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NC0003433_Cape Fear CAP December 2015 Tables_20151201
Corrective Action Plan Part 1 December 2015 Cape Fear Steam Electric Plant LIST OF TABLES 1.0 Introduction Table 1-1 Ash Pore Water and Groundwater Analytical Results Table 1-2 Groundwater Speciation Analytical Results Table 1-3 Seep and Surface Water Analytical Results SynTerra 2.0 Extent of 2L and 2B Exceedances Table 2-1 Provisional Soil Background Concentration Summary Table 2-2 Provisional Surficial Groundwater Background Concentration Summary Table 2-3 Provisional Bedrock Groundwater Background Concentration Summary Table 2-4 Summary of APRASA Groundwater Analytical Results Table 2-5 Duke Energy Private Background Well Summary Table 2-6 Provisional Seep and Surface Water Background Concentration Summary Table 2-7 Provisional Sediment Background Concentration Summary Table 2-8 Soil Exceedances Table 2-9 Surficial Groundwater Exceedances Table 2-10 Bedrock Groundwater Exceedances Table 2-11 Surface Water and Seep Exceedances Table 2-12 Sediment Exceedances 3.0 Site Conceptual Model Table 3-1 Vertical Hydraulic Conductivity of Undisturbed Soil Table 3-2 In -situ Hydraulic Conductivity Test Results Table 3-3 Horizontal Groundwater Gradients and Flow Velocities Table 3-4 Water Levels and Potential Vertical Hydraulic Gradients Table 3-5 Leaching Properties of Soil Table 3-6 Groundwater Analytical Results - 0.45 vs 0.1 Micron Filtration (August and September 2015) 4.0 Modeling Table 4-1 Summary of Kd Values from Batch and Column Studies Table 4-2 Deep, Haw, and Cape Fear River Surface Water Analytical Results P:\Duke Energy Progress. 1026 \ 103. Cape Fear Ash Basin GW Assessment \ 16. Corrective Acton Plan \ Text \ Cape Fear CAP December 2015.docx TABLE 1-1 ASH PORE WATER AND GROUNDWATER ANALYTICAL RESULTS CAPE FEAR STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC, MONCURE, NC Analytical Parameter 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 Iron Iron DIS TOT CIS TOT DIS TOT CIS TOT DIS TOT CIS TOT DIS TOT TOT CIS TOT DIS TOT DIS TOT DIS TOT Reporting Units S.U. ft Deg C u � O5 mg/1 mV mV NTU mg/I mg/I ug/l ug/I ug/I ug/I ug/I ug/I ug/I ug/I ug/I ug/I mg/I ug/I ug/I ug/I ug/I mg/I mg/I mg/I ug/I ug/I ug/I ug/I ug/I ug/I ug/I ug/I 15A NCAC 02L Standard 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 SO NE 1* NE 1000 NE 300 Sample ID Sample Collection Date Field Parameters Analytical Results ASH PORE WATER ABMW-01 05/08/2015 8.0 19.65 25 468 0.39 -202 3 4.13 NM 75 26 61 <1 <1 532 582 117 119 <1 <1 75 2310 2270 <1 <1 53.6 <10 18 <1 <1 <1 <1 <1 <1 1570 1620 ABMW-01 09/01/2015 7.3 22.08 21 489 0.73 -162 43 0.8 0 89 23 61 <1 <1 493 494 122 123 <1 <1 89 2360 2340 <1 <1 56 <10 18 <1 cl <1 <1 <1 <1 481 536 ABMW-03 05/20/2015 8.3 13.54 18 1152 1.41 -78 127 0.72 NM 170 215 232 3.1 3.59 361 341 133 137 <1 <1 160 6250 6360 <1 <1 120 <10 6.7 <1 <1 <1 <1 <1 <1 70 91 ABMW-03 09/01/2015 8.1 16.43 20 1595 0.3 -179 26 1.36 0 240 185 195 2.16 1.88 368 415 154 155 <1 <1 240 5960 6050 <1 <1 122 <10 6.9 <1 <1 <1 <1 <1 <1 170 299 ABMW-04 05/14/2015 7.3 16.23 19 840 0.19 -184 21 4.36 NM 230 13 30 <1 <1 709 1010 266 258 <1 <1 230 1410 1350 <1 <1 82.4 <10 37 <1 <1 <1 <1 <1 <1 3960 3630 ABMW-04 09/01/2015 6.8 17.48 19 805 0.3 -84 121 8.1 2 260 10 31 <1 <1 711 M4 735 293 299 <1 <1 250 1400 1370 <1 <1 81.3 <10 42 <1 <1 <1 <1 <1 <1 2790 2960 PZ-06 08/05/2015 7.5 19.45 21 1083 0.31 -161 44 4.63 NM 310 43 170 2.17 2.3 607 647 307 312 <1 <1 310 5160 5380 <1 <1 183 <10 23 <1 <1 18.6 18.7 3.81 <1 2660 3050 PZ-07 08/06/2015 4.0 10.60 18 7193 0.29 179 3114 4.79 NM <10 431000 466000 <10 <10 201 193 42 <100 305 318 <30 1050 <5000 <10 <10 370 <10 13 141 138 1100 1050 <10 <10 2040000 2140000 PZ-27 09/02/2015 3.9 15.44 18 7632 0.4 120 325 3.2 5.5 <10 585000 534000 <10 <10 190 195 42 <250 344 334 <10 1130 <2500 <10 <10 382 <10 22 159 361 1210 1200 <10 <10 2220000 2100000 PZ-08 08/05/2015 6.7 18.10 23 975 0.36 -34 172 4.17 NM 190 7 16 4.22 2.85 224 124 66 61 <1 <1 190 463 465 <1 <1 107 <10 41 <1 <1 12.7 17.8 <1 <1 2560 2390 PZ-08 09/02/2015 6.8 18.72 21 862 1.2 -51 154 9.4 1.5 230 20 2350 5.85 5.5 270 300 80 147 <1 <1 230 452 475 <1 <1 93.3 <10 36 <1 2.24 10.5 12 11 4.99 4180 5010 SURFICIAL UPPER ABMW-02SU 05/20/2015 3.8 8.75 20 765 6.03 143 348 4.24 NM <10 1980 2090 <1 <1 <1 <1 27 28 <1 <1 <10 200 198 <1 <1 21 <10 39 <1 <1 18 19 2.37 2.41 16800 15900 ABMW-02SU 08/31/2015 4.2 11.61 20 676 0.5 225 430 6.7 1 <10 1090 1810 <1 <1 1.16 <1 33 30 <1 <1 <10 145 162 <1 <1 17 <10 41 <1 <1 45.6 16.3 9.41 1.16 13100 14900 BGMW-04 03/04/2015 5.9 14.49 14 189 1.33 70 275 8.11 NM NA NA 462 NA <1 NA <1 NA 31 NA NA NA NA <50 NA <1 NA NA 8.3 NA <5 NA NA NA 7 NA 360 BGMW-04 06/08/2015 5.7 16.20 18 188 1 97 302 9.85 NM 31.9 NA 3970 NA <1 NA <1 NA 91 NA <1 31.9 NA 482 NA <1 11.1 <5 9.3 NA <5 NA <1 NA <5 NA 3810 CMW-01 03/04/2015 6.1 5.80 16 400 0.08 -54 151 13.2 NM NA NA 176 NA <1 NA <1 NA 156 NA NA NA NA 1380 NA <1 NA NA 29 NA <5 NA NA NA <5 NA 28700 CMW-01 06/09/2015 6.2 8.26 20 517 0.16 -189 16 8.84 NM 178 NA 299 NA <1 NA <1 NA 229 NA <1 178 NA 1830 NA <1 25 <5 18 NA <5 NA <1 NA <5 NA 52700 CMW-02 03/04/2015 5.3 8.70 13 965 0.32 224 429 9.08 NM NA NA 38 NA <1 NA <1 NA 20 NA NA NA NA 71 NA <1 NA NA 20 NA <5 NA NA NA <5 NA 792 CMW-02 06/09/2015 5.3 10.52 19 947 0.57 -43 162 1.9 NM 23.9 NA 32 NA <1 NA <1 NA 23 NA <1 23.9 NA 78 NA <1 108 <5 28 NA <5 NA 1.82 NA <5 NA 796 CMW-03 03/04/2015 6.2 14.70 12 851 0.82 74 279 2.51 NM NA NA 32 NA <1 NA <1 NA 53 NA NA NA NA 969 NA <1 NA NA 34 NA <5 NA NA NA <5 NA 129 CMW-03 06/09/2015 6.1 14.98 19 442 2.74 31 236 1.54 NM 61.2 NA 50 NA <1 NA <1 NA 55 NA <1 61.2 NA 653 NA <1 45.9 <5 36 NA <5 NA <1 NA <5 NA 55 CMW-06 03/04/2015 6.2 4.09 15 462 0.26 9 214 44.4 NM NA NA 4380 NA <3 NA <1 NA 21 NA NA NA NA 413 NA <1 NA NA 23 NA <5 NA NA NA 8 NA 5050 CMW-06 06/09/2015 6.7 4.94 18 623 0.3 -189 16 6.27 NM 61.2 NA 388 NA <1 NA <1 NA 18 NA <1 61.2 NA 1560 NA <1 9.5 <5 16 NA <5 NA 1.14 NA <5 NA 556 CMW-08 03/04/2015 6.4 6.68 15 724 0.16 -84 122 63.7 NM NA NA 126 NA <1 NA <1 NA 221 NA NA NA NA 1250 NA <1 NA NA 14 NA <5 NA NA NA <5 NA 49200 CMW-08 06/09/2015 6.3 8.92 23 694 0.29 -85 120 22 NM 163 NA 131 NA <1 NA <1 NA 209 NA <1 163 NA 1300 NA <1 38.4 <5 14 NA <5 NA 3.89 NA <5 NA 41800 MW-11 07/01/2015 6.2 13.34 21 815 0.18 -148 57 4.65 2 160 6 76 <1 <1 <1 <1 58 59 <1 <1 160 <50 <50 <1 <1 53.5 <10 22 <1 <1 <1 1.03 <1 <1 2750 3810 MW-12 06/30/2015 6.7 12.46 22 12 0.24 -165 41 2.1 0.5 210 <5 <5 <1 <1 <1 <1 54 55 <1 <1 210 465 448 <1 <1 35.3 <10 59 <1 <1 2.64 2.43 <1 <1 414 456 MW-13 06/29/2015 5.8 11.64 18 432 0.33 136 341 2.88 0.5 60 14 206 <1 <1 <I <1 84 102 <1 <1 60 223 319 <1 <1 24.1 <10 28 <1 <1 1.2 1.46 1.81 <1 127 248 MW-155U 05/29/2015 4.6 10.47 24 2530 2.22 371 576 4.1 NM 11 NA 6850 NA <1 NA 2.47 NA 29 NA 10 11 NA <50 NA 1.21 147 <10 51 NA 3.39 NA 387 NA 30.7 NA 2490 MW-SSSU 09/01/2015 4.8 8.84 19 1567 6.39 123 328 NM NM NA 686 NI 1250 NI <1 NI <1 Nl <3 NI 1.16 Nl 20 Nl 29 N1 3.92 Nl 3.16 NI NA 65 N1 54 NI <l Nl <1 NI 77.7 Nl NA NA <1 NI <1 Nl 149 Nl 153 N3 23.5 Nl 11.6 Nl 34 NI 1580 Nl MW-17SU 03/19/2015 5.0 8.15 13 1129 0.33 63 268 4.46 2.5 Il 566 607 <1 <1 <1 <1 43 42 1.21 1.3 11 <50 <50 <i <1 110 <10 38 <1 <1 247 241 2.65 2.38 2560 2620 MW-17SU 09/01/2015 5.1 10.99 21 1183 0.1 4 209 1 4 31 458 472 <1 <1 <1 1.06 40 40 1.13 1.37 31 <50 <50 <1 <1 SOS <10 37 <1 <1 235 244 <1 <1 11500 12400 MW-185 06/03/2015 7.1 5.00 17 725 1.68 -10 195 2.99 NM 100 <5 325 <1 <1 <1 <1 8 10 <1 <1 100 173 180 <1 <1 10.5 <10 29 <1 <1 <1 <1 8.15 <1 <10 268 MW-185 09/01/2015 6.8 4.36 22 839 0.34 -24 181 6.13 0.5 120 5 45 <1 <1 <1 <1 12 13 <1 <1 120 186 133 <1 <1 9.47 <10 37 <1 <1 3.07 3.94 <1 <1 296 466 MW-195 03/11/2015 5.3 4.50 15 66 7.05 164 369 19.6 0 <10 55 998 <1 <1 <1 <1 34 47 <1 <1 <10 <50 <50 <1 <1 1.29 <10 15 <1 <1 <1 <1 <1 <1 16 486 MW-21SU 05/07/2015 4.1 10.21 22 497 3.96 155 360 2.51 NM <10 8070 8180 <1 <1 1.92 4.15 26 27 9.89 8.94 <10 <50 <50 <1 <1 37.7 <10 5.5 <1 <1 173 180 23.8 22 85 181 MW-21SU 09/01/2015 4.1 12.99 24 526 3.1 427 632 2 0.25 <10 4280 5000 <1 Ll <1 1.67 2.03 23 21 5.94 8.73 <10 <50 <50 <1 <1 38.4 <10 5.8 <1 <1 156 167 25.7 17.2 320 238 PZ-01 08/06/2015 6.1 4.88 22 881 0.15 -35 170 8.1 NM 160 22 62 <1 <1 <1 <1 28 30 <1 <1 160 620 650 <1 <1 57.5 <10 19 <1 <1 4.57 4.35 <1 <1 13500 14700 PZ-02 08/06/2015 6.3 6.33 21 632 0.33 55 260 4.08 NM 71 14 167 <1 <1 <1 <1 50 53 <1 <1 71 3670 3810 <1 <1 30.5 <10 19 <1 <1 7.7 8.24 8.3 1.42 678 1140 PZ-02 CUP 08/06/2015 6.3 6.33 21 632 0.33 55 260 4.08 NM 72 9 76 <1 <1 <I <1 50 53 <1 <1 72 3680 3830 <1 <1 30.3 <10 19 <1 <1 7.9 7.8 2.25 1.25 687 763 PZ-02 09/02/2015 6.4 6.27 23 662 0.5 51 256 4 0.25 87 <5 43 <1 <1 <1 <1 51 53 <1 <1 B7 4240 4320 <1 <1 32.4 <10 20 <1 <1 7.96 8.43 <1 <1 425 586 PZ-03S 08/05/2015 7.4 5.84 23 918 0.18 67 272 4.96 NM 170 <5 275 <1 <1 <1 <1 13 15 <1 <1 170 2440 2440 <1 <1 20.6 <10 67 <1 <1 <1 <1 9.03 <1 15 255 PZ-04 08/05/2015 6.4 9.33 22 747 0.34 -65 120 4.96 NM 130 <5 87 <1 <1 <1 <1 35 36 <1 <1 130 1460 1440 <1 <1 33.9 <10 55 <1 <1 1.3 1.31 1.89 <1 1080 1290 PZ-05 08/05/2015 5.4 2.13 24 692 0.68 214 419 4.1 NM 28 8 87 <1 <1 <1 <1 25 26 <1 <1 28 4770 4910 <1 <1 36.5 <10 28 <1 <1 7.67 8.24 8.26 <1 75 200 PZ-09 08/06/2015 4.6 12.10 19 358 0.2 370 575 13 NM <10 349 I110 <1 <1 <1 <1 41 44 <1 <1 <10 86 103 <1 <1 18.4 <30 29 1.5 1.91 27.3 28.4 6.28 6.94 18 1170 SURFICIAL LOWER ABMW-01S 05/08/2015 11.2 27.41 27 788 0.35 -133 72 0.91 NM 100 602 720 1.67 1.85 28.5 27.7 90 94 <1 <1 55 2970 2930 <1 <1 94 41 20 <1 <1 <1 <1 <1 <1 <10 14 ABMW-01S 08/31/2015 8.7 29.51 23 524 0.54 -170 35 3.7 0 85 41 79 <1 <1 24.6 26.4 38 38 <1 <1 80 3740 3760 <1 <1 61.6 <10 19 <1 <1 <1 <1 1.04 <1 27 56 ABMW-02SL 05/20/2015 6.2 9.16 17 1785 0.37 32 237 3.69 NM 39 8 69 <1 <10 1.18 <10 14 15 <1 <10 39 <50 <50 <1 <10 8.72 <70 6.6 <1 <10 4.17 <10 <1 <10 3260 3450 ABMW-02SL 08/31/2015 6.7 12.22 20 222 0.7 -106 99 7.2 2 64 12 74 <1 <1 3.47 3.79 23 23 <1 <1 64 <50 <50 <1 <1 6.75 <10 4.2 <1 <1 1.75 3.52 <1 <1 7140 7490 ABMW-03S 05/27/2015 11.7 17.54 21 3186 1.22 -39 166 0.86 NM 600 549 537 <1 <1 <1 1.09 643 638 <1 <1 <10 206 205 <1 <1 236 280 18 7.96 8.68 <1 <1 7.79 8.86 <10 21 ABMW-03S 08/31/2015 12.1 19.30 19 3 0.42 -59 147 1.39 0 560 2980 2760 <1 <1 1.48 1.56 650 669 <1 <1 <10 <50 <50 <1 <1 172 280 23 3.72 3.97 1.27 1.14 24.5 16.2 121 115 ABMW-04S 05/14/2015 6.2 19.53 18 413 0.24 -75 130 2.87 NM 120 23 43 <1 <1 1.55 1.62 86 94 <1 <1 120 <50 <50 <1 <1 26.8 <10 23 <1 <1 1 1.02 <1 <1 18000 18000 ABMW-04S 08/31/2015 6.5 20.68 19 509 2.9 -144 61 3.2 6 200 51 62 <1 <1 2.93 3.36 105 110 <1 <1 200 <50 <50 <1 <1 38.8 '10 22 <1 <1 <1 <1 <1 <1 30500 33200 ABMW-04S CUP 08/31/2015 6.5 20.68 19 509 2.9 -144 61 3.2 6 180 50 60 <1 <1 3.06 2.94 103 105 <1 <1 180 <50 <50 <1 <1 35.5 <10 22 <1 <1 <1 <1 <1 <1 29800 31300 ABMW-05S 06/02/2015 6.0 24.75 18 1991 0.33 -133 72 3.16 NM 110 167 225 <1 <1 <1 <1 55 61 <1 <1 110 177 187 1.05 <1 236 <10 25 <1 <1 326 327 <1 <1 96800 99600 ABMW-05S DUP 06/02/2015 6.0 24.75 18 1991 0.33 -133 72 3.16 NM 110 173 222 <1 <1 <1 <1 58 61 <1 <1 110 184 187 1.06 <1 231 <10 25 <1 <1 349 325 <1 <1 99300 103000 ABMW-05S 09/01/2015 5.7 25.87 20 1926 1 -67 138 5.44 2.5 67 219 353 <1 <1 1.73 2.12 32 33 <1 <1 67 153 150 <1 <1 201 <10 28 <1 <1 306 339 <1 <1 128000 142000 CMW-05 03/04/2015 6.1 11.90 15 230 3.77 89 294 35.6 NM NA NA 2970 NA <1 NA <1 NA 72 NA NA NA NA 359 NA <1 NA NA 10 NA <5 NA NA NA 5 NA 2650 CMW-05 06/09/2015 5.9 15.11 20 201 3.32 -14 191 47.6 NM 28.1 NA 154 NA <1 NA <1 NA 32 NA <1 28.1 NA <50 NA <1 2.59 <5 8.8 NA <5 NA <1 NA <5 NA 99 CMW-07 03/04/2015 5.1 21.62 17 67 0.16 139 344 29 NM NA NA 1110 NA <1 NA <1 NA 59 NA NA NA NA <50 NA <1 NA NA 3.2 NA <5 NA NA NA <5 NA 2460 CIA W-07 O6/09/2015 5.6 23.54 19 282 0.38 -131 75 9.1 NM 28.3 NA 5 NA <1 NA 1.1 NA 162 NA <1 28.3 NA 98 NA <1 9.57 <5 22 NA <5 NA 16.5 NA <5 NA 10300 MW-30 07/0l/2015 5.8 13.3fi 18 1360 0.28 -114 91 3.01 2 120 B �26 <1 <1 <I <I 28 29 <1 <1 120 892 922 <1 <1 158 <30 23 <1 <1 19.8 21 <1 <1 2540 2800 MW-10 09/02/2015 5.8 13.95 20 1359 0.73 7 212 1.25 0.5 130 <5 <1 <1 <1 <1 211 28 <1 <1 130 961 987 <1 <1 176 <10 23 <1 I <1 19.7 1 20.5 1 <1 I <1 1 435 1 740 P:\Duke Energy Progress.1026\103. Cape Fear Ash Basin GW Assessment\16.Corrective Acton Plan\Tables\Table 1-1 APW and GW Analytical Results.xlsx Page 1 of TABLE 1-1 ASH PORE WATER AND GROUNDWATER ANALYTICAL RESULTS CAPE FEAR STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC, MONCURE, NC Analytical Parameter 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 Iron Iron DIS TOT CIS TOT DIS TOT CIS TOT DIS TOT CIS TOT DIS TOT TOT CIS TOT DIS TOT DIS TOT DIS TOT Reporting Units S.U. ft Deg C u ems mg/I mV mV NTU mg/I mg/I ug/l ug/I ug/I ug/I ug/I ug/I ug/I ug/I ug/I ug/I mg/I ug/I ug/I ug/I ug/I mg/I mg/I mg/I ug/I ug/I ug/I ug/I ug/I ug/I ug/I ug/I SSA NCAC 02L Standard 6.5-8.5 NE NE NE NE NE NE NE NE NE NE NE NE 1* NE SO NE 700 NE 4* NE NE 700 NE 2 NE NE 250 NE SO NE 1* NE 1000 NE 300 Sample ID Sample Collection Date Field Parameters Analytical Results MW-15SL 05/29/2015 6.0 10.58 18 329 0.1 116 321 4.97 NM 47 58 76 <1 <1 2.37 2.4 76 76 <1 <1 47 <50 <50 <i <1 10 <10 6.3 <1 <1 19.8 21.1 <1 <1 45000 45500 MW-SSSL O6/30/2015 6.1 10.44 19 282 0.3 -61 145 5.26 4.5 58 71 161 <1 <1 1.77 1.91 67 69 <1 <1 58 <50 <50 <l <1 7.21 <10 7.6 <1 <1 12 12.3 <1 <1 37300 38400 MW-15SL 09/O1/2015 6.3 12.05 20 278 1.05 -95 110 6.32 1.5 59 63 83 <1 <1 2.32 2.36 67 69 <1 <1 59 <50 <50 <1 <1 6.95 <10 7.7 <1 <1 11.5 11.8 1.9 <1 36700 37500 MW-16S 05/20/2015 6.2 2.19 17 978 16.6 111 316 4.26 NM 84 15 110 <1 <1 <3 <3 159 160 <1 <1 84 217 140 <I <1 59.9 <10 210 <1 <1 5.31 3.52 <1 <1 35 93 MW-16S DUP 05/20/2015 6.2 2.19 17 978 16.6 111 316 4.26 NM 83 <5 64 <1 <1 <1 <1 156 162 <1 <1 83 202 140 <I <1 59.7 <10 200 <1 <1 5.19 3.9 <1 <1 33 72 MW-165 1 09/01/2015 6.2 5.83 19 1196 4.5 36 241 2 0.5 130 <5 91 <1 L1 <1 <1 <1 205 202 <1 <1 130 83 81 <1 <1 72 <10 280 <1 <1 2.79 2.49 <1 <1 376 385 MW-17SL 03/19/2015 1 6.0 7.23 14 1189 0.29 -50 155 4.76 6.5 83 203 525 <1 <1 <1 <1 118 126 <1 <1 83 <50 <50 <1 <1 80.9 <10 17 <1 <1 6.3 6.76 <1 <1 174000 175000 MW-17SL 09/01/2015 5.8 10.41 18 762 0.2 -66 139 1 2.5 120 109 125 <1 <1 <1 <1 81 80 <1 <1 120 <50 i <50 <i <1 45.2 <10 12 <1 <1 <1 <1 <1 <1 74800 68400 MW-20S 05/21/2015 6.3 9.86 16 474 0.14 -24 181 4.98 NM 130 11 190 <1 <1 <1 <1 164 163 <1 <1 130 <50 <50 <1 <1 29.4 <10 29 <1 <1 <1 <1 <1 <1 4040 4270 MW-205 09/O1/2015 6.3 14.02 18 691 0.37 -130 75 1.95 1.5 I50 B 25 <1 <1 <1 <1 162 163 <1 <1 IS <50 "0 <1 <1 29.5 <SO 32 <1 <1 <1 <1 <1 <1 5240 5270 MW-21SL 05/07/2015 5.7 10.03 17 1476 0.22 80 285 1.24 NM 63 9 38 <1 <1 <1 <1 39 30 <1 11 63 57 60 <1 <1 170 <10 23 <1 <1 15.7 18.7 <1 <1 580 731 MW-21SL 09/01/2015 5.8 13.58 24 1483 3.2 28 233 2 1.5 64 8 12 <1 LI <1 <1 11 28 25 <1 <1 64 149 135 <1 <1 162 <10 23 6 7.12 1 9.05 8.98 <1 <1 1800 1740 BEDROCK ABMW-01BR 05/08/2015 8.1 28.07 28 639 0.37 -138 67 4 NM 120 7 103 <1 <1 5.34 5.64 119 124 <1 <1 120 1010 891 <1 <1 64.7 <10 23 <1 <1 <1 <1 <1 <1 72 173 ABMW-01BR 08/31/2015 8.6 30.12 23 648 0.58 -172 33 5.84 NM 140 24 90 <1 <1 7.03 7.69 153 166 <1 <1 140 1360 1350 <1 <1 57.2 <10 22 <1 8.39 <1 <1 <1 <1 66 264 ABMW-03BR 05/19/2015 7.1 22.84 19 863 0.13 -72 133 8.44 NM 250 <5 177 <1 <1 1.2 1.28 127 129 <1 <1 240 189 188 <1 <1 96.7 <10 31 <1 <1 <1 <1 <1 <1 1400 1660 ABMW-03BR 09/01/2015 6.9 24.18 19 860 0.42 -101 105 6.78 1 270 <5 97 <1 <1 1.4 1.46 116 116 <1 <1 270 141 140 <1 <1 96.5 <10 34 <1 <1 <1 <1 1.07 <1 1480 1630 ABMW-OSBR 05/19/2015 8.2 24.58 21 329 0.14 -264 -59 4.68 NM 140 13 88 <1 <1 2.76 2.58 295 310 <1 <1 140 55 54 <1 <1 23.5 <10 5 <1 <1 <1 <1 <1 <1 21 129 ABMW-05BR 09/01/2015 8.0 26.11 24 854 0.44 -158 47 2.19 0 150 10 43 <1 <1 1.18 1.66 275 278 <1 <1 ISO 60 60 <1 <1 20.8 <10 5.4 <1 <1 <1 <1 <1 <1 23 74 BGTMW-04 03/04/2015 7.7 15.12 14 321 0.8 48 253 0.46 NM NA NA 11 NA <1 NA <1 NA 128 NA NA NA NA <50 NA <1 NA NA 17 NA <5 NA NA NA <5 NA 111 BGTMW-04 06/08/2015 8.1 16.63 20 310 2.3 -43 162 2.54 NM 122 NA 44 NA <1 NA 3.05 NA 129 NA <1 122 NA <50 NA <1 28.5 <5 16 NA <5 NA <1 NA <5 NA 57 CTMW-01 03/04/2015 7.1 5.20 18 707 0.37 -54 151 5.48 NM NA NA 9 NA <1 NA <1 NA 185 NA NA NA NA 379 NA <1 NA NA 33 NA <5 NA NA NA <5 NA 874 CiMW-Ol 06/09/2015 7.1 7.10 21 700 0.7 -140 65 2.8 NM 191 NA 11 NA <1 NA <1 NA 178 NA <1 191 NA 379 NA <1 104 <5 32 NA <5 NA <1 NA <5 NA 385 CTMW-02 03/04/2015 8.2 9.14 14 304 3.19 210 415 3.72 NM NA NA 39 NA <1 NA 7.65 NA 245 NA NA NA NA <50 NA <1 NA NA 3.6 NA <5 NA NA NA 6 NA 59 CiMW-02 06/09/2015 8.0 11.45 21 302 2.47 -78 127 4.47 NM 137 NA 105 NA <3 NA 8.89 NA 255 NA <3 137 NA <50 NA <1 20.3 <5 3.6 NA <5 NA <1 NA <5 NA 172 C7MW-07 03/04/2015 7.0 23.80 SS 576 1.89 28 233 1.26 NM NA NA 27 NA <S NA 1.15 NA 36 NA NA NA NA 53 NA <1 NA NA 31 NA <5 NA NA NA <5 NA 50 CiMW-07 06/08/2015 7.2 24.43 22 576 1.88 64 269 0.25 NM 161 NA 14 NA <1 NA 1.5 NA 49 NA <1 161 NA 55 NA <1 62.4 <5 31 NA <5 NA <1 NA <5 NA 17 C7MW-08 03/04/2015 7.1 9.58 15 783 0.23 -62 143 1.93 NM NA NA 21 NA <1 NA 6.69 NA 185 NA NA NA NA 382 NA <1 NA NA 16 NA <5 NA NA NA 5 NA 2070 CTMW-06 DUP 03/04/2015 7.1 9.58 15 783 0.23 -62 143 1.93 NM NA NA 16 NA <3 NA 6.81 NA 191 NA NA NA NA 422 NA <1 NA NA 16 NA <5 NA NA NA 5 NA 2580 CTMW-08 06/09/2015 7.3 11.56 19 759 0.55 -111 94 6.97 NM 260 NA 38 NA <1 NA 4.55 NA 187 NA <1 260 NA 356 NA <1 79.4 <5 16 NA <5 NA <3 NA <5 NA 1270 CTMW-08 DUP 06/09/2015 7.3 11.56 19 759 0.55 -111 94 6.97 NM 248 NA 50 NA <1 NA 5.15 NA 193 NA <1 248 NA 368 NA <1 81.1 <5 16 NA <5 NA 11 NA <5 NA 1640 MW-OSBR O6/18/2015 11.2 17.86 21 539 1.34 -165 40 3.44 NM 53 1210 1210 <1 <1 <l <3 36 37 <1 <1 22 <50 <50 <1 <1 45 25 23 <1 1.07 <1 <1 5.27 <1 <10 39 MW-05BR 09/02/2015 11.1 16.64 23 710 1 -104 101 3 NO 64 770 862 <1 <1 1.37 1.39 40 40 <1 <1 15 <50 <50 <1 <1 49.1 36 27 <1 <1 <1 <1 <1 <1 <10 37 MW-068R 06/03/2015 7.5 5.40 19 1294 0.78 -193 12 4.64 NM 160 8 82 <1 <1 <1 <1 714 757 <1 <1 160 <50 <50 <1 <1 97.7 <10 250 <1 <1 <1 <1 <1 <1 <10 116 MW-06BR 06/30/2015 7.4 5.06 19 1211 0.31 -248 -43 0.42 0 180 6 30 <1 <1 <I <3 826 842 <1 <1 ISO <50 <50 <1 <1 97.6 <10 250 <1 <1 <1 <1 <1 <1 157 178 MW-06BR 09/O1/2015 7.3 5.80 21 1211 0.37 -107 98 3.09 0 200 <5 24 <1 <1 <I <1 702 713 <1 <1 200 <50 <50 <1 <1 93.9 <10 220 <1 <1 <1 <1 <1 <1 160 177 MW-09 06/30/2015 5.7 14.20 21 1049 0.23 101 306 3.21 1.5 83 6 16 <1 <1 <1 <1 80 76 <1 <1 82 <50 <50 <1 <1 68.9 <10 240 <1 <1 4.56 6.7 <1 <1 1130 1800 MW-09 09/01/2015 6.1 15.48 22 863 0.2 49 254 1.9 2 120 <5 23 <1 <1 <1 <1 108 103 <1 <1 120 <50 <50 <1 I <1 57.1 <10 150 1 <1 <1 1.4 1.51 1 <1 <1 2000 2290 MW-09BR 05/30/2015 7.7 17.46 19 706 0.12 -238 -33 2.1 NM 160 82 138 <1 <1 <3 <3 416 420 <1 <1 160 <50 <50 <1 <1 60.3 <10 120 <1 <1 <1 <1 <1 <3 268 441 MW-09BR 09/01/2015 7.3 19.23 21 656 0.2 -128 78 1 0.5 170 <5 18 <1 <1 <1 <1 410 410 <1 <1 170 <50 <50 <1 <1 55.8 <10 100 <1 <1 <1 <1 <1 <1 482 491 MW-10BR 05/27/2015 8.4 16.60 18 703 0.13 -41 164 3.92 NM 120 23 213 <1 <1 2.42 2.49 73 64 <1 <1 120 127 110 <1 <1 81.4 <10 14 <1 <1 <1 <1 <1 <1 20 137 MW-10BR 09/02/2015 9.5 16.06 22 1057 0.51 -147 58 9.81 0 63 23 118 <1 <1 2.14 1.86 88 96 <1 <1 60 66 66 <3 <1 79.6 M4 <10 21 <1 <1 <1 <1 <1 <1 11 71 MW-10D 05/28/2015 6.6 15.40 18 1214 1.18 136 341 4.95 NM 200 <5 154 <1 <1 1.75 1.88 43 56 <1 <1 200 201 221 <1 <1 179 <10 21 <1 <1 <1 <1 <1 <1 130 243 MW-10D 09/02/2015 6.4 15.70 19 1930 0.8 20 225 2.29 0 260 <5 22 <1 <1 2.89 3.17 38 43 <1 <1 260 391 478 <1 <1 281 <10 29 <1 <1 <1 <1 <1 <1 298 346 MW-10D DUP 09/02/2015 6.4 1 15.70 19 1 1930 0.8 20 1 225 2.29 0 240 7 14 <1 <1 2.63 2.31 1 36 37 <1 <1 240 375 372 <1 <1 226 <10 25 <1 <1 <1 <1 <1 <1 302 294 MW-128R 03/19/2015 7.4 10.90 16 523 0.28 -43 162 3.88 0 160 <5 88 <1 <1 1 1.04 1.12 605 612 <1 <1 160 <50 <50 <1 I <1 42.5 <10 1 53 <1 <1 <1 <1 <1 <1 20 107 MW-12BR 09/O1/2015 7.5 11.98 21 600 0.59 -134 71 7.75 NM 190 <5 101 <1 <1 1.28 1.31 695 711 <1 <1 190 <50 <50 <1 <1 44.3 <10 56 <1 <1 <1 <1 1.58 <1 <10 96 MW-14 06/30/2015 9.1 11.80 19 423 0.13 -309 -104 31.6 0 110 104 614 <1 <1 <i <S 55 64 <1 <1 100 125 132 <1 <1 10.3 <10 40 <1 1.06 <1 <1 1.55 <1 <10 419 MW-15BR 06/O1/2015 8.2 10.87 21 410 1.52 -71 134 4.75 NM 150 51 7 <5 <1 6.44 6.76 424 429 <5 <1 ISO <50 <50 <5 <1 34.4 <10 NA <5 <1 <5 <1 <5 <3 <10 <10 MW-15BR 06/30/2015 7.9 9.62 18 431 0.52 137 342 2.32 0 130 15 30 <1 <1 6.6 6.07 369 398 <1 <1 130 <50 <50 <1 <1 31.9 <10 13 <1 <1 <1 <1 <1 <1 15 31 MW-15BR 09/O1/2015 8.1 10.71 23 425 0.65 -141 64 6.46 NM 140 7 1 120 <1 <1 6.67 7.84 357 342 <1 <1 130 <50 <50 <1 <1 27.7 <10 15 <1 <1 <1 <1 5.4 <1 17 123 MW-16BR 05/20/2015 7.7 53.91 16 589 0.17 -149 56 4.83 NM 180 6 118 <1 <1 2.59 2.5 352 1 360 <1 <1 170 51 51 <1 <1 41.1 <10 37 <1 <1 <1 <1 <1 2.48 187 329 MW-16BR 1 09/O1/2015 7.7 1 6.82 18 1 673 0.1 -115 90 1 0.25 1 190 6 60 <1 LS I <1 1.08 1 1.44 444 468 <1 <1 180 52 52 <1 <1 51.5 <10 48 8.82 4.98 <1 <1 <1 1.53 304 311 MW-17BR 03/19/2015 8.2 6.34 14 491 0.23 -19 186 4.6 0 ISO 8 193 <1 <1 2.18 2.24 540 536 <1 <1 ISO <50 1 <50 1 <1 <1 38.7 <1=473.16 1 <1 <1 <1 <1 <10 143 MW-17BR 09/01/2015 8.2 9.98 18 522 0.2 -235 -30 1.4 ND 200 7 45 <1 <1 <1 <I 515 485 <1 <1 200 <50 <50 <1 <1 37.2 <11 <1 <1 <1 <1 15 39 MW-20BR 05/27/2015 7.7 13.00 16 331 0.07 -124 81 6.37 NM 140 6 621 <1 <1 1.43 1.57 136 145 <1 <1 140 <50 <50 <1 <1 25.1 <11 <1 <i <1 <1 63 730 MW-20BR 09/01/2015 7.9 13.38 18 499 0.24 -204 1 8.55 0 150 8 189 <1 <1 <1 <1 129 136 <1 <1 150 <50 <50 <1 <1 23.8 <11 <1 <1 <1 <1 53 214 MW-21BR 05/07/2015 8.8 20.45 30 368 1.7 60 265 4.78 NM 76 39 463 <1 <1 1.92 1.98 95 106 <1 <1 74 151 151 <1 <1 5.45 <11 <1 <1 <1 <1 <10 209 MW-21BR 09/O1/2015 8.8 19.29 31 414 0.6 31 236 2 ND 88 36 43 <3 Ll <1 1.61 1.85 95 97 <1 <1 87 149 138 <3 <1 5.21 <11 <1 <1 6.86 <1 47 184 PZ-03D 08/OS/2015 7.6 6.05 23 645 0.47 -38 167 4.41 NM 150 <5 57 <1 <1 5.01 5.49 131 138 <1 <1 140 57 <50 <i <1 48.8 <1<1 <1 <1 <1 <1 21 97 Prepared by: BM Checked by: CJS Notes: O -Bold highlighted concentration indicates exceedance of the 15A NCAC 02L Standard, Appendix 2, April 1, 2013. M4 - The spike recovery value was unusable since the analyte concentration in the sample was disproportionate to the spike level = concentration not detected at or above the reporting limit. NS - Sample inadvertently collected with sample running through the How cell and should be considered invalid based on * - Interim Maximum Allowable Concentrations (IMACs) of the 15A NCAC 02L Standard, Appendix 1, April, 1, 2013. possible contamination from the Flow cell ORP = Oxidation Reduction Potential Temp = Temperature mg/I = milligram per liter NE = Not established DIS = Dissolved DO = Dissolved Oxygen mV = millivolts NTU = nephelometric turbidity unit TOT = Total Deg C = Degree Celsius mg-N/L = miligram nitrogen per liter S.U. = Standard Unit ug/I = microgram per liter Spec Cord = Specific Conductance Eh = Redox potential NM = Not Measured umhos/cm = micro mhos per centimeter P:\Duke Energy Progress. 