Loading...
HomeMy WebLinkAboutNC0038377_Table 10-1 Groundwater Analytical Results_20150902TABLE 10-1 GROUNDWATER ANALYTICAL RESULTS MAYO STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC, ROXBORO, NC Analytical Parameter Redox Assign Assignment PH Water Level Temp Spec Cond DO ORP Eh Turbidity Ferrous Iron Alkalinity Aluminum Aluminum Antimony Antimony Arsenic Arsenic Barium Barium Beryllium Beryllium Bi-carbonate Alkalinity Boron Boron Cadmium Cadmium Calcium Carbonate Alkalinity Chloride Chromium Chromium Cobalt Cobalt Copper Copper DIS TOT DIS TOT DIS TOT DIS TOT DIS TOT DIS TOT DIS TOT TOT DIS TOT DIS TOT DIS TOT Reporting Units None S.U. ft Deg C u/gyms mg/I mV mV NTU mg/I mg/I ug/I ug/I ug/I ug/I ug/I ug/l ug/I ug/I ug/I ug/I mg/I ug/I ug/I ug/I ug/I mg/I mg/I mg/I ug/I ug/I ug/I ug/I mg/I mg/I 15A NCAC 02L Standard NE 6.5-8.5 NE NE NE NE NE NE NE NE NE NE NE NE 1* NE 10 NE 700 NE 4* NE NE 700 NE 2 NE NE 250 NE 10 NE 1* NE 1 Sample ID Sample Collection Date Field Parameters Analytical Results ABMW-02BR 06/17/2015 Mixed (oxic-anoxic) 7.2 11.32 31 631 0.7 -57 148 3.28 0 260 <5 64 <1 <1 <1 <1 154 159 <1 <1 260 <50 <50 <1 <1 81.5 <10 27 <1 <1 <1 <1 <0.001 <0.001 ABMW-03S 06/17/2015 Anoxic 5.2 17.26 23 137 0.2 8 213 4.96 2.5 51 9 30 <1 <1 1.17 1.04 23 25 <1 <1 51 1070 1100 <1 <1 4.78 <10 6.9 <1 <1 3.96 3.98 <0.001 <0.001 ABMW-04BR 06/23/2015 Mixed (oxic-anoxic) 7.4 5.95 26 556 0.5 -244 -39 5.03 0.5 190 11 20 <1 <1 <1 1.08 113 115 <1 <1 190 <50 <50 <1 <1 85.3 <10 4.8 <1 <1 <1 <1 <0.001 <0.001 ABMW-04D 06/22/2015 Mixed (oxic-anoxic) 6.6 6.04 24 1174 0.7 231 436 2.03 4.5 530 84 199 3.45 3.68 140 140 774 755 <1 <1 530 5130 5090 <1 <1 143 <10 11 <1 <1 6.41 6.71 <0.001 <0.001 BG-01 04/13/2015 NC 5.5 30.16 17 154 1.2 296 501 8.9 NM 49.8 NA 392 NA <1 NA <1 NA 90 NA <1 49.8 NA <50 NA <1 12.5 <5 11 NA <5 NA <1 NA <0.005 BG-01 07/07/2015 NC 5.6 29.86 18 151 1.6 113 318 10 NM 48.3 NA 418 NA <1 NA <1 NA 97 NA <1 48.3 NA <50 NA <1 13.1 <5 11 NA <5 NA <1 NA <0.005 BG-02 04/13/2015 NC 6.3 31.93 18 652 0.2 1 -11 1 194 7.09 NM 259 NA 136 NA <1 NA <1 NA 54 NA <1 259 NA <50 NA <1 57 <5 28 NA <5 NA <1 NA <0.005 BG-02 DUP 04/13/2015 NC 6.3 31.93 18 652 0.2 -11 194 7.09 NM 254 NA 215 NA <1 NA <1 NA 55 NA <1 254 NA <50 NA <1 58.1 <5 28 NA <5 NA <1 