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Home My WebLink AboutNC0001422_Table 12-3 Sutton Surficial Aquifer Background VTV_20150805TABLE 12-3 RISK SCREENING TABLE: SURFICIAL AQUIFER BACKGROUND GROUNDWATER DATAL.V. SUTTON ENERGY COMPLEX DUKE ENERGY PROGRESS, INC., WILMINGTON, NC Aluminum Aluminum Antimony Antimony Arsenic Arsenic Barium Barium Beryllium Beryllium Boron Boron Cadmium Cadmium Calcium Chromium Chromium Cobalt Cobalt Copper Copper DIS TOT DIS TOT DIS TOT DIS TOT DIS TOT DIS TOT DIS TOT TOT DIS TOT DIS TOT DIS TOT S.U.ft Deg C umhos/cm mg/l mV mV NTU mg/l mg/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l mg/l ug/l ug/l ug/l ug/l mg/l mg/l mg/l ug/l ug/l ug/l ug/l mg/l mg/l 6.5-8.5 NE NE NE NE NE NE NE NE NE NE NE NE 1*NE 10 NE 700 NE 4*NE NE 700 NE 2 NE NE 250 NE 10 NE 1*NE 1 Sample ID Sample Collection Date MW-04B 03/11/2015 7.0 8.46 18 368 0.2 -86 119.1 5.3 NA NA NA NA NA <1 NA <1 NA 80 NA NA NA NA <50 NA <1 NA NA 12 NA <5 NA NA NA <0.005 MW-04B 06/01/2015 6.8 8.79 22 385 0.6 -43 161.7 9.98 NM 134 NA 7 NA <1 NA <1 NA 68 NA <1 134 NA <50 NA <1 60.1 <5 13 NA <5 NA <1 NA <0.005 MW-05C 03/10/2015 5.6 3.69 18 131 0.31 212 417.2 1.07 NA NA NA NA NA <1 NA <1 NA 29 NA NA NA NA <50 NA <1 NA NA 18 NA <5 NA NA NA <0.005 MW-05C 06/01/2015 5.5 4 21 135 0.97 212 417 1.03 NA 12.3 NA 6 NA <1 NA <1 NA 27 NA <1 12.3 NA <50 NA <1 3.89 <5 21 NA <5 NA 1.62 NA <0.005 MW-05C DUP 03/10/2015 5.6 3.69 18 131 0.31 212 417.2 1.07 NA NA NA NA NA <1 NA <1 NA 28 NA NA NA NA <50 NA <1 NA NA 18 NA <5 NA NA NA <0.005 MW-37B 03/27/2015 4.5 15.56 18 36 5.63 149 354 3.68 0.5 <10 528 557 <1 <1 <1 <1 10 10 <1 <1 <10 <50 <50 <1 <1 0.634 <10 5 <1 <1 <1 <1 <0.001 <0.001 MW-37B 06/02/2015 4.3 15.7 21 32 7.31 338 542.6 2.09 0 <5 601 70 <1 <1 <1 3.08 8 39 <1 <1 <5 <50 <50 <1 <1 8.93 <5 3.8 <1 <5 <1 2.52 0.0108 <0.005 MW-37C 03/27/2015 5.8 15.56 17 129 0.38 -44 161.2 6.36 2.25 31 23 171 <1 <1 2.62 2.93 43 43 <1 <1 31.0 <50 <50 <1 <1 8.77 <10 4.2 <1 <1 2.72 2.99 <0.001 <0.001 MW-37C 06/02/2015 5.7 15.7 20 120 0.36 20 225 19 4.5 31.6 20 746 <1 <1 2.56 <1 39 8 <1 <1 31.6 <50 <50 <1 <1 0.517 <5 3.5 <1 <5 2.35 <1 <0.001 <0.005 ------------------------------4/6 6/6 0/4 0/9 2/4 2/3 4/4 9/9 4/6 0/6 4/6 0/4 0/4 0/4 0/9 6/6 0/6 9/9 0/4 0/9 2/4 3/6 1/4 0/9 ------------------------------293 260 ------2.59 3.01 25 37 ------52.2 ------------13.8068 ---10.9 ------2.54 2.38 0.0108 --- ------------------------------601 746 ------2.62 3.08 43 80 ------134 ------------60.1 ---21 ------2.72 2.99 0.0108 --- ------------------------------0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 0 0 pH WaterLevel Temp SpecCond DO ORP Eh Turbidity FerrousIron Alkalinity Aluminum (DIS)Aluminum (TOT)Antimony (DIS)Antimony (TOT)Arsenic (DIS)Arsenic (TOT) Barium (DIS)Barium (TOT)Beryllium (DIS) Beryllium (TOT) Bi- carbonateAlkalinity Boron (DIS) Boron (TOT)Cadmium (DIS)Cadmium (TOT) Calcium (TOT) CarbonateAlkalinity Chloride Chromium (DIS)Chromium (TOT)Cobalt (DIS)Cobalt (TOT)Copper (DIS)Copper (TOT) ------------------------------0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 4 0 0 ------------------------------0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Prepared by: VTV/SRW Checked by: RAG Coal Ash COPC No Yes No No No Yes No Yes No No No No Yes No No No No No No No No No No No Groundwater Standard No Yes Yes Yes Conc. > Groundwater Standard Yes2 No No Yes COPC Potentially attributable to coal ash No Yes No No No No No No No No No No Yes No No No No No No No No No No No Notes: - Bold highlighted concentration indicates exceedance of the 15A NCAC 02L Standard, Appendix 2, April 1, 2013. ORP = Oxidation Reduction Potential mV = millivolts Note 1: If analytical method detection limit or concentration exceeds soil RSL DIS = Dissolved NE = Not established Note 2: If no soil RSL TOT = Total NTU = nephelometric turbidity unit DUP = Duplicate Temp = Temperature S.U. = Standard Unit DO = Dissolved Oxygen ug/l = microgram per liter Deg C = Degree Celsius umhos/cm = micro mhos per centimeter mg/l = milligrams per liter Spec Cond = Specific Conductance mg-N/L = miligram nitrogen per liter ft = feet < = concentration not detected at or above the reporting limit. * - Interim Maximum Allowable Concentrations (IMACs) of the 15A NCAC 02L Standard, Appendix 1, April, 1, 2013. --- = Not applicable NA = Not analyzed Analytical Results ChlorideAlkalinityCarbonateAlkalinity Bi-carbonateAlkalinity Field Parameters pH WaterLevel Temp SpecCond DO ORP Eh Turbidity FerrousIron Conc. > Groundwater Criteria Detect. Limit > Groundwater Criteria Analytical Parameter Reporting Units 15A NCAC 02L Detections/Samples Average Surficial Aquifer Background Concentrations (Detections Only) Maximum Concentration Number of Surficial Aquifer Backgroundwater Samples that Exceed NCAC 2L Standard Groundwater Screening Constituents Su r f i c i a l A q u i f e r B a c k g r o u n d P:\Duke Energy Progress.1026\108. Sutton Ash Basin GW Assessment Plan\1.11 CSA Reporting\Tables\Report Tables\Table 12-3 Sutton Surficial Aquifer Background VTV Page 1 of 2 TABLE 12-3 RISK SCREENING TABLE: SURFICIAL AQUIFER BACKGROUND GROUNDWATER DATAL.V. SUTTON ENERGY COMPLEX DUKE ENERGY PROGRESS, INC., WILMINGTON, NC Iron Iron Lead Lead Magnesium Manganese Manganese Mercury Mercury Molybdenum Molybdenum Nickel Nickel Potassium Selenium Selenium Sodium Strontium Strontium Thallium Thallium Vanadium Vanadium Zinc Zinc DIS TOT DIS TOT TOT DIS TOT DIS TOT DIS TOT DIS TOT TOT DIS TOT TOT DIS TOT DIS TOT DIS TOT DIS TOT ug/l ug/l ug/l ug/l mg/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l