1026\103. Cape Fear Ash Basin GW Assessment\16.Corrective Acton Plan\Tables\Table 1-1 APW and GW Analytical Results.xlsx Page 2 of TABLE 1-1 ASH PORE WATER AND GROUNDWATER ANALYTICAL RESULTS CAPE FEAR STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC, MONCURE, NC Analytical Parameter Lead Lead Magnesium Manganese Manganese Mercury Mercury Methane Molybdenum Molybdenum Nickel Nickel Nitrate (as 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 TOT DIS TOT DIS TOT DIS TOT DIS TOT TOT DIS TOT TOT DIS TOT DIS TOT DIS TOT DIS TOT Reporting Units ug/I ug/I 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 ug/I ug/I mg/I mg/I ug/I ug/I mg/I mg/I mg/I ug/I ug/I ug/I ug/I 15A NCAC 02L Standard NE 15 NE NE 50 NE 1 NE NE NE NE 100 10 NE NE 20 NE NE NE 250 NE NE 0.2* 500 NE NE NE 0.3* NE 1000 Sample ID CollectionSamplDe ate Analytical Results ASH PORE WATER ABMW-01 05/08/2015 <1 <1 7.08 163 161 <0.05 <0.05 <10 449 457 1.97 1.92 <0.01 8.64 1.26 <1 19 1210 1210 96 0.137 <0.2 <0.2 280 1.8 6 <0.3 0.522 <5 6 ABMW-01 09/01/2015 <1 <1 7.98 168 169 <0.05 <0.05 160 269 291 2.01 1.96 <0.01 9.18 <1 1.01 19 1400 1390 110 1.42 <0.2 <0.2 310 1.4 <5 0.59 0.618 <5 <5 ABMW-03 05/20/2015 <1 <1 67.4 124 124 <0.05 <0.05 940 261 239 5.1 5.45 0.016 19.7 1.92 2.32 23.4 4370 4450 410 <0.2 0.442 0.422 820 1.2 <5 22.3 22.1 5 <5 ABMW-03 09/01/2015 <3 <1 75.2 174 172 <0.05 <0.05 660 226 227 4.5 5.5 0.024 20.9 <1 1.01 23.3 4710 4630 410 <0.1 <0.2 <0.2 860 1.3 <5 10.6 11.1 6 <5 ABMW-04 05/14/2015 <1 <1 17.3 409 395 <0.05 <0.05 6200 32.4 35.3 3.38 3.07 <0.01 13.4 1.67 <1 57 3270 3200 120 <0.2 <0.2 <0.2 500 1.3 10 <0.3 <0.3 6 <5 ABMW-04 09/01/2015 <1 <1 17.2 405 401 <0.05 <0.05 6600 26.6 27.3 2.79 2.48 0.014 13.3 <1 <1 54.3 3210 3170 100 <0.1 <0.2 <0.2 470 1.3 8 <0.3 0.427 <5 <5 PZ-06 08/05/2015 <1 <1 24.9 1070 1110 <0.05 <0.05 56 263 269 16.2 15.9 <0.01 13 <3 <1 22 5230 5220 230 <0.1 <0.2 0.255 760 1.1 13 9.31 11.1 22 <5 PZ-07 0S/06/2015 11.2 30.3 185 24800 26300 <0.05 <0.05 310 <10 <10 2180 2050 <0.01 97.9 16.1 16.4 79.7 10000 11000 18000 <0.1 13.2 12.6 12000 1.1 16 1910 1880 2690 3450 PZ-07 09/02/2015 11.4 11.3 208 27900 27300 <0.05 <0.05 2800 <10 <10 2400 2330 <0.01 101 13.7 <10 69.7 10600 10600 23000 <1 12.8 13.1 12000 0.804 8 2060 2160 3020 3850 PZ-OS 08/05/2015 <1 <1 25.4 1570 2170 <0.05 <0.05 <10 22.1 16.9 33.9 43.5 0.082 12.4 <1 1.07 59.2 2620 2790 220 1 <0.1 1.02 1.31 620 0.492 42 9.49 6.43 28 11 PZ-08 09/02/2015 11 2.23 21.7 1230 1260 <0.05 <0.05 <10 24.8 25.8 15.7 23 0.012 8.93 <1 1.64 52.7 2450 2660 170 <1 1.215 1.35 570 0.42 35 11.3 20.8 5 10 SURFICIAL UPPER ABMW-02SU 05/20/2015 6.16 6.24 8.71 1560 1540 <0.05 <0.05 30 <1 <1 14.4 14.8 0.03 3.66 <1 <1 79.9 552 549 270 <0.5 <0.2 <0.2 440 2.5 <5 <03 <0.3 36 37 ABMW-02SU 08/31/2015 3.37 3.34 7.65 4390 1350 <0.05 <0.05 49 <1 <1 16.8 22.1 0.023 3.67 <1 <1 86.2 407 414 370 <0.5 <0.2 0.238 450 2.9 11 <0.3 0.737 47 38 BGMW-04 03/04/2015 NA <1 NA NA it NA <0.05 NA NA NA NA <5 NA NA NA <1 NA NA NA 25 NA NA <0.2 140 NA NA NA NA NA 15 BGMW-04 06/08/2015 NA 1.22 7.11 NA 49 NA <0.05 NA NA <1 NA <5 3.5 0.339 NA <1 18.1 NA NA 26 NA NA <0.2 150 NA <5 NA NA NA 7 CMW-0i 03/04/2015 NA <1 NA NA 1390 NA <0.05 NA NA NA NA 5 NA NA NA <1 NA NA NA 2.1 NA NA <0.2 200 NA NA NA NA NA <5 CMW-01 06/09/2015 NA <1 13.1 NA 1250 NA <0.05 NA NA <1 NA <5 <0.023 0.674 NA <1 24.1 NA NA <0.1 NA NA <0.2 240 NA 45 NA NA NA 8 CMW-02 03/04/2015 NA <1 NA NA 6380 NA <0.05 NA NA NA NA 71 NA NA NA <1 NA NA NA 430 NA NA <0.2 770 NA NA NA NA NA 17 CMW-02 06/09/2015 NA <1 40.3 NA 6760 NA <0.05 NA NA <1 NA 72 0.05 0.882 NA <1 36.2 NA NA 480 NA NA <0.2 780 NA <5 NA NA NA 19 CMW-03 03/04/2015 NA <1 NA NA 3200 NA <0.05 NA NA NA NA <5 NA NA NA 8.9 NA NA NA 170 NA NA <0.2 450 NA NA NA NA NA 15 CMW-03 06/09/2015 NA <1 10.3 NA 85 NA <0.05 NA NA <1 NA <5 <0.023 2.6 NA 46.8 19.6 NA NA 87 NA NA <0.2 250 NA <5 NA NA NA <5 CMW-06 03/04/2015 NA <1 NA NA 908 NA <0.05 NA NA NA NA <5 NA NA NA <1 NA NA NA 110 NA NA <0.2 330 NA NA NA NA NA 8 CMW-06 06/09/2015 NA <1 8.52 NA 204 NA <0.05 NA NA <1 NA <5 0.03 0.123 NA <1 107 NA NA 160 NA NA <0.2 380 NA 9 NA NA NA 14 CMW-08 03/04/2015 NA <1 NA NA 13400 NA <0.05 NA NA NA NA 6 NA NA NA <1 NA NA NA 130 NA NA <0.2 430 NA NA NA NA NA <5 CMW-08 06/09/2015 NA <1 28.9 NA 13000 NA <0.05 NA NA <1 NA <5 <0.023 0.168 NA <1 38.2 NA NA 47 NA NA <0.2 400 NA 56 NA NA NA <5 MW-11 07/01/2015 <1 <1 36.9 792 912 <0.05 <0.05 460 <1 <1 4.5 4.23 <0.01 0.486 <1 <1 48.5 532 535 200 <0.1 <0.2 <0.2 550 5.8 5 0.372 0.867 <5 <5 MW-12 06/30/2015 <1 I <1 26.5 1 842 843 <0.05 <0.05 11 1.42 1.57 1.28 <1 0.09 0.136 <1 <1 165 25S 257 260 <0.2 <0.2 <0.2 740 1.2 <5 <0.3 <0.3 8 <5 MW-13 06/29/2015 <1 <1 15.1 641 820 <0.05 <0.05 <10 <1 <1 3.41 3.31 0.094 0.145 <3 <1 33.4 180 223 91 <0.2 <0.2 0.297 270 0.91 <5 0.587 1.07 204 11 MW-15SU 05/29/2015 NA 2.48 82.3 NA 33700 NA <0.05 <10 NA <1 NA 150 0.623 0.623 NA 1.45 293 NA 1270 1 1600 1 <1 NA 0.218 NA 7.4 NA NA 4.57 NA 288 MW-15SU 09/01/2015 1.79 NI <1 NI 55.5 NI 12900 Nl 16800 N3 <0.05 NI <0.05 NI NA <1 NI <1 N1 75.6 N1 99.3 N1 NA 2.3 N1 <1 N1 <1 N1 198 N1 660 NI 793 N1 NA NA 0.399 NI <0.2 N1 NA NA NA <03 N1 1.31 NS 157 NI 163 N1 MW-17SU 03/19/2015 <1 <1 47.1 45700 45500 <0.05 <0.05 630 <1 <1 61 59 <0.01 0.711 <1 <1 45.2 847 801 710 <1 <0.2 <0.2 910 48 <5 <0.3 0.381 381 362 MW-175U 09/01/2015 <1 <1 49 51500 54400 <0.05 <0.05 620 <1 <1 51.4 53.5 0.02 0.589 <1 <3 45.9 782 786 620 0.204 <0.2 <0.2 960 1.5 <5 2.36 2.79 171 149 MW-18S 06/03/2015 <1 <1 10.4 118 137 <0.05 <0.05 <10 <1 <1 <1 <1 <0.01 <0.1 <1 <3 121 90 93 180 <0.1 <0.2 <0.2 450 0.481 6 0.876 1.63 13 <5 MW-18S 09/01/2015 <1 <1 9.71 1090 1320 <0.05 <0.05 <10 <1 <1 <1 1.25 0.025 0.125 <1 <3 140 88 90 190 <0.2 0.997 <0.2 490 1.7 <5 <0.3 0.496 <5 <5 MW-19S 03/11/2015 <1 <1 1.78 19 27 <0.05 <0.05 <10 <1 <1 <1 <1 <0.01 <0.1 <1 <1 7.09 29 37 2.6 <2 <0.2 <0.2 54 0.44 19 <0.3 0.81 <5 <5 MW-21SU 05/07/2015 <1 <1 12.9 9240 9720 <0.05 <0.05 <10 <1 <1 51.2 49.1 4.8 3.39 1.53 1.98 9.27 517 526 300 <0.1 <0.2 0.335 360 2.2 <5 <0.3 <0.3 197 191 MW-21SU 09/01/2015 1.78 <1 13.4 9740 9960 <0.05 <0.05 <10 <3 <3 41.4 45.4 2.9 3.63 <1 1.01 18.3 554 522 1 340 1 <0.1 <0.2 <0.2 400 2.3 <5 <0.3 <0.3 184 215 PZ-01 08/06/2015 <1 <1 42.4 4150 4250 <0.05 <0.05 30 <1 <1 4.93 4.46 0.026 0.513 <3 <1 68.1 273 273 260 <0.1 0.592 <0.2 650 1.1 14 0.309 0.604 47 <5 PZ-02 08/06/2015 <1 <1 16.9 2320 2440 <0.05 <0.05 <10 <1 <3 6.23 8.58 0.105 0.447 <1 <1 67.5 311 319 180 <0.1 <0.2 <0.2 430 2.9 <5 0.818 1.66 49 <5 PZ-02 DUP 08/06/2015 <1 <1 16.8 2350 2440 <0.05 <0.05 <10 <1 <1 6.26 6.02 0.55 0.438 <I <1 67.1 316 322 180 <0.1 <0.2 <0.2 450 3.4 <5 0.873 1.27 11 <5 PZ-02 09/02/2015 <1 <1 18 2500 2600 <0.05 <0.05 <10 <1 <1 3.67 3.63 0.031 0.293 <1 <1 72.6 334 340 200 <0.5 <0.2 <0.2 460 1.7 <5 0.593 0.982 <5 <5 PZ-03S 08/05/2015 1.1 <1 16.6 131 182 <0.05 <0.05 22 1.5 1.48 <1 <1 0.032 0.146 <1 <1 142 187 196 170 <0.1 <0.2 <0.2 590 0.733 <5 1.26 1.97 78 <5 PZ-04 1 08/05/2015 <1 <1 25.3 508 519 <0.05 <0.05 38 <1 <1 3.51 93 0.038 0.305 <3 <1 88.1 338 341 150 <0.1 0.351 <0.2 470 1.9 <5 0.432 0.979 19 <5 PZ-05 08/05/2011 1.26 <S 31.3 2930 2990 <0.05 <0.05 33 <1 <1 6.39 6.53 <0.01 0.316 <1 <1 58.6 351 358 270 <0.1 <0.2 <0.2 510 0.684 <5 <0.3 0.535 26 6 PZ-09 08/06/2015 <1 <1 8.3 580 627 <0.05 <0.05 <10 <1 <1 36.9 41.9 0.802 4.94 91.3 96.1 30.1 617 671 110 <0.1 0.65 0.574 240 1.1 39 <0.3 0.811 105 99 SURFICIAL LOWER ABMW-015 05/08/2015 <1 <1 1.51 <5 <5 <0.05 <0.05 <10 1230 1240 4.26 4.5 <0.01 5.53 3.86 3.4 22.1 644 655 130 <0.1 <0.2 <0.2 360 1.8 <5 63.1 73.3 <5 <5 ABMW-01S 08/31/2015 <1 <1 12.8 259 262 <0.05 <0.05 <10 1040 1060 4.08 4.43 <0.01 2.08 <1 <1 19.5 585 589 140 <0.1 <0.2 <0.2 370 2.1 <5 1.87 2.54 <5 <5 ABMW-02SL 05/20/2015 <1 <10 4.25 493 519 <0.05 <0.05 <10 <1 <10 6.83 <10 0.271 1.09 <1 <10 9.47 28 30 14 <0.1 <0.2 <2 100 0.898 <5 <0.3 <3 53 638 ABMW-02SL 08/31/2015 <1 <1 4.5 690 710 <0.05 <0.05 24 <1 <1 2.99 6.1 0.019 0.954 <1 <1 11.6 43 45 5.3 0.272 1.03 <0.2 120 0.803 <5 <0.3 <0.3 20 14 ABMW-03S 05/27/2015 <1 <1 0.072 <5 <5 <0.05 <0.05 160 51 56 4.51 5.72 0.016 43.5 1.39 1.73 67.8 2120 2050 58 <0.1 <0.2 0.22 780 6.2 8 2.34 2.53 <5 <5 ABMW-03S 08/31/2015 1.38 <1 0.01 <5 <5 <0.05 <0.05 370 101 99 16.8 16 0.058 60 2.84 2.93 67.7 2660 2780 17 <0.2 <0.2 <0.2 700 10 <5 7.37 6.41 11 <5 ABMW-04S 05/14/2015 <1 <1 11.5 1070 1110 <0.05 <0.05 50 1.09 1.27 <1 <1 0.025 0.525 1.47 <1 13.5 143 153 5 <0.1 <0.2 <0.2 230 1.7 <5 <0.3 0.328 <5 <5 ABMW-04S 08/31/2015 <1 I <1 14.9 1 1910 2030 <0.05 <0.05 1400 2.75 3.31 <1 <1 0.024 0.591 <1 <1 15.7 191 204 0.4 0.159 0.263 <0.2 290 6.5 17 <0.3 0.422 11 <5 ABMW-04S DUP 08/31/2015 <1 <1 14 1830 1910 <0.05 <0.05 2600 2.69 2.87 <1 <1 0.025 0.538 <1 <1 14.2 181 191 0.39 <0.2 <0.2 <0.2 270 6.1 22 <0.3 0.336 <5 <5 ABMW-05S 06/02/2015 <1 <1 81.1 31100 32400 <0.05 <0.05 19 1.42 1.69 145 147 0.021 4.35 <1 <1 43.4 1570 1700 1400 <0.5 0.365 0.306 1600 1.5 25 <03 <0.3 256 249 ABMW-05S DUP 06/02/2015 <1 <1 79.3 32000 33700 <0.05 <0.05 18 1.73 1.84 154 149 0.021 4.42 <1 <1 44 1630 1700 1300 <0.2 0.369 0.317 1700 1.5 22 0.339 <0.3 264 250 ABMW-05S 09/01/2015 <1 <1 86.3 32300 35700 <0.05 <0.05 17 <1 <1 139 155 <0.01 4.99 <1 <1 43.3 1580 1590 1300 <0.5 <0.2 <0.2 1800 1.2 10 <03 0.848 93 100 CMW-05 03/04/2015 NA 1.2 NA NA 34 NA <0.05 NA NA NA NA <5 NA NA NA <1 NA NA NA 43 NA NA <0.2 240 NA NA NA NA NA 7 CMW-05 06/09/2015 NA <1 0.991 NA <5 NA <0.05 NA NA <1 NA <5 <0.023 <0.1 NA <1 34.7 NA NA 47 NA NA <0.2 200 NA 35 NA NA NA 5 CMW-07 03/04/2015 NA <1 NA NA 770 NA <0.05 NA NA NA NA <5 NA NA NA <1 NA NA NA 30 NA NA <0.2 67 NA NA NA NA NA 6 CMW-07 O6/09/2015 NA <1 6.39 NA 2210 NA <0.05 NA NA <1 NA <5 <0.023 0503 NA <1 32.4 NA NA 72 NA NA <0.2 1110 NA 10 NA NA NA 10 MW-10 07/0l/2015 <1 <1 50.9 11700 12500 <0.05 <0.05 17 <1 <1 3.49 3.55 <0.01 2.72 <I <1 34.6 1400 1460 610 <0.2 <0.2 <0.2 1100 1 <5 <0.3 0.366 <5 <5 MW-10 09/02/2015 <1 11 61.1 12800 13100 <0.05 <0.05 15 <1 11 3.77 3.47 0.036 2.8 <3 <1 34.9 1460 1480 1200 <0.1 10.2 <0.2 1100 0.967 <5 <0.3 0.342 11 8 P:\Duke Energy Progress. 1026\103. Cape Fear Ash Basin GW Assessment\16.Corrective Acton Plan\Tables\Table 1-1 APW and GW Analytical Results.xlsx Page 3 of TABLE 1-1 ASH PORE WATER AND GROUNDWATER ANALYTICAL RESULTS CAPE FEAR STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC, MONCURE, NC Analytical Parameter Lead Lead Magnesium Manganese Manganese Mercury Mercury Methane Molybdenum Molybdenum Nickel Nickel Nitrate it N) Potassium Selenium Selenium Sodium Strontium Strontium Sulfate Sulfide Thallium Total Dissolved Solids Total Organic Carbon Total Suspended Solids Vanadium Vanadium Zinc Zinc DIS TOT TOT DIS TOT DIS TOT DIS TOT DIS TOT TOT DIS TOT TOT DIS TOT L TOT DIS TOT DIS TOT Reporting Units ug/1 ug/I 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 ug/I ug/I mg/I mg/I ug/l mg/I mg/I mg/l ug/l ug/I ug/I ug/I 15A NCAC 02L Standard NE 15 NE NE 50 NE 1 NE NE NE NE 100 10 NE NE 20 NE NE NE 250 NE0.2- 500 NE NE NE 0.3* NE 1000 Sample ID Sample Collection Date Analytical Results MW-15SL 05/29/2015 <1 <1 3.62 4600 4560 <0.05 <0.05 11 <1 <1 1.53 1.69 0.018 1.57 <1 <1 15.6 132 133 80 <0.1 <0.2 <0.2 210 1.3 27 <0.3 <0.3 5 <5 MW-SSSL 06/30/2015 <1 <1 2.88 3800 3860 <0.05 <0.05 <10 <1 <1 <1 <1 0.026 1.42 <1 <1 15.5 113 114 52 <0.1 <0.2 <0.2 190 1.2 30 <0.3 0.383 <5 <5 MW-15SL 09/01/2015 <1 <1 2.66 3610 3630 <0.05 <0.05 16 <1 <1 <1 <1 0.018 1.41 <1 <1 15.7 109 109 47 <0.1 1.06 <0.2 160 0.865 50 <0.3 0.48 14 <5 MW-16S 05/20/2015 <1 <1 26 319 202 <0.05 <0.05 <10 <1 <1 5.14 3.14 0.018 0.992 <3 <1 83.1 428 624 44 <0.1 <0.2 <0.2 630 0.706 <5 0.954 1.1 5 <5 MW-16S DUP 05/20/2015 <3 <1 26 305 207 <0.05 <0.05 <10 <1 <1 4.59 2.95 0.015 0.943 <1 <1 82.2 445 627 44 <0.1 <0.2 <0.2 620 0.747 <5 0.827 1.05 <5 <5 MW-16S 09/01/2015 <1 <1 32.5 114 105 <0.05 <0.05 <10 <1 <1 3.03 2.16 <0.01 1.24 <1 <1 104 792 758 25 <0.1 <0.2 <0.2 830 0.918 <5 <0.3 0.674 8 <5 MW-17SL 03/19/2015 1 <1 <1 24.4 7060 7380 <0.05 <0.05 520 <1 <1 1.37 1.58 0.031 1.06 <1 <1 41.3 381 389 570 <1 <0.2 <0.2 900 2.9 49 <0.3 0.919 <5 <5 MW-17SL 09/01/2015 <1 <1 20.5 5690 5750 10.05 <0.05 1000 11 <1 <1 <1 0.015 0.707 <3 <1 39.3 437 437 290 0.185 <0.2 <0.2 580 1.3 7 <03 0.667 13 15 MW-20S 05/21/2015 <1 <1 19.6 1190 HE <0.05 <0.05 12 <1 <1 <1 <1 0.029 0.341 <1 <1 38.4 266 263 52 <0.2 <0.2 <0.2 3211 1.6 9 0.682 1.03 6 <5 MW-205 09/Ol/2015 <1 <1 19.5 1210 1250 <0.05 <0.05 12 <1 <1 <1 <1 0.061 0334 <1 <1 37.4 286 282 56 <0.1 <0.2 <0.2 340 1.6 6 0.495 0.648 6 9 MW-21SL OS/07/2015 <1 <1 91.3 2130 2430 <0.05 <0.05 <10 <1 <1 7.6 7.9 <0.01 0.806 <1 <1 60.9 fill 627 930 <0.5 <0.2 c0.2 1300 0.651 c5 <0.3 0.313 18 24 MW-21SL 09/01/2015 <1 <1 95.6 2160 2080 <0.05 <0.05 <10 <1 I <1 9.51 10.6 0.033 0.612 <3 11 58.6 641 617 810 NA 10.2 <0.2 1300 0.608 <5 <0.3 0.532 21 6 BEDROCK ABMW-01BR 05/08/2015 <1 <1 11.2 618 629 <0.05 <0.05 <10 70.3 68.8 L95 1.,67 <0.01 2.33 3.76 <1 41A 111 142 140 0.345 <0.2 <0.2 400 2.1 7 <0.3 0.867 <5 <5 ABMW-01BR 08/31/2015 <1 <1 12.2 690 802 <0.05 <0.05 11 28.9 30.4 1.94 2.14 <0.01 17.6 <3 <1 52.9 737 779 140 <0.2 <0.2 <0.2 440 1.5 18 <0.3 0.703 <5 <5 ABMW-03BR 05/19/2015 <1 <1 16.9 1690 1690 <0.05 <0.05 <10 1.75 1.48 <1 <1 0.018 2.01 <1 <1 62.3 575 573 140 <0.1 <0.2 <0.2 540 0.883 9 <03 <0.3 <5 <5 ABMW-03BR 09/01/2015 <1 <1 16.5 1560 1540 <0.05 <0.05 <10 <1 <1 <1 <1 <0.01 1.72 <1 <1 65.3 618 614 130 <0.2 0.301 0.229 540 0.782 11 <0.3 <0.3 12 5 ABMW-OSBR 05/19/2015 <1 <1 5.49 63 63 <0.05 <0.05 <10 7.35 7.25 <1 <S <0.01 1.8 <S <S 38.4 353 358 15 <0.1 <0.2 0.359 200 0.471 <5 <0.3 <0.3 <5 <5 ABMW-05BR 09/01/2015 <1 <1 4.99 63 67 <0.05 <0.05 <10 9.54 10.2 <1 <1 0.061 1.66 <1 <1 44.6 307 321 9.6 0.176 <0.2 <0.2 200 0.669 20 <0.3 0.333 <5 <5 BGTMW-04 03/04/2015 NA <1 NA NA 172 NA <0.05 NA NA NA NA <5 NA NA NA <1 NA NA NA 5.7 NA NA <0.2 180 NA NA NA NA NA <5 BGTMW-04 06/08/2015 NA <1 8.14 NA 59 NA <0.05 NA NA 4.22 NA <5 0.05 2.28 NA <1 22.1 NA NA 8.1 NA NA <0.2 180 NA <5 NA NA NA <5 CTMW-OS 03/04/2015 NA <1 NA NA 1430 NA <0.05 NA NA NA NA <5 NA NA NA <1 NA NA NA 100 NA NA <0.2 460 NA NA NA NA NA <5 CTMW-01 06/09/2015 NA <1 13.8 NA 546 NA <0.05 NA NA <1 NA <5 0.07 1.59 NA <1 23.8 NA NA 100 NA NA <0.2 460 NA <5 NA NA NA <5 CTMW-02 03/04/2015 NA <1 NA NA 6 NA <0.05 NA NA NA NA <5 NA NA NA <1 NA NA NA 8 NA NA <0.2 180 NA NA NA NA NA <5 CiMW-02 06/09/2015 NA <1 3.05 NA 10 NA <0.05 NA NA 12.6 NA <5 0.16 1.43 NA <1 45.1 NA NA 6.6 NA NA <0.2 170 NA <5 NA NA NA <5 CTMW-07 03/04/2015 NA <1 NA NA 138 NA <0.05 NA NA NA NA <5 NA NA NA <1 NA NA NA 85 NA NA <0.2 350 NA NA NA NA NA 15 CTMW-07 06/08/2015 NA <1 24.7 NA 110 NA <0.05 NA NA <1 NA <5 <0.023 1.39 NA <1 21.2 NA NA 85 NA NA c0.2 380 NA <5 NA NA NA <5 CTMW-08 03/04/2015 NA <1 NA NA 980 NA <0.05 NA NA NA NA <5 NA NA NA <1 NA NA NA 110 NA NA <0.2 480 NA NA NA NA NA <5 CTMW-OB DUP 03/04/2015 NA <1 NA NA 1050 NA <0.05 NA NA NA NA <5 NA NA NA <1 NA NA NA 110 NA NA <0.2 490 NA NA NA NA NA <5 CTMW-08 06/09/2015 NA <1 15.4 NA 686 NA <0.05 NA NA 7.11 NA 15 0.06 234 NA <1 66.5 NA NA 100 NA NA <0.2 450 NA <5 NA NA NA <5 CTMW-08 DUP 06/09/2015 NA <1 15.6 NA 750 NA <0.05 NA NA 6.54 NA <5 0.05 2.39 NA <1 65.6 NA NA 110 NA NA <0.2 460 NA <5 NA NA NA <5 MW-OSBR 06/18/2015 <1 <1 0.91 <5 <5 <0.05 <0.05 <10 6.22 6.56 <1 <3 0.019 2.17 <3 <1 27.7 136 135 71 <0.1 <0.2 <0.2 220 0.769 <5 14.1 14.4 10 <5 MW-05BR 09/02/2015 <3 <1 0.172 <5 <5 <0.05 <0.05 <10 14.3 14.5 <1 <1 <0.01 3.05 <I <1 52.5 190 192 110 <0.1 <0.2 <0.2 310 1.2 <5 18.7 19.9 <5 <5 MW-068R 06/03/2015 <1 <1 32.5 417 475 <0.05 <0.05 18 4.73 4.57 <1 <1 0.011 4.15 <I <1 94.1 892 907 39 <0.1 0.362 <0.2 790 0.653 <5 1.88 2.19 <5 <5 MW-06BR 06/30/2015 <1 <1 29.2 748 743 <0.05 <0.05 11 3.47 3.17 <1 <1 0.018 3.89 <I <1 89.6 951 946 42 <0.1 <0.2 <0.2 770 0.683 <5 0.53 0.659 13 <5 MW-06BR 09/01/2015 <1 <1 27.6 633 639 <0.05 <0.05 15 2.74 2.62 <1 <1 0.156 3.57 <I <1 88.2 897 894 47 <0.1 <0.2 0.586 720 1.8 <5 0.562 0.784 <5 46 MW-09 06/30/2015 <1 <1 30.3 1 792 826 1 <0.05 <0.05 25 <1 I <3 2.21 1.8 <0.01 0.962 <1 <1 61.4 506 538 41 <0.1 <0.2 <0.2 660 1.3 <5 <0.3 <0.3 10 10 MW-09 09/01/2015 <1 <1 28 790 814 <0.05 <0.05 35 <1 <1 1.11 1.4 <0.01 1.23 <1 <1 45.8 482 490 21 <0.1 <0.2 <0.2 560 0.915 <5 <03 0.41 8 6 MW-09BR 05/30/2015 <1 <1 24.1 805 829 <0.05 <0.05 <10 <1 <1 <1 <1 <0.01 2.1 <1 <1 37.2 680 677 7.9 <0.1 <0.2 <0.2 410 0.517 5 <0.3 <0.3 1 17 <5 MW-09BR 09/01/2015 <1 <1 24.4 901 905 <0.05 <0.05 <10 <1 <1 <1 <1 <0.01 2.16 <1 <1 36.3 646 642 4.9 0.146 <0.2 <0.2 410 0.507 <5 <03 <0.3 <5 <5 MW-10BR 05/27/2015 <1 <1 13 375 336 <0.05 <0.05 13 6.04 6.57 <1 <1 0.013 2.46 <1 <1 50.5 949 941 210 <0.1 <0.2 <0.2 490 0.976 9 2.91 3.34 15 <5 MW-10BR 09/02/2015 <1 <1 4.23 41 32 <0.05 <0.05 <10 13.9 16.9 <1 <1 <0.01 3.29 <1 <1 103 M4 930 982 340 0.282 <0.2 0.701 690 1.3 5 1.07 2.31 5 15 MW-10D 05/28/2015 <1 <1 48.5 950 974 <0.05 <0.05 17 <1 <1 <1 <1 <0.01 3.7 <1 <1 22.6 1 1330 1300 410 <0.1 <0.2 0.233 890 0.508 8 0.547 0.938 <5 17 MW-10D 09/02/2015 <1 <1 90.3 1 1060 1050 <0.05 <0.05 13 <1 I <1 1.6 2.16 <0.01 4.82 <1 <1 32.8 1690 1950 1600 <0.1 <0.2 0.27 1400 0.853 <5 0.431 0.626 26 <5 MW-10D DUP 09/02/2015 <1 <1 1 56.1 1050 1080 1 <0.05 <0.05 20 <1 <1 1.38 1 1.34 <0.01 4.29 <I I <3 27.6 1640 1 1660 1200 1 <0.1 <0.2 <0.2 1200 0.687 <5 0.402 0.603 27 <5 MW-12BR 03/19/2015 <1 <1 18.4 476 482 <0.05 <0.05 <10 <1 1.02 <1 I <1 10.01 1.92 <1 <1 39.6 448 453 12 <1 <0.2 <0.2 280 0.777 <5 <0.3 0.338 <5 <5 MW-12BR 09/01/2015 <1 <1 22.5 606 613 <0.05 <0.05 <10 1.05 <1 <1 <1 0.044 1.9 <3 <3 42.4 490 488 23 <0.1 <0.2 <0.2 330 1 0.98 1 9 <0.3 0.355 10 <5 MW-14 06/30/2015 <1 <1 1.48 <5 24 <0.05 <0.05 53 70.9 72 <1 <3 <0.01 2.92 <1 <1 81.9 260 278 30 0.282 <0.2 <0.2 260 0.795 16 <0.3 1.37 9 <5 MW-15BR 06/01/2015 <5 <1 8.49 72 72 <0.05 <0.05 14 16.9 17 <5 <1 NA 1.48 <5 2.02 36.7 498 501 NA <0.1 <1 c0.2 NA NA NA 1.81 1.73 <5 <5 MW-15BR 06/30/2015 <1 <1 8.24 65 69 <0.05 <0.05 <10 11.8 11.5 <1 <1 2.7 1.69 1.95 1.98 42.9 469 493 37 <0.1 <0.2 <0.2 260 0.371 <5 2 1.82 <5 <5 MW-15BR 09/01/2015 1.15 <1 7.11 1 63 62 <0.05 <0.05 1 21 9.73 1 9.22 <1 <1 1.8 1.76 2.66 1.92 52.1 461 435 54 <0.1 <0.2 <0.2 270 0.425 <5 1.74 1.98 16 <5 MW-16BR 05/20/2015 <S <1 1 13.9 332 326 <0.05 <0.05 11 2.89 2.97 <1 <1 I <0.01 2.49 <3 I <1 57.3 1 494 505 1 41 <0.1 1 <0.2 <0.2 340 0.892 <5 1 <0.3 <0.3 <5 <5 MW-16BR 09/01/2015 <1 <1 16.6 230 248 <0.05 <0.05 <10 12.2 11.3 7.98 2.97 <0.01 2.88 <1 <1 70.7 688 713 93 0.122 <0.2 <0.2 410 1.3 <5 <0.3 <0.3 <5 <5 MW-17BR 03/19/2015 <S <S 10.1 34 34 <0.05 <0.05 300 4.76 4.88 <S <S <0.01 2.05 <1 <S 54.9 596 595 38 <S <0.2 <0.2 290 3.8 <5 0.5 0.761 <5 <5 MW-17BR 09/01/2015 <1 <1 10.7 62 59 <0.05 <0.05 220 2.41 2.92 <1 <1 0.02 1.82 <1 <1 58.6 658 660 30 142 <0.2 <0.2 310 1 <5 <0.3 0.485 <5 <5 MW-20BR 05/27/2015 <1 <1 6.37 124 131 <0.05 <0.05 <10 2.3 2.55 <1 <1 <0.01 1.92 <1 <1 40 316 317 12 <0.1 <0.2 <0.2 210 0.548 11 0.826 1.61 <5 6 MW-20BR 09/01/2015 <1 <1 6.68 118 127 <0.05 <0.05 <10 3.96 4.06 <1 <1 0.016 1.84 <1 <1 43.6 310 314 14 0.334 <0.2 <0.2 220 0.721 <5 <0.3 0.468 <5 <5 MW-21BR 05/07/2015 <1 <1 0.688 <5 <5 <0.05 <0.05 <10 269 232 <3 <3 <0.01 1.21 <3 <1 70.1 109 109 5.9 <0.1 <0.2 <0.2 180 0.318 <5 0.515 0.997 <5 MW-21BR 09/01/2015 <1 <1 0.583 7 7 <0.05 <0.05 11 680 696 8.91 20.5 0.032 1.03 <1 <1 82 109 103 7.3 <0.1 <0.2 <0.2 210 0.285 <5 0.42 0.736 ;15 <5 PZ-03D 08/OS/2015 <1 <1 9.24 448 475 <0.05 <0.05 <10 5.42 5.58 <1 1.36 0.028 2.4 <S <1 73.2 662 646 74 <0.10.2 <0.2 390 0.685 5 <0.3 0 <5 Notes: O -Bold highlighted concentration indicates exceed ance of the 15A NCAC 02L Standard, Appendix 2, April 1, 2013. = 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. ORP = Oxidation Reduction Potential Temp = Temperature mg/I = milligram per liter DIS = Dissolved DO = Dissolved Oxygen my = millivolts TOT = Total Deg C = Degree Celsius mg-N/L = miligram nitrogen per liter ug/I = microgram per liter Spec Cord = Specific Conductance Eh = Redox potential umhos/cm = micro mhos per centimeter M4 - The spike recovery value was unusable since the analyte concentration in the sample was disproportionate to the spike level N3 - Sample inadvertently collected with sample running through the Flow cell and should be considered invalid based on possible contamination from the Flow cell NE = Not established NTU = nephelometric turbidity unit S.U. = Standard Unit NM = Not Measured Prepared by: M Checked by: CIS P:\Duke Energy Progress. 1026\103. Cape Fear Ash Basin GW Assessment\16.Corrective Acton Plan\Tables\Table 1-1 APW and GW Analytical Results.xlsx Page 4 of 11r13A45Q►a GROUNDWATER SPECIATION ANALYTICAL RESULTS CAPE FEAR STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC, MONCURE, NC Analytical Parameter Qualitative Redox State As(III) As(V) MMAs DMAs As (UK) Cr(VI) Fe(II) Fe(III) Mn(II) Mn(IV) Se(IV) Se(VI) SeCN McSe(IV) SeMe Se (UK) Reporting Units ug/I ug/I ug/I ug/I ug/l 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 ASH PORE WATER ABMW-01 06/15/2015 Anoxic 27.6 0.253 <0.035 <0.015 NA <0.005 38.7 <6.7 186 2.36 NA NA NA NA NA NA ABMW-03 06/16/2015 Mixed (oxic-anoxic) 62 235 <0.053 <0.083 NA 0.015 21 17.2 114 6.08 NA NA NA NA NA NA ABMW-04 06/16/2015 Anoxic 699 15.2 <0.053 <0.083 NA <0.005 2860 <5 378 <0.38 NA NA NA NA NA NA PZ-07 09/02/2015 NA 115 26.4 <0.31 <0.5 <0.51 <0.007 2170000 19400000 28400 88.8 <0.296 <0.38 <0.149 <0.296 <0.296 <0.38 PZ-08 09/02/2015 NA 127 149 <0.31 <0.5 <0.51 0.011j 5070 <250 1450 1 62.9 1 <0.296 <0.38 <0.149 <0.296 1 <0.296 <0.38 SURFICIAL UPPER ABMW-02SU 06/16/2015 Mixed (oxic-anoxic) 0.174 0.196 <0.053 <0.083 NA <0.005 11400 652 1570 83.2 NA NA NA NA NA NA CMW-01 06/17/2015 NM 0.604 0.077 <0.053 <0.083 <0.053 <0.005 52600 <500 1170 <0.19 NA NA NA NA NA NA CMW-02 06/17/2015 NM 0.076 <0.076 <0.061 <0.064 <0.061 NA 943 19.3 7090 260 NA NA NA NA NA NA CMW-06 06/18/2015 NM 0.147 <0.03 <0.039 0.111 <0.039 0.007 237 19.6 187 8.27 NA NA NA NA NA NA CMW-08 06/17/2015 NM 0.201 <0.028 <0.053 <0.083 <0.053 <0.005 34000 1000 12000 <0.19 NA NA NA NA NA NA MW-12 06/11/2015 Mixed (anoxic) <0.035 <0.015 <0.035 <0.006 163 34.3 879 103 <0.27 <0.11 <0.26 <0.21 <0.21 <0.21 MW-17SU 06/10/2015 Mixed(anoxic) <0.028 <0.035 <0.015 <0.035 0.058 24900 2300 39400 <2.3 <0.069 <0.085 <0.028 <0.061 <0.061 <0.061 MW-21SU 06/10/2015 Mixed (oxic-anoxic) L0.1<0.028 <0.028 <0.035 <0.015 <0.035 0.19 45.5 28.5 11900 530 <0.069 0.183 <0.028 <0.061 <0.061 <0.061 PZ-02 09/02/2015 NA <0.41 <0.31 <0.5 <0.51 0.03j 370 11 2680 27.6 <0.296 <0.38 <0.149 <0.296 <0.296 <0.38 SURFICIAL LOWER ABMW-01S 06/15/2015 Suboxic 17.2 11 <0.035 <0.015 NA 0.016 7.3 <6.7 28.8 <0.38 NA NA NA NA NA NA ABMW-02SL 06/16/2015 Anoxic 0.916 0.14 <0.053 <0.083 NA <0.005 5000 685 630 <0.38 NA NA NA NA NA NA ABMW-03S 06/16/2015 Oxic <0.049 0.224 0.1 0.094 NA 8.31 14 33.5 <0.26 <0.07 NA NA NA NA NA NA ABMW-04S 06/16/2015 Anoxic 1.69 0.42 <0.053 <0.083 NA 0.005 26900 2890 1790 31.3 NA NA NA NA NA NA ABMW-05S 06/16/2015 Anoxic 0.561 0.262 <0.053 <0.083 NA <0.005 111000 3220 33000 60.8 NA NA NA NA NA NA ABMW-05S 09/01/2015 NA NA NA NA NA NA NA NA NA NA I NA <0.296 <0.38 <0.149 <0.296 <0.296 <0.38 MW-10 06/17/2015 Anoxic 0.071 <0.028 <0.053 <0.083 <0.053 0.007 771 <5 13400 <0.19 NA NA NA NA NA NA MW-10 09/02/2015 NA NA NA NA NA NA NA NA NA NA NA <0.296 <0.38 <0.149 <0.296 <0.296 <0.38 MW-15SL 06/30/2015 Anoxic 14 3.75 NA NA NA NA 22600 16200 4170 205 NA NA NA NA NA NA MW-16S 06/11/2015 Anoxic <0.062 <0.028 <0.035 <0.015 <0.035 <0.006 28.3 18.7 133 8.85 <0.27 <0.11 <0.26 <0.21 <0.21 <0.21 MW-17SL 06/10/2015 Anoxic 0.138 <0.028 <0.035 <0.015 0.608 0.1 79100 3100 6640 290 <0.069 <0.085 <0.028 <0.061 <0.061 <0.061 MW-20S 06/11/2015 Anoxic 0.129 1 0.063 1 <0.035 <0.015 <0.035 1 0.018 1 4595 439 1 1340 1 48.9 <0.27 <0.11 <0.26 <0.21 <0.21 <0.21 MW-21SL 06/10/2015 Mixed (anoxic) 0.625 1 0.218 1 <0.035 <0.015 <0.035 1 0.052 1 775 170 1 1910 1 <0.12 <0.069 <0.085 <0.028 <0.061 <0.061 <0.061 BEDROCK ABMW-01BR 06/1S/2015 Anoxic <0.062 0.464 <0.035 <0.015 NA 10.5 4.8 <6.7 4.01 36.6 NA NA NA NA NA NA ABMW-03BR 06/16/2015 Anoxic 0.772 <0.028 <0.053 <0.083 NA <0.005 805 123 391 110 NA NA NA NA NA NA ABMW-05BR 06/11/2015 Anoxic 1.52 0.294 <0.035 <0.015 <0.035 0.012 14.1 <6.7 68.9 8.38 <0.27 <0.11 <0.26 <0.21 <0.21 <0.21 CTMW-01 06/16/2015 NM <0.049 0.244 <0.053 <0.083 NA <0.005 98 70.7 148 175 NA NA NA NA NA NA CTMW-02 06/17/2015 NM 0.285 6.38 <0.061 <0.064 <0.061 NA <5 <5 <0.026 1.74 NA NA NA NA NA NA CTMW-08 06/17/2015 NM 3.67 1 1.42 1 <0.053 <0.083 <0.053 <0.005 7620 1 <500 1270 <0.19 NA NA NA NA NA NA MW-OSBR 09/02/2015 NA 0.656 j 0.72 j <0.31 <0.5 <0.51 0.05 j <5 <5 0.73 j 0.18 j <0.296 <0.38 <0.149 <0.296 <0.296 <0.38 MW-06BR 06/30/2015 Mixed (anoxic) 0.582 1.57 NA NA NA NA 176 6.1 827 <0.12 NA NA NA NA NA NA MW-09 06/17/2015 Anoxic 0.102 O.OSS <0.053 <0.083 <0.053 0.014 376 26.3 556 <0.19 NA NA NA NA NA NA MW-09BR 06/17/2015 Mixed (anoxic) 0.07 <0.028 <0.053 <0.083 I <0.053 <0.005 431 <5 908 <0.19 NA NA NA NA NA NA MW-10BR 06/16/2015 Anoxic 1.36 0.228 <O.OS3 <0.083 NA 0.023 <5 <5 212 <0.07 NA NA NA NA NA NA MW-10BR 09/02/2015 NA NA NA NA NA NA NA NA NA NA NA <0.296 <0.38 <0.149 <0.296 <0.296 <0.38 MW-10D 06/16/2015 Mixed (oxic-anoxic) 0.318 0.603 <0.053 <0.083 NA 0.006 43 9 1100 <0.38 NA NA NA NA NA NA