATURE AND ALL LOCATIONS NOT ALONG THE CROSS SECTION ARE PROJECTED ONTO THE CROSS SECTION.PINE HALL ROADPINE HALL ROAD ASH LANDFILL ASH BASIN MIDDLETON LOOPSOURCE INFORMATION: ORIGINAL CROSS SECTION BASE OBTAINED FROM HDR, CSA SUPPLEMENT 2, DATED AUGUST 2016. NOTES 1.DEPTH TO GROUNDWATER GAUGED IN MONITORING WELLS ON APRIL 3, 2017. 2.THE INTERIM MAXIMUM ALLOWABLE CONCENTRATION (IMAC) FOR THALLIUM IS 0.2 μg/L. 3.BACKGROUND CONCENTRATION FOR THALLIUM IS 0.2 μg/L WITHIN THE SHALLOW AND DEEP FLOW LAYERS AND 0.1 μg/L WITHIN THE BEDROCK FLOW LAYER. 4.CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC BTV BUT WITHIN THE BACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGIC SETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENT MIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THE ASH BASIN.2.14 CONCENTRATION IN µg/L GENERALIZED WATER TABLE ASH ASH PORE WATER MW-16BR MW-16D MW-12S ABMW-2 WELL IN DEEP ZONE WELL IN SHALLOW ZONE WELL IN COMPETENT BEDROCK WELL IN ASH PORE WATER LEGEND GENERALIZED GROUNDWATER FLOW DIRECTION BEDROCK MW-102S ABANDONED WELL/ GEOTECHNICAL BORING WEATHERED ROCK CAROLINAS C'C0 100 200 600 HORIZONTAL SCALE: 1" = 600' VERTICAL SCALE: 1" = 120' 5X VERTICAL EXAGGERATION 0.041 j, B <0.1 NS 0.068 j 0.027 j 0.12 B <0.1 <0.1 <0.2 B3 <0.2 B3 <0.1 0.079 j, B <0.1 0.037 j <0.1 0.26 0.061 j, B 0.17 0.46 j 0.36 <0.1 0.29 0.022 j <0.2 B3 <0.1 <0.2 0.2 0.2 0.2 C C' (SOUTH)(NORTH) SAPROLITE SAPROLITE SAPROLITE BEDROCK BEDROCK BEDROCK BEDROCK TRANSITION ZONE TRANSITION ZONEMIDDLETON LOOPPINE HALL ROADGWA-26SGWA-26DGWA-26BRBG-3SBG-3DGWA-25BRTRANSITION ZONE GWA-9SGWA-9DGWA-9BRMW-203SMW-203DMW-203BRGWA-16SGWA-16DGWA-16BRGWA-17SGWA-17DGWA-10SGWA-10DGWA-27SGWA-27DGWA-27BRGWA-11SGWA-11DGWA-1SGWA-1DMW-200SMW-200DMW-200BRDAN RIVER ASH BASIN BRANCH148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY: SCOTT SPINNER DATE:ADAM FEIGL CC-THALLIUM 08/13/2017 10/30/2017 10:11 AM P:\Duke Energy Carolinas\20. BELEWS CREEK\CSA UPDATE OCT 2017\FIGURES\CrossSections\Belews_XSects_A-C_Analytical.dwg FIGURE 11-57 THALLIUM ANALYTICAL RESULTS CROSS SECTION C-C' BELEWS CREEK STEAM STATION DUKE ENERGY CAROLINAS, LLC BELEWS CREEK, NORTH CAROLINACROSS SECTION LOCATIONC'CNOTE: CROSS SECTION C-C' IS LINEAR IN NATURE AND ALL LOCATIONS NOT ALONG THE CROSS SECTION ARE PROJECTED ONTO THE CROSS SECTION.PINE HALL ROADPINE HALL ROAD ASH LANDFILL ASH BASIN MIDDLETON LOOPSOURCE INFORMATION: ORIGINAL CROSS SECTION BASE OBTAINED FROM HDR, CSA SUPPLEMENT 2, DATED AUGUST 2016. NOTES 1.DEPTH TO GROUNDWATER GAUGED IN MONITORING WELLS ON APRIL 3, 2017. 2.THE INTERIM MAXIMUM ALLOWABLE CONCENTRATION (IMAC) FOR THALLIUM IS 0.2 μg/L. 3.BACKGROUND CONCENTRATION FOR THALLIUM IS 0.2 μg/L WITHIN THE SHALLOW AND DEEP FLOW LAYERS AND 0.1 μg/L WITHIN THE BEDROCK FLOW LAYER. 4.CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC BTV BUT WITHIN THE BACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGIC SETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENT MIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THE ASH BASIN. 2.14 CONCENTRATION IN µg/L GENERALIZED WATER TABLE MW-16BR MW-16D MW-12S WELL IN DEEP ZONE WELL IN SHALLOW ZONE WELL IN COMPETENT BEDROCK LEGEND GENERALIZED GROUNDWATER FLOW DIRECTION CAROLINAS NS NOT SAMPLED BEDROCK WEATHERED ROCK ASH PORE WATER A A' (SOUTH)(NORTH) SAPROLITE WATER IN BASIN SAPROLITE SAPROLITESAPROLITE BEDROCK BEDROCK BEDROCK ASH PORE WATER ASH FILL TRANSITION ZONE TRANSITION ZONE FILLBELEWS RESERVOIRDAN RIVER 0 100 200 600 HORIZONTAL SCALE: 1" = 600' VERTICAL SCALE: 1" = 120' 5X VERTICAL EXAGGERATION 44 81 73 29 47 104 1080 207 122 40 177 177 337 123 93 140 1330 109 772 130 170 244 <25 <25 500 500 500 500MW-202SMW-202DMW-202BRGWA-12SGWA-12DGWA-12BRGWA-23SGWA-23DGWA-8SGWA-8DAB-9SAB-9DAB-9BRAB-9BRDAB-8SAB-8DAB-8SLAB-5SAB-5DAB-8SLAB-5GTBAB-2SAB-2DAB-2GTBMW-102SMW-102DMW-200SMW-200DMW-200BRGWA-24SGWA-24DGWA-24BRACCESS ROADFILL A'A148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY: SCOTT SPINNER DATE:ADAM FEIGL AA-TDS 08/13/2017 10/30/2017 10:11 AM P:\Duke Energy Carolinas\20. BELEWS CREEK\CSA UPDATE OCT 2017\FIGURES\CrossSections\Belews_XSects_A-C_Analytical.dwg FIGURE 11-58 TOTAL DISSOLVED SOLIDS ANALYTICAL RESULTS CROSS SECTION A-A' BELEWS CREEK STEAM STATION DUKE ENERGY CAROLINAS, LLC BELEWS CREEK, NORTH CAROLINA SOURCE INFORMATION: ORIGINAL CROSS SECTION BASE OBTAINED FROM HDR, CSA SUPPLEMENT 2, DATED AUGUST 2016. NOTES 1.DEPTH TO GROUNDWATER GAUGED IN MONITORING WELLS ON APRIL 3, 2017. 2.THE NORTH CAROLINA 2L FOR TOTAL DISSOLVED SOLIDS (TDS) IS 500 mg/L. 3.BACKGROUND CONCENTRATION FOR TOTAL DISSOLVED SOLIDS (TDS) IS 85 mg/L WITHIN THE SHALLOW FLOW LAYER, 148 mg/L WITHIN THE DEEP FLOW LAYER, AND 133 mg/L WITHIN THE BEDROCK FLOW LAYER. 4.CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC BTV BUT WITHIN THE BACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGIC SETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENT MIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THE ASH BASIN. CROSS SECTION LOCATION NOTE: CROSS SECTION A-A' IS LINEAR IN NATURE AND ALL LOCATIONS NOT ALONG THE CROSS SECTION ARE PROJECTED ONTO THE CROSS SECTION.PINE HALL ROADPINE HALL ROAD ASH LANDFILL ASH BASIN MIDDLETON LOOP2.14 CONCENTRATION IN mg/L TOTAL DISSOLVED SOLIDS (TDS) ISOPLETH IN mg/L (2L STANDARD = 500 mg/L) GENERALIZED WATER TABLE ASH ASH PORE WATER MW-16BR MW-16D MW-12S ABMW-2 WELL IN DEEP ZONE WELL IN SHALLOW ZONE WELL IN COMPETENT BEDROCK WELL IN ASH PORE WATER LEGEND GENERALIZED GROUNDWATER FLOW DIRECTION BEDROCK MW-102S ABANDONED WELL/ GEOTECHNICAL BORING WEATHERED ROCK CAROLINAS B B' B B' (WEST)(EAST) ASH PORE WATER SAPROLITE SAPROLITESAPROLITE BEDROCK BEDROCK BEDROCK ASH ASH ASH PORE WATERTRANSITION ZONE TRANSITION ZONE TRANSITION ZONE MIDDLETON LOOP BELEWS RESERVOIR 0 100 200 600 HORIZONTAL SCALE: 1" = 600' VERTICAL SCALE: 1" = 120' 5X VERTICAL EXAGGERATION 58 109 28 92 149 149 528 1120 140 1330 109 88 150 101 38 158 147 80 88 83 500 500GWA-17SGWA-17DGWA-16SGWA-16DGWA-16BRAB-4SLAB-4SAB-4BRAB-4DAB-4BRDAB-5SLAB-5SAB-5GTBAB-5DAB-6SLAB-6SAB-6GTBAB-6DGWA-5BR2GWA-5BRGWA-5DGWA-5GTBGWA-5SGWA-4DGWA-22SGWA-22DGWA-3SGWA-3DASH BASIN BRANCHWATER IN BASIN 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY: SCOTT SPINNER DATE:ADAM FEIGL BB-TDS 08/13/2017 10/30/2017 10:11 AM P:\Duke Energy Carolinas\20. BELEWS CREEK\CSA UPDATE OCT 2017\FIGURES\CrossSections\Belews_XSects_A-C_Analytical.dwg SOURCE INFORMATION: ORIGINAL CROSS SECTION BASE OBTAINED FROM HDR, CSA SUPPLEMENT 2, DATED AUGUST 2016. NOTES 1.DEPTH TO GROUNDWATER GAUGED IN MONITORING WELLS ON APRIL 3, 2017. 2.THE NORTH CAROLINA 2L FOR TOTAL DISSOLVED SOLIDS (TDS) IS 500 mg/L. 3.BACKGROUND CONCENTRATION FOR TOTAL DISSOLVED SOLIDS (TDS) IS 85 mg/L WITHIN THE SHALLOW FLOW LAYER, 148 mg/L WITHIN THE DEEP FLOW LAYER, AND 133 mg/L WITHIN THE BEDROCK FLOW LAYER. 4.CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC BTV BUT WITHIN THE BACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGIC SETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENT MIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THE ASH BASIN. CROSS SECTION LOCATION NOTE: CROSS SECTION B-B' IS LINEAR IN NATURE AND ALL LOCATIONS NOT ALONG THE CROSS SECTION ARE PROJECTED ONTO THE CROSS SECTION.PINE HALL ROADPINE HALL ROAD ASH LANDFILL ASH BASIN MIDDLETON LOOPFIGURE 11-59 TOTAL DISSOLVED SOLIDS ANALYTICAL RESULTS CROSS SECTION B-B' BELEWS CREEK STEAM STATION DUKE ENERGY CAROLINAS, LLC BELEWS CREEK, NORTH CAROLINA 2.14 CONCENTRATION IN mg/L TOTAL DISSOLVED SOLIDS (TDS) ISOPLETH IN mg/L (2L STANDARD = 500 mg/L) GENERALIZED WATER TABLE ASH ASH PORE WATER MW-16BR MW-16D MW-12S ABMW-2 WELL IN DEEP ZONE WELL IN SHALLOW ZONE WELL IN COMPETENT BEDROCK WELL IN ASH PORE WATER LEGEND GENERALIZED GROUNDWATER FLOW DIRECTION BEDROCK MW-102S ABANDONED WELL/ GEOTECHNICAL BORING WEATHERED ROCK CAROLINAS C'C0 100 200 600 HORIZONTAL SCALE: 1" = 600' VERTICAL SCALE: 1" = 120' 5X VERTICAL EXAGGERATION 53 64 1.2 53 87 27 135 254 45 110 106 28 92 58 109 147 74 108 990 424 464 201 173 D6 170 244 130 500 C C' (SOUTH)(NORTH) SAPROLITE SAPROLITE SAPROLITE BEDROCK BEDROCK BEDROCK BEDROCK TRANSITION ZONE TRANSITION ZONEMIDDLETON LOOPPINE HALL ROADGWA-26SGWA-26DGWA-26BRBG-3SBG-3DGWA-25BRTRANSITION ZONE GWA-9SGWA-9DGWA-9BRMW-203SMW-203DMW-203BRGWA-16SGWA-16DGWA-16BRGWA-17SGWA-17DGWA-10SGWA-10DGWA-27SGWA-27DGWA-27BRGWA-11SGWA-11DGWA-1SGWA-1DMW-200SMW-200DMW-200BRDAN RIVER ASH BASIN BRANCH148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY: SCOTT SPINNER DATE:ADAM FEIGL CC-TDS 08/13/2017 10/30/2017 10:11 AM P:\Duke Energy Carolinas\20. BELEWS CREEK\CSA UPDATE OCT 2017\FIGURES\CrossSections\Belews_XSects_A-C_Analytical.dwg FIGURE 11-60 TOTAL DISSOLVED SOLIDS ANALYTICAL RESULTS CROSS SECTION C-C' BELEWS CREEK STEAM STATION DUKE ENERGY CAROLINAS, LLC BELEWS CREEK, NORTH CAROLINACROSS SECTION LOCATIONC'CNOTE: CROSS SECTION C-C' IS LINEAR IN NATURE AND ALL LOCATIONS NOT ALONG THE CROSS SECTION ARE PROJECTED ONTO THE CROSS SECTION.PINE HALL ROADPINE HALL ROAD ASH LANDFILL ASH BASIN MIDDLETON LOOPSOURCE INFORMATION: ORIGINAL CROSS SECTION BASE OBTAINED FROM HDR, CSA SUPPLEMENT 2, DATED AUGUST 2016. NOTES 1.DEPTH TO GROUNDWATER GAUGED IN MONITORING WELLS ON APRIL 3, 2017. 2.THE NORTH CAROLINA 2L FOR TOTAL DISSOLVED SOLIDS (TDS) IS 500 mg/L. 3.BACKGROUND CONCENTRATION FOR TOTAL DISSOLVED SOLIDS (TDS) IS 85 mg/L WITHIN THE SHALLOW FLOW LAYER, 148 mg/L WITHIN THE DEEP FLOW LAYER, AND 133 mg/L WITHIN THE BEDROCK FLOW LAYER. 4.CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC BTV BUT WITHIN THE BACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGIC SETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENT MIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THE ASH BASIN. 2.14 CONCENTRATION IN mg/L TOTAL DISSOLVED SOLIDS (TDS) ISOPLETH IN mg/L (2L STANDARD = 500 mg/L) GENERALIZED WATER TABLE MW-16BR MW-16D MW-12S WELL IN DEEP ZONE WELL IN SHALLOW ZONE WELL IN COMPETENT BEDROCK LEGEND GENERALIZED GROUNDWATER FLOW DIRECTION CAROLINAS NS NOT SAMPLED BEDROCK WEATHERED ROCK ASH PORE WATER A A' (SOUTH)(NORTH) SAPROLITE WATER IN BASIN SAPROLITE SAPROLITESAPROLITE BEDROCK BEDROCK BEDROCK ASH PORE WATER ASH FILL TRANSITION ZONE TRANSITION ZONE FILLBELEWS RESERVOIRDAN RIVER 0 100 200 600 HORIZONTAL SCALE: 1" = 600' VERTICAL SCALE: 1" = 120' 5X VERTICAL EXAGGERATION 0.70 1.04 0.48 0.23 j 0.53 0.39 0.79 0.42 0.34 0.29 j 0.2 j 0.40 0.1 j 12.8 1.80 0.23 j 0.24 j 194 3.7 0.21 j 0.43 0.32 0.16 j, B 0.28 j, B 0.6 BMW-202SMW-202DMW-202BRGWA-12SGWA-12DGWA-12BRGWA-23SGWA-23DGWA-8SGWA-8DAB-9SAB-9DAB-9BRAB-9BRDAB-8SAB-8DAB-8SLAB-5SAB-5DAB-8SLAB-5GTBAB-2SAB-2DAB-2GTBMW-102SMW-102DMW-200SMW-200DMW-200BRGWA-24SGWA-24DGWA-24BRACCESS ROADFILL A'A148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY: SCOTT SPINNER DATE:ADAM FEIGL AA-VANADIUM 08/13/2017 10/30/2017 10:11 AM P:\Duke Energy Carolinas\20. BELEWS CREEK\CSA UPDATE OCT 2017\FIGURES\CrossSections\Belews_XSects_A-C_Analytical.dwg FIGURE 11-61 VANADIUM ANALYTICAL RESULTS CROSS SECTION A-A' BELEWS CREEK STEAM STATION BELEWS CREEK, NORTH CAROLINA SOURCE INFORMATION: ORIGINAL CROSS SECTION BASE OBTAINED FROM HDR, CSA SUPPLEMENT 2, DATED AUGUST 2016. NOTES 1.DEPTH TO GROUNDWATER GAUGED IN MONITORING WELLS ON APRIL 3, 2017. 2.THE INTERIM MAXIMUM ALLOWABLE CONCENTRATION (IMAC) FOR VANADIUM IS 0.3 μg/L. 3.BACKGROUND CONCENTRATION FOR VANADIUM IS 1.89 μg/L WITHIN THE SHALLOW FLOW LAYER, 1.45 µg/L DEEP FLOW LAYER, AND 0.82 μg/L WITHIN THE BEDROCK FLOW LAYER. 4.CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC BTV BUT WITHIN THE BACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGIC SETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENT MIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THE ASH BASIN. CROSS SECTION LOCATION NOTE: CROSS SECTION A-A' IS LINEAR IN NATURE AND ALL LOCATIONS NOT ALONG THE CROSS SECTION ARE PROJECTED ONTO THE CROSS SECTION.PINE HALL ROADPINE HALL ROAD ASH LANDFILL ASH BASIN MIDDLETON LOOP2.14 CONCENTRATION IN µg/L VANADIUM ISOPLETH IN µg/L (GREATER THAN FLOW LAYER BACKGROUND VALUE) GENERALIZED WATER TABLE ASH ASH PORE WATER MW-16BR MW-16D MW-12S ABMW-2 WELL IN DEEP ZONE WELL IN SHALLOW ZONE WELL IN COMPETENT BEDROCK WELL IN ASH PORE WATER LEGEND GENERALIZED GROUNDWATER FLOW DIRECTION BEDROCK MW-102S ABANDONED WELL/ GEOTECHNICAL BORING WEATHERED ROCK CAROLINAS B B' B B' (WEST)(EAST) ASH PORE WATER SAPROLITE SAPROLITESAPROLITE BEDROCK BEDROCK BEDROCK ASH ASH ASH PORE WATERTRANSITION ZONE TRANSITION ZONE TRANSITION ZONE MIDDLETON LOOP BELEWS RESERVOIR 0 100 200 600 HORIZONTAL SCALE: 1" = 600' VERTICAL SCALE: 1" = 120' 5X VERTICAL EXAGGERATION 0.8 0.13 j <0.3 0.54 5.8 2.8 948 0.25 j 0.24 j 194 3.7 1.8 0.44 3.4 0.4 0.89 0.99 0.54 1.6 1.0GWA-17SGWA-17DGWA-16SGWA-16DGWA-16BRAB-4SLAB-4SAB-4BRAB-4DAB-4BRDAB-5SLAB-5SAB-5GTBAB-5DAB-6SLAB-6SAB-6GTBAB-6DGWA-5BR2GWA-5BRGWA-5DGWA-5GTBGWA-5SGWA-4DGWA-22SGWA-22DGWA-3SGWA-3DASH BASIN BRANCHWATER IN BASIN 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY: SCOTT SPINNER DATE:ADAM FEIGL BB-VANADIUM 08/13/2017 10/30/2017 10:11 AM P:\Duke Energy Carolinas\20. BELEWS CREEK\CSA UPDATE OCT 2017\FIGURES\CrossSections\Belews_XSects_A-C_Analytical.dwg FIGURE 11-62 VANADIUM ANALYTICAL RESULTS CROSS SECTION B-B' BELEWS CREEK STEAM STATION DUKE ENERGY CAROLINAS, LLC BELEWS CREEK, NORTH CAROLINACROSS SECTION LOCATION NOTE: CROSS SECTION B-B' IS LINEAR IN NATURE AND ALL LOCATIONS NOT ALONG THE CROSS SECTION ARE PROJECTED ONTO THE CROSS SECTION.PINE HALL ROADPINE HALL ROAD ASH LANDFILL ASH BASIN MIDDLETON LOOPSOURCE INFORMATION: ORIGINAL CROSS SECTION BASE OBTAINED FROM HDR, CSA SUPPLEMENT 2, DATED AUGUST 2016. NOTES 1.DEPTH TO GROUNDWATER GAUGED IN MONITORING WELLS ON APRIL 3, 2017. 2.THE INTERIM MAXIMUM ALLOWABLE CONCENTRATION (IMAC) FOR VANADIUM IS 0.3 μg/L. 3.BACKGROUND CONCENTRATION FOR VANADIUM IS 1.89 μg/L WITHIN THE SHALLOW FLOW LAYER, 1.45 µg/L DEEP FLOW LAYER, AND 0.82 μg/L WITHIN THE BEDROCK FLOW LAYER. 4.CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC BTV BUT WITHIN THE BACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGIC SETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENT MIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THE ASH BASIN. 2.14 CONCENTRATION IN µg/L VANADIUM ISOPLETH IN µg/L (GREATER THAN FLOW LAYER BACKGROUND VALUE) GENERALIZED WATER TABLE ASH ASH PORE WATER MW-16BR MW-16D MW-12S ABMW-2 WELL IN DEEP ZONE WELL IN SHALLOW ZONE WELL IN COMPETENT BEDROCK WELL IN ASH PORE WATER LEGEND GENERALIZED GROUNDWATER FLOW DIRECTION BEDROCK MW-102S ABANDONED WELL/ GEOTECHNICAL BORING WEATHERED ROCK CAROLINAS C'C0 100 200 600 HORIZONTAL SCALE: 1" = 600' VERTICAL SCALE: 1" = 120' 5X VERTICAL EXAGGERATION 1.2 0.57 0.2 j 0.18 j 0.29 j 0.55 0.4 0.32 3.93 3 <0.3 0.54 0.8 0.13 j 0.16 j 0.74 0.08 j <3 0.59 0.41 1.4 0.61 0.32 0.16 j, B 0.43 C C' (SOUTH)(NORTH) SAPROLITE SAPROLITE SAPROLITE BEDROCK BEDROCK BEDROCK BEDROCK TRANSITION ZONE TRANSITION ZONEMIDDLETON LOOPPINE HALL ROADGWA-26SGWA-26DGWA-26BRBG-3SBG-3DGWA-25BRTRANSITION ZONE GWA-9SGWA-9DGWA-9BRMW-203SMW-203DMW-203BRGWA-16SGWA-16DGWA-16BRGWA-17SGWA-17DGWA-10SGWA-10DGWA-27SGWA-27DGWA-27BRGWA-11SGWA-11DGWA-1SGWA-1DMW-200SMW-200DMW-200BRNS DAN RIVER ASH BASIN BRANCH148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com PROJECT MANAGER: LAYOUT: DRAWN BY: SCOTT SPINNER DATE:ADAM FEIGL CC-VANADIUM 08/13/2017 10/30/2017 10:11 AM P:\Duke Energy Carolinas\20. BELEWS CREEK\CSA UPDATE OCT 2017\FIGURES\CrossSections\Belews_XSects_A-C_Analytical.dwg FIGURE 11-63 VANADIUM ANALYTICAL RESULTS CROSS SECTION C-C' BELEWS CREEK STEAM STATION DUKE ENERGY CAROLINAS, LLC BELEWS CREEK, NORTH CAROLINACROSS SECTION LOCATIONC'CNOTE: CROSS SECTION C-C' IS LINEAR IN NATURE AND ALL LOCATIONS NOT ALONG THE CROSS SECTION ARE PROJECTED ONTO THE CROSS SECTION.PINE HALL ROADPINE HALL ROAD ASH LANDFILL ASH BASIN MIDDLETON LOOPSOURCE INFORMATION: ORIGINAL CROSS SECTION BASE OBTAINED FROM HDR, CSA SUPPLEMENT 2, DATED AUGUST 2016. NOTES 1.DEPTH TO GROUNDWATER GAUGED IN MONITORING WELLS ON APRIL 3, 2017. 2.THE INTERIM MAXIMUM ALLOWABLE CONCENTRATION (IMAC) FOR VANADIUM IS 0.3 μg/L. 3.BACKGROUND CONCENTRATION FOR VANADIUM IS 1.89 μg/L WITHIN THE SHALLOW FLOW LAYER, 1.45 µg/L DEEP FLOW LAYER, AND 0.82 μg/L WITHIN THE BEDROCK FLOW LAYER. 4.CONCENTRATION GREATER THAN CURRENT SITE SPECIFIC BTV BUT WITHIN THE BACKGROUND CONCENTRATION RANGE FOR SIMILAR PIEDMONT GEOLOGIC SETTINGS. DUE TO GROUNDWATER FLOW DIRECTION AND OTHER CONSTITUENT MIGRATION PATTERNS, CONCENTRATION DOES NOT SUGGEST IMPACT FROM THE ASH BASIN. 2.14 CONCENTRATION IN µg/L VANADIUM ISOPLETH IN µg/L (GREATER THAN FLOW LAYER BACKGROUND VALUE) GENERALIZED WATER TABLE MW-16BR MW-16D MW-12S WELL IN DEEP ZONE WELL IN SHALLOW ZONE WELL IN COMPETENT BEDROCK LEGEND GENERALIZED GROUNDWATER FLOW DIRECTION BEDROCK WEATHERED ROCK CAROLINAS NS NOT SAMPLED ASH PORE WATER Source: HDR, Comprehensive Site Assessment Report Belews Creek Steam Station Ash Basin, September 9, 2015. Source: HDR, Comprehensive Site Assessment Report Belews Creek Steam Station Ash Basin, September 9, 2015. ASH BASIN PINE HALLROAD LANDFILL STRUCTURALFILL BELEWS RESERVOIR EXPOSUREAREA 1 EXPOSUREAREA 2 EXPOSUREAREA 3 EXPOSUREAREA 4 EXPOSUREAREA 5 ETHAN LN HIAWITHA RDTOWER DR BOY SCOUT RDFORD RDDALTON MHP RDFARMER RDOLD PLANTATION RD M ARTIN LUTHER KING JR RD MIDDLETON LOOP PINE HALL RDNOTES:GENERALIZED AREAL EXTENT OF MIGRATION REPRESENTED BY NCAC 02LEXCEEDANCES OF BORON. FIVE EXPOSURE AREAS HAVE BEEN DEVELOPED BY HDR TO EVALUATE ECOLOGICALEXPOSURE TO SURFACE WATER, SEDIMENT, SEDIMENT AND AREAS OF WETNESS(AOW). THE EXPOSURE AREAS CONSIDER ECOLOGICAL HABITATS, NEARBY WATERBODIES, AND WET AREAS. SAMPLING LOCATIONS SW-AB1 THROUGH SW-AB9 AND SW-10 ARE ASH BASINRELATED AND WILL NOT BE INCLUDED IN THE RISK ASSESSMENT. SAMPLING LOCATIONS SW-BL-U/SD-BL-U ARE BACKGROUND AND WILL NOTINCLUDED IN THE RISK ASSESSMENT. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON AUGUST 2, 2017.AERIAL WAS COLLECTED ON APRIL 8, 2017. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83/2011). FIGURE 12-1ECOLOGICAL EXPOSURE AREASBELEWS CREEK STEAM STATIONDUKE ENERGY CAROLINAS, LLCBELEWS CREEK, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: S. SPINNERCHECKED BY: A. ALBERT 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\Belews Creek Steam Station\MapDocs\CSA_Supplement_2\Fig12-01 - Ecological Exposure Areas.mxd 750 0 750 1,500375 GRAPHIC SCALE IN FEET EXPOSURE AREA 1 EXPOSURE AREA 2 EXPOSURE AREA 3 EXPOSURE AREA 4 EXPOSURE AREA 5 AREA OF CONCENTRATION IN GROUNDWATERABOVE NC2L (SEE NOTES) <STREAM (AMEC NRTR 2015) DESIGNATED EFFLUENT CHANNEL ASH BASIN WASTE BOUNDARY ASH BASIN COMPLIANCE BOUNDARY LANDFILL BOUNDARY STRUCTURAL FILL BOUNDARY LANDFILL COMPLIANCE BOUNDARY DUKE ENERGY CAROLINAS BELEWS CREEK PLANTSITE BOUNDARY LEGEND 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com DRAWN BY: B. Wilker PROJECT MANAGER: S. Spinner LAYOUT: A. Albert DATE: AUGUST 2017 P:\Duke Energy Carolinas\20. BELEWS CREEK\CSA UPDATE OCT 2017\FIGURES\Time Series LEGEND IMAC 15 NCAC 02L Standard (1 ug/L) Provisional Background Threshold Value (1 ug/L) Shallow Ash Porewater FIGURE 14-1 TIME VERSUS CONCENTRATION ANTIMONY IN SHALLOW ZONE BELEWS CREEK STEAM STATION DUKE ENERGY CAROLINAS, LLC BELEWS CREEK, NORTH CAROLINA 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 DATE: AUGUST 2017 P:\Duke Energy Carolinas\20. BELEWS CREEK\CSA UPDATE OCT 2017\FIGURES\Time Series LEGEND Provisional Background Threshold Value (1 ug/L) Transition Zone IMAC 15 NCAC 02L Standard (1 ug/L) DRAWN BY: B. Wilker PROJECT MANAGER: S. Spinner LAYOUT: A. AlbertA. Albert FIGURE 14-2 TIME VERSUS CONCENTRATION ANTIMONY IN DEEP ZONE BELEWS CREEK STEAM STATION DUKE ENERGY CAROLINAS, LLC BELEWS CREEK, NORTH CAROLINA 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 DATE: AUGUST 2017 P:\Duke Energy Carolinas\20. BELEWS CREEK\CSA UPDATE OCT 2017\FIGURES\Time Series LEGEND Provisional Background Threshold Value (0.5 ug/L) Bedrock IMAC 15 NCAC 02L Standard (1 ug/L) DRAWN BY: B. Wilker PROJECT MANAGER: S. Spinner LAYOUT: A. AlbertA. Albert 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. FIGURE 14-3 TIME VERSUS CONCENTRATION ANTIMONY IN BEDROCK ZONE BELEWS CREEK STEAM STATION DUKE ENERGY CAROLINAS, LLC BELEWS CREEK, NORTH CAROLINA 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com DATE: SEPTEMBER 2017 P:\Duke Energy Carolinas\20. BELEWS CREEK\CSA UPDATE OCT 2017\FIGURES\Time Series\Belews Time vs Conc Pine Hall Landfill_COIs.pptx FIGURE 14-4 TIME VERSUS CONCENTRATION ANTIMONY PINE HALL ROAD LANDFILL BELEWS CREEK STEAM STATION DUKE ENERGY CAROLINAS, LLC BELEWS CREEK, NORTH CAROLINA LEGEND 15 NCAC 02L Standard (1 ug/L) Provisional Background Threshold Value (PBTV) Shallow (PBTV = 1) Transition Zone (PBTV = 1) Bedrock (PBTV = 0.5) DRAWN BY: L. Drago PROJECT MANAGER: S. Spinner LAYOUT: A. Albert 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 DATE: AUGUST 2017 P:\Duke Energy Carolinas\20. BELEWS CREEK\CSA UPDATE OCT 2017\FIGURES\Time Series LEGEND 15 NCAC 02L Standard (10 ug/L) Provisional Background Threshold Value (1 ug/L) Ash Porewater DRAWN BY: B. Wilker PROJECT MANAGER: S. Spinner LAYOUT: A. AlbertA. Albert Shallow 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. FIGURE 14-5 TIME VERSUS CONCENTRATION ARSENIC IN SHALLOW ZONE BELEWS CREEK STEAM STATION DUKE ENERGY CAROLINAS, LLC BELEWS CREEK, NORTH CAROLINA 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com DATE: AUGUST 2017 P:\Duke Energy Carolinas\20. BELEWS CREEK\CSA UPDATE OCT 2017\FIGURES\Time Series LEGEND 15 NCAC 02L Standard (10 ug/L) Provisional Background Threshold Value (1 ug/L) Transition Zone DRAWN BY: B. Wilker PROJECT MANAGER: S. Spinner LAYOUT: A. AlbertA. Albert 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. FIGURE 14-6 TIME VERSUS CONCENTRATION ARSENIC IN DEEP ZONE BELEWS CREEK STEAM STATION DUKE ENERGY CAROLINAS, LLC BELEWS CREEK, NORTH CAROLINA 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com DATE: AUGUST 2017 P:\Duke Energy Carolinas\20. BELEWS CREEK\CSA UPDATE OCT 2017\FIGURES\Time Series LEGEND 15 NCAC 02L Standard (10 ug/L) Provisional Background Threshold Value (0.51 ug/L) Bedrock DRAWN BY: B. Wilker PROJECT MANAGER: S. Spinner LAYOUT: A. AlbertA. Albert 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. FIGURE 14-7 TIME VERSUS CONCENTRATION ARSENIC IN BEDROCK ZONE BELEWS CREEK STEAM STATION DUKE ENERGY CAROLINAS, LLC BELEWS CREEK, NORTH CAROLINA 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com DATE: SEPTEMBER 2017 P:\Duke Energy Carolinas\20. BELEWS CREEK\CSA UPDATE OCT 2017\FIGURES\Time Series\Belews Time vs Conc Pine Hall Landfill_COIs.pptx FIGURE 14-8 TIME VERSUS CONCENTRATION ARSENIC PINE HALL ROAD LANDFILL BELEWS CREEK STEAM STATION DUKE ENERGY CAROLINAS, LLC BELEWS CREEK, NORTH CAROLINA LEGEND 15 NCAC 02L Standard (10 ug/L) Provisional Background Threshold Value (PBTV) Shallow (PBTV = 1) Transition Zone (PBTV = 1) Bedrock (PBTV = 0.51) DRAWN BY: L. Drago PROJECT MANAGER: S. Spinner LAYOUT: A. Albert 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 DATE: AUGUST 2017 P:\Duke Energy Carolinas\20. BELEWS CREEK\CSA UPDATE OCT 2017\FIGURES\Time Series LEGEND 15 NCAC 02L Standard (700 ug/L) Provisional Background Threshold Value (58 ug/L) Ash Porewater DRAWN BY: B. Wilker PROJECT MANAGER: S. Spinner LAYOUT: A. AlbertA. Albert Shallow 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. FIGURE 14-9 TIME VERSUS CONCENTRATION BARIUM IN SHALLOW ZONE BELEWS CREEK STEAM STATION DUKE ENERGY CAROLINAS, LLC BELEWS CREEK, NORTH CAROLINA 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com DATE: AUGUST 2017 P:\Duke Energy Carolinas\20. BELEWS CREEK\CSA UPDATE OCT 2017\FIGURES\Time Series LEGEND 15 NCAC 02L Standard (700 ug/L) Provisional Background Threshold Value (12.6 ug/L) Transition Zone DRAWN BY: B. Wilker PROJECT MANAGER: S. Spinner LAYOUT: A. AlbertA. Albert 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. FIGURE 14-10 TIME VERSUS CONCENTRATION BARIUM IN DEEP ZONE BELEWS CREEK STEAM STATION DUKE ENERGY CAROLINAS, LLC BELEWS CREEK, NORTH CAROLINA 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com DATE: AUGUST 2017 P:\Duke Energy Carolinas\20. BELEWS CREEK\CSA UPDATE OCT 2017\FIGURES\Time Series LEGEND 15 NCAC 02L Standard (700 ug/L) Provisional Background Threshold Value (6.2 ug/L) Bedrock DRAWN BY: B. Wilker PROJECT MANAGER: S. Spinner LAYOUT: A. AlbertA. Albert 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. FIGURE 14-11 TIME VERSUS CONCENTRATION BARIUM IN BEDROCK ZONE BELEWS CREEK STEAM STATION DUKE ENERGY CAROLINAS, LLC BELEWS CREEK, NORTH CAROLINA 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com DATE: SEPTEMBER 2017 P:\Duke Energy Carolinas\20. BELEWS CREEK\CSA UPDATE OCT 2017\FIGURES\Time Series\Belews Time vs Conc Pine Hall Landfill_COIs.pptx FIGURE 14-12 TIME VERSUS CONCENTRATION BARIUM PINE HALL ROAD LANDFILL BELEWS CREEK STEAM STATION DUKE ENERGY CAROLINAS, LLC BELEWS CREEK, NORTH CAROLINA LEGEND 15 NCAC 02L Standard (700 ug/L) Provisional Background Threshold Value (PBTV) Shallow (PBTV = 58) Transition Zone (PBTV = 12.6) Bedrock (PBTV = 6.2) DRAWN BY: L. Drago PROJECT MANAGER: S. Spinner LAYOUT: A. Albert 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 DATE: AUGUST 2017 P:\Duke Energy Carolinas\20. BELEWS CREEK\CSA UPDATE OCT 2017\FIGURES\Time Series LEGEND IMAC 15 NCAC 02L Standard (4 ug/L) Provisional Background Threshold Value (0.362 ug/L) Ash Porewater DRAWN BY: B. Wilker PROJECT MANAGER: S. Spinner LAYOUT: A. AlbertA. Albert Shallow 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. FIGURE 14-13 TIME VERSUS CONCENTRATION BERYLLIUM IN SHALLOW ZONE BELEWS CREEK STEAM STATION DUKE ENERGY CAROLINAS, LLC BELEWS CREEK, NORTH CAROLINA 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com DATE: AUGUST 2017 P:\Duke Energy Carolinas\20. BELEWS CREEK\CSA UPDATE OCT 2017\FIGURES\Time Series LEGEND Provisional Background Threshold Value (0.219 ug/L) Transition Zone IMAC 15 NCAC 02L Standard (4 ug/L) DRAWN BY: B. Wilker PROJECT MANAGER: S. Spinner LAYOUT: A. AlbertA. Albert 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. FIGURE 14-14 TIME VERSUS CONCENTRATION BERYLLIUM IN DEEP ZONE BELEWS CREEK STEAM STATION DUKE ENERGY CAROLINAS, LLC BELEWS CREEK, NORTH CAROLINA 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com DATE: AUGUST 2017 P:\Duke Energy Carolinas\20. BELEWS CREEK\CSA UPDATE OCT 2017\FIGURES\Time Series LEGEND Provisional Background Threshold Value (0.2 ug/L) Bedrock IMAC 15 NCAC 02L Standard (4 ug/L) DRAWN BY: B. Wilker PROJECT MANAGER: S. Spinner LAYOUT: A. AlbertA. Albert 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. FIGURE 14-15 TIME VERSUS CONCENTRATION BERYLLIUM IN BEDROCK ZONE BELEWS CREEK STEAM STATION DUKE ENERGY CAROLINAS, LLC BELEWS CREEK, NORTH CAROLINA 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com DATE: SEPTEMBER 2017 P:\Duke Energy Carolinas\20. BELEWS CREEK\CSA UPDATE OCT 2017\FIGURES\Time Series\Belews Time vs Conc Pine Hall Landfill_COIs.pptx FIGURE 14-16 TIME VERSUS CONCENTRATION BERYLLIUM PINE HALL ROAD LANDFILL BELEWS CREEK STEAM STATION DUKE ENERGY CAROLINAS, LLC BELEWS CREEK, NORTH CAROLINA LEGEND 15 NCAC 02L Standard (4 ug/L) Provisional Background Threshold Value (PBTV) Shallow (PBTV = 0.4) Transition Zone (PBTV = 0.2) Bedrock (PBTV = 0.2) DRAWN BY: L. Drago PROJECT MANAGER: S. Spinner LAYOUT: A. Albert 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 DATE: AUGUST 2017 P:\Duke Energy Carolinas\20. BELEWS CREEK\CSA UPDATE OCT 2017\FIGURES\Time Series LEGEND 15 NCAC 02L Standard (700 ug/L) Provisional Background Threshold Value (50 ug/L) Ash Porewater DRAWN BY: B. Wilker PROJECT MANAGER: S. Spinner LAYOUT: A. AlbertA. Albert Shallow 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. FIGURE 14-17 TIME VERSUS CONCENTRATION BORON IN SHALLOW ZONE BELEWS CREEK STEAM STATION DUKE ENERGY CAROLINAS, LLC BELEWS CREEK, NORTH CAROLINA 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com DATE: AUGUST 2017 P:\Duke Energy Carolinas\20. BELEWS CREEK\CSA UPDATE OCT 2017\FIGURES\Time Series LEGEND 15 NCAC 02L Standard (700 ug/L) Provisional Background Threshold Value (50 ug/L) Transition Zone DRAWN BY: B. Wilker PROJECT MANAGER: S. Spinner LAYOUT: A. AlbertA. Albert 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. FIGURE 14-18 TIME VERSUS CONCENTRATION BORON IN DEEP ZONE BELEWS CREEK STEAM STATION DUKE ENERGY CAROLINAS, LLC BELEWS CREEK, NORTH CAROLINA 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com DATE: AUGUST 2017 P:\Duke Energy Carolinas\20. BELEWS CREEK\CSA UPDATE OCT 2017\FIGURES\Time Series LEGEND 15 NCAC 02L Standard (700 ug/L) Provisional Background Threshold Value (50 ug/L) Bedrock DRAWN BY: B. Wilker PROJECT MANAGER: S. Spinner LAYOUT: A. AlbertA. Albert 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. FIGURE 14-19 TIME VERSUS CONCENTRATION BORON IN BEDROCK ZONE BELEWS CREEK STEAM STATION DUKE ENERGY CAROLINAS, LLC BELEWS CREEK, NORTH CAROLINA 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com DRAWN BY: L. Drago PROJECT MANAGER: S. Spinner LAYOUT: A. Albert DATE: SEPTEMBER 2017 P:\Duke Energy Carolinas\20. BELEWS CREEK\CSA UPDATE OCT 2017\FIGURES\Time Series\Belews Time vs Conc Pine Hall Landfill_COIs.pptx FIGURE 14-20 TIME VERSUS CONCENTRATION BORON PINE HALL ROAD LANDFILL BELEWS CREEK STEAM STATION DUKE ENERGY CAROLINAS, LLC BELEWS CREEK, NORTH CAROLINA LEGEND 15 NCAC 02L Standard (700 ug/L) Provisional Background Threshold Value (PBTV) Shallow (PBTV = 50) Transition Zone (PBTV = 50) Bedrock (PBTV = 50) 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 DATE: AUGUST 2017 P:\Duke Energy Carolinas\20. BELEWS CREEK\CSA UPDATE OCT 2017\FIGURES\Time Series LEGEND 15 NCAC 02L Standard (2 ug/L) Provisional Background Threshold Value (1 ug/L) Ash Porewater DRAWN BY: B. Wilker PROJECT MANAGER: S. Spinner LAYOUT: A. AlbertA. Albert Shallow 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. FIGURE 14-21 TIME VERSUS CONCENTRATION CADMIUM IN SHALLOW ZONE BELEWS CREEK STEAM STATION DUKE ENERGY CAROLINAS, LLC BELEWS CREEK, NORTH CAROLINA 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com DATE: AUGUST 2017 P:\Duke Energy Carolinas\20. BELEWS CREEK\CSA UPDATE OCT 2017\FIGURES\Time Series LEGEND 15 NCAC 02L Standard (2 ug/L) Provisional Background Threshold Value (1 ug/L) Transition Zone DRAWN BY: B. Wilker PROJECT MANAGER: S. Spinner LAYOUT: A. AlbertA. Albert 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. FIGURE 14-22 TIME VERSUS CONCENTRATION CADMIUM IN DEEP ZONE BELEWS CREEK STEAM STATION DUKE ENERGY CAROLINAS, LLC BELEWS CREEK, NORTH CAROLINA 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com DATE: AUGUST 2017 P:\Duke Energy Carolinas\20. BELEWS CREEK\CSA UPDATE OCT 2017\FIGURES\Time Series LEGEND 15 NCAC 02L Standard (2 ug/L) Provisional Background Threshold Value (0.08 ug/L) Bedrock DRAWN BY: B. Wilker PROJECT MANAGER: S. Spinner LAYOUT: A. AlbertA. Albert 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. FIGURE 14-23 TIME VERSUS CONCENTRATION CADMIUM IN BEDROCK ZONE BELEWS CREEK STEAM STATION DUKE ENERGY CAROLINAS, LLC BELEWS CREEK, NORTH CAROLINA 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com DATE: SEPTEMBER 2017 P:\Duke Energy Carolinas\20. BELEWS CREEK\CSA UPDATE OCT 2017\FIGURES\Time Series\Belews Time vs Conc Pine Hall Landfill_COIs.pptx FIGURE 14-24 TIME VERSUS CONCENTRATION CADMIUM PINE HALL ROAD LANDFILL BELEWS CREEK STEAM STATION DUKE ENERGY CAROLINAS, LLC BELEWS CREEK, NORTH CAROLINA LEGEND 15 NCAC 02L Standard (2 ug/L) Provisional Background Threshold Value (PBTV) Shallow (PBTV = 1) Transition Zone (PBTV = 1) Bedrock (PBTV = 0.1) DRAWN BY: L. Drago PROJECT MANAGER: S. Spinner LAYOUT: A. Albert 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 DATE: AUGUST 2017 P:\Duke Energy Carolinas\20. BELEWS CREEK\CSA UPDATE OCT 2017\FIGURES\Time Series Provisional Background Threshold Value (14.7 ug/L) LEGEND 15 NCAC 02L Standard (250 ug/L) Ash Porewater DRAWN BY: B. Wilker PROJECT MANAGER: S. Spinner LAYOUT: A. AlbertA. Albert Shallow 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. FIGURE 14-25 TIME VERSUS CONCENTRATION CHLORIDE IN SHALLOW ZONE BELEWS CREEK STEAM STATION DUKE ENERGY CAROLINAS, LLC BELEWS CREEK, NORTH CAROLINA 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com DATE: AUGUST 2017 P:\Duke Energy Carolinas\20. BELEWS CREEK\CSA UPDATE OCT 2017\FIGURES\Time Series LEGEND 15 NCAC 02L Standard (250 ug/L) Provisional Background Threshold Value (20.9 ug/L) Transition Zone DRAWN BY: B. Wilker PROJECT MANAGER: S. Spinner LAYOUT: A. AlbertA. Albert 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. FIGURE 14-26 TIME VERSUS CONCENTRATION CHLORIDE IN DEEP ZONE BELEWS CREEK STEAM STATION DUKE ENERGY CAROLINAS, LLC BELEWS CREEK, NORTH CAROLINA 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com DATE: AUGUST 2017 P:\Duke Energy Carolinas\20. BELEWS CREEK\CSA UPDATE OCT 2017\FIGURES\Time Series LEGEND 15 NCAC 02L Standard (250 ug/L) Provisional Background Threshold Value (3 ug/L) Bedrock DRAWN BY: B. Wilker PROJECT MANAGER: S. Spinner LAYOUT: A. AlbertA. Albert 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. FIGURE 14-27 TIME VERSUS CONCENTRATION CHLORIDE IN BEDROCK ZONE BELEWS CREEK STEAM STATION DUKE ENERGY CAROLINAS, LLC BELEWS CREEK, NORTH CAROLINA 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com DATE: SEPTEMBER 2017 P:\Duke Energy Carolinas\20. BELEWS CREEK\CSA UPDATE OCT 2017\FIGURES\Time Series\Belews Time vs Conc Pine Hall Landfill_COIs.pptx FIGURE 14-28 TIME VERSUS CONCENTRATION CHLORIDE PINE HALL ROAD LANDFILL BELEWS CREEK STEAM STATION DUKE ENERGY CAROLINAS, LLC BELEWS CREEK, NORTH CAROLINA LEGEND 15 NCAC 02L Standard (250 ug/L) Provisional Background Threshold Value (PBTV) Shallow (PBTV = 14.7) Transition Zone (PBTV = 20.9) Bedrock (PBTV = 3) DRAWN BY: L. Drago PROJECT MANAGER: S. Spinner LAYOUT: A. Albert 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 DATE: AUGUST 2017 P:\Duke Energy Carolinas\20. BELEWS CREEK\CSA UPDATE OCT 2017\FIGURES\Time Series LEGEND 15 NCAC 02L Standard (10 ug/L) Provisional Background Threshold Value (4.72 ug/L) Shallow Chromium Ash Porewater Chromium (IV) Chromium NO SAMPLES ANALYZED FOR CHROMIUM (VI) DRAWN BY: B. Wilker PROJECT MANAGER: S. Spinner LAYOUT: A. AlbertA. Albert 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. FIGURE 14-29 TIME VERSUS CONCENTRATION CHROMIUM AND CHROMIUM (VI) IN SHALLOW ZONE BELEWS CREEK STEAM STATION DUKE ENERGY CAROLINAS, LLC BELEWS CREEK, NORTH CAROLINA 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com DATE: AUGUST 2017 P:\Duke Energy Carolinas\20. BELEWS CREEK\CSA UPDATE OCT 2017\FIGURES\Time Series LEGEND Transition Zone 15 NCAC 02L Standard (10 ug/L) Provisional Background Threshold Value (4.72 ug/L) (IV) Chromium NO SAMPLES ANALYZED FOR CHROMIUM (VI) DRAWN BY: B. Wilker PROJECT MANAGER: S. Spinner LAYOUT: A. AlbertA. Albert 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. FIGURE 14-30 TIME VERSUS CONCENTRATION CHROMIUM AND CHROMIUM (VI) IN DEEP ZONE BELEWS CREEK STEAM STATION DUKE ENERGY CAROLINAS, LLC BELEWS CREEK, NORTH CAROLINA 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com DATE: AUGUST 2017 P:\Duke Energy Carolinas\20. BELEWS CREEK\CSA UPDATE OCT 2017\FIGURES\Time Series LEGEND Bedrock 15 NCAC 02L Standard (10 ug/L) Provisional Background Threshold Value (4.72 ug/L) (IV) Chromium DRAWN BY: B. Wilker PROJECT MANAGER: S. Spinner LAYOUT: A. AlbertA. Albert 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. FIGURE 14-31 TIME VERSUS CONCENTRATION CHROMIUM AND CHROMIUM (VI) IN BEDROCK ZONE BELEWS CREEK STEAM STATION DUKE ENERGY CAROLINAS, LLC BELEWS CREEK, NORTH CAROLINA 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com DATE: SEPTEMBER 2017 P:\Duke Energy Carolinas\20. BELEWS CREEK\CSA UPDATE OCT 2017\FIGURES\Time Series\Belews Time vs Conc Pine Hall Landfill_COIs.pptx FIGURE 14-32 TIME VERSUS CONCENTRATION CHROMIUM PINE HALL ROAD LANDFILL BELEWS CREEK STEAM STATION DUKE ENERGY CAROLINAS, LLC BELEWS CREEK, NORTH CAROLINA LEGEND 15 NCAC 02L Standard (10 ug/L) Provisional Background Threshold Value (PBTV) Shallow (PBTV = 4.7) Transition Zone (PBTV = 3.3) Bedrock (PBTV = 5.3) DRAWN BY: L. Drago PROJECT MANAGER: S. Spinner LAYOUT: A. Albert Note: No samples analyzed for Chromium (IV). 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 DATE: AUGUST 2017 P:\Duke Energy Carolinas\20. BELEWS CREEK\CSA UPDATE OCT 2017\FIGURES\Time Series LEGEND IMAC 15 NCAC 02L Standard (1 ug/L) Provisional Background Threshold Value (0.509 ug/L) Ash Porewater DRAWN BY: B. Wilker PROJECT MANAGER: S. Spinner LAYOUT: A. AlbertA. Albert Shallow 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. FIGURE 14-33 TIME VERSUS CONCENTRATION COBALT IN SHALLOW ZONE BELEWS CREEK STEAM STATION DUKE ENERGY CAROLINAS, LLC BELEWS CREEK, NORTH CAROLINA 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com DATE: AUGUST 2017 P:\Duke Energy Carolinas\20. BELEWS CREEK\CSA UPDATE OCT 2017\FIGURES\Time Series LEGEND Provisional Background Threshold Value (1.6 ug/L) Transition Zone IMAC 15 NCAC 02L Standard (1 ug/L) DRAWN BY: B. Wilker PROJECT MANAGER: S. Spinner LAYOUT: A. AlbertA. Albert 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. FIGURE 14-34 TIME VERSUS CONCENTRATION COBALT IN DEEP ZONE BELEWS CREEK STEAM STATION DUKE ENERGY CAROLINAS, LLC BELEWS CREEK, NORTH CAROLINA 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com DATE: AUGUST 2017 P:\Duke Energy Carolinas\20. BELEWS CREEK\CSA UPDATE OCT 2017\FIGURES\Time Series LEGEND Provisional Background Threshold Value (0.76 ug/L) Bedrock IMAC 15 NCAC 02L Standard (1 ug/L) DRAWN BY: B. Wilker PROJECT MANAGER: S. Spinner LAYOUT: A. AlbertA. Albert 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. FIGURE 14-35 TIME VERSUS CONCENTRATION COBALT IN BEDROCK ZONE BELEWS CREEK STEAM STATION DUKE ENERGY CAROLINAS, LLC BELEWS CREEK, NORTH CAROLINA 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com DATE: SEPTEMBER 2017 P:\Duke Energy Carolinas\20. BELEWS CREEK\CSA UPDATE OCT 2017\FIGURES\Time Series\Belews Time vs Conc Pine Hall Landfill_COIs.pptx FIGURE 14-36 TIME VERSUS CONCENTRATION COBALT PINE HALL ROAD LANDFILL BELEWS CREEK STEAM STATION DUKE ENERGY CAROLINAS, LLC BELEWS CREEK, NORTH CAROLINA LEGEND 15 NCAC 02L Standard (1 ug/L) Provisional Background Threshold Value (PBTV) Shallow (PBTV = 0.5) Transition Zone (PBTV = 1.6) Bedrock (PBTV = 0.8) DRAWN BY: L. Drago PROJECT MANAGER: S. Spinner LAYOUT: A. Albert 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 DATE: AUGUST 2017 P:\Duke Energy Carolinas\20. BELEWS CREEK\CSA UPDATE OCT 2017\FIGURES\Time Series LEGEND 15 NCAC 02L Standard (300 ug/L) Provisional Background Threshold Value (750 ug/L) Ash Porewater DRAWN BY: B. Wilker PROJECT MANAGER: S. Spinner LAYOUT: A. AlbertA. Albert Shallow 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. FIGURE 14-37 TIME VERSUS CONCENTRATION IRON IN SHALLOW ZONE BELEWS CREEK STEAM STATION DUKE ENERGY CAROLINAS, LLC BELEWS CREEK, NORTH CAROLINA 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com DATE: AUGUST 2017 P:\Duke Energy Carolinas\20. BELEWS CREEK\CSA UPDATE OCT 2017\FIGURES\Time Series LEGEND 15 NCAC 02L Standard (300 ug/L) Provisional Background Threshold Value (239.6 ug/L) Transition Zone DRAWN BY: B. Wilker PROJECT MANAGER: S. Spinner LAYOUT: A. AlbertA. Albert 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. FIGURE 14-38 TIME VERSUS CONCENTRATION IRON IN DEEP ZONE BELEWS CREEK STEAM STATION DUKE ENERGY CAROLINAS, LLC BELEWS CREEK, NORTH CAROLINA 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com DATE: AUGUST 2017 P:\Duke Energy Carolinas\20. BELEWS CREEK\CSA UPDATE OCT 2017\FIGURES\Time Series LEGEND 15 NCAC 02L Standard (300 ug/L) Provisional Background Threshold Value (228 ug/L) Bedrock DRAWN BY: B. Wilker PROJECT MANAGER: S. Spinner LAYOUT: A. AlbertA. Albert 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. FIGURE 14-39 TIME VERSUS CONCENTRATION IRON IN BEDROCK ZONE BELEWS CREEK STEAM STATION DUKE ENERGY CAROLINAS, LLC BELEWS CREEK, NORTH CAROLINA 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com DATE: SEPTEMBER 2017 P:\Duke Energy Carolinas\20. BELEWS CREEK\CSA UPDATE OCT 2017\FIGURES\Time Series\Belews Time vs Conc Pine Hall Landfill_COIs.pptx FIGURE 14-40 TIME VERSUS CONCENTRATION IRON PINE HALL ROAD LANDFILL BELEWS CREEK STEAM STATION DUKE ENERGY CAROLINAS, LLC BELEWS CREEK, NORTH CAROLINA LEGEND 15 NCAC 02L Standard (300 ug/L) Provisional Background Threshold Value (PBTV) Shallow (PBTV = 750) Transition Zone (PBTV = 239.6) Bedrock (PBTV = 228) DRAWN BY: L. Drago PROJECT MANAGER: S. Spinner LAYOUT: A. Albert 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: S. Spinner LAYOUT: A. Albert DATE: AUGUST 2017 P:\Duke Energy Carolinas\20. BELEWS CREEK\CSA UPDATE OCT 2017\FIGURES\Time Series LEGEND 15 NCAC 02L Standard (50 ug/L) Provisional Background Threshold Value (27.85 ug/L) Ash Porewater Shallow 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. FIGURE 14-41 TIME VERSUS CONCENTRATION MANGANESE IN SHALLOW ZONE BELEWS CREEK STEAM STATION DUKE ENERGY CAROLINAS, LLC BELEWS CREEK, NORTH CAROLINA 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com DRAWN BY: B. Wilker PROJECT MANAGER: S. Spinner LAYOUT: A. Albert DATE: AUGUST 2017 P:\Duke Energy Carolinas\20. BELEWS CREEK\CSA UPDATE OCT 2017\FIGURES\Time Series LEGEND 15 NCAC 02L Standard (50 ug/L) Provisional Background Threshold Value (55 ug/L) Transition Zone 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. FIGURE 14-42 TIME VERSUS CONCENTRATION MANGANESE IN DEEP ZONE BELEWS CREEK STEAM STATION DUKE ENERGY CAROLINAS, LLC BELEWS CREEK, NORTH CAROLINA 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com DRAWN BY: B. Wilker PROJECT MANAGER: S. Spinner LAYOUT: A. Albert DATE: AUGUST 2017 P:\Duke Energy Carolinas\20. BELEWS CREEK\CSA UPDATE OCT 2017\FIGURES\Time Series LEGEND 15 NCAC 02L Standard (50 ug/L) Provisional Background Threshold Value (9.9 ug/L) Bedrock 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. FIGURE 14-43 TIME VERSUS CONCENTRATION MANGANESE IN BEDROCK ZONE BELEWS CREEK STEAM STATION DUKE ENERGY CAROLINAS, LLC BELEWS CREEK, NORTH CAROLINA 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com DATE: SEPTEMBER 2017 P:\Duke Energy Carolinas\20. BELEWS CREEK\CSA UPDATE OCT 2017\FIGURES\Time Series\Belews Time vs Conc Pine Hall Landfill_COIs.pptx FIGURE 14-44 TIME VERSUS CONCENTRATION MANGANESE PINE HALL ROAD LANDFILL BELEWS CREEK STEAM STATION DUKE ENERGY CAROLINAS, LLC BELEWS CREEK, NORTH CAROLINA LEGEND 15 NCAC 02L Standard (50 ug/L) Provisional Background Threshold Value (PBTV) Shallow (PBTV = 27.9) Transition Zone (PBTV = 55) Bedrock (PBTV = 9.9) DRAWN BY: L. Drago PROJECT MANAGER: S. Spinner LAYOUT: A. Albert 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: S. Spinner LAYOUT: A. Albert DATE: AUGUST 2017 P:\Duke Energy Carolinas\20. BELEWS CREEK\CSA UPDATE OCT 2017\FIGURES\Time Series LEGEND Provisional Background Threshold Value (1 ug/L) Ash Porewater Shallow 15 NCAC 02L Standard (Not Established) 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. FIGURE 14-45 TIME VERSUS CONCENTRATION MOLYBDENUM IN SHALLOW ZONE BELEWS CREEK STEAM STATION DUKE ENERGY CAROLINAS, LLC BELEWS CREEK, NORTH CAROLINA 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com DRAWN BY: B. Wilker PROJECT MANAGER: S. Spinner LAYOUT: A. Albert DATE: AUGUST 2017 P:\Duke Energy Carolinas\20. BELEWS CREEK\CSA UPDATE OCT 2017\FIGURES\Time Series LEGEND Provisional Background Threshold Value (1.3 ug/L) Transition Zone 15 NCAC 02L Standard (Not Established) 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. FIGURE 14-46 TIME VERSUS CONCENTRATION MOLYBDENUM IN DEEP ZONE BELEWS CREEK STEAM STATION DUKE ENERGY CAROLINAS, LLC BELEWS CREEK, NORTH CAROLINA 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com DRAWN BY: B. Wilker PROJECT MANAGER: S. Spinner LAYOUT: A. Albert DATE: AUGUST 2017 P:\Duke Energy Carolinas\20. BELEWS CREEK\CSA UPDATE OCT 2017\FIGURES\Time Series LEGEND 15 NCAC 02L Standard (Not Established) Provisional Background Threshold Value (3.7 ug/L) Bedrock 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. FIGURE 14-47 TIME VERSUS CONCENTRATION MOLYBDENUM IN BEDROCK ZONE BELEWS CREEK STEAM STATION DUKE ENERGY CAROLINAS, LLC BELEWS CREEK, NORTH CAROLINA 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com DATE: SEPTEMBER 2017 P:\Duke Energy Carolinas\20. BELEWS CREEK\CSA UPDATE OCT 2017\FIGURES\Time Series\Belews Time vs Conc Pine Hall Landfill_COIs.pptx FIGURE 14-48 TIME VERSUS CONCENTRATION MOLYBDENUM PINE HALL ROAD LANDFILL BELEWS CREEK STEAM STATION DUKE ENERGY CAROLINAS, LLC BELEWS CREEK, NORTH CAROLINA LEGEND 15 NCAC 02L Standard (NE) Provisional Background Threshold Value (PBTV) Shallow (PBTV = 1) Transition Zone (PBTV = 1.3) Bedrock (PBTV = 3.7) DRAWN BY: L. Drago PROJECT MANAGER: S. Spinner LAYOUT: A. Albert NO SAMPLES ANALYZED FOR MOLYBDENUM NO SAMPLES ANALYZED FOR MOLYBDENUM NO SAMPLES ANALYZED FOR MOLYBDENUM NO SAMPLES ANALYZED FOR MOLYBDENUM NO SAMPLES ANALYZED FOR MOLYBDENUM 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: S. Spinner LAYOUT: A. Albert DATE: AUGUST 2017 P:\Duke Energy Carolinas\20. BELEWS CREEK\CSA UPDATE OCT 2017\FIGURES\Time Series LEGEND IMAC 15 NCAC 02L Standard (6.5-8.5) Ash Porewater Shallow 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. FIGURE 14-49 TIME VERSUS CONCENTRATION pH IN SHALLOW ZONE BELEWS CREEK STEAM STATION DUKE ENERGY CAROLINAS, LLC BELEWS CREEK, NORTH CAROLINA 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com DRAWN BY: B. Wilker PROJECT MANAGER: S. Spinner LAYOUT: A. Albert DATE: AUGUST 2017 P:\Duke Energy Carolinas\20. BELEWS CREEK\CSA UPDATE OCT 2017\FIGURES\Time Series LEGEND Transition Zone IMAC 15 NCAC 02L Standard (6.5-8.5) 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. FIGURE 14-50 TIME VERSUS CONCENTRATION pH IN DEEP ZONE BELEWS CREEK STEAM STATION DUKE ENERGY CAROLINAS, LLC BELEWS CREEK, NORTH CAROLINA 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com DRAWN BY: B. Wilker PROJECT MANAGER: S. Spinner LAYOUT: A. Albert DATE: AUGUST 2017 P:\Duke Energy Carolinas\20. BELEWS CREEK\CSA UPDATE OCT 2017\FIGURES\Time Series LEGEND Bedrock IMAC 15 NCAC 02L Standard (6.5-8.5) 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. FIGURE 14-51 TIME VERSUS CONCENTRATION pH IN BEDROCK ZONE BELEWS CREEK STEAM STATION DUKE ENERGY CAROLINAS, LLC BELEWS CREEK, NORTH CAROLINA 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com DRAWN BY: L. Drago PROJECT MANAGER: S. Spinner LAYOUT: A. Albert DATE: SEPTEMBER 2017 P:\Duke Energy Carolinas\20. BELEWS CREEK\CSA UPDATE OCT 2017\FIGURES\Time Series\Belews Time vs Conc Pine Hall Landfill_COIs.pptx FIGURE 14-52 TIME VERSUS CONCENTRATION pH PINE HALL ROAD LANDFILL BELEWS CREEK STEAM STATION DUKE ENERGY CAROLINAS, LLC BELEWS CREEK, NORTH CAROLINA LEGEND 15 NCAC 02L Standard (6.5 – 8.5) Provisional Background Threshold Value (PBTV) Shallow (PBTV = 5.1-6) Transition Zone (PBTV = 5.2-7) Bedrock (PBTV = 6.2-6.5) 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: S. Spinner LAYOUT: A. Albert DATE: AUGUST 2017 P:\Duke Energy Carolinas\20. BELEWS CREEK\CSA UPDATE OCT 2017\FIGURES\Time Series LEGEND 15 NCAC 02L Standard (20 ug/L) Provisional Background Threshold Value (NE ug/L) Ash Porewater Shallow 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. FIGURE 14-53 TIME VERSUS CONCENTRATION SELENIUM IN SHALLOW ZONE BELEWS CREEK STEAM STATION DUKE ENERGY CAROLINAS, LLC BELEWS CREEK, NORTH CAROLINA 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com DRAWN BY: B. Wilker PROJECT MANAGER: S. Spinner LAYOUT: A. Albert DATE: AUGUST 2017 P:\Duke Energy Carolinas\20. BELEWS CREEK\CSA UPDATE OCT 2017\FIGURES\Time Series LEGEND 15 NCAC 02L Standard (20 ug/L) Provisional Background Threshold Value (NE ug/L) Transition Zone 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. FIGURE 14-54 TIME VERSUS CONCENTRATION SELENIUM IN DEEP ZONE BELEWS CREEK STEAM STATION DUKE ENERGY CAROLINAS, LLC BELEWS CREEK, NORTH CAROLINA 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com DRAWN BY: B. Wilker PROJECT MANAGER: S. Spinner LAYOUT: A. Albert DATE: AUGUST 2017 P:\Duke Energy Carolinas\20. BELEWS CREEK\CSA UPDATE OCT 2017\FIGURES\Time Series LEGEND 15 NCAC 02L Standard (20 ug/L) Provisional Background Threshold Value (0.5 ug/L) Bedrock 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. FIGURE 14-55 TIME VERSUS CONCENTRATION SELENIUM IN BEDROCK ZONE BELEWS CREEK STEAM STATION DUKE ENERGY CAROLINAS, LLC BELEWS CREEK, NORTH CAROLINA 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com DATE: SEPTEMBER 2017 P:\Duke Energy Carolinas\20. BELEWS CREEK\CSA UPDATE OCT 2017\FIGURES\Time Series\Belews Time vs Conc Pine Hall Landfill_COIs.pptx FIGURE 14-56 TIME VERSUS CONCENTRATION SELENIUM PINE HALL ROAD LANDFILL BELEWS CREEK STEAM STATION DUKE ENERGY CAROLINAS, LLC BELEWS CREEK, NORTH CAROLINA LEGEND 15 NCAC 02L Standard (20 ug/L) Provisional Background Threshold Value (PBTV) Shallow (PBTV = NE) Transition Zone (PBTV = NE) Bedrock (PBTV = 0.5) DRAWN BY: L. Drago PROJECT MANAGER: S. Spinner LAYOUT: A. Albert 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: S. Spinner LAYOUT: A. Albert DATE: AUGUST 2017 P:\Duke Energy Carolinas\20. BELEWS CREEK\CSA UPDATE OCT 2017\FIGURES\Time Series Provisional Background Threshold Value (56.54 ug/L) LEGEND Ash Porewater Shallow 15 NCAC 02L Standard (Not Established) 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. FIGURE 14-57 TIME VERSUS CONCENTRATION STRONTIUM IN SHALLOW ZONE BELEWS CREEK STEAM STATION DUKE ENERGY CAROLINAS, LLC BELEWS CREEK, NORTH CAROLINA 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com DRAWN BY: B. Wilker PROJECT MANAGER: S. Spinner LAYOUT: A. Albert DATE: AUGUST 2017 P:\Duke Energy Carolinas\20. BELEWS CREEK\CSA UPDATE OCT 2017\FIGURES\Time Series LEGEND Provisional Background Threshold Value (68.53 ug/L) Transition Zone 15 NCAC 02L Standard (Not Established) 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. FIGURE 14-58 TIME VERSUS CONCENTRATION STRONTIUM IN DEEP ZONE BELEWS CREEK STEAM STATION DUKE ENERGY CAROLINAS, LLC BELEWS CREEK, NORTH CAROLINA 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com DRAWN BY: B. Wilker PROJECT MANAGER: S. Spinner LAYOUT: A. Albert DATE: AUGUST 2017 P:\Duke Energy Carolinas\20. BELEWS CREEK\CSA UPDATE OCT 2017\FIGURES\Time Series LEGEND Provisional Background Threshold Value (100 ug/L) Bedrock 15 NCAC 02L Standard (Not Established) 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. FIGURE 14-59 TIME VERSUS CONCENTRATION STRONTIUM IN BEDROCK ZONE BELEWS CREEK STEAM STATION DUKE ENERGY CAROLINAS, LLC BELEWS CREEK, NORTH CAROLINA 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com DATE: SEPTEMBER 2017 P:\Duke Energy Carolinas\20. BELEWS CREEK\CSA UPDATE OCT 