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Home My WebLink AboutNC0000396_Asheville CAP Tables_20151120Corrective Action Plan Part 1 November 2015 Asheville Steam Electric Plant LIST OF TABLES SynTerra Section 2 Extent of 21, and 2B Exceedances Table 2-1 Soil Provisional Background Concentration Summary Table 2-2 Background Well Analytical Results Table 2-3 SSI Analyte Summary Table 2-4 Surficial Groundwater Provisional Background Concentration Summary Table 2-5 Transition Zone Provisional Background Concentration Summary Table 2-6 Bedrock Provisional Background Concentration Summary Table 2-7 Duke Energy Private Background Well Summary Table 2-8 Surface Water Provisional Background Concentration Summary Table 2-9 Sediment Provisional Background Concentration Summary Table 2-10 Hexavalent Chromium Analytical Results Table 2-11 Soil Exceedances Table 2-12 Alluvial Groundwater Exceedances Table 2-13 Saprolite Groundwater Exceedances Table 2-14 Transition Zone Groundwater Exceedances Table 2-15 Bedrock Groundwater Exceedances Table 2-16 Surface Water Exceedances Table 2-17 Sediment Exceedances Section 3 Site Conceptual Model Table 3-1 Local Groundwater Gradients and Flow Velocities Table 3-2 Potential Vertical Gradients Between Hydrostratigraphic Units Table 3-3 0.1 Micron Analytical Data Summary Section 4 Modeling Table 4-1 Summary of Kd Values from Batch and Column Studies P: \Duke Energy Progress.1026\ 102. Asheville Ash Basin GW Assessment Plan\ 16.Corrective Action Plan\ Text\Final Asheville CAP.docx TABLE 2-1 SOIL PROVISIONAL BACKGROUND CONCENTRATION SUMMARY ASHEVILLE STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC, ARDEN, NC Analytical Parameter Soil PSRG - Residential Health Soil PSRG - Industrial Health Soil PSRG - Protection of Groundwater Background Concentration Range Provisional Background Concentration** Reporting Units mg/kg mg/kg mg/kg mg/kg mg/kg Aluminum 15000 100000 NE 10000 - 45500 45500 Antimony 6.2 94 0.9 ND ND Arsenic 0.67 3 5.8 2.3j - 4.8 4.8 Barium 3000 44000 580 21.1 - 347 347 Beryllium 32 460 63 0.6 - 4.4 4.4 Boron 3200 46000 45 36.6 - 54.9 54.9 Cobalt 4.6 70 0.9 15.4 - 83.4 83.4 Copper 620 9400 700 13.5 - 60.9 60.9 Iron 11000 100000 150 21900-60000 60000 Lead 400 800 270 2.8 - 37.5 37.5 Manganese 360 5200 65 189-1010 1010 Mercury 1.9 8 1 0.03 - 0.06 0.06 Selenium 78 1200 2.1 3.3 - 7 7 Strontium 9400 100000 NE 1.9j - 6.8 6.8 Thallium 0.16 2.4 0.28 1.8j 1.80 Vanadium 78 1200 6 17.5 - 112 112 Notes: Prepared by: TDP Checked by: MD KDB F] = Indicates comparative value for risk assessment and corrective action evaluation Soil PSRG = Inactive Hazardous Sites Branch Preliminary Soil Remediation Goals (PSRGs) September 2015 NE = Not Established ND = Not Detected j = The reported value was above the method detection limit, but below the reporting limit. "Estimated" Value mg/kg = milligrams per kilogram A single value in the range column indicates only one detected concentration "Provisional background concentration is equal to the maximum background concentration P:\Duke Energy Progress.1026\102. Asheville Ash Basin GW Assessment Plan\16.Corrective Action Plan\Tables\Tables 2-1_2-4_2-5_2-6_2-8_2- 9 InText 102815.xlsx Page 1 of 1 TABLE 2-2 BACKGROUND WELL ANALYTICAL RESULTS ASHEVILLE STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC, ARDEN, NC Analytical Parameter pH Redox Assignment Water Level Temp Spec Cond DO ORP Eh Turbidity Ferrous Iron Antimony Antimony Arsenic Arsenic Arsenic BariumLNIEi Beryllium Beryllium Boron Boron Boron Cadmium Cadmium Cadmium Chloride Chromium Chromium Chromium Cobalt Cobalt Cobalt Copper Copper Copper Iron Iron Iron DIS (O.1u) TOT DIS DIS (0.1u) TOT DISDIS (0.1u) TOT DIS DIS (0.1u) TOT DIS DIS (O.1u) TOT DIS DIS (0.1u) TOT DIS DIS (0.1u) TOT DIS DIS (0.1u) TOT DIS DIS (0.1u) TOT Reporting Units S.U. Unknown It Deg C umhos/cm mg/I mV mV NTUS mg/1 ug/I u9/I u9/I ug/I ug/I ug/I ug/I ug/I ug/I ug/I ug/I ug/I ug/1 ug/I mg/I ug/I ug/I ug/I ug/1 ug/I ug/I ug/I ug/1 u9/I ug/I u9/I ug/I 15A NCAC 02L Standard 6.5-8.5 NE NE NE NE NE NE NE NE NE NE 1* NE NE 10 NE NE 9* NE NE 700 NE NE 2 250 NE NE 10 NE NE 1* NE NE 1000 NE NE 300 Sample ID Stion Dampleate Collec Field Parameters Analytical Results ALLUVIAL MW-10 03/05/2014 5.4 NM 5.72 10 72 5.94 226 NM 2.9 NM NA NA NA NA <1 NA NA NA NA NA NA <50 NA NA <1 4.4 NA NA <5 NA NA 3.18 NA NA <5 NA NA 207 MW-10 04/17/2014 5.0 NM 5.64 12 68 0.3 182 NM 2.9 NM NA <1 NA NA <i NA NA NA NA NA NA <50 NA NA <1 8.3 NA NA <5 NA NA NA NA NA <5 NA NA 1040 MW-10 07/23/2014 4.6 NM 5.70 19 67 0.38 244 NM 0.93 NM NA <1 NA NA <I NA NA NA NA NA NA <50 NA NA <1 8.4 NA NA <5 NA NA <5 NA NA <5 NA NA 375 MW-10 11/04/2014 NM NM NM NM NM NM NM NM NM NM NA <1 NA NA <3 NA NA NA <1 NA NA NA NA NA <1 NA NA NA <1 NA NA 6.11 NA NA <1 NA NA 675 MW-10 05/12/2015 5.0 Mixed (oxis ono xic) 5.58 16 64 0.96 47 252 4.09 <0.5 NA <1 <1 NA <1 45 <1 NA <1 <50 NA <50 <1 NA <1 8.9 <1 NA <1 4.69 NA 4.29 1.08 NA <1 242 NA 369 Maximum Value 5.4 - - 5.72 19 72 5.94 244 252 --- --- --- --- --- 45 --- --- --- --- --- --- --- --- --- 8.9 --- --- --- 4.69 --- 6.11 1.08 --- 242 1040 SAPROLITE AMW-03A 11/04/2014 NM NM NM NM NM NM NM NM NM NM NA <1 NA NA <1 NA NA NA <1 NA NA NA NA NA <1 NA NA NA 12.4 NA NA <1 NA NA 1.15 NA NA 153 AMW-03A 05/12/2015 12.1 Oxic 8.17 15 2350 5.41 -189 16 1.5 <0.5 NA <1 <1 NA <1 52 <1 NA <1 <50 NA <50 <1 NA <1 1.1 3.39 NA <1 <1 NA <1 1.18 NA 1.17 <10 NA <10 CB-01 11/17/2010 4.6 NM 47.73 14 15 NM NM NM 9.16 NM NA <0.5 NA NA <5 NA NA NA NA NA NA <50 NA NA <0.08 <5 NA NA <5 NA NA NA NA NA <5 NA NA 1160 CB-01 04/12/2011 4.4 NM 48.20 17 18 7.57 126 331 4.81 NM NA <0.5 NA NA <5 NA NA NA NA NA NA <50 NA NA <0.08 <5 NA NA <5 NA NA NA NA NA 16.6 NA NA 589 CB-01 07/19/2011 4.8 NM 48.40 22 17 7.16 -4 201 17.6 NM NA <0.5 NA NA <5 NA NA NA NA NA NA 51.1 NA NA <0.08 <5 NA NA 81.5 NA NA NA NA NA 6.4 NA NA 1330 CB-01 11/09/2011 5.4 NM 50.47 12 19 8.36 -86 119 20.9 NM NA <0.5 NA NA 6.7 NA NA NA NA NA NA <50 NA NA <0.08 <5 NA NA 8.7 NA NA NA NA NA 26.2 NA NA 17800 CB-01 04/10/2012 4.8 NM 49.75 15 16 9,67 -44 161 8.11 NM NA <0.5 NA NA <5 NA NA NA NA NA NA <50 NA NA <0.08 <5 NA NA <5 NA NA NA NA NA <5 NA NA 276 CB-01 07/16/2012 4.6 NM 49.09 16 20 8.65 317 522 3.65 NM NA <0.5 NA NA <5 NA NA NA NA NA NA <50 NA NA <0.08 1.6 NA NA <5 NA NA NA NA NA <5 NA NA 179 CB-01 11/15/2012 4.9 NM 50.89 16 18 7.82 335 540 7.86 NM NA <0,5 NA NA <5 NA NA NA NA NA NA <50 NA NA <0.08 1.4 NA NA <5 NA NA NA NA NA <5 NA NA 218 CB-01 04/03/2013 4.5 NM 49.47 15 20 7.89 135 340 4.78 NM NA <1 NA NA <1 NA NA NA NA NA NA <50 NA NA <1 1.5 NA NA 15 NA NA NA NA NA <5 NA NA 98 CB-01 07/01/2013 5.3 NM 44.71 16 24 8.75 60 265 9.2 NM NA <1 NA NA <1 NA NA NA NA NA NA <50 NA NA <1 1.7 NA NA <5 NA NA NA NA NA <5 NA NA 2870 CB-01 11/05/2013 4.5 NM 43.93 15 18 9.4 413 618 12 NM NA <1 NA NA <1 NA NA NA NA NA NA <50 NA NA <1 1.6 NA NA <5 NA NA NA NA NA <5 NA NA 664 CB-01 04/16/2014 4.4 NM 46.05 15 17 8.3 410 615 2.8 NM NA <1 NA NA <1 NA NA NA NA NA NA <50 NA NA <1 1.7 NA NA <5 NA NA NA NA NA <5 NA NA 152 CB-01 07/09/2014 4.6 NM 46.41 16 18 8.67 387 592 3.6 NM NA <1 NA NA <I NA NA NA NA NA NA <50 NA NA <1 1.7 NA NA <5 NA NA NA NA NA <5 NA NA 215 CB-01 11/03/2014 4.5 NM 48.24 16 22 7.53 352 557 7.09 NM NA <i NA NA <I NA NA NA NA NA NA <50 NA NA <1 1.7 NA NA <5 NA NA NA NA NA <5 NA NA 175 CB-01 04/07/2015 4.9 NM 45.50 15 17 8.68 136 341 6.74 NM NA <1 NA NA <I NA NA NA <1 NA NA <50 NA NA <1 1.6 NA NA <5 NA NA 1.94 NA NA <5 NA NA 279 CB-01 07/06/2015 4.7 Oxic 49.12 16 20 8.34 161 366 3.82 NM NA <i <i NA <1 20 <1 NA <1 <50 NA <50 <1 NA <1 1.7 <1 NA <5 2.02 NA 1.95 7.9 NA 12 <10 NA 86 CB-09 11/15/2012 5.0 NM 37.78 15 46 1.66 399 604 8.42 NM NA <0.5 NA NA <5 NA NA NA NA NA NA <50 NA NA <0.08 6.8 NA NA <5 NA NA NA NA NA <5 NA NA 2880 CB-09 04/03/2013 4.9 NM 37AS 15 40 7.8 112 317 2.01 NM NA <i NA NA <i NA NA NA NA NA NA <50 NA NA <1 6.5 NA NA <5 NA NA NA NA NA <5 NA NA 370 CB-09 07/01/2013 5.3 NM 34.74 16 48 1.9 38 243 8.43 NM NA <1 NA NA <I NA NA NA NA NA NA <50 NA NA <1 6.4 NA NA 6 NA NA NA NA NA <5 NA NA 2080 CB-09 11/05/2013 4.7 NM 35.72 15 38 2.8 378 583 8.7 NM NA <i NA NA <i NA NA NA NA NA NA <50 NA NA <1 6.8 NA NA <5 NA NA NA NA NA <5 NA NA 883 CB-09 04/16/2014 4.8 NM 36.13 15 38 2.2 347 552 3.5 NM NA <1 NA NA <1 NA NA NA NA NA NA <50 NA NA <1 6.9 NA NA <5 NA NA NA NA NA <5 NA NA 248 CB-09 07/09/2014 4.8 NM 35.89 16 38 2.59 353 558 5.3 NM NA <1 NA NA <i NA NA NA NA NA NA <50 NA NA <1 6.8 NA NA <5 NA NA NA NA NA <5 NA NA 531 CB-09 11/03/2014 4.9 NM 37.18 15 47 2.01 228 433 8.34 NM NA <1 NA NA <1 NA NA NA NA NA NA <50 NA NA <1 6.9 NA NA <5 NA NA NA NA NA <5 NA NA 341 CB-09 04/07/2015 5.0 NM 37.29 16 38 2.24 114 319 8.79 NM NA <1 NA NA <i NA NA NA <1 NA NA <50 NA NA <1 6.7 NA NA <5 NA NA 1.36 NA NA <5 NA NA 653 CB-09 07/06/2015 4.9 Oxic 37.02 16 41 2.25 159 364 4.5 NM NA <1 <1 NA <I 26 <1 NA <1 <50 NA <50 <1 NA <1 6.7 <1 NA <5 <1 NA <1 1.78 NA <5 <10 NA 158 CB-09 09/09/2015 5.0 NM 37.50 16 37 1.97 223 428 7.51 NM <1 NA <L <i NA 24 <1 <1 NA <50 <50 NA <1 <I NA NA <1 <1 NA <1 <1 NA 1.65 1.44 NA <10 <10 NA CB-095L 04/27/2015 6.0 Mixed (oxic-anoxic) 36.05 13 76 1.08 130 335 30.4 <0.5 NA <1 <1 NA <1 29 <1 NA <1 <50 NA <50 <1 NA <1 6.1 <1 NA 2.86 <1 NA 1.21 1.79 NA <1 65 NA 475 CB-09SL 05/28/2015 5.8 Mixed (oxic-anoxic) 35.98 19 59 1.59 84 289 5.97 <0.5 NA <1 <1 NA <1 27 <1 NA <1 <50 NA <50 <1 NA <1 6.6 <1 NA <1 <1 NA <1 <1 NA <1 29 NA 73 CB-09SL 09/08/2015 5.8 NM 36.51 16 59 2.61 165 370 3 NM <1 NA <1 <1 NA 35 <1 <1 NA <50 <50 NA <1 <1 NA NA <1 <1 NA <1 <1 NA <1 <1 NA <10 <10 NA MW-24S O5/11/2015 5.0 Mixed (oxic-anoxic) 11.26 17 75 5.48 72 277 1.77 NM NA <1 <1 NA <1 55 <1 NA <1 <50 NA <50 <1 NA <1 12 <1 NA <1 1.84 NA 2.05 1.09 NA <1 221 NA 304 MW-245 O6/Ol/2015 5.2 Mized (oxic-anoxic) 11.19 15 79 4.67 97 302 2.74 <0.5 NA <1 <1 NA <I 57 <3 NA <1 <50 NA <50 <1 NA <1 13 <1 NA <1 <3 NA 1.02 <1 NA <1 37 NA 60 MW-245 09/02/2015 5.2 NM 11.34 18 78 5.03 193 398 0.96 NM NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA Maximum Value 5.8 0 50.89 19 79 9.67 410 615 9.2 0 0 0 0 0 O 57 0 0 0 0 0 0 0 0 0 13 0 0 15 2.02 0 2.05 7.9 1.44 16.6 221 0 2880 TRANSITION ZONE CB-01D 04/28/2015 6.7 Mixed (oxi - xic) 38.22 17 75 1.56 1 206 7.52 <0.5 NA <1 <1 NA <1 19 <1 NA <1 <50 NA <50 <1 NA <1 1.3 <1 NA 7.04 2.03 NA 2.54 <1 NA <1 246 NA 528 CB-M 05/21/2015 6.4 Mixed (oxic-anoxic) 38.36 16 57 0.8 48 253 2.83 0.5 NA <1 <1 NA <i 16 <1 NA <1 <50 NA <50 <1 NA 11 1.1 <1 NA 1.27 1.63 NA 1.66 <1 NA <1 449 NA 589 CB-01D 09/08/2015 5.8 NM 38.92 16 30 2.87 122 327 2.36 NM NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA Maximum Value 6.7 --- 38.92 17 75 2.87 122 327 7.52 0.5 --- --- --- --- --- 19 --- --- --- --- --- --- --- --- --- 1.3 --- --- 7.04 1 2.03 --- 2.54 --- --- --- 449 BEDROCK AMW-03B 07/23/2014 6.5 NM 7.97 18 88 2.89 163 NM 10.8 NM NA <1 NA NA <1 NA NA NA NA NA NA <50 NA NA <1 0.58 NA NA <5 NA NA <5 NA NA <5 NA NA <SO AMW-038 11/04/2014 NM NM NM NM NM NM NM NM NM NM NA <1 NA NA <1 NA NA NA <1 NA NA NA NA NA <1 NA NA NA <1 NA NA <1 NA NA <1 NA NA 258 AMW-03B O5/12/2015 7.7 Oxic 8.27 16 83 0.84 -69 136 6.86 <0.5 NA <1 <1 NA <1 5 <1 NA <1 <50 NA <50 <1 NA <1 <2.5 <1 NA <1 <1 NA <1 <1 NA <1 12 NA 47 CB-09BR 04/27/2015 8.9 Suboxic 44.46 16 185 0.49 123 328 16.2 <0.5 NA <1 <1 NA <1 19 <1 NA <1 <50 NA <50 <1 NA <1 6.4 <1 NA 8.25 <1 NA <1 <1 NA 1.16 <10 NA 460 CB-09BR O5/28/2015 6.5 Mixed (anoxic) 48.57 16 135 0.36 69 274 10.8 <0.5 NA <1 <1 NA <1 18 <1 NA <1 <50 NA <50 <1 NA <1 6.4 <1 NA <1 <1 NA <1 <1 NA <1 232 NA 402 CB-09BR 09/08/2015 6.3 NM 49.19 17 105 0.84 133 338 9.89 NM <1 NA <1 <1 NA 18 <1 <1 NA <50 <50 NA <1 <1 NA NA <1 <1 NA <1 <1 NA 6.23 2.05 NA 10 12 NA Maximum Value 7.7 -- 49.19 IS 135 2.9 163 338 10.8 -- 0.0 -- -- 0.0 -- 18.0 -- 0.0 -- -- O.0 -- -- 0.0 -- 6.4 -- 0.0 -- -- 0.0 -- 6.1 2.1 0.0 232 12.0 402 Prepared by: BER/SRW Checked by: TDP Notes; 0 - Total metal concentration greater than 2L or IMAC and maximum concentration from background data set 0 - Total metal concentration less than appropriate comparative value in bold (2L, IMAC, or Provisional background) ug/I = microgram per liter DO = Dissolved Oxygen mV = millivolts Eh = Redox potential ORP = Oxidation Reduction Potential Deg C = Degree Celsius NE = Not established NTU = nephelometric turbidity unit ft = feet DUP = Duplicate S.U. = Standard Unit NO = Not determined Spec Cord = Specific Conductance umhos/cm = micro mhos per centimeter NM = Not measured Temp = Temperature mg/I = milligrams per liter NA = Not analyzed * - Interim Maximum Allowable Concentrations (IMACs) of the 15A NCAC 02L Standard, Appendix 1, April, 1, 2013. Rex text omitted from consideration for background due to elevated pH or Turbidity P:\Duke Energy Progress.1026\102. Asheville Ash Basin GW Assessment Plan\16.Corrective Action Plan\Tables\Table 2-2 Background Well Analytical Results.xlsx Page 1 of 2 TABLE 2-2 BACKGROUND WELL ANALYTICAL RESULTS ASHEVILLE STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC, ARDEN, NC Analytical Parameter Lead Lead Lead Manganese Manganese Manganese Mercury Mercury Mercury Nickel Nickel Nickel Nitrate (a5 N) Nitrate Potassium Selenium Selenium Selenium Strontium Strontium Strontium Sulfate Thallium Thallium Thallium Total Dissolved Solids Total Suspended Solids Vanadium Vanadium Vanadium Zinc Zinc Zinc DIS DIS (0.1u) TOT DIS DIS (0.1u) TOT DIS DIS (0.1u) TOT DIS DIS (0.1u) TOT TOT DIS DIS (0.1u) TOT DIS DIS (0.1u) TOT DIS DIS (O.lu) TOT DIS DIS (0.1u) TOT DIS DIS (0.1u) TOT Reporting Units u9/I u9/I ug/I ug/I u9/I u9/I ug/I ug/I ug/I ug/I ug/I ug/I .9-N/L mg/I mg/I ug/I ug/I ug/I ug/I ug/I ug/I mg/I ug/I ug/1 u9/I m9/I mg/I ug/I ug/I ug/I ug/1 u9/1 ug/I 15A NCAC 02L Standard NE NE 15 NE NE 50 NE NE 1 NE NE 100 10 10 NE NE NE 20 NE NE NE 250 NE NE 0.2* 500 NE NE NE 0.3* NE NE 1000 Sample ID CollectSampleion Date Analytical Results ALLUVIAL MW-10 03/05/2014 NA NA <1 NA NA 167 NA NA <0.05 NA NA <5 NA NA NA NA NA <1 NA NA NA 0.63 NA NA <0.2 55 NA NA NA NA NA NA 29 MW-10 04/17/2014 NA NA <1 NA NA 573 NA NA <0.05 NA NA <5 0.04 0.16 NA NA NA <1 NA NA NA 0.41 NA NA <0.2 48 NA NA NA NA NA NA 17 MW-10 07/23/2014 NA NA <1 NA NA 331 NA NA <0.05 NA NA <5 0.1 0.42 1.51 NA NA <1 NA NA NA 0.58 NA NA <0.2 44 NA NA NA NA NA NA 12 MW-10 11/04/2014 NA NA <1 NA NA 555 NA NA NA NA NA 2.95 NA NA 1.41 NA NA <1 NA NA NA NA NA NA <0.2 NA NA NA NA NA NA NA 17 MW-10 05/12/2015 <1 NA <1 365 NA 340 <0.05 NA <0.05 3.45 NA 3.1 0.096 NA 1.36 <1 NA <1 24 NA 24 0.3 <0.2 NA <0.2 44 <5 <0.3 NA <0.3 51 NA 85 Maximum Value --- --- --- 365 --- 573 --- --- --- 3.45 --- 3.1 0.1 0.42 1.51 --- --- --- 24 --- 24 0.63 --- --- --- 55 --- --- --- --- 51 --- 85 SAPROLITE AMW-03A 11/04/2014 NA NA <1 NA NA 22 NA NA NA NA NA <1 NA NA 2.45 NA NA <1 NA NA NA NA NA NA <0.2 NA NA NA NA NA NA NA <5 AMW-03A 05/12/2015 <1 NA <1 <5 NA <5 <0.05 NA <0.05 <1 NA <1 0.071 NA 8.77 <1 NA <1 1110 NA 1220 0.34 <0.2 NA <0.2 500 <5 8.78 NA 8.98 13 NA <5 CB-01 11/17/2010 NA NA <5 NA NA 46.3 NA NA <0.2 NA NA <5 NA 0.51 NA NA NA <10 NA NA NA <5 NA NA <0.1 <25 NA NA NA NA NA NA <10 CB-01 04/12/2011 NA NA <5 NA NA 36.3 NA NA <0.2 NA NA <5 NA 0.43 NA NA NA <10 NA NA NA <5 NA NA <0.1 <25 NA NA NA NA NA NA 43.9 CB-01 07/19/2011 NA NA <5 NA NA 43 NA NA <0.2 NA NA 53b NA 0.43 NA NA NA <10 NA NA NA <5 NA NA <0.1 <25 NA NA NA NA NA NA 32.4 CB-01 11/09/2011 NA NA 6 NA NA 293 NA NA <0.2 NA NA 12 NA 0.42 NA NA NA <10 NA NA NA <5 NA NA <0.1 93 NA NA NA NA NA NA 56.8 CB-01 04/10/2012 NA NA <5 NA NA 28.4 NA NA <0.2 NA NA <5 NA 0.41 NA NA NA <10 NA NA NA <5 NA NA <0.1 <25 NA NA NA NA NA NA 11 CB-01 07/16/2012 NA NA <5 NA NA 26.8 NA NA <0.2 NA NA <5 NA 0.42 NA NA NA <10 NA NA NA <2 NA NA <0.1 <25 NA NA NA NA NA NA <10 CB-01 11/15/2012 NA NA <5 NA NA 28.5 NA NA 10.2 NA NA <5 NA 0.36 NA NA NA -10 NA NA NA <2 NA NA <0.1 <25 NA NA NA NA NA NA <10 CB-01 04/03/2013 NA NA <1 NA NA 27 NA NA <0.05 NA NA 30 NA 0.43 NA NA NA <1 NA NA NA <0.1 NA NA <0.2 <10 NA NA NA NA NA NA 30 CB-01 07/01/2013 NA NA <1 NA NA 67 NA NA <0.05 NA NA <5 NA 0.42 NA NA NA 1.22 NA NA NA <0.1 NA NA <0.2 <25 NA NA NA NA NA NA 19 CB-01 11/05/2013 NA NA <1 NA NA 33 NA NA <0.05 NA NA <5 NA 0.42 NA NA NA <1 NA NA NA 0.15 NA NA <0.2 <25 NA NA NA NA NA NA 25 CB-01 04/16/2014 NA NA <1 NA NA 24 NA NA <0.05 NA NA <5 NA 0,42 NA NA NA <1 NA NA NA 0.18 NA NA <0.2 <25 NA NA NA NA NA NA 14 CB-01 07/09/2014 NA NA <1 NA NA 26 NA NA <0.05 NA NA <5 NA 0.45 NA NA NA <1 NA NA NA 0.12 NA NA <0.2 <25 NA NA NA NA NA NA 28 CB-01 11/03/2014 NA NA <1 NA NA 25 NA NA <0.05 NA NA <5 NA 0.4 NA NA NA <1 NA NA NA 0.17 NA NA <0.2 <25 NA NA NA NA NA NA 12 CB-01 04/07/2015 NA NA <1 NA NA 26 NA NA <0.05 NA NA <5 NA 0.42 0.548 NA NA <1 NA NA NA 0.36 NA NA <0.2 31 <5 NA NA NA NA NA 22 CB-01 07/06/2015 <1 NA <1 25 NA 25 <0.05 NA <0.05 1.13 NA <5 0.423 1.8 0.409 <I NA <1 <5 NA <5 0.61 <0.2 NA <0.2 <25 <5 <0.3 NA <0.3 82 NA 77 CB-09 11/15/2012 NA NA <5 NA NA Los NA NA <0.2 NA NA <5 NA 0.38 NA NA NA <10 NA NA NA <2 NA NA 0.12 <25 NA NA NA NA NA NA 19.6 CB-09 04/03/2013 NA NA <1 NA NA 67 NA NA <0.05 NA NA <5 NA 0.33 NA NA NA <1 NA NA NA 0.2 NA NA <0.2 42 NA NA NA NA NA NA 18 CB-09 07/01/2013 NA NA <1 NA NA 92 NA NA <0.05 NA NA 6 NA 0.33 NA NA NA 1.12 NA NA NA 0.11 NA NA <0.2 26 NA NA NA NA NA NA 16 CB-09 11/05/2013 NA NA <1 NA NA 60 NA NA <0.05 NA NA <5 NA 0,34 NA NA NA <1 NA NA NA 0.21 NA NA <0.2 28 NA NA NA NA NA NA 19 CB-09 04/16/2014 NA NA <1 NA NA 39 NA NA <0.05 NA NA <5 NA 0.33 NA NA NA <1 NA NA NA 0.13 NA NA <0.2 <25 NA NA NA NA NA NA 14 CB-09 07/09/2014 NA NA <1 NA NA 47 NA NA <0.05 NA NA <5 NA 0.35 NA NA NA <1 NA NA NA 0.12 NA NA <0.2 28 NA NA NA NA NA NA 11 CB-09 11/03/2014 NA NA <1 NA NA 41 NA NA <0.05 NA NA <5 NA 0.29 NA NA NA <1 NA NA NA 0.14 NA NA <0.2 26 NA NA NA NA NA NA 13 CB-09 04/07/2015 NA NA <1 NA NA 50 NA NA <0.05 NA NA <5 NA 0.29 0.76 NA NA <1 NA NA NA 0.24 NA NA <0.2 35 6 NA NA NA NA NA 15 CB-09 07/06/2015 <1 NA <1 35 NA 40 <0.05 NA <0.05 1.1 NA <5 <0.01 1.2 0.704 <1 NA <1 8 NA 8 0.11 <0.2 NA <0.2 25 <5 <0.3 NA <0.3 38 NA 37 CB-09 09/09/2015 <1 <1 