mg-N/L mg/l ug/l ug/l mg/l mg/l mg/l mg/l mg/l ug/l ug/l mg/l mg/l mg/l ug/l ug/l mg/l mg/l NE 300 NE 15 NE NE 50 NE 1 NE NE NE NE 100 10 NE NE 20 NE NE NE 250 NE NE 0.2*500 NE NE NE 0.3*NE 1 Sample ID Sample Collection Date MW-04B 03/11/2015 NA 2940 NA <1 NA NA 81 NA <0.05 NA NA NA NA <5 NA NA NA <1 NA NA NA 9.3 NA NA <0.2 180 NA NA NA NA NA <0.005 MW-04B 06/01/2015 NA 1280 NA <1 2.16 NA 59 NA <0.05 NA NA <1 NA <5 0.05 2.36 NA <1 5.61 NA NA 10 NA NA <0.2 210 NA <5 NA NA NA <0.005 MW-05C 03/10/2015 NA 13 NA <1 NA NA 535 NA <0.05 NA NA NA NA <5 NA NA NA <1 NA NA NA 12 NA NA <0.2 57 NA NA NA NA NA <0.005 MW-05C 06/01/2015 NA <10 NA <1 2.21 NA 441 NA <0.05 NA NA <1 NA <5 0.03 1.18 NA <1 14.5 NA NA 14 NA NA <0.2 69 NA <5 NA NA NA <0.005 MW-05C DUP 03/10/2015 NA 12 NA <1 NA NA 516 NA <0.05 NA NA NA NA <5 NA NA NA <1 NA NA NA 12 NA NA <0.2 60 NA NA NA NA NA <0.005 MW-37B 03/27/2015 702 687 <1 <1 0.127 40 38 <0.05 <0.05 <10 <1 <1 <1 <1 0.102 0.263 <1 <1 3.08 0.006 0.006 4.6 <0.1 <0.2 <0.2 <25 0.663 <5 <0.3 <0.3 <0.005 <0.005 MW-37B 06/02/2015 22 9580 1.03 <1 1.83 8 254 <0.05 <0.05 <10 <1 <1 <1 <5 0.096 4.93 <1 <1 2.8 <0.005 <0.005 7.2 <0.1 <0.2 <0.2 <25 0.514 <11 <0.3 <0.3 0.012 0.015 MW-37C 03/27/2015 9320 9500 <1 <1 1.81 238 233 <0.05 <0.05 26 <1 <1 <1 <1 <0.01 4.98 <1 <1 3.16 0.02 0.02 10 <0.1 <0.2 <0.2 78 5.4 5 0.517 1.15 0.011 0.011 MW-37C 06/02/2015 8550 33 <1 <1 0.123 249 6 <0.05 <0.05 29 <1 <1 <1 <5 0.368 0.233 <1 <1 2.42 0.019 0.018 9.8 <0.1 <0.2 <0.2 81 5.6 <13 0.795 1.22 0.015 <0.005 5/6 8/9 1/6 0/9 6/6 4/4 9/9 0/4 0/9 2/4 0/4 0/6 0/4 0/9 5/6 6/6 0/4 0/9 6/6 3/4 3/4 3/4 0/4 0/4 0/9 7/9 4/4 1/6 2/4 2/4 3/4 2/9 4649 3006 1.03 ---1.38 133.75 240 ------27.5 ------------0.129 2.32 ------5.26 0.015 0.015 9.9 ---------105 3.0 5 0.656 1.19 0.0127 0.013 9320 9580 1.03 ---2.21 249 535 ------29 ------------0.368 4.98 ------14.5 0.02 0.02 14 ---------210 5.6 5 0.795 1.22 0.015 0.015 0 5 0 0 0 0 7 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 0 Iron (DIS)Iron (TOT)Lead (DIS)Lead (TOT)Magnesium (TOT)Manganese (DIS)Manganese (TOT) Mercury (CVAFS) (TOT) Mercury (TOT) Methane Molybdenum (DIS)Molybdenum (TOT)Nickel(DIS)Nickel (TOT)Nitrate(as N)Potassium (TOT) Selenium (DIS)Selenium (TOT) Sodium (TOT)Strontium (DIS)Strontium (TOT)Sulfate Sulfide Thallium (DIS)Thallium (TOT) Total DissolvedSolids Total OrganicCarbon Total SuspendedSolids Vanadium (DIS)Vanadium (TOT)Zinc (DIS)Zinc (TOT) 0 4 0 0 0 0 6 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Prepared by: VTV/SRW Checked by: RAG Prepared by: VTV/SRW Checked by: RAG Coal Ash COPC No Yes No No No No Yes No No No No No No No No No No No No No No No No No No Yes No No No Yes No No Groundwater Standard Yes Yes Yes Yes Conc. > Groundwater Standard Yes Yes No Yes COPC Potentially attributable to coal ash No