NA <0.005 BG-02 07/07/2015 NC 6.5 31.53 19 623 0.3 -129 76 8.51 NM 225 NA 193 NA <1 NA <1 NA 54 NA <1 225 NA <50 NA <1 56.1 <5 30 NA <5 NA <1 NA <0.005 CW-01 04/13/2015 NC 5.7 16.99 19 178 3.8 310 515 2.63 NM 37.6 NA 791 NA <1 NA <1 NA 6 NA <1 37.6 NA <50 NA 1.23 10.6 <5 19 NA <5 NA <1 NA <0.005 CW-01 07/08/2015 NC 5.5 17.65 20 182 3.3 187 392 3 NM 33.1 NA 35 NA <1 NA <1 NA <5 NA <1 33.1 NA <50 NA <1 10.9 <5 23 NA <5 NA <1 NA <0.005 CW-01D 04/13/2015 NC 6.9 18.43 20 355 1.2 298 503 2.06 NM 143 NA 14 NA <1 NA <1 NA <5 NA <1 143 NA <50 NA <1 46.8 <5 10 NA <5 NA <1 NA <0.005 CW-01D 07/08/2015 NC 6.8 19.01 21 348 0.6 132 337 4.2 NM 140 NA 11 NA <1 NA <1 NA <5 NA <1 140 NA <50 NA <1 45.3 <5 10 NA <5 NA <1 NA <0.005 CW-02 04/14/2015 NC 5.0 1 12.36 13 1 215 1 1.9 323 528 1.09 NM <5 NA 34 NA <1 NA <1 NA 97 NA <1 <5 NA 524 NA <1 12 <5 33 NA <5 NA <1 NA <0.005 CW-02 07/07/2015 NC 5.1 13.33 16 286 0.8 214 419 0.96 NM <5 NA 16 NA <1 NA <1 NA 129 NA <1 <5 NA 004 NA <1 17.6 <5 54 NA <5 NA <1 NA <0.005 CW-02D 04/14/2015 NC 6.2 12.71 16 360 3.8 342 547 4.98 NM 41.1 NA 206 NA <1 NA <1 NA 42 NA <1 41.1 NA 325 NA <1 32.7 <5 44 NA <5 NA <1 NA <0.005 CW-02D 07/07/2015 NC 6.1 13.76 18 359 2.9 162 367 9.8 NM 42 NA 472 NA <1 NA <1 NA 38 NA <1 42 NA 363 NA <1 36.6 <5 42 NA <5 NA <1 NA <0.005 CW-03 04/14/2015 NC 6.4 15.60 16 654 2.5 352 557 2.31 NM 129 NA 63 NA <1 NA <1 NA 19 NA <1 129 NA <50 NA <1 64.2 <5 100 NA <5 NA <1 NA <0.005 CW-03 07/06/2015 NC 6.5 15.93 21 645 1 46 251 2.78 NM 136 NA 89 NA <1 NA <1 NA 19 NA <1 136 NA <50 NA <1 66.6 <5 100 NA <5 NA <1 NA <0.005 CW-04 04/14/2015 NC 5.9 21.38 16 164 2.7 314 519 1.85 NM 41 NA 76 NA <1 NA <1 NA 22 NA <1 41 NA <50 NA <1 10.9 <5 5.8 NA <5 NA <1 NA <0.005 CW-04 07/06/2015 NC 5.9 21.64 18 162 3 1 105 310 2.76 NM 44.1 NA 200 NA <1 NA <1 NA 25 NA <1 44.1 NA <50 NA <1 11.6 <5 6.4 NA <5 NA <1 NA <0.005 CW-05 04/14/2015 NC 6.6 3.95 15 415 0.8 61 266 7.62 NM 138 NA 163 NA <1 NA <1 NA 54 NA <1 138 NA <50 NA <1 1 46.1 <5 32 NA <5 NA 1 NA <0.005 CW-05 07/06/2015 NC 6.7 6.38 22 434 0.3 -110 96 8.68 NM 148 NA 272 NA <1 NA <1 NA 57 NA <1 148 NA <50 NA <1 51.2 <5 35 NA <5 NA <1 NA <0.005 CW-06 04/14/2015 NC 6.6 10.54 15 812 0.2 -127 78 6.33 NM 228 NA 55 NA <1 NA <1 NA 42 NA <1 228 NA <50 NA <1 93.8 <5 81 NA <5 NA <1 NA <0.005 CW-06 07/06/2015 NC 6.7 12.12 17 890 0.4 -188 17 1.72 NM 270 NA 57 NA <1 NA <1 NA 48 NA <1 270 NA <50 NA <1 108 <5 89 NA <5 NA <1 NA <0.005 CW-06 DUP 07/06/2015 NC 6.7 12.12 17 890 0.4 -188 17 1.72 NM 268 NA 59 NA <1 NA <1 NA 49 NA <1 268 NA <50 NA <1 108 <5 89 NA <5 NA <1 NA <0.005 MW-02 03/19/2015 Mixed (anoxic) 5.8 26.11 11 339 0.32 183 388 33.9 0.5 89 74 834 <1 <1 <1 <1 53 55 <1 <1 89 <50 <50 <1 <1 18.6 <10 15 <1 <1 2.64 2.78 <0.001 <0.001 MW-03 03/19/2015 Mixed (oxic-anoxic) 5.7 6.51 11 343 1.65 304 509 3.35 NM 61 <5 34 <1 <1 <1 <1 54 56 <1 <1 61 815 847 <1 <1 27.9 <10 47 <1 <1 <1 <1 <0.001 <0.001 MW-03BR 03/14/2015 NM NM NM NM NM NM NM NM NM NM 200 NA 118 NA <1 NA <1 NA 46 NA <1 190 NA <50 NA <1 145 <10 160 NA <1 NA <1 NA <0.001 MW-03BR 03/19/2015 Mixed (anoxic) 6.9 16.41 11 847 0.46 -19 186 5.84 NM NA <5 NA <1 NA <1 NA 45 NA <1 NA NA <50 NA <1 NA NA NA NA <1 NA <1 NA <0.001 NA MW-04 03/20/2015 Oxic 6.3 25.98 9 291 5.42 242 447 10.3 0 88 33 118 <1 <1 <1 <1 5 6 <1 <1 88 <50 <50 <1 <1 28.4 <10 6.6 <1 <1 <1 <1 <0.001 0.00101 MW-0SBR 03/11/2015 Anoxic 7.1 6.30 14 491 0.29 55 214 4.95 2.5 180 10 57 <1 <1 <1 I <1 33 1 31 <1 <1 180 <50 <50 <1 <1 95.9 <10 62 <1 <1 <1 <1 <0.001 <0.001 MW-07BR 06/19/2015 Mixed (anoxic) 7.4 7.42 25 470 0.34 -200 5 4.09 <0.5 210 7 15 <1 <1 <1 <1 138 140 <1 <1 200 <50 <50 <1 <1 57.3 <10 15 <1 <1 <1 <1 <0.001 <0.001 MW-07D 06/19/2015 Mixed (oxic-anoxic) 6.4 9.30 24 668 2.37 -8 197 12.1 0 180 <5 147 <1 <S <1 <S 23 24 <1 <1 180 <50 <50 <1 <1 59.5 <10 78 <1 <1 <1 <1 <0.001 <0.001 MW-08BR' 03/12/2015 Mixed (anoxic) 6.6 35.26 15 777 0.2 -73 132 97.8 2 170 <5 5310 <1 <1 <1 2.52 88 234 <1 <1 170 <50 <50 <1 <1 1 99.1 <10 120 <1 87.5 1.82 6.19 <0.001 0.0246 MW-08BR 06/18/2015 Anoxic 6.6 34.38 18 858 0.3 -149 56 4.33 2.5 200 7 110 <1 <1 <1 <1 65 66 <1 <1 200 <50 <50 <1 <1 91.5 <10 120 <1 <1 <1 <1 <0.001 <0.001 MW-09BR 06/18/2015 Mixed (oxic-anoxic) 6.3 24.89 24 226 0.7 2 207 45.6 NM 72 11 3720 <1 <1 <1 <1 25 30 <1 <1 72 <50 <50 <1 <1 22.6 <10 16 <1 3.4 <1 <1 0.00229 0.00591 MW-10BR 03/17/2015 Anoxic 7.9 13.19 22 461 0.55 -99 106 35.5 0.5 110 13 641 <1 <1 <1 <1 25 27 <1 <1 110 <50 <50 <1 <1 36.8 <10 23 <1 1.3 <1 <1 <0.001 <0.001 MW-11BR 06/25/2015 Mixed (oxic-anoxic) 8.1 40.25 19 382 2.79 28 233 3.91 0 160 16 80 