NA 35 34 NA <0.05 <0.05 NA 1.05 <1 NA NA NA NA <1 <1 NA 7 7 NA NA <0.2 <0.2 NA NA NA <0.3 <0.3 NA 17 17 NA CB-09SL 04/27/2015 <1 NA <1 96 NA 125 <0.05 NA <0.05 <1 NA 2.13 0.086 NA 1.41 <1 NA <1 29 NA 40 0.74 <0.2 NA <0.2 92 110 <0.3 NA 0.56 39 NA 49 CB-09SL 05/28/2015 <1 NA <1 69 NA 71 <0.05 NA <0.05 <1 NA <1 0.206 NA 1.28 <1 NA <1 26 NA 28 0.57 <0.2 NA <0.2 43 6 <0.3 NA <0.3 16 NA 12 CB-09SL 09/08/2015 <1 <1 NA 22 26 NA <0.05 <0.05 NA <1 <1 NA NA NA NA <1 <1 NA 27 27 NA NA <0.2 0.202 NA NA NA 0.32 <0.3 NA 14 18 NA MW-24S 05/11/2015 <1 NA <1 160 NA 170 <0.05 NA <0.05 1.23 NA 1.16 1.2 NA 1.61 <1 NA <1 37 NA 37 0.49 <0.2 NA <0.2 54 <5 <0.3 NA <0.3 9 NA 8 MW-24S 06/01/2015 <1 NA <1 137 NA 136 <0.05 NA <0.05 <1 NA 1.07 1.2 NA 1.54 <1 NA <1 41 NA 36 0.62 <0.2 NA <0.2 66 <5 <O.3 NA <0.3 9 NA <5 MW-245 09/02/2015 NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA Maximum Value --- --- --- 160 34 170 0 0 0 1.23 O 10 1.2 1.8 2.45 0 0 1.22 41 27 37 0.62 0 0.202 0.12 66 6 0.32 0 0 82 18 77 TRANSITION ZONE CB-01D 04/28/2015 <1 NA <1 231 NA 226 <0.05 NA <0.05 1.66 NA 6.03 0.036 NA 1.8 <1 NA <1 26 NA 25 2.7 <0.2 NA <0.2 44 7 <0.3 NA 0.416 26 NA 24 CB -OM 05/21/2015 <1 NA <1 308 NA 286 <0.05 NA <0.05 1.44 NA 2.07 0.038 NA 1.54 <1 NA <1 19 NA 19 Z.2 10.2 NA <0.2 37 <5 <0.3 NA 0.34 21 NA 20 CB-01D 09/08/2015 NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA Maximum Value --- --- --- 308 --- 286 --- --- --- 1.66 --- 6.03 0.038 0 1.8 --- --- --- 26 --- 25 2.7 --- --- --- 44 7 --- --- 0.416 26 --- 24 BEDROCK AMW-03B 07/23/2014 NA NA <1 NA NA 14 NA NA <0.05 NA NA <5 0.08 0.37 2.92 NA NA <1 NA NA NA 1.7 NA NA <0.2 92 NA NA NA NA NA NA <5 AMW-03B 11/04/2014 NA NA <1 NA NA 102 NA NA NA NA NA 1.67 NA NA 1.7 NA NA <1 NA NA NA NA NA NA <0.2 NA NA NA NA NA NA NA 7 AMW-038 05/12/2015 <1 NA <1 5 NA <5 <0.05 NA <0.05 1.75 NA 1.77 0.075 NA 2.06 <1 NA <1 59 NA 60 3.3 <0.2 NA <0.2 72 8 <0.3 NA 0.344 97 NA <5 CB-09BR 04/27/2015 <1 NA <1 12 NA 21 <0.05 NA <0.05 <1 NA 4.42 0.065 NA 4.23 1.44 NA 1.56 110 NA 115 3.9 <0.2 NA <0.2 130 25 2.01 NA 3.03 17 NA 8 CB-09BR 05/28/2015 <1 NA <1 65 NA 76 <0.05 NA <0.05 <1 NA 1.36 0.069 NA 3.41 <1 NA <1 88 NA 98 1.8 <0.2 NA <0.2 96 8 <0.3 NA 0.499 11 NA 21 CB-09BR 09/08/2015 <1 <1 NA 51 50 NA <0.05 <0.05 NA <1 <1 NA NA NA NA <1 <1 NA 73 73 NA NA <0.2 <0.2 NA NA NA <0.3 <0.3 NA 14 15 NA Maximum Value --- --- --- 65 50.0 102 0.0 0.0 0.0 1.75 0.0 1.77 0.1 0.4 3.4 0.0 0.0 -- 88 73.0 98 3.3 -- 0.0 -- 96 8 -- 0.0 0.499 97 15 21 Prepared by: BER/SRW Checked by: TOP Notes; 0 - Total metal concentration greater than 2L or IMAC and maximum concentration from background data set 0 - Total metal concentration less than appropriate comparative value in bold (2L, IMAC, or Provisional background) ug/I = microgram per liter DO = Dissolved Oxygen my = millivolts Eh = Redox potential ORP = Oxidation Reduction Potential Deg C = Degree Celsius NE = Not established NTU = nephelometric turbidity unit ft = feet DUP = Duplicate S.U. = Standard Unit NO = Not determined Spec Cord = Specific Conductance umhos/cm = micro mhos per centimeter NM = Not measured Temp = Temperature mg/I = milligrams per liter NA = Not analyzed * - Interim Maximum Allowable Concentrations (IMACs) of the 15A NCAC 02L Standard, Appendix 1, April, 1, 2013. Rex text omitted from consideration for background due to elevated pH or Turbidity P:\Duke Energy Progress.1026\102. Asheville Ash Basin GW Assessment Plan\16.Corrective Action Plan\Tables\Table 2-2 Background Well Analytical Results.xlsx Page 2 of 2 TABLE 2-3 SSI ANALYTE SUMMARY ASHEVILLE STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC, ARDEN, NC Parameter Well ID Sampling Date Antimony Arsenic Barium Boron Cadmium Chloride Chromium Copper Iron Lead Manganese Mercury Nickel Nitrate Selenium Sulfate Thallium Zinc TDS Turbidity Ng/L Ng/L Ng/L Ng/L Ng/L mg/L Ng/L mg/L pg/L Ng/L Ng/L Ng/L Ng/L mg/L Ng/L mg/L Ng/L mg/L mg/L NTU C13-1 11/17/2010 <0.5 <5 21.6 <50 <0.08 <5 <5 <0.005 1160 <5 46.3 <0.2 <5 0.51 <10 <5 <0.1 <0.010 <25 9.16 C13-1 4/12/2011 <0.5 <5 18.9 <50 <0.08 <5 <5 0.0166 589 <5 36.3 <0.2 <5 0.43 <10 <5 <0.1 0.0439 <25 4.81 C13-1 7/19/2011 <0.5 <5 21.1 B 51.1 <0.08 <5 81.5 0.0064 1330 <5 43 <0.2 53 B 0.43 <10 <5 <0.1 0.0324 <25 17.6 C13-1 11/9/2011 <0.5 6.7 52.4 <50 <0.08 <5 8.7 0.0262 17800 6 293 <0.2 12 0.42 <10 <5 <0.1 0.0568 93 20.9 C13-1 4/10/2012 <0.5 <5 15.8 <50 <0.08 <5 <5 <0.005 276 <5 28.4 <0.2 <5 0.41 <10 <5 <0.1 0.011 <25 8.11 C13-1 7/16/2012 <0.5 <5 17.5 1 <50 <0.08 1.6 <5 <0.005 179 <5 26.8 <0.2 <5 0.42 <10 <2 1 <0.1 <0.010 <25 3.65 C13-1 11/15/2012 <0.5 <5 14.6 <50 <0.08 1.4 <5 <0.005 218 <5 28.5 <0.2 <5 0.36 <10 <2 <0.1 <0.010 <25 7.86 C13-1 4/3/2013 <1 <1 16 <50 <1 1.5 15 <0.005 98 <1 27 <0.05 10 0.43 <1 <0.1 <0.2 0.01 <10 4.78 CB-1 7/1/2013 <1 <1 25 <50 <1 1.7 <5 <0.005 2870 <1 67 <0.05 <5 0.42 1.22 <0.1 <0.2 0.019 <25 9.2 C13-1 11/5/2013 <1 <1 21 <50 <1 1.6 <5 <0.005 664 <1 33 <0.05 <5 0.42 <1 0.15 <0.2 0.025 <25 12 C13-1 4/16/2014 <1 <1 19 <50 <1 1.7 <5 <0.005 152 <1 24 <0.05 <5 0.42 <1 0.18 <0.2 0.014 <25 2.8 C13-1 7/9/2014 <1 <1 20 <50 <1 1.7 <5 <0.005 215 <1 26 <0.05 <5 0.45 <1 0.12 1 <0.2 0.028 <25 3.6 C13-1 11/3/2014 <1 <1 19 <50 <1 1.7 <5 <0.005 175 <1 25 <0.05 <5 0.4 <1 0.17 <0.2 0.012 <25 7.09 C13-1 4/7/2015 <1 <1 19 <50 <1 1.6 <5 <0.005 279 <1 26 <0.05 <5 0.42 <1 0.36 <0.2 0.022 31 6.74 C13-1 7/6/2015 <1 <1 21 <50 <1 1.7 <5 0.012 86 <1 25 <0.05 <5 0.40 <1 0.61 <0.2 0.077 <25 3.82 C13-9 11/15/2012 <0.5 <5 29.2 <50 <0.08 6.8 <5 <0.005 2880 <5 105 <0.2 <5 0.38 <10 <2 0.12 0.0196 <25 8.42 C13-9 4/3/2013 <1 <1 28 <50 <1 6.5 <5 <0.005 370 <1 67 <0.05 <5 0.33 <1 0.2 <0.2 0.018 42 2.01 C13-9 7/1/2013 <1 <1 31 <50 <1 6.4 6 <0.005 2080 <1 92 <0.05 6 0.33 1.12 0.11 <0.2 0.016 26 8.43 C13-9 11/5/2013 <1 <1 28 <50 <1 6.8 <5 <0.005 883 <1 60 <0.05 <5 0.34 <1 0.21 <0.2 0.019 28 8.7 C13-9 4/16/2014 <1 <1 25 <50 <1 6.9 <5 <0.005 248 <1 39 <0.05 <5 0.33 <1 0.13 <0.2 0.014 <25 3.5 C13-9 7/9/2014 <1 <1 26 <50 <1 6.8 <5 <0.005 531 <1 47 <0.05 <5 0.35 <1 0.12 <0.2 0.011 28 5.3 C13-9 11/3/2014 <1 <1 25 <50 <1 6.9 <5 <0.005 341 <1 41 <0.05 <5 0.29 <1 0.14 1 <0.2 1 0.013 26 8.34 C13-9 4/7/2015 <1 <1 29 <50 <1 6.7 <5 <0.005 653 <1 50 <0.05 1 <5 1 0.29 <1 0.24 <0.2 0.015 35 8.79 C13-9 7/6/2015 <1 <1 1 29 1 <50 <1 1 6.7 <5 <0.005 158 <1 40 <0.05 1 <5 1 0.28 <1 1 0.11 <0.2 0.037_j 25 4.50 Analysis Type Prediction Limit Parametric* 0.85 4.42 41.27 25 1.14 13 13.37 0.02 3797 4.42 126.35 0.17 9.43 1.77 9.27 3.67 0.17 0.08 54.35 Non -parametric** 1 5 31 50 1 6.9 15 0.02 2880 5 105 0.2 10 1.8 10 5 0.2 0.08 42 Poisson** 2.28 3.91 35.24 38.09 2.10 4.10 8.09 0.01 755.67 3.91 61.5 0.78 7.68 0.55 5.52 0.7 1.03 0.03 19.21 Prepared by: JHG Checked by- KLS NOTES: Analysis type based on distribution of compliance well dataset and percentage of non -detects. 1/2 detection limits were used for inter -well parametric and poisson prediction limits. For non -parametric prediction limits detection limits were used for inter -well non -parametric prediction limits. Confidence interval used during calculations = 99% Omitted Omitted from statistical analysis due to elevated turbidity>:10 NTU. < Value is less than detection limit B Data flagged due to detection in field blank * Assessment monitoring well data compared to inter -well parametric prediction limit due to higher statistical power (1-P) in relation to non -parametric and poisson inter -well prediction limits. ** Inter -well non -parametric and poisson prediction limits will be used (dependent on distribution and % NDs) when a sufficient number of samples have been collected to perform distributional analysis. P:\Duke Energy Progress.1026\102. Asheville Ash Basin GW Assessment Plan\16.Corrective Action Plan\Tables\Table 2-3 SSI Analyte Summary.xlsx Page 1 of 1 TABLE 2-4 SURFICIAL GROUNDWATER PROVISIONAL BACKGROUND CONCENTRATION SUMMARY ASHEVILLE STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC, ARDEN, NC Analytical Parameter Reporting Units NC2L Standard Alluvium Saprolite Background Concentration Range Provisional Background Concentration Background Concentration Range Provisional Background Concentration** pH S.U. 6.5-8.5 4.6 - 5.4 4.6-5.4 4.4 - 5.8 4.4-5.8 Antimony lag/I 1* ND ND ND ND Arsenic lag/I 10 ND ND ND ND Beryllium lag/I 4* ND ND ND ND Boron lag/I 700 ND ND ND ND Cadmium lag/I 2 ND ND ND ND Chloride mg/I 250 4.4 - 8.9 8.9 1.4 - 13 13 Chromium lag/I 10 ND ND 6 - 15 15 Chromium hexavalent Pg/I NE NE NE 0.109 - 0.152 0.152 Cobalt lag/I 1* 3.18 - 6.11 6.11 1.02 - 2.05 2.05 Iron lag/I 300 207 - 1040 1040 60 - 2880 3797 Lead lag/I 15 ND ND ND ND Manganese lag/I 50 187 - 573 573 22 - 170 126 Nickel lag/I 100 2.95 - 3.1 3.1 1.07 - 10 10 Nitrate mg/I 10 0.16 - 0.42 0.42 0.29 - 1.8 1.8 Nitrate (as N) mg-N/L 10 0.04 - 0.1 0.1 0.071 - 1.2 1.2 Selenium lag/I 20 ND ND 1.12 - 1.22 1.22 Strontium Pg/I NE 24 24 8-37 37 Sulfate mg/1 250 0.3 - 0.63 0.63 0.11 - 0.62 0.62 Thallium Pg/I 0.2* ND ND 0.12 0.12 TDS mg/I 500 44 - 55 55 25 - 66 66 Vanadium lag/I 0.3* ND ND ND ND Zinc lag/I 1000 12 - 85 85 7- 77 77 P.Y. uy. lauL Notes: 0 = Indicates comparative value for risk assessment and corrective action evaluation NE = Not Established ND = Not Detected mg/I = milligrams per liter pg/I = micrograms per liter mg-N/L = milligrams nitrogen per liter N = Nitrogen S.U. Standard Unit A single value in the range column indicates only one detected concentration *Interim Maximum Allowable Concentration (IMAC) of the 15A NCAC 02L Standard, Appendix 1, April 2013. **Provisional background concentration is equal to the interwell Parametric prediction limit for iron and manganese and the non -parametric prediction limit for chromium. The provisional background concentration for remaining analytes is the maximum observed background concentration. P:\Duke Energy Progress.1026\102. Asheville Ash Basin GW Assessment Plan\16.Corrective Action Plan\Tables\Tables 2-1_2-4_2-5_2-6_2-8_2-9_InText_102815.xlsx Page 1 of 1 TABLE 2-5 TRANSITION ZONE PROVISIONAL BACKGROUND CONCENTRATION SUMMARY ASHEVILLE STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC, ARDEN, NC Analytical Parameter Reporting Units NC21- Standard Transition Zone Background Concentration Range Provisional Background Concentration** pH S.U. 6.5-8.5 5.8 - 6.7 5.8 - 6.7 Boron Pg/I 700 ND ND Chloride mg/I 250 1.1 - 1.3 1.3 Chromium Pg/I 10 1.27 - 7.04 7.04 Chromium hexavalent pg/I NE 0.13j 0.13j Cobalt Pg/I 1* 1.66 - 2.54 2.54 Iron Ng/I 300 528 - 589 589 Manganese Pg/I 50 226 286 286 Nickel Pg/I 100 2.07 - 6.03 6.03 Nitrate mg/I 10 ND ND Nitrate (as N) mg-N/L 10 0.036 - 0.038 0.038 Selenium Pg/I 20 ND ND Strontium Ng/I NE 19 - 25 25 Sulfate mg/I 250 2.2 - 2.7 2.7 Thallium fag/I 0.2* ND ND TDS mg/I 500 37 - 44 44 Vanadium Ng/I 0.3* 0.34 - 0.416 0.416 rrepareu Dy: 1 UY l,neCKea Dy: I°IU/r%ub Notes: = Indicates comparative value for risk assessment and corrective action evaluation NE = Not Established ND = Not Detected mg/I = milligrams per liter pg/I = micrograms per liter mg-N/L = milligrams nitrogen per liter N = Nitrogen S.U. = Standard Unit j = Indicates concentration reported below Practical Quantitation Limit (PQL), but above Method Detection Limit (MDL) and therefore concentration is estimated. A single value in the range column indicates only one detected concentration *Interim Maximum Allowable Concentration (IMAC) of the 15A NCAC 02L Standard, Appendix 1, April 2013. **Provisional background concentration is the maximum observed background concentration. P:\Duke Energy Progress.1026\102. Asheville Ash Basin GW Assessment Plan\16.Corrective Action Plan\Tables\Tables 2-12- 4 2-5 2-6 2-8 2-9 InText 102815.xlsxTables 2-1 2-4 2-5 2-6 2-8 2-9 InText 102815.xlsx Page 1 of 1 TABLE 2-6 BEDROCK PROVISIONAL BACKGROUND CONCENTRAION SUMMARY ASHEVILLE STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC, ARDEN, NC Analytical Parameter Reporting Units NC21- Standard Bedrock Background Concentration Range Provisional Background Concentration** pH S.U. 6.5-8.5 6.3 - 7.7 6.3 - 7.7 Antimony pg/I 1* ND ND Arsenic iag/I 10 ND ND Boron lag/I 700 ND ND Chromium lag/I 10 ND ND Chromium (hexavalent) pg/I NE 0.014 - 0.12 0.12 Cobalt lag/I 1* ND ND Iron fag/I 300 47 - 402 402 Manganese iag/I 50 14 - 102 102 Selenium fag/I 20 ND ND Strontium iag/I NE 60 - 98 98 Sulfate mg/I 250 1.7 - 3.3 3.3 Thallium lag/I 0.2* ND ND TDS mg/I 500 72 - 96 96 Vanadium iag/I 0.3* 0.344 -0.499 0.499 vreparea oy: I up uneCkea oy: IVlu/KUb Notes: a= Indicates comparative value for risk assessment and corrective action evaluation NE = Not Established ND = Not Detected mg/I = milligrams per liter pg/I = micrograms per liter S.U. = Standard Unit *Interim Maximum Allowable Concentration (IMAC) of the 15A NCAC 02L Standard, Appendix 1, April 2013. **Provisional background concentration is the maximum observed background concentration. P:\Duke Energy Progress.1026\102. Asheville Ash Basin GW Assessment Plan\16.Corrective Action Plan\Tables\Tables 2-1_2-4_2-5_2-6_2-8_2-9_InText_102815.xlsxTables 2-1_2-4_2-5_2-6_2-8_2- 9_InText_102815.xlsx Page 1 of 1 TABLE 2-7 DUKE ENERGY PRIVATE BACKGROUND WELL SUMMARY ASHEVILLE STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC, ARDEN, NC Analytical Parameter Reporting Units NCAC 02L Standard Concentration Range Number of 2L or IMAC Exceedances H SI Units 6.5-8.5 6.87 - 7.21 0 Aluminum u /I NE 6 - 45 0 Antimony u /I 1* 1.02 - 1.18 4 Arsenic u /I 10 ND ND Barium u /I 700 5 - 36 0 Beryllium u /I 4* ND ND Boron u /I 700 ND ND Cadmium u /I 2 ND ND Calcium m /I NE 4.34 - 35.7 0 Chloride m /I 250 0.62 - 2.32 0 Chromium u /I 10 ND ND Chromium (hexavalent) ug/I NE 0.033 - 0.13 0 Cobalt ug/I 1* ND ND Copper m /I 1 0.006 - 0.061 0 Iron u /I 300 15 - 91 0 Lead u /I 15 3.09 0 Magnesium mg/I NE 0.646 - 4.88 0 Manganese u /I 50 8 0 Mercury ug/I 1 ND ND Molybdenum u /I NE ND ND Nickel ug/I 100 ND ND Potassium m /I NE 0.3 - 1.88 0 Selenium u /I 20 ND ND Sodium m /I NE 2.58 - 8.07 0 Strontium mg/I NE 0.027 - 0.1 0 Sulfate m /I 250 0.54 - 1.5 0 Thallium low level u /I 0.2* ND ND TDS m /I 500 42 - 76 0 TSS mg/I NE ND ND Vanadium low level u /I 0.3* 0.394 - 1.95 6 Zinc m I 1 0.007 - 0.05 0 Notes: NE = Not Established ND = Not Detected - = Insufficient data for calculation ug/I = microgram per liter Prepared by: KDB Checked by: TDP mg/I = milligram per liter A single value in the range column indicates only one detected concentration * - Interim Maximum Allowable Concentrations (IMACs) of the 15A NCAC 02L Standard, Appendix 1, April, 1, 2013. P:\Duke Energy Progress.1026\104. Lee Ash Basin GW Assessment\16.Corrective Action Plan\Tables\TableXX 2.10 Study Data Summary Page 1 of 1 TABLE 2-8 SURFACE WATER PROVISIONAL BACKGROUND CONCENTRATION SUMMARY ASHEVILLE STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC, ARDEN, NC Analytical Parameter NCAC 2B / EPA NRWQC NC21- Standard Background Concentration Range Provisional Background Concentration Human Health Ecological Aluminum 8,000 87 NE 61 - 1650 1650 Antimony 640 NE 1 ND ND Arsenic 10 NE 10 ND ND Boron NE NE 700 ND ND Cadmium NE 0.15 2 ND ND Chloride (mg/1) NE 230 250 2.1 - 11 11 Chromium NE 11 10 ND ND Cobalt 4 NE 1 ND ND Copper (dis) NE 2.7 NE 1.3 - 3.8 3.8 Fluoride NE NE 2 ND ND Iron NE NE 300 25 - 1580 1580 Lead NE 0.54 15 ND ND Manganese NE NE 50 8 - 68 68 Mercury NE 0.012 1 0.0032 - 0.0041 0.0041 Nitrate NE NE 10 2.5 - 12 12 Selenium NE 5 20 ND ND Strontium (dis) NE NE NE 18.0-32.0 32 Strontium 40000 NE NE 19.0-33.0 33 Sulfate (mg/1) NE NE 250 1.4 - 5.2 5.2 Thallium 0.47 NE 0.2 0.209 0.209 TDS (mg/1) NE NE 500 30 - 79 79 Vanadium NE NE 0.3 0.304 - 1.86 1.86 Zinc (dis) NE 36 NE 6.0-47.0 47.0 Zinc NE NE 1000 5 - 18 18 Prepared by: TDP Checked by: ARL Notes: O= Indicates comparative value for risk assessment and corrective action evaluation All concentrations are reported in ug/I, micrograms per liter, unless specified otherwise. mg/I = milligrams per liter All results reported as total concentrations unless other wise noted (dis) = Based upon measurement of dissolved recoverable metal NE = Not Established ND = Not Detected TDS = Total Dissolved Solids A single value in the range column indicates only one detected concentration P:\Duke Energy Progress.1026\102. Asheville Ash Basin GW Assessment Plan\16.Corrective Action Plan\Tables\Tables 2-1_2-4_2-5_2- 6 2-8 2-9 InText 102815.xlsx Page 1 of 1 TABLE 2-9 SEDIMENT PROVISIONAL BACKGROUND CONCENTRATION SUMMARY ASHEVILLE STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC, ARDEN, NC Analytical Parameter EPA R4- Freshwater Sediment Screening Value Background Concentration Range Provisional Background Concentration Aluminum 25000 2370 - 8290 8290 Antimony 2 ND ND Arsenic 9.8 ND ND Barium 20 21.9 - 70.1 70.1 Cadmium 1 ND ND Chromium 43.4 4.4 - 37.8 37.8 Cobalt 50 7.4 - 10.1 10.1 Copper 31.7 3.8 - 17.5 17.5 Iron 20,000 4690 - 23800 23,800 Manganese 460 86.2 - 324 324 Mercury 0.18 0.0099 j - 0.021 0.021 Nickel 22.7 2.4 - 13.1 13.1 Selenium 11 ND ND Zinc 121 25.2 - 69.6 69.6 Prepared by: TDP Checked by: EMB Notes F7 = Indicates comparative value to determine if corrective action evaluation is necessary All concentrations are reported in mg/kg, milligrams per kilogram < = Concentration less than method detection limit j = Indicates concentration reported below Practical Quantitation Limit (PQL), but above Method Detection Limit (MDL) and therefore concentration is estimated. ND = Not Detected A single value in the range column indicates only one detected concentration P:\Duke Energy Progress.1026\102. Asheville Ash Basin GW Assessment Plan\16.Corrective Action Plan\Tables\Tables 2-1_2-4_2-5_2-6_2-8_2-9_InText_102815.xlsx Page 1 of 1 TABLE 2-10 HEXAVALENT CHROMIUM ANALYTICAL RESULTS ASHEVILLE STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC, ARDEN, NC Analytical Parameter Cr(VI) Reporting Units ug/I Sample ID Sample Collection Date Analytical Results ALLUVIAL MW-20A 09/03/2015 <0.006 BACKGROUND SAPROLITE CB-09 09/09/2015 0.109 CB-09SL 09/08/2015 0.111 MW-24S 09/02/2015 0.152 SAPROLITE