Loading...
HomeMy WebLinkAboutNC0001422_Table 12-4 Sutton Surficial Aquifer Downgradient VTV_20150805TABLE 12-4 RISK SCREENING TABLE: SURFICIAL AQUIFER DOWNGRADIENT GROUNDWATER DATA L.V. SUTTON ENERGY COMPLEX DUKE ENERGY PROGRESS, INC., WILMINGTON, NC Aluminum Aluminum Antimony Antimony Arsenic Arsenic Barium Barium Beryllium Beryllium Boron Boron Cadmium Cadmium Calcium Chromium Chromium Cobalt Cobalt Copper Copper 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 S.U.ft Deg C umhos /cm mg/l mV mV NTU mg/l mg/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l mg/l ug/l ug/l ug/l ug/l mg/l mg/l mg/l ug/l ug/l ug/l ug/l mg/l mg/l ug/l ug/l 6.5-8.5 NE NE NE NE NE NE NE NE NE NE NE NE 1 *NE 10 NE 700 NE 4 *NE NE 700 NE 2 NE NE 250 NE 10 NE 1 *NE 1 NE 300 Sample ID Sample Collection Date 421-Well 3 06/02/2015 5.7 NA 20 138 2.92 162 366.9 2.36 NM 9 NA 182 NA <1 NA <1 NA 44 NA <1 9 NA 73 NA <1 13.2 NA 7.2 NA <5 NA <1 NA <0.005 NA 37 421-Well 4 06/02/2015 5.3 NA 20 88 7.44 184 389.3 0.74 NM NA NA 239 NA <1 NA <1 NA 44 NA <1 <5 NA 54 NA <1 7.01 <5 7.5 NA <5 NA <1 NA <0.005 NA 71 ABMW-02D 04/27/2015 7.2 5.35 18 534 0.4 -144 60.6 1.86 1.2 90 5 91 <1 <1 162 172 58 63 <1 <1 90 521 559 <1 <1 33.1 <10 42 <1 <1 <1 <1 <0.001 <0.001 1250 1380 ABMW-02D 06/04/2015 7.9 4.45 21 524 0.76 -170 35.3 0.37 1 96 6 23 <1 <1 167 170 65 65 <1 <1 96 604 600 <1 <1 34.8 <10 43 <1 <1 <1 <1 <0.001 <0.001 1230 1270 AW-01B 02/06/2015 6.5 8.6 16 107 0.77 -92 113.2 249 NM 35 73 18300 <1 <1 <1 2.79 <5 140 <1 1.31 35 <50 53 <1 <1 5.67 <10 4 <1 6.94 <1 10.4 <0.001 0.00202 45 10900 AW-01B 06/02/2015 5.8 8.7 21 42 0.56 101 305.8 9.87 <0.5 <10 42 522 <1 <1 <1 <1 <5 <5 <1 <1 <10 <50 <50 <1 <1 1.01 <10 2.3 <1 <1 1.24 1.44 0.00131 <0.001 2160 2680 AW-01C 02/06/2015 5.8 8.68 15 194 0.15 -58 147.5 6.83 2 <10 19 148 <1 <1 <1 <1 164 168 <1 <1 <10 114 120 <1 <1 8.05 <10 38 <1 <1 4.99 5.07 <0.001 <0.001 1550 1700 AW-01C 06/02/2015 4.8 8.95 22 97 0.5 130 334.6 4.93 <0.5 <10 115 472 <1 <1 <1 <1 136 141 <1 <1 <10 111 98 <1 <1 5.24 <10 29 <1 <1 <1 <1 <0.001 <0.001 67 470 AW-02B 02/06/2015 6.5 18.64 15 269 2.7 -251 -46 5.69 4 12 8 61 <1 <1 <1 <1 50 50 <1 <1 12 <50 <50 <1 <1 17 <10 5.5 <1 <1 2.57 2.44 <0.001 <0.001 4330 4600 AW-02B 06/03/2015 6.1 19.25 20 24 0.6 176 381.2 4.03 1 <10 26 35 <1 <1 <1 <1 15 16 <1 <1 <10 <50 <50 <1 <1 1.6 <10 1.3 <1 <1 <1 <1 <0.001 <0.001 1630 1320 AW-02C 02/05/2015 6.7 18.65 18 762 1.7 -444 -239 8.43 6 12 25 141 <1 <1 <1 <1 36 37 <1 <1 12 <50 <50 <1 <1 5.25 <10 5.1 <1 <1 2.15 2.01 <0.001 0.00384 15500 16200 AW-02C 06/03/2015 5.9 19.25 20 60 0.6 77 281.8 2.69 4 14 21 117 <1 <1 <1 <1 49 55 <1 <1 14 <50 <50 <1 <1 1.96 <10 4.7 <1 <1 <1 <1 <0.001 <0.001 6840 7610 AW-03B 02/05/2015 6.6 9.23 17 89 0.3 -430 -225 27.1 4 21 12 112 <1 <1 <1 <1 9 9 <1 <1 21 <50 <50 <1 <1 7.06 <10 5.2 <1 <1 <1 <1 <0.001 <0.001 5470 6610 AW-03B 06/11/2015 5.8 9.57 20 49 0.3 -91 114.1 0.6 5 <10 35 32 <1 <1 <1 <1 9 10 <1 <1 <10 <50 <50 <1 <1 0.607 <10 3.8 <1 <1 <1 <1 <0.001 <0.001 6600 6290 AW-03C 02/05/2015 6.2 8.99 18 816 0.12 -476 -271 9.2 3.5 52 42 129 <1 <1 <1 <1 86 87 <1 <1 52 1080 1090 <1 <1 47.3 <10 130 <1 <1 24.9 23.8 <0.001 <0.001 24900 26600 AW-03C 06/11/2015 5.9 9.33 20 874 0.1 -67 138 1.61 2.5 43 26 22 <1 <1 1.54 1.54 98 96 <1 <1 43 1430 1370 <1 <1 46.8 <10 160 <1 <1 6.35 6.91 <0.001 <0.001 11700 11300 AW-04B 02/05/2015 6.5 10.27 17 72 1.55 -292 -86.8 14.7 1.5 17 6 36 <1 <1 <1 <1 19 21 <1 <1 17 <50 <50 <1 <1 7.15 <10 4.4 <1 <1 1.48 1.39 <0.001 <0.001 2280 2600 AW-04B 06/05/2015 6.2 10.58 19 43 4.55 46 251 0.45 <0.5 <10 <5 7 <1 <1 <1 <1 11 12 <1 <1 <10 <50 <50 <1 <1 4.28 <10 3.9 <1 <1 <1 <1 <0.001 <0.001 <10 41 AW-04C 02/05/2015 7.4 9.89 18 518 0.04 -579 -374 8.71 4.5 48 26 101 <1 <1 <1 <1 76 80 <1 <1 48 1150 1160 <1 <1 48.4 <10 37 <1 1.16 24.8 24.5 <0.001 <0.001 12400 15100 AW-04C 06/05/2015 6.2 10.18 20 525 0.36 -47 158.1 14.7 4.5 46 10 38 <1 <1 <1 <1 39 37 <1 <1 46 1440 1450 <1 <1 41.7 <10 49 <1 <1 <1 <1 <0.001 <0.001 4420 3990 AW-05B 03/24/2015 7.2 16.39 19 185 0.09 -193 12 8.9 2.5 39 27 46 <1 <1 <1 <1 63 66 <1 <1 39 <50 <50 <1 <1 15.5 <10 6.2 <1 <1 <1 <1 <0.001 <0.001 5800 6790 AW-05B 06/03/2015 8.5 16.7 20 86 0.36 -90 114.8 4.49 0 28 43 45 <1 <1 <1 <1 21 25 <1 <1 27 <50 <50 <1 <1 6.14 <10 1.6 <1 <1 <1 <1 <0.001 <0.001 33 281 AW-05C 03/24/2015 4.7 16.46 19 76 1.35 152 357 3.45 0 <10 160 202 <1 <1 <1 <1 36 37 <1 <1 <10 83 90 <1 <1 6.76 <10 5 <1 <1 <1 <1 <0.001 <0.001 46 138 AW-05C 06/03/2015 4.7 16.29 20 69 1.54 305 509.7 1.99 0 <10 220 256 <1 <1 <1 <1 32 36 <1 <1 <10 65 69 <1 <1 6.2 <10 4 <1 <1 <1 <1 <0.001 <0.001 <10 128 AW-06B 02/05/2015 5.6 8.49 18 60 4.56 53 258.1 5.96 0.5 <10 111 283 <1 <1 <1 <1 30 31 <1 <1 <10 <50 <50 <1 <1 3.64 <10 5.1 <1 <1 <1 <1 <0.001 <0.001 526 597 AW-06B 06/03/2015 4.8 9 20 38 6.55 155 359.6 4.85 <0.5 <10 764 890 <1 <1 <1 <1 30 32 <1 <1 <10 <50 <50 <1 <1 1.71 <10 3.6 <1 <1 <1 <1 <0.001 <0.001 <10 71 AW-08B 03/25/2015 5.3 6.57 19 45 0.31 -5 200.5 3.39 3 <10 53 118 <1 <1 <1 <1 31 34 <1 <1 <10 <50 <50 <1 <1 0.62 <10 2.2 <1 <1 2.29 2.36 <0.001 <0.001 5510 5380 AW-08B 06/02/2015 5.1 6.77 23 43 0.32 95 299.6 4.49 3.5 <10 198 276 <1 <1 <1 <1 25 25 <1 <1 <10 <50 <50 <1 <1 0.503 <10 2.3 1.03 1.65 2.55 2.53 <0.001 <0.001 4160 4450 AW-08C 03/25/2015 5.7 6.59 19 88 0.66 71 275.7 2.27 0 11 66 122 <1 <1 <1 <1 94 96 <1 <1 11 <50 <50 <1 <1 5.66 <10 7.5 <1 <1 1.98 2.26 <0.001 <0.001 275 291 AW-08C 06/02/2015 4.4 6.8 22 62 3.31 144 349.2 3.28 <0.5 <10 297 339 <1 <1 <1 <1 37 40 <1 <1 <10 <50 <50 <1 <1 1.94 <10 6.5 <1 <1 1.07 1.19 <0.001 <0.001 61 61 AW-09B 02/06/2015 5.7 8.43 16 49 4.13 -12 192.8 9.84 NM <10 233 1170 <1 <1 <1 <1 22 24 <1 <1 <10 <50 <50 <1 <1 3.07 <10 4.5 <1 1.03 <1 <1 <0.001 <0.001 1840 2520 AW-09B 06/04/2015 4.6 8.35 21 44 6.34 196 401.1 4.08 <0.5 <10 1080 1420 <1 <1 <1 <1 16 18 <1 <1 <10 <50 <50 <1 <1 1.21 <10 4.4 <1 <1 <1 <1 <0.001 <0.001 39 225 AW-09C 02/06/2015 5.8 8.31 16 383 0.15 -409 -204 9.91 4 17 32 188 <1 <1 <1 <1 120 121 <1 <1 17 597 611 <1 <1 24.7 <10 38 <1 <1 7.9 8.19 <0.001 <0.001 7810 8190 AW-09C 06/04/2015 5.1 8.25 21 314 0.92 204 409.1 2.34 NM <10 169 199 <1 <1 <1 <1 104 118 <1 <1 <10 566 554 <1 <1 19.8 <10 31 <1 <1 1.18 1.13 <0.001 <0.001 <10 102 MW-04B 03/11/2015 7.0 8.46 18 368 0.2 -86 119.1 5.3 NA NA NA NA NA <1 NA <1 NA 80 NA NA NA NA <50 NA <1 NA NA 12 NA <5 NA NA NA <0.005 NA 2940 MW-04B 06/01/2015 6.8 8.79 22 385 0.6 -43 161.7 9.98 NM 134 NA 7 NA <1 NA <1 NA 68 NA <1 134 NA <50 NA <1 60.1 <5 13 NA <5 NA <1 NA <0.005 NA 1280 MW-07A 06/02/2015 4.1 8.1 22 28 3.08 322 526.7 4.98 0 <10 919 1130 <1 <1 <1 <1 6 6 <1 <1 <10 <50 <50 <1 <1 0.794 <10 1.1 <1 <1 <1 <1 0.0131 <0.001 <10 93 MW-07B 06/02/2015 4.3 7.51 20 39 4.96 323 528.4 1.86 0 <10 540 590 <1 <1 <1 <1 22 22 <1 <1 <10 <50 <50 <1 <1 2.29 <10 2 <1 <1 <1 <1 0.0123 <0.001 <10 15 MW-07C 03/10/2015 5.3 6.68 19 248 1.46 232 437.2 2.13 NA NA NA NA NA <1 NA <1 NA 58 NA NA NA NA 490 NA <1 NA NA 30 NA <5 NA