MW-10D 09/02/2015 NA NA NA NA NA NA NA NA NA NA NA <0.296 <0.38 <0.149 <0.296 <0.296 <0.38 MW-12BR 06/11/2015 Anoxic 0.893 0.135 <0.035 <0.015 I <0.035 0.045 <3.6 8.9 679 <0.45 <0.27 <0.11 <0.26 <0.21 <0.21 <0.21 MW-15BR 06/30/2015 Mixed (oxic-anoxic) 11.2 61.1 NA NA NA NA <5 9.3 72 3 NA NA NA NA NA NA MW-16BR 06/11/2015 Mixed (anoxic) 1.19 0.134 <0.035 <0.015 <0.035 0.019 115 <6.7 303 <0.45 <0.27 I <0.11 <0.26 <0.21 <0.21 I <0.21 MW-17BR 06/10/2015 Suboxic <0.062 <0.028 <0.035 <0.015 <0.035 0.393 15.9 <3.9 30.2 4.6 <0.069 <0.085 <0.028 <0.061 <0.061 <0.061 MW-20BR 06/11/2015 Anoxic 0.758 0.233 <0.035 <0.015 <0.035 0.022 25.9 <6.7 132 13.3 <0.27 <0.11 <0.26 <0.21 <0.21 <0.21 MW-21BR 06/10/2015 Oxic 0.093 2.34 <0.035 <0.015 <0.035 0.11 <3.4 1 4.5 1 <0.91 4.07 0.414 <0.085 <0.028 <0.061 <0.061 <0.061 Prepared by: BER Checked by: CJS Notes: ug/I = microgram per liter NA = Not Analyzed NM = Not Measured MMAs = monomethylarsonic acid DMAs = dimethylarsinic acid P:\Duke Energy Progress.1026\103. Cape Fear Ash Basin GW Assessment\16.Corrective Acton Plan\Tables\Table 1-2 Groundwater Speciation Analytical Results.xlsx Page 1 of 1 TABLE 1-3 SEEP AND SURFACE WATER ANALYTICAL RESULTS CAPE FEAR STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC, MONCURE, NC Analytical Parameter pH Temp Spec Cond DO ORP Eh Turbidity 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 COD Copper Copper Fluoride Hardness Iron Iron DIS TOT DIS TOT DIS TOT DIS TOT DIS TOT DIS TOT DIS TOT TOT DIS TOT DIS TOT DIS TOT DIS TOT Reporting Units S.U. Deg C u chtos mg/l mV mV NTUs mg/I ug/I ug/I ug/I ug/I ug/I ug/l ug/I ug/I ug/I ug/l mg/1 ug/I ug/I ug/I ug/I mg/I mg/1 mg/I ug/I ug/I ug/I ug/I mg/I ug/I ug/I mg/I mg/I ug/1 ug/1 15A NCAC 02B / EPA Water Supply April 2015 NE NE NE NE NE NE NE NE NE 6500 NE 5.6 NE 10 NE 1000 NE NE NE NE NE NE NE NE NE 250 NE NE NE 3 NE NE 1300 NE NE NE NE 15A NCAC 02B / EPA Human Health April 2015 5-9 NE NE NE NE NE 50 NE NE S000 NE 640 NE 10 NE 200000 NE NE NE NE NE NE NE NE NE NE NE NE NE 4 NE NE NE NE NE NE NE 15A NCAC 02B / EPA Ecological April 2015 6.5-9 NE NE 5 NE NE 50 NE NE 87 NE NE ISO NE NE NE 6.5 NE NE NE NE 0.15 NE NE NE 230 11 NE NE NE NE 2.7 2.7 NE NE NE NE 15A NCAC 02L Standard 6.5-8.5 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 NE 1000 2 NE NE 300 Sample ID Sample Collection Date Field Parameters Analytical Results NCDEQ SEEP SAMPLES OUTFALL 001 03/11/2014 NM NM NM NM NM NM NM NA NA 42 NA <1 NA 3.26 NA 65 NA NA NA NA 162 NA <1 NA NA 34 NA <1 NA NA NA NA <5 <1 55.5 NA 185 Outfall 005 03/11/2014 NM NM NM NM NM NM NM NA NA 291 NA 14.5 NA 25.9 NA 191 NA NA NA NA 1100 NA <1 NA NA 18 NA <1 NA NA NA NA <5 <1 102 NA 199 Outfall 007 03/11/2014 NM NM NM NM NM NM NM NA NA 2550 NA <1 NA 2.63 NA 55 NA NA NA NA 453 NA <1 NA NA IS NA 1.64 NA NA NA NA <5 <1 59.2 NA 2580 Outfall 008 03/11/2014 NM NM NM NM NM NM NM NA NA 3440 NA <1 NA <1 NA 19 NA NA NA NA 3410 NA <1 NA NA 20 NA <1 NA NA NA NA <5 <1 247 NA 4920 Outfall 008 to Shaddux Creek 03/11/2014 NM NM NM NM NM NM NM NA NA 1530 NA <1 NA 1.08 NA 69 NA NA NA NA 166 NA <1 NA NA 11 NA 2.23 NA NA NA NA <5 <1 145 NA 2860 1978 South Standing Water 03/11/2014 NM NM NM NM NM NM NM NA NA 1600 NA <1 NA <1 NA 28 NA NA NA NA <50 NA <1 NA NA 9.7 NA <5 NA NA NA NA <5 <1 19.6 NA 2680 Standing Water West of RR 03/11/2014 NM NM NM NM NM NM NM NA NA 436 NA <1 NA 1.07 NA 34 NA NA NA NA 2960 NA <1 NA NA 19 NA <5 NA NA NA NA <5 <1 192 NA 2330 85 East of RR 03/11/2014 NM NM NM NM NM NM NM NA NA 770 NA <1 NA <1 NA 30 NA NA NA NA 640 NA <1 NA NA 21 NA <5 NA NA NA NA <5 <1 120 NA 1990 SEEP 1956 Pond SW-1 03/18/2014 NM NM NM NM NM NM NM NA NA 1350 NA 11 NA 4.44 NA 531 NA NA NA NA 53 NA <1 NA NA 17 NA 6 NA NA NA NA 13 11 290 NA 1540 SEEP 1963 Ash Pond 03/18/2014 NM NM NM NM NM NM NM NA NA 77 NA <1 NA 39.4 NA 78 NA NA NA NA 1380 NA <1 NA NA 35 NA <5 NA NA NA NA <5 <1 340 NA 2050 SEEP South End of 70 AP 03/18/2014 NM NM NM NM NM NM NM NA NA 1350 NA <1 NA <1 NA 52 NA NA NA NA 412 NA <1 NA NA 14 NA <5 NA NA NA NA <5 <1 55.5 NA 3430 SEEP 78 Ash Pond Down Gradient 03/18/2014 NM NM NM NM NM NM NM NA NA 3520 NA <1 NA <1 NA 30 NA NA NA NA 130 NA <1 NA NA 22 NA <5 NA NA NA NA 7 <1 103 NA 418 SEEP Corner of 78 & Cooling Tower 03/18/2014 NM NM NM NM NM NM NM NA NA 153 NA <1 NA <1 NA 21 NA NA NA NA 221 NA <1 NA NA 33 NA <5 NA NA NA NA <5 <1 146 NA 17900 SEEP AND SURFACE WATER 1985 Ash Basin Pond 08/06/2015 5.2 30 363 4.06 185 390 1.86 NA NA 163 NA 7.01 NA 40.9 NA 250 NA NA NA NA 1200 NA <1 NA NA 16 NA <1 NA NA NA NA <1 0.68 NA NA 20 CF-78 Ash Pond 07/01/2014 NM 32 384 NM NM NM 1.5 NA NA 52 NA <1 NA 5.85 NA 76 NA NA NA NA 196 NA <1 16.4 B2 NA 33 NA <1 NA NA <20 NA 1.29 <1 66.4 NA 22 CF-85 Ash Pond 06/30/2014 7.7 30 376 NM NM NM 1.28 NA NA 165 NA 14.1 NA 34.4 NA 179 NA NA NA NA 1240 NA <1 34.9 B2 NA 17 NA <1 NA NA <20 NA <3 <1 108 NA 21 CF-85 AshPond Cup. 06/30/2014 7.7 30 376 NM NM NM 1.28 NA NA 160 NA 13.9 NA 33.5 NA 181 NA NA NA NA 1240 NA <1 37.2 B2 NA 17 NA <1 NA NA <20 NA <1 <1 114 NA 17 CF-Downl 07/01/2014 7.2 29 195 NM NM NM 7.48 NA NA 141 NA <1 NA <1 NA 25 NA NA NA NA <50 NA <1 9.08 B2 NA 19 NA <1 NA NA <20 NA 1.2 <1 37.4 NA 297 CF-Down2 07/01/2014 8.2 29 191 NM NM NM 6.5 NA NA 92 NA 1.08 NA <1 NA 22 NA NA NA NA <50 NA <1 9.22 B2 NA 19 NA <1 NA NA <20 NA 1.26 <3 37.9 NA 210 CF-HAW 07/01/2014 7.1 27 233 NM NM NM 9.09 NA NA 115 NA <1 NA <1 NA 30 NA NA NA NA <50 NA <1 9.23 B2 NA 18 NA <1 NA NA <20 NA 1.01 <1 37.3 NA 694 CF-SHCK-Up 07/01/2014 7.4 33 447 NM NM NM 9.49 NA NA 190 NA <1 NA 1.28 NA 113 NA NA NA NA 76 NA <1 22.6 B2 NA 43 NA <1 NA NA 81 NA 2.01 <1 82.6 NA 2230 S-04 07/01/2014 6.7 28 717 NM NM NM 24.6 NA NA 82 NA <1 NA 2.39 NA 72 NA NA NA NA 5370 NA <1 57.7 B2 NA 20 NA <3 NA NA <20 NA <3 <S 295 NA 9220 S-04 06/11/2015 7.0 21 768 0.2 -279 -74 >1000 180 70 134000 <1 <10 5.08 408 79 3620 <1 83.1 180 5050 6730 <1 29.4 148 <10 22 <1 69.4 <1 763 NA 1.17 467 NA NA 30300 3100000 S-05 06/30/2014 5.7 24 615 NM NM NM 0.23 NA NA 50 NA <1 NA <1 NA 23 NA NA NA NA 309 NA <1 41.8 B2 NA 29 NA <1 NA NA <20 NA <1 <1 137 NA 15300 S-05 08/05/2015 4.7 27 634 0.22 191 396 4.48 NA NA 113 NA <1 NA <1 NA 35 NA NA NA NA 416 NA <1 NA NA 32 NA <1 NA NA NA NA <1 <0.5 NA NA 2480 S-07 06/30/2014 6.4 24 908 NM NM NM 29.1 NA NA 75 NA <1 NA 4.77 NA 68 NA NA NA NA 5860 NA <1 7182 NA 18 NA <1 NA NA <20 NA <1 <1 351 NA 23700 S-07 08/05/2015 5.8 25 727 0.26 -100 105 35.2 NA NA 322 NA <1 NA 2.43 NA 74 NA NA NA NA 6230 NA <1 NA NA 22 NA <1 NA NA NA NA <1 <0.5 NA NA 5650 S-08 06/30/2014 T7 28 626 NM NM NM 10.9 NA NA 324 NA <1 NA <1 NA 31 NA NA NA NA 5690 NA <1 55.9 B2 NA 19 NA <1 NA NA <20 NA 1.04 <1 259 NA 449 S-08 08/05/2015 6.1 29 570 0.35 43 248 6.61 NA NA 151 NA <1 NA <1 NA 12 NA NA NA NA SS50 NA <1 NA NA 20 NA <1 NA NA NA NA 1.18 0.53 NA NA 142 S-09 06/30/2014 6.8 26 632 NM NM NM 30.1 NA NA 28 NA <1 NA <1 NA 71 NA NA NA NA 4670 NA <1 55.8 62 NA 21 NA <1 NA NA 36 NA <1 11 260 NA 116 S-09 05/19/2015 8.2 30 572 8.6 12 217 7.4 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 S-09 05/20/2015 6.8 24 508 2.9 -286 -81 18.7 110 10 132 <1 <1 <1 <1 51 56 <1 <1 110 3710 3790 <1 <1 36.9 <10 21 <1 <1 <1 1.4 NA <1 <1 NA NA 297 596 S-10 06/11/2015 7.0 23 431 0.7 -202 3 148 130 178 2740 <1 <1 1.36 2.64 57 119 <1 <1 130 1540 1530 <1 <1 18.7 <10 32 <1 1.91 1.14 3.2 NA <1 2.65 NA NA 1950 15600 S-15 07/01/2014 7.0 19 907 NM NM NM 3.66 NA NA 141 NA <1 NA 38.7 NA 78 NA NA NA NA 1350 NA <1 89.1 B2 NA 33 NA <1 NA NA <20 NA <1 <1 333 NA 1410 S-15 CUP 07/01/2014 7.0 19 907 NM NM NM 3.66 NA NA 59 NA <1 NA 33.1 NA 67 NA NA NA NA 1310 NA <1 89.1 B2 NA 33 NA <1 NA NA <20 NA <1 <1 334 NA 831 S-15 08/05/2015 6.5 21 881 0.11 -84 121 3.09 NA NA 21 NA <1 NA 36.5 NA 68 NA NA NA NA 1330 NA <1 NA NA 36 NA <1 NA NA NA NA <1 0.58 NA NA 842 S-16 10/01/2014 3.3 25 2730 NM NM NM NM NA NA 4020 NA <1 NA 45.6 NA 23 NA NA NA NA 618 NA <1 341 NA 15 NA <1 NA NA 27 NA <1 2.1 1170 NA 238000 S-16 06/11/2015 2.9 24 2700 0.39 270 475 33.6 '10 7050 3760 <1 <1 19.9 Ila 19 21 31.4 14.4 <10 724 553 <1 <1 314 <10 10 <1 <1 361 272 NA 1.04 1.06 NA NA 249000 257000 S-17 10/22/2014 4.2 15 1742 NM NM NM 0.75 NA NA 253 NA <1 NA <1 NA 18 NA NA NA NA 588 NA <1 288 NA 17 NA <1 NA NA <20 NA <1 <1 1030 NA 163000 SW-01 (Geosyntec) 08/19/2013 7.2 25 242 5.56 113 NM 8.23 38.9 NA 95.8 j NA 0.8 j NA 0.53 j NA 23.4 NA NA NA NA 36 j NA <0.23 8.45 NA 12.2 NA 1.8 j NA NA NA NA <2.7 NA NA NA 273 SW-01(Geosyntec) 09/09/2013 7.4 28 149 4.74 133 NM 13.8 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 SW-02 (Geosyntec) 08/19/2013 6.4 25 104 5.93 187 NM 9.95 36.5 NA 156 j NA 0.51 j NA 0.62 j NA 23.7 NA NA NA NA 35.7 j NA <0.23 8.3 NA 12.8 NA <1.6 NA NA NA NA <2.7 NA NA NA 361 SW-02 (Geosyntec) 09/09/2013 7.2 31 131 4.52 88 NM 18.6 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 SW-03 (Geosyntec) 08/19/2013 7.2 25 242 5.56 113 NM 8.23 37.4 NA 155 j NA 0.36 j NA 0.6 j NA 24.3 NA NA NA NA 36.3 j NA <0.23 8.47 NA 11.9 NA 1.6 j NA NA NA NA <2.7 NA NA NA 479 SW-03 (Geosyntec) 09/09/2013 7.1 29 121 5.2 85 NM 12.2 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 SW-04 (Geosyntec) 08/19/2013 6.6 25 150 5.91 180 NM 8.56 38.3 NA 268 NA 0.48 j NA 0.89 j NA 25.5 NA NA NA NA 35.3 j NA <0.23 8.58 NA 11.4 NA 1.8 j NA NA NA NA <2.7 NA NA NA 586 SW-04 (Geosyntec) 09/09/2013 7.3 30 123 5.33 67 NM 6.3 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 SW-05(Geosyntec) 08/19/2013 6.4 25 68 5.05 178 NM 11.16 36.5 NA 228 NA 0.41j NA 1.2j NA 24.6 NA NA NA NA 32.2j NA <0.23 8.34 NA 12.5 NA 1.8j NA NA NA NA 3.3j NA NA NA 784 SW-05(Geosyntec) 09/10/2013 7.6 33 162 5.68 92 NM 6.96 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 SW-06 (Geosyntec) 08/19/2013 7.2 27 363 5.7 172 NM 0.3 11 NA <82.8 NA 0.42 j NA 6 NA 56.9 NA NA NA NA 172 NA <0.23 13.1 NA 39.3 NA <1.6 NA NA NA NA <2.7 NA NA NA <43 SW-06 (Geosyntec) 09/10/2013 7.5 34 283 5.74 92 NM 4 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 SW-07 (Geosyntec) 08/19/2013 6.8 24 410 4.17 177 NM 2.91 73.4 NA <82.8 NA 0.66 j NA 4.4 NA 92.8 NA NA NA NA 373 NA <0.23 60.9 NA 2.1 NA 2.1 j NA NA NA NA <2.7 NA NA NA 179 j SW-07(Geosyntec) 09/09/2013 7.6 30 333 8.13 84 NM 4.39 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 SW-08 (Geosyntec) 08/19/2013 7.8 27 352 5.4 163 NM 0.55 36 NA 121 j NA 11.6 NA 46.3 NA 213 NA NA NA NA 1020 NA <0.23 31 NA 19.3 NA 2.2 j NA NA NA NA <2.7 NA NA NA <43 SW-08 (Geosyntec) 09/06/2013 8.2 30 267 5.67 88 NM 1.03 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 SW-09(Geosyntec) 08/19/2013 6.3 25 156 4.77 201 NM 8.84 38.1 NA 214 NA 0.59j NA 0.87j NA 23.9 NA NA NA NA 34.7j NA <0.23 8.29 NA 12.8 NA 1.8j NA NA NA NA <2.7 NA NA NA 547 SW-09(Geosyntec) 09/09/2013 7.4 31 121 7.14 75 NM 6.39 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 SW-85DS 06/11/2015 6.9 23 139 0.4 -205 0 >1000 100 106 51400 <1 <1 1.57 5.56 73 524 <1 2.56 100 2120 2170 <1 <1 25.1 <10 31 <1 40.4 <1 60.1 NA <1 55 NA NA 3080 94300 SW-BA1 05/20/2015 6.5 20 370 1 7 1 -58 147 75.5 1 27 182 1 1600 <1 <1 1.04 1.54 70 1 64 <1 <1 27 <50 <50 <1 <1 13.8 <10 73 <1 <1 2.25 2.67 NA 1.59 1.66 NA NA 1210 53SO SW-BA1 DUP 05/20/2015 6.5 20 370 7 -58 147 75.5 26 167 1810 <1 <1 1.06 1.58 69 88 <1 <1 26 <50 <50 <1 <1 13.8 <10 72 <1 <1 2.08 2.79 NA 1.26 1.67 NA NA 1140 6110 SW-BA2 05/20/2015 1 7.0 11 1 258 1.71 -220 -15 58.4 45 126 685 <1 <1 1.17 1.92 50 77 <1 <1 45 358 361 <1 <1 10.6 <10 12 <1 <1 3.53 4.6 NA 2.01 1.93 NA NA 2510 8910 SW-BBl OS/20/2015 6.6 19 91 6.3 39 244 37.6 20 200 843 <1 <1 <1 <1 29 35 <1 <1 20 <50 <50 <1 <1 4.99 <10 9.6 <1 <1 <1 <1 NA 1.28 1.17 NA NA 561 1930 SW-CFDG 06/11/2015 6.6 27 175 7.41 87 292 18.4 34 153 298 <1 <1 <1 <1 19 23 <1 <1 34 <50 <50 <1 <1 7.99 <10 16 <1 <1 <1 <1 NA 1.77 1.87 NA NA 378 790 SW-CFDG DUP 06/11/2015 6.6 27 175 7.41 87 292 18.4 33 153 266 <1 <1 <1 <1 19 24 <1 <1 33 <50 <50 <1 <1 8.07 <10 16 <1 <1 <1 <1 NA 1.95 1.79 NA NA 377 765 SW-DEEPR 06/11/2015 7.1 27 150 6.66 89 294 16.6 27 198 346 <1 <1 <1 <1 19 21 <1 <1 27 <50 <50 <1 cl 7.37 <10 14 <1 <1 <1 <1 NA 2.24 2 NA NA 580 297 P:\Duke Energy Progress. 1026\103. Cape Fear Ash Basin GW Assessment\16.Corrective Acton Plan\Tables\Table 1-3 Seep and SW Analytical Results_REVISED.xlsx Page 1 of TABLE 1-3 SEEP AND SURFACE WATER ANALYTICAL RESULTS CAPE FEAR STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC, MONCURE, NC Analytical Parameter pH Temp Spec Cond DO ORP Eh Turbidity 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 COD Copper Copper Fluoride Hardness Iron Iron DIS TOT DIS TOT DIS TOT DIS TOT DIS TOT DIS TOT DIS TOT TOT DIS TOT DIS TOT DIS TOT DIS TOT Reporting Units S.U. Deg C u chros mg/I mV mV NTUs mg/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l mg/1 ug/l ug/l ug/l ug/l m9/1 mg/I mg/l ug/I ug/l ug/l ug/l mg/l ug/l ug/l mg/l mg/l ug/1 ug/1 15A NCAC 02B / EPA Water Supply April 2015 NE NE NE NE NE NE NE NE NE 6500 NE 5.6 NE 10 NE 1000 NE NE NE NE NE NE NE NE NE 250 NE NE NE 3 NE NE 1300 NE NE NE NE 15A NCAC 02B / EPA Human Health April 2015 5-9 NE NE NE NE NE 50 NE NE S000 NE 640 NE 10 NE 200000 NE NE NE NE NE NE NE NE NE NE NE NE NE 4 NE NE NE NE NE NE NE 15A NCAC 02B / EPA Ecological April 2015 6.5-9 NE NE 5 NE NE 50 NE NE 87 NE NE 150 NE NE NE 6.5 NE NE NE NE 0.15 NE NE NE 230 11 NE NE NE NE 2.7 2.7 NE NE NE NE 15A NCAC 02L Standard 6.5-8.5 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 NE 1000 2 NE NE 300 Sample ID Sample Collection Date Field Parameters Analytical Results SW -HAW 06/11/2015 7.0 25 202 1 6.34 1 105 1 0 1 10 40 1 16 88 1.26 1 11 <1 <1 22 25 <1 <1 1 40 1 63 50 1 <1 I <1 9.33 <10 1 21 <I <1 I <1 I <1 I NA 1 1.24 1.31 NA I NA 59 1 294 SW-SHD-56 05/19/2015 6.7 23 219 1 3 1 25 230 20.4 34 1 112 1 511 1 <1 1 11 1 <1 I <1 1 28 1 33 1 <1 1 11 1 34 1 <50 I <50 I <1 I <1 1 8.74 1 <10 1 13 1 <1 I <1 I <1 I <1 I NA 1 1.77 1 1.81 1 NA I NA 1 369 1 1210 SW-SHD-PLANT 05/19/2015 6.8 21 1 301 8.4 -199 6 31.3 110 143 348 <1 <1 1.4 1.74 85 95 <1 <1 110 61 67 <1 <1 15.1 <10 25 <1 1.02 2.51 2.77 NA 2.01 2.7 NA NA 1150 2530 SW-SHD-REF OS/20/2015 6.8 21 156 6.3 -18 187 187 37 247 5070 <1 <1 1.66 3.04 41 87 <1 <1 37 <50 <50 <1 <1 8.21 <IO 16 <S 2.12 1.43 3.08 NA 1.82 3.36 NA NA 963 9180 SW-UNT 05/19/2015 1 7.3 1 24 549 6.9 39 2371 10.2 83 46 211 <1 <1 <1 1.38 52 57 <1 <1 83 1040 1090 <1 <S 43.6 <10 17 <1 <3 <1 1.06 NA <1 1.06 NA NA 67 534 ji Prepared by: BER Checked by: C1S Notes: - Concentrations are greater than the 15A NC 02B/EPA Water Supply Criteria, 2015(NC), 2013(EPA) 0 - Concentrations are greater than the 15A NC 02B/EPA Human Health Criteria, 2015(NC), 2013(EPA) - Concentrations are greater than the 15A NC 02B/EPA Ecological Criteria, 2015(NC), 2013(EPA) - Concentrations are greater than the 15A NCAC 02L Standard, Appendix 2, April 1, 2013. * - Interim Maximum Allowable Concentrations (IMACs) of the 15A NCAC 02L Standard, Appendix 1, April, 1, 2013. *= Surface water sample taken directly from standing water on ash basin j = indicates concentration reported below Practical Quantitation Limit (PQL), but above Method Detection Limit (MDL) and therefore concentration is estimated B2 = Target analyte was detected in blank at a concentration greater than 1/2 the reporting limit but less than reporting limit. < = concentration not detected at or above reporting limit ug/I = microgram per liter Deg C = Degree Celsius mg/I = milligrams per liter ft = feet umhos/cm = micro mhos per centimeter DO = Dissolved Oxygen NTU = nephelometric turbidity unit ORP = Oxidation Reduction Potential S.U. = Standard Unit Spec Cond = Specific Conductance mV = millivolts Eh = Redox potential mg-N/L = miligram nitrogen per liter Temp = Temperature P:\Duke Energy Progress. 1026\103. Cape Fear Ash Basin GW Assessment\16.Corrective Acton Plan\Tables\Table 1-3 Seep and SW Analytical Results_REVISED.xlsx Page 2 of TABLE 1-3 SEEP AND SURFACE WATER ANALYTICAL RESULTS CAPE FEAR STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC, MONCURE, NC Analytical Parameter Lead Lead Magnesium Manganese Manganese Mercury Methane Molybdenum Molybdenum Nickel Nickel Nitrate (as N) Oil and grease 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 TOT DIS TOT TOT DIS TOT DIS TOT TOT DIS TOT TOT DIS TOT DIS TOT DIS TOT DIS TOT Reporting Units ug/I ug/I mg/I ug/I ug/I ug/I ug/I ug/I ug/I ug/I ug/I mg-N/L mg/I mg/I ug/1 ug/I mg/I ug/I ug/I mg/I mg/I ug/I ug/I mg/I mg/I m9/1 ug/I ug/I ug/l ug/I 15A NCAC 02B / EPA Water Supply April 2015 NE NE NE NE 50 NE NE NE 160 NE 25 10 NE NE NE 170 NE NE 14000 250 NE NE 0.24 Soo NE NE NE NE NE 7400 15A NCAC 02B / EPA Human Health April 2015 NE NE NE NE 100 NE NE NE 2000 N 4600 NE NE NE NE 4200 NE NE 40000 NE NE NE 0.47 NE NE NE NE NE NE 26000 15A NCAC 02B / EPA Ecological April 2015 0.54 NE NE NE NE 0.012 NE NE NE 16 NE NE NE NE NE 5 NE NE NE NE NE NE NE NE NE NE NE NE 36 NE 15A NCAC 02L Standard NE 15 NE NE 50 1 NE NE NE NE 100 10 NE NE NE 20 NE NE NE 25o NE NE 0.2 500 NE NE NE 0.3 NE 1000 Sample ID Sample Collection Date Analytical Results NCDEQ SEEP SAMPLES OUTFALL 001 03/11/2014 NA <1 NA NA 109 NA NA NA 1.43 NA 8.81 NA NA NA NA 1.4 NA NA NA 80 NA NA NA 199 NA NA NA NA NA 46.8 Outfall 005 03/11/2014 NA <1 NA NA 99 NA NA NA 186 NA 8.77 NA NA NA NA 62.8 NA NA NA 92 NA NA NA 219 NA NA NA NA NA 3.3 Outfal 007 03/11/2014 NA 1.07 NA NA 865 NA NA NA 9.99 NA 4.72 NA NA NA NA 3.44 NA NA NA 55 NA NA NA 159 NA NA NA NA NA 22.1 Outfall 008 03/11/2014 NA <1 NA NA 4430 NA NA NA <1 NA 14.6 NA NA NA NA <1 NA NA NA 400 NA NA NA 580 NA NA NA NA NA 32.7 Outfall 008 to Shaddux Creek 03/11/2014 NA <1 NA NA 795 NA NA NA <1 NA 3.91 NA NA NA NA <1 NA NA NA 120 NA NA NA 301 NA NA NA NA NA 19.6 1978 South Standing Water 03/11/2014 NA <1 NA NA 400 NA NA NA <1 NA <5 NA NA NA NA <1 NA NA NA 20 NA NA NA 99 NA NA NA NA NA 13 Standing Water West of RR 03/11/2014 NA <1 NA NA 2460 NA NA NA <1 NA 5 NA NA NA NA <1 NA NA NA 160 NA NA NA 311 NA NA NA NA NA 5 85 East of RR 03/11/2014 NA <1 NA NA 1950 NA NA NA <1 NA <5 NA NA NA NA <1 NA NA NA 110 NA NA NA 249 NA NA NA NA NA 14 SEEP 1956 Pond SW-1 03/18/2014 NA 1.48 NA NA 6620 NA NA NA <1 NA 6 NA NA NA NA 1.23 NA NA NA 240 NA NA NA NA NA NA NA NA NA 79 SEEP 1963 Ash Pond 03/18/2014 NA <1 NA NA 1730 NA NA NA 101 NA <5 NA NA NA NA <1 NA NA NA 180 NA NA NA NA NA NA NA NA NA <5 SEEP South End of 70 AP 03/18/2014 NA <1 NA NA 2650 NA NA NA <1 NA <5 NA NA NA NA <1 NA NA NA 73 NA NA NA NA NA NA NA NA NA 16 SEEP 78 Ash Pond Down Gradient 03/18/2014 NA <1 NA NA 3790 NA NA NA <1 NA 26 NA NA NA NA <1 NA NA NA 160 NA NA NA NA I NA NA NA NA NA 65 SEEP Corner of 78 & Cooling Tower 03/18/2014 NA <1 NA NA 6380 NA NA NA <1 NA <17 NA NA NA NA <1 NA NA NA 220 NA NA NA NA NA NA NA NA NA 16 SEEP AND SURFACE WATER 1985 Ash Basin Pond 08/06/2015 NA <1 NA NA 70 0.00148 NA NA 148 NA 1.32 <0.01 NA NA NA 31.5 NA NA NA 85 NA NA 0.473 220 NA <5 NA NA NA <5 CF-78 Ash Pond 07/01/2014 NA <1 6.17 NA 50 <1 NA NA 5.69 NA 3.67 NA <5 NA NA 2.39 NA NA NA 91 NA NA 0.644 220 NA <5 NA NA NA <5 CF-85 Ash Pond 06/30/2014 NA <1 4.96 NA <5 <1 NA NA 192 NA 1.92 NA <5 NA NA 65.7 NA NA NA 90 NA NA 1.15 230 NA <5 NA NA NA <5 CF-85 AshPond Dup. 06/30/2014 NA <1 5.02 NA <5 <1 NA NA 186 NA 1.78 NA <5 NA NA 64.4 NA NA NA 90 NA NA 1.57 220 NA <5 NA NA NA <5 CF-Downl 07/01/2014 NA <1 3.58 NA 211 <1 NA NA 1.92 NA 1.32 NA <5 NA NA <1 NA NA NA 13 NA NA <0.2 110 NA 7 NA NA NA 20 CF-Down2 07/01/2014 NA <1 3.62 NA 129 <1 NA NA 2.16 NA 1.2 NA <5 NA NA <1 NA NA NA 14 NA NA <0.2 120 NA 7 NA NA NA 6 CF-HAW 07/01/2014 NA <1 3.45 NA 517 <1 NA NA 1.97 NA 1.1 NA <5 NA NA <1 NA NA NA 12 NA NA <0.2 110 NA 6 NA NA NA <5 CF-SHCK-Up 07/01/2014 NA <1 6.36 NA 886 <1 NA NA 6.26 NA 1.76 NA <5 NA NA <1 NA NA NA 23 NA NA <0.2 320 NA S NA NA NA 12 S-04 07/01/2014 NA <1 36.7 NA 1620 <1 NA NA <1 NA 3.52 NA <5 NA NA <1 NA NA NA 160 NA NA <0.2 510 NA 23 NA NA NA <5 S-04 06/11/2015 <1 76.2 59 1770 27100 0.00682 ISO 1.04 <10 3.48 519 <0.01 NA 2.39 <1 10.6 39.6 405 1970 150 <0.1 <0.2 5.13 51 93 15000 <0.3 217 13 5970 S-05 06/30/2014 NA <1 7.97 NA 5300 <1 NA NA <1 NA 9.37 NA <5 NA NA <1 NA NA NA 200 NA NA 0.254 400 NA 5 NA NA NA 7 S-05 06/05/2015 NA <1 NA NA 4450 0.000876 NA NA <1 NA 14.6 2.1 NA NA NA <1 NA NA NA 250 NA NA 0.683 420 NA 14 NA NA NA 31 S-07 06/30/2014 NA <1 42.2 NA 11300 <1 NA NA <1 NA 4.65 NA <5 NA NA <1 NA NA NA 330 NA NA <0.2 690 NA 53 NA NA NA <5 S-07 08/05/2015 NA <1 NA NA 9210 0.00144 NA NA <1 NA 2.76 0.142 NA NA NA <1 NA NA NA 230 NA NA <0.2 570 NA 26 NA NA NA <5 S-08 06/30/2014 NA <1 29 NA 5150 <1 NA NA 64.8 NA 5.32 NA <5 NA NA <1 NA NA NA 170 NA NA <0.2 460 NA 12 NA NA NA <5 S-08 08/05/2015 NA <1 NA NA 385 0.00076 NA NA 29.7 NA 4.94 0.044 NA NA NA <1 NA NA NA 170 NA NA <0.2 440 NA 9 NA NA NA <5 S-09 06/30/2014 NA <1 29.3 NA 1520 <1 NA NA <1 NA 4.16 NA <5 NA NA <1 NA NA NA 160 NA NA <0.2 450 NA <12.5 NA NA NA <5 S-09 05/19/2015 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 S-09 05/20/2015 <1 <1 23.6 2260 2360 0.00267 42 <1 <1 4.06 4.29 0.041 NA 1.19 <1 <1 30.6 301 315 99 <0.5 <0.2 <0.2 360 7.5 180 <0.3 0.739 <5 8 S-10 06/11/2015 <1 1.95 12.4 3070 3910 0.0105 110 <1 <1 1.63 2.67 <0.01 NA 2.87 <1 <1 47.1 152 167 19 <0.2 <0.2 <0.2 <25 24 940 1.95 9.31 15 12 S-15 07/01/2014 NA <1 26.8 NA 1890 <1 NA NA 108 NA 4.26 NA <5 NA NA <1 NA NA NA 180 NA NA <0.2 600 NA 8 NA NA NA <5 S-15 DUP 07/01/2014 NA <1 27 NA 1530 <1 NA NA 105 NA 3.74 NA <5 NA NA <1 NA NA NA 180 NA NA <0.2 600 NA 9 NA NA NA <5 S-15 08/05/2015 NA <1 NA NA 1500 <0.0005 NA NA 115 NA 4.36 <0.01 NA NA NA <1 NA NA NA 170 NA NA 0.485 610 NA <5 NA NA NA <5 S-16 10/01/2014 NA <1 77.7 NA 21200 <0.05 NA NA <1 NA 207 NA NA NA NA <1 NA NA NA 1700 NA NA 0.275 2700 NA <10 NA NA NA 525 S-16 06/11/2015 <1 <1 78.7 25400 18800 <0.001 13 <1 2.99 352 206 <0.01 NA 31.2 <1 <1 28 6280 5010 2700 <0.5 0.255 0.417 2600 0.976 190 <0.3 3.09 802 599 S-17 10/22/2014 NA 3.79 74.8 NA 22100 <0.05 NA NA <1 NA 23.9 NA <5 NA NA <1 NA NA NA 1400 NA NA <0.2 2000 NA <5 NA NA NA 98 SW-01 (Geosyntec) 08/19/2013 NA 0.16 j NA NA 135 <0.06 NA NA NA NA <1.5 NA NA 3.48 NA <0.5 13 NA NA 10.1 NA NA <0.15 95 NA NA NA NA NAd27 SW-01(Geosyntec) 09/09/2013 NA NA NA NA NA NA NA NA NA NA NA 0.43j NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA SW-02 (Geosyntec) 08/19/2013 NA 0.22 j NA NA 142 <0.06 NA NA NA NA <1.5 NA NA 3.47 NA <0.5 12.6 NA NA 9.8 NA NA <0.15 24.5 j NA NA NA NA NA SW-02(Geosyntec) 09/09/2013 NA NA NA NA NA NA NA NA NA NA NA 0.44j NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA SW-03 (Geosyntec) 08/19/2013 NA 0.23 j NA NA 148 <0.06 NA NA NA NA <1.5 NA NA 3.59 NA <0.5 12.4 NA NA 9.3 NA NA <0.15 90 NA NA NA NA NA SW-03(Geosyntec) 09/09/2013 NA NA NA NA NA NA NA NA NA NA NA 0.44j NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA SW-04 (Geosyntec) 08/19/2013 NA 0.34 j NA NA 154 <0.06 NA NA NA NA <1.5 NA NA 3.65 NA <0.5 12.7 NA NA 9.1 NA NA <0.15 92.5 NA NA NA NA NA 3.7 j SW-04(Geosyntec) 09/09/2013 NA NA NA NA NA NA NA NA NA NA NA 0.42j NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA SW-05 (Geosyntec) 08/19/2013 NA 0.42 j NA NA 152 <0.06 NA NA NA NA <1.5 NA NA 3.79 NA <0.5 11.9 NA NA 8.5 NA NA <0.15 91 NA NA NA NA NA 3.5 j SW-05(Geosyntec) 09/10/2013 NA NA NA NA NA NA NA NA NA NA NA 0.42j NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA SW-06 (Geosyntec) 08/19/2013 NA <0.085 NA NA 29.9 <0.06 NA NA NA NA 2.7 j NA NA 7.42 NA 1.2 j 40.8 NA NA 81.4 NA NA 0.41 j 203 NA NA NA NA NA 3.5 j SW-06 (Geosyntec) 09/10/2013 NA NA NA NA NA NA NA NA NA NA NA <0.205 NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA SW-07 (Geosyntec) 08/19/2013 NA <0.85 NA NA 17.1 <0.06 NA NA NA NA 1.8 j NA NA 11.8 NA 4.4 2.12 NA NA 132 NA NA <0.15 296 NA NA NA NA NA 6.2 j SW-07 (Geosyntec) 09/09/2013 NA NA NA NA NA NA NA NA NA NA NA <0.25 NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA SW-08 (Geosyntec) 08/19/2013 NA <0.085 NA NA 12.4 <0.06 NA NA NA NA 2.9 j NA NA 9.21 NA 70 20.2 NA NA 97.1 NA NA 1.6 208 NA NA NA NA NA <2 SW-08 (Geosyntec) 09/06/2013 NA NA NA NA NA NA NA NA NA NA NA <0.25 NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA SW-09 (Geosyntec) 08/19/2013 NA 0.32 j NA NA 146 <0.06 NA NA NA NA <1.5 NA NA 3.52 NA <0.5 12.2 NA NA 9.3 NA NA <0.15 90.5 NA NA NA NA NA 3.6 j SW-09(Geosyntec) 09/09/2013 NA NA NA NA NA NA NA NA NA NA NA 0.4j NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA SW-85DS 06/11/2015 <1 35.1 17.9 1710 4340 0.00551 150 <1 <1 1.17 27.4 <0.01 NA 1.96 <1 1.77 55.7 141 250 76 <0.2 <0.2 0.309 69 19 31000 4.24 107 <5 231 SW-BA1 05/20/2015 <1 2.47 8.63 3080 3300 0.0026 95 1 <1 <1 1 1.18 1.57 0.029 NA 2.84 <3 <1 31.6 141 1 147 4.1 <0.5 <0.2 <0.2 260 21 1 64 0.494 1 2.33 52 8 SW-BAI DUP 05/20/2015 <1 2.57 8.59 3100 3410 0.00124 110 <1 <1 1.12 1.71 0.04 NA 2.91 <3 <1 31.6 142 150 3.5 <0.5 <0.2 <0.2 250 21 130 0.384 2.31 164 11 SW-BA2 05/20/2015 ':1.55 8.84 1 5.66 1 2470 1 3300 1 0.00262 15 <1 <1 1.55 1.87 1 0.018 NA 2.01 <1 <1 12.9 92 100 1 5.7 1 <0.1 I <0.2 <0.2 150 22 25 1.29 4.31 40 18 SW-BB1 05/20/2015 <1 <1 2.48 43 50 0.00468 26 <3 <1 <1 1.06 0.21 NA 1.24 <1 <1 7.82 36 38 3.6 <0.1 <0.2 <0.2 82 5 10 0.306 1.39 13 <5 SW-CFDG 06/11/2015 <1 <1 3.57 29 126 0.0015 14 1.52 1.4 <1 1A2 0.619 NA 3.76 <1 <1 16.1 67 65 12 <0.1 <0.2 <0.2 170 7.3 11 1.44 1.59 8 DUP 06/11/2015 <1 <1 3.59 27 154 0.0014 14 1.4 1.42 <1 1.03 0.674 NA 3.77 <1 <1 16.2 67 64 12 <0.1 <0.2 <0.2 100 7.3 10 1.42 1.63 59 �<�51]SW-CFDG SW-DEEPR 06/11/2015 <1 <1 3.52 47 64 0.0019 19 <1 <1 <3 <1 0.708 NA 3.88 <1 <1 13.2 59 56 12 <0.1 0.383 <0.2 100 7.4 7 1.71 1.93 8 P:\Duke Energy Progress. 