ABMW-02S 05/27/2015 0.054 ABMW-02S 09/01/2015 0.047 B ABMW-05S 05/26/2015 0.017 ABMW-05S 09/01/2015 <0.006 ABMW-07S 05/27/2015 0.232 ABMW-07S 09/03/2015 0.026 j MW-08S 05/27/2015 0.045 MW-08S 09/01/2015 0.026 B BACKGROUND TRANSITION ZONE CB-0113 09/08/2015 1 0.013j TRANSITION ZONE ABMW-04D 05/26/2015 0.02 ABMW-04D 09/08/2015 0.021j ABMW-05D 05/26/2015 0.016 ABMW-05D 09/01/2015 0.008 B GW-01D 05/28/2015 0.046 GW-01D 09/02/2015 0.042 B MW-05D 05/27/2015 0.021 MW-05D 09/02/2015 <0.006 MW-21D 06/30/2015 <0.021 MW-21D 09/01/2015 <0.006 MW-22D 06/30/2015 0.484 MW-22D 09/01/2015 0.432 MW-23DL 06/30/2015 <0.021 MW-23DL 09/03/2015 <0.006 MW-23DU 06/24/2015 0.022 MW-23DU 09/03/2015 0.065 BACKGROUND BEDROCK CB-09BR 05/28/2015 0.014 CB-09BR 09/08/2015 0.12 BEDROCK ABMW-05BR 05/27/2015 0.013 ABMW-05BR 09/01/2015 <0.006 GW-01BR 05/27/2015 0.059 GW-01BR 09/01/2015 0.009 B MW-22BR 06/30/2015 <0.021 MW-22BR 09/01/2015 <0.006 Prepared by: BER Checked by: TDP Notes: ug/1 = microgram per liter < = Concentration less than method detection limit P:\Duke Energy Progress.1026\102. Asheville Ash Basin GW Assessment Plan\16.Corrective Action Plan\Tables\Table 2-10 Asheville_Cr(VI)_AnalyticalResuIts _2015 10-27.xlsx Page 1 of 1 TABLE 2-11 SOIL EXCEEDANCES ASHEVILLE STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC, ARDEN, NC Analytical Parameter Aluminum Antimony Arsenic Barium Boron Cobalt Iron Manganese Molybdenum Selenium Strontium Thallium Vanadium Reporting Units mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg PSRG Industrial Health 100000 94 3 44000 46000 70 100000 5200 1200 1200 100000 2.4 1200 PSRG Residential Health 15000 6.2 0.67 3000 3200 4.6 11000 360 78 78 9400 0.16 78 PSRG Protection of Groundwater NE 45500 0.9 ND 5.8 4.8 580 347 45 54.9 0.9 83.4 150 60000 65 1010 NE ND 2.1 7 NE 6.8 0.28 1.8 6 112 Provisional Background Concentration Sample ID Sample Collection Date Analytical Results Background Analytical Results CB-01 SB (7-8) 04/10/2015 14100 <2.9 <2.9 57.2 <14.3 18 23400 279 <2.9 <2.9 <2.9 <2.9 27.3 CB-01 SB (30-31) 04/10/2015 10900 <3 2.4 j 30.1 <14.9 32.6 31700 434 <3 3.3 <3 <3 44.6 CB-01 SB (40-41) 04/10/2015 10000 <3.1 4.8 55.5 <30.8 42.6 26600 552 <3.1 5.9 1.9 j <3.1 20.9 CB-01 SB (46-47) 04/10/2015 11200 <2.7 2.7 21.1 <27.1 19.6 21900 189 <2.7 3.7 3.6 <2.7 17.5 CB-09 SB (1-2) 04/12/2015 16800 <3.6 2.3 j 49.7 <17.9 20.3 40300 599 <3.6 <3.6 2.1 j <3.6 55.9 CB-09 SB (25-27) 04/12/2015 12900 <3.1 <3.1 75 <15.3 23.7 40700 1010 <3.1 1 <3.1 <3.1 <3.1 65.2 CB-09 SB (34-36) 04/12/2015 13600 <3.2 <3.2 38.5 <16 15.4 31000 694 <3.2 <3.2 <3.2 <3.2 28.4 CB-09 SB (54-55) 04/12/2015 24300 <3.3 4.3 185 <16.7 32.6 48800 929 <3.3 5.1 2 j 1.8 j 112 MW-24 SB (1-2) 05/04/2015 21500 <7 4.6 j 125 36.6 40.2 35100 728 <7 7 6.8 <7 66.4 MW-24 SB (15-16) 05/05/2015 45500 <6.3 <6.3 347 54.9 83.4 60000 725 <6.3 4.6 j 5.9 j <6.3 77.4 Analytical Results AB-01 (24-25) 03/12/2015 15900 <2.8 1.9 j 88.5 22.7 10.2 27500 191 <0.55 2.6 j 2.4 <2.8 25.2 AB-01 (30-31) 03/12/2015 53700 <3.1 1.6 j 678 38.7 49.3 53100 2190 <3.1 3.2 7.2 <3.1 71.4 AB-09 SB (38-39) 04/06/2015 32000 <6 25.5 62.8 <15.1 26.5 43100 344 6.4 <6 27.9 <6 30.3 AB-09 SB (46-47) 04/06/2015 20700 <7 <7 149 <17.4 39.7 60700 942 44.6 5.11 27.4 <7 78 AB-09 SB (56-59) 04/06/2015 21200 <7.7 <7.7 86.7 <19.3 17.2 33600 352 <0.77 <7.7 12.4 j <7.7 29.1 AB-10 SB (6-7) 03/25/2015 17800 <3.9 4.6 29.2 22.6 6.8 24200 197 <3.9 7.1 <3.9 <3.9 14.2 AB-10 SB (14-15) 03/25/2015 17500 <3 6.4 1 70.8 26.41 1 18.4 24600 1 266 <3 10.6 2.1 j <3 20.7 ABMW-02 SB (33-34) 03/10/2015 6880 <2.9 28.9 47.7 8.6 10.3 9480 93.2 1.1 10.3 10.4 <2.9 17.6 ABMW-02 SB (40-41) 03/10/2015 15500 <3.3 2.9 j 140 13.3 59.2 17000 1140 <0.65 4.4 4.8 <3.3 36.9 ABMW-04 SB (63-65) 03/20/2015 25700 <3 2.4 j 276 <29.8 15.4 28700 266 <6 4.5 7.6 <3 30.9 ABMW-05 SB (2-3) 03/25/2015 35600 <2.9 7 255 45 59.6 48500 631 <2.9 4.2 33.1 <2.9 62.4 ABMW-05 SB (12-13) 03/25/2015 18700 <3.3 2.7 j 87.5 48.5 53.5 52600 681 <0.65 2.7 j 2.1 <3.3 81 ABMW-05 SB (25-27) 03/25/2015 15700 <4.4 4.7 34.1 45.2 8.3 49200 128 <4.4 7.1 5.8 <4.4 11.5 ABMW-05 SB (36.5-37) 03/25/2015 19500 <3.3 3.1 j 65.6 <3.3 36.9 64600 194 1.6 4.9 7.3 <3.3 51.2 ABMW-06 (5-7) 03/24/2015 30500 <2.9 2.2 j 118 18.3 65.3 18000 830 <2.9 3.4 4.4 <2.9 39 ABMW-06 (13-14) 03/24/2015 21200 <2.7 3.4 88.3 29.8 9.6 32300 126 <2.7 5.6 3.1 <2.7 21.2 ABMW-07 SB (14-16) 04/07/2015 38900 <7.2 <7.2 116 <35.8 206 54000 2200 42.3 3.9 j 31 <7.2 39.2 ABMW-07 SB (26-27) 04/07/2015 25800 <5.6 5.5 j 182 <141 25 46700 854 <11.3 10 <11.3 <5.6 38.8 ABMW-08 SB (30-31) 03/10/2015 14900 <3 1 6.3 65.8 17.9 7.6 19200 163 0.38 j 2.8 j 9.8 <3 28.7 CB-08 SB (2-3) 04/22/2015 20100 <5.6 2.9 j 87.5 23.3 4.5 j 23300 99.5 <2.8 <5.6 3.1 <5.6 36.1 CB-08 SB (21-22) 04/22/2015 27700 <5.3 <5.3 230 32.8 23.5 32300 569 <5.3 3.71 7.2 <5.3 36 CB-08 SB (27-29) 04/22/2015 40100 <6.1 <6.1 356 50 32.3 45600 1020 <3 3.9 j 1.6 j <6.1 50.3 CB-08 SB (34-36) 04/22/2015 28300 <5.5 <5.5 232 31.5 22.9 36400 570 <2.8 2.81 10.1 <5.5 31.7 GW-01 SB (1-2) 04/25/2015 21400 <6.3 3.7 j 157 1 31.4 18.6 1 33000 486 <3.1 1 <6.3 18.1 <6.3 39.9 GW-01 SB (17-18) 04/25/2015 12900 <5.7 <5.7 91.2 18.6 8 19900 226 <2.9 <5.7 <2.9 <5.7 24.5 GW-01 SB (23-23.5) 04/25/2015 12100 <6.2 <6.2 65.6 24.5 51.5 26400 631 <3.1 <6.2 <3.1 <6.2 12 GW-01 SB (35-38) 04/25/2015 40100 <6.9 <6.9 359 40.2 85 45000 3730 <3.5 <6.9 <3.5 <6.9 67.2 MW-01 SB (1-2) 04/02/2015 21600 <6.2 <6.2 36.4 <62.3 228 108000 4000 <12.5 4.5 j <12.5 <6.2 15.8 MW-01 SB (7-8) 04/02/2015 34800 <6.8 <6.8 76.1 <17 85.7 53800 2070 <3.4 <6.8 8.9 <6.8 35.3 MW-01 SB (12-13) 04/02/2015 25900 <7.3 <7.3 35 <18.2 1 41.8 62400 1 1530 <3.6 <7.3 1.8 j <7.3 34.7 MW-01 SB (38-40) 04/02/2015 17500 <6.5 <6.5 43 <16.4 25.6 57600 179 <3.3 <6.5 4.2 <6.5 19.1 MW-02 SB (1-2) 03/20/2015 9800 <3.1 60.5 371 9.21 9.7 11200 147 0.54 j 8.3 161 <3.1 49.6 MW-02 SB (11-13) 03/20/2015 19100 <3.6 5 104 <35.6 20.4 53400 265 <7.1 8.9 27.4 <3.6 57.1 MW-02 SB (17-19) 03/20/2015 9550 <3.1 <3.1 76.7 <31.4 8.3 11700 241 <0.63 2.3 j 3.1 <3.1 25.1 MW-02 SB (27-29) 03/20/2015 22600 <3.4 2.6 j 101 <33.6 18.3 28400 293 <6.7 5.1 <6.7 <3.4 29.7 MW-03 SB (1-2) 03/25/2015 16800 <3 2.9 j 93.5 25.5 1 7.7 27000 1 135 <0.6 1.9 j 2.3 <3 28.8 MW-03 SB (20-22) 03/25/2015 24000 <2.6 3.6 136 31.3 16.4 32800 325 <2.6 6 5.2 <2.6 17.7 MW-03 SB (28-30) 03/25/2015 13900 <2.8 3.2 56.4 28.3 16 29900 109 <2.7 5.3 3.6 <2.8 13.5 MW-04 SB (2-3) 03/12/2015 8700 <3.5 91.5 444 19.3 9.1 6220 60.1 1.2 16.9 141 <3.5 58.2 MW-04 SB (8-10) 03/12/2015 10900 <3.2 16.1 166 25.1 10.8 20500 334 1.1 3.6 46 <3.2 39.1 MW-04 SB (24-25) 03/12/2015 20700 <3.4 1.8 j 220 10.8 j 6.6 12900 71.8 <3.4 2.4 j 3.7 <3.4 26.4 MW-04 SB (37-39) 03/12/2015 6580 <3 5.6 31.5 15.9 j 1 5.5 19300 1 85.7 <6 10.4 <6 <3 4.7 MW-05 SB (2-3) 04/25/2015 25500 <6.4 <6.4 90.2 31.4 16.3 33400 197 <3.2 <6.4 12.8 <6.4 35.6 MW-05 SB (13-14) 04/25/2015 18100 <5.5 <5.5 64.3 40.1 9 44500 210 <2.7 <5.5 7.8 <5.5 10 MW-06 SB (3-5) 04/10/2015 17800 <3.1 <3.1 69 <15.6 23.1 30700 402 <3.1 2.1 j <3.1 <3.1 30 MW-06 SB (8-10) 04/10/2015 21200 <3.1 <3.1 176 <15.6 20.3 29300 286 <3.1 1.61 2.2 j <3.1 28.1 MW-06 SB (21-22) 04/10/2015 13000 <2.4 <2.4 101 <12.1 8.4 24900 525 <2.4 <2.4 6 <2.4 22.7 MW-07 SB (1-2) 04/07/2015 18600 <7.5 <7.5 85.9 <18.7 1 10.7 18600 1 162 0.82 <7.5 2.3 <7.5 39.4 MW-07 SB (10-11) 04/07/2015 13300 <7 3.6 j 103 <17.6 18.3 53200 669 <0.7 <7 19.4 <7 26.7 MW-07 SB (16-17) 04/07/2015 8750 <6.9 <6.9 136 <17.2 6.5 j 12700 257 0.55 j <6.9 5.6 <6.9 17.7 MW-08 SB (1.5-2) 02/27/2015 27800 <1.3 <13.5 38.7 <33.6 39.4 65200 931 <6.7 <13.5 <6.7 <1.3 75 MW-08 SB (36-37) 02/27/2015 19800 <1.3 4.4 199 <32.7 30.3 27100 806 <6.5 7.4 19.4 0.76 j 42.5 MW-08 SB (42-43) 02/27/2015 27600 <1.1 3.7 310 <27.8 15.7 44200 459 <5.6 5 9.7 0.99 j 55.2 MW-09 SB (1-2) 03/31/2015 34200 <6.7 <6.7 1 75.2 <16.7 29.6 39200 548 <3.3 <6.7 2.4 j <6.7 48.6 MW-09 SB (12-17) 04/14/2015 37000 <5.5 <5.5 351 <27.3 33.7 54600 1170 <2.7 <5.5 4.4 <5.5 171 MW-09 SB (19-20) 04/14/2015 27300 <5.6 <5.6 288 <14.1 27 37400 950 <2.8 <5.6 6.1 <5.6 104 MW-09 SB (33-34) 04/14/2015 24900 <5.6 <5.6 173 <14 21.6 17800 230 <2.8 <5.6 11.9 <5.6 35.4 MW-11 SB (1.5-2) 02/04/2015 18100 <1 1.4 j 112 20.4 j 10.1 20900 190 <5.2 1.6 j 3.6 j <1 26 MW-11 SB (9.5-10) 02/04/2015 18600 <0.98 <2.5 86.7 14.1 j 5.5 14000 120 <4.9 1.3 j <4.9 <0.98 36 MW-11 SB (13.5-14) 02/04/2015 18700 <1 <2.5 185 21.8 j 13.8 23300 285 <5.1 <2.5 12.3 0.52 j 23.3 MW-11 SB (26.5-27) 02/04/2015 16800 <1 <2.6 209 23.6 j 10.6 24300 247 <5.2 <2.6 12.2 0.55 j 31.5 MW-12 SB (1.5-2) 03/16/2015 26200 <3.2 3.6 205 <32 24 32500 664 <6.4 5.1 31.6 <3.2 35.3 MW-12 SB (36-38) 03/16/2015 20200 <5.8 8.6 205 <57.5 35.3 50400 2940 <11.5 10.6 <23 <5.8 73.7 MW-12 SB (42-43) 03/16/2015 6020 <2.6 4.6 54.3 <26.1 48 37800 2440 <5.2 5.2 <10.4 <2.6 34.2 MW-12 SB (52-54) 03/16/2015 8930 <2.9 <2.9 146 <14.4 5.4 16900 1 248 <0.57 1.7 j <11.5 <2.9 17.9 MW-13 SB (1.5-2) 01/29/2015 12700 <1 <2.5 36.3 36.4 11 36200 215 <0.5 <2.5 1.8 <1 45 MW-13 SB (14.5-15) 01/29/2015 32700 <1 <2.5 172 36.2 9.4 39200 226 <5.1 2.4 j <5.1 <1 48.7 MW-13 SB (22-22.5) 01/29/2015 26100 <1 1.5 j 209 27.3 16.1 28900 336 <5.1 4.3 3.2 j 0.52 j 39.3 MW-13 SB (37-37.5) 01/29/2015 18800 <0.96 <2.4 158 18.3 j 6.1 18700 284 <4.8 1.81 5.8 <0.96 1 15.9 MW-14 SB (1.5-2) 02/03/2015 21000 <1 2.2 j 113 31.1 31.8 32200 616 <5 2.9 1 <5 <1 41.5 MW-14 SB (23-24) 02/03/2015 16300 <0.97 <2.4 238 28.4 13 29400 492 <4.9 1.3 j 8.6 0.83 j 27.7 MW-15 SB (1.5-2) 1 02/06/2015 1 10200 <1.6 <1.6 59.9 <4 5.3 8710 161 1 <0.79 1 <1.6 2.3 <1.6 16.4 MW-15 SB (1.5-2) DUP 1 02/06/2015 1 8940 <1.3 <1.3 51 <3.2 5 7570 137 1 <0.64 1 <1.3 2 <1.3 15.5 P:\Duke Energy Progress.1026\102. Asheville Ash Basin GW Assessment Plan\16.Corrective Action Plan\Tables\Table 2-11 Exceedances in Soil.xlsx Page 1 of 2 IF-3.144WIIII SOIL EXCEEDANCES ASHEVILLE STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC, ARDEN, NC Analytical Parameter Aluminum Antimony Arsenic Barium Boron Cobalt Iron Manganese Molybdenum Selenium Strontium Thallium Vanadium Reporting Units mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg PSRG Industrial Health 100000 94 3 44000 46000 70 100000 5200 1200 1200 100000 2.4 1200 PSRG Residential Health 15000 6.2 0.67 3000 3200 4.6 11000 360 78 78 9400 0.16 78 PSRG Protection of Groundwater NE 45500 0.9 ND 5.8 4.8 j 580 347 45 54.9 0.9 83.4 150 600500 65 1010 NE ND 2.1 7 NE 6.8 0.28 1.8 6 112 Provisional Background Concentration Sample ID Sample Collection Date Analytical Results MW-15 SB (14-14.5) 02/06/2015 12700 <1.1 <1.1 168 <2.8 10.7 16200 231 <0.57 <1.1 12.4 <1.1 27.4 MW-15 SB (33.5-34) 02/06/2015 12800 <1.3 1.3 181 <16.2 13.5 18500 473 <0.65 2 12.6 <1.3 27.7 MW-16 SB (1.5-2) 03/05/2015 6330 <1.5 <1.5 26.4 3.9 2.7 6590 81.2 <0.73 <1.5 1.2 <1.5 11.3 MW-16 SB (7-9) 03/05/2015 16000 <1.4 1.5 62.6 <17.7 5.4 14900 151 <0.71 1.5 3 <1.4 31.1 MW-16 SB (12-13) 03/05/2015 2130 <1.2 <1.2 5.9 2.1 j <1.2 3580 13.4 <0.59 <1.2 0.36 j <1.2 4.1 MW-17 SB (1.5-2) 02/12/2015 11500 <1.4 3.9 58.6 <3.4 5.4 11900 160 1.4 1.7 7.1 <1.4 23.6 MW-17 SB (6.5-7) 02/12/2015 12300 <1.5 <1.5 61.3 <3.7 5.1 14800 112 <0.73 <1.5 3.8 <1.5 25.4 MW-17 SB (8.5-9) 02/12/2015 6570 <1.2 <1.2 48.4 <2.9 3.8 5920 38.3 <0.58 <1.2 2.5 <1.2 11.4 MW-18 SB (1-1.5) 04/22/2015 9180 <6.5 <6.5 39.4 <16.2 3.6 j 9190 77.2 <3.2 <6.5 2.6 j <6.5 12.7 MW-18 SB (6-7) 04/22/2015 8870 <7.1 <7.1 37 <17.8 3.6 j 9930 85.6 <3.6 <7.1 2.6 j <7.1 14.1 MW-18 SB (20-22) 04/22/2015 14700 <4.9 <4.9 1 242 26.9 11.8 28200 1 165 <2.4 <4.9 10.5 1 <4.9 41.4 MW-19 (2-3) 06/11/2015 12600 <6.9 <6.9 44 <17.3 4.4 j 11700 114 <3.5 <6.9 5.7 <6.9 17.9 MW-19 (5-6) 06/11/2015 11000 <6.6 <6.6 72.9 <16.6 11.6 16100 159 <3.3 <6.6 4.8 <6.6 17.6 MW-20S (2-3) 06/12/2015 6020 <7.5 <7.5 35.5 <18.9 7.3 j 5910 70.7 <3.8 <7.5 3.1 j <7.5 11.5 MW-20S (5-6) 06/12/2015 57900 <7.6 <7.6 179 <191 <7.6 24400 1530 <38.2 <7.6 62.7 <7.6 9.2 MW-21SB (2-3) 06/23/2015 13300 <6.7 <6.7 62.7 <16.6 4.5 j 11800 70.2 <3.3 <6.7 11.4 <6.7 16.9 MW-21SB (7-8) 06/23/2015 41500 <6.6 4.2 j 1 195 <32.8 223 79300 14350 <3.3 7.4 7.9 <6.6 82.9 MW-22 (1-2) 06/23/2015 15100 <5.9 3 j 112 <14.7 1 9.7 17600 716 <2.9 <5.9 3.4 <5.9 25.6 MW-22 (7-8) 06/23/2015 49600 <7.6 <7.6 197 <18.9 13.5 58500 110 <3.8 <7.6 3 j <7.6 43.2 MW-22 (10-11) 06/23/2015 17200 <6.3 <6.3 74.8 <15.7 14 41800 158 <3.1 <6.3 3 j <6.3 16.6 MW-23BR (2-3) 06/14/2015 13900 <6.3 <6.3 60.5 <15.7 4.1 j 20800 70.4 <3.1 <6.3 3.5 <6.3 26.9 MW-23BR (6-7) 06/14/2015 11000 <5.6 <5.6 51.5 <14.1 <5.6 18300 67.8 1 <2.8 <5.6 1.9 j <5.6 1 12.9 Prepared by: BER/SRW Checked by: TDP Notes: Constituent exceeds Inactive Hazardous Sites Branch Preliminary Soil Remediation Goals (PSRG) Table September 2015 0 - Total metal concentration less than appropriate comparative value in bold (21L, IMAC, or Provisional background) DUP = duplicate mg/kg = milligram per kilogram NE = Not established j = indicates concentration reported below Practical Quantitation Limit (PQL), but above Method Detection Limit (MDL) and therefore concentration is estimated < = results below the practical quantitation limit (PQL) ND = Not Detected P:\Duke Energy Progress.1026\102. Asheville Ash Basin GW Assessment Plan\16.Corrective Action Plan\Tables\Table 2-11 Exceedances in Soil.xlsx Page 2 of 2 TABLE 2-12 ALLUVIAL GROUNDWATER EXCEEDANCES ASHEVILLE STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC, ARDEN, NC Analytical Parameter PH Cond DO Eh Turbidity Boron Cadmium Chloride Cobalt Iron Manganese Selenium Strontium Sulfate Thallium Total Dissolved Solids Vanadium Zinc Reporting Units S.U. umhos/cm mg/I mV NTUs ug/I ug/I mg/I ug/I ug/I ug/I ug/I ug/I mg/I ug/I mg/I ug/I ug/I 15A NCAC 02L Standard 6.5-8.5 NE NE NE NE 700 2 250 1* 300 50 20 NE 250 0.2* 500 0.3* 1000 Provisional Background Concentrations 4.6-8.5 NE NE NE NE ND ND 8.9 6.11 1040 573 ND 24 0.63 0.2 55 ND 85 Sample ID Sample Collection Date Field Parameters Analytical Results Background Field Parameters Background Analytical Results MW-10 03/05/2014 5.4 72 5.94 NM 2.9 <50 <1 4.4 3.18 207 187 <1 NA 0.63 <0.2 55 NA 29 MW-10 04/17/2014 5.0 68 0.3 NM 2.9 <50 <1 8.3 NA 1040 573 <1 NA 0.41 <0.2 48 NA 17 MW-10 07/23/2014 4.6 67 0.38 NM 0.93 <50 <1 8.4 <5 375 331 <1 NA 0.58 <0.2 44 NA 12 MW-10 11/04/2014 NM NM NM NM NM NA <1 NA 6.11 675 555 <1 NA NA <0.2 NA NA 17 MW-10 05/12/2015 5.0 1 64 1 0.96 1 2521 4.09 <50 <1 1 8.9 4.29 369 340 1 <1 1 24 1 0.3 <0.2 44 1 <0.3 85 Sample ID Sample Collection Date 2015 Field Parameters 2015 Analytical Results CB-05 04/06/2015 6.7 216 0.51 176 9.16 142 <1 22 <1 19600 594 <1 NA 15 0.239 150 NA <5 CB-05 07/09/2015 6.0 230 0.95 117 3.99 209 <1 27 <1 25400 488 <1 33 8.9 <0.2 150 0.855 <5 CB-06 04/06/2015 6.0 525 1.3 241 8.53 609 <1 37 1.42 14600 3330 <1 NA 170 <0.2 360 NA <5 CB-06 07/08/2015 5.9 745 0.6 112 4.19 807 <1 150 2.21 22000 3950 <1 409 110 <0.2 520 <0.3 <5 CB-07 4/6/2015 5.9 456 6.2 270 0.78 233 <1 95 <1 <10 <5 21.3 NA 36 <0.2 310 NA <5 CB-07 07/08/2015 5.8 276 4.45 271 1.13 263 <1 36 <1 <10 <5 14.6 172 56 <0.2 190 0.574 <5 MW-11 05/20/2015 5.0 346 1.98 298 1.01 <50 <1 73 2.14 <10 407 <1 96 25 <0.2 220 <0.3 <5 MW-15A 03/04/2015 5.4 188 2.86 252 3.28 61 <1 43 1.25 879 1060 <1 120 5.3 <0.2 120 <0.3 7 MW-15A 05/20/2015 4.9 167 0.41 356 4.73 54 <1 34 <1 217 840 <1 102 5.3 <0.2 99 <0.3 <5 MW-16A 03/11/2015 5.3 400 0.88 240 0.63 303 <1 93 1.01 522 1980 <1 184 33 <0.2 260 <0.3 <5 MW-16A 05/28/2015 5.0 432 0.51 217 3.17 354 <1 97 1.35 248 1940 <1 203 33 <0.2 350 <0.3 <5 MW-16A DUP 03/11/2015 5.3 400 0.88 240 0.63 302 <1 92 1.1 538 2000 <1 186 36 <0.2 260 <0.3 <5 MW-17A 03/03/2015 6.3 1331 1.24 227 9.4 1060 <1 330 26.3 8970 12800 <1 507 140 <0.2 1300 0.401 19 MW-17A 05/21/2015 6.2 1573 0.49 42 6.72 1540 <1 390 25.8 40600 11900 <1 536 160 <0.2 1200 2.63 48 MW-20A 06/24/2015 6.0 707 0.68 112 2.43 641 2.01 23 16.4 16300 15800 1.18 548 220 <0.2 480 0.328 10 MW-20A 09/03/2015 6.0 506 0.73 296 3.94 727 <1 24 <1 3180 10400 <1 352 784<0.2 330 0.458 <5 Sample ID Sample Collection Date Historical Field Parameters Historical Analytical Results CB-05 11/18/2010 NM 210 NM NM 6.46 283 <0.08 23.3 NA 24100 415 <10 NA 31.5 <0.1 163 NA <10 CB-05 04/12/2011 5.8 235 0.67 86 3.24 169 <0.08 35.4 NA 22700 424 <10 NA 19.9 <0.1 112 NA <10 CB-05 07/14/2011 5.8 268 0.54 111 2.36 295 <0.08 32.3 b NA 23600 397 <10 NA 21 b <0.1 152 b NA <10 CB-05 11/08/2011 5.8 252 1.29 84 9.27 296 <0.08 28 NA 17400 395 <10 NA 25.9 <0.1 165 NA <10 CB-05 04/11/2012 5.9 232 0.55 119 8.49 130 <0.08 25.9 NA 19300 391 <10 NA 11.5 <0.1 134 NA <10 CB-05 07/17/2012 5.9 241 0.57 189 7.97 265 <0.08 26.5 NA 20200 329 <10 NA 17.1 <0.1 141 NA <10 CB-05 11/16/2012 6.0 203 2.48 302 3.08 241 <0.08 26.1 NA 13800 295 <10 NA 6.9 <0.1 123 NA <10 CB-05 04/04/2013 5.8 203 2.03 263 3.04 149 <1 18 NA 13400 283 <1 NA 6.2 <0.2 130 NA <5 CB-05 07/02/2013 5.6 215 0.46 86 2.61 176 <1 15 NA 18500 341 <1 NA 2.6 <0.2 140 NA <5 CB-05 11/06/2013 5.9 196 0.27 215 3.2 186 <1 16 NA 20400 382 <1 NA 5.3 <0.2 120 NA <5 CB-05 04/17/2014 6.0 202 0.3 225 5.1 117 <1 16 NA 21300 466 <1 NA 9.2 <0.2 140 NA <5 CB-05 07/10/2014 6.1 237 0.54 193 5.5 1 182 <1 22 NA 27400 438 <1 NA 3 <0.2 150 NA <5 CB-05 07/24/2014 5.9 226 1 0.24 1 NMI 7.15 1 187 1 <1 1 21 1 <5 1242001 434 1 <1 I NA 1 1.4 1 <0.2 1 150 1 NA <5 P:\Duke Energy Progress.1026\102. Asheville Ash Basin GW Assessment Plan\16.Corrective Action Plan\Tables\Table 2-12 Exceedances in Alluvial GeoUnit.xlsx Page 1 of 2 TABLE 2-12 ALLUVIAL GROUNDWATER EXCEEDANCES ASHEVILLE STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC, ARDEN, NC Analytical Parameter PH Cond DO Eh Turbidity Boron Cadmium Chloride Cobalt Iron Manganese Selenium Strontium Sulfate Thallium Total Dissolved Solids Vanadium Zinc Reporting Units S.U. umhos/cm mg/I mV NTUs ug/I ug/I mg/I ug/I ug/I ug/I ug/I ug/I mg/I ug/I mg/I ug/I ug/I 15A NCAC 02L Standard 6.5-8.5 NE NE NE NE 700 2 250 1* 300 50 20 NE 250 0.2* 500 0.3* 1000 Provisional Background Concentrations 4.6-8.5 NE NE NE NE ND ND 8.9 6.11 1040 573 ND 24 0.63 0.2 55 ND 85 Sample ID Sample Collection