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HomeMy WebLinkAboutNC0000396_Asheville Figures_20160831PROJECT MANAGER: LAYOUT: DRAWN BY: TODD PLATING DATE:JOHN CHASTAIN FIG 1-1 (SITE LOCATION MAP) 08/23/2016 P:\Duke Energy Progress.1026\102. Asheville Ash Basin GW Assessment Plan\19.EG_CSASUP\DWG\DE ASHEVILLE USGS TOPO MAP.dwg CONTOUR INTERVAL: MAP DATE: 20 FEET 2013 2000 GRAPHIC SCALE 1000 IN FEET 10000 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA PHONE 864-421-9999 www.synterracorp.com BUNCOMBE COUNTY ASHEVILLE FIGURE 1-1 SITE LOCATION MAP DUKE ENERGY PROGRESS ASHEVILLE STEAM ELECTRIC PLANT 200 CP&L DRIVE ARDEN, NORTH CAROLINA SKYLAND NC QUADRANGLE WINSTON-SALEM CHARLOTTE SOURCE: USGS TOPOGRAPHIC MAP OBTAINED FROM THE USGS STORE AT http://store.usgs.gov/b2c_usgs/b2c/start/%%%28xcm=r3standardpitrex_prd%%%29/.do PROPERTY BOUNDARYCCR SURFACE IMPOUNDMENT COMPLIANCE BOUNDARY CCR SURFACE IMPOUNDMENT BOUNDARY 1982 ASH BASIN 1964 ASH BASIN POWER PLANT LAKE JULIAN DAM SPILLWAY POWELL CREEK 12 ACRE PARCEL (NOT DUKE PROPERTY) FIG 1-2 (SITE LAYOUT MAP) TODD PLATING JOHN CHASTAIN PROJECT MANAGER: LAYOUT NAME: DRAWN BY: CHECKED BY: KATHY WEBB DATE: DATE: FIGURE 1-2 SITE LAYOUT MAP 08 / 2 9 / 2 0 1 6 1 2 : 5 2 P M P: \ D u k e E n e r g y P r o g r e s s . 1 0 2 6 \ 1 0 2 . A s h e v i l l e A s h B a s i n G W A s s e s s m e n t P l a n \ 1 9 . E G _ C S A S U P \ D W G \ D E A S H E V I L L E C S A S U P B A S E M A P . d w g 600 GRAPHIC SCALE (IN FEET) 0 300150150 www.synterracorp.com 148 River Street, Suite 220 Greenville, South Carolina 29601 864-421-9999 ASHEVILLE PLANT 200 CP & L DRIVE ARDEN, NORTH CAROLINA MAIN GATE GUARD HOUSE WATER INTAKE POOL WATER INTAKE CB-9 CB-9BR CB-9SL MW-13BRMW-13D CB-8BR CB-8D MW-9D MW-9BR MW-9S MW-14BR CB-8 MW-11 MW-15A MW-15BR MW-15D A-02 A-01 N-01 SD-01 MW-16A MW-16BR MW-17A B-01 MH-17 PW-F CB-7 MW-18BRMW-18D MW-18BRL C-01 C-02 D-01 GW-2 GW-3 MW-7BR B-1 B-1-A B-2 MW-8BR MW-8S AS8 AS7 AS10 CB-6MW-19BR MW-20A PRW-6 PRW-5 AS15 AS11 AS13 AS17 AS11 SW-103 DW-24 AS9 DW-23 DW-2 SW-104 AS20 PRW-10 SW-102 AS4 AS6 DW-7 CB-5 MW-21D MW-22BR MW-22D DW-6 AS5 AS1/DW-9 MW-23BR MW-23DLMW-23DU P-102 P-103 PZ-16 P-100 P-101 PZ-17D PZ-17S PZ-19 CB-4 CB-4B AMW-1B APZ-30 MW-5BR MW-5D AMW-2AAMW-2AAMW-2AAMW-2A AMW-2AAMW-2AAMW-2AAMW-2B CB-3R CB-3 CB-2 GW-5 MW-3BR MW-3D GW-4 PZ-22MW-6BR MW-6D MW-6S CB-1 GW-1 PZ-26 CB-1BR CB-1BRL CB-1D GW-1BR GW-1D MW-1BR MW-1D AS12 AS2 MW-10 AMW-3A AMW-3B AS16 DW-13 DW-11 DW-33 EDR 1 DW-18 DW-22 DW-20 MW-24BRMW-24S AS14 P-104 P-105 PZ-23 PZ-24 APD-7 DP-1 MW-2BR MW-4D MW-12BRMW-12D DUKE ENERGY PROGRESS PARCEL LINE LEGEND COMPLIANCE MONITORING WELL (SURVEYED) PIEZOMETER (SURVEYED) CSA MONITORING WELL (SURVEYED) MONITORING WELL (SURVEYED) S-12 SEEP SAMPLE LOCATION BACKGROUND COMPLIANCE MONITORING WELL (SURVEYED) BUNCOMBE COUNTY PARCEL LINE EDR 1 EDR REPORTED WELL (APPROXIMATE) WATER SUPPLY WELLDW-21 CB-1 CB-8 CB-8D GW-4 P-101 DW-6 ABANDONED WELL CCR SURFACE IMPOUNDMENT CCR SURFACE IMPOUNDMENT COMPLIANCE BOUNDARY ABMW-2 ABMW-2S ABMW-6BR ABMW-8 BACK GATE GUARD HOUSE LAKE JULIAN HOT POND COAL PILE ABOVE GROUND TANK LAKE JULIAN RAIL R O A D NEW R O C K W O O D R D ABER D E E N D R DOUGLA S F I R D R STILLING POND (NPDES) HOYT RD LAKE COMA JUS T I N T R L WOO D G L E N C T W I N D I N G O A K D R FOXBERR Y D R N E W R O C K W O O D R D GLENN B R I D G E R D WINTER HILL RD ROCKWOOD RD F O U N D E R S W A Y W I N T E R H A W K D R GLENN B R I D G E R D G A L A C I A C T S H O R T G L E N B R I D G E R D R I V E R G L E N N D R GLEN V I E W R D GLEN V I E W P L G L E N V I E W R D DRY C R E E K T R L N E W R O C K W O O D R D R O S E T T A L N C U T S H A W D R FI S H E R S M I L L R D E F F I E L N GLE N N B R I D G E R D BE A L E R D GLEN N B R I D G E R D DUCKE R R D DUCKE R R D BE A L E R D O L D S H O A L S R D HAYW O O D R D HAYWOOD RD O L D S H O A L S R D E X T O L D S H O A L S R D E X T OL D S H O A L S L N CR E E D S C O V E R D B R A D L E Y B R A N C H R D PO N Y E X P R E S S D R AVALON DR B E A R L E A H T R S U M N E R D R SU M N E R D R GL E N N B R I D G E R D S E MA N D E R L Y W A Y MAXIM CT C P & L D R LAKE JULIAN S P R I N G H I L L D R SPRING HILL CIR SPRING HI L L C I R PEP P E R B R U S H T R L F O X B E R R Y D R SILV E R L A C E C I R RAW WATER INTAKE FOR LAKE JULIAN POWELL CREEK NPDES DISCHARGE POINT TUNNEL TO ACCESS THE FRENCH BROAD RIVER PUMP STATION F R E N C H B R O A D R I V E R F L O W F R E N C H B R O A D R I V E R F L O W I N T E R S T A T E 2 6 T O A S H E V I L L E I N T E R S T A T E 2 6 T O H E N D E R S O N V I L L E STORM WATER DITCH APPROXIMATE STREAM APPROXIMATE 'DUCK POND' STORMWATER RETENTION BASIN 1964 ASH BASIN 1982 ASH BASIN 08/07/2016 08/07/2016 ABMW-4 ABMW-4D ABMW-4BR ABMW-7 ABMW-7S ABMW-7BR ABMW-5BR ABMW-5D ABMW-5S PZ-27 AS3 ABMW-11BR PZ-21 PZ-25 APD-1 MW-11D SW-100 SW-101 SOURCES: 2.) DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANE COORDINATE SYSTEM FIPS 3200 (NAD 83). 3.) PARCEL BOUNDARY WAS OBTAINED FROM BUNCOMBE COUNTY GIS DATA. 4.) COMPLIANCE MONITORING WELL LOCATIONS AND WASTE BOUNDARY FROM FCA OF NC, SURVEY DATED MARCH 2009. COMPLIANCE WELLS CB-3R, CB-9 AND SG-1 SURVEYED BY FCA OF NC, SURVEY DATED 2012-11-28. 5.) ADDITIONAL MONITORING WELL AND PIEZOMETER LOCATIONS WERE BASED ON DATA PROVIDED BY PROGRESS ENERGY. 1.) MARCH 16, 2015 AERIAL PHOTOGRAPH OBTAINED FROM NC GEOSPATIAL PORTAL AT http://data.nconemap.gov/geoportal/catalog/main/home.page POWELL CREEK LAKEJULIAN HOT POND S E T T L I N G P O N D W.E.BASINS F R E N C H B R O A D R I V E R B e a r L e a h T r l S t a t e R d 3 5 2 6 S w e e t e n C r e e k R d U S H w y 2 5 A l t S t a t e R d 3 5 2 6 U S H w y 2 5 H e n d ers o n ville R d A i r p o r t R d S t a t e H w y 2 8 0 U S H w y 74 I- 2 6 U S H w y 7 4 I- 2 6 1982 ASHBASIN 1964 ASHBASIN AS-8 AS-7AS-10 AS-16 AS-3AS-4 AS-5 AS-6 AS-9 AS-11AS-13 AS-14 AS-15 AS-17 AS-20 DW-6 FIGURE 1-3NCDEQ WATER SUPPLY SAM PLELOCATIONS AND ANALYTICAL RESULTSASHEVILLE STEAM ELECTRIC PLANTARDEN, NORTH CAROLINADRAWN BY: A. ROBINSONPROJECT MANAGER: T. PLATINGCHECKED BY: T. PLATING DATE: 08/25/2016 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Asheville\Map_Docs\CSA_Supplement\ASHEVILLE_NCDEQ_WATER_SUPPLY.mxd GRAPHIC SCALE5000500 1,000250 IN FEET WATER SUPPLY WELL SAMPLED BY NCDEQ WATER SUPPLY WELL NOT SAMPLED GENERALIZED GROUNDWATER FLOW DIRECTION ASH BASIN COMPLIANCE BOUNDARY HALF-MILE OFFSET FROM COMPLIANCE BOUNDARY DUKE ENERGY PROGRESS ASHEVILLE PLANT SITE BOUNDARY LEGEND 783 1670 1880 491 240 200 221 85607 340 320 356 420 420 560 570 696 710 526 504 510 0.47 pH Water Lev el Temperature Specific Conductance Dissolved oxygen Oxidation Reduction Potential Eh Turbidity Alkalinity Aluminum Antimony Arsenic Barium Beryllium Bicarbonate Alkalinity Boron Cadmium Calcium Carbonate Alkalinity Chloride Chromium (Hexavalent)Chromium Cobalt Copper Iron Lead Magnesium Manganese Mercury Methane Moly bdenum Nickel Nitrate (as N)Nitrate Potassium Selenium Sodium Strontium Sulfate Sulfide Thallium Total Dissolved Solids Total Organic Carbon Total Suspended Solids Vanadium Zinc Radium-226 Radium-228 Uranium-233 Uranium-234 Uranium-236 Uranium-238 S.U.ft Deg C umhos/cm mg/l mV mV NTUs mg/l ug/l ug/l ug/l ug/l ug/l mg/l ug/l ug/l mg/l mg/l mg/l ug/l ug/l ug/l ug/l ug/l ug/l mg/l ug/l ug/l ug/l ug/l ug/l mg-N/L mg/l mg/l ug/l mg/l ug/l mg/l mg/l ug/l mg/l mg/l mg/l ug/l ug/l pCi/l pCi/l ug/mL ug/mL ug/mL ug/mL 6.5-8.5 NE NE NE NE NE NE NE NE NE 1*10 700 4*NE 700 2 NE NE 250 0.07^10 1*1000 300 15 NE 50 1 NE NE 100 10 10 NE 20 NE NE 250 NE 0.2*500 NE NE 0.3*1000 NE NE NE NE Sample ID Sample Collection DateAS-3 02/06/2014 5.4 3.44 10 222 4.8 342 547 1.03 NA NA NA <0.2 NA NA NA <50 NA NA NA NA NA NA NA NA 20 NA NA 36 NA NA NA NA NA NA NA NA NA NA NA NA <0.2 NA NA NA NA NA NA NA NA NA NA NA AS-3 03/04/2015 5.0 NM 15 214 4.8 NM NM <1 5.8 <50 <1 <1 44 <1 5.8 <500 <1 8.5 <5 61 <10 <1 1 23 90 6.5 5.3 39 <0.2 NA <2 7 NA NA 1.7 <1 29 73 12 NA <1 140 NA <3.1 <5 25 NA NA NA NA NA NA AS-3 02/11/2016 5.0 3.92 11 256 3.44 306 511 2.76 5.4 78 <1 <1 48 <1 5.4 <50 <1 8.29 <5 60 0.38 <1 <1 <1 369 <1 5.19 38 <0.05 <10 <1 7.21 0.402 NA 1.61 <1 27.9 75 12 <0.1 <0.2 150 0.366 <5 <0.3 <5 NA NA NA NA NA NA AS-4 02/06/2014 6.2 13.45 11 334 0.7 85 290 33.3 NA NA NA <1 NA NA NA 108 NA NA NA NA NA NA NA NA 19200 NA NA 783 NA NA NA NA NA NA NA NA NA NA NA NA <0.2 NA NA NA NA NA NA NA NA NA NA NA AS-4 08/05/2014 4.7 NM 16 436 2.44 257 462 29.2 <5 NA <1 1.44 42 NA NA <50 <1 24.9 NA 80 NA <5 116 <5 4110 <1 10.3 1670 <0.05 NA <1 39 0.32 1.4 4.04 <1 34.5 NA 79 NA <0.2 270 NA NA NA 73 NA NA NA NA NA NA AS-4 02/11/2016 4.5 12.97 12 454 3.82 381 586 9.83 <5 1420 <1 1.62 46 1.04 <5 <50 <1 21.4 <5 76 <0.03 M1 <1 128 <1 2450 <1 9.67 1880 <0.05 <10 <1 42.1 0.296 NA 4.52 <1 39 203 84 <0.1 <0.2 280 0.385 7 <0.3 93 NA NA NA NA NA NA AS-5 02/09/2015 5.1 NM 15 73 6.2 NM NM 1.1 9.8 <50 <1 <5 51 <1 9.8 <100 <0.1 4.9 0 7.75 <10 <1 <1 <5 84 <2 2.1 12 <0.2 NA <5 <5 NA NA 1.4 <5 5.1 60 1.32 NA <0.1 44 NA 1.3 <0.3 <5 NA NA NA NA NA NA AS-6 02/11/2016 6.9 8.70 13 369 0.19 -153 52 22.2 51.9 31 <1 <1 8 <1 51.9 79 <1 34.2 <5 56 <0.03 <1 <1 <1 17300 <1 4.29 491 <0.05 <10 <1 <1 <0.01 NA 3 <1 15.9 116 19 <0.1 <0.2 220 0.255 25 <0.3 <5 NA NA NA NA NA NA AS-9 02/09/2015 6.2 NM 16 128 4.1 NM NM <1 58.8 <50 <1 <5 16 <1 58.8 <100 <0.1 15 0 2.17 <10 <1 <1 12 <50 <2 2.8 <5 <0.2 NA <5 <5 NA NA 2 <5 6.4 84 4.68 NA <0.1 81 NA <1 <0.3 19 NA NA NA NA NA NA AS-9 05/12/2016 6.6 NM 15 135 3.89 195 400 0.28 55.4 19 <1 <1 13 <1 55.4 <50 <1 15.1 <5 2.3 0.077 <1 <1 10.9 12 <1 2.01 <5 <0.05 <10 H1 <1 <1 0.678 NA 2.16 <1 7.83 76 4.5 <0.1 <0.2 84 0.199 <5 <0.3 10 0.509 <3 <0.00005 <0.00005 <0.00005 0.000412 AS-11 03/04/2015 8.6 NM 15 713 2 NM NM <1 13 <50 <1 <1 5.6 <1 13 <500 <1 97 <5 56 <10 <1 <1 <5 <50 <1 1 <5 <0.2 NA 8.4 <2 NA NA 1.6 <1 72 210 340 NA <1 560 NA <3.1 <5 18 NA NA NA NA NA NA AS-11 05/09/2016 8.5 NM 17 838 1.15 17 222 0.48 13.4 8 <1 <1 7 <1 13.4 54 <1 102 <5 54 <0.03 <1 <1 <1 25 <1 1.42 10 <0.05 3800 7.66 <1 <0.01 NA 1.64 <1 64.6 232 320 <0.1 <0.2 570 0.363 <5 <0.3 18 0.728 3.14 <0.00005 <0.00005 <0.00005 <0.0002 AS-13 06/26/2015 7.6 NM 15 990 0.03 NM NM 1.9 7.2 <10 <0.5 <0.5 7.1 <0.2 7.2 38.6 <0.08 137 <5 83.9 <0.03 <0.5 <0.5 2 108 0.35 1.44 5.1 <0.2 NA 10 <0.5 NA NA 2.42 <0.5 77.9 342 356 NA <0.1 696 NA <4.5 <1 <5 NA NA NA NA NA NA AS-13 05/09/2016 8.1 114.00 16 1042 0.44 17 222 1.06 7.7 83 <1 <1 7 <1 7.7 63 <1 137 M4 <5 85 <0.03 <1 <1 11.6 295 <1 1.76 <5 <0.05 3920 9.69 <1 <0.01 NA 2.53 <1 74.5 373 420 <0.1 <0.2 710 0.219 <5 0.47 6 0.83 <3 <0.00005 <0.00005 <0.00005 <0.0002 AS-14 06/26/2015 7.6 NM 20 709 7.79 NM NM <1 117 <10 <0.5 <0.5 16.7 <0.2 117 325 <0.08 117 <5 10.4 <0.03 <0.5 <0.5 3.5 <50 0.47 13.8 240 <0.2 NA 3.1 <0.5 NA NA 3.98 <0.5 18.8 426 243 NA <0.1 526 NA <2.5 <1 34.1 NA NA NA NA NA NA AS-14 12/29/2015 7.4 NM 15 704 1.04 NM NM 3.8 115 <10 <0.5 <0.5 28 <0.2 115 310 <0.08 107 <5 10.3 <0.03 <0.5 <0.5 <1 568 2.6 14.1 200 <0.2 NA 2.9 <0.5 NA NA 4.72 <0.5 20.7 491 228 NA <0.1 504 NA <2.6 <1 5.2 NA NA NA NA NA NA AS-14 05/11/2016 7.6 NM 15 713 4.63 48 253 0.16 113 8 <1 <1 29 <1 113 339 <1 114 M4 <5 9.5 <0.03 <1 <1 2.04 695 1.25 13.9 221 <0.05 15.5 2.49 <1 0.036 NA 4.46 <1 19.2 480 250 <0.1 <0.2 510 0.347 <5 <0.3 10 8.58 8.47 <0.00005 <0.00005 <0.00005 0.000765 AS-15 08/07/2015 5.7 NM 17 58 7.62 NM NM <1 13.7 <10 <0.5 <0.5 35.2 <0.2 13.7 <5 <0.08 5.19 <5 2.3 <0.3 <0.5 <0.5 52.4 <50 2.9 1.3 13.5 <0.2 NA <0.5 <0.5 NA NA 1.5 <0.5 3.22 44.5 2.1 NA <0.1 47 NA <2.5 <1 25.6 NA NA NA NA NA NA AS-16 09/30/2013 NM NM NM NM NM NM NM <1 NA <50 NA <2 25 NA NA <50 <0.5 14 NA 7.9 NA <10 NA 32 <50 <2 3.1 11 <0.2 NA NA <2 6.2 NA 2.7 <5 7.1 NA <2 NA <2 54 NA NA NA 35 NA NA NA NA NA NA AS-17 08/14/2015 6.4 NM 15 77 1.06 NM NM 1.2 27.2 <10 <0.5 <0.5 33.4 <0.2 27.2 <5 <0.08 6.1 <5 <1 <0.03 <0.5 <0.5 1.1 379 0.37 1.59 14.6 <0.2 NA <0.5 <0.5 NA NA 2.45 <0.5 5.15 54.7 6.5 NA <0.1 65 NA <5 <1 <5 NA NA NA NA NA NA AS-20 11/25/2015 7.5 NM 12 552 0.29 NM NM <1 66.1 21.2 <0.5 <0.5 38.4 <0.2 66.1 <5 <0.08 76 <5 20.6 <0.03 <0.5 <0.5 1.1 <50 <0.1 6.34 37.3 <0.2 NA 1.9 <0.5 NA NA <0.05 <0.5 25.1 301 420 NA <0.1 388 NA <2.5 <1 <5 NA NA NA NA NA NA AS-20 06/06/2016 7.5 79.00 15 473 4.3 67 272 6.9 56.7 56 <1 <1 38 <1 56.7 108 <1 61.4 <5 20 <0.03 <1 <1 5.74 1630 <1 5.06 33 <0.05 174 1.61 <1 0.019 NA 3.95 <1 22.6 275 150 <0.1 M1 <0.2 320 0.201 8 <0.3 <5 8.38 6.72 <0.00005 <0.00005 <0.00005 0.000614 DW-6 08/05/2014 6.0 NM 16 102 8.12 129 334 148 41 NA <1 <1 25 NA NA <50 <1 8.95 NA 1.4 NA <5 <5 65 4060 <1 2.18 85 <0.05 NA <1 <5 1.3 5.6 2.2 <1 7.83 NA 0.25 NA <0.2 90 NA NA NA 91 NA NA NA NA NA NA DW-6 02/11/2016 6.6 6.92 13 161 0.28 -94 111 71 48.3 44 <1 <1 18 <1 48.3 <50 <1 9.2 <5 1.6 <1.5 <1 <1 1.11 28000 <1 2.24 607 <0.05 3150 <1 <1 <0.01 NA 2.37 <1 7.71 94 0.46 <0.1 <0.2 68 0.296 51 <0.3 <5 NA NA NA NA NA NA Analytical Results Analytical Parameter Field Parameters NC2L Standard Reporting Units 5 8.58 8.47 8.38 6.72 DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANE COORDINATE SYSTEM FIPS 3200 (NAD 83/2011). Notes: - Bold highlighted concentration indicates exceedance of the 15A NC AC 02L Standard, Appendix 2, April 1, 2013.SU = Standard Units mV = millivolts < = concentration not detected at or above the reporting limit.umhos/cm = micro mhos per centimeter ^ = NC DHHS Health Screening Level.NTU = Nephelometric Turbidity Unit NE = Not established mg/L = milligrams per liter Deg C = Degrees C elsius ug/l = microgram per liter * - Interim Maximum Allowable C oncentrations (IMAC s) of the 15A NC AC 02L Standard, Appendix 1, April, 1, 2013. AERIAL PHOTOGRAPH OBTAINED FROM GOOGLE EARTH PRO, DATED 10/18/2015. 0 8 / 2 5 / 2 0 1 6 8 : 2 9 P M P : \ D u k e E n e r g y P r o g r e s s . 1 0 2 6 \ 1 0 2 . A s h e v i l l e A s h B a s i n G W A s s e s s m e n t P l a n \ 1 9 . E G _ C S A S U P \ D W G \ D E A S H E V I L L E C S A S U P W L M A P . d w g 1 4 8 R I V E R S T R E E T , S U I T E 2 2 0 G R E E N V I L L E , S O U T H C A R O L I N A 2 9 6 0 1 P H O N E 8 6 4 - 4 2 1 - 9 9 9 9 w w w . s y n t e r r a c o r p . c o m P R O J E C T M A N A G E R : L A Y O U T : D R A W N B Y : T O D D P L A T I N G D A T E : J O H N C H A S T A I N F I G 1 - 4 ( W L M A P S U R F I C I A L ) 0 1 / 0 4 / 2 0 1 6 F I G U R E 1 - 4 S U R F I C I A L W A T E R L E V E L M A P D E C E M B E R 2 0 1 5 A S H B A S I N S A S H E V I L L E S T E A M E L E C T R I C P L A N T A R D E N , N O R T H C A R O L I N A 1 . ) O C T O B E R 1 6 , 2 0 1 5 A E R I A L P H O T O G R A P H W A S O B T A I N E D F R O M G O O G L E E A R T H D E W A T E R I N G P U M P # 1 ( N O T I N U S E ) D E W A T E R I N G P U M P # 2 2 5 0 0 2 5 0 5 0 0 G R A P H I C S C A L E I N F E E T CB-52036.98 MW-20A2032.72 CB-62032.17MW-19BRCB- 4 B C B - 4 2 0 4 8 . 6 5 M W - 2 3 B R M W - 2 3 D L M W - 2 3 D U 2 0 9 8 . 3 7 MW-21D2041.59MW-2 2 D 2045. 8 5 M W - 2 2 B R P Z - 2 2 2 0 5 9 . 5 8 M W - 0 6 D 2 0 5 7 . 9 2 M W - 0 6 S 2 0 5 8 . 6 9 M W - 0 6 B R GW-42060.08 PZ-192079.11 P - 1 0 0 2 0 8 6 . 2 9 P - 1 0 1 2 0 7 6 . 2 9 PZ- 1 6 21 1 9 . 2 8 PZ-17S2121.70 PZ-17D MW-17A2029.58 MW-16BR MW-16A2027.95CB-72028.25MW-18BRMW-18DGW-32058.99 APD-12060.22MW-07BR B-22096.56B-1 B-1-A2105.06GW-22051.35 SETTLING PON D :/“ABMW-02S2125.27ABMW-022124.60 DP-12133.12 APD-72132.07 MW-09BRMW-09DMW-09S2116.46MW-08S2117.13 MW-08BR C-03“CB-8MW-12BR CB-08BR CB-08DDRYMW-12D ““MW-15DMW-15A2028.04 MW-15BR M A I N G A T E G U A R D H O U S E CP & L D R I V E W A T E R I N T A K E P O O L W A T E R I N T A K E L A K E J U L I A N C B - 0 1 D C B - 0 1 B R C B - 1 2 1 6 2 . 5 3 G W - 0 1 D G W - 0 1 B R M W - 0 1 D M W - 0 1 B R P Z - 2 6 2 1 4 1 . 7 7 G W - 1 2 1 6 0 . 8 0 C B - 2 2 1 3 8 . 7 2 G W - 5 2 1 0 6 . 2 0 C B - 3 C B - 3 R M W - 0 3 D 2 1 0 4 . 4 1 M W - 0 3 B R M W - 0 5 D 2 0 6 8 . 5 0 M W - 0 5 B R N E W R O C K W O O D R D A B E R D E E N D R D O U G L A S F I R D R FISCHE R M I L L R D POND“ P O N D       “ P O N D       “ CB-92145.12 CB-09SL2145.57CB-09BRMW-13D2124.73MW-13BR INTERSTATE 26 POWELL CREEK L A K E J U L I A N RAW WATERINTAKE POINT NEW NPDESOUTFALL OO1 L E G E N D A R E A O F C O N S T R U C T I O N A N D D E W A T E R I N G A S S E S S M E N T W E L L E L E V A T I O N I N F E E T ( m s l . ) M O N I T O R I N G W E L L E L E V A T I O N I N F E E T ( m s l . ) M W - 0 9 S 2 1 1 5 . 9 8 C B - 1 2 1 6 3 . 9 0 G W - 2 2 0 6 0 . 7 2 B A C K G R O U N D C O M P L I A N C E W E L L E L E V A T I O N I N F E E T ( m s l . ) W A T E R L E V E L C O N T O U R I N F E E T ( m s l . ) I N F E R R E D W A T E R L E V E L C O N T O U R ( m s l . ) 5 0 0 f t C O M P L I A N C E B O U N D A R Y D U K E E N E R G Y P R O G R E S S W A S T E B O U N D A R Y P A R C E L L I N E ( A P P R O X I M A T E ) S U R F I C I A L G R O U N D W A T E R F L O W D I R E C T I O N S O U R C E S : 2 . ) D R A W I N G H A S B E E N S E T W I T H A P R O J E C T I O N O F N O R T H C A R O L I N A S T A T E P L A N E C O O R D I N A T E S Y S T E M F I P S 3 2 0 0 ( N A D 8 3 ) . 3 . ) P A R C E L B O U N D A R Y W A S O B T A I N E D F R O M B U N C O M B E C O U N T Y G I S D A T A . 5 . ) C O M P L I A N C E M O N I T O R I N G W E L L L O C A T I O N S A N D W A S T E B O U N D A R Y F R O M F C A O F N C , S U R V E Y D A T E D M A R C H 2 0 0 9 . C O M P L I A N C E W E L L S C B - 3 R , C B - 9 A N D S G - 1 S U R V E Y E D B Y F C A O F N C , S U R V E Y D A T E D 2 0 1 2 - 1 1 - 2 8 . 6 . ) A D D I T I O N A L M O N I T O R I N G W E L L A N D P I E Z O M E T E R L O C A T I O N S W E R E B A S E D O N D A T A P R O V I D E D B Y P R O G R E S S E N E R G Y . W A T E R L E V E L S : 1 . ) W A T E R L E V E L S W E R E C O L L E C T E D B Y S Y N T E R R A O N D E C E M B E R 1 7 A N D 1 8 , 2 0 1 5 . 4 . ) N E W W E L L S W E R E S U R V E Y E D B Y M c K I M & C R E E D . T H E H O R I Z O N T A L D A T U M I S S E T T O N A D 8 3 A N D T H E V E R T I C A L D A T U M I S S E T N G V D 8 8 . D O W N G R A D I E N T C O M P L I A N C E W E L L E L E V A T I O N I N F E E T ( m s l . ) P - 1 0 2 2 1 1 2 . 8 7 P - 1 0 3 2 1 1 5 . 1 3 AB M W - 0 4 B R ABMW-042119.96ABMW-04D2119.41 S T R E A M W I T H F L O W D I R E C T I O N D E W A T E R I N G B A S I N W A T E R L E V E L V A R I E S     “  , )  1 2 7  3 8 0 3 , 1 *  $ 1 '     “  7 < 3 , & $ /  ' 5 $ :  ' 2 : 1 2120212021102100 2130 2080 2070 2 1 1 0 2 1 0 0 2 0 9 0 2 0 8 0 2 0 7 0 2 0 6 0 2030 2040 2050 206020702080 20902050205020402030 205020402030 2 1 6 0 2 1 5 0 2 1 4 0 2 1 3 0 2 1 2 0 2 1 1 0 2 1 0 0 G W - 1 2 1 6 0 . 8 0 C B - 0 1 B R L MW-18BRL 1 4 8 R I V E R S T R E E T , S U I T E 2 2 0 G R E E N V I L L E , S O U T H C A R O L I N A 2 9 6 0 1 P H O N E 8 6 4 - 4 2 1 - 9 9 9 9 w w w . s y n t e r r a c o r p . c o m P R O J E C T M A N A G E R : L A Y O U T : D R A W N B Y : T O D D P L A T I N G D A T E : J O H N C H A S T A I N F I G 1 - 5 ( W L M A P B E D R O C K ) 0 1 / 0 4 / 2 0 1 6 0 8 / 2 5 / 2 0 1 6 8 : 3 1 P M P : \ D u k e E n e r g y P r o g r e s s . 1 0 2 6 \ 1 0 2 . A s h e v i l l e A s h B a s i n G W A s s e s s m e n t P l a n \ 1 9 . E G _ C S A S U P \ D W G \ D E A S H E V I L L E C S A S U P W L M A P . d w g F I G U R E 1 - 5 B E D R O C K W A T E R L E V E L M A P D E C E M B E R 2 0 1 5 A S H B A S I N S A S H E V I L L E S T E A M E L E C T R I C P L A N T A R D E N , N O R T H C A R O L I N A 1 . ) O C T O B E R 1 6 , 2 0 1 5 A E R I A L P H O T O G R A P H W A S O B T A I N E D F R O M G O O G L E E A R T H D E W A T E R I N G P U M P # 1 ( N O T I N U S E ) D E W A T E R I N G B A S I N W A T E R L E V E L V A R I E S     “  , )  1 2 7  3 8 0 3 , 1 *  $ 1 '     “  7 < 3 , & $ /  ' 5 $ :  ' 2 : 1 D E W A T E R I N G P U M P # 2 2 5 0 0 2 5 0 5 0 0 G R A P H I C S C A L E I N F E E T CB-5 MW-20A CB-6MW-19BR2031.98CB-4B2042. 2 0 C B - 4 M W - 2 3 B R 2 0 6 5 . 1 0 M W - 2 3 D L M W - 2 3 D U M W - 2 1 D MW-2 2 D M W - 2 2 B R 2 0 3 6 . 1 0 P Z - 2 2 M W - 0 6 D M W - 0 6 S M W - 0 6 B R 2 0 6 0 . 7 2 GW-4 PZ-19 P - 1 0 0 P - 1 0 1 PZ- 1 6 PZ-17S PZ-17D2094.14 MW-17A MW-16BR2027.75 MW-16ACB-7MW-18BR2028.38 MW-18DGW-3 APD-1MW-07BR2033.83 GW-2 B-2B-1 B-1-A SETTLING PON D :/“ABMW-02SABMW-02 DP-1 APD-7 MW-09BR2114.23MW-09DMW-09SMW-08S MW-08BR2114.39 CB-8MW-12BR2114.18 CB-08BR2092.49 CB-08DDRYMW-12D MW-15DMW-15A MW-15BR2028.98 M A I N G A T E G U A R D H O U S E CP & L D R I V E W A T E R I N T A K E P O O L W A T E R I N T A K E L A K E J U L I A N C B - 0 1 D C B - 0 1 B R 2 1 5 8 . 1 0 C B - 1 G W - 0 1 D G W - 0 1 B R 2 1 5 8 . 9 8 M W - 0 1 D M W - 0 1 B R 2 1 4 6 . 7 9 P Z - 2 6 G W - 1 C B - 2 G W - 5 C B - 3 C B - 3 R M W - 0 3 D M W - 0 3 B R 2 0 8 5 . 9 2 M W - 0 5 D M W - 0 5 B R 2 0 6 9 . 0 9 N E W R O C K W O O D R D A B E R D E E N D R D O U G L A S F I R D R FISCHE R M I L L R D POND“ P O N D       “ P O N D       “ CB-9CB-09SLCB-09BR2132.46MW-13DMW-13BR2124.95 INTERSTATE 26 POWELL CREEK L A K E J U L I A N RAW WATERINTAKE POINT NEW NPDESOUTFALL OO1 S O U R C E S : 2 . ) D R A W I N G H A S B E E N S E T W I T H A P R O J E C T I O N O F N O R T H C A R O L I N A S T A T E P L A N E C O O R D I N A T E S Y S T E M F I P S 3 2 0 0 ( N A D 8 3 ) . 