2017\FIGURES\Time Series\Belews Time vs Conc Pine Hall Landfill_COIs.pptx FIGURE 14-60 TIME VERSUS CONCENTRATION STRONTIUM PINE HALL ROAD LANDFILL BELEWS CREEK STEAM STATION DUKE ENERGY CAROLINAS, LLC BELEWS CREEK, NORTH CAROLINA LEGEND 15 NCAC 02L Standard (NE) Provisional Background Threshold Value (PBTV) Shallow (PBTV = 56.5) Transition Zone (PBTV = 68.5) Bedrock (PBTV = 100) NO SAMPLES ANALYZED FOR STRONTIUM NO SAMPLES ANALYZED FOR STRONTIUM NO SAMPLES ANALYZED FOR STRONTIUM NO SAMPLES ANALYZED FOR STRONTIUM NO SAMPLES ANALYZED FOR STRONTIUM DRAWN BY: L. Drago PROJECT MANAGER: S. Spinner LAYOUT: A. Albert 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: S. Spinner LAYOUT: A. Albert DATE: AUGUST 2017 P:\Duke Energy Carolinas\20. BELEWS CREEK\CSA UPDATE OCT 2017\FIGURES\Time Series LEGEND 15 NCAC 02L Standard (250 ug/L) Provisional Background Threshold Value (1.93 ug/L) Ash Porewater Shallow 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. FIGURE 14-61 TIME VERSUS CONCENTRATION SULFATE IN SHALLOW ZONE BELEWS CREEK STEAM STATION DUKE ENERGY CAROLINAS, LLC BELEWS CREEK, NORTH CAROLINA 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com DRAWN BY: B. Wilker PROJECT MANAGER: S. Spinner LAYOUT: A. Albert DATE: AUGUST 2017 P:\Duke Energy Carolinas\20. BELEWS CREEK\CSA UPDATE OCT 2017\FIGURES\Time Series LEGEND 15 NCAC 02L Standard (250 ug/L) Provisional Background Threshold Value (6.347 ug/L) Transition Zone 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. FIGURE 14-62 TIME VERSUS CONCENTRATION SULFATE IN DEEP ZONE BELEWS CREEK STEAM STATION DUKE ENERGY CAROLINAS, LLC BELEWS CREEK, NORTH CAROLINA 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com DRAWN BY: B. Wilker PROJECT MANAGER: S. Spinner LAYOUT: A. Albert DATE: AUGUST 2017 P:\Duke Energy Carolinas\20. BELEWS CREEK\CSA UPDATE OCT 2017\FIGURES\Time Series LEGEND 15 NCAC 02L Standard (250 ug/L) Provisional Background Threshold Value (9.6 ug/L) Bedrock 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. FIGURE 14-63 TIME VERSUS CONCENTRATION SULFATE IN BEDROCK ZONE BELEWS CREEK STEAM STATION DUKE ENERGY CAROLINAS, LLC BELEWS CREEK, NORTH CAROLINA 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com DATE: SEPTEMBER 2017 P:\Duke Energy Carolinas\20. BELEWS CREEK\CSA UPDATE OCT 2017\FIGURES\Time Series\Belews Time vs Conc Pine Hall Landfill_COIs.pptx FIGURE 14-64 TIME VERSUS CONCENTRATION SULFATE PINE HALL ROAD LANDFILL BELEWS CREEK STEAM STATION DUKE ENERGY CAROLINAS, LLC BELEWS CREEK, NORTH CAROLINA LEGEND 15 NCAC 02L Standard (250 ug/L) Provisional Background Threshold Value (PBTV) Shallow (PBTV = 1.9) Transition Zone (PBTV = 6.4) Bedrock (PBTV = 9.6) DRAWN BY: L. Drago PROJECT MANAGER: S. Spinner LAYOUT: A. Albert 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: S. Spinner LAYOUT: A. Albert DATE: AUGUST 2017 P:\Duke Energy Carolinas\20. BELEWS CREEK\CSA UPDATE OCT 2017\FIGURES\Time Series LEGEND 15 NCAC 02L Standard (500 ug/L) Provisional Background Threshold Value (84.844 ug/L) Ash Porewater Shallow 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. FIGURE 14-65 TIME VERSUS CONCENTRATION TDS IN SHALLOW ZONE BELEWS CREEK STEAM STATION DUKE ENERGY CAROLINAS, LLC BELEWS CREEK, NORTH CAROLINA 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com DRAWN BY: B. Wilker PROJECT MANAGER: S. Spinner LAYOUT: A. Albert DATE: AUGUST 2017 P:\Duke Energy Carolinas\20. BELEWS CREEK\CSA UPDATE OCT 2017\FIGURES\Time Series LEGEND 15 NCAC 02L Standard (500 ug/L) Provisional Background Threshold Value (147.969 ug/L) Transition Zone 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. FIGURE 14-66 TIME VERSUS CONCENTRATION TDS IN DEEP ZONE BELEWS CREEK STEAM STATION DUKE ENERGY CAROLINAS, LLC BELEWS CREEK, NORTH CAROLINA 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com DRAWN BY: B. Wilker PROJECT MANAGER: S. Spinner LAYOUT: A. Albert DATE: AUGUST 2017 P:\Duke Energy Carolinas\20. BELEWS CREEK\CSA UPDATE OCT 2017\FIGURES\Time Series LEGEND 15 NCAC 02L Standard (500 ug/L) Provisional Background Threshold Value (133 ug/L) Bedrock 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. FIGURE 14-67 TIME VERSUS CONCENTRATION TDS IN BEDROCK ZONE BELEWS CREEK STEAM STATION DUKE ENERGY CAROLINAS, LLC BELEWS CREEK, NORTH CAROLINA 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com DATE: SEPTEMBER 2017 P:\Duke Energy Carolinas\20. BELEWS CREEK\CSA UPDATE OCT 2017\FIGURES\Time Series\Belews Time vs Conc Pine Hall Landfill_COIs.pptx FIGURE 14-68 TIME VERSUS CONCENTRATION TDS PINE HALL ROAD LANDFILL BELEWS CREEK STEAM STATION DUKE ENERGY CAROLINAS, LLC BELEWS CREEK, NORTH CAROLINA LEGEND 15 NCAC 02L Standard (500 ug/L) Provisional Background Threshold Value (PBTV) Shallow (PBTV = 84.8) Transition Zone (PBTV = 148) Bedrock (PBTV = 133) DRAWN BY: L. Drago PROJECT MANAGER: S. Spinner LAYOUT: A. Albert 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: S. Spinner LAYOUT: A. Albert DATE: AUGUST 2017 P:\Duke Energy Carolinas\20. BELEWS CREEK\CSA UPDATE OCT 2017\FIGURES\Time Series LEGEND IMAC 15 NCAC 02L Standard (0.2 ug/L) Provisional Background Threshold Value (0.2 ug/L) Ash Porewater Shallow 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. FIGURE 14-69 TIME VERSUS CONCENTRATION THALLIUM IN SHALLOW ZONE BELEWS CREEK STEAM STATION DUKE ENERGY CAROLINAS, LLC BELEWS CREEK, NORTH CAROLINA 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com DRAWN BY: B. Wilker PROJECT MANAGER: S. Spinner LAYOUT: A. Albert DATE: AUGUST 2017 P:\Duke Energy Carolinas\20. BELEWS CREEK\CSA UPDATE OCT 2017\FIGURES\Time Series LEGEND Provisional Background Threshold Value (0.2 ug/L) Transition Zone IMAC 15 NCAC 02L Standard (0.2 ug/L) 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. FIGURE 14-70 TIME VERSUS CONCENTRATION THALLIUM IN DEEP ZONE BELEWS CREEK STEAM STATION DUKE ENERGY CAROLINAS, LLC BELEWS CREEK, NORTH CAROLINA 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com DRAWN BY: B. Wilker PROJECT MANAGER: S. Spinner LAYOUT: A. Albert DATE: AUGUST 2017 P:\Duke Energy Carolinas\20. BELEWS CREEK\CSA UPDATE OCT 2017\FIGURES\Time Series LEGEND Provisional Background Threshold Value (0.1 ug/L) Bedrock IMAC 15 NCAC 02L Standard (0.2 ug/L) 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. FIGURE 14-71 TIME VERSUS CONCENTRATION THALLIUM IN BEDROCK ZONE BELEWS CREEK STEAM STATION DUKE ENERGY CAROLINAS, LLC BELEWS CREEK, NORTH CAROLINA 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com DATE: SEPTEMBER 2017 P:\Duke Energy Carolinas\20. BELEWS CREEK\CSA UPDATE OCT 2017\FIGURES\Time Series\Belews Time vs Conc Pine Hall Landfill_COIs.pptx FIGURE 14-72 TIME VERSUS CONCENTRATION THALLIUM PINE HALL ROAD LANDFILL BELEWS CREEK STEAM STATION DUKE ENERGY CAROLINAS, LLC BELEWS CREEK, NORTH CAROLINA LEGEND 15 NCAC 02L Standard (0.2 ug/L) Provisional Background Threshold Value (PBTV) Shallow (PBTV = 0.2) Transition Zone (PBTV = 0.2) Bedrock (PBTV = 0.1) DRAWN BY: L. Drago PROJECT MANAGER: S. Spinner LAYOUT: A. Albert 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: S. Spinner LAYOUT: A. Albert DATE: AUGUST 2017 P:\Duke Energy Carolinas\20. BELEWS CREEK\CSA UPDATE OCT 2017\FIGURES\Time Series LEGEND IMAC 15 NCAC 02L Standard (0.3 ug/L) Provisional Background Threshold Value (1.894 ug/L) Ash Porewater Shallow 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. FIGURE 14-73 TIME VERSUS CONCENTRATION VANADIUM IN SHALLOW ZONE BELEWS CREEK STEAM STATION DUKE ENERGY CAROLINAS, LLC BELEWS CREEK, NORTH CAROLINA 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com DRAWN BY: B. Wilker PROJECT MANAGER: S. Spinner LAYOUT: A. Albert DATE: AUGUST 2017 P:\Duke Energy Carolinas\20. BELEWS CREEK\CSA UPDATE OCT 2017\FIGURES\Time Series LEGEND Provisional Background Threshold Value (1.453 ug/L) Transition Zone IMAC 15 NCAC 02L Standard (0.3 ug/L) 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. FIGURE 14-74 TIME VERSUS CONCENTRATION VANADIUM IN DEEP ZONE BELEWS CREEK STEAM STATION DUKE ENERGY CAROLINAS, LLC BELEWS CREEK, NORTH CAROLINA 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com DRAWN BY: B. Wilker PROJECT MANAGER: S. Spinner LAYOUT: A. Albert DATE: AUGUST 2017 P:\Duke Energy Carolinas\20. BELEWS CREEK\CSA UPDATE OCT 2017\FIGURES\Time Series LEGEND Provisional Background Threshold Value (0.82 ug/L) Bedrock IMAC 15 NCAC 02L Standard (0.3 ug/L) 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. FIGURE 14-75 TIME VERSUS CONCENTRATION VANADIUM IN BEDROCK ZONE BELEWS CREEK STEAM STATION DUKE ENERGY CAROLINAS, LLC BELEWS CREEK, NORTH CAROLINA 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com DATE: SEPTEMBER 2017 P:\Duke Energy Carolinas\20. BELEWS CREEK\CSA UPDATE OCT 2017\FIGURES\Time Series\Belews Time vs Conc Pine Hall Landfill_COIs.pptx FIGURE 14-76 TIME VERSUS CONCENTRATION VANADIUM PINE HALL ROAD LANDFILL BELEWS CREEK STEAM STATION DUKE ENERGY CAROLINAS, LLC BELEWS CREEK, NORTH CAROLINA LEGEND 15 NCAC 02L Standard (0.3 ug/L) Provisional Background Threshold Value (PBTV) Shallow (PBTV = 1.9) Transition Zone (PBTV = 1.5) Bedrock (PBTV = 0.8) DRAWN BY: L. Drago PROJECT MANAGER: S. Spinner LAYOUT: A. Albert 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. <<<<<<<<< <<<<<<<<<<<<<<<&<&<&<&< &<&< &<&< &<&< &<&< &<&< &<&< &<&<&<&< &<&< &<&< &<&< &< &< &<&< &<&< &<&< &<&< &< &<&< &<&< &<&<&< &<&< &<&< &< &< &< &< &< &< &< &<&< &<&<&< &< &<&<&< &<&<&< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &<&<&< &< &<&< &< &< &< &<&< &<&< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< !( !( !( !( !( !( !( !( !( !(!( !( !( !( !( BELEWS RESERVOIR ASH BASIN PINE HALLROAD LANDFILL STRUCTURALFILL GEORGIA RDMARTIN LUTHER KING JR RDOLD PLANTATION RD MIDDLETON LOOPP IN E H A L L R D AB-1D0.22 AB-1SND AB-3SND AB-4SND AB-5D0.18 AB-6DND AB-6SND AB-7DND AB-7SND AB-8DND AB-9SND BG-1DND BG-2DND BG-2SND BG-3DND BG-3SND GWA-1S0.55 GWA-2DND GWA-2SND GWA-3DND GWA-5D0.19 j GWA-5SND GWA-6DND GWA-6S0.24 j GWA-7SAND GWA-8D0.32 j GWA-8SND GWA-10SND GWA-11SND GWA-12DND GWA-16SND GWA-17SND MW-3ND MW-103DND MW-200BRND MW-200DND MW-200SND MW-201DND MW-202BR0.28 j MW-202DND MW-202SND MW-203BR0.13 j MW-203DND MW-203SND MW-204DND MW-204SND OB-426.2 AB-2D0.13 j AB-4BR0.19 j AB-6SLND AB-9BR0.16 j GWA-19SAND GWA-21SND GWA-31DND MW-103SND MW-201BRND GWA-20DND GWA-20SAND GWA-21DND GWA-23D0.28 j GWA-24DND GWA-30SND GWA-31SND GWA-32SND GWA-9SND S-1ND S-2ND S-3ND S-4ND S-5ND S-60.1 j S-7ND S-8ND S-9ND S-10ND S-11ND S-12ND S-15ND GWA-1D1.6 GWA-7D0.65 GWA-17D0.1 j MW-1ND MW-104D0.98 MW2-9ND AB-8S1.2 GWA-18D0.41 j AB-3D0.65 AB-4D0.38 AB-5S0.13 AB-8SL0.13 AB-9D2.8 GWA-4D0.13 j GWA-9D1.2 GWA-11D0.16 j GWA-12BR0.27 j GWA-12SND MW-1DND MW-40.309 jMW-5ND MW-6ND MW-104S0.24 j MW2-7ND OB-9ND GWA-23S0.17 j GWA-32DND MW-20.49 j GWA-24BR0.85 GWA-3SND BG-2BRA0.28 j GWA-10DA0.2 j GWA-16DAND OB-1NS GWA-30DND GWA-9BRND GWA-18SND GWA-18SAND GWA-19SNS GWA-22S0.22 j GWA-26DND GWA-26S0.18 j GWA-27DND GWA-27S0.18 j GWA-20BRNS MW-101DNS MW2-1NS MW2-3NS MW2-4NS MW2-5NS MW-7NS MW2-2NS SFMW-1DNS SFMW-2DNS SFMW-3DNS SFMW-4DNS SFMW-5DNS S-13ND S-16ND NOTES:ANTIMONY CONCENTRATION IS MEASURED IN μg/L AND THE IMAC STANDARD IS 1μg/L. ND = NON-DETECT NS = NOT SAMPLED CONCENTRATIONS REPORTED ARE FROM APRIL - MAY 2017 SAMPLING EVENT. THE DETERMINATION OF CONCENTRATION TRENDS OVER TIME ARE GENERALIZEDBASED ON AVAILABLE DATA AND WERE NOT STATISTICALLY DETERMINED. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON AUGUST 2, 2017.AERIAL WAS COLLECTED ON APRIL 8, 2017. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83/2011). FIGURE 14-77GROUNDWATER CONCENTRATIONTREND ANALYSIS -ANTIMONY IN ALL FLOW LAYERS AND AOWSBELEWS CREEK STEAM STATIONDUKE ENERGY CAROLINAS, LLCBELEWS CREEK, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: S. SPINNERCHECKED BY: A. ALBERT DATE: 10/25/2017 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Belews Creek Steam Station\MapDocs\CSA_Supplement_2\Belews - Groundwater Concentration Trend Analysis.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET &<DOWNGRADIENT MONITORING WELL &<BACKGROUND MONITORING WELL &<ABANDONED MONITORING WELL WATER SUPPLY WELL !(AOW SAMPLE LOCATION <STREAM (AMEC NRTR 2015) DESIGNATED EFFLUENT CHANNEL ASH BASIN WASTE BOUNDARY ASH BASIN COMPLIANCE BOUNDARY LANDFILL BOUNDARY STRUCTURAL FILL BOUNDARY LANDFILL COMPLIANCE BOUNDARY DUKE ENERGY CAROLINAS BELEWS CREEK PLANTSITE BOUNDARY LEGEND INCREASING CONCENTRATION OVER TIME1 DECREASING CONCENTRATION OVER TIME1 STABLE CONCENTRATION OVER TIME1 UNKNOWN CONCENTRATION OVER TIME1 <<<<<<<<< <<<<<<<<<<<<<<<&<&<&<&< &<&< &<&< &<&< &<&< &<&< &<&< &<&<&<&< &<&< &<&< &<&< &< &< &<&< &<&< &<&< &<&< &< &<&< &<&< &<&<&< &<&< &<&< &< &< &< &< &< &< &< &< &<&< &<&<&< &< &< &<&<&< &< &<&<&< &< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &<&<&< &< &<&< &< &< &< &<&< &<&< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< !( !( !( !( !( !( !( !( !( !(!( !( !( !( !( BELEWS RESERVOIR ASH BASIN PINE HALLROAD LANDFILL STRUCTURALFILL GEORGIA RDMARTIN LUTHER KING JR RDOLD PLANTATION RD M I D D L E T O N L O O P P IN E H A L L R D AB-4S89.7 AB-9S0.1 BG-1D0.1 BG-2D0.11GWA-1S0.47 GWA-2S1.2 GWA-3D0.12 GWA-6D2.4 GWA-8S0.18 GWA-9D0.24 GWA-10S5.2 GWA-11D3.8 GWA-12D0.12 GWA-17D0.18 GWA-17S0.18 MW-10.171 j MW-1DND MW-30.12 MW-40.101 j MW-60.088 j MW-101DNS MW-104S0.041 j MW-200BR1.4MW-200DND MW-201DND MW-202DND MW-202SND MW-203DND MW-203SND MW-204DND MW-204SND AB-2D2.1 AB-9BR12.4 GWA-19SA3.7 GWA-23S0.25 MW-2ND MW-201BR0.37GWA-21D0.22 GWA-30S0.23 GWA-9S0.15 S-31.16 S-4ND S-8ND S-9ND S-10ND S-111.16 S-12ND S-151.1 AB-1S4 AB-3D16.5 AB-4D3.5 AB-5D0.7 BG-2S0.1 BG-3D0.1 GWA-8D0.66 GWA-11S1.7 GWA-12BR1.7 MW-104D0.28 MW-200SND MW-203BR0.14 AB-4BR0.62 MW-103S74.5 GWA-20SA4.3 GWA-31S0.91 AB-1D1.8 AB-3S1.2 AB-5S98.5 AB-6D0.081 AB-6S2.3 AB-7D0.22 AB-7S14.5 AB-8D0.95 AB-8SL227 AB-9D1.1 BG-3S0.12 GWA-1D1.6 GWA-2D3.7 GWA-4D0.16 GWA-5D0.15 GWA-5S0.065 j GWA-6S0.29 GWA-7D2 GWA-7SA0.044 j GWA-12S0.058 j GWA-16SND MW-50.601 j MW-103D0.5 MW-202BR0.37 MW2-70.433 j MW2-90.621 j OB-430.7 OB-90.578 j AB-6SL4.8 AB-8S1.7 GWA-21S0.64 GWA-31D0.29 GWA-32D0.26 GWA-18D0.91 GWA-20D3.2 GWA-23D0.4 GWA-24BR4.1 GWA-24D0.07 j GWA-32S35.1 GWA-3S0.18 S-1ND S-2ND S-5ND S-60.98 S-74.73 BG-2BRA0.42 GWA-10DA1.6 GWA-16DA0.27 MW2-1NS MW2-3NS MW2-4NS MW2-5NS OB-1NS GWA-30D1.6 GWA-9BR0.16 GWA-18S2.2 GWA-18SA0.76 GWA-19S4.2 GWA-22S0.2 GWA-26D0.064 j GWA-26S0.067 j GWA-27D1.1 GWA-27S1.1 GWA-20BRNS MW-7NS MW2-2NS SFMW-1DNS SFMW-2DNS SFMW-3DNS SFMW-4DNS SFMW-5DNS S-13ND S-16ND NOTES:ARSENIC CONCENTRATION IS MEASURED IN μg/L AND THE NCAC 02L STANDARD IS 10μg/L. ND = NON-DETECT NS = NOT SAMPLED CONCENTRATIONS REPORTED ARE FROM APRIL - MAY 2017 SAMPLING EVENT. THE DETERMINATION OF CONCENTRATION TRENDS OVER TIME ARE GENERALIZEDBASED ON AVAILABLE DATA AND WERE NOT STATISTICALLY DETERMINED. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON AUGUST 2, 2017.AERIAL WAS COLLECTED ON APRIL 8, 2017. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83/2011). FIGURE 14-78GROUNDWATER CONCENTRATIONTREND ANALYSIS -ARSENIC IN ALL FLOW LAYERS AND AOWSBELEWS CREEK STEAM STATIONDUKE ENERGY CAROLINAS, LLCBELEWS CREEK, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: S. SPINNERCHECKED BY: A. ALBERT DATE: 10/25/2017 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Belews Creek Steam Station\MapDocs\CSA_Supplement_2\Belews - Groundwater Concentration Trend Analysis.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET &<DOWNGRADIENT MONITORING WELL &<BACKGROUND MONITORING WELL &<ABANDONED MONITORING WELL WATER SUPPLY WELL !(AOW SAMPLE LOCATION <STREAM (AMEC NRTR 2015) DESIGNATED EFFLUENT CHANNEL ASH BASIN WASTE BOUNDARY ASH BASIN COMPLIANCE BOUNDARY LANDFILL BOUNDARY STRUCTURAL FILL BOUNDARY LANDFILL COMPLIANCE BOUNDARY DUKE ENERGY CAROLINAS BELEWS CREEK PLANTSITE BOUNDARY LEGEND INCREASING CONCENTRATION OVER TIME1 DECREASING CONCENTRATION OVER TIME1 STABLE CONCENTRATION OVER TIME1 UNKNOWN CONCENTRATION OVER TIME1 <<<<<<<<< <<<<<<<<<<<<<<<&<&<&<&< &<&< &<&< &<&< &<&< &<&< &<&< &<&<&<&< &<&< &<&< &<&< &< &< &<&< &<&< &<&< &<&< &< &<&< &<&< &<&<&< &<&< &<&< &< &< &< &< &< &< &< &< &<&< &<&<&< &< &< &<&<&< &< &<&<&< &< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &<&<&< &< &<&< &< &< &< &<&< &<&< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< !( !( !( !( !( !( !( !( !( !(!( !( !( !( !( BELEWS RESERVOIR ASH BASIN PINE HALLROAD LANDFILL STRUCTURALFILL GEORGIA RDMARTIN LUTHER KING JR RDOLD PLANTATION RD MIDDLETON LOOPP IN E H A L L R D AB-1D191 AB-6D20.6 AB-9S56.1 BG-2D5.1 GWA-2DNDGWA-2S17 GWA-3D25.1 GWA-5S20.3 GWA-6D19.5 GWA-7D12.3 GWA-7SA211 GWA-8D7 GWA-8S54.4 GWA-11D20.5 GWA-12D13.4 GWA-12S24.9 GWA-16S41.2 MW-120.7 MW-354.8 MW-668.4 MW-200BRND MW-200DND MW-202S24.0 MW-203BRND MW-203D9.0 MW-203S48 MW-204D53 MW-204S172 AB-4BR5.6 GWA-19SA746 GWA-31D4.4 j MW-201BRND GWA-18DND GWA-24BR4.8 jGWA-24D7.9 GWA-31S15.8 GWA-32S11.3 GWA-3S72.2 S-660.8 S-736 S-847 S-950 S-10271 S-11246 S-1243 S-1522 AB-1S99.7 AB-5D11.4AB-5S156 AB-6S180 AB-7D20.6 AB-7S54 AB-8SL348 AB-9D15.8 BG-1D6.6 BG-2SNS BG-3D14.8 GWA-1S298 GWA-4D47 GWA-6S110 GWA-9D8.7 GWA-10S373 GWA-11S605 GWA-12BR4.5 j GWA-17D9.1 GWA-17S56.7 MW-45.56 MW-533.6 MW-101DNS MW-103D574 MW-104D16.5 MW-104S73.4 MW-200S64 AB-2D118 AB-6SL209 AB-9BR20.5 GWA-21S408 GWA-32D11.5 MW-103S53 GWA-21D236 GWA-30S19.9 GWA-9S81.1 S-126 S-2216 S-321 S-4134 AB-3D14.2 AB-3S166 AB-4D24.1 AB-4S101 AB-8D7.5 BG-3S42.6 GWA-1D10.8 GWA-5D7.3 MW-1D0.918 j MW-201D5 MW-202BR3.0 j MW-202D7.0 MW2-723.1 MW2-959.1 OB-430.7 OB-912.9 AB-8S90.9 GWA-23S62.9 MW-272.9 GWA-20D58.7 GWA-20SA282 GWA-23D49.5 S-510 BG-2BRA3.9 j GWA-10DA4.2 j GWA-16DA8.6 MW2-1NS MW2-3NS MW2-4NS MW2-5NS OB-1NS GWA-30D48.2 GWA-9BRND GWA-18S30.7 GWA-18SA117 GWA-19S516 GWA-22SND GWA-26D34.8 GWA-26S53.6 GWA-27D56.6 GWA-27S153 GWA-20BRNS MW-7NS MW2-2NS SFMW-1DNS SFMW-2DNS SFMW-3DNS SFMW-4DNS SFMW-5DNS S-1368 S-1625 NOTES:BARIUM CONCENTRATION IS MEASURED IN μg/L AND THE NCAC 02L STANDARD IS 700μg/L. ND = NON-DETECT NS = NOT SAMPLED CONCENTRATIONS REPORTED ARE FROM APRIL - MAY 2017 SAMPLING EVENT. THE DETERMINATION OF CONCENTRATION TRENDS OVER TIME ARE GENERALIZEDBASED ON AVAILABLE DATA AND WERE NOT STATISTICALLY DETERMINED. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON AUGUST 2, 2017.AERIAL WAS COLLECTED ON APRIL 8, 2017. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83/2011). FIGURE 14-79GROUNDWATER CONCENTRATIONTREND ANALYSIS -BARIUM IN ALL FLOW LAYERS AND AOWSBELEWS CREEK STEAM STATIONDUKE ENERGY CAROLINAS, LLCBELEWS CREEK, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: S. SPINNERCHECKED BY: A. ALBERT DATE: 10/25/2017 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Belews Creek Steam Station\MapDocs\CSA_Supplement_2\Belews - Groundwater Concentration Trend Analysis.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET &<DOWNGRADIENT MONITORING WELL &<BACKGROUND MONITORING WELL &<ABANDONED MONITORING WELL WATER SUPPLY WELL !(AOW SAMPLE LOCATION <STREAM (AMEC NRTR 2015) DESIGNATED EFFLUENT CHANNEL ASH BASIN WASTE BOUNDARY ASH BASIN COMPLIANCE BOUNDARY LANDFILL BOUNDARY STRUCTURAL FILL BOUNDARY LANDFILL COMPLIANCE BOUNDARY DUKE ENERGY CAROLINAS BELEWS CREEK PLANTSITE BOUNDARY LEGEND INCREASING CONCENTRATION OVER TIME1 DECREASING CONCENTRATION OVER TIME1 STABLE CONCENTRATION OVER TIME1 UNKNOWN CONCENTRATION OVER TIME1 <<<<<<<<< <<<<<<<<<<<<<<<&<&<&<&< &<&< &<&< &<&< &<&< &<&< &<&< &<&<&<&< &<&< &<&< &<&< &< &< &<&< &<&< &<&< &<&< &< &<&< &<&< &<&<&< &<&< &<&< &< &< &< &< &< &< &< &<&< &<&<&< &< &<&<&< &<&<&< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &<&<&< &< &<&< &< &< &< &<&< &<&< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< !( !( !( !( !( !( !( !( !( !(!( !( !( !( !( BELEWS RESERVOIR ASH BASIN PINE HALLROAD LANDFILL STRUCTURALFILL GEORGIA RDMARTIN LUTHER KING JR RDOLD PLANTATION RD M I D D L E T O N L O O P P IN E H A L L R D AB-1S0.061 AB-3D0.013 AB-3S0.17 AB-4S0.024 AB-6SND AB-7DND AB-9DNDAB-9S0.081 BG-2DND BG-2S0.075 j,B BG-3D0.058 j GWA-2S0.25 GWA-5S0.063 j GWA-6DND GWA-6S1.5 GWA-7DND GWA-7SA3.1 GWA-9D0.047 j GWA-12BR0.02 j GWA-12S0.02 j GWA-16S0.12 B GWA-17D0.015 j MW-1ND MW-1DND MW-30.16 MW-4ND MW-5ND MW-104D0.016 j,B MW-104S0.12 MW-200DND MW-200SND MW-201DND MW-202BR0.023 j MW-202DND MW-202SND MW-203BR0.012 j MW-203DND MW-203SND MW-204DND MW-204SND MW2-9ND OB-4ND AB-2D0.65 AB-4BR0.14 j AB-6SL0.017 j AB-8S0.18 B AB-9BRND GWA-23S0.18 GWA-32D0.02 j MW-103S0.041 j GWA-24BRND GWA-24D0.12 GWA-31S0.29 GWA-32S0.082 j GWA-9S0.37 GWA-3S0.026 j S-60.036 j S-3NS S-7NS S-8NS S-9NS S-11NS AB-4D0.017 GWA-1S6.2 GWA-2D0.067 j GWA-3D0.047 j GWA-4D0.023 j GWA-5DND GWA-8S1.2 GWA-10S1.7 GWA-11D0.14 GWA-11S11.5 GWA-17S0.037 j MW-103D6.1 MW-200BR0.2 GWA-21S9.9 GWA-31D0.15 GWA-20D1.5 GWA-20SA5.5 GWA-21D5.9 GWA-30S0.61 S-2NS S-4NS S-5NS S-10NS AB-1D0.65 AB-5D0.01 AB-5S0.093 AB-6D0.018 AB-7S0.59 AB-8D0.044 AB-8SL0.079 BG-1D0.049 j BG-3S0.23 GWA-1D0.035 j GWA-8D0.042 j GWA-12D0.036 j MW-6ND MW2-72.27 j OB-91.55 j GWA-19SA8.2 MW-20.35 j MW-201BRND GWA-18DND GWA-23D0.11 S-1NS BG-2BRA0.087 j GWA-10DA0.033 j GWA-16DA0.023 j OB-1NS GWA-30D0.03 j GWA-9BR0.025 j GWA-18S0.066 j GWA-18SA0.56 GWA-19S7 GWA-22S0.03 j GWA-26D0.078 j GWA-26S0.12 GWA-27D1.6 GWA-27S1.3 GWA-20BRNS MW-101DNS MW2-1NS MW2-3NS MW2-4NS MW2-5NS MW-7NS MW2-2NS SFMW-1DNS SFMW-2DNS SFMW-3DNS SFMW-4DNS SFMW-5DNS S-12NS S-13NS S-15NS S-16NS NOTES:BERYLLIUM CONCENTRATION IS MEASURED IN μg/L AND THE IMAC STANDARD IS 4μg/L. ND = NON-DETECT NS = NOT SAMPLED CONCENTRATIONS REPORTED ARE FROM APRIL - MAY 2017 SAMPLING EVENT. THE DETERMINATION OF CONCENTRATION TRENDS OVER TIME ARE GENERALIZEDBASED ON AVAILABLE DATA AND WERE NOT STATISTICALLY DETERMINED. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON AUGUST 2, 2017.AERIAL WAS COLLECTED ON APRIL 8, 2017. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83/2011). FIGURE 14-80GROUNDWATER CONCENTRATIONTREND ANALYSIS -BERYLLIUM IN ALL FLOW LAYERS AND AOWSBELEWS CREEK STEAM STATIONDUKE ENERGY CAROLINAS, LLCBELEWS CREEK, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: S. SPINNERCHECKED BY: A. ALBERT DATE: 10/25/2017 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Belews Creek Steam Station\MapDocs\CSA_Supplement_2\Belews - Groundwater Concentration Trend Analysis.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET &<DOWNGRADIENT MONITORING WELL &<BACKGROUND MONITORING WELL &<ABANDONED MONITORING WELL WATER SUPPLY WELL !(AOW SAMPLE LOCATION <STREAM (AMEC NRTR 2015) DESIGNATED EFFLUENT CHANNEL ASH BASIN WASTE BOUNDARY ASH BASIN COMPLIANCE BOUNDARY LANDFILL BOUNDARY STRUCTURAL FILL BOUNDARY LANDFILL COMPLIANCE BOUNDARY DUKE ENERGY CAROLINAS BELEWS CREEK PLANTSITE BOUNDARY LEGEND INCREASING CONCENTRATION OVER TIME1 DECREASING CONCENTRATION OVER TIME1 STABLE CONCENTRATION OVER TIME1 UNKNOWN CONCENTRATION OVER TIME1 <<<<<<<<< <<<<<<<<<<<<<<<&<&<&<&< &<&< &<&< &<&< &<&< &<&< &<&< &<&<&<&< &<&< &<&< &<&< &< &< &<&< &<&< &<&< &<&< &< &<&< &<&< &<&<&< &<&< &<&< &< &< &< &< &< &< &< &< &<&< &<&<&< &< &< &<&<&< &< &<&<&< &< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &<&<&< &< &<&< &< &< &< &<&< &<&< &<&< &< &< &< &< &< &< &< &< &< &< &< &< !( !( !( !( !( !( !( !( !( !(!( !( !( !( !( BELEWS RESERVOIR ASH BASIN PINE HALLROAD LANDFILL STRUCTURALFILL GEORGIA RDMARTIN LUTHER KING JR RDOLD PLANTATION RD M I D D L E T O N L O O P P IN E H A L L R D AB-5D37 AB-6DND AB-7DND AB-8D26.8 AB-9SND BG-1D45.6 j BG-2DND BG-2SND BG-3DND BG-3SND GWA-1DND GWA-2DND GWA-2SND GWA-3DND GWA-4DND GWA-5DND GWA-5SND GWA-6DND GWA-6S25.3 j GWA-7DND GWA-8DND GWA-9DND GWA-12BRND GWA-12DND GWA-12SND GWA-16SND GWA-17D39.1 j GWA-17S25.9 j MW-19.53 j MW-3ND MW-54.09 j MW-64.4 j MW-104DND MW-104SND MW-201DND MW-202BRND MW-202DND MW-202SND MW-203BRND MW-203DND MW-203SND MW-204DND MW-204SND AB-2D11300 AB-4BR28.6 j AB-9BRND GWA-31DND GWA-32D44.4 j MW-28.16 j MW-201BRND GWA-18DND GWA-24BRND GWA-24DND GWA-30SND GWA-31SND GWA-32SND GWA-9SND GWA-3SND S-1ND S-3ND S-4ND S-5ND S-7ND S-874 S-91180 S-106780 S-119140 S-15ND AB-7S20800 AB-8SL10700 GWA-1S729 GWA-8S482 GWA-10S97.2 GWA-11D147 GWA-11S852 MW-4718 MW-101DNS MW-103D1570 MW-200BR106 MW-200S95 MW2-722700 OB-926700 AB-8S234 GWA-19SA2110 GWA-21S184 GWA-23S2270 MW-103S1320 GWA-20D9890 GWA-20SA11200 GWA-21D264 GWA-23D7150 M1 S-2237 S-62510AB-1D9330 AB-1S8570 AB-3D1710 AB-3S11200 AB-4D88.6 AB-4S7960 AB-5S937 AB-6S69.2 AB-9D62.5 GWA-7SA64 MW-1D9.52 j MW-200D162 MW2-9325 OB-414800 AB-6SL628 S-12ND BG-2BRAND GWA-10DAND GWA-16DAND MW2-1NS MW2-3NS MW2-4NS MW2-5NS OB-1NS GWA-30DND MW-75251 GWA-9BR211 GWA-18S28 j GWA-18SA112 GWA-19S1320 GWA-22SND GWA-26D30.7 j GWA-26SND GWA-27D5420 GWA-27S155 GWA-20BRNS MW2-2NS SFMW-1DNS SFMW-2DNS SFMW-3DNS SFMW-4DNS SFMW-5DNS S-13ND S-16ND NOTES:BORON CONCENTRATION IS MEASURED IN μg/L AND THE NCAC 02L STANDARD IS 700μg/L. ND = NON-DETECT NS = NOT SAMPLED CONCENTRATIONS REPORTED ARE FROM APRIL - MAY 2017 SAMPLING EVENT. THE DETERMINATION OF CONCENTRATION TRENDS OVER TIME ARE GENERALIZEDBASED ON AVAILABLE DATA AND WERE NOT STATISTICALLY DETERMINED. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON AUGUST 2, 2017.AERIAL WAS COLLECTED ON APRIL 8, 2017. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83/2011). FIGURE 14-81GROUNDWATER CONCENTRATIONTREND ANALYSIS -BORON IN ALL FLOW LAYERS AND AOWSBELEWS CREEK STEAM STATIONDUKE ENERGY CAROLINAS, LLCBELEWS CREEK, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: S. SPINNERCHECKED BY: A. ALBERT DATE: 10/25/2017 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Belews Creek Steam Station\MapDocs\CSA_Supplement_2\Belews - Groundwater Concentration Trend Analysis.