1026\103. Cape Fear Ash Basin GW Assessment\16.Corrective Acton Plan\Tables\Table 1-3 Seep and SW Analytical Results_REVISED.xlsx Page 3 of TABLE 1-3 SEEP AND SURFACE WATER ANALYTICAL RESULTS CAPE FEAR STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC, MONCURE, NC Analytical Parameter Lead Lead Magnesia Manganese Manganese Mercury Methane Molybdenum Molybdenum Nickel Nickel Nitrate (as N) Oil and grease 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 TOT DIS TOT TOT DIS TOT DIS TOT TOT DIS TOT TOT DIS TOT DIS TOT DIS TOT DIS TOT Reporting Units ug/l ug/l mg/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l mg-N/L mg/l mg/l ug/1 ug/l mg/l ug/l ug/1 mg/l mg/l ug/l ug/l mg/l mg/l m9/1 ug/l ug/l ug/1 ug/l 15A NCAC 02B / EPA Water Supply April 2015 NE NE NE NE 50 NE NE NE 160 NE 25 10 NE NE NE 170 NE NE 14000 250 NE NE 0.24 Soo NE NE NE NE NE 7400 15A NCAC 02B / EPA Human Health April 2015 NE NE NE NE 100 NE NE NE 2000 N 4600 NE NE NE NE 4200 NE NE 40000 NE NE NE 0.47 NE NE NE NE NE NE 26000 15A NCAC 02B / EPA Ecological April 2015 0.54 NE NE NE NE 0.012 NE NE NE 16 NE NE NE NE NE 5 NE NE NE NE NE NE NE NE NE NE NE NE 36 NE 15A NCAC 02L Standard NE 15 NE NE 50 1 NE NE NE NE 100 10 NE NE NE 20 NE NE NE 25o NE NE 0.2 500 NE NE NE 0.3 NE 1000 Sample ID ColleSctioampineDate Analytical Results SW -HAW 06/i 1/2015 <1 <1 3.85 <5 1 208 1 <0.001 18 2.45 2.54 1.18 1.41 0.298 NA 3.63 1 <1 <1 22.2 83 1 80 16 <0.1 <0.2 <0.2 1 120 6.3 6 0.698 1.1 <5 c5 SW-SHD-56 05/111/2015 <1 <1 3.45 354 401 0.00288 21 1.17 <1 <1 <1 0.484 NA 4.09 <3 <1 12.8 74 77 12 <0.1 <0.2 <0.2 100 7.8 14 1.42 2.39 <5 SW-SHD-PLANT 05/19/2015 <1 <1 4.91 1820 1910 0.00202 31 1.22 1.15 2.04 2.08 0.03 NA 36 <3 <1 19.9 124 130 9 <0.1 <0.2 <0.2 230 37 12 1.32 2�67�M 14 SW-SHD-REF 05/20/2015 <1 3.6 3.61 869 1150 0.00274 62 <1 <1 1.31 2.92 0.032 NA 2.13 <3 <1 16.2 69 82 2 <1 <0.2 <0.2 140 19 150 1.03 7 16 SW-UNT 05/19/2015 <1 <1 19.6 3280 3420 0.000786 <10 3.03 2.83 1.89 2.13 0.078 NA 2.56 <i <1 31.2 275 292 140 <0.1 <0.2 <0.2 350 4.7 8 0.705 1 <5 Prepared by: BER Checked by: CS Notes: - Concentrations are greater than the 15A NC 02B/EPA Water Supply Criteria, 2015(NC), 2013(EPA) 0 - Concentrations are greater than the 15A NC 02B/EPA Human Health Criteria, 2015(NC), 2013(EPA) - Concentrations are greater than the 15A NC 02B/EPA Ecological Criteria, 2015(NC), 2013(EPA) - Concentrations are greater than the 15A NCAC 02L Standard, Appendix 2, April 1, 2013. * - Interim Maximum Allowable Concentrations (IMACs) of the 15A NCAC 02L Standard, Appendix 1, April, 1, 2013. *= Surface water sample taken directly from standing water on ash basin j = indicates concentration reported below Practical Quantitation Limit (PQL), but above Method Detection Limit (MDL) and therefore concentration is estimated B2 = Target analyte was detected in blank at a concentration greater than 1/2 the reporting limit but less than reporting limit. < = concentration not detected at or above reporting limit ug/I = microgram per liter Deg C = Degree Celsius mg/I = milligrams per liter R = feet umhos/cm = micro mhos per centimeter DO = Dissolved Oxygen NTU = nephelometric turbidity unit ORP = Oxidation Reduction Potential S.U. = Standard Unit Spec Cord = Specific Conductance mV = millivolts Eh = Red- potential mg-N/L = miligram nitrogen per liter Temp = Temperature P:\Duke Energy Progress. 1026\103. Cape Fear Ash Basin GW Assessment\36.Corrective Acton Plan\Tables\Table 1-3 Seep and SW Analytical Results_REVISED.xlsx Page 4 of 4 TABLE 2-1 PROVISIONAL SOIL BACKGROUND CONCENTRATION SUMMARY CAPE FEAR STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC, MONCURE, NC Analytical Parameter Soil PSRG - Industrial Health Soil PSRG - Residential Health Soil PSRG - Protection of Groundwater Detected Background Concentration Range Provisional Background Concentration* Aluminum 100000 15000 NE 1970 - 17100 17100 Antimony 94 6.2 0.9 0.145 j 0.1 Arsenic 3 0.67 5.8 4.1 - 8.1 8.1 Barium 44000 3000 580 14.3 - 224 224 Boron 46000 3200 45 7.6 - 18.2 18.2 Cobalt 70 4.6 0.9 3.4 j - 31.9 31.9 Iron 100000 11000 150 1390-24500 24500 Manganese 5200 360 65 19.4 - 1140 1140 Selenium 1200 78 2.1 0.155 j - 4.4 j 4.40 Thallium 2.4 0.16 0.28 0.175 j 0.18 Vanadium 1200 78 6 7.6 - 55.1 55.1 Prepared by: BER Checked by: CIS Notes: 0 = 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 j = The reported value was above the method detection limit, but below the reporting limit. "Estimated" Value All concentrations are reported in 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\103. Cape Fear Ash Basin GW Assessment\1 6. Corrective Acton Plan\Tables\Table 2-1 thru 2- 7—Provisional BG Concentrations.xlsxTable 2-1 Soil Page 1 of 1 TABLE 2-2 PROVISIONAL SURFICIAL GROUNDWATER BACKGROUND CONCENTRATION SUMMARY CAPE FEAR STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC, MONCURE, NC Analytical Parameter Reporting Units NC2L Standard Surficial Groundwater Detected Background Concentration Range Provisional Background Concentration** ACLI ACL2 pH S.U. 6.5-8.5 6.0 - 6.3 6.0 - 8.5 NC NC Antimony Ng/I 1* ND ND 1 1 Arsenic Ng/I 10 1.91 - 2.4 2.4 2.9 4.2 Barium Ng/I 700 69 - 202 202 217 226 Beryllium Ng/I 4* ND ND 1 1 Boron Ng/I 700 81- 140 140 139 101 Cadmium Ng/I 2 ND ND 1 1 Chloride mg/I 250 6.3 - 280 280 429 513 Chromium Ng/I 10 ND ND 1 1 Cobalt Ng/I 1* 2.49 - 21.1 21.1 22.8 26.2 Iron Ng/I 300 72-45500 45500 61089 100225 Lead Ng/I 15 ND ND 1 1 Manganese Ng/I 50 105-4560 4560 6009 9666 Nickel Ng/I 100 1.69 - 3.14 3.14 3.28 3.60 Selenium Ng/I 20 ND ND 1 1 Strontium Ng/I NE 109 - 758 758 1157 1424 Sulfate mg/I 250 25 - 80 80 92 ill Thallium Ng/I 0.2* ND ND 0.2 0.2 TDS mg/I 500 160 - 830 830 910 936 Vanadium Ng/I 0.3* 0.383 - 1.1 1.1 1 1.1 0.96 Prepared by: BER Checked by: CJS Prepared by: BER Checked by: CIS Notes: = Indicates comparative value for risk assessment and corrective action evaluation NC = Not Calculated NE = Not Established pg/I = micrograms per liter ND = Not detected above reporting limit TDS = Total dissolved solids mg/I = milligrams per liter 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 the maximum observed background concentration. ACLI (Alternative Concentration Limit 1): mean + 1.65 x standard deviation ACL2 (Alternative Concentration Limit 2): median + 1.65 x IQR IQR (Interquartile Range) = 75th percentile - 25th percentile P:\Duke Energy Progress. 1026\103. Cape Fear Ash Basin GW Assessment\16. Corrective Acton Plan\Tables\Table 2-1 thru 2-7_Provisional BG Concentrations.xlsx&[Tab] Page 1 of 1 TABLE 2-3 PROVISIONAL BEDROCK GROUNDWATER BACKGROUND CONCENTRATION SUMMARY CAPE FEAR STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC, MONCURE, NC Analytical Parameter Reporting Units NC2L Standard Bedrock Groundwater Detected Background Concentration Range Provisional Background Concentration ** Parametric Interwell Prediction Limit Poisson Interwell Prediction Limit pH S.U. 6.5-8.5 5.7 - 8.2 5.7 - 8.5 NC NC Antimony ug/I 1* ND ND 0.5 3.17 Arsenic 10 1.44 - 7.84 7.84 12.3 8.69 Barium lag/I 700 76 - 468 468 772 390 Boron 700 51 - 52 52 66.6 48.3 Cadmium 2 ND ND 0.5 3.17 Chromium lag/I 10 4.98 4.98 5.56 4.55 Cobalt pg/I 1* 1.51 - 6.7 6.7 7.57 5.28 Iron pg/I 300 31 - 2290 2290 3150 725 Manganese pg/I 50 62-905 905 1603 527 Selenium 20 1.92 - 2.02 2.02 3.24 4.53 Strontium fag/I NE 435 - 713 713 852 627 Sulfate 250 4.9 - 93 93 127 38.1 Thallium lag/I 0.2* ND ND 0.1 1.64 TDS mg/I 500 260 - 660 660 851 417 Vanadium lag/I 0.3* 0.41 - 1.98 1.98 3.28 3.88 Prepared y: BLR CrIeCKeCly: Notes: F7 = Indicates comparative value for risk assessment and corrective action evaluation NC = Not Calculated mg/I = milligrams per liter ND = Not Detected pg/I = micrograms per liter NE = Not Established TDS = Total dissolved solids 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 the maximum observed background concentration which is also the Non -Parametric Inter -Well Prediction Lin P:\Duke Energy Progress.1026\103. Cape Fear Ash Basin GW Assessment\16.Corrective Acton Plan\Tables\Table 2-1 thru 2-7-Provisional BG Concentrations.xlsxTable 2-3 Bedrock Page 1 of 1 TABLE 2-4 SUMMARY OF APRASA GROUNDWATER ANALYTICAL RESULTS CAPE FEAR STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC, MONCURE, NC 15A NCAC 02L Number of 5tn 95tn Constituent .0202 Analyses Mean Value Percentile Percentile Standard Dissolved solids (mg/L) 500 5,551 227 37 554 Sulfate (mg/L) 250 Not given 35 0.8 110 Iron, total (Ng/L) 300 3,109 3,805 17 12,000 Manganese, 50 2,175 1,000 0.1 3,958 total (Ng/L) P:\Duke Energy Progress.1026\103. Cape Fear Ash Basin GW Assess ment\16.Corrective Acton Plan\Tables\Table 2-4 Summary of APRASA.xlsx Page 1 of 1 TABLE 2-5 DUKE ENERGY PRIVATE BACKGROUND WELL SUMMARY CAPE FEAR STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC, MONCURE, NC Analytical Parameter Reporting Units NCAC 02L Standard Concentration Range Number of 2L or IMAC Exceedances pH SI Units 6.5-8.5 5.0 - 8.13 1 Aluminum ug/I NE 5 - 200 ND Antimony ug/I 1* 0.56 - 1.5 8 Arsenic ug/I 10 0.52 - 6.8 0 Barium ug/I 700 6.8 - 283 0 Beryllium ug/I 4* ND 0 Boron ug/I 700 5.5 - 21.8 0 Cadmium ug/I 2 ND 0 Calcium mg/I NE 1.92 - 43.5 ND Chloride mg/I 250 1.2 - 35 0 Chromium ug/I 10 1.6 - 2.9 ND Chromium hexavalent ug/I NE 0.034 - 0.9 6 Cobalt u /I 1* 0.58 - 3.52 1 Copper m /I 1 0.005 - 0.227 0 Iron u /I 300 20 - 15000 5 Lead u /I 15 0.15 - 3.1 0 Magnesium m /I NE 0.803 - 13.5 ND Manganese u /I 50 0.62 - 366 8 Mercury u /I 1 ND ND Molybdenum ug/I NE 1.06 - 3.02 ND Nickel u /I 100 1.3 0 Potassium m /I NE 0.27 - 4.49 ND Selenium u /I 20 1.07 ND Sodium m /I NE 3.36 - 61.7 ND Strontium m /I NE 0.009 - 0.287 ND Sulfate m /I 250 0.4 - 14 0 Thallium low level u /I 0.2* ND 0 TDS m /I 500 99 - 200 0 TSS m /I NE 5 ND Vanadium low level u /I 0.3* 0.436 - 13.1 7 Zinc m /I 1 0.007 - 1.51 1 Notes: NE = Not Established ND = Not Detected ug/I = microgram per liter Prepared by: KDB Checked by: MCD 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\103. Cape Fear Ash Basin GW Assessment\16.Corrective Acton Plan\Tables\Table 2-5 DEP Pry BG Data Summary.xlsx Page 1 of 1 TABLE 2-6 PROVISIONAL SEEP AND SURFACE WATER BACKGROUND CONCENTRATION SUMMARY CAPE FEAR STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC, MONCURE, NC Analytical Parameter NCAC 2B / EPA NRWQC NC21L Standard Detected Background Concentra Range tion Provisional Background Concentration** Water Supply Human Health Ecological Aluminum 6500 8000 87 NE 88 - 5070 5070 Antimony 5.6 640 NE 1* ND ND Arsenic 10 10 150 10 1.28 - 3.04 3.04 Barium 1000 200000 NE 700 21 - 113 113 Beryllium (dis) NE NE 6.5 NE ND ND Beryllium NE NE NE 4* ND ND Boron NE NE NE 700 50 - 76 76 Cadmium NE NE NE 2 ND ND Chromium NE NE NE 10 2.12 2.12 Cobalt 3 4 NE 1* 2.67 - 3.08 3.08 Fluoride (mg/1) NE NE 1.8 2 ND ND Iron NE NE NE 300 294 - 9180 9180 Lead (dis) NE NE 0.54 NE ND ND Lead NE NE NE 15 2.47 - 3.6 3.6 Manganese 50 100 NE 50 50- 3410 3410 Molybdenum 160 2000 NE NE 1.97 - 6.26 6.26 Nickel (dis) NE NE 16 NE 1.12 - 1.31 1.31 Nickel 25 4600 NE 100 1.06 - 2.92 2.92 Selenium 170 4200 5 20 ND ND Sulfate (mg/1) 250 NE NE 250 2 - 23 23 Thallium 0.24 0.47 NE 0.2* ND ND TDS (mg/1) 500 NE NE 500 82 - 320 320 Vanadium NE NE NE 0.3* 1.1 - 7.82 7.82 Zinc (dis) NE NE 36 NE 8 - 164 164 Zinc 7400 26000 NE 1000 8 - 16 16 Prepare y: BER Checked by: CIS Notes: ❑ = Indicates comparative value for risk assessment and corrective action evaluation All concentrations are reported in pg/I, micrograms per liter, unless specified otherwise. mg/I = milligrams per liter (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 *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\103. Cape Fear Ash Basin GW Assessment\16.Corrective Acton Plan\Tables\Table 2-1 thru 2-7_Provisional BG Concentrations.xlsx Page 1 of 1 TABLE 2-7 PROVISIONAL SEDIMENT BACKGROUND CONCENTRATION SUMMARY CAPE FEAR STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC, MONCURE, NC EPA 114- Detected Freshwater Provisional Analytical Background Sediment Background Parameter Concentration Screening Concentration ** Range Value* Arsenic 9.8 ND ND Barium 20 13.9 - 101 101 Chromium 43.4 1.4 j - 16 16 Cobalt 50 5.9 j - 9 j 9 Copper 31.6 2 - 12.5 12.5 Iron 20000 3460 - 15600 15600 Manganese 460 32.6 - 503 503 Nickel 22.7 0.87 j - 9.8 9.8 Zinc 121 7.8 - 39.7 39.7 Prepared by: BER Checked by: CJS Notes• a= Indicates comparative value for risk assessment and corrective action evaluation All concentrations are reported in mg/kg, milligrams per kilogram ND = Not detected above reporting limit j = The reported value was above the method detection limit, but below the reporting limit. "Estimated" Value *USEPA Region 4 Ecological Risk Assessment Supplemental Guidance Interim Draft (EPA 2015). Table 2A Region 4 Sediment Screening values (Freshwater ESV) **Provisional background concentration is equal to the maximum background concentration P:\Duke Energy Progress.1026\103. Cape Fear Ash Basin GW Assessment\16.Corrective Acton Plan\Tables\Table 2-1 thru 2- 7—Provisional BG Concentrations. AsxTable 2-7 Sediment Page 1 of 1 TABLE 2-8 SOIL EXCEEDANCES CAPE FEAR STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC, MONCURE, NC Analytical Parameter Aluminum Antimony Arsenic Barium Boron Cobalt Iron Manganese Selenium 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 PSRG Industrial Health 100000 94 3 44000 46000 70 100000 5200 1200 2.4 1200 PSRG Residential Health 15000 6.2 0.67 3000 3200 4.6 11000 360 78 0.16 78 PSRG Protection of Groundwater NE 0.9 5.8 580 45 0.9 150 65 2.1 0.28 6 Provisional Background Concentration 17100 0.145 8.1 224 1 18.2 31.9 24500 1140 4.4 0.175 55.1 Sample ID Sample Collection Date Analytical Results BACKGROUND ANALYTICAL RESULTS MW-09 (Geosyntec) (9.0-9.5) 08/26/2013 17100 0.145 j 4.1 NA 8.89 j NA NA 454 0.155 j 0.175 j NA MW-09 SB (0-2) 04/25/2015 4250 <6.7 <6.7 18.1 <16.6 <6.7 13000 19.4 <6.7 <6.7 10.2 MW-09 SB (2-3) 04/25/2015 7720 <5.3 8.1 155 <13.3 31.9 20000 324 4.4 j <5.3 9.7 MW-09 SB (6-7) 04/25/2015 9700 <5.7 <5.7 224 <14.4 11.4 24500 1140 <5.7 <5.7 10.8 MW-09 SB (16-17) 04/25/2015 9980 <5.7 <5.7 50.6 <14.3 7.3 19500 371 <5.7 <5.7 11 MW-15 SB (0-2) 04/01/2015 9980 <2.9 <5.8 64.9 18.2 6.4 24100 367 <5.8 <5.8 55.1 MW-15 SB (7-9) 04/01/2015 13900 <2.8 <5.7 189 13.2 j 3.4 j 11400 116 <5.7 <2.8 22.3 MW-15 SB (18-19) 04/01/2015 5500 <2.9 <2.9 41.3 15.5 5.2 13500 614 <2.9 <2.9 18.4 MW-15 SB (35-36) 04/07/2015 6560 <5.7 <5.7 30.6 7.6 16.8 13100 220 <5.7 <5.7 13.8 MW-16 SB (0-2) 04/28/2015 4130 <6.7 <6.7 69.2 <16.8 4.3 j 7250 392 <6.7 <6.7 12.1 MW-16 SB (4-6) 04/28/2015 4480 <6.3 <6.3 130 <15.7 <6.3 3100 47.7 <6.3 <6.3 13.6 MW-16 SB (13-15) 04/28/2015 1970 <6.7 <6.7 14.3 <16.7 6 j 1390 48 <6.7 <6.7 7.6 ANALYTICAL RESULTS ABB-06 SB (47-48) 04/13/2015 14100 <8.2 <8.2 60.2 <20.6 7.5 j 14200 249 <8.2 <8.2 31.8 ABMW-01 SB (47-50) DUP 03/18/2015 3120 <3.5 <3.5 23.3 2.1 j 3.2 j 3910 64.5 <3.5 <3.5 11.1 ABMW-01 SB (39-41) 03/23/2015 3650 <2.8 <2.8 37 <14.2 3.9 4280 81.6 <2.8 <2.8 16.1 ABMW-01 SB (57-59) 03/24/2015 2560 <2.5 <2.5 65.3 <12.5 1.3 j 3620 2210 <2.5 <2.5 6.7 ABMW-01 SB (69-71) 03/24/2015 6810 <2.5 2.9 81.6 14.7 8.1 10200 386 j <2.5 12.3 ABMW-02 SB (5-6) 03/26/2015 11000 <3.1 <3.1 8.8 34.4 <3.1 35600 13.9 E2.4 <3.1 <3.1 74.5 ABMW-02 SB (11-12) 03/26/2015 5450 <3.4 3.6 38.5 46.5 3.9 50400 348 <3.4 <3.4 14.9 ABMW-02 SB (27-28) 03/26/2015 3830 <2.7 7.7 19 53.2 8.4 60400 72.6 <2.7 <2.7 18.5 ABMW-03 SB (25-26) 04/14/2015 8850 <6.7 <6.7 58.7 <16.8 5.4 j 12500 351 <6.7 <6.7 29.3 ABMW-04 SB (28-30) 04/11/2015 18200 <6.7 5.1 j 178 <16.8 11.4 43700 512 <6.7 <6.7 62.1 ABMW-04 SB (42.5-44.5) 04/13/2015 4550 <6.6 <6.6 24.3 <16.5 4.2 j 7310 83 <6.6 <6.6 18.9 ABMW-05 AB (23-24) 05/07/2015 11100 <6.1 41.9 645 15.7 8.2 12700 57.7 11.6 <6.1 37.5 ABMW-05 AB (29-30) 05/07/2015 10900 <6.3 <6.3 30.3 <15.8 5.8 j 14600 316 <6.3 <6.3 31.7 BG-01 (Geosyntec) (2.0-2.5) 08/20/2013 25600 <0.0992 1.61 NA 5.26 j NA NA 234 0.414 j 0.349 NA BG-02 (Geosyntec) (2.0-2.5) 08/20/2013 44400 <0.117 3.32 NA 9 j NA NA 134 0.795 j 0.347 NA BG-03 (Geosyntec) (2.0-2.5) 08/20/2013 17600 <0.104 2.16 NA 6.54 j NA NA 155 0.638 j 0.159 j NA BG-04 (Geosyntec) (2.0-2.5) 08/22/2013 21100 <0.118 1.83 NA 5.89 j NA NA 3830 0.399 j 0.224 j NA BG-05 (Geosyntec) (2.0-2.5) 08/22/2013 21300 <0.108 2.09 NA 5.93 j NA NA 2330 0.511 j 0.182 j NA B-N1963 (28-30) 03/30/2015 10500 <3.2 1.9 j 80.2 27.1 5.3 25100 322 <3.2 <3.2 34.9 MW-05BR SB (0-2) 04/23/2015 11500 <6.1 <6.1 62.8 <15.2 3.7 j 26200 78 <6.1 <6.1 89.6 MW-05BR SB (10-12) 04/23/2015 5400 <6 <6 98.4 <15 13.6 16100 479 <6 <6 50.9 MW-05BR SB (18-20) 04/23/2015 4760 <6.5 <6.5 49.1 <16.2 8.9 9300 439 <6.5 <6.5 21 MW-05BR SB (18-20) DUP 04/23/2015 6360 <6.4 <6.4 65.3 <16.1 11.7 14900 695 <6.4 <6.4 38.2 MW-06BR SB (0-2) 05/30/2015 9800 <6.1 <6.1 100 <15.2 17.5 18900 1080 <6.1 <6.1 50.2 MW-06BR SB (6-7) 05/30/2015 9740 <6.1 <6.1 49.7 <15.3 12.8 20200 489 <6.1 <6.1 48 MW-06BR SB (6-7) DUP 05/30/2015 9820 <5.8 <5.8 79.8 <14.5 10.8 17000 343 <5.8 <5.8 37.9 MW-06BR SB (14-16) 05/30/2015 4720 <6.4 <6.4 49.5 <16 6.7 13600 275 <6.4 <6.4 21.3 MW-10 (Geosyntec) (9.0-9.5) 08/22/2013 14300 <0.107 1.37 NA 5.86 j NA NA 491 0.305 j 0.0948 j NA MW-109 (Geosyntec) (9.0-9.5) 08/22/2013 11000 <0.103 1.23 NA 4.74 j NA NA 444 0.265 j 0.101 j NA MW-10BR SB (0-2) 04/08/2015 3300 <5.8 <5.8 33.5 6.4 9.3 10600 363 <5.8 <5.8 31.6 MW-10BR SB (8-9) 04/08/2015 4500 <6.3 <6.3 47.1 6.7 9.3 10600 495 <6.3 <6.3 35.2 MW-10BR SB (15-16) 04/08/2015 5670 <6.8 <6.8 82.7 7.4 8.3 9870 358 <6.8 <6.8 35.2 MW-10BR SB (26-27) 04/08/2015 27200 <5.1 <5.1 209 <25.6 27.9 22900 457 3.3 j <5.1 30.1 MW-11 (Geosyntec) (8.5-9.0) 08/19/2013 20100 0.124 j 2.41 NA 7.28 j NA NA 3020 0.517 j 0.236 j NA MW-11 (Geosyntec) (11.0-11.5) 08/19/2013 15400 <0.105 2.08 NA 5.78 j NA NA 353 <0.122 0.127 j NA P:\Duke Energy Progress.1026\103. Cape Fear Ash Basin GW Assessment\16.Corrective Acton Plan\Tables\Table 2-8 Soil Exceedances.xlsx Page 1 of 2 TABLE 2-8 SOIL EXCEEDANCES CAPE FEAR STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC, MONCURE, NC Analytical Parameter Aluminum Antimony Arsenic Barium Boron Cobalt Iron Manganese Selenium 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 PSRG Industrial Health 100000 94 3 44000 46000 70 100000 5200 1200 2.4 1200 PSRG Residential Health 15000 6.2 0.67 3000 3200 4.6 11000 360 78 0.16 78 PSRG Protection of Groundwater NE 0.9 5.8 580 45 0.9 150 65 2.1 0.28 6 Provisional Background Concentration 17100 0.145 8.1 1 224 18.2 31.9 24500 1140 4.4 0.175 55.1 Sample ID Sample Collection Date Analytical Results MW-12 (Geosyntec) (7.0-7.5) 08/23/2013 24500 <0.102 2.58 NA 3.08 j NA NA 1000 0.153 j 0.135 j NA MW-12BR SB (0-2) 02/24/2015 6230 <1.2 0.82 j 77.8 7.8 13.2 13500 1510 1.1 j <1.2 30.9 MW-12BR SB (11-12) 02/24/2015 6310 <1.3 1.7 95.6 8.8 6.6 13500 163 0.87 j <1.3 34.2 MW-12BR SB (17-18) 02/24/2015 669 <1.2 0.77 j 7.5 2.1 j 1.4 2590 24 <1.2 <1.2 5.7 MW-12BR SB (20-21) 03/03/2015 569 <2.8 <2.8 6 <2.8 <2.8 719 12.3 <2.8 <2.8 5.1 MW-13 (Geosyntec) (8.5-9.0) 08/23/2013 25100 <0.118 2.04 NA 6.56 j NA NA 930 0.228 j 0.15 j NA MW-139 (Geosyntec) (8.5-9.0) 08/23/2013 29300 <0.108 2.23 NA 6.62 j NA NA 746 0.226 j 0.168 j NA MW-14 (Geosyntec) (7.0-7.5) 08/20/2013 8060 <0.102 <0.0999 NA 6.84 j NA NA 1660 <0.119 <0.0357 NA MW-14 (Geosyntec) (9.5-10.0) 08/20/2013 15300 <0.108 1.93 NA 8.51 j NA NA 281 0.542 j 0.154 j NA MW-17 SB (0-2) 06/29/2015 7370 <6.2 <6.2 140 <15.5 13.3 14600 1230 <6.2 <6.2 46.1 MW-17BR SB (2-3) 03/06/2015 5850 <1.3 1.1 j 262 6.1 11.1 9970 1830 1.1 j <1.3 32.7 MW-17BR SB (8-9) 03/06/2015 8460 <1.3 1.5 54.2 9 9.2 13200 1320 1.2 j <1.3 39.6 MW-17BR SB (14-15) 03/06/2015 6020 <1.4 1 j 65.6 5 7.3 10400 1000 0.79 j <1.4 25.5 MW-17BR SB (26-27) 03/06/2015 2280 <1.4 <1.4 23 2.2 j 2.9 3350 94.3 <1.4 <1.4 5.9 MW-18 SB (0-2) 02/11/2015 11800 <3.4 <3.4 103 <68.7 34.7 17500 3520 <3.4 <3.4 53.9 MW-18 SB (2.5-3) 02/11/2015 9950 <3.1 <3.1 43.9 <62.7 6 15500 267 <3.1 <3.1 45.3 MW-19 SB (0-2) 02/11/2015 9130 <3.1 1.7 j 58 <62.9 33.7 19400 2070 <3.1 <3.1 58.8 MW-19 SB (4-5) 02/11/2015 13300 <3.3 <3.3 41.8 41.3 j <3.3 38200 52.5 <3.3 <3.3 97 MW-20 SB (0-2) 05/13/2015 10100 <6.2 <6.2 75.7 <15.6 15.2 18800 747 <6.2 <6.2 47.3 MW-20 SB (5-6) 05/13/2015 10600 <6.1 <6.1 96.4 <15.2 11.4 20800 886 <6.1 <6.1 50.5 MW-20 SB (10-12) 05/13/2015 9340 <6.3 4.6 j 65.7 <15.7 14.7 19700 868 5.5 j <6.3 48.1 MW-20 SB (17-19) 05/13/2015 6880 <6.2 <6.2 103 <15.5 3.2 j 10900 144 <6.2 <6.2 25.8 MW-20 SB (24-25) 05/13/2015 3830 <6.2 <6.2 39.3 <15.5 3.6 j 9990 175 <6.2 <6.2 11.6 MW-20 SB (24-25) DUP 05/13/2015 3140 <5.4 <5.4 31 <13.4 2.7 j 7570 129 <5.4 <5.4 13.3 MW-21 SB (0-2) 04/21/2015 1480 <6 60.3 66.1 <15.1 <6 8420 25.3 3.2 j <6 14.9 MW-21 SB (0-2) 06/18/2015 1610 <8.2 40.1 87.5 <20.5 <8.2 5980 781 5.7 j <8.2 8.8 MW-21 SB (5-6) 04/21/2015 2490 <5.8 <5.8 50 <14.4 <5.8 14500 100 <5.8 <5.8 22 MW-21 SB (9-11) 04/21/2015 7520 <5.9 3.2 j 52.2 <14.7 5.2 j 15700 231 <5.9 <5.9 41.3 PZ-06 (Geosyntec) (41.0-43.0) 08/21/2013 7540 <0.0994 1.1 NA 5.32 j NA NA 222 <0.116 0.0693 j NA PZ-07 (Geosyntec) (21.0-23.0) 08/16/2013 16700 <0.104 1.33 NA 4.48 j NA NA 57.8 0.228 j 0.183 j NA PZ-08 (Geosyntec) (22.0-23.0) 08/15/2013 16800 0.684 24.5 NA 6.46 j NA NA 96.6 0.4 j 0.263 NA PZ-09 (Geosyntec) (9.0-11.0) 08/15/2013 20700 0.136 j 5.59 NA 5.82 j NA NA 56.6 0.607 j 0.102 j NA PZ-10 (Geosyntec) (23.0-25.0) 1 08/19/2013 1 15500 1 <0.106 1 1.64 NA 7.85 j I NA NA 416 1 0.158 j 0.114 j NA Prepared by: BER Checked by: CJS Notes: 0 Constituent exceeds Inactive Hazardous Sites Branch Preliminary Soil Remediation Goals (PSRG) Protection of Groundwater Table September 2015 and maximun concentration from background data set - Total metal concentration less than appropriate comparative value (PSRG Protection of Groundwater 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 < = concentration not detected at or above reporting limit P:\Duke Energy Progress.1026\103. Cape Fear Ash Basin GW Assessment\1 6. Corrective Acton Plan\Tables\Table 2-8 Soil Exceedances.xlsx Page 2 of 2 TABLE 2-9 SURFICIAL GROUNDWATER EXCEEDANCES CAPE FEAR STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC, MONCURE, NC Analytical Parameter pH Water Level Temp Spec Coed DO ORP Eh Turbidity Ferrous Iron Antimony Arsenic Barium Beryllium Boron Cadmium Chloride Chromium Cobalt Iron Lead Manganese Nickel Selenium Strontium Sulfate Thallium Total Dissolved Solids Vanadium Reporting Units S.U. ft Deg C °os /cm mg/I mV mV NTU mg/I ug/I ug/I ug/I ug/I ug/I ug/I mg/I ug/I ug/I ug/I ug/I ug/I ug/I ug/I ug/I mg/I ug/1 mg/1 ug/I 15A NCAC 02L Standard 6.5-8.5 NE NE NE NE NE NE NE NE 1* SO 700 4* 700 2 