3 . ) P A R C E L B O U N D A R Y W A S O B T A I N E D F R O M B U N C O M B E C O U N T Y G I S D A T A . 5 . ) C O M P L I A N C E M O N I T O R I N G W E L L L O C A T I O N S A N D W A S T E B O U N D A R Y F R O M F C A O F N C , S U R V E Y D A T E D M A R C H 2 0 0 9 . C O M P L I A N C E W E L L S C B - 3 R , C B - 9 A N D S G - 1 S U R V E Y E D B Y F C A O F N C , S U R V E Y D A T E D 2 0 1 2 - 1 1 - 2 8 . 6 . ) A D D I T I O N A L M O N I T O R I N G W E L L A N D P I E Z O M E T E R L O C A T I O N S W E R E B A S E D O N D A T A P R O V I D E D B Y P R O G R E S S E N E R G Y . W A T E R L E V E L S : 1 . ) W A T E R L E V E L S W E R E C O L L E C T E D B Y S Y N T E R R A O N D E C E M B E R 1 7 , 2 0 1 5 . 4 . ) N E W W E L L S W E R E S U R V E Y E D B Y M c K I M & C R E E D . T H E H O R I Z O N T A L D A T U M I S S E T T O N A D 8 3 A N D T H E V E R T I C A L D A T U M I S S E T N G V D 8 8 . L E G E N D A R E A O F C O N S T R U C T I O N A N D D E W A T E R I N G A S S E S S M E N T W E L L E L E V A T I O N I N F E E T ( m s l . ) M O N I T O R I N G W E L L E L E V A T I O N I N F E E T ( m s l . ) C B - 1 B A C K G R O U N D C O M P L I A N C E W E L L E L E V A T I O N I N F E E T ( m s l . ) W A T E R L E V E L C O N T O U R I N F E E T ( m s l . ) I N F E R R E D W A T E R L E V E L C O N T O U R ( m s l . ) 5 0 0 f t C O M P L I A N C E B O U N D A R Y D U K E E N E R G Y P R O G R E S S W A S T E B O U N D A R Y P A R C E L L I N E ( A P P R O X I M A T E ) B E D R O C K G R O U N D W A T E R F L O W D I R E C T I O N D O W N G R A D I E N T C O M P L I A N C E W E L L E L E V A T I O N I N F E E T ( m s l . ) M W - 1 8 B R 2 0 2 8 . 3 8 C B - 4 B 2 0 4 2 . 2 0 A M W - 3 B 2 1 6 3 . 6 7 P - 1 0 2 P - 1 0 3 AB M W - 0 4 B R 21 1 9 . 5 5 ABMW-04ABMW-04D B E D R O C K H O L E ' 5 <  7 2      “ B O R E H O L E I N T O B E D R O C K W H I C H H A D A V E R Y L O W O R N O W A T E R Y I E L D S T R E A M W I T H F L O W D I R E C T I O N 2040205020602070208020902100 2 0 7 0 2 1 0 0 2110 212020502100 2 0 8 0 2 0 9 0 2 1 1 0 2 1 2 0 2 1 3 0 2 1 4 0 2 1 5 0 C B - 0 1 B R L MW-18BRL &< &< &< &< &< &< &< &< &< &> &> &< &< &< &< &> &> &< &< &< &> &> &< &< &< &< &< &< &> &> &> &< &> &< &< &< &> Bus Park Cir B e a r L e a h T rl U S H w y 7 4 I- 26 U S H w y 7 4 I- 26 1982 ASHBASIN 1964 ASHBASIN LAKEJULIAN HOTPONDSETTLING P O N DW.E. BASINS LAKEJULIAN 6 6 5 5 5 6 6 5 ABMW-2S4.1 MW-24S4.3 MW-104.6 CB-64.7 CB-14.8 GW-14.8 MW-15A4.9 MW-16A4.9 AS-35.0 CB-95.0 P-1055.0 PZ-265.0 CB-45.2 CB-25.3 MW-6S5.3 MW-115.4 P-1005.4 PZ-235.4 CB-55.5 CB-75.5 APD-75.5 PZ-225.5 P-1035.6 MW-17A5.7 MW-20A5.7 APD-15.7 CB-9SL5.7 GW-35.7 MW-9S5.7 P-1015.7 P-1045.7 PZ-195.7 ABMW-5S5.8 PZ-246.0 MW-8S6.1 ABMW-7S6.3 DP-17.1 PZ-277.5 7 NOTES: CONCENTRATIONS SHOWN REFLECT DATA GATHERED BETWEEN2/18/14 AND 7/8/16. THE NORTH CAROLINA 2L FOR pH IS 6.5-8.5 S.U. PROVISIONAL BACKGROUND CONCENTRATION IS 4.4 - 6.0 S.U. AERIAL PHOTOGRAPH OBTAINED FROM GOOGLE EARTH PRO,DATED 10/18/2015. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINASTATE PLANE COORDINATE SYSTEM FIPS 3200 (NAD83/2011). FIGURE 1-6ISOCONCENTRATION MAPpH IN SURFICIAL GROUNDWATERASHEVILLE STEAM ELECTRIC PLANTARDEN, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: T. PLATINGCHECKED BY: T. PLATING DATE: 08/26/2016 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Asheville\Map_Docs\CSA_Supplement\Asheville - Isoconcentration Maps_Surficial.mxd 330 0 330 660165 IN FEET GRAPHIC SCALE &<MONITORING WELL &>PIEZOMETER WATER SUPPLY WELL ASH BASIN BOUNDARY ASH BASIN COMPLIANCE BOUNDARY DUKE ENERGY PROGRESS ASHEVILLE PLANT SITEBOUNDARY LEGEND pH CONCENTRATION (S.U.)1 NOT DETECTED ABOVE REPORTING LIMITND INTERMEDIATE CONTOUR NORTH CAROLINA 2L CONTOUR APPROX. PROVISIONAL BACKGROUND CONTOUR HIGHEST CONCENTRATION AREA CONTOUR &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &> &< &> &< &< &< 1982 ASHBASIN 1964 ASHBASIN Bus Park Cir B e a r L e a h T rl U S H w y 74 I- 26 U S H w y 74 I- 26 F R E N C H B R O A D R I V E R LAKEJULIAN HOTPONDSETTLING P O N D W.E.BASINS LAKEJULIAN 6 6 MW-5D4.0 MW-3D4.6 MW-22D4.6 CB-3R4.9 CB-1D5.1 CB-85.1 MW-4D5.1 MW-21D5.1 GW-1D5.3 MW-12D5.3 MW-11D5.4 GW-45.5 MW-1D5.5 MW-6D5.5 GW-55.6 MW-18D5.6 MW-23DU5.6 ABMW-4D5.7 MW-9D5.7 MW-15D5.7 PZ-17S5.7 AMW-2A5.8 PZ-165.8 ABMW-5D6.1 MW-13D6.7 MW-23DL7.1 NOTES: CONCENTRATIONS SHOWN REFLECT DATA GATHERED BETWEEN2/20/14 AND 7/8/16. THE NORTH CAROLINA 2L FOR pH IS 6.5-8.5 S.U. PROVISIONAL BACKGROUND CONCENTRATION IS 5.6 - 6.7 S.U. AERIAL PHOTOGRAPH OBTAINED FROM GOOGLE EARTH PRO,DATED 10/18/2015. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINASTATE PLANE COORDINATE SYSTEM FIPS 3200 (NAD83/2011). FIGURE 1-7ISOCONCENTRATION MAPpH IN TRANSITION ZONE GROUNDWATERASHEVILLE STEAM ELECTRIC PLANTARDEN, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: T. PLATINGCHECKED BY: T. PLATING DATE: 08/25/2016 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Asheville\Map_Docs\CSA_Supplement\Asheville - Isoconcentration Maps_Transition.mxd 330 0 330 660165 IN FEET GRAPHIC SCALE &<MONITORING WELL &>PIEZOMETER ASH BASIN BOUNDARY ASH BASIN COMPLIANCE BOUNDARY DUKE ENERGY PROGRESS ASHEVILLE PLANT SITEBOUNDARY LEGENDpH CONCENTRATION (S.U.)1 NOT DETECTED ABOVE REPORTING LIMITND INTERMEDIATE CONTOUR NORTH CAROLINA 2L CONTOUR APPROX. PROVISIONAL BACKGROUND CONTOUR HIGHEST CONCENTRATION AREA CONTOUR &< &< &< &< &< &< &> &< &< &< &< &< &< &< &< &< &< &< &< &< Bus Park Cir B e a r L e a h T rl U S H w y 74 I- 2 6 U S H w y 7 4 I- 26 1982 ASHBASIN 1964 ASHBASIN F R E N C H B R O A D R I V E R LAKEJULIAN HOTPONDSETTLING P O N D W.E.BASINS LAKEJULIAN 7 8 7 8 7 AS-44.5 AS-55.1MW-22BR5.4 MW-13BR5.5 GW-25.6 MW-18BR5.6 AS-155.7 AMW-3B5.7 MW-16BR6.0 PZ-17D6.1 CB-9BR6.1 AS-176.4 AS-96.6 DW-66.6 MW-1BR6.6 AS-66.9 MW-14BR6.9 GW-1BR7.0 MW-5BR7.0 CB-4B7.1 CB-8BR7.1 ABMW-5BR7.2 AMW-1B7.2 MW-9BR7.2 AS-207.5 AS-147.6 ABMW-11BR8.1 AS-138.1 AS-118.5 MW-2BR8.8MW-6BR8.9 NOTES: CONCENTRATIONS SHOWN REFLECT DATA GATHERED BETWEEN2/9/16 AND 7/12/16. THE NORTH CAROLINA 2L FOR pH IS 6.5-8.5 S.U. PROVISIONAL BACKGROUND CONCENTRATION IS 6.1 - 8.9 S.U. AERIAL PHOTOGRAPH OBTAINED FROM GOOGLE EARTH PRO,DATED 10/18/2015. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINASTATE PLANE COORDINATE SYSTEM FIPS 3200 (NAD83/2011). FIGURE 1-8ISOCONCENTRATION MAPpH IN BEDROCK GROUNDWATERASHEVILLE STEAM ELECTRIC PLANTARDEN, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: T. PLATINGCHECKED BY: T. PLATING DATE: 08/25/2016 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Asheville\Map_Docs\CSA_Supplement\Asheville - Isoconcentration Maps_Bedrock.mxd 330 0 330 660165 IN FEET GRAPHIC SCALE &<MONITORING WELL &>PIEZOMETER WATER SUPPLY WELL ASH BASIN BOUNDARY ASH BASIN COMPLIANCE BOUNDARY DUKE ENERGY PROGRESS ASHEVILLE PLANT SITEBOUNDARY LEGEND pH CONCENTRATION (S.U.)1 NOT DETECTED ABOVE REPORTING LIMITND INTERMEDIATE CONTOUR NORTH CAROLINA 2L CONTOUR APPROX. PROVISIONAL BACKGROUND CONTOUR HIGHEST CONCENTRATION AREA CONTOUR &> &> &< &< &> &> &< &> &< &< &< &< &> &< &> &> &< &< &> &< &< &< &> &< &< &< &<&< &< &< &< &< &< &< &< Bus Park Cir B e a r L e a h T rl U S H w y 7 4 I- 2 6 U S H w y 74 I- 26 1982 ASHBASIN 1964 ASHBASIN F R E N C H B R O A D R I V E R LAKEJULIAN HOTPONDSETTLING P O N D LAKEJULIAN P-10081 P-103125 ABMW-5S169 ABMW-7S170 P-104184 P-101199 CB-2227PZ-22240 CB-5245 DP-1255 MW-6S256 APD-7271 P-105279 MW-20A294 PZ-24295 PZ-19322 GW-3324 CB-9SL334 PZ-23352 ABMW-2S370MW-17A389 MW-8S402 PZ-26428 CB-6448 AS-3511 MW-11514 CB-7518 MW-24S530MW-15A545 MW-16A548 CB-9553 MW-10564 CB-1565 MW-9S567 GW-1571 CB-4588 4 0 0 NOTES: CONCENTRATIONS SHOWN REFLECT DATA GATHERED BETWEEN2/18/14 AND 7/8/16. NO NORTH CAROLINA 2L OR INTERIM MAXIMUM ALLOWABLECONCENTRATION ESTABLISHED FOR Eh. AERIAL PHOTOGRAPH OBTAINED FROM GOOGLE EARTH PRO,DATED 10/18/2015. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINASTATE PLANE COORDINATE SYSTEM FIPS 3200 (NAD83/2011). FIGURE 1-9ISOCONCENTRATION MAPEh IN SURFICIAL GROUNDWATERASHEVILLE STEAM ELECTRIC PLANTARDEN, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: T. PLATINGCHECKED BY: T. PLATING DATE: 08/26/2016 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Asheville\Map_Docs\CSA_Supplement\Asheville - Isoconcentration Maps_Surficial.mxd 330 0 330 660165 IN FEET GRAPHIC SCALE &<MONITORING WELL &>PIEZOMETER WATER SUPPLY WELL ASH BASIN BOUNDARY ASH BASIN COMPLIANCE BOUNDARY DUKE ENERGY PROGRESS ASHEVILLE PLANT SITEBOUNDARY LEGEND Eh CONCENTRATION (mV)1 NOT DETECTED ABOVE REPORTING LIMITND INTERMEDIATE CONTOUR STANDARD CONTOUR APPROX. PROVISIONAL BACKGROUND CONTOUR HIGHEST CONCENTRATION AREA CONTOUR 1 4 8 R I V E R S T R E E T , S U I T E 2 2 0 G R E E N V I L L E , S O U T H C A R O L I N A 2 9 6 0 1 P H O N E 8 6 4 - 4 2 1 - 9 9 9 9 w w w . s y n t e r r a c o r p . c o m P R O J E C T M A N A G E R : L A Y O U T : D R A W N B Y : T O D D P L A T I N G D A T E : J O H N C H A S T A I N F I G 1 - 5 ( W L M A P B E D R O C K ) 0 1 / 0 4 / 2 0 1 6 0 8 / 2 5 / 2 0 1 6 8 : 3 1 P M P : \ D u k e E n e r g y P r o g r e s s . 1 0 2 6 \ 1 0 2 . A s h e v i l l e A s h B a s i n G W A s s e s s m e n t P l a n \ 1 9 . E G _ C S A S U P \ D W G \ D E A S H E V I L L E C S A S U P W L M A P . d w g F I G U R E 1 - 5 B E D R O C K W A T E R L E V E L M A P D E C E M B E R 2 0 1 5 A S H B A S I N S A S H E V I L L E S T E A M E L E C T R I C P L A N T A R D E N , N O R T H C A R O L I N A 1 . ) O C T O B E R 1 6 , 2 0 1 5 A E R I A L P H O T O G R A P H W A S O B T A I N E D F R O M G O O G L E E A R T H D E W A T E R I N G P U M P # 1 ( N O T I N U S E ) D E W A T E R I N G B A S I N W A T E R L E V E L V A R I E S     “  , )  1 2 7  3 8 0 3 , 1 *  $ 1 '     “  7 < 3 , & $ /  ' 5 $ :  ' 2 : 1 D E W A T E R I N G P U M P # 2 2 5 0 0 2 5 0 5 0 0 G R A P H I C S C A L E I N F E E T CB-5 MW-20A CB-6MW-19BR2031.98CB-4B2042. 2 0 C B - 4 M W - 2 3 B R 2 0 6 5 . 1 0 M W - 2 3 D L M W - 2 3 D U M W - 2 1 D MW-2 2 D M W - 2 2 B R 2 0 3 6 . 1 0 P Z - 2 2 M W - 0 6 D M W - 0 6 S M W - 0 6 B R 2 0 6 0 . 7 2 GW-4 PZ-19 P - 1 0 0 P - 1 0 1 PZ- 1 6 PZ-17S PZ-17D2094.14 MW-17A MW-16BR2027.75 MW-16ACB-7MW-18BR2028.38 MW-18DGW-3 APD-1MW-07BR2033.83 GW-2 B-2B-1 B-1-A SETTLING PON D :/“ABMW-02SABMW-02 DP-1 APD-7 MW-09BR2114.23MW-09DMW-09SMW-08S MW-08BR2114.39 CB-8MW-12BR2114.18 CB-08BR2092.49 CB-08DDRYMW-12D MW-15DMW-15A MW-15BR2028.98 M A I N G A T E G U A R D H O U S E CP & L D R I V E W A T E R I N T A K E P O O L W A T E R I N T A K E L A K E J U L I A N C B - 0 1 D C B - 0 1 B R 2 1 5 8 . 1 0 C B - 1 G W - 0 1 D G W - 0 1 B R 2 1 5 8 . 9 8 M W - 0 1 D M W - 0 1 B R 2 1 4 6 . 7 9 P Z - 2 6 G W - 1 C B - 2 G W - 5 C B - 3 C B - 3 R M W - 0 3 D M W - 0 3 B R 2 0 8 5 . 9 2 M W - 0 5 D M W - 0 5 B R 2 0 6 9 . 0 9 N E W R O C K W O O D R D A B E R D E E N D R D O U G L A S F I R D R FISCHE R M I L L R D POND“ P O N D       “ P O N D       “ CB-9CB-09SLCB-09BR2132.46MW-13DMW-13BR2124.95 INTERSTATE 26 POWELL CREEK L A K E J U L I A N RAW WATERINTAKE POINT NEW NPDESOUTFALL OO1 S O U R C E S : 2 . ) D R A W I N G H A S B E E N S E T W I T H A P R O J E C T I O N O F N O R T H C A R O L I N A S T A T E P L A N E C O O R D I N A T E S Y S T E M F I P S 3 2 0 0 ( N A D 8 3 ) . 3 . ) P A R C E L B O U N D A R Y W A S O B T A I N E D F R O M B U N C O M B E C O U N T Y G I S D A T A . 5 . ) C O M P L I A N C E M O N I T O R I N G W E L L L O C A T I O N S A N D W A S T E B O U N D A R Y F R O M F C A O F N C , S U R V E Y D A T E D M A R C H 2 0 0 9 . C O M P L I A N C E W E L L S C B - 3 R , C B - 9 A N D S G - 1 S U R V E Y E D B Y F C A O F N C , S U R V E Y D A T E D 2 0 1 2 - 1 1 - 2 8 . 6 . ) A D D I T I O N A L M O N I T O R I N G W E L L A N D P I E Z O M E T E R L O C A T I O N S W E R E B A S E D O N D A T A P R O V I D E D B Y P R O G R E S S E N E R G Y . W A T E R L E V E L S : 1 . ) W A T E R L E V E L S W E R E C O L L E C T E D B Y S Y N T E R R A O N D E C E M B E R 1 7 , 2 0 1 5 . 4 . ) N E W W E L L S W E R E S U R V E Y E D B Y M c K I M & C R E E D . T H E H O R I Z O N T A L D A T U M I S S E T T O N A D 8 3 A N D T H E V E R T I C A L D A T U M I S S E T N G V D 8 8 . L E G E N D A R E A O F C O N S T R U C T I O N A N D D E W A T E R I N G A S S E S S M E N T W E L L E L E V A T I O N I N F E E T ( m s l . ) M O N I T O R I N G W E L L E L E V A T I O N I N F E E T ( m s l . ) C B - 1 B A C K G R O U N D C O M P L I A N C E W E L L E L E V A T I O N I N F E E T ( m s l . ) W A T E R L E V E L C O N T O U R I N F E E T ( m s l . ) I N F E R R E D W A T E R L E V E L C O N T O U R ( m s l . ) 5 0 0 f t C O M P L I A N C E B O U N D A R Y D U K E E N E R G Y P R O G R E S S W A S T E B O U N D A R Y P A R C E L L I N E ( A P P R O X I M A T E ) B E D R O C K G R O U N D W A T E R F L O W D I R E C T I O N D O W N G R A D I E N T C O M P L I A N C E W E L L E L E V A T I O N I N F E E T ( m s l . ) M W - 1 8 B R 2 0 2 8 . 3 8 C B - 4 B 2 0 4 2 . 2 0 A M W - 3 B 2 1 6 3 . 6 7 P - 1 0 2 P - 1 0 3 AB M W - 0 4 B R 21 1 9 . 5 5 ABMW-04ABMW-04D B E D R O C K H O L E ' 5 <  7 2      “ B O R E H O L E I N T O B E D R O C K W H I C H H A D A V E R Y L O W O R N O W A T E R Y I E L D S T R E A M W I T H F L O W D I R E C T I O N 2040205020602070208020902100 2 0 7 0 2 1 0 0 2110 212020502100 2 0 8 0 2 0 9 0 2 1 1 0 2 1 2 0 2 1 3 0 2 1 4 0 2 1 5 0 C B - 0 1 B R L MW-18BRL &< &< &< &< &< &< &< &< &> &< &< &> &< &< &< &< &< &< &< &< &< &< &< &< &< 1982 ASHBASIN 1964 ASHBASIN Bus Park Cir B e a r L e a h T rl U S H w y 74 I- 2 6 U S H w y 7 4 I- 2 6 F R E N C H B R O A D R I V E R LAKEJULIAN HOTPONDSETTLING P O N D W.E.BASINS LAKEJULIAN 4 0 0 400 MW-23DL107 ABMW-5D109 MW-13D184 ABMW-4D252 MW-3D254 GW-4288 MW-1D307 AMW-2A318 PZ-16319 MW-23DU331 MW-9D347 PZ-17S369 MW-4D372 GW-1D383 CB-1D418MW-18D454 MW-21D473 MW-12D473 MW-5D517 MW-22D517 MW-15D560 MW-11D574 CB-3R586 CB-8592 MW-6D633 NOTES: CONCENTRATIONS SHOWN REFLECT DATA GATHERED BETWEEN2/20/14 AND 7/8/16. NO NORTH CAROLINA 2L OR INTERIM MAXIMUM ALLOWABLECONCENTRATION ESTABLISHED FOR Eh. AERIAL PHOTOGRAPH OBTAINED FROM GOOGLE EARTH PRO,DATED 10/18/2015. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINASTATE PLANE COORDINATE SYSTEM FIPS 3200 (NAD83/2011). FIGURE 1-10ISOCONCENTRATION MAPEh IN TRANSITION ZONE GROUNDWATERASHEVILLE STEAM ELECTRIC PLANTARDEN, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: T. PLATINGCHECKED BY: T. PLATING DATE: 08/25/2016 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Asheville\Map_Docs\CSA_Supplement\Asheville - Isoconcentration Maps_Transition.mxd 330 0 330 660165 IN FEET GRAPHIC SCALE &<MONITORING WELL &>PIEZOMETER ASH BASIN BOUNDARY ASH BASIN COMPLIANCE BOUNDARY DUKE ENERGY PROGRESS ASHEVILLE PLANT SITEBOUNDARY LEGENDEh CONCENTRATION (mV)1 NOT DETECTED ABOVE REPORTING LIMITND INTERMEDIATE CONTOUR STANDARD CONTOUR APPROX. PROVISIONAL BACKGROUND CONTOUR HIGHEST CONCENTRATION AREA CONTOUR &< &< &< &< &> &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< Bus Park Cir B e a r L e a h T rl U S H w y 7 4 I- 2 6 U S H w y 74 I- 26 1982 ASHBASIN 1964 ASHBASIN F R E N C H B R O A D R I V E R LAKEJULIAN HOTPONDSETTLING P O N D W.E.BASINS LAKEJULIAN 4 0 0 400 400 ABMW-5BR-40 AS-652 AMW-1B81 MW-9BR82 MW-5BR100 PZ-17D102 GW-2108 DW-6111 MW-6BR121 GW-1BR124 CB-8BR187 MW-1BR192 AS-11222 AS-13222 AS-14253 CB-4B256 AS-20272 MW-2BR272 MW-16BR274 MW-22BR287 ABMW-11BR295 MW-13BR305 MW-14BR365 AS-9400 CB-9BR464 AMW-3B517 MW-18BR554 AS-4586 NOTES: CONCENTRATIONS SHOWN REFLECT DATA GATHERED BETWEEN2/9/16 AND 7/12/16. NO NORTH CAROLINA 2L OR INTERIM MAXIMUM ALLOWABLECONCENTRATION ESTABLISHED FOR Eh. AERIAL PHOTOGRAPH OBTAINED FROM GOOGLE EARTH PRO,DATED 10/18/2015. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINASTATE PLANE COORDINATE SYSTEM FIPS 3200 (NAD83/2011). FIGURE 1-11ISOCONCENTRATION MAPEh IN BEDROCK GROUNDWATERASHEVILLE STEAM ELECTRIC PLANTARDEN, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: T. PLATINGCHECKED BY: T. PLATING DATE: 08/25/2016 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Asheville\Map_Docs\CSA_Supplement\Asheville - Isoconcentration Maps_Bedrock.mxd 330 0 330 660165 IN FEET GRAPHIC SCALE &<MONITORING WELL &>PIEZOMETER WATER SUPPLY WELL ASH BASIN BOUNDARY ASH BASIN COMPLIANCE BOUNDARY DUKE ENERGY PROGRESS ASHEVILLE PLANT SITEBOUNDARY LEGEND Eh CONCENTRATION (mV)1 NOT DETECTED ABOVE REPORTING LIMITND INTERMEDIATE CONTOUR STANDARD CONTOUR APPROX. PROVISIONAL BACKGROUND CONTOUR HIGHEST CONCENTRATION AREA CONTOUR &< &< &> &< &< &> &< &< &< &< &< &> &< &< &> &> &< &< &< &> &> &< &> &< &> &< &< &> &< &< &< &< &< &> &< &< &< Bus Park Cir B e a r L e a h T rl U S H w y 74 I- 26 U S H w y 74 I- 26 1982 ASHBASIN 1964 ASHBASINF R E N C H B R O A D R I V E R LAKEJULIAN HOTPONDSETTLING P O N DW.E. BASINS LAKEJULIAN 2 0 0 0 CB-117 CB-936 PZ-2641 CB-9SL55 MW-1070 P-10570 MW-24S80 CB-2157 APD-7169 MW-15A173 GW-1180 P-103209 GW-3221 ABMW-5S222 P-104222 PZ-23228 CB-4241 AS-3256 CB-5290 MW-6S343 P-100359 P-101418 ABMW-7S423 PZ-19450 MW-20A464 PZ-22467 MW-16A480 MW-11501 PZ-24511 DP-1550 APD-1653 CB-7670 ABMW-2S866 CB-61122 PZ-271376 MW-17A1704 MW-8S1851 MW-9S2135 NOTES: CONCENTRATIONS SHOWN REFLECT DATA GATHERED BETWEEN2/18/14 AND 7/8/16. NO NORTH CAROLINA 2L OR INTERIM MAXIMUM ALLOWABLECONCENTRATION ESTABLISHED FOR SPECIFIC CONDUCTANCE. AERIAL PHOTOGRAPH OBTAINED FROM GOOGLE EARTH PRO,DATED 10/18/2015. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINASTATE PLANE COORDINATE SYSTEM FIPS 3200 (NAD83/2011). FIGURE 1-12ISOCONCENTRATION MAPSPECIFIC CONDUCTANCE IN SURFICIALGROUNDWATERASHEVILLE STEAM ELECTRIC PLANTARDEN, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: T. PLATINGCHECKED BY: T. PLATING DATE: 08/26/2016 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Asheville\Map_Docs\CSA_Supplement\Asheville - Isoconcentration Maps_Surficial.mxd 330 0 330 660165 IN FEET GRAPHIC SCALE &<MONITORING WELL &>PIEZOMETER WATER SUPPLY WELL ASH BASIN BOUNDARY ASH BASIN COMPLIANCE BOUNDARY DUKE ENERGY PROGRESS ASHEVILLE PLANT SITEBOUNDARY LEGEND SPECIFIC CONDUCTANCE CONCENTRATION (umhos/cm)1 NOT DETECTED ABOVE REPORTING LIMITND INTERMEDIATE CONTOUR STANDARD CONTOUR APPROX. PROVISIONAL BACKGROUND CONTOUR HIGHEST CONCENTRATION AREA CONTOUR &< &< &< &> &< &< &< &< &< &< &< &< &< &< &> &< &<&< &< &<&< &< &< &< &< &< 1982 ASHBASIN 1964 ASHBASIN Bus Park Cir B e a r L e a h T rl U S H w y 74 I- 26 U S H w y 7 4 I- 2 6 F R E N C H B R O A D R I V E R LAKEJULIAN HOTPONDSETTLING P O N D W.E.BASINS LAKEJULIAN 1 5 0 0 CB-1D30 GW-1D43.2 MW-4D46PZ-17S53 MW-1D56 MW-12D72 MW-15D105 MW-23DU109 MW-13D132 MW-22D144 MW-21D181 AMW-2A221 MW-23DL268 ABMW-5D270 PZ-16326 ABMW-4D356 MW-6D383 GW-4390 MW-5D392 MW-3D444GW-5483 CB-3R517 MW-11D620 CB-8743 MW-18D923 MW-9D2034 NOTES: CONCENTRATIONS SHOWN REFLECT DATA GATHERED BETWEEN2/20/14 AND 7/8/16. NO NORTH CAROLINA 2L OR INTERIM MAXIMUM ALLOWABLECONCENTRATION ESTABLISHED FOR SPECIFIC CONDUCTANCE. AERIAL PHOTOGRAPH OBTAINED FROM GOOGLE EARTH PRO,DATED 10/18/2015. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINASTATE PLANE COORDINATE SYSTEM FIPS 3200 (NAD83/2011). FIGURE 1-13ISOCONCENTRATION MAPSPECIFIC CONDUCTANCE IN TRANSITION ZONEGROUNDWATERASHEVILLE STEAM ELECTRIC PLANTARDEN, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: T. PLATINGCHECKED BY: T. PLATING DATE: 08/25/2016 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Asheville\Map_Docs\CSA_Supplement\Asheville - Isoconcentration Maps_Transition.mxd 330 0 330 660165 IN FEET GRAPHIC SCALE &<MONITORING WELL &>PIEZOMETER ASH BASIN BOUNDARY ASH BASIN COMPLIANCE BOUNDARY DUKE ENERGY PROGRESS ASHEVILLE PLANT SITEBOUNDARY LEGENDSPECIFIC CONDUCTANCE CONCENTRATION (umhos/cm)1 NOT DETECTED ABOVE REPORTING LIMITND INTERMEDIATE CONTOUR STANDARD CONTOUR APPROX. PROVISIONAL BACKGROUND CONTOUR HIGHEST CONCENTRATION AREA CONTOUR &< &< &< &< &< &< &< &< &< &< &< &< &> &< &< &< &< &< &< &< Bus Park Cir B e a r L e a h T rl U S H w y 74 I- 26 U S H w y 74 I- 26 1982ASH BASIN1964 ASHBASIN F R E N C H B R O A D R I V E R LAKEJULIAN HOTPONDSETTLING P O N D W.E.BASINS LAKEJULIAN MW-13BR48 AS-1558 AMW-3B70 AS-573AS-1777.2 CB-9BR91 MW-1BR102 AS-9135 GW-1BR155 DW-6161 MW-6BR197 CB-4B241 MW-22BR254 MW-2BR274 CB-8BR275 ABMW-11BR282 ABMW-5BR301 AS-6369 PZ-17D376 MW-5BR378 AMW-1B394 AS-4454 AS-20473 MW-16BR525 MW-14BR598 AS-14713 GW-2811 AS-11838 MW-18BR903 AS-131042 MW-9BR1367 1 0 0 0 NOTES: CONCENTRATIONS SHOWN REFLECT DATA GATHERED BETWEEN2/9/16 AND 7/12/16. NO NORTH CAROLINA 2L OR INTERIM MAXIMUM ALLOWABLECONCENTRATION ESTABLISHED FOR SPECIFIC CONDUCTANCE. AERIAL PHOTOGRAPH OBTAINED FROM GOOGLE EARTH PRO,DATED 10/18/2015. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINASTATE PLANE COORDINATE SYSTEM FIPS 3200 (NAD83/2011). FIGURE 1-14ISOCONCENTRATION MAPSPECIFIC CONDUCTANCE IN BEDROCKGROUNDWATERASHEVILLE STEAM ELECTRIC PLANTARDEN, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: T. PLATINGCHECKED BY: T. PLATING DATE: 08/25/2016 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Asheville\Map_Docs\CSA_Supplement\Asheville - Isoconcentration Maps_Bedrock.mxd 330 0 330 660165 IN FEET GRAPHIC SCALE &<MONITORING WELL &>PIEZOMETER WATER SUPPLY WELL ASH BASIN BOUNDARY ASH BASIN COMPLIANCE BOUNDARY DUKE ENERGY PROGRESS ASHEVILLE PLANT SITEBOUNDARY LEGEND SPECIFIC CONDUCTANCE CONCENTRATION (umhos/cm)1 NOT DETECTED ABOVE REPORTING LIMITND INTERMEDIATE CONTOUR STANDARD CONTOUR APPROX. PROVISIONAL BACKGROUND CONTOUR HIGHEST CONCENTRATION AREA CONTOUR &> &< &< &< &< &> &> &< &< &< &< &< &< &< &< &< &< &< &< &< &< &<&< &< &< &< &< &< &< &> &> &> &> &> &> &> &> Bus Park Cir B e a r L e a h T rl U S H w y 74 I- 2 6 U S H w y 7 4 I- 26 1982 ASHBASIN 1964 ASHBASINF R E N C H B R O A D R I V E R LAKEJULIAN HOTPONDSETTLING P O N D LAKEJULIAN 1 1 PZ-241.11 MW-17A1.26 APD-11.35 ABMW-2S23.5 DP-11180 PZ-271730 PZ-26ND AS-3ND CB-5ND CB-6ND CB-7ND MW-10ND MW-11ND MW-15AND MW-16AND MW-20AND ABMW-5SND ABMW-7SND APD-7ND CB-1ND CB-2ND CB-4ND CB-9ND CB-9SLND GW-1ND GW-3ND MW-6SND MW-8SND MW-9SND MW-24SND P-100ND P-101ND P-103ND P-104ND P-105ND PZ-19ND PZ-22ND PZ-23ND 1 0 1 0 0 0 1 0 0 0 NOTES: CONCENTRATIONS SHOWN REFLECT DATA GATHERED BETWEEN2/18/14 AND 7/8/16. THE NORTH CAROLINA 2L FOR ARSENIC IS 10 μg/L. PROVISIONAL BACKGROUND CONCENTRATION IS 1 μg/L. AERIAL PHOTOGRAPH OBTAINED FROM GOOGLE EARTH PRO,DATED 10/18/2015. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINASTATE PLANE COORDINATE SYSTEM FIPS 3200 (NAD83/2011). FIGURE 1-15ISOCONCENTRATION MAPARSENIC IN SURFICIAL GROUNDWATERASHEVILLE STEAM ELECTRIC PLANTARDEN, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: T. PLATINGCHECKED BY: T. PLATING DATE: 08/26/2016 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Asheville\Map_Docs\CSA_Supplement\Asheville - Isoconcentration Maps_Surficial.mxd 330 0 330 660165 IN FEET GRAPHIC SCALE &<MONITORING WELL &>PIEZOMETER WATER SUPPLY WELL ASH BASIN BOUNDARY ASH BASIN COMPLIANCE BOUNDARY DUKE ENERGY PROGRESS ASHEVILLE PLANT SITEBOUNDARY LEGEND TOTAL ARSENIC CONCENTRATION (μg/L)1 NOT DETECTED ABOVE REPORTING LIMITND INTERMEDIATE CONTOUR NORTH CAROLINA 2L CONTOUR APPROX. PROVISIONAL BACKGROUND CONTOUR HIGHEST CONCENTRATION AREA CONTOUR &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &<&< &>&> 1982 ASHBASIN 1964 ASHBASIN Bus Park Cir B e a r L e a h T rl U S H w y 74 I- 2 6 U S H w y 74 I- 26 F R E N C H B R O A D R I V E R LAKEJULIAN HOTPONDSETTLING P O N D W.E.BASINS LAKEJULIAN 1 GW-51.03 ABMW-4D2.21 ABMW-5DND AMW-2AND CB-1DND CB-3RND CB-8ND GW-1DND GW-4ND MW-1DND MW-3DND MW-4DND MW-5DND MW-6DND MW-9DND MW-11DND MW-12DND MW-13DND MW-15DND MW-18DND MW-21DND MW-22DND MW-23DLND MW-23DUND PZ-16ND PZ-17SND NOTES: CONCENTRATIONS SHOWN REFLECT DATA GATHERED BETWEEN2/20/14 AND 7/8/16. THE NORTH CAROLINA 2L FOR ARSENIC IS 10 μg/L. PROVISIONAL BACKGROUND CONCENTRATION IS 1 μg/L. AERIAL PHOTOGRAPH OBTAINED FROM GOOGLE EARTH PRO,DATED 10/18/2015. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINASTATE PLANE COORDINATE SYSTEM FIPS 3200 (NAD83/2011). FIGURE 1-16ISOCONCENTRATION MAPARSENIC IN TRANSITION ZONE GROUNDWATERASHEVILLE STEAM ELECTRIC PLANTARDEN, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: T. PLATINGCHECKED BY: T. PLATING DATE: 08/25/2016 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Asheville\Map_Docs\CSA_Supplement\Asheville - Isoconcentration Maps_Transition.mxd 330 0 330 660165 IN FEET GRAPHIC SCALE &<MONITORING WELL &>PIEZOMETER ASH BASIN BOUNDARY ASH BASIN COMPLIANCE BOUNDARY DUKE ENERGY PROGRESS ASHEVILLE PLANT SITEBOUNDARY LEGENDTOTAL ARSENIC CONCENTRATION (μg/L)1 NOT DETECTED ABOVE REPORTING LIMITND INTERMEDIATE CONTOUR NORTH CAROLINA 2L CONTOUR APPROX. PROVISIONAL BACKGROUND CONTOUR HIGHEST CONCENTRATION AREA CONTOUR &< &< &< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &> Bus Park Cir B e a r L e a h T rl U S H w y 74 I- 26 U S H w y 74 I- 26 1982ASH BASIN 1964 ASHBASIN F R E N C H B R O A D R I V E R LAKEJULIAN HOTPONDSETTLING P O N D W.E.BASINS LAKEJULIAN 1 1 AS-41.62 GW-21.82 AS-15ND AS-17ND ABMW-5BRND ABMW-11BRND AMW-1BND AMW-3BND AS-6ND AS-9ND AS-11ND AS-13ND AS-14NDAS-20ND CB-4BND CB-8BRND CB-9BRND DW-6ND GW-1BRND MW-1BRND MW-2BRND MW-5BRND MW-6BRND MW-9BRND MW-13BRND MW-14BRND MW-16BRND MW-18BRND MW-22BRND PZ-17DND AS-5ND NOTES: CONCENTRATIONS SHOWN REFLECT DATA GATHERED BETWEEN2/9/16 AND 7/12/16. THE NORTH CAROLINA 2L FOR ARSENIC IS 10 μg/L. PROVISIONAL BACKGROUND CONCENTRATION IS 1 μg/L. AERIAL PHOTOGRAPH OBTAINED FROM GOOGLE EARTH PRO,DATED 10/18/2015. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINASTATE PLANE COORDINATE SYSTEM FIPS 3200 (NAD83/2011). FIGURE 1-17ISOCONCENTRATION MAPARSENIC IN BEDROCK GROUNDWATERASHEVILLE STEAM ELECTRIC PLANTARDEN, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: T. PLATINGCHECKED BY: T. PLATING DATE: 08/25/2016 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Asheville\Map_Docs\CSA_Supplement\Asheville - Isoconcentration Maps_Bedrock.mxd 330 0 330 660165 IN FEET GRAPHIC SCALE &<MONITORING WELL &>PIEZOMETER WATER SUPPLY WELL ASH BASIN BOUNDARY ASH BASIN COMPLIANCE BOUNDARY DUKE ENERGY PROGRESS ASHEVILLE PLANT SITEBOUNDARY LEGEND TOTAL ARSENIC CONCENTRATION (μg/L)1 NOT DETECTED ABOVE REPORTING LIMITND INTERMEDIATE CONTOUR NORTH CAROLINA 2L CONTOUR APPROX. PROVISIONAL BACKGROUND CONTOUR HIGHEST CONCENTRATION AREA CONTOUR &< &< &> &<&> &< &< &< &< &> &< &< &> &< &< &< &< &< &> &< &> &> &> &< &< &< &< &< &< &< &<&< &< &< &> &> &> Bus Park Cir B e a r L e a h T rl U S H w y 7 4 I- 26 U S H w y 7 4 I- 26 1982 ASHBASIN 1964 ASHBASIN F R E N C H B R O A D R I V E R LAKEJULIAN HOTPONDSETTLING P O N DW.E. BASINS LAKEJULIAN 50 APD-7119 MW-15A132 P-104194 CB-2198 PZ-23226 CB-5246 CB-7272 DP-1378 CB-4400 P-103420GW-3477 MW-16A517 P-100732 MW-20A751 CB-6780 ABMW-7S789 ABMW-2S851 APD-1949 PZ-19969 MW-6S1050 P-1011200 PZ-221210 PZ-272370 MW-17A2470 MW-9S5560 MW-8S6140 AS-3ND MW-10ND MW-11ND ABMW-5SND CB-1ND CB-9ND CB-9SLND GW-1ND MW-24SND P-105ND PZ-24ND PZ-26ND 5 0 0 0 7 0 0 7 0 0 NOTES: CONCENTRATIONS SHOWN REFLECT DATA GATHERED BETWEEN2/18/14 AND 7/8/16. THE NORTH CAROLINA 2L FOR BORON IS 700 μg/L. PROVISIONAL BACKGROUND CONCENTRATION IS SET AT DETECTIONLIMIT OF 50 μg/L. AERIAL PHOTOGRAPH OBTAINED FROM GOOGLE EARTH PRO,DATED 10/18/2015. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINASTATE PLANE COORDINATE SYSTEM FIPS 3200 (NAD83/2011). FIGURE 1-18ISOCONCENTRATION MAPBORON IN SURFICIAL GROUNDWATERASHEVILLE STEAM ELECTRIC PLANTARDEN, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: T. PLATINGCHECKED BY: T. PLATING DATE: 08/26/2016 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Asheville\Map_Docs\CSA_Supplement\Asheville - Isoconcentration Maps_Surficial.mxd 330 0 330 660165 IN FEET GRAPHIC SCALE &<MONITORING WELL &>PIEZOMETER WATER SUPPLY WELL ASH BASIN BOUNDARY ASH BASIN COMPLIANCE BOUNDARY DUKE ENERGY PROGRESS ASHEVILLE PLANT SITEBOUNDARY LEGEND TOTAL BORON CONCENTRATION (μg/L)1 NOT DETECTED ABOVE REPORTING LIMITND INTERMEDIATE CONTOUR NORTH CAROLINA 2L CONTOUR APPROX. PROVISIONAL BACKGROUND CONTOUR HIGHEST CONCENTRATION AREA CONTOUR &< &< &< &< &< &< &> &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &> 1982 ASHBASIN 1964 ASHBASIN Bus Park Cir B e a r L e a h T rl U S H w y 74 I- 26 U S H w y 74 I- 26 F R E N C H B R O A D R I V E R LAKEJULIAN HOTPONDSETTLING P O N D W.E.BASINS LAKEJULIAN 50 700 5 0 0 0 MW-23DU84 MW-21D87 ABMW-5D106 AMW-2A132 MW-5D638 MW-3D639 PZ-16684 CB-3R760 MW-18D875 GW-4994 GW-51100 ABMW-4D1110 MW-6D1680 CB-82200 MW-9D5540 CB-1DND GW-1DND MW-1DND MW-4DND MW-11DND MW-12DND MW-13DND MW-15DND MW-22DND MW-23DLND PZ-17SND NOTES: CONCENTRATIONS SHOWN REFLECT DATA GATHERED BETWEEN2/20/14 AND 7/8/16. THE NORTH CAROLINA 2L FOR BORON IS 700 μg/L. PROVISIONAL BACKGROUND CONCENTRATION IS SET AT DETECTIONLIMIT OF 50 μg/L. AERIAL PHOTOGRAPH OBTAINED FROM GOOGLE EARTH PRO,DATED 10/18/2015. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINASTATE PLANE COORDINATE SYSTEM FIPS 3200 (NAD83/2011). FIGURE 1-19ISOCONCENTRATION MAPBORON IN TRANSITION ZONE GROUNDWATERASHEVILLE STEAM ELECTRIC PLANTARDEN, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: T. PLATINGCHECKED BY: T. PLATING DATE: 08/25/2016 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Asheville\Map_Docs\CSA_Supplement\Asheville - Isoconcentration Maps_Transition.mxd 330 0 330 660165 IN FEET GRAPHIC SCALE &<MONITORING WELL &>PIEZOMETER ASH BASIN BOUNDARY ASH BASIN COMPLIANCE BOUNDARY DUKE ENERGY PROGRESS ASHEVILLE PLANT SITEBOUNDARY LEGENDTOTAL BORON CONCENTRATION (μg/L)1 NOT DETECTED ABOVE REPORTING LIMITND INTERMEDIATE CONTOUR NORTH CAROLINA 2L CONTOUR APPROX. PROVISIONAL BACKGROUND CONTOUR HIGHEST CONCENTRATION AREA CONTOUR &< &< &< &< &< &< &< &> &< &< &< &< &< &< &< &< &< &< &< &< Bus Park Cir B e a r L e a h T rl U S H w y 74 I- 2 6 U S H w y 7 4 I- 26 1982ASH BASIN1964 ASHBASIN F R E N C H B R O A D R I V E R LAKEJULIAN HOTPONDSETTLING P O N D W.E.BASINS LAKEJULIAN 7 0 0 5 0 50 AS-1154 AS-1363 MW-2BR64 AS-679 CB-8BR87 AS-20108 MW-6BR112 MW-16BR150 AS-14339 MW-14BR352 MW-5BR360 AMW-1B393 PZ-17D846 MW-18BR927 MW-9BR1160 GW-21720 AS-5ND AS-15ND AS-17ND ABMW-5BRND ABMW-11BRND AMW-3BND AS-4ND AS-9ND CB-4BND CB-9BRND DW-6ND GW-1BRND MW-1BRND MW-13BRND MW-22BRND 1 4 0 0 NOTES: CONCENTRATIONS SHOWN REFLECT DATA GATHERED BETWEEN2/9/16 AND 7/12/16. THE NORTH CAROLINA 2L FOR BORON IS 700 μg/L. PROVISIONAL BACKGROUND CONCENTRATION IS SET AT DETECTIONLIMIT OF 50 μg/L. AERIAL PHOTOGRAPH OBTAINED FROM GOOGLE EARTH PRO,DATED 10/18/2015. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINASTATE PLANE COORDINATE SYSTEM FIPS 3200 (NAD83/2011). FIGURE 1-20ISOCONCENTRATION MAPBORON IN BEDROCK GROUNDWATERASHEVILLE STEAM ELECTRIC PLANTARDEN, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: T. PLATINGCHECKED BY: T. PLATING DATE: 08/25/2016 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Asheville\Map_Docs\CSA_Supplement\Asheville - Isoconcentration Maps_Bedrock.mxd 330 0 330 660165 IN FEET GRAPHIC SCALE &<MONITORING WELL &>PIEZOMETER WATER SUPPLY WELL ASH BASIN BOUNDARY ASH BASIN COMPLIANCE BOUNDARY DUKE ENERGY PROGRESS ASHEVILLE PLANT SITEBOUNDARY LEGEND TOTAL BORON CONCENTRATION (μg/L)1 NOT DETECTED ABOVE REPORTING LIMITND INTERMEDIATE CONTOUR NORTH CAROLINA 2L CONTOUR APPROX. PROVISIONAL BACKGROUND CONTOUR HIGHEST CONCENTRATION AREA CONTOUR &< &< &< &> &> &< &< &< &> &< &< &> &< &> &> &> &< &> &< &> &> &< &< &< &< &< &< &> &< &< &< &< &< &< &< &< &< Bus Park Cir B e a r L e a h T rl U S H w y 74 I- 26 U S H w y 7 4 I- 2 6 1982 ASHBASIN 1964 ASHBASIN F R E N C H B R O A D R I V E R LAKEJULIAN HOTPONDSETTLING P O N D LAKEJULIAN CB-11.9 DP-12.3 CB-22.9 PZ-263.7 PZ-234.4 ABMW-5S5.2 CB-45.2 CB-9SL6.3 PZ-246.8 GW-16.9 CB-97.1 P-1047.1 ABMW-7S7.3 PZ-228.3 P-1059 PZ-199.8 APD-710 P-10311 MW-6S12 P-10012 P-10112 MW-24S14 MW-1015 MW-20A16 ABMW-2S16 GW-317 CB-531 PZ-2732 MW-15A41 APD-148 CB-649 AS-360 MW-16A100 MW-11110 CB-7150 MW-8S420 MW-17A430 MW-9S530 4 0 0 4 0 0 3 5 3 5 250 NOTES: CONCENTRATIONS SHOWN REFLECT DATA GATHERED BETWEEN2/18/14 AND 7/8/16. THE NORTH CAROLINA 2L FOR CHLORIDE IS 250 mg/L. PROVISIONAL BACKGROUND CONCENTRATION IS 32 mg/L. AERIAL PHOTOGRAPH OBTAINED FROM GOOGLE EARTH PRO,DATED 10/18/2015. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINASTATE PLANE COORDINATE SYSTEM FIPS 3200 (NAD83/2011). FIGURE 1-21ISOCONCENTRATION MAPCHLORIDE IN SURFICIAL GROUNDWATERASHEVILLE STEAM ELECTRIC PLANTARDEN, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: T. PLATINGCHECKED BY: T. PLATING DATE: 08/26/2016 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Asheville\Map_Docs\CSA_Supplement\Asheville - Isoconcentration Maps_Surficial.mxd 330 0 330 660165 IN FEET GRAPHIC SCALE &<MONITORING WELL &>PIEZOMETER WATER SUPPLY WELL ASH BASIN BOUNDARY ASH BASIN COMPLIANCE BOUNDARY DUKE ENERGY PROGRESS ASHEVILLE PLANT SITEBOUNDARY LEGEND TOTAL CHLORIDE CONCENTRATION (mg/L)1 NOT DETECTED ABOVE REPORTING LIMITND INTERMEDIATE CONTOUR NORTH CAROLINA 2L CONTOUR APPROX. PROVISIONAL BACKGROUND CONTOUR HIGHEST CONCENTRATION AREA CONTOUR &< &> &< &< &< &< &< &> &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< 1982 ASHBASIN 1964 ASHBASIN Bus Park Cir B e a r L e a h T rl U S H w y 74 I- 2 6 U S H w y 7 4 I- 26 F R E N C H B R O A D R I V E R LAKEJULIAN HOTPONDSETTLING P O N D W.E.BASINS LAKEJULIAN 2 5 0 5 5 CB-1D0.96 PZ-17S1.8 MW-4D3.1 MW-1D3.6 MW-23DL4 GW-1D4.2 MW-13D4.6 PZ-164.9 CB-3R6.7AMW-2A7.7 MW-23DU8 MW-12D8.8 MW-5D9.6 GW-410 MW-3D10 ABMW-5D11 GW-511 MW-6D11 ABMW-4D13 MW-15D13 MW-21D28 MW-22D30 MW-18D99 CB-8150 MW-11D160 MW-9D510 NOTES: CONCENTRATIONS SHOWN REFLECT DATA GATHERED BETWEEN2/20/14 AND 7/8/16. THE NORTH CAROLINA 2L FOR CHLORIDE IS 250 mg/L. PROVISIONAL BACKGROUND CONCENTRATION IS 2.2 mg/L. AERIAL PHOTOGRAPH OBTAINED FROM GOOGLE EARTH PRO,DATED 10/18/2015. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINASTATE PLANE COORDINATE SYSTEM FIPS 3200 (NAD83/2011). FIGURE 1-22ISOCONCENTRATION MAPCHLORIDE IN TRANSITION ZONE GROUNDWATERASHEVILLE STEAM ELECTRIC PLANTARDEN, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: T. PLATINGCHECKED BY: T. PLATING DATE: 08/25/2016 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Asheville\Map_Docs\CSA_Supplement\Asheville - Isoconcentration Maps_Transition.mxd 330 0 330 660165 IN FEET GRAPHIC SCALE &<MONITORING WELL &>PIEZOMETER ASH BASIN BOUNDARY ASH BASIN COMPLIANCE BOUNDARY DUKE ENERGY PROGRESS ASHEVILLE PLANT SITEBOUNDARY LEGENDTOTAL CHLORIDE CONCENTRATION (mg/L)1 NOT DETECTED ABOVE REPORTING LIMITND INTERMEDIATE CONTOUR NORTH CAROLINA 2L CONTOUR APPROX. PROVISIONAL BACKGROUND CONTOUR HIGHEST CONCENTRATION AREA CONTOUR &< &< &< &< &< &< &< &< &< &< &> &< &< &< &< &< &< &< &< &< Bus Park Cir B e a r L e a h T rl U S H w y 74 I- 26 U S H w y 74 I- 26 1982ASH BASIN 1964 ASHBASIN F R E N C H B R O A D R I V E R LAKEJULIAN HOTPONDSETTLING P O N D W.E.BASINS LAKEJULIAN 1 0 1 0 2 5 0 AMW-3B0.65 GW-1BR1.5 DW-61.6 MW-1BR1.7AS-92.3 AS-152.3 ABMW-11BR3.4 MW-6BR3.9 MW-13BR5 MW-2BR5.4 MW-14BR6.2 CB-9BR6.4 CB-4B6.8 AS-57.75 PZ-17D8.5 ABMW-5BR8.7 MW-5BR8.9 AS-149.5 AMW-1B9.8 CB-8BR14 AS-2020 MW-22BR48AS-1154 AS-656 AS-476 AS-1385 MW-18BR98 MW-16BR120 GW-2210 MW-9BR300 AS-17ND NOTES: CONCENTRATIONS SHOWN REFLECT DATA GATHERED BETWEEN2/9/16 AND 7/12/16. THE NORTH CAROLINA 2L FOR CHLORIDE IS 250 mg/L. PROVISIONAL BACKGROUND CONCENTRATION IS 6.4 mg/L. AERIAL PHOTOGRAPH OBTAINED FROM GOOGLE EARTH PRO,DATED 10/18/2015. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINASTATE PLANE COORDINATE SYSTEM FIPS 3200 (NAD83/2011). FIGURE 1-23ISOCONCENTRATION MAPCHLORIDE IN BEDROCK GROUNDWATERASHEVILLE STEAM ELECTRIC PLANTARDEN, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: T. PLATINGCHECKED BY: T. PLATING DATE: 08/25/2016 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Asheville\Map_Docs\CSA_Supplement\Asheville - Isoconcentration Maps_Bedrock.mxd 330 0 330 660165 IN FEET GRAPHIC SCALE &<MONITORING WELL &>PIEZOMETER WATER SUPPLY WELL ASH BASIN BOUNDARY ASH BASIN COMPLIANCE BOUNDARY DUKE ENERGY PROGRESS ASHEVILLE PLANT SITEBOUNDARY LEGEND TOTAL CHLORIDE CONCENTRATION (mg/L)1 NOT DETECTED ABOVE REPORTING LIMITND INTERMEDIATE CONTOUR NORTH CAROLINA 2L CONTOUR APPROX. PROVISIONAL BACKGROUND CONTOUR HIGHEST CONCENTRATION AREA CONTOUR &< &< &> &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< Bus Park Cir B e a r L e a h T rl U S H w y 74 I- 26 U S H w y 7 4 I- 26 1982 ASHBASIN 1964 ASHBASIN F R E N C H B R O A D R I V E R LAKEJULIAN HOTPONDSETTLING P O N D W.E.BASINS LAKEJULIAN MW-16A0.048 CB-90.085 PZ-260.093 MW-100.14 CB-9SL0.23 MW-110.26 MW-24S0.26 AS-30.38 MW-9S0.5 GW-10.87 CB-5ND CB-6ND CB-7ND MW-15AND MW-17AND MW-20AND CB-1ND CB-4ND GW-3ND MW-8SND ABMW-2SND 0.8 NOTES: CONCENTRATIONS SHOWN REFLECT DATA GATHERED BETWEEN2/18/14 AND 7/8/16. THE NORTH CAROLINA DEPARTMENT OF HEALTH AND HUMANSERVICES HEALTH SCREENING LEVEL FOR CHROMIUM (VI) IS 0.07µg/L. NC DHHS MEMORANDUM, NOVEMBER 4, 2015. PROVISIONAL BACKGROUND CONCENTRATION IS 1.9 µg/L. AERIAL PHOTOGRAPH OBTAINED FROM GOOGLE EARTH PRO,DATED 10/18/2015. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINASTATE PLANE COORDINATE SYSTEM FIPS 3200 (NAD83/2011). FIGURE 1-24ISOCONCENTRATION MAPCHROMIUM (VI) IN SURFICIAL GROUNDWATERASHEVILLE STEAM ELECTRIC PLANTARDEN, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: T. PLATINGCHECKED BY: T. PLATING DATE: 08/26/2016 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Asheville\Map_Docs\CSA_Supplement\Asheville - Isoconcentration Maps_Surficial.mxd 330 0 330 660165 IN FEET GRAPHIC SCALE &<MONITORING WELL &>PIEZOMETER WATER SUPPLY WELL ASH BASIN BOUNDARY ASH BASIN COMPLIANCE BOUNDARY DUKE ENERGY PROGRESS ASHEVILLE PLANT SITEBOUNDARY LEGEND CHROMIUM (VI) CONCENTRATION (µg/L)1 NOT DETECTED ABOVE REPORTING LIMITND INTERMEDIATE CONTOUR NCDHHS CONTOUR APPROX. PROVISIONAL BACKGROUND CONTOUR HIGHEST CONCENTRATION AREA CONTOUR &< &> &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< 1982 ASHBASIN 1964 ASHBASIN Bus Park Cir B e a r L e a h T rl U S H w y 7 4 I- 26 U S H w y 7 4 I- 26 F R E N C H B R O A D R I V E R LAKEJULIAN HOTPONDSETTLING P O N D W.E.BASINS LAKEJULIAN 0 .0 7 0.07 0 . 0 7 0 .4 0.03 0.03 0.03 GW-1D0.091 PZ-17S0.12 MW-23DU0.15 CB-80.27 MW-11D0.28 ABMW-4DND AMW-2AND CB-1DND MW-1DND MW-3DNDMW-5DND MW-9DND MW-13DND MW-18DND MW-21DND MW-23DLND MW-12D0.076 MW-15D0.24 MW-22D0.64 NOTES: CONCENTRATIONS SHOWN REFLECT DATA GATHERED BETWEEN2/20/14 AND 7/8/16. THE NORTH CAROLINA DEPARTMENT OF HEALTH AND HUMANSERVICES HEALTH SCREENING LEVEL FOR CHROMIUM (VI) IS 0.07µg/L. NC DHHS MEMORANDUM, NOVEMBER 4, 2015. PROVISIONAL BACKGROUND CONCENTRATION IS 0.03 µg/L. AERIAL PHOTOGRAPH OBTAINED FROM GOOGLE EARTH PRO,DATED 10/18/2015. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINASTATE PLANE COORDINATE SYSTEM FIPS 3200 (NAD83/2011). FIGURE 1-25ISOCONCENTRATION MAPCHROMIUM (VI) IN TRANSITION ZONEGROUNDWATERASHEVILLE STEAM ELECTRIC PLANTARDEN, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: T. PLATINGCHECKED BY: T. PLATING DATE: 08/25/2016 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Asheville\Map_Docs\CSA_Supplement\Asheville - Isoconcentration Maps_Transition.mxd 330 0 330 660165 IN FEET GRAPHIC SCALE &<MONITORING WELL &>PIEZOMETER ASH BASIN BOUNDARY ASH BASIN COMPLIANCE BOUNDARY DUKE ENERGY PROGRESS ASHEVILLE PLANT SITEBOUNDARY LEGENDCHROMIUM (VI) CONCENTRATION (µg/L)1 NOT DETECTED ABOVE REPORTING LIMITND INTERMEDIATE CONTOUR NCDHHS CONTOUR APPROX. PROVISIONAL BACKGROUND CONTOUR HIGHEST CONCENTRATION AREA CONTOUR &< &> &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< Bus Park Cir B e a r L e a h T rl U S H w y 74 I- 2 6 U S H w y 74 I- 26 1982 ASHBASIN 1964 ASHBASIN F R E N C H B R O A D R I V E R LAKEJULIAN HOTPONDSETTLING P O N D W.E.BASINS LAKEJULIAN 0 .0 7 0.07 0 .0 7 0 .0 7 MW-6BR0.053 AS-90.077 PZ-17D0.12 CB-9BR0.14 MW-14BR0.15 AMW-3B0.22 MW-13BR0.25 ABMW-11BRND AS-6ND AS-11ND AS-13ND AS-14ND AS-17ND AS-20ND CB-4BND CB-8BRND GW-1BRND MW-1BRND MW-5BRND MW-9BRND MW-18BRND MW-22BRND AMW-1BND AS-4NDAS-15ND MW-16BRND DW-6ND AS-5ND GW-20.05 NOTES: CONCENTRATIONS SHOWN REFLECT DATA GATHERED BETWEEN2/9/16 AND 7/12/16. THE NORTH CAROLINA DEPARTMENT OF HEALTH AND HUMANSERVICES HEALTH SCREENING LEVEL FOR CHROMIUM (VI) IS 0.07µg/L. NC DHHS MEMORANDUM, NOVEMBER 4, 2015. PROVISIONAL BACKGROUND CONCENTRATION IS 0.6 µg/L. AERIAL PHOTOGRAPH OBTAINED FROM GOOGLE EARTH PRO,DATED 10/18/2015. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINASTATE PLANE COORDINATE SYSTEM FIPS 3200 (NAD83/2011). FIGURE 1-26ISOCONCENTRATION MAPCHROMIUM (VI) IN BEDROCK GROUNDWATERASHEVILLE STEAM ELECTRIC PLANTARDEN, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: T. PLATINGCHECKED BY: T. PLATING DATE: 08/25/2016 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Asheville\Map_Docs\CSA_Supplement\Asheville - Isoconcentration Maps_Bedrock.mxd 330 0 330 660165 IN FEET GRAPHIC SCALE &<MONITORING WELL &>PIEZOMETER WATER SUPPLY WELL ASH BASIN BOUNDARY ASH BASIN COMPLIANCE BOUNDARY DUKE ENERGY PROGRESS ASHEVILLE PLANT SITEBOUNDARY LEGEND CHROMIUM (VI) CONCENTRATION (µg/L)1 NOT DETECTED ABOVE REPORTING LIMITND INTERMEDIATE CONTOUR NCDHHS CONTOUR APPROX. PROVISIONAL BACKGROUND CONTOUR HIGHEST CONCENTRATION AREA CONTOUR &> &> &> &> &> &> &< &> &< &< &> &> &< &< &< &< &< &< &< &< &< &< &< &< &< &< &> &> &< &< &< &< &< &< &< &< &< Bus Park Cir B e a r L e a h T rl U S H w y 74 I- 2 6 U S H w y 7 4 I- 26 1982 ASHBASIN 1964 ASHBASIN F R E N C H B R O A D R I V E R LAKEJULIAN HOTPONDSETTLING P O N D LAKEJULIAN P-1041.64 P-1012.34 P-1052.5 PZ-194.34 PZ-244.49 P-1036.07 MW-119.26 P-10012.7 MW-9S16.1 CB-9SL19.3 PZ-2730 PZ-26ND AS-3ND MW-10ND MW-15AND MW-16AND MW-17AND MW-20AND ABMW-2SND ABMW-5SND ABMW-7SND APD-7ND DP-1ND GW-3ND MW-6SND MW-8SND MW-24SND PZ-22ND PZ-23ND CB-5ND CB-6ND CB-7ND APD-1ND CB-1ND CB-2ND CB-4ND CB-9ND GW-1ND 25 10 1 0 NOTES: CONCENTRATIONS SHOWN REFLECT DATA GATHERED BETWEEN2/18/14 AND 7/8/16. THE NORTH CAROLINA 2L FOR CHROMIUM IS 10 μg/L. PROVISIONAL BACKGROUND CONCENTRATION IS 9 µg/L. AERIAL PHOTOGRAPH OBTAINED FROM GOOGLE EARTH PRO,DATED 10/18/2015. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINASTATE PLANE COORDINATE SYSTEM FIPS 3200 (NAD83/2011). FIGURE 1-27ISOCONCENTRATION MAPCHROMIUM (TOTAL) IN SURFICIAL GROUNDWATERASHEVILLE STEAM ELECTRIC PLANTARDEN, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: T. PLATINGCHECKED BY: T. PLATING DATE: 08/26/2016 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Asheville\Map_Docs\CSA_Supplement\Asheville - Isoconcentration Maps_Surficial.mxd 330 0 330 660165 IN FEET GRAPHIC SCALE &<MONITORING WELL &>PIEZOMETER WATER SUPPLY WELL ASH BASIN BOUNDARY ASH BASIN COMPLIANCE BOUNDARY DUKE ENERGY PROGRESS ASHEVILLE PLANT SITEBOUNDARY LEGEND TOTAL CHROMIUM CONCENTRATION (μg/L)1 NOT DETECTED ABOVE REPORTING LIMITND INTERMEDIATE CONTOUR NORTH CAROLINA 2L CONTOUR APPROX. PROVISIONAL BACKGROUND CONTOUR HIGHEST CONCENTRATION AREA CONTOUR &< &< &< &< &> &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &<&< &> &< &< 1982 ASHBASIN 1964 ASHBASIN Bus Park Cir B e a r L e a h T rl U S H w y 74 I- 2 6 U S H w y 7 4 I- 26 F R E N C H B R O A D R I V E R LAKEJULIAN HOTPONDSETTLING P O N D W.E.BASINS LAKEJULIAN 10 10 25 ABMW-4D1.15 MW-3D1.2 GW-44.93 MW-12D10.2 PZ-1611.5 GW-538 ABMW-5DND AMW-2AND CB-1DND GW-1DND MW-1DND MW-4DND MW-5DND MW-6DND MW-9DND MW-11DND MW-13DND MW-15DND MW-18DND MW-21DND MW-22DND MW-23DLND MW-23DUND PZ-17SND CB-3RND CB-8ND NOTES: CONCENTRATIONS SHOWN REFLECT DATA GATHERED BETWEEN2/20/14 AND 7/8/16. THE NORTH CAROLINA 2L FOR CHROMIUM IS 10 μg/L. PROVISIONAL BACKGROUND CONCENTRATION IS 56 µg/L. AERIAL PHOTOGRAPH OBTAINED FROM GOOGLE EARTH PRO,DATED 10/18/2015. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINASTATE PLANE COORDINATE SYSTEM FIPS 3200 (NAD83/2011). FIGURE 1-28ISOCONCENTRATION MAPCHROMIUM (TOTAL) IN TRANSITION ZONEGROUNDWATERASHEVILLE STEAM ELECTRIC PLANTARDEN, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: T. PLATINGCHECKED BY: T. PLATING DATE: 08/25/2016 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Asheville\Map_Docs\CSA_Supplement\Asheville - Isoconcentration Maps_Transition.mxd 330 0 330 660165 IN FEET GRAPHIC SCALE &<MONITORING WELL &>PIEZOMETER ASH BASIN BOUNDARY ASH BASIN COMPLIANCE BOUNDARY DUKE ENERGY PROGRESS ASHEVILLE PLANT SITEBOUNDARY LEGENDTOTAL CHROMIUM CONCENTRATION (μg/L)1 NOT DETECTED ABOVE REPORTING LIMITND INTERMEDIATE CONTOUR NORTH CAROLINA 2L CONTOUR APPROX. PROVISIONAL BACKGROUND CONTOUR HIGHEST CONCENTRATION AREA CONTOUR &< &< &< &> &< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< Bus Park Cir B e a r L e a h T rl U S H w y 74 I- 26 U S H w y 74 I- 26 1982ASH BASIN1964 ASHBASIN F R E N C H B R O A D R I V E R LAKEJULIAN HOTPONDSETTLING P O N D W.E.BASINS LAKEJULIAN 10 CB-9BR1.5 ABMW-5BR10.5 ABMW-11BR11.1 PZ-17D47.5 GW-252 AS-15ND AS-17ND AMW-1BND AMW-3BND AS-4ND AS-5ND AS-6ND AS-9ND AS-11ND AS-13ND AS-14NDAS-20ND CB-8BRND DW-6ND GW-1BRND MW-1BRND MW-2BRND MW-5BRND MW-6BRND MW-9BRND MW-13BRND MW-14BRND MW-16BRND MW-18BRND MW-22BRND CB-4BND 35 NOTES: CONCENTRATIONS SHOWN REFLECT DATA GATHERED BETWEEN2/9/16 AND 7/12/16. THE NORTH CAROLINA 2L FOR CHROMIUM IS 10 μg/L. PROVISIONAL BACKGROUND CONCENTRATION IS 20 µg/L. AERIAL PHOTOGRAPH OBTAINED FROM GOOGLE EARTH PRO,DATED 10/18/2015. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINASTATE PLANE COORDINATE SYSTEM FIPS 3200 (NAD83/2011). FIGURE 1-29ISOCONCENTRATION MAPCHROMIUM (TOTAL) IN BEDROCK GROUNDWATERASHEVILLE STEAM ELECTRIC PLANTARDEN, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: T. PLATINGCHECKED BY: T. PLATING DATE: 08/25/2016 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Asheville\Map_Docs\CSA_Supplement\Asheville - Isoconcentration Maps_Bedrock.mxd 330 0 330 660165 IN FEET GRAPHIC SCALE &<MONITORING WELL &>PIEZOMETER WATER SUPPLY WELL ASH BASIN BOUNDARY ASH BASIN COMPLIANCE BOUNDARY DUKE ENERGY PROGRESS ASHEVILLE PLANT SITEBOUNDARY LEGEND TOTAL CHROMIUM CONCENTRATION (μg/L)1 NOT DETECTED ABOVE REPORTING LIMITND INTERMEDIATE CONTOUR NORTH CAROLINA 2L CONTOUR APPROX. PROVISIONAL BACKGROUND CONTOUR HIGHEST CONCENTRATION AREA CONTOUR &< &< &< &< &< &> &< &< &< &< &> &> &< &< &<&> &< &< &> &> &< &< &> &< &> &> &< &> &< &< &< &< &< &< &<&< &> Bus Park Cir B e a r L e a h T rl U S H w y 74 I- 2 6 U S H w y 74 I- 2 6 1982 ASHBASIN 1964 ASHBASIN F R E N C H B R O A D R I V E R LAKEJULIAN HOTPONDSETTLING P O N DW.E. BASINS LAKEJULIAN CB-91.14 CB-71.25 CB-41.64 MW-16A1.81 CB-12.39 PZ-262.4 MW-8S2.75 MW-102.95 ABMW-7S3.5 MW-9S3.64 P-1053.97 PZ-244.35 GW-15.06 CB-25.7 MW-6S6.17 PZ-226.95 APD-18.03 CB-611.1 PZ-2711.5 P-10114.3 ABMW-5S16.7MW-17A17 P-10320 DP-120.7 PZ-2322.4 P-10426.8 MW-20A28.1 P-10035.9 GW-351.5 ABMW-2S589 AS-3ND CB-5ND MW-11ND MW-15AND APD-7ND CB-9SLND MW-24SND PZ-19ND 1 5 5 4 0 0 NOTES: CONCENTRATIONS SHOWN REFLECT DATA GATHERED BETWEEN2/18/14 AND 7/8/16. THE INTERIM MAXIMUM ALLOWABLE CONCENTRATION (IMAC) FORCOBALT IS 1 μg/L. PROVISIONAL BACKGROUND CONCENTRATION IS 4.8 µg/L. AERIAL PHOTOGRAPH OBTAINED FROM GOOGLE EARTH PRO,DATED 10/18/2015. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINASTATE PLANE COORDINATE SYSTEM FIPS 3200 (NAD83/2011). FIGURE 1-30ISOCONCENTRATION MAPCOBALT IN SURFICIAL GROUNDWATERASHEVILLE STEAM ELECTRIC PLANTARDEN, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: T. PLATINGCHECKED BY: T. PLATING DATE: 08/26/2016 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Asheville\Map_Docs\CSA_Supplement\Asheville - Isoconcentration Maps_Surficial.mxd 330 0 330 660165 IN FEET GRAPHIC SCALE &<MONITORING WELL &>PIEZOMETER WATER SUPPLY WELL ASH BASIN BOUNDARY ASH BASIN COMPLIANCE BOUNDARY DUKE ENERGY PROGRESS ASHEVILLE PLANT SITEBOUNDARY LEGEND TOTAL COBALT CONCENTRATION (μg/L)1 NOT DETECTED ABOVE REPORTING LIMITND INTERMEDIATE CONTOUR IMAC CONTOUR APPROX. PROVISIONAL BACKGROUND CONTOUR HIGHEST CONCENTRATION AREA CONTOUR &< &< &> &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &> 1982 ASHBASIN 1964 ASHBASIN Bus Park Cir B e a r L e a h T rl U S H w y 7 4 I- 26 U S H w y 74 I- 26 F R E N C H B R O A D R I V E R LAKEJULIAN HOTPONDSETTLING P O N D W.E.BASINS LAKEJULIAN 1 5 MW-21D1.13 MW-12D1.23 PZ-161.31 GW-1D1.62 CB-1D2.33 MW-1D2.47 CB-82.7 MW-18D3.4 MW-6D3.85 MW-23DU4.57 MW-13D4.69 MW-4D5.28 MW-9D7.06 GW-58.37 AMW-2A20.5 CB-3R21.1 MW-5D24.3 ABMW-4D50.4 MW-3D85.2 ABMW-5DND GW-4ND MW-11DND MW-15DND MW-22DND MW-23DLND PZ-17SND NOTES: CONCENTRATIONS SHOWN REFLECT DATA GATHERED BETWEEN2/20/14 AND 7/8/16. THE INTERIM MAXIMUM ALLOWABLE CONCENTRATION (IMAC) FORCOBALT IS 1 μg/L. PROVISIONAL BACKGROUND CONCENTRATION IS 5.6 µg/L. AERIAL PHOTOGRAPH OBTAINED FROM GOOGLE EARTH PRO,DATED 10/18/2015. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINASTATE PLANE COORDINATE SYSTEM FIPS 3200 (NAD83/2011). FIGURE 1-31ISOCONCENTRATION MAPCOBALT IN TRANSITION ZONE GROUNDWATERASHEVILLE STEAM ELECTRIC PLANTARDEN, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: T. PLATINGCHECKED BY: T. PLATING DATE: 08/25/2016 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Asheville\Map_Docs\CSA_Supplement\Asheville - Isoconcentration Maps_Transition.mxd 330 0 330 660165 IN FEET GRAPHIC SCALE &<MONITORING WELL &>PIEZOMETER ASH BASIN BOUNDARY ASH BASIN COMPLIANCE BOUNDARY DUKE ENERGY PROGRESS ASHEVILLE PLANT SITEBOUNDARY LEGENDTOTAL COBALT CONCENTRATION (μg/L)1 NOT DETECTED ABOVE REPORTING LIMITND INTERMEDIATE CONTOUR IMAC CONTOUR APPROX. PROVISIONAL BACKGROUND CONTOUR HIGHEST CONCENTRATION AREA CONTOUR &> &< &< &< &< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< Bus Park Cir B e a r L e a h T rl U S H w y 7 4 I- 26 U S H w y 74 I- 26 1982ASH BASIN 1964 ASHBASIN F R E N C H B R O A D R I V E R LAKEJULIAN HOTPONDSETTLING P O N D W.E.BASINS LAKEJULIAN 0 1 PZ-17D1.19 MW-18BR2.1 ABMW-5BR4.21 GW-211.5 AS-4128 AS-15ND AS-17ND ABMW-11BRND AMW-1BND AMW-3BND AS-5ND AS-6ND AS-9ND AS-11ND AS-13ND AS-14NDAS-20ND CB-4BND CB-8BRND CB-9BRND DW-6ND GW-1BRND MW-1BRND MW-2BRND MW-5BRND MW-6BRND MW-9BRND MW-13BRND MW-14BRND MW-16BRND MW-22BRND NOTES: CONCENTRATIONS SHOWN REFLECT DATA GATHERED BETWEEN2/9/16 AND 7/12/16. THE INTERIM MAXIMUM ALLOWABLE CONCENTRATION (IMAC) FORCOBALT IS 1 μg/L. PROVISIONAL BACKGROUND CONCENTRATION IS SET AT DETECTIONLIMIT OF 1 μg/L. AERIAL PHOTOGRAPH OBTAINED FROM GOOGLE EARTH PRO,DATED 10/18/2015. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINASTATE PLANE COORDINATE SYSTEM FIPS 3200 (NAD83/2011). FIGURE 1-32ISOCONCENTRATION MAPCOBALT IN BEDROCK GROUNDWATERASHEVILLE STEAM ELECTRIC PLANTARDEN, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: T. PLATINGCHECKED BY: T. PLATING DATE: 08/25/2016 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Asheville\Map_Docs\CSA_Supplement\Asheville - Isoconcentration Maps_Bedrock.mxd 330 0 330 660165 IN FEET GRAPHIC SCALE &<MONITORING WELL &>PIEZOMETER WATER SUPPLY WELL ASH BASIN BOUNDARY ASH BASIN COMPLIANCE BOUNDARY DUKE ENERGY PROGRESS ASHEVILLE PLANT SITEBOUNDARY LEGEND TOTAL COBALT CONCENTRATION (μg/L)1 NOT DETECTED ABOVE REPORTING LIMITND INTERMEDIATE CONTOUR IMAC CONTOUR APPROX. PROVISIONAL BACKGROUND CONTOUR HIGHEST CONCENTRATION AREA CONTOUR &< &< &< &< &< &< &< &< &< &< &< &> &< &< &< &< &< &> &> &> &> &> &< &> &> &<&< &> &< &< &< &> &< &< &< &> &< Bus Park Cir B e a r L e a h T rl U S H w y 74 I- 2 6 U S H w y 74 I- 26 1982 ASHBASIN 1964 ASHBASIN F R E N C H B R O A D R I V E R LAKEJULIAN HOTPONDSETTLING P O N DW.E. BASINS LAKEJULIAN MW-8S15 ABMW-2S27 CB-428 GW-129 MW-1031 APD-738 MW-1161 MW-9S78 CB-786 CB-297 MW-15A125 P-101155 CB-9SL158 ABMW-7S170 MW-16A171 MW-6S225 CB-9294 PZ-26340 PZ-23358 AS-3369 P-105422 PZ-19471 P-100545 CB-1595 P-103724 P-104737 GW-3955 APD-11770 PZ-222300 ABMW-5S4800 MW-20A6270 DP-18770 PZ-2712500 CB-524100 CB-625400 MW-17A35500 PZ-2469200 MW-24SND 2 0 0 0 0 20000 300 4300 4300 NOTES: CONCENTRATIONS SHOWN REFLECT DATA GATHERED BETWEEN2/18/14 AND 7/8/16. THE NORTH CAROLINA 2L FOR IRON IS 300 μg/L. PROVISIONAL BACKGROUND CONCENTRATION IS 4,293 µg/L. AERIAL PHOTOGRAPH OBTAINED FROM GOOGLE EARTH PRO,DATED 10/18/2015. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINASTATE PLANE COORDINATE SYSTEM FIPS 3200 (NAD83/2011). FIGURE 1-33ISOCONCENTRATION MAPIRON IN SURFICIAL GROUNDWATERASHEVILLE STEAM ELECTRIC PLANTARDEN, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: T. PLATINGCHECKED BY: T. PLATING DATE: 08/26/2016 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Asheville\Map_Docs\CSA_Supplement\Asheville - Isoconcentration Maps_Surficial.mxd 330 0 330 660165 IN FEET GRAPHIC SCALE &<MONITORING WELL &>PIEZOMETER WATER SUPPLY WELL ASH BASIN BOUNDARY ASH BASIN COMPLIANCE BOUNDARY DUKE ENERGY PROGRESS ASHEVILLE PLANT SITEBOUNDARY LEGEND TOTAL IRON CONCENTRATION (μg/L)1 NOT DETECTED ABOVE REPORTING LIMITND INTERMEDIATE CONTOUR NORTH CAROLINA 2L CONTOUR APPROX. PROVISIONAL BACKGROUND CONTOUR HIGHEST CONCENTRATION AREA CONTOUR &< &< &< &> &< &< &< &< &< &< &< &< &< &< &< &> &< &< &< &< &< &< &< &< &< &< 1982 ASHBASIN 1964 ASHBASIN Bus Park Cir B e a r L e a h T rl U S H w y 74 I- 26 U S H w y 74 I- 26 F R E N C H B R O A D R I V E R LAKEJULIAN HOTPONDSETTLING P O N D W.E.BASINS LAKEJULIAN 1900 1900 300 3 0 0 MW-6D23 CB-831 MW-4D34PZ-17S40 MW-22D48 MW-15D52 GW-467 MW-1D71 MW-11D76 CB-1D193 MW-12D207 GW-1D221 MW-9D278 MW-23DU478 CB-3R697 PZ-16877 MW-3D1540 MW-5D2440 MW-13D3270 MW-18D3960 MW-21D4030 ABMW-4D7630 MW-23DL11600 GW-515600 ABMW-5D19000 AMW-2A2570020000 NOTES: CONCENTRATIONS SHOWN REFLECT DATA GATHERED BETWEEN2/20/14 AND 7/8/16. THE NORTH CAROLINA 2L FOR IRON IS 300 μg/L. PROVISIONAL BACKGROUND CONCENTRATION IS 1,895 µg/L. AERIAL PHOTOGRAPH OBTAINED FROM GOOGLE EARTH PRO,DATED 10/18/2015. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINASTATE PLANE COORDINATE SYSTEM FIPS 3200 (NAD83/2011). FIGURE 1-34ISOCONCENTRATION MAPIRON IN TRANSITION ZONE GROUNDWATERASHEVILLE STEAM ELECTRIC PLANTARDEN, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: T. PLATINGCHECKED BY: T. PLATING DATE: 08/25/2016 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Asheville\Map_Docs\CSA_Supplement\Asheville - Isoconcentration Maps_Transition.mxd 330 0 330 660165 IN FEET GRAPHIC SCALE &<MONITORING WELL &>PIEZOMETER ASH BASIN BOUNDARY ASH BASIN COMPLIANCE BOUNDARY DUKE ENERGY PROGRESS ASHEVILLE PLANT SITEBOUNDARY LEGENDTOTAL IRON CONCENTRATION (μg/L)1 NOT DETECTED ABOVE REPORTING LIMITND INTERMEDIATE CONTOUR NORTH CAROLINA 2L CONTOUR APPROX. PROVISIONAL BACKGROUND CONTOUR HIGHEST CONCENTRATION AREA CONTOUR &< &< &< &< &< &< &> &< &< &< &< &< &< &< &< &< &< &< &< &< Bus Park Cir B e a r L e a h T r l U S H w y 74 I- 2 6 U S H w y 74 I- 26 1982 ASHBASIN 1964 ASHBASIN F R E N C H B R O A D R I V E R LAKEJULIAN HOTPONDSETTLING P O N D W.E.BASINS LAKEJULIAN 3 2 2 5 3 2 2 5 3225 300 300 3 0 0 AS-912 AMW-3B13 MW-13BR22 AS-1125 MW-6BR25 MW-14BR57 MW-2BR61 AS-584 CB-9BR236 AS-13295 PZ-17D363 CB-4B369 AS-17379 GW-2472 AS-14695 ABMW-11BR766 CB-8BR897 GW-1BR1190 AS-201630 AS-42450 MW-1BR3020 MW-9BR7740 AMW-1B8110 ABMW-5BR11400 MW-22BR14500 AS-617300 DW-628000 MW-5BR29800 MW-16BR59000 MW-18BRND AS-15ND 4 0 0 0 0 NOTES: CONCENTRATIONS SHOWN REFLECT DATA GATHERED BETWEEN2/9/16 AND 7/12/16. THE NORTH CAROLINA 2L FOR IRON IS 300 μg/L. PROVISIONAL BACKGROUND CONCENTRATION IS 3,225 µg/L. AERIAL PHOTOGRAPH OBTAINED FROM GOOGLE EARTH PRO,DATED 10/18/2015. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINASTATE PLANE COORDINATE SYSTEM FIPS 3200 (NAD83/2011). FIGURE 1-35ISOCONCENTRATION MAPIRON IN BEDROCK GROUNDWATERASHEVILLE STEAM ELECTRIC PLANTARDEN, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: T. PLATINGCHECKED BY: T. PLATING DATE: 08/25/2016 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Asheville\Map_Docs\CSA_Supplement\Asheville - Isoconcentration Maps_Bedrock.mxd 330 0 330 660165 IN FEET GRAPHIC SCALE &<MONITORING WELL &>PIEZOMETER WATER SUPPLY WELL ASH BASIN BOUNDARY ASH BASIN COMPLIANCE BOUNDARY DUKE ENERGY PROGRESS ASHEVILLE PLANT SITEBOUNDARY LEGEND TOTAL IRON CONCENTRATION (μg/L)1 NOT DETECTED ABOVE REPORTING LIMITND INTERMEDIATE CONTOUR NORTH CAROLINA 2L CONTOUR APPROX. PROVISIONAL BACKGROUND CONTOUR HIGHEST CONCENTRATION AREA CONTOUR &< &< &< &> &< &< &> &< &< &< &> &< &> &< &< &< &< &< &> &< &< &> &> &> &< &< &< &> &< &> &< &< &> &< &< &< &< Bus Park Cir B e a r L e a h T rl U S H w y 74 I- 26 U S H w y 74 I- 26 1982 ASHBASIN 1964 ASHBASIN F R E N C H B R O A D R I V E R LAKEJULIAN HOTPONDSETTLING P O N DW.E. BASINS LAKEJULIAN APD-712 CB-9SL13 CB-132 PZ-2634 AS-338 CB-940 MW-11113 P-105120 MW-24S136 CB-7175 MW-10175 PZ-19272 MW-15A385 PZ-27484 ABMW-5S537 CB-5546 GW-1668 CB-4722 ABMW-7S763 P-1041150 DP-11570MW-16A1640 PZ-242000 PZ-222230 P-1012320 CB-22750 MW-8S2920 GW-33200 P-1003380 MW-9S3410 PZ-233640 APD-14720 MW-17A5040 P-1037410 MW-20A8030 MW-6S9970 CB-610300 ABMW-2S18400 50 15000 1 4 2 5 1 4 2 5 1425 NOTES: CONCENTRATIONS SHOWN REFLECT DATA GATHERED BETWEEN2/18/14 AND 7/8/16. THE NORTH CAROLINA 2L FOR MANGANESE IS 50 μg/L. PROVISIONAL BACKGROUND CONCENTRATION IS 1,425 µg/L. AERIAL PHOTOGRAPH OBTAINED FROM GOOGLE EARTH PRO,DATED 10/18/2015. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINASTATE PLANE COORDINATE SYSTEM FIPS 3200 (NAD83/2011). FIGURE 1-36ISOCONCENTRATION MAPMANGANESE IN SURFICIAL GROUNDWATERASHEVILLE STEAM ELECTRIC PLANTARDEN, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: T. PLATINGCHECKED BY: T. PLATING DATE: 08/26/2016 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Asheville\Map_Docs\CSA_Supplement\Asheville - Isoconcentration Maps_Surficial.mxd 330 0 330 660165 IN FEET GRAPHIC SCALE &<MONITORING WELL &>PIEZOMETER WATER SUPPLY WELL ASH BASIN BOUNDARY ASH BASIN COMPLIANCE BOUNDARY DUKE ENERGY PROGRESS ASHEVILLE PLANT SITEBOUNDARY LEGEND TOTAL MANGANESE CONCENTRATION (μg/L)1 NOT DETECTED ABOVE REPORTING LIMITND INTERMEDIATE CONTOUR NORTH CAROLINA 2L CONTOUR APPROX. PROVISIONAL BACKGROUND CONTOUR HIGHEST CONCENTRATION AREA CONTOUR &< &> &< &< &> &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< 1982 ASHBASIN 1964 ASHBASIN Bus Park Cir B e a r L e a h T rl U S H w y 7 4 I- 26 U S H w y 74 I- 2 6 F R E N C H B R O A D R I V E R LAKEJULIAN HOTPONDSETTLING P O N D LAKEJULIAN 5 0 505000 7 5 0 MW-15D16 PZ-17S19 MW-1D39 CB-1D70PZ-1683 MW-4D87 MW-23DL87 MW-22D92 GW-1D97 MW-12D123 MW-11D149 GW-4185 MW-23DU301 GW-5363 ABMW-5D369 MW-5D494 CB-3R586 MW-21D586 MW-13D747 CB-8865 MW-18D1290 MW-3D2620 AMW-2A3110 MW-9D3660 MW-6D4480 ABMW-4D5790 NOTES: CONCENTRATIONS SHOWN REFLECT DATA GATHERED BETWEEN2/20/14 AND 7/8/16. THE NORTH CAROLINA 2L FOR MANGANESE IS 50 μg/L. PROVISIONAL BACKGROUND CONCENTRATION IS 734µg/L. AERIAL PHOTOGRAPH OBTAINED FROM GOOGLE EARTH PRO,DATED 10/18/2015. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINASTATE PLANE COORDINATE SYSTEM FIPS 3200 (NAD83/2011). FIGURE 1-37ISOCONCENTRATION MAPMANGANESE IN TRANSITION ZONEGROUNDWATERASHEVILLE STEAM ELECTRIC PLANTARDEN, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: T. PLATINGCHECKED BY: T. PLATING DATE: 08/25/2016 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Asheville\Map_Docs\CSA_Supplement\Asheville - Isoconcentration Maps_Transition.mxd 330 0 330 660165 IN FEET GRAPHIC SCALE &<MONITORING WELL &>PIEZOMETER ASH BASIN BOUNDARY ASH BASIN COMPLIANCE BOUNDARY DUKE ENERGY PROGRESS ASHEVILLE PLANT SITEBOUNDARY LEGENDTOTAL MANGANESE CONCENTRATION (μg/L)1 NOT DETECTED ABOVE REPORTING LIMITND INTERMEDIATE CONTOUR NORTH CAROLINA 2L CONTOUR APPROX. PROVISIONAL BACKGROUND CONTOUR HIGHEST CONCENTRATION AREA CONTOUR &< &< &< &< &> &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< Bus Park Cir B e a r L e a h T rl U S H w y 74 I- 2 6 U S H w y 74 I- 26 1982ASH BASIN 1964 ASHBASIN F R E N C H B R O A D R I V E R LAKEJULIAN HOTPONDSETTLING P O N D W.E.BASINS LAKEJULIAN 50 5 0 5 5 0 5 5 0 5 5 0 AS-1110 AS-512 AS-1513.5 AS-1714.6 MW-14BR16 CB-4B19 MW-2BR25 MW-13BR25 PZ-17D31 AS-2033 CB-9BR43 GW-1BR65 MW-1BR75 ABMW-11BR98 ABMW-5BR157 AS-14221 MW-5BR221 MW-22BR316 MW-18BR326 AMW-1B332 CB-8BR452 AS-6491 DW-6607 MW-9BR631MW-16BR753 AS-41880 GW-22140 AMW-3BND AS-9ND AS-13ND MW-6BRND NOTES: CONCENTRATIONS SHOWN REFLECT DATA GATHERED BETWEEN2/9/16 AND 7/12/16. THE NORTH CAROLINA 2L FOR MANGANESE IS 50 μg/L. PROVISIONAL BACKGROUND CONCENTRATION IS 548 µg/L. AERIAL PHOTOGRAPH OBTAINED FROM GOOGLE EARTH PRO,DATED 10/18/2015. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINASTATE PLANE COORDINATE SYSTEM FIPS 3200 (NAD83/2011). FIGURE 1-38ISOCONCENTRATION MAPMANGANESE IN BEDROCK GROUNDWATERASHEVILLE STEAM ELECTRIC PLANTARDEN, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: T. PLATINGCHECKED BY: T. PLATING DATE: 08/25/2016 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Asheville\Map_Docs\CSA_Supplement\Asheville - Isoconcentration Maps_Bedrock.mxd 330 0 330 660165 IN FEET GRAPHIC SCALE &<MONITORING WELL &>PIEZOMETER WATER SUPPLY WELL ASH BASIN BOUNDARY ASH BASIN COMPLIANCE BOUNDARY DUKE ENERGY PROGRESS ASHEVILLE PLANT SITEBOUNDARY LEGEND TOTAL MANGANESE CONCENTRATION (μg/L)1 NOT DETECTED ABOVE REPORTING LIMITND INTERMEDIATE CONTOUR NORTH CAROLINA 2L CONTOUR APPROX. PROVISIONAL BACKGROUND CONTOUR HIGHEST CONCENTRATION AREA CONTOUR &< &< &> &< &<&< &> &< &< &< &> &< &< &< &< &< &< &< &< &< &< &< &< &< &<&< &< &< &< &> &> &> &> &> &> &>&> Bus Park Cir B e a r L e a h T rl U S H w y 7 4 I- 26 U S H w y 7 4 I- 26 1982ASH BASIN 1964 ASHBASIN F R E N C H B R O A D R I V E R LAKEJULIAN HOTPONDSETTLING P O N D LAKEJULIAN MW-8S1.13 GW-31.17 P-1041.37 ABMW-7S1.65 GW-12.17ABMW-2S2.48 PZ-273.54 CB-44.65 APD-719 MW-9S34 PZ-26ND AS-3ND CB-5ND CB-6ND CB-7ND MW-10ND MW-11ND MW-15AND MW-16AND MW-17AND MW-20AND ABMW-5SNDAPD-1ND CB-1ND CB-2ND CB-9ND CB-9SLND DP-1ND MW-6SND MW-24SND P-100NDP-101ND P-103ND P-105ND PZ-19ND PZ-22ND PZ-23ND PZ-24ND 2 0 1.3 1 .3 1.3 NOTES: CONCENTRATIONS SHOWN REFLECT DATA GATHERED BETWEEN2/18/14 AND 7/8/16. THE NORTH CAROLINA 2L FOR SELENIUM IS 20 μg/L. PROVISIONAL BACKGROUND CONCENTRATION IS 1.3 µg/L. AERIAL PHOTOGRAPH OBTAINED FROM GOOGLE EARTH PRO,DATED 10/18/2015. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINASTATE PLANE COORDINATE SYSTEM FIPS 3200 (NAD83/2011). FIGURE 1-39ISOCONCENTRATION MAPSELENIUM IN SURFICIAL GROUNDWATERASHEVILLE STEAM ELECTRIC PLANTARDEN, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: T. PLATINGCHECKED BY: T. PLATING DATE: 08/26/2016 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Asheville\Map_Docs\CSA_Supplement\Asheville - Isoconcentration Maps_Surficial.mxd 330 0 330 660165 IN FEET GRAPHIC SCALE &<MONITORING WELL &>PIEZOMETER WATER SUPPLY WELL ASH BASIN BOUNDARY ASH BASIN COMPLIANCE BOUNDARY DUKE ENERGY PROGRESS ASHEVILLE PLANT SITEBOUNDARY LEGEND TOTAL SELENIUM CONCENTRATION (μg/L)1 NOT DETECTED ABOVE REPORTING LIMITND INTERMEDIATE CONTOUR NORTH CAROLINA 2L CONTOUR APPROX. PROVISIONAL BACKGROUND CONTOUR HIGHEST CONCENTRATION AREA CONTOUR &< &< &< &< &> &< &< &> &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &<&< 1982 ASHBASIN 1964 ASHBASIN Bus Park Cir B e a r L e a h T rl U S H w y 74 I- 2 6 U S H w y 7 4 I- 26 F R E N C H B R O A D R I V E R LAKEJULIAN HOTPONDSETTLING P O N D W.E.BASINS LAKEJULIAN 1 20 20 GW-52.94 CB-3R3.58 MW-5D3.96 MW-3D5.01 PZ-17S6.48 CB-814.1 MW-9D20.7 PZ-1627 ABMW-4DND ABMW-5DND AMW-2AND CB-1DND GW-1DND GW-4ND MW-1DND MW-4DND MW-6DND MW-11DND MW-12DND MW-13DND MW-15DND MW-18DND MW-21DND MW-22DND MW-23DLND MW-23DUND NOTES: CONCENTRATIONS SHOWN REFLECT DATA GATHERED BETWEEN2/20/14 AND 7/8/16. THE NORTH CAROLINA 2L FOR SELENIUM IS 20 μg/L. PROVISIONAL BACKGROUND CONCENTRATION IS SET AT DETECTIONLIMIT OF 1 μg/L. AERIAL PHOTOGRAPH OBTAINED FROM GOOGLE EARTH PRO,DATED 10/18/2015. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINASTATE PLANE COORDINATE SYSTEM FIPS 3200 (NAD83/2011). FIGURE 1-40ISOCONCENTRATION MAPSELENIUM IN TRANSITION ZONE GROUNDWATERASHEVILLE STEAM ELECTRIC PLANTARDEN, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: T. PLATINGCHECKED BY: T. PLATING DATE: 08/25/2016 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Asheville\Map_Docs\CSA_Supplement\Asheville - Isoconcentration Maps_Transition.mxd 330 0 330 660165 IN FEET GRAPHIC SCALE &<MONITORING WELL &>PIEZOMETER ASH BASIN BOUNDARY ASH BASIN COMPLIANCE BOUNDARY DUKE ENERGY PROGRESS ASHEVILLE PLANT SITEBOUNDARY LEGENDTOTAL SELENIUM CONCENTRATION (μg/L)1 NOT DETECTED ABOVE REPORTING LIMITND INTERMEDIATE CONTOUR NORTH CAROLINA 2L CONTOUR APPROX. PROVISIONAL BACKGROUND CONTOUR HIGHEST CONCENTRATION AREA CONTOUR &< &> &< &< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< Bus Park Cir B e a r L e a h T rl U S H w y 74 I- 2 6 U S H w y 74 I- 2 6 1982ASH BASIN 1964 ASHBASIN F R E N C H B R O A D R I V E R LAKEJULIAN HOTPONDSETTLING P O N D W.E.BASINS LAKEJULIAN 20 1 MW-14BR9.05 PZ-17D20.3 AS-15ND AS-17ND ABMW-5BRND ABMW-11BRND AMW-1BND AMW-3BND AS-4ND AS-6ND AS-9ND AS-11ND AS-13ND AS-14NDAS-20ND CB-4BND CB-8BRND CB-9BRND DW-6ND GW-1BRNDGW-2ND MW-1BRND MW-2BRND MW-5BRND MW-6BRND MW-9BRND MW-13BRND MW-16BRND MW-18BRND MW-22BRND AS-5ND NOTES: CONCENTRATIONS SHOWN REFLECT DATA GATHERED BETWEEN2/9/16 AND 7/12/16. THE NORTH CAROLINA 2L FOR SELENIUM IS 20 μg/L. PROVISIONAL BACKGROUND CONCENTRATION IS SET AT DETECTIONLIMIT OF 1 μg/L. AERIAL PHOTOGRAPH OBTAINED FROM GOOGLE EARTH PRO,DATED 10/18/2015. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINASTATE PLANE COORDINATE SYSTEM FIPS 3200 (NAD83/2011). FIGURE 1-41ISOCONCENTRATION MAPSELENIUM IN BEDROCK GROUNDWATERASHEVILLE STEAM ELECTRIC PLANTARDEN, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: T. PLATINGCHECKED BY: T. PLATING DATE: 08/25/2016 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Asheville\Map_Docs\CSA_Supplement\Asheville - Isoconcentration Maps_Bedrock.mxd 330 0 330 660165 IN FEET GRAPHIC SCALE &<MONITORING WELL &>PIEZOMETER WATER SUPPLY WELL ASH BASIN BOUNDARY ASH BASIN COMPLIANCE BOUNDARY DUKE ENERGY PROGRESS ASHEVILLE PLANT SITEBOUNDARY LEGEND TOTAL SELENIUM CONCENTRATION (μg/L)1 NOT DETECTED ABOVE REPORTING LIMITND INTERMEDIATE CONTOUR NORTH CAROLINA 2L CONTOUR APPROX. PROVISIONAL BACKGROUND CONTOUR HIGHEST CONCENTRATION AREA CONTOUR &< &> &> &< &> &< &> &<&< &< &< &< &> &> &< &< &< &< &> &< &< &< &< &> &< &< &> &< &< &> &< &< &< &< &< Bus Park Cir B e a r L e a h T rl U S H w y 7 4 I- 26 U S H w y 74 I- 26 1982 ASHBASIN 1964 ASHBASIN F R E N C H B R O A D R I V E R LAKEJULIAN HOTPONDSETTLING P O N DW.E. BASINS LAKEJULIAN CB-97 PZ-2611 P-10018 CB-219 P-10325 MW-1026 P-10526 CB-9SL27 MW-24S40 CB-543 APD-747 AS-375 ABMW-5S83 P-10488 PZ-23112 MW-15A118 MW-11138 MW-6S141 CB-4178 PZ-24202 MW-16A228 GW-3316 MW-20A339 ABMW-2S340 P-101362 ABMW-7S442 CB-7457 PZ-19565 MW-17A648 CB-6746 PZ-22826 DP-11810 MW-9S2600 MW-8S3540 CB-1ND GW-1ND 40 4 0 3000 NOTES: CONCENTRATIONS SHOWN REFLECT DATA GATHERED BETWEEN2/18/14 AND 7/8/16. NO NORTH CAROLINA 2L OR INTERIM MAXIMUM ALLOWABLECONCENTRATION ESTABLISHED FOR STRONTIUM. PROVISIONAL BACKGROUND CONCENTRATION IS 37 µg/L. AERIAL PHOTOGRAPH OBTAINED FROM GOOGLE EARTH PRO,DATED 10/18/2015. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINASTATE PLANE COORDINATE SYSTEM FIPS 3200 (NAD83/2011). FIGURE 1-42ISOCONCENTRATION MAPSTRONTIUM IN SURFICIAL GROUNDWATERASHEVILLE STEAM ELECTRIC PLANTARDEN, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: T. PLATINGCHECKED BY: T. PLATING DATE: 08/26/2016 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Asheville\Map_Docs\CSA_Supplement\Asheville - Isoconcentration Maps_Surficial.mxd 330 0 330 660165 IN FEET GRAPHIC SCALE &<MONITORING WELL &>PIEZOMETER WATER SUPPLY WELL ASH BASIN BOUNDARY ASH BASIN COMPLIANCE BOUNDARY DUKE ENERGY PROGRESS ASHEVILLE PLANT SITEBOUNDARY LEGEND STRONTIUM CONCENTRATION (µg/L)1 NOT DETECTED ABOVE REPORTING LIMITND INTERMEDIATE CONTOUR STANDARD CONTOUR APPROX. PROVISIONAL BACKGROUND CONTOUR HIGHEST CONCENTRATION AREA CONTOUR &< &< &< &< &< &< &< &< &> &< &< &< &< &< &< &> &< &< &< &< &< &< &<&< &< 1982 ASHBASIN 1964 ASHBASIN Bus Park Cir B e a r L e a h T rl U S H w y 74 I- 26 U S H w y 74 I- 26 F R E N C H B R O A D R I V E R LAKEJULIAN HOTPONDSETTLING P O N D W.E.BASINS LAKEJULIAN 1000 40 CB-1D14 MW-12D21 GW-1D25 MW-4D27 MW-1D28 MW-23DU38MW-22D48 MW-21D73 PZ-17S96 ABMW-5D108 MW-15D114 MW-23DL119 GW-4170 AMW-2A174 ABMW-4D181 PZ-16237 MW-13D265 MW-18D284 MW-6D302 MW-5D305 MW-11D356 CB-8458 MW-3D583 CB-3R723 MW-9D1740 NOTES: CONCENTRATIONS SHOWN REFLECT DATA GATHERED BETWEEN2/20/14 AND 7/8/16. NO NORTH CAROLINA 2L OR INTERIM MAXIMUM ALLOWABLECONCENTRATION ESTABLISHED FOR STRONTIUM. PROVISIONAL BACKGROUND CONCENTRATION IS 41 µg/L. AERIAL PHOTOGRAPH OBTAINED FROM GOOGLE EARTH PRO,DATED 10/18/2015. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINASTATE PLANE COORDINATE SYSTEM FIPS 3200 (NAD83/2011). FIGURE 1-43ISOCONCENTRATION MAPSTRONTIUM IN TRANSITION ZONE GROUNDWATERASHEVILLE STEAM ELECTRIC PLANTARDEN, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: T. PLATINGCHECKED BY: T. PLATING DATE: 08/25/2016 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Asheville\Map_Docs\CSA_Supplement\Asheville - Isoconcentration Maps_Transition.mxd 330 0 330 660165 IN FEET GRAPHIC SCALE &<MONITORING WELL &>PIEZOMETER ASH BASIN BOUNDARY ASH BASIN COMPLIANCE BOUNDARY DUKE ENERGY PROGRESS ASHEVILLE PLANT SITEBOUNDARY LEGENDSTRONTIUM CONCENTRATION (µg/L)1 NOT DETECTED ABOVE REPORTING LIMITND INTERMEDIATE CONTOUR STANDARD CONTOUR APPROX. PROVISIONAL BACKGROUND CONTOUR HIGHEST CONCENTRATION AREA CONTOUR &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &> &< &< &< &< Bus Park Cir B e a r L e a h T rl U S H w y 74 I- 26 U S H w y 74 I- 26 1982ASH BASIN1964 ASHBASIN F R E N C H B R O A D R I V E R LAKEJULIAN HOTPONDSETTLING P O N D W.E.BASINS LAKEJULIAN 1 2 0 1 2 0 MW-13BR16 MW-6BR35 AS-1544.5 AS-1754.7 AMW-3B57 AS-560 MW-1BR63 CB-9BR65 MW-2BR75 AS-976 AMW-1B83 GW-1BR88 DW-694 MW-22BR98 ABMW-11BR102 AS-6116 CB-4B128 CB-8BR148 AS-4203 ABMW-5BR210 MW-5BR211 AS-11232 AS-20275 MW-16BR280 PZ-17D281 MW-14BR282 AS-13373 MW-18BR419 AS-14480 GW-2675 MW-9BR1100 5 0 0 NOTES: CONCENTRATIONS SHOWN REFLECT DATA GATHERED BETWEEN2/9/16 AND 7/12/16. NO NORTH CAROLINA 2L OR INTERIM MAXIMUM ALLOWABLECONCENTRATION ESTABLISHED FOR STRONTIUM. PROVISIONAL BACKGROUND CONCENTRATION IS 122 μg/L. AERIAL PHOTOGRAPH OBTAINED FROM GOOGLE EARTH PRO,DATED 10/18/2015. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINASTATE PLANE COORDINATE SYSTEM FIPS 3200 (NAD83/2011). FIGURE 1-44ISOCONCENTRATION MAPSTRONTIUM IN BEDROCK GROUNDWATERASHEVILLE STEAM ELECTRIC PLANTARDEN, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: T. PLATINGCHECKED BY: T. PLATING DATE: 08/25/2016 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Asheville\Map_Docs\CSA_Supplement\Asheville - Isoconcentration Maps_Bedrock.mxd 330 0 330 660165 IN FEET GRAPHIC SCALE &<MONITORING WELL &>PIEZOMETER WATER SUPPLY WELL ASH BASIN BOUNDARY ASH BASIN COMPLIANCE BOUNDARY DUKE ENERGY PROGRESS ASHEVILLE PLANT SITEBOUNDARY LEGEND STRONTIUM CONCENTRATION (µg/L)1 NOT DETECTED ABOVE REPORTING LIMITND INTERMEDIATE CONTOUR STANDARD CONTOUR APPROX. PROVISIONAL BACKGROUND CONTOUR HIGHEST CONCENTRATION AREA CONTOUR &< &< &< &<&< &> &< &< &< &< &< &< &> &< &< &< &> &> &< &< &< &< &< &> &>&> &< &< &> &< &< &< &> &< &< &> &> Bus Park Cir B e a r L e a h T rl U S H w y 7 4 I- 26 U S H w y 7 4 I- 26 1982 ASHBASIN 1964 ASHBASIN LAKEJULIAN HOTPONDSETTLING P O N D LAKEJULIAN CB-90.11 CB-10.23 MW-100.3 MW-24S0.62 CB-9SL0.72 P-1053.1 MW-15A5.1 AS-312 ABMW-5S20 APD-727 MW-1130 CB-737 CB-238 P-10441 CB-543 GW-150 GW-350 P-10350 PZ-2362 MW-16A69 CB-492 DP-196 ABMW-7S120 MW-6S130 P-100140P-101160 PZ-19170 MW-17A190 MW-20A190 PZ-22200 MW-8S260 APD-1290 MW-9S290 PZ-27300 CB-6580 ABMW-2S630 PZ-24ND PZ-26ND 1 1 250 5 0 0 500 NOTES: CONCENTRATIONS SHOWN REFLECT DATA GATHERED BETWEEN2/18/14 AND 7/8/16. THE NORTH CAROLINA 2L FOR SULFATE IS 250 mg/L. PROVISIONAL BACKGROUND CONCENTRATION IS 1.3 mg/L. AERIAL PHOTOGRAPH OBTAINED FROM GOOGLE EARTH PRO,DATED 10/18/2015. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINASTATE PLANE COORDINATE SYSTEM FIPS 3200 (NAD83/2011). FIGURE 1-45ISOCONCENTRATION MAPSULFATE IN SURFICIAL GROUNDWATERASHEVILLE STEAM ELECTRIC PLANTARDEN, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: T. PLATINGCHECKED BY: T. PLATING DATE: 08/26/2016 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Asheville\Map_Docs\CSA_Supplement\Asheville - Isoconcentration Maps_Surficial.mxd 330 0 330 660165 IN FEET GRAPHIC SCALE &<MONITORING WELL &>PIEZOMETER WATER SUPPLY WELL ASH BASIN BOUNDARY ASH BASIN COMPLIANCE BOUNDARY DUKE ENERGY PROGRESS ASHEVILLE PLANT SITEBOUNDARY LEGEND TOTAL SULFATE CONCENTRATION (mg/L)1 NOT DETECTED ABOVE REPORTING LIMITND INTERMEDIATE CONTOUR NORTH CAROLINA 2L CONTOUR APPROX. PROVISIONAL BACKGROUND CONTOUR HIGHEST CONCENTRATION AREA CONTOUR &< &< &< &< &< &< &< &< &> &< &< &<&< &< &< &< &> &< &< &<&< &< &< &< &< &< 1982 ASHBASIN 1964 ASHBASIN Bus Park Cir B e a r L e a h T rl U S H w y 74 I- 26 U S H w y 74 I- 26 F R E N C H B R O A D R I V E R LAKEJULIAN HOTPONDSETTLING P O N D W.E.BASINS LAKEJULIAN 1 0 10 2 5 0 MW-15D0.24 MW-13D1.2 GW-1D1.4 MW-4D1.5 CB-1D2.1 MW-1D3.5 MW-12D7.1 MW-22D11 PZ-17S14 ABMW-5D16 MW-11D16 MW-23DU20 MW-23DL22MW-21D31 AMW-2A51 CB-8110 PZ-16110 ABMW-4D120 CB-3R140 GW-4150 MW-6D150 MW-3D190 MW-5D190 GW-5200 MW-9D280 MW-18D300 NOTES: CONCENTRATIONS SHOWN REFLECT DATA GATHERED BETWEEN2/20/14 AND 7/8/16. THE NORTH CAROLINA 2L FOR SULFATE IS 250 mg/L. PROVISIONAL BACKGROUND CONCENTRATION IS 8.5 mg/L. AERIAL PHOTOGRAPH OBTAINED FROM GOOGLE EARTH PRO,DATED 10/18/2015. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINASTATE PLANE COORDINATE SYSTEM FIPS 3200 (NAD83/2011). FIGURE 1-46ISOCONCENTRATION MAPSULFATE IN TRANSITION ZONE GROUNDWATERASHEVILLE STEAM ELECTRIC PLANTARDEN, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: T. PLATINGCHECKED BY: T. PLATING DATE: 08/25/2016 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Asheville\Map_Docs\CSA_Supplement\Asheville - Isoconcentration Maps_Transition.mxd 330 0 330 660165 IN FEET GRAPHIC SCALE &<MONITORING WELL &>PIEZOMETER ASH BASIN BOUNDARY ASH BASIN COMPLIANCE BOUNDARY DUKE ENERGY PROGRESS ASHEVILLE PLANT SITEBOUNDARY LEGENDTOTAL SULFATE CONCENTRATION (mg/L)1 NOT DETECTED ABOVE REPORTING LIMITND INTERMEDIATE CONTOUR NORTH CAROLINA 2L CONTOUR APPROX. PROVISIONAL BACKGROUND CONTOUR HIGHEST CONCENTRATION AREA CONTOUR &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &> &< &< Bus Park Cir B e a r L e a h T rl U S H w y 74 I- 2 6 U S H w y 74 I- 26 1982ASHBASIN 1964 ASHBASIN F R E N C H B R O A D R I V E R LAKEJULIAN HOTPONDSETTLING P O N D W.E.BASINS LAKEJULIAN 2 5 0 2 5 0 1 0 10 DW-60.46 AMW-3B1.1 CB-9BR1.3 AS-51.32 MW-13BR1.8 AS-152.1 AS-94.5 GW-1BR5.2 AS-176.5 MW-1BR7.5 ABMW-5BR19 AS-619 MW-22BR19 CB-8BR26 ABMW-11BR36 MW-16BR41 MW-6BR48 MW-2BR56 CB-4B62 AS-484 AMW-1B120 GW-2120 MW-5BR120 MW-9BR120 AS-20150 PZ-17D150 MW-14BR190 AS-14250 MW-18BR300 AS-11320 AS-13420 NOTES: CONCENTRATIONS SHOWN REFLECT DATA GATHERED BETWEEN2/9/16 AND 7/12/16. THE NORTH CAROLINA 2L FOR SULFATE IS 250 mg/L. PROVISIONAL BACKGROUND CONCENTRATION IS 4.4 mg/L. AERIAL PHOTOGRAPH OBTAINED FROM GOOGLE EARTH PRO,DATED 10/18/2015. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINASTATE PLANE COORDINATE SYSTEM FIPS 3200 (NAD83/2011). FIGURE 1-47ISOCONCENTRATION MAPSULFATE IN BEDROCK GROUNDWATERASHEVILLE STEAM ELECTRIC PLANTARDEN, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: T. PLATINGCHECKED BY: T. PLATING DATE: 08/25/2016 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Asheville\Map_Docs\CSA_Supplement\Asheville - Isoconcentration Maps_Bedrock.mxd 330 0 330 660165 IN FEET GRAPHIC SCALE &<MONITORING WELL &>PIEZOMETER WATER SUPPLY WELL ASH BASIN BOUNDARY ASH BASIN COMPLIANCE BOUNDARY DUKE ENERGY PROGRESS ASHEVILLE PLANT SITEBOUNDARY LEGEND TOTAL SULFATE CONCENTRATION (mg/L)1 NOT DETECTED ABOVE REPORTING LIMITND INTERMEDIATE CONTOUR NORTH CAROLINA 2L CONTOUR APPROX. PROVISIONAL BACKGROUND CONTOUR HIGHEST CONCENTRATION AREA CONTOUR &< &> &< &< &< &< &< &< &> &> &< &> &< &< &< &< &< &> &> &> &> &< &< &< &< &< &< &< &< &> &< &< &< &< &< &> Bus Park Cir B e a r L e a h T rl U S H w y 7 4 I- 2 6 U S H w y 74 I- 26 1982 ASHBASIN 1964ASHBASIN F R E N C H B R O A D R I V E R LAKEJULIAN HOTPONDSETTLING P O N DW.E. BASINS LAKEJULIAN CB-9SL43 P-10544 MW-24S52 MW-1053 CB-281 APD-796 MW-15A110 GW-1120 P-103120 PZ-23120 ABMW-5S130 P-104140 AS-3150 CB-4150CB-5160 ABMW-7S200 GW-3200 MW-6S220 P-100230 P-101260 PZ-24260 PZ-22290 MW-11300 MW-20A320 MW-16A360 DP-1370 CB-7460 APD-1580 ABMW-2S710 CB-6840 PZ-27960 MW-17A1300 MW-8S1300 MW-9S1500 CB-1ND CB-9ND PZ-2642 2 7 5 275 5 0 0 1 0 0 0 NOTES: CONCENTRATIONS SHOWN REFLECT DATA GATHERED BETWEEN2/18/14 AND 7/8/16. THE NORTH CAROLINA 2L FOR TOTAL DISSOLVED SOLIDS IS 500 mg/L. PROVISIONAL BACKGROUND CONCENTRATION IS 275 mg/L. AERIAL PHOTOGRAPH OBTAINED FROM GOOGLE EARTH PRO,DATED 10/18/2015. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINASTATE PLANE COORDINATE SYSTEM FIPS 3200 (NAD83/2011). FIGURE 1-48ISOCONCENTRATION MAPTOTAL DISSOLVED SOLIDS IN SURFICIALGROUNDWATERASHEVILLE STEAM ELECTRIC PLANTARDEN, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: T. PLATINGCHECKED BY: T. PLATING DATE: 08/26/2016 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Asheville\Map_Docs\CSA_Supplement\Asheville - Isoconcentration Maps_Surficial.mxd 330 0 330 660165 IN FEET GRAPHIC SCALE &<MONITORING WELL &>PIEZOMETER WATER SUPPLY WELL ASH BASIN BOUNDARY ASH BASIN COMPLIANCE BOUNDARY DUKE ENERGY PROGRESS ASHEVILLE PLANT SITEBOUNDARY LEGEND TOTAL DISSOLVED SOLIDS CONCENTRATION (mg/L)1 NOT DETECTED ABOVE REPORTING LIMITND INTERMEDIATE CONTOUR NORTH CAROLINA 2L CONTOUR APPROX. PROVISIONAL BACKGROUND CONTOUR HIGHEST CONCENTRATION AREA CONTOUR &< &< &< &> &< &< &< &< &< &< &< &< &< &> &< &< &<&< &<&<&< &< &< &< &< &< 1982 ASHBASIN 1964 ASHBASIN Bus Park Cir B e a r L e a h T rl U S H w y 74 I- 2 6 U S H w y 7 4 I- 26 F R E N C H B R O A D R I V E R LAKEJULIAN HOTPONDSETTLING P O N D W.E.BASINS LAKEJULIAN 2 0 0 200 200 1 0 0 0 5 0 0 GW-1D32 MW-12D32 MW-4D33 PZ-17S35 MW-1D37 MW-23DU67 MW-13D69 MW-15D82 MW-22D90MW-21D100 AMW-2A140 MW-23DL150 ABMW-5D170 PZ-16210 ABMW-4D240 MW-5D240 GW-4260 MW-6D260 GW-5280MW-3D310 CB-3R370 MW-11D440 CB-8560 MW-18D660 MW-9D1400 CB-1DND NOTES: CONCENTRATIONS SHOWN REFLECT DATA GATHERED BETWEEN2/20/14 AND 7/8/16. THE NORTH CAROLINA 2L FOR TOTAL DISSOLVED SOLIDS IS 500 mg/L. PROVISIONAL BACKGROUND CONCENTRATION IS 196 mg/L. AERIAL PHOTOGRAPH OBTAINED FROM GOOGLE EARTH PRO,DATED 10/18/2015. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINASTATE PLANE COORDINATE SYSTEM FIPS 3200 (NAD83/2011). FIGURE 1-49ISOCONCENTRATION MAPTOTAL DISSOLVED SOLIDS IN TRANSITION ZONEGROUNDWATERASHEVILLE STEAM ELECTRIC PLANTARDEN, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: T. PLATINGCHECKED BY: T. PLATING DATE: 08/25/2016 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Asheville\Map_Docs\CSA_Supplement\Asheville - Isoconcentration Maps_Transition.mxd 330 0 330 660165 IN FEET GRAPHIC SCALE &<MONITORING WELL &>PIEZOMETER ASH BASIN BOUNDARY ASH BASIN COMPLIANCE BOUNDARY DUKE ENERGY PROGRESS ASHEVILLE PLANT SITEBOUNDARY LEGENDTOTAL DISSOLVED SOLIDS CONCENTRATION (mg/L)1 NOT DETECTED ABOVE REPORTING LIMITND INTERMEDIATE CONTOUR NORTH CAROLINA 2L CONTOUR APPROX. PROVISIONAL BACKGROUND CONTOUR HIGHEST CONCENTRATION AREA CONTOUR &< &< &< &< &< &< &< &< &< &< &< &< &< &> &< &< &< &< &< &< Bus Park Cir B e a r L e a h T r l U S H w y 74 I- 26 U S H w y 74 I- 26 1982ASH BASIN 1964 ASHBASIN F R E N C H B R O A D R I V E R LAKEJULIAN HOTPONDSETTLING P O N D W.E.BASINS LAKEJULIAN 1 5 0 150 150 5 0 0 5 0 0 AS-544 AS-1547 MW-1BR56 AS-1765 AMW-3B67 CB-9BR67 DW-668 AS-984 GW-1BR110 MW-6BR140 CB-4B150 MW-22BR150 ABMW-11BR170 ABMW-5BR180 CB-8BR180 MW-2BR180 AS-6220 MW-5BR230 AMW-1B250 AS-4280 PZ-17D290 MW-16BR300 AS-20320 MW-14BR390 AS-14510 AS-11570 MW-18BR650 GW-2660 AS-13710 MW-9BR890 MW-13BRND NOTES: CONCENTRATIONS SHOWN REFLECT DATA GATHERED BETWEEN2/9/16 AND 7/12/16. THE NORTH CAROLINA 2L FOR TOTAL DISSOLVED SOLIDS IS 500 mg/L. PROVISIONAL BACKGROUND CONCENTRATION IS 151 mg/L. AERIAL PHOTOGRAPH OBTAINED FROM GOOGLE EARTH PRO,DATED 10/18/2015. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINASTATE PLANE COORDINATE SYSTEM FIPS 3200 (NAD83/2011). FIGURE 1-50ISOCONCENTRATION MAPTOTAL DISSOLVED SOLIDS IN BEDROCKGROUNDWATERASHEVILLE STEAM ELECTRIC PLANTARDEN, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: T. PLATINGCHECKED BY: T. PLATING DATE: 08/25/2016 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Asheville\Map_Docs\CSA_Supplement\Asheville - Isoconcentration Maps_Bedrock.mxd 330 0 330 660165 IN FEET GRAPHIC SCALE &<MONITORING WELL &>PIEZOMETER WATER SUPPLY WELL ASH BASIN BOUNDARY ASH BASIN COMPLIANCE BOUNDARY DUKE ENERGY PROGRESS ASHEVILLE PLANT SITEBOUNDARY LEGEND TOTAL DISSOLVED SOLIDS CONCENTRATION (mg/L)1 NOT DETECTED ABOVE REPORTING LIMITND INTERMEDIATE CONTOUR NORTH CAROLINA 2L CONTOUR APPROX. PROVISIONAL BACKGROUND CONTOUR HIGHEST CONCENTRATION AREA CONTOUR &< &< &< &> &< &> &< &> &< &< &> &> &> &< &> &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &> &> &> Bus Park Cir B e a r L e a h T rl U S H w y 7 4 I- 26 U S H w y 7 4 I- 26 1982 ASHBASIN 1964 ASHBASIN F R E N C H B R O A D R I V E R LAKEJULIAN HOTPONDSETTLING P O N DW.E. BASINS LAKEJULIAN ABMW-2S0.364 CB-70.372 MW-15A0.373 PZ-230.389 CB-9SL0.392 P-1000.457 CB-50.473 P-1030.488 CB-90.501 CB-10.537 P-1040.559 P-1050.584 PZ-190.99 DP-13.12 PZ-244.25 AS-3ND CB-6ND MW-10ND MW-11ND MW-16AND MW-17AND MW-20AND ABMW-5SND ABMW-7SND APD-7ND CB-2ND CB-4ND GW-1ND GW-3ND MW-6SND MW-8SND MW-9SND MW-24SND P-101ND PZ-22ND PZ-26ND 3 1.5 1 .5 NOTES: CONCENTRATIONS SHOWN REFLECT DATA GATHERED BETWEEN2/18/14 AND 7/8/16. THE INTERIM MAXIMUM ALLOWABLE CONCENTRATION (IMAC) FORVANADIUM IS 0.3 μg/L. PROVISIONAL BACKGROUND CONCENTRATION IS 1.5 µg/L. AERIAL PHOTOGRAPH OBTAINED FROM GOOGLE EARTH PRO,DATED 10/18/2015. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINASTATE PLANE COORDINATE SYSTEM FIPS 3200 (NAD83/2011). FIGURE 1-51ISOCONCENTRATION MAPVANADIUM IN SURFICIAL GROUNDWATERASHEVILLE STEAM ELECTRIC PLANTARDEN, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: T. PLATINGCHECKED BY: T. PLATING DATE: 08/26/2016 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Asheville\Map_Docs\CSA_Supplement\Asheville - Isoconcentration Maps_Surficial.mxd 330 0 330 660165 IN FEET GRAPHIC SCALE &<MONITORING WELL &>PIEZOMETER WATER SUPPLY WELL ASH BASIN BOUNDARY ASH BASIN COMPLIANCE BOUNDARY DUKE ENERGY PROGRESS ASHEVILLE PLANT SITEBOUNDARY LEGEND TOTAL VANADIUM CONCENTRATION (μg/L)1 NOT DETECTED ABOVE REPORTING LIMITND INTERMEDIATE CONTOUR IMAC CONTOUR APPROX. PROVISIONAL BACKGROUND CONTOUR HIGHEST CONCENTRATION AREA CONTOUR &< &< &< &< &< &< &< &< &> &< &< &< &< &< &< &< &< &< &< &< &< &< &<&< &> 1982 ASHBASIN 1964 ASHBASIN Bus Park Cir B e a r L e a h T rl U S H w y 74 I- 26 U S H w y 7 4 I- 26 F R E N C H B R O A D R I V E R LAKEJULIAN HOTPONDSETTLING P O N D W.E.BASINS LAKEJULIAN 0 .3 0.57 0.57 GW-40.328 GW-1D0.339 MW-22D0.342 CB-80.354 MW-11D0.354 CB-3R0.428 ABMW-4D0.603 MW-15D0.639 PZ-161.29 ABMW-5DND AMW-2AND CB-1DND MW-1DND MW-3DND MW-4DND MW-5DND MW-6DND MW-9DND MW-12DND MW-13DND MW-18DND MW-21DND MW-23DLND MW-23DUND PZ-17SND NOTES: CONCENTRATIONS SHOWN REFLECT DATA GATHERED BETWEEN2/20/14 AND 7/8/16. THE INTERIM MAXIMUM ALLOWABLE CONCENTRATION (IMAC) FORVANADIUM IS 0.3 μg/L. PROVISIONAL BACKGROUND CONCENTRATION IS 0.57 µg/L. AERIAL PHOTOGRAPH OBTAINED FROM GOOGLE EARTH PRO,DATED 10/18/2015. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINASTATE PLANE COORDINATE SYSTEM FIPS 3200 (NAD83/2011). FIGURE 1-52ISOCONCENTRATION MAPVANADIUM IN TRANSITION ZONE GROUNDWATERASHEVILLE STEAM ELECTRIC PLANTARDEN, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: T. PLATINGCHECKED BY: T. PLATING DATE: 08/25/2016 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Asheville\Map_Docs\CSA_Supplement\Asheville - Isoconcentration Maps_Transition.mxd 330 0 330 660165 IN FEET GRAPHIC SCALE &<MONITORING WELL &>PIEZOMETER ASH BASIN BOUNDARY ASH BASIN COMPLIANCE BOUNDARY DUKE ENERGY PROGRESS ASHEVILLE PLANT SITEBOUNDARY LEGENDTOTAL VANADIUM CONCENTRATION (μg/L)1 NOT DETECTED ABOVE REPORTING LIMITND INTERMEDIATE CONTOUR IMAC CONTOUR APPROX. PROVISIONAL BACKGROUND CONTOUR HIGHEST CONCENTRATION AREA CONTOUR &< &< &< &< &< &< &> &< &< &< &< &< &< &< &< &< &< &< &< &< Bus Park Cir B e a r L e a h T rl U S H w y 74 I- 2 6 U S H w y 74 I- 26 1982ASH BASIN 1964 ASHBASIN F R E N C H B R O A D R I V E R LAKEJULIAN HOTPONDSETTLING P O N D W.E.BASINS LAKEJULIAN 0.68 GW-1BR0.317 CB-9BR0.318 MW-14BR0.333 MW-18BR0.34 MW-2BR0.373 AMW-3B0.385 PZ-17D0.427 AS-130.47 CB-4B0.525 GW-20.581 ABMW-11BR0.69 ABMW-5BRND AMW-1BND AS-4ND AS-5ND AS-6ND AS-9ND AS-11ND AS-14NDAS-20ND CB-8BRND DW-6ND MW-1BRND MW-5BRND MW-6BRND MW-9BRND MW-13BRND MW-16BRND MW-22BRND AS-15ND AS-17ND 1 . 