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET &<DOWNGRADIENT MONITORING WELL &<BACKGROUND MONITORING WELL &<ABANDONED MONITORING WELL WATER SUPPLY WELL !(AOW SAMPLE LOCATION <STREAM (AMEC NRTR 2015) DESIGNATED EFFLUENT CHANNEL ASH BASIN WASTE BOUNDARY ASH BASIN COMPLIANCE BOUNDARY LANDFILL BOUNDARY STRUCTURAL FILL BOUNDARY LANDFILL COMPLIANCE BOUNDARY DUKE ENERGY CAROLINAS BELEWS CREEK PLANTSITE BOUNDARY LEGEND INCREASING CONCENTRATION OVER TIME1 DECREASING CONCENTRATION OVER TIME1 STABLE CONCENTRATION OVER TIME1 UNKNOWN CONCENTRATION OVER TIME1 <<<<<<<<< <<<<<<<<<<<<<<<&<&<&<&< &<&< &<&< &<&< &<&< &<&< &<&< &<&<&<&< &<&< &<&< &<&< &< &< &<&< &<&< &<&< &<&< &< &<&< &<&< &<&<&< &<&< &<&< &< &< &< &< &< &< &< &< &<&< &<&<&< &< &< &<&<&< &< &<&<&< &< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &<&<&< &< &<&< &< &< &< &<&< &<&< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< !( !( !( !( !( !( !( !( !( !(!( !( !( !( !( BELEWS RESERVOIR ASH BASIN PINE HALLROAD LANDFILL STRUCTURALFILL GEORGIA RDMARTIN LUTHER KING JR RDOLD PLANTATION RD MIDDLETON LOOPP IN E H A L L R D AB-1D0.16 AB-1SND AB-3DND AB-3S0.051 AB-4DND AB-4SND AB-5DNDAB-5SND AB-6DND AB-6SND AB-7DND AB-8DND AB-8SLND AB-9D0.069 AB-9SND BG-1DND BG-2DND BG-2S0.068 j BG-3DND BG-3SND GWA-1DND GWA-2DND GWA-2SND GWA-3DND GWA-4DND GWA-5DND GWA-5SND GWA-6DND GWA-6S0.52 GWA-7DND GWA-8DND GWA-11DND GWA-12BRND GWA-12DND GWA-17DND MW-1ND MW-1DND MW-3ND MW-4ND MW-5ND MW-6ND MW-101DNS MW-103D3.3 MW-104DND MW-104SND MW-200BRNDMW-200DND MW-200SND MW-201DND MW-202BRND MW-202DND MW-202SND MW-203BRND MW-203DND MW-203SND MW-204DND MW-204SND MW2-9ND AB-4BRND AB-6SLND AB-9BRND GWA-23S0.17 GWA-31DND GWA-32DND MW-2ND MW-103SND MW-201BRND GWA-9BR0.34 GWA-18DND GWA-24BRND GWA-30SND GWA-31SND GWA-32SND GWA-3SND S-1ND S-3ND S-4ND S-5ND S-6ND S-7ND S-8ND S-9ND S-101.08S-11ND S-12ND S-15ND AB-7S1.2 GWA-1S0.29 GWA-9DND GWA-10S0.25 GWA-11S0.84 GWA-12S0.077 j GWA-16SND GWA-17S0.12 MW2-70.871 j AB-8S1.8 GWA-21S0.61 GWA-20D2 GWA-21D0.87 GWA-9S0.073 j S-2ND GWA-7SA0.09 B GWA-8S0.15 OB-40.983 j OB-92.4 AB-2D0.21GWA-19SA0.55 GWA-20SA1.4 GWA-23D0.54 GWA-24D0.052 j BG-2BRAND GWA-10DAND GWA-16DAND MW2-1NS MW2-3NS MW2-4NS MW2-5NS OB-1NS GWA-30DND GWA-18SND GWA-18SA0.19 GWA-19S0.46 GWA-22SND GWA-26D0.24 GWA-26S0.057 j GWA-27D1.6 GWA-27S0.12 GWA-20BRNS MW-75251 MW2-2NS SFMW-1DNS SFMW-2DNS SFMW-3DNS SFMW-4DNS SFMW-5DNS S-13ND S-16ND NOTES:CADMIUM CONCENTRATION IS MEASURED IN μg/L AND THE NCAC 02L STANDARD IS 2μg/L. ND = NON-DETECT NS = NOT SAMPLED CONCENTRATIONS REPORTED ARE FROM APRIL - MAY 2017 SAMPLING EVENT. THE DETERMINATION OF CONCENTRATION TRENDS OVER TIME ARE GENERALIZEDBASED ON AVAILABLE DATA AND WERE NOT STATISTICALLY DETERMINED. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON AUGUST 2, 2017.AERIAL WAS COLLECTED ON APRIL 8, 2017. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83/2011). FIGURE 14-82GROUNDWATER CONCENTRATIONTREND ANALYSIS -CADMIUM IN ALL FLOW LAYERS AND AOWSBELEWS CREEK STEAM STATIONDUKE ENERGY CAROLINAS, LLCBELEWS CREEK, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: S. SPINNERCHECKED BY: A. ALBERT DATE: 10/25/2017 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Belews Creek Steam Station\MapDocs\CSA_Supplement_2\Belews - Groundwater Concentration Trend Analysis.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET &<DOWNGRADIENT MONITORING WELL &<BACKGROUND MONITORING WELL &<ABANDONED MONITORING WELL WATER SUPPLY WELL !(AOW SAMPLE LOCATION <STREAM (AMEC NRTR 2015) DESIGNATED EFFLUENT CHANNEL ASH BASIN WASTE BOUNDARY ASH BASIN COMPLIANCE BOUNDARY LANDFILL BOUNDARY STRUCTURAL FILL BOUNDARY LANDFILL COMPLIANCE BOUNDARY DUKE ENERGY CAROLINAS BELEWS CREEK PLANTSITE BOUNDARY LEGEND INCREASING CONCENTRATION OVER TIME1 DECREASING CONCENTRATION OVER TIME1 STABLE CONCENTRATION OVER TIME1 UNKNOWN CONCENTRATION OVER TIME1 <<<<<<<<< <<<<<<<<<<<<<<<&<&<&<&< &<&< &<&< &<&< &<&< &<&< &<&< &<&<&<&< &<&< &<&< &<&< &< &< &<&< &<&< &<&< &<&< &< &<&< &<&< &<&<&< &<&< &<&< &< &< &< &< &< &< &< &< &<&< &<&<&< &< &< &<&<&< &< &<&<&< &< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &<&<&< &< &<&< &< &< &< &<&< &<&< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< !( !( !( !( !( !( !( !( !( !(!( !( !( !( !( BELEWS RESERVOIR ASH BASIN PINE HALLROAD LANDFILL STRUCTURALFILL GEORGIA RDMARTIN LUTHER KING JR RDOLD PLANTATION RD MIDDLETON LOOPP IN E H A L L R D AB-1D477 AB-6D1.2 AB-7D4.1 AB-9S5.7 BG-3D5 GWA-1D52.1 GWA-5S2.1 GWA-8D5.3 GWA-8S3.9 GWA-16S0.67 j MW-1D7.96 MW-38.9 MW-104D1.2 MW-202BR2.4 MW-202D2.8 MW-202S1.7 MW-203S1.8 MW-204D2.2 MW2-714.1 OB-911.4 AB-2D475 AB-6SL7.4 MW-201BR4.8 GWA-18D11 GWA-30S4.5 S-53 S-74.1 S-814 S-99.6 S-10320 S-11370 S-129.2 S-1514 AB-1S478 AB-5D0.8 AB-7S884 AB-8D12.7 AB-8SL6.5 AB-9D6.2 BG-2S14 BG-3S2.4 GWA-1S88.6 GWA-6D3.6 GWA-7D21.9 GWA-9D30.7 GWA-10S73.1 M1 GWA-11D235 GWA-11S231 GWA-12BR2.3 GWA-17D0.93 j MW-12.18 MW-52.04 MW-101DNS MW-103D292 MW-200BR49.5 MW-200S33 MW-201D4.4 MW-203D2.9 MW-204S2.9 GWA-23S7.9 GWA-32D87.8 MW-103S248 GWA-20D478 GWA-20SA489 GWA-21D217 GWA-24D43.9 GWA-32S42.6 GWA-9S2.7 S-13 S-266 S-35.5 S-492 S-6109 AB-3D269 AB-3S473 AB-4D3.2 AB-4S304 AB-5S11 AB-6S7.1 BG-1D7.7 BG-2D14 GWA-2D1.5 GWA-2S1.3 GWA-3D9.9 GWA-4D6.5 GWA-5D3.9 GWA-6S7.8 GWA-7SA18.8 GWA-12D1.1 GWA-12S0.77 j GWA-17S1 MW-42.52 MW-68.07 MW-104S0.85 j MW-200D34 MW-203BR6 MW2-93.9 OB-44.73 AB-4BR1.4 AB-8S4.7 AB-9BR4.3 GWA-19SA180 GWA-21S144 GWA-31D1.7 MW-26.87 GWA-23D10.7 GWA-24BR1.5 GWA-31S2.4 GWA-3S7.7 BG-2BRA2.5 GWA-10DA3.8 GWA-16DA0.74 j MW2-1NS MW2-3NS MW2-4NS MW2-5NS OB-1NS GWA-30D3.6 GWA-9BR52.7 GWA-18S21.5GWA-18SA56.6 GWA-19S157 GWA-22S2 GWA-26D9.6 GWA-26S6.4 GWA-27D393 GWA-27S51.9 GWA-20BRNS MW-75251 MW2-2NS SFMW-1DNS SFMW-2DNS SFMW-3DNS SFMW-4DNS SFMW-5DNS S-134.5 S-162 NOTES:CHLORIDE CONCENTRATION IS MEASURED IN mg/L AND THE NCAC 02L STANDARD IS250 mg/L. ND = NON-DETECT NS = NOT SAMPLED CONCENTRATIONS REPORTED ARE FROM APRIL - MAY 2017 SAMPLING EVENT. THE DETERMINATION OF CONCENTRATION TRENDS OVER TIME ARE GENERALIZEDBASED ON AVAILABLE DATA AND WERE NOT STATISTICALLY DETERMINED. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON AUGUST 2, 2017.AERIAL WAS COLLECTED ON APRIL 8, 2017. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83/2011). FIGURE 14-83GROUNDWATER CONCENTRATIONTREND ANALYSIS -CHLORIDE IN ALL FLOW LAYERS AND AOWSBELEWS CREEK STEAM STATIONDUKE ENERGY CAROLINAS, LLCBELEWS CREEK, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: S. SPINNERCHECKED BY: A. ALBERT DATE: 10/25/2017 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Belews Creek Steam Station\MapDocs\CSA_Supplement_2\Belews - Groundwater Concentration Trend Analysis.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET &<DOWNGRADIENT MONITORING WELL &<BACKGROUND MONITORING WELL &<ABANDONED MONITORING WELL WATER SUPPLY WELL !(AOW SAMPLE LOCATION <STREAM (AMEC NRTR 2015) DESIGNATED EFFLUENT CHANNEL ASH BASIN WASTE BOUNDARY ASH BASIN COMPLIANCE BOUNDARY LANDFILL BOUNDARY STRUCTURAL FILL BOUNDARY LANDFILL COMPLIANCE BOUNDARY DUKE ENERGY CAROLINAS BELEWS CREEK PLANTSITE BOUNDARY LEGEND INCREASING CONCENTRATION OVER TIME1 DECREASING CONCENTRATION OVER TIME1 STABLE CONCENTRATION OVER TIME1 UNKNOWN CONCENTRATION OVER TIME1 <<<<<<<<< <<<<<<<<<<<<<<<&<&<&<&< &<&< &<&< &<&< &<&< &<&< &<&< &<&<&<&< &<&< &<&< &<&< &< &< &<&< &<&< &<&< &<&< &< &<&< &<&< &<&<&< &<&< &<&< &< &< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &<&<&< &< &<&< &< &< &< &<&< &<&< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &<&< &< &< &<&< &< &<&< &< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< !( !( !( !( !( !( !( !( !( !(!( !( !( !( !( BELEWS RESERVOIR ASH BASIN PINE HALLROAD LANDFILL STRUCTURALFILL GEORGIA RDMARTIN LUTHER KING JR RDOLD PLANTATION RD MIDDLETON LOOPP IN E H A L L R D AB-3D0.074 AB-8D0.02 AB-9D0.011 AB-9SND BG-2S1.5 GWA-1D0.053 GWA-6S0.31 M1 GWA-7SA0.59 GWA-11S0.48 j,D3 GWA-17DND GWA-17S0.15 MW-103DND MW-200BRND GWA-21S0.045 GWA-31DND GWA-21D0.075 M1 S-7NS S-10NSS-11NS AB-1D0.46 AB-4D0.38 AB-5S0.062 AB-6D0.42 BG-2D0.13GWA-2D0.087 GWA-2S0.96 j,D3 GWA-5D0.19 GWA-5S0.54 GWA-6D0.27 GWA-10SND GWA-11DND GWA-12D0.052 GWA-12S0.099 GWA-16S0.11 MW-104D1.7 MW-203BR0.52 AB-6SLND GWA-19SA0.079 j GWA-23S0.27 MW-103SND GWA-23D8.3 GWA-24D0.23 GWA-30S0.12 GWA-31S0.48 j,D3 GWA-9S0.16 MW-202DNS MW-202SNS S-60.073j,D3 S-3NS S-5NS S-8NS S-9NS AB-1S0.33 AB-3SND AB-4SND AB-5D0.5 AB-6S0.022 AB-7D0.05 AB-7SNDAB-8SLND BG-1D0.12 BG-3D0.073 BG-3S0.5 GWA-1S0.29 GWA-3D0.79 GWA-4D0.66 GWA-7D0.68 GWA-8D0.0092 j GWA-8S0.11 GWA-9D0.11 GWA-12BR0.031 MW-30.68 MW-104S0.64 MW-202BR0.17 AB-2D0.43 j,D3 AB-4BR0.39 AB-8SND AB-9BRND GWA-32DND MW-201BR0.017 j GWA-18D0.17 GWA-20DND GWA-20SA0.064 j,D3 GWA-24BR0.044 GWA-32SND BG-2BRA0.052 GWA-10DA0.11 GWA-16DAND GWA-30D0.33 GWA-9BR0.076 GWA-18SND GWA-18SAND GWA-19S0.041 GWA-22S1.2 GWA-26D0.042 GWA-26S0.52 GWA-27D0.013 j GWA-27S0.019 j GWA-3S0.17 GWA-20BRNS MW-1NS MW-1DNS MW-4NS MW-5NS MW-6NS MW-101DNS MW-200DNS MW-200SNS MW-201DNS MW2-1NS MW2-3NS MW-203DNS MW-203SNS MW2-4NS MW-204DNS MW-204SNS MW2-5NS MW2-7NS MW2-9NS OB-4NS OB-1NS OB-9NS MW-2NS MW-7NS MW2-2NS SFMW-1DNS SFMW-2DNS SFMW-3DNS SFMW-4DNS SFMW-5DNS S-1NS S-2NS S-4NS S-12NS S-13NS S-15NS S-16NS NOTES:CHROMIUM (VI) CONCENTRATION IS MEASURED IN μg/L AND THE NCAC 02LSTANDARD IS NOT ESTABLISHED. THE NCAC 02L STANDARD FOR TOTAL CHROMIUMIS 10 μg/L ND = NON-DETECT NS = NOT SAMPLED CONCENTRATIONS REPORTED ARE FROM APRIL - MAY 2017 SAMPLING EVENT. THE DETERMINATION OF CONCENTRATION TRENDS OVER TIME ARE GENERALIZEDBASED ON AVAILABLE DATA AND WERE NOT STATISTICALLY DETERMINED. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON AUGUST 2, 2017.AERIAL WAS COLLECTED ON APRIL 8, 2017. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANE FIGURE 14-84GROUNDWATER CONCENTRATIONTREND ANALYSIS -CHROMIUM (VI) IN ALL FLOW LAYERS AND AOWSBELEWS CREEK STEAM STATIONDUKE ENERGY CAROLINAS, LLCBELEWS CREEK, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: S. SPINNERCHECKED BY: A. ALBERT DATE: 10/25/2017 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Belews Creek Steam Station\MapDocs\CSA_Supplement_2\Belews - Groundwater Concentration Trend Analysis.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET &<DOWNGRADIENT MONITORING WELL &<BACKGROUND MONITORING WELL &<ABANDONED MONITORING WELL WATER SUPPLY WELL !(AOW SAMPLE LOCATION <STREAM (AMEC NRTR 2015) DESIGNATED EFFLUENT CHANNEL ASH BASIN WASTE BOUNDARY ASH BASIN COMPLIANCE BOUNDARY LANDFILL BOUNDARY STRUCTURAL FILL BOUNDARY LANDFILL COMPLIANCE BOUNDARY DUKE ENERGY CAROLINAS BELEWS CREEK PLANTSITE BOUNDARY LEGEND INCREASING CONCENTRATION OVER TIME1 DECREASING CONCENTRATION OVER TIME1 STABLE CONCENTRATION OVER TIME1 UNKNOWN CONCENTRATION OVER TIME1 <<<<<<<<< <<<<<<<<<<<<<<<&<&<&<&< &<&< &<&< &<&< &<&< &<&< &<&< &<&<&<&< &<&< &<&< &<&< &< &< &<&< &<&< &<&< &<&< &< &<&< &<&< &<&<&< &<&< &<&< &< &< &< &< &< &< &< &< &<&< &<&<&< &< &< &<&<&< &< &<&<&< &< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &<&<&< &< &<&< &< &< &< &<&< &<&< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< !( !( !( !( !( !( !( !( !( !(!( !( !( !( !( BELEWS RESERVOIR ASH BASIN PINE HALLROAD LANDFILL STRUCTURALFILL GEORGIA RDMARTIN LUTHER KING JR RDOLD PLANTATION RD MIDDLETON LOOPP IN E H A L L R D GWA-2D1.6 GWA-5S1.1 B GWA-6D0.52 GWA-7D1.1 GWA-7SA1.1 GWA-8D0.51 B MW-1DND MW-414 MW-6ND MW-101DNS MW-103D0.30 j MW-200DND MW-200SND MW-201DND MW-203DND MW-203SND MW-204DND MW-204SND MW2-7ND OB-4ND OB-9ND GWA-31D0.57 GWA-32D0.75 GWA-20D1.5 GWA-24BR0.72 GWA-30S0.30 j GWA-9S2.6 S-11.82 S-4ND S-5ND S-7ND S-8ND S-9ND S-10NDS-11ND S-12ND S-15ND AB-1D5.4 AB-3S2.2 AB-5S0.44 AB-6D0.62 AB-7S2.6 AB-8D0.76 AB-9S0.36 BG-2S3.4 BG-3D2.2 BG-3S1.4 B GWA-1S289 M1 GWA-9D3.1 GWA-11D13.1 GWA-17D1.4 MW-104D1.9 MW-104S1.9 MW-203BR3.4 MW2-99.07 AB-2D5.1 AB-4BR1.4 AB-8S2.1 AB-9BR1.9 GWA-23S0.89 MW-103S1.5 GWA-23D13.3 GWA-31S1.2 GWA-32S2.3 GWA-3S269 AB-1S7 AB-3D2.6 AB-4D0.46 AB-4S0.23 AB-5D0.69 AB-6S0.42 AB-7D0.42 AB-8SL1.2 AB-9D0.37 BG-1D0.41 j BG-2D0.55 GWA-1D10 GWA-2S2 GWA-3D5.4 GWA-4D0.95 B GWA-5D1.5 B GWA-6S1.5 B GWA-8S0.58 B GWA-10S0.36 j,B GWA-11S14.7 GWA-12BR0.74 B GWA-12D0.45 j,B GWA-12S1.9 B GWA-16S0.36 j,B GWA-17S2.8 MW-1ND MW-31.4 MW-51.58 j MW-200BR0.098 j MW-202BR0.92 B MW-202DND MW-202SND AB-6SL0.89 GWA-19SA0.84 B GWA-21S0.49 j,B MW-21.3 j MW-201BR0.79 GWA-18D0.59 GWA-20SA1.8 GWA-21D1.8 B GWA-24D1.4 S-3ND S-60.27 j,B BG-2BRA34.7 GWA-10DA61.7 M1 GWA-16DA78.1 MW2-1NS MW2-3NS MW2-4NS MW2-5NS OB-1NS GWA-30D0.86 GWA-9BR0.98 GWA-18S1.3 GWA-18SA2.8 GWA-19S4.1 GWA-22S2.1 GWA-26D0.95 GWA-26S0.88 GWA-27DND GWA-27S4.1 GWA-20BRNS MW-7ND MW2-2NS SFMW-1DNS SFMW-2DNS SFMW-3DNS SFMW-4DNS SFMW-5DNS S-2ND S-13ND S-16ND NOTES:CHROMIUM (TOTAL) CONCENTRATION IS MEASURED IN μg/L AND THE NCAC 02LSTANDARD IS 10 μg/L. ND = NON-DETECT NS = NOT SAMPLED CONCENTRATIONS REPORTED ARE FROM APRIL - MAY 2017 SAMPLING EVENT. THE DETERMINATION OF CONCENTRATION TRENDS OVER TIME ARE GENERALIZEDBASED ON AVAILABLE DATA AND WERE NOT STATISTICALLY DETERMINED. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON AUGUST 2, 2017.AERIAL WAS COLLECTED ON APRIL 8, 2017. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83/2011). FIGURE 14-85GROUNDWATER CONCENTRATIONTREND ANALYSIS -CHROMIUM (TOTAL) IN ALL FLOW LAYERS AND AOWSBELEWS CREEK STEAM STATIONDUKE ENERGY CAROLINAS, LLCBELEWS CREEK, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: S. SPINNERCHECKED BY: A. ALBERT DATE: 10/25/2017 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Belews Creek Steam Station\MapDocs\CSA_Supplement_2\Belews - Groundwater Concentration Trend Analysis.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET &<DOWNGRADIENT MONITORING WELL &<BACKGROUND MONITORING WELL &<ABANDONED MONITORING WELL WATER SUPPLY WELL !(AOW SAMPLE LOCATION <STREAM (AMEC NRTR 2015) DESIGNATED EFFLUENT CHANNEL ASH BASIN WASTE BOUNDARY ASH BASIN COMPLIANCE BOUNDARY LANDFILL BOUNDARY STRUCTURAL FILL BOUNDARY LANDFILL COMPLIANCE BOUNDARY DUKE ENERGY CAROLINAS BELEWS CREEK PLANTSITE BOUNDARY LEGEND INCREASING CONCENTRATION OVER TIME1 DECREASING CONCENTRATION OVER TIME1 STABLE CONCENTRATION OVER TIME1 UNKNOWN CONCENTRATION OVER TIME1 <<<<<<<<< <<<<<<<<<<<<<<<&<&<&<&< &<&< &<&< &<&< &<&< &<&< &<&< &<&<&<&< &<&< &<&< &<&< &< &< &<&< &<&< &<&< &<&< &< &<&< &<&< &<&<&< &<&< &<&< &< &< &< &< &< &< &< &<&< &<&<&< &< &<&<&< &<&<&< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &<&<&< &< &<&< &< &< &< &<&< &<&< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< !( !( !( !( !( !( !( !( !( !(!( !( !( !( !( BELEWS RESERVOIR ASH BASIN PINE HALLROAD LANDFILL STRUCTURALFILL GEORGIA RDMARTIN LUTHER KING JR RDOLD PLANTATION RD MIDDLETON LOOPP IN E H A L L R D AB-1D34.8 AB-1S32.3 AB-3D2.2 AB-3S11.4 AB-4D0.2 AB-5D0.054 AB-6D0.084 BG-2S0.18 BG-3D0.063 j GWA-3D0.16 GWA-5S0.23 GWA-8D0.12 GWA-11S11.5 GWA-12BR0.082 j MW-11.07 MW-1DND MW-30.11 MW-103D85.6 MW-104D0.14 MW-200BR0.045 j MW-200DND MW-201DND MW-202DND MW-202SND MW-203DND MW-203SND OB-41.07 AB-4BR0.034 j AB-6SLND GWA-19SA50.1 S-61.4 S-4NS S-8NS S-9NS S-10NS S-11NS BG-2D0.024 jGWA-1D5 GWA-4D0.87GWA-10S54 GWA-11D2.8 GWA-17D0.19 GWA-17S14 MW-40.295 j MW-60.23 j MW-204D9.01 MW-204S14.7 AB-8S15.8 GWA-31D0.044 j GWA-30S0.91 GWA-32S60.9 GWA-3S2.5 S-2NS AB-4S0.1 AB-5S0.06 AB-6S0.37 AB-7D0.11 AB-7S28.5 AB-8D0.45 AB-8SL0.63 AB-9D0.33AB-9S13.6 BG-1D0.2 BG-3S0.3 GWA-1S7.2 GWA-2D0.35 GWA-2S0.44 GWA-5D0.26 GWA-6D0.42 GWA-6S0.78 GWA-7D0.072 j GWA-7SA12.6 GWA-8S0.21 GWA-9D1.6 GWA-12D0.17 GWA-12S0.099 j GWA-16S2 MW-5ND MW-104S0.081 j,B MW-200S2.99 MW-202BR0.064 j MW-203BR0.1 MW2-70.41 j MW2-90.822 jOB-90.445 j AB-2D84 AB-9BR0.44 GWA-21S20.6 GWA-23S5.4 GWA-32D0.019 j MW-20.17 j MW-103S51 MW-201BR0.02 j GWA-18D0.44 GWA-20D3.4 GWA-20SA20 GWA-21D1.5 GWA-23D37.3 GWA-24BR0.061 jGWA-24D0.066 j GWA-31S0.26 GWA-9S0.71 S-1NS S-3NS S-5NS S-7NS BG-2BRA0.76 GWA-10DA1 GWA-16DA1.2 OB-1NS GWA-30D0.21 MW-7ND GWA-9BR0.38 GWA-18S20.6GWA-18SA39.4 GWA-19S40 GWA-22S0.97 GWA-26D0.34 GWA-26S0.2 GWA-27D15.4 GWA-27S65.2 GWA-20BRNS MW-101DNS MW2-1NS MW2-3NS MW2-4NS MW2-5NS MW2-2NS SFMW-1DNS SFMW-2DNS SFMW-3DNS SFMW-4DNS SFMW-5DNS S-12NS S-13NS S-15NS S-16NS NOTES:COBALT CONCENTRATION IS MEASURED IN μg/L AND THE IMAC STANDARD IS 1 μg/L. ND = NON-DETECT NS = NOT SAMPLED CONCENTRATIONS REPORTED ARE FROM APRIL - MAY 2017 SAMPLING EVENT. THE DETERMINATION OF CONCENTRATION TRENDS OVER TIME ARE GENERALIZEDBASED ON AVAILABLE DATA AND WERE NOT STATISTICALLY DETERMINED. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON AUGUST 2, 2017.AERIAL WAS COLLECTED ON APRIL 8, 2017. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83/2011). FIGURE 14-86GROUNDWATER CONCENTRATIONTREND ANALYSIS -COBALT IN ALL FLOW LAYERS AND AOWSBELEWS CREEK STEAM STATIONDUKE ENERGY CAROLINAS, LLCBELEWS CREEK, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: S. SPINNERCHECKED BY: A. ALBERT DATE: 10/25/2017 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Belews Creek Steam Station\MapDocs\CSA_Supplement_2\Belews - Groundwater Concentration Trend Analysis.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET &<DOWNGRADIENT MONITORING WELL &<BACKGROUND MONITORING WELL &<ABANDONED MONITORING WELL WATER SUPPLY WELL !(AOW SAMPLE LOCATION <STREAM (AMEC NRTR 2015) DESIGNATED EFFLUENT CHANNEL ASH BASIN WASTE BOUNDARY ASH BASIN COMPLIANCE BOUNDARY LANDFILL BOUNDARY STRUCTURAL FILL BOUNDARY LANDFILL COMPLIANCE BOUNDARY DUKE ENERGY CAROLINAS BELEWS CREEK PLANTSITE BOUNDARY LEGEND INCREASING CONCENTRATION OVER TIME1 DECREASING CONCENTRATION OVER TIME1 STABLE CONCENTRATION OVER TIME1 UNKNOWN CONCENTRATION OVER TIME1 <<<<<<<<< <<<<<<<<<<<<<<<&<&<&<&< &<&< &<&< &<&< &<&< &<&< &<&< &<&<&<&< &<&< &<&< &<&< &< &< &<&< &<&< &<&< &<&< &< &<&< &<&< &<&<&< &<&< &<&< &< &< &< &< &< &< &< &< &<&< &<&<&< &< &< &<&<&< &< &<&<&< &< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &<&<&< &< &<&< &< &< &< &<&< &<&< &<&< &< &< &< &< &< &< &< &< &< &< &< &< !( !( !( !( !( !( !( !( !( !(!( !( !( !( !( BELEWS RESERVOIR ASH BASIN PINE HALLROAD LANDFILL STRUCTURALFILL GEORGIA RDMARTIN LUTHER KING JR RDOLD PLANTATION RD MIDDLETON LOOPP IN E H A L L R D AB-4DND AB-5DND AB-6DND BG-1D226 BG-2D52.2 BG-3D99.4 GWA-1D246 GWA-1S1230 GWA-4DND GWA-7D35.6 j GWA-12BR190 MW-3105 MW-200BR217 MW-202BR27.2 j MW-203BR75.8 MW-203D166 MW-203SND AB-9BR368 GWA-21SND GWA-31D814 GWA-21DND GWA-30S28.9 jS-31080 S-5567 S-6557 S-75410 S-830 S-10648 AB-1D251 AB-3S1090 AB-6S225 AB-9S0.292 BG-2S467 BG-3S666 GWA-2S621 GWA-3D179 GWA-6S467 GWA-8D861 GWA-9D161 GWA-11D3270 GWA-11S348 GWA-17D2100 MW-1415 MW-4564 MW-103D977 MW-104D264 MW-104S151 AB-8S1260 MW-103S88300 MW-201BR76.8 GWA-24BR199 GWA-9S374 GWA-3S1240 S-9511 S-123760AB-1S211 AB-3D678 AB-4S12200 AB-5S400 AB-7D121 AB-7S10300 AB-8DND AB-8SL34800 AB-9D39.4 GWA-2D39.5 j GWA-5D72 GWA-5S292 GWA-6D752 GWA-7SA287 GWA-8S132 GWA-10S91.7 GWA-12D140 GWA-12S50.8 GWA-16SND GWA-17S579 MW-1D1.91 j MW-5354 MW-649.5 MW-101DNS MW-200D28 MW-200S211 MW-201D175 MW-202D434 MW-202S279 MW-204D83 MW-204S3680 MW2-736 MW2-91630 OB-428.2 OB-9ND AB-2D1280 AB-4BR39 j AB-6SL4850 GWA-19SA420 GWA-23S399 GWA-32D2070 MW-2311 GWA-18D38.6 j GWA-20D64.6 GWA-20SA435 GWA-23D306 GWA-24D30.7 j GWA-31S562 GWA-32S38400 S-11369 S-15490 BG-2BRA228 GWA-10DA437 GWA-16DA2100 MW2-1NS MW2-3NS MW2-4NS MW2-5NS OB-1NS GWA-30DND MW-7265 GWA-9BR68 GWA-18S1400 GWA-18SA218 GWA-19S225 GWA-22S129 GWA-26D165 GWA-26S105 GWA-27D214 GWA-27S550 GWA-20BRNS MW2-2NS SFMW-1DNS SFMW-2DNS SFMW-3DNS SFMW-4DNS SFMW-5DNS S-12050 S-2248 S-4145 S-1318600 S-161440 NOTES:IRON CONCENTRATION IS MEASURED IN μg/L AND THE NCAC 02L STANDARD IS 300μg/L. ND = NON-DETECT NS = NOT SAMPLED CONCENTRATIONS REPORTED ARE FROM APRIL - MAY 2017 SAMPLING EVENT. THE DETERMINATION OF CONCENTRATION TRENDS OVER TIME ARE GENERALIZEDBASED ON AVAILABLE DATA AND WERE NOT STATISTICALLY DETERMINED. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON AUGUST 2, 2017.AERIAL WAS COLLECTED ON APRIL 8, 2017. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83/2011). FIGURE 14-87GROUNDWATER CONCENTRATIONTREND ANALYSIS -IRON IN ALL FLOW LAYERS AND AOWSBELEWS CREEK STEAM STATIONDUKE ENERGY CAROLINAS, LLCBELEWS CREEK, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: S. SPINNERCHECKED BY: A. ALBERT DATE: 10/25/2017 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Belews Creek Steam Station\MapDocs\CSA_Supplement_2\Belews - Groundwater Concentration Trend Analysis.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET &<DOWNGRADIENT MONITORING WELL &<BACKGROUND MONITORING WELL &<ABANDONED MONITORING WELL WATER SUPPLY WELL !(AOW SAMPLE LOCATION <STREAM (AMEC NRTR 2015) DESIGNATED EFFLUENT CHANNEL ASH BASIN WASTE BOUNDARY ASH BASIN COMPLIANCE BOUNDARY LANDFILL BOUNDARY STRUCTURAL FILL BOUNDARY LANDFILL COMPLIANCE BOUNDARY DUKE ENERGY CAROLINAS BELEWS CREEK PLANTSITE BOUNDARY LEGEND INCREASING CONCENTRATION OVER TIME1 DECREASING CONCENTRATION OVER TIME1 STABLE CONCENTRATION OVER TIME1 UNKNOWN CONCENTRATION OVER TIME1 <<<<<<<<< <<<<<<<<<<<<<<<&<&<&<&< &<&< &<&< &<&< &<&< &<&< &<&< &<&<&<&< &<&< &<&< &<&< &< &< &<&< &<&< &<&< &<&< &< &<&< &<&< &<&<&< &<&< &<&< &< &< &< &< &< &< &< &< &<&< &<&<&< &< &< &<&<&< &< &<&<&< &< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &<&<&< &< &<&< &< &< &< &<&< &<&< &<&< &< &< &< &< &< &< &< &< &< &< &< &< !( !( !( !( !( !( !( !( !( !(!( !( !( !( !( BELEWS RESERVOIR ASH BASIN PINE HALLROAD LANDFILL STRUCTURALFILL GEORGIA RDMARTIN LUTHER KING JR RDOLD PLANTATION RD MIDDLETON LOOPP IN E H A L L R D AB-1D2080 AB-1S2150 AB-5D3.7 AB-6S3.3 BG-2D2.7 j BG-2S11.8 GWA-4D12.8 GWA-7SA246 GWA-8D53 GWA-9D17.2 GWA-11D176 GWA-17S207 MW-34.3 j MW-61.91 j MW-103D8140 MW-104D22.5 MW-104S7.2 MW-200BR126 MW-202D5 MW-202SND MW-203D5 MW-203S5 MW2-7435 MW-213.7 GWA-18D44.2 GWA-21D53 GWA-24BR10.1 GWA-9S19.6 S-2166 S-4103 S-6471 S-810 S-9221 S-104150 AB-3D172 AB-3S4230 AB-4D294 GWA-6D393 GWA-10S1370 GWA-12BR56.6 GWA-17D56.4 MW-131.7 MW-49.16MW-510 MW-101DNS AB-4BR11.8 AB-8S84.6 GWA-19SA2120 GWA-32D354 MW-201BR38.3GWA-20D2290 GWA-32S11100 S-12508 AB-4S1440 AB-5S62.7 AB-6D0.007 AB-7D26 AB-7S2040 AB-8D39.9 AB-8SL848 AB-9D84AB-9S495 BG-1D13.2 BG-3D3.8 j BG-3S18.5 GWA-1D23.9 GWA-1S187 GWA-2D34.9 GWA-2S18.3 GWA-3D7.8 GWA-5D259 GWA-5S84.9 GWA-6S318 GWA-7D2700 j GWA-8S91.5 GWA-11S173 GWA-12D27.4 GWA-12S19.1 GWA-16S61.8 MW-1D1.73 j MW-200D11 MW-200S261 MW-201D5 MW-202BR4.6 j MW-203BR3.9 j MW-204D55 MW-204S510 MW2-9162 OB-481.7 OB-91840 AB-2D11600 AB-6SL267 AB-9BR415 GWA-21S236 GWA-23S131 GWA-31D40.8 MW-103S8480 GWA-20SA5640 GWA-23D149 GWA-24D10.5 GWA-30S29.8 GWA-31S13.2 GWA-3S119 S-136 S-327 S-520 S-7258 S-117910 S-1584 BG-2BRA87.1 GWA-10DA29.2 GWA-16DA52.4 MW2-1NS MW2-3NS MW2-4NS MW2-5NS OB-1NS GWA-30D86.6 MW-759.2 GWA-9BR375 GWA-18S2550 GWA-18SA2410 GWA-19S1240 GWA-22S137 GWA-26D124 GWA-26S60.4 GWA-27D2080 GWA-27S2370 GWA-20BRNS MW2-2NS SFMW-1DNS SFMW-2DNS SFMW-3DNS SFMW-4DNS SFMW-5DNS S-13969 S-1633 NOTES:MANGANESE CONCENTRATION IS MEASURED IN μg/L AND THE NCAC 02L STANDARDIS 50 μg/L. ND = NON-DETECT NS = NOT SAMPLED CONCENTRATIONS REPORTED ARE FROM APRIL - MAY 2017 SAMPLING EVENT. THE DETERMINATION OF CONCENTRATION TRENDS OVER TIME ARE GENERALIZEDBASED ON AVAILABLE DATA AND WERE NOT STATISTICALLY DETERMINED. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON AUGUST 2, 2017.AERIAL WAS COLLECTED ON APRIL 8, 2017. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83/2011). FIGURE 14-88GROUNDWATER CONCENTRATIONTREND ANALYSIS -MANGANESE IN ALL FLOW LAYERS AND AOWSBELEWS CREEK STEAM STATIONDUKE ENERGY CAROLINAS, LLCBELEWS CREEK, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: S. SPINNERCHECKED BY: A. ALBERT DATE: 10/25/2017 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Belews Creek Steam Station\MapDocs\CSA_Supplement_2\Belews - Groundwater Concentration Trend Analysis.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET &<DOWNGRADIENT MONITORING WELL &<BACKGROUND MONITORING WELL &<ABANDONED MONITORING WELL WATER SUPPLY WELL !(AOW SAMPLE LOCATION <STREAM (AMEC NRTR 2015) DESIGNATED EFFLUENT CHANNEL ASH BASIN WASTE BOUNDARY ASH BASIN COMPLIANCE BOUNDARY LANDFILL BOUNDARY STRUCTURAL FILL BOUNDARY LANDFILL COMPLIANCE BOUNDARY DUKE ENERGY CAROLINAS BELEWS CREEK PLANTSITE BOUNDARY LEGEND INCREASING CONCENTRATION OVER TIME1 DECREASING CONCENTRATION OVER TIME1 STABLE CONCENTRATION OVER TIME1 UNKNOWN CONCENTRATION OVER TIME1 <<<<<<<<< <<<<<<<<<<<<<<<&<&<&<&< &<&< &<&< &<&< &<&< &<&< &<&< &<&<&<&< &<&< &<&< &<&< &< &< &<&< &<&< &<&< &<&< &< &<&< &<&< &<&<&< &<&< &<&< &< &< &<&< &<&<&< &< &<&<&< &<&<&< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &<&<&< &< &<&< &< &< &< &<&< &<&< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< !( !( !( !( !( !( !( !( !( !(!( !( !( !( !