250 10 1* 300 15 50 100 20 NE 250 0.2* 500 0.3* Provisional Background Concentration 6.0-6.3 NE NE NE NE NE NE NE NE NO 2.4 202 NO 140 NO 280 NO 21.1 45500 NO 4560 3.14 NO 758 80 ND 830 1.1 Sample ID Sample Collection Date Field Parameters Analytical Results BACKGROUND ANALYTICAL RESULTS BGMW-04 0311212012 5.4 16.76 18 327 5.93 -32 173 2.17 NM <0.5 <5 69 NA <50 0.097 10.5 <5 NA 150 b <5 83 <5 <10 NA 92.5 <0.1 229 NA BGMW-04 1011512012 5.5 18.38 18 182 2.4 199 404 5.61 NM <0.5 <5 46.5 NA <50 <0.08 11 <5 NA 3130 <5 61.2 <5 <10 NA 24.2 <0.1 89 NA BGMW-04 0311112014 5.7 13.34 16 213 2.5 219 424 8.7 NM <1 <1 33 NA <50 <1 9.9 <5 NA 494 <1 9 <5 <1 NA 29 <0.2 170 NA BGMW-04 0310412015 5.9 14.49 14 189 1.33 70 275 8.11 NM <1 <1 31 NA <50 <1 8.3 <5 NA 360 <1 11 <5 <1 NA 25 <0.2 140 NA BGMW-04 0610812015 5.7 16.20 18 188 1 97 302 9.85 NM <1 <1 91 <1 482 <1 9.3 <5 <1 3810 1.22 49 <5 <1 NA 26 <0.2 150 NA MW-15SL 05/29/2015 6.0 10.58 18 329 0.1 116 321 4.97 NM <1 2.4 76 <1 <50 <1 6.3 <1 21.1 45500 <1 4560 1.69 <1 133 80 <0.2 210 <0.3 MW-15SL 06/30/2015 6.1 10.44 1 19 1 282 0.3 1 -61 1 145 5.26 1 4.5 <1 1 1.91 69 1 <1 <50 1 <1 7.6 1 <1 12.3 1 38400 <1 1 3860 <1 <1 114 52 1 <0.2 190 0.383 MW-15SL 09/01/2015 6.3 12.05 20 278 1.05 -95 110 6.32 1.5 <1 2.36 69 <1 <50 <1 7.7 <1 11.8 37500 <1 3630 <1 <1 109 47 <0.2 160 0.48 MW-15SU 0512912015 4.6 10.47 24 2530 2.22 371 576 4.1 NM <1 2.47 29 10 <50 1.21 51 3.39 387 2490 2.48 33700 150 1.45 1270 1600 0.218 NA 4.57 MW-15SU 0910112015 4.8 8.84 19 1567 6.39 123 328 NM NM <1 N1 1.16 N1 29 N1 3.16 N1 54 NI <1 Nl NA <1 N1 153 Nl 1580 N1 <1 Nl 16800 N1 99.3 N1 <1 Nl 793 N1 NA <0.2 N1 NA 1.51 N1 MW-16S O5/20/2015 6.2 2.19 17 978 16.6 Ill 316 4.26 NM <1 <1 160 <1 140 <1 210 <1 3.52 93 <1 202 3.14 <1 624 44 <0.2 630 1.1 MW-165 CUP O5/20/2015 6.2 2.19 17 978 16.6 Ill 316 4.26 NM <1 <1 162 <1 140 <1 200 <1 3.9 72 <1 207 2.95 <1 627 44 <0.2 620 1.05 MW-16S 09/01/2015 6.2 5.83 19 1196 4.5 36 241 2 0.5 <1 <1 202 <1 81 <1 280 <1 2.49 385 <1 105 2.16 <1 758 25 <0.2 1 830 0.674 ANALYTICAL RESULTS ABMW-01S 05/08/2015 11.2 27.41 27 788 0.35 -133 72 0.91 NM 1.85 27.7 94 <1 2930 <1 20 <1 <1 14 <1 <5 4.5 3.4 655 130 <0.2 360 73.3 ABMW-OIS 08/31/2015 8.7 29.51 23 524 0.54 -170 35 3.7 0 <1 26.4 38 <1 3760 <1 19 <1 <1 56 <1 262 4.43 <1 589 140 <0.2 370 2.54 ABMW-02SL 05/20/2015 6.2 9.16 17 1785 0.37 32 237 3.69 NM <10 <10 15 <10 <50 <10 6.6 <10 <10 3450 <10 519 <10 <10 30 14 <2 100 <3 ABMW-02SL O8/31/2015 6.7 12.22 20 222 0.7 -106 99 7.2 2 <1 3.79 23 <1 <50 <1 4.2 <1 3.52 7490 <1 710 6.1 <1 45 5.3 <0.2 120 <0.3 ABMW-025U O5/20/2015 3.8 8.75 20 765 6.03 143 348 4.24 NM <1 <1 28 <1 198 <1 39 <1 19 15900 6.24 1540 14.8 <1 549 270 <0.2 440 <0.3 ABMW-02SU 08/31/2015 4.2 11.61 20 676 0.5 225 430 6.7 1 <1 <1 30 <1 162 <1 41 <1 16.3 14900 3.34 1350 22.1 <1 414 370 0.238 450 0.737 ABMW-03S O5/27/2015 11.7 17.54 21 1 3186 1.22 1 -39 1 166 0.86 1 NM <1 1 1.09 638 1 <1 205 1 <1 18 1 8.68 <1 1 21 <1 1 <5 5.72 1.73 2050 58 0.22 1 780 2.53 ABMW-03S O8/31/2015 12.1 19.30 19 3 0.42 -59 147 1.39 0 <1 1.56 669 <1 <50 <1 23 3.97 1.14 115 <1 <5 16 2.93 2780 17 <0.2 700 6.41 ABMW-04S 05/14/2015 6.2 19.53 18 413 0.24 -75 130 2.87 NM <1 1.62 94 <1 <50 <1 23 <1 1.02 18000 <1 1110 <1 <1 153 5 <0.2 230 0.328 ABMW-04S 08/31/2015 6.5 20.68 19 509 2.9 -144 61 3.2 6 <1 3.36 110 <1 <50 <1 22 <1 <1 33200 <1 2030 <1 <1 204 0.4 <0.2 290 0.422 ABMW-04S DUP 08/31/2015 6.5 20.68 19 509 2.9 -144 61 3.2 6 <1 2.94 105 <1 <50 <1 22 <1 <1 31300 <1 1910 <1 <1 191 0.39 <0.2 270 0.336 ABMW-05S 06/02/2015 6.0 24.75 18 1991 0.33 -133 72 3.16 NM <1 <1 61 <1 187 <1 25 <1 327 99600 <1 32400 147 <1 1700 1400 0.306 1600 <0.3 ABMW-05S DUP 06/02/2015 6.0 24.75 18 1991 0.33 -133 72 3.16 NM <1 <1 61 <1 187 <1 25 <1 325 103000 <1 33700 149 <1 1700 1300 0.317 1700 <0.3 ABMW-05S 09/01/2015 5.7 25.87 20 1926 1 -67 138 5.44 2.5 <1 2.12 33 <1 150 <1 28 <1 339 142000 <1 35700 155 <1 1590 1300 <0.2 1800 0.848 CMW-Ol 12/17/2010 6.3 8.01 15 426 NM NM NM 5.07 NM <0.5 <5 209 NA 1810 <0.08 16.8 <5 NA 51100 <5 1370 <5 <10 NA <5 <0.1 209 NA CMW-Ol 03/08/2011 6.5 7.30 14 500 0.68 -87 118 13.7 NM <0.5 <5 208 NA 1790 <0.08 18.2 b <5 NA 50300 <5 1790 <5 <10 NA <5 <0.1 232 b NA CMW-01 06/03/2011 6.1 8.12 17 445 0.89 -99 106 6.66 NM <0.5 <5 192 NA 1840 <0.08 17 <5 NA 51500 <5 1350 <5 <10 NA <5 <0.1 188 NA CMW-01 10/11/2011 6.2 8.77 19 499 NM NM NM 8.72 NM <0.5 <5 208 NA 2910 <0.08 13.6 <5 NA 46300 <5 1180 <5 <10 NA 23.1 <0.1 259 NA CMW-01 03/12/2012 6.4 7.42 17 438 0.41 -92 113 27.1 NM <0.5 <5 157 NA 2030 <0.08 14.9 <5 NA 41700 <5 1050 <5 <10 NA <5 <0.1 188 NA CMW-01 DUP 03/12/2012 6.4 7.42 17 438 0.41 -92 113 27.1 NM <0.5 <5 163 NA 2080 <0.08 14.7 <5 NA 43400 <5 1080 <5 <10 NA <5 <0.1 182 NA CMW-01 06/12/2012 6.2 8.32 19 497 1.12 -1081 97 14 NM <0.5 <5 203 NA 2300 <0.08 1.8 <5 NA 54600 <5 1160 <5 <10 NA <2 <0.1 205 NA CMW-01 10/15/2012 6.3 8.45 21 508 0.39 -86 119 8.87 NM <0.5 <5 201 NA 2950 0.15 13.3 <5 NA 42200 <5 1000 <5 <10 NA 36.3 <0.1 242 NA CMW-01 03/04/2013 6.2 6.51 13 430 0.29 -53 152 24 NM <1 <1 153 NA 1880 <1 28 <5 NA 28100 <1 1610 6 <1 NA 10 <0.2 240 NA CMW-01 06/04/2013 6.2 7.85 18 527 0.3 -40 165 10 NM <1 <1 205 NA 2160 <1 17 <5 NA 50000 <1 1250 <5 <1 NA <0.1 <0.2 270 NA CMW-01 10/09/2013 6.3 8.51 19 514 0.18 -83 122 22.8 NM <1 1.05 217 NA 2550 2.41 13 <5 NA 54200 <1 1190 <5 <1 NA 0.11 <0.2 220 NA CMW-01 03/12/2014 6.0 4.99 13 398 0.7 23 228 9 NM <1 <1 174 NA 1020 <1 31 <5 NA 34100 <1 2750 6 <1 NA 11 <0.2 200 NA CMW-01 06/09/2014 6.2 8.21 22 528 0.2 -77 128 9.7 NM <1 <1 225 NA 1600 <1 15 <5 NA 59600 <1 1300 5 <1 NA <0.1 <0.2 280 NA CMW-01 DUP 06/09/2014 6.2 8.21 22 528 0.2 -77 128 9.7 NM <1 <1 225 NA 1560 <1 15 <5 NA 60900 <1 1300 <5 <1 NA <0.1 <0.2 280 NA CMW-01 10/14/2014 6.1 8.60 21 485 0.15 -94 Ill 8.4 NM <1 <1 187 NA 2750 <1 12 <5 NA 38500 <1 899 6 <1 NA 26 <0.2 240 NA CMW-01 03/04/2015 6.1 5.80 16 400 0.08 -54 151 13.2 NM <1 <1 156 NA 1380 <1 29 <5 NA 28700 <1 1390 5 <1 NA 2.1 <0.2 200 NA CMW-01 06/09/2015 6.2 8.26 20 517 0.16 -189 16 8.84 NM <1 <1 229 <1 1830 <1 18 <5 <1 52700 <1 1250 <5 <1 NA <0.1 <0.2 240 NA CMW-02 12/16/2010 5.5 10.71 14 782 NM NM NM 2.7 NM <0.5 <5 41 NA 107 0.15 12.6 <5 NA 2290 <5 5480 24.9 <10 NA 449 <0.1 735 NA CMW-02 03/07/2011 5.6 10.29 13 933 2.5 88 293 3.02 NM <0.5 <5 33.2 b NA 96.5 0.2 13.6 b <5 NA 231 <5 1 5160 31.8 1 <10 NA 571 <0.1 797 NA CMW-02 06/02/2011 5.4 11.03 18 888 0.43 -69 136 3.35 NM <0.5 <5 27.1 NA 97.2 0.24 13.6 <5 NA 429 b <5 5240 36.4 <10 NA 463 <0.1 747 NA CMW-02 10/11/2011 5.4 12.20 18 880 0.83 -64 141 2.66 NM <0.5 <5 33.3 NA 114 0.2 14.8 <5 NA 1830 <5 5640 37.9 <10 NA 8.9 <0.1 687 NA CMW-02 03/13/2012 5.5 10.38 15 904 0.99 -43 162 0.71 NM <0.5 <5 28.3 NA 122 <0.08 17.5 <5 NA 609 b <5 3110 31.3 <10 NA 455 <0.1 803 NA CMW-02 06/12/2012 5.2 11.13 18 1056 1.65 -52 153 3.93 NM <0.5 <5 30.4 NA 112 <0.08 20.8 <5 NA 1730 <5 4120 45.5 <10 NA 260 <0.1 877 NA CMW-02 DUP 06/12/2012 5.2 11.13 18 1056 1.65 -52 153 3.93 NM <0.5 <5 30.1 NA 108 0.091 19.9 <5 NA 1600 <5 3690 47.8 <10 NA 556 <0.1 882 NA CMW-02 10/16/2012 6.0 12.45 17 1088 0.97 -42 163 2.03 NM <0.5 <5 32.8 NA 117 <0.08 21.2 <5 NA 5950 <5 8300 37.2 <10 NA 591 <0.1 898 NA CMW-02 03/05/2013 5.1 10.12 13 1278 1.03 172 377 1.48 NM <1 <1 27 NA 93 <1 18 <5 NA 422 <1 3180 42 <1 NA 630 <0.2 1100 NA CMW-02 06/04/2013 5.3 10.45 19 1289 0.6 123 328 9.87 NM <1 <1 31 NA 93 <1 20 <5 NA 3910 <1 5580 So <1 NA 630 <0.2 1100 NA CMW-02 10/08/2013 5.3 11.30 17 1113 0.53 134 339 6.38 NM <1 <1 24 NA 98 <1 19 <5 NA 1960 <1 2280 57 <1 NA 550 <0.2 930 NA CMW-o2 23/12/2014 5.3 7.01 14 1575 2.5 285 490 5.1 NM <1 <1 26 NA 115 <1 49 <5 NA 320 <1 3690 59 <1 NA 790 <0.2 1300 NA CMW-02 06/10/2014 5.4 10.20 19 1179 0.23 126 331 20 NM <1 <1 23 NA 90 <1 33 <5 NA 2230 <1 4440 52 <1 NA 530 <0.2 960 NA CMW-02 10/14/2014 5.2 11.24 19 904 0.37 153 358 3.84 NM <1 <1 21 NA 88 <1 22 <5 NA 1390 2.17 4700 59 <1 NA 440 <0.2 780 NA P:\Duke Energy Progress. 1026\103. Cape Fear Ash Basin GW Assessment\16.Corrective Acton Plan\Tables\Table 2-9 Surficial Exceedances.xlsx Page 1 of 4 TABLE 2-9 SURFICIAL GROUNDWATER EXCEEDANCES CAPE FEAR STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC, MONCURE, NC Analytical Parameter pH Water Level Temp Spec Coed DO ORP Eh Turbidity Ferrous Iron Antimony Arsenic Barium Beryllium Boron Cadmium Chloride Chromium Cobalt Iron Lead Manganese Nickel Selenium Strontium Sulfate Thallium Total Dissolved Solids Vanadium Reporting Units S.U. ft Deg C °os /cm mg/I mV mV NTU mg/I ug/I ug/I ug/I ug/I ug/I ug/I mg/I ug/I ug/I ug/I ug/I ug/I ug/I ug/I ug/I mg/I ug/1 mg/1 ug/I 15A NCAC 02L Standard 6.5-8.5 NE NE NE NE NE NE NE NE 1* SO 700 4* 700 2 250 10 1* 300 15 50 100 20 NE 250 0.2* 500 0.3* Provisional Background Concentration 6.0-6.3 NE NE NE NE NE NE NE NE NO 2.4 202 NO 140 NO 280 NO 21.1 45500 NO 4560 3.14 NO 758 80 ND 830 1.1 Sample ID Sample Collection Date Field Parameters Analytical Results CMW-02 03/04/2015 5.3 8.70 13 965 0.32 224 429 9.08 NM <1 <1 20 NA 71 <1 20 <5 NA 792 <1 6380 71 <1 NA 430 <0.2 770 NA CMW-02 06/09/2015 5.3 10.52 19 947 0.57 -43 162 1.9 NM <1 <1 23 <1 78 <1 28 <5 1.82 796 <1 6760 72 <1 NA 480 <0.2 780 NA CMW-03 12/15/2010 6.2 15.66 14 298 NM NM NM 8.1 NM <0.5 <5 47.7 NA 714 <0.08 11.9 <5 NA <50 <5 1220 <5 22.6 NA 114 <0.1 223 NA CMW-03 03/07/2011 6.1 15.52 13 341 3.52 107 312 0.75 NM <0.5 <5 51.7 b NA 678 <0.08 10.1 b <5 NA <50 <5 257 <5 41.2 NA 64 <0.1 231 b NA CMW-03 06/02/2011 6.0 15.64 17 352 0.84 -71 134 6.3 NM <0.5 <5 49.9 NA 761 0.25 9.3 <5 NA <50 <5 282 <5 39 NA 72.3 <0.1 221 NA CMW-03 10/10/2011 6.0 16.63 18 709 0.97 8 213 2.3 NM <0.5 <5 54.9 NA 1230 <0.08 12.1 <5 NA 153 <5 6160 <5 37.7 NA 182 <0.1 472 NA CMW-03 03/13/2012 6.3 15.66 15 515 1.29 -80 125 4.91 NM <0.5 <5 57.4 NA 1030 <0.08 11.6 <5 NA 602 b <5 1500 <5 36.8 NA 112 <0.1 304 NA CMW-03 06/11/2012 6.1 16.06 17 757 1.3 -100 105 4.44 NM <0.5 <5 59.7 NA 1070 0.089 12.6 <5 NA 1910 <5 3120 <5 27.6 NA 153 <0.1 396 NA CMW-03 10/16/2012 6.1 16.83 16 1047 1.09 10 215 8.93 NM <0.5 <5 46.4 NA 1260 0.1 17.7 <5 NA 453 <5 9750 <5 20.6 NA 388 <0.1 729 NA CMW-03 03/05/2013 6.0 16.01 14 1172 0.78 20 225 1.62 NM <1 <1 65 NA 1180 <1 15 <5 NA 124 <1 4670 <5 40.7 NA 250 <0.2 630 NA CMW-03 06/04/2013 6.1 15.70 17 1446 0.7 55 260 3.7 NM <1 <1 84 NA 1320 2.39 16 <5 NA 210 <1 3670 <5 12.1 NA 250 <0.2 600 NA CMW-03 10/08/2013 6.2 16.05 17 779 0.91 124 329 1.17 NM <1 <1 65 NA 1300 <1 17 <5 NA 95 <1 2360 <5 34.5 NA 220 <0.2 520 NA CMW-03 03/12/2014 6.0 13.64 14 693 2.7 194 399 0.9 NM <1 <1 66 NA 1020 <1 20 <5 NA 55 <1 1650 <5 66.6 NA 170 <0.2 380 NA CMW-03 06/10/2014 6.1 14.66 18 481 4.3 186 391 5.1 NM <1 <1 51 NA 815 <1 19 <5 NA 27 <1 959 <5 55.4 NA 130 <0.2 330 NA CMW-03 10/14/2014 5.9 16.02 19 572 1.07 194 399 1.56 NM <1 <1 44 NA 982 <1 25 <5 NA 24 <1 1810 <5 20.3 NA 140 <0.2 360 NA CMW-03 03/04/2015 6.2 14.70 12 851 0.82 74 279 2.51 NM <1 <1 53 NA 969 <1 34 <5 NA 129 <1 3200 <5 8.9 NA 170 <0.2 450 NA CMW-03 06/09/2015 6.1 14.98 19 442 2.74 31 236 1.54 NM <1 <1 55 <1 653 <1 36 <5 <1 55 <1 85 <5 46.8 NA 87 <0.2 250 NA CMW-05 12/16/2010 5.9 14.35 12 130 NM NM NM 42.7 NM <0.5 <5 69.1 NA 169 <0.08 10.6 <5 NA 1860 <5 217 <5 <10 NA 29.8 <0.1 193 NA CMW-05 03/07/2011 6.4 12.67 13 209 3.6 84 289 3.77 NM <0.5 <5 53.2 b NA 152 <0.08 10 b <5 NA 87.8 <5 232 <5 <10 NA 33.6 b <0.1 216 b NA CMW-05 06/03/2011 6.1 13.21 17 204 1.91 -55 151 53.1 NM <0.5 <5 65.9 NA 142 <0.08 10 <5 NA 2750 <5 211 <5 <10 NA 32.7 <0.1 190 NA CMW-05 10/10/2011 6.3 16.08 20 242 1.51 -1 204 18 NM <0.5 <5 63.3 NA 120 <0.08 10.7 <5 NA 1960 <5 182 <5 <10 NA 25.9 <0.1 200 NA CMW-05 03/12/2012 6.6 12.15 17 226 3.47 -59 146 93.9 NM <0.5 <5 65.2 NA 187 <0.08 10 <5 NA 3360 <5 94 <5 <10 NA 30.6 <0.1 181 NA CMW-05 06/11/2012 6.4 14.14 19 260 2.63 -29 176 20.4 NM <0.5 <5 59 NA 180 <0.08 10.7 <5 NA 834 <5 57.4 <5 <10 NA 35.2 <0.1 197 NA CMW-05 10/15/2012 6.3 16.73 19 239 2.11 131 336 13.5 NM <0.5 <5 58.7 NA 143 0.1 10 <5 NA 1530 <5 41.8 <5 <10 NA 32.5 <0.1 218 NA CMW-05 03/05/2013 6.1 13.04 12 221 4.03 139 344 9.07 NM <1 <1 55 NA 246 <1 8.1 <5 NA 316 <1 15 <5 <1 NA 32 <0.2 200 NA CMW-05 06/03/2013 6.0 13.38 19 251 2.85 201 406 8.55 NM <1 <1 64 NA 249 <1 10 <5 NA 362 <1 21 <5 <1 NA 38 <0.2 210 NA CMW-05 10/08/2013 6.3 15.25 16 281 0.97 246 451 46.3 NM <1 <1 70 NA 151 <1 11 <5 NA 2910 1.22 46 <5 <1 NA 34 <0.2 330 NA CMW-05 06/09/2014 6.2 14.43 19 193 2.2 186 391 52 NM <1 <1 54 NA 165 <1 9.6 <5 NA 2800 1.22 40 <5 <1 NA 29 <0.2 210 NA CMW-05 10/13/2014 5.9 16.56 20 222 0.94 219 424 142 NM <1 <1 81 NA 283 <1 9.8 6 NA 5650 2.53 96 <5 <1 NA 36 <0.2 60 NA CMW-05 03/04/2015 6.1 11.90 15 230 3.77 89 294 35.6 NM <1 <1 72 NA 359 <1 10 <5 NA 2650 1.2 34 <5 <1 NA 43 <0.2 240 NA CMW-06 12/15/2010 6.7 3.95 13 529 NM NM NM 8.91 NM <0.5 <5 18.1 NA 704 <0.08 37.3 <5 NA 696 <5 178 <5 <10 NA 181 <0.1 419 NA CMW-06 03/08/2011 6.9 3.78 9 774 1.97 87 292 1.35 NM <0.5 <5 17.6 b NA 492 0.58 39.9 <5 NA <50 <5 195 <5 <10 NA 169 <0.1 508 NA CMW-06 DUP 03/08/2011 6.9 3.78 9 774 1.97 87 292 1.35 NM <0.5 <5 17.7 b NA 499 0.38 44.5 <5 NA <50 <5 194 <5 <10 NA 173 <0.1 511 NA CMW-06 06/02/2011 6.8 3.92 19 700 0.39 -72 133 1.93 NM <0.5 <5 15.1 NA 624 <0.08 39.7 <5 NA <50 <5 179 <5 <10 NA 194 <0.1 424 NA CMW-06 10/11/2011 7.0 4.19 19 586 2.06 45 250 1.46 NM <0.5 <5 14.4 NA 874 <0.08 31 <5 NA 98.8 <5 135 <5 <10 NA 14.9 <0.1 396 NA CMW-06 03/13/2012 7.1 3.99 15 582 1.25 -61 144 1.75 NM <0.5 <5 14.8 NA 780 <0.08 35.5 <5 NA 95 b <5 17.6 <5 <10 NA 181 <0.1 411 NA CMW-06 06/12/2012 6.7 4.44 19 800 0.92 -37 168 2.46 NM <0.5 <5 21.8 NA 722 <0.08 49.1 <5 NA 91.9 <5 362 <5 <10 NA 210 <0.1 509 NA CMW-06 10/15/2012 7.0 4.65 19 628 0.57 53 258 4.9 NM <0.5 <5 14.5 NA 1010 <0.08 32.2 <5 NA 202 <5 46.7 <5 <10 NA 139 <0.1 375 NA CMW-06 03/04/2013 7.0 3.66 12 646 1.55 100 305 1.75 NM <1 <1 14 NA 825 <1 28 <5 NA 54 <1 29 <5 <1 NA 160 <0.2 410 NA CMW-06 06/03/2013 6.7 3.99 18 615 0.7 183 388 2.26 NM <1 <1 16 NA 1040 <1 31 <5 NA 84 <1 58 <5 <1 NA 170 <0.2 390 NA CMW-06 10/08/2013 7.1 4.17 18 627 0.38 191 396 2.87 NM <1 <1 13 NA 1100 <1 30 <5 NA 69 <1 29 <5 <1 NA 160 <0.2 410 NA CMW-06 03/13/2014 6.9 3.78 11 581 0.7 48 253 0.5 NM <1 <1 12 NA 1320 <1 30 <5 NA 24 <1 27 <5 <1 NA 150 <0.2 380 NA CMW-06 06/10/2014 6.8 4.76 17 578 0.2 7 212 4.2 NM <1 <1 12 NA 1390 <1 27 <5 NA 104 <1 37 <5 <1 NA 140 <0.2 370 NA CMW-06 10/13/2014 6.7 4.95 20 584 0.32 -21 184 1.11 NM <1 <1 11 NA 1210 <1 30 <5 NA 152 <1 34 <5 <1 NA 150 <0.2 390 NA CMW-06 CUP 10/13/2014 6.7 4.95 20 584 0.32 -21 184 1.11 NM <1 <1 11 NA 1290 <1 30 <5 NA 152 <1 37 <5 <1 NA 150 <0.2 390 NA CMW-06 03/04/2015 6.2 4.09 15 462 0.26 9 214 44.4 NM <1 <1 21 NA 413 <1 23 <5 NA 5050 <1 908 <5 <1 NA 110 <0.2 330 NA CMW-06 06/09/2015 6.7 4.94 18 623 0.3 -189 16 6.27 NM <1 <1 18 <1 1560 <1 16 <5 1.14 556 <1 204 <5 <1 NA 160 <0.2 380 NA CMW-07 12/17/2010 6.6 21.25 13 445 NM NM NM 1.63 NM <0.5 <5 55.8 NA 375 <0.08 34.7 <5 NA 8470 <5 5480 <5 <10 NA 103 <0.1 303 NA CMW-07 03/08/2011 6.6 21.21 15 527 0.86 -3 202 7.44 NM <0.5 <5 53.9 b NA 397 <0.08 35.5 b <5 NA 1840 <5 4850 <5 <10 NA 96.2 <0.1 364 b NA CMW-07 06/02/2011 6.6 21.08 17 494 0.55 -75 131 7.01 NM <0.5 <5 40.7 NA 321 <0.08 32.8 <5 NA 9250 <5 5270 <5 <10 NA 87.9 <0.1 282 NA CMW-07 10/11/2011 6.6 23.43 18 491 0.87 -70 135 4.48 NM <0.5 <5 45.8 NA 380 <0.08 35.3 <5 NA 9920 <5 5600 <5 <10 NA 16.4 <0.1 285 NA CMW-07 CUP 10/11/2011 6.6 23.43 18 491 0.87 -70 135 4.48 NM <0.5 <5 43.9 NA 370 <0.08 35.8 <5 NA 9180 <5 5640 <5 <10 NA 17.9 <0.1 279 NA CMW-07 03/13/2012 6.6 22.99 18 463 0.48 -68 137 8 NM <0.5 <5 44.4 NA 403 <0.08 37.1 <5 NA 8730 <5 4550 <5 <10 NA 1 73.4 <0.1 1 255 NA CMW-07 06/12/2012 6.7 22.54 18 566 1.03 -74 131 18.2 NM <0.5 <5 53 NA 361 <0.08 38.7 <5 NA 13200 <5 6030 <5 <10 NA 99.2 <0.1 327 NA CMW-07 10/15/2012 6.7 22.92 18 581 0.5 -90 115 8.97 NM <0.5 <5 60.9 NA 412 <0.08 45.2 <5 NA 12500 <5 6300 <5 <10 NA 117 <0.1 333 NA CMW-07 03/04/2013 6.6 1 22.18 14 569 0.27 -61 144 22.8 NM <1 1.69 55 NA 370 <1 39 <5 NA 12400 <1 5800 <5 <1 NA 88 <0.2 340 NA CMW-07 06/03/2013 6.5 22.64 19 578 0.73 -103 102 47.9 NM <1 1.88 57 NA 369 <1 45 <5 NA 16000 <1 6380 <5 <1 NA 110 <0.2 330 NA CMW-07 10/09/2013 6.8 23.15 17 742 0.2 -63 142 17.5 NM <1 1.47 77 NA 404 <1 46 <5 NA 19200 <1 9040 <5 <1 NA 170 <0.2 440 NA CMW-07 63/13/2014 5.1 21.43 10 72 1.4 309 514 14 NM <1 <1 58 NA <50 <1 4.9 <5 NA 817 <1 655 <5 <1 NA 10 <0.2 79 NA CMW-07 10/14/2014 6.4 23.76 19 630 0.22 -79 127 3.51 NM <1 1.24 66 NA 382 <1 44 <5 NA 18700 <1 8510 <5 <1 NA 130 <0.2 360 NA P:\Duke Energy Progress. 1026\103. Cape Fear Ash Basin GW Assessment\16.Corrective Acton Plan\Tables\Table 2-9 Surficial Exceedances.xlsx Page 2 of 4 TABLE 2-9 SURFICIAL GROUNDWATER EXCEEDANCES CAPE FEAR STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC, MONCURE, NC Analytical Parameter pH Water Level Temp Spec Coed DO ORP Eh Turbidity Ferrous Iron Antimony Arsenic Barium Beryllium Boron Cadmium Chloride Chromium Cobalt Iron Lead Manganese Nickel Selenium Strontium Sulfate Thallium Total Dissolved Solids Vanadium Reporting Units S.U. ft Deg C °os /cm mg/I mV mV NTU mg/I ug/I ug/I ug/I ug/I ug/I ug/I mg/I ug/I ug/I ug/I ug/I ug/I ug/I ug/I ug/I mg/I ug/1 mg/1 ug/I 15A NCAC 02L Standard 6.5-8.5 NE NE NE NE NE NE NE NE 1* SO 700 4* 700 2 250 10 1* 300 15 50 100 20 NE 250 0.2* 500 0.3* Provisional Background Concentration 6.0-6.3 NE NE NE NE NE NE NE NE NO 2.4 202 NO 140 NO 280 NO 21.1 45500 NO 4560 3.14 NO 758 80 ND 830 1.1 Sample ID Sample Collection Date Field Parameters Analytical Results CMW-07 03/04/2015 5.1 21.62 17 67 0.16 139 344 29 NM <1 <1 59 NA <50 <1 3.2 <5 NA 2460 <1 770 <5 <1 NA 10 <0.2 67 NA CMW-07 06/09/2015 5.6 23.54 19 282 0.38 -131 75 9.1 NM <1 1.1 162 <1 98 <1 22 <5 16.5 10300 <1 2210 <5 <1 NA 72 <0.2 180 NA CMW-08 12/17/2010 6.5 7.71 14 532 NM NM NM 38 NM <0.5 <5 198 NA 1070 0.26 15.8 <5 NA 35200 <5 9770 <5 <10 NA 129 <0.1 381 NA CMW-08 03/08/2011 6.5 7.05 15 702 0.7 -112 93 8.4 NM <0.5 <5 195 NA 1300 <0.08 14.6 b <5 NA 41300 <5 18000 <5 <10 NA 109 <0.1 435 b NA CMW-08 06/02/2011 6.3 8.69 21 597 0.92 -76 129 11.6 NM <0.5 <5 165 NA 1210 <0.08 14.2 <5 NA 22700 <5 12600 <5 <10 NA 128 <0.1 366 NA CMW-08 CUP 06/02/2011 6.3 8.69 21 597 0.92 -76 129 11.6 NM <0.5 <5 170 NA 1160 <0.08 14.5 <5 NA 23100 <5 13100 <5 <10 NA 122 <0.1 382 NA CMW-08 10/10/2011 6.2 9.12 1 20 1 593 1.1 1 -47 1 158 17.9 1 NM <0.5 1 <5 153 1 NA 1250 1 <0.08 14.8 1 <5 NA 1 27900 <5 1 9910 <5 1 <10 NA 28 <0.1 365 1 NA CMW-08 03/13/2012 6.4 7.14 17 589 0.37 -113 92 23.9 NM <0.5 <5 203 NA 1320 <0.08 13.8 <5 NA 38600 <5 15300 <5 <10 NA 102 <0.1 408 NA CMW-08 06/12/2012 6.3 8.99 19 674 1.36 -95 110 17.2 NM <0.5 <5 192 NA 1300 <0.08 14.6 <5 NA 42400 <5 12700 <5 <10 NA 124 <0.1 418 NA CMW-08 10/16/2012 6.4 9.37 19 662 0.6 -90 115 16.1 NM <0.5 <5 188 NA 1340 <0.08 14.6 <5 NA 39000 <5 9820 <5 <10 NA 166 <0.1 401 NA CMW-08 03/05/2013 6.1 7.60 13 744 0.26 -99 106 23.2 NM <1 <1 227 NA 1240 <1 11 <5 NA 52700 <1 14400 6 <1 NA 110 <0.2 440 NA CMW-08 06/04/2013 6.3 8.98 19 731 0.46 -79 126 7.8 NM <1 <1 225 NA 1350 <1 12 <5 NA 49900 <1 14400 <5 <1 NA 120 <0.2 470 NA CMW-08 10/08/2013 6.3 9.30 18 649 0.23 -52 153 9.85 NM <1 <1 151 NA 1210 <1 14 <5 NA 26100 <1 10100 <5 <1 I NA 130 <0.2 410 NA CMW-08 03/12/2014 6.4 6.24 1 14 1 728 0.5 -65 140 18 NM <1 <1 224 NA 1260 <1 13 <5 NA 50400 <1 15700 7 <1 NA 130 <0.2 430 NA CMW-08 06/10/2014 6.3 8.82 18 674 0.4 -69 136 9 NM <1 <1 201 NA 1160 <1 13 <5 NA 41800 <1 12500 6 <1 NA 130 <0.2 470 NA CMW-08 10/14/2014 6.0 9.17 20 604 0.21 -69 137 8.33 NM <1 <1 149 NA 1190 <1 14 <5 NA 27800 <1 9920 5 <1 NA 130 <0.2 380 NA CMW-08 03/04/2015 6.4 6.68 15 724 0.16 -84 122 63.7 NM <1 <1 221 NA 1250 <1 14 <5 NA 49200 <1 13400 6 <1 NA 130 <0.2 430 NA CMW-08 06/09/2015 6.3 8.92 23 694 0.29 -85 120 22 NM <1 <1 209 <1 1300 <1 14 <5 3.89 41800 <1 13000 <5 <1 NA 47 <0.2 400 NA MW-10 (Geosyntec) 09/06/2013 5.6 NM 18 872 0.24 19 NM 80.73 NM <0.34 0.64j 75.4 NA 978 <0.23 21.2 2.6j NA 3230 0.73j 9680 5.5j <0.5 NA 590 <0.15 944 NA MW-10 07/01/2015 5.8 13.36 18 1360 0.28 -114 91 3.01 2 <1 <1 29 <1 922 <1 23 <1 21 2800 <1 12500 3.55 <1 1460 610 <0.2 1100 0.366 MW-10 09/02/2015 5.8 13.95 20 1359 0.73 7 212 1.25 1 0.5 <1 I <1 28 1 <1 987 <1 23 <1 20.5 740 <1 13100 3.47 <1 1480 1200 <0.2 1100 1 0.342 MW-11 (Geosyntec) 09/03/2013 6.1 13.76 20 389 0.31 -3 NM 8.36 NM <0.34 0.91j 104 NA 21.3j <0.23 24.4 1.9j NA 1760 0.13j 2410 6.6j <0.5 NA 215 <0.15 517 NA MW-119 (Geosyntec) 09/03/2013 NM NM NM NM NM NM NM NM NM <0.34 0.98j 103 NA 21.5j <0.23 25.1 <1.6 NA 1780 0.13j 2300 5.8j <0.5 NA 229 <0.15 512 NA MW-11 07/01/2015 6.2 13.34 21 815 0.18 -148 57 4.65 2 <1 <1 59 <1 <50 <1 22 <1 1.03 3810 <1 912 4.23 <1 535 200 <0.2 550 0.867 MW-12 (Geosyntec) 09/04/2013 6.6 NM 21 546 0.12 -52 NM 34.64 NM 0.34j 1.7j 66.5 NA 568 <0.23 53.4 <1.6 NA 1570 0.21j 2690 <1.5 <0.5 NA 268 <0.15 671 NA MW-12 06/30/2015 6.7 12.46 22 12 0.24 -165 41 2.1 0.5 <1 <1 55 <1 448 <1 59 <1 2.43 456 <1 843 <1 <1 257 260 <0.2 740 <0.3 MW-13 (Geosyntec) 09/03/2013 5.7 11.54 20 157 0.09 71 NM 4.13 NM <0.34 <0.42 86 NA 171 <0.23 31.6 <1.6 NA 154j <0.085 582 5.2j <0.5 NA 94 <0.15 234 NA MW-139 (Geosyntec) 09/03/2013 NM NM NM NM NM NM NM NM NM <0.34 1 <0.42 84.3 NA 162 <0.23 31.6 <1.6 NA 141j <0.085 578 4.5j <0.5 NA 90.2 <0.15 244 NA MW-13 06/29/2015 5.8 11.64 18 432 0.33 136 341 2.88 0.5 <1 <1 102 <1 319 <1 28 <1 1.46 248 <1 820 3.31 <1 223 91 0.297 270 1.07 MW-17SL 03/19/2015 6.0 7.23 14 1189 0.29 -50 155 4.76 6.5 <1 <1 126 <1 <50 <1 17 <1 6.76 175000 <1 7380 1.58 <1 389 570 <0.2 900 0.919 MW-17SL 09/01/2015 5.8 10.41 18 762 0.2 -66 139 1 2.5 <1 <1 80 <1 <50 <1 12 <1 <1 68400 <1 5750 <1 <1 437 290 <0.2 580 0.667 MW-17SU 03/19/2015 5.0 8.15 13 1129 0.33 63 268 4.46 2.5 <1 <1 42 1.3 <50 <1 38 <1 241 2620 <1 45500 59 <1 801 710 <0.2 910 0.381 MW-17SU 09/01/2015 5.1 10.99 21 1183 0.1 4 209 1 4 <1 1.06 40 1.37 <50 <1 37 <1 244 12400 <1 54400 53.5 <1 786 620 <0.2 960 2.79 MW-185 06/03/2015 7.1 5.00 17 725 1.68 -10 195 2.99 NM <1 <1 10 <1 180 <1 29 <1 <1 288 <1 137 <1 <1 93 180 <0.2 450 1.63 MW-18S 09/01/2015 6.8 4.36 22 839 1 0.34 -24 181 6.13 0.5 <1 <1 13 <1 133 <1 37 <1 3.94 466 <1 1320 1.25 <1 90 190 <0.2 490 0.496 MW-195 03/11/2015 5.3 4.50 15 66 7.05 164 369 19.6 0 <1 <1 47 <1 <50 <1 15 <1 <1 486 <1 27 <1 <1 37 2.6 1 <0.2 54 0.81 MW-20S 05/21/2015 6.3 9.86 16 474 0.14 -24 181 4.98 NM <1 <1 163 <1 <50 <1 29 <1 <1 4270 <1 1210 <1 <1 263 52 <0.2 320 1.03 MW-20S 09/01/2015 6.3 14.02 18 691 0.37 -130 75 1.95 1.5 <1 <1 163 <1 <50 <1 32 <1 <1 5270 <1 1250 <1 <1 282 56 <0.2 340 0.648 MW-21SL 05/07/2015 5.7 10.03 17 1476 0.22 80 285 1.24 NM <1 <1 30 <1 60 <1 23 <1 18.7 731 <1 1 2430 7.9 <1 627 930 <0.2 1300 0.313 MW-21SL 09/01/2015 5.8 13.58 24 1483 3.2 28 233 2 1.5 <1 <1 25 <1 135 <1 23 7.12 8.98 1 1740 <1 2080 10.6 <1 617 810 <0.2 1300 0.532 MW-21SU 05/07/2015 4.1 10.21 22 497 3.96 155 360 2.51 NM <1 4.15 27 8.94 <50 <1 5.5 <1 180 181 <1 9720 49.1 1.98 526 300 0.335 360 <0.3 MW-21SU 09/01/2015 4.1 12.99 24 526 3.1 427 632 2 0.25 <1 1 2.03 21 8.73 <50 <1 5.8 <1 167 238 <1 9960 45.4 1.01 522 340 <0.2 400 <0.3 PZ-01 (Toepfer) 03/07/2007 6.3 1.71 62 1280 NM NM NM NM NM <0.58 <2 38.6 <0.7 394 <0.5 18 <2 NA 14500 <2 9550 9.6 <2 NA 420 <0.044 890 NA PZ-01 (Toepfer) 12/19/2007 6.2 3.56 63 997 NM NM NM NM NM 0.55 1.1 33.6 0.062 381 0.066 21.2 0.11 NA 23500 0.38 5350 7.1 0.66 NA 448 0.12 815 NA PZ-01 (Toepfer) 04/30/2008 6.4 3.05 61 952 NM NM NM NM NM 0.83 0.96 66.1 0.34 473 0.12 23.9 3.6 NA 46600 2.7 4300 6.4 1.8 NA 434 <0.068 960 NA PZ-01 (Toepfer) 12/08/2008 6.3 3.01 60 619 NM NM NM NM NM 0.17 1.6 57.9 0.21 576 0.1 22 3 NA 42400 2 4880 8.2 3.2 NA 360 0.027 787 NA PZ-01 (Toepfer) 06/03/2009 5.3 3.76 65 779 NM NM NM NM NM 2.1 <1 39 <1 586 <1 25 8.7 NA 30200 <1 3050 9.4 <5 NA 390 <1 920 NA PZ-01 (Toepfer) 10/19/2009 6.0 3.80 65 905 NM NM NM NM NM 3.7 <1 31.7 <1 660 <1 20 <2 NA 27100 <1 4250 4.4 <5 NA 320 <1 787 NA PZ-01(Toepfer) 04/22/2010 6.3 3.45 60 799 NM NM NM NM NM <10 I <10 42 <4 590 <2 21 <5 NA 28000 14 4100 <40 <10 NA 350 <50 360 NA PZ-01 (Geosyntec) 09/10/2013 6.2 4.25 21 708 0.1 -23 NM 17 NM <0.34 0.46j 31 NA 657 0.97 21.7 <1.6 NA 17200 0.098j 4270 5.4j <0.5 NA 290 <0.15 659 NA PZ-01 08/06/2015 6.1 4.88 22 881 0.15 -35 170 8.1 NM <1 <1 30 <1 650 <1 19 <1 4.35 14700 <1 4250 4.46 <1 273 260 <0.2 650 0.604 PZ-02 (Toepfer) 03/07/2007 7.4 4.85 60 940 NM NM NM NM NM <0.58 <2 34 <0.7 5240 <0.5 18 <2 NA 411 <2 4440 3.1 <2 NA 290 <0.044 600 NA PZ-02 (Toepfer) 12/19/2007 6.4 4.53 60 662 NM NM NM NM NM <0.3 0.77 27.9 <0.051 4620 0.081 1 20.2 <0.059 NA 555 0.048 1 3310 4.2 0.7 NA 267 0.046 550 NA PZ-02 (Toepfer) 04/30/2008 7.7 4.76 58 629 NM NM NM NM NM <0.4 2.1 32 0.12 4380 0.073 25.3 0.49 NA 10200 1.4 3180 4 2.6 NA 289 <0.068 685 NA PZ-02 (Toepfer) 12/08/2008 6.7 4.53 60 508 NM NM NM NM NM <0.017 1.6 27.9 <0.051 1 4740 <0.028 22 0.5 NA 954 0.082 2740 4.9 4.9 NA 230 <0.011 534 NA PZ-02(Toepfer) 06/03/2009 5.6 5.13 66 671 NM NM NM NM NM <2 <1 25.7 <1 4610 <1 24 <2 NA 1510 <1 2520 4 <5 NA 240 <1 663 NA PZ-02(Toepfer) 10/19/2009 6.3 4.90 65 605 NM NM NM NM NM <2 <1 25.7 <1 4560 <1 21 <2 NA 1330 <1 2460 4 <5 NA 210 <1 528 NA PZ-02(Toepfer) 04/22/2010 6.6 5.05 59 540 NM NM NM NM NM <10 <10 <25 <4 4300 <2 22 <5 NA 1100 <10 2400 <40 <10 NA 220 <50 53 NA PZ-02 (Geosyntec) 09/04/2013 6.3 NM 19 472 0.36 -54 NM 897 NM <0.34 0.51j 26.3 NA 3810 <0.23 21.1 1.6j NA 881 <0.085 2580 3.6j <0.5 NA 187 <0.15 426 NA PZ-02 08/06/2015 6.3 6.33 21 632 0.33 SS 260 4.08 NM <1 <1 53 <1 3830 <1 19 <1 8.24 1140 <1 2440 8.58 <1 319 180 <0.2 430 1.66 P:\Duke Energy Progress. 