Yes No No No No Yes No No No No No No No No No No No No No No No No No No No No No No Yes No No Notes: - Bold highlighted concentration indicates exceedance of the 15A NCAC 02L Standard, Appendix 2, April 1, 2013. ORP = Oxidation Reduction Potential mV = millivolts Note 1: If analytical method detection limit or concentration exceeds soil RSL DIS = Dissolved NE = Not established Note 2: If no soil RSL TOT = Total NTU = nephelometric turbidity unitDUP = Duplicate Temp = Temperature S.U. = Standard Unit DO = Dissolved Oxygen ug/l = microgram per liter Deg C = Degree Celsius umhos/cm = micro mhos per centimeter mg/l = milligrams per liter Spec Cond = Specific Conductance mg-N/L = miligram nitrogen per liter ft = feet < = concentration not detected at or above the reporting limit. * - Interim Maximum Allowable Concentrations (IMACs) of the 15A NCAC 02L Standard, Appendix 1, April, 1, 2013. --- = Not applicable NA = Not analyzed Detect. Limit > Groundwater Criteria Nitrate(as N) Analytical Results Analytical Parameter Reporting Units 15A NCAC 02L Su r f i c i a l A q u i f e r B a c k g r o u n d Detections/Samples Average Surficial Aquifer Background Concentrations (Detections Only) Maximum Concentration Number of Surficial Aquifer Backgroundwater Samples that Exceed NCAC 2L Standard Groundwater Screening Constiuents Conc. > Groundwater Criteria TotalOrganicCarbon TotalSuspendedSolids SulfideSulfateMethane TotalDissolvedSolids P:\Duke Energy Progress.1026\108. Sutton Ash Basin GW Assessment Plan\1.11 CSA Reporting\Tables\Report Tables\Table 12-3 Sutton Surficial Aquifer Background VTV Page 2 of 2 TABLEI2-3 RISK SCREENING TABLE: SURFICIAL AQUIFER BACKGROUND GROUNDWATER DATA L.V. SUTTON ENERGY COMPLEX DUKE ENERGY PROGRESS, INC., WILMINGTON, NC Water Spec Ferrous Aluminum Aluminum Antimony Antimony Arsenic Arsenic Barium Barium Beryllium Beryllium Bi Boron Boron Cadmium Cadmium Calcium Carbonate Chromium Chromium Cobalt Cobalt Copper Copper Analytical Parameter PH Level Temp Contl DO ORP Eh Turbid Iron Alkalinity carbonate Alkalinity Chloride Alkalinity DIS TOT DIS TOT DIS TOT DIS TOT DIS TOT DIS TOT DIS TOT TOT DIS TOT DIS TOT DIS TOT Reporting Units S.U. ft Deg C umh'os mg/I mV mV NTU mg/I mg/I ug/I ug/I ug/I ug/I ug/I ug/I ug/I ug/I ug/I ug/I mg/I ug/I ug/I ug/I ug/I mg/I mg/I mg/I ug/I ug/I ug/I ug/I mg/I mg/I ISANCACO2L 6.5-8.5 NE NE NE NE NE NE NE NE NE NE NE NE 1* NE 10 NE 700 NE 4* NE NE 700 NE 2 NE NE 250 NE 10 NE 1* NE 1 Sample Collection Field Parameters Analytical Results Sample ID Date MW-04B 03/11/2015 7.0 8.46 18 368 0.2 -86 119.1 5.3 NA NA NA NA NA <1 NA <1 NA 80 NA NA NA NA <50 NA <1 NA NA 12 NA <5 NA NA NA <0.005 MW-04B 06/01/2015 6.8 8.79 22 385 0.6 -43 161.7 9.98 NM 134 NA 7 NA <1 NA <1 NA 68 NA <1 134 NA <50 NA <1 60.1 <5 13 NA <5 NA <1 NA <0.005 MW-05C 03/10/2015 5.6 3.69 18 131 0.31 212 417.2 1.07 NA NA NA NA NA <1 NA <1 NA 29 NA NA NA NA <50 NA <1 NA NA 18 NA <5 NA NA NA <0.005 C 3 MW-05C 06/01/2015 5.5 4 21 135 0.97 212 417 1.03 NA 12.3 NA 6 NA <1 NA <1 NA 27 NA <1 12.3 NA <50 NA <1 3.89 <5 21 NA <5 NA 1.62 NA <0.005 MW-05C DUP 03/10/2015 5.6 3.69 18 131 0.31 212 417.2 1.07 NA NA NA NA NA <1 NA <1 NA 28 NA NA NA NA <50 NA <1 NA NA 18 NA <5 NA NA NA <0.005 Y U MW-37B 03/27/2015 4.5 15.56 18 36 5.63 149 354 3.68 0.5 <10 528 557 <1 <1 <1 <1 10 10 <1 <1 <10 <50 <50 <1 <1 0.634 <10 5 <1 <1 <1 <1 <0.001 <0.001 m L MW-37B 06/02/2015 4.3 15.7 21 32 7.31 338 542.6 2.09 0 <5 601 70 <1 <1 <1 3.08 8 39 <1 <1 <5 <50 <50 <1 <1 8.93 <5 3.8 <1 <5 <1 2.52 0.0108 <0.005 w MW-37C 03/27/2015 5.8 15.56 17 129 0.38 -44 161.2 6.36 2.25 31 23 171 <1 <1 2.62 2.93 43 43 <1 <1 31.0 <50 <50 <1 <1 8.77 <10 4.2 <1 <1 2.72 2.99..... <0.001 <0.001 3 QMW-37C 1 06/02/2015 5.7........ 15.7 20 120 0.36 20 225 19 4.5 31.6 20 746 <1 <1 2.56 <1 39 8 <1 <1 31.6 <50 <50 <1 <1 0.517 <5 3.5 <1 <5 2.35 <1 <0.001 <0.005 M Detections/Samples ___ ___ ___ ___ ___ --- ___ ___ ___ ___ 4/6 6/6 1 0/4 0/9 2/4 2/3 4/4 9/9 4/6 0/6 416 0/4 0/4 1 0/4 0/9 1 6/6 ',. 0/6 9/9 0/4 1 0/9 2/4 3/6 1 1/4 0/9 U LE Average Surficial Aquifer Background '.. Concentrations (Detections Only) ___ ___ ___ ___ ___ ___ ___ - 293 260 ___ ___ 2.59 3.01 25 37 ___ ___ 52.2 ___ ___, ___ ___ 13.8068,',. ___ 10.9 ___ ___ 2.54 2.38 O.Oi08 ___ Maximum Concentration '.. ___ ___ __ ___ ___ ___ ___ ___ -__ _-_ 601 746 --- --- 2.62 3.08 43 80 ___ ___ 134 ___ ___ ___ ___ 60.1 ___ 21 ___ ___ 2.72 2.99 .0108 --- Number of Surficiat Aquifer Backgroundwater Samples that ___ ___ ___ ___ ___ ___ ___ ___ ___ __ 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 "3 0, 0 Exceed NCAC 2L Standard Bi Groundwater Screening Constituents PH Water Temp Spec DO ORP Eh Turbid ity Ferrous Alkalinity Aluminum Aluminum Antimony Antimony Arsenic Arsenic Barium Barium Beryllium Beryllium carbonate Boron Boron Cadmium CadmiumCarbonate Chloride Chromium Chromium Cobalt Cobalt Copper Copper Level Contl Iron (DIS) (TOT) (DIS) (TOT) (DIS) (TOT) (DIS) (TOT) (DIS) (TOT) Alkalinity (DIS) (TOT) (DIS) Alkalinity (DIS) (TOT) (DIS) (TOT) (DIS) (TOT) Conc. > Groundwater Criteria --- --- --- --- --- --- --- --- --- --- 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0000 4Detect. Limit > Grountlwater Criteria --- --- ---------------00 0 0 0 0 0 0 0 0 OLEO 00 0 0 0 0 0 0 0 0 0 Coal Ash COPC Groundwater Standard Conc. > Groundwater Standard COPC Potentially attributable to coal ash by: V N SRW Checked by: RAG Notes: 0 - Bold highlighted concentration indicates exceedance of the 15A NCAC 02L Standard, Appendix 2, April 1, 2013. ORP = Oxidation Reduction Potential mV = millivolts Note 1: If analytical method