( BELEWS RESERVOIR ASH BASIN PINE HALLROAD LANDFILL STRUCTURALFILL GEORGIA RDMARTIN LUTHER KING JR RDOLD PLANTATION RD MIDDLETON LOOPP IN E H A L L R D AB-1D0.47 AB-3D6.8 AB-5S26.6 AB-6D1.2 AB-9SND BG-1D0.29 j BG-2D0.57 BG-2S0.18 j,B BG-3DND BG-3SND GWA-1D1.6 GWA-2SND GWA-3DND GWA-5SND GWA-6S0.15 j GWA-7SAND GWA-8SND GWA-10SND GWA-16SND MW-3ND MW-103DND MW-104SND MW-200DND MW-200SND MW-201DND MW-202DND MW-202SND MW-203BR2.3 MW-203SND MW-204DND MW-204SND GWA-19SAND GWA-21SND GWA-31D0.33 j MW-103S0.23 j MW-201BR12.5 GWA-20D0.39 j GWA-20SA0.24 j GWA-21DND GWA-24D0.20 j GWA-30SND GWA-31SND GWA-9S0.12 j S-2ND S-3ND S-4ND S-5ND S-61.7 S-7ND S-8ND S-9ND S-10NDS-11ND S-12ND S-15ND AB-3S5.6 AB-5D2.4 AB-7S0.93 GWA-1S6.2 GWA-8D3.6 GWA-9D2.3 GWA-12BR10.5 MW-104D2.5 MW-202BR0.81 GWA-23D19.4 GWA-24BR3.4 GWA-3S6.5 AB-1S0.22 AB-4D0.009 AB-4S16.1 AB-6S3 AB-7D1.9 AB-8D0.26 AB-8SL174 AB-9D2.2 GWA-2D0.64 GWA-4D0.16 j GWA-5D1.3 GWA-6D7.2 GWA-7D1.8 GWA-11D0.58GWA-11S0.28 j GWA-12D0.44 j GWA-12S0.12 j GWA-17D0.30 j GWA-17S0.29 j MW-200BR0.32 j MW-203D1.4 AB-2D0.73 AB-4BR5.9 AB-6SL0.93 AB-8S5.3 AB-9BR2.2 GWA-23S0.58 GWA-32D0.27 j GWA-18D0.9 GWA-32S0.94 S-1ND BG-2BRA1.4 GWA-10DA1.9 GWA-16DA2.4 GWA-30D10.6 GWA-9BR2.6 GWA-18S0.45 jGWA-18SA0.2 j GWA-19SND GWA-22S0.57 GWA-26D1.1 GWA-26SND GWA-27D1.2 j GWA-27S0.15 j GWA-20BRNS MW-1NS MW-4NS MW-5NS MW-6NS MW2-1NS MW2-3NS MW2-4NSMW2-7NS MW2-9NS OB-4NS OB-1NS OB-9NS MW-2NS MW-7NS MW-101DNS MW2-5NS MW2-2NS SFMW-1DNS SFMW-2DNS SFMW-3DNS SFMW-4DNS SFMW-5DNS S-13ND S-16ND NOTES:MOLYBDENUM CONCENTRATION IS MEASURED IN μg/L AND THE NCAC 02L STANDARDIS NOT ESTABLISHED. ND = NON-DETECT NS = NOT SAMPLED CONCENTRATIONS REPORTED ARE FROM APRIL - MAY 2017 SAMPLING EVENT. THE DETERMINATION OF CONCENTRATION TRENDS OVER TIME ARE GENERALIZEDBASED ON AVAILABLE DATA AND WERE NOT STATISTICALLY DETERMINED. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON AUGUST 2, 2017.AERIAL WAS COLLECTED ON APRIL 8, 2017. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83/2011). FIGURE 14-89GROUNDWATER CONCENTRATIONTREND ANALYSIS -MOLYBDENUM IN ALL FLOW LAYERS AND AOWSBELEWS CREEK STEAM STATIONDUKE ENERGY CAROLINAS, LLCBELEWS CREEK, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: S. SPINNERCHECKED BY: A. ALBERT DATE: 10/25/2017 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Belews Creek Steam Station\MapDocs\CSA_Supplement_2\Belews - Groundwater Concentration Trend Analysis.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET &<DOWNGRADIENT MONITORING WELL &<BACKGROUND MONITORING WELL &<ABANDONED MONITORING WELL WATER SUPPLY WELL !(AOW SAMPLE LOCATION <STREAM (AMEC NRTR 2015) DESIGNATED EFFLUENT CHANNEL ASH BASIN WASTE BOUNDARY ASH BASIN COMPLIANCE BOUNDARY LANDFILL BOUNDARY STRUCTURAL FILL BOUNDARY LANDFILL COMPLIANCE BOUNDARY DUKE ENERGY CAROLINAS BELEWS CREEK PLANTSITE BOUNDARY LEGEND INCREASING CONCENTRATION OVER TIME1 DECREASING CONCENTRATION OVER TIME1 STABLE CONCENTRATION OVER TIME1 UNKNOWN CONCENTRATION OVER TIME1 <<<<<<<<< <<<<<<<<<<<<<<<&<&<&<&< &<&< &<&< &<&< &<&< &<&< &<&< &<&<&<&< &<&< &<&< &<&< &< &< &<&< &<&< &<&< &<&< &< &<&< &<&< &<&<&< &<&< &<&< &< &< &< &< &< &< &<&<&<&< &<&< &<&<&< &< &< &<&<&< &< &<&<&< &< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &<&<&< &< &<&< &< &< &< &<&< &<&< &<&< &< &< &< &< &< &< &< &< &< &< &< &< !( !( !( !( !( !( !( !( !( !(!( !( !( !( !( BELEWS RESERVOIR ASH BASIN PINE HALLROAD LANDFILL STRUCTURALFILL GEORGIA RDMARTIN LUTHER KING JR RDOLD PLANTATION RD M I D D L E T O N L O O P P IN E H A L L R D AB-1S5.8 AB-3D7.3 AB-3S6.2 AB-4D6.2 AB-5D6.6AB-5S8.6 AB-6D6.6 AB-6S6.9 AB-7D6.7 AB-9D6.9AB-9S5.2 BG-2D6.4 BG-2S5.8 BG-3S5.5 GWA-1D6.5 GWA-3D6.1 GWA-5S5.8 GWA-6S4.9 GWA-7D7.8 GWA-7SA4.7 GWA-8D6.9 GWA-8S5.3 GWA-12BR7.9 GWA-16S4.9 MW-14.9 MW-1D6.4 MW-35.6 MW-46.0 MW-55.6 MW-65.4 MW-104D6.8 MW-104S5.4 MW-200BR7.3 MW-201D6.1 MW-202BR6.4 MW-202S5.6 MW-203BR6.7 MW-203D6.4 MW-203S5.5 MW-204S5.5 MW2-75.1 OB-95.0 AB-2D5.7 AB-6SL6.6 AB-9BR7.6 GWA-19SA4.2 GWA-21S4.7 GWA-23S5.5 GWA-32D7.3 MW-103S6.5 GWA-21D5.0 GWA-24D5.5 GWA-31S5.0 GWA-32S6.3 GWA-3S5.9 S-16.4 S-45.9 S-56.7 S-66.5 S-86.0 S-97.0 S-106.0 S-116.1 AB-7S5.3 BG-1D6.9 BG-3D6.1 GWA-2S5.3 GWA-6D7.4GWA-9D6.2 GWA-10S4.5 MW-200S5.1 MW-25.8 GWA-23D6.6 GWA-9S5.1 S-26.1 S-36.5 S-710.2 S-126.5 S-156.9 AB-1D5.3 AB-4S7.0 AB-8D5.9 AB-8SL6.8 GWA-1S4.8 GWA-2D6.2 GWA-4D6.4 GWA-5D7.0 GWA-11D5.0 GWA-11S4.5 GWA-12D6.1 GWA-12S5.8 GWA-17D6.9 GWA-17S5.4 MW-101DNS MW-102D7.1 MW-102S4.8 MW-103D4.7 MW-200D6.1 MW-202D5.9 MW-204D5.4 MW2-95.9 OB-47.1 AB-4BR7.9 AB-8S5.8 GWA-31D6.9 MW-201BR7.9 GWA-18D6.8 GWA-20D5.1 GWA-20SA4.9 GWA-24BR7.8 GWA-30S5.3 BG-2BRA7.6 GWA-10DA7.0 GWA-16DA6.8 MW2-1NS MW2-3NS MW2-4NS MW2-5NS OB-1NS GWA-30D5.3 MW-75.3 GWA-9BR6.1 GWA-18S5.8 GWA-18SA5.7 GWA-19S4.2 GWA-22S5.8 GWA-26D6.1 GWA-26S5.6 GWA-27D5.7 GWA-27S4.5 GWA-20BRNS MW2-2NS SFMW-1DNS SFMW-2DNS SFMW-3DNS SFMW-4DNS SFMW-5DNS S-136.3 S-167.3 NOTES:pH CONCENTRATION IS MEASURED IN S.U. AND THE NCAC02L STANDARD IS A RANGEOF 6.5 - 8.5 S.U. ND = NON-DETECT NS = NOT SAMPLED CONCENTRATIONS REPORTED ARE FROM APRIL - MAY 2017 SAMPLING EVENT. THE DETERMINATION OF CONCENTRATION TRENDS OVER TIME ARE GENERALIZEDBASED ON AVAILABLE DATA AND WERE NOT STATISTICALLY DETERMINED. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON AUGUST 2, 2017.AERIAL WAS COLLECTED ON APRIL 8, 2017. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83/2011). FIGURE 14-90GROUNDWATER CONCENTRATIONTREND ANALYSIS -pH IN ALL FLOW LAYERS AND AOWSBELEWS CREEK STEAM STATIONDUKE ENERGY CAROLINAS, LLCBELEWS CREEK, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: S. SPINNERCHECKED BY: A. ALBERT DATE: 10/25/2017 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Belews Creek Steam Station\MapDocs\CSA_Supplement_2\Belews - Groundwater Concentration Trend Analysis.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET &<DOWNGRADIENT MONITORING WELL &<BACKGROUND MONITORING WELL &<ABANDONED MONITORING WELL WATER SUPPLY WELL !(AOW SAMPLE LOCATION <STREAM (AMEC NRTR 2015) DESIGNATED EFFLUENT CHANNEL ASH BASIN WASTE BOUNDARY ASH BASIN COMPLIANCE BOUNDARY LANDFILL BOUNDARY STRUCTURAL FILL BOUNDARY LANDFILL COMPLIANCE BOUNDARY DUKE ENERGY CAROLINAS BELEWS CREEK PLANTSITE BOUNDARY LEGEND INCREASING CONCENTRATION OVER TIME1 DECREASING CONCENTRATION OVER TIME1 STABLE CONCENTRATION OVER TIME1 UNKNOWN CONCENTRATION OVER TIME1 <<<<<<<<< <<<<<<<<<<<<<<<&<&<&<&< &<&< &<&< &<&< &<&< &<&< &<&< &<&<&<&< &<&< &<&< &<&< &< &< &<&< &<&< &<&< &<&< &< &<&< &<&< &<&<&< &<&< &<&< &< &< &< &< &< &< &< &< &<&< &<&<&< &< &< &<&<&< &< &<&<&< &< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &<&<&< &< &<&< &< &< &< &<&< &<&< &<&< &< &< &< &< &< &< &< &< &< &< &< &<&< &< &< &< &< !( !( !( !( !( !( !( !( !( !(!( !( !( !( !( BELEWS RESERVOIR ASH BASIN PINE HALLROAD LANDFILL STRUCTURALFILL GEORGIA RDMARTIN LUTHER KING JR RDOLD PLANTATION RD MIDDLETON LOOPP IN E H A L L R D AB-3DND AB-4SND AB-5D0.4 AB-6DND AB-6S0.51 AB-7D0.52 AB-8DND AB-9DND AB-9SND BG-1DND BG-2DND BG-2SND BG-3DND BG-3SND GWA-1DND GWA-2DND GWA-2SND GWA-3DND GWA-4DND GWA-5DND GWA-5SND GWA-6DND GWA-6SND GWA-7DND GWA-7SA0.32 j GWA-8DND GWA-9DND GWA-11DND GWA-12BRND GWA-12DND GWA-12SND GWA-16SND GWA-17DND GWA-17SND MW-1ND MW-3ND MW-415.8 MW-50.122 j MW-6ND MW-101DNS MW-104DND MW-104SND MW-200BRNDMW-200DND MW-200SND MW-201DND MW-202BRND MW-202DND MW-202SND MW-203BRND MW-203DND MW-203SND MW-204DND MW-204SND OB-4131 AB-4BRND AB-6SLND AB-9BRND GWA-31DND GWA-32DND MW-2ND MW-103SND MW-201BRND GWA-18DND GWA-21D0.40 j GWA-24BRNDGWA-24DND GWA-30SND GWA-31SND GWA-32SND GWA-9SND GWA-3SND S-1ND S-2ND S-3ND S-4ND S-5ND S-60.66 S-7ND S-83.85 S-92.18 S-10NDS-11ND S-12ND S-15ND AB-5S0.38 GWA-11S8.7 MW2-7202 OB-9300 GWA-23S6.8 GWA-20D0.9 AB-1D8.4AB-1S5 AB-3S1 AB-4D0.48 AB-7S7AB-8SLND GWA-1S0.37 j GWA-8S27.8 GWA-10S23.1 MW-1DND MW-103D0.99 MW2-90.879 j AB-2D2.4 AB-8S15.3 GWA-19SA20.2 GWA-21S4.1 GWA-20SA1.7 GWA-23D11.3 BG-2BRAND GWA-10DAND GWA-16DAND MW2-1NS MW2-3NS MW2-4NS MW2-5NS OB-1NS GWA-30DND MW-747.2 GWA-9BRND GWA-18S0.53 GWA-18SA0.71 GWA-19S30.9 GWA-22SND GWA-26DND GWA-26SND GWA-27DND GWA-27S5.8 GWA-20BRNS MW2-2NS SFMW-1DNS SFMW-2DNS SFMW-3DNS SFMW-4DNS SFMW-5DNS SFMW-1DNS SFMW-2DNS SFMW-3DNS SFMW-4DNS SFMW-5DNS S-13ND S-16ND NOTES:SELENIUM CONCENTRATION IS MEASURED IN μg/L AND THE NCAC 02L STANDARD IS20 μg/L. ND = NON-DETECT NS = NOT SAMPLED CONCENTRATIONS REPORTED ARE FROM APRIL - MAY 2017 SAMPLING EVENT. THE DETERMINATION OF CONCENTRATION TRENDS OVER TIME ARE GENERALIZEDBASED ON AVAILABLE DATA AND WERE NOT STATISTICALLY DETERMINED. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON AUGUST 2, 2017.AERIAL WAS COLLECTED ON APRIL 8, 2017. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83/2011). FIGURE 14-91GROUNDWATER CONCENTRATIONTREND ANALYSIS -SELENIUM IN ALL FLOW LAYERS AND AOWSBELEWS CREEK STEAM STATIONDUKE ENERGY CAROLINAS, LLCBELEWS CREEK, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: S. SPINNERCHECKED BY: A. ALBERT DATE: 10/25/2017 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Belews Creek Steam Station\MapDocs\CSA_Supplement_2\Belews - Groundwater Concentration Trend Analysis.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET &<DOWNGRADIENT MONITORING WELL &<BACKGROUND MONITORING WELL &<ABANDONED MONITORING WELL WATER SUPPLY WELL !(AOW SAMPLE LOCATION <STREAM (AMEC NRTR 2015) DESIGNATED EFFLUENT CHANNEL ASH BASIN WASTE BOUNDARY ASH BASIN COMPLIANCE BOUNDARY LANDFILL BOUNDARY STRUCTURAL FILL BOUNDARY LANDFILL COMPLIANCE BOUNDARY DUKE ENERGY CAROLINAS BELEWS CREEK PLANTSITE BOUNDARY LEGEND INCREASING CONCENTRATION OVER TIME1 DECREASING CONCENTRATION OVER TIME1 STABLE CONCENTRATION OVER TIME1 UNKNOWN CONCENTRATION OVER TIME1 <<<<<<<<< <<<<<<<<<<<<<<<&<&<&<&< &<&< &<&< &<&< &<&< &<&< &<&< &<&<&<&< &<&< &<&< &<&< &< &< &<&< &<&< &<&< &<&< &< &<&< &<&< &<&<&< &<&< &<&< &< &< &<&< &<&<&< &< &<&<&< &<&<&< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &<&<&< &< &<&< &< &< &< &<&< &<&< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< !( !( !( !( !( !( !( !( !( !(!( !( !( !( !( BELEWS RESERVOIR ASH BASIN PINE HALLROAD LANDFILL STRUCTURALFILL GEORGIA RDMARTIN LUTHER KING JR RDOLD PLANTATION RD MIDDLETON LOOPP IN E H A L L R D AB-3S805 AB-4S1500 AB-6D57 AB-7D44.5 AB-9S6.7 BG-2D41.6 GWA-2D25.7 GWA-2S3.3 j GWA-3D111 GWA-5D158 GWA-5S74.9 GWA-6S25.2 GWA-8S314 GWA-12BR49.3 GWA-16S8.5 MW-103D507 MW-104S32.2 MW-200BR193 MW-202D41 MW-202S10 MW-203BR43.6 MW-203D35 AB-6SL930 AB-8S244 AB-9BR119 GWA-19SA146 GWA-31D55 GWA-30S34 GWA-31S13.9 S-1NS S-3NS S-5NS S-8NS S-9NS S-10NS S-11NS AB-1D697 AB-1S783 AB-4D169 AB-5D52.9 AB-7S1530AB-8SL1420 AB-9D108 BG-1D71.4 BG-2S45.9 BG-3D52.8 GWA-1S116 GWA-6D129 GWA-7D260 GWA-7SA29.1 GWA-9D82.6 GWA-10S25.2 GWA-11D520 GWA-11S456 MW-339 MW-104D89 MW-204D15 MW-204S18 AB-2D807 AB-4BR79.3 GWA-21S214 GWA-23S600 GWA-32D181 MW-103S158 GWA-20D1020 GWA-21D570 GWA-23D887 GWA-24BR120GWA-24D92.8 GWA-9S6.9 S-6373 S-2NS S-4NS AB-3D408 AB-5S284 AB-6S96.5 AB-8D65.7 BG-3S27.2 GWA-1D102 GWA-4D179 GWA-8D57.6 GWA-12D21.2 GWA-12S18.9 GWA-17D44.2 GWA-17S12.2 MW-200D117 MW-202BR37.8 MW-203S19 MW-201BR39.3 GWA-18D45.8 GWA-20SA569 GWA-32SND GWA-3S131 S-7NS BG-2BRA78.3 GWA-10DA58.8 GWA-16DA47 MW-200S68 MW-201D72 GWA-30D372 GWA-9BR78.3 GWA-18S24.2 GWA-18SA72.4 GWA-19S89.2 GWA-22S47.2 GWA-26D43.6 GWA-26S24.5 GWA-27D918GWA-27S28.4 GWA-20BRNS MW-1NS MW-1DNS MW-4NS MW-5NS MW-6NS MW-101DNS MW2-1NS MW2-3NS MW2-4NS MW2-5NS MW2-7NS MW2-9NS OB-4NS OB-1NS OB-9NS MW-2NS MW-7NS MW2-2NS S-12NS S-13NS S-15NS S-16NS NOTES:STRONTIUM CONCENTRATION IS MEASURED IN μg/L AND THE NCAC 02L STANDARD ISNOT ESTABLISHED. ND = NON-DETECT NS = NOT SAMPLED CONCENTRATIONS REPORTED ARE FROM APRIL - MAY 2017 SAMPLING EVENT. THE DETERMINATION OF CONCENTRATION TRENDS OVER TIME ARE GENERALIZEDBASED ON AVAILABLE DATA AND WERE NOT STATISTICALLY DETERMINED. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON AUGUST 2, 2017.AERIAL WAS COLLECTED ON APRIL 8, 2017. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83/2011). FIGURE 14-92GROUNDWATER CONCENTRATIONTREND ANALYSIS -STRONTIUM IN ALL FLOW LAYERS AND AOWSBELEWS CREEK STEAM STATIONDUKE ENERGY CAROLINAS, LLCBELEWS CREEK, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: S. SPINNERCHECKED BY: A. ALBERT DATE: 10/25/2017 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Belews Creek Steam Station\MapDocs\CSA_Supplement_2\Belews - Groundwater Concentration Trend Analysis.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET &<DOWNGRADIENT MONITORING WELL &<BACKGROUND MONITORING WELL &<ABANDONED MONITORING WELL WATER SUPPLY WELL !(AOW SAMPLE LOCATION <STREAM (AMEC NRTR 2015) DESIGNATED EFFLUENT CHANNEL ASH BASIN WASTE BOUNDARY ASH BASIN COMPLIANCE BOUNDARY LANDFILL BOUNDARY STRUCTURAL FILL BOUNDARY LANDFILL COMPLIANCE BOUNDARY DUKE ENERGY CAROLINAS BELEWS CREEK PLANTSITE BOUNDARY LEGEND INCREASING CONCENTRATION OVER TIME1 DECREASING CONCENTRATION OVER TIME1 STABLE CONCENTRATION OVER TIME1 UNKNOWN CONCENTRATION OVER TIME1 <<<<<<<<< <<<<<<<<<<<<<<<&<&<&<&< &<&< &<&< &<&< &<&< &<&< &<&< &<&<&<&< &<&< &<&< &<&< &< &< &<&< &<&< &<&< &<&< &< &<&< &<&< &<&<&< &<&< &<&< &< &< &< &< &< &< &< &< &<&< &<&<&< &< &< &<&<&< &< &<&<&< &< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &<&<&< &< &<&< &< &< &< &<&< &<&< &<&< &< &< &< &< &< &< &< &< &< &< &< &< !( !( !( !( !( !( !( !( !( !(!( !( !( !( !( BELEWS RESERVOIR ASH BASIN PINE HALLROAD LANDFILL STRUCTURALFILL GEORGIA RDMARTIN LUTHER KING JR RDOLD PLANTATION RD MIDDLETON LOOPP IN E H A L L R D AB-3D25.7 AB-3S138 AB-4D5.1 AB-4S228 AB-7D9.6 AB-9D11.4AB-9SND GWA-1D7.7 GWA-1SND GWA-2D0.93 j GWA-5SND GWA-9D5 GWA-10SND GWA-11D6.2 GWA-11SND GWA-12D0.97 j GWA-12SND GWA-17D12.6 MW-30.79 j MW-50.105 MW-60.045 j MW-104SND MW-200BR6.4 MW-202D1.6 MW-202S0.36 MW-203S0.19 MW-204S2.3 MW2-964 OB-41540 OB-91160 AB-2D79.3 AB-6SL1.3 AB-9BR12.9 GWA-31D5.4 MW-20.208 MW-103SND MW-201BR8.4GWA-20D55.9GWA-31S0.6 j GWA-3S0.56 j S-20.64 S-31.2 S-40.28 S-51.3 S-88.6 S-9230 S-1012 S-1179 S-151.8 AB-5D6.3 AB-7S298 BG-1D11 GWA-6S9.8 GWA-8D10.7 GWA-8S102 GWA-17S17.5 MW-11.19 MW-480.4 MW-101DNS MW-103D2.1 MW-104D2.5 MW-200S5.6 MW2-71320 GWA-23S666 GWA-32D22.5 GWA-20SA80.3 S-11.5 S-632.8 S-71.5 AB-1D120 AB-1S145 AB-5S24.9 AB-6D3.4 AB-6S11.1 AB-8D0.7 AB-8SL34.8 BG-2D2.7 BG-2S1.1 BG-3D0.52 j BG-3SND GWA-2SND GWA-3DND GWA-4D0.71 j GWA-5D4.1 GWA-6D6 GWA-7D4 GWA-7SA11.4 GWA-12BR5.7 GWA-16S0.55 j MW-1D0.961 MW-200D3.5 MW-201D1.3 MW-202BR3 MW-203BR2.1 MW-203D1.3 MW-204D2.2 AB-4BR6 AB-8S35.7 GWA-19SAND GWA-21S0.63 j GWA-18D4 GWA-21D0.72 j GWA-23D1270 GWA-24BR5.7 GWA-24D2.3 GWA-30S0.72 j GWA-32S0.64 j GWA-9S0.67 j S-123.3 BG-2BRA9.6 GWA-10DA4.4 GWA-16DA8.2 MW2-1NS MW2-3NS MW2-4NS MW2-5NS OB-1NS GWA-30D1.9 MW-7247.7 GWA-9BR1.2 GWA-18S9.4 GWA-18SA2.8 GWA-19S0.67 j GWA-22S10.6 GWA-26D1.6 GWA-26S5.1 GWA-27D10.3 GWA-27S2.3 GWA-20BRNS MW2-2NS SFMW-1DNS SFMW-2DNS SFMW-3DNS SFMW-4DNS SFMW-5DNS S-131.3 S-161.1 NOTES:SULFATE CONCENTRATION IS MEASURED IN mg/L AND THE NCAC 02L STANDARD IS250 mg/L. ND = NON-DETECT NS = NOT SAMPLED CONCENTRATIONS REPORTED ARE FROM APRIL - MAY 2017 SAMPLING EVENT. THE DETERMINATION OF CONCENTRATION TRENDS OVER TIME ARE GENERALIZEDBASED ON AVAILABLE DATA AND WERE NOT STATISTICALLY DETERMINED. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON AUGUST 2, 2017.AERIAL WAS COLLECTED ON APRIL 8, 2017. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83/2011). FIGURE 14-93GROUNDWATER CONCENTRATIONTREND ANALYSIS -SULFATE IN ALL FLOW LAYERS AND AOWSBELEWS CREEK STEAM STATIONDUKE ENERGY CAROLINAS, LLCBELEWS CREEK, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: S. SPINNERCHECKED BY: A. ALBERT DATE: 10/25/2017 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Belews Creek Steam Station\MapDocs\CSA_Supplement_2\Belews - Groundwater Concentration Trend Analysis.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET &<DOWNGRADIENT MONITORING WELL &<BACKGROUND MONITORING WELL &<ABANDONED MONITORING WELL WATER SUPPLY WELL !(AOW SAMPLE LOCATION <STREAM (AMEC NRTR 2015) DESIGNATED EFFLUENT CHANNEL ASH BASIN WASTE BOUNDARY ASH BASIN COMPLIANCE BOUNDARY LANDFILL BOUNDARY STRUCTURAL FILL BOUNDARY LANDFILL COMPLIANCE BOUNDARY DUKE ENERGY CAROLINAS BELEWS CREEK PLANTSITE BOUNDARY LEGEND INCREASING CONCENTRATION OVER TIME1 DECREASING CONCENTRATION OVER TIME1 STABLE CONCENTRATION OVER TIME1 UNKNOWN CONCENTRATION OVER TIME1 <<<<<<<<< <<<<<<<<<<<<<<<&<&<&<&< &<&< &<&< &<&< &<&< &<&< &<&< &<&<&<&< &<&< &<&< &<&< &< &< &<&< &<&< &<&< &<&< &< &<&< &<&< &<&<&< &<&< &<&< &< &< &< &< &< &< &< &< &<&< &<&<&< &< &< &<&<&< &< &<&<&< &< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &<&<&< &< &<&< &< &< &< &<&< &<&< &<&< &< &< &< &< &< &< &< &< &< &< &< &< !( !( !( !( !( !( !( !( !( !(!( !( !( !( !( BELEWS RESERVOIR ASH BASIN PINE HALLROAD LANDFILL STRUCTURALFILL GEORGIA RDMARTIN LUTHER KING JR RDOLD PLANTATION RD M I D D L E T O N L O O P P IN E H A L L R D AB-1D1130 AB-6S88 AB-7D86 AB-8SL337 AB-9D177 BG-2D96 GWA-2D59 GWA-2SND GWA-3D83 GWA-6D145 GWA-6S50 GWA-7D191 GWA-7SA72 GWA-11D464 GWA-12BR104 GWA-12D47 GWA-16S28 MW-138 MW-1D84 MW-339 MW-653 MW-103D620 D6 MW-104D79 MW-200BR244 MW-201D120 MW-202D81 MW-202S44 MW-203D110 MW-203S45 MW-204D49 MW-204S58 MW2-71850 MW2-9197 OB-42600 AB-6SL150 AB-9BR177 GWA-18D80 GWA-21D452 GWA-24DND GWA-31SND GWA-9S27 S-2200 S-3ND S-5ND S-6424 S-739 S-867 S-9360 S-10800 S-111000 S-1297 AB-4D149 AB-5D109 AB-6D101 AB-7S2260 AB-8D93 AB-9S40 BG-1D100GWA-1S201 GWA-8S207 GWA-9D135 GWA-10S147 GWA-17D109 GWA-17S58 MW-4186 MW-101DNS MW-200S130 MW-203BR106 AB-4BR149 GWA-23S1080 MW-267 MW-103S568 MW-201BR111GWA-20D1080 GWA-20SA1160 GWA-32S135 S-4260 AB-1S1100 AB-3D648 AB-3S1180 AB-4S1120 AB-5S140 BG-2S77 BG-3D64 BG-3S53 GWA-1D173 D6 GWA-4D147 GWA-5D158 GWA-5S38 GWA-8D122 GWA-11S424 GWA-12S29 MW-537 MW-104S51 MW-200D170 MW-202BR73 OB-91530 AB-2D772 AB-8S123 GWA-19SA339 GWA-21S238 GWA-31D92 GWA-32D317 GWA-23D1820 GWA-24BRND GWA-30S37 GWA-3S88 S-126 S-1552 BG-2BRA131 GWA-10DA74 GWA-16DA92 MW2-1NS MW2-3NS MW2-4NS MW2-5NS OB-1NS GWA-30D146 MW-7522 GWA-9BR254 GWA-18S125 GWA-18SA169 GWA-19S299 GWA-22S80 GWA-26D87 GWA-26S53 GWA-27D990 GWA-27S108 GWA-20BRNS MW2-2NS SFMW-1DNS SFMW-2DNS SFMW-3DNS SFMW-4DNS SFMW-5DNS S-13100 S-1659 NOTES:TOTAL DISSOLVED SOLIDS (TDS) CONCENTRATION IS MEASURED IN mg/L AND THENCAC 02L STANDARD IS 500 mg/L. ND = NON-DETECT NS = NOT SAMPLED CONCENTRATIONS REPORTED ARE FROM APRIL - MAY 2017 SAMPLING EVENT. THE DETERMINATION OF CONCENTRATION TRENDS OVER TIME ARE GENERALIZEDBASED ON AVAILABLE DATA AND WERE NOT STATISTICALLY DETERMINED. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON AUGUST 2, 2017.AERIAL WAS COLLECTED ON APRIL 8, 2017. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83/2011). FIGURE 14-94GROUNDWATER CONCENTRATIONTREND ANALYSIS -TOTAL DISSOLVED SOLIDS IN ALL FLOW LAYERS ANDAOWSBELEWS CREEK STEAM STATIONDUKE ENERGY CAROLINAS, LLCDRAWN BY: B. YOUNGPROJECT MANAGER: S. SPINNERCHECKED BY: A. ALBERT DATE: 10/25/2017 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Belews Creek Steam Station\MapDocs\CSA_Supplement_2\Belews - Groundwater Concentration Trend Analysis.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET &<DOWNGRADIENT MONITORING WELL &<BACKGROUND MONITORING WELL &<ABANDONED MONITORING WELL WATER SUPPLY WELL !(AOW SAMPLE LOCATION <STREAM (AMEC NRTR 2015) DESIGNATED EFFLUENT CHANNEL ASH BASIN WASTE BOUNDARY ASH BASIN COMPLIANCE BOUNDARY LANDFILL BOUNDARY STRUCTURAL FILL BOUNDARY LANDFILL COMPLIANCE BOUNDARY DUKE ENERGY CAROLINAS BELEWS CREEK PLANTSITE BOUNDARY LEGEND INCREASING CONCENTRATION OVER TIME1 DECREASING CONCENTRATION OVER TIME1 STABLE CONCENTRATION OVER TIME1 UNKNOWN CONCENTRATION OVER TIME1 <<<<<<<<< <<<<<<<<<<<<<<<&<&<&<&< &<&< &<&< &<&< &<&< &<&< &<&< &<&<&<&< &<&< &<&< &<&< &< &< &<&< &<&< &<&< &<&< &< &<&< &<&< &<&<&< &<&< &<&< &< &< &< &< &< &< &< &<&< &<&<&< &< &<&<&< &<&<&< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &<&<&< &< &<&< &< &< &< &<&< &<&< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< !( !( !( !( !( !( !( !( !( !(!( !( !( !( !( BELEWS RESERVOIR ASH BASIN PINE HALLROAD LANDFILL STRUCTURALFILL GEORGIA RDMARTIN LUTHER KING JR RDOLD PLANTATION RD MIDDLETON LOOPP IN E H A L L R D AB-1D0.35 AB-3DND AB-3S0.6 AB-4D0.037 AB-4SND AB-5SND AB-6DND AB-7DND AB-9DNDAB-9S0.082 BG-1D0.56 j BG-2DND BG-2S0.038 j,B BG-3DND GWA-2DND GWA-3DND GWA-4D0.046 j GWA-5DND GWA-5SND GWA-6DND GWA-6S0.26 GWA-7DND GWA-7SA0.07 j GWA-8S0.051 j GWA-9DND GWA-10S0.26 GWA-11DND GWA-11S0.36 GWA-12BRND GWA-12DND GWA-12S0.023 j GWA-17DND GWA-17S0.037 j MW-1ND MW-1DND MW-3ND MW-4ND MW-5ND MW-6ND MW-104DND MW-200BRND MW-200DND MW-200SND MW-201DND MW-202BRND MW-202DND MW-202SND MW-203BRND MW-203DND MW-203SND MW-204DND MW-204SND MW2-7ND MW2-9NDOB-9ND AB-4BRND AB-6SLND AB-9BRND GWA-23SND GWA-31DND GWA-32DND MW-2ND MW-201BRND GWA-18DND GWA-20D0.2 GWA-20SA0.4 GWA-23DND GWA-24BRNDGWA-24DND GWA-30S0.06 j GWA-31S0.019 j GWA-9S0.12 B GWA-3SND S-2ND S-4ND S-5ND S-60.041 j S-7ND S-8ND S-9ND S-100.4 B3 S-110.383 S-12ND S-15ND AB-1S0.37 AB-7S1.8 AB-8SL0.083 GWA-1S0.29 GWA-16S0.079 j,B AB-2D0.54 AB-8S4.8 GWA-21S0.34 GWA-21D0.29 GWA-32S0.44 AB-5D0.018 AB-6S0.016 AB-8D0.027 BG-3S0.041 j GWA-1D0.022 j GWA-2S0.048 j GWA-8D0.039 j MW-103D2 MW-104S0.06 j OB-48.39 GWA-19SA0.51 MW-103S0.18 S-1ND S-3ND BG-2BRAND GWA-10DA0.061 j,B GWA-16DAND OB-1NS GWA-30DND GWA-9BRND GWA-18S0.16 GWA-18SA0.44 GWA-19S0.38 GWA-22S0.017 j GWA-26D0.027 j GWA-26S0.068 j GWA-27D0.46 j GWA-27S0.17 GWA-20BRNS MW-101DNS MW2-1NS MW2-3NS MW2-4NS MW2-5NS MW-7NS MW2-2NS SFMW-1DNS SFMW-2DNS SFMW-3DNS SFMW-4DNS SFMW-5DNS S-13ND S-16ND NOTES:THALLIUM CONCENTRATION IS MEASURED IN μg/L AND THE IMAC STANDARD IS 0.2μg/L. ND = NON-DETECT NS = NOT SAMPLED CONCENTRATIONS REPORTED ARE FROM APRIL - MAY 2017 SAMPLING EVENT. THE DETERMINATION OF CONCENTRATION TRENDS OVER TIME ARE GENERALIZEDBASED ON AVAILABLE DATA AND WERE NOT STATISTICALLY DETERMINED. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON AUGUST 2, 2017.AERIAL WAS COLLECTED ON APRIL 8, 2017. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83/2011). FIGURE 14-95GROUNDWATER CONCENTRATIONTREND ANALYSIS -THALLIUM IN ALL FLOW LAYERS AND AOWSBELEWS CREEK STEAM STATIONDUKE ENERGY CAROLINAS, LLCBELEWS CREEK, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: S. SPINNERCHECKED BY: A. ALBERT DATE: 10/25/2017 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Belews Creek Steam Station\MapDocs\CSA_Supplement_2\Belews - Groundwater Concentration Trend Analysis.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET &<DOWNGRADIENT MONITORING WELL &<BACKGROUND MONITORING WELL &<ABANDONED MONITORING WELL WATER SUPPLY WELL !(AOW SAMPLE LOCATION <STREAM (AMEC NRTR 2015) DESIGNATED EFFLUENT CHANNEL ASH BASIN WASTE BOUNDARY ASH BASIN COMPLIANCE BOUNDARY LANDFILL BOUNDARY STRUCTURAL FILL BOUNDARY LANDFILL COMPLIANCE BOUNDARY DUKE ENERGY CAROLINAS BELEWS CREEK PLANTSITE BOUNDARY LEGEND INCREASING CONCENTRATION OVER TIME1 DECREASING CONCENTRATION OVER TIME1 STABLE CONCENTRATION OVER TIME1 UNKNOWN CONCENTRATION OVER TIME1 <<<<<<<<< <<<<<<<<<<<<<<<&<&<&<&< &<&< &<&< &<&< &<&< &<&< &<&< &<&<&<&< &<&< &<&< &<&< &< &< &<&< &<&< &<&< &<&< &< &<&< &<&< &<&<&< &<&< &<&< &< &< &< &< &< &< &< &<&< &<&<&< &< &<&<&< &<&<&< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &<&<&< &< &<&< &< &< &< &<&< &<&< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< !( !( !( !( !( !( !( !( !( !(!( !( !( !( !( BELEWS RESERVOIR ASH BASIN PINE HALLROAD LANDFILL STRUCTURALFILL GEORGIA RDMARTIN LUTHER KING JR RDOLD PLANTATION RD M I D D L E T O N L O O P P IN E H A L L R D AB-1S0.1 AB-3S1.2 AB-4S0.25 AB-6D3.4 AB-7D0.84 AB-9S0.2 BG-1D0.93 j BG-2D1.2 GWA-5D0.89 GWA-8S0.34 GWA-12BR0.39 GWA-16SND MW-103DND MW-104D4.1 MW-200BR0.16 j,B MW-203BR3 MW-203D3.93 MW-203S0.321 MW-204DND OB-4203 OB-90.138 j AB-6SL0.44 GWA-21SND GWA-31D0.22 j,B GWA-32DND MW-103SND MW-201BR0.16 jGWA-20DND GWA-21DND GWA-24D0.28 j,B GWA-32SND GWA-9S0.29 j S-1ND S-3ND S-4ND S-7ND S-8ND S-9ND S-100.4 B3 S-110.383 AB-5D3.7 BG-2S1.3 BG-3D0.57 GWA-1S1.4 GWA-2D0.51 B GWA-2S0.66 B GWA-3D1 GWA-6S1 GWA-7SA0.69 GWA-8D0.29 j GWA-9D0.55 GWA-11S0.59 GWA-12D0.53 MW-10.531 j MW-1D0.454 j MW-30.49 B MW-43.36 MW-60.515 j MW-104S0.41 MW-202D1.04 MW-202S0.697 MW2-91.8 AB-2D0.21 j AB-4BR2.8 GWA-19SA0.42 GWA-23S0.79 MW-20.58 j GWA-23D0.42 GWA-30S0.24 j,B GWA-31S0.86 AB-1D0.15 AB-3D0.38 AB-4D5.8 AB-5S0.24 AB-6S1.8 AB-7S0.14 AB-8D0.23 AB-8SL12.8 AB-9D0.4 BG-3S1.2 GWA-1D0.61 GWA-4D0.99 GWA-5S0.4 GWA-6D0.41 B GWA-7D2.3 GWA-10S0.16 j GWA-11D0.41 GWA-12S0.23 j GWA-17D0.13 j GWA-17S0.8 MW-50.947 j MW-200D0.323 MW-202BR0.48 MW-204S0.439 MW2-70.455 j AB-8S1.8 AB-9BR0.1 j GWA-18D0.88 GWA-20SAND GWA-24BR0.6 B GWA-3S1.6 S-60.63S-2ND S-5ND BG-2BRA0.64 B GWA-10DA0.74 GWA-16DA0.54 MW-200S0.432 MW-201D1.61 OB-1NS GWA-30D1.9 MW-7ND GWA-9BR0.4 GWA-18S0.38 GWA-18SA0.1 j GWA-19S0.35 GWA-22S0.54 GWA-26D0.18 j GWA-26S0.2 j GWA-27DND GWA-27S0.08 j GWA-20BRNS MW-101DNS MW2-1NS MW2-3NS MW2-4NS MW2-5NS MW2-2NS SFMW-1DNS SFMW-2DNS SFMW-3DNS SFMW-4DNS SFMW-5DNS S-12ND S-13ND S-15ND S-16NS NOTES:VANADIUM CONCENTRATION IS MEASURED IN μg/L AND THE IMAC STANDARD IS 0.3μg/L. ND = NON-DETECT NS = NOT SAMPLED CONCENTRATIONS REPORTED ARE FROM APRIL - MAY 2017 SAMPLING EVENT. THE DETERMINATION OF CONCENTRATION TRENDS OVER TIME ARE GENERALIZEDBASED ON AVAILABLE DATA AND WERE NOT STATISTICALLY DETERMINED. DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICALDATA TABLE NOTES FOR QUALIFIER DEFINITIONS. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS. AERIAL PHOTOGRAPHY OBTAINED FROM GOOGLE EARTH PRO ON AUGUST 2, 2017.AERIAL WAS COLLECTED ON APRIL 8, 2017. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANECOORDINATE SYSTEM FIPS 3200 (NAD83/2011). FIGURE 14-96GROUNDWATER CONCENTRATIONTREND ANALYSIS -VANADIUM IN ALL FLOW LAYERS AND AOWSBELEWS CREEK STEAM STATIONDUKE ENERGY CAROLINAS, LLCBELEWS CREEK, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: S. SPINNERCHECKED BY: A. ALBERT DATE: 10/25/2017 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Belews Creek Steam Station\MapDocs\CSA_Supplement_2\Belews - Groundwater Concentration Trend Analysis.mxd 500 0 500 1,000250 GRAPHIC SCALE IN FEET &<DOWNGRADIENT MONITORING WELL &<BACKGROUND MONITORING WELL &<ABANDONED MONITORING WELL WATER SUPPLY WELL !