1026\103. Cape Fear Ash Basin GW Assessment\16.Corrective Acton Plan\Tables\Table 2-9 Surficial Exceedances.xlsx Page 3 of 4 TABLE 2-9 SURFICIAL GROUNDWATER EXCEEDANCES CAPE FEAR STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC, MONCURE, NC Analytical Parameter pH Water Level Temp Spec Coed DO ORP Eh Turbidity Ferrous Iron Antimony Arsenic Barium Beryllium Boron Cadmium Chloride Chromium Cobalt Iron Lead Manganese Nickel Selenium Strontium Sulfate Thallium Total Dissolved Solids Vanadium Reporting Units S.U. fit Deg C °os /cm mg/I mV mV NTU mg/I ug/I ug/I ug/I ug/I ug/I ug/I mg/I ug/I ug/I ug/I ug/I ug/I ug/I ug/I ug/I mg/I ug/1 mg/1 ug/I 15A NCAC 02L Standard 6.5-8.5 NE NE NE NE NE NE NE NE 1* SO 700 4* 700 2 250 10 1* 300 15 50 100 20 NE 250 0.2* 500 0.3* Provisional Background Concentration 6.0-6.3 NE NE NE NE NE NE NE NE NO 2.4 202 NO 140 NO 280 NO 21.1 45500 NO 4560 3.14 NO 758 80 ND 830 1.1 Sample ID Sample Collection Date Field Parameters Analytical Results PZ-02 CUP 08/06/2015 6.3 6.33 21 632 0.33 55 260 4.08 NM <1 <1 53 <1 3830 <1 19 <1 7.8 763 <1 2440 6.02 <1 322 180 <0.2 450 1.27 PZ-02 09/02/2015 6.4 6.27 23 662 0.5 51 256 4 0.25 <1 <1 53 <1 4320 <1 20 <1 8.43 586 <1 2600 3.63 <1 340 200 <0.2 460 0.982 PZ-03S(Toepfer) 03/07/2007 7.9 2.68 55 799 NM NM NM NM NM <0.58 <2 27.7 <0.7 1350 <0.5 45 <2 NA 2630 <2 114 <2 <2 NA 170 <0.044 510 NA PZ-03S (Toepfer) 12/19/2007 7.7 3.15 60 676 NM NM NM NM NM <0.3 0.88 13.4 <0.051 1280 0.11 54.8 <0.059 NA 87.2 0.09 60.1 3.9 0.84 NA 177 0.011 510 NA PZ-03S (Toepfer) 04/30/2008 7.8 2.76 58 657 NM NM NM NM NM <0.4 0.82 11.7 <0.086 1160 0.026 55.2 0.18 NA 70.2 0.074 95.2 0.59 3.1 NA 183 <0.068 515 NA PZ-03S (Toepfer) 12/08/2008 7.8 2.82 58 521 NM NM NM NM NM <0.017 1.8 13.7 <0.051 1420 <0.028 45 0.48 NA 331 0.17 46 1.3 5.8 NA 160 <0.011 502 NA PZ-03S(Toepfer) 06/03/2009 6.9 3.16 70 1 789 NM NM NM NM NM <2 1 <1 10.9 1 <1 1360 1 <1 56 1 <2 NA I <100 <1 1 49.5 <1 1 5 NA 180 1 <1 519 NA PZ-03S (Toepfer) 10/19/2009 7.6 3.53 67 708 NM NM NM NM NM <2 <1 11.3 <1 1510 <1 52 <2 NA <100 <1 33.2 1.1 <5 NA 170 <1 510 NA PZ-03S(Toepfer) 04/22/2010 7.8 2.80 58 631 NM NM NM NM NM <10 <10 <25 <4 1400 <2 54 <5 NA 180 <10 56 <40 <10 NA 180 <50 32 NA PZ-03S (Geosyntec) 09/04/2013 7.6 NM 22 609 0.08 -56 NM 3 NM <0.34 <0.42 11.1 NA 2430 <0.23 53.2 <1.6 NA 107j <0.085 32.8 <1.5 <0.5 NA 182 <0.15 547 NA PZ-03S 08/05/2015 7.4 5.84 23 918 0.18 67 272 4.96 NM <1 <1 15 <1 2440 <1 67 <1 <1 255 <1 182 <1 <1 196 170 <0.2 590 1.97 PZ-04 (Toepfer) 03/07/2007 7.2 7.81 58 1350 NM NM NM NM NM <0.58 <2 27.5 <0.7 70.8 <0.5 110 <2 NA 881 <2 117 <2 3.1 NA 260 <0.044 840 NA PZ-04 (Toepfer) 12/19/2007 7.0 8.16 61 871 NM NM NM NM NM <0.3 0.76 19.1 <0.051 254 0.12 86.1 <0.059 NA 274 0.071 57.3 1 0.93 NA 218 0.009 643 NA PZ-04 (Toepfer) 04/30/2008 7.6 8.12 58 724 NM NM NM NM NM <0.4 0.85 19.3 <0.086 1090 0.051 72.6 0.41 NA 677 0.22 33.5 1.1 4.4 NA 207 <0.068 584 NA PZ-04 (Toepfer) 12/08/2008 6.9 8.14 58 548 NM NM NM NM NM <0.017 1 2.2 24.5 1 <0.051 1280 <0.028 68 0.58 NA 695 1 0.27 46.3 2.3 7.8 NA 180 <0.011 574 1 NA PZ-04 (Toepfer) 06/03/2009 5.8 8.51 63 788 NM NM NM NM NM <2 <1 31.9 <1 1530 1.4 68 2.3 NA 1450 1.6 71.4 2.5 5.8 NA 190 <1 670 NA PZ-04 (Toepfer) 10/19/2009 6.7 8.69 62 743 NM NM NM NM NM <2 <1 22.7 <1 1500 <1 70 2.5 NA 566 <1 61.7 1.7 <5 NA 190 <1 598 NA PZ-04(Toepfer) 04/22/2010 7.0 8.31 56 606 NM NM NM NM NM <10 <10 <25 <4 1800 <2 54 <5 NA 410 <10 75 <40 <10 NA 180 <50 56 NA PZ-04 (Geosyntec) 09/06/2013 6.7 NM 19 544 0.16 -2 NM 1.86 NM <0.34 <0.42 21.1 NA 2080 <0.23 57 <1.6 NA 46.4j <0.085 111 <1.5 <0.5 NA 170 <0.15 475 NA PZ-04 08/05/2015 6.4 9.33 22 747 0.34 -85 120 4.96 NM <1 <1 36 <1 1440 <1 55 <1 1.31 1290 <1 519 9.7 <1 341 150 <0.2 470 0.979 PZ-05 (Toepfer) 03/07/2007 6.2 1 0.72 56 769 NM NM NM NM NM 1 <0.58 <2 777 0.9 3500 <0.5 24 101 1 NA 114000 53.3 5140 84.8 <2 NA 280 0.478 570 NA PZ-05 (Toepfer) 12/19/2007 5.8 0.50 59 612 NM NM NM NM NM <0.3 0.81 27.1 <0.051 3660 0.23 1 25.1 <0.059 NA 144 0.076 1640 8.7 1.1 NA 288 0.014 514 NA PZ-05 (Toepfer) 04/30/2008 6.9 0.32 60 628 NM NM NM NM NM <0.4 0.81 26.1 <0.086 3600 0.057 28.3 0.16 NA 100 0.079 1920 8.9 3.7 NA 318 <0.068 743 NA PZ-05 (Toepfer) 12/08/2008 6.1 0.21 56 479 NM NM NM NM NM <0.017 2 28.8 0.06 4340 0.082 26 0.61 NA 354 0.26 2140 10.4 7.1 NA 300 <0.011 550 NA PZ-05(Toepfer) 06/03/2009 5.3 0.20 68 721 NM NM NM NM NM <2 <1 24.2 <1 4540 <1 29 <2 NA <100 <1 2160 7.3 5.9 1 NA 340 <1 757 NA PZ-05(Toepfer) 10/19/2009 6.0 0.40 67 663 NM NM NM NM NM <2 <1 25.8 <1 4860 <1 24 2.3 NA <100 <1 2280 7.8 <5 NA 290 <1 615 NA PZ-05(Toepfer) 04/22/2010 6.1 0.50 59 564 NM NM NM NM NM <10 <10 <25 <4 4100 <2 25 <5 NA <100 <10 2600 <40 <10 NA 290 <50 32 NA PZ-05 (Geosyntec) 09/10/2013 5.8 1.24 23 511 0.03 70 NM 6.4 NM <0.34 <0.42 23.6 1 NA 4860 0.23 j 33 <1.6 NA 227 0.12 j 2390 7.4 j <0.5 NA 269 <0.15 1 493 NA PZ-05 08/05/2015 5.4 2.13 24 692 1 0.68 1 214 419 4.1 NM <1 <1 26 <1 4910 <1 28 <1 8.24 200 <1 2990 6.53 <1 358 270 <0.2 510 0.535 PZ-09 (Geosyntec) 09/05/2013 2.1 8.22 18 NM 0.33 128 NM 4.52 NM <0.34 0.65 j 160 NA <8.4 <0.23 32.5 <1.6 NA 920 1.4 257 21.9 <0.5 NA 5.4 <0.15 87 NA PZ-09 08/06/2015 4.6 12.10 19 358 0.2 370 575 13 NM <1 <1 44 <1 103 <1 29 1.91 28.4 1170 <1 627 41.9 96.1 671 110 0.574 240 0.811 Prepared by: BER Checked by: CIS Notes: 0 - Concentrations are greater than 2L or IMAC and maximum concentration from background data set - concentrations are less than appropriate comparative value (2L, IMAC, or Provisional background) * - Interim Maximum Allowable Concentrations (IMACs) of the 15A NCAC 02L Standard, Appendix 1, April, 1, 2013. < = concentration not detected at or above reporting limit ug/I = microgram per liter Deg C = Degree Celsius Temp = Temperature mg/I = milligrams per liter it = feet NO = Not detected above reporting limit umhos/cm = micro mhos per centimeter DO = Dissolved Oxygen NM = Not measured NTU = nephelometric turbidity unit ORP = Oxidation Reduction Potential NA = Not analyzed S.U. = Standard Unit Spec Cord = Specific Conductance NE = Not established my = millivolts Eh = Redox potential j = indicates concentration reported below Practical Quantitation Limit (PQL), but above Method Detection Limit (MDL) and therefore concentration is estimated b = data flagged due to a detection in the field blank N1 - Sample inadvertently collected with sample running through the flow cell and should be considered invalid based on possible contamination from the flow cell P:\Duke Energy Progress. 1026\103. Cape Fear Ash Basin GW Assessment\16.Corrective Acton Plan\Tables\Table 2-9 Surficial Exceedances.xlsx Page 4 of 4 TABLE 2-10 BEDROCK GROUNDWATER EXCEEDANCES CAPE FEAR STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC, MONCURE, NC Analytical Par —Ins Reporting Unit: 13A NCAC 02L Standen Provisional Background Concentratim Sample ID Sample Collection Date BACKGROUND ANALYTICAL RESULTS BGTMW-04 1211512010 BGTMW-04 1011012011 BGTMW-04 0311212012 BGTMW-04 0611112012 BGTMW-04 1011512012 BGTMW-04 0310512013 BGTMW-04 0610312013 BGTMW-04 1010812013 BGTMW-04 (Geosyntec) 0910412013 BGTMW-04 0311112014 BGTMW-04 1011312014 BGTMW-04 0310412015 BGTMW-04 06/08/2015 MW-9 (Geosyntec) 0910912013 MW-09 06/30/2015 MW-09 09/01/2015 MW-09BR 05/30/2015 MW-09BR 09/01/2015 MW-15BR 06/O1/2015 MW-15811 06/30/2015 MW-15BR 09/01/2015 MW-166R 05/20/2015 MW-16BR 09/01/2015 ANALYTICAL RESULTS ABMW-01BR 05/08/2015 ABMW-01BR OS/31/2015 ABMW-0313R 05/19/2015 ABMW-03BR 09/01/2015 ABMW-058R 05/19/2015 ABMW-05BR 09/O1/2015 CTMW-01 12/17/2010 CTMW-ol 03/OS/2011 CTMW-01 06/02/2011 CTMW-01 10/11/2011 CTMW-01 03/12/2012 CTMW-01 06/12/2012 UMW-ol 10/15/2012 CTMW-01 03/04/2013 CTMW-01 DUP 03/04/2013 UMW-01 .61.311.13 CTMW-01 10/09/2013 CTMW-01 03/12/2014 UMW-ol 06/09/2014 CTMW-ol 10/14/2014 CTMW-01 03/04/2015 UMW-ol 06/09/2015 CTMW-02 03/08/2011 UMW-02 06/09/2011 CTMW-02 10/11/2011 UMW-03 (Geosyntec) 12/15/2010 CTMW-03 (Geosyntec) 03/07/2011 UMW-03(Geosyntec) 06/02/2011 UMW-03 (Geosyntec) 10/10/2011 UMW-03 (Geosyntec) 03/13/2012 UMW-03 (Geosyntec) 06/11/2012 UMW-03 (Geosyntec) 10/16/2012 UMW-03(Geosyntec) 03/05/2013 UMW-03 (Geosyntec) 06/04/2013 UMW-07 12/21/2010 UMW-07 03/O8/2011 UMW-07 06/03/2011 UMW-07 03/13/2012 UMW-07 10/15/2012 UMW-07 03/04/2013 UMW-07 06/03/2013 UMW-07 10/09/2013 UMW-07 DUP 06/03/2013 UMW-07 03/13/2014 UMW-07 06/10/2014 UMW-07 10/14/2014 UMW-07 03/04/2015 UMW-07 06/08/2015 UMW-08 12/16/2010 Water Ferrous Total PH Level Temp SPec Co.,. DO ORP Eh Turbidity iron Antimony Arsenic Barium Boron Cadmium Chromium Cobalt Iron Manganese Selenium Strontium Sulfate Thallium Dissolved Vanadium Solids ;.U. It Deg C umhos/cm mg/I mil mV NTU mg/I ug/I ug/l ug/I ug/I ug/I ug/I ug/I ug/I ug/1 ug/I ug/1 mg/1 ug/I mg/I ug/I 5-8.5 NE NE NE NE HE HE HE HE Iv 10 700 700 2 10 Iv 300 50 20 NE 250 0.2z 500 0.3- 7-8.2 NE NE HE NE HE HE HE NE ND 7.84 468 52 NO 4.98 6.7 2290 905 2.02 713 93 ND 660 1.98 Field Parameters Analytical Results ®®®®®®®®®®®®®®®®®®®®®®®® ®®®®®®®®®®®®®®®®®®®®®®®® P:\Duke Energy Progm-1026\103. Cape Fear Ash Basin GW Assessment\16.Corrective Acton Plan\Tables\Table 2-10 Bedrock E-eedance—isz Page 1 of 2 TABLE 2-10 BEDROCK GROUNDWATER EXCEEDANCES CAPE FEAR STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC, MONCURE, NC Field Parameters Analytical Resoults ® ® Prepared by: BER Checked by: US Notes: - Commntmtions are greater than 2L or IMAC and maximum concentration from background data set - Concentrations are less than appropriate comparative value (2L, IMAC, or Provisional background) * - interim Maximum Allowable Concentrations (IMAC,) of the 15A NCAC 02L Standard, Appendix 1, April, 1, 2013 < = concemnstion not detected at or above reporting limit ug/1 = microgram per liter Deg C = Degree Celsius Temp = Temperature mg/I = milligrams per liter ft = feet NO = Not detected above reporting limit umhos/cm = micro mhos per centimeter DO = Dissolved Oxygen NM = Not measured NTU = nephelometric turbidity unit ORP = Oxidation Reduction Potential NA = Not analyzed S.U. = Standard Unit Spec Cond = Specific Conductance NE = Not established mV -millivolts Eh = Red- pot- lal j = indicates concentration reported below Practical Quantitation Limit (PQL), but above Method Detection Limit (MDL) and therefore concentration is estimated b = data Flagged due to a detection in the field blank Dora not used in provisional background concentration determination P:\Duke Energy Pmgm-1026\103. Cape Fear Ash Basin GW Assessment\16.Corrective Acton Plan\Tables\Table 2-10 Bedrock Exceedances.xlsx Page 2 of 2 TABLE2-11 SURFACE WATER AND SEEP EXCEEDANCES CAPE FEAR STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC, MONCURE, NC Analytical Parameter pH Temp Spec Cord DO ORP Eh Turbidity Flow Aluminum Antimony Arsenic Barium Beryllium Beryllium Boron Cadmium Chromium Cobalt Fluoride Iron Lead Lead Manganese Molybdenum Nickel Nickel Selenium Sulfate Thallium Total Dissolved Solids Vanadium Zinc Zinc TOT TOT TOT TOT DIS TOT TOT TOT TOT TOT TOT DIS TOT TOT TOT DIS TOT TOT TOT TOT DIS TOT Reporting Units S.U. Deg C umhos mg/I mV mV NTU MGD ug/I ug/I ug/I ug/1 ug/I ug/I ug/1 ug/I ug/1 ug/I mg/l ug/l ug/1 ug/1 ug/I ug/I ug/I ug/I ug/I mg/l ug/I mg/I ug/I ug/I ug/1 15A NCAC 02B / EPA Water Supply April 2015 ME NE NE NE NE NE NE ME 6500 5.6 30 1000 NE NE NE ME NE 3 NE NE NE NE 50 160 NE 25 170 250 0.24 Soo NE NE 7400 15A NCAC 02B / EPA Human Health April 201S 5-9 NE ME NE NE ME 50 ME 8000 640 10 200000 NE NE ME ME ME 4 NE NE NE NE 100 2000 NE 4600 4200 NE 0.47 NE NE NE 26000 ISA NCAC 026 / EPA Ecological April 2015 6.5-9 NE NE 5 NE NE 50 NE 87 ME ISO ME 6.5 ME NE NE NE NE 1.8 NE 0.54 NE NE NE 16 NE 5 NE NE NE NE 36 NE 15A NCAC 02L Stantlartl 6.5-8.5 NE NE NE NE NE NE ME NE 1* 10 700 NE 4* 700 2 10 1* 2 300 ME 35 50 NE NE 100 20 250 0.2* 500 0.3* NE 1000 Provisional Background Concentration 6%5-7.4 NE NE NE NE NE NE NE 5070 ND 3.04 113 ND MD 76 ND 2.12 3.08 ND 9180 ND 3.6 3410 6.26 1.31 2.92 ND 23 ND 320 7.82 364 36 Sample ID Sample Collection Date Field Parameters Analytical Results BACK GROUND SURFACE WATER CF-HAW 07/01/2014 7.1 27 233 NM NM NM 9.09 NM 115 <1 <1 30 NA NA <50 <1 <1 NA <1 694 NA <1 517 1.97 NA 1.1 <1 12 <0.2 110 NA NA c5 CF-SHCK-Up 07/01/2014 7.4 33 447 NM NM NM 9.49 0.19388 190 <1 1.28 113 NA NA 76 cl <1 NA <1 2230 NA <1 886 6.26 NA 1.76 <1 23 <0.2 320 NA NA 12 SW-BA1 05/2D/2015 6.5 20 370 7 -58 147 75.5 NM 1600 <1 1.54 84 <1 <1 <50 <1 <1 2.67 NA 5350 <1 2.47 3300 <1 1.18 1.57 <1 4.1 <0.2 260 2.33 52 8 SW-BA1 DUP 05/20/2015 6.5 20 370 7 -58 147 75.5 NM 1810 <1 1.58 88 <1 <1 <50 <1 <1 2.79 NA 6110 <1 2.57 3410 <1 1.12 1.71 <1 3.5 <0.2 250 2.31 164 11 SW-BB1 D5/20/2015 6.6 19 91 6.3 39 244 37.6 NM 843 <1 <1 35 <1 <1 <50 <1 <1 <1 NA 1930 <1 <1 50 <1 <1 1.06 <1 3.6 <0.2 82 1.39 13 <5 SW-DEEPR 06/I1/2015 7.1 27 150 6.66 89 294 16.6 NM 346 <1 <1 21 <1 c1 <50 cl <1 <1 NA 997 <1 <1 64 <1 11 <1 <1 12 <0.2 100 1.93 8 <5 SW -HAW 06/11/2015 7.0 25 202 6.34 105 0 10 NM 88 <1 <1 25 <1 <1 50 <1 <1 <1 NA 294 <1 <1 208 2.54 1.18 1.41 <1 16 <0.2 120 1.1 <5 15 SW-SHD-REF 1 05/20/2015 1 6.8 1 21 156 6.3 -18 187 187 NM 5070 <1 3.04 87 <1 <1 <50 <1 2.12 3.08 NA 9180 <1 3.6 1150 <1 1.31 2.92 <1 2 <0.2 140 7.82 21 16 NCDEQ SAMPLES OUTFALL 001 03/11/2014 NM NM NM NM NM NM NM NM 42 <1 3.26 65 NA NA 162 cl <1 NA <1 185 NA <1 109 1.43 NA 8.81 1.4 80 NA 199 NA NA 46.8 Outfall 005 03/11/2014 NM NM NM NM NM NM NM NM 291 14.5 25.9 191 NA NA 1100 <1 <1 NA <1 199 NA <1 99 186 NA 8.77 62.8 92 NA 219 NA NA 3.3 Outfa11007 03/11/2014 NM NM NM NM NM NM NM NM 2550 <1 2.63 55 NA NA 453 <1 1.64 NA <1 2580 NA 1.07 865 9.99 NA 4.72 3.44 55 NA 159 NA NA 22.1 Outfall 008 D3/11/2014 NM NM NM NM NM NM NM NM 344D <1 <1 19 NA NA 3410 <1 <1 NA <1 4920 NA <1 4430 <1 NA 14.6 <1 400 NA 580 NA NA 32.7 Outfall 008 to Shard- Creek 03/11/2014 NM NM NM NM NM NM NM NM 1530 <1 1.08 69 NA NA 166 <1 2.23 NA <1 2860 NA <1 795 <1 NA 3.91 <1 120 NA 301 NA NA 19.6 1978 South Standing Water** 03/11/2014 NM NM NM NM NM NM NM NM 1600 <1 <1 28 NA NA <50 <1 <5 NA <1 2680 NA <1 400 <1 NA <5 <1 20 NA 99 NA NA 13 Standing Water West of RR 03/11/2014 NM NM NM NM NM NM NM NM 436 <1 1.07 34 NA NA 2960 <1 <5 NA <1 2330 NA <1 2460 <1 NA 5 <1 160 NA 311 NA NA 5 85 East of RR 03/11/2014 NM NM NM NM NM NM NM NM 770 <1 <1 30 NA NA 640 <1 <5 NA <1 1990 NA <1 1950 <1 NA <5 <1 110 NA 249 NA NA 14 SEEP 1956 Pond SW-1 03/18/2014 NM NM NM NM NM NM NM NM 1350 <1 4.44 531 NA NA 53 <1 6 NA <1 1540 NA 1.48 6620 <1 NA 6 1.23 240 NA NA NA NA 79 SEEP 1963 Ash Pond 5 03/18/2014 NM NM NM NM NM NM NM NM 77 <1 39.4 78 NA NA 1380 <1 <5 NA <1 2050 NA <1 1]30 301 NA <5 <1 180 NA NA NA NA <5 SEEP South End of 70 AP 03/18/2014 NM NM NM NM NM NM NM NM 1350 <1 <1 52 NA NA 412 <1 <5 NA <1 3430 NA <1 2650 <1 NA <5 <1 73 NA NA NA NA 16 SEEP 78 Ash Pond Down Gradient 03/18/2014 NM NM NM NM NM NM NM NM 1520 <1 <1 30 NA NA 130 <1 <5 NA <1 418 NA <1 3790 <1 NA 26 <1 160 NA NA NA NA 65 SEEP Corner of 78 & Cooling Tawer 03/18/2014 NM NM NM NM NM NM NM NM 153 <1 <1 21 NA NA 221 <1 <5 NA <1 17900 NA <1 6380 <1 NA <17 <1 220 NA NA NA NA 16 SEEPS AND SURFACE WATER CF-78 Ash Pond ** 07/01/2014 NM 32 384 NM NM NM 1.5 NM 52 <1 5.85 76 NA NA 196 <1 <3 NA <1 22 NA <1 50 5.69 NA 3.67 2.39 91 0.644 220 NA NA <5 CF-85 Ash Pond ** 06/30/2014 7.7 30 376 NM NM NM 1.28 NM 165 14.1 34.4 179 NA NA 1240 <1 <1 NA <1 21 NA <1 <5 192 NA 1.92 65.7 90 1.15 230 NA NA <5 CF-85 AshPond Dup.** 06/30/2014 7.7 30 376 NM NM NM 1.28 NM 160 13.9 33.5 181 NA NA 1240 <1 <1 NA <1 17 NA <1 <5 186 NA 1.78 64.4 90 1.57 220 NA NA <5 CF-85 Ash Pond ** 08/06/2015 5.2 30 363 4.06 185 390 1.86 NM 163 7.01 40.9 250 NA NA 1200 <1 <1 NA 0.68 20 NA <1 70 148 NA 1.32 31.5 85 0.473 220 NA NA <5 CF-Downl 07/01/2014 7.2 29 195 NM NM NM 7.48 NM 141 <1 cl 25 NA NA <50 <1 <1 NA <1 297 NA <1 211 1.92 NA 1.32 <1 13 <0.2 110 NA NA 20 CF-Down2 07/01/2014 8.2 29 191 NM NM NM 6.5 NM 92 1.08 <1 22 NA NA <50 <1 <1 NA <1 210 NA <1 129 2.16 NA 1.2 <1 14 <0.2 120 NA NA 6 5-04 07/01/2014 6.7 28 717 NM NM NM 24.6 NM 82 <1 2.39 72 NA NA 5370 c1 <1 NA <1 9220 NA <1 1620 <1 NA 3.52 <1 160 <0.2 SID NA NA <5 S-04 06/11/2015 7.0 21 768 0.2 -279 -74 >1000 NM 134000 <10 408 3620 <1 83.1 6730 29.4 69.4 763 NA 3100000 <1 76.2 27100 <10 3.48 519 10.6 150 5.13 51 217 13 5970 5-05 06/30/2014 5.7 24 615 NM NM NM 0.23 0.00102 50 <1 <1 23 NA NA 309 <1 <1 NA <1 15300 NA <1 5300 <1 NA 9.37 <1 200 0.254 400 NA NA 7 5-05 D8/05/2015 4.7 27 634 0.22 191 396 4.48 NM 113 <1 <1 35 NA NA 416 <1 <1 NA <0.5 2480 NA <1 4450 <1 NA 14.6 11 250 0.683 420 NA NA 31 5-07 06/30/2014 6.4 24 908 NM NM NM 29.1 NF 75 <1 4.77 68 NA NA 5860 <1 <1 NA <1 23700 NA <1 11300 <1 NA 4.65 <1 330 <0.2 590 NA NA <5 5-07 08/05/2015 5.8 25 727 0.26 -100 105 35.2 NM 322 <1 2.43 74 NA NA 6230 <1 <1 NA <0.5 5650 NA <1 9210 <1 NA 2.76 11 230 <0.2 570 NA NA <5 5-08 06/30/2014 7.7 28 626 NM NM NM 10.9 0.00323 324 <1 <1 31 NA NA 5690 <1 <1 NA <l 449 NA <1 5150 64.8 NA 5.32 <1 170 <0.2 460 NA NA <5 5-D8 D8/05/2015 6.1 29 570 0.35 43 248 6.61 NM 151 <1 <1 12 NA NA 5550 <1 <1 NA 0.53 142 NA <1 385 29.7 NA 4.94 <1 170 <0.2 440 NA NA <5 5-09 06/30/2014 6.8 26 632 NM NM NM 30.1 NF 28 <1 <1 71 NA NA 4670 cl <1 NA <1 116 NA <1 1520 <1 NA 4.16 <1 160 <0.2 450 NA NA <5 S-09 05/2D/2015 6.8 24 508 2.9 -286 -81 18.7 NM 132 <1 <1 56 <1 <1 3790 <1 <1 1A NA 596 <1 <1 2360 <1 4.06 4.29 <1 99 <0.2 360 0.739 <5 8 5-10 06/11/2015 7.0 23 431 0.7 -202 3 148 NM 2740 <1 2.64 119 <1 <1 1530 <1 1.91 3.2 NA 15600 cl 1.95 3910 <1 1.63 2.67 <1 19 <0.2 <25 9.31 15 12 5-15 D7/01/2014 7.0 19 907 NM NM NM 3.66 0.00090 141 <1 38.7 78 NA NA 1350 <1 <1 NA <1 1410 NA <1 1890 108 NA 4.26 <1 180 <0.2 600 NA NA <5 5-15 DUP 07/01/2014 7.0 19 907 NM NM NM 3.66 0.00090 59 <1 33.1 67 NA NA 1310 <1 <1 NA <1 831 NA <1 1530 105 NA 3.74 <1 180 <0.2 600 NA NA <5 S-15 08/05/2015 6.5 21 881 0.11 -84 121 3.09 NM 21 <1 36.5 68 NA NA 1330 <1 <1 NA 0.58 842 NA <1 1500 115 NA 4.36 <1 170 0.485 610 NA NA <5 5-16 10/01/2014 3.3 25 2730 NM NM NM NM 0.00167 4020 <1 45.6 23 NA NA 618 <1 <1 NA 2.1 238000 NA <1 21200 <1 NA 207 <1 1700 0.275 2700 NA NA 525 5-16 D6/11/2015 2.9 24 270D 0.39 270 475 55.6 NM 376D <1 Ila 21 31.4 14.4 553 <1 <1 272 NA 257000 <1 <1 18800 2.99 352 206 <1 2700 0.417 2600 3.09 802 599 5-17 10/22/2014 4.2 15 1742 NM NM NM 0.75 D.OD015 253 <1 <1 18 NA NA 588 <1 <1 NA <1 163000 NA 3.79 22100 <1 NA 23.9 <1 1400 <0.2 2000 NA NA 98 SW-01(Geosymec) 08/19/2013 7.2 25 242 5.56 113 NM 8.23 NM 95.8j 0.8j 0.53j 23.4 NA NA 36j <0.23 1.8j NA NA 273 NA 0.16j 135 NA NA <1.5 <0.5 10.1 <0.15 95 NA NA 3j SW-02 (Geosyntec) 08/19/2013 6.4 25 104 5.93 187 NM 9.95 NM 156 j 0.51 j 0.62 j 23.7 NA NA 35.7 j <0.23 <1.6 NA NA 361 NA 0.22 j 142 NA NA <1.5 <0.5 9.8 <0.15 24.5 j NA NA 2.6 j SW-03(Geosymec) D8/19/2013 7.2 25 242 5.56 113 NM 8.23 NM 155j 0.36j 0.6j 24.3 NA NA 36.3j <0.23 1.6j NA NA 479 NA 0.23j 148 NA NA <1.5 <0.5 9.3 <0.15 90 NA NA 2.7j SW-04(Geosymec) 08/19/2013 6.6 25 150 5.91 180 NM 8.56 NM 268 0.48j 0.89j 25.5 NA NA 35.3j <0.23 1.8j NA NA 586 NA 0.34j 154 NA NA <1.5 <0.5 9.1 <0.15 92.5 NA NA 3.7j SW-05(Geosymec) 08/19/2013 6.4 25 68 5.05 178 NM 11.16 NM 228 0.41j 1.2j 24.6 NA NA 32.2j <0.23 l.Bj NA NA 784 NA 0.42j 152 NA NA <1.5 <0.5 8.5 <0.15 91 NA NA 3.51 SW-06 (Geosyntec) 08/19/2013 7.2 27 363 5.7 172 NM 0.3 NM <82.8 0.42 j 6 56.9 NA NA 172 <0.23 <1.6 NA NA <43 NA <0.085 29.9 NA NA 2.7 j 1.2 j 81.4 0.41 j 203 NA NA 3.5 j SW-D8(Geosyntec)** D8/19/2013 7.8 27 352 5A 163 NM 0.55 NM 121j 11.6 46.3 213 NAANA1020 <0.23 2.2j NA NA <43 NA <0.085 12.4 NA NA 2.9j 70 97.1 1.6 208 NA NA <2SW-09 (Geosyntec) 08/19/2013 6.3 25 156 4.77 201 NM 8.84 NM 214 0.59 j 0.87 j 23.9 NA34.7 j <0.23 1.8j NA NA 547 NA 0.32 j 146 NA NA <1.5 <0.5 9.3 <0.15 90.5 NA NA 3.6 j SW-85D5 06/11/2015 6.9 23 139 0.4 -205 0 >1000 NM 51400 <1 5.56 524 <1 2170 <1 40.4 60.1 NA 94300 <1 35.1 4340 <1 1.17 27.4 1.77 76 0.309 69 107 <5 231 SW-BA2 05/20/2015 7.0 21 258 1.71 -220 -15 58.4 NM 685 <1 1.92 77 <1361 <1 <1 4.6 NA 8910 1.55 8.84 3300 <1 1.55 1.87 <1 5.7 <0.2 150 4.31 40 18 SW-CFDG D6/11/2015 6.6 27 175 ].41 87 292 18.4 NM 298 <1 <1 23 <1<50 <1 <1 <1 NA 790 <1 <1 126 1.4 <1 1.12 <1 12 c0.2 110 1.59 8 <5 SW-CFDG DUP 06/11/2015 6.6 27 175 ].41 87 292 18.4 NM 266 <1 <1 24 <1<50 <1 <1 <1 NA 765 <1 <1 154 1.42 <1 1.03 <1 12 <0.1.63 59 191SW-SHD-56 OS/19/2015 6.7 23 219 3 25 230 20.4 NM 511 <1 <1 33 <1<50 <1 <1 <1 NA 1210 <1 <1 401 <1 <1 <1 <1 12 <0.2 100 2.39 9 <5SW-SHD-PLANT 05/19/2015 6.8 21 301 8.4 -199 6 31.3 NM 348 <1 1.74 95 <167 <1 1.02 2.77 NA 2530 <1 <1 1910 1.15 2.04 2.08 <1 9 c0.2 230 2.43 16 14 SW-UNT 05/19/2015 7.3 24 549 6.9 39 237 10.2 NM 211 <I 1.38 57 cl c1 1090 <1 <1 1.06 NA 534 <1 <1 3420 2.83 1.89 2.13 <I 140 <0.2 110 1.67 6 <5 Notes: O - Concentrations are greater than the 15A NC 02B/EPA Criteria, 2015(NC), 2013(EPA), 2L or IMAC and maximum concentration from background data at - Concentrations are less than appropriate comparative value (NC 02B/EPA Criteria, 2L, IMAC, or Provisional background) * - Interim Maximum Allowable Concentrations (IMACs) of the 15A NCAC 02L Standard, Appendix 1, April, 1, 2013. -Surface water sample taken directly from standing water an ash basin < = concentration not detected at or above reporting limit j = The reported value was above the method detection limit, but below the reporting limit. "Estimated" Value ug/I = microgram per liter mg/I = milligrams per liter umhos/cm = micro mhos per centimeter NTU = nephelometric turbidity unit S.U. = Standard Unit mV = millivolts MGD = Million gallons per day Deg C = Degree Celsius it = feet DO = Dissolved Oxygen ORP = Oxidation Reduction Potential Spec Cord = Specific Conductance Eh = Redox potential DIS = Dissolved Temp = Temperature NO = Not detected above reporting limit NM = Not measured NA = Not analyzed NE = Not established DUP = Duplicate TOT = Total Prepared by; DEfl Checked by: Cl5 P:\Duke Energy Progress.1026\103. Cape Fear Ash Basin GW Assessment\16.Correcbve Arton Plan\Tables\Table 2-11 Surface Water and Seep Exceedances.xlsx Page 1 of 1 TABLE 2-12 SEDIMENT EXCEEDANCES CAPE FEAR STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC, MONCURE, NC Analytical Parameter Arsenic Barium Chromium Cobalt Copper Iron Manganese Nickel Zinc Reporting Units mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg EPA R4 Freshwater Sediment ESV 9.8 20 43.4 50 31.6 20000 460 22.7 121 Provisional Background Concentration NO 101 16 9 1 12.5 1 15600 503 9.8 39.7 Sample ID Sample Collection Date Analytical Results BACKGROUND ANALYTICAL RESULTS SW-BA1 05/20/2015 <8.4 46.2 5.2 <8.4 7.4 12600 223 2.3 17.3 SW-BB1 05/20/2015 <6.4 13.9 1.4 j <6.4 2 3640 32.6 0.87 j 7.8 SW-DEEPR* 