NA NA <0.005 NA 50 MW-07C 06/02/2015 5.0 7 21 299 1.23 256 461 1.86 0 <5 107 154 <1 <1 <1 <1 76 75 <1 <1 <5 571 560 <1 <1 19.6 <5 38 <1 <5 <1 <1 0.00108 <0.005 <10 166 MW-11 03/10/2015 4.5 12.67 19 49 4.73 307 511.8 3.82 NA NA NA NA NA <1 NA <1 NA 85 NA NA NA NA <50 NA <1 NA NA 3.9 NA <5 NA NA NA <0.005 NA 119 MW-11 06/01/2015 4.5 13.51 21 48 4.48 323 528 3.69 NA <5 NA 289 NA <1 NA <1 NA 82 NA <1 <5 NA <50 NA <1 1.83 <5 4 NA <5 NA <1 NA <0.005 NA 48 MW-12 03/10/2015 6.7 8.06 20 341 0.44 265 470.2 2.26 NA NA NA NA NA <1 NA <1 NA 36 NA NA NA NA 1500 NA <1 NA NA 110 NA <5 NA NA NA <0.005 NA 112 MW-12 06/02/2015 8.5 8.79 22 264 5.52 156 361 4.33 2.5 46.6 72 22 <1 <1 <1 <1 30 29 <1 <1 46.6 1490 1470 <1 <1 51.6 <5 100 <1 <5 1.21 1.26 <0.001 <0.005 5660 5690 MW-15 06/10/2015 6.8 3.22 20 408 0.1 -79 126 2.86 3 180 48 90 <1 <1 20.5 23.6 31 30 <1 <1 180 64 54 <1 <1 77.4 <10 7.6 <1 <1 <1 <1 <0.001 <0.001 3230 3690 MW-16 06/10/2015 5.9 6.81 21 151 2.28 39 243.9 1.83 <0.5 15 90 123 <1 <1 1.59 1.49 20 20 <1 <1 15 98 90 <1 <1 5.55 <10 19 <1 <1 <1 <1 <0.001 <0.001 95 113 MW-19 03/11/2015 6.4 20.1 20 679 0.31 187 391.6 1.12 NA NA NA NA NA <1 NA 2.22 NA 85 NA NA NA NA 2270 NA <1 NA NA 28 NA <5 NA NA NA <0.005 NA 1380 MW-19 06/01/2015 6.4 20.5 22 630 0.39 42 246.8 5.44 NA 114 NA 9 NA <1 NA 2.62 NA 73 NA <1 114 NA 2080 NA <1 61.5 <5 28 NA <5 NA 5.27 NA <0.005 NA 914 MW-20 06/10/2015 7.0 8.34 19 385 0.1 -51 154 1.3 0.5 100 28 39 <1 <1 1 1.12 59 55 <1 <1 100 65 52 <1 <1 49.1 <10 26 1.1 <1 <1 <1 <0.001 <0.001 607 747 MW-21C 03/11/2015 6.6 19.99 21 728 0.27 -35 170.5 8.06 NA NA NA NA NA <1 NA 55.4 NA 66 NA NA NA NA 2020 NA <1 NA NA 32 NA <5 NA NA NA <0.005 NA 5550 MW-21C 06/01/2015 6.5 20.35 21 697 0.2 -42 163.4 15.9 NA 154 NA 13 NA <1 NA 53.8 NA 66 NA <1 154 NA 2120 NA <1 70.3 <5 34 NA <5 NA 10.6 NA <0.005 NA 5110 MW-22B 03/11/2015 5.8 8.32 20 26 7.05 213 417.8 1.17 NA NA NA NA NA <1 NA <1 NA 10 NA NA NA NA <50 NA <1 NA NA 2.2 NA <5 NA NA NA <0.005 NA <10 MW-22B 06/01/2015 5.7 8.77 20 31 5.68 85 289.8 0.28 NA <5 NA 24 NA <1 NA <1 NA 9 NA <1 <5 NA <50 NA <1 2.15 <5 2.7 NA <5 NA <1 NA <0.005 NA <10 MW-22C 03/11/2015 6.4 8.43 20 733 0.22 128 333.3 2.93 NA NA NA NA NA <1 NA <1 NA 108 NA NA NA NA 2690 NA <1 NA NA 34 NA <5 NA NA NA <0.005 NA 499 MW-22C 06/01/2015 6.4 8.87 22 684 0.4 23 228.1 0.51 NA 123 NA <5 NA <1 NA <1 NA 95 NA <1 123 NA 2560 NA <1 69.9 <5 41 NA <5 NA 4.77 NA <0.005 NA 141 MW-23B 03/10/2015 6.4 4.81 17 109 5.07 300 504.5 2.29 NA NA NA NA NA <1 NA <1 NA 39 NA NA NA NA 245 NA <1 NA NA 3 NA <5 NA NA NA <0.005 NA 26 MW-23B 06/03/2015 6.3 4.71 19 90 2.21 34 238.9 0.88 <0.5 27.5 <5 29 <1 <1 <1 <1 38 39 <1 <1 27.5 144 137 <1 <1 11.8 <5 2.3 <1 <1 <1 <1 <0.001 <0.001 <10 20 MW-23C 03/10/2015 6.4 5.3 18 636 0.16 301 506.4 4.59 NA NA NA NA NA <1 NA <1 NA 38 NA NA NA NA 3060 NA <1 NA NA 32 NA <5 NA NA NA <0.005 NA 147 MW-23C 06/02/2015 6.6 5.94 22 454 0.33 16 220.6 1.27 <0.5 113 73 22 <1 <1 <1 <1 35 36 <1 <1 113 1980 2050 <1 <1 47.5 <5 29 <1 <5 3.79 5.19 <0.001 <0.005 31 88 MW-24B 03/10/2015 6.6 3.53 17 337 3.5 283 488.2 3.1 NA NA NA NA NA <1 NA <1 NA 49 NA NA NA NA 609 NA <1 NA NA 18 NA <5 NA NA NA <0.005 NA 16 MW-24B 06/02/2015 6.6 4.4 19 265 0.97 26 230.6 0.67 <0.5 59.2 83 7 <1 <1 2.91 <1 40 47 <1 <1 59.2 1080 409 <1 <1 22.8 <5 11 <1 <5 14 <1 <0.001 <0.005 2830 <10 MW-24C 03/10/2015 5.4 3.16 18 899 0.27 294 498.8 5.32 NA NA NA NA NA <1 NA 3.56 NA 43 NA NA NA NA 1150 NA <1 NA NA 160 NA <5 NA NA NA <0.005 