(AOW SAMPLE LOCATION <STREAM (AMEC NRTR 2015) DESIGNATED EFFLUENT CHANNEL ASH BASIN WASTE BOUNDARY ASH BASIN COMPLIANCE BOUNDARY LANDFILL BOUNDARY STRUCTURAL FILL BOUNDARY LANDFILL COMPLIANCE BOUNDARY DUKE ENERGY CAROLINAS BELEWS CREEK PLANTSITE BOUNDARY LEGEND INCREASING CONCENTRATION OVER TIME1 DECREASING CONCENTRATION OVER TIME1 STABLE CONCENTRATION OVER TIME1 UNKNOWN CONCENTRATION OVER TIME1 OB-4 (12.2-27.2): pH=7.11, Eh=522, Sb=26.2, As=30.7, Ba=30.7, Be=<5, B=14800, Cd=0.983 j, Cl=4.73, Cr (VI)=NA, Cr=<5, Co=1.07, Fe=28.2, Mn=81.7, Mo=NA, Se=131, Sr=NA, SO4=1540, Tl=8.39, TDS=2600, V=203 MW-102D (21.6-26.6) pH=7.12, Eh=523.9 MW-102S (6.9-14.9) pH=4.75, Eh=488.8 MW-202BR (98-103): pH=6.4, Eh=255.3, Sb=0.28 j, As=0.37, Ba=3 j, Be=0.023 j, B=<50, Cd=<0.08, Cl=2.4, Cr (VI)=0.17, Cr=0.92 B, Co=0.064 j, Fe=27.2 j, Mn=4.6 j, Mo=0.81, Se=<0.5, Sr=37.8, SO4=3, Tl=<0.1, TDS=73, V=0.48 MW-202D (86.4-91.4): pH=5.9, Eh=654, Sb=<1, As=<1, Ba=7, Be=<1, B = <50, Cd=<1, Cl=2.8, Cr (VI)=NA, Cr=<5, Co=<1, Fe=434, Mn=5, Mo=<1, Se=<1, Sr=41, SO4=1.6, Tl=<0.2 B3, TDS=81, V=1.04 MW-202S (45.01-60.01): pH=5.55, Eh=663, Sb=<1, As=<1, Ba=24, Be=<1, B=<50, Cd=<1, Cl=1.7, Cr (VI)=NA, Cr=<5, Co=<1, Fe=279, Mn=<5, Mo=<1, Se=<1, Sr=10, SO4=0.36, Tl=<0.2 B3, TDS=44, V=0.697 MW-200D (14.5-19.5): pH=6.12, Eh=642, Sb=<1, As=<1, Ba=<5, Be=<1, B=162, Cd=<1, Cl=34, Cr (VI)=NA, Cr=<5, Co=<1, Fe=28, Mn=11, Mo=<1, Se=<1, Sr=117, SO4=3.5, Tl=<0.2 B3, TDS=170, V=0.323 MW-200BR (45-50): pH=7.3, Eh=111.2, Sb=<0.5, As=1.4, Ba=<5, Be=0.2, B=106, Cd=<0.08, Cl=49.5, Cr (VI)=<0.025, Cr=0.098 j, Co=0.045 j, Fe=217, Mn=126, Mo=0.32 j, Se= <0.5, Sr=193, SO4=6.4, Tl=<0.1, TDS=244, V=0.16 j,B MW-200S (5.16-12.76): pH=5.08, Eh=585, Sb=<1, As=<1, Ba=64, Be=<1, B=95, Cd=<1, Cl=33, Cr (VI)=NA, Cr=<5, Co=2.99, Fe=211, Mn=261, Mo=<1, Se=<1, Sr=68, SO4=5.6, Tl=<0.2, TDS=130, V=0.432 GWA-24BR (59-69): pH=7.8, Eh=181, Sb=0.85, As=4.1, Ba=4.80 j, Be=<0.1, B=<50, Cd=<0.08, Cl=1.5, Cr (VI)=0.044, Cr=0.72, Co=0.061 j, Fe=199, Mn=10.1, Mo=3.4, Se=<0.5, Sr=120, SO4=5.7, Tl=<0.1, TDS=<25, V=0.6 B GWA-24D (13-18): pH=5.5, Eh=481.1, k=0.213 Sb=<0.5, As=0.07 j, Ba= 7.9, Be=0.12, B=<50, Cd=0.052 j, Cl=43.9, Cr (VI)=0.23, Cr=1.4, Co=0.066 j, Fe=30.7 j, Mn=10.5, Mo=0.2 j, Se=<0.5, Sr= 92.8, SO4=2.3, Tl=<0.1, TDS=<25, V=0.28 j,B GWA-30D (33-38): pH=5.3, Eh=393.3, Sb=<0.5, As=1.6, Ba=48.2, Be=0.03 j, B=<50, Cd=<0.08, Cl=3.6, Cr (VI)=0.33, Cr=0.86, Co=0.21, Fe=<50, Mn=86.6, Mo=10.6, Se=<0.5, Sr=372, SO4=1.9, Tl=<0.1, TDS=146, V=1.9 GWA-30S (10-25): pH = 5.3, Eh = 384.8, Sb=<0.5, As=0.23, Ba=19.9, Be=0.61, B=<50, Cd=<0.08, Cl=4.5, Cr (VI)=0.12, Cr=0.3 j, Co=0.91, Fe=28.9 j, Mn=29.8, Mo=<0.5, Se=<0.5, Sr=34, SO4=0.72 j, Tl=0.06 j, TDS=37, V=0.24 j,B GWA-18D (56-61): pH=6.8, Eh=305.9, k=0.01 Sb=0.41 j, As=0.91, Ba=<5, Be=<0.1, B=<50, Cd= <0.08, Cl=11, Cr (VI)=0.17, Cr=0.59, Co=0.44, Fe=38.6 j, Mn=44.2, Mo=0.9, Se=<0.5, Sr=45.8, SO4=4, Tl=<0.1, TDS=80, V=0.88 GWA-16DA (52-57): pH=6.8, Eh=201.5, Sb=<0.5, As=0.27, Ba=8.6, Be=.023 j, B=<50, Cd=<0.08, Cl=0.74 j, Cr (VI)=<0.12 D3, Cr=78.1, Co=1.2, Fe=2100, Mn=52.4, Mo=2.4, Se=<0.5, Sr=47, SO4=8.2, Tl=<0.1, TDS=92, V=0.54 GWA-16S (29-44): pH=4.9, Eh=450.3, Sb=<0.5, As=<0.1, Ba=41.2, Be=0.12 B, B=<50, Cd=<0.08, Cl=0.67 j, Cr (VI)=0.11, Cr=0.36 j,B, Co=2, Fe=<50, Mn=61.8, Mo=<0.5, Se=<0.5, Sr=8.5, SO4=0.55 j, Tl=0.079 j,B, TDS=28, V=<0.3 MW-204D (36.07-41.07): pH=5.41, Eh=684, Sb=<1, As=<1, Ba=53, Be=<1, B=<50, Cd=<1, Cl=2.2, Cr (VI)=NA, Cr = <5, Co=9.01, Fe=83, Mn=55, Mo=<1, Se=<1, Sr=15, SO4=2.2, Tl=<0.2 B3, TDS=49, V=<0.3 MW-204S (18.9-33.9): pH=5.53, Eh=550, Sb=<1, As=<1, Ba=172, Be= <1, B=<50, Cd=<1, Cl=2.9, Cr (VI)=NA, Cr=<5, Co=14.7, Fe= 3680, Mn= 510, Mo=<1, Se=<1, Sr=18, SO4=2.3, Tl=<0.2 B3, TDS=58, V=0.439 AB-8SL (37-47): pH=6.8, Eh=93.3,, Sb=0.13 j, As=227, Ba=348, Be=0.079 j,B, B=10700, Cd=<0.08, Cl=6.5, Cr (VI)=<0.25 D3, Cr=1.2 B, Cobalt=0.63, Fe=34800 M1, Mn=848, Mo=174, Se=<5, Sr=1420 M1, SO4=34.8, Tl=0.083 j,B, TDS=337, V=12.8 AB-6S (2-12): pH=6.9, Eh=202, Sb=<0.5, As=2.3, Ba=180, Be=<0.1, B=69.2, Cd=<0.08, Cl=7.1, Cr (VI)=0.022 j, Cr=0.42 j, Co=0.37, Fe=225, Mn=3.3 j, Mo=3, Se=0.51, Sr=96.5, SO4=11.1, Tl=0.016 j, TDS=88, V=1.8 AB-6SL (13.3-18.3): pH=6.6, Eh = 99, Sb=<0.5, As=4.8, Ba=209, Be =0.017 j, B=628, Cd=<0.08, Cl = 7.4, Cr (VI)=<0.12 D3, Cr=0.89, Cobalt=<0.1, Fe =4850, Mn=267, Mo=0.93, Se=<0.5, Sr=930, SO4=1.3, Tl=<0.1, TDS=150, V=0.44 AB-6D (85-90): pH=6.6, Eh=353.2, Sb=<0.5, As=0.081 j, Ba =20.6, Be=0.018 j, B=<50, Cd=<0.08, Cl=1.2, Cr (VI)=0.42, Cr=0.62, Co=0.084 j, Fe=<50, Mn=7.1, Mo=1.2, Se=<0.5, Sr=57, S=3.4, Tl=<0.1, TDS=101, V=3.4 AB-4D (89.5-94.5): pH=6.2, Eh=235.5, Sb=0.38 j, As=3.5, Ba=24.1, Be=0.017 j,B, B=88.6, Cd=<0.08, Cl=3.2, Cr (VI)=0.38, Cr=0.46 j,B, Co=0.2, Fe =<50, Mn=294, Mo=9, Se=0.48 j, Sr=169, S=5.1, Tl=0.037 j,B, TDS=149, V=5.8 AB-1D (73-78): pH=5.3, Eh=292.8, k=854.5, Sb=0.22 j, As=1.8, Ba=191, Be=0.65, B=9330, Cd=0.16, Cl=477, Cr (VI)=0.46, Cr=5.4, Cobalt=34.8, Fe=251, Mn=2080, Mo=0.47 j,B, Se=8.4, Sr=697, SO4=120, Tl=0.35, TDS=1130, V=0.15 j AB-2D (132-137): pH=5.7, Eh=323.6, Sb=0.13 j, As = 2.1, Ba=118, Be=0.65, B=11300, Cd=0.21, Cl=475, Cr (VI)=0.43 j,D3, Cr=5.1, Cobalt=84, Fe=1280, Mn=11600, Mo=0.73, Se=2.4, Sr=807, SO4=79.3, Tl=0.54, TDS=772, V=0.21 j AB-3D (111-116): pH=7.3, Eh=148, Sb=0.65, As=16.5, Ba=14.2, Be=0.013 j, B=1710, Cd=<0.08, Cl=269, Cr (VI)=0.074 j,D3, Cr=2.6, Cobalt=2.2, Fe=678, Mn=172, Mo=6.8, Se=<0.5, Sr=408, SO4=25.7, Tl=<0.1, TDS=648, V=0.38 10/27/2017 12:12 PM P:\Duke Energy Carolinas\20. BELEWS CREEK\CSA UPDATE OCT 2017\DWG\DE BELEWS CSAUP BASE MAP.dwgDATE PRINTED:FILE PATH: 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=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): V=Vanadium (ug/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. WELL KEY LEGEND MW-06S WELL IN DEEP ZONE WELL IN SHALLOW MATERIAL T-1 MW-01BR WELL IN COMPETENT BEDROCK ABMW-07 WELL IN ASH PORE WATER WELL ABANDONED PIEZOMETER ABANDONEDP-100 ABMW-05S 500 ft COMPLIANCE BOUNDARY PARCEL LINE DUKE ENERGY (APPROXIMATE) ASH BASIN WASTE BOUNDARY MW-06D PIEZOMETER IN TRANSITION MATERIAL WATER SUPPLY WELL SAMPLED EXTRACTION WELL IN TRANSITION MATERIAL FB-02 WATER SAMPLE LOCATION AS-20 FIGURE 14-97 COMPREHENSIVE GROUNDWATER DATA BELEWS STEAM STATION 3195 PINE HALL RD BELEWS CREEK, NORTH CAROLINA DUKE ENERGY CAROLINAS FIG 14-97(GW DATA) ASHLEY ALBERT JOHN CHASTAIN 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 10/20/2017 10/20/2017 GWA-19D (38-43): k=0.004 GWA-19BR (79.4-84.4) BC8R2 S-8 S-9 S-16 SW-1A S-6 SW-10 S-11 S-10 S-15 ASH BASIN OUTLET STRUCTURE S-7 S-13 S-5 S-4 S-3 S-12 GRAPHIC SCALE 4002001000200 (IN FEET) S-16 AOW SAMPLE LOCATION PARCEL A (2.23 ACRES)S-2 MIDDLETON LOOPBC12 PINE HALL RDSW-AB1 BCSW019 STRUCTURAL FILL PINE HALL ROAD LANDFILL PINE HALL RDMIDDLETON LOOPRAILROAD 250 FOO T R E V I E W B O U N D A R Y BC4 SW-AB8 SW-AB6 SW-AB7 SW-AB5 SW-AB4 SW-AB3 SW-AB2 HD-21 HD-22 HD-24 HD-25 HD-26 HD-27 ABW TF3 HD-11A HD-7A TF1 HD-10 HD-9 MW2-3 ABMW-05SABMW-05S MW2-4 MW2-2 MW2-5 OB-1 MW2-1 S-14 GWA-4S NOTE: THE FOLLOWING WELLS WERE ABANDONED IN 2007-2008. NO COORDINATES AVAILABLE FOR MW2-7A, MW2-8, MW2-10, OB-6, 0B-7 OR OB-8. SW-AB9 SW-2 EW-1 EW-2 EW-1 T-2 T-3 T-1 T-4 WATER SUPPLY WELL NOT SAMPLED BC3 STREAM BY AMEC FOSTER WHEELER WETLAND BY AMEC FOSTER WHEELER WETLAND AND STREAM BOUNDARIES PROVIDED BY AMEC FOSTER WHEELER. NOTE THESE DO NOT APPEAR TO BE INCLUSIVE OF ALL THE BOUNDARIES AS SHOWN IN THE AMEC FOSTER WHEELER NRTR BELEWS CREEK REPORT. BCWW002 NATIONAL HYDROLOGIC DATASET (NHD) DOWNLOADED FROM THE USGS NHD VIEWER AT https://viewer.nationalmap.gov/basic/?basemap=b1&category=nhd&title=NHD%20View 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-BELEWS CREEK STEAM STATION BY WSP, JOB NUMBER 157002.00 AND DRAWING FILE NAME APRIL 2014_BELEWS_FINAL_10-30-15.DWG SAMPLE LOCATIONS WERE OBTAINED FROM HDR INFORMATION AND MAY BE APPROXIMATE IN SOME CASES. SOIL OR GEOTECHNICAL BORINGAB-5GTB AB-5GTB AB-6GTB BGSB-3 BGSB-1 GWA-9GTB SB-3 AB-1S (35-50): pH=5.8, Eh=396.8, Sb=<0.5, As=4, Ba=99.7, Be=0.061 j,B, B=8570, Cd=<0.08, Cl=478, Cr (VI)=0.33, Cr=7, Cobalt=32.3, Fe=211, Mn = 2150, Mo=0.22 j,B, Se=5, Sr=783, S04=145, Tl=0.37, TDS =1100, V=0.10 j AB-3S (36-51): pH=6.2, Eh=145.2, Sb=<0.5, As=1.2, Ba=166, Be=0.17 B, B=11200, Cd=0.051 j, Cl=473, Cr (VI)=<0.25 D3, Cr = 2.2, Cobalt = 11.4, Fe=1090, Mn=4230, Mo=5.6, Se=1, Sr=805, SO4=138, Tl=0.6, TDS=1180, V = 1.2 MW-101S MW-101D (32.3-37.3): pH=5, Eh=NM, Sb=NA, As=<1, Ba=362, Be=NA, B=4550, Cd=<1, Cl=430, Cr (VI)=NA, Cr=<1, Cobalt=NA, Fe=11.7, Mn=7580, Mo=NA, Se=<1, Sr=NA, SO4=23, Tl=NA, TDS=933, V=NA TF2 AB-4BR (137.5-142.5): pH=7.9, Eh=165.1, Sb=0.19 j, As=0.62, Ba=5.6, Be=0.14 j, B=28.6 j, Cd=<0.08, Cl=1.4, Cr (VI)=0.39, Cr=1.4, Co=0.034 j, Fe=39 j, Mn=11.8, Mo=5.9, Se=<0.5, Sr=79.3, SO4=6, Tl=<0.1, TDS=149, V=2.8 AB-4S (3-18): pH=7, Eh=72.4, Sb= <0.5, As = 89.7, Ba=101, Be=0.024 j, B=7960, Cd=<0.08, Cl=304, Cr (VI) = <0.12 D3, Cr = 0.230 j, Co=0.099, Fe=12200, Mn=440, Mo=16.1, Se=<0.5, Sr=1500, S=228, Tl=<0.1, TDS=1120, V=0.25 j AB-4SL (51.3-61.3): pH=11.1, Eh=96.3, Sb=9.3, As=61.3, Ba=186, Be=0.091 j, B=14200, Cd=0.28 B, Cl=8.5, Cr (VI) =<0.12 D3, Cr=0.89, Co=0.32, Fe=181, Mn=<5, Mo=3460, Se=29.7, Sr=2660, SO4=213, Tl=0.079 j, TDS=528, V=948 AB-5D (97-102): pH=6.6, Eh=319.3, Sb=0.18 j, As=0.7, Ba =11.4, Be=0.010 j,B, B=37 j, Cd=<0.08, Cl=0.8 j, Cr (VI)=0.5, Cr=0.69 B, Co=0.054 j, Fe=<50, Mn=3.7 j, Mo=2.4, Se=0.4j, Sr=52.9, SO4=6.3, Tl=0.018 j,B, TDS=109, V=3.7 AB-5S (3-18): pH=8.6, Eh=108.4, Sb=0.13 j, As=98.5, Ba=156, Be=0.093 j,B, B=937, Cd=<0.08, Cl=11, Cr (VI)=0.062 M1, Cr=0.44 j,B, Co= 0.06 j, Fe=400, Mn=62.7, Mo=26.6, Se=0.38 j, Sr=284, SO4=24.9, Tl=<0.1, TDS=140, V=0.24 j AB-5SL (34-44): pH=10.1, Eh=162.7, Sb=6.8, As=55, Ba=255, Be=0.20 j,B, B= 11300, Cd=<0.08, Cl=426, Cr (VI)=0.13 j, Cr=1.3 B, Co=0.056 j, Fe=<50, Mn=<5, Mo=364, Se=5.5, Sr=4450, SO4= 191, Tl=0.062 j,B, TDS=1330, V=194 AB-7S (5-15): pH=5.29, Eh=354.4, Sb=<0.5, As=14.5, Ba=54, Be=0.59, B =20800, Cd=1.2, Cl=884, Cr (VI)=<0.12 D3, Cr=2.6, Co=28.5, Fe=10300, Mn=2040, Mo=0.93, Se=7, Sr=1530, SO4=298, Tl=1.8, TDS=2260, V=0.14 j AB-7D (84-89): pH=6.7, Eh=288.5, Sb=<0.5, As=0.22, Ba=20.6, Be=<0.1, B=<50, Cd=<0.08, Cl=4.1, Cr (VI)=0.047, Cr=0.42 j, Co=0.11 B, Fe=121, Mn=26, Mo=1.9, Se=0.52, Sr=44.5, SO4=9.6, Tl=<0.1, TDS=86, V=0.84 AB-8D (72-77): pH=5.9, Eh=373.4, Sb=<0.5, As=0.95, Ba=7.5, Be=0.044 j,B, B = 26.8 j, Cd=<0.08, Cl=12.7, Cr (VI)=0.02 j, Cr = 0.76 B, Co=0.45, Fe=<50, Mn=39.9, Mo=0.26 j,B, Se=<0.5, Sr=65.7, SO4=0.7 j, Tl=0.027 j,B, TDS=93, V=0.23 j AB-8S (4-19): pH=5.8, Eh=308.6, Sb=1.2, As=1.7, Ba=90.89999, Be=0.18 B, B=234, Cd=1.8, Cl=4.7, Cr (VI)=<0.025, Cr=2.1, Co=15.8, Fe=1260, Mn=84.6, Mo=5.3, Se=15.3, Sr = 244, SO4=35.7, Tl=4.8, TDS=123, V=1.8 AB-9BR (130-135): pH=7.6, Eh=73.5, Sb=0.16 j, As=12.4, Ba=20.5, Be=<0.1, B=<50, Cd=<0.08, Cl=4.3, Cr (VI)=<0.025, Cr=1.9, Co=0.44, Fe=368, Mn=415, Mo=2.2, Se=<0.5, Sr=119, SO4=12.9, Tl=<0.1, TDS=177, V=0.1 j AB-9D (90-95): pH=6.9, Eh=285.9, Sb=2.8, As=1.1, Ba=15.8, Be=<0.1, B=62.5, Cd=0.069 j, Cl=6.2, Cr (VI)=0.011 j, Cr=0.37 j, Co=0.33, Fe=39.4 j, Mn=84, Mo=2.2, Se=<0.5, Sr=108, SO4=11.4, Tl=<0.1, TDS=177, V=0.4 AB-9S (13-28): pH=5.2, Eh=460.9, Sb=<0.5, As=0.099, Ba=56.1, Be=0.081 j, B=<50, Cd=<0.08, Cl=5.7, Cr (VI)=<0.025, Cr=0.36 j, Co=13.6, Fe=292, Mn=495, Mo=<0.5, Se=<0.5, Sr=6.7, SO4=<1, Tl=0.082 j, TDS=40, V=0.2 j BG-1D (47-52): pH=6.9, Eh = 366.1, Sb=<0.5, As=0.099, Ba=6.6, Be=.049 j, B=45.6 j, Cd=<0.08, Cl=7.7, Cr (VI)=0.12, Cr=0.41 j, Co=0.2, Fe=226, Mn=13.2, Mo=0.29 j, Se=<0.5, Sr=71.4, SO4=11, Tl=0.056 j, TDS=100, V=0.093 j BG-2BRA (98-103): pH=7.6, Eh=190.4, Sb=0.28 j, As=0.42, Ba=3.9 j, Be=0.087 j, B=<50, Cd=<0.08, Cl=2.5, Cr (VI)=0.052, Cr=34.7, Co=0.76, Fe=228, Mn=87.1, Mo=1.4, Se=<0.5, Sr=78.3, SO4=9.6, Tl=<0.1, TDS=131, V=0.64 B BG-2D (70-75): pH=6.4, Eh=427.6, Sb=<0.5, As=0.11, Ba=5.1, Be=<0.1, B=<50, Cd=<0.08, Cl=14, Cr (VI) = 0.13, Cr=0.55, Co=0.024 j, Fe=52.2, Mn=2.7 j, Mo=0.57, Se=<0.5, Sr=41.6, SO4=2.7, Tl=<0.1, TDS=96, V=1.2 BG-2S (40-55): pH=5.8, Eh =406.1, Sb=<0.5, As=0.099, Ba=118, Be=0.075 j,B, B=<50, Cd=0.068 j, Cl=14, Cr (VI) = 1.5, Cr=3.4, Co=0.18, Fe=467, Mn=11.8, Mo=0.18 j,B, Se=<0.5, Sr=45.9, SO4=1.1, Tl=0.038 j,B, TDS=77, V=1.3 BG-3D (62-67): pH=6.1, Eh=108.7, Sb=<0.5, As=0.099, Ba =14.8, Be=0.058 j, B =<50, Cd =<0.08, Cl=5, Cr (VI)=0.073, Cr=2.2, Co=0.063 j, Fe=99.4, Mn=3.8 j, Mo=<0.5, Se=<0.5, Sr=52.8, SO4=0.52 j, Tl=<0.1, TDS=64, V=0.57 BG-3S (25-40): pH=5.4, Eh=364.5, Sb=<0.5, As=0.12, Ba=42.6, Be=0.23, B=<50, Cd=<0.08, Cl=2.4, Cr (VI)=0.5, Cr=1.4, Co=0.3, Fe=666, Mn=18.5, Mo=<0.5, Se=<0.5, Sr=27.2, SO4=<1, Tl=0.041 j,B, TDS=53, V=1.2 GWA-1D (58-63): pH=6.5, Eh=311.6, k=0.05, Sb=1.6, As=1.6, Ba=10.8, Be=0.035 j, B=<50, Cd=<0.08, Cl=52.1, Cr (VI)=0.053, Cr=10, Co= 5, Fe=246, Mn=23.9, Mo=1.6, Se=<0.5, Sr=102, SO4=7.7, Tl=0.022 j, TDS=173 D6, V=0.61 GWA-1S (19-34): pH=4.8, Eh = 518.8, k = 1.51, Sb=0.55, As=0.47, Ba=298, Be=6.2, B=729, Cd=0.29, Cl=88.6, Cr (VI)=0.29, Cr=289 M1, Co=7.2, Fe=1230, Mn=187, Mo=6.2, Se=0.37 j, Sr=116, SO4=<1, Tl=0.29, TDS=201, V=1.4 GWA-2D (58-63): pH=6.2, Eh=377.1, Sb=<0.5, As=3.7, Ba=<5, Be=0.067 j, B=<50, Cd=<0.08, Cl=1.5, Cr (VI)=0.087, Cr=1.6, Co=0.35, Fe=39.5 j, Mn=34.9, Mo=0.64, Se=<0.5, Sr=25.7, SO4=0.93 j, Tl=<0.1, TDS=59, V=0.51 B GWA-2S (34-49): pH=5.3, Eh=475.8, Sb=<0.5, As=1.2, Ba=17, Be=0.25, B=<50, Cd=<0.08, Cl=1.3, Cr (VI)=0.096 j,D3, Cr=2, Co=0.44, Fe=621, Mn=18.3, Mo=<0.5, Se=<0.5, Sr=3.3 j, SO4=<1, Tl=0.048 j, TDS=<25, V=0.66 B GWA-3D (45-50): pH=6.1, Eh=308.1, Sb=<0.5, As=0.12, Ba=25.1, Be=0.047 j, B=<50, Cd=<0.08, Cl=9.9, Cr (VI)=0.79, Cr=5.4, Co=0.16, Fe=179, Mn=7.8, Mo=<0.5, Se=<0.5, Sr=111, SO4=<1, Tl=<0.1, TDS=83, V=1 GWA-3S (27-42): pH=5.9, Eh=346, Sb=<0.5, As=0.18, Ba=72.2, Be=0.026 j, B=<50, Cd=<0.08, Cl=7.7, Cr (VI) = 0.17, Cr=269, Co=2.5, Fe = 1240, Mn=119, Mo=6.5, Se=<0.5, Sr=131, SO4=0.56 j, Tl=<0.1, TDS=88, V=1.6 GWA-22S (NM-NM): pH=5.8, Eh=384.7, k=0.419, Sb=0.22 j, As=0.2, Ba=<5, Be=0.03 j, B=<50, Cd=<0.08, Cl=2, Cr (VI) = 1.2, Cr = 2.1, Co=0.97, Fe=129, Mn=137, Mo=0.57, Se=<0.5, Sr=47.2, SO4=10.6, Tl=0.017 j, TDS=80, V=0.54 MW-201BR (98-103): pH=7.9, Eh=113.4, k=0.595, Sb=<0.5, As=0.37, Ba=<5, Be=<0.1, B=<50, Cd=<0.08, Cl=4.8, Cr (VI)= 0.017 j, Cr=0.79, Co=0.02 j, Fe=76.8, Mn=38.3, Mo=12.5, Se=<0.5, Sr=39.3, SO4=8.4, Tl=<0.1, TDS=111, V=0.16 j MW-201D (34.1-44.1): pH = 6.09, Eh = 670, Sb=<1, As=<1, Ba=5, Be=<1, B = <50, Cd=<1, Cl=4.4, Cr (VI)=NA, Cr=<5, Co=<1, Fe=175, Mn=5, Mo=<1, Se=<1, Sr=72, SO4=1.3, Tl=<0.2 B3, TDS=120, V=1.61 GWA-17D (50-55): pH=6.9, Eh=102.8, Sb=0.1 j, As=0.18, Ba=9.1, Be=0.015 j, B=39.1 j, Cd=<0.08, Cl=0.93 j, Cr (VI) = <0.12 D3, Cr=1.4, Co=0.19, Fe=2100, Mn=56.4, Mo=0.3 j, Se=<0.5, Sr=44.2, SO4=12.6, Tl=<0.1, TDS=109, V=0.13 j GWA-17S (25-40): pH=5.4, Eh=427.4, Sb=<0.5, As=0.18, Ba=56.7, Be=0.037 j, B=25.9 j, Cd=0.12, Cl=1, Cr (VI)=0.15, Cr=2.8, Co= 14, Fe=579, Mn=207, Mo=0.29 j, Se=<0.5, Sr=12.2, SO4=17.5, Tl=0.037 j, TDS=58, V=0.8 GWA-9BR (115.8-120.8): pH=6.1, Eh=310.6, k=0.304, Sb=<0.5, As=0.16, Ba=<5, Be = 0.025 j, B=211, Cd=0.34, Cl=52.7, Cr (VI)=0.076, Cr=0.98, Co=0.38, Fe=68, Mn=375, Mo=2.6, Se=<0.5, Sr=78.3, SO4=1.2, Tl=<0.1, TDS=254, V=0.4 GWA-9D (83-88): pH=6.2, Eh=390.1, Sb=1.2, As=0.24, Ba=8.7, Be=0.047 j, B =<50, Cd=<0.08, Cl=30.7, Cr (VI)=0.11, Cr=3.1, Co=1.6, Fe=161, Mn=17.2, Mo=2.3, Se=<0.5, Sr=82.6, SO4=5, Tl=<0.1, TDS=135, V=0.55 GWA-9S (36-51): pH=5.1, Eh=514.2, Sb=<0.5, As = 0.15, Ba=81.1, Be=0.37, B=<50, Cd=0.073 j, Cl=2.7, Cr (VI)=0.16, Cr=2.6, Co=0.71, Fe=374, Mn=19.6, Mo=0.12 j, Se=<0.5, Sr=6.9, SO4=0.67 j, Tl=0.12 B, TDS=27, V=0.29 j MW-203BR (94-99): pH=6.7, Eh=347.1, Sb=0.13 j, As=0.14, Ba=<5, Be = 0.012 j, B=<50, Cd=<0.08, Cl=6, Cr (VI)=0.52, Cr=3.4, Co=0.099, Fe=75.8, Mn=3.9 j, Mo=2.3, Se=<0.5, Sr=43.6, SO4=2.1, Tl=<0.1, TDS=106, V=3 MW-203D (86.9-91.9): pH=6.4, Eh=656, Sb=<1, As=<1, Ba=9, Be=<1, B=<50, Cd=<1, Cl=2.9, Cr (VI)=NA, Cr=<5, Co=<1, Fe=166, Mn=5, Mo=1.4, Se=<1, Sr=35, SO4=1.3, Tl=<0.2 B3, TDS=110, V=3.93 MW-203S (27.5-42.5): pH=5.48, Eh=709, Sb=<1, As=<1, Ba=48, Be=<1, B=<50, Cd=<1, Cl=1.8, Cr (VI)= NA, Cr=<5, Co=<1, Fe=<10, Mn=5, Mo=<1, Se=<1, Sr=19, SO4=0.19, Tl=<0.2 B3, TDS=45, V=0.321 GWA-18SA (11-26): pH=5.7, Eh=278.7, k=0.591 Sb=<0.5, As=0.76, Ba=117, Be=0.56, B=112, Cd=0.19, Cl=56.6, Cr (VI)=<0.03, Cr=2.8, Co=39.4, Fe=218, Mn=2410, Mo=0.2 j, Se=0.71, Sr=72.4, S=2.8, Tl=0.44, TDS=169, V=0.1 j GWA-10S (4-19): pH=4.5, Eh=140.6, Sb=<0.5, As=5.2, Ba=373, Be=1.7, B=97.2, Cd=0.25, Cl=73.1 M1, Cr (VI)=<0.12 D3, Cr=0.36 j,B, Co=54, Fe=91.7, Mn=1370, Mo=<0.5, Se=23.1, Sr=25.2, SO4=<1, Tl=0.26, TDS=147, V=0.16 j GWA-20D (55-60): pH=5.1, Eh=471, k=1.146, Sb=<0.5, As=3.2, Ba=58.7, Be=1.5, B=9890, Cd=2, Cl=478, Cr (VI)=<0.12 D3, Cr=1.5, Co=3.4, Fe=64.6, Mn=2290, Mo=0.39 j, Se=0.9, Sr=1020, SO4=55.9, Tl=0.2, TDS=1080, V=<0.3 GWA-20BR (81-86): pH=8.8, Eh=124.7, k=0.009, Sb=0.91, As=60.4, Ba=3.7 j, Be=0.019 j, B=54.5, Cd=<0.08, Cl=28.4, Cr (VI)=0.029, Cr=0.81 B, Co=0.064 j, Fe=55.4, Mn=8, Mo=19, Se=<0.5, Sr=54, SO4=23.2, Tl=<0.1, TDS=167, V=1 GWA-20SA (NM-NM): pH=4.9, Eh=640.7, k=1.147, Sb=<0.5, As=4.3, Ba=282, Be=5.5, B=11200, Cd=1.4, Cl=489, Cr (VI)=0.064 j,D3, Cr=1.8, Co=20, Fe=435, Mn=5640, Mo=0.24 j, Se=1.7, Sr=569, SO4=80.3, Tl=0.4, TDS=1160, V=<0.3 GWA-18S (11-26): pH=5.8, Eh=278.3, Sb=<0.5, As=2.2, Ba=30.7, Be=0.066 j, B=28 j, Cd=<0.08, Cl=21.5, Cr (VI)=<0.09, Cr=1.3, Co=20.6, Fe=1400, Mn=2550, Mo=0.45 j, Se=0.53, Sr=24.2, SO4=9.4, Tl=0.16, TDS=125, V=0.38 GWA-19S (4-19): pH=4.2, Eh=598.4, k=0.29, Sb=<0.5, As=4.2, Ba=516, Be=7, B=1320, Cd=0.46, Cl=157, Cr (VI)=0.041, Cr=4.1, Co=40, Fe=225, Mn=1240, Mo=<0.5, Se=30.9, Sr=89.2, SO4=0.67 j, Tl=0.38, TDS=299, V=0.35 GWA-19SA (5-20): pH=4.2, Eh=428.6, k=0.346, Sb=<0.5, As=3.7, Ba=746, Be=8.2, B=2110, Cd=0.55, Cl=180, Cr (VI)=0.079 j, Cr=0.84 B, Co=50.1, Fe=420, Mn=2120, Mo=<0.5, Se=20.2, Sr=146, SO4=1, Tl=0.51, TDS=339, V=0.42 GWA-31D (55-60): pH=6.9, Eh=155.2, Sb=<0.5, As=0.29, Ba=4.4 j, Be=0.15, B=<50, Cd=<0.08, Cl=1.7, Cr (VI)=<0.025, Cr=0.57, Co=0.044 j, Fe=814, Mn=40.8, Mo=0.33 j, Se =<0.5, Sr=55, S=5.4, Tl=<0.1, TDS=92, V=0.22 j,B GWA-31S (5-20): pH = 5, Eh = 560.3, Sb=<0.5, As=0.91, Ba=15.8, Be=0.29, B=<50, Cd=<0.08, Cl=2.4, Cr (VI)=0.48 j,D3, Cr=1.2, Co=0.26, Fe=562, Mn=13.2, Mo=<0.5, Se=<0.5, Sr=13.9, SO4=0.6 j, Tl=0.019 j, TDS=<25, V = 0.86 GWA-21D (24.6-29.6): pH=5, Eh=539.7, k=0.71, Sb=<0.5, As=0.22, Ba=236, Be=5.9, B=264, Cd=0.87, Cl=217, Cr (VI)=0.075 M1, Cr=1.8 B, Co=1.5, Fe=<50, Mn=53, Mo=<0.5, Se=0.4 j, Sr=570, SO4=0.72 j, Tl=0.29, TDS=452, V=<0.3 GWA-21S (6-16): pH=4.7, Eh=569.5, k=7.701, Sb=<0.5, As=0.64, Ba=408, Be=9.9, B=184, Cd=0.61, Cl=144, Cr (VI)=0.045, Cr=0.49 j,B, Co=20.6, Fe=<50, Mn=236, Mo=<0.5, Se=4.1, Sr=214, SO4=0.63 j, Tl=0.34, TDS=238, V=<0.3 GWA-10DA (64.5-69.5): pH=7, Eh=321.1, Sb=0.2 j, As=1.6, Ba=4.20 j, Be=0.033 j, B=<50, Cd=<0.08, Cl=3.8, Cr (VI)=0.11, Cr=61.7 M1, Co=1, Fe=437, Mn=29.2, Mo=1.9, Se=<0.5, Sr=58.8, SO4=4.4, Tl=0.061 j,B, TDS=74, V=0.74 GWA-27D (38-43): pH = 5.7, Eh = 402.9, k=0.623, Sb=<5, As=1.1, Ba=56.6, Be=1.6, B=5420, Cd=1.6, Cl=393, Cr (VI)=0.013 j, Cr=<5, Co=15.4, Fe=214, Mn=2080, Mo=1.2 j, Se=<5, Sr=918, SO4=10.3, Tl=0.46 j, TDS=990, V=<3 GWA-27S (7-22): pH=4.5, Eh=523.6, k=0.33, Sb=0.18 j, As=1.1, Ba=153, Be=1.3, B=155, Cd=0.12, Cl=51.9, Cr (VI)=0.019 j, Cr=4.1, Co=65.2, Fe=550, Mn=2370, Mo=0.15 j, Se=5.8, Sr=28.4, So4=2.3, Tl=0.17, TDS=108, V=0.08 j GWA-11D (63-68): pH=5, Eh=259.4, Sb=0.160 j, As=3.8, Ba=20.5, Be=0.14, B=147, Cd=<0.08, Cl=235, Cr (VI)=<0.12 D3, Cr=13.1, Co=2.8, Fe=3270, Mn=176, Mo=0.58, Se=<0.5, Sr=520, SO4=6.2, Tl=<0.1, TDS=464, V=0.41 GWA-11S (23-38): pH=4.5, Eh=559.2, Sb=<0.5, As=1.7, Ba=605, Be=11.5, B=852, Cd=0.84, Cl=231, Cr (VI)=0.48 j,D3, Cr = 14.7, Co=11.5, Fe=348, Mn=173, Mo=0.28 j, Se=8.7, Sr=456, SO4=<1, Tl=0.36, TDS=424, V=0.59 GWA-32D (74-79): pH=7.3, Eh=3.6, Sb=<0.5, As=0.26, Ba=11.5, Be=0.020 j, B=44.4 j, Cd=<0.08, Cl=87.8, Cr (VI)=<0.12 D3, Cr=0.75, Cobalt = 0.019 j, Fe=2070, Mn=354, Mo=0.27 j, Se=<0.5, Sr=181, SO4=22.5, Tl=<0.1, TDS=317, V=<0.3 GWA-32S (14-29): pH=6.3, Eh=158.2, Sb=<0.5, As=35.1, Ba=11.3, Be=0.082 j, B=<50, Cd=<0.08, Cl=42.6, Cr (VI)=<0.12 D3, Cr=2.3, Co=60.9, Fe=38400, Mn=11100, Mo=0.94, Se=<0.5, Sr=<5, So4=0.64 j, Tl=0.44, TDS=135, V=<0.3 MW-103D (22.5-29.5): pH=4.7, Eh=468, Sb=<0.5, As=0.5, Ba=574, Be=6.1, B=1570, Cd=3.3, Cl=292, Cr (VI)=<0.12 D3, Cr=0.3 j, Co=85.6, Fe=977, Mn=8140, Mo=<0.5, Se=0.9899999, Sr=507, SO4=2.1, Tl=2, TDS=620 D6, V=<0.3 MW-103S (8.43-13.43): pH=6.5, Eh=103.1, Sb=<0.5, As=74.5, Ba=53, Be=0.041 j, B=1320, Cd=<0.08, Cl=248, Cr (VI)=<0.25 D3, Cr=1.5, Co=51, Fe=88300, Mn=8480, Mo=0.23 j, Se=<0.5, Sr=158, SO4=<1, Tl=0.18, TDS=568, V=<0.3 GWA-12BR (106-111): pH=7.9, Eh=106.5, Sb=0.27 j, As=1.7, Ba=4.5 j, Be=0.020 j, B=<50, Cd=<0.08, Cl=2.3, Cr (VI)=0.031, Cr=0.74 B, Co=0.082 j, Fe=190, Mn=56.6, Mo=10.5, Se=<0.5, Sr=49.3, SO4=5.7, Tl=<0.1, TDS=104, V=0.39 GWA-12D (63-68): pH=6.1, Eh=388.1, Sb=<0.5, As=0.12, Ba=13.4, Be=0.036 j, B=<50, Cd=<0.08, Cl=1.1, Cr (VI)=0.052, Cr=0.45 j,B, Co=0.17, Fe=140, Mn=27.4, Mo=0.44 j, Se=<0.5, Sr=21.2, SO4=0.97 j, Tl=<0.1, TDS=47, V=0.53 GWA-12S (40-55): pH=5.8, Eh=407.2, Sb=<0.5, As=0.058 j, Ba=24.9, Be=0.020 j, B=<50, Cd=0.077 j, Cl=0.77 j, Cr (VI)=0.099, Cr=1.9 B, Co=0.099 j, Fe=50.8, Mn=19.1, Mo=0.12 j, Se=<0.5, Sr=18.9, SO4=<1, Tl=0.023 j, TDS=29, V=0.23 j GWA-23S (22.2-37.2): pH=5.5, Eh=455.8, k=0.219, Sb=0.170 j, As=0.25, Ba=62.9, Be=0.18, B=2270, Cd=0.17, Cl=7.9, Cr (VI)=0.27, Cr=0.89, Co=5.4, Fe=399, Mn=131, Mo=0.58, Se=6.8, Sr=600, SO4=666, Tl=<0.1, TDS=1080, V=0.79 GWA-23D (54.1-59.1): pH=6.6, Eh=262.6,k=0.344 Sb=0.28 j, As=0.4, Ba=49.5, Be=0.11, B=7,150 M1, Cd=0.54, Cl=10.7, Cr (VI)=8.3, Cr=13.3, Co=37.3, Fe=306, Mn=149, Mo=19.4, Se=11.3, Sr=887, SO4=1270, Tl=<0.1, TDS=1820, V=0.42 MW-3 (37.26-47.26): pH=5.56, Eh=682, Sb=<1, As=0.184 j, Ba=56.2, Be=<5, B=5.38 j, Cd=<1, Cl=11.1, Cr (VI)=NA, Cr=4.75 j, Co=0.151 j, Fe=306, Mn=6.25, Mo=NA, Se=<1, Sr=NA, SO4=0.276, Tl=<0.2, TDS=41, V=1.03MW-7 (1.2-11.2): pH=5.32, Eh=623, Sb=NA, As=NA, Ba=NA, Be= NA, B=5251, Cd=NA, Cl=NA, Cr (VI)=NA, Cr=NA, Co=<1, Fe=265, Mn=59.2, Mo=NA, Se=47.2, Sr=NA, SO4=247.7, Tl=NA, TDS=522, V=<1 MW-2 (37.4-47.4): pH=5.8, Eh=589, Sb=0.49 j, As=<1, Ba=72.9, Be=0.35 j, B=8.16 j, Cd=<1, Cl=6.87, Cr (VI)=NA, Cr=1.3 j, Co=0.17 j, Fe=311, Mn=13.7, Mo=NA, Se=<1, Sr=NA, SO4=0.208, Tl=<0.2, TDS=67, V=0.58 j MW-6 (24.3-34.3): pH=5.38, Eh=674, Sb=<1, As=0.088 j, Ba=68.4, Be=<5, B=4.4 j, Cd=<1, Cl=8.070001, Cr (VI)=NA, Cr=<5, Co=0.23 j, Fe=49.5, Mn=1.91 j, Mo=NA, Se=<1, Sr=NA, S=0.0454 j, Tl=<0.2, TDS=53, V=0.515 j GWA-7D (79-84): pH=7.8, Eh=263.8, Sb=0.65, As=2, Ba=2.3, Be=<0.1, B=<50, Cd=<0.08, Cl=21.9, Cr (VI)=0.68, Cr=1.1, Co=0.072 j, Fe=35.6 j, Mn=2.7 j, Mo=1.8, Se=<0.5, Sr=260, SO4=4, Tl=<0.1, TDS=191, V=2.3 GWA-7S (27.5-42.5): pH = 4.8, Eh = 244, Sb = <0.5, As = 0.12, Ba = 203, Be = 3.8, B = 80.3, Cd = 0.11, Cl = 19.2, Cr (VI) = 0.61, Cr = 1.4, Cobalt = 20.4, Fe = 902, Mn = 317, Mo = <0.5, Se = 0.7, Sr = 20.4, S = 17.2, Tl = 0.05 j, TDS = 84, V = 0.58 GWA-7SA (NM-NM): pH=4.7, Eh=527.9, Sb=<0.5, As=0.044 j, Ba=211, Be=3.1, B=64, Cd=0.09 B, Cl=18.8, Cr (VI)=0.59, Cr=1.1, Co=12.6, Fe=287, Mn=246, Mo=<0.5, Se=0.32 j, Sr=29.1, SO4=11.4, Tl=0.07 j, TDS=72, V=0.69 GWA-6D (101-106): pH=7.4, Eh=169.4, Sb=<0.5, As=2.4, Ba=19.5, Be=<0.1, B=<50, Cd=<0.08, Cl=3.6, Cr (VI)= 0.27, Cr=0.52, Co=0.42, Fe=752, Mn=393, Mo=7.2, Se=<0.5, Sr=129, SO4=6, Tl=<0.1, TDS=145, V=0.41 B GWA-6S (28-43): pH=4.9, Eh=542.9, Sb=0.24 j, As=0.29, Ba = 110, Be=1.5, B=25.3 j, Cd=0.52, Cl=7.8, Cr (VI)=0.31 M1, Cr=1.5 B, Co=0.78, Fe=467, Mn=318, Mo=0.15 j, Se=<0.5, Sr=25.2, SO4=9.8, Tl=0.26, TDS=50, V=1 MW-104D (78.02-83.02): pH=6.8, Eh=315.2, Sb=0.98, As=0.28, Ba=16.5, Be=0.016 j,B, B=<50, Cd=<0.08, Cl=1.2, Cr (VI)=1.7, Cr=1.9, Co=0.14, Fe=264, Mn=22.5, Mo=2.5, Se= <0.5, Sr=89, SO4=2.5, Tl=<0.1, TDS=79, V=4.1 MW-104S (35.64-45.64): pH=5.4, Eh=379.3, Sb=0.24 j, As=0.041 j, Ba=73.4, Be=0.12, B=<50, Cd=<0.08, Cl=0.85 j, Cr (VI)=0.64, Cr=1.9, Co=0.081 j,B, Fe=151, Mn=7.2, Mo=<0.5, Se=<0.5, Sr=32.2, SO4=<1, Tl=0.06 j, TDS=51, V=0.41 MW-5 (48.82-58.82): pH=5.62, Eh=682, Sb=<1, As=0.601 j, Ba=33.6, Be=<5, B=4.09 j, Cd=<1, Cl=2.04, Cr (VI)=NA, Cr=1.58 j, Co=<1, Fe=354, Mn=10, Mo=NA, Se=0.122 j, Sr=NA, SO4=0.105, Tl=<0.2, TDS=37, V=0.947 j GWA-26BR (83-88): k=0.118 GWA-26D (63-68): pH=6.1, Eh=269.7, k=25.96, Sb=<0.5, As=0.064 j, Ba=34.8, Be=0.078 j, B=30.7 j, Cd=0.24, Cl=9.6, Cr (VI)=0.042, Cr=0.95, Co=0.34, Fe=165, Mn=124, Mo=1.1, Se=<0.5, Sr=43.6, SO4=1.6, Tl=0.027 j, TDS=87, V=0.18 j GWA-26S (33-48): pH=5.6, Eh=279.3, k=3.115, Sb=0.18 j, As=0.067 j, Ba=53.6, Be=0.12, B=<50, Cd=0.057 j, Cl=6.4, Cr (VI) = 0.52, Cr = 0.88, Cobalt = 0.2, Fe = 105, Mn=60.4, Mo=<0.5, Se=<0.5, Sr=24.5, SO4=5.1, Tl=0.068 j, TDS=53, V=0.2 j MW-1D (82.4-87.4): pH=6.37, Eh=659, Sb=<1, As = <1, Ba=0.918 j, Be=<5, B=9.52 j, Cd=<1, Cl=7.960001, Cr (VI) = NA, Cr=<5, Co=<1, Fe=1.91 j, Mn=1.73 j, Mo=NA, Se=<1, Sr = NA, S = 0.961, Tl=<0.2, TDS=84, V=0.454 j MW-1 (35.06-45.06): pH=4.85, Eh=740, Sb=<1, As=0.171 j, Ba=20.7, Be=<5, B=9.53 j, Cd=<1, Cl=2.18, Cr (VI)=NA, Cr=<5, Co=1.07, Fe=415, Mn=31.7, Mo=NA, Se=<1, Sr=NA, SO4=1.19, Tl=<0.2, TDS=38, V=0.531 j GWA-5D (51.8-56.8): pH=7, Eh=293.8, Sb=0.19 j, As = 0.15, Ba=7.3, Be=<0.1, B=<50, Cd=<0.08, Cl=3.9, Cr (VI)=0.19, Cr=1.5 B, Co=0.26, Fe=72, Mn=259, Mo=1.3, Se=<0.5, Sr=158, SO4=4.1, Tl=<0.1, TDS=158, V=0.89 GWA-5S (23-38): pH=5.8, Eh=386.8, Sb=<0.5, As=0.065 j, Ba=20.3, Be=0.063 j, B=<50, Cd=<0.08, Cl=2.1, Cr (VI)=0.54, Cr=1.1 