1.61 1.32 <1 <1 46 44 <1 <1 160 <50 <50 <1 <1 49.6 <10 16 1.59 1.73 <1 <1 0.00772 <0.001 MW-12D 06/24/2015 Mixed (oxic-anoxic) 6.2 31.15 17 136 2.42 -1 204 4.02 0 53 <5 184 1.66 1.63 <1 <1 23 26 <1 <1 53 <50 <50 <1 <1 12.6 <10 4 <1 <1 1.28 1.37 <0.001 <0.001 MW-12S 06/18/2015 Mixed (oxic-anoxic) 5.7 30.61 21 55 3.66 127 332 10.6 <0.5 14 <5 292 <1 <1 <1 <1 23 24 <1 <1 14 <50 <50 <1 <1 2.36 <10 3.1 <1 1.61 1.02 1.09 <0.001 <0.001 MW-13BR 06/23/2015 Anoxic 7.2 31.28 21 580 0.4 -228 -23 2.22 1 210 27 37 <1 <1 <1 <1 41 40 <1 <1 210 <50 <50 <1 <1 75.2 <10 46 <1 <1 <1 1.19 <0.001 <0.001 MW-14BR 03/12/2015 Mixed (anoxic) 6.7 16.20 14 278 0.47 41 224 35 0.5 96 9 589 <1 <1 <1 <1 28 30 <1 <1 96 <50 <50 <1 <1 19.5 <10 9.3 <1 <1 1.41 1.41 <0.001 0.0045 MW-16BR 06/23/2015 Oxic 8.7 3.75 25 239 0.89 -191 14 4.66 NM 97 22 88 <1 <1 2.07 2.05 9 11 <1 <1 96 <50 <50 <1 <1 22.5 <10 7 <1 <1 <1 <1 <0.001 <0.001 MW-16D 06/23/2015 Mixed (oxic-anoxic) 7.1 3.51 19 221 2.49 55 260 9.38 0 76 <5 102 <1 <1 <1 <1 12 13 <1 <1 75 <50 <50 <1 <1 25.6 <10 8.8 <1 <1 <1 <1 <0.001 <0.001 MW-16D DUP 06/23/2015 Mixed (oxic-anoxic) 7.1 3.51 19 221 2.49 55 260 9.38 0 76 <S 86 <1 <S <1 <S 13 13 <1 <1 76 <50 <50 <1 <1 25.4 <10 8.9 <1 <1 <1 <1 <0.001 <0.001 MW-16S 06/23/2015 Mixed (oxic-anoxic) 6.0 3.88 20 1. 29.6 96 301 3.44 NM 43 <5 17 <1 <1 <1 <1 46 46 <1 <1 43 <50 <50 <1 <1 9.57 <10 13 <1 <1 4.35 1 4.32 1 0.00418 0.00102 Notes: = - Bold highlighted concentration indicates exceedance of the 15A NCAC 02L Standard, Appendix 2, April 1, 2013. Spec Cond = Specific Conductance Deg C = Degrees Celsius NTU = Nephelometric turbidity unit DUP = Duplicate umhos/cm = Micro mhos per centimeter NE = Not established S.U. = Standard Unit mg/I = Milligram per liter DIS = Dissolved ft = Feet my = Millivolts TOT= Total NA = Not analyzed ug/I = Microgram per liter NC = Not calculated mg - N/L = Milligram nitrogen per liter < = Concentration not detected at or above the reporting limit * = Interim Maximum Allowable Concentrations (IMACs) of the 15A NCAC 02L Standard, Appendix 1, April 1, 2013. t Data invalid. Sample inadvertently collected before well development. DO = Dissolved oxygen ORP = Oxidation -Reduction Potential Eh = Oxidation Potential NM = Not measured Perpared by: BE LAM Checked by: KLS Revised by: EMBtecked by: _BDW_ P:\Duke Energy Progress. 