Date Historical Field Parameters (continued) Historical Analytical Results (continued) CB-05 11/04/2014 5.9 255 0.4 220 15.3 214 <1 23 NA 24700 476 <1 NA 17 <0.2 150 NA 6 CB-06 11/18/2010 NM 689 NM NM 3.99 918 <0.08 38.9 NA 24600 3430 <10 NA 378 <0.1 642 NA <10 CB-06 04/12/2011 5.4 1247 0.71 100 2.92 758 <0.08 40 NA 32700 5060 <10 NA 715 <0.1 1070 NA <10 CB-06 07/14/2011 5.6 1090 1.21 159 2.12 918 <0.08 65.4 NA 37600 4720 <10 NA 428 <0.1 789 NA 14.1 CB-06 11/08/2011 5.5 930 2.42 145 6.59 985 <0.08 55.3 NA 28300 7080 <10 NA 353 <0.1 686 NA <10 CB-06 04/10/2012 5.6 737 1.77 143 3.05 758 <0.08 1 42.4 NA 17500 4250 <10 NA 304 <0.1 621 NA <10 CB-06 07/17/2012 5.7 604 1.39 285 6.65 759 0.11 22.5 NA 10400 2050 <10 NA 174 <0.1 346 NA <10 CB-06 11/16/2012 5.2 602 3.96 460 9.55 702 0.14 21.9 NA 3410 3060 <10 NA 207 <0.1 406 NA <10 CB-06 04/04/2013 5.8 429 1.29 262 6.42 639 <1 13 NA 7720 1660 <1 NA 140 <0.2 250 NA <5 CB-06 07/02/2013 5.5 407 1.63 190 4.9 865 <1 11 NA 7250 1500 <1 NA 110 <0.2 240 NA 6 CB-06 11/06/2013 6.0 343 2.1 254 8.8 781 <1 13 NA 5610 1630 <1 NA 100 <0.2 210 NA <5 CB-06 04/17/2014 6.0 511 1 356 5.8 629 <1 29 NA 15400 2690 <1 NA 190 <0.2 360 NA <5 CB-06 07/10/2014 5.9 607 0.4 245 5.3 827 <1 63 NA 18100 2620 <1 NA 160 <0.2 400 NA <5 CB-06 07/24/2014 5.9 604 0.45 NM 9.02 830 <1 61 <5 17800 2640 <1 NA 160 <0.2 390 NA <5 CB-06 11/04/2014 5.9 582 1.48 288 5.78 806 <1 43 NA 14600 3010 <1 NA 210 <0.2 400 NA <5 CB-06 DUP 04/12/2011 5.4 1247 0.71 100 2.92 706 <0.08 41.9 NA 32900 5080 <10 NA 694 <0.1 1050 NA <10 CB-06 DUP 11/04/2014 5.9 582 1.48 288 5.78 808 <1 41 NA 16000 3110 <1 NA 220 <0.2 410 NA <5 CB-07 11/18/2010 NM 419 NM NM 0 259 0.22 121 NA 342 236 <10 NA 53.5 <0.1 319 NA <10 CB-07 11/08/2011 5.5 643 4.8 153 1.19 282 0.14 159 NA 65.3 95.5 <10 NA 49.6 <0.1 372 NA <10 CB-07 07/17/2012 5.4 538 0.99 408 0.71 270 <0.08 152 NA <50 130 <10 NA 66.9 <0.1 311 NA <10 CB-07 11/06/2013 5.7 384 3.2 267 7 240 <1 68 NA 816 47 1.92 NA 42 <0.2 210 NA <5 MW-11 03/05/2014 5.7 365 6.87 NM 0.8 <50 <1 73 2.99 78 221 <1 NA 27 <0.2 240 NA 20 MW-11 04/17/2014 5.3 342 3.2 NM 0.5 <50 <1 80 NA <10 577 <1 NA 19 <0.2 210 NA 10000 Prepared by: BER/SRW Checked by: TDP Notes - Total metal concentration greater than 2L or IMAC and maximum concentration from background data set - Total metal concentration less than appropriate comparative value in bold (2L, IMAC, or Provisional background) ug/I = microgram per liter DO = Dissolved Oxygen my = millivolts Eh = Redox potential ORP = Oxidation Reduction Potential Deg C = Degree Celsius NE = Not established NTU = nephelometric turbidity unit ft = feet DUP = Duplicate S.U. = Standard Unit ND = Not determined Spec Cond = Specific Conductance umhos/cm = micro mhos per centimeter NM = Not measured Temp = Temperature mg/I = milligrams per liter NA = Not analyzed * - Interim Maximum Allowable Concentrations (IMACs) of the 15A NCAC 02L Standard, Appendix 1, April, 1, 2013 P:\Duke Energy Progress.1026\102. Asheville Ash Basin GW Assessment Plan\16.Corrective Action Plan\Tables\Table 2-12 Exceedances in Alluvial GeoUnit.xlsx Page 2 of 2 TABLE 2-13 SAPROLITE GROUNDWATER EXCEEDANCES ASHEVILLE STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC, ARDEN, NC Analytical Parameter pH �o�d DO Eh Turbidity Antimony Arsenic Beryllium Boron Cadmium Chloride Chromium Cobalt Iron Lead Manganese Nickel Nitrate Selenium Strontium Sulfate Thallium Total Dissolved Solids Vanadium Reporting Units S.U. u/gyms mg/I mV NTUs ug/I ug/I ug/l ug/I ug/I mg/I ug/I ug/l ug/l ug/l ug/I ug/I mg/l ug/I ug/I mg/I ug/l mg/I ug/I SSA NCAC 02L Standard 6.5-8.5 NE NE NE NE 1* 10 4* 700 2 250 10 1* 300 15 50 100 10 20 NE 250 0.2* Soo 0.3* Provisional Background Concentrations 4.4-5.8 79 9.4 604 9.16 NO ND ND NO NO 13 15 2.05 3797 6 126 10 1.8 1.22 37 0.62 0.12 66 NO Sample ID Sample Collection Date Field Parameters Analytical Results Background Field Parameters Background Analytical Results CB-01 11/17/2010 4.6 15 NM NM 9.16 <0.5 <5 NA <50 <0.08 <5 <5 NA 1160 <5 46.3 15 0.51 <10 NA <5 <0.1 <25 NA CB-01 04/12/2011 4.4 18 7.57 331 4.81 <0.5 <5 NA <50 <0.08 <5 <5 NA 589 <5 36.3 <5 0.43 <10 NA <5 <0.1 <25 NA CB-01 0711912011 4.8 17 7.16 201 17.6 <0.5 <5 NA 51.1 <0.08 <5 81.5 NA 1330 <5 43 53 b 0.43 <10 NA <5 <0.1 <25 NA CB-01 1110912011 5.4 19 8.36 119 20.9 <0.5 6.7 NA <50 <0.08 <5 8.7 NA 17800 6 293 12 0.42 <10 NA <5 <0.1 93 NA CB-01 04/03/2013 4.5 20 7.89 340 4.78 <1 <1 NA <50 <1 1.5 15 NA 98 <1 27 10 0.43 <1 NA <0.1 <0.2 <10 NA CB-01 07/01/2013 5.3 24 8.75 265 9.2 <1 <1 NA <50 <1 1.7 <5 NA 2870 <1 67 <5 0.42 1.22 NA <0.1 <0.2 <25 NA CB-01 11/05/2013 4.5 18 9.4 618 12 <1 <I NA <50 <1 1.6 <5 NA 664 <1 33 <5 0.42 <1 NA 0.15 <0.2 <25 NA CB-01 04/07/2015 4.9 17 8.68 341 6.74 <1 <1 <1 <50 <1 1.6 <5 1.94 279 <1 26 <5 0.42 <1 NA 0.36 <0.2 31 NA CB-01 07/06/2015 4.7 20 8.34 366 3.82 <3 <1 <1 <50 <1 1.7 <5 1.95 86 <1 25 <5 1.8 <1 <5 0.61 <0.2 <25 <0.3 CB-09 11/15/2012 5.0 46 1.66 604 8.42 <0.5 <5 NA <50 <0.08 6.8 <5 NA 2880 <5 105 <5 0.38 <10 NA <2 0.12 <25 NA CB-09 04/03/2013 4.9 40 7.8 317 2.01 <3 <1 NA <50 <3 6.5 <5 NA 370 <1 67 <5 0.33 <1 NA 0.2 <0.2 42 NA CB-09 07/01/2013 5.3 1 48 1.9 1 243 1 8.43 <1 <1 NA <50 <1 6.4 6 NA 2080 <1 92 6 0.33 1.12 NA 0.11 <0.2 26 NA CB-09 11/05/2013 4.7 38 2.8 583 8.7 <1 <1 NA <50 <1 6.8 <5 NA 883 <1 60 <5 0.34 <1 NA 0.21 <0.2 1 28 NA CB-09 07/09/2014 4.8 38 2.59 558 5.3 <1 <1 NA <50 <1 6.8 <5 NA 531 <1 47 <5 0.35 <1 NA 0.12 <0.2 28 NA CB-09 11/03/2014 4.9 47 2.01 433 8.34 <I <1 NA <50 <3 6.9 <5 NA 341 <1 41 <5 0.29 <1 NA 0.14 <0.2 26 NA CB-09 04/07/2015 5.0 38 2.24 319 8.79 <1 <I <1 <50 <1 6.7 <5 1.36 653 <1 50 <5 0.29 <1 NA 0.24 <0.2 35 NA CB-09 07/06/2015 4.9 41 2.25 364 4.5 <3 <1 <1 <50 <1 6.7 <5 <1 158 <1 40 <5 1.2 <1 8 0.11 <0.2 25 <0.3 CB-09SL 0412712015 6.0 76 1 1.08 335 30.4 <1 <I <1 <50 <1 6.1 2.86 1 1.21 1 475 <1 125 2.13 NA <I 40 0.74 <0.2 92 0.56 CB-09SL 05/28/2015 5.8 59 1.59 289 5.97 <1 <1 <1 <50 <3 6.6 <1 <1 73 <1 71 <1 NA <1 28 0.57 <0.2 43 <0.3 MW-24S 05/11/2015 5.0 75 5.48 277 1.77 <1 <S <1 <50 <1 12 <1 2.05 304 <1 170 1.16 NA <1 37 0.49 <0.2 54 <0.3 MW-24S 06/01/2015 5.2 79 4.67 302 2.74 <1 <1 <1 <50 <1 13 <1 1.02 60 <1 136 1.07 NA <1 36 0.62 <0.2 66 <0.3 AMW-03A 1110412014 NM NM NM NM NM <1 <1 <1 NA <1 NA 12.4 <1 153 <1 22 <1 NA <1 NA NA <0.2 NA NA AMW-03A 0511212015 12.1 1 2350 5.41 16 1.5 <1 <1 <1 <50 <1 1.1 <1 <1 <10 <1 <5 <1 NA <1 1220 0.34 <0.2 500 8.98 Sample ID Sample Collection Date 2015 Field Parameters 2015 Analytial Results CB-04 07/08/2015 5.2 335 3.12 357 18 <1 <1 <1 598 <1 7.6 <5 5.41 3340 1.57 920 <5 16 7.58 213 130 <0.2 230 4.68 CB-02 07/07/2015 5.3 148 0.83 320 4.43 <1 <1 <1 155 <1 2.7 <5 4.17 146 <1 3000 <5 9.8 <1 13 35 <0.2 93 <0.3 GW-01 07/06/2015 4.8 137 1.1 468 4.99 <1 <1 <1 <50 <1 6.6 <5 4.76 101 <1 551 <5 13 1.78 <5 35 <0.2 78 <0.3 ABMW-02S 05/27/2015 4.1 832 0.26 327 9.33 <1 16 12.5 751 3.3 14 <1 578 557 <1 16200 247 NA 10.8 259 730 0.333 670 0.666 ABMW-02S CUP 05/27/2015 4.1 832 0.26 327 9.33 <1 16 12.6 761 3.24 14 <1 576 453 <1 16500 245 NA 10.3 262 720 0.329 660 0.421 ABMW-07S 05/27/2015 6.3 423 0.5 170 1.96 <1 <1 <1 789 <1 7.3 <1 3.5 170 <1 763 <1 NA 1.65 442 120 0.664 200 <0.3 MW-08S 05/27/2015 5.9 1949 0.95 1 313 1 8.15 <3 <1 <1 5330 <1 450 <1 3.09 17 1 <1 2830 1 1.65 NA 1.41 4160 290 <0.2 1900 <0.3 ABMW-05S 05/26/2015 5.8 222 0.42 169 25.7 <1 <1 <1 <50 <1 5.2 <1 16.7 4800 <1 537 3.37 NA <1 83 20 0.309 130 <0.3 MW-06S 05/21/2015 5.3 343 0.45 256 3.94 <3 <1 <1 1050 <3 12 <1 6.17 225 <1 9970 <1 NA <1 141 130 <0.2 220 <0.3 VW-095 05/21/2015 5.5 2291 1.19 242 5.59 <1 <1 <1 4800 <I 570 <1 5.9 211 <1 3630 3.92 NA 40.6 2950 270 <0.2 1700 <0.3 P-103 05/20/2015 5.6 209 0.19 125 8.91 <1 <1 <1 420 <1 11 6.07 20 724 <1 7410 10.1 NA <1 25 50 <0.2 120 0.488 PZ-19 05/20/2015 5.7 450 2.48 322 9.77 2.16 <1 <1 969 <1 9.8 4.34 <1 471 <1 272 5.63 NA <1 565 170 0.252 NA 0.99 P-100 05/19/2015 5.4 359 0.22 81 9.01 <3 <1 <1 732 <3 12 12.7 35.9 545 <1 3380 13.6 NA <1 18 140 <0.2 230 0.457 P-101 05/19/2015 5.7 418 0.24 199 2.53 <1 <1 <1 1200 <1 12 2.34 14.3 155 <1 2320 4.18 NA <1 362 160 <0.2 260 <0.3 P-104 05/19/2015 5.7 222 0.87 184 13.3 <1 <1 <1 194 <1 7.1 1.64 26.8 737 <1 5150 3.56 NA 1.37 88 41 <0.2 140 0.559 PZ-24 05/19/2015 6.0 511 1.02 295 33.4 <I 1.11 <1 <50 <3 6.8 4.49 4.35 69200 <1 2000 3.56 NA <1 202 <0.1 <0.2 260 4.25 PZ-26 05/19/2015 4.8 42 1.94 306 9.44 <3 <1 <1 <50 <3 2.8 <1 2.23 189 <1 34 <1 NA <1 9 0.13 <0.2 <25 <0.3 PZ-22 05/18/2015 5.5 467 0.56 240 5.73 <1 <1 <1 1210 <3 8.3 <1 6.95 2300 <1 2230 1.29 NA <1 826 200 <0.2 290 <0.3 PZ-23 05/18/2015 5.4 228 0.42 352 9.22 <1 <1 <1 226 <1 4.4 <1 22.4 358 <1 3640 1.43 NA <1 112 62 <0.2 120 0.389 GW-03 05/14/2015 5.6 1 476 2.72 1 283 1 6.98 <1 <1 <1 1170 <1 39 <1 17.2 485 <1 555 <1 NA 2.84 679 170 <0.2 440 0.301 APD-07 05/13/2015 5.5 169 1.2 271 4.76 <1 <1 <1 119 <1 10 <1 <1 38 <1 12 <1 NA 19 47 27 <0.2 96 <0.3 DP-01 05/13/2015 7.1 550 0.74 255 39.6 <1 1180 <1 378 <1 2.3 <1 20.7 8770 <1 1570 3.64 NA <1 1810 96 <0.2 370 3.12 P-105 05/13/2015 5.0 70 3.56 279 8.09 <3 <1 <1 <50 <3 9 2.5 3.97 422 <1 120 5.01 NA <1 26 3.1 <0.2 44 0.584 MW-09S 04/27/2015 5.5 2252 2.04 337 4.16 <1 <1 <1 4730 <1 560 <1 15.8 70 <1 4290 5.24 NA 36.6 3080 250 0.294 1700 <0.3 MW-06S 04/15/2015 5.5 332 0.33 320 9.52 <1 <1 <1 1090 <1 12 <1 15.6 645 <1 10000 1.9 NA <1 147 120 <0.2 220 0.543 ABMW-05S 04/13/2015 5.9 1 211 3.53 256 2.62 <1 <1 <1 <50 <1 7.8 <1 14.3 207 <1 395 2.28 NA <1 87 17 <0.2 130 ABMW-07S 04/12/2015 6.5 355 3.73 322 6.47 <1 <1 <1 596 <1 6.3 1.24 6.12 216 <1 798 <1 NA 3.65 333 82 0.311 190 CB-04 04/08/2015 5.1 340 4.52 317 6.73 <1 <1 <1 590 <1 7.5 <5 1.63 291 <1 747 <5 2.8 8 NA 140 <0.2 240 CB-02 04/07/2015 5.4 159 0.61 324 8.73 <I <I <1 174 <1 2.9 <5 4.26 319 <1 3030 <5 2.2 <1 NA 38 <0.2 100 RNA GW-01 04/07/2015 4.8 123 0.89 326 0.67 <1 <I <1 <50 <1 6.6 <5 4.71 15 <1 507 <5 3.2 1.6 NA 25 <0.2 83 ABMW-02S 03/17/2015 4.2 813 0.41 304 2.39 <1 11.2 11 760 2.96 12 1.47 569 1120 <1 17500 233 NA 10.7 258 610 0.369 640 MW-08S 03/06/2015 6.0 2013 0.79 246 4.25 <1 <1 <1 S030 <1 450 <1 7.73 162 <1 2890 2.47 NA 1.17 4410 260 <0.2 1500 Sample ID Sample Collection Date Historical Field Parameters Historical Analytical Results APD-01 02/18/2014 5.7 653 0.91 NM 5.8 <1 1.35 NA 949 <1 48 <5 8.03 1770 <1 4720 <5 NA <1 NA 290 <0.2 580 NA APD-07 02/17/2014 5.3 214 0.61 NM 19.1 <1 <1 NA 132 <1 20 <5 <1 739 <1 38 <5 NA 16.4 NA 25 <0.2 110 NA CB-02 11/17/2010 5.3 212 NM NM 9.29 <0.5 <5 NA 241 <0.08 8.5 <5 NA 705 <5 2570 <5 0.11 <10 NA 92.9 0.18 158 NA CB-02 04/12/2011 5.3 244 0.4 144 6.35 <0.5 <5 NA 229 <0.08 6.9 <5 NA 292 <5 2630 <5 <0.1 <10 NA 93.8 0.16 113 NA CB-02 07/15/2011 5.3 260 0.56 252 1.4 <0.5 <5 NA 245 <0.08 6.9 b <5 NA <50 <5 2580 <5 <0.2 <10 NA 80.6 0.18 133 b NA CB-02 11/09/2011 5.5 278 0.74 112 1.81 <0.5 <5 NA 239 <0.08 8.7 <5 NA 197 <5 2690 <5 <0.2 <10 NA 95.8 0.18 262 NA CB-02 04/10/2012 5.2 253 0.44 145 7.53 <0.5 <5 NA 219 <0.08 19.7 <5 NA <50 <5 2560 <5 <0.2 <10 NA 69.4 0.17 161 NA CB-02 07/16/2012 5.3 279 0.98 587 2.31 <0.5 <5 NA 226 0.12 10.1 <5 NA 109 <5 2660 <5 <0.02 <10 NA 89.7 0.20 154 NA CB-02 11/15/2012 5.3 277 0.61 476 5.44 <0.5 <5 NA 230 0.098 10.5 <5 NA 146 <5 2S80 <5 0.029 b <10 NA 83.6 0.21 153 NA CB-02 04/03/2013 5.3 263 0.82 298 2.54 <I <1 NA 227 <1 9.3 <5 NA 34 <1 2890 <5 0.05 1.17 NA 86 <0.2 160 NA CB-02 07/01/2013 6.4 280 0.54 102 1.37 <1 <1 NA 223 <1 8.8 <5 NA 243 <1 2900 <5 0.32 1.58 NA 79 <0.2 160 NA CB-02 11/06/2013 5.1 277 0.4 769 7.2 <3 <1 NA 307 <1 8.1 <5 NA 214 <1 3030 <5 <0.023 3.92 NA 91 <0.2 160 NA CB-02 04/16/2014 5.2 204 0.4 655 2.4 <I <1 NA 257 <3 4.3 <5 NA 169 <1 2950 <5 0.92 <1 NA 68 <0.2 120 NA CB-02 07/09/2014 5.2 189 0.68 527 8 <1 <3 NA 240 <3 3.6 <5 NA 335 <1 3030 <5 1.4 <1 NA 59 <0.2 120 NA CB-02 11/03/2014 5.2 184 0.4 503 4.09 <1 <I NA 209 <1 3.1 <5 NA 70 <1 2920 <5 1.7 <1 NA 50 <0.2 92 NA CB-02 DUP 04/10/2012 5.2 253 0.44 145 7.53 <0.5 <5 NA 219 <0.08 11.4 <5 NA 54.5 <5 2540 <5 <0.2 <10 NA 74.6 0.17 162 NA CB-02 DUP 07/01/2013 6.4 280 0.54 102 1.37 <I <1 NA 222 <1 8.7 <5 NA 175 <1 2910 <5 0.32 1.45 NA 79 <0.2 150 NA CB-04 11/18/2010 NM 217 NM NM 0.22 <0.5 <5 NA 404 <0.08 11.6 <5 NA <50 <5 368 <5 1.9 10.5 NA 96.9 <0.1 163 NA CB-04 04/12/2011 5.1 259 2.92 126 3.74 <0.5 <5 NA 344 <0.08 10.2 <5 NA 90.5 <5 381 <5 1.8 <10 NA 85 <0.1 111 NA CB-04 07/14/2011 5.0 267 2.92 176 0.65 <0.5 <5 NA 356 <0.08 9.8 b <5 NA <50 <5 411 <5 1.7 10.7 NA 84.1 <0.1 146 b NA CB-04 11/08/2011 5.1 291 2.14 151 6.83 <0.5 <5 NA 415 <0.08 10.6 <5 NA 50.7 <5 465 <5 1.7 <10 NA 66.5 <0.1 180 NA CB-04 04/10/2012 5.1 261 2.32 156 1.62 <0.5 <5 NA 324 0.085 11.7 <5 NA <50 <5 414 <5 1.8 <10 NA 73.4 <0.1 175 NA CB-04 07/16/2012 5.1 284 2.44 389 1.54 <0.5 <5 NA 371 <0.08 12.4 <5 NA 72.7 <5 475 <5 1.5 10.4 NA 94.5 <0.1 176 NA CB-04 11/15/2012 5.2 308 2.32 468 0.36 <0.5 <5 NA 391 0.12 12.4 <5 NA <50 <5 483 <5 1.5 <10 NA 91.9 <0.1 180 NA CB-04 04/03/2013 5.0 265 3.45 313 3.93 <1 <1 NA 322 <1 9 <5 NA 34 <1 464 <5 1.3 10 NA 97 <0.2 180 NA CB-04 07/01/2013 5.1 243 4.2 222 0.78 <I <1 NA 288 <3 6.7 <5 NA 17 <1 393 <5 1.1 8.93 NA 75 <0.2 150 NA CB-04 11/06/2013 5.0 307 2.7 582 5.4 <1 <1 NA 525 <1 9.5 <5 NA 97 <1 591 <5 1.3 12.4 NA 120 <0.2 200 NA CB-04 04/16/2014 5.2 322 2.9 446 1.2 <1 <1 NA 527 <1 8.9 <5 NA 39 <1 597 <5 1.9 10.4 NA 130 <0.2 210 NA CB-04 07/09/2014 5.1 331 3.93 612 4.2 <1 <1 NA 567 <3 8.6 <5 NA 209 <1 677 <5 2.3 9.69 NA 130 <0.2 230 NA CB-04 11/03/2014 5.1 366 3.77 639 9.59 <1 <1 NA 653 <1 9 <5 NA 241 <1 809 <5 2.8 8.43 NA 130 <0.2 230 NA CB-04 DUP 11/08/2011 5.1 291 2.14 151 6.83 <0.5 <5 NA 419 <0.08 11.9 <5 NA 82.2 <5 469 <5 1.7 <10 NA 65.6 <0.1 293 NA CB-04 DUP 04/16/2014 5.2 322 2.9 446 1.2 <1 <1 NA 519 <1 6.9 <5 NA 33 <1 593 <5 0.33 10.3 NA 130 <0.2 220 NA DP-01 02/17/2014 6.9 1229 0.17 NM 48.1 <1 1220 NA 1140 <1 8.2 <5 41.8 10100 <1 2430 9 NA <1 NA 160 0.73 730 NA -01 12/14/2007 4.5 98 NM NM NM <5 6.3 NA <10 <1 8.2 35.7 NA 56800 29.4 NA 34.1 6.3 <10 NA <5 0.12 50 NA S H;] 04/21/2008 3.8 98 NM NM NM <5 <5 NA <10 <S <5 <5 NA 2880 <5 189 8.7 8.2 <10 NA <5 <0.5 40 NA P:\Duke Energy Progress.1026\102. Asheville Ash Basin GW Assessment Plan\I6.Corrective Action Plan\Tables\Table 2-13 Exceedances in Saprolite GeoUnit.xlsx Page 1 of 2 TABLE 2-13 SAPROLITE GROUNDWATER EXCEEDANCES ASHEVILLE STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC, ARDEN, NC Analytical Parameter pH �o�d DO Eh Turbidity Antimony Arsenic Beryllium Boron Cadmium Chloride Chromium Cobalt Iron Lead Manganese Nickel Nitrate Selenium Strontium Sulfate Thallium Total Dissolved Solids Vanadium Reporting Units S.U. umh s mg/I mV NTUs ug/I ug/I ug/I ug/I ug/I mg/I ug/I ug/I ug/1 ug/I ug/I ug/I mg/I ug/I ug/I mg/I ug/l mg/I ug/I SSA NCAC 02L Standard 6.5-8.5 NE HE HE HE 1* 10 4* 700 2 250 SO 1* 300 15 50 100 10 20 HE 250 0.2* Soo 0.3* Provisional Background Concentrations 4.4-5.8 79 9.4 604 9.16 NO ND ND NO NO 13 15 2.05 3797 6 126 10 1.8 1.22 37 0.62 0.12 66 NO Sample ID Sample Collection Date Historical Field Parameters (continued) Historical Analytical Results (continued) GW-01 10/13/2008 4.4 72 NM NM NM <5 <5 NA <50 <3 <5 <5 NA 122 <5 74.8 5 5.2 <10 NA <5 <0.1 54 NA GW-01 04/14/2009 4.3 89 NM NM NM <5 <5 NA <50 <1 <5 <5 NA 575 <5 98.5 7.5 7.7 <10 NA <5 <0.5 70 NA GW-01 10/16/2009 4.5 102 NM NM NM <5 <5 NA <50 <1 <5 <5 NA 232 <5 100 6.5 8.2 <10 NA <5 <0.5 74 NA GW-01 05/11/2010 3.1 106 NM NM NM <5 <5 NA <50 <1 <5 <5 NA 459 <5 90.3 5 8.6 <10 NA <5 <0.1 26 NA GW-01 11/17/2010 4.5 69 NM NM 6.32 <0.5 <5 NA <50 <0.08 <5 <5 NA 63.6 <5 81 <5 7.7 <10 NA <5 <0.1 46 NA GW-01 04/12/2011 4.3 112 5.06 254 7.46 <0.5 <5 NA <50 <5 <5 <5 NA 248 <5 138 7.1 10.9 <10 NA <5 <0.1 44 NA GW-01 07/14/2011 4.3 87 5.01 121 2.77 <0.5 <5 NA <50 <0.08 <5 <5 NA 79.6 <5 134 7 b 7.5 <10 NA <5 <0.1 <25 NA GW-01 11/09/2011 4.6 96 4.36 123 2.28 <0.5 <5 NA <50 <0.08 <5 <5 NA 102 <5 205 5.9 7.9 <10 NA <5 <0.1 86 NA GW-01 04/10/2012 4.6 104 3.95 138 3.07 <0.5 <5 NA <50 <0.08 <5 <5 NA 96 <5 341 5.9 8 <10 NA <5 <0.1 64 NA GW-01 07/16/2012 4.4 93 2.92 502 7.98 <0.5 <5 NA 65.1 0.082 4.7 <5 NA 147 <5 310 <5 7.1 <10 NA <2 <0.1 57 NA GW-01 11/15/2012 4.6 96 2.26 553 5.76 <0.5 <5 NA <50 0.1 4.9 <5 NA 480 <5 293 <5 6 <10 NA 3.1 <0.1 37 NA GW-01 04/03/2013 4.5 93 2.48 342 2.57 <1 <1 NA <50 <1 5.4 <5 NA 31 <1 442 <5 5.9 2.04 NA 1.9 1 <0.2 69 NA GW-01 07/01/2013 4.8 125 3.42 217 2.17 <I <1 NA <50 I <1 6.2 <5 NA 49 <1 612 6 7.1 3.32 NA 3.2 <0.2 80 NA GW-01 11/05/2013 4.5 148 2.3 641 3.1 <1 <1 NA <50 <1 7 <5 NA 89 <1 737 5 7.8 4.9 NA 15 <0.2 87 NA GW-01 04/17/2014 4.6 138 1.6 495 8 <1 1.25 NA <50 <1 6 <5 NA 275 <1 692 <5 6.4 1.47 NA 17 <0.2 75 �NA GW-01 07/10/2014 4.4 154 1.5 569 1.9 <I 1.61 NA <50 <1 7.1 <5 NA 84 <1 683 <5 6.2 1.53 NA 24 <0.2 85 NA GW-01 11/04/2014 4.7 155 0.98 542 8.62 <I <1 NA <50 <1 6.7 <5 NA 568 <1 534 <5 4.1 1.56 NA 27 <0.2 75 NA GW-03 12/14/2007 5.7 498 NM NM NM <5 <5 <1 1120 <1 12.1 <5 NA 337 <5 NA <5 <0.1 <10 NA 150 0.1 320 NA GW-03 04/21/2008 6.4 463 NM NM NM <5 <5 <1 1300 <1 14.2 <5 NA 889 <5 1370 <5 <0.1 <10 NA 127 <0.1 300 NA GW-03 10/13/2008 5.7 504 NM NM NM <5 <5 <1 1290 <1 21.2 <5 NA 86.1 <5 1850 <5 <0.1 <10 NA 148 <0.1 370 NA GW-03 04/14/2009 5.7 500 NM NM NM <5 <5 <1 1320 <1 24.7 <5 NA 122 <5 1120 <5 <0.1 <10 NA 142 <0.5 218 NA GW-03 10/16/2009 5.7 470 NM NM NM <5 <5 <1 1190 <1 26.8 <5 NA 261 <5 736 <5 0.25 <10 NA 156 <0.5 328 NA GW-03 05/11/2010 5.7 481 NM NM NM <5 <5 <1 1240 <1 34.2 <5 NA 3470 <5 1770 <5 <0A <10 NA 143 <0.1 290 NA GW-03 02/18/2014 5.7 678 2.03 NM 9.5 <1 <1 NA 1400 <1 51 <5 18.3 1100 <1 385 <5 NA 1.59 NA 210 <0.2 470 NA PZ-01S 12/14/2006 6.6 1 NM NM NM 4.8 <2 <0.7 345 <0.5 7.2 <2 NA 987 <2 463 2.8 0.37 <2 NA 180 <4 397 NA PZ-08 12/14/2006 5.8 1 NM NM NM <2 476 <0.7 1200 <0.5 7.5 <2 NA 22500 <2 2720 <2 0.54 <2 NA 40 <4 310 NA PZ-12 12/14/2006 7.1 0 NM NM NM <2 2 <0.7 574 <0.5 6.7 <2 NA 233 <2 7880 2.5 0.41 <2 NA 110 <4 222 NA PZ-19 02/19/2014 5.9 488 0.5 NM 2.3 <1 <1 NA 1000 <1 12 <5 <1 151 <1 238 <5 NA <1 NA 170 0.20 310 NA PZ-19 12/14/2006 5.7 0 NM NM NM 10.4 5.2 <0.7 623 0.7 6.1 9.3 NA 595 <2 76.2 8.7 0.99 <2 NA 94 5.8 