B, Co=0.23, Fe=292, Mn=84.9, Mo=<0.5, Se=<0.5, Sr=74.9, SO4=<1, Tl=<0.1, TDS=38, V=0.4 GWA-4D (64-69): pH=6.4, Eh=330.4, Sb=0.13 j, As=0.16, Ba=47, Be=0.023 j, B=<50, Cd=<0.08, Cl=6.5, Cr (VI)=0.66, Cr = 0.95 B, Co=0.87, Fe=<50, Mn=12.8, Mo=0.16 j, Se=<0.5, Sr=179, S=0.71 j, Tl=0.046 j, TDS=147, V=0.99 BG-2BR (80.5-85.5) MW-4 (28.72-38.72): pH=5.95, Eh=487, Sb=0.309 j, As=0.101 j, Ba=5.56, Be=<5, B=718, Cd=<1, Cl=2.52, Cr (VI)=NA, Cr=14, Co=0.295 j, Fe=564, Mn=9.16, Mo=NA, Se=15.8, Sr=NA, SO4=80.4, Tl=<0.2, TDS=186, V=3.36 MW2-7 (13.4-28.4): pH = 5.09, Eh = 767, Sb=<1, As=0.433 j, Ba=23.1, Be=2.27 j, B=22700, Cd=0.871 j, Cl=14.1, Cr (VI)=NA, Cr=<5, Co=0.41 j, Fe=36, Mn = 435, Mo=NA, Se=202, Sr=NA, SO4=1320, Tl=<0.2, TDS=1850, V=0.455 j MW2-9 (2-12): pH=5.84, Eh=698, Sb = <1, As=0.621 j, Ba=59.1, Be=<5, B=325, Cd=<1, Cl=3.9, Cr (VI)=NA, Cr=9.07, Co=0.822 j, Fe=1630, Mn=162, Mo=NA, Se=0.879 j, Sr=NA, SO4=64, Tl=<0.2, TDS=197, V=1.8 OB-5 (18.8-33.8): pH = 5.2, Eh = 676, Sb=<1, As=0.245 j, Ba=101, Be=<5, B=6.35 j, Cd=0.115 j, Cl=3.41, Cr (VI)=NA, Cr=<5, Co=0.131 j, Fe=199, Mn=21.3, Mo=NA, Se= <1, Sr=NA, SO4=7.09E-02 j, Tl=<0.2, TDS=21 j, V=0.475 j GWA-8D (89-94): pH=6.9, Eh=116.5, Sb=0.32 j, As=0.66, Ba=7, Be=0.042 j, B=<50, Cd=<0.08, Cl=5.3, Cr (VI)=0.0092 j, Cr=0.51 B, Co=0.12, Fe=861, Mn=53, Mo=3.6, Se=<0.5, Sr=57.6, SO4=10.7, Tl=0.039 j, TDS=122, V=0.29 j GWA-8S (20-35): pH=5.3, Eh=464.7, Sb=<0.5, As=0.18, Ba=54.4, Be=1.2, B=482, Cd=0.15, Cl=3.9, Cr (VI)=0.11, Cr=0.58 B, Co=0.21, Fe=132, Mn=91.5, Mo=<0.5, Se=27.8, Sr=314, SO4=102, Tl=0.051 j, TDS=207, V=0.34 AB-9BRD (191-196) OB-9 (36-46): pH=5.04, Eh=777, Sb=<1, As=0.578 j, Ba=12.9, Be=1.55 j, B=26700, Cd=2.4, Cl=11.4, Cr (VI)=NA, Cr=<5, Co=0.445 j, Fe=<10, Mn=1840, Mo=NA, Se=300, Sr=NA, SO4=1160, Tl=<0.2, TDS=1530, V=0.138 j MW-104BR (144-149) GWA-22D (29-34) k=0.035 BG-1S (26.1-41.3) AB-2S (31-46): k=1.19 AB-1BR (93.9-98.9): k=335967.89 AB-4BRD (157.3-162.3) GWA-16D (58-63): k=0.41 GWA-16BR (98.5-103.5): k=0.001 GWA-1BR (110-120) GWA-24S (5-10) GWA-5BR (51-56) GWA-10D (50-55): GWA-27BR (108-113): k=0.062 GWA-5BR2 (80-85): k=330.77 GWA-20S (7-22) GWA-25BR (51-56): k=0.01 BC26: pH=5.9, Eh=NM, Sb=<0.5, As=1.9, Ba=0.5, Be=<0.2, B=<5, Cd=0.18, Cl=4, Cr (VI)=NA, Cr=NA, Co=<0.5, Fe=<50, Mn=2.1, Mo=4, Se=<0.5, Sr=56.4, SO4=8.2, Tl=<0.1, TDS=112, V=<1 BC8: pH=6.25, Eh=399.8, Sb=<0.5, As=0.77, Ba=6.6, Be=<0.2, B=<5, Cd=<0.08, Cl=3.5, Cr (VI)=0.06, Cr=0.91, Co=<0.5, Fe=<50, Mn=NA, Mo=1, Se=<0.5, Sr=53.8, SO4=3.1, Tl=<0.1, TDS=71, V=<1 BC10: pH=8.07, Eh=317.9, Sb=<0.5, As=<0.5, Ba=18.6, Be=<0.2, B=<5, Cd=<0.08, Cl=3, Cr (VI)=0.057, Cr=1.6, Co=<0.5, Fe=56.8, Mn=NA, Mo=<0.5, Se=<0.5, Sr=33.6, SO4=<2, Tl=<0.1, TDS=42, V=<1 BC5: pH = 5.3, Eh = 477.4, Sb=<0.5, As=<0.5, Ba=19, Be=<0.2, B=<5, Cd=<0.08, Cl=2.7, Cr (VI)=<0.03, Cr <0.5, Co=<0.5, Fe=<50, Mn=NA, Mo=<0.5, Se=<0.5, Sr=16.9, SO4=<2, Tl=<0.1, TDS=<25, V=<1 BC4 Well A: pH=7.3, Eh=347.9, Sb=<0.5, As=<0.5, Ba = 3.6, Be=<0.2, B=<5, Cd=<0.08, Cl=1.6, Cr (VI)=0.085, Cr=<0.5, Co=<0.5, Fe=<50, Mn=NA, Mo=4.1, Se=<0.5, Sr=44.8, SO4=4.8, Tl=<0.1, TDS=102, V=2.4 BC2019-RAW: pH=6.9, Eh=NM, Sb=<0.5, As=<0.1, Ba=10.6, Be=<0.1, B=<25, Cd=<0.08, Cl = 1.8, Cr (VI)=0.65, Cr=<0.5, Co=0.13, Fe=2140, Mn=16, Mo=1.7, Se=<0.5, Sr=48.9, SO4=8.1, Tl=<0.1, TDS=96, V=0.32 BC2 Well 1: pH=6.64, Eh=142.8, Sb=<0.5, As=<0.5, Ba=4.5, Be=<0.2, B=<5, Cd=<0.08, Cl=<1, Cr (VI)=<0.03, Cr=<0.5, Co=<0.5, Fe=1240, Mn=NA, Mo=<0.5, Se=<0.5, Sr=44.1, SO4=9.3, Tl=<0.1, TDS=105, V=<1 BC2 Well 2: pH=6.66, Eh=177.5, Sb=<0.5, As=<0.5, Ba=9.4, Be=<0.2, B=<5, Cd=<0.08, Cl=<1, Cr (VI)=<0.03, Cr=<0.5, Co=0.79, Fe=1070, Mn=NA, Mo=1.9, Se=<0.5, Sr=52.9, SO4=8.9, Tl=<0.1, TDS=97, V=<1 BC9: pH=6.52, Eh=321.5, Sb=<0.5, As=1.8, Ba=0.74, Be=<0.2, B=<5, Cd=<0.08, Cl=6.3, Cr (VI)=<0.03, Cr=<0.5, Co=<0.5, Fe=322, Mn=NA, Mo=<0.5, Se=<0.5, Sr=73.2, SO4=9.8, Tl=<0.1, TDS=119, V=<1 BC6: pH=6.1, Eh=460, Sb=<1, As=<5, Ba=<10, Be=<1, B=<100, Cd = <0.1, Cl=11.3, Cr (VI)=<10, Cr=<1, Co=<1, Fe=290, Mn=NA, Mo=<5, Se=<5, Sr=69, SO4=9.25, Tl=<0.1, TDS=101, V=<0.3 BC1: pH=7.67, Eh=281, Sb=<0.5, As=1.3, Ba=2.4, Be=<0.2, B=<5, Cd=<0.08, Cl=7, Cr (VI)=0.093, Cr=1.4, Co=<0.5, Fe=261, Mn=NA, Mo=<0.5, Se=<0.5, Sr=165, SO4=12.2, Tl=<0.1, TDS=95, V=<1 BELEWS RESERVOIR SFMW-2D SFMW-1D SFMW-3D SFMW-4D SFMW-5D BELEWS RESERVOIR DESIGNATED EFFLUENT CHANNEL DISCHARGE STRUCTURE 003 DESIGNATED EFFLUENT CHANNEL 003 PIPE VENT OUTFALL 115 OUTFALL 003 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 Q2 2017. NA=NOT ANALYZED NM=NOT MEASURED DATA IS EXCLUDED FOR THE FOLLOWING 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. AB-1BR, AB-2S, AB-4BRD, AB-9BRD, BG-1S, BG-2BR, GWA-1BR, GWA-5BR2, GWA-10D, GWA-16BR, GWA-19BR, GW-19D, GWA-20S, GWA-22D, GWA-24S, GWA-25BR, GWA-26BR, GWA-27BR, AND MW-104BR SURFACE WATER FLOW DIRECTION COAL PILE PINE HALL RD BC7 BC11 BC-1000 BC4 Well B: pH=6.85, Eh=NM, Sb=<0.5, As=<2, Ba=1.42, Be=<0.5, B=<50, Cd=<0.15, Cl=<0.1, Cr (VI)=<5, Cr=1.61, Co=<1, Fe=1890, Mn=NA, Mo=0.58, Se=<2, Sr=37, SO4=14, Tl=<0.5, TDS=80, V=0.58 APPROXIMATE DESIGNATED EFFLUENT CHANNEL APPROXIMATE ASH BASIN PONDED WATER EFFLUENT FLOW DIRECTION APPROXIMATE STREAM (NON-JD) BC6 BC9 BC2 WELL 1 BC2 WELL 2 BC4B BC8R2 BC23-3 BC23-5 BC23-4 BC15 BC12 BC7 BC11 BC-1000 BC1 S-14 BC17 BC13BC24 BC17 BC-1007 BC2006-RAW BC18 BC2000-RAW BC34 BC2004-RAW BC26 BC-1001 BC-1003 BC-1005 BC-1002 BC10 BC14 BC-1004 BC10 BC16 BC25 BC-1006 BC5 BC8 MIDDLE T O N L O O P MIDDLETON LOOPASH BASIN STRUCTURAL FILL PINE HALL ROAD LANDFILL COAL PILE POWER PLANT GYPSUM STORAGE BELEWS RESERVIOR PINE H A L L R D PINE HALL RDPINE HALL RDMIDDLETON LOOPGEORGIA RDPINE HALL RDMARTI N L UT HE R KI N G J R R D RAILR O A D DAN RIVE R DAN RIVERTOWN FORK CREEK RAILROAD RAILROADOLD PLANTATION RDRAILROAD PINE HALL RD 250 F O O T R E VI E W B O U N D A R Y DISCHARGE STRUCTURE OUTLET STRUCTURE PARCEL A (2.23 ACRES) SEE FIGURE 2-1 FOR DETAILED MAP OF THE ASH BASIN BC4A BC4 BC2019-RAW BELEWS RESERVIOR 003: pH=8.1, Eh=276, Sb=1.2, As=13.9, Ba=86, Be=<0.2, B=13600, Cd=0.11, Cl=428, Cr (VI)=NA, Cr=1.9, Co=1.3, Fe=110, Mn=110, Mo=24.1, Se=7.7, Sr=850, SO4=140, Tl=0.88, TDS=2240, V=8.8 ABW: pH=5.76, Eh=341, Sb=<0.5, As=3.4, Ba=240, Be=1.1, B=9200, Cd=0.66, Cl=426, Cr (VI)=NA, Cr=0.2 j, Co=75.5, Fe=NA, Mn=8400, Mo=<0.5, Se=4, Sr=660, SO4=79.7, Tl=0.39, TDS=1340, V=<1 HD-07A: pH=5.31, Eh=515, Sb=<0.5, As=4.5, Ba=220, Be=0.71, B=11000, Cd=0.72, Cl=441, Cr (VI)=NA, Cr=<0.5, Co=66, Fe=NA, Mn=7500, Mo=<0.5, Se=5.9, Sr=770, SO4=113, Tl=0.36, TDS=1360, V=<1 HD-11A: pH=5.61, Eh=351.7, Sb=<0.5, As=2.2, Ba=180, Be=0.55, B=13200, Cd=0.38, Cl=436, Cr (VI)=NA, Cr=0.99, Co=30.4, Fe=NA, Mn=4000, Mo=0.85, Se=3.8, Sr=660, SO4=98.1, Tl=0.42, TDS=1290, V=<1 TF-02: pH=4.92, Eh=NM, Sb=<1, As=2.08, Ba=257, Be=NA, B=12700, Cd=1.67, Cl=440, Cr (VI)=NA, Cr=<1, Co=NA, Fe=75, Mn=5470, Mo=<1, Se=1.22, Sr=NA, SO4=120, Tl=0.34, TDS=1100, V=NA TF-01: pH=5.51, Eh=NM, Sb=<1, As=1.08, Ba=193, Be=NA, B=13500, Cd=<1, Cl=450, Cr (VI)=NA, Cr=<1, Co=NA, Fe=761, Mn=3960, Mo=<1, Se=<1, Sr=NA, SO4=120, Tl=0.782, TDS=1200, V=NA TF-03: pH=5.23, Eh=472, Sb=<0.5, As=3.6, Ba=290, Be=2.2, B=7400, Cd=2, Cl=436, Cr (VI)=NA, Cr=0.29 j, Co=193, Fe=NA, Mn=22700, Mo=<0.5, Se=4.8, Sr=710, SO4=48.6, Tl=0.51, TDS=1240, V=<1 HD-21: pH=4.85, Eh=334.9, Sb=<0.5, As=4.8, Ba=280, Be=1.9, B=6700, Cd=1.5, Cl=438, Cr (VI)=NA, Cr=<0.5, Co=268, Fe=NA, Mn=27000, Mo=<0.5, Se=7.1, Sr=670, SO4=44.1, Tl=0.6, TDS=1170, V=<1 HD-10: pH=5.56, Eh=NM, Sb=<1, As=<1, Ba=53, Be=NA, B=<50, Cd=<1, Cl=18, Cr (VI)=NA, Cr=<1, Co=NA, Fe=2360, Mn=941, Mo=<1, Se=<1, Sr=NA, SO4=0.64, Tl=<0.2, TDS=52, V=NA HD-9: pH=5.17, Eh=NM, Sb=<1, As=<1, Ba=120, Be=NA, B=<50, Cd=<1, Cl=43, Cr (VI)=NA, Cr=<1, Co=NA, Fe=118, Mn=2590, Mo=<1, Se=<1, Sr=NA, SO4=0.68, Tl=<0.2, TDS=100, V=NA HD-22: pH=4.48, Eh=NM, Sb=<1, As=1.59, Ba=492, Be=NA, B=211, Cd=1.03, Cl=170, Cr (VI)=NA, Cr=<1, Co=NA, Fe=673, Mn=21900, Mo=<1, Se=<1, Sr=NA, SO4=1.4, Tl=0.258, TDS=310, V=NA HD-24: pH=4.36, Eh=NM, Sb=<1, As=5.34, Ba=727, Be=NA, B=785, Cd=1.58, Cl=350, Cr (VI)=NA, Cr=<1, Co=NA, Fe=1330, Mn=45600, Mo=<1, Se=2.85, Sr=NA, SO4=1.9, Tl=0.425, TDS=650, V=NA HD-25: pH=4.59, Eh=NM, Sb=<1, As=<1, Ba=299, Be=NA, B=127, Cd=<1, Cl=130, Cr (VI)=NA, Cr=<1, Co=NA, Fe=3080, Mn=13200, Mo=<1, Se=<1, Sr=NA, SO4=0.84, Tl=<0.2, TDS=240, V=NA HD-10: pH=5.56, Eh=NM, Sb=<1, As=<1, Ba=53, Be=NA, B=<50, Cd=<1, Cl=18, Cr (VI)=NA, Cr=<1, Co=NA, Fe=2360, Mn=941, Mo=<1, Se=<1, Sr=NA, SO4=0.64, Tl=<0.2, TDS=52, V=NA HD-09: pH=5.17, Eh=NM, Sb=<1, As=<1, Ba=120, Be=NA, B=<50, Cd=<1, Cl=43, Cr (VI)=NA, Cr=<1, Co=NA, Fe=118, Mn=2590, Mo=<1, Se=<1, Sr=NA, SO4=0.68, Tl=<0.2, TDS=100, V=NA ASH BASIN INSET A - TOE DRAIN SAMPLE LOCATIONS ABANDONED AT THE ASH BASIN DAM S-10: pH=6, Eh=235.5, Sb=<1, As=<1, Ba=271, Be=NA, B=6780, Cd=1.08, Cl=320, Cr (VI)=NA, Cr=<1, Co=NA, Fe=648, Mn=4150, Mo=<1, Se=<1, Sr=NA, SO4=12, Tl=0.4 B3, TDS=800, V=NA S-11: pH=6.1, Eh=238.1, Sb=<1, As=1.16, Ba=246, Be=NA, B=9140, Cd=<1, Cl=370, Cr (VI)=NA, Cr=<1, Co=NA, Fe=369, Mn=7910, Mo=<1, Se=<1, Sr=NA, SO4=79, Tl=0.383, TDS=1000, V=NA OUTFALL 115 S-15: pH=6.9, Eh=217, Sb=<1, As=1.1, Ba=22, Be=NA, B=<50, Cd=<1, Cl=14, Cr (VI)=NA, Cr=<1, Co=NA, Fe=490, Mn=84, Mo=<1, Se=<1, Sr=NA, SO4=1.8, Tl=<0.2, TDS=52, V=NA S-2: pH=6.1, Eh=230.4, Sb=<1, As=<1, Ba=216, Be=NA, B=237, Cd=<1, Cl=66, Cr (VI)=NA, Cr=<1, Co=NA, Fe=248, Mn=166, Mo=<1, Se=<1, Sr=NA, SO4=0.64, Tl=<0.2 B3, TDS=200, V=NA S-3: pH=6.5, Eh=219.6, Sb=<1, As=1.16, Ba=21, Be=NA, B=<50, Cd=<1, Cl=5.5, Cr (VI)=NA, Cr=<1, Co=NA, Fe=1080, Mn=27, Mo=<1, Se=<1, Sr=NA, SO4=1.2, Tl=<0.2 B3, TDS=<25, V=NA S-4: pH=5.9, Eh=236.6, Sb=<1, As=<1, Ba=134, Be=NA, B=<50, Cd=<1, Cl=92, Cr (VI)=NA, Cr=<1, Co=NA, Fe=145, Mn=103, Mo=<1, Se=<1, Sr=NA, SO4=0.28, Tl=<0.2 B3, TDS=260, V=NA S-1: pH=6.4, Eh=219.4, Sb=<1, As=<1, Ba=26, Be=NA, B=<50, Cd=<1, Cl=3, Cr (VI)=NA, Cr=1.82, Co=NA, Fe=2050, Mn=36, Mo=<1, Se=<1, Sr=NA, SO4=1.5, Tl=<0.2 B3, TDS=26, V=NA SW-AB2: pH=6.4, Eh=326, Sb=0.79, As=2.9, Ba=92.9, Be=0.045 j, B=11300, Cd=0.2, Cl=459, Cr (VI)=0.45, Cr= 1.9 B, Co=1, Fe=59.1, Mn=310, Mo=30.7, Se=9, Sr=858, SO4=129, TDS=1210, Tl=0.78, V=2.6 SW-AB3: pH=7.1, Eh=391.1, Sb=0.77, As=3.1, Ba=95.4, Be=0.051 j, B=11800, Cd=0.13, Cl=465, Cr (VI)=0.38, Cr= 0.89 B, Co=1.5, Fe=97.5, Mn=328, Mo=32, Se=9.8, Sr=879, SO4=131, TDS=1130, Tl=0.8, V=2.9 S-5: pH=6.7, Eh=215.1, Sb=<1, As=<1, Ba=10, Be=NA, B=<50, Cd=<1, Cl=3, Cr (VI)=NA, Cr=<1, Co=NA, Fe=567, Mn=20, Mo=<1, Se=<1, Sr=NA, SO4=1.3, Tl=<0.2 B3, TDS=<25, V=NA SW-AB4: pH=7.5, Eh=314.5, Sb=0.59, As=8.9, Ba=97.6, Be=0.052 j, B=1860, Cd=<0.08, Cl=16.8, Cr (VI)=130 j,D3, Cr= 1 B, Co=0.42, Fe=902, Mn=130, Mo=6.8, Se=3, Sr=262, SO4=49.4, TDS=165, Tl=0.25, V=2.5 SW-AB5: pH=7.5, Eh=312.3, Sb=0.24 j, As=4.4, Ba=62.7, Be=0.02 j, B=3480, Cd=<0.08, Cl=11.6, Cr (VI)=0.14, Cr= 0.35 j,B, Co=0.068 j, Fe=102, Mn=117, Mo=9.700001, Se=5.3, Sr=374, SO4=111, TDS=227, Tl=0.084 j, V=0.86 S-13: pH=6.3, Eh=380, Sb=<1, As=<1, Ba=68, Be=NA, B=<50, Cd=<1, Cl=4.5, Cr (VI)=NA, Cr=<1, Co=NA, Fe=18600, Mn=969, Mo=<1, Se=<1, Sr=NA, SO4=1.3, Tl=<0.2, TDS=100, V=NA S-12: pH=6.5, Eh=184.9, Sb=<1, As=<1, Ba=43, Be=NA, B=<50, Cd=<1, Cl=9.2, Cr (VI)=NA, Cr=<1, Co=NA, Fe=3760, Mn=508, Mo=<1, Se=<1, Sr=NA, SO4=3.3, Tl=<0.2, TDS=97, V=NA S-7: pH=10.2, Eh=201.6, Sb=<1, As=4.73, Ba=36, Be=NA, B=<50, Cd=<1, Cl=4.1, Cr (VI)=NA, Cr=<1, Co=NA, Fe=5410, Mn=258, Mo=<1, Se=<1, Sr=NA, SO4=1.5, Tl=<0.2, TDS=39, V=NA S-6: pH=6.5, Eh=342.4, Sb=0.1 j, As=0.98, Ba=60.8, Be=0.036 j, B=2510, Cd=<0.08, Cl=109, Cr (VI)=0.073 j,D3, Cr=0.27 j,B, Co=1.4, Fe=557, Mn=471, Mo=1.7, Se=0.66, Sr=373, SO4=32.8, Tl=0.041 j, TDS=424, V=0.63 SW-AB1: pH=7.1, Eh=432.2, Sb=0.85, As=2.9, Ba=91, Be=0.042 j, B=11200, Cd=0.19, Cl=447 M6, Cr (VI)=0.41, Cr= 0.81 B, Co=0.9899999, Fe=86.1, Mn=290, Mo=30.1, Se=9.1, Sr=820, SO4=126, TDS=1040, Tl=0.78, V=2.9 SW-BL-D: pH=6.6, Eh=397.4, Sb=<0.5, As=0.55, Ba=17.8, Be=0.026 j, B=58.7, Cd=<0.08, Cl=7.3, Cr (VI)=0.045, Cr=0.29 j,B, Co=0.035 j, Fe=27.1 j, Mn=5.7, Mo=1.5, Se=<0.5, Sr=66.1, SO4=8.4, Tl=0.035 j, TDS=65, SW-AB9: pH=7, Eh=351.5, Sb=0.13 j, As=3.8, Ba=113, Be=<9.9E-02, B=119, Cd=<0.08, Cl=7.4, Cr (VI)=67 j,D3, Cr= 0.23 j,B, Co=0.12, Fe=262, Mn=58.9, Mo=2.4, Se=<0.5, Sr=103, SO4=8.2, TDS=66, Tl=0.019 j, V=1.9 BCWW-002: pH=6.3, Eh=270.5, Sb=1.3, As=3.7, Ba=340, Be=0.47, B=211000, Cd=0.054 j, Cl=7700, Cr (VI)=NA, Cr=0.48 j, Co=0.16 j, Fe=270, Mn=6000, Mo=0.36 j, Se=3, Sr=12700, SO4=1720, Tl=0.039 j, TDS=<500, V=0.38 j BCSW-18A: pH=6.6, Eh=355.9, Sb=<0.5, As=0.77, Ba=17, Be=<0.2, B=65, Cd=<0.08, Cl=8.3, Cr (VI)=NA, Cr=0.22 j, Co=<0.5, Fe=160, Mn=17, Mo=1.7, Se=0.36 j, Sr=69, SO4=10.3, Tl=0.023 j, TDS=87, V=0.89 j S-9: pH=7, Eh=246.3, Sb=<1, As=<1, Ba=50, Be=NA, B=1180, Cd=<1, Cl=9.6, Cr (VI)=NA, Cr=<1, Co=NA, Fe=511, Mn=221, Mo=<1, Se=2.18, Sr=NA, SO4=230, Tl=<0.2, TDS=360, V=NA S-16: pH=7.3, Eh=256.5, Sb=<1, As=<1, Ba=25, Be=NA, B=<50, Cd=<1, Cl=2, Cr (VI)=NA, Cr=<1, Co=NA, Fe=1440, Mn=33, Mo=<1, Se=<1, Sr=NA, SO4=1.1, Tl=<0.2, TDS=59, V=NA BCSW-19: pH=6.2, Eh=316.3, Sb=<0.5, As=0.28 j, Ba=28, Be=0.13 j, B=260, Cd=0.04 j, Cl=4.5, Cr (VI)=NA, Cr=0.43 j, Co=1.7, Fe=860, Mn=280, Mo=<0.5, Se=0.36 j, Sr=48, SO4=48.3, Tl=0.025 j, TDS=115, V=0.61 j BCSW-007: pH=7.2, Eh=330.8, Sb=<0.5, As=0.78, Ba=18, Be=<0.2, B=66, Cd=<0.08, Cl=8.2, Cr (VI)=NA, Cr=0.2 j, Co=0.16 j, Fe=180, Mn=30, Mo=1.7, Se=0.4 j, Sr=68, SO4=14.3, Tl=0.024 j, TDS=82, V=0.8 j BCSW-008: pH=6.6, Eh=232.5, Sb=<0.5, As=0.43 j, Ba=55, Be=0.61, B=27 j, Cd=0.14, Cl=5.3, Cr (VI)=NA, Cr=0.23 j, Co=6.2, Fe=5200, Mn=1200, Mo=<0.5, Se=0.98, Sr=140, SO4=422, Tl=0.072 j, TDS=657, V=<1 SW-2, pH=6.28, Eh=543, Sb=<1, As=0.186 j, Ba=29.4, Be=<5, B=957, Cd=<1, Cl=5.17, Cr(VI)=NA, Cr=<5, Co=0.2 j, Fe=338, Mn=26.3, Mo=NA, Se=6.04, Sr=NA, SO4=38.3, TDS=111, Tl=<0.2, V=0.501 j S-8: pH=6, Eh=229.4, Sb=<1, As=<1, Ba=47, Be=NA, B=74, Cd=<1, Cl=14, Cr (VI)=NA, Cr=<1, Co=NA, Fe=30, Mn=10, Mo=<1, Se=3.85, Sr=NA, SO4=8.6, Tl=<0.2 B3, TDS=67, V=NA SW-1A, pH=6.18, Eh=607, Sb=<1, As=0.216 j, Ba=38.1, Be=<5, B=8520, Cd=0.249 j, Cl=8.58, Cr(VI)=NA, Cr=<5, Co=1.06, Fe=56.4, Mn=260, Mo=NA, Se=53.2, Sr=NA, SO4=523, TDS=781.0, Tl=<0.2, V=0.298 j SW-AB6: pH=7.2, Eh=316.3, Sb=0.19 j, As=1.9, Ba=68.8, Be=0.011 j, B=559, Cd=<0.08, Cl=4.7, Cr (VI)=92 j,D3, Cr= 0.97 B, Co=0.074 j, Fe=202, Mn=62, Mo=0.68, Se=0.81, Sr=113, SO4=32.2, TDS=95, Tl=7.300001E-02 j, V=0.31 SW-AB7: pH=6.7, Eh=308.9, Sb=<0.5, As=1.3, Ba=42.9, Be=0.44, B=52, Cd=0.15, Cl=4.2, Cr (VI)=<0.12 D3, Cr= 3, Co=5.4, Fe=497, Mn=495, Mo=0.5 j, Se=0.58, Sr=50.9, SO4=25.8, TDS=69, Tl=0.55, V=0.54 SW-AB8: pH=6.4, Eh=331.6, Sb=<0.5, As=2, Ba=45.3, Be=0.34, B=50.7, Cd=0.16, Cl=4.4, Cr (VI)=<0.12 D3, Cr= 5, Co=11.7, Fe=2040, Mn=814, Mo=1.7, Se=1, Sr=57, SO4=25, TDS=63, Tl=1, V=2.1 SEE INSET- A THIS FIGURE AERIAL PHOTOGRAPH FROM GOOGLE EARTH DATED APRIL 8, 2017 SW-BL-U: pH=7, Eh=393.2, Sb=0.12 j, As=0.58, Ba=18, Be=0.037 j, B=61.3, Cd=<0.08, Cl=7.3, Cr (VI)=0.047, Cr=0.3 j,B, Co=0.03 j, Fe=39.7 j, Mn=6.2, Mo=1.5, Se=<0.5, Sr=67.8, SO4=8.4, Tl=0.051 j, TDS=77, V=0.48 CRAIG ROAD LANDFILL FIGURE 14-98 COMPREHENSIVE SURFACE WATER AND AOW DATA BELEWS CREEK STEAM STATION 3195 PINE HALL RD BELEWS CREEK, NORTH CAROLINA DUKE ENERGY CAROLINAS FIG 14-98 (SW-AOW) ASHLEY ALBERT JOHN CHASTAIN 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 10/09/2017 10/09/2017 GRAPHIC SCALE 10005002500500 (IN FEET) SAMPLE LOCATION 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=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): V=Vanadium (ug/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. SURFACE WATER AND AOW KEY LEGEND WATER SUPPLY WELL SAMPLED FB-02 WATER SAMPLE LOCATION AS-20 S-16 AOW SAMPLE LOCATION WATER SUPPLY WELL NOT SAMPLED NATIONAL HYDROLOGIC DATASET (NHD) DOWNLOADED FROM THE USGS NHD VIEWER AT https://viewer.nationalmap.gov/basic/?basemap=b1&category=nhd&title=NHD%20View 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-BELEWS CREEK STEAM STATION BY WSP, JOB NUMBER 157002.00 AND DRAWING FILE NAME APRIL 2014_BELEWS_FINAL_10-30-15.DWG SAMPLE LOCATIONS WERE OBTAINED FROM HDR INFORMATION AND MAY BE APPROXIMATE IN SOME CASES. DATA NOTES: DATA PRESENTED MAY INCLUDE LAB-QUALIFIED RESULTS. REFER TO ANALYTICAL DATA TABLE NOTES FOR QUALIFIER DEFINITIONS. DATA SHOWN ON MAP IS THE MOST RECENT DATA AVAILABLE THROUGH Q2 2017. NA=NOT ANALYZED NM=NOT MEASURED DATA IS EXCLUDED FOR THE FOLLOWING WITH A MEASURED TURBIDITY GREATER THAN 25 NTU's AND /OR INSUFFICIENT FLOW. S-14 SW-DR-3 WATER SAMPLE LOCATION (OCTOBER 2017) SW-10: pH=6.1, Eh=324.8, Sb=<0.5, As=1.3, Ba=224, Be=1.1, B=8660, Cd=0.56, Cl=424, Cr(VI)=0.073 j,D3, Cr=0.17 j,B, Co=68.2, Fe=444, Mn=7190, Mo=0.18 j, Se=6.5, Sr=634, SO4=88.8, TDS=916, Tl=0.42, V=<0.3 REFER TO FIGURE 4-1 FOR ALL SUPPLY WELL LOCATIONS AND TABLE 4-3 FOR ANALYTICAL RESULTS. FEBRUARY 22, 2014 AERIAL IMAGE WAS OBTAINED FROM NC ON MAP GEOPORTAL LOCATED AT http://data.nconemap.gov/geoportal/catalog/raster/download.page OUTFALL 003 FGD LANDFILL DESIGNATED EFFLUENT CHANNEL DESIGNATED EFFLUENT CHANNEL SW-DR-1: pH=7.33, Eh=298.5, Sb=<1, As=<1, Ba=20, Be=<1, B=<50, Cd=<0.1, Cl=4.7, Cr(VI)=0.041, Cr=<1, Co=<1, Fe=496, Mn=40, Mo=<1, Se=<1, Sr=57, SO4=2.7, TDS=62, Tl=<0.2, V=0.942 B2 S-2-D: pH=7.54, Eh=289.5, Sb=<1, As=<1, Ba=49, Be=<1, B=93, Cd=<0.1, Cl=32, Cr(VI)=0.049, Cr=<1, Co=<1, Fe=497, Mn=37, Mo=<1, Se=<1, Sr=71, SO4=0.87, TDS=83, Tl=<0.2, V=0.958 B2 S-3-D: pH=7.4, Eh=302.5, Sb=<1, As=<1, Ba=19, Be=<1, B=<50, Cd=<0.1, Cl=9.7 Cr(VI)=0.062, Cr=<1, Co=<1, Fe=503, Mn=31, Mo=<1, Se=<1, Sr=51, SO4=2, TDS=56, Tl=<0.2, V=1.03 B2 S-5D: pH=7.44, Eh=203.9, Sb=<1, As=2.26, Ba=20, Be=<1, B=<50, Cd=<0.1, Cl=3.2, Cr(VI)=<0.12 D3, Cr=1.12, Co=<1, Fe=2530, Mn=109, Mo=<1, Se=<1, Sr=42, SO4=1.4, TDS=38, Tl=<0.2, V=2.35 SW-DR-3: pH=7.38, Eh=309.5, Sb=<1, As=<1, Ba=20, Be=<1, B=<50, Cd=<0.1, Cl=4.1, Cr(VI)=0.062, Cr=<1, Co=<1, Fe=476, Mn=30, Mo=<1, Se=<1, Sr=49, SO4=2.5, TDS=45, Tl=<0.2, V=1.04 SW-DR-4: pH=8.26, Eh=279.6, Sb=<1, As=<1, Ba=20, Be=<1, B=93, Cd=<0.1, Cl=7.1, Cr(VI)=0.071, Cr=<1, Co=<1, Fe=436, Mn=71, Mo=<1, Se=<1, Sr=54, SO4=3.2, TDS=42, Tl=<0.2, V=1.03 SW-DR-D: pH=7.41, Eh=229.9, Sb=<1, As=<1, Ba=28, Be=<1, B=462, Cd=<0.1, Cl=23, Cr(VI)=0.03 M1, Cr=<1, Co=1.11, Fe=441, Mn=318, Mo=<1, Se=<1, Sr=82, SO4=6.5, TDS=93, Tl=<0.2, V=1.02 SW-DR-2: pH=7.23, Eh=237.9, Sb=<1, As=<1, Ba=19, Be=<1, B=<50, Cd=<0.1, Cl=4.2, Cr(VI)=0.048, Cr=<1, Co=<1, Fe=480, Mn=31, Mo=<1, Se=<1, Sr=51, SO4=2.6, TDS=49, Tl=<0.2, V=1.11 S-003-D: pH=7.26, Eh=262.3, Sb=<1, As=1.24, Ba=168, Be=<1, B=8290, Cd=0.548, Cl=370, Cr(VI)=<0.12 D3, Cr=<1, Co=20.5, Fe=188, Mn=5430, Mo=3.46, Se=<1, Sr=658, SO4=82, TDS=1300, Tl=0.4, V=0.779 SW-DR-UA: pH=7.37, Eh=307.8, Sb=<1, As=<1, Ba=19, Be=<1, B=<50, Cd=<0.1, Cl=4.1, Cr(VI)=0.025, Cr=<1, Co=<1, Fe=445, Mn=29, Mo=<1, Se=<1, Sr=46, SO4=2.5, TDS=45, Tl=<0.2, V=0.99 SW-DR-BG: pH=7.89, Eh=306.2, Sb=<1, As=<1, Ba=24, Be=<1, B=<50, Cd=<0.1, Cl=5.4, Cr(VI)=0.06, Cr=<1, Co=<1, Fe=589, Mn=65, Mo=<1, Se=<1, Sr=75, SO4=3, TDS=72, Tl=<0.2, V=1 B2 SW-DR-D: pH=6.7, Eh=307.2, Sb=0.31 j, ASO4=1.2, Ba=56.9, Be=0.092 j, B=3850, Cd=0.066 j, Cl=151, Cr (VI)=0.47, Cr=2.1 B, Co=1.3, Fe=1850, Mn=194, Mo=9.5, Se=3.1, Sr=318, SO4=46, Tl=0.26, TDSO4=417, V=4.6 SW-DR-U: pH=7, Eh=283.7, Sb=<0.5, ASO4=0.42, Ba=36.5, Be=0.13, B=<50, Cd=<0.08, Cl=3.5, Cr (VI)=0.67, Cr=2.9 B, Co=0.85, Fe=3280, Mn=68.7, Mo=0.13 j, Se=0.35j, Sr=42.6, SO4=4.1, Tl=0.029 j, TDSO4=64, V=6 500 ft COMPLIANCE BOUNDARY PARCEL LINE DUKE ENERGY (APPROXIMATE) ASH BASIN WASTE BOUNDARY STREAM BY AMEC FOSTER WHEELER WETLAND BY AMEC FOSTER WHEELER WETLAND AND STREAM BOUNDARIES PROVIDED BY AMEC FOSTER WHEELER. NOTE THESE DO NOT APPEAR TO BE INCLUSIVE OF ALL THE BOUNDARIES AS SHOWN IN THE AMEC FOSTER WHEELER NRTR BELEWS CREEK REPORT. SURFACE WATER FLOW DIRECTION APPROXIMATE DESIGNATED EFFLUENT CHANNEL APPROXIMATE ASH BASIN PONDED WATER EFFLUENT FLOW DIRECTION APPROXIMATE STREAM (NON-JD) 10/27/2017 12:18 PM P:\Duke Energy Carolinas\20. BELEWS CREEK\CSA UPDATE OCT 2017\DWG\DE BELEWS CSAUP BASE MAP.dwgDATE PRINTED:FILE PATH: 10/27/2017 12:15 PM P:\Duke Energy Carolinas\20. BELEWS CREEK\CSA UPDATE OCT 2017\DWG\DE BELEWS CSAUP BASE MAP.dwgDATE PRINTED:FILE PATH: 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 UTILITIES HAVE NOT BEEN FIELD VERIFIED. ANY UTILITIES SHOWN ARE APPROXIMATE. FIGURE 14-99 COMPREHENSIVE SOIL AND SEDIMENT DATA BELEWS STEAM STATION 3195 PINE HALL RD BELEWS CREEK, NORTH CAROLINA DUKE ENERGY CAROLINAS FIG 14-99 (SOIL-SED) ASHLEY ALBERT JOHN CHASTAIN 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 10/20/2017 10/20/2017 BC8R2 S-8 S-9 S-16 SW-1A S-6 SW-10 S-11 S-10 S-15 ASH BASIN OUTLET STRUCTURE S-7 S-13 S-5 S-4 S-3 S-12 GRAPHIC SCALE 4002001000200 (IN FEET) DISCHARGE STRUCTURE PARCEL A (2.23 ACRES)S-2 MIDDLETON LOOPBC12 PINE HALL RDBCSW019 STRUCTURAL FILL PINE HALL ROAD LANDFILL PINE HALL RDMIDDLETON LOOPRAILROAD 250 FOO T R E V I E W B O U N D A R Y GEORGIA RDBC4 SW-AB8 SW-AB6 SW-AB7 SW-AB5 SW-AB4 BC4B MW-101S 003 MW2-3 ABMW-05SABMW-05S MW2-4 MW2-2 MW2-5 OB-1 MW2-1 S-14 NOTE: THE FOLLOWING WELLS WERE ABANDONED IN 2007-2008. NO COORDINATES WERE AVAILABLE FOR MW2-7A, MW2-8, MW2-10, OB-6, 0B-7 OR OB-8. SW-AB9 SW-2 EW-1 EW-2 T-2 T-3 T-1 T-4 BC3 BCWW002 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-BELEWS CREEK STEAM STATION BY WSP, JOB NUMBER 157002.00 AND DRAWING FILE NAME APRIL 2014_BELEWS_FINAL_10-30-15.DWG SAMPLE LOCATIONS WERE OBTAINED FROM HDR INFORMATION AND MAY BE APPROXIMATE IN SOME CASES. AB-5GTB AB-6GTB BGSB-3 BGSB-1 GWA-9GTB SB-3 BC5 BC4 Well A (Vendor) BELEWS RESERVOIR SFMW-2D SFMW-1D SFMW-3D SFMW-4D SFMW-5D BELEWS RESERVOIR DESIGNATED EFFLUENT CHANNEL GWA-24D GWA-24BR GWA-2D GWA-2S GWA-32DGWA-32S MW-103D MW-103S MW-200BR MW-200S MW-200D AB-3SAB-3D BC9 MW-101D MW-102S MW-102D 003 MW-24S SB-3 GWA-31S GWA-31D GWA-19D GWA-19SA GWA-19BR GWA-17D GWA-17S GWA-10S GWA-10DA GWA-18D GWA-18SA GWA-21D GWA-21S GWA-27S GWA-27D GWA-27BR SW-AB3 GWA-30D GWA-30S GWA-1D GWA-1S GWA-1BR AB-2SAAB-2D AB-1D AB-1S AB-1BR SW-AB2 GWA-11D GWA-11S GWA-20D GWA-20BR BG-2BRA BG-2D BG-1D BG-1S BC6 BG-2S BC1 BG-2BR GWA-3S MW-201D MW-201BR GWA-22S GWA-22D SW-AB1 GWA-3D GWA-5SGWA-5D GWA-5BR GWA-4SGWA-4D GWA-5BR2 BG-3D BG-3S BC8 BC26 BC10 GWA-12D GWA-12S GWA-12BR MW-202D MW-202BRMW-202S GWA-23D GWA-23S GWA-8S GWA-8D GWA-25BR MW-1D GWA-26D MW-1 GWA-26S GWA-26BR MW-2 MW-6 MW-3 OB-4 MW-4 OB-5 MW2-7 MW-7 MW2-9 GWA-9SGWA-9BR GWA-9D MW-5 AB-5S AB-5SL AB-5D AB-4BRDAB-4BR AB-4D AB-4SL AB-4S AB-6D AB-6S AB-6SL AB-7D AB-7S AB-8SL AB-8S AB-8D AB-9D AB-9SAB-9BRD AB-9BR MW-203D MW-203S MW-203BR GWA-7SA GWA-7D GWA-7S GWA-6D GWA-6S MW-104BR MW-104D MW-104S GWA-16DA GWA-16S MW-204S MW-204D GWA-16BR BC2 WELL 1 BC2 WELL 2 BC2019-RAW PIPE VENT OUTFALL 115 OUTFALL 003 DISCHARGE STRUCTURE 2-TOE DRAINS 2-HEADER PIPES NEW RETENTION BASIN UNDER CONSTRUCTION FORMER C O N S T R U C T E D WETLAN D S B A S I N FORMER C O N S T R U C T E D WETLAN D S B A S I N GWA-20S GWA-19S GWA-18S GWA-10D COAL PILE MID D L E T O N L O O P WALKWAY CONCRETE CHANNEL CONCRETE CHANNEL FORMER OUTLET STRUCTURE DAN RIV E R AB-2D (64-64): Deep, pH=NA, Sb=NA, As=NA, Ba=NA, Be=NA, B=NA, Cd=NA, Cl=NA, Cr=NA, Co=NA, Fe=NA, Mn=NA, Mo=NA, Se=NA, Sr=NA, SO4=NA, Tl=NA, V=NA, HFO: (64) 272.5, AB-3D (40-41.5): Shallow, pH=6.5 j, Sb=<6.8, As=5.6 j, Ba=44.5, Be=2.4, B=<16.9 j, Cd=<0.81, Cl=173 j, Cr=9.6, Co=17.9, Fe=18400, Mn=306, Mo=<3.4 j, Se=<6.8, Sr=4.7, SO4=<338, Tl=<6.8, V=13.3 AB-3S (28-28): Shallow, pH=NA, Sb=NA, As=NA, Ba=NA, Be=NA, B=NA, Cd=NA, Cl=NA, Cr=NA, Co=NA, Fe=NA, Mn=NA, Mo=NA, Se=NA, Sr=NA, SO4=NA, Tl=NA, V=NA, HFO: (28) 338.8, AB-1S (20-21.5): Shallow, pH=5.7 j, Sb=<6, As=61.1, Ba=53.6, Be=3.1, B=<15.1, Cd=<0.72, Cl=<290, Cr=25.4, Co=22.7, Fe=40600, Mn=583, Mo=<3, Se=<6, Sr=<3, SO4=<290, Tl=<6, V=45, HFO: (20-25) 270, AB-1S (40-41.5): Shallow, pH=6.0 j, Sb=<5.9, As=128, Ba=18.6, Be=1.8, B=<14.7, Cd=<0.71, Cl=<278, Cr=15.4, Co=16.7, Fe=26700, Mn=201, Mo=1.9 j, Se=<5.9, Sr=<2.9, SO4=<278, Tl=<5.9, V=22.6, HFO: (35-40) 232.5, AB-1S (45-46.5): Shallow, pH=5.9 j, Sb=<5.3, As=100, Ba=39.3, Be=3.8, B=<13.1, Cd=<0.63, Cl=<269, Cr=17.6, Co=14.3, Fe=33300, Mn=267, Mo=<2.6, Se=<5.3, Sr=2 j, SO4=<269, Tl=<5.3, V=32.1 AB-3D (45-50): Shallow, pH=5.4 j, Sb=<7.1, As=21.1, Ba=55.7, Be=1.8, B=<17.9 j, Cd=<0.86, Cl=<353, Cr=22.2, Co=16.6, Fe=27500, Mn=349, Mo=<3.6 j, Se=<7.1, Sr=2.5 j, SO4=<353, Tl=<7.1, V=46.5, HFO: (45-50) 347.5, AB-2D (75-75): Deep, pH=NA, Sb=NA, As=NA, Ba=NA, Be=NA, B=NA, Cd=NA, Cl=NA, Cr=NA, Co=NA, Fe=NA, Mn=NA, Mo=NA, Se=NA, Sr=NA, S04=NA, Tl=NA, V=NA AB-2D (75-76.5): Deep, pH=6.1 j, Sb=<6.3, As=<6.3, Ba=104, Be=0.85, B=<15.8, Cd=<0.76, Cl=<309, Cr=25.2, Co=10.2, Fe=31000, Mn=494, Mo=<3.2, Se=<6.3, Sr=10.2, SO4=<309, Tl=<6.3, V=101, HFO: (75) 1256.5, KD: AB-2D (75) As=1473, B=1, Cd=79, Cr=1518, Mo=2197, Se=3272, Tl=135, V=5861 AB-4BR (7-8.5): Ash, pH=7.2 j, Sb=<8, As=9.3, Ba=35.7, Be=0.51, B=14.9 j, Cd=<0.96, Cl=269 j-, Cr=8.9, Co=<8, Fe=3340, Mn=16.4, Mo=<4, Se=5.1 j, Sr=16.6, SO4=204 j-, Tl=<8, V=10.7 AB-4BR (33-34.5): Ash, pH=8.5 j, Sb=<7, As=50.7, Ba=402, Be=3.9, B=74.7, Cd=<0.84, Cl=<348 j, Cr=64.3, Co=17, Fe=8550, Mn=44.7, Mo=2.1 j, Se=8.5, Sr=270, SO4=<348 j, Tl=<7, V=102 AB-4BR (63-63): Deep, pH=9.2 j, Sb=<5.9 j, As=20.5 j, Ba=122, Be=1.1, B=36.4, Cd=<0.71, Cl=<288, Cr=20.2, Co=5.2 j, Fe=5220, Mn=41.4, Mo=1.1, Se=4.8 j, Sr=81.2, SO4=<288, Tl=<5.9, V=35.5 AB-2SA (40-41): Shallow, pH=5.1 j, Sb=<6.2, As=<6.2, Ba=115, Be=0.66, B=<15.5 j, Cd=<0.74, Cl=<303, Cr=2, Co=4.9 j, Fe=18500, Mn=488, Mo=<3.1 j, Se=<6.2, Sr=2.2 j, S04=<303, Tl=<6.2, V=42.5 AB-4D (69.5-70.5): Deep, pH=6.4 j, Sb=<5.9, As=6.1, Ba=40, Be=1.3, B=13.7 