1026\105. Mayo Ash Basin GW Assessment Plan\l.11 CSA Reporting\FINAL\TABLES\Table 10-1 Groundwater Analytical Results TABLE 10-1 GROUNDWATER ANALYTICAL RESULTS MAYO STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC, ROXBORO, NC Analytical Parameter Iron Iron Lead Lead Magnesium Manganese Manganese Mercury Mercury Methane Molybdenum Molybdenum Nickel Nickel Nitrate it N) Potassium Selenium Selenium Sodium Strontium Strontium Sulfate Sulfide Thallium Thallium Total Dissolved Solids Total Organic Carbon Total Suspended Solids Vanadium Vanadium Zinc Zinc DIS TOT DIS TOT TOT DIS TOT DIS TOT DIS TOT DIS TOT TOT DIS TOT TOT DIS TOT DIS TOT DIS TOT DIS TOT Reporting Units ug/I ug/1 ug/1 ug/1 mg/I ug/I ug/I ug/I ug/I ug/I ug/I ug/I ug/I ug/I mg-N/L mg/I ug/I ug/I mg/I mg/I mg/I mg/I mg/I ug/I ug/I mg/I mg/I mg/I ug/I ug/I mg/I mg/I 15A NCAC 02L Standard NE 300 NE 15 NE NE s0 NE 1 NE NE NE NE 100 10 NE NE 20 NE NE NE 250 NE NE 0.2* 500 NE NE NE 0.3* NE 1 Sample ID Sample Collection Date Analytical Results ABMW-02BR 06/17/2015 24 107 <1 <1 13.2 146 149 <0.05 <0.05 <10 5.76 5.67 <1 <1 0.223 4.38 <1 <1 26 1.24 1.27 12 <0.1 <0.2 <0.2 370 0.949 <5 0.658 0.87 <0.005 <0.005 ABMW-03S 06/17/2015 2490 2630 <1 <1 0.695 463 478 <0.05 <0.05 38 <1 <1 1.05 <1 <0.01 0.605 <1 <1 19.4 0.058 0.059 <0.1 <0.1 <0.2 <0.2 110 1 <5 <0.3 <0.3 0.008 0.007 ABMW-04BR 06/23/2015 1420 1590 <1 <1 5.97 410 407 <0.05 <0.05 <10 6.1 6.12 <1 <1 <0.01 6.23 <1 <1 21.2 2.02 2.02 BO <0.1 <0.2 <0.2 370 1.8 <5 <0.3 0.38 <0.005 <0.005 ABMW-04D 06/22/2015 30400 28300 <1 <1 45.1 4120 3640 <0.05 <0.05 21000 212 269 1.68 1.63 <0.01 34.9 <1 <1 22.9 2.99 3.07 19 <0.5 <0.2 <0.2 680 5.5 63 11.9 23.3 0.014 0.007 BG-01 04/13/2015 NA 409 NA <1 3.35 NA 35 NA <0.05 NA NA <1 NA <5 NA 1.4 NA <1 12.4 NA NA 0.32 NA NA <0.2 130 NA 5 NA NA NA 0.029 BG-01 07/07/2015 NA 557 NA <1 3.63 NA 23 NA <0.05 NA NA <1 NA <5 0.64 1.5 NA <1 11.8 NA NA 0.32 NA NA <0.2 130 NA 5 NA 4.94 NA 0.05 BG-02 04/13/2015 NA 435 NA <1 11.8 NA 150 NA 0.06 NA NA <1 NA <5 NA 3.27 NA <1 49.7 NA NA 4.8 NA NA <0.2 380 NA 8 NA NA NA 0.011 BG-02 DUP 04/13/2015 NA 546 NA <1 12.1 NA 155 NA 0.05 NA NA <1 NA <5 NA 3.3 NA <1 50.3 NA NA 4.7 NA NA <0.2 360 NA 7 NA NA NA 0.01 BG-02 