5 NOTES: CONCENTRATIONS SHOWN REFLECT DATA GATHERED BETWEEN2/9/16 AND 7/12/16. THE INTERIM MAXIMUM ALLOWABLE CONCENTRATION (IMAC) FORVANADIUM IS 0.3 μg/L. PROVISIONAL BACKGROUND CONCENTRATION IS 0.68 µg/L. AERIAL PHOTOGRAPH OBTAINED FROM GOOGLE EARTH PRO,DATED 10/18/2015. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINASTATE PLANE COORDINATE SYSTEM FIPS 3200 (NAD83/2011). FIGURE 1-53ISOCONCENTRATION MAPVANADIUM IN BEDROCK GROUNDWATERASHEVILLE STEAM ELECTRIC PLANTARDEN, NORTH CAROLINADRAWN BY: B. YOUNGPROJECT MANAGER: T. PLATINGCHECKED BY: T. PLATING DATE: 08/25/2016 148 RIVER STREET, SUITE 220GREENVILLE, SOUTH CAROLINA 29601PHONE 864-421-9999www.synterracorp.com P:\Duke Energy Progress.1026\00 GIS BASE DATA\Asheville\Map_Docs\CSA_Supplement\Asheville - Isoconcentration Maps_Bedrock.mxd 330 0 330 660165 IN FEET GRAPHIC SCALE &<MONITORING WELL &>PIEZOMETER WATER SUPPLY WELL ASH BASIN BOUNDARY ASH BASIN COMPLIANCE BOUNDARY DUKE ENERGY PROGRESS ASHEVILLE PLANT SITEBOUNDARY LEGEND TOTAL VANADIUM CONCENTRATION (μg/L)1 NOT DETECTED ABOVE REPORTING LIMITND INTERMEDIATE CONTOUR IMAC CONTOUR APPROX. PROVISIONAL BACKGROUND CONTOUR HIGHEST CONCENTRATION AREA CONTOUR P:\Duke Energy Progress.1026\00 GIS BASE D ATA\Asheville\Map_D ocs\CSA_Supplement\C rossSection_A\Asheville_CR OSS-SECTION A-A'_Arsenic.mxd # # # # # # # # # # # # I - 2 6 MW-8S, BRMW-9S, D, BR MW-18D, BR CB-8D, BR AS-14 CB-7 AS-11 MW-18BRL CB-8 <1 D D <1<1 <1 <1 <1<1 <1 1.2 <1 <1 <1 2034' MSL.*2034' MSL.* 1800 1800 2000 2000 2200 2200 1750 1750 1850 1850 1900 1900 1950 1950 2050 2050 2100 2100 2150 2150 2250 2250 Cross Section A-A' &< &<&< &<&< &<&<&< &<&< &< &< &< A' A LEGEND FIG URE 1-54CONCEPTUAL CROSS-SECTION A-A'ARSENIC ISO CONCENTRATIONSASHEVILLE STEAM ELECTRIC PLANTARDEN, NO RTH CAROLINA ASH REGOLITH SAPROLITE TRANSITION ZONE COMPETENT ROCK / BEDROCK SURFACE CASING WELL SCREEN GENERALIZED FRACTURE ZONE &<WELL - SELECTED FOR CROSS-SECTION CROSS-SECTION GENERALIZED WATER LEVEL - SURFICIAL # SURFICIAL WATER LEVEL # TRANSITION WATER LEVEL # BEDROCK WATER LEVEL NOTES:VERTICAL EXAGGERATION SET AT 5:1. CONCENTRATIONS SHOWN REFLECT DATA GATHERED BETWEEN2/18/14 AND 7/12/16. ARSENIC ISOCONCENTRATIONS DERIVED FROM FIGURES 1-15, 1-16, 1-17. THE NORTH CAROLINA 2L FOR ARSENIC IS 10 μg/L. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINASTATE PLANE COORDINATE SYSTEM FIPS 3200 (NAD83/2011). A(NORTH)A'(SOUTH) " FRENCH BROAD RIVER l l l ll l l l l l l l 375 0 375 750187.5 (IN FEET) GEOLOGIC DATA IS INFERRED FROM MONITORING WELL TO PRIVATE WELL AS-14 COMPLIANCE BOUNDARY DUKE ENERGY ASHEVILLE PLANT BOUNDARY DRAWN BY: B. YOUNGCHECKED BY: T. PLATINGDATE DRAWN:8/29/2016 FILL * WATER LEVELS AT AS-11 AND AS-14 WEREMEASURED ON 5/9/16 AND 5/11/16, RESPECTIVELY.THESE WATER LEVELS REPRESENT A COMPOSITE OFHYDRAULIC HEADS FROM MULTIPLE FRACTURESWITHIN EACH WELL. STATIC CONDITIONS ARE NOTASSUMED AS PUMPING AT EACH WELL IS ROUTINE. MONITORING WELLCB-8 CONCENTRATION (µg/L)99 DRYDWATER LEVEL ELEVATION2000 MSL. GENERALIZED GROUNDWATERFLOW DIRECTION AS-14 NCDEQ ID PROJECTED LAND SURFACE GROUNDWATER CONCENTRATION AREA 99 CONTOUR INTERVAL (µg/L) P:\Duke Energy Progress.1026\00 GIS BASE DATA\Asheville\Map_Docs\CSA_Supplement\CrossSection_A\Asheville_CROSS-SECTION A-A'_Boron.mxd # # # # # # # # # # # # I - 2 6 D D 2034' MSL.*2034' MSL.* MW-8S, BRMW-9S, D, BR MW-18D, BR CB-8D, BR AS-14 CB-7 AS-11 MW-18BRL CB-8 87 61401160 5540 5560 974884 339 77 54 121 2200 700 100 100 1800 1800 2000 2000 2200 2200 1750 1750 1850 1850 1900 1900 1950 1950 2050 2050 2100 2100 2150 2150 2250 2250 Cross Section A-A' &< &<&< &<&< &<&<&< &<&< &< &< &< A' A LEGEND FIG URE 1-55CONCEPTUAL CROSS-SECTION A-A'BORON ISOCONCENTRATIONSASHEVILLE STEAM ELECTRIC PLANTARDEN, NO RTH CAROLINA NOTES:VERTICAL EXAGGERATION SET AT 5:1. CONCENTRATIONS SHOWN REFLECT DATA GATHERED BETWEEN2/18/14 AND 7/12/16. BORON ISOCONCENTRATIONS DERIVED FROM FIGURES 1-18, 1-19, 1-20. THE NORTH CAROLINA 2L FOR BORON IS 700 µg/L. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINASTATE PLANE COORDINATE SYSTEM FIPS 3200 (NAD83/2011). A(NORTH)A'(SOUTH) " FRENCH BROAD RIVER l l l ll l l l l l l l 375 0 375 750187.5 (IN FEET) GEOLOGIC DATA IS INFERRED FROM MONITORING WELL TO PRIVATE WELL AS-14 COMPLIANCE BOUNDARY DUKE ENERGY ASHEVILLE PLANT BOUNDARY DRAWN BY: B. YOUNGCHECKED BY: T. PLATINGDATE DRAWN:8/29/2016 FILL * WATER LEVELS AT AS-11 AND AS-14 WEREMEASURED ON 5/9/16 AND 5/11/16, RESPECTIVELY.THESE WATER LEVELS REPRESENT A COMPOSITE OFHYDRAULIC HEADS FROM MULTIPLE FRACTURESWITHIN EACH WELL. STATIC CONDITIONS ARE NOTASSUMED AS PUMPING AT EACH WELL IS ROUTINE. ASH REGOLITH SAPROLITE TRANSITION ZONE COMPETENT ROCK / BEDROCK SURFACE CASING WELL SCREEN GENERALIZED FRACTURE ZONE &<WELL - SELECTED FOR CROSS-SECTION CROSS-SECTION GENERALIZED WATER LEVEL - SURFICIAL # SURFICIAL WATER LEVEL # TRANSITION WATER LEVEL # BEDROCK WATER LEVEL WATER LEVEL ELEVATION2000 MSL. GENERALIZED GROUNDWATERFLOW DIRECTION MONITORING WELLCB-8 DRYD CONCENTRATION (µg/L)99 AS-14 NCDEQ ID CONSTITUENT CONCENTRATIONS WEST OF FRENCHBROAD RIVER CANNOT BE CONTOURED DUE TOOPEN BOREHOLE WELL CONSTRUCTION. PROJECTED LAND SURFACE GROUNDWATER CONCENTRATION AREA 99 CONTOUR INTERVAL (µg/L) P:\Duke Energy Progress.1026\00 GIS BASE DATA\Asheville\Map_Docs\CSA_Supplement\CrossSection_A\Asheville_CROSS-SECTION A-A'_Chloride.mxd # # # # # # # # # # # # I - 2 6 D D 2034' MSL.*2034' MSL.* MW-8S, BRMW-9S, D, BR MW-18D, BR CB-8D, BR AS-14 CB-7 AS-11 MW-18BRL CB-8 14 420300 510 530 9997 9.5 9.4 54 65 250 150 1800 1800 2000 2000 2200 2200 1750 1750 1850 1850 1900 1900 1950 1950 2050 2050 2100 2100 2150 2150 2250 2250 Cross Section A-A' &< &<&< &<&< &<&<&< &<&< &< &< &< A' A LEGEND FIG URE 1-56CONCEPTUAL CROSS-SECTION A-A'CHLORIDE ISOCONCENTRATIONSASHEVILLE STEAM ELECTRIC PLANTARDEN, NO RTH CAROLINA ASH REGOLITH SAPROLITE TRANSITION ZONE COMPETENT ROCK / BEDROCK SURFACE CASING WELL SCREEN GENERALIZED FRACTURE ZONE &<WELL - SELECTED FOR CROSS-SECTION CROSS-SECTION GENERALIZED WATER LEVEL - SURFICIAL # SURFICIAL WATER LEVEL # TRANSITION WATER LEVEL # BEDROCK WATER LEVEL NOTES:VERTICAL EXAGGERATION SET AT 5:1. CONCENTRATIONS SHOWN REFLECT DATA GATHERED BETWEEN2/18/14 AND 7/12/16. CHLORIDE ISOCONCENTRATIONS DERIVED FROM FIGURES 1-21, 1-22,1-23. THE NORTH CAROLINA 2L FOR CHLORIDE IS 250 mg/L. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINASTATE PLANE COORDINATE SYSTEM FIPS 3200 (NAD83/2011). A(NORTH)A'(SOUTH) " FRENCH BROAD RIVER l l l ll l l l l l l l 375 0 375 750187.5 (IN FEET) GEOLOGIC DATA IS INFERRED FROM MONITORING WELL TO PRIVATE WELL AS-14 COMPLIANCE BOUNDARY DUKE ENERGY ASHEVILLE PLANT BOUNDARY DRAWN BY: B. YOUNGCHECKED BY: T. PLATINGDATE DRAWN:8/29/2016 FILL WATER LEVEL ELEVATION2000 MSL. * WATER LEVELS AT AS-11 AND AS-14 WEREMEASURED ON 5/9/16 AND 5/11/16, RESPECTIVELY.THESE WATER LEVELS REPRESENT A COMPOSITE OFHYDRAULIC HEADS FROM MULTIPLE FRACTURESWITHIN EACH WELL. STATIC CONDITIONS ARE NOTASSUMED AS PUMPING AT EACH WELL IS ROUTINE. GENERALIZED GROUNDWATERFLOW DIRECTION MONITORING WELLCB-8 DRYD CONCENTRATION (mg/L)99 AS-14 NCDEQ ID 99 CONTOUR INTERVAL (mg/L) PROJECTED LAND SURFACE GROUNDWATER CONCENTRATION AREA P:\Duke Energy Progress.1026\00 GIS BASE DATA\Asheville\Map_Docs\CSA_Supplement\CrossSection_A\Asheville_CROSS-SECTION A-A'_ChromiumVI.mxd # # # # # # # # # # # # I - 2 6 D D 2034' MSL.*2034' MSL.* MW-8S, BRMW-9S, D, BR MW-18D, BR CB-8D, BR AS-14 CB-7 AS-11 MW-18BRL CB-8 <0.03 <0.03<0.03 <0.03 0.5 0.056<0.03 <0.03 <0.03 <0.03 <0.03 0.27 0 .3 1800 1800 2000 2000 2200 2200 1750 1750 1850 1850 1900 1900 1950 1950 2050 2050 2100 2100 2150 2150 2250 2250 Cross Section A-A' &< &<&< &<&< &<&<&< &<&< &< &< &< A' A LEGEND FIG URE 1-57CONCEPTUAL CROSS-SECTION A-A'CHRO MIUM (VI) ISOCONCENTRATIONSASHEVILLE STEAM ELECTRIC PLANTARDEN, NO RTH CAROLINA ASH REGOLITH SAPROLITE TRANSITION ZONE COMPETENT ROCK / BEDROCK SURFACE CASING WELL SCREEN WITH GENERALIZED FRACTURE ZONE &<WELL - SELECTED FOR CROSS-SECTION CROSS-SECTION GENERALIZED WATER LEVEL - SURFICIAL # SURFICIAL WATER LEVEL # TRANSITION WATER LEVEL # BEDROCK WATER LEVEL NOTES:VERTICAL EXAGGERATION SET AT 5:1. CONCENTRATIONS SHOWN REFLECT DATA GATHERED BETWEEN 2/18/14AND 7/12/16. CHROMIUM (VI) ISOCONCENTRATIONS DERIVED FROM FIGURES 1-24, 1-25,1-26. THE NORTH CAROLINA DEPARTMENT OF HEALTH AND HUMAN SERVICESHEALTH SCREENING LEVEL FOR CHROMIUM (VI) IS 0.07 µg/L. NC DHHSMEMORANDUM, NOVEMBER 4, 2015. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATEPLANE COORDINATE SYSTEM FIPS 3200 (NAD83/2011). A(NORTH)A'(SOUTH) " FRENCH BROAD RIVER l l l ll l l l l l l l 375 0 375 750187.5 (IN FEET) GEOLOGIC DATA IS INFERRED FROM MONITORING WELL TO PRIVATE WELL AS-14 COMPLIANCE BOUNDARY DUKE ENERGY ASHEVILLE PLANT BOUNDARY DRAWN BY: B. YOUNGCHECKED BY: T. PLATINGDATE DRAWN:8/29/2016 FILL WATER LEVEL ELEVATION2000 MSL. * WATER LEVELS AT AS-11 AND AS-14 WEREMEASURED ON 5/9/16 AND 5/11/16, RESPECTIVELY.THESE WATER LEVELS REPRESENT A COMPOSITE OFHYDRAULIC HEADS FROM MULTIPLE FRACTURESWITHIN EACH WELL. STATIC CONDITIONS ARE NOTASSUMED AS PUMPING AT EACH WELL IS ROUTINE. GENERALIZED GROUNDWATERFLOW DIRECTION MONITORING WELLCB-8 DRYD CONCENTRATION (µg/L)99 AS-14 NCDEQ ID PROJECTED LAND SURFACE GROUNDWATER CONCENTRATION AREA 99 CONTOUR INTERVAL (µg/L) P:\Duke Energy Progress.1026\00 GIS BASE DATA\Asheville\Map_Docs\CSA_Supplement\CrossSection_A\Asheville_CROSS-SECTION A-A'_Chromium.mxd # # # # # # # # # # # # I - 2 6 D D 2034' MSL.*2034' MSL.* MW-8S, BRMW-9S, D, BR MW-18D, BR CB-8D, BR AS-14 CB-7 AS-11 MW-18BRL CB-8 <1 <1<1 <1 16.1 <1 <1 <1 <1 <1 <1 1 0 <5 1800 1800 2000 2000 2200 2200 1750 1750 1850 1850 1900 1900 1950 1950 2050 2050 2100 2100 2150 2150 2250 2250 Cross Section A-A' &< &<&< &<&< &<&<&< &<&< &< &< &< A' A LEGEND FIG URE 1-58CONCEPTUAL CROSS-SECTION A-A'CHRO MIUM (TOTAL) ISOCONCENTRATIO NSASHEVILLE STEAM ELECTRIC PLANTARDEN, NO RTH CAROLINA ASH REGOLITH SAPROLITE TRANSITION ZONE COMPETENT ROCK / BEDROCK SURFACE CASING WELL SCREEN GENERALIZED FRACTURE ZONE &<WELL - SELECTED FOR CROSS-SECTION CROSS-SECTION GENERALIZED WATER LEVEL - SURFICIAL # SURFICIAL WATER LEVEL # TRANSITION WATER LEVEL # BEDROCK WATER LEVEL NOTES:VERTICAL EXAGGERATION SET AT 5:1. CONCENTRATIONS SHOWN REFLECT DATA GATHERED BETWEEN2/18/14 AND 7/12/16. CHROMIUM ISOCONCENTRATIONS DERIVED FROM FIGURES 1-27, 1-28,1-29. THE NORTH CAROLINA 2L FOR CHROMIUM IS 10 μg/L. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINASTATE PLANE COORDINATE SYSTEM FIPS 3200 (NAD83/2011). A(NORTH)A'(SOUTH) " FRENCH BROAD RIVER l l l ll l l l l l l l 375 0 375 750187.5 (IN FEET) GEOLOGIC DATA IS INFERRED FROM MONITORING WELL TO PRIVATE WELL AS-14 COMPLIANCE BOUNDARY DUKE ENERGY ASHEVILLE PLANT BOUNDARY DRAWN BY: B. YOUNGCHECKED BY: T. PLATINGDATE DRAWN:8/29/2016 FILL * WATER LEVELS AT AS-11 AND AS-14 WEREMEASURED ON 5/9/16 AND 5/11/16, RESPECTIVELY.THESE WATER LEVELS REPRESENT A COMPOSITE OFHYDRAULIC HEADS FROM MULTIPLE FRACTURESWITHIN EACH WELL. STATIC CONDITIONS ARE NOTASSUMED AS PUMPING AT EACH WELL IS ROUTINE. WATER LEVEL ELEVATION2000 MSL. GENERALIZED GROUNDWATERFLOW DIRECTION MONITORING WELLCB-8 DRYD CONCENTRATION (µg/L)99 AS-14 NCDEQ ID PROJECTED LAND SURFACE GROUNDWATER CONCENTRATION AREA 99 CONTOUR INTERVAL (µg/L) P:\Duke Energy Progress.1026\00 GIS BASE D ATA\Asheville\Map_D ocs\CSA_Supplement\C rossSection_A\Asheville_CR OSS-SECTION A-A'_C obalt.mxd # # # # # # # # # # # # I - 2 6 D D 2034' MSL.*2034' MSL.* 2.7 MW-8S, BRMW-9S, D, BR MW-18D, BR CB-8D, BR AS-14 CB-7 AS-11 MW-18BRL CB-8 <1 2.75<1 7.06 3.64 <14.44 <1 <1 <1 <1 1 1800 1800 2000 2000 2200 2200 1750 1750 1850 1850 1900 1900 1950 1950 2050 2050 2100 2100 2150 2150 2250 2250 Cross Section A-A' &< &<&< &<&< &<&<&< &<&< &< &< &< A' A LEGEND FIG URE 1-59CONCEPTUAL CROSS-SECTION A-A'COBALT ISOCONCENTRATIO NSASHEVILLE STEAM ELECTRIC PLANTARDEN, NO RTH CAROLINA ASH REGOLITH SAPROLITE TRANSITION ZONE COMPETENT ROCK / BEDROCK SURFACE CASING WELL SCREEN GENERALIZED FRACTURE ZONE &<WELL - SELECTED FOR CROSS-SECTION CROSS-SECTION GENERALIZED WATER LEVEL - SURFICIAL # SURFICIAL WATER LEVEL # TRANSITION WATER LEVEL # BEDROCK WATER LEVEL NOTES:VERTICAL EXAGGERATION SET AT 5:1. CONCENTRATIONS SHOWN REFLECT DATA GATHERED BETWEEN 2/18/14AND 7/12/16. COBALT ISOCONCENTRATIONS DERIVED FROM FIGURES 1-30, 1-31, 1-32. THE INTERIM MAXIMUM ALLOWABLE CONCENTRATION (IMAC) FORCOBALT IS 1 μg/L. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINASTATE PLANE COORDINATE SYSTEM FIPS 3200 (NAD83/2011). A(NORTH)A'(SOUTH) " FRENCH BROAD RIVER l l l ll l l l l l l l 375 0 375 750187.5 (IN FEET) GEOLOGIC DATA IS INFERRED FROM MONITORING WELL TO PRIVATE WELL AS-14 COMPLIANCE BOUNDARY DUKE ENERGY ASHEVILLE PLANT BOUNDARY DRAWN BY: B. YOUNGCHECKED BY: T. PLATINGDATE DRAWN:8/29/2016 FILL * WATER LEVELS AT AS-11 AND AS-14 WEREMEASURED ON 5/9/16 AND 5/11/16, RESPECTIVELY.THESE WATER LEVELS REPRESENT A COMPOSITE OFHYDRAULIC HEADS FROM MULTIPLE FRACTURESWITHIN EACH WELL. STATIC CONDITIONS ARE NOTASSUMED AS PUMPING AT EACH WELL IS ROUTINE. WATER LEVEL ELEVATION2000 MSL. GENERALIZED GROUNDWATERFLOW DIRECTION MONITORING WELLCB-8 DRYD CONCENTRATION (µg/L)99 AS-14 NCDEQ ID PROJECTED LAND SURFACE GROUNDWATER CONCENTRATION AREA 99 CONTOUR INTERVAL (µg/L) P:\Duke Energy Progress.1026\00 GIS BASE D ATA\Asheville\Map_D ocs\CSA_Supplement\C rossSection_A\Asheville_CR OSS-SECTION A-A'_Iron.mxd # # # # # # # # # # # # I - 2 6 300 D D 2034' MSL.*2034' MSL.* MW-8S, BRMW-9S, D, BR MW-18D, BR CB-8D, BR AS-14 CB-7 AS-11 MW-18BRL CB-8 897 157740 278 78 101840 695 16 25 44 31 300 1000 1800 1800 2000 2000 2200 2200 1750 1750 1850 1850 1900 1900 1950 1950 2050 2050 2100 2100 2150 2150 2250 2250 Cross Section A-A' &< &<&< &<&< &<&<&< &<&< &< &< &< A' A LEGEND FIG URE 1-60CONCEPTUAL CROSS-SECTION A-A'IRON ISOCONCENTRATIONSASHEVILLE STEAM ELECTRIC PLANTARDEN, NO RTH CAROLINA ASH REGOLITH SAPROLITE TRANSITION ZONE COMPETENT ROCK / BEDROCK SURFACE CASING WITH CONCENTRATION WELL SCREEN WITH CONCENTRATION GENERALIZED FRACTURE ZONE &<WELL - SELECTED FOR CROSS-SECTION CROSS-SECTION GENERALIZED WATER LEVEL - SURFICIAL # SURFICIAL WATER LEVEL # TRANSITION WATER LEVEL # BEDROCK WATER LEVEL NOTES:VERTICAL EXAGGERATION SET AT 5:1. CONCENTRATIONS SHOWN REFLECT DATA GATHERED BETWEEN2/18/14 AND 7/12/16. IRON ISOCONCENTRATIONS DERIVED FROM FIGURES 1-33, 1-34, 1-35. THE NORTH CAROLINA 2L FOR IRON IS 300 μg/L. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINASTATE PLANE COORDINATE SYSTEM FIPS 3200 (NAD83/2011). A(NORTH)A'(SOUTH) " FRENCH BROAD RIVER l l l ll l l l l l l l 375 0 375 750187.5 (IN FEET) GEOLOGIC DATA IS INFERRED FROM MONITORING WELL TO PRIVATE WELL AS-14 COMPLIANCE BOUNDARY DUKE ENERGY ASHEVILLE PLANT BOUNDARY DRAWN BY: B. YOUNGCHECKED BY: T. PLATINGDATE DRAWN:8/29/2016 FILL * WATER LEVELS AT AS-11 AND AS-14 WEREMEASURED ON 5/9/16 AND 5/11/16, RESPECTIVELY.THESE WATER LEVELS REPRESENT A COMPOSITE OFHYDRAULIC HEADS FROM MULTIPLE FRACTURESWITHIN EACH WELL. STATIC CONDITIONS ARE NOTASSUMED AS PUMPING AT EACH WELL IS ROUTINE. WATER LEVEL ELEVATION2000 MSL. GENERALIZED GROUNDWATERFLOW DIRECTION MONITORING WELLCB-8 DRYD CONCENTRATION (µg/L)99 AS-14 NCDEQ ID CONSTITUENT CONCENTRATIONS WEST OF FRENCHBROAD RIVER CANNOT BE CONTOURED DUE TOOPEN BOREHOLE WELL CONSTRUCTION. PROJECTED LAND SURFACE GROUNDWATER CONCENTRATION AREA 99 CONTOUR INTERVAL (µg/L) P:\Duke Energy Progress.1026\00 GIS BASE DATA\Asheville\Map_Docs\CSA_Supplement\CrossSection_A\Asheville_CROSS-SECTION A-A'_Manganese.mxd # # # # # # # # # # # # I - 2 6 D D 2034' MSL.*2034' MSL.* MW-8S, BRMW-9S, D, BR MW-18D, BR CB-8D, BR AS-14 CB-7 AS-11 MW-18BRL CB-8 452 2920631 3660 3410 2211290 221 387 10 14 865 50 2500 1800 1800 2000 2000 2200 2200 1750 1750 1850 1850 1900 1900 1950 1950 2050 2050 2100 2100 2150 2150 2250 2250 Cross Section A-A' &< &<&< &<&< &<&<&< &<&< &< &< &< A' A LEGEND FIG URE 1-61CONCEPTUAL CROSS-SECTION A-A'MANGANESE ISOCONCENTRATIONSASHEVILLE STEAM ELECTRIC PLANTARDEN, NO RTH CAROLINA ASH REGOLITH SAPROLITE TRANSITION ZONE COMPETENT ROCK / BEDROCK SURFACE CASING WELL SCREEN GENERALIZED FRACTURE ZONE &<WELL - SELECTED FOR CROSS-SECTION CROSS-SECTION GENERALIZED WATER LEVEL - SURFICIAL # SURFICIAL WATER LEVEL # TRANSITION WATER LEVEL # BEDROCK WATER LEVEL NOTES:VERTICAL EXAGGERATION SET AT 5:1. CONCENTRATIONS SHOWN REFLECT DATA GATHERED BETWEEN2/18/14 AND 7/12/16. MANGANESE ISOCONCENTRATIONS DERIVED FROM FIGURES 1-36, 1-37, 1-38. THE NORTH CAROLINA 2L FOR MANGANESE IS 50 μg/L. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINASTATE PLANE COORDINATE SYSTEM FIPS 3200 (NAD83/2011). A(NORTH)A'(SOUTH) " FRENCH BROAD RIVER l l l ll l l l l l l l 375 0 375 750187.5 (IN FEET) GEOLOGIC DATA IS INFERRED FROM MONITORING WELL TO PRIVATE WELL AS-14 COMPLIANCE BOUNDARY DUKE ENERGY ASHEVILLE PLANT BOUNDARY DRAWN BY: B. YOUNGCHECKED BY: T. PLATINGDATE DRAWN:8/29/2016 FILL WATER LEVEL ELEVATION2000 MSL. * WATER LEVELS AT AS-11 AND AS-14 WEREMEASURED ON 5/9/16 AND 5/11/16, RESPECTIVELY.THESE WATER LEVELS REPRESENT A COMPOSITE OFHYDRAULIC HEADS FROM MULTIPLE FRACTURESWITHIN EACH WELL. STATIC CONDITIONS ARE NOTASSUMED AS PUMPING AT EACH WELL IS ROUTINE. GENERALIZED GROUNDWATERFLOW DIRECTION CONSTITUENT CONCENTRATIONS WEST OF FRENCHBROAD RIVER CANNOT BE CONTOURED DUE TOOPEN BOREHOLE WELL CONSTRUCTION. MONITORING WELLCB-8 DRYD CONCENTRATION (µg/L)99 AS-14 NCDEQ ID PROJECTED LAND SURFACE GROUNDWATER CONCENTRATION AREA 99 CONTOUR INTERVAL (µg/L) P:\Duke Energy Progress.1026\00 GIS BASE DATA\Asheville\Map_Docs\CSA_Supplement\CrossSection_A\Asheville_CROSS-SECTION A-A'_Selenium.mxd # # # # # # # # # # # # I - 2 6 D D 2034' MSL.*2034' MSL.* MW-8S, BRMW-9S, D, BR MW-18D, BR CB-8D, BR AS-14 CB-7 AS-11 MW-18BRL CB-8 <1 1.13<1 20.7 34 <1<1 <1 <1 <1 8.13 14.1 2 0 1800 1800 2000 2000 2200 2200 1750 1750 1850 1850 1900 1900 1950 1950 2050 2050 2100 2100 2150 2150 2250 2250 Cross Section A-A' &< &<&< &<&< &<&<&< &<&< &< &< &< A' A LEGEND FIG URE 1-62CONCEPTUAL CROSS-SECTION A-A'SELENIUM ISOCO NCENTRATIONSASHEVILLE STEAM ELECTRIC PLANTARDEN, NO RTH CAROLINA ASH REGOLITH SAPROLITE TRANSITION ZONE COMPETENT ROCK / BEDROCK SURFACE CASING WELL SCREEN GENERALIZED FRACTURE ZONE &<WELL - SELECTED FOR CROSS-SECTION CROSS-SECTION GENERALIZED WATER LEVEL - SURFICIAL # SURFICIAL WATER LEVEL # TRANSITION WATER LEVEL # BEDROCK WATER LEVEL NOTES:VERTICAL EXAGGERATION SET AT 5:1. CONCENTRATIONS SHOWN REFLECT DATA GATHERED BETWEEN2/18/14 AND 7/12/16. SELENIUM ISOCONCENTRATIONS DERIVED FROM FIGURES 1-39, 1-40, 1-41. THE NORTH CAROLINA 2L FOR SELENIUM IS 20 μg/L. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINASTATE PLANE COORDINATE SYSTEM FIPS 3200 (NAD83/2011). A(NORTH)A'(SOUTH) " FRENCH BROAD RIVER l l l ll l l l l l l l 375 0 375 750187.5 (IN FEET) GEOLOGIC DATA IS INFERRED FROM MONITORING WELL TO PRIVATE WELL AS-14 COMPLIANCE BOUNDARY DUKE ENERGY ASHEVILLE PLANT BOUNDARY DRAWN BY: B. YOUNGCHECKED BY: T. PLATINGDATE DRAWN:8/29/2016 FILL WATER LEVEL ELEVATION2000 MSL. * WATER LEVELS AT AS-11 AND AS-14 WEREMEASURED ON 5/9/16 AND 5/11/16, RESPECTIVELY.THESE WATER LEVELS REPRESENT A COMPOSITE OFHYDRAULIC HEADS FROM MULTIPLE FRACTURESWITHIN EACH WELL. STATIC CONDITIONS ARE NOTASSUMED AS PUMPING AT EACH WELL IS ROUTINE. GENERALIZED GROUNDWATERFLOW DIRECTION MONITORING WELLCB-8 DRYD CONCENTRATION (µg/L)99 AS-14 NCDEQ ID PROJECTED LAND SURFACE GROUNDWATER CONCENTRATION AREA 99 CONTOUR INTERVAL (µg/L) P:\Duke Energy Progress.1026\00 GIS BASE D ATA\Asheville\Map_D ocs\CSA_Supplement\C rossSection_A\Asheville_CR OSS-SECTION A-A'_Strontium.mxd # # # # # # # # # # # # I - 2 6 D D 2034' MSL.*2034' MSL.* MW-8S, BRMW-9S, D, BR MW-18D, BR CB-8D, BR AS-14 CB-7 AS-11 MW-18BRL CB-8 148 35401100 1740 2600 436290 480 350 232 318 458 20001000 1800 1800 2000 2000 2200 2200 1750 1750 1850 1850 1900 1900 1950 1950 2050 2050 2100 2100 2150 2150 2250 2250 Cross Section A-A' &< &<&< &<&< &<&<&< &<&< &< &< &< A' A LEGEND FIG URE 1-63CONCEPTUAL CROSS-SECTION A-A'STRONTIUM ISOCO NCENTRATIONSASHEVILLE STEAM ELECTRIC PLANTARDEN, NO RTH CAROLINA ASH REGOLITH SAPROLITE TRANSITION ZONE COMPETENT ROCK / BEDROCK SURFACE CASING WELL SCREEN GENERALIZED FRACTURE ZONE &<WELL - SELECTED FOR CROSS-SECTION CROSS-SECTION GENERALIZED WATER LEVEL - SURFICIAL # SURFICIAL WATER LEVEL # TRANSITION WATER LEVEL # BEDROCK WATER LEVEL NOTES:VERTICAL EXAGGERATION SET AT 5:1. CONCENTRATIONS SHOWN REFLECT DATA GATHERED BETWEEN 2/18/14AND 7/12/16. STRONTIUM ISOCONCENTRATIONS DERIVED FROM FIGURES 1-42, 1-43, 1-44. NO NORTH CAROLINA 2L OR INTERIM MAXIMUM ALLOWABLECONCENTRATION ESTABLISHED FOR STRONTIUM. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINASTATE PLANE COORDINATE SYSTEM FIPS 3200 (NAD83/2011). A(NORTH)A'(SOUTH) " FRENCH BROAD RIVER l l l ll l l l l l l l 375 0 375 750187.5 (IN FEET) GEOLOGIC DATA IS INFERRED FROM MONITORING WELL TO PRIVATE WELL AS-14 COMPLIANCE BOUNDARY DUKE ENERGY ASHEVILLE PLANT BOUNDARY DRAWN BY: B. YOUNGCHECKED BY: T. PLATINGDATE DRAWN:8/29/2016 FILL WATER LEVEL ELEVATION2000 MSL. * WATER LEVELS AT AS-11 AND AS-14 WEREMEASURED ON 5/9/16 AND 5/11/16, RESPECTIVELY.THESE WATER LEVELS REPRESENT A COMPOSITE OFHYDRAULIC HEADS FROM MULTIPLE FRACTURESWITHIN EACH WELL. STATIC CONDITIONS ARE NOTASSUMED AS PUMPING AT EACH WELL IS ROUTINE. GENERALIZED GROUNDWATERFLOW DIRECTION MONITORING WELLCB-8 DRYD CONCENTRATION (µg/L)99 AS-14 NCDEQ ID PROJECTED LAND SURFACE GROUNDWATER CONCENTRATION AREA 99 CONTOUR INTERVAL (µg/L) P:\Duke Energy Progress.1026\00 GIS BASE DATA\Asheville\Map_Docs\CSA_Supplement\CrossSection_A\Asheville_CROSS-SECTION A-A'_Sulfate.mxd # # # # # # # # # # # # I - 2 6 250 D D 2034' MSL.*2034' MSL.* MW-8S, BRMW-9S, D, BR MW-18D, BR CB-8D, BR AS-14 CB-7 AS-11 MW-18BRL CB-8 26 260120 280 290 290300 250 260 320 31 110 250 1800 1800 2000 2000 2200 2200 1750 1750 1850 1850 1900 1900 1950 1950 2050 2050 2100 2100 2150 2150 2250 2250 Cross Section A-A' &< &<&< &<&< &<&<&< &<&< &< &< &< A' A LEGEND FIG URE 1-64CONCEPTUAL CROSS-SECTION A-A'SULFATE ISOCO NCENTRATIONSASHEVILLE STEAM ELECTRIC PLANTARDEN, NO RTH CAROLINA ASH REGOLITH SAPROLITE TRANSITION ZONE COMPETENT ROCK / BEDROCK SURFACE CASING WELL SCREEN GENERALIZED FRACTURE ZONE &<WELL - SELECTED FOR CROSS-SECTION CROSS-SECTION GENERALIZED WATER LEVEL - SURFICIAL # SURFICIAL WATER LEVEL # TRANSITION WATER LEVEL # BEDROCK WATER LEVEL NOTES:VERTICAL EXAGGERATION SET AT 5:1. CONCENTRATIONS SHOWN REFLECT DATA GATHERED BETWEEN2/18/14 AND 7/12/16. SULFATE ISOCONCENTRATIONS DERIVED FROM FIGURES 1-45, 1-46, 1-47. THE NORTH CAROLINA 2L FOR SULFATE IS 250 mg/L. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINASTATE PLANE COORDINATE SYSTEM FIPS 3200 (NAD83/2011). A(NORTH)A'(SOUTH) " FRENCH BROAD RIVER l l l ll l l l l l l l 375 0 375 750187.5 (IN FEET) GEOLOGIC DATA IS INFERRED FROM MONITORING WELL TO PRIVATE WELL AS-14 COMPLIANCE BOUNDARY DUKE ENERGY ASHEVILLE PLANT BOUNDARY DRAWN BY: B. YOUNGCHECKED BY: T. PLATINGDATE DRAWN:8/29/2016 FILL * WATER LEVELS AT AS-11 AND AS-14 WEREMEASURED ON 5/9/16 AND 5/11/16, RESPECTIVELY.THESE WATER LEVELS REPRESENT A COMPOSITE OFHYDRAULIC HEADS FROM MULTIPLE FRACTURESWITHIN EACH WELL. STATIC CONDITIONS ARE NOTASSUMED AS PUMPING AT EACH WELL IS ROUTINE. WATER LEVEL ELEVATION2000 MSL. GENERALIZED GROUNDWATERFLOW DIRECTION MONITORING WELLCB-8 DRYD CONCENTRATION (mg/L)99 AS-14 NCDEQ ID CONSTITUENT CONCENTRATIONS WEST OF FRENCHBROAD RIVER CANNOT BE CONTOURED DUE TOOPEN BOREHOLE WELL CONSTRUCTION. 99 CONTOUR INTERVAL (mg/L) PROJECTED LAND SURFACE GROUNDWATER CONCENTRATION AREA P:\Duke Energy Progress.1026\00 GIS BASE D ATA\Asheville\Map_D ocs\CSA_Supplement\C rossSection_A\Asheville_CR OSS-SECTION A-A'_TDS .mxd # # # # # # # # # # # # I - 2 6 D D 2034' MSL.*2034' MSL.* MW-8S, BRMW-9S, D, BR MW-18D, BR CB-8D, BR AS-14 CB-7 AS-11 MW-18BRL CB-8 180 1300890 1400 1500 630610 510 460 570 200 560 500 1000 1800 1800 2000 2000 2200 2200 1750 1750 1850 1850 1900 1900 1950 1950 2050 2050 2100 2100 2150 2150 2250 2250 Cross Section A-A' &< &<&< &<&< &<&<&< &<&< &< &< &< A' A LEGEND FIG URE 1-65CONCEPTUAL CROSS-SECTION A-A'TO TAL DISSOLVED SOLIDS ISOCONCENTRATIONSASHEVILLE STEAM ELECTRIC PLANTARDEN, NO RTH CAROLINA ASH REGOLITH SAPROLITE TRANSITION ZONE COMPETENT ROCK / BEDROCK SURFACE CASING WELL SCREEN GENERALIZED FRACTURE ZONE &<WELL - SELECTED FOR CROSS-SECTION CROSS-SECTION GENERALIZED WATER LEVEL - SURFICIAL # SURFICIAL WATER LEVEL # TRANSITION WATER LEVEL # BEDROCK WATER LEVEL NOTES:VERTICAL EXAGGERATION SET AT 5:1. CONCENTRATIONS SHOWN REFLECT DATA GATHERED BETWEEN2/18/14 AND 7/12/16. TOTAL DISSOLVED SOLIDS ISOCONCENTRATIONS DERIVED FROMFIGURES 1-48, 1-49, 1-50. THE NORTH CAROLINA 2L FOR TOTAL DISSOLVED SOLIDS IS 500 mg/L. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINASTATE PLANE COORDINATE SYSTEM FIPS 3200 (NAD83/2011). A(NORTH)A'(SOUTH) " FRENCH BROAD RIVER l l l ll l l l l l l l 375 0 375 750187.5 (IN FEET) GEOLOGIC DATA IS INFERRED FROM MONITORING WELL TO PRIVATE WELL AS-14 COMPLIANCE BOUNDARY DUKE ENERGY ASHEVILLE PLANT BOUNDARY DRAWN BY: B. YOUNGCHECKED BY: T. PLATINGDATE DRAWN:8/29/2016 FILL * WATER LEVELS AT AS-11 AND AS-14 WEREMEASURED ON 5/9/16 AND 5/11/16, RESPECTIVELY.THESE WATER LEVELS REPRESENT A COMPOSITE OFHYDRAULIC HEADS FROM MULTIPLE FRACTURESWITHIN EACH WELL. STATIC CONDITIONS ARE NOTASSUMED AS PUMPING AT EACH WELL IS ROUTINE. WATER LEVEL ELEVATION2000 MSL. GENERALIZED GROUNDWATERFLOW DIRECTION CONSTITUENT CONCENTRATIONS WEST OF FRENCHBROAD RIVER CANNOT BE CONTOURED DUE TOOPEN BOREHOLE WELL CONSTRUCTION. MONITORING WELLCB-8 DRYD CONCENTRATION (mg/L)99 AS-14 NCDEQ ID 99 CONTOUR INTERVAL (mg/L) PROJECTED LAND SURFACE GROUNDWATER CONCENTRATION AREA P:\Duke Energy Progress.1026\00 GIS BASE DATA\Asheville\Map_Docs\CSA_Supplement\CrossSection_A\Asheville_CROSS-SECTION A-A'_Vanadium.mxd # # # # # # # # # # # # I - 2 6 D D 2034' MSL.*2034' MSL.* MW-8S, BRMW-9S, D, BR MW-18D, BR CB-8D, BR AS-14 CB-7 AS-11 MW-18BRL CB-8 <0.3 <0.3<0.3 <0.3 <0.3 <0.3<0.3 <0.3 1.74 <0.3 <0.3 0.354 1800 1800 2000 2000 2200 2200 1750 1750 1850 1850 1900 1900 1950 1950 2050 2050 2100 2100 2150 2150 2250 2250 Cross Section A-A' &< &<&< &<&< &<&<&< &<&< &< &< &< A' A LEGEND FIG URE 1-66CONCEPTUAL CROSS-SECTION A-A'VANADIUM ISOCONCENTRATIONSASHEVILLE STEAM ELECTRIC PLANTARDEN, NO RTH CAROLINA ASH REGOLITH SAPROLITE TRANSITION ZONE COMPETENT ROCK / BEDROCK SURFACE CASING WELL SCREEN GENERALIZED FRACTURE ZONE &<WELL - SELECTED FOR CROSS-SECTION CROSS-SECTION GENERALIZED WATER LEVEL - SURFICIAL # SURFICIAL WATER LEVEL # TRANSITION WATER LEVEL # BEDROCK WATER LEVEL NOTES:VERTICAL EXAGGERATION SET AT 5:1. CONCENTRATIONS SHOWN REFLECT DATA GATHERED BETWEEN 2/18/14AND 7/12/16. VANADIUM ISOCONCENTRATIONS DERIVED FROM FIGURES 1-51, 1-52, 1-53. THE INTERIM MAXIMUM ALLOWABLE CONCENTRATION (IMAC) FORVANADIUM IS 0.3 μg/L. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINASTATE PLANE COORDINATE SYSTEM FIPS 3200 (NAD83/2011). A(NORTH)A'(SOUTH) " FRENCH BROAD RIVER l l l ll l l l l l l l 375 0 375 750187.5 (IN FEET) GEOLOGIC DATA IS INFERRED FROM MONITORING WELL TO PRIVATE WELL AS-14 COMPLIANCE BOUNDARY DUKE ENERGY ASHEVILLE PLANT BOUNDARY DRAWN BY: B. YOUNGCHECKED BY: T. PLATINGDATE DRAWN:8/29/2016 FILL * WATER LEVELS AT AS-11 AND AS-14 WEREMEASURED ON 5/9/16 AND 5/11/16, RESPECTIVELY.THESE WATER LEVELS REPRESENT A COMPOSITE OFHYDRAULIC HEADS FROM MULTIPLE FRACTURESWITHIN EACH WELL. STATIC CONDITIONS ARE NOTASSUMED AS PUMPING AT EACH WELL IS ROUTINE. WATER LEVEL ELEVATION2000 MSL. GENERALIZED GROUNDWATERFLOW DIRECTION MONITORING WELLCB-8 DRYD CONCENTRATION (µg/L)99 AS-14 NCDEQ ID PROJECTED LAND SURFACE GROUNDWATER CONCENTRATION AREA 99 CONTOUR INTERVAL (µg/L) P:\Duke Energy Progress.1026\00 GIS BASE D ATA\Asheville\Map_D ocs\CSA_Supplement\C rossSection_B\Asheville_CR OSS-SECTION B-B'_Arsenic.mxd # # # # # # # # # # # # <1 2034' MSL.* CB-4, B CB-3R MW-5D, BR GW-1D, BR ABMW-6BR AMW-1B ABMW-7, S, BR MW-21D APZ-30 AS-14 MW-3DMW-3BR D <1 DD <1 <1 <1 <1 <1 <1 <1 <1 <1 D <1 1800 1800 2000 2000 2200 2200 1850 1850 1900 1900 1950 1950 2050 2050 2100 2100 2150 2150 2250 2250 Cross Section B-B' &< &<&<&< &<&<&<&<&< &<&< &<&<&<&< &< &< B' B LEGEND NOTES: VERTICAL EXAGGERATION SET AT 5:1. CONCENTRATIONS SHOWN REFLECT DATA GATHERED BETWEEN2/18/14 AND 7/12/16. ARSENIC ISOCONCENTRATIONS DERIVED FROM FIGURES 1-15, 1-16, 1-17. THE NORTH CAROLINA 2L FOR ARSENIC IS 10 μg/L. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINASTATE PLANE COORDINATE SYSTEM FIPS 3200 (NAD83/2011). B(SOUTH WEST)B'(NORTHEAST) " FRENCH BROADRIVERl I -2 6 LAKEJULIAN l l l l l l l l l l l l 350 0 350 700175 (IN FEET) GEOLOGIC DATA IS INFERRED FROMMONITORING WELL TO PRIVATE WELL AS-14 WASTE BOUNDARY COMPLIANCE BOUNDARY DUKE ENERGY ASHEVILLE PLANT BOUNDARY 2,160' msl. DRAWN BY: B. YOUNGCHECKED BY: T. PLATINGDATE DRAWN:8/25/2016 FIG URE 1-67CONCEPTUAL CROSS-SECTION B-B'ARSENIC ISO CONCENTRATIONSASHEVILLE STEAM ELECTRIC PLANTARDEN, NO RTH CAROLINA 99 CONTOUR INTERVAL (µg/L) ASH REGOLITH SAPROLITE TRANSITION ZONE COMPETENT ROCK / BEDROCK SURFACE CASING WELL SCREEN GENERALIZED FRACTURE ZONE &<WELL - SELECTED FOR CROSS-SECTION CROSS-SECTION GENERALIZED WATER LEVEL - SURFICIAL MONITORING WELLCB-8 DRYD CONCENTRATION (µg/L)99 GROUNDWATER CONCENTRATION AREA SURFICIAL WATER LEVEL TRANSITION WATER LEVEL BEDROCK WATER LEVEL = = = WATER LEVEL ELEVATION2000 MSL. B E A R L E A H T R A I L * WATER LEVELS AT AS-14 WERE MEASURED ON5/11/16. THESE WATER LEVELS REPRESENT ACOMPOSITE OF HYDRAULIC HEADS FROM MULTIPLEFRACTURES WITHIN EACH WELL. STATIC CONDITIONSARE NOT ASSUMED AS PUMPING AT EACH WELL ISROUTINE. GENERALIZED GROUNDWATERFLOW DIRECTION AS-14 NCDEQ ID P:\Duke Energy Progress.1026\00 GIS BASE DATA\Asheville\Map_Docs\CSA_Supplement\CrossSection_B\Asheville_CROSS-SECTION B-B'_Boron.mxd # # # # # # # # # # # # 2034' MSL.* CB-4, B CB-3R MW-5D, BR GW-1D, BR ABMW-6BR AMW-1B ABMW-7, S, BR MW-21D APZ-30 AS-14 MW-3BR MW-3D D 789 DD 393 378 <50 <50 <50 360 638 95 339 760 D 639 7 0 0 1 0 0 1800 1800 2000 2000 2200 2200 1850 1850 1900 1900 1950 1950 2050 2050 2100 2100 2150 2150 2250 2250 Cross Section B-B' &< &<&<&< &<&<&<&<&< &<&< &<&<&<&< &< &< B' B LEGEND FIG URE 1-68CONCEPTUAL CROSS-SECTION B-B'BORON ISOCONCENTRATIONSASHEVILLE STEAM ELECTRIC PLANTARDEN, NO RTH CAROLINA ASH REGOLITH SAPROLITE TRANSITION ZONE COMPETENT ROCK / BEDROCK SURFACE CASING WELL SCREEN GENERALIZED FRACTURE ZONE &<WELL - SELECTED FOR CROSS-SECTION CROSS-SECTION GENERALIZED WATER LEVEL - SURFICIAL NOTES: VERTICAL EXAGGERATION SET AT 5:1. CONCENTRATIONS SHOWN REFLECT DATA GATHERED BETWEEN2/18/14 AND 7/12/16. BORON ISOCONCENTRATIONS DERIVED FROM FIGURES 1-18, 1-19, 1-20. THE NORTH CAROLINA 2L FOR BORON IS 700 µg/L. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINASTATE PLANE COORDINATE SYSTEM FIPS 3200 (NAD83/2011). B(SOUTH WEST)B'(NORTHEAST) " FRENCH BROADRIVERl I -2 6 LAKEJULIAN l l l l l l l l l l l l 350 0 350 700175 (IN FEET) GEOLOGIC DATA IS INFERRED FROMMONITORING WELL TO PRIVATE WELL AS-14 WASTE BOUNDARY COMPLIANCE BOUNDARY DUKE ENERGY ASHEVILLE PLANT BOUNDARY 2,160' msl. DRAWN BY: B. YOUNGCHECKED BY: T. PLATINGDATE DRAWN:8/25/2016 99 CONTOUR INTERVAL (µg/L) GROUNDWATER CONCENTRATION AREA SURFICIAL WATER LEVEL TRANSITION WATER LEVEL BEDROCK WATER LEVEL = = = B E A R L E A H T R A I L WATER LEVEL ELEVATION2000 MSL. * WATER LEVELS AT AS-14 WERE MEASURED ON5/11/16. THESE WATER LEVELS REPRESENT ACOMPOSITE OF HYDRAULIC HEADS FROM MULTIPLEFRACTURES WITHIN EACH WELL. STATIC CONDITIONSARE NOT ASSUMED AS PUMPING AT EACH WELL ISROUTINE. MONITORING WELLCB-8 DRYD CONCENTRATION (µg/L)99 GENERALIZED GROUNDWATERFLOW DIRECTION AS-14 NCDEQ ID CONSTITUENT CONCENTRATIONS WEST OFFRENCH BROAD RIVER CANNOT BE CONTOUREDDUE TO OPEN BOREHOLE WELL CONSTRUCTION. P:\Duke Energy Progress.1026\00 GIS BASE D ATA\Asheville\Map_D ocs\CSA_Supplement\C rossSection_B\Asheville_CR OSS-SECTION B-B'_Chloride.mxd # # # # # # # # # # # # 2034' MSL.* CB-4, B CB-3R MW-5D, BR GW-1D, BR ABMW-6BR AMW-1B ABMW-7, S, BR MW-21D APZ-30 AS-14 MW-3BR MW-3D D 6.7 10 D 7.3 DD 9.8 2.2 6.6 1.5 4.2 8.9 9.6 29 9.5 1800 1800 2000 2000 2200 2200 1850 1850 1900 1900 1950 1950 2050 2050 2100 2100 2150 2150 2250 2250 Cross Section B-B' &< &<&<&< &<&<&<&<&< &<&< &<&<&<&< &< &< B' B LEGEND ASH REGOLITH SAPROLITE TRANSITION ZONE COMPETENT ROCK / BEDROCK SURFACE CASING WELL SCREEN GENERALIZED FRACTURE ZONE &<WELL - SELECTED FOR CROSS-SECTION CROSS-SECTION GENERALIZED WATER LEVEL - SURFICIAL NOTES: VERTICAL EXAGGERATION SET AT 5:1. CONCENTRATIONS SHOWN REFLECT DATA GATHERED BETWEEN2/18/14 AND 7/12/16. CHLORIDE ISOCONCENTRATIONS DERIVED FROM FIGURES 1-21, 1-22,1-23. THE NORTH CAROLINA 2L FOR CHLORIDE IS 250 mg/L. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINASTATE PLANE COORDINATE SYSTEM FIPS 3200 (NAD83/2011). B(SOUTH WEST)B'(NORTHEAST) " FRENCH BROADRIVERl I -2 6 LAKEJULIAN l l l l l l l l l l l l 350 0 350 700175 (IN FEET) GEOLOGIC DATA IS INFERRED FROMMONITORING WELL TO PRIVATE WELL AS-14 WASTE BOUNDARY COMPLIANCE BOUNDARY DUKE ENERGY ASHEVILLE PLANT BOUNDARY 2,160' msl. DRAWN BY: B. YOUNGCHECKED BY: T. PLATINGDATE DRAWN:8/25/2016 FIG URE 1-69CONCEPTUAL CROSS-SECTION B-B'CHLORIDE ISOCONCENTRATIONSASHEVILLE STEAM ELECTRIC PLANTARDEN, NO RTH CAROLINA 99 CONTOUR INTERVAL (mg/L) MONITORING WELLCB-8 DRYD CONCENTRATION (mg/L)99 B E A R L E A H T R A I L GROUNDWATER CONCENTRATION AREA SURFICIAL WATER LEVEL TRANSITION WATER LEVEL BEDROCK WATER LEVEL = = = WATER LEVEL ELEVATION2000 MSL. GENERALIZED GROUNDWATERFLOW DIRECTION * WATER LEVELS AT AS-14 WERE MEASURED ON5/11/16. THESE WATER LEVELS REPRESENT ACOMPOSITE OF HYDRAULIC HEADS FROM MULTIPLEFRACTURES WITHIN EACH WELL. STATIC CONDITIONSARE NOT ASSUMED AS PUMPING AT EACH WELL ISROUTINE. AS-14 NCDEQ ID P:\Duke Energy Progress.1026\00 GIS BASE D ATA\Asheville\Map_D ocs\CSA_Supplement\C rossSection_B\Asheville_CR OSS-SECTION B-B'_ChromiumVI.mxd # # # # # # # # # # # # 2034' MSL.* CB-4, B CB-3R MW-5D, BR GW-1D, BR ABMW-6BR AMW-1B ABMW-7, S, BR MW-21D APZ-30 AS-14 D MW-3BR MW-3D <0.03 NS D NS DD <0.03 <0.03 <0.03 <0.03 0.091 <0.03 <0.03 <0.03 <0.03 1800 1800 2000 2000 2200 2200 1850 1850 1900 1900 1950 1950 2050 2050 2100 2100 2150 2150 2250 2250 Cross Section B-B' &< &<&<&< &<&<&<&<&< &<&< &<&<&<&< &< &< B' B LEGEND NOTES: VERTICAL EXAGGERATION SET AT 5:1. CONCENTRATIONS SHOWN REFLECT DATA GATHERED BETWEEN 2/18/14AND 7/12/16. CHROMIUM (VI) ISOCONCENTRATIONS DERIVED FROM FIGURES 1-24, 1-25,1-26. THE NORTH CAROLINA DEPARTMENT OF HEALTH AND HUMAN SERVICESHEALTH SCREENING LEVEL FOR CHROMIUM (VI) IS 0.07 µg/L. NC DHHSMEMORANDUM, NOVEMBER 4, 2015. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATEPLANE COORDINATE SYSTEM FIPS 3200 (NAD83/2011). B(SOUTH WEST)B'(NORTHEAST) " FRENCH BROADRIVERl I -2 6 LAKEJULIAN l l l l l l l l l l l l 350 0 350 700175 (IN FEET) GEOLOGIC DATA IS INFERRED FROMMONITORING WELL TO PRIVATE WELL AS-14 WASTE BOUNDARY COMPLIANCE BOUNDARY DUKE ENERGY ASHEVILLE PLANT BOUNDARY 2,160' msl. DRAWN BY: B. YOUNGCHECKED BY: T. PLATINGDATE DRAWN:8/25/2016 FIG URE 1-70CONCEPTUAL CROSS-SECTION B-B'CHRO MIUM (VI) ISOCONCENTRATIONSASHEVILLE STEAM ELECTRIC PLANTARDEN, NO RTH CAROLINA B E A R L E A H T R A I L ASH REGOLITH SAPROLITE TRANSITION ZONE COMPETENT ROCK / BEDROCK SURFACE CASING WELL SCREEN GENERALIZED FRACTURE ZONE &<WELL - SELECTED FOR CROSS-SECTION CROSS-SECTION GENERALIZED WATER LEVEL - SURFICIAL 99 CONTOUR INTERVAL (µg/L) GROUNDWATER CONCENTRATION AREA SURFICIAL WATER LEVEL TRANSITION WATER LEVEL BEDROCK WATER LEVEL = = = * WATER LEVELS AT AS-14 WERE MEASURED ON5/11/16. THESE WATER LEVELS REPRESENT ACOMPOSITE OF HYDRAULIC HEADS FROM MULTIPLEFRACTURES WITHIN EACH WELL. STATIC CONDITIONSARE NOT ASSUMED AS PUMPING AT EACH WELL ISROUTINE. WATER LEVEL ELEVATION2000 MSL. GENERALIZED GROUNDWATERFLOW DIRECTION MONITORING WELLCB-8 CONCENTRATION (µg/L)99 NOT SAMPLEDNS DRYD AS-14 NCDEQ ID P:\Duke Energy Progress.1026\00 GIS BASE D ATA\Asheville\Map_D ocs\CSA_Supplement\C rossSection_B\Asheville_CR OSS-SECTION B-B'_Chromium.mxd # # # # # # # # # # # # 2034' MSL.* CB-4, B CB-3R MW-5D, BR GW-1D, BR ABMW-6BR AMW-1B ABMW-7, S, BR MW-21D APZ-30 AS-14 MW-3BR MW-3D D <5 1.2 D <1 DD <1 <1 <1 <1 <1 <1 <1 <1 <1 1800 1800 2000 2000 2200 2200 1850 1850 1900 1900 1950 1950 2050 2050 2100 2100 2150 2150 2250 2250 Cross Section B-B' &< &<&<&< &<&<&<&<&< &<&< &<&<&<&< &< &<&< B' B LEGEND NOTES: VERTICAL EXAGGERATION SET AT 5:1. CONCENTRATIONS SHOWN REFLECT DATA GATHERED BETWEEN2/18/14 AND 7/12/16. CHROMIUM ISOCONCENTRATIONS DERIVED FROM FIGURES 1-27, 1-28,1-29. THE NORTH CAROLINA 2L FOR CHROMIUM IS 10 μg/L. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINASTATE PLANE COORDINATE SYSTEM FIPS 3200 (NAD83/2011). B(SOUTH WEST)B'(NORTHEAST) " FRENCH BROADRIVERl I -2 6 LAKEJULIAN l l l l l l l l l l l l 350 0 350 700175 (IN FEET) GEOLOGIC DATA IS INFERRED FROMMONITORING WELL TO PRIVATE WELL AS-14 WASTE BOUNDARY COMPLIANCE BOUNDARY DUKE ENERGY ASHEVILLE PLANT BOUNDARY 2,160' msl. DRAWN BY: B. YOUNGCHECKED BY: T. PLATINGDATE DRAWN:8/25/2016 FIG URE 1-71CONCEPTUAL CROSS-SECTION B-B'CHRO MIUM (TOTAL) ISOCONCENTRATIO NSASHEVILLE STEAM ELECTRIC PLANTARDEN, NO RTH CAROLINA ASH REGOLITH SAPROLITE TRANSITION ZONE COMPETENT ROCK / BEDROCK SURFACE CASING WELL SCREEN GENERALIZED FRACTURE ZONE &<WELL - SELECTED FOR CROSS-SECTION CROSS-SECTION GENERALIZED WATER LEVEL - SURFICIAL GROUNDWATER CONCENTRATION AREA 99 CONTOUR INTERVAL (µg/L) MONITORING WELLCB-8 DRYD CONCENTRATION (µg/L)99 SURFICIAL WATER LEVEL TRANSITION WATER LEVEL BEDROCK WATER LEVEL = = = B E A R L E A H T R A I L * WATER LEVELS AT AS-14 WERE MEASURED ON5/11/16. THESE WATER LEVELS REPRESENT ACOMPOSITE OF HYDRAULIC HEADS FROM MULTIPLEFRACTURES WITHIN EACH WELL. STATIC CONDITIONSARE NOT ASSUMED AS PUMPING AT EACH WELL ISROUTINE. WATER LEVEL ELEVATION2000 MSL. GENERALIZED GROUNDWATERFLOW DIRECTION AS-14 NCDEQ ID P:\Duke Energy Progress.1026\00 GIS BASE D ATA\Asheville\Map_D ocs\CSA_Supplement\C rossSection_B\Asheville_CR OSS-SECTION B-B'_Cobalt.mxd # # # # # # # # # # # # 2034' MSL.* CB-4, B CB-3R MW-5D, BR GW-1D, BR ABMW-6BR AMW-1B ABMW-7, S, BR MW-21D APZ-30 AS-14 D 3.5 DD <1 1.05 <1 <1 1.62 <1 24.3 1.09 <1 D MW-3BR MW-3D 85.221.1 1 1800 1800 2000 2000 2200 2200 1850 1850 1900 1900 1950 1950 2050 2050 2100 2100 2150 2150 2250 2250 Cross Section B-B' &< &<&<&< &<&<&<&<&< &<&< &<&<&<&< &< &< B' B LEGEND NOTES: VERTICAL EXAGGERATION SET AT 5:1. CONCENTRATIONS SHOWN REFLECT DATA GATHERED BETWEEN 2/18/14AND 7/12/16. COBALT ISOCONCENTRATIONS DERIVED FROM FIGURES 1-30, 1-31, 1-32. THE INTERIM MAXIMUM ALLOWABLE CONCENTRATION (IMAC) FORCOBALT IS 1 μg/L. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINASTATE PLANE COORDINATE SYSTEM FIPS 3200 (NAD83/2011). B(SOUTH WEST)B'(NORTHEAST) " FRENCH BROADRIVERl I -2 6 LAKEJULIAN l l l l l l l l l l l l 350 0 350 700175 (IN FEET) GEOLOGIC DATA IS INFERRED FROMMONITORING WELL TO PRIVATE WELL AS-14 WASTE BOUNDARY COMPLIANCE BOUNDARY DUKE ENERGY ASHEVILLE PLANT BOUNDARY 2,160' msl. DRAWN BY: B. YOUNGCHECKED BY: T. PLATINGDATE DRAWN:8/25/2016 FIG URE 1-72CONCEPTUAL CROSS-SECTION B-B'COBALT ISOCONCENTRATIO NSASHEVILLE STEAM ELECTRIC PLANTARDEN, NO RTH CAROLINA B E A R L E A H T R A I L ASH REGOLITH SAPROLITE TRANSITION ZONE COMPETENT ROCK / BEDROCK SURFACE CASING WELL SCREEN GENERALIZED FRACTURE ZONE &<WELL - SELECTED FOR CROSS-SECTION CROSS-SECTION GENERALIZED WATER LEVEL - SURFICIAL 99 CONTOUR INTERVAL (µg/L) GROUNDWATER CONCENTRATION AREA SURFICIAL WATER LEVEL TRANSITION WATER LEVEL BEDROCK WATER LEVEL = = = * WATER LEVELS AT AS-14 WERE MEASURED ON5/11/16. THESE WATER LEVELS REPRESENT ACOMPOSITE OF HYDRAULIC HEADS FROM MULTIPLEFRACTURES WITHIN EACH WELL. STATIC CONDITIONSARE NOT ASSUMED AS PUMPING AT EACH WELL ISROUTINE. WATER LEVEL ELEVATION2000 MSL. GENERALIZED GROUNDWATERFLOW DIRECTION MONITORING WELLCB-8 DRYD CONCENTRATION (µg/L)99 AS-14 NCDEQ ID P:\Duke Energy Progress.1026\00 GIS BASE DATA\Asheville\Map_Docs\CSA_Supplement\CrossSection_B\Asheville_CROSS-SECTION B-B'_Iron.mxd # # # # # # # # # # # # 10 00 2034' MSL.* CB-4, B CB-3R MW-05D, BR GW-1D, BR ABMW-6BR AMW-1B ABMW-7, S, BR MW-21D APZ-30 AS-14 D 170 DD 8110 10 1240 1190 221 29800 2440 2440 695 D MW-3BR MW-3D 697 1540 10 00 1 0 0 0 0 1800 1800 2000 2000 2200 2200 1850 1850 1900 1900 1950 1950 2050 2050 2100 2100 2150 2150 2250 2250 Cross Section B-B' &< &<&<&< &<&<&<&<&< &<&< &<&<&<&< &< &< B' B LEGEND NOTES: VERTICAL EXAGGERATION SET AT 5:1. CONCENTRATIONS SHOWN REFLECT DATA GATHERED BETWEEN2/18/14 AND 7/12/16. IRON ISOCONCENTRATIONS DERIVED FROM FIGURES 1-33, 1-34, 1-35. THE NORTH CAROLINA 2L FOR IRON IS 300 μg/L. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINASTATE PLANE COORDINATE SYSTEM FIPS 3200 (NAD83/2011). B(SOUTH WEST)B'(NORTHEAST) " FRENCH BROADRIVERl I -2 6 LAKEJULIAN l l l l l l l l l l l l 350 0 350 700175 (IN FEET) GEOLOGIC DATA IS INFERRED FROMMONITORING WELL TO PRIVATE WELL AS-14 WASTE BOUNDARY COMPLIANCE BOUNDARY DUKE ENERGY ASHEVILLE PLANT BOUNDARY 2,160' msl. DRAWN BY: B. YOUNGCHECKED BY: T. PLATINGDATE DRAWN:8/25/2016 FIG URE 1-73CONCEPTUAL CROSS-SECTION B-B'IRON ISOCONCENTRATIONSASHEVILLE STEAM ELECTRIC PLANTARDEN, NO RTH CAROLINA ASH REGOLITH SAPROLITE TRANSITION ZONE COMPETENT ROCK / BEDROCK SURFACE CASING WELL SCREEN GENERALIZED FRACTURE ZONE &<WELL - SELECTED FOR CROSS-SECTION CROSS-SECTION GENERALIZED WATER LEVEL - SURFICIAL 99 CONTOUR INTERVAL (µg/L) GROUNDWATER CONCENTRATION AREA SURFICIAL WATER LEVEL TRANSITION WATER LEVEL BEDROCK WATER LEVEL = = = B E A R L E A H T R A I L WATER LEVEL ELEVATION2000 MSL. * WATER LEVELS AT AS-14 WERE MEASURED ON5/11/16. THESE WATER LEVELS REPRESENT ACOMPOSITE OF HYDRAULIC HEADS FROM MULTIPLEFRACTURES WITHIN EACH WELL. STATIC CONDITIONSARE NOT ASSUMED AS PUMPING AT EACH WELL ISROUTINE. GENERALIZED GROUNDWATERFLOW DIRECTION MONITORING WELLCB-8 DRYD CONCENTRATION (µg/L)99 AS-14 NCDEQ ID P:\Duke Energy Progress.1026\00 GIS BASE D ATA\Asheville\Map_D ocs\CSA_Supplement\C rossSection_B\Asheville_CR OSS-SECTION B-B'_Manganese.mxd # # # # # # # # # # # # 2034' MSL.