detection limit or concentration exceeds soil RSL DIS = Dissolved NE = Not established Note 2: If no soil RSL TOT = Total NTU = nephelometric turbidity unit DUP = Duplicate Temp = Temperature S.U. = Standard Unit DO = Dissolved Oxygen ug/I = microgram per liter Deg C = Degree Celsius umhos/cm = micro mhos per centimeter mg/I = milligrams per liter Spec Cord = Specific Conductance mg-N/L = miligram nitrogen per liter ft = feet < = concentration not detected at or above the reporting limit. * - Interim Maximum Allowable Concentrations (IMACs) of the 15A NCAC 02L Standard, Appendix 1, April, 1, 2013. --- = Not applicable NA = Not analyzed P:\Duke Energy Progress.1026\108. Sutton Ash Basin GW Assessment Plan\5.11 CSA Reporting\Tables\Report Tables\Table 12-3 Sutton Surficial Aquifer Background V-V Page 1 of 2 TABLE 12-3 RISK SCREENING TABLE: SURFICIAL AQUIFER BACKGROUND GROUNDWATER DATA L.V. SUTTON ENERGY COMPLEX DUKE ENERGY PROGRESS, INC., WILMINGTON, NC Iron Iron Lead Lead Magnesium Manganese Manganese Mercury Mercury Molybdenum Molybdenum Nickel Nickel Nitrate Potassium Selenium Selenium Sodium Strontium Strontium Thallium Thallium Total Total Total Vanadium Vanadium Zinc Zinc Analytical Parameter Methane (as N) Sulfate Sulfide Dissolved Solids Organic Carbon Suspended Solids DIS TOT DIS TOT TOT DIS TOT DIS TOT DIS TOT DIS TOT TOT DIS TOT TOT DIS TOT DIS TOT DIS TOT DIS TOT Reporting Units ug/I ug/I ug/I ug/I mg/I ug/I ug/I ug/I ug/I ug/I ug/I ug/I ug/I ug/I m -N/L g m g /I ug/I ug/I mg/I mg/I mg/I mg/I mg/I ug/I ug/I mg/I mg/I mg/I ug/I ug/I mg/I mg/I i5A NCAC 02L NE 300 NE 15 NE NE 50 NE 1 NE NE NE NE 100 10 NE NE 20 NE NE NE 250 NE NE 0.2* Soo NE NE NE 0.3* NE 1 Analytical Results Sample ID Sample Collection Date MW-04B 03/11/2015 NA 2940.. NA <1 NA NA 81 NA <0.05 NA NA NA NA <5 NA NA NA <1 NA NA NA 9.3 NA NA <0.2 180 NA NA NA NA NA <0.005 MW-04B 06/01/2015 NA 1280 NA <1 2.16 NA 59 NA <0.05 NA NA <1 NA <5 0.05 2.36 NA <1 5.61 NA NA 10 NA NA <0.2 210 NA <5 NA NA NA <0.005 MW-05C 03/10/2015 NA 13 NA <1 NA NA 535 NA <0.05 NA NA NA NA <5 NA NA NA <1 NA NA NA 12 NA NA <0.2 57 NA NA NA NA NA <0.005 C 3 MW-05C 06/01/2015 NA <10 NA <1 2.21 NA 441........ NA <0.05 NA NA <1 NA <5 0.03 1.18 NA <1 14.5 NA NA 14 NA NA <0.2 69 NA <5 NA NA NA <0.005 MW-05C DUP 03/10/2015 NA 12 NA <1 NA NA 516 NA <0.05 NA NA NA NA <5 NA NA NA <1 NA NA NA 12 NA NA <0.2 60 NA NA NA NA NA <0.005 Y U MW-37B 03/27/2015 702 687 <1 <1 0.127 40 38 <0.05 <0.05 <10 <1 <1 <1 <1 0.102 0.263 <1 <1 3.08 0.006 0.006 4.6 <0.1 <0.2 <0.2 <25 0.663 <5 <0.3 <0.3 <0.005 <0.005 02 L MW-37B 06/02/2015 22 9580 1.03 <1 1.83 8 254 <0.05 <0.05 <10 <1 <1 <1 <5 0.096 4.93 <1 <1 2.8 <0.005 <0.005 7.2 <0.1 <0.2 <0.2 <25 0.514 <11 <0.3 <0.3 0.012 0.015 w MW-37C 03/27/2015 9320 9500.. <1 <1 1.81 238 233 <0.05 <0.05 