191 NA PZ-19 06/12/2007 7.3 329 NM NM NM <0.01 0.42 0.88 478 0.23 7.16 82.2 NA 18700 0.7 179 59.5 1.52 2.9 NA 104 0.43 214 NA PZ-19 12/13/2007 5.6 373 NM NM NM <5 <5 <1 483 <1 12.3 81.7 NA 7210 <5 NA 55.5 0.95 <10 NA 112 0.22 272 NA PZ-19 04/21/2008 6.5 357 NM NM NM <5 <5 <1 558 <3 11.3 8.5 NA 572 <5 81.6 5.7 0.97 <10 NA 113 0.16 230 NA PZ-19 10/13/2008 5.8 373 NM NM NM <5 <5 <1 498 <3 13.3 6.3 NA 558 <5 23.8 <5 1.4 <10 NA 122 0.13 262 NA PZ-19 05/11/2010 5.9 323 NM NM NM <5 <5 <1 547 <1 12.2 15.8 NA 1590 <5 38.6 8.8 1.3 <10 NA 121 0.16 160 NA PZ-22 02/19/2014 5.7 1 441 0.1 NM 8.8 <1 <1 NA 798 <1 11 <5 9.13 4740 <1 2200 <5 NA <1 NA 170 <0.2 270 NA PZ-22 07/23/2014 5.2 417 0.43 NM 7.36 <1 <1 NA 1200 <1 10 <5 12 307 <1 2400 <5 0.84 <1 NA 170 <0.2 280 NA PZ-22 12/14/2006 5.5 0 NM NM NM 3.3 <2 <0.7 706 0.5 6 <2 NA 351 <2 1570 2.1 0.52 <2 NA 100 <4 198 NA PZ-22 06/12/2007 7.4 318 NM NM NM <0.01 0.85 0.22 579 0.48 7.35 9 NA 12700 5.4 1150 6.5 0.05 2.7 NA 105 0.32 217 NA PZ-22 12/13/2007 4.8 351 NM NM NM <5 <5 <1 578 <1 10.9 <5 NA 1390 <5 NA <5 0.19 <10 NA 106 0.11 214 NA PZ-22 04/21/2008 5.6 346 NM NM NM <5 <5 <1 756 <1 10.1 <5 NA 1110 <5 1840 <5 0.16 <10 NA 116 0.12 222 NA PZ-22 10/13/2008 5.3 1 358 NM NM NM <5 <5 <1 722 <3 12.3 <5 NA 750 <5 1830 <5 0.17 <10 NA 123 0.12 238 NA PZ-22 04/14/2009 5.3 320 NM NM NM <5 <5 <1 733 <I 11.9 <5 NA 1190 <5 1 2040 <5 0.12 <10 NA 118 <0.5 230 NA PZ-22 10/16/2009 5.5 345 NM NM NM <5 <5 <1 633 <1 13 <5 NA 1260 <5 1830 <5 0.23 <10 NA 115 <0.5 230 NA PZ-22 05/11/2010 5.5 306 NM NM NM <5 <5 <1 772 <1 12.7 <5 NA 1390 <5 1880 <5 0.14 <10 NA 107 <0.1 164 NA PZ-23 02/20/2014 5.4 298 0.4 NM 2.9 <3 2.58 NA 287 <3 8.8 <5 25.3 53 <1 3800 <5 NA <1 NA 91 0.22 160 NA PZ-24 02/20/2014 6.0 422 0.3 NM 7.5 <1 2.21 NA <50 <1 4.3 <5 2.67 45900 <1 1730 6 NA <1 NA 0.12 <0.2 210 NA PZ-26 02/20/2014 4.5 31 2.9 NM 8.2 <1 <1 NA <50 <3 1.9 <5 2.34 657 <1 40 <5 NA <1 NA <0.1 <0.2 <25 NA PZ-27 02/20/2014 7.5 1376 0.2 NM 274 10.6 1730 NA 2370 6.5 32 30 11.5 12500 14.1 484 34 NA 3.14 NA 300 1.34 960 NA Still Pipe 02/18/2014 1 6.0 1220 0.25 NM 0.61 1 <1 3.8g NA 1660 <1 85 <5 39.8 950 <1 10400 17 NA 1.75 NA 390 <0.2 870 NA Prepared by: BER/SRW Checked by: MD Notes: 0 - Total metal concentration greater than 2L or IMAC and maximum concentration from background data set 0 - Total metal concentration less than appropriate comparative value in bold (2L, IMAC, or Provisional background) ug/I = micrograms per liter DO = Dissolved Oxygen my = millivolts Eh = Redox potential ORP = Oxidation Reduction Potential Deg C = Degree Celsius NE = Not established NTU = nephelometric turbidity unit it = feet DUP = Duplicate S.U. = Standard Unit NO = Not determined Spec Cond = Specific Conductance umhos/cm = micro mhos per centimeter NM = Not measured Temp = Temperature mg/I = milligrams per liter NA = Not analyzed * - Interim Maximum Allowable Concentrations (IMACs) of the 15A NCAC 02L Standard, Appendix 1, April, 1, 2013. P:\Duke Energy Progress. 1026\102. Asheville Ash Basin GW Assessment Plan\I6.Corrective Action Plan\Tables\Table 2-13 Exceedances in Saprollte GeoUnit.xlsx Page 2 of 2 TABLE 2-14 TRANSITION ZONE GROUNDWATER EXCEEDANCES ASHEVILLE STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC, ARDEN, NC Analytical Parameter pH Spec Cond DO Eh Turbidity Boron Chloride Chromium Cobalt Iron Manganese Nickel Nitrate (asN) Nitrate Selenium Strontium Sulfate Thallium Total Dissolved Solids Vanadium Reporting Units P 9 S.U. mh um m m /I 9 mV NTUs u /I 9 m /I 9 ug/I ug/I ug/I ug/I ug/I m N/L 9- m /I 9 ug/l ug/1 m /I 9 u /I 9 m /I 9 ug/I 15A NCAC 02L Standard 6.5-8.5 NE NE NE NE 700 250 10 1 300 50 100 10 10 20 NE 250 0.2 Soo 0.3 Provisional Background Concentration 5.8-8.5 NE NE NE NE ND 1.3 7.04 2.54 589 286 6.03 0.038 NO NO 25 2.7 ND 44 0.416 Sample ID Sample Collection Date Field Parameters Analytical Results Background Field Parameters Background Analytical Results CB-01D 04/28/2015 6.7 75 1.56 206 7.52 <50 1.3 7.04 2.54 528 226 6.03 0.036 NA <1 25 2.7 <0.2 44 0.416 CB-01D 05/21/2015 6.4 57 0.8 253 2.83 <50 1.1 1.27 1.66 589 286 2.07 0.038 NA <1 19 2.2 <0.2 37 0.34 Sample ID Sample Collection Date 2015 Field Parameters 2015 Analytical Results ABMW-04D 03/31/2015 6.1 366 0.25 214 5.08 1050 12 <1 67.3 8370 6070 2.5 <0.01 NA <1 214 100 <0.2 240 0.789 ABMW-04D 05/26/2015 5.7 375 0.45 417 6.47 1080 12 <1 54.2 6360 5820 2.25 0.016 NA <1 176 110 0.319 250 0.564 ABMW-04D DUP 05/26/2015 5.7 375 0.45 417 6.47 1080 13 <1 54.6 6290 5790 2.31 0.037 NA <1 179 110 0.291 240 0.451 ABMW-05D 04/12/2015 6.2 291 0.49 301 5.57 108 9.8 <1 1.2 21100 517 1.14 <0.01 NA <1 114 15 <0.2 200 <0.3 ABMW-051) 05/26/2015 6.1 270 0.48 109 9.39 106 11 <1 <1 19000 369 <1 0.025 NA <1 108 16 <0.2 170 <0.3 AMW-02A 05/19/2015 5.7 296 0.54 171 9.4 225 8.2 <1 21.2 16800 2950 1.35 0.04 NA <1 236 65 <0.2 190 <0.3 CB-03 05/19/2015 5.8 439 0.4 434 40.8 947 8.8 <1 1.88 844 331 1.84 0.465 NA 3.03 584 150 0.398 240 0.675 CB-03R 104/08/2015 5.0 541 0.7 307 49.7 571 11 20 17.1 6240 510 49 NA 3.2 <1 NA 180 <0.2 310 NA CB-03R 07/08/2015 4.5 644 1.75 357 5.97 720 10 <5 29.9 2980 754 52 23 110 1.78 733 180 0.257 420 2.7 CB-08 04/07/2015 5.1 1021 1.49 327 2.16 2350 220 <5 2.54 63 1120 <5 NA 1.9 18.6 NA 120 <0.2 710 NA CB-08 07/06/2015 5.1 964 1.94 502 2.35 2310 220 <5 2.68 46 1080 <5 1.8 7.7 19.5 655 140 <0.2 840 <0.3 CB-08 DUP 04/07/2015 5.1 1021 1.49 327 2.16 2330 220 <5 2.76 76 1110 <5 NA 1.9 20.1 NA 120 <0.2 730 NA CB-08 DUP 07/06/2015 5.1 964 1.94 502 2.35 2320 220 <5 2.71 39 1080 <5 1.8 7.8 18.9 NA 140 <0.2 860 <0.3 GW-01D 05/07/2015 5.4 63 0.38 280 7.3 <50 5 <1 7.77 951 369 2.5 0.524 NA I<1 33 1 2.3 <0.2 35 0.451 GW-01D 05/28/2015 5.3 55 0.42 268 5.53 <50 5.3 <1 4.02 295 240 1.44 0.542 NA <1 29 2.9 <0.2 41 <0.3 GW-04 05/18/2015 5.5 390 1.09 288 7.15 994 10 4.93 <1 67 185 10.9 0.599 NA <1 170 150 <0.2 260 0.328 MW-01D 05/11/2015 5.3 68 2.02 292 1.35 <50 2.7 <1 15.4 107 248 7.67 1.4 NA <1 31 5.9 <0.2 47 <0.3 MW-01D 05/21/2015 5.5 71 0.65 267 3.54 <50 2.9 <1 9.45 360 221 4.78 1.2 NA <1 31 5.3 <0.2 41 <0.3 MW-03D 05/07/2015 6.3 394 0.82 192 35.9 531 10 194 3.88 12000 633 135 0.039 NA <1 265 140 <0.2 250 1.75 MW-03D 05/21/2015 6.0 385 0.33 294 4.76 469 1 11 <1 <1 12700 560 3.89 0.029 NA <1 250 140 <0.2 270 <0.3 MW-04D 04/28/2015 5.5 54 6.4 288 1 5.19 <50 2.9 <1 12.2 582 204 1.48 1.7 NA <1 31 1.8 <0.2 35 0.379 MW-04D 05/21/2015 5.1 46 5.04 372 2.62 <50 3.1 <1 5.28 34 87 1.07 1.6 NA <1 27 1.5 <0.2 33 <0.3 MW-05D 05/07/2015 5.5 401 4.74 269 0.89 505 9 <1 48 10100 557 29.5 1.5 NA 3.41 252 150 <0.2 250 <0.3 MW-05D 05/27/2015 4.0 389 1.7 298 2.82 518 9.2 <1 39.1 484 456 26.1 1 NA 2 267 190 <0.2 250 <0.3 MW-05D DUP 05/07/2015 5.5 401 4.74 269 0.89 505 9 <1 49.9 9590 569 33 1.5 NA 3 254 160 <0.2 250 <0.3 MW-06D 04/15/2015 5.8 392 0.32 326 5.42 1750 11 1 1.25 7.47 406 5280 1.47 <0.01 NA <1 337 140 1 0.236 280 0.363 MW-06D 05/21/2015 5.5 383 0.34 633 1.06 1680 11 <1 3.85 23 4480 1.13 0.021 NA <1 302 150 <0.2 260 <0.3 MW-09D 05/04/2015 5.8 2175 1 3.7 242 1 5.57 4420 Soo <1 26.9 3300 3670 14.9 1 0.439 NA 32.2 1760 250 0.327 1700 0.516 MW-09D 05/21/2015 5.5 2175 0.39 67 1.99 4620 470 <1 17.8 2170 3730 10.4 0.083 NA 14.8 1890 270 <0.2 1700 <0.3 MW-11D 02/12/2015 5.9 602 5.67 243 5.37 88 130 1.07 4.21 1870 503 3.7 2.3 NA <1 383 22 <0.2 350 1.21 MW-11D 05/20/2015 5.3 595 3.4 296 4.01 65 130 <1 1.11 91 159 1.11 2.4 NA <1 333 18 <0.2 380 <0.3 MW-12D 03/31/2015 5.5 94 3.04 277 7.93 <50 1 8 3.35 1 11 433 480 5.9 1.4 NA <1 24 7.2 <0.2 56 0.388 MW-12D 05/21/2015 5.2 78 3.13 307 6.84 <50 9.9 <1 2.15 118 155 1.27 1.4 NA <1 20 1 7.3 0.674 50 <0.3 MW-13D 02/12/2015 6.8 223 3.65 194 7.28 <50 4.4 <1 4.11 515 563 1.05 0.236 1 NA <1 92 4 <0.2 110 1.67 MW-13D 05/20/2015 6.6 165 1 0.5 37 1 2.93 <50 4.4 <1 6.75 2780 1300 1.08 0.126 NA <1 114 1.9 <0.2 93 0.503 MW-15D 03/04/2015 6.2 132 1.53 253 4.33 <50 7.3 <1 <1 202 167 <1 0.666 NA <1 108 0.67 <0.2 76 0.333 MW-15D 05/20/2015 5.7 94 2.78 277 1.83 <50 7.7 <1 <1 109 87 <1 0.787 NA <1 99 0.29 <0.2 72 0.502 MW-18D 05/04/2015 5.8 874 1.35 320 4.26 807 88 <1 7.35 3530 1510 2.87 0.102 NA <1 321 260 <0.2 620 0.523 MW-18D 05/28/2015 6.1 914 0.78 79 5.04 793 1 94 <1 1 4.61 6960 2870 1.89 0.077 NA <1 1 298 280 1 <0.2 650 <0.3 MW-21D 06/30/2015 6.2 301 4.6 109 1.92 79 21 <1 1.66 4640 4560 1.25 0.199 NA 1.19 95 31 <0.2 170 <0.3 MW-21D 09/01/2015 6.4 1 6.9 429 2.12 95 24 <1 <1 14900 2760 <1 0.022 M2 NA <1 77 24 <0.2 140 <0.3 MW-22D 06/30/2015 5.3 142 1 3.06 313 1 4.27 <50 24 <1 2.5 184 132 6.1 0.286 NA <1 44 11 <0.2 90 <0.3 MW-22D 09/01/2015 5.1 136 2.84 393 1.03 <50 26 <1 1.65 34 92 5.93 0.253 NA <1 42 9.8 <0.2 75 0.354 MW-23DL 06/30/2015 7.1 281 0.46 -59 4.97 <50 4 <1 <1 11200 76 <1 <0.01 NA <1 119 22 <0.2 160 <0.3 MW-23DL 09/03/2015 7.1 278 0.29 72 3.94 <50 3.3 <1 <1 12300 82 <1 0.01 M2 NA <1 114 15 <0.2 160 0.345 MW-23DU 06/24/2015 5.6 145 2.24 272 1.45 87 1 7.3 <1 36.9 162 865 2.76 0.435 NA <1 48 26 <0.2 84 <0.3 MW-23DU 09/03/2015 5.5 124 2.33 390 1.29 85 6.3 <1 8.35 222 507 1.5 0.32 NA <1 38 23 <0.2 83 0.303 PZ-16 05/18/2015 5.8 326 3.95 319 21.7 684 4.9 11.5 1.31 877 83 5.35 1 2.1 NA 27 237 110 <0.2 210 1.29 Sample ID Sample Collection Date Historical Field Parameters Historical Analytical Results AMW-02A 07/24/2014 5.5 297 0.24 NM 2.95 287 8.4 <5 18 8140 1790 <5 0.04 0.18 1.38 NA 87 <0.2 190 NA CB-03 11/18/2010 NM 279 NM NM 0.71 389 13.3 <5 NA 3490 159 <5 NA 0.36 <10 NA 114 0.31 187 NA CB-03 04/12/2011 5.7 344 0.14 99 0.35 356 12.8 <5 NA 1260 142 <5 NA 0.5 <10 NA 108 0.41 130 NA CB-03 07/14/2011 5.7 370 0.3 180 0.55 351 13.6 B <5 NA 879 146 <5 NA 0.43 <10 NA 114 0.4 165 B NA CB-03 11/09/2011 5.9 406 0.49 84 1.5 423 13.2 <5 NA 796 155 <5 NA <0.2 <10 NA 168 0.38 440 NA P:\Duke Energy Progress. 1026\102. Asheville Ash Basin GW Assessment Plan\16.Corrective Action Plan\Tables\Table 2-14 Exceedances in Transition Zone GeoUnit.xlsx Page 1 of 2 TABLE 2-14 TRANSITION ZONE GROUNDWATER EXCEEDANCES ASHEVILLE STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC, ARDEN, NC Analytical Parameter pH Spec Cond DO Eh Turbidity Boron Chloride Chromium Cobalt Iron Manganese Nickel Nitrate (asN) Nitrate Selenium Strontium Sulfate Thallium Total Dissolved Solids Vanadium Reporting Units P 9 S.U. um m mh m /I 9 mV NTUs u /I 9 m /I 9 ug/I ug/I ug/I ug/I ug/I m N/L 9- m /I 9 ug/I ug/I m /I 9 u /I 9 m /I 9 ug/I 15A NCAC 02L Standard 6.5-8.5 NE NE NE NE 700 250 10 1 300 50 100 10 10 20 NE 250 0.2 500 0.3 Provisional Background Concentration 5.8-8.5 NE NE NE NE ND 1.3 7.04 2.54 589 286 6.03 0.038 NO NO 25 2.7 ND 44 0.416 Sample ID Sample Collection Date Historical Field Parameters (continued) Historical Analytical Results (continued) CB-03 04/10/2012 5.8 473 0.4 152 1.36 615 13.9 <5 NA 774 179 <5 NA 0.42 <10 NA 142 0.48 287 NA CB-03 07/16/2012 5.8 530 0.65 312 0.67 895 13.9 <5 NA 384 178 <5 NA 0.21 <10 NA 194 0.45 293 NA CB-03 DUP 07/16/2012 5.8 530 0.65 312 0.67 900 13.6 <5 NA 331 178 <5 NA 0.23 <10 NA 196 0.43 300 NA CB-03R 11/14/2012 5.2 488 0.66 395 4.05 1290 13 <5 NA 190 366 <5 NA 1 <10 NA 170 0.32 324 NA CB-03R 04/03/2013 5.4 415 0.58 292 7.8 704 11 <5 NA 10100 231 <5 NA 0.4 2.15 NA 170 <0.2 300 NA CB-03R 07/01/2013 5.4 449 0.42 144 0.77 858 10 <5 NA 4060 296 <5 NA 0.71 4.41 NA 160 0.239 300 NA CB-03R 11/06/2013 5.5 391 0.4 303 3.2 603 11 <5 NA 17700 188 <5 NA <0.023 <1 NA 160 <0.2 270 NA CB-03R 04/16/2014 5.3 416 0.1 522 3.9 702 11 <5 NA 4060 512 <5 NA 4 1.81 NA 160 <0.2 290 NA CB-03R 07/09/2014 5.2 540 0.25 484 9.6 805 11 <5 NA 766 1110 13 NA 21 2.69 NA 150 0.216 360 NA CB-03R 07/23/2014 4.9 594 0.29 NM 7.82 811 11 <5 28 38 1210 0.012 21 92 3.13 NA 150 0.255 360 NA CB-03R 11/03/2014 5.5 489 0.17 390 11.2 589 12 13 NA 4570 593 33 NA 8.6 <1 NA 160 <0.2 300 NA CB-08 11/18/2010 NM 907 NM NM 0.92 972 299 <5 NA 64.6 579 <5 NA 1.6 25 NA 108 <0.1 645 NA CB-08 04/12/2011 5.0 1135 2.89 126 9.23 1110 319 11 NA 815 683 7.7 NA 1.8 24.2 NA 119 <0.1 617 NA CB-08 07/15/2011 5.1 1102 1 3.01 184 6.95 1060 1 271 30.8 1 NA 370 696 41 b NA 1.4 21.2 NA 100 <0.1 700 NA CB-08 11/08/2011 5.1 1180 2.87 122 2.67 1360 295 5.2 NA 145 786 <5 NA 1.7 25.1 NA 96.3 <0.1 764 NA CB-08 04/11/2012 5.1 824 3.04 141 5.29 1080 212 <5 NA 93.9 709 <5 NA 1.5 19.2 NA 113 <0.1 581 NA CB-08 07/17/2012 5.0 682 3.25 757 0.38 841 162 <5 NA <50 552 <5 NA 1.9 15.2 NA 63.4 <0.1 407 NA CB-08 11/15/2012 5.0 885 2.37 567 7.24 1140 220 <5 NA 80.6 652 <5 NA 1.8 13 NA 97.4 <0.1 516 NA CB-08 04/04/2013 5.0 876 2.54 304 4.35 1090 170 <5 NA 63 679 <5 NA 1.6 18.1 NA 90 <0.2 730 NA CB-08 07/02/2013 5.5 719 2.9 1 225 1.77 1060 140 <5 NA 73 647 <5 NA 1.6 16.5 NA 81 <0.2 600 NA CB-08 11/06/2013 5.1 747 2.4 661 5.6 1230 1 160 <5 1 NA 225 764 <5 NA 2.1 17.5 NA 85 <0.2 490 NA CB-08 04/17/2014 5.2 850 1.9 570 4 1570 190 <5 NA 115 857 <5 NA 2 18.6 NA 92 <0.2 610 NA CB-08 07/10/2014 5.0 847 2 577 3.3 1700 190 <5 NA 187 904 <5 NA 2 18.1 NA 97 <0.2 820 NA CB-08 11/03/2014 5.1 884 1.07 707 2.26 1860 210 <5 NA 63 968 <5 NA 1.8 20.3 NA 110 <0.2 1 750 NA CB-08 DUP 04/04/2013 5.0 876 2.54 304 4.35 1110 170 <5 NA 97 695 <5 NA 1.6 18 NA 89 <0.2 740 NA CB-08 DUP 11/06/2013 5.1 747 1 2.4 661 5.6 1230 160 <5 NA 180 765 <5 NA 2.1 17 NA 85 <0.2 490 NA CB-08 DUP 07/10/2014 5.0 847 2 577 3.3 1670 190 <5 NA 134 889 <5 NA 2 18.4 NA 97 <0.2 820 NA GW-04 12/14/2007 5.3 327 NM NM NM 528 1 10.7 8.7 1 NA 3230 NA 11.4 NA 0.55 <10 NA 100 0.16 206 NA GW-04 04/21/2008 5.9 295 NM NM NM 586 9.8 6.8 NA 231 143 9.9 NA 0.37 <10 NA 101 <0.1 182 NA GW-04 02/19/2014 5.5 423 1.1 NM 8.9 915 12 7 1.56 422 369 16 NA NA 1.23 NA 160 1 0.24 270 NA GW-04 10/13/2008 5.4 327 NM NM NM 592 11.6 5.3 NA 152 153 11.1 NA 0.51 <10 NA 116 0.1 226 NA GW-04 04/14/2009 5.5 306 NM NM NM 580 11.3 5.6 NA 486 170 11.4 NA 0.49 <10 NA 112 <0.5 232 NA GW-04 10/16/2009 5.6 328 1 NM NM NM 563 13.1 5.3 NA 233 176 10.5 NA 0.59 <10 NA 112 <0.5 228 NA GW-04 05/11/2010 5.7 287 NM NM NM 541 12.5 7.6 NA 2710 216 8.6 NA 0.46 <10 NA 149 0.12 148 NA GW-05 02/20/2014 5.6 483 0.2 NM 71.3 1100 1 11 38 1 8.37 15600 1 363 21 NA NA 2.94 NA 200 0.75 280 NA GW-05 07/24/2014 NM NM NM NM NM 1100 NA NA NA NA NA NA NA NA NA NA NA NA NA NA GW-05 12/14/2007 5.6 410 NM NM NM 413 11.9 5.4 NA 3740 NA 5.2 NA 0.4 <10 NA 1 125 0.27 270 NA GW-05 04/21/2008 5.1 379 NM NM NM 398 11.9 44.6 NA 46200 971 30.6 NA 1.2 13.9 NA 117 0.65 242 NA GW-05 10/13/2008 5.5 378 NM NM NM 407 14.9 <5 NA 182 189 <5 NA 1.2 <10 NA 120 0.28 246 NA GW-05 04/14/2009 5.5 1 320 1 NM NM NM 387 13.4 <5 NA 648 192 11<5 NA 1.5 <10 NA 116 <0.5 248 NA GW-05 10/16/2009 5.6 361 NM NM NM 341 14 <5 NA 3090 189 <5 NA 1.3 <10 NA 105 <0.5 242 NA GW-OS 05/11/2010 5.7 316 NM NM NM 311 12.3 <5 NA 1350 170 <5 NA 1.5 <10 NA 142 0.33 156 NA PZ-16 02/19/2014 5.8 443 3.8 NM 24.6 874 8 42 1.99 1850 156 21 NA NA 32.8 NA 140 <0.2 1 280 NA Prepared by: BER/SRW Checked by: TDP Notes: - Total metal concentration greater than 2L or IMAC and maximum concentration from background data set - Total metal concentration less than appropriate comparative value in bold (2L, IMAC, or Provisional background) ug/I - microgram per liter DO - Dissolved Oxygen my - millivolts Eh - Redox potential ORP = Oxidation Reduction Potential Deg C = Degree Celsius NE - Not established NTU = nephelometric turbidity unit ft - feet DUP = Duplicate S.U. = Standard Unit NO = Not determined Spec Cord - Specific Conductance umhos/cm = micro mhos per centimeter NM = Not measured Temp = Temperature mg/I = milligrams per liter NA = Not analyzed mg -NIL - milligrams nitrogen per liter * - Interim Maximum Allowable Concentrations (IMACs) of the 15A NCAC 02L Standard, Appendix 1, April, 1, 2013. P:\Duke Energy Progress. 