07/07/2015 NA 467 NA <1 12 NA 135 NA <0.05 NA NA <1 NA <5 <0.023 3.61 NA <1 48.2 NA NA 5.1 NA NA <0.2 370 NA 8 NA 5.88 NA 0.015 CW-01 04/13/2015 NA 608 NA <1 5.03 NA 27 NA <0.05 NA NA <1 NA <5 NA 1.13 NA <1 17.3 NA NA 10 NA NA <0.2 160 NA it NA NA NA 0.013 CW-Ol 07/08/2015 NA 31 NA <1 4.97 NA 6 NA <0.05 NA NA <1 NA <5 1.4 1.05 NA <1 17 NA NA 9.5 NA NA <0.2 150 NA <5 NA 0.54 NA 0.01 CW-01D 04/13/2015 NA 11 NA <1 9.35 NA 6 NA <0.05 NA NA 21.7 NA <5 NA 1.99 NA <1 13.3 NA NA 5 NA NA <0.2 210 NA <5 NA NA NA <0.005 CW-01D 5 NA <10 NA <1 9.67 NA <5 NA <0.05 NA NA 20.8 NA <5 0.45 2.14 NA <1 12.8 NA NA 4.1 NA NA <0.2 200 NA <5 NA 1.09 NA <0.005 CW-02 NA 17 NA <1 6.58 NA 170 NA <0.05 NA NA <1 NA <5 NA 1.61 NA <1 12.9 NA NA 39 NA NA <0.2 140 NA <5 NA NA NA <0.005 CW-02 5 NA <10 NA <1 8.68 NA 393 NA <0.05 NA NA <1 NA <5 <0.023 1.97 NA <1 17.3 NA NA 49 NA NA <0.2 210 NA <5 NA <0.3 NA 0.008 CW-02D R04/14/2015 5 NA 149 NA <1 8.14 NA 123 NA <0.05 NA NA <1 NA <5 NA 2.82 NA <1 17.4 NA NA 50 NA NA <0.2 240 NA 14 NA NA NA 0.02 CW-02D 5 NA 278 NA <1 8.39 NA 81 NA <0.05 NA NA <1 NA <5 <0.023 2.81 NA <1 17.6 NA NA 49 NA NA <0.2 250 NA 21 NA 0.59 NA 0.016 CW-03 S NA 53 NA <1 8.28 NA 9 NA <0.05 NA NA <1 NA <5 NA 4.68 NA <1 46.1 NA NA 15 NA NA <0.2 440 NA <5 NA NA NA <0.005 CW-03 5 NA 71 NA <1 8.35 NA <5 NA <0.05 NA NA <1 NA <5 0.32 4.76 NA <1 44.5 NA NA 15 NA NA <0.2 440 NA <5 NA 1.41 NA 0.11 CW-04 04/14/201S NA 37 NA <1 3.05 NA <5 NA <0.05 NA NA <1 NA <5 NA 1.26 NA <1 15 NA NA 18 NA NA <0.2 150 NA <5 NA NA NA <0.005 CW-04 07/06/201S NA 87 NA <1 3.21 NA <5 NA <0.05 NA NA <1 NA <5 0.14 1.25 NA <1 15.5 NA NA 19 NA NA <0.2 160 NA <5 NA 1.02 NA <0.00s CW-05 04/14/201S NA 731 NA <1 7.33 NA 696 NA <0.05 NA NA 1.08 NA <5 NA 5.78 NA <1 18.2 NA NA 8.7 NA NA <0.2 270 NA <5 NA NA NA <0.005 CW-05 07/06/201S NA 1060 NA <1 7.6 NA 785 NA <0.05 NA NA <1 NA <5 <0.023 5.88 NA <1 18 NA NA 7.5 NA NA <0.2 290 NA 6 NA <0.3 NA <0.005 CW-06 04/14/201S NA 1370 NA <1 19.1 NA 1300 NA <0.05 NA NA 8.17 NA <5 NA 10.2 NA 1.48 37.6 NA NA 41 NA NA <0.2 540 NA <5 NA NA NA <0.005 CW-06 07/06/201S NA 2040 NA <1 19.8 NA 1450 NA <0.05 NA NA 6.86 NA <5 <0.023 13.2 NA <1 38.9 NA NA 47 NA NA <0.2 560 NA 5 NA <0.3 NA <0.00s CW-06 DUP 07/06/201S NA 2060 NA <1 20.4 NA 1470 NA <0.05 NA NA 7.2 NA <5 <0.023 13.4 NA <1 39.7 NA NA 47 NA NA <0.2 570 NA <5 NA <0.3 NA <0.005 MW-02 03/19/201S 389 756 <1 <1 7.31 836 833 <0.05 <0.05 780 <1 <1 1.94 1 2.31 0.19 4.44 <1 <1 27.7 0.186 0.184 18 <1 I <0.2 <0.2 1 200 1.5 7 0.973 1.68 <0.005 <0.005 MW-03 03/19/201S <10 34 <1 <1 8.83 827 880 <0.05 <0.05 <10 <1 <1 2.06 2.22 0.07 1.84 <1 <1 22 0.331 0.336 21 <2 <0.2 <0.2 190 0.875 <5 <0.3 <0.3 <0.005 1 <0.005 MW-03BR 03/14/201S NA 648 NA <1 11.5 NA 731 NA <0.05 <10 NA 1.39 NA <1 <0.01 7.76 NA <1 20.4 NA 0.417 1 9.4 <0.5 NA <0.2 660 1.8 <5 NA 0.78 NA <0.00s MW-03BR 03/19/201S 521 NA <1 NA NA 714 NA <0.05 NA NA 1.6 NA <1 NA NA NA <1 NA NA 0.403 NA NA NA <0.2 NA NA NA NA <0.3 NA <0.005 NA MW-04 03/20/201S 13 70 <1 <1 6.96 6 is <0.05 <0.05 <10 2.3 2.38 <1 <1 0.295 5.48 <1 <1 17.8 0.098 0.099 34 <1 <0.2 <0.2 190 0.553 <5 0.596 0.89 0.008 0.009 MW-05BR 03/11/201S 3510 4240 <1 <1 6.91 1870 1740 <0.05 <0.05 11 3.81 4.27 <1 <1 <0.01 5.76 <1 <1 17.2 0.212 0.209 3.8 <0.1 <0.2 <0.2 380 2.2 12 <0.3 <0.3 <0.005 <0.005 MW-07BR 06/19/201S 223 339 <1 <1 12.1 263 263 <0.05 <0.05 I <10 3.57 3.72 <1 <1 <0.01 4.92 <1 <1 18.2 0.986 0.988 1.6 0.112 <0.2 I <0.2 270 1.9 <5 <0.3 <0.3 <0.005 <0.00s MW-07D 06/19/201S <10 69 <1 <1 26.4 176 1188 <0.05 <0.05 <10 1.46 1.35 1.01 1 <1 <0.01 2.66 <1 <1 30.7 0.43 0.442 9 <0.1 <0.2 <0.2 390 1.2 <5 0.68 0.80 1 <0.005 <0.005 MW-0813111 03/12/201S 1490 9420 <1 11.7 26 3960 5040 <0.05 <0.05 <10 14.5 15 6.29 38.5 <0.01 6.6 <1 <1 39.6 0.405 0.459 39 <0.5 <0.2 <0.2 470 2.2 640 <0.3 12.3 0.04 0.137 MW-08BR 06/18/201S 2030 2200 <1 <1 23.1 2630 2680 <0.05 <0.05 <10 3.84 5.86 <1 1.42 0.016 5.43 <1 <1 43.8 0.418 0.425 33 0.196 <0.2 <0.2 550 1.8 8 <0.3 <0.3 0.01 0.088 MW-09BR 06/18/201S 102 3000 <1 <1 3.93 768 809 <0.05 <0.05 <10 2.44 1.75 1.01 1.43 0.086 3.09 <1 <1 13.3 0.108 0.109 8.9 <1 <0.2 <0.2 220 3.6 10 0.633 4.17 0.011 0.009 MW-10BR 03/17/201S 286 883 <1 <1 15.5 954 894 <0.5 <0.05 <10 2.54 2.37 1.91 3.09 <0.01 8.66 <1 <1 37.9 0.21 0.21 83 <10 <0.2 <0.2 330 2 17 0.861 1.66 0.006 0.009 MW-11BR 06/25/201S <10 115 <1 <1 11.1 73 67 <0.05 <0.05 <10 5.04 5.41 <1 <1 <0.01 5.03 <1 <1 14.3 0.225 0.2 14 <0.1 <0.2 0.32. 