5/28/2015 <9.3 58.7 8.9 7.8j 9.6 11200 459 4.1 25.3 SW -HAW 06/11/2015 <7 37.1 16 5.9 j 5.6 8810 503 3.2 29.2 SW-SHD-REF 05/20/2015 <10.2 101 8.8 9j 12.5 15600 358 9.8 39.7 ANALYTICAL RESULTS S-04 06/11/2015 45.8 j 235 8.9 j 87.8 39.4 193000 1450 66.7 524 S-09 05/20/2015 <44.4 23.9 <11.1 158 10.6j 11200 277 76.2 51.8 S-10 06/11/2015 <19.9 150 25.6 41 27.5 29600 606 18 106 S-16 06/11/2015 237 18.5 2j 14.3 <2.9 420000 143 29.5 73.9 SW-85DS 06/11/2015 <14.1 80.2 15.3 23.2 13.9 30200 267 11.1 56.2 SW-BA2 05/20/2015 <16.4 127 23.3 12.8 j 61.1 33900 502 14.5 46.2 SW-CFDG 06/11/2015 <7.5 69.4 47 11.6 17.1 15500 537 6.2 42.6 SW-CFDG DUP 06/11/2015 <7.6 46 24.3 8.5 10.1 12200 300 4.3 29.1 SW-SHD-56 05/19/2015 <8.2 123 44.6 22.6 24.3 30600 1550 7.9 53.3 SW-SHD-PLANT 05/19/2015 <8.6 74.6 18.2 7.3j 11.6 11500 380 5.6 34.7 SW-UNT 05/19/2015 <8.2 120 15 21.4 14.2 29500 1200 5.4 23.7 Prepared By: BER Checked By: CIS 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) and maximum concentration from background data set. 0 - Total metal concentration less than Provisional background or ESV. mg/kg = milligrams per kilogram j = The reported value was above the method detection limit, but below the reporting limit. "Estimated" Value ESV = Ecological Screening Value ND = Not detected above reporting limit < = Concentration not detected at or above the reporting limit. * = Sample SW-DEEPR did not meet the preservations requirements listed in 40 CFR 136 and hence is flaged as an estimate P:\Duke Energy Progress.1026\103. Cape Fear Ash Basin GW Assess ment\16.Corrective Acton Plan\Tables\Table 2-12 Sediment Exceedances.xlsx Page 1 of 1 TABLE 3-1 VERTICAL HYDRAULIC CONDUCTIVITY OF UNDISTURBED SOIL CAPE FEAR STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC, MONCURE, NC Bottom Top Depth Depth Hydraulic Sample Interval Interval General Sample Conductivity Location (feet BGS) (feet BGS) Description (cm/sec) ABMW-01 5 7 Ash - fine to medium 1.40E-04 sandy silt ABMW-03 30 32 Fine sandy clay 1.30E-06 MW-16 0 2 Fine sandy clay 8.20E-08 MW-17 5 7 Fine sandy clay 1.30E-07 MW-21 17 20 Fine sandy clay 3.60E-08 Prepared by: KFD Checked by: CJS Notes• BGS = below ground surface cm/sec = centimeter per second P:\Duke Energy Progress.1026\103. Cape Fear Ash Basin GW Assessment\16.Corrective Acton Plan\Tables\Table 3-1 Vert Hydraulic UD.xlsx Page 1 of 1 TABLE 3-2 IN -SITU HYDRAULIC CONDUCTIVITY TEST RESULTS CAPE FEAR STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC, MONCURE, NC Ash Basin Hydraulic Conductivity Hydraulic Conductivity Well ID Slug Test Slug Test Number (cm/sec) (ft/day) Measured Geometric Mean Measured Geometric Mean ABMW-01 Slug Out Test 1 6.73E-04 4.54E-04 1.91E+00 1.29E+00 Test 2 3.06E-04 8.67E-01 Slug Out Test 1 4.01E-04 4.61E-04 14E+00ABMW-03 1.31E+00 Test 2 5.29E-04 H1.50E+00 ABMW-04 Slug Out Test 1 1.58E-04 1.77E-04 4.47E-01 5.01E-01 Test 2 1.98E-04 5.60E-01 ABMW-05 DRY GEOMETRIC MEAN 3.33E-04 9.44E-01 HIGHEST CONDUCTIVITY 6.73E-04 1.91E+00 LOWEST CONDUCTIVITY 1.58E-04 4.47E-01 Upper Surficial Well ID Slug Test Slug Test Number Hydraulic Conductivity (cm/sec) Hydraulic Conductivity (ft/day) Measured Geometric Mean Measured Geometric Mean ABMW-02SU Slug-Out Test 1 1.46E-04 1.38E-04 4.13E-01 3.92E-01 Slug -Out Test 2 1.32E-04 3.73E-01 MW-15SU Slug Out Test 1 1.12E-03 I 1.12E-03 3.19E+00 3.19E+00 MW-17SU Slug In Test 1 1.46E-03 1.03E-03 4.13E+00 2.93E+00 Test 2 1.27E-03 3.59E+00 Test 3 1.08E-03 3.05E+00 Test 4 1.21E-03 3.43E+00 Slug Out Test 2 6.69E-04 1.90E+00 Test 4 7.55E-04 2.14E+00 MW-18S Slug Out Test 1 8.41E-05 I 8.41E-05 2.38E-01 2.38E-01 MW-19S DRY MW-21SU Slug Out Test 1 2.84E-05 2.84E-05 8.06E-02 8.06E-02 GEOMETRIC MEAN 4.15E-04 1.18E+00 HIGHEST CONDUCTIVITY 1.46E-03 4.13E+00 LOWEST CONDUCTIVITY 2.84E-05 8.06E-02 P:\Duke Energy Progress.1026\103. Cape Fear Ash Basin GW Assessment\16.Corrective Acton Plan\Tables\Table 3-2 In -situ Hydraulic Conductivity Test Results. xlsxSummary Results by Unit Page 1 of 3 TABLE 3-2 IN -SITU HYDRAULIC CONDUCTIVITY TEST RESULTS CAPE FEAR STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC, MONCURE, NC Lower Surficial Well ID Slug Test Slug Test Number Hydraulic Conductivity (cm/sec) Hydraulic Conductivity (ft/day) Measured Geometric Mean Measured Geometric Mean ABMW-01S Slu Out Test 2 1.02E-03 1.02E-03 2.89E+00 2.89E+00 ABMW-02SL Slug -Out Test 1 8.75E-05 9 78E-05 2.48E-01 2.77E-01 Slug -Out Test 2 1.09E-04 3.10E-01 ABMW-03S Slug -Out Test 1 4.50E-06 4.50E-06 1.27E-02 1.27E-02 ABMW-04S Slug Out Test 1 2.48E-04 2.89E-04 7.02E-01 8.19E-01 Test 2 3.37E-04 9,56E-01 ABMW-05S Slug -Out Test 1 4.15E-03 4.77E-03 1.18E+01 1.35E+01 Slug -Out Test 2 4.49E-03 1.27E+01 Slug -Out Test 3 5.83E-03 1.65E+01 MW-15SL Slug -Out Test 1 3.29E-05 3.29E-05 9.34E-02 9.34E-02 MW-16S Slug Out Test 1 6.10E-03 5.98E-03 1.73E+01 1.70E+01 Test 2 6.32E-03 1.79E+01 Test 3 6.11E-03 1.73E+01 Test 4 6.25E-03 1.77E+01 Test 5 5.22E-03 1.48E+01 MW-17SL Slug In Test 1 7.39E-04 5.71E-04 2.10E+00 1.62E+00 Test 2 5.35E-04 1.52E+00 Test 3 5.12E-04 1.45E+00 Slug Out Test 1 5.47E-04 1.55E+00 Test 2 5.89E-04 1.67E+00 Test 3 5.35E-04 1.52E+00 MW-20S Slug Out Test 1 1.79E-03 1.96E-03 5.06E+00 5.55E+00 Test 2 1.69E-03 4.80E+00 Test 3 2.49E-03 7.06E+00 MW-21SL Slug -Out Test 1 2.79E-03 3.39E-03 7.90E+00 9.60E+00 Test 2 4.12E-03 1.17E+01 GEOMETRIC MEAN 9.55E-04 2.71E+00 HIGHEST CONDUCTIVITY 6.32E-03 1.79E+01 LOWEST CONDUCTIVITY 4.50E-06 1.27E-02 Transition Zone Hydraulic Conductivity Hydraulic Conductivity Well ID Slug Test Slug Test Number (cm/sec) (ft/day) Measured Geometric Mean Measured Average MW-10D Slu -Out Test 1 2.00E-05 2.00E-05 5.68E-02 5.68E-02 GEOMETRIC MEAN 2.00E-05 5.68E-02 HIGHEST CONDUCTIVITY 2.00E-05 5.68E-02 LOWEST CONDUCTIVITY 2.00E-05 5.68E-02 P:\Duke Energy Progress.1026\103. Cape Fear Ash Basin GW Assessment\16.Corrective Acton Plan\Tables\Table 3-2 In -situ Hydraulic Conductivity Test Results. xlsxSummary Results by Unit Page 2 of 3 TABLE 3-2 IN -SITU HYDRAULIC CONDUCTIVITY TEST RESULTS CAPE FEAR STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC, MONCURE, NC Bedrock Well ID Slug Test Slug Test Number Hydraulic Conductivity (cm/sec) Hydraulic Conductivity (ft/day) Measured Geometric Mean Measured Average ABMW-01BR Slug -Out Test 1 8.86E-04 9.23E-04 2.51E+00 2.62E+00 Slug -Out Test 2 9.24E-04 2.62E+00 Slug -Out Test 3 9.61E-04 2.72E+00 ABMW-03BR Slug -Out Test 1 7.88E-03 8.85E-03 2.23E+01 2.51E+01 Slug -Out Test 2 7.58E-03 2.15E+01 Slug -Out Test 3 1.16E-02 3.29E+01 ABMW-05BR PK-SI Test 1 1.44E-05 1.44E-05 4.08E-02 4.08E-02 MW-05BR Slug -Out Test 1 3.00E-06 3.00E-06 8.50E-03 8.50E-03 MW-06BR Slug -Out Test 1 5.47E-05 8.14E-05 1.55E-01 2.31E-01 Slug -Out Test 2 1.21E-04 3.43E-01 MW-09BR PK-SO Test 1 2.95E-05 2.95E-05 8.36E-02 8.36E-02 MW-10BR Slug -Out Test 1 1.55E-04 1.82E-04 4.41E-01 5.16E-01 Slug -Out Test 2 2.14E-04 6.05E-01 MW-12BR Slug -In Test 1 7.39E-04 6.67E-04 2.09E+00 1.89E+00 Slug -Out Test 1 7.63E-04 2.16E+00 Slug -Out Test 2 5.56E-04 1.58E+00 Slug -Out Test 3 6.30E-04 1.78E+00 MW-15BR Slug -Out Test 1 9.75E-06 9.75E-06 2.76E-02 2.76E-02 MW-16BR Slug -Out Test 1 6.51E-04 6.28E-04 1.85E+00 1.78E+00 Test 2 5.96E-04 1.69E+00 Test 3 6.37E-04 1.80E+00 M W-17BR Slug -In Test 1 3.98E-04 3.96E-04 1.13E+00 1.12E+00 Slug -In Test 2 3.63E-04 1.03E+00 Slug -Out Test 1 3.95E-04 1.12E+00 Slug -Out Test 2 4.32E-04 1.22E+00 MW-20BR PK-SI Test 1 1.37E-02 1.62E-02 3.89E+01 4.58E+01 PK-SO Test 1 1.90E-02 5.38E+01 MW-21BR PK-SI Test 1 1.28E-06 1.28E-06 3.63E-03 3.63E-03 GEOMETRIC MEAN 3.66E-04 1.04E+00 HIGHEST CONDUCTIVITY 1.90E-02 5.38E+01 LOWEST CONDUCTIVITY 1.28E-06 3.63E-03 Created by: RAG Checked by: HJF Notes: Slug tests were analyzed using the Hvorslev mathematical model. DRY= dry well PK-SI = Packer Test, Slug -In PK-SO = Packer Test, Slug Out 0- Sandstone I- Mudstone 0- Mudstone and Sandstone P:\Duke Energy Progress.1026\103. Cape Fear Ash Basin GW Assessment\16.Corrective Acton Plan\Tables\Table 3-2 In -situ Hydraulic Conductivity Test Results. xlsxSummary Results by Unit Page 3 of 3 TABLE 3-3 HORIZONTAL GROUNDWATER GRADIENTS AND FLOW VELOCITIES CAPE FEAR STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC, MONCURE, NC Ash Basin Groundwater Gradients Direction Aquifer Data Points Gradient (ft per ft) Velocity (ft per yr) 1985 Ash Basin NE Surficial ABMW-01S to CMW-5 0.0080 25* NE Bedrock ABMW-01BR to MW-5BR 0.0068 0.7 - 3 S Surficial ABMW-01S to PZ-5 0.0084 33* NW Surficial ABMW-01S to MW-17SL 0.0050 13 NW Bedrock ABMW-01BR to MW-17BR 0.0038 5 - 20 SE Surficial ABMW-01S to CMW-6 0.0043 17* SE Bedrock ABMW-01BR to MW-6BR 0.0040 7 - 20 1956 Ash Basin E Surficial BGMW-04 to ABMW-05S 0.0023 21* E Bedrock BGTMW-04 to ABMW-05BR 0.0021 0.4 - 1* SW Surficial ABMW-05S to CMW-02 0.0030 22* SW Bedrock ABMW-05BR to CTMW-02 0.0042 1 - 2* NW Surficial ABMW-05S to MW-10 0.0015 14* NW Bedrock ABMW-05BR to MW-10BR 0.0048 1 - 2 1978 Ash Basin SE Surficial ABMW-02SL to CMW-07 0.0169 27* 1963 Ash Basin W Surficial ABMW-04S to CMW-8 0.0239 52* 1970 Ash Basin SW Surficial ABMW-03S to CMW-1 0.0240 6* SW Bedrock ABMW-03BR to CTMW-1 0.0106 39 - 164* Prepared by: RKD Checked by: CJS Notes: ft = feet yr = year *In the absence of hydraulic conductivity data for one of these wells, the hydraulic conductivity value used is the geometric mean of other wells in the same hydrologic monitoring zone (surficial or bedrock). Water level measurements used for these calculations were collected on June 30 and July 1, 2015 P:\Duke Energy Progress.1026\103. Cape Fear Ash Basin GW Assessment\16.Corrective Acton Plan\Tables\Table 3-3 Horizontal Groundwater Gradients.xlsx Page 1 of 1 TABLE 3-4 WATER LEVELS AND POTENTIAL VERTICAL HYDRAULIC GRADIENTS CAPE FEAR STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC, MONCURE, NC Identification Monitoring Zone Total Well Depth' Screened Interval (feet bgs) (feet bgs) Measuring Point TOC (feet MSL) Ground Surface (feet MSL) Depth to Waters (feet Water' Potentiometric Surface Elevation feet MSL Vertical Gradient Direction BACKGROUND WELLS BGMW-04 Surficial 19 9-19 180.74 177.70 15.85 164.89 0.016 downward BGTMW-04 Bedrock 48 38-48 180.85 175.50 16.45 164.40 MW-09 Bedrock 20 10-20 191.78 187.30 14.2 177.58 0.153 downward MW-09BR Bedrock 40 35-40 192.06 188.35 17.9 174.16 MW-15SU Surficial 10 5-10 172.73 169.48 6.49 166.24 0.389 -0.027 downward upward MW-15SL Surficial 20 15-20 172.69 169.45 10.44 162.25 MW-15BR Bedrock 60 55-60 172.92 169.69 9.62 163.30 MW-16S Surficial 16 6-16 168.05 165.1 3.77 164.28 0.010 downward MW-16BR Bedrock 51 46-51 168.55 165.35 4.62 163.93 SOURCE AREA WELLS AND PIEZOMETERS ABMW-01 Ash Pore Water 35 30-35 201.60 198.66 20.08 181,52 0.504 0.054 downward downward ABMW-01S Surficial 51 46-51 201.83 198.64 28.16 173.67 ABMW-OSBR Bedrock 73 68-73 201.44 198.5 28.88 172.56 ABMW-02SU Surficial 12 7-12 193.66 190.47 9.5 184.16 0.005 -0.086 downward upward PZ-09 Surficial 22 12-22 193.82 190.82 9.7 184.12 ABMW-02SL Surficial 30 20-30 193.64 190.59 8.88 184.76 ABMW-03 Ash Pore Water 20 15-20 187.23 184.33 14.43 172.80 0.211 0.180 downward downward ABMW-03S Surficial 37 32-37 187.17 184.26 18 169.17 ABMW-03BR Bedrock 66 61-66 187.24 184.29 23.25 163,99 ABMW-04 Ash Pore Water 26 21-26 193.94 190.89 16.65 177.29 0.218 downward ABMW-04S Surficial 45 40-45 193.88 190.81 19.96 173.92 PZ-07 Ash Pore Water 18 8-18 189.74 187.29 14.44 175.30 - PZ-08 Ash Pore Water 21 11-21 193.31 193.17 17.69 175.62 PZ-10 Ash Pore Water 18 8-18 185.46 183.53 Dry <165.53 ABMW-05 Ash Pore Water 17 12-17 186.78 183.57 Dry <169.78 - ABMW-O5S Surficial 33 28-33 186.39 183.34 25.11 161.28 0.003 downward ABMW-05BR Bedrock 60 55-60 186.56 183.54 25.37 161.19 SITE WELLS AND PIEZOMETERS CMW-Ol Surficial 15 5-15 165.67 162.30 8.01 157.66 0.037 upward CTMW-01 Bedrock 53 38-53 166.04 163.40 7.11 158.93 CMW-02 Surficial 14 4-14 169.40 166.60 10.66 158.74 0.028 downward CTMW-02 Bedrock 52.5 42.5-52.5 169.17 166.50 11.55 157.62 CMW-05 Surficial 20 10-20 182.44 178.60 15.24 167.20 0.012 downward MW-05BR Bedrock 50 45-50 181.44 178.09 14.62 166.82 CMW-06 Surficial 14 4-14 169.89 166.60 4.46 165.43 -0.010 downward MW-06BR Bedrock 37.5 32.5-37.5 170.24 166.93 5.06 165.18 CMW-07 Surficial 26.5 16.5-26.5 184.58 181.50 22.07 162.51 0.090 downward CTMW-07 Bedrock 48 38-48 184.66 181.40 24.29 160.37 CMW-08 Surficial 15 5-15 170.21 167.70 9.17 161.04 0.066 -0.125 downward upward CTMW-08 Bedrock 48.5 38.5-48.5 170.32 167.40 11.53 158.79 MW-14 Bedrock 80 70-80 173.94 171.37 11.8 162.14 CMW-03 Surficial 15 5-15 175.96 172.70 15.38 160.58 0.021 0.096 0.011 downward downward downward MW-10 Surficial 20 10-20 173.82 170.94 13.36 160.46 MW-lOD Bedrock 35 30-35 174.29 171.1 15.44 158.85 MW-SOBR Bedrock 58 53-58 174.22 171.05 15.61 158.61 MW-11 Surficial 20 10-20 175.02 171.74 13.34 161.68 - MW-12 Surficial 20 10-20 171.12 167.72 12.46 158.66 -0.016 upward MW-12BR Bedrock 49 44-49 170.76 167.89 11.57 159.19 MW-13 Surficial 20 10-20 171.95 168.95 11.6 160.35 - MW-17SU Surficial 19 14-19 172.18 169.02 9.1 163.08 -0. 0.043 43 upward upward MW-17SL Surficial 30 25-30 172.66 169.54 8.23 164.43 MW-17BR Bedrock 57 52-57 173.49 170.34 7.9 165.59 MW-18S Surficial 9.5 4.5-9.5 169.26 165.9 3.6 165.66 - MW-19S Surficial 7.8 2.8-7.8 176.91 173.83 8.38 168.53 - MW-20S Surficial 25 15-25 170.77 168.01 12.2 158.57 0.010 downward MW-20BR Bedrock 61 56-61 171.23 167.98 13.06 158.17 MW-21SU Surficial 16 11-16 176.92 173.85 10.73 166.19 0.077 0.255 downward downward MW-21SL Surficial 29 24-29 176.96 173.88 11.68 165.28 MW-21BR Bedrock 60 50-60 177.14 174.03 19.34 157.80 PZ-01 Surficial 13 3-13 168.0 168.2 3.42 164.58 - PZ-02 Surficial 15 5-15 175.0 172.6 5.33 169.67 - PZ-03S Surficial 13 3-13 174.0 171.0 5.08 168.92 -0.0004 upward PZ-03D Bedrock 60 45-60 173.9 171.1 4.96 168.94 PZ-04 Surficial 13 3-13 173.72 170.99 8.71 165.01 - PZ-05 Surficial 13 3-13 169.80 170.0 1.65 168.15 PZ-06 Surficial 33 23-33 198.03 195.47 19.16 178.87 CHATH-075-PIOO Surficial* 30 20-30 175.08 175.20 14.51 160.57 CHATH-075-P101 Surficial* 20.4 10-20 184.11 184.39 22.71 161.40 CHATH-075-P102 Surficial* 25 15-25 186.66 187.01 25.91 160.75 CHATH-075-P103 Surficial* 14.6 4.6-14.6 165.51 165.78 4.43 161.08 CHATH-076-PIOO Surficial* 35 25-35 168.85 169.09 2.43 166.42 CHATH-076-P101 Surficial* 15 5-15 194.56 194.87 24.15 170.41 CHATH-076-P102 Surficial* 35 25-35 195.04 195.26 28.3 166.74 CHATH-076-P103 Surficial* 15 5-15 166.72 167.07 2.4 164.32 CHATH-077-PIOO Surficial* 31 21-31 194.93 195.35 29.7 165.23 CHATH-077-P102 Surficial* 30 20-30 185.72 186.03 22.09 163.63 CHATH-077-P103 Surficial* 19.5 9.5-19.5 180.31 180.67 13.49 166.82 CHATH-079-PIOO Surficial* 25.4 15-25 193.03 193.35 22.32 170.71 CHATH-079-P101 Surficial* 30.4 20-30 192.94 193.29 28.63 164.31 CHATH-079-P102 Surficial* 15 5-15 173.41 173.73 7.81 165.60 CHATH-079-P103 Surficial* 30.4 20-30 193.67 193.93 28.85 164.82 CHATH-079-P104 Surficial* 30.4 20-30 193.59 193.82 27.23 166.36 CHATH-079-P105 Surficial* 15 5-15 1 173.08 1 173.40 3.44 169.64 Prepared by: Q55 Checked by: TCP Notes: BGS - Below ground surface BTOC - Below top of casing MSL - Mean sea level 'Well depths and water levels measured by SynTerra, June 30 and July 1, 2015 * No boring logs available for 'CHATH" piezometers, monitoring zone assigned based on depths and comparison to nearby sample locations with boring logs Vertical hydraulic gradients were revised to correct errors identified in Table 6-7 of the CSA after it was submitted. P:\Duke Energy Progress. 1026\103. Cape Fear Ash Basin GW Assessment\16.Corrective Acton Plan\Tables\Table 3-4 Water Levels and Revised Vertical Hydraulic Gradients.xlsx Page 1 of 1 TABLE 3-5 LEACHING PROPERTIES OF SOIL CAPE FEAR STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC, MONCURE, NC Analytical Parameter Aluminum AntimonyArsenic Barium Beryllium y Boron Cadmium Calcium Chloride Chromium Cobalt Copper Co Iron Lead Magnesium Manganese Mercury Molybdenum Nickel Nitrate as N Potassium Selenium Sodium Strontium Sulfate Thallium Vanadium Zinc Reporting Units ug/I ug/1 ug/I ug/I ug/1 ug/1 ug/I mg/I mg/1 ug/1 ug/I mg/1 ug/I ug/I mg/1 ug/1 ug/I ug/1 ug/I mg/1 mg/1 ug/1 mg/1 mg/1 mg/1 ug/I ug/1 mg/I SSA NCAC 02L Standard NE 1 * SO 700 4 * 700 2 NE 250 SO 1 * 1 300 15 NE 50 1 NE 100 10 NE 20 NE NE 250 0.2 * 0.3 * 1 Sample ID Sample Collection Date Analytical Results ABMW-01 SB (39-41) 03/23/2015 91800 <0.5 23.6 606 4.1 97.3 0.11 11.8 <5.7 110 34.4 0.0625 56500 36.5 5.97 694 0.23 64.9 39.6 0.23 2.06 6.1 1.63 0.276 5.5 0.37 313 0.196 ABMW-01 SB (57-59) 03/24/2015 6300 0.16j 5 265 0.24 47.6 0.035j 8.71 3.9 j 4.1 1.8 0.0033 6490 3.5 2.36 182 0.03 j 4.6 2 <0.21 2.64 0.42j 3.05 0.0499 3.9 0.044j 25.2 0.0387 ABMW-02 SB (5-6) 03/26/2015 145 <0.5 <0.5 168 <0.2 95.5 0.063 j 1.35 <6.4 0.4 j 1.8 0.0013 1560 0.21 0.823 ISO <0.2 <0.5 1.8 <0.26 0.696 <0.5 2.57 0.0227 19 <0.1 <1 0.16 ABMW-02 SB (11-12) 03/26/2015 7.7 j <0.5 <0.5 162 <0.2 97 0.031 j 0.598 <6.5 0.84 5.6 0.00079 j <50 0.11 0.383 152 0.03 j <0.5 1.9 <0.26 0.326 <0.5 2.03 0.0104 7.8 <0.1 <1 0.128 ABMW-03 SB (25-26) 04/14/2015 54000 <0.5 3.8 347 1.1 183 0.03 j 5.32 <6.9 42.6 16.3 0.0469 47400 11.9 4.07 1340 0.1 j 0.37 j 26.1 0.74 1.27 0.65 2.17 0.117 13.7 0.24 86 0.133 ABMW-04 SB (28-30) 04/11/2015 282000 <0.5 17.7 1340 6.6 181 0.25 18.5 15.2 288 43.6 0.155 278000 52.6 22.1 2210 0.39 0.37 j 125 <0.26 3.24 3.9 2.76 0.274 5.3 1 370 0.554 ABMW-04 SB (42.5-44.5) 04/13/2015 44000 0.47 j 7 359 1.8 43.9 0.21 2.55 7.3 53.2 13.5 0.039 22900 23.8 3.38 ISO 0.04 j 1.4 22.4 <0.27 1.38 0.82 2.68 0.0302 6.3 0.18 161 0.182 ABMW-05 AB (23-24) 05/07/2015 528 1.9 64.9 349 <0.2 76.9 <0.08 8.31 <6.4 1.5 <0.5 0.0015 15.3 j 0.077 j 0.706 7.2 <0.2 5 0.65 <0.25 0.177 87.7 1.39 0.309 6.8 <0.1 39.8 0.0339 ABMW-05 AB (29-30) 05/07/2015 6.6 j <0.5 <0.5 143 <0.2 68.6 <0.08 2.1 <6.3 0.39 j 2.8 0.0012 <50 0.046 j 0.726 300 <0.2 0.21 j 1.9 <0.25 0.421 <0.5 2.42 0.0506 12.9 <0.1 <1 0.038 MW-05BR SB (0-2) 04/23/2015 17400 <0.5 0.82 166 0.2 43.4 <0.08 1.37 <6.2 15.8 2.1 0.0087 15400 3.3 1.18 31.5 <0.2 <0.5 4.9 0.31 0.29 0.25 j 2.4 0.0196 6 0.091 j 40.1 0.0852 MW-05BR SB (10-12) 04/23/2015 108000 <0.5 7.6 854 7.4 52.4 0.08 12.8 16.6 162 52 0.117 161000 37 13.9 1980 0.09 j 0.24 j 61.6 <0.24 1.5 1.8 5.31 0.193 6.3 0.34 411 0.255 MW-06BR SB (0-2) 05/30/2015 12500 <0.5 1.7 350 0.85 60.1 <0.08 0.979 5.1j 13.3 6.1 0.0123 12500 8.2 2.38 313 0.038j 0.13j 6 <0.23 0.394 1.6 9.36 0.0199 16.4 0.068j 40.8 0.112 MW-09 SB (0-2) 04/25/2015 16400 0.21j 3.6 532 0.29 266 0.028j 0.483 <6.3 12.1 3.1 0.0107 26000 8.3 0,953 42.7 <0.2 0.51 4 <0.25 1.27 0.32j 3.54 0.0127 7.7 0.14 25.6 0.328 MW-09 SB (2-3) 04/25/2015 9070 0.27 j 4.3 241 0.73 88.9 0.032 j 0.496 <5.4 3.9 15.9 0.0047 10800 5.5 1.01 173 <0.2 2.1 5.5 <0.22 1.23 0.42 j 4.91 0.01 6.6 0.049 j 10.2 0.0888 MW-09 SB (6-7) 04/25/2015 11600 <0.5 0.93 228 0.4 72.4 0.053 j 1.02 <5.8 6.3 2 0.0059 10100 6.3 1.47 175 <0.2 3.5 2.8 <0.23 1.92 <0.5 4.9 0.0192 4.7 0.045 j 10.8 0.0747 MW-09 SB (16-17) 04/25/2015 10200 <0.5 0.32j 189 0.22 61.7 <0.08 0.889 <5.5 4.7 0.88 0.0036 8210 1.7 0.802 36.3 <0.2 0.28j 2.1 <0.22 1.44 <0.5 3.05 0.0115 4.4 0.032 j 9 0.0509 MW-10BR SB (0-2) 04/08/2015 7460 <2.5 1.1 j 206 0.4 j 74 <0.4 1.1 <5.6 10.7 4.7 0.011 8770 6.7 0.651 350 <0.6 <2.5 3.8 0.26 0.264 <2.5 1.57 0.0158 4 <0.5 27.5 0.13 MW-10BR SB (8-9) 04/08/2015 1720 <0.5 0.16 j 148 0.075 j 57.9 <0.08 0.902 <6.1 1.9 0.86 0.0032 1520 0.88 0.37 64.9 <0.6 <0.5 1.6 <0.24 0.0917 <0.5 1.39 0.0128 5.2 <0.1 5 0.0461 MW-12 BR SB (11-12) 02/24/2015 9630 <0.5 3 666 3 11.4 0.089 13.3 8.6 8 13.5 0.0255 8290 27.7 10.8 560 0.6 <0.5 11.7 0.45 0.204 1.2 11 0.153 9.5 <0.1 154 0.0393 MW-15 SB (0-2) 04/01/2015 16300 <0.5 1.1 248 0.64 148 0.034j 2.5 <6.1 17.4 3.1 0.0096 14600 4.5 3.1 ISO 0.08 j <0.5 8.1 <0.24 0.604 0.42j 10.1 0.0356 36.6 0.1 31.4 0.189 MW-15 SB (7-9) 04/01/2015 11500 <0.5 1.3 334 0.76 57.7 0.034j 3.62 3.2 j 10.7 3.6 0.0116 7510 6.2 3.89 126 0.13 j 0.2j 6.2 0.29 0.542 0.53 10.3 0.0519 14.3 0.071j 35.5 0.088 MW-15 SB (18-19) 04/01/2015 40900 <0.5 2.8 379 1.4 80 0.056 j 1.32 <6 29.1 10 0.0284 26400 16.3 1.93 417 0.05 j 0.18 j 15.3 <0.24 1.42 0.35 j 2.31 0.0234 4.4 0.19 93.2 0.199 MW-15 SB (35-36) 04/07/2015 1160 <0.5 0.87 130 0.15j 32.9 <0.08 1.12 <5.5 1.3 1.9 0.0076 802 2.1 0.503 41.8 <0.6 0.18j 1.4 <0.22 0.267 <0.5 1.77 0.0126 3.5 <0.1 2.8 0.0358 MW-16 SB (0-2) 04/28/2015 31900 <0.5 2.3 425 0.59 129 0.52 1.35 <7.1 14.9 5.5 0.0098 19600 8.3 2.52 405 <0.2 0.14 j 9.6 <0.28 1.31 0.4 j 3.11 0.0209 7.1 0.2 41.2 0.18 MW-16 SB (4-6) 04/28/2015 205000 <0.5 6.7 2350 4 79.9 0.11 10.3 14 96.7 38.2 0.0519 160000 84.2 24.6 427 0.21 0.11j 73.7 <0.24 2.66 1.6 25 0.191 9.1 1.2 275 0.388 MW-16 SB (13-15) 04/28/2015 28200 <0.5 2.2 256 1.3 58.5 <0.08 2.04 <6.4 19.6 7.2 0.0132 13300 7.7 1.71 66.1 <0.2 <0.5 11.5 <0.26 0.969 0.28j 2.71 0.0293 6.1 0.076 j 60.8 0.0941 MW-17BR SB (0-2) 06/29/2015 4600 <5 <5 22.2 j <2 50.4 <0.8 0.715 <6 3.7 j <5 0.0047 j 3320 2.8 0.502 29.5 <0.2 <5 13.1 0.62 0.324 j <5 1.65 0.0055 8 <1 8.3 j <0.05 MW-17BR SB (2-3) 03/06/2015 17400 <2.5 <2.5 590 2.5 <25 <0.4 10.6 11.7 15.6 4.6 0.0328 16300 12.1 3.17 548 <0.6 <2.5 10 <0.24 0.259 <2.5 1.6 0.127 6.7 <0.5 64 0.0603 MW-20 SB (0-2) 05/13/2015 78300 <0.5 4.8 537 2 104 0.084 5.34 <6.2 108 33.9 0.101 104000 36.7 10.7 2540 <0.2 0.32 j 36 <0.25 1.1 1.7 2.17 0.0801 6.7 0.41 218 0.289 MW-20 SB (5-6) 05/13/2015 74700 <0.5 4.5 698 2.3 67.3 0.079 j 4.12 <5.9 80.7 27.3 0.0912 98100 34.5 7.33 2970 <0.2 0.32j 30.2 <0.24 1.08 1.3 2.26 0.0657 5.8 0.34 216 0.274 MW-20 SB (24-25) 05/13/2015 16700 <0.5 1.1 308 0.72 107 0.033 j 2.03 <6.2 24.2 4.6 0.0103 8330 1 5.3 3.15 189 <0.2 0.81 6.1 <0.25 1.88 0.42j 3 0.0284 4.7 0.062j 48 0.118 MW-21 SB (0-2) 06/18/2015 406 <5 10.9 11.8 j <2 75.5 <0.8 1.88 <7.9 <5 <5 0.0032 j 724 2.5 0.37 45.8 0.14 j <5 <5 1.1 1 2.5 j 5.44 0.0122 16.4 0.3 j <10 <0.05 MW-21 SB (5-6) 04/21/2015 116 <0.5 <0.5 278 0.13 j 57 <0.08 1.56 <5.6 0.33 j 3.2 0.0017 16.5 j 0.26 0.234 255 <0.2 <0.5 1.8 0.23 0,602 <0.5 0.424 0.0432 11.4 <0.1 <1 0,0778 MW-21 SB (9-11) 1 04/21/2015 49.2 <0.5 1 <0.5 204 0.22 108 0.056j 2.02 1 <5.7 1 0.39j 10.9 0.003 15.2j 0.078j LL 0.806 SS4 <0.2 <0.5 2.5 0.26 0.497 <0.5 1.97 0.0517 14.3 <0.1 <1 0.127 Notes: 0 - Bold highlighted concentration indicates exceedance of the 15A NCAC 02L Standard, Appendix 2, April 1, 2013. mg/I = milligrams per liter ug/I = microgram per liter NE = Not established j = indicates concentration reported below Practical Quantitation Limit (PQL), but above Method Detection Limit (MDL) and therefore concentration is estimated. < = 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. Synthetic Precipitation Leaching Procedure, USEPA Method 1312 Prepared by: BER Checked by: CJS P:\Duke Energy Progress.1026\103. Cape Fear Ash Basin GW Assessment\16.Corrective Acton Plan\Tables\Table 3-5 Cape Fear SPLP Data CAP.xlsxTable 3-5 Cape Fear SPLP Data CAP.xlsx Page 1 of 1 TABLE 3-6 GROUNDWATER ANALYTICAL RESULTS - 0.45 VS 0.1 MICRON FILTRATION AUGUST AND SEPTEMBER 2015 CAPE FEAR STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC, MONCURE, NC Analytical Parameter PH Water Level Temp Spec Cond DO ORP Eh Turbidity Ferrous Iron Aluminum Aluminum Aluminum Antimony Antimony Antimony Arsenic Arsenic Arsenic Barium Barium Barium Beryllium Beryllium Beryllium TOT DIS DIS (0.1u) TOT DIS DIS (0.1u) TOT DIS DIS (0.1u) TOT DIS DIS (0.1u) TOT DIS DIS (0.1u) Reporting Units S.U. ft Deg C umhos/cm mg/I mV mV NTU mg/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 15A NCAC 02L Standard 6.5-8.5 NE NE NE NE NE NE NE NE NE NE NE 1* NE NE SO NE NE 700 NE NE 4* NE NE Sample ID Sample Collection Date Field Parameters Analytical Results ASH PORE WATER ABMW-01 09/01/2015 7.3 22.08 21 489.4 0.73 -162.1 42.9 0.8 0 61 23 21 <1 <1 <1 494 493 433 123 122 120 <1 <1 <1 ABMW-03 09/01/2015 8.1 16.43 19.7 1595 0.3 -179 26 1.36 0 195 185 172 1.88 2.16 2.4 415 368 367 155 154 153 <1 <1 <1 ABMW-04 09/01/2015 6.8 17.48 18.7 805 0.3 -84.2 120.8 8.1 2 31 10 11 <1 <1 <1 735 711 M4 744 299 293 284 <1 <1 <1 PZ-07 09/02/2015 3.9 