1026\102. Asheville Ash Basin GW Assessment Plan\16.Corrective Action Plan\Tables\Table 2-14 Exceedances in Transition Zone GeoUnit.xlsx Page 2 of 2 TABLE 2-15 BEDROCK GROUNDWATER EXCEEDANCES ASHEVILLE STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC, ARDEN, NC Analytical Parameter pH Spec Cond DO Eh Turbidity Antimony Arsenic Boron Chromium Cobalt Iron Manganese Selenium Strontium Sulfate Thallium Total Dissolved Solids Vanadium Reporting Units S.U. u/cros mg/l mV NTUs ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l mg/l ug/l mg/l ug/l 15A NCAC 2L Standard 6.5-8.5 NE NE NE NE 1* SO 700 SO 1* 300 50 20 NE 250 0.2* Soo 0.3* Provisional Background Concentration 6.3-8.5 NE NE NE NE NO NO NO NO NO 402 102 NO 98 3.3 NO 96 0.499 Sample IO Sample Collection Date Field Parameters Analtyical Results Background Field Parameters Historical Analtyical Results CB-09BR 0412712015 8.9 185 0.49 327.8 16.2 <1 <1 <50 8.25 <1 460 21 1.56 115 3.9 <0.2 130 3.03 CB-09BR 05/28/2015 6.5 135.3 0.36 274.4 10.8 <1 <1 1 <50 <1 <1 402 76 <1 98 1.8 <0.2 96 0.499 AMW-03B 11/04/2014 NM NM NM NM NM <1 <1 PNA' <1 <1 258 102 <1 NA NA <0.2 NA NA AMW-03B 05/12/2015 7.7 83 0.84 136 6.86 <1 <1 <1 <1 47 <5 <1 60 3.3 <0.2 72 0.344 Sample ID Sample Collection Date 2015 Field Parameters 2015 Analtyical Results ABMW-05BR 04/13/2015 6.4 220.5 0.86 295.1 1.57 <1 <1 <50 <1 1.45 17300 128 <1 115 17 <0.2 160 <0.3 ABMW-05BR 05/27/2015 7.2 301 0.29 -40 57.4 <1 <1 <50 10.5 4.21 11400 157 <1 210 19 <0.2 180 <0.3 AMW-01B 05/19/2015 7.1 430 0.41 -25 8.96 <1 <1 422 <1 <1 6660 362 <1 85 120 <0.2 280 <0.3 CB-04B 04/08/2015 7.1 257 0.74 198.4 2.42 <1 1.62 <50 <5 <1 625 43 <1 NA 62 <0.2 180 NA CB-04B 07/07/2015 6.9 263 4.04 379 3.1 <1 <1 <50 <5 <1 315 41 <1 144 70 <0.2 170 0.699 CB-08BR 05/11/2015 6.7 457.7 4.51 248.5 5.39 <1 <1 343 3.83 <1 311 633 3.93 251 34 <0.2 290 0.678 CB-08BR 05/22/2015 6.8 352 1.89 150 9.14 <1 <1 171 <1 <1 601 473 1.4 178 31 <0.2 210 0.437 GW-01BR 05/14/2015 7 162 2.42 261.6 4.72 <1 <1 <50 <1 <1 1780 93 <1 84 8.5 <0.2 110 0.575 GW-01BR 05/27/2015 7.8 171 2.13 -6 11.3 <1 <1 <50 <1 <1 946 66 <1 88 8.3 <0.2 110 1.08 GW-02 05/14/2015 5.5 900 2.99 281.6 6.81 <1 1.02 1050 <1 11.9 115 1780 1.01 556 85 <0.2 720 <0.3 MW-01BR 05/11/2015 6.8 129.1 2.53 249.2 9.81 <1 <1 <50 <1 <1 1370 64 <1 78 7.8 <0.2 110 <0.3 MW-01BR 05/21/2015 7 135 1.55 258 3.9 <1 <1 <50 <1 <1 713 77 <1 75 8.2 <0.2 110 0.322 MW-02BR 04/13/2015 9 270 0.2 308.5 2.44 <1 <1 67 2.1 <1 95 25 <1 79 59 <0.2 200 0.372 MW-02BR 05/21/2015 8.8 274 0.19 272 2 <1 <1 64 <1 <1 61 25 <1 75 56 <0.2 180 0.373 MW-05BR 05/04/2015 8.1 376.1 0.12 241.1 14.5 <1 <1 418 <1 <1 18800 172 <1 318 120 <0.2 250 0.368 MW-05BR 05/28/2015 6.9 422 0.29 230.8 4.6 <1 <1 454 <1 <1 27900 244 <1 328 140 0.287 260 <0.3 MW-09BR 05/04/2015 7.2 1022 4.39 183 14.9 <1 <1 490 <1 <1 1570 247 <1 697 86 <0.2 760 0.379 MW-09BR 05/21/2015 6.7 1039 3.01 98 15.5 <1 <1 530 <1 <1 2540 317 <1 746 87 <0.2 860 <0.3 MW-13BR 03/03/2015 6.4 104 4.55 213 8.04 <1 <1 <50 <1 1.7 335 268 <1 31 2.1 <0.2 67 0.879 MW-13BR 05/20/2015 5.4 52 2.53 258 3.16 <1 <1 <50 <1 <1 76 105 <1 18 1.6 <0.2 34 <0.3 MW-13BR CUP 03/03/2015 6.4 104 4.55 213 8.04 <1 <1 <50 <1 1.74 319 269 <1 30 2 <0.2 58 0.82 MW-14BR 02/13/2015 7 524.2 4.71 214.4 2.6 <1 <1 421 <1 <1 76 216 16.5 295 160 <0.2 350 0.528 MW-14BR 05/20/2015 6.8 595 1.83 270 3.05 <1 <1 386 <1 <1 31 31 13.8 307 170 <0.2 390 <0.3 MW-16BR 03/11/2015 6.3 529 0.43 142 9.7 <1 <1 109 <1 3.49 60100 852 <1 290 31 <0.2 290 <0.3 MW-16BR 05/28/2015 5.9 515 0.12 40 1 4.14 <1 I <1 117 <1 1.61 56900 715 <1 266 36 <0.2 310 <0.3 MW-18BR 05/04/2015 5.9 923 1.4 328.1 5.39 <1 <1 892 <1 <1 92 227 1.4 443 260 <0.2 660 0.554 MW-18BR 05/28/2015 5.7 900 0.81 206.6 1.95 <1 <1 851 <1 1.02 125 313 <1 415 290 <0.2 660 <0.3 MW-22BR 06/30/2015 6.4 291 0.78 74.6 5.69 <1 <1 <50 <1 <1 16000 324 <1 121 25 <0.2 170 <0.3 MW-22BR 09/01/2015 6.5 294 0.51 158 2.63 <1 <1 <50 <1 <1 18800 302 <1 105 22 <0.2 150 0.347 PZ-17D 05/15/2015 5.8 480.8 0.77 243.8 9.74 <1 <1 889 8.66 <1 450 48 22.2 315 140 <0.2 320 <0.3 PZ-17S OS/15/2015 5.4 71.1 5.89 378 1.38 <1 <1 <50 <1 <1 17 24 it 122 19 <0.2 44 <0.3 Sample IO Sample Collection Date Historical Field Parameters Historical Analtyical Results 16 Bear Leah 08/05/2014 6 102 8.12 NM 148 <1 <1 <50 <5 <5 444 87 <1 NA 0.25 <0.2 90 NA 38 Bear Leah 02/06/2014 6.2 334 0.7 NM 33.3 NA <1 102 NA NA 18300 798 NA NA NA <0.2 NA NA 38 Bear Leah 08/05/2014 4.7 436 2.44 NM 29.2 <1 1.17 50 <5 116 2120 1650 <1 NA 79 <0.2 270 NA AMW-01B 08/05/2014 7.1 449 0.23 NM 19.4 <1 <1 425 <5 <5 3320 378 <1 NA 130 <0.2 330 NA AMW-01B DUP 08/05/2014 7.1 449 0.23 NM 19.4 <1 <1 425 <5 <5 3540 378 <1 NA 130 <0.2 340 NA CB-04B 11/18/2010 NM 315 NM NM 2.26 <0.5 <5 <50 <5 NA 429 35.1 <10 NA 100 <0.1 219 NA CB-04B 04/10/2012 6.5 363 0.56 146.9 2.62 <0.5 <5 <50 <5 NA 338 23.1 <10 NA 88.8 <0.1 198 NA CB-04B 07/16/2012 7.1 285 2.24 164.5 1.87 <0.5 <5 <50 <5 NA 643 32.8 <10 NA 63.2 <0.1 169 NA CB-04B 11/15/2012 7.2 328 0.65 192.8 1.27 <0.5 <5 <50 <5 NA 569 31.6 <10 NA 54.7 <0.1 146 NA CB-04B 04/03/2013 7.1 302 0.34 190.9 1.54 <1 7.31 <50 <5 NA 483 39 <1 NA 61 <0.2 170 NA CB-04B 07/01/2013 6.2 296 1.18 173.2 1.76 <1 2.7 <50 <5 NA 335 42 <1 NA 63 <0.2 170 NA CB-04B 11/06/2013 6.9 286 0.4 242 5.1 <1 5.39 <50 <5 NA 398 45 <1 NA 63 <0.2 170 NA CB-04B 04/16/2014 7.2 348 0.3 223 1.9 <1 1 10.2 <50 <5 NA 529 42 <1 NA 68 <0.2 190 NA CB-04B DUP 11/15/2012 7.2 328 0.65 192.8 1.27 <0.5 <5 <50 <5 NA 498 30.8 <10 NA 55.9 <0.1 147 NA GW-02 12/14/2007 5.7 261 NM NM NM <5 8.3 322 31.1 NA 33200 NA <10 NA 69.1 0.1 200 NA GW-02 04/21/2008 5.4 266 NM NM NM <5 <5 386 <5 NA 7380 171 <10 NA 63.3 0.13 182 NA GW-02 10/13/2008 5.6 333 NM NM NM <5 <5 400 <5 NA 357 66.5 <10 NA 70.2 <0.1 204 NA GW-02 04/14/2009 5.5 361 NM NM NM <5 <5 418 <5 NA 286 90.1 <10 NA 66 <0.5 294 NA GW-02 10/16/2009 5.7 518 NM NM NM I <5 <5 431 7 NA 141 130 <10 NA 66.4 <0.5 312 NA GW-02 05/11/2010 5.4 620 NM NM NM <5 <5 377 <5 NA 460 141 <10 NA 70.1 <0.1 370 NA GW-02 02/18/2014 5.3 816 2.8 NM 4.32 <1 1 964 <5 6.9 56 1820 <1 NA 78 <0.2 600 NA PZ-01D 12/14/2006 7 0.847 NM NM NM 10.8 <2 272 <2 NA 4540 1230 <2 NA 250 4.4 595 NA PZ-17D 12/14/2006 5.9 0.378 NM NM NM <2 <2 762 <2 NA 2750 47.9 44.6 NA 110 <4 267 NA PZ-17D 06/12/2007 7.3 403 NM NM NM <0.1 1.5 677 0.14 NA 200 60.8 46.7 NA 121 0.053 305 NA PZ-17D 02/18/2014 5.8 518.1 0.3-9 NM 6.4 <1 <1 967 8 <1 369 49 20.1 NA 160 <0.2 340 1 NA PZ-17S 12/14/2006 6.3 0.169 NM NM NM <2 <2 102 <2 NA <20 315 14.8 NA 49 <4 125 NA PZ-17S 06/12/2007 7.2 146 NM NM NM 0.57 0.47 66.5 <16 NA 319 139 18.3 NA 36.1 0.22 95 NA Prepared by: BER/SRW Checked by: TOP Notes: 0 - Total metal concentration greater than 2L or IMAC and maximum concentration from background data set 0 - Total metal concentration less than appropriate comparative value in bold (2L, IMAC, or Provisional background) ug/I = microgram per liter DO = Dissolved Oxygen mV = millivolts Eh = Redox potential ORP = Oxidation Reduction Potential Deg C = Degree Celsius NE = Not established NTU = nephelometric turbidity unit ft = feet DUP = Duplicate S.U. = Standard Unit NO = Not determined Spec Cord = Specific Conductance umhos/cm = micro mhos per centimeter NM = Not measured Temp = Temperature mg/I = milligrams per liter NA = Not analyzed * - Interim Maximum Allowable Concentrations (IMACs) of the 15A NCAC 02L Standard, Appendix 1, April, 1, 2013. P:\Duke Energy Progress. 1026\102. Asheville Ash Basin GW Assessment Plan\16.Corrective Action Plan\Tables\Table 2-15 Exceedances in Bedrock GeoUnit.xlsx Page 1 of 1 TABLE 2-16 SURFACE WATER EXCEEDANCES ASHEVILLE STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC, ARDEN, NC Analytical Parameter CoSpecific nductance Dissolved oxygen Eh Turbidity Flow Flow Aluminum Antimony Arsenic Boron Cadmium Cadmium Chloride Chromium Chromium Cobalt Copper Fluoride Iron Lead Lead Manganese Mercury Nitrate Selenium Strontium Strontium Sulfate Thallium Total Dissolved Solids Vanadium Zinc Zinc TOT TOT TOT TOT TOT DIS TOT DIS TOT DIS TOT TOT DIS TOT TOT TOT DIS TOT TOT TOT DIS TO Reporting Units umhos/cm mg/l mV NTUs GPM MGD ug/l ug/l ug/l ug/l ug/l ug/l mg/l ug/l ug/l ug/l ug/l mg/l us/1 ug/l ug/l ug/l ug/I mg/l ug/l ug/l ug/l mg/l ug/l mg/l ug/l ug/l ug/I SSA NCAC 026 / EPA Human Health April 2015 NE NE NE 50 NE NE BODO 640 SO NE NE NE NE NE NE 4 NE NE NE NE NE 100 NE NE 4200 NE 40000 NE 0.47 NE NE NE 26000 SSA NCAC 02B / EPA Ecological April 2015 NE 5 NE 50 NE NE 87 NE NE NE NE 0.15 230 NE 11 NE 2.7 NE NE NE 0.54 NE 0.012 NE 5 NE NE NE NE NE NE 36 NE 15A NCAC 02L Standard NE NE NE NE NE NE NE 1 10 700 2 NE 250 10 NE 1 NE 2 300 15 NE 50 1 SO 20 NE NE 250 0.2 500 0.3 NE 1000 PROVISIONAL BACKGROUND CONCENTRATION NE NE I NE NE NE NE 1650 NO NO NO NO NO 9.8 NO NO NO 3.8 9.58 1580 NO ND 68 0.0041 12 NO NE 33 5.2 1 0.209 79 1.9 NE 18 Sample ID Sample Collection Date Field Parameters Analytical Results BACKGROUND SURFACE WATER FB-01 06/26/2014 476 5.32 NM 12 NM NM 950 <1 <1 <50 <1 <1 2.1 <1 <1 NA NA <1 969 <1 <1 39 <0.05 NA <1 NA NA 1.8 <0.2 30 NA NA 6 FB-01 06/02/2015 40 8.18 297 34.6 NM NM 1650 <1 <1 <50 <1 <1 2.6 <1 <1 <1 <1 NA 1580 <1 <1 52 0.00396 NA <1 18 20 1.6 <0.2 36 1.86 6 7 FB-01 DUP 06/02/2015 40 8.18 297 34.6 NM NM 1180 <1 <1 <50 <1 NM 2.5 <1 NM <1 <1 NA 1160 <1 NM 39 0.00321 NA <1 18 19 1.4 0.202 40 1.65 8 7 SW-06 04/09/2015 926 10.21 226 37.7 NM 0.31441 1220 <1 <1 <50 <1 <1 9.8 <1 <1 <1 1.32 NA 1540 <1 <1 68 0.00412 NA <1 32 33 3.9 <0.2 73 1.13 26 18 SW-07 04/09/2015 729 6.63 215 3.43 NM NM 61 <1 <1 <50 <1 <1 11 <1 <1 <1 1.63 NA 115 <1 <1 8 <0.0005 NA <1 22 22 5.2 0.209 48 0.304 47 <5 SW-07 DUP 04/09/2015 729 6.63 215 3.43 NM NM 124 <1 <1 <50 <1 <1 11 <1 <1 <1 3.75 NA 330 <1 <1 11 <0.0005 NA <1 22 21 5.2 <0.2 53 0.452 12 18 SW-H2 08/05/2014 99 ok NM 6.1 NM NM NA <1 <1 <50 <1 NM 8 <5 NM <5 NA NA 37 <1 NM 9 <0.05 12 <1 NA NA 2 <0.2 79 NA NA 6 SW-1-13 08/05/2014 92 1 7.16 1 NM 7.6 NM NM NA <1 <1 <50 <1 NM 8.5 <5 NM <5 NA NA 25 <1 NM <5 1 <0.05 12 <1 NA NA 2.3 <0.2 70 1 NA NA 5 SURFACE WATER FB-02 06/26/2014 34 6.2 NM 16 NM NM 934 <1 <1 <50 <1 <1 2.1 <1 <1 NA NA <1 992 <1 <1 45 <0.05 NA <1 NA NA 1.9 <0.2 32 NA NA 6 FB-02 06/02/2015 40 7.92 307 35.4 NM NM 1690 <1 <1 <50 <1 NM 2.6 <1 NM <1 <1 NA 1650 1.22 NM 59 0.00558 NA <1 18 20 2.9 <0.2 36 1.93 14 14 SW-01 04/02/2015 854 8.32 236 4.67 NM 0.97151 62 <1 <1 <50 <1 <1 7.8 <1 <1 <1 <1 NA 948 <1 <1 397 0.00168 NA <1 39 40 19 <0.2 69 <0.3 86 <5 SW-04 04/02/2015 1440 7.26 246 33.9 NM 0.01214 1840 <1 <1 1210 <1 <1 150 1.76 <1 2.48 <1 NA 20100 1.96 <1 Soo 0.00767 NA 6.34 404 404 64 <0.2 620 2.77 13 13 SW-05 04/06/2015 1248 9.5 299 19.1 NM NM 3180 7.11 81.1 1180 <1 <1 13 11.2 8.98 8.37 1.57 NA 1520 2.5 <1 716 0.00112 NA 25.4 385 416 170 0.574 320 37.1 65 37 SW-05 DUP 04/06/2015 1248 9.5 299 19.1 NM NM 1380 7.09 77.9 1170 <1 <1 13 10.1 8.89 5.89 1.87 NA 423 <1 <1 308 0.00216 NA 26.9 389 402 170 0.505 310 33.5 10 12 SW-13(1-11) 08/05/2014 112 6.19 NM 5.4 NM NM NA <1 <1 63 <1 NM 6.9 <5 NM <5 NA NA 160 <1 NM 59 <0.05 4.9 <1 NA NA 11 <0.2 73 NA NA <5 TD-01 02/20/2014 608 6.2 NM 19.6 NM NM NA <1 1.06 689 1 <1 NM 56 <5 NM <1 NA NA 747 <1 NM 69 <0.05 NA 3.02 NA NA 170 <0.02 400 NA NA 8 SW-01_2012 08/23/2012 NM NM NM NM NM NM NA NA NA 1240 NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA SW-02_2012 08/23/2012 NM NM NM NM NM NM NA NA NA 1140 NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA SW-03_2012 08/23/2012 NM NM NM NM NM NM NA NA NA 1210 NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA SW-04_2012 10/08/2012 NM NM NM NM NM NM NA NA NA 1190 NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA SW-08_2012 08/23/2012 NM NM NM NM NM NM NA NA NA 987 NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA SW-09_2012 08/23/2012 NM NM NM NM NM NM NA NA NA 778 NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA SW-11_2012 08/23/2012 NM NM NM NM NM NM NA NA NA 942 NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA SW-12_2012 08/23/2012 NM NM NM NM NM NM NA NA NA 1ISO NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA SEEPS 64EO-01 06/26/2014 1053 4.96 NM 0.34 NM 0.01462 14 <1 <1 1220 <1 NM 110 <1 NM NA NA <1 <10 <1 NM 6700 <0.05 NA 1.36 NA NA 290 <0.2 720 NA NA 5 64EO-01 DUP 06/26/2014 1053 4.96 NM 0.34 NM 0.01462 16 <1 <1 1210 <1 NM 110 <1 NM NA NA <1 <10 <1 NM 6650 <0.05 NA 1.46 NA NA 290 <0.2 720 NA NA <5 64EO-01 08/11/2015 1271 6.4 336 0.28 NM NM 8 <1 <1 1670 <1 NM 140 <1 NM NA NA <0.5 <10 <1 NM 7020 0.00248 NA 1.73 NA NA 380 0.225 960 NA NA <5 64EO-02 06/26/2014 1092 5.24 NM 0.35 NM 0.03968 11 <1 <1 1410 <1 NM 120 <1 NM NA NA <1 <10 <1 NM 7020 <0.05 NA 1.92 NA NA 330 <0.2 770 NA NA 5 64EO-02 08/11/2015 1172 5.09 318 0.1 NM NM <5 <1 <1 1910 <1 NM 130 <1 NM NA NA <0.5 <10 <1 NM 7170 0.00115 NA 2.22 NA NA 360 <0.2 Sao NA NA <5 64EO-03 06/26/2014 1205 6.26 NM 0.85 NM 0.00002 9 <1 <1 1090 <1 NM 300 <1 NM NA NA <1 95 <1 NM 6510 <0.05 NA <1 NA NA 120 <0.2 1100 NA NA 14 64EO-03 08/11/2015 1522 7.37 296 0.26 NM NM <5 <1 <1 1800 <1 NM 370 <1 NM NA NA <0.5 78 <1 NM 4630 0.000583 NA <1 NA NA 150 0.468 1700 NA NA 69 82EO-01 06/26/2014 199 5.29 NM 0.62 NM 0.00225 11 <1 <1 781 <1 NM 12 <1 NM NA NA <1 25 <1 NM 2670 <0.05 NA <1 NA NA 150 <0.2 270 NA NA <5 82EO-02 06/26/2014 313 4.9 NM 0.16 NM 0.01255 21 <1 <1 BID <1 NM 11 <1 NM NA NA <1 12 <1 NM 3700 <0.05 NA <1 NA NA 120 <0.2 200 NA NA <5 82EO-02 07/23/2014 309 5.05 NM 0.22 NM NM NA <1 <1 845 <1 NM 11 <5 NM 26 NA NA 13 <1 NM 3690 <0.05 NA <1 NA NA 120 1 <0.2 200 NA NA 16 82EO-02 08/11/2015 334 7.08 357 0.2 NM NM 15 <1 <1 938 <1 NM 10 <1 NM NA NA <0.1 12 <1 NM 4250 0.0216 NA <1 NA NA 120 <0.2 210 NA NA <5 A-01 06/25/2014 426 5.06 NM 4.5 NM 0.00507 186 <1 <1 953 <1 <1 87 <1 <1 NA NA <1 668 <1 <1 509 c0.05 NA 3.63 NA NA 48 <0.2 280 NA NA 7 A-01 04/02/2015 1362 9.42 258 12.5 NM 0.02073 3210 <1 <1 1460 <1 NM 100 2.88 NM 3.23 <1 NA 5670 2.26 NM 552 0.0367 NA 6.18 308 310 72 <0.2 450 3.61 5 20 A-02 06/25/2014 224 5.3 NM 4 NM 0.00063 115 <1 <1 378 <1 NM 54 <1 NM NA NA <1 3740 <1 NM 1480 <0.05 NA <1 NA NA 11 <0.2 150 NA NA 8 B-01 06/25/2014 1393 5.91 NM 12 NM 0.000631 417 <i I <1 1810 <1 <1 340 <1 <1 NA NA <1 985 <1 <1 277 <0.05 NA <1 NA NA 130 <0.2 980 NA NA 6 B-01 04/01/2015 1619 9 243 20.4 NM 0.08116 468 <1 <1 4200 <1 NM SID <1 NM <1 <1 NA 879 <1 NM 92 0.0104 NA I <1 2250 2320 260 <0.2 2200 0.804 <5 <5 C-01 06/25/2014 990 6.78 NM 3.8 NM No Flow 321 <1 1.38 1340 <1 <1 95 <1 <1 NA NA <1 1630 <1 <1 6620 <0.05 NA 1.95 NA NA 300 <0.2 670 NA NA 19 C-01 04/01/2015 1478 9.8 161 6.66 NM 0.10082 735 <1 <1 1730 <1 NM 120 <1 NM 16.9 <1 NA 1360 <1 NM 7210 0.00104 NA 2.64 1820 1900 360 <0.2 880 1.08 6 9 C-02 06/26/2014 1165 5.87 NM 3.5 NM 0.07606 70 <1 3.15 14SO <1 <1 100 <1 <1 NA NA <1 133 <1 <1 7620 <0.05 NA 2.51 NA NA 350 <0.2 790 NA NA 10 C-02 04/06/2015 1451 7.28 425 1.04 NM 0.06350 137 <1 2.02 1860 <1 NM 130 <1 NM 21.7 <1 NA 308 <1 NM 8390 0.00154 NA 2.56 2130 2150 400 <0.2 920 1.26 <5 <5 D-01 06/25/2014 629 5.31 NM 11 NM 0.04107 1970 <1 <1 1100 <1 <1 47 <1 <1 NA NA <1 7690 2 <1 3780 <0.05 NA <1 NA NA 210 <0.2 420 NA NA 43 D-01 04/01/2015 1632 6.5 184 3.67 NM 0.01465 74 <1 <1 1460 <1 NM 93 <1 NM 1.72 <1 NA 1220 <1 NM 1500 <0.0005 NA <1 464 467 220 <0.2 570 <0.3 11 <5 E-01 06/25/2014 400 6.86 NM 6.3 NM 0.051701 139 <1 <1 696 1 <1 <1 13 <1 <1 NA NA I <1 1430 <1 <1 2820 <0.05 NA 1.64 NA NA 130 <0.2 260 NA NA 6 E-01 04/01/2015 1119 8.8 192 1 4.42 NM 0.01091 176 <1 <1 676 <1 NM 31 <1 NM 1.01 <1 NA 1340 <1 NM 2220 0.00362 NA <1 310 303 140 <0.2 310 0.333 <5 <5 F-01 06/25/2014 427 5.92 NM 5.4 NM 0.12244 352 <1 1.21 773 <1 <1 15 <1 <1 NA NA <1 5990 <1 <1 2920 <0.05 NA <1 NA NA 140 <0.2 270 NA NA 16 F-01 04/01/2015 1369 9.1 262 5.8 NM 0.10033 200 <1 <1 862 <1 NM 19 <1 NM 1.61 <1 NA 1890 <1 NM 928 0.00169 NA <1 270 267 150 <0.2 290 0.38 8 5 F-02 06/25/2014 271 2.33 NM 6.1 NM 0.00309 153 <1 <1 355 <1 <1 9.5 <1 <1 NA NA <1 2080 <1 <1 396 <0.05 NA <1 NA NA 79 <0.2 190 NA NA <5 F-02 04/01/2015 1343 6.7 346 5.03 NM 0.00272 49 <1 <1 395 <1 NM 14 <1 NM <1 <1 NA 688 <1 NM 156 0.000623 NA <1 180 187 150 <0.2 290 <0.3 <5 <5 F-03 06/25/2014 371 4.99 NM 7.7 NM 0.12958 52 <1 I <1 798 <1 NM 13 <1 NM NA NA <1 5230 <1 NM 1700 <0.05 NA <1 NA NA 130 1 <0.2 250 NA NA <5 F-03 08/11/2015 394 5.31 275 2.95 NM NM 12 <1 2.44 1130 <1 NM 13 <1 NM NA NA <0.1 1860 <1 NM 2760 0.000886 NA <1 NA NA 140 <0.2 260 NA NA <5 K-01 06/26/2014 363 3.68 NM 2.3 NM 0.08175 21 <1 1.5 941 <1 <1 11 <1 <1 NA NA <1 934 <1 <1 1580 <0.05 NA <1 NA NA 130 <0.2 240 NA NA <5 K-01 04/06/2015 1254 6.62 238 1.66 NM 0.01187 117 <1 <1 967 <1 NM 13 <1 NM 1.41 <1 NA 356 <1 NM 618 0.0028 NA <1 272 268 140 <0.2 250 0.343 7 <5 K-02 06/26/2014 383 5.02 NM 0.68 NM 0.00027 147 <1 <1 830 <1 NM 8.8 <1 NM NA NA <1 39 <1 NM 621 <0.05 NA 4.79 NA NA 160 0.567 260 NA NA 10 M-01 06/26/2014 383 3.67 NM 0.68 NM 0.00332 11 <1 <1 923 <1 <1 11 1.11 <1 NA NA <1 38 <1 <1 151 <0.05 NA 3.05 NA NA 170 <0.2 300 NA NA 8 M-01 04/06/2015 1284 7.7 294 2.05 NM 0.00223 26 <1 <1 775 <1 NM 13 <1 NM <1 <1 NA 145 <1 NM 135 0.0067 NA 2.25 351 297 170 <0.2 280 <0.3 108 <5 N-01 O6/25/2014 211 7.38 NM 17 NM 0.02208 752 <1 <1 163 3.19 NM 6.4 7.74 NM NA NA <1 1670 1.11 NM 1 1340 <0.05 NA <1 NA I NA 1 61 1 <0.2 1 NA 14 P:\Duke Energy Progress. 1026\102. Asheville Ash Basin GW Assessment Plan\16.Corrective Action Plan\Tables\Table 2-16 Exceedances in Surface Water and Seeps.xlsx Page 1 of 3 TABLE 2-16 SURFACE WATER EXCEEDANCES ASHEVILLE STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC, ARDEN, NC Analytical Parameter CoSpecific nductance Dissolved oxygen Eh Turbidity Flow Flow Aluminum Antimony Arsenic Boron Cadmium Cadmium Chloride Chromium Chromium Cobalt Copper Fluoride Iron Lead Lead Manganese Mercury Nitrate Selenium Strontium Strontium Sulfate Thallium Total Dissolved Solids Vanadium Zinc Zinc TOT TOT TOT TOT TOT DIS TOT DIS TOT DIS TOT TOT DIS TOT TOT TOT DIS TOT TOT TOT DIS TO Reporting Units umhos/cm mg/l mV NTUs GPM MGD ug/l ug/l ug/l ug/l ug/l ug/l mg/l ug/l ug/l ug/l ug/l mg/l ug/l ug/l ug/l ug/l ug/I mg/l ug/l ug/l ug/l mg/I ug/l mg/l ug/l ug/l ug/I SSA NCAC 026 / EPA Human Health April 2015 NE NE NE 50 NE NE BODO 640 SO NE NE NE NE NE NE 4 NE NE NE NE NE 100 NE NE 4200 NE 40000 NE 0.47 NE NE NE 26000 SSA NCAC 02B / EPA Ecological April 2015 NE 5 NE 50 NE NE 87 NE NE NE NE 0.15 230 NE 11 NE 2.7 NE NE NE 0.54 NE 0.012 NE 5 NE NE NE NE NE NE 36 NE 15A NCAC 02L Standard NE NE NE NE NE NE NE 1 10 700 2 NE 250 10 NE 1 NE 2 300 15 NE 50 1 SO 20 NE NE 250 0.2 500 0.3 NE 1000 PRO VISIONAL BACKGROUND CONCENTRATION NE NE NE NE NE NE 1650 NO NO NO NO NO 9.8 NO NO ND 3.8 9.58 1580 NO NO 68 0.0041 12 1 NO NE 33 5.2 1 0.209 79 1.9 NE 18 Sample ID Sample Collection Date Field Parameters Analytical Results N-01 DUP O6/25/2014 211 7.38 NM 17 NM 0.02208 618 <1 <1 163 2.98 NM 6.4 7.06 NM NA NA <1 1500 <1 NM 1320 <0.05 NA <1 NA NA 61 <0.2 150 NA NA 14 N-01 08/11/2015 257 8.6 285 18 NM NM 768 <1 <1 65 2.75 NM 5.5 4.84 NM NA NA <0.1 1740 <1 NM 1610 0.0216 NA <1 NA NA 76 <0.2 170 NA NA 11 P-01 06/26/2014 109 5.3 NM 10 NM 0.57559 437 <1 <1 52 <1 <1 6.1 <1 <1 NA NA <1 1020 <1 <1 62 <0.05 NA <1 NA NA 10 <0.2 76 NA NA <5 P-01 04/02/2015 864 9.82 248 9.12 NM 0.06870 335 <1 <1 51 <1 <1 9.3 <1 <1 <1 <1 NA 746 <1 <1 59 0.00212 NA <1 74 71 9.4 <0.2 66 0.57 16 243 P-01 DUP 04/02/2015 864 9.82 248 9.12 NM NM 348 <1 <1 51 <1 NM 9.3 <1 NM <1 <1 NA 765 <1 NM 60 0.00211 NA <1 73 72 9.3 <0.2 68 0.586 6 84 Ponded Water F 06/25/2014 472 3.37 NM 24 NM No Flow 982 1.42 9.69 383 <1 NM 97 <1 NM NA NA <1 1020 1.02 NM 296 <0.05 NA 9.83 NA NA 37 0.3 470 NA NA 13 SD-01 06/25/2014 142 7.31 NM 3.9 NM 0.00030 76 <1 <1 <50 <1 NM 13 <1 NM NA NA <1 660 <1 NM 285 <0.05 NA <1 NA NA 8.2 <0.2 85 NA NA 28 NCDEQ SEEP SPLIT SAMPLES Outfall 001 French Broad AVL WW 001.0310 03/10/2014 NM NM NM NM NM NM 1510 7.3 57.1 4490 <1 NM 130 12 NM NA NA 1.2 417 1.25 NM 257 NA NA 51.9 NA NA 220 0.84 630 NA NA 12.6 Outfall 001 Normal AVL WW069. 031114 03/11/2014 NM NM NM NM NM NM 1450 6.88 53.2 4200 <1 NM 130 11 NM NA NA 1.2 415 1.17 NM 243 NA NA ".1 NA NA 220 0.82 650 NA NA 11.6 Outfall 005 AVL WW 072. 031114 03/11/2014 NM NM NM NM NM NM 46 <1 <1 57500 <1 NM 2600 1.17 NM NA NA 5.5 12 <1 NM 1220 NA NA 141 NA NA 670 0.25 5600 NA NA 9.12 Duck Pond Inf AVL WW 076. 