j, Cd=<0.71, Cl=<299 j, Cr=12.6, Co=3.5 j, Fe=11000, Mn=221, Mo=<3, Se=<5.9, Sr=19.4, SO4=<299 j, Tl=<5.9, V=32 AB-5D (57-59): Deep, pH=5.3 j, Sb=<7.4, As=<7.4, Ba=97.7, Be=0.59, B=<18.5, Cd=<0.89, Cl=<383, Cr=3.4, Co=4.4 j, Fe=11800, Mn=202, Mo=<3.7, Se=3.8 j, Sr=5.6, SO4=<383, Tl=<7.4, V=27.4 AB-4D (75-79): Deep, pH=NA, Sb=NA, As=NA, Ba=NA, Be=NA, B=NA, Cd=NA, Cl=NA, Cr=NA, Co=NA, Fe=NA, Mn=NA, Mo=NA, Se=NA, Sr=NA, SO4=NA, Tl=NA, V=NA AB-5GTB (22-24): Ash, pH=8.0 j, Sb=<7.6, As=20, Ba=171, Be=0.85, B=21.2, Cd=<0.91, Cl=210 j, Cr=18.4, Co=4.3 j, Fe=9830, Mn=49.7, Mo=<3.8, Se=4.3 j, Sr=58, SO4=<363, Tl=<7.6, V=20.5 AB-5GTB (44-46): Deep, pH=7.9 j, Sb=<7.5, As=66, Ba=348, Be=4.4, B=88, Cd=<0.9, Cl=<356, Cr=75.5, Co=18.3, Fe=16900, Mn=82.6, Mo=<3.7, Se=10, Sr=357, SO4=<356, Tl=<7.5, V=129 AB-5D (49.5-51): Deep, pH=5.1 j, Sb=<7.2, As=<7.2, Ba=29.7, Be=0.22 j, B=<18, Cd=<0.86, Cl=<358, Cr=8.3, Co=<7.2, Fe=15500, Mn=60.1, Mo=<3.6, Se=<7.2, Sr=<3.6, SO4=<358, Tl=<7.2, V=35.7 AB-5D (7-8.5): Ash, pH=6.7 j, Sb=<8.5 j, As=42.1 j-, Ba=187 j-, Be=4.4 j-, B=54.1, Cd=<1 j, Cl=285 j, Cr=58.5 j-, Co=16.9 j-, Fe=6770 j, Mn=27.9, Mo=5.9, Se=17.3 j-, Sr=112 j-, SO4=268 j, Tl=<8.5, V=86.1 j- AB-6GTB (19.5-21): Deep, pH=5.4 j, Sb=<6.3, As=<6.3, Ba=20.3, Be=<0.31, B=<15.7, Cd=<0.75, Cl=<305, Cr=4.6, Co=<6.3, Fe=9450, Mn=82, Mo=<3.1, Se=<4.7, Sr=<3.1, SO4=<305, Tl=<6.3, V=12.4=NA, Tl=NA, V=NA AB-6GTB (28-28): Deep, pH=NA, Sb=NA, As=NA, Ba=NA, Be=NA, B=NA, Cd=NA, Cl=NA, Cr=NA, Co=NA, Fe=NA, Mn=NA, Mo=NA, Se=NA, Sr=NA, SO4=NA, Tl=NA, V=NA AB-6GTB (15-17): Ash, pH=7.1 j, Sb=<8.6, As=13.2 j-, Ba=38.2, Be=<0.43 j, B=<21.5, Cd=<1, Cl=<446, Cr=4.3, Co=<8.6, Fe=2770 j-, Mn=15.6 j-, Mo=4.9, Se=<6.4, Sr=29.7, SO4=<446, Tl=<8.6, V=4.8 j AB-6GTB (3-5): Ash, pH=7.8 j, Sb=<8.8, As=<8.8, Ba=38.5, Be=<0.44 j, B=<21.9, Cd=<1.1, Cl=<420, Cr=2.6, Co=<8.8, Fe=1530, Mn=7.2, Mo=<4.4, Se=<6.6, Sr=9.9, SO4=<420, Tl=<8.8, V=<8.8 AB-6D (27-28.5): Deep, pH=5.2 j, Sb=<6.2, As=<6.2, Ba=24.9, Be=0.34, B=<15.4, Cd=<0.74, Cl=<316, Cr=18.4, Co=<6.2, Fe=25800, Mn=63.1, Mo=<3.1, Se=<4.6, Sr=<3.1, SO4=<316, Tl=<6.2, V=53.2 AB-7SL (15-15): Ash, pH=5.8 j, Sb=<3.4, As=8.5, Ba=43.9 j+, Be=0.32 j, B=<17 j, Cd=<0.41 j, Cl=<342, Cr=6.6, Co=<3.4 j, Fe=3290, Mn=27.1 j+, Mo=2.1 j, Se=2.8 j, Sr=22.6, SO4=281 j, Tl=<3.4, V=6.8 AB-7D (3-5): Ash, pH=5.9 j, Sb=<2.5, As=5 j-, Ba=41.6 j, Be=0.14 j, B=<12.4, Cd=<0.3, Cl=<257, Cr=2.4, Co=<2.5, Fe=1870 j, Mn=26.2, Mo=<2.5, Se=<2.5, Sr=3.7, SO4=<257, Tl=<2.5, V=<2.5 AB-7D (20-21.5): Deep, pH=5.8 j, Sb=<3.4, As=7.8, Ba=51.4, Be=1.3, B=23, Cd=<0.41, Cl=<330, Cr=15.4, Co=6.2, Fe=26800, Mn=110, Mo=<3.4, Se=<3.4, Sr=2 j, SO4=<330, Tl=<3.4, V=41.8, HFO: (23) 377.5, AB-7D (30-31.5): Deep, pH=6.3 j, Sb=<3, As=26, Ba=109, Be=5.2, B=24.8, Cd=<0.36, Cl=<293, Cr=25.3, Co=12, Fe=31200, Mn=79.2, Mo=<3, Se=<6, Sr=<3, SO4=<293, Tl=<3, V=39.2 AB-8D (8-10): Ash, pH=6.5 j, Sb=<6.3, As=13.9, Ba=17.1, Be=0.26 j, B=<15.8, Cd=<0.76, Cl=<316, Cr=17.8, Co=<6.3, Fe=1930, Mn=10.4, Mo=<3.2, Se=<6.3, Sr=10, S=<316, Tl=<6.3, V=5.5 j AB-8D (46-48): Ash, pH=8.5 j, Sb=<6.9, As=54, Ba=229, Be=3.8, B=105, Cd=<0.83, Cl=<340, Cr=66.8, Co=16.7, Fe=12400, Mn=79.5, Mo=2.8 j, Se=17, Sr=251, SO4=202 j, Tl=<6.9, V=117 AB-8D (50-52): Deep, pH=5.9 j, Sb=<8.3, As=11.5, Ba=101, Be=1.7, B=13.2 j, Cd=<1, Cl=<402, Cr=34.3, Co=11.9, Fe=24500, Mn=198, Mo=<4.2, Se=<8.3, Sr=29.5, SO4=<402, Tl=<8.3, V=107 AB-8D (59-60.5): Deep, pH=6.5 j, Sb=<6.9, As=40.9, Ba=137, Be=2.2, B=<17.2, Cd=<0.83, Cl=<327 Cr=31.2, Co=16.3, Fe=28900, Mn=215, Mo=<3.4, Se=11.3 Sr=11.9, SO4=<327, Tl=<6.9, V=44.4 AB-9D (55-56.5): Deep, pH=5.4 j, Sb=<6.9, As=9.6, Ba=133, Be=2.8, B=21, Cd=<0.83, Cl=<344, Cr=9.7, Co=5.2 j, Fe=19500, Mn=754, Mo=<3.4, Se=<6.9, Sr=23.8, SO4=<344, Tl=<6.9, V=42 AB-9D (45-46): Deep, pH=5.4 j, Sb=<7.1, As=5.4 j, Ba=84.9, Be=0.83, B=25.5, Cd=<0.86, Cl=<344, Cr=23.3, Co=13.8, Fe=24100, Mn=392, Mo=<3.6, Se=<7.1, Sr=<3.6, SO4=<344, Tl=<7.1, V=73.2, HFO: (45) 1246.25 KD: AB-9S (45) As=2892, B=2, Cd=17, Cr=66, Mo=9318, Se=3412, Tl=127, V=5024 AB-9S (25-26.5): Fill, pH=5.2 j, Sb=<6.4 j, As=25.9 j, Ba=125, Be=1.2, B=27.1, Cd=<0.77 j, Cl=<308, Cr=21.2, Co=120 j-, Fe=26900, Mn=1390, Mo=<3.2, Se=5.8 j-, Sr=<3.2, SO4=<308, Tl=<6.4, V=117 j BG-1D (31-31): Shallow, pH=5.6 j, Sb=<3.5, As=30.7, Ba=42.3, Be=2.8, B=38.6, Cd=<0.42, Cl=<358, Cr=17.1, Co=37.9, Fe=40400, Mn=871, Mo=<3.5, Se=2.9 j, Sr=<3.5, SO4=<358, Tl=<3.5, V=50.9 BG-1D (21-21): Shallow, pH=5.4 j, Sb=<3.9, As=7.5, Ba=50, Be=0.88, B=13.2 j, Cd=<0.47, Cl=<400, Cr=2.3, Co=6.8, Fe=12400 j+, Mn=257 j+, Mo=<3.9, Se=2.2 j, Sr=<3.9, SO4=<400, Tl=<3.9, V=16 BG-1D (11-11): Shallow, pH=5.7 j, Sb=<3.9, As=10.9, Ba=26.8, Be=0.68, B=12.2 j, Cd=<0.47, Cl=<396, Cr=4.7, Co=28.6 j-, Fe=12200, Mn=1010, Mo=8.9, Se=<3.9, Sr=<3.9, SO4=<396, Tl=<3.9, V=14.2 BG-1D (1-2): Shallow, pH=4.8 j, Sb=<3.1, As=34.6, Ba=41.5, Be=0.89, B=<15.5, Cd=<0.37, Cl=<305, Cr=28.7, Co=1.7 j, Fe=38100, Mn=57.6, Mo=<3.1, Se=<3.1, Sr=1.9 j, SO4=<305, Tl=<3.1, V=54.9 BG-1S (41-41): Shallow, pH=6.0 j Sb=<7.3, As=7.2 j, Ba=43, Be=1.3, B=<18.2, Cd=<0.87, Cl=<355, Cr=3.6, Co=20.7, Fe=9410, Mn=411, Mo=<3.6, Se=<7.3, Sr=2.2 j, SO4=<355, Tl=<7.3, V=6.8 j BGSB-1 (5-7): Shallow, pH=4.56, Sb=<0.47, As=22 B, Ba=18, Be=1.6, B=<2.4, Cd=<0.023, Cl=1.9 j, Cr=19, Co=1.1, Fe=21000, Mn=39 B, Mo=<1.9, Se=0.84 j, Sr=0.82 j, SO4=<12, Tl=0.15, V=42 BGSB-1 (10-12): Shallow, pH=4.7, Sb=<0.6, As=9.1 B, Ba=47, Be=1.4, B=<1.6, Cd=<0.03, Cl=1.2 j, Cr=6.9, Co=5.8, Fe=12000, Mn=180 B, Mo=0.56 j, Se=1 j, Sr=0.76, SO4=<12, Tl=0.39, V=13 BGSB-1 (1-2): Shallow, pH=4.79, Sb=<0.46, As=59 B, Ba=38, Be=1.6, B=<8.1, Cd=<0.023, Cl=3.4 j, Cr=37, Co=3.5, Fe=49000, Mn=66 B, Mo=0.98 j, Se=1.5, Sr=2.5 j, SO4=<12, Tl=0.38, V=64 BGSB-1 (20-22): Shallow, pH=4.77, Sb=<0.52, As=6.3 B, Ba=62, Be=1.3, B=1.2 j, Cd=<0.026, Cl=<11, Cr=5, Co=21, Fe=11000, Mn=250, Mo=0.97 j, Se=1.5, Sr=2.8, SO4=<11 M, Tl=0.6, V=8.6 BGSB-1 (15-17): Shallow, pH=4.98, Sb=<0.4, As=5.6 B, Ba=46, Be=1.3, B=<3.8, Cd=<0.02, Cl=<12, Cr=6.7, Co=16, Fe=8700, Mn=230 B, Mo=<3, Se=1.9, Sr=1.9, SO4=<12, Tl=0.66, V=9.8 BGSB-2 (10-12): Shallow, pH=4.64, Sb=<0.51, As=0.5 j,B, Ba=27, Be=0.27, B=<10, Cd=<0.026, Cl=<12, Cr=1.1 j, Co=4.8, Fe=11000, Mn=110 B, Mo=<8.1, Se=1.8, Sr=<4, SO4=<12, Tl=0.066 j, V=35 BG-2D (71.6-72): Deep, pH=8.0 j, Sb=<5.4, As=<5.4, Ba=17.6, Be=0.3, B=<13.5, Cd=<0.65, Cl=<265, Cr=9.4, Co=6.6, Fe=12900, Mn=301, Mo=<2.7, Se=<5.4, Sr=5.8, SO4=<265 j, Tl=<5.4, V=24.2 BG-2D (10-12): Shallow, pH=5.0 j, Sb=<3.5, As=2.7 j, Ba=70.7, Be=0.86, B=34.5 j, Cd=<0.42, Cl=<352, Cr=5.3, Co=5.5, Fe=32300, Mn=245, Mo=<3.5 j, Se=3 j, Sr=<3.5 j, SO4=<352, Tl=<3.5, V=105 BG-2D (1-2): Shallow, pH=5.5 j, Sb=<3.8, As=3.3 j, Ba=25.1, Be=0.32 j, B=<18.9, Cd=<0.45, Cl=<363, Cr=8.5, Co=<3.8, Fe=24100, Mn=53.1, Mo=<3.8, Se=<3.8, Sr=<3.8, SO4=<363, Tl=<3.8, V=46.6 BG-2D (20-22): Shallow, pH=5.1 j, Sb=<3.7, As=<3.7, Ba=88.9, Be=0.29 j, B=<18.5, Cd=<0.45, Cl=<367, Cr=<1.9 j, Co=5, Fe=9570, Mn=450, Mo=<3.7 j, Se=<3.7, Sr=<3.7 j, SO4=<367, Tl=<3.7, V=20 BG-2D (30-32): Shallow, pH=5.2 j, Sb=<4, As=<4, Ba=91.9, Be=0.33 j, B=<20.1, Cd=<0.48, Cl=<403, Cr=<2 j, Co=5, Fe=13000, Mn=680, Mo=<4 j, Se=<4, Sr=<4 j, SO4=<403, Tl=<4, V=27 BG-2D (60-61.5): Deep, pH=6.4 j, Sb=<3.9, As=3.2 j, Ba=124, Be=1, B=<19.6, Cd=<0.47, Cl=<405, Cr=51.7, Co=28.1, Fe=36400, Mn=564, Mo=<3.9 j, Se=<3.9, Sr=18.3, SO4=<405, Tl=<3.9, V=125 BG-2S (40-41.5): Shallow, pH=5.6 j, Sb=<3.1, As=<3.1, Ba=90, Be=0.44, B=<15.5, Cd=<0.37, Cl=<312, Cr=1.1 j, Co=3.7, Fe=11700, Mn=391, Mo=<3.1, Se=<3.1, Sr=<3.1, SO4=<312, Tl=<3.1, V=24.8, HFO: (40-42) 1190.5 BG-2S (50-51.5): Deep, pH=6.4 j, Sb=<3.5, As=2.1 j, Ba=125, Be=1.2, B=<17.6, Cd=<0.42, Cl=<357, Cr=3.4, Co=5.8, Fe=17100, Mn=305, Mo=<3.5, Se=<3.5, Sr=7.1, SO4=<357, Tl=<3.5, V=29.4 BG-2S (55-60): Deep, pH=NA, Sb=NA, As=NA, Ba=NA, Be=NA, B=NA, Cd=NA, Cl=NA, Cr=NA, Co=NA, Fe=NA, Mn=NA, Mo=NA, Se=NA, Sr=NA, SO4=NA, Tl=NA, V=NA BGSB-2 (1-2): Shallow, pH=4.87, Sb=<0.37, As=3.9 B, Ba=14, Be=0.28, B=<2.8, Cd=<0.019, Cl=4.2 j, Cr=10, Co=1.8, Fe=22000, Mn=59 B, Mo=<2.2, Se=0.71 j, Sr=1.5, SO4=8 j, Tl=0.14, V=65 BGSB-2 (15-17): Shallow, pH=4.99, Sb=<0.45, As=0.54 B, Ba=42, Be=0.37, B=<17, Cd=0.025, Cl=<11 Cr=2.6 j, Co=7.2, Fe=12000, Mn=490, Mo=<13, Se=2.7, Sr=<6.7, SO4=<11, Tl=0.19, V=24 BGSB-2 (20-22): Shallow, pH=5, Sb=<0.57, As=1.2 B, Ba=70, Be=0.51, B=<22, Cd=<0.029, Cl=<12, Cr=7.8, Co=7.2, Fe=17000, Mn=480, Mo=<18, Se=4.5, Sr=<9, SO4=<12, Tl=0.26, V=35 BGSB-2 (25-27): Shallow, pH=4.95, Sb=<0.38, As=0.85 B, Ba=140, Be=0.57, B=<23, Cd=<0.019, Cl=<12, Cr=1.2 j, Co=6.2, Fe=14000, Mn=490, Mo=<19, Se=4.1, Sr=<9.3, SO4=<12, Tl=0.27, V=18 BGSB-2 (30-32): Shallow, pH=5.32, Sb=<0.38, As=0.77 B, Ba=71, Be=0.47, B=<8.8, Cd=0.033, Cl=<12, Cr=3.6, Co=17, Fe=14000, Mn=550 B, Mo=<7.1, Se=2.2, Sr=<7.1, SO4=<12, Tl=0.34, V=23 BG-3S (1-2): Shallow, pH=5.4 j, Sb=<6.4, As=<6.4, Ba=29.9, Be=0.37, B=14 j, Cd=<0.77, Cl=<329, Cr=15.9, Co=<6.4, Fe=27800, Mn=39.6, Mo=<3.2, Se=<4.8, Sr=<3.2, SO4=<329, Tl=<6.4, V=60 BG-3S (10-12): Shallow, pH=4.9 j, Sb=<7.6, As=<7.6, Ba=32.3, Be=0.75, B=20.9, Cd=<0.91, Cl=<362, Cr=21.5, Co=15.6, Fe=44200, Mn=513, Mo=<3.8, Se=<5.7, Sr=<3.8, SO4=<362, Tl=<7.6, V=1410, BG-3S (20-22): Shallow, pH=5.0 j, Sb=<6.1, As=<6.1, Ba=68.4, Be=0.76, B=16.6, Cd=<0.73, Cl=<308, Cr=15.4, Co=8.1, Fe=36800, Mn=216, Mo=<3, Se=<4.6, Sr=<3, SO4=<308, Tl=<6.1, V=55.3, BG-3S (27-28): Shallow, pH=6.5 j, Sb=<8.4, As=6.2 j, Ba=84.4, Be=11.8, B=<20.9, Cd=<1, Cl=<399 j, Cr=9.5, Co=12.9, Fe=98200, Mn=756, Mo=<4.2, Se=<8.4, Sr=3 j, S04=<399 j, Tl=<8.4, V=293 BG-3S (30-32): Shallow, pH=5.1 j, Sb=<8, As=4.4 j, Ba=153, Be=4.6, B=19.3 j, Cd=<0.96, Cl=<389, Cr=16.4, Co=12.5, Fe=43600, Mn=656, Mo=<4, Se=<6, Sr=4.8, SO4=<389, Tl=<8, V=137 BG-3S (33-34): Shallow, pH=5.8 j, Sb=<7.1, As=<7.1, Ba=61.9, Be=0.66, B=<17.6, Cd=<0.85, Cl=<363, Cr=2.6 j+, Co=<7.1, Fe=7480, Mn=78.3, Mo=<3.5, Se=<7.1, Sr=<3.5, S=<363, Tl=<7.1, V=6.6 j BG-3S (42-43): Shallow, pH=6.4 j, Sb=<6.9, As=<6.9, Ba=39.3, Be=0.83, B=<17.2, Cd=<0.83, Cl=<353, Cr=2.1 j+, Co=<6.9, Fe=6970, Mn=263, Mo=<3.4, Se=<6.9, Sr=2.8 j, SO4=<353, Tl=<6.9, V=10, HFO: (55-60) 380, BG-3S (40-42): Shallow, pH=NA, Sb=NA, As=NA, Ba=NA, Be=NA, B=NA, Cd=NA, Cl=NA, Cr=NA, Co=NA, Fe=NA, Mn=NA, Mo=NA, Se=NA, Sr=NA, SO4=NA, Tl=NA, V=NA, HFO: (44-45) 358.8, KD: BG-3S (40-42) As=1296, B=1, Cd=57, Cr=1518, Mo=2771, Se=2298, Tl=129, V=5861 BGSB-3 (1-2): Shallow, pH=5.03, Sb=<0.41, As=3.2 B, Ba=22, Be=0.39, B=<3.7, Cd=0.032, Cl=<11, Cr=20, Co=1.4, Fe=22000, Mn=42 B, Mo=0.5 j, Se=0.56 j, Sr=1.7, SO4=<11, Tl=0.1 j, V=37 BGSB-3 (5-7): Shallow, pH=5.01, Sb=<0.3, As=2.8 B, Ba=38, Be=0.56, B=<2.3, Cd=<0.015, Cl=1.8 j, Cr=5.1, Co=6.7, Fe=9800, Mn=170 B, Mo=0.81 j, Se=0.96, Sr=0.33 j, SO4=<11, Tl=0.27, V=28 BGSB-3 (15-17): Shallow, pH=4.9, Sb=<0.43, As=3.6 B, Ba=82, Be=1.1, B=<12, Cd=0.032, Cl=<14, Cr=4.4, Co=32, Fe=18000, Mn=470 B, Mo=<9.8, Se=5, Sr=<4.9, SO4=<14, Tl=0.65, V=99 BGSB-3 (10-12): Shallow, pH=5.17, Sb=<0.39, As=2.2 B, Ba=64, Be=0.66, B=<13, Cd=<0.02, Cl=<12, Cr=27, Co=31, Fe=25000, Mn=540 B, Mo=<10, Se=2.8, Sr=<5, SO4=<12, Tl=0.32, V=95 BGSB-3 (20-22): Shallow, pH=4.93, Sb=0.14 j, As=4.9 B, Ba=53, Be=5.9, B=<10 M, Cd=0.013 j, Cl=<14, Cr=43 M, Co=22, Fe=51000 M, Mn=630 B,M, Mo=<8.2 M, Se=2.5, Sr=<4.1, SO4=<14, Tl=0.2, V=280 GWA-2D (49-50.5): Shallow, pH=6.4 j, Sb=<7, As=40.8, Ba=73.6, Be=4, B=<17.5, Cd=<0.84, Cl=<348, Cr=4.5, Co=6.2 j, Fe=14800, Mn=401, Mo=2.1 j, Se=<7, Sr=5.8, SO4=<348 j, Tl=<7, V=12.4 GWA-1S (26-27.5): Shallow, pH=4.8 j, Sb=<3.3, As=52.7, Ba=137, Be=5.8, B=<16.7, Cd=<0.4, Cl=<317, Cr=39.2, Co=21.5, Fe=37900, Mn=506, Mo=<3.3, Se=<3.3, Sr=2.5 j, SO4=<317, Tl=<3.3, V=70.4 GWA-2D (41-42.5): Shallow, pH=5.9 j, Sb=<7, As=26.3, Ba=77.2, Be=0.98, B=<17.5, Cd=<0.84, Cl=<346, Cr=1.3 j, Co=20.7, Fe=10700, Mn=655, Mo=2.7 j, Se=<7, Sr=<3.5 j, SO4=<346 j, Tl=<7, V=10.5, HFO: (45) 1085.2, KD: GWA-2D (45) As=3561, B=2, Cd=15, Cr=1000, Mo=1385.6, Se=1656, Tl=153, V=5024 GWA-2D (34-35): Shallow, pH=5.6 j, Sb=<7.4, As=36.4, Ba=46.5, Be=0.96, B=<18.5, Cd=<0.89, Cl=<358, Cr=1.2 j, Co=4.1 j, Fe=8450, Mn=208, Mo=<3.7 j, Se=<7.4, Sr=<3.7 j, SO4=<358 j, Tl=<7.4, V=8 GWA-1S (20-21.5): Shallow, pH=5.2 j, Sb=<2.9, As=56.7, Ba=84.9, Be=5.3, B=<14.6, Cd=<0.35, Cl=<283, Cr=33.3, Co=12.7, Fe=34400, Mn=358, Mo=<2.9, Se=<2.9, Sr=<2.9, SO4=<283, Tl=<2.9, V=44.3 GWA-1S (34-35.5): Shallow, pH=5.4 j, Sb=<2.7, As=76.7, Ba=70.4, Be=4.8, B=<13.7, Cd=<0.33, Cl=<266, Cr=21.9, Co=16.5, Fe=32400, Mn=257, Mo=<2.7, Se=<2.7, Sr=6.1, SO4=<266, Tl=<2.7, V=34.7 GWA-3D (44-44): Deep, pH=7.1 j, Sb=<5.7, As=<5.7, Ba=88.3, Be=0.74, B=9.5 j, Cd=<0.69, Cl=<273, Cr=27.7, Co=3.6 j, Fe=9740, Mn=390, Mo=<2.9 j, Se=<5.7, Sr=7.4, SO4=<273, Tl=<5.7, V=17.4, HFO: (44) 830, GWA-3D (54-54): Deep, pH=NA, Sb=NA, As=NA, Ba=NA, Be=NA, B=NA, Cd=NA, Cl=NA, Cr=NA, Co=NA, Fe=NA, Mn=NA, Mo=NA, Se=NA, Sr=NA, SO4=NA, Tl=NA, V=NA, HFO: (54-56) 2155.5, KD: GWA-3D (54-56) As=17, B=NA, Cd=211, Cr=937, Mo=0.7, Se=3, Tl=1676, V=21 GWA-3D (34-35.5): Shallow, pH=7.0 j, Sb=<7.7, As=<7.7, Ba=108, Be=0.97, B=<19.3, Cd=<0.93, Cl=<366, Cr=1.1 j, Co=<7.7, Fe=9110, Mn=460, Mo=<3.9 j, Se=<7.7, Sr=11.4, SO4=<366, Tl=<7.7, V=18.4 GWA-3S (37-38): Shallow, pH=6.4 j, Sb=<5.6, As=<5.6, Ba=50.4, Be=0.65, B=<13.9, Cd=<0.67, Cl=<281, Cr=<1.4, Co=<5.6, Fe=5730, Mn=201, Mo=<2.8, Se=<5.6, Sr=5.5, SO4=<281, Tl=<5.6, V=5.1 j GWA-4S (45-47): Shallow, pH=6.4 j, Sb=<2.8, As=<2.8, Ba=79.5, Be=0.52, B=5, Cd=<0.33, Cl=<284, Cr=1 j+, Co=2.2 j, Fe=7760, Mn=383, Mo=<0.56, Se=<2.8, Sr=4.3, SO4=<284, Tl=<2.8, V=9.4 GWA-5S (30-31.5): Shallow, pH=6.2 j, Sb=<2.9, As=1.7 j, Ba=55.8, Be=0.5, B=4, Cd=<0.34, Cl=<281, Cr=0.9, Co=<2.9, Fe=4730, Mn=206, Mo=<0.57 j, Se=<2.9, Sr=6.2, SO4=<281, Tl=<2.9, V=5.6, HFO: (28-35) 2004.7, KD: GWA-5S (28-35) As=405, B=1, Cd=162, Cr=1518, Mo=48, Se=157, Tl=198, V=976 GWA-5S (25-26.5): Shallow, pH=4.2 j, Sb=<3.4, As=2.4 j, Ba=121, Be=0.42, B=<17.1, Cd=<0.41, Cl=<332, Cr=<1.7 j, Co=3.3 j, Fe=4590, Mn=450, Mo=<0.68 j, Se=2.6 j, Sr=3.8, SO4=<332, Tl=<3.4, V=7.9 GWA-5S (35-36.5): Shallow, pH=7.4 j, Sb=<3.4, As=3.8, Ba=63.9, Be=0.66, B=5.3, Cd=<0.41, Cl=<334, Cr=4.5, Co=2.8 j, Fe=5870, Mn=297, Mo=0.62 j, Se=3.2 j, Sr=10.6, SO4=<334, Tl=<3.4, V=7.6, HFO: (42.5-43.5) 435 GWA-5SA (28-35): Shallow, pH=NA, Sb=NA, As=NA, Ba=NA, Be=NA, B=NA, Cd=NA, Cl=NA, Cr=NA, Co=NA, Fe=NA, Mn=NA, Mo=NA, Se=NA, Sr=NA, SO4=NA, Tl=NA, V=NA GWA-6S (37-38.5): Shallow, pH=5.5 j, Sb=<3.2, As=3.1 j, Ba=115, Be=2.4, B=20.5, Cd=0.22 j, Cl=<321, Cr=5.1, Co=3.8, Fe=27700, Mn=121, Mo=<3.2, Se=<3.2, Sr=6.7, SO4=<321, Tl=<3.2, V=45.9 GWA-6S (29-30): Shallow, pH=5.9 j, Sb=<3, As=8.5, Ba=69.6, Be=0.93, B=14.2, Cd=<0.36, Cl=<292, Cr=13.8, Co=9.8, Fe=16400, Mn=219, Mo=<0.61, Se=<3 Sr=<3, SO4=<292, Tl=<3, V=27.6 GWA-6S (68.5-70): Deep, pH=6.3 j, Sb=<4.2, As=6.3, Ba=284, Be=4.4, B=<21, Cd=0.49 j, Cl=<428, Cr=45.7, Co=25.1, Fe=49500, Mn=697, Mo=<0.84, Se=2.9 j, Sr=64.1, SO4=<428, Tl=<4.2, V=156 GWA-7S (42.5-43.5): Shallow, pH=NA, Sb=NA, As=NA, Ba=NA, Be=NA, B=NA, Cd=NA, Cl=NA, Cr=NA, Co=NA, Fe=NA, Mn=NA, Mo=NA, Se=NA, Sr=NA, SO4=NA, Tl=NA, V=NA GWA-7S (35-36.5): Shallow, pH=5.8 j, Sb=<3.3 j, As=<3.3 j, Ba=101, Be=0.97, B=6.2, Cd=<0.4, Cl=<337, Cr=7.8, Co=6.9 j+, Fe=6470, Mn=206, Mo=<0.67, Se=4 j-, Sr=2.4, SO4=<337, Tl=<3.3, V=20.7 j+ GWA-7S (60-60.2): Deep, pH=NA, Sb=NA, As=NA, Ba=NA, Be=NA, B=NA, Cd=NA, Cl=NA, Cr=NA, Co=NA, Fe=NA, Mn=NA, Mo=NA, Se=NA, Sr=NA, SO4=NA, Tl=NA, V=NA GWA-7S (60.2-60.4): Deep, pH=7.2 j, Sb=<2.7, As=<2.7, Ba=72.4, Be=0.88, B=11, Cd=<0.33, Cl=<276, Cr=16.2, Co=9.3, Fe=13400, Mn=59.9, Mo=<0.55, Se=<2.7, Sr=6.7, S04=<276, Tl=<2.7, V=26 GWA-7S (30-31.5): Shallow, pH=5.4 j, Sb=<3.5, As=3.4 j, Ba=488, Be=2.7, B=17 j, Cd=<0.42, Cl=<362, Cr=36.8, Co=10.6, Fe=26100, Mn=226, Mo=<3.5, Se=5.6, Sr=9.6, SO4=<362, Tl=<3.5, V=75.5 GWA-8D (20-21.5): Shallow, pH=5.1 j, Sb=<7.6, As=<7.6, Ba=82.9, Be=0.74, B=<19, Cd=<0.91, Cl=<387, Cr=2.2, Co=<7.6, Fe=7910, Mn=103, Mo=<3.8, Se=<7.6, Sr=6.2, SO4=<387, Tl=<7.6, V=11.1, HFO: (28) 4060, KD: GWA-8S (28) As=8980, B=3, Cd=16, Cr=66, Mo=9318, Se=4843, Tl=73, V=5024 GWA-8D (30.8-31.5): Shallow, pH=6.1 j, Sb=<7.3, As=<7.3, Ba=82.2, Be=0.92, B=<18.1, Cd=<0.87, Cl=<349, Cr=1.5 j, Co=<7.3, Fe=9150, Mn=103, Mo=<3.6, Se=<7.3, Sr=9.8, SO4=<349, Tl=<7.3, V=14.4, HFO: (33-35) 227.5, GWA-8D (45-46.5): Deep, pH=6.8 j, Sb=<5.9, As=<5.9, Ba=28.6, Be=0.35, B=<14.7, Cd=<0.71, Cl=<287, Cr=34.2, Co=11.5, Fe=14600, Mn=243, Mo=<2.9, Se=<5.9, Sr=15.9, SO4=<287, Tl=<5.9, V=24.9 GWA-9GTB (50-51.5): Shallow, pH=5.7 j, Sb=<7.6, As=42.9, Ba=295, Be=4.6, B=23.4, Cd=<0.92, Cl=<370 j, Cr=25.9, Co=21.9, Fe=32900, Mn=700, Mo=<3.8, Se=<7.6, Sr=3.2 j, SO4=<370 j, Tl=<7.6, V=76 GWA-9GTB (56-57.5): Deep, pH=NA, Sb=NA, As=NA, Ba=NA, Be=NA, B=NA, Cd=NA, Cl=NA, Cr=NA, Co=NA, Fe=NA, Mn=NA, Mo=NA, Se=NA, Sr=NA, SO4=NA, Tl=NA, V=NA GWA-9S (50-52): Shallow, pH=5.7 j, Sb=<7.2 j, As=50.2 j, Ba=105, Be=6.1, B=<72.1, Cd=<0.87, Cl=<369, Cr=27.5, Co=28.7 j-, Fe=44400, Mn=682, Mo=1.3, Se=<7.2 j, Sr=2.2, SO4=<369, Tl=<7.2, V=53 j- GWA-9GTB (40-41.5): Shallow, pH=5.9 j, Sb=<6.1 j, As=10.2 j-, Ba=620 j-, Be=5.1 j-, B=30.5 j-, Cd=<0.74, Cl=<325 j, Cr=54.6 j-, Co=15.9 j-, Fe=44100 j-, Mn=640 j, Mo=<3.1 j, Se=3.6 j-, Sr=3.2 j-, S04=<325 j, Tl=<6.1, V=95.7 j- GWA-10D (2-3): Shallow, pH=5.2 j, Sb=<7.6, As=62.1, Ba=39, Be=1.9, B=<19.1 j, Cd=<0.92, Cl=<364 j, Cr=18.6, Co=26.5, Fe=32600, Mn=689, Mo=2 j, Se=<7.6, Sr=<3.8 j, S=<364, Tl=<7.6, V=29.2 GWA-10D (39-40.3): Deep, pH=6.3 j, Sb=<5.7, As=42, Ba=88.2, Be=4.3, B=<14.2 j, Cd=<0.68, Cl=<279, Cr=13.6, Co=12.8, Fe=26300, Mn=474, Mo=<2.8 j, Se=<5.7, Sr=7.4, S=<279, Tl=<5.7, V=22.4, HFO: (45-47) 555, GWA-11D (35-36.5): Shallow, pH=5.2 j, Sb=<6.2, As=33.1, Ba=95.9, Be=8.3, B=<15.4, Cd=<0.74, Cl=<292, Cr=21.4, Co=8.5, Fe=33000, Mn=345, Mo=<3.1, Se=<6.2, Sr=5.6, SO4=<292, Tl=<6.2, V=35.6, HFO: (38.3) 2446, KD: GWA-11D (38.3) As=1064, B=1, Cd=17, Cr=1518, Mo=175, Se=462, Tl=491, V=876 GWA-11D (42-42): Deep, pH=5.6 j, Sb=NA, As=NA, Ba=NA, Be=NA, B=NA, Cd=NA, Cl=NA, Cr=NA, Co=NA, Fe=NA, Mn=NA, Mo=NA, Se=NA, Sr=NA, SO4=NA, Tl=NA, V=NA GWA-11D (29-30.5): Shallow, pH=5.1 j, Sb=<7.2, As=26.9, Ba=72.4, Be=5.1, B=<18.1, Cd=<0.87, Cl=<362, Cr=12.2, Co=14.5, Fe=24100, Mn=385, Mo=<3.6, Se=<7.2, Sr=3.1 j, SO4=<362, Tl=<7.2, V=20.3 GWA-11D (55-55.4): Deep, pH=6.4 j, Sb=<7.3, As=52.2, Ba=149, Be=4.5, B=<18.3, Cd=<0.88, Cl=<354, Cr=22.8, Co=9.3, Fe=45800, Mn=528, Mo=<3.7, Se=<7.3, Sr=21.5, SO4=<354, Tl=<7.3, V=87.5 GWA-12D (15-17): Shallow, pH=5.4 j, Sb=<5.6, As=<5.6, Ba=98.6, Be=0.39, B=<13.9, Cd=<0.67, Cl=<281, Cr=<1.4 j, Co=2.9 j, Fe=7740, Mn=187, Mo=<2.8, Se=<5.6, Sr=<2.8 j, SO4=<281, Tl=<5.6 j, V=<5.6 GWA-12D (20-22): Shallow, pH=5.3 j, Sb=<5.8, As=<5.8, Ba=90.7, Be=0.43, B=<14.5, Cd=<0.69, Cl=<285, Cr=0.97 j, Co=3.5 j, Fe=7870, Mn=135, Mo=<2.9, Se=<5.8, Sr=<2.9 j, SO4=<285, Tl=<5.8 j, V=8.2 GWA-12D (25-27): Shallow, pH=NA, Sb=<7.9, As=<7.9, Ba=82.5, Be=0.59, B=<19.6, Cd=<0.94, Cl=<402, Cr=4.7, Co=4.5 j, Fe=9790, Mn=247, Mo=<3.9, Se=<7.9, Sr=<3.9 j, SO4=<402, Tl=<7.9 j, V=10.6, HFO: (25-27) 412.4, KD: GWA-12 (25-27) As=414, B=1, Cd=58, Cr=1518, Mo=450, Se=649, Tl=112, V=1081 GWA-12D (10-12): Shallow, pH=5.6 j, Sb=<6.2, As=<6.2, Ba=26.6, Be=<0.31, B=<15.4, Cd=<0.74, Cl=<315 Cr=<1.5 j, Co=6.5, Fe=912, Mn=296, Mo=<3.1, Se=<6.2, Sr=<3.1 j, SO4=<315, Tl=<6.2 j, V=<6.2 MW-200BR (9-9): Shallow, pH=NA, Sb=NA, As=NA, Ba=NA, Be=NA, B=NA, Cd=NA, Cl=NA, Cr=NA, Co=NA, Fe=NA, Mn=NA, Mo=NA, Se=NA, Sr=NA, SO4=NA, Tl=NA, V=NA MW-200BR (9-9.4): Shallow, pH=5.9 j, Sb=<5.3, As=4.7 j, Ba=49.3, Be=1.2, B=19.4, Cd=<0.63, Cl=<274, Cr=16.5, Co=6.9, Fe=19400, Mn=217, Mo=<2.6, Se=<5.3, Sr=2.3 j, SO4=<274, Tl=<5.3, V=24.9, HFO: (10) 3830.2, KD: MW-200BR (10) As=270, B=1, Cd=87, Cr=220, Mo=51, Se=118, Tl=113, V=67 MW-200BR (5-6.5): Shallow, pH=5.2 j, Sb=<7, As=23.9, Ba=51, Be=0.95, B=16.5 j, Cd=<0.84, Cl=<359 Cr=14.6, Co=<7 j, Fe=14300, Mn=188, Mo=<3.5, Se=<7, Sr=2.2 j, SO4=<359, Tl=<7, V=17.8 MW-200BR (15.8-15.92): Deep, pH=8.9 j, Sb=<15.9, As=<15.9, Ba=7.4 j, Be=<0.79, B=<39.6, Cd=<1.9, Cl=<211, Cr=<4, Co=<15.9, Fe=4080, Mn=71.1, Mo=<7.9, Se=<15.9, Sr=<7.9, SO4=<211, Tl=<15.9, V=<15.9 MW-200BR (0-1.5): Shallow, pH=4.9 j, Sb=<6.8, As=44.1, Ba=35.5, Be=1.3, B=26.1, Cd=<0.81, Cl=<332, Cr=39.5, Co=4.3 j, Fe=25100, Mn=68.2, Mo=<3.4, Se=<6.8, Sr=<3.4, SO4=<332, Tl=<6.8, V=25.2 MW-202BR (40-42): Shallow, pH=5.2 j, Sb=<2.8, As=1.6 j, Ba=32.7, Be=0.64, B=5.6, Cd=<0.34, Cl=<278, Cr=2 j+, Co=11.5, Fe=6870, Mn=156, Mo=<0.57, Se=2.3 j, Sr=1.5, SO4=<278, Tl=<2.8, V=7.3 MW-202BR (47-49): Shallow, pH=6.0 j, Sb=<3.2, As=<3.2, Ba=27.6, Be=0.33, B=<3.2, Cd=<0.38, Cl=<306, Cr=0.63 j+, Co=<3.2 j, Fe=1130, Mn=18.5, Mo=<0.64, Se=<3.2, Sr=1.9, SO4=<306, Tl=<3.2, V=<3.2 MW-202BR (60-61.5): Deep, pH=6.0 j, Sb=<3.4, As=<3.4, Ba=117, Be=1.9, B=10.3, Cd=0.24 j, Cl=<329, Cr=10.1, Co=8.7, Fe=12000, Mn=213, Mo=<0.69, Se=<3.4, Sr=7.3, SO4=<329, Tl=<3.4, V=24.5 MW-203BR (40-41.5): Shallow, pH=5.9 j, Sb=<3, As=<3, Ba=124, Be=1.1, B=9, Cd=<0.36, Cl=<307, Cr=3.9, Co=5.5, Fe=10600, Mn=281, Mo=<0.6, Se=<3, Sr=9.3, S=<307, Tl=<3 j, V=25.2 MW-203BR (20-21.5): Shallow, pH=4.2 j, Sb=<3.4, As=<3.4, Ba=62.1, Be=0.38, B=10.6 j, Cd=<0.41, Cl=<331, Cr=1.8, Co=7.9, Fe=9350, Mn=281, Mo=<0.69 j, Se=<3.4, Sr=0.86, SO4=<331, Tl=<3.4, V=32 MW-203BR (30-31.5): Shallow, pH=5.2 j, Sb=<3.3, As=<3.3, Ba=171, Be=0.47, B=12.7, Cd=<0.39, Cl=<325 j, Cr=3.4, Co=9.5, Fe=15900, Mn=550, Mo=<0.66, Se=<3.3, Sr=3, SO4=<325, Tl=<3.3 j, V=44 MW-203BR (87.5-87.8): Deep, pH=6.4 j, Sb=<2.6, As=<2.6, Ba=81.7, Be=0.14 j, B=<13.2, Cd=<0.32, Cl=<263, Cr=43.7, Co=14.1, Fe=16600, Mn=301, Mo=<2.6, Se=<2.6, Sr=9.6, SO4=<263, Tl=<2.6, V=38.3 SB-3 (4-5.5): Shallow, pH=5.9 j, Sb=<5.9, As=18.7, Ba=52.6, Be=1.2, B=30.4, Cd=<0.71, Cl=<285, Cr=19.5, Co=161, Fe=30100, Mn=1070, Mo=<3, Se=<5.9, Sr=<3, SO4=<285, Tl=<5.9, V=37.2 SB-3 (12-13.5): Shallow, pH=6.1 j, Sb=<6.6, As=6 j, Ba=22.9, Be=0.54, B=13.3 j, Cd=<0.8, Cl=172 j, Cr=12.6, Co=10.3, Fe=7790, Mn=84.6, Mo=<3.3, Se=<6.6, Sr=2.4 j, SO4=<319, Tl=<6.6, V=12.1 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=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): TDS=Total Dissolved Solids (mg/kg): V=Vanadium (mg/kg) SOIL AND SEDIMENT KEY FEBRUARY 22, 2014 AERIAL IMAGE WAS OBTAINED FROM NC ON MAP GEOPORTAL LOCATED AT http://data.nconemap.gov/geoportal/catalog/raster/download.page 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 JULY 2017. NA=NOT ANALYZED NM=NOT MEASURED REFER TO FIGURE 2-10 FOR ALL SEDIMENT LOCATIONS AND APPENDIX B FOR ANALYTICAL RESULTS OUTSIDE THE EXTENTS OF THIS MAP GWASB-12 S-10: pH=6.0 j, Sb=<26.2 j, As=12 j, Ba=60.1, Be=1.9, B=12.5 j, Cd=<1.6, Cl=<658, Cr=14.2, Co=9.3 j, Fe=13400, Mn=468, Mo=<2.6, Se=<13.1 j, Sr=12.4, SO4=<658, Tl=<13.1, V=22.6 j- BLUE COLOR DENOTES THAT THIS SEDIMENT LOCATION HAS CORRESPONDING SURFACE WATER DATA. S-11: pH=5.5 j, Sb=<19.6 j, As=33.3, Ba=98.4, Be=2.3, B=14.1, Cd=<1.2, Cl=<497, Cr=29.7, Co=17.1, Fe=31100, Mn=265, Mo=<2, Se=<9.8 j, Sr=8.6, S=<497, Tl=<9.8, V=48.1 j- S-2: pH=5.1 j, Sb=<3.7, As=9.7, Ba=33.5, Be=0.71, B=<4.6, Cd=<0.22, Cl=<435, Cr=13, Co=2.5, Fe=10900, Mn=75.7, Mo=0.65 j, Se=<1.8, Sr=2.3, S=<435, Tl=<1.8, V=17.8 S-3: pH=5.5 j, Sb=<3.1, As=20.4, Ba=47.1, Be=1.5, B=<3.8, Cd=<0.18, Cl=<393, Cr=20.1, Co=5.3, Fe=18300, Mn=91.3, Mo=<0.77, Se=<1.5, Sr=3.3, S=<393, Tl=<1.5, V=21.1 S-4: pH=5.8 j, Sb=<8.2, As=5.5, Ba=68.7, Be=3.5, B=<10.2, Cd=<0.49, Cl=<992, Cr=9.8, Co=3.2 j, Fe=8320, Mn=74.5, Mo=<2, Se=<4.1, Sr=33.8, S=<992, Tl=<4.1, V=9.3 S-5: pH=5.1 j, Sb=<3.4, As=23.6, Ba=34.4, Be=1.8, B=2.5 j, Cd=<0.2, Cl=<410, Cr=34.8, Co=4.4, Fe=21700, Mn=60.5, Mo=<0.84, Se=<1.7, Sr=4, S=<410, Tl=<1.7, V=22.4 S-8: pH=5.7 j, Sb=<10.4, As=<5.2, Ba=35.4, Be=0.76, B=3.6 j, Cd=<0.63, Cl=<494 j, Cr=4.9, Co=<5.2, Fe=4080, Mn=49.3, Mo=<1, Se=<5.2, Sr=7.9, S=<494, Tl=<5.2, V=7 S-9: pH=5.7 j, Sb=<16.6 j, As=<8.3, Ba=36.8, Be=0.58, B=<8.3, Cd=<0.99, Cl=<401, Cr=6, Co=<8.3, Fe=5900, Mn=46.1, Mo=<1.7, Se=<8.3 j, Sr=3, S=<401, Tl=<8.3, V=15.7 j- S-7: pH=5.5 j, Sb=<8.1, As=21.4, Ba=86, Be=1.5, B=<10.1, Cd=<0.48, Cl=<1050, Cr=12.4, Co=10.2, Fe=17200, Mn=161, Mo=1.1 j, Se=<4, Sr=4.3, S=<1050, Tl=<4, V=37.1 S-6: pH=6.6 j, Sb=<3.5, As=5.7, Ba=66.1, Be=1, B=4.5, Cd=<0.21, Cl=<445, Cr=21.1, Co=7.1, Fe=13900, Mn=220, Mo=0.71 j, Se=1.3 j, Sr=16.5, SO4=271 j, Tl=<1.8, V=28.1 BCSW-019: pH=6.4, Sb=<3.4, As=2.6 j, Ba=61.1, Be=0.72, B=3.1 j, Cd=<0.2, Cl=<401 j, Cr=10, Co=7.4, Fe=15100, Mn=108, Mo=<0.84, Se=<4.2, Sr=6.1, S=<401, Tl=<1.7, V=34 GREEN COLOR DENOTES THAT THIS SOIL LOCATION HAS CORRESPONDING GROUNDWATER DATA. BLACK COLOR DENOTES THAT THIS SOIL LOCATION DOES NOT HAVE CORRESPONDING GROUNDWATER DATA BC7 BC11 BC-1000 LEGEND MW-06S WELL IN DEEP ZONE WELL IN SHALLOW MATERIAL T-1 MW-01BR WELL IN COMPETENT BEDROCK ABMW-07 WELL IN ASH PORE WATER WELL ABANDONED PIEZOMETER ABANDONEDP-100 ABMW-05S MW-06D PIEZOMETER IN TRANSITION MATERIAL WATER SUPPLY WELL SAMPLED FB-02 WATER SAMPLE LOCATION AS-20 S-16 AOW SAMPLE LOCATION EW-1 WATER SUPPLY WELL NOT SAMPLED WETLAND AND STREAM BOUNDARIES PROVIDED BY AMEC FOSTER WHEELER. NOTE THESE DO NOT APPEAR TO BE INCLUSIVE OF ALL THE BOUNDARIES AS SHOWN IN THE AMEC FOSTER WHEELER NRTR BELEWS CREEK REPORT. SOIL OR GEOTECHNICAL BORINGAB-5GTB EXTRACTION WELL IN TRANSITION MATERIAL 500 ft COMPLIANCE BOUNDARY PARCEL LINE DUKE ENERGY (APPROXIMATE) ASH BASIN WASTE BOUNDARY STREAM BY AMEC FOSTER WHEELER WETLAND BY AMEC FOSTER WHEELER SURFACE WATER FLOW DIRECTION APPROXIMATE DESIGNATED EFFLUENT CHANNEL APPROXIMATE ASH BASIN PONDED WATER EFFLUENT FLOW DIRECTION APPROXIMATE STREAM (NON-JD) HFO=HYDROXIDE PHASES OF IRON KD=DISTRIBUTION COEFFICIENT