NA 5600 MW-24C 06/02/2015 5.5 4 22 858 1.48 77 282.1 0.69 3 13.2 37 31 1.05 <1 <1 3.42 46 39 <1 <1 13.2 415 1040 <1 <1 49.9 <5 150 <1 <5 <1 18.6 <0.001 <0.005 <10 4180 MW-27B 03/10/2015 4.5 4.01 16 231 4.16 321 525.5 1.21 NA NA NA NA NA <1 NA <1 NA 38 NA NA NA NA 241 NA <1 NA NA 19 NA <5 NA NA NA <0.005 NA <10 Field Parameters Analytical Parameter Reporting Units 15A NCAC 02L pH Water Level Temp SpecCond DO ORP Eh Turbidity Ferrous Iron Analytical Results Alkalinity Bi-carbonateAlkalinity Carbonate Alkalinity Chloride P:\Duke Energy Progress.1026\108. Sutton Ash Basin GW Assessment Plan\1.11 CSA Reporting\Tables\Report Tables\Table 12-4 Sutton Surficial Aquifer Downgradient VTV Page 1 of 4 TABLE 12-4 RISK SCREENING TABLE: SURFICIAL AQUIFER DOWNGRADIENT GROUNDWATER DATA L.V. SUTTON ENERGY COMPLEX DUKE ENERGY PROGRESS, INC., WILMINGTON, NC Aluminum Aluminum Antimony Antimony Arsenic Arsenic Barium Barium Beryllium Beryllium Boron Boron Cadmium Cadmium Calcium Chromium Chromium Cobalt Cobalt Copper Copper 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 S.U.ft Deg C umhos /cm mg/l mV mV NTU mg/l mg/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l mg/l ug/l ug/l ug/l ug/l mg/l mg/l mg/l ug/l ug/l ug/l ug/l mg/l mg/l ug/l ug/l 6.5-8.5 NE NE NE NE NE NE NE NE NE NE NE NE 1 *NE 10 NE 700 NE 4 *NE NE 700 NE 2 NE NE 250 NE 10 NE 1 *NE 1 NE 300 Sample ID Sample Collection Date Field Parameters Analytical Parameter Reporting Units 15A NCAC 02L pH Water Level Temp SpecCond DO ORP Eh Turbidity Ferrous Iron Analytical Results Alkalinity Bi-carbonateAlkalinity Carbonate Alkalinity Chloride MW-27B 06/02/2015 4.7 4.39 21 196 4.81 151 355.9 2.67 <0.5 <5 235 240 <1 <1 <1 <1 39 42 <1 <1 <5 193 195 <1 <1 12.6 <5 14 <1 <1 1.79 1.65 <0.001 <0.001 <10 <10 MW-28B 03/11/2015 6.5 21.89 20 70 6.2 238 443.1 1.46 NA NA NA NA NA <1 NA <1 NA 32 NA NA NA NA <50 NA <1 NA NA 4.3 NA <5 NA NA NA <0.005 NA <10 MW-28B 06/01/2015 6.3 22.21 25 69 4.88 33 237.7 0.61 NM 8.2 NA 23 NA <1 NA <1 NA 28 NA <1 8.2 NA <50 NA <1 6.01 <5 4.8 NA <5 NA <1 NA <0.005 NA 10 MW-28B DUP 06/01/2015 6.3 22.21 25 69 4.88 33 237.7 0.61 NM 6.8 NA 20 NA <1 NA <1 NA 29 NA <1 6.8 NA <50 NA <1 5.83 <5 4.8 NA <5 NA <1 NA <0.005 NA 10 MW-28C 03/11/2015 5.6 21.08 21 49 5.47 269 474.3 1.82 NA NA NA NA NA <1 NA <1 NA 52 NA NA NA NA <50 NA <1 NA NA 2.7 NA <5 NA NA NA <0.005 NA 15 MW-28C 06/01/2015 5.6 21.42 22 55 5.26 77 282 1.09 NM <5 NA 37 NA <1 NA <1 NA 51 NA <1 <5 NA <50 NA <1 4 <5 2.6 NA <5 NA <1 NA <0.005 NA <10 MW-31B 04/29/2015 5.6 6.57 18 71 0.27 125 330.4 9.17 0.5 11 17 391 <1 <1 <1 <1 36 42 <1 <1 11 74 71 <1 <1 6.85 <10 4.7 <1 <1 <1 <1 <0.001 <0.001 453 902 MW-31B 06/05/2015 6.0 5.85 19 61 0.22 42 246.7 6.94 0.5 11 15 203 <1 <1 <1 <1 36 35 <1 <1 11 54 <50 <1 <1 5.61 <10 3.7 <1 <1 <1 <1 0.00141 <0.001 649 1180 MW-31C 03/10/2015 5.2 5.7 18 907 0.26 250 455.3 1.57 NA NA NA NA NA <1 NA <1 NA 57 NA NA NA NA 1190 NA <1 NA NA 170 NA <5 NA NA NA <0.005 3440 MW-31C 06/02/2015 5.2 6.59 21 908 0.63 144 349.4 3.93 3 14.4 83 29 <1 <1 <1 <1 57 55 <1 <1 14.4 1180 1180 <1 <1 54.8 <5 170 <1 <5 <1 <1 <0.001 <0.005 2780 2850 MW-31C 06/05/2015 5.4 5.93 20 877 0.61 82 287 3.83 2.5 14 15 19 <1 <1 <1 <1 57 57 <1 <1 14 1190 1180 <1 <1 55.6 <10 170 <1 <1 <1 1.1 7.59E-03 <0.001 2700 2690 MW-32C 03/11/2015 4.8 24.18 21 65 3.98 311 516.2 6.69 NA NA NA NA NA <1 NA <1 NA 30 NA NA NA NA 120 NA <1 NA NA 4 NA <5 NA NA NA <0.005 NA 74 MW-32C 06/01/2015 5.0 24.64 22 