15.44 17.6 7632 0.4 120.3 325.3 3.2 5.5 534000 585000 573000 <10 <10 <10 195 190 198 <250 42 43 334 344 343 PZ-08 09/02/2015 6.8 18.72 20.8 862 1.2 -51.1 153.9 9.4 1.5 2350 20 8 5.5 5.85 6.27 300 270 248 147 80 80 <1 <1 <1 SURFICIAL UPPER ABMW-02SU 08/31/2015 4.2 11.61 20.2 676 0.5 224.9 429.9 6.7 1 1810 1090 1010 <1 <1 <1 <1 1.16 <1 30 33 33 <1 <1 <1 MW-15SU 09/01/2015 4.8 8.84 19.1 1567 6.39 123.2 328.2 NM NM 1250 N1 686 N1 631 N1 <1 N1 <1 N1 <1 N1 1.16 N1 <1 N1 <1 N1 29 N1 20 N1 15 N1 3.16 N1 3.92 N1 3.75 N1 MW-21SU 09/01/2015 4.1 12.99 24.1 526 3.1 426.9 631.9 2 0.25 5000 4280 3720 <1 <1 Ll <1 2.03 1.67 1.65 21 23 22 8.73 5.94 7.55 PZ-02 09/02/2015 6.4 6.27 22.9 662 0.5 51.1 256.1 4 0.25 43 <5 <5 <1 <1 <1 <1 <1 <1 53 51 51 <1 <1 <1 SURFICIAL LOWER ABMW-01S 08/31/2015 8.7 29.51 22.7 524 0.54 -169.9 35.1 3.7 0 79 41 38 <1 <1 <1 26.4 24.6 24.3 38 38 37 <1 <1 <1 ABMW-02SL 08/31/2015 6.7 12.22 19.5 222.3 0.7 -106.1 98.9 7.2 2 74 12 8 <1 <1 <1 3.79 3.47 3.38 23 23 22 <1 <1 <1 ABMW-03S 08/31/2015 12.1 19.3 19.1 2.62 0.42 -58.5 146.5 1.39 0 2760 2980 2850 <1 <1 <1 1.56 1.48 1.73 669 650 635 <1 <1 <1 ABMW-04S 08/31/2015 6.5 20.68 19.3 509.2 2.9 -143.9 61.1 3.2 6 62 51 31 <1 <1 <1 3.36 2.93 3.01 110 105 102 <1 <1 <1 ABMW-04S DUP 08/31/2015 6.5 20.68 19.3 509.2 2.9 -143.9 61.1 3.2 6 60 50 30 <1 <1 <1 2.94 3.06 2.95 105 103 100 <1 <1 <1 ABMW-05S 09/01/2015 5.7 25.87 20.4 1926 1 -67 138 5.44 2.5 353 219 144 <1 <1 <1 2.12 1.73 1.56 33 32 30 <1 <1 <1 MW-10 09/02/2015 5.8 13.95 20.4 1359 0.73 7.3 212.3 1.25 0.5 26 <5 <5 <1 <1 <1 <1 <1 <1 28 28 28 <1 <1 <1 MW-15SL 09/01/2015 6.3 12.05 20.1 277.6 1.05 -95.3 109.7 6.32 1.5 83 63 31 <1 <1 <1 2.36 2.32 1.85 69 67 70 <1 <1 <1 MW-16S 09/01/2015 6.2 5.83 18.5 1196 4.5 36 241 2 0.5 91 <5 <5 <1 <1 L1 <1 <1 <1 <1 202 205 202 <1 <1 <1 MW-21SL 09/01/2015 5.8 13.58 23.8 1483 3.2 27.8 232.8 2 1.5 12 8 6 <1 <1 L1 <1 <1 <1 <1 25 28 29 <1 <1 <1 BEDROCK ABMW-01BR 08/31/2015 8.6 30.12 22.7 648 0.58 -172.3 32.7 5.84 NM 90 24 22 <1 <1 <1 7.69 7.03 7.3 166 153 152 <1 <1 <1 ABMW-03BR 09/01/2015 6.9 24.18 18.5 860 0.42 -100.5 104.5 6.78 1 97 <5 <5 <1 <1 <1 1.46 1.4 1.34 116 116 117 <1 <1 <1 ABMW-05BR 09/01/2015 8 26.11 23.5 854.4 0.44 -158.2 46.8 2.19 0 43 10 11 <1 <1 <1 1.66 1.18 1.17 278 275 280 <1 <1 <1 MW-05BR 09/02/2015 11.1 16.64 22.7 710 1 -104.2 100.8 3 ND 862 770 784 <1 <1 <1 1.39 1.37 1.45 40 40 38 <1 <1 <1 MW-06BR 09/01/2015 7.3 5.8 20.5 1211 0.37 -106.7 98.3 3.09 0 24 <5 <5 <1 <1 <1 <1 <1 <1 713 702 689 <1 <1 <1 MW-09 1 09/01/2015 6.1 15.48 21.5 863 0.2 49.1 1 254.1 1.9 2 23 <5 <5 <1 <1 <1 <1 <1 <1 103 108 110 <1 <1 <1 MW-09BR 09/01/2015 7.3 19.23 20.6 656 0.2 -127.5 77.5 1 0.5 18 <5 <5 <1 <1 <1 <1 <1 I <1 410 410 408 <1 <1 <1 MW-10BR 09/02/2015 9.5 16.06 21.6 1057 0.51 -146.9 58.1 9.81 0 118 23 23 <1 <1 <1 1.86 2.14 2.12 96 88 88 <1 <1 <1 MW-10D 09/02/2015 6.4 15.7 19.3 1930 0.8 19.8 224.8 2.29 0 22 <5 <5 <1 <1 <1 3.17 2.89 2.57 43 38 39 <1 <1 <1 MW-10D DUP 09/02/2015 6.4 15.7 19.3 1930 0.8 19.8 224.8 2.29 0 14 7 30 <1 <1 <1 2.31 2.63 2.63 37 36 38 <1 <1 <1 MW-15BR 09/01/2015 8.1 10.71 22.9 425.4 0.65 -141.3 63.7 6.46 NM 120 7 5 <1 <1 <1 7.84 6.67 7.38 342 357 381 <1 <1 <1 MW-16BR 09/01/2015 7.7 6.82 18 673 0.1 -115.4 89.6 1 0.25 60 6 5 <1 <1 L1 <1 1.44 1.08 1.26 468 444 435 <1 <1 <1 MW-20BR 09/01/2015 7.9 13.38 18 498.9 0.24 -204 1 8.55 0 189 1 8 8 <1 <1 <1 <1 <1 <1 136 129 129 <1 <1 <1 MW-21BR 09/01/2015 8.8 19.29 30.9 414.3 0.6 31.2 236.2 2 ND 43 36 36 <1 <1 Ll <1 1.85 1.61 1.9 97 95 95 <1 <1 <1 Notes: = . Bold highlighted concentration indicates exceedance of the 15A NCAC 02L Standard, Appendix 2, April 1, 2013. < = 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. ORP = Oxidation Reduction Potential DIS = Dissolved, run through 0.45 micron filter DIS (0.1u) = Dissolved, run through 0.1 micron filter 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 NM = Not Measured Eh = Redox potential M4 - The spike recovery value was unusable since the analyte concentration in the sample was disproportionate to the spike level N1 - Sample inadvertently collected with sample running through the flow cell and should be considered invalid based on possible contamination from the flow cell Prepared by: BER Checked by: CIS P:\Duke Energy Progress.1026\103. Cape Fear Ash Basin GW Assessment\16.Corrective Acton Plan\Tables\Table 3-6 0.1u Analytical Results.xlsx Page 1 of 3 TABLE 3-6 GROUNDWATER ANALYTICAL RESULTS - 0.45 VS 0.1 MICRON FILTRATION AUGUST AND SEPTEMBER 2015 CAPE FEAR STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC, MONCURE, NC Analytical Parameter Boron Boron Boron Cadmium Cadmium Cadmium Chromium Chromium Chromium Cobalt Cobalt Cobalt Copper Copper Copper Iron Iron Iron Lead Lead Lead Manganese Manganese Manganese 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 DIS DIS (o.lu) TOT DIS DIS (0.1u) TOT DIS DIS (O.lu) Reporting Units ug/I ug/I ug/I ug/I ug/I ug/I ug/I ug/1 ug/I ug/I ug/I ug/I ug/I ug/1 ug/1 ug/I ug/1 ug/1 ug/I ug/I ug/I ug/1 ug/I ug/I 15A NCAC 02L Standard 700 NE NE 2 NE NE 10 NE NE 1* NE NE 1000 NE NE 300 NE NE 15 NE NE 5o NE NE Analytical Results ASH PORE WATER ABMW-01 09/01/2015 2340 2360 2310 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 536 481 445 <1 <1 <1 169 168 164 ABMW-03 09/01/2015 6050 5960 6110 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 299 170 23 <1 <1 <1 172 174 170 ABMW-04 09/01/2015 1370 1400 1340 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 2960 2790 2650 <1 <1 <1 401 405 382 PZ-07 09/02/2015 <2500 1130 1160 <10 <10 <10 161 159 162 1200 1210 1200 <10 <10 <10 2100000 2220000 2170000 11.3 11.4 11 27300 27900 28500 PZ-08 09/02/2015 475 452 486 <1 <1 <1 2.24 <1 <1 12 10.5 9.35 4.99 <1 <1 Solo 4180 3430 2.23 <1 <1 1260 1230 1180 SURFICIAL UPPER ABMW-02SU 08/31/2015 162 145 120 <1 <1 <1 <1 <1 <1 16.3 45.8 44.6 1.16 9.41 1.4 1.4900 13100 10800 3.34 3.37 2.3 1350 4390 4070 MW-15SU 09/01/2015 54 N1 65 N1 61 N1 <1 N1 <1 N1 <1 N1 <1 N1 <1 N1 <1 N1 153 N1 149 N1 155 N1 11.6 N1 23.5 N1 14 N1 1580 N1 34 N1 25 N1 <1 N1 1.79 N1 <1 N1 16800 N1 12900 N1 12600 N1 MW-21SU 09/01/2015 <50 <50 <50 <1 <1 <1 <1 <1 <1 167 156 164 17.2 25.7 14 238 320 316 <1 1.78 <1 9960 9740 9930 PZ-02 09/02/2015 4320 4240 4280 <1 <1 <1 <1 <1 <1 8.43 7.96 8.1 <1 <1 <1 586 425 428 <1 <1 <1 2600 2500 2520 SURFICIAL LOWER ABMW-01S 08/31/2015 3760 3740 3680 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 1.04 <1 56 27 24 <1 <1 <1 262 259 264 ABMW-02SL 08/31/2015 <50 <50 <50 <1 <1 <1 <1 <1 <1 3.52 1.75 1.92 <1 <1 <1 7490 7140 7050 <1 <1 <1 710 690 686 ABMW-03S 08/31/2015 <50 <50 <50 <1 <1 <1 3.97 3.72 3.69 1.14 1.27 1.25 16.2 24.5 16.5 115 121 115 <1 1.38 <1 <5 <5 <5 ABMW-04S 08/31/2015 <50 <50 <50 <1 <1 <1 <1 <1 2.21 <1 <1 <1 <1 <1 <1 33200 30500 31100 <1 <1 <1 2030 1910 1940 ABMW-04S DUP 08/31/2015 <50 <50 <50 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 31300 29800 30300 <1 <1 <1 1910 1830 1840 ABM W-05S 09/01/2015 150 153 150 <1 <1 <1 <1 <1 <1 339 306 313 <1 <1 <1 142000 128000 136000 <1 <1 <1 35700 32300 33900 MW-10 09/02/2015 987 961 978 <1 <1 <1 <1 <1 <1 20.5 19.7 19.6 <1 <1 <1 740 435 262 <1 <1 <1 13100 12800 12900 MW-15SL 09/01/2015 <50 <50 <50 <1 <1 <1 <1 <1 <1 11.8 11.5 11.3 <1 1.9 <1 37500 36700 32800 <1 <1 <1 3630 3610 3470 MW-16S 09/01/2015 81 83 80 <1 <1 <1 <1 <1 <1 2.49 2.79 2.54 <1 <1 <1 385 376 298 <1 <1 <1 105 114 106 MW-21SL 09/01/2015 135 149 127 <1 <1 <1 7.12 6 3.57 8.98 9.05 9.49 <1 <1 <1 1740 1800 1770 <1 <1 <1 2080 2160 2080 BEDROCK ABM W-01BR 08/31/2015 1350 1360 1320 <1 <1 <1 8.39 <1 <1 <1 <1 <1 <1 <1 <1 264 66 39 <1 <1 <1 802 690 709 ABMW-03BR 09/01/2015 140 141 139 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 1.07 <1 1630 1480 1350 <1 <1 <1 1540 1560 1600 ABMW-05BR 09/01/2015 60 60 58 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 74 23 25 <1 <1 <1 67 63 61 MW-05BR 09/02/2015 <50 <50 <50 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 37 <10 <10 <1 <1 <1 <5 <5 <5 M W-06BR 09/01/2015 <50 <50 <50 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 177 160 65 <1 <1 <1 639 633 655 M W-09 09/01/2015 <50 <50 <50 <1 <1 <1 <1 <1 <1 1.51 1.4 1.29 <1 <1 <1 2290 2000 1870 <1 <1 <1 814 790 833 M W-09BR 09/01/2015 <50 <50 <50 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 491 482 406 <1 <1 <1 905 901 928 MW-10BR 09/02/2015 66 66 70 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 71 11 <10 <1 <1 <1 32 41 46 MW-10D 09/02/2015 478 391 387 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 346 298 183 <1 <1 <1 1050 1060 1050 M W-10D CUP 09/02/2015 372 375 393 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 294 302 293 <1 <1 <1 1080 1050 1070 MW-156R 09/01/2015 <50 <50 <50 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 5.4 <1 123 17 <10 <1 1.15 <1 62 63 54 M W-16BR 09/01/2015 52 52 51 <1 <1 <1 4.98 8.82 1.58 <1 <1 <1 1.53 <1 <1 311 304 173 <1 <1 <1 248 230 M W-20BR 09/01/2015 <50 <50 <50 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 214 53 51 <1 <1 <1 127 118 LLJ M W-21BR 09/01/2015 138 149 144 <1 <1 <1 31 3.16 3.02 <1 <1 <1 <1 6.86 <1 184 47 42 <1 <1 <1 7 7 Notes: = . Bold highlighted concentration indicates exceedance of the 15A NCAC 02L Standard, Appendix 2, April 1, 2013. < = 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. ORP = Oxidation Reduction Potential NE = Not established DIS = Dissolved, run through 0.45 micron filter DIS (0.1u) = Dissolved, run through 0.1 micron filter TOT = Total Temp = Temperature DO = Dissolved Oxygen Deg C = Degree Celsius mg/I = milligram per liter my = millivolts NTU = nephelometric turbidity unit S.U. = Standard Unit ug/I = microgram per liter umhos/cm = micro mhos per centimeter Spec Cond = Specific Conductance NM = Not Measured Eh = Redox potential M4 - The spike recovery value was unusable since the analyte concentration in the sample was disproportionate to the spike level N1 - Sample inadvertently collected with sample running through the flow cell and should be considered invalid based on possible contamination from the flow cell Prepared by: BER Checked by: CIS P:\Duke Energy Progress.1026\103. Cape Fear Ash Basin GW Assessment\16.Corrective Acton Plan\Tables\Table 3-6 0.1u Analytical Results.xlsx Page 2 of 3 TABLE 3-6 GROUNDWATER ANALYTICAL RESULTS - 0.45 VS 0.1 MICRON FILTRATION AUGUST AND SEPTEMBER 2015 CAPE FEAR STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC, MONCURE, NC Analytical Parameter Mercury Mercury Mercury Molybdenum Molybdenum Molybdenum Nickel Nickel Nickel Selenium Selenium Selenium Strontium Strontium Strontium Thallium Thallium Thallium Vanadium Vanadium Vanadium Zinc Zinc Zinc TOT DIS DIS (0.1u) TOT DIS DIS (0.1u) TOT DIS DIS (0.1u) TOT DIS DIS (0.1u) TOT DIS DIS (0.1u) TOT DIS DIS (0.1u) TOT DIS DIS (0.1u) TOT 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 SSA NCAC 02L Standard 1 NE NE NE NE NE 100 NE NE 20 NE NE NE NE NE 0.2* NE NE 0.3* NE NE 1000 NE NE Analytical Results ASH PORE WATER ABMW-01 09/01/2015 <0.05 <0.05 <0.05 291 269 262 1.96 2.01 2.16 1.01 <1 <1 1390 1400 1350 <0.2 <0.2 <0.2 0.618 0.59 0.375 <5 <5 <5 ABMW-03 09/01/2015 <0.05 <0.05 <0.05 227 226 229 5.5 4.5 4.54 1.01 <1 <1 4630 4710 4640 <0.2 <0.2 <0.2 11.1 10.6 11.1 <5 6 <5 ABMW-04 09/01/2015 <0.05 <0.05 <0.05 27.3 26.6 26.9 2.48 2.79 2.62 <1 <1 <1 3170 3210 3180 <0.2 <0.2 0.324 0.427 <0.3 <0.3 <5 <5 7 PZ-07 09/02/2015 <0.05 <0.05 <0.05 <10 <10 <10 2330 2400 2390 <10 13.7 16.1 10600 10600 10700 13.1 12.8 12.5 2160 2060 2080 3850 3020 3270 PZ-08 09/02/2015 <0.05 <0.05 <0.05 25.8 24.8 25.9 23 15.7 17.7 1.64 <1 <1 2660 2450 4 2580 1.35 1.26 1.26 20.8 11.3 13.4 10 5 6 SURFICIAL UPPER ABMW-02SU 08/31/2015 <0.05 <0.05 <0.05 <1 <1 <1 22.1 16.8 15.8 <1 <1 <1 414 407 363 0.238 <0.2 0.547 0.737 <0.3 <0.3 38 47 42 MW-15SU 09/01/2015 <0.05 N1 <0.05 N1 <0.05 N1 <1 N1 <1 N1 <1 N1 99.3 N1 75.6 N1 76.7 N1 <1 N1 <1 N1 <1 N1 793 N1 660 N1 625 N1 <0.2 N1 0.399 N1 <0.2 N1 1.51 N1 <0.3 N1 <0.3 N1 163 N1 157 N1 144 N1 MW-21SU 09/01/2015 <0.05 <0.05 <0.05 <1 <1 <1 45.4 41.4 44.3 1.01 <1 <1 522 554 534 <0.2 <0.2 <0.2 <0.3 <0.3 <0.3 215 184 170 PZ-02 09/02/2015 <0.05 <0.05 <0.05 <1 <1 <1 3.63 3.67 3.78 <1 <1 <1 340 334 334 <0.2 <0.2 <0.2 0.982 0.593 0.545 <5 <5 <5 SURFICIAL LOWER ABMW-01S 08/31/2015 <0.05 <0.05 <0.05 1060 1040 1040 4.43 4.08 4.14 <1 <1 <1 589 585 569 <0.2 <0.2 <0.2 2.54 1.87 1.97 <5 <5 <5 ABMW-02SL 08/31/2015 <0.05 <0.05 <0.05 <1 <1 <1 6.1 2.99 2.62 <1 <1 <1 45 43 40 <0.2 1.03 <0.2 <0.3 <0.3 <0.3 14 20 <5 ABMW-03S 08/31/2015 <0.05 <0.05 <0.05 99 101 103 16 16.8 16.7 2.93 2.84 2.61 2780 2660 2650 <0.2 <0.2 <0.2 6.41 7.37 7.14 <5 11 <5 ABMW-04S 08/31/2015 <0.05 <0.05 <0.05 3.31 2.75 2.96 <1 <1 <1 <1 <1 <1 204 191 193 <0.2 0.263 <0.2 0.422 <0.3 <0.3 <5 11 <5 ABMW-04S DUP 08/31/2015 <0.05 <0.05 <0.05 2.87 2.69 2.45 <1 <1 <1 <1 <1 <1 191 181 182 <0.2 <0.2 <0.2 0.336 <0.3 <0.3 <5 <5 <5 ABMW-05S 09/01/2015 <0.05 1 <0.05 <0.05 <1 <1 <1 155 139 141 1 <1 <1 <1 1 1590 1580 1630 <0.2 1 <0.2 <0.2 0.848 <0.3 <0.3 100 93 100 MW-10 09/02/2015 <0.05 <0.05 <0.05 <1 <1 <1 3.47 3.77 3.63 <1 <1 <1 1480 1460 1450 <0.2 <0.2 <0.2 0.342 <0.3 <0.3 8 11 54 MW-15SL 09/01/2015 <0.05 <0.05 <0.05 <1 <1 <1 <1 <1 <1 <1 <1 <1 109 109 105 <0.2 1.06 <0.2 0.48 <0.3 <0.3 <5 14 <5 MW-16S 09/01/2015 <0.05 <0.05 <0.05 <1 <1 <1 2.16 3.03 2.43 <1 <1 <1 758 792 758 <0.2 <0.2 <0.2 0.674 <0.3 <0.3 <5 8 <5 MW-21SL 09/01/2015 <0.05 <0.05 <0.05 <1 <1 <1 10.6 9.51 9.66 <1 <1 <1 617 641 587 <0.2 <0.2 <0.2 0.532 <0.3 <0.3 6 21 9 BEDROCK ABMW-01BR 08/31/2015 <0.05 <0.05 <0.05 30.4 28.9 29.3 2.14 1.94 1.97 <1 <1 <1 779 737 704 <0.2 <0.2 <0.2 0.703 <0.3 <0.3 <5 <5 <5 ABMW-03BR 09/01/2015 <0.05 <0.05 <0.05 <1 <1 <1 <1 <1 <1 <1 <1 <1 614 618 606 0.229 0.301 0.955 <0.3 <0.3 <0.3 5 12 13 ABMW-05BR 09/01/2015 <0.05 <0.05 <0.05 10.2 9.54 8.99 <1 <1 <1 <1 <1 <1 321 307 306 <0.2 <0.2 <0.2 0.333 <0.3 <0.3 <5 <5 6 MW-05BR 09/02/2015 <0.05 <0.05 <0.05 14.5 14.3 13.9 <1 <1 <1 <1 <1 <1 192 190 188 <0.2 <0.2 <0.2 19.9 18.7 18.9 <5 <5 <5 MW-06BR 09/01/2015 <0.05 <0.05 <0.05 2.62 2.74 2.58 <1 <1 <1 <1 <1 <1 894 897 850 0.586 <0.2 <0.2 0.784 0.562 0.595 46 <5 11 MW-09 09/01/2015 <0.05 I <0.05 <0.05 <1 <1 I <1 1.4 1.11 1.22 <1 <1 I <1 490 482 1 476 <0.2 <0.2 1 <0.2 0.41 <0.3 1 <0.3 6 8 8 MW-09BR 09/01/2015 <0.05 <0.05 <0.05 <1 <1 <1 <1 <1 <1 <1 <1 <1 642 646 630 <0.2 <0.2 <0.2 <0.3 <0.3 <0.3 <5 <5 <5 MW-10BR 09/02/2015 <0.05 <0.05 <0.05 16.9 13.9 13.2 <1 <1 <1 <1 <1 <1 982 930 938 0.701 <0.2 <0.2 2.31 1.07 1.29 <5 5 <5 MW-10D 09/02/2015 <0.05 <0.05 <0.05 <1 <1 <1 2.16 1.6 1.46 <1 <1 <1 1950 1690 1670 0.27 <0.2 <0.2 0.626 0.431 0.453 <5 26 40 MW-10D DUP 09/02/2015 <0.05 <0.05 <0.05 <1 <1 <1 1.34 1.38 1.4 <1 <1 <1 1660 1640 1670 <0.2 <0.2 <0.2 0.603 0.402 0.41 <5 27 <5 MW-156R 09/01/2015 <0.05 <0.05 <0.05 9.22 9.73 15.1 <1 <1 <1 1.92 2.66 2.14 435 461 467 <0.2 <0.2 <0.2 1.95 1.74 1.85 <5 16 <5 MW-16BR 09/01/2015 1 <0.05 1 <0.05 <0.05 11.3 1 12.2 1 12.7 2.97 7.98 8.21 <1 I <1 I <1 713 688 1 651 <0.2 <0.2 1 <0.2 <0.3 <0.3 <0.3 1 <5 <5 <5 MW-20BR 09/01/2015 <0.05 <0.05 <0.05 4.06 3.96 3.86 <1 <1 <1 <1 <1 <1 314 310 308 <0.2 <0.2 0.258 0.468 <0.3 <0.3 <5 <5 <5 MW-21BR 09/01/2015 <0.05 <0.05 <0.05 696 680 610 20.5 8.91 8.14 <1 <1 <1 103 109 106 <0.2 <0.2 <0.2 0.736 0.42 0.558 <5 15 <5 Notes: 0 - Bold highlighted concentration indicates exceedance of the 15A NCAC 02L Standard, Appendix 2, April 1, 2013. < = 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. ORP = Oxidation Reduction Potential NE = Not established DIS = Dissolved, run through 0.45 micron filter DIS (0.1u) = Dissolved, run through 0.1 micron filter TOT = Total Temp = Temperature DO = Dissolved Oxygen Deg C = Degree Celsius mg/I = milligram per liter my = millivolts NTU = nephelometric turbidity unit S.U. = Standard Unit ug/I = microgram per liter umhos/cm = micro mhos per centimeter Spec Cond = Specific Conductance NM = Not Measured Eh = Redox potential M4 - The spike recovery value was unusable since the analyte concentration in the sample was disproportionate to the spike level N1 - Sample inadvertently collected with sample running through the flow cell and should be considered invalid based on possible contamination from the flow cell Prepared by: BER Checked by: CJS P:\Duke Energy Progress.1026\103. Cape Fear Ash Basin GW Assessment\16.Corrective Acton Plan\Tables\Table 3-6 0.1u Analytical Results.xlsx Page 3 of 3 TABLE 4-1 SUMMARY OF Kd VALUES FROM BATCH AND COLUMN STUDIES CAPE FEAR STEAM ELECTRIC PLANT DUKE ENERGY COMPLEX, LLC, MONCURE, NC Batch Study Sample Site and Depth (feet) Parameter Antimony Arsenic Beryllium Boron Cobalt Manganese Thallium Vanadium MW-SBR SB (18-20) Trial - 1 37.3 450.7 3113.8 NLI 407.4 NLI 635.0 Trial - 2 37.3 559.1 3224.9 NLI 445.4 NLI 748.6 MW-6BR SB (14-16) Trial - 1 229.0 43.4 1314.3 NLI 354.6 NLI 43.4 Trial - 2 228.0 40.9 1575.9 NLI 373.9 NLI 51.2 MW-12BR SB (17-18) Trial - 1 17.6 31.5 207.5 NLI 33.8 64.1 28.4 Trial - 2 17.3 30.6 223.5 NLI 31.2 52.5 25.9 MW-17SL (12-15) Trial- 1 238.8 1158.7 1529.0 NLI 187.4 0.04 530.7 2348.0 Trial- 2 239.7 1148.0 1536.1 NLI 182.4 0.04 500.7 3378.2 MW-17SL (24-27) Trial - 1 60.1 112.5 45.7 NLI 21.2 0.01 26.9 132.7 Trial - 2 64.8 116.6 43.0 NLI 21.3 0.01 32.4 149.0 MW-20SB (17-19) Trial - 1 48.6 692.6 2577.4 NLI 1464.8 - NLI 594.1 Trial - 2 53.5 735.5 2572.5 NLI 1536.5 - NLI 669.4 MW-21SB (9-11) Trial - 1 1612.2 793.3 53.5 NLI NLI 0.002 81.7 NLI Trial - 2 1562.2 790.5 57.1 NLI NLI 0.002 85.7 NLI ABMW-1SB (39-41) Trial - 1 14.6 100.7 2155.5 NLI 301.4 - NLI 129.1 Trial - 2 15.2 103.4 2589.3 NLI 361.9 NLI 139.8 ABMW-1SB (47-50) Trial - 1 21.7 48.4 1565.3 NLI 296.3 NLI 54.1 Trial - 2 24.7 61.9 1646.7 NLI 361.2 - NLI 71.1 ABMW-2SB (5-6) Trial - 1 2814.6 727.9 113.6 NLI 67.3 0.004 92.7 NLI Trial - 2 3335.4 798.6 128.8 NLI 70.8 0.004 96.1 NLI ABMW-3SB (25-26) Trial - 1 83.8 1663.2 NLI NLI - 0.033 3145.0 2821.1 Trial - 2 70.2 2113.5 NLI NLI 274.4 0.034 - 3192.9 ABMW-4SB (28-30) Trial - 1 185.8 3396.2 NLI NLI - - NLI 2046.5 Trial - 2 155.2 3718.1 NLI NLI 3462.6 - NLI 1548.8 ABMW-5SB (29-30) Trial- 1 115.1 673.3 2435.5 73.3 0.004 146.9 1748.5 Trial - 2 92.6 578.9 2791.E - 76.2 0.004 155.E 1523.7 Geometric Mean 107.5 341.8 665.6 - 195.7 0.009 131.4 366.4 Mediani 77.0 626.1 1550.7 - 285.4 0.007 92.7 614.6 Lower Quartile (exclusive)l 34.2 1 91.0 1 125.0 1 - 1 69.9 1 0.004 1 58.3 66.9 Column Study MW-SBR SB (18-20) 1 Trial Only 150 600 1250 10 525 - 1250 425 MW-6BR SB (14-16) 1 Trial Only 70 40 1050 - 300 1050 125 MW-12BR SB (17-18) 1 Trial Only 100 75 950 20 240 475 225 MW-17SL (12-15) 1 Trial Only 275 300 600 12.5 300 320 290 MW-17SL (24-27) 1 Trial Only 150 80 800 10 160 150 145 MW-20SB (17-19) 1 Trial Only 125 100 - 50 550 45 270 MW-21SB (9-11) 1 Trial Only 500 275 1050 15 570 370 800 ABMW-1SB (39-41) 1 Trial Only 55 40 750 - 175 525 60 ABMW-1SB (47-50) 1 Trial Only 100 160 1500 10 430 1250 180 ABMW-2SB (5-6) Trial A 150 125 1000 20 200 125 225 ABMW-2SB (5-6) Trial B 200 175 1150 20 670 180 700 ABMW-2SB (5-6) Trial C 90 60 900 10 90 80 340 ABMW-3SB (25-26) 1 Trial Only 110 130 850 - 850 900 900 ABMW-5SB (29-30) 1 Trial Only 180 180 475 10 235 230 400 Geometric Mean 137 125 910 15 317 - 321 284 Median 138 128 950 13 300 - 345 280 Lower Quartile (exclusive) 97.5 71.3 775.0 10.0 193.8 - 143.8 171.3 Notes: - = No Data NLI= Non -linear isotherm Units reported in milliliters per gram (mL/g) Prepared by: MCD Checked by: KDB P:\Duke Energy Progress. 1026\103. Cape Fear Ash Basin GW Assessment\16.Corrective Acton Plan\Tables\Table 4-1 Summary of Kd Values from UNCC.xlsx Page 1 of 1 TABLE 4-2 DEEP, HAW, AND CAPE FEAR RIVER SURFACE WATER ANALYTICAL RESULTS CAPE FEAR STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC, MONCURE, NC Analytical Parameter pH Temp Spec Cond DO ORP Eh Turbidity Alkalinity Aluminum Aluminum Antimony Antimony Arsenic Arsenic Barium Barium Beryllium Beryllium Bi-Carb. Alk. Boron Boron DIS TOT DIS TOT DIS TOT DIS TOT DIS TOT DIS TOT Reporting Units S.U. Deg C umcros mg/I mV mV NTU mg/I ug/I ug/I ug/I ug/I ug/I ug/I ug/I ug/I ug/I ug/I mg/I ug/I ug/I Sample ID Collection Date Field Parameters Analytical Results SW-CFDG 05/28/2015 7.1 26 169 7.63 144 349 14.8 38 75 236 <1 <1 <1 <1 20 24 <1 <1 37 <50 <50 SW-CFDG 06/11/2015 6.6 27 175 7.41 87 292 18.4 34 153 298 <1 <1 <1 <1 19 23 <1 <1 34 <50 <50 SW-CFDG DUP 05/28/2015 7.4 26 168 7.56 87 292 22.8 38 72 199 <1 <1 <1 <1 19 24 <1 <1 37 <50 <50 SW-CFDG DUP 06/11/2015 6.7 26 176 7.29 95 300 16.7 33 153 266 <1 <1 <1 <1 19 24 <1 <1 33 <50 <50 SW-DEEPR 05/28/2015 7.1 25 168 7.67 81 286 14.5 39 96 257 <1 <1 <1 <1 21 24 <1 <1 39 <50 <50 SW-DEEPR 06/11/2015 7.1 27 150 6.66 89 294 16.6 27 198 346 <1 <1 <1 <1 19 21 <1 <1 27 <50 <50 SW -HAW 05/28/2015 7.1 24 162 8.43 73 278 9.44 35 43 137 <1 <1 <1 <1 20 24 <1 <1 35 <50 <50 SW -HAW 06/11/2015 7.0 25 202 6.34 105 0 10 40 16 88 1.26 <1 <1 <1 22 25 <1 <1 40 63 50 Analytical Parameter Cadmium Cadmium Calcium Carb. Alkalinity Chloride Chromium Chromium Cobalt Cobalt Copper Copper Iron Lead Lead Magnesium Manganese Manganese Mercury Methane Molybdenum Molybdenum DIS TOT DIS TOT DIS TOT DIS TOT TOT DIS TOT DIS TOT DIS TOT Reporting Units ug/I ug/I mg/I mg/I mg/I ug/I ug/I ug/I ug/I mg/I mg/I ug/I ug/I ug/I mg/I ug/I ug/I ug/I ug/I ug/I ug/I Sample ID Collection Date Analytical Results SW-CFDG 05/28/2015 <1 <1 9.04 <10 17 <1 <1 <1 <1 0.00138 0.00193 765 <1 <1 3.77 45 137 0.00204 <10 1.28 1.29 SW-CFDG 06/11/2015 <1 <1 7.99 <10 16 <1 <1 <1 <1 0.00177 0.00187 790 <1 <1 3.57 29 126 0.0015 14 1.52 1.4 SW-CFDG DUP 05/28/2015 <1 <1 9.05 <10 17 <1 <1 <1 <1 0.00207 0.00208 864 <1 <1 3.78 43 131 0.00221 19 1.26 1.3 SW-CFDG DUP 1 06/11/2015 <1 <1 8.07 <10 16 <1 <1 <1 <1 0.00195 0.00179 765 <1 <1 3.59 27 154 0.0014 14 1.4 1.42 SW-DEEPR 05/28/2015 <1 <1 9.19 <10 17 <1 <1 <1 <1 <0.001 0.002 909 <1 <1 4.02 51 83 0.00241 16 1.09 1.23 SW-DEEPR 06/11/2015 <1 <1 7.37 <10 14 <1 <1 <1 <1 0.00224 0.002 997 <1 <1 3.52 47 64 0.0019 19 <1 <1 SW -HAW 05/28/2015 <1 <1 8.55 <10 17 <1 <1 <1 <1 <0.001 0.00174 390 <1 <1 3.38 7 186 0.00. 948 20 1.57 1.56 SW -HAW 06/11/2015 <1 <1 9.33 <10 21 <1 <1 <1 <1 0.00124 0.00131 294 <1 <1 3.85 <5 208 <0.001 18 2.45 2.54 Analytical Parameter Nickel DIS Nickel TOT Nitrate (as N) Potassium Selenium Selenium Sodium Strontium Strontium Sulfate Sulfide Thallium Thallium TDS TOC TSS Vanadium Vanadium Zinc Zinc DIS TOT DIS TOT DIS TOT DIS TOT DIS TOT Reporting Units 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 Sample ID Collection Date Analytical Results SW-CFDG 05/28/2015 <1 <1 0.564 3.66 <1 <1 15.5 0.072 0.074 11 <0.1 <0.2 <0.2 97 6.4 9 1.39 1.96 0.04 <0.005 SW-CFDG 06/11/2015 <1 1.12 0.619 3.76 <1 <1 16.1 0.067 0.065 12 <0.1 <0.2 <0.2 110 7.3 11 1.44 1.59 0.008 <0.005 SW-CFDG DUP 05/28/2015 <1 1.05 0.542 3.69 <1 <1 15.4 0.072 0.078 13 <0.1 <0.2 0.274 91 6.2 14 1.5 1.87 0.016 0.007 SW-CFDG DUP 06/11/2015 <1 1.03 0.674 3.77 <1 <1 16.2 0.067 0.064 12 <0.1 <0.2 <0.2 100 7.3 10 1.42 1.63 0.059 0.191 SW-DEEPR 05/28/2015 <1 <1 0.748 3.98 <1 <1 15.3 0.071 0.072 10 <0.1 <0.2 <0.2 100 6.2 8 1.69 2.17 <0.005 <0.005 SW-DEEPR 06/11/2015 <1 <1 0.708 3.88 <1 <1 13.2 0.059 0.056 12 <0.1 0.383 <0.2 100 7.4 7 1.71 1.93 0.008 <0.005 SW -HAW 05/28/2015 <1 <1 0.337 3.03 <1 <1 16 0.075 0.076 12 <0.1 <0.2 <0.2 90 6.4 7 0.883 1.41 0.012 <0.005 SW -HAW 06/11/2015 1.18 1.41 0.298 3.63 <1 <1 22.2 0.083 0.08 16 <0.1 <0.2 <0.2 120 6.3 6 0.698 1.1 <0.005 <0.005 Notes: Downstream Location Bold highlighted concentration indicates exceedance of the 15A NCAC 02B Standard, April 22, 2015. Deg C = Degree Celsius DUP = Duplicate mV = millivolts NTU = nephelometric turbidity unit mg/I = milligram per liter DO= Dissolved Oxygen TOT = Total ug/L= micrograms per liter < = concentration not detected at or above the reporting limit Dis= Dissolved Spec Cord = Specific Conductance umhos/cm = micro mhos per centimeter S.U. = standard unit ORP = Oxidation Reduction Potential Prepared by: DGN Checked by: CJS P:\Duke Energy Progress.1026\103. Cape Fear Ash Basin GW Assessment\16.Corrective Acton Plan\Tables\Table 4-2 Surface Water Analytical Results in Cape Fear CAP l.xlsx Page 1 of 1