26 <1 <1 <1 <1 <0.01 4.98 <1 <1 3.16 0.02 0.02 10 <0.1 <0.2 <0.2 78 5.4 5 0.517 1.15 0.011 0.011 3 QMW-37C 06/02/2015 8550 33 <1 <1 0.123 249 6 <0.05 <0.05 29 <1 <1 <1 <5 0.368 0.233 <1 <1 2.42 0.019 0.018 9.8 <0.1 <0.2 <0.2 81 5.6 <13 0.795 1.22 0.015 <0.005 M Detections/Samples 516 8/9, 116 019 6/6 414 9/9 014 0/9 214 0/4 0/6 014 019 5/6 616 0/4 0/9 6/6 314 3/4 314 0/4 014 0/9 719 4/4 1/6 2/4 214 3/4 2/9 U LE Average Surficial Aquifer Background 3 Concentrations (Detections Only) 4649 3006'. 1.03 ___ 1.38 133.75 240 ___ ___ 27.5 ___ ___ ___ ___ 0.129'. 2.32 ___ ___ 5.26 0.Oi5 0.015 9.9 ___ ___ ___ i05 3.0 5'. 0.656 1A9 0.0127 0.013 tn Maximum Concentration 9320 9580 1.03 --- 2.21 249: 535 -.-- --- 29'. --- --- --- --- 0,368 4.98 --- --- 14.5 0.02 0.02 14 --- --- --- 210 5.6 5 0.795 1.22 0.015 0.015 '.. Number of Surficiat Aquifer Sackgroundwater Samples that Exceed 0 5 O O 0 O 7 0 0 O 0 0 O U 0 0 0 0 0 0 0 O 0 0 0 0 0 0,. 0 ' 2 0 0 NCAC 2L Standard Iron Iron Lead Lead Magnesium Manganese Manganese Mercury Mercury Molybdenum Molybdenum Nickel Nickel Nitrate Potassium Selenium Selenium Sodium Strontium Strontium Thallium Thallium Tota I Total Vanadium Vanadium Zinc Zinc Groundwater Screening Constiuents (DIS) (TOT) (DIS) (TOT) (TOT) (DIS) (TOT) ) (CVAF(TOT) Methane (DIS) (TOT) (DIS) (TOT) (as N) (TOT) (DIS) (TOT) (TOT) (DIS) (TOT) Sulfate Sulfide (DIS) (TOT) DTotalletl ic Suspended (DIS) (TOT) (DIS) (TOT) (TOT) Solids Carbon Solids Conc. > Groundwater Criteria 0 4 0 0 0 0 6 0 00 00 0 00 0 0 0 0 00 0000 0 2 0 Detect. Limit > Grountlwater Criteria 0 0 0 0 0 0 0 0 LoLo 0 0 0 0 0 0 0 0 0 0 0 0 0 0 :: 0 0 0 0 0 0 0 0 Coal Ash COPC Groundwater Standard Conc. > Groundwater Standard COPC Potentially attributable to coal ash Prepared by: V-VSRW Checked by: RAG ° Notes: 0 - Bold highlighted concentration indicates exceedance of the 15A NCAC 02L Standard, Appendix 2, April 1, 2013. ORP = Oxidation Reduction Potential mV = millivolts Note 1: If analytical method detection limit or concentration exceeds soil RSL DIS = Dissolved NE = Not established Note 2: If no soil RSL TOT = Total NTU = nephelometric turbidity unit DUP = Duplicate Temp = Temperature S.U. = Standard Unit DO = Dissolved Oxygen ug/I = microgram per liter Deg C = Degree Celsius umhos/cm = micro mhos per centimeter mg/I = milligrams per liter Spec Cond = Specific Conductance mg-N/L = miligram nitrogen per liter ft = feet < = concentration not detected at or above the reporting limit. * - Interim Maximum Allowable Concentrations (IMACs) of the 15A NCAC 02L Standard, Appendix 1, April, 1, 2013. --- = Not applicable NA = Not analyzed P:\Duke Energy Progress.1026\108. Sutton Ash Basin GW Assessment Plan\5.11 CSA Reporting\Tables\Report Tables\Table 12-3 Sutton Surficial Aquifer Background V-V Page 2 of 2