70 3.97 121 325.6 2.37 NM <5 NA 171 NA <1 NA <1 NA 27 NA <1 <5 NA 115 NA <1 5.2 <5 4.2 NA <5 NA <1 NA <0.005 NA 30 MW-33C 03/11/2015 4.8 14.15 21 53 1.5 266 470.7 2.25 NA NA NA NA NA <1 NA <1 NA 24 NA NA NA NA <50 NA <1 NA NA 4.3 NA <5 NA NA NA <0.005 NA 25 MW-33C 06/01/2015 4.6 14.61 23 55 1.06 134 339.3 0.96 NM <5 NA 136 NA <1 NA <1 NA 21 NA <1 <5 NA <50 NA <1 4.01 <5 4.5 NA <5 NA <1 NA <0.005 NA 20 SMW-01B 04/27/2015 5.0 4 19 159 2.52 187 391.9 9.7 0.5 <10 237 301 <1 <1 <1 <1 83 82 <1 <1 <10 131 138 <1 <1 14.4 <10 12 <1 <1 <1 <1 <0.001 <0.001 403 591 SMW-01B 06/05/2015 4.6 2.95 20 106 4.52 188 392.9 4.9 <0.5 <10 770 769 <1 <1 <1 <1 74 78 <1 <1 <10 99 100 <1 <1 9.29 <10 6.2 <1 <1 <1 <1 <0.001 <0.001 14 30 SMW-01C 04/27/2015 5.7 3.95 20 558 0.2 -85 120.2 3.8 3.2 25 34 154 <1 <1 <1 <1 38 38 <1 <1 25 781 783 <1 <1 38.1 <10 60 <1 <1 4.88 5.33 <0.001 <0.001 8950 9170 SMW-01C 06/05/2015 5.5 2.9 21 561 0.44 106 310.8 6.81 3.5 16 40 99 <1 <1 <1 <1 35 34 <1 <1 16 791 776 <1 <1 39 <10 66 <1 <1 <1 <1 <0.001 <0.001 4210 4250 SMW-02B 03/26/2015 6.6 10.25 20 240 2.25 -105 100.1 7.99 2 52 48 81 <1 <1 <1 <1 29 30 <1 <1 52 <50 <50 <1 <1 23.7 <10 9.9 <1 <1 1.64 1.77 <0.001 <0.001 10100 11400 SMW-02B 06/04/2015 6.4 9.6 22 281 0.43 26 231 3.9 NM 90 70 84 <1 <1 1.04 <1 59 61 <1 <1 90 <50 <50 <1 <1 28.3 <10 8.3 2.34 2.29 <1 <1 <0.001 <0.001 27900 28800 SMW-02C 03/26/2015 6.4 10.31 20 319 0.2 -440 -235 33.9 4.5 15 30 325 <1 <1 <1 <1 33 36 <1 <1 15 326 338 <1 <1 22.3 <10 28 <1 1.08 92 93.1 <0.001 <0.001 20400 19200 SMW-02C 06/04/2015 5.7 9.7 21 215 0.35 56 260.9 4.34 5.5 24 16 142 <1 <1 <1 <1 35 37 <1 <1 23 329 337 <1 <1 19.5 <10 23 <1 <1 2.85 3.37 <0.001 <0.001 5310 5370 SMW-03B 04/27/2015 5.6 9.04 20 308 0.3 176 381 8.76 0.3 41 11 55 <1 <1 <1 <1 44 46 <1 <1 41 <50 <50 <1 <1 35.1 <10 6.3 <1 <1 1.19 1.42 <0.001 0.00103 214 1350 SMW-03B 06/04/2015 5.5 7.8 21 342 0.29 113 317.9 3.2 1.5 43 21 25 <1 <1 <1 <1 52 53 <1 <1 43 52 50 <1 <1 41 <10 6.9 <1 <1 <1 <1 <0.001 <0.001 1320 1310 SMW-03C 06/04/2015 4.9 7.66 21 333 0.45 54 258.7 2.27 1 <10 153 163 <1 <1 <1 <1 84 86 <1 <1 <10 418 417 <1 <1 24.9 <10 35 <1 <1 9.95 9.21 <0.001 <0.001 1490 1510 SW-03D 04/27/2015 5.2 8.9 20 366 0.27 47 252.3 4.98 1.5 <10 97 139 <1 <1 <1 <1 86 88 <1 <1 <10 444 465 <1 <1 28.1 <10 39 <1 <1 13.9 15.4 <0.001 <0.001 2010 2420 SMW-04B 04/28/2015 6.1 5.7 17 111 0.4 -68 137.4 6.44 1 23 16 281 <1 <1 <1 <1 21 28 <1 <1 23 <50 <50 <1 <1 11 <10 4.9 <1 <1 1.04 1.17 <0.001 <0.001 945 1310 SMW-04B 06/05/2015 5.7 4.98 20 30 0.31 -60 145 1.8 4 21 20 86 <1 <1 <1 <1 16 17 <1 <1 21 <50 <50 <1 <1 5.42 <10 4.3 <1 <1 <1 <1 <0.001 <0.001 7470 7590 SMW-04C 04/28/2015 7.0 5.05 17 251 0.24 -260 -55.3 52 2.5 52 14 1310 <1 <1 <1 1.09 11 19 <1 <1 52 96 103 <1 <1 9 <10 18 <1 1.03 <1 <1 <0.001 <0.001 3430 4990 SMW-04C 06/05/2015 6.6 4.33 21 203 0.3 -130 75.3 8.61 3.5 41 19 260 <1 <1 2.09 2.56 32 36 <1 <1 41 79 85 <1 <1 9.59 <10 18 <1 <1 <1 <1 <0.001 <0.001 8860 9660 SMW-05B 04/28/2015 5.6 6.3 19 232 0.22 30 235.3 2.03 2.5 40 57 66 <1 <1 1.54 1.7 36 36 <1 <1 40 95 87 <1 <1 17.8 <10 12 <1 1.01 <1 <1 <0.001 <0.001 20700 19700 SMW-05B 06/05/2015 5.7 5.33 21 237 0.13 -8 197 4.68 2 50 39 42 <1 <1 1.34 1.47 36 36 <1 <1 50 <50 <50 <1 <1 27.3 <10 5.2 <1 <1 <1 <1 <0.001 <0.001 11400 9910 SMW-05C 04/28/2015 6.0 6.02 18 226 0.56 -33 172.5 2.61 1.5 <10 9 23 <1 <1 <1 <1 81 82 <1 <1 <10 347 347 <1 <1 15.3 <10 28 <1 <1 11.2 11.4 <0.001 <0.001 1880 1890 SMW-05C 06/05/2015 4.9 5.06 22 