031114 03/11/2014 NM NM NM NM NM NM 2280 5.74 53.1 1760 <1 NM 13 10.7 NM NA NA <1 813 1.95 NM 84 NA NA 30.5 NA NA 180 0.62 350 NA NA 10 SEEP AVL SEEP 002.031014 03/10/2014 NM NM NM NM NM NM 300 <1 <1 403 <1 NM 64 <5 NM NA NA <1 7330 <1 NM 2230 NA NA <1 NA NA 21 <0.2 150 NA NA 9 SEEP AVL STR 003.031014 03/10/2014 NM NM NM NM NM NM 264 <1 <1 1250 <1 NM 90 <5 NM NA NA <1 508 <1 NM 312 NA NA 5.05 NA NA 64 <0.2 300 NA NA 11 SEEP AVL SEEP 004.031014 03/10/2014 NM NM NM NM NM NM 3990 <1 <1 1990 <1 NM 72 <5 NM NA NA <1 4040 2.33 NM 728 NA NA 3.87 NA NA 80 <0.2 250 NA NA 26 SEEP AVL STR 005.031014 03/10/2014 NM NM NM NM NM NM 131 <1 <1 1080 <1 NM 100 <5 NM NA NA <1 561 <1 NM 261 NA NA 5.86 NA NA 63 <0.2 320 NA NA 7 SEEP AVL STR 006.031014 03/10/2014 NM NM NM NM NM NM 130 <1 <1 335 <1 NM 99 <5 NM NA NA <1 626 1 <1 NM 214 NA NA <1 NA NA 38 1 <0.2 290 NA NA <5 SEEP AVL STR 007.031014 03/10/2014 NM NM NM NM NM NM 531 <1 <1 2010 <1 NM 300 <5 NM NA NA <1 2320 <1 NM 853 NA NA <1 NA NA 180 <0.2 890 NA NA 19 SEEP AVL WTLD 008.031014 03/10/2014 NM NM NM NM NM NM 92 <1 <1 1530 <1 NM 69 <5 NM NA NA <1 1720 <1 NM 750 NA NA 1.03 NA NA 180 <0.2 450 NA NA 12 SEEP AVL SOO 009.031014 03/10/2014 NM NM NM NM NM NM 9 <1 <1 530 <1 NM 110 <5 NM NA NA <1 5810 <1 NM 4660 NA NA <1 NA NA 84 <0.2 380 NA NA 9 SEEP AVL WTLD 010.031014 03/10/2014 NM NM NM NM NM NM 112 <1 <1 783 <1 NM 47 <5 NM NA NA <1 20800 <1 NM 6390 NA NA 1.39 NA NA 170 <0.2 360 NA NA <5 SEEP AVL SEEP 011.031014 03/10/2014 NM NM NM NM NM NM 20 <1 2.25 763 <1 NM 26 <5 NM NA NA <1 2800 <1 NM 1310 NA NA <1 NA NA 120 <0.2 240 NA NA <5 SEEP AVL STR 012.031014 03/10/2014 NM NM NM NM NM NM 7 <1 <1 876 <1 NM 14 <5 NM NA NA <1 484 <1 NM 789 NA NA <1 NA NA 130 <0.2 230 NA NA <5 SEEP AVL STR 013.031014 03/10/2014 NM NM NM NM NM NM 55 <1 <1 <50 <1 NM NA <5 NM NA NA NA 445 <1 NM 172 NA NA <1 NA NA NA <0.2 NA NA NA <5 SEEP AVL STR 014.031014 03/10/2014 NM NM NM NM NM NM 825 <1 <1 120 1.93 NM NA 7 NM NA NA NA 2020 <1 NM 593 NA NA <1 NA NA NA <0.2 NA NA NA 12 SEEP AVL SOO 015.031114 03/11/2014 NM NM NM NM NM NM 374 <1 <1 <50 <1 NM 11 <5 NM NA NA <1 1150 <1 NM 237 NA NA <1 NA NA 7.9 <0.2 74 NA NA 22 SEEP AVL STR 016.031114 03/11/2014 NM NM NM NM NM NM 96 <1 <1 <50 <1 NM 15 <5 NM NA NA I <1 2310 <1 NM 418 NA NA <1 NA NA 9.5 <0.2 56 1 NA NA <5 AVL TD 073. 031114 03/11/2014 NM NM NM NM NM NM 5 NA NA 681 NA NM 11 <5 NM NA NA <1 41 NA NM 2220 NA NA NA NA NA 140 NA 332 NA NA 11 AVL TO 071. 031114 03/11/2014 NM NM NM NM NM NM 10 <1 <1 1340 <1 NM 120 <5 NM NA NA <1 <10 <1 NM 7730 NA NA 1.16 NA NA 300 <0.2 740 NA NA 11 AVL TD 066. 031114 03/11/2014 NM NM NM NM NM NM 140 <1 <1 <50 <1 NM 6.8 <5 NM NA NA <1 701 <1 NM 319 NA NA <1 NA NA 4.5 <0.2 28 NA NA 38 AVL SEEP 075. 031114 03/11/2014 NM NM NM NM NM NM 295 <1 <1 869 <1 NM 9.9 <5 NM NA NA <1 202 <1 NM 660 NA NA 5.12 NA NA 180 0.38 282 NA NA 19 AVL TD 074. 031114 03/11/2014 NM NM NM NM NM NM 19 <1 <1 820 <1 NM 11 <5 NM NA NA <1 26 <1 NM 3540 NA NA <1 NA NA 110 <0.2 195 NA NA 8 AVL TO 070. 031114 03/11/2014 NM NM NM NM NM NM 7 <1 1.06 1550 <1 NM 120 <5 NM NA NA <1 <10 <1 NM 8680 NA NA 1.71 NA NA 340 <0.2 791 NA NA 8 AVL LK 067. 031114 03/11/2014 NM NM NM NM NM NM 144 <1 <1 <50 <1 NM 9.7 <5 NM NA NA <1 182 <1 NM 9 NA NA <1 NA NA 5.9 <0.2 40 1 NA NA <5 SEEP AVL STR 051.031014 03/10/2014 NM NM NM NM NM NM 144 <1 <1 1090 <1 NM 89 <5 NM NA NA <1 432 <1 NM 363 NA NA 4.72 NA NA 59 <0.2 300 NA NA 12 SEEP AVL STR052.031014 03/10/2014 NM NM NM NM NM NM 32 <1 <1 3010 <1 NM 470 <5 NM NA NA <1 96 <1 NM 45 NA NA <1 NA NA 230 <0.2 1400 NA NA 5 SEEP AVL Pond 053.031014 03/10/2014 NM NM NM NM NM NM 26 <1 1.73 476 <1 NM 140 <5 NM NA NA <1 512 <1 NM 173 NA NA 3.3 NA NA 68 <0.2 450 NA NA 7 SEEP AVL STR 054.031014 03/10/2014 NM NM NM NM NM NM 20 <1 1.72 1390 <1 NM 110 <5 NM NA NA <1 1620 <1 NM 7030 NA NA 1.66 NA NA 310 <0.2 710 NA NA 11 SEEP AVL WW 055.031014 03/10/2014 NM NM NM NM NM NM 12 <1 1.05 1460 <1 NM 110 <5 NM NA NA <1 211 <1 NM 8250 NA NA 2.02 NA NA 350 <0.2 Boo NA NA 12 SEEP AVL STR 056.031014 03/10/2014 NM NM NM NM NM NM 26 <1 <1 1190 <1 NM 75 <5 NM NA NA <1 4760 <1 NM 1780 NA NA <1 NA NA 160 <0.2 410 NA NA <5 SEEP AVL STR 057.031014 03/10/2014 NM NM NM NM NM NM 136 <1 <1 64 <1 NM 9.6 <5 NM NA NA <1 406 1 <1 NM 46 NA NA <1 NA NA 13 1 <0.2 68 NA NA <5 SEEP AVL WTLD 058.031014 03/10/2014 NM NM NM NM NM NM 1080 <1 <1 148 <1 NM 22 <5 NM NA NA <1 846 <1 NM 202 NA NA <1 NA NA 39 <0.2 90 NA NA 7 SEEP AVLWTLD 059.031014 03/10/2014 NM NM NM NM NM NM 68 <1 <1 352 <1 NM 11 <5 NM NA NA <1 1530 <1 NM 270 NA NA <1 NA NA 130 <0.2 210 NA NA 10 SEEP AVL STR 060.031014 03/10/2014 NM NM NM NM NM NM 102 <1 <1 323 <1 NM 12 <5 NM NA NA <1 676 <1 NM 302 NA NA <1 NA NA 110 <0.2 200 NA NA 6 SEEP AVL STR 061.031014 03/10/2014 NM NM NM NM NM NM 59 <1 <1 795 <1 NM 15 <5 NM NA NA <1 2400 <1 NM 904 NA NA <1 NA NA 150 <0.2 250 NA NA 6 SEEP AVLWLTD 062.031014 03/10/2014 NM NM NM NM NM NM 20 <1 <1 786 <1 NM 17 <5 NM NA NA <1 1320 <1 NM 1020 NA NA <1 NA NA 150 <0.2 260 NA NA 5 SEEP AVLSTR 063.031014 03/10/2014 NM NM NM NM NM NM 38 <1 <1 795 <1 NM 27 <5 NM NA NA <1 537 <1 NM 1080 NA NA 1.3 NA NA 160 <0.2 290 NA NA <5 SEEP AVL STR 064.031014 03/10/2014 NM NM NM NM NM NM 510 <1 <1 576 <1 NM 11 <5 NM NA NA <1 4660 <1 NM 6060 NA NA <1 NA NA 370 <0.2 560 NA NA 8 SEEP AVL STR 065.031014 03/10/2014 NM NM NM NM NM NM 169 <1 <1 <50 <1 NM 42 <5 NM NA NA <1 230 <1 NM 11 NA NA <1 NA NA 13 <0.2 160 NA NA 44 AVL STR 018.031114 03/11/2014 NM NM NM NM NM NM 114 <1 <1 135 <1 NM 8.8 <5 NM NA NA <1 348 <1 NM 69 NA NA <1 NA NA 19 <0.2 60 NA NA <5 AVL SEEP 019.031114 03/11/2014 NM NM NM NM NM NM 124 <1 <1 899 <1 NM 11 <5 NM NA NA <1 1210 <1 NM 604 NA NA 4.48 NA NA 180 <0.2 272 NA NA 9 AVL SEEP 020.031114 03/11/2014 NM NM NM NM NM NM 21 <1 <1 fill <1 NM 13 <5 NM NA NA <1 237 <1 NM 324 NA NA 2.06 NA NA 160 <0.2 252 NA NA <5 AVL SEEP 021.031114 03/11/2014 NM NM NM NM NM NM 20 <1 <1 836 <1 NM 53 <5 NM NA NA <1 138 <1 NM 35 NA NA 14.4 NA NA 150 <0.2 333 NA NA <5 AVL STR 023.031114 03/11/2014 NM NM NM NM NM NM 56 <1 <1 888 <1 NM 13 <5 NM NA NA <1 680 <1 NM 799 NA NA <1 NA NA 140 <0.2 224 NA NA 8 AVLSTR 024.031114 03/11/2014 NM NM NM NM NM NM 228 <1 <1 67 <1 NM 8.7 <5 NM NA NA <1 602 <1 NM 56 NA NA <1 NA NA 12 <0.2 54 NA NA <5 NCDEQ SEEP SAMPLES Permitted outfall 002 referred to as ho 03/11/2014 70 6.97 M NM NM <50 <10 <2 <50 <0.05 NM 11 <10 NM NA NA <0.4 72 <2 NM <10 NA NA <5 NA 25 5.7 <2 42 NA NA <10 Water sample at share of Lake Julian 03/11/2014 68 8.63 M NM NM 110 <10 <2 <50 <0.05 NM 10 <10 NM NA NA <0.4 120 <2 NM <10 NA NA <5 NA 24 5.7 <2 45 NA NA <10 Small wetland pond. No apprent channel c 03/10/2014 742 NM M NM NM 79 <10 <2 500 <0.05 NM 120 <10 NM NA NA <0.4 780 <2 NM ISO NA NA <5 NA 480 69 <2 478 NA NA 26 CMP - looks like DOT stormwater pipe dra 03/10/2014 653 10.41 TNMNM 0.49 NM <50 <10 <2 570 <0.05 NM 110 <10 NM NA NA <0.4 5600 <2 NM 4800 NA NA <5 NA 380 88 <2 286 NA NA 21S[ormwaterpie through lower access roa 03/10/2014 118 11.23 M 0.31 NM 1800 <10 <2 <50 <0.05 NM 13 <10 NM NA NA <0.4 1000 <2 NM 210 NA NA <5 NA 30 8.3 <2 78 NA NA 24Seep discharging approximately 100 feet 03/10/2014 257 7.3 M 0.31 NM 8800 <10 3.9 1100 <0.05 NM 61 15 NM NA NA <0.4 360000 15 NM 2200 NA NA <5 NA 82 14 <2 128 NA NA 36seep discharging at approximate toe of 1 03/10/2014 418 9.75 M NM NM 7400 <10 <2 2100 0.6 NM 71 <10 NM NA NA <0.4 7200 4.3 NM 840 NA NA 5.6 NA 280 75 <2 230 NA NA 42 P:\Duke Energy Progress. 1026\102. Asheville Ash Basin GW Assessment Plan\16.Corrective Action Plan\Tables\Table 2-16 Exceedances in Surface Water and Seeps.xlsx Page 2 of 3 TABLE 2-16 SURFACE WATER EXCEEDANCES ASHEVILLE STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC, ARDEN, NC Analytical Parameter CoSpecific nductance Dissolved oxygen Eh Turbidity Flow Flow Aluminum Antimony Arsenic Boron Cadmium Cadmium Chloride Chromium Chromium Cobalt Copper Fluoride Iron Lead Lead Manganese Mercury Nitrate Selenium Strontium Strontium Sulfate Thallium Total Dissolved Solids Vanadium Zinc Zinc TOT TOT TOT TOT TOT DIS TOT DIS TOT DIS TOT TOT DIS TOT TOT TOT DIS TOT TOT TOT DIS TO Reporting Units umhos/cm mg/I mV NTUs GPM MGD ug/I ug/I ug/1 ug/I ug/I ug/I mg/I ug/I ug/I ug/I ug/I mg/I ug/1 ug/I ug/I ug/I ug/I mg/1 ug/I ug/I ug/I mg/I ug/I mg/I ug/1 ug/I ug/I SSA NCAC 026 / EPA Human Health April 2015 NE NE NE 50 NE NE BODO 640 SO NE NE NE NE NE NE 4 NE NE NE NE NE 100 NE NE 4200 NE 40000 NE 0.47 NE NE NE 26000 SSA NCAC 02B / EPA Ecological April 2015 NE 5 NE 50 NE NE 87 NE NE NE NE 0.15 230 NE 11 NE 2.7 NE NE NE 0.54 NE 0.012 NE 5 NE NE NE NE NE NE 36 NE 15A NCAC 02L Standard NE NE NE NE NE NE NE 1 10 700 2 NE 250 10 NE 1 NE 2 300 15 NE 50 1 SO 20 NE NE 250 0.2 500 0.3 NE 1000 PROVISIONAL BACKGROUND CONCENTRATION NE NE NE NE NE NE 1650 NO NO NO NO NO 9.8 NO NO ND 3.8 9.58 1580 NO NO 68 0.0041 12 1 NO NE 33 5.2 1 0.209 79 1.9 NE 18 Sample ID Sample Collection Date Field Parameters Analytical Results Flow from toe of I-26 (Area of approxima 03/10/2014 NM NM NM NM 3.88 NM <50 <10 2 760 <0.05 NM 30 <10 NM NA NA <0.4 2800 <2 NM 1200 NA NA <5 NA 280 130 12 244 NA NA 15 seep below 1982 ash pond 03/11/2014 431 8.36 NM NM 9.1 NM <50 <10 <2 980 <0.05 NM 12 <10 NM NA NA <0.4 280 <2 NM 190 NA NA <5 NA 560 150 <2 292 NA NA 19 seep along I-26 flows north. Below 1982 03/11/2014 205 10.65 NM NM 5.18 NM <50 <10 <2 650 <0.05 NM 13 <10 NM NA NA <0.4 300 <2 NM 320 NA NA <5 NA 160 150 <2 269 NA NA 13 seep along I-26 flows south. Below 1982 03/11/2014 545 9.89 NM NM 2.6 NM <50 <10 <2 890 <0.05 NM 53 <10 NM NA NA <0.4 74 <2 NM 32 NA NA 16 NA 430 140 <2 324 NA NA 19 Seep along I-26. Flows south toward I-26 03/11/2014 417 9.04 NM NM 2.74 NM <50 <10 <2 540 <0.05 NM 31 <10 NM NA NA <0.4 64 <2 NM 25 NA NA <5 NA 130 120 <2 60 NA NA 18 Natural seep on south side of slope, in 03/11/2014 452 9.34 NM NM NM NM 190 <10 <2 850 <0.05 NM 10 <10 NM NA NA <0.4 79 <2 NM 600 NA NA 6 NA 670 150 <2 270 NA NA 27 Intermittent stream 03/10/2014 454 9.76 NM NM 13.66 NM 240 <10 <2 1300 <0.05 NM 88 <10 NM NA NA <0.4 490 <2 NM 300 NA NA 6.3 NA 320 65 <2 284 NA NA 22 unnamed tributary to French Broad below 03/10/2014 497 9.68 NM NM 14.3 NM 83 <10 <2 1200 <0.05 NM 100 <10 NM NA NA <0.4 420 <2 NM 260 NA NA 7.6 NA 350 64 <2 307 NA NA 22 unnamed tributary to French Broad - nort 03/10/2014 537 5.53 NM NM NM NM 59 <10 <2 370 <0.05 NM 110 <10 NM NA NA <0.4 540 <2 NM 220 NA NA <5 NA 220 41 <2 297 NA NA 20 Wetland pool - not discharging to French 03/10/2014 1270 4.13 NM NM NM NM 190 <10 <2 1900 <0.05 NM 280 <10 NM NA NA <0.4 2000 <2 NM 790 NA NA <5 NA 1100 170 <2 788 NA NA 39 discharge at pipe outfall to wetland be[ 03/10/2014 NM NM NM NM NM NM <50 <10 <2 920 <0.05 NM 19 <10 NM NA NA <0.4 510 <2 NM 780 NA NA <5 NA 300 150 <2 223 NA NA 15 Powell Creek 03/10/2014 78 9.75 NM NM 304 NM <50 <10 <2 <50 <0.05 NM 11 <10 NM NA NA <0.4 430 <2 NM 160 NA NA <5 NA 29 6.6 <2 51 NA NA <10 Unnamed tributary to Powell Creek 03/10/2014 204 1 8.92 NM NM 19.51 NM 710 <10 <2 130 1 2.1 NM 12 <10 NM NA NA <0.4 1800 <2 NM 600 NA NA <5 NA 130 60 <2 354 NA NA 24 unnamed tributary to Powell Creek. Flow 03/11/2014 104 11.32 NM NM 11.98 NM 2100 <10 <2 <50 <0.05 NM 16 <10 NM NA NA <0.4 2200 <2 NM 390 NA NA <5 NA 27 9.2 <2 60 NA NA <.10 Powell Creek., Spillway discharge Lake 1 03/11/2014 67 10.52 NM NM NM NM <50 <10 <2 <50 <0.05 NM 9.8 <10 NM NA NA <0.4 <50 <2 NM <10 NA NA <5 NA 30 5.8 <2 47 NA NA <10 Intermittent stream 03/11/2014 112 8.9 NM NM 2.87 NM 100 <10 <2 140 <0.05 NM 9.6 <10 NM NA NA <0.4 290 <2 NM 66 NA NA <5 NA 49 19 <2 78 NA NA <10 Stream at I-26 culvert. 1982 pond discha 03/11/2014 344 9.3 NM NM 42.8 NM <50 <10 <2 970 <0.05 NM 15 <10 NM NA NA <0.4 310 <2 NM 740 NA NA <5 NA 310 130 <2 226 NA NA 15 culvert carrying stream 03/11/2014 104 10.9 NM NM NM NM 120 <10 <2 86 <0.05 NM 14 <10 NM NA NA <0.4 420 <2 NM 48 NA NA <5 NA 84 11 <2 28 NA NA <10 Flowing stream. Outlet to FBR. 03/10/2014 703 NM NM NM 14.78 NM 130 <10 <2 1200 <0.05 NM 85 <10 NM NA NA <0.4 410 <2 NM 360 NA NA 5 NA 310 59 <2 279 NA NA 19 Stream sample, east side of gravel road. 03/10/2014 1807 NM NM NM 6.4 NM <50 <10 <2 3100 1 <0.05 NM Soo <10 NM NA NA 0.4 69 <2 NM 44 NA NA 9.8 NA 2000 240 <2 1390 NA NA 34 Stream before small beaver dam, selected 03/10/2014 906 NM NM NM NM NM <50 <10 <2 1500 0.79 NM 110 <10 NM NA NA <0.4 1600 <2 NM 7300 NA NA <5 NA 1700 340 <2 662 NA NA 34 Contributing stream, prior to confluence 03/10/2014 656 NM NM NM 11.67 NM <50 <10 <2 1300 <0.05 NM 73 <10 NM NA NA <0.4 4800 <2 NM 1800 NA NA <5 NA 420 170 <2 387 NA NA 25 Clear, no observed iron staining etc. 03/10/2014 107 NM NM NM 60 NM 90 <10 <2 74 <0.05 NM 14 <10 NM NA NA <0.4 360 <2 NM 45 NA NA <5 NA 1 94 11 <2 54 NA NA 10 Stream, appears to connect to 059 sample 03/10/2014 299 NM NM NM NM NM 81 <10 <2 340 <0.05 NM 16 <10 NM NA NA <0.4 650 <2 NM 310 NA NA <5 NA 140 110 <2 188 NA NA 16 Stream, clear with heavey Fe stained bed 03/10/2014 371 NM NM NM 67.3 NM <50 <10 <2 920 <0.05 NM 20 <10 NM NA NA <0.4 1400 <2 NM 1000 NA NA <5 NA 320 170 <2 244 NA NA 17 Pooled stream, with 2 forks south. Appea 03/10/2014 429 NM NM NM NM NM <50 <10 <2 960 <0.05 NM 30 <10 NM NA NA <0.4 540 <2 NM 1100 NA NA <5 NA 350 170 <2 296 NA NA 18 Stream, Fe bacteria on surface and orang 03/10/2014 490 NM NM NM NM NM 540 <10 <2 670 <0.05 NM 16 <10 NM NA NA <0.4 4500 <2 NM 6000 NA NA <5 NA 800 390 1 <2 550 NA NA 28 Surface water discharge after driveway c 03/10/2014 263 NM NM NM 0.27 NM 110 <10 <2 <50 <0.05 NM 42 <10 NM NA NA <0.4 180 <2 NM 12 NA NA <5 NA 73 14 <2 140 NA NA 49 Discharge from seeps at toe of dam 03/11/2014 69 9.71 NM NM 79.3 NM 100 <10 <2 <50 <0.05 NM 7.5 <10 NM NA NA <0.4 660 <2 NM 300 NA NA <5 NA 19 3.8 <2 20 NA NA 37 Unpermitted currently but referenced in 03/11/2014 1110 6.63 NM NM 24.47 NM <50 <10 <2 1500 1.9 NM 120 <10 NM NA NA <0.4 <50 <2 NM 8200 NA NA 5.7 NA 2200 310 <2 788 NA NA 28 Unpermitted currently but referenced in 03/11/2014 1076 6.74 NM NM 8.66 NM <50 <10 <2 1300 0.74 NM 120 <10 NM NA NA <0.4 <50 <2 NM 8000 NA NA <5 NA 1700 270 <2 748 NA NA 29 West pipe sample, left facing dam. CRP o 03/11/2014 351 7.33 NM NM 2 NM <50 <10 <2 780 <0.05 NM 13 <10 NM NA NA <0.4 <50 <2 NM 2200 NA NA <5 NA 370 130 <2 360 NA NA 18 Unpermitted outfall currently but refere 03/11/2014 301 1 6.7 NM NM 15 NM <50 <10 <2 850 <0.05 NM 16 <10 NM NA NA <0.4 <50 <2 NM 3600 NA NA <5 NA 330 120 <2 170 1 NA NA 15 Toe drain seepage from culvert at 1964 d 05/05/2014 NM NM NM NM NM NM <50 <10 <2 2100 <0.05 NM 610 <10 NM NA NA NA 120 <2 NM 11000 NA NA 8.1 NA 460 200 <2 NA NA NA 23 Flow in wetland at concrete pipe. Pipe m 03/10/2014 700 9.22 NM NM 6.37 NM <50 <10 <2 1500 <0.05 NM 76 <10 NM NA NA <0.4 590 <2 NM 650 NA NA <5 NA 570 200 <2 395 NA NA 30 Wetland discharging to adjacent wetland 03/10/2014 568 9.14 NM NM 1.12 NM 60 <10 <2 BID <0.05 NM 49 <10 NM NA NA <0.4 22000 <2 NM 6300 NA NA <5 NA 400 200 1 <2 296 NA NA 21 Pond, no discernable overland flow to FB 03/10/2014 188 NM NM NM NM NM 1100 <10 <2 160 <0.05 NM 24 <10 NM NA NA <0.4 970 <2 NM 200 NA NA <5 NA 27 30 <2 83 NA NAd1400 Ponded wetland, clear with no obvious Fe 03/10/2014 316 NM NM NM NM NM 73 <10 <2 350 <0.05 NM 15 <10 NM NA NA <0.4 1400 <2 NM 250 NA NA <5 NA 310 140 <2 198 NA NA Small stream flowing south from drained 03/10/2014 369 NM NM NM NM NM <50 <10 <2 900 <0.05 NM 21 <10 NM NA NA <0.4 1400 <2 NM 1000 NA NA <5 NA 330 170 <2 254 NA NA Permitted WW outfall- concrete 03/10/2014 815 9.88 NM NM 3890.27 NM 1100 <10 59 4300 0.89 NM 140 12 NM NA NA 0.6 220 <2 NM 240 NA NA 57 NA 640 230 <2 583 NA NA West end of culvert under I-26. Drains 1 03/10/2014 1089 NM NM NM 54.35 NM 100 <10 <2 1500 <0.05 NM 120 <10 NM NA NA <0.4 180 <2 NM 8200 NA NA <5 NA 2200 370 <2 782 NA NA Stilling pond. Receives SW, sluice water 03/11/2014 874 8.56 NM NM NM NM 1100 <10 56 4300 0.77 NM 130 10 NM NA NA 0.8 270 <2 NM 230 NA NA 53 NA 630 210 <2 600 NA NAPermitting outfall 005. Inside of buildi 03/11/2014 7831 10.31 NM NM 137.5 NM 91 20 P 50 58000 lOP NM 2700 <10 NM NA NA <0.4 <50 20 P NM 1200 NA NA 270 NA 2600 520 <2 5644 NA NAUnpermitted internal WW outfall. Common) 03/11/2014 498 8.19 NM NM NM NM 1700 <10 55 1700 0.56 NM 14 10 NM NA NA 0.7 530 <2 NM 76 NA NA 34 NA 480 170 <2 350 NA NA Prepared by: SRW Checked by: MMS Notes: 0 - Total metal concentration greater than the 15A NC 02B/EPA Criteria, 2015(NC), 2013(EPA) and/or maximum concentration from background data set ug/I = microgram per liter Spec Cord = Specific Conductance NTU = nephelometric turbidity unit Deg C = Degree Celsius mg/I = milligrams per liter Temp = Temperature S.U. = Standard Unit TOT = Total NE = Not established DO = Dissolved Oxygen umhos/cm = micro mhos per centimeter DIS = Dissolved CUP = Duplicate ORP = Oxidation Reduction Potential my = millivolts Eh = Redox Potential NM = Not measured NO = Not detected NA = Not applicable GPM = Gallons per minute MGD = Million gallons per day NA = Not Analyzed P:\Duke Energy Progress. 