250 1.1 <5 2.39 2.69 0.012 <0.005 MW-12D 06/24/201S 95 326 <1 <1 3.44 674 683 <0.05 <0.05 <10 1.63 1.75 1.82 2.5 0.08 1.6 <1 <1 8.98 0.094 0.095 0.96 <0.1 <0.2 <0.2 120 0.396 <5 0.642 0.72 0.006 <0.005 MW-12S 06/18/201S <10 295 <1 <1 0.643 249 267 <0.05 <0.05 <10 <1 <1 1.35 1.45 1 1.86 <1 <1 6.79 0.03 0.027 1.9 <0.1 <0.2 <0.2 50 1 0.68 <5 <0.3 0.40 0.056 0.067 MW-13BR 06/23/201S 1160 1130 <1 <1 13.1 486 474 <0.05 <0.05 <10 7.2 8.28 <1 <1 <0.01 5.49 <1 <1 25.7 0.423 0.418 18 0.115 <0.2 <0.2 370 0.9 5 1<0.3 0.38 1 0.019 0.036 MW-14BR 03/12/201S 485 907 <1 <1 2.96 543 544 <0.05 <0.05 <10 14.6 14 <1 <1 0.039 4.08 <1 <1 33 0.145 0.149 12 <1 <0.2 <0.2 190 1.3 14 0.758 1.29 0.008 0.01 MW-16BR 06/23/201S 12 80 <1 <1 3.89 25 30 <0.05 <0.05 <10 21.8 23.4 <1 <1 <0.01 1.7 <1 <1 23.9 0.112 0.112 12 0.264 <0.2 <0.2 170 3.7 6 2.68 2.79 <0.005 <0.005 MW-16D 06/23/201S <10 87 <1 <1 5.16 260 269 <0.05 <0.05 <10 10.9 10.1 <1 <1 2.9 2.32 <1 <1 9.77 0.163 0.163 7.7 <0.1 <0.2 <0.2 160 0.208 <5 0.53 0.62 0.009 <0.005 MW-16D DUP 06/23/201S <10 85 <1 <1 5.1 250 261 <0.05 <0.05 <10 1 10.6 11.3 <1 <1 2.9 2.31 <1 <1 9.72 0.179 0.163 7.8 <0.1 <0.2 <0.2 150 0.214 <5 0.537 0.73 0.093 <0.00S MW-16S 06/23/2015 470 860 <1 <1 4.01 276 260 <0.05 <0.05 <10 1.23 1.24 1.63 1.57 0.144 2.06 <1 <1 11.2 0.111 0.109 5.3 <0.1 <0.2 <0.2 100 0.508 <5 <0.3 0.30 0.065 0.039 Notes: - Bold highlighted concentration indicates exceedance of the 15A NCAC 02L Standard, Appendix 2, April 1, 2013. Spec Cond = Specific Conductance Deg C = Degrees Celsius NTU = nephelometric turbidity unit DUP = Duplicate umhos/cm = micro mhos per centimeter NE = Not established S.U. = Standard Unit mg/I = milligram per liter DIS = Dissolved ft = feet my = millivolts TOT= Total NA = Not analyzed ug/I = microgram per liter NC = Not calculated mg - N/L = milligram nitrogen per liter < = concentration not detected at or above the reporting limit = Interim Maximum Allowable Concentrations (IMACs) of the 15A NCAC 02L Standard, Appendix 1, April 1, 2013. t Data invalid. Sample inadvertently collected before well development. DO = Dissolved oxygen ORP = Oxidation -Reduction Potential Eh = Oxidation Potential NM = Not measured Perpared by: BER LAM Checked by: KLS Revised by: EMB ecked by: BDW_ P:\Duke Energy Progress. 1026\105. Mayo Ash Basin GW Assessment Plan\l.11 CSA Reporting\FINAL\TABLES\Table 10-1 Groundwater Analytical Results Page 2 of 2