230 1.57 239 444.4 1.86 0 <10 109 121 <1 <1 <1 <1 76 79 <1 <1 <10 365 362 <1 <1 15.2 <10 33 <1 <1 2.44 2.6 0.00127 <0.001 78 175 SMW-06B 04/29/2015 5.2 6.1 17 127 0.7 163 368 2.38 0.8 <10 34 97 <1 <1 <1 <1 39 45 <1 <1 <10 59 68 <1 <1 5.58 <10 4.8 <1 <1 <1 <1 0.00103 <0.001 540 638 SMW-06B DUP 04/29/2015 5.2 6.1 17 127 0.7 163 368 2.38 0.8 <10 36 78 <1 <1 <1 <1 42 44 <1 <1 <10 65 61 <1 <1 5.43 <10 5 <1 <1 <1 <1 <0.001 <0.001 575 587 SMW-6B 06/03/2015 5.7 5.08 19 171 0.92 -29 175.9 0.46 <0.5 <10 70 73 <1 <1 <1 <1 43 48 <1 <1 <10 59 60 <1 <1 5.36 <10 5.8 <1 <1 <1 <1 <0.001 <0.001 16 22 SMW-06C 04/29/2015 5.6 6.35 18 216 0.2 11 216.1 7.51 2.8 17 25 147 <1 <1 3.62 4.28 54 58 <1 <1 17 184 192 <1 <1 17.7 <10 19 <1 <1 7.23 7.92 <0.001 <0.001 4490 4480 SMW-06C 06/04/2015 5.0 5.21 21 194 0.48 -8 196.9 2.1 1 12 38 63 <1 <1 2.55 2.79 51 53 <1 <1 12 199 197 <1 <1 15.5 <10 20 <1 <1 3.69 3.65 <0.001 <0.001 1310 1320 ------------------------------71/73 85/86 0/73 0/104 13/73 19/104 71/73 103/104 0/73 1/86 51/86 45/73 63/104 0/73 0/104 86/86 0/85 104/104 3/73 8/104 30/73 35/86 8/73 3/104 63/73 97/104 ------------------------------117 414 1.05 ---28.36 26.71 48 51 ---1.31 45 473 696 ------19.57 ---26.39 1.49 2.02 8.6 8.6 0.00489 0.00230 4627 3584 ------------------------------1080 18300 1.05 ---167 172 164 168 ---1.31 180 1980 3060 ------77.4 ---170 2.34 6.94 92 93.1 0.0131 0.00384 27900 28800 ------------------------------0 0 0 0 0 5 0 0 0 0 0 0 21 0 0 0 0 0 0 0 0 35 0 0 0 62 ------------------------------4/6 6/6 0/4 0/9 2/4 2/3 4/4 9/9 4/6 0/6 4/6 0/4 0/4 0/4 0/9 6/6 0/6 9/9 0/4 0/9 2/4 3/6 1/4 0/9 5/6 8/9 ------------------------------293 260 ------2.59 3.01 25 37 ------52.2 ------------13.8 ---10.9 ------2.54 2.38 0.0108 ---4649 3006 ------------------------------601 746 ------2.62 3.08 43 80 ------134 ------------60.1 ---21 ------2.72 2.99 0.0108 ---9320 9580 ------------------------------0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 0 0 0 5 ------------------------------Aluminum(DIS)Aluminum(TOT)Antimony(DIS)Antimony(TOT)Arsenic(DIS)Arsenic(TOT) Barium (DIS)Barium(TOT)Beryllium(DIS) Beryllium(TOT) Bi-carbonateAlkalinity Boron(DIS) Boron(TOT)Cadmium(DIS)Cadmium(TOT) Calcium(TOT) Carbonate Alkalinity Chloride Chromium (DIS)Chromium (TOT)Cobalt (DIS)Cobalt (TOT)Copper (DIS)Copper (TOT)Iron (DIS)Iron(TOT) ------------------------------0 0 0 0 0 5 0 0 0 0 0 0 21 0 0 0 0 0 0 0 0 35 0 0 0 62 ------------------------------0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Prepared by: BER/LAM Checked by: RAG Coal Ash COPC No Yes No No No Yes No Yes No No No No Yes No No No No No No No No No No No No Yes Groundwater Standard No Yes Yes Yes Yes Conc. > Groundwater Standard Yes2 Yes No Yes Yes COPC Potentially attributable to coal ash No Yes No No No Yes No No No No No No Yes No No No No No No No No No No No No Yes Notes: - Bold highlighted concentration indicates exceedance of the 15A NCAC 02L Standard, Appendix 2, April 1, 2013.mg- N/L = milligram Nitrogen per liter DIS = Dissolved ft = feet ORP = Oxidation Reduction Potential * = Interim Maximum Allowable Concentrations (IMACs) pf the 15A NCAC 02L Standard, Appendix 1, Apirl 1, 2013. ug/l = microgram per liter mg/l = milligram per liter mV = millivolts Deg C = Degree celsius NA = Not analyzed for March 2015 or June 2015 NPDES Compliance Sampling Event NE = Not established --- = not applicable TOT = Total S.U. = Standard Unit < = concentration