* CB-4, B CB-3R MW-5D, BR GW-1D, BR ABMW-6BR AMW-1B ABMW-7, S, BR MW-21D APZ-30 AS-14 332 382 67 65 97 221 494 645 221 D 763 D D D MW-3BR MW-3D 586 2620 3 5 0 5 0 1800 1800 2000 2000 2200 2200 1850 1850 1900 1900 1950 1950 2050 2050 2100 2100 2150 2150 2250 2250 Cross Section B-B' &< &<&<&< &<&<&<&<&< &<&< &<&<&<&< &< &< B' B LEGEND NOTES: VERTICAL EXAGGERATION SET AT 5:1. CONCENTRATIONS SHOWN REFLECT DATA GATHERED BETWEEN2/18/14 AND 7/12/16. MANGANESE ISOCONCENTRATIONS DERIVED FROM FIGURES 1-36, 1-37, 1-38. THE NORTH CAROLINA 2L FOR MANGANESE IS 50 μg/L. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINASTATE PLANE COORDINATE SYSTEM FIPS 3200 (NAD83/2011). B(SOUTH WEST)B'(NORTHEAST) " FRENCH BROADRIVERl I -2 6 LAKEJULIAN l l l l l l l l l l l l 350 0 350 700175 (IN FEET) GEOLOGIC DATA IS INFERRED FROMMONITORING WELL TO PRIVATE WELL AS-14 WASTE BOUNDARY COMPLIANCE BOUNDARY DUKE ENERGY ASHEVILLE PLANT BOUNDARY 2,160' msl. DRAWN BY: B. YOUNGCHECKED BY: T. PLATINGDATE DRAWN:8/25/2016 FIG URE 1-74CONCEPTUAL CROSS-SECTION B-B'MANGANESE ISOCONCENTRATIONSASHEVILLE STEAM ELECTRIC PLANTARDEN, NO RTH CAROLINA ASH REGOLITH SAPROLITE TRANSITION ZONE COMPETENT ROCK / BEDROCK SURFACE CASING WELL SCREEN GENERALIZED FRACTURE ZONE &<WELL - SELECTED FOR CROSS-SECTION CROSS-SECTION GENERALIZED WATER LEVEL - SURFICIAL 99 CONTOUR INTERVAL (µg/L) GROUNDWATER CONCENTRATION AREA SURFICIAL WATER LEVEL TRANSITION WATER LEVEL BEDROCK WATER LEVEL = = = * WATER LEVELS AT AS-14 WERE MEASURED ON5/11/16. THESE WATER LEVELS REPRESENT ACOMPOSITE OF HYDRAULIC HEADS FROM MULTIPLEFRACTURES WITHIN EACH WELL. STATIC CONDITIONSARE NOT ASSUMED AS PUMPING AT EACH WELL ISROUTINE. B E A R L E A H T R A I L WATER LEVEL ELEVATION2000 MSL. GENERALIZED GROUNDWATERFLOW DIRECTION MONITORING WELLCB-8 DRYD CONCENTRATION (µg/L)99 AS-14 NCDEQ ID CONSTITUENT CONCENTRATIONS WEST OFFRENCH BROAD RIVER CANNOT BE CONTOUREDDUE TO OPEN BOREHOLE WELL CONSTRUCTION. P:\Duke Energy Progress.1026\00 GIS BASE D ATA\Asheville\Map_D ocs\CSA_Supplement\C rossSection_B\Asheville_CR OSS-SECTION B-B'_Selenium.mxd # # # # # # # # # # # # 2034' MSL.* CB-4, B CB-3R MW-5D, BR GW-1D, BR ABMW-6BR AMW-1B ABMW-7, S, BR MW-21D APZ-30 AS-14 MW-3BR MW-3D D 1.65 DD <1 D7.36 <1 <1 <1 <1 3.96 <1 <1 3.58 5.01 1800 1800 2000 2000 2200 2200 1850 1850 1900 1900 1950 1950 2050 2050 2100 2100 2150 2150 2250 2250 Cross Section B-B' &< &<&<&< &<&<&<&<&< &<&< &<&<&<&< &< &< B' B LEGEND NOTES: VERTICAL EXAGGERATION SET AT 5:1. CONCENTRATIONS SHOWN REFLECT DATA GATHERED BETWEEN2/18/14 AND 7/12/16.. SELENIUM ISOCONCENTRATIONS DERIVED FROM FIGURES 1-39, 1-40, 1-41. THE NORTH CAROLINA 2L FOR SELENIUM IS 20 μg/L. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINASTATE PLANE COORDINATE SYSTEM FIPS 3200 (NAD83/2011). B(SOUTH WEST)B'(NORTHEAST) " FRENCH BROADRIVERl I -2 6 LAKEJULIAN l l l l l l l l l l l l 350 0 350 700175 (IN FEET) GEOLOGIC DATA IS INFERRED FROMMONITORING WELL TO PRIVATE WELL AS-14 WASTE BOUNDARY COMPLIANCE BOUNDARY DUKE ENERGY ASHEVILLE PLANT BOUNDARY 2,160' msl. DRAWN BY: B. YOUNGCHECKED BY: T. PLATINGDATE DRAWN:8/25/2016 FIG URE 1-75CONCEPTUAL CROSS-SECTION B-B'SELENIUM ISOCO NCENTRATIONSASHEVILLE STEAM ELECTRIC PLANTARDEN, NO RTH CAROLINA ASH REGOLITH SAPROLITE TRANSITION ZONE COMPETENT ROCK / BEDROCK SURFACE CASING WELL SCREEN GENERALIZED FRACTURE ZONE &<WELL - SELECTED FOR CROSS-SECTION CROSS-SECTION GENERALIZED WATER LEVEL - SURFICIAL 99 CONTOUR INTERVAL (µg/L) GROUNDWATER CONCENTRATION AREA SURFICIAL WATER LEVEL TRANSITION WATER LEVEL BEDROCK WATER LEVEL = = = WATER LEVEL ELEVATION2000 MSL. * WATER LEVELS AT AS-14 WERE MEASURED ON5/11/16. THESE WATER LEVELS REPRESENT ACOMPOSITE OF HYDRAULIC HEADS FROM MULTIPLEFRACTURES WITHIN EACH WELL. STATIC CONDITIONSARE NOT ASSUMED AS PUMPING AT EACH WELL ISROUTINE. B E A R L E A H T R A I L GENERALIZED GROUNDWATERFLOW DIRECTION MONITORING WELLCB-8 DRYD CONCENTRATION (µg/L)99 AS-14 NCDEQ ID P:\Duke Energy Progress.1026\00 GIS BASE DATA\Asheville\Map_Docs\CSA_Supplement\CrossSection_B\Asheville_CROSS-SECTION B-B'_Strontium.mxd # # # # # # # # # # # # 2034' MSL.* 583 305 442 CB-4, B CB-3R MW-5D, BR GW-1D, BR ABMW-6BR AMW-1B ABMW-7, S, BR MW-21D APZ-30 AS-14 MW-3BR MW-3D D DD 83 136 129 88 25 211 480 723 D 1800 1800 2000 2000 2200 2200 1850 1850 1900 1900 1950 1950 2050 2050 2100 2100 2150 2150 2250 2250 Cross Section B-B' &< &<&<&< &<&<&<&<&< &<&< &<&<&<&< &< &< B' B LEGEND NOTES: VERTICAL EXAGGERATION SET AT 5:1. CONCENTRATIONS SHOWN REFLECT DATA GATHERED BETWEEN 2/18/14AND 7/12/16. STRONTIUM ISOCONCENTRATIONS DERIVED FROM FIGURES 1-42, 1-43, 1-44. NO NORTH CAROLINA 2L OR INTERIM MAXIMUM ALLOWABLECONCENTRATION ESTABLISHED FOR STRONTIUM. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINASTATE PLANE COORDINATE SYSTEM FIPS 3200 (NAD83/2011). B(SOUTH WEST)B'(NORTHEAST) " FRENCH BROADRIVERl I -2 6 LAKEJULIAN l l l l l l l l l l l l 350 0 350 700175 (IN FEET) GEOLOGIC DATA IS INFERRED FROMMONITORING WELL TO PRIVATE WELL AS-14 WASTE BOUNDARY COMPLIANCE BOUNDARY DUKE ENERGY ASHEVILLE PLANT BOUNDARY 2,160' msl. DRAWN BY: B. YOUNGCHECKED BY: T. PLATINGDATE DRAWN:8/25/2016 FIG URE 1-76CONCEPTUAL CROSS-SECTION B-B'STRONTIUM ISOCO NCENTRATIONSASHEVILLE STEAM ELECTRIC PLANTARDEN, NO RTH CAROLINA B E A R L E A H T R A I L ASH REGOLITH SAPROLITE TRANSITION ZONE COMPETENT ROCK / SURFACE CASING WELL SCREEN GENERALIZED FRACTURE &<WELL - SELECTED FOR CROSS-SECTION CROSS-SECTION GENERALIZED WATER LEVEL - 99 CONTOUR INTERVAL (µg/L) GROUNDWATER CONCENTRATION AREA SURFICIAL WATER LEVEL TRANSITION WATER LEVEL BEDROCK WATER LEVEL = = = * WATER LEVELS AT AS-14 WERE MEASURED ON5/11/16. THESE WATER LEVELS REPRESENT ACOMPOSITE OF HYDRAULIC HEADS FROM MULTIPLEFRACTURES WITHIN EACH WELL. STATIC CONDITIONSARE NOT ASSUMED AS PUMPING AT EACH WELL ISROUTINE. GENERALIZED GROUNDWATERFLOW DIRECTION WATER LEVEL ELEVATION2000 MSL. MONITORING WELLCB-8 DRYD CONCENTRATION (µg/L)99 AS-14 NCDEQ ID P:\Duke Energy Progress.1026\00 GIS BASE DATA\Asheville\Map_Docs\CSA_Supplement\CrossSection_B\Asheville_CROSS-SECTION B-B'_Sulfate.mxd # # # # # # # # # # # # 190 2034' MSL.*190 120 CB-4, B CB-3R MW-5D, BR GW-1D, BR ABMW-6BR AMW-1B ABMW-7, S, BR MW-21D APZ-30 AS-14 MW-3BR MW-3D D DD 120 100 69 5.2 1.4 120 250 140 D 1800 1800 2000 2000 2200 2200 1850 1850 1900 1900 1950 1950 2050 2050 2100 2100 2150 2150 2250 2250 Cross Section B-B' &< &<&<&< &<&<&<&<&< &<&< &<&<&<&< &< &< B' B LEGEND NOTES: VERTICAL EXAGGERATION SET AT 5:1. CONCENTRATIONS SHOWN REFLECT DATA GATHERED BETWEEN2/18/14 AND 7/12/16. SULFATE ISOCONCENTRATIONS DERIVED FROM FIGURES 1-45, 1-46, 1-47. THE NORTH CAROLINA 2L FOR SULFATE IS 250 mg/L. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINASTATE PLANE COORDINATE SYSTEM FIPS 3200 (NAD83/2011). B(SOUTH WEST)B'(NORTHEAST) " FRENCH BROADRIVERl I -2 6 LAKEJULIAN l l l l l l l l l l l l 350 0 350 700175 (IN FEET) GEOLOGIC DATA IS INFERRED FROMMONITORING WELL TO PRIVATE WELL AS-14 WASTE BOUNDARY COMPLIANCE BOUNDARY DUKE ENERGY ASHEVILLE PLANT BOUNDARY 2,160' msl. DRAWN BY: B. YOUNGCHECKED BY: T. PLATINGDATE DRAWN:8/25/2016 FIG URE 1-77CONCEPTUAL CROSS-SECTION B-B'SULFATE ISOCO NCENTRATIONSASHEVILLE STEAM ELECTRIC PLANTARDEN, NO RTH CAROLINA * WATER LEVELS AT AS-14 WERE MEASURED ON5/11/16. THESE WATER LEVELS REPRESENT ACOMPOSITE OF HYDRAULIC HEADS FROM MULTIPLEFRACTURES WITHIN EACH WELL. STATIC CONDITIONSARE NOT ASSUMED AS PUMPING AT EACH WELL ISROUTINE. ASH REGOLITH SAPROLITE TRANSITION ZONE COMPETENT ROCK / BEDROCK SURFACE CASING WELL SCREEN GENERALIZED FRACTURE ZONE &<WELL - SELECTED FOR CROSS-SECTION CROSS-SECTION GENERALIZED WATER LEVEL - SURFICIAL GENERALIZED GROUNDWATERFLOW DIRECTION 99 CONTOUR INTERVAL (mg/L) GROUNDWATER CONCENTRATION AREA SURFICIAL WATER LEVEL TRANSITION WATER LEVEL BEDROCK WATER LEVEL = = = WATER LEVEL ELEVATION2000 MSL. B E A R L E A H T R A I L MONITORING WELLCB-8 CONCENTRATION (mg/L)99 DRYD AS-14 NCDEQ ID CONSTITUENT CONCENTRATIONS WEST OFFRENCH BROAD RIVER CANNOT BE CONTOUREDDUE TO OPEN BOREHOLE WELL CONSTRUCTION. P:\Duke Energy Progress.1026\00 GIS BASE D ATA\Asheville\Map_D ocs\CSA_Supplement\C rossSection_B\Asheville_CR OSS-SECTION B-B'_TD S.mxd # # # # # # # # # # # # 2034' MSL.* 310 240 200 CB-4, B CB-3R MW-5D, BR GW-1D, BR ABMW-6BR AMW-1B ABMW-7, S, BR MW-21D APZ-30 AS-14 MW-3BR MW-3D D DD 250 120 280 110 32 230 510 370 D 1800 1800 2000 2000 2200 2200 1850 1850 1900 1900 1950 1950 2050 2050 2100 2100 2150 2150 2250 2250 Cross Section B-B' &< &<&<&< &<&<&<&<&< &<&< &<&<&<&< &< &< B' B LEGEND NOTES: VERTICAL EXAGGERATION SET AT 5:1. CONCENTRATIONS SHOWN REFLECT DATA GATHERED BETWEEN2/18/14 AND 7/12/16. TOTAL DISSOLVED SOLIDS ISOCONCENTRATIONS DERIVED FROMFIGURES 1-48, 1-49, 1-50. THE NORTH CAROLINA 2L FOR TOTAL DISSOLVED SOLIDS IS 500 mg/L. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINASTATE PLANE COORDINATE SYSTEM FIPS 3200 (NAD83/2011). B(SOUTH WEST)B'(NORTHEAST) " FRENCH BROADRIVERl I -2 6 LAKEJULIAN l l l l l l l l l l l l 350 0 350 700175 (IN FEET) GEOLOGIC DATA IS INFERRED FROMMONITORING WELL TO PRIVATE WELL AS-14 WASTE BOUNDARY COMPLIANCE BOUNDARY DUKE ENERGY ASHEVILLE PLANT BOUNDARY 2,160' msl. DRAWN BY: B. YOUNGCHECKED BY: T. PLATINGDATE DRAWN:8/25/2016 FIG URE 1-78CONCEPTUAL CROSS-SECTION B-B'TO TAL DISSOLVED SOLIDS ISOCONCENTRATIONSASHEVILLE STEAM ELECTRIC PLANTARDEN, NO RTH CAROLINA B E A R L E A H T R A I L * WATER LEVELS AT AS-14 WERE MEASURED ON5/11/16. THESE WATER LEVELS REPRESENT ACOMPOSITE OF HYDRAULIC HEADS FROM MULTIPLEFRACTURES WITHIN EACH WELL. STATIC CONDITIONSARE NOT ASSUMED AS PUMPING AT EACH WELL ISROUTINE. ASH REGOLITH SAPROLITE TRANSITION ZONE COMPETENT ROCK / BEDROCK SURFACE CASING WELL SCREEN GENERALIZED FRACTURE ZONE &<WELL - SELECTED FOR CROSS-SECTION CROSS-SECTION GENERALIZED WATER LEVEL - SURFICIAL GENERALIZED GROUNDWATERFLOW DIRECTION MONITORING WELLCB-8 99 CONTOUR INTERVAL (mg/L) CONCENTRATION (mg/L)99 DRYD GROUNDWATER CONCENTRATION AREA SURFICIAL WATER LEVEL TRANSITION WATER LEVEL BEDROCK WATER LEVEL = = = WATER LEVEL ELEVATION2000 MSL. CONSTITUENT CONCENTRATIONS WEST OFFRENCH BROAD RIVER CANNOT BE CONTOUREDDUE TO OPEN BOREHOLE WELL CONSTRUCTION. AS-14 NCDEQ ID P:\Duke Energy Progress.1026\00 GIS BASE D ATA\Asheville\Map_D ocs\CSA_Supplement\C rossSection_B\Asheville_CR OSS-SECTION B-B'_Vanadium.mxd # # # # # # # # # # # # MW-3BR MW-3D 2034' MSL.* CB-4, B CB-3R MW-5D, BR GW-1D, BR ABMW-6BR AMW-1B ABMW-7, S, BR MW-21D APZ-30 AS-14 D <0.3 DD <0.3 D<0.3 <0.3 0.317 0.339 <0.3 <0.3 <0.3 <0.3 0.428 <0.3 0.3 1800 1800 2000 2000 2200 2200 1850 1850 1900 1900 1950 1950 2050 2050 2100 2100 2150 2150 2250 2250 Cross Section B-B' &< &<&<&< &<&<&<&<&< &<&< &<&<&<&< &< &< B' B LEGEND NOTES: VERTICAL EXAGGERATION SET AT 5:1. CONCENTRATIONS SHOWN REFLECT DATA GATHERED BETWEEN 2/18/14AND 7/12/16. VANADIUM ISOCONCENTRATIONS DERIVED FROM FIGURES 1-51, 1-52, 1-53. THE INTERIM MAXIMUM ALLOWABLE CONCENTRATION (IMAC) FORVANADIUM IS 0.3 μg/L. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINASTATE PLANE COORDINATE SYSTEM FIPS 3200 (NAD83/2011). B(SOUTH WEST)B'(NORTHEAST) " FRENCH BROADRIVERl I -2 6 LAKEJULIAN l l l l l l l l l l l l 350 0 350 700175 (IN FEET) GEOLOGIC DATA IS INFERRED FROMMONITORING WELL TO PRIVATE WELL AS-14 WASTE BOUNDARY COMPLIANCE BOUNDARY DUKE ENERGY ASHEVILLE PLANT BOUNDARY 2,160' msl. DRAWN BY: B. YOUNGCHECKED BY: T. PLATINGDATE DRAWN:8/25/2016 FIG URE 1-79CONCEPTUAL CROSS-SECTION B-B'VANADIUM ISOCONCENTRATIONSASHEVILLE STEAM ELECTRIC PLANTARDEN, NO RTH CAROLINA B E A R L E A H T R A I L * WATER LEVELS AT AS-14 WERE MEASURED ON5/11/16. THESE WATER LEVELS REPRESENT ACOMPOSITE OF HYDRAULIC HEADS FROM MULTIPLEFRACTURES WITHIN EACH WELL. STATIC CONDITIONSARE NOT ASSUMED AS PUMPING AT EACH WELL ISROUTINE. ASH REGOLITH SAPROLITE TRANSITION ZONE COMPETENT ROCK / BEDROCK SURFACE CASING WELL SCREEN GENERALIZED FRACTURE ZONE &<WELL - SELECTED FOR CROSS-SECTION CROSS-SECTION GENERALIZED WATER LEVEL - SURFICIAL 99 CONTOUR INTERVAL (µg/L) MONITORING WELLCB-8 CONCENTRATION (µg/L)99 DRYD GROUNDWATER CONCENTRATION AREA SURFICIAL WATER LEVEL TRANSITION WATER LEVEL BEDROCK WATER LEVEL = = = GENERALIZED GROUNDWATERFLOW DIRECTION WATER LEVEL ELEVATION2000 MSL. AS-14 NCDEQ ID 2152.08 2,140.75 2,112.39 2,103.69 2,090 2,100 2,110 2,120 2,130 2,140 2,150 2,160 2,170 2,180 11 / 1 7 / 1 0 4/ 1 2 / 1 1 7/ 1 9 / 1 1 11 / 9 / 1 1 4/ 1 0 / 2 0 1 2 7/ 1 6 / 2 0 1 2 11 / 1 5 / 2 0 1 2 4/ 3 / 2 0 1 3 7/ 1 / 2 0 1 3 11 / 5 / 2 0 1 3 4/ 1 6 / 2 0 1 4 7/ 9 / 2 0 1 4 11 / 3 / 2 0 1 4 4/ 7 / 2 0 1 5 7/ 6 / 2 0 1 5 11 / 3 / 2 0 1 5 12 / 0 8 / 2 0 1 5 01 / 2 0 / 2 0 1 6 04 / 0 7 / 2 0 1 6 04 / 2 8 / 2 0 1 6 5/ 1 9 / 2 0 1 6 7/ 1 / 2 0 1 6 Fe e t M e a n S e a L e v e l ( m s l ) CB-01 CB-02 CB-3R GW-01 CB-8 CB-2 -11.33 feet decrease in water level elevation CB-1 and GW-1 are not influenced by basin dewatering. De w a t e r i n g of 1 9 8 2 b a s i n b e g a n i n 2 0 1 2 CB-3R -8.7 feet decrease in water level elevation CB-8 -Not influenced by 1982 basin dewatering Cove excavation early 2016 FIGURE 1-80 WATER ELEVATIONS TIME SERIES PLOT COMPLIANCE BOUNDARY WELLS ASHEVILLE STEAM ELECTRIC PLANT 200 CP&L DRIVE ARDEN, NORTH CAROLINA 28704 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com DRAWN BY: B. WILKER PROJECT MANAGER: T. PLATING LAYOUT: DATE: JULY 2016 P:\Duke Energy Progress.1026\102. Asheville Ash Basin GW Assessment Plan\19.EG_CSASUP\FINAL Asheville CSA Supp 1\Figures FIGURE 1-81 PIPER DIAGRAM ̶ SURFICIAL ZONE ASHEVILLE STEAM ELECTRIC PLANT 200 CP&L DRIVE ARDEN, NORTH CAROLINA 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com DRAWN BY: T. PLATING PROJECT MANAGER: T. PLATING LAYOUT: DATE: JULY 2016 FILEPATH: P:\Duke Energy Progress.1026\102. Asheville Ash Basin GW Assessment Plan\ 19.EG_CSASUP\Statistics\Piper Diagrams Well ID % Difference ABMW-02S 27.6 CB-01 17.6 CB-04 7.4 CB-09 18.1 CB-09SL 8.12 GW -01 20.6 GW -03 9.91 MW -08S 0.396 MW -09S 3.37 MW -24S 9.37 CB-05 12.9 CB-06 9.30 CB-07 6.23 MW -10 7.98 MW -11 3.12 MW -15A 3.82 MW -16A 6.2 MW -17A 4.57 MW -20A 12.7 Notes: Background 1982 Basin 1964 Basin Red text indicates ion charge balance percent difference greater than 10%. Data included for analysis from Round 4 sampling event (January 2016). FIGURE 1-82 PIPER DIAGRAM ̶ TRANSITION ZONE ASHEVILLE STEAM ELECTRIC PLANT 200 CP&L DRIVE ARDEN, NORTH CAROLINA 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com DRAWN BY: T. PLATING PROJECT MANAGER: T. PLATING LAYOUT: DATE: JULY 2016 FILEPATH: P:\Duke Energy Progress.1026\102. Asheville Ash Basin GW Assessment Plan\ 19.EG_CSASUP\Statistics\Piper Diagrams Well ID % Difference ABMW -04D 9.46 AMW -02A 16.9 CB-01D 6.40 CB-08 1.01 GW -01D 11.4 MW -01D 13.1 MW -03D 5.8 MW -05D 16.3 MW -09D 2.18 MW -11D 2.73 MW -12D 16.3 MW -13D 6.75 MW -15D 7.51 MW -18D 8.43 MW -21D 3.38 MW -22D 0.408 MW -23DL 7.93 MW -23DU 2.38 Notes: Background 1982 Basin 1964 Basin Red text indicates ion charge balance percent difference greater than 10%. Data included for analysis from Round 4 sampling event (January 2016). FIGURE 1-83 PIPER DIAGRAM ̶ BEDROCK ZONE ASHEVILLE STEAM ELECTRIC PLANT 200 CP&L DRIVE ARDEN, NORTH CAROLINA 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.synterracorp.com DRAWN BY: T. PLATING PROJECT MANAGER: T. PLATING LAYOUT: DATE: JULY 2016 FILEPATH: P:\Duke Energy Progress.1026\102. Asheville Ash Basin GW Assessment Plan\ 19.EG_CSASUP\Statistics\Piper Diagrams Well ID % Difference AMW -01B 2.50 AMW -03B 11.6 CB-04B 1.47 CB-08BR 3.83 CB-09BR 8.41 GW -01BR 7.85 GW -02 0.549 MW-01BR 6.82 MW-05BR 13.1 MB-09BR 0.033 MW-13BR 9.80 MW-14BR 0.796 MW-16BR 30.7 MW-18BR 1.16 MW-22BR 10.6 PZ-17D 2.15 PZ-17S 7.41 AS-09 9.92 AS-11 2.10 AS-13 4.55 AS-14 3.02 AS-20 0.568 Notes: Background 1982 Basin 1964 Basin Private Water Supply Well Red text indicates ion charge balance percent difference greater than 10%. Data included for analysis from Round 4 sampling event (January 2016). FIG 3-1 (WATER PROD FRACS) TODD PLATING JOHN CHASTAIN PROJECT MANAGER: LAYOUT NAME: DRAWN BY: CHECKED BY: KATHY WEBB DATE: DATE: FIGURE 3-1 SUMMARY OF WATER PRODUCING FRACTURES 08 / 2 9 / 2 0 1 6 1 2 : 5 4 P M P: \ D u k e E n e r g y P r o g r e s s . 1 0 2 6 \ 1 0 2 . A s h e v i l l e A s h B a s i n G W A s s e s s m e n t P l a n \ 1 9 . E G _ C S A S U P \ D W G \ D E A S H E V I L L E C S A S U P B A S E M A P . d w g 400 GRAPHIC SCALE (IN FEET) 0 200100200 www.synterracorp.com 148 River Street, Suite 220 Greenville, South Carolina 29601 864-421-9999 ASHEVILLE PLANT 200 CP & L DRIVE ARDEN, NORTH CAROLINA AS15 AS17 CB-6 CB-4 CB-4B CB-3R CB-3 CB-5 GW-4 GW-5 P-100 P-101 P-102 PZ-16PZ-17D PZ-17S PZ-19 PZ-22 AMW-1B AMW-2AAMW-2AAMW-2AAMW-2A AMW-2AAMW-2AAMW-2AAMW-2B APZ-30 MW-3BR MW-3D PRW-10 SW-100 SW-101 SW-102 PRW-6 PRW-5 DW-35 DW-24 DW-10 DW-23 DW-16 DW-2 DW-17 DW-1 AS8 AS7 AS10 AS11 SW-103 GW-3 APD-1 MW-7BR C-02 MW-17A C-01 D-01 MH-17 PW-F MW-6BR MW-6D MW-6S AS6 CB-2 P-103 MW-5BR MW-5D AS5 AS1/DW-9 MW-23BR MW-23DLMW-23DU MW-21D MW-22D MW-22BR DW-7 AS3 MW-19BR MW-20A MA G N E T I C UT M ST A T E PL A N E AS13 CB-7 MW-18BRMW-18D MW-18BRL AS20 AS14 DW-6 AS9 WATER SUPPLY WELL NOT SAMPLED BY NCDEQ WATER SUPPLY WELL SAMPLED BY NCDEQ CONSTITUENT CONCENTRATIONS BELOW NC2L STANDARDS WATER SUPPLY WELL SAMPLED BY NCDEQ CONSTITUENT CONCENTRATIONS ABOVE NC2L STANDARDSAS-17 AS15 DW-23 N S E W RED SHADING INDICATES THE ORIENTATION OF FRACTURES *5283(',172ƒ,1&5(0(176 AND LENGTH REPRESENT THE PERCANTAGE OF TOTAL OBSERVED FRACTURES. FRACTURE DATA COLLECTED USING MAGNETIC NORTH. DATA ADJUST TO REFLECT ORIENTATION OF THE FIGURE WHICH IS BASED ON NORTH CAROLINA STATE PLANE (1983) ROSE DIAGRAM OF DOMINATE WATER PRODUCING FRACTURES SW-104 GLENN B R I D G E R D B E A R L E A H T R WOO D G L E N C T W I N D I N G O A K D R N E W R O C K W O O D R D FOXBERR Y D R NEW R O C K W O O D R D ABER D E E N D R DOUGLA S F I R D R SPRING HILL C I R S P R I N G H I L L D R JUS T I N T R L S U M N E R D R GL E N N B R I D G E R D S E HOYT RD BRITTA N P A R K D R LE D B E T T E R R D PZ-23 MW-2BR ABMW-4 ABMW-4D ABMW-4BR ABMW-8 ABMW-7 ABMW-7S ABMW-7BR ABMW-5BR ABMW-5D ABMW-5S ABMW-6BR ƒ   ƒ ƒ ƒ EACH CIRCLE REPRESENTS 10% OF THE TOTAL NUMBER OF FRACTURES OBSERVED IN THE WELL 40 % 30 % 20 % 10 % DIP ANGLE STRIKE AZIMUTH   ƒ ƒ AS4 ƒ   ƒ DUKE ENERGY PROGRESS PARCEL LINE LEGEND COMPLIANCE MONITORING WELL (SURVEYED) PIEZOMETER (SURVEYED) CSA MONITORING WELL (SURVEYED) MONITORING WELL (SURVEYED) BACKGROUND COMPLIANCE MONITORING WELL (SURVEYED)CB-1 CB-8 CB-8D GW-4 P-101 DW-6 ABANDONED WELL CCR SURFACE IMPOUNDMENT CCR SURFACE IMPOUNDMENT COMPLIANCE BOUNDARY STORM WATER DITCH APPROXIMATE STREAM APPROXIMATE 08/08/2016 08/08/2016 PZ-27 PZ-21 ABMW-11BR AS11 NO SIGNIFICANT WATER PRODUCING FRACTURES IDENTIFIED IN DW7. SOURCES: 2.) DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANE COORDINATE SYSTEM FIPS 3200 (NAD 83). 3.) PARCEL BOUNDARY WAS OBTAINED FROM BUNCOMBE COUNTY GIS DATA. 4.) COMPLIANCE MONITORING WELL LOCATIONS AND WASTE BOUNDARY FROM FCA OF NC, SURVEY DATED MARCH 2009. COMPLIANCE WELLS CB-3R, CB-9 AND SG-1 SURVEYED BY FCA OF NC, SURVEY DATED 2012-11-28. 5.) ADDITIONAL MONITORING WELL AND PIEZOMETER LOCATIONS WERE BASED ON DATA PROVIDED BY PROGRESS ENERGY. 1.) MARCH 16, 2015 AERIAL PHOTOGRAPH OBTAINED FROM NC GEOSPATIAL PORTAL AT http://data.nconemap.gov/geoportal/catalog/main/home.page I N T E R S T A T E 2 6 T O A S H E V I L L E I N T E R S T A T E 2 6 T O H E N D E R S O N V I L L E F R E N C H B R O A D R I V E R F L O W SW-101 SURFACE WATER LOCATION (APPROXIMATE) 6.) SHEAR ZONE BASED ON 7.5 MINUTE QUADRANGLE GEOLOGIC MAP OF SKYLAND OBTAINED FROM THE NC DENR GIS IMAGE SERVER AT http://gis.enr.state.nc.us/sid/ SHEAR ZONE 1964 ASH BASIN 1982 ASH BASIN MW-17A MW-7BR MW-18D MW-18BR MW-19BR MW-8BR MW-8S MW-9BR MW-9D MW-9S MW-16A MW-16BR CB-8D CB-8BR MW-13D MW-13BR PZ-19 2079.11 PZ-16PZ-17D PZ-17S GW-3 APD-1 GW-2 B-2 CB-8 B-1 B-1-A CB-7 1964 BASIN SEEP COLLECTION SYSTEM (PLANNED DISCHARGE POINT FOR PUMP TEST) EXT-2 EXT-1 MW-18BRL MW-14BR FIGURE 5-1 AQUIFER TEST - SITE LAYOUT ASHEVILLE STEAM ELECTRIC PLANT ARDEN, NORTH CAROLINA DUKE ENERGY PROGRESS LEGEND MAP SOURCES: 1. OCTOBER 2015 AERIAL PHOTOGRAPH OBTAINED FROM GOOGLE EARTH AThttp://earth.google.com 2. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANE COORDINATE SYSTEM FIPS 3200 (NAD 83, NAVD88). 3. PARCEL BOUNDARY WAS OBTAINED FROM BUNCOMBE COUNTY GIS DATA AT http://gis.buncombecounty.org/buncomap/Map_All.html PUMPING WELL WASTE BOUNDARY COMPLIANCE BOUNDARY TOPO 148 RIVER STREET, SUITE 220 GREENVILLE, SOUTH CAROLINA 29601 PHONE 864-421-9999 www.fletchergroup.com PROJECT MANAGER: TODD PLATING LAYOUT: DRAWN BY:DATE:ANTWAN ROBINSON AQUIFER TEST-SITE LAYOUT 8/2/2016 08/25/2016 8:33 PM P:\Duke Energy Progress.1026\102. Asheville Ash Basin GW Assessment Plan\19.EG_CSASUP\DWG\DE ASHEVILLE CSASUP AQUIFER TEST.dwg 100 0 100 200 GRAPHIC SCALE IN FEET OBSERVATION WELL (MONITORED BY LEVELOGGER) MONITORING WELL OR PIEZOMETER (MANUALLY GAUGED)