1026\102. Asheville Ash Basin GW Assessment Plan\16.Corrective Action Plan\Tables\Table 2-16 Exceedances in Surface Water and Seeps.xlsx Page 3 of 3 TABLE 2-17 SEDIMENT EXCEEDANCES ASHEVILLE STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC, ARDEN, NC Analytical Parameter Aluminum Antimony Arsenic Barium Cadmium Chromium Cobalt Copper Iron Manganese Mercury Nickel Selenium Zinc Reporting Units mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg EPA 114-Freshwater Sediment ESV 2015-09 25000 2 9.8 20 1 43.4 50 31.6 20000 460 0.18 22.7 11 121 Provisional Background Concentration 8290 ND ND 70.1 ND 37.8 10.1 17.5 1 23800 324 0.02 13.1 ND 69.6 Sample ID Sample Collection Date Analytical Results Background Analytical Results FB-01 06/02/2015 4660 <6.9 <6.9 41.4 <0.83 4.4 <6.9 3.8 6190 324 0.021 3 <6.9 27 SW-06 04/09/2015 2370 <6.7 <6.7 21.9 <0.81 6 <6.7 4.3 4690 86.2 0.0099 j 2.4 <6.7 25.2 SW-07 04/09/2015 5790 <7.2 <7.2 37.6 <0.86 22.6 7.4 13.8 23800 99.9 <0.011 6.5 <7.2 47.2 SW-07 DUP 04/09/2015 8290 <8.5 <8.5 70.1 <1 37.8 10.1 1 17.5 18300 141 <0.013 13.1 <8.5 69.6 Sample ID Sample Collection Date Analytical Results A-01 04/02/2015 10900 <22.8 <22.8 97.9 <2.7 12 <22.8 6.1 17900 238 0.16 6.4 <22.8 46.5 B-01 04/01/2015 6430 <4.5 <4.5 47.9 <0.54 11 9.7 7.9 13900 398 0.21 10 2.8 j 27.4 C-01 04/01/2015 17700 <23.9 108 152 1.8 j 16.5 31.7 28.6 77500 1060 0.041 22.1 32 113 C-02 04/06/2015 12800 12 463 2380 9.5 <19.9 455 149 16600 34600 0.0074 j 219 27.3 320 D-01 04/01/2015 12100 <4.2 2.8 j 56.2 <0.51 10.3 4.4 5.7 11100 225 0.015 6.6 2.2 j 30.5 E-01 04/01/2015 15000 <8.1 <8.1 100 <0.98 11.8 9.3 18.2 39400 831 0.031 7.9 5.4 j 70.8 F-01 04/01/2015 8710 <5.5 11.5 66.9 <0.66 12.3 12.5 10.5 36800 735 0.038 6.4 13 42.1 F-02 04/01/2015 5870 <7.2 <7.2 28.7 <0.87 5.5 <7.2 3.1 6590 55.5 0.0085 j 3.1 <7.2 16.7 K-01 04/06/2015 16200 <23.3 12.8 j 101 <2.8 34.1 19.5 j 22.2 24900 1070 0.043 12.8 19.2 j 68.8 M-01 04/06/2015 13400 <6.4 <6.4 80.7 <0.76 29.6 40.5 13.7 27800 1150 0.031 12.9 9.7 51.3 P-01 04/02/2015 31900 <22.3 <22.3 300 <2.7 44.5 58.1 39 62000 3320 0.082 22.6 <22.3 197 P-01 DUP 04/02/2015 9900 <7.5 <7.5 96 <0.9 20.6 16.5 11.8 21000 960 0.03 7.7 <7.5 61.2 SW-01 04/02/2015 11900 <9.9 <9.9 113 2.7 27.2 10.5 13 23400 375 0.033 9.6 <9.9 83.4 SW-04 04/02/2015 17600 <28.6 <28.6 204 <3.4 19.2 20.1 j 22.1 43800 345 0.32 10.8 28.7 93.9 SW-05 04/06/2015 8830 <7.1 29.8 177 <0.86 8.7 12.7 11.5 12600 325 0.059 12 <7.1 50.3 SW-05 DUP 04/06/2015 3960 <6.1 5 j 40.2 <0.74 2.3 <6.1 5.5 7200 174 <0.0095 2.1 <6.1 24 Prepared By: TDP Checked By: KDB Notes: Total metal concentration greater than USEPA Region 4 Ecological Risk Assessment Supplemental Guidance Interim Draft (EPA 2015). Table 2A Region 4 Sediment Screening values (Freshwater ESV). 0 - Total metal concentration less than Provisional background or ESV. mg/kg = milligrams per kilogram ND = Not detected DUP = Duplicate < = Concentration not detected at or above the reporting limit. j = indicates concentration reported below Practical Quantitation Limit (PQL), but above Method Detection Limit (MDL) and therefore concentration is estimated. P:\Duke Energy Progress.1026\102. Asheville Ash Basin GW Assessment Plan\16.Corrective Action Plan\Tables\Table 2-17 Exceedances in Sediment.xlsx Page 1 of 1 TABLE 3-1 LOCAL GROUNDWATER GRADIENTS AND FLOW VELOCITIES ASHEVILLE STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC, ARDEN, NC Ash Basin Groundwater Gradients Direction Data Points Gradient (ft per ft) Velocity (ft per yr) Saprolite SW CB-9SL to MW-9S 0.027 5.23 WSW MW-9S to MW-16A 0.110 1563.80 Deep SW MW-3D to MW-21D 0.058 3.06 W MW-13D to MW-15D 0.070 10.79 Bedrock SW CB-9BR to MW-12BR 0.024 41.53 SW MW-12BR to MW-9BR 0.002 0.61 WSW MW-9BR to MW-16BR 0.107 3266.01 SW MW-3BR to MW-22BR 0.045 370.21 Prepared by: TCP Checked by: HJF Note: Water level measurements used for these calculations were collected on June 29, 2015 P:\Duke Energy Progress.1026\102. Asheville Ash Basin GW Assessment Plan\16.Corrective Action Plan\Tables\Table 3-1 - Horizontal Groundwater Gradients.xlsx Page 1 of 1 TABLE 3-2 POTENTIAL VERTICAL GRADIENTS BETWEEN HYDROSTRATIGRAPHIC UNITS ASHEVILLE STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC, ARDEN, NC Well ID Hydraulic Gradient (ft per ft) Flow Direction MW-15D to MW-15BR 0.000 MW-16A to MW-16BR 0.007 Downward MW-18D to MW-18BR -0.148 Upward MW-22D to MW-22BR 0.262 Downward MW-05D to MW-05BR 0.039 Downward ABMW-07S to ABMW-07BR 0.931 Downward ABMW-05D to ABMW-05BR 0.099 Downward CB-01D to CB-01BR 0.005 Downward ABMW-04D to ABMW-04BR -0.021 Upward ABMW-02 to ABMW-02S -0.136 Upward MW-09D to MW-09BR 0.049 Downward MW-08S to MW-08BR 0.540 Downward CB-09SL to CB-09BR 0.779 Downward AMW-3A to AMW-3B 0.015 Downward CB-4 to CB-4B 0.277 Downward GW-01D to GW-01BR 0.070 Downward MW-01D to MW-01BR -0.233 Upward MW-03D to MW-03BR -0.078 Upward MW-06S to MW-06D 0.037 Downward MW-11 to MW-11D 0.029 Downward MW-12D to MW-12BR 0.251 Downward MW-13D to MW-13BR -0.018 Upward MW-23DU to MW-23DL -0.208 Upward MW-23DL to MW-23BR 1.503 Downward MW-24S to MW-24BR -0.092 Upward MW-15A to MW-15D -0.021 Upward CB-08 to CB-08BR 0.113 Downward CB-09 to CB-09SL -0.021 Upward MW-9S to MW-9D 0.008 Downward CB-07 to MW-18D -0.133 Upward GW-03 to MW-07BR 0.860 Downward ABMW-04 to ABMW-04D 0.015 Downward CB-06 to MW-19BR 1.127 Downward MW-06D to MW-06BR -0.112 Upward ABMW-07 to ABMW-07S 0.727 Downward ABMW-05S to ABMW-05D 0.116 Downward PZ-23 to MW-02BR 0.189 Downward GW-01 to GW-01D -0.014 Upward PZ-24 to MW-04D 0.094 Downward MW-10 to AMW-3A 0.000 PZ-17S to PZ-17D 0.710 Downward Prepare by: RKD Checked by: KDF Notes: ft= Feet Water level measurements used for these calculations were collected on June 29, 2015. P:\Duke Energy Progress. 1026\102. Asheville Ash Basin GW Assessment Plan\16.Corrective Action Plan\Tables\Table 3-2 Vertical Hydraulic Gradients.xlsx Page 1 of 1 TABLE 3-3 0.1 MICRON ANALYTICAL DATA SUMMARY ASHEVILLE STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC, ARDEN, NC Analytical Parameter PH Water Level Temp Spec Cond DO ORP Eh Turbidity Aluminum Aluminum Antimony Antimony Arsenic Arsenic Barium Barium Beryllium Beryllium Boron Boron Cadmium Cadmium Chromium Chromium Cobalt Cobalt DIS DIS (0.1u) DIS DIS (0.1u) DIS DIS (0.1u) DIS DIS (0.1u) DIS DIS (0.1u) DIS DIS (0.1u) DIS DIS (0.1u) DIS DIS (0.1u) DIS DIS (0.1u) Reporting Units S.U. ft Deg C umhms mg/I mV mV NTUs ug/I ug/I ug/I ug/l ug/I ug/I ug/l ug/I ug/I ug/I ug/l ug/I ug/I ug/l ug/I ug/I ug/I ug/I Sample ID Sample Collection Date Field Parameters Analytical Results ALLUVIAL CB-05 09/09/2015 6.0 5.79 19 1 303 1 0.69 1 -9 197 NM 1 92 1 89 1 1 1 1 1 <1 I <1 1 21 1 20 1 <1 I <1 278 288 <1 <1 <1 <1 <1 <1 CB-07 09/04/2015 5.6 9.22 20 1 412 1 1.1 1 235 440 1.42 1 8 1 8 1 <1 I <1 I <1 I <1 1 46 1 47 1 <1 I <1 296 300 <1 <1 <1 <1 <1 <1 MW-16A 09/08/2015 4.9 11.15 19 502 1 0.83 1 190 13951 6.93 1 365 1 348 1 <1 I <1 I <1 I <1 1 174 1 177 1 <1 I <1 580 591 <1 <1 <1 <1 2.27 2.29 SAPROLITE ABMW-07S 09/03/2015 6.3 28.71 19 420 0.8 122 327 4.1 14 9 <1 <1 <1 <1 45 43 <1 <1 812 811 <1 <1 <1 <1 3.44 3.32 CB-04 09/03/2015 5.1 21.51 17 335 4.2 191 396 123 56 26 <1 <1 <1 <1 53 51 <1 <1 636 640 <1 <1 <1 <1 2.37 2.27 CB-09 09/09/2015 5.0 37.50 16 37 1.97 223 428 7.51 22 19 <1 <1 <1 <1 24 23 <1 <1 <50 <50 <1 <1 <1 <1 <1 <1 CB-09SL 09/08/2015 5.8 36.51 16 59 2.61 165 370 3 26 9 <1 <1 <1 <1 35 36 <1 <1 <50 <50 <1 <1 <1 <1 <1 <1 GW-01 09/02/2015 4.6 20.64 18 130 1.1 225 430 1.1 121 124 <1 <1 <1 <1 49 51 <1 <1 <50 <50 <1 <1 <1 1 4.03 4.07 GW-03 09/03/2015 5.7 13.34 18 781 1.1 155 360 2.5 <5 <5 <1 <1 <1 <1 40 42 <1 <1 1660 1690 <1 <1 <1 <1 <1 <1 MW-08S 09/01/2015 6.2 7.34 25 1897 1.18 1 169 13741 1.02 1 <5 1 <5 1 <1 Ll I <1 I <1 I <1 217 215 <1 <1 4780 4910 <1 <1 <1 <1 6.07 6.01 MW-09S 09/02/2015 5.5 28.93 19 2036 1 3 1 179 13841 19.5 1 116 1 19 1 <1 I <1 I <1 I <1 1 158 1 165 1 <1 <1 5030 5250 <1 <1 <1 <1 4.12 4.21 TRANSITION ZONE CB-03R 09/09/2015 4.8 36.59 18 593 1.67 193 398 17.7 135 87 <1 <1 <1 <1 58 55 <1 <1 657 652 <1 <1 <1 <1 28.1 28.6 GW-01D 09/02/2015 5.2 20.67 21 56 0.89 283 488 3.92 41 27 <1 <1 <1 <1 35 35 <1 <1 <50 <50 <1 <1 <1 <1 2.47 2.49 MW-03D 09/09/2015 6.4 41.30 18 397 0.76 -10 195 20.7 38 31 <1 <1 <1 <1 25 24 <1 <1 592 597 <1 <1 <1 <1 <1 <1 MW-05D 09/02/2015 3.6 20.27 16 382 1.1 296 501 0.1 655 650 <1 <1 <1 <1 41 41 <1 <1 577 586 <1 <1 <1 <1 22.5 23.3 MW-09D 09/02/2015 5.6 29.54 20 2099 1.13 164 369 9.66 20 21 <1 <1 <1 <1 156 155 <1 <1 4930 5030 <1 <1 <1 <1 12 12.9 MW-12D 09/04/2015 5.2 36.18 19 75 3.31 213 418 2.29 50 49 <1 <1 <1 <1 51 51 <1 <1 <50 <50 <1 <1 <1 <1 1.37 1.49 MW-18D 09/04/2015 6.0 9.40 18 893 0.3 5 210 2.56 23 22 <1 <1 <1 <1 45 43 <1 <1 818 830 <1 <1 <1 <1 3.99 3.97 BEDROCK CB-04B 09/02/2015 7.0 25.23 17 236 2.1 55 260 4.4 <5 <5 <1 <1 <1 <1 20 21 <1 <1 <50 <50 <1 <1 <1 <1 <1 <1 CB-09BR 09/08/2015 6.3 49.19 17 105 0.84 133 338 9.89 <5 <5 <1 <1 <1 <1 18 18 <1 <1 <50 <50 <1 <1 <1 <1 <1 <1 GW-01BR 09/01/2015 9.0 22.61 19 186 0.6 -56 149 1.5 18 <5 <1 Ll <1 <1 <1 12 13 <1 <1 <50 <50 <1 <1 <1 <1 <1 <1 MW-05BR 09/02/2015 7.8 20.91 16 382 0.5 -69 136 10.3 28 38 <1 <1 <1 <1 15 17 <1 <1 395 391 <1 <1 <1 <1 <1 <1 MW-09BR 09/02/2015 7.2 32.00 22 1176 0.89 -49 156 15.4 6 6 <1 <1 <1 <1 105 107 <1 <1 660 672 <1 <1 <1 <1 <1 <1 MW-16BR 09/08/2015 6.1 11.34 18 509 0.46 -40 165 5.51 98 97 <1 <1 <1 <1 263 264 <1 I <1 148 145 <1 <1 <1 <1 <1 <1 MW-18BR 09/04/2015 5.9 9.52 18 859 0.44 1 67 12721 0.91 9 11 <1 <1 <1 <1 42 40 <1 I <1 876 882 <1 <1 <1 <1 1.12 <1 Prepared by: BER Checked by: TDP Notes: ORP = Oxidation Reduction Potential DIS = Dissolved TOT = Total Temp = Temperature DO = Dissolved Oxygen Deg C = Degree Celsius mg/I = milligram per liter my = millivolts NE = Not established NTU = nephelometric turbidity unit S.U. = Standard Unit ug/1 = microgram per liter umhos/cm = micro mhos per centimeter Spec Cond = Specific Conductance < = concentration not detected at or above the reporting limit. P:\Duke Energy Progress.1026\102. Asheville Ash Basin GW Assessment Plan\1 6. Corrective Action Plan\Tables\Table 3-3 0.1u Analytical Results.xlsx Page 1 of 2 TABLE 3-3 0.1 MICRON ANALYTICAL DATA SUMMARY ASHEVILLE STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC, ARDEN, NC Analytical Parameter Copper Copper Iron Iron Lead Lead Manganese Manganese Mercury Mercury Molybdenum Molybdenum Nickel Nickel Selenium Selenium Strontium Strontium Thallium Thallium Vanadium Vanadium Zinc Zinc DIS DIS (0.1u) DIS DIS (0.1u) DIS DIS (0.1u) DIS DIS (0.1u) DIS DIS (0.1u) DIS DIS (0.1u) DIS DIS (0.1u) DIS DIS (0.1u) DIS DIS (0.1u) DIS DIS (0.1u) DIS DIS (0.1u) DIS DIS (0.1u) Reporting Units ug/I ug/I ug/I ug/I ug/I ug/I ug/I ug/I ug/I ug/I ug/I ug/I ug/I ug/I ug/I ug/I ug/I ug/I ug/I ug/I ug/I ug/I ug/I ug/I Sample ID Sample Collection Date Analytical Results ALLUVIAL CB-05 09/09/2015 1.01 <1 27400 29100 <1 I <1 1 510 1 535 <0.05 <0.05 <1 <1 <1 <1 <1 <1 41 41 <0.2 <0.2 0.484 <0.3 7 5 CB-07 09/04/2015 7.58 <1 <10 10 <1 <1 72 75 <0.05 <0.05 <1 <1 <1 <1 1.09 <1 283 299 <0.2 <0.2 0.483 0.503 10 <5 MW-16A 09/08/2015 <1 <1 64 14 <1 <1 2310 2340 <0.05 <0.05 <1 <1 <1 <1 <1 <1 238 242 <0.2 <0.2 0.369 <0.3 <5 <5 SAPROLITE ABMW-07S 09/03/2015 1.07 <1 16 <10 <1 <1 596 607 <0.05 <0.05 135 135 <1 <1 1.65 1.77 416 416 0.469 0.32 0.638 0.61 <5 <5 CB-04 09/03/2015 10.2 <1 <10 <10 1.08 <1 979 984 <0.05 <0.05 <1 <1 1.46 1.13 6.47 6.7 220 221 <0.2 <0.2 0.384 0.383 SS 6 CB-09 09/09/2015 1.65 1.44 <10 <10 <1 <1 35 34 <0.05 <0.05 <1 <1 1.05 <1 <1 <1 7 7 <0.2 <0.2 <0.3 <0.3 17 17 CB-09SL 09/08/2015 <1 <1 <10 <10 <1 <1 22 26 <0.05 <0.05 <1 <1 <1 <1 <1 <1 27 27 <0.2 0.202 0.32 <0.3 14 18 GW-01 09/02/2015 7.36 <1 <10 <10 <1 <1 487 497 <0.05 <0.05 <1 <1 1.91 2.17 1.58 1.65 <5 <5 <0.2 <0.2 <0.3 <0.3 18 12 GW-03 09/03/2015 7.53 1 <1 <10 <10 1.02 <1 619 774 <0.05 1 <0.05 <1 <1 1.3 1.29 1.13 1.12 887 920 0.43 <0.2 <0.3 0.349 10 5 MW-08S 09/01/2015 10.7 2.19 <10 <10 <1 <1 2670 2720 <0.05 <0.05 2.75 2.64 2.38 2.41 1.22 1.15 3960 3960 <0.2 <0.2 0.643 0.558 115 102 MW-09S 09/02/2015 <1 <1 56 <10 <1 <1 3650 3840 <0.05 <0.05 <1 <1 2.89 3.16 36.7 38.3 2730 2850 <0.2 0.223 0.829 <0.3 12 13 TRANSITION ZONE CB-03R 09/09/2015 18 9.13 143 236 <1 <1 628 623 <0.05 <0.05 <1 <1 52 50.6 1.46 1.06 721 701 <0.2 <0.2 0.323 <0.3 104 103 GW-01D 09/02/2015 <1 <1 89 42 <1 <1 195 198 1 <0.05 <0.05 <1 <1 <1 <1 <1 <1 27 27 <0.2 <0.2 0.41 <0.3 5 <5 MW-03D 09/09/2015 1.94 <1 20300 20400 <1 <1 604 600 <0.05 <0.05 <1 <1 <1 <1 <1 <1 259 262 <0.2 <0.2 <0.3 <0.3 7 <5 MW-05D 09/02/2015 6.38 4.15 1120 1270 <1 <1 431 437 <0.05 <0.05 <1 <1 16.4 16.2 2.39 2 250 254 <0.2 <0.2 <0.3 <0.3 27 29 MW-09D 09/02/2015 5.62 <1 1710 1850 <1 <1 3810 3890 <0.05 <0.05 <1 <1 5.75 5.91 7.92 9.17 1720 1740 0.554 <0.2 0.315 <0.3 47 45 MW-12D 09/04/2015 <1 I <1 <10 <10 <1 <1 130 132 <0.05 <0.05 <1 <1 1.2 1.49 <1 <1 19 19 1 <0.2 <0.2 <0.3 0.301 34 38 MW-18D 09/04/2015 <1 <1 9970 10600 <1 <1 2250 2260 <0.05 <0.05 <1 <1 1.72 1.77 <1 <1 267 265 <0.2 <0.2 0.308 0.368 8 <5 BEDROCK CB-04B 09/02/2015 6.55 1.36 354 368 <1 <1 45 45 <0.05 <0.05 4.33 3.68 2.11 2.38 <1 <1 135 134 <0.2 <0.2 0.484 0.389 11 6 CB-09BR 09/08/2015 6.23 2.05 10 12 <1 <1 51 50 <0.05 <0.05 <1 <1 <1 <1 <1 <1 73 73 <0.2 <0.2 <0.3 <0.3 14 15 GW-01BR 09/01/2015 2.3 <1 142 40 <1 <1 29 30 <0.05 <0.05 7.58 7.47 <1 3.01 <1 <1 108 110 <0.2 <0.2 0.59 0.557 <5 <5 MW-05BR 09/02/2015 1.82 <1 19900 27200 <1 <1 195 238 <0.05 <0.05 2.97 1.32 <1 <1 <1 <1 267 278 <0.2 <0.2 0.304 <0.3 9 <5 MW-09BR 09/02/2015 2.31 <1 2600 2710 <1 <1 256 256 <0.05 <0.05 6.13 5.67 <1 <1 <1 <1 843 860 <0.2 <0.2 <0.3 <0.3 19 17 MW-16BR 09/08/2015 <1 <1 57400 53800 <1 <1 710 710 <0.05 <0.05 <1 <1 <1 <1 <1 <1 258 260 <0.2 <0.2 <0.3 <0.3 8 <5 MW-18BR 1 09/04/2015 <1 <1 1 125 1 51 <1 <1 599 445 <0.05 <0.05 <1 <1 5.16 5.58 <1 <1 412 406 <0.2 <0.2 0.362 0.422 11 9 Prepared by: BER Checked by: TDP Notes: ORP = Oxidation Reduction Potential DIS = Dissolved TOT = Total Temp = Temperature DO = Dissolved Oxygen Deg C = Degree Celsius mg/I = milligram per liter my = millivolts NE = Not established NTU = nephelometric turbidity unit S.U. = Standard Unit ug/I = microgram per liter umhos/cm = micro mhos per centimeter Spec Cond = Specific Conductance < = concentration not detected at or above the reporting limit. M1 - Matric spike recovery was high M4 - The spike recovery value was unusable since the analyte concentration in the sample was disproportionate to the spike level P:\Duke Energy Progress.1026\102. Asheville Ash Basin GW Assessment Plan\16.Corrective Action Plan\Tables\Table 3-3 0.1u Analytical Results.xlsx Page 2 of 2 TABLE 4-1 SUMMARY OF Kd VALUES FROM BATCH AND COLUMN STUDIES ASHEVILLE STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC, ARDEN, NC Sample Site Depth Batch Study and (feet) Trial Antimony Arsenic Boron Beryllium Cadmium Cobalt Chromium Nickel Selenium Thallium Vanadium Trial -1 41.6 2,062.4 NLI 3,551.1 972.7 197.9 79.9 507.7 308.7 118.1 1,277.3 ABMW - 07 SB (14 - 16) Trial-2 41.3 2,464.4 NLI 3,819.5 1,053.7 211.9 77.7 613.0 297.5 115.1 1,255.0 Trial -1 192.0 418.3 NS 1,983.2 382.0 103.2 1,055.7 169.6 110.8 78.2 1,456.9 ABMW - 05 SB (25 - 27) Trial-2 183.2 447.5 NS 2,172.8 421.2 108.0 983.1 179.2 94.6 80.7 1,512.6 Trial -1 28.2 1,600.0 NLI NS 2,568.9 594.1 256.5 741.4 196.5 141.3 956.5 AS - 09 SB (38 - 39) Trial -2 27.7 1,658.7 NLI NS 2,684.1 608.8 - 784.7 206.5 150.2 1,053.2 Trial -1 289.7 1,875.9 NLI 351.8 16.1 NLI 938.4 NS NS 76.8 6,148.2 MW - 03 SB (28 - 30) Trial -2 323.2 1,906.9 NLI 306.4 16.3 NLI 832.1 NS NS 73.4 6,134.4 Trial -1 578.8 4,127.4 NS 5,606.2 237.1 26.0 20 490.0 81.3 NS 86.4 15 587.0 MW - 05 SB (13 - 14) Trial -2 564.3 4,117.4 NS 5,489.5 236.3 27.7 19 099.0 80.9 NS 85.1 17 853.0 Trial -1 83.6 1,107.7 NLI 23 576.0 718.2 - NS 263.6 165.6 434.4 1,042.7 MW - 07 SB (16 - 17) Trial -2 85.9 1,153.0 NLI 25 234.0 755.8 108.8 NS 270.9 176.8 482.7 1,158.6 Trial -1 52.1 1,536.2 ILB 1,548.2 98.5 19.5 202.1 57.8 318.1 165.2 1,518.0 MW - 08 SB (36 - 37) Trial-2 59.0 1,859.3 ILB 2,016.7 102.7 21.0 279.8 58.8 437.0 170.0 1,700.5 Trial -1 129.0 3,757.0 2.8 2,958.3 608.5 115.6 452.9 291.3 1,329.1 111.0 2,306.9 MW - 09 SB (12 - 17) Trial-2 135.5 3,817.1 2.6 2,779.0 585.6 112.4 458.6 282.6 1,633.2 110.0 2,126.2 Trial-1 74.7 552.1 NLI 1,100.2 44.0 NLI 225.7 18.5 414.1 28.5 918.2 MW - 16 SB (7 - 9) Trial-2 74.4 519.9 NLI 1,108.2 46.5 NLI 217.0 18.5 386.0 29.4 801.6 Trial-1 69.7 530.4 ILB 1,892.5 66.8 2.5 244.5 25.7 448.0 50.5 833.5 MW - 18 SB (6 - 7) Trial-2 73.2 535.0 ILB 1,824.2 68.1 2.4 249.9 26.2 382.0 58.8 835.8 Trial -1 21.7 378.1 NS 4,058.3 1,799.8 484.9 4,307.9 1,113.3 33.2 941.5 168.3 MW - 18 SB (20 - 22) Trial -2 22.4 367.8 NS 5 380.8 1,403.7 1 363.7 3, 241.7 967.7 35.2 902.0 160.9 Trial -1 21.2 268.3 NS 2,927.4 50.6 13.1 733.0 32.3 38.1 231.8 154.3 CB - 08 SB (7 - 9) Trial -2 21.1 272.0 NS 3,051.3 52.6 14.4 761.9 33.5 39.5 242.0 159.4 Geometric Mean 78.9 1082.1 2.7 2670.7 244.3 62.7 655.0 141.1 204.6 130.9 1245.7 Median 73.8 1344.6 2.7 2853.2 309.6 108.0 458.6 174.4 252.0 113.1 1206.8 Lower Quartile (exclusive) 31.5 465.6 - 1755.2 56.2 19.5 235.1 33.2 98.7 77.2 834.1 Column Study ABMW - 07 SB 14 - 16 1 Trial Only 800.0 2200.0 65.0 2300.0 1150.0 775.0 2150.0 750.0 1650.0 2300.0 2350.0 ABMW - 05 SB 25 - 27 1 Trial Only 1300.0 975.0 75.0 2300.0 2200.0 1300.0 1700.0 1750.0 1550.0 2250.0 2350.0 AS - 09 SB 38 - 39 Trial A 1250.0 2000.0 40.0 2200.0 2000.0 1300.0 2200.0 1150.0 2000.0 2000.0 2000.0 AS - 09 SB 38 - 39 Trial B 1900.0 2100.0 60.0 2200.0 2200.0 1550.0 2200.0 1250.0 2200.0 2200.0 2200.0 AS - 09 SB 38 - 39 Trial C 1750.0 2500.0 < 10 2500.0 2500.0 2100.0 2500.0 1700.0 2500.0 2500.0 2500.0 MW - 03 SB 28 - 30 1 Trial Only 850.0 2100.0 50.0 2100.0 2100.0 600.0 2100.0 550.0 2100.0 2100.0 2100.0 MW - 05 SB 13 - 14 1 Trial Only 2300.0 2300.0 60.0 2400.0 250.0 90.0 2300.0 125.0 2000.0 2100.0 2300.0 MW - 07 SB 16 - 17 1 Trial Only 1100.0 2000.0 30.0 2000.0 2000.0 750.0 2000.0 625.0 1800.0 2000.0 2000.0 MW - 08 SB 36 - 37 1 Trial Only 1350.0 2200.0 35.0 2300.0 1700.0 1100.0 2400.0 825.0 2000.0 2400.0 2400.0 MW - 09 SB 12 - 17 1 Trial Only 1400.0 2000.0 50.0 2000.0 2000.0 2000.0 1900.0 1900.0 1900.0 2000.0 2000.0 MW - 16 SB 7 - 9 1 Trial Only 525.0 450.0 40.0 1550.0 650.0 425.0 525.0 350.0 675.0 825.0 1050.0 MW - 18 SB 6 - 7 1 Trial Only 650.0 700.0 75.0 1900.0 1450.0 175.0 300.0 250.0 1500.0 2000.0 1600.0 MW - 18 SB 20 - 22 1 Trial Only 125.0 300.0 40.0 1700.0 1200.0 850.0 600.0 850.0 500.0 1550.0 700.0 CB - 08 SB 7 - 9 1 Trial Only 625.0 400.0 30.0 4000.0 80.0 75.0 3200.0 50.0 650.0 4000.0 1000.0 Geometric Mean 947.3 1292.2 47.7 2192.8 1169.8 636.7 1577.1 601.1 1490.0 2059.2 1784.2 Median 1175.0 2000.0 50.0 2200.0 1850.0 812.5 2125.0 1 787.5 1850.0 2100.0 2050.0 20th Percentilel 640.0 600.0 37.0 1960.0 950.0 325.0 1260.0 1 310.0 1 1170.0 1 2000.0 1380.0 Notes: - = No Data NLI = Non -Linear Isotherm NS = Negligable Sorption ILB = Indicated Leaching Behavior Units reported in mililiters per gram (mL/g) K, values presented were taken from the Langley et al. (2015) sorption report. Only K, values for constituents present in the test solution are presented in the table above. Prepared by: DGN Checked by: TDP KDB P:\Duke Energy Progress. 1026\102. Asheville Ash Basin GW Assessment Plan\16.Corrective Action Plan\Tables\Table 4-1 Summary of UNCC Kd Data.xlsx Page 1 of 1