not detected at or above the reporting limit umhos/cm = micro mhos per centimeter DUP = Duplicate DO = Dissolved Oxygen Spec Cond = Specific Conductance Note 1: If analytical method detection limit or concentration exceeds soil RSL Note 2: If no soil RSL Average Surficial Aquifer Downgradient Sample Concentrations (Detections Only) Maximum Concentration Number of Surficial Aquifer Downgradient Samples that Exceed NCAC 2L Detections/Samples Average Surficial Aquifer Background Concentrations (Detections Only) Maximum Concentration Number of Surficial Aquifer Backgroundwater Samples that Exceed NCAC 2L Detections/Samples Groundwater Screening Consituents Conc. > Groundwater Criteria Detect. Limit > Groundwater Criteria P:\Duke Energy Progress.1026\108. Sutton Ash Basin GW Assessment Plan\1.11 CSA Reporting\Tables\Report Tables\Table 12-4 Sutton Surficial Aquifer Downgradient VTV Page 2 of 4 TABLE 12-4 RISK SCREENING TABLE: SURFICIAL AQUIFER DOWNGRADIENT GROUNDWATER DATA L.V. SUTTON ENERGY COMPLEX DUKE ENERGY PROGRESS, INC., WILMINGTON, NC Lead Lead Magnesium Manganese Manganese Mercury Mercury Molybdenum Molybdenum Nickel Nickel Potassium Selenium Selenium Sodium Strontium Strontium Thallium Thallium Vanadium Vanadium Zinc Zinc DIS TOT TOT DIS TOT DIS TOT DIS TOT DIS TOT TOT DIS TOT TOT DIS TOT DIS TOT DIS TOT DIS TOT ug/l ug/l mg/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l mg-N/L mg/l ug/l ug/l mg/l mg/l mg/l mg/l mg/l ug/l ug/l mg/l mg/l mg/l ug/l ug/l mg/l mg/l NE 15 NE 50 NE 1 NE NE NE NE 100 10 NE NE 20 NE NE NE 250 NE NE 0.2 *500 NE NE NE 0.3 *NE 1 Sample ID Sample Collection Date 421-Well 3 06/02/2015 NA <1 1.25 NA 84 NA <0.05 NA NA <1 NA <5 1.5 1.28 NA <1 5.63 NA NA 24 NA NA <0.2 66 NA <5 NA NA NA <0.005 421-Well 4 06/02/2015 NA <1 1.03 NA 57 NA <0.05 NA NA <1 NA <5 0.72 1.21 NA <1 5 NA NA 17 NA NA <0.2 45 NA <5 NA NA NA <0.005 ABMW-02D 04/27/2015 <1 <1 12 135 144 <0.05 <0.05 58 99.8 103 2.9 3.02 <0.01 9.73 <1 <1 45.7 1.08 1.16 90 <0.1 <0.2 <0.2 310 2 <5 <0.3 0.613 <0.005 <0.005 ABMW-02D 06/04/2015 <1 <1 11.9 150 150 <0.05 <0.05 49 113 117 2.61 2.22 0.011 9.63 <1 <1 45.8 1.22 1.23 91 <0.2 <0.2 <0.2 300 2 <5 0.504 <0.3 <0.005 <0.005 AW-01B 02/06/2015 <1 16.1 0.903 <5 145 <0.05 <0.05 26 10.4 4.08 <1 3.26 0.029 0.818 <1 <1 31.2 <0.005 0.12 8.7 <0.1 <0.2 <0.2 910 4.3 130 0.388 4.85 <0.005 0.016 AW-01B 06/02/2015 <1 <1 0.237 89 105 <0.05 <0.05 25 1.44 1.37 1.07 <1 0.044 0.365 <1 <1 4.91 0.007 0.008 4.5 <1 <0.2 <0.2 44 0.58 12 <0.3 <0.3 0.015 <0.005 AW-01C 02/06/2015 <1 <1 2.8 306 320 <0.05 <0.05 12 <1 <1 1.26 <1 0.343 2.47 2.49 2.44 21.5 0.075 0.077 28 <0.1 <0.2 <0.2 110 0.545 <5 <0.3 <0.3 0.009 0.011 AW-01C 06/02/2015 <1 <1 2.25 171 179 <0.05 <0.05 <10 <1 <1 <1 <1 0.445 2.24 2.78 2.6 16.4 0.066 0.062 32 <0.5 <0.2 <0.2 84 0.549 7 <0.3 <0.3 <0.005 <0.005 AW-02B 02/06/2015 <1 <1 0.782 822 814 <0.05 <0.05 15 2.2 2.31 1.71 1.57 <0.04 17.7 1.79 1.63 15.5 0.132 0.129 88 <0.1 <0.2 <0.2 140 2.1 5 <0.3 0.32 0.005 0.009 AW-02B 06/03/2015 <1 <1 0.285 202 204 <0.05 <0.05 <10 1.43 1.4 <1 <1 0.014 0.864 <1 <1 0.867 0.01 0.01 2.9 <0.1 <0.2 <0.2 <25 0.723 <5 <0.3 <0.3 <0.005 <0.005 AW-02C 02/05/2015 <1 <1 0.641 402 401 <0.05 <0.05 <10 1.16 1.19 1.97 2.79 0.03 1.2 <1 <1 3.26 0.02 0.02 15 0.1 <0.2 <0.2 42 1.1 16 <0.3 <0.3 0.006 0.008 AW-02C 06/03/2015 <1 <1 0.567 54 57 <0.05 <0.05 <10 <1 <1 <1 <1 0.031 1.17 <1 <1 2.78 0.012 0.012 3 2.43 <0.2 <0.2 38 1.2 <5 <0.3 <0.3 <0.005 <0.005 AW-03B 02/05/2015 <1 <1 0.88 167 161 <0.05 <0.05 <10 2.06 2.25 <1 <1 0.011 1.27 <1 <1 3.62 0.022 0.02 4 0.1 <0.2 <0.2 46 2.4 9 <0.3 <0.3 <0.005 0.016 AW-03B 06/11/2015 <1 <1 0.629 15 13 <0.05 <0.05 24 <1 <1 <1 <1 <0.01 1.28 <1 <1 1.29 <0.005 <0.005 4 0.439 <0.2 <0.2 29 2.7 <5 0.421 0.427 0.012 <0.005 AW-03C 02/05/2015 <1 <1 10.3 2080 2120 <0.05 <0.05 11 2.04 1.85 3.78 4.37 0.032 6.2 <1 <1 75.3 0.528 0.537 110 0.1 <0.2 <0.2 450 3.5 19 <0.3 <0.3 0.123 0.126 AW-03C 06/11/2015 <1 <1 11.5 1940 1830 <0.05 <0.05 21 <1 <1 <1 <1 0.015 8.14 <1 <1 91.1 0.7 0.672 140 2.29 <0.2 <0.2 510 1.7 <5 0.596 0.75 <0.005 <0.005 AW-04B 02/05/2015 <1 <1 0.656 223 232 <0.05 <0.05 <10 4.37 4.01 <1 1.29 0.016 1.09 <1 <1 2.86 0.022 0.023 4.7 0.1 <0.2 <0.2 43 1.1 8 <0.3 <0.3 <0.005 0.008 AW-04B 06/05/2015 <1 <1 0.438 23 22 <0.05 <0.05 <10 <1 <1 <1 <1 0.062 0.899 <1 <1 1.4 0.012 0.013 5.4 <0.1 <0.2 <0.2 <25 0.478 <5 <0.3 <0.3 <0.005 0.009 AW-04C 02/05/2015 <1 <1 5.3 1170 1270 <0.05 <0.05 21 2.19 2.3 <1 1.47 0.03 6.07 <1 <1 32.7 0.678 0.672 110 0.1 <0.2 <0.2 300 3.9 26 <0.3 0.85 0.042 0.064 AW-04C 06/05/2015 <1 <1 6.87 797 787 <0.05 <0.05 19 <1 <1 <1 <1 0.038 7.72 <1 <1 39.4 0.836 0.877 120 3.89 <0.2 <0.2 310 1.3 <5 0.394 0.518 <0.005 <0.005 AW-05B 03/24/2015 <1 <1 0.457 385 391 <0.05 <0.05 17 6.73 6.5 <1 <1 <0.01 6.79 1.26 <1 14.3 0.082 0.085 15 <0.1 <0.2 <0.2 130 40 14 <0.3 <0.3 <0.005 <0.005 AW-05B 06/03/2015 <1 <1 0.066 17 26 <0.05 <0.05 <10 8.12 8.54 <1 <1 0.011 5.74 <1 <1 6.53 0.024 0.026 8.7 0.173 <0.2 <0.2 50 1.8 <5 <0.3 <0.3 <0.005 <0.005 AW-05C 03/24/2015 <1 <1 0.526 24 25 <0.05 <0.05 <10 <1 <1 <1 <1 0.152 0.945 <1 <1 2.97 0.025 0.026 26 <0.1 <0.2 <0.2 33 0.397 <5 <0.3 <0.3 <0.005 <0.005 AW-05C 06/03/2015 <1 <1 0.52 20 21 <0.05 <0.05 <10 <1 <1 <1 <1 0.409 0.879 <1 <1 2.53 0.024 0.025 23 <0.1 <0.2 <0.2 40 0.5 <5 <0.3 <0.3 <0.005 <0.005 AW-06B 02/05/2015 <1 <1 0.61 90 90 <0.05 <0.05 <10 <1 <1 1.04 1.59 0.015 1.42 <1 <1 3.77 0.016 0.016 9.4 0.1 <0.2 <0.2 27 3.1 <5 <0.3 <0.3 <0.005 <0.005 AW-06B 06/03/2015 <1 <1 0.395 17 17 <0.05 <0.05 <10 <1 <1 <1 <1 0.05 0.849 <1 <1 1.54 0.023 0.025 14 <0.1 <0.2 <0.2 <25 0.454 <5 <0.3 <0.3 <0.005 <0.005 AW-08B 03/25/2015 <1 <1 0.391 35 35 <0.05 <0.05 16 <1 <1 <1 <1 <0.01 1.36 12.5 <1 1.08 0.005 0.006 6.9 1.37 <0.2 <0.2 <50 1.5 <5 <0.3 0.437 <0.005 <0.005 AW-08B 06/02/2015 <1 <1 0.357 28 29 <0.05 <0.05 34 <1 <1 <1 <1 0.022 1.01 <1 <1 1.15 <0.005 <0.005 16 0.527 0.258 <0.2 26 1.2 <5 0.346 0.335 0.008 0.013 AW-08C 03/25/2015 <1 <1 2.3 58 57 <0.05 <0.05 <10 <1 <1 1.26 1.48 0.392 1.18 <1 <1 4.92 0.036 0.037 14 <0.1 <0.2 <0.2 43 0.486 <5 <0.3 <0.3 0.012 0.012 AW-08C 06/02/2015 <1 <1 1.05 22 23 <0.05 <0.05 <10 <1 <1 1.31 <1 0.449 1.05 <1 <1 4.29 0.023 0.023 21 <0.1 <0.2 <0.2 30 0.214 <5 <0.3 <0.3 0.015 0.01 AW-09B 02/06/2015 <1 <1 0.515 77 82 <0.05 <0.05 <10 <1 <1 1.48 1.38 0.325 1.28 <1 <1 2.39 0.018 0.019 6.5 <0.1 <0.2 <0.2 <25 1.1 8 <0.3 0.56 <0.005 <0.005 AW-09B 06/04/2015 <1 <1 0.391 18 18 <0.05 <0.05 <10 <1 <1 <1 <1 0.158 0.656 <1 <1 2.07 0.012 0.011 18 <0.1 0.272 <0.2 <25 0.76 <5 <0.3 <0.3 <0.005 <0.005 AW-09C 02/06/2015 <1 <1 5.79 460 466 <0.05 <0.05 <10 <1 <1 2.59 2.34 0.114 4.11 <1 <1 30.2 0.245 0.246 97 <0.1 <0.2 <0.2 210 0.478 6 <0.3 0.52 0.006 0.008 AW-09C 06/04/2015 <1 <1 4.93 304 289 <0.05 <0.05 <10 <1 <1 <1 <1 0.435 3.96 <1 <1 24.4 0.19 0.193 99 <0.1 <0.2 <0.2 190 0.39 <5 <0.3 <0.3 <0.005 <0.005 MW-04B 03/11/2015 NA <1 NA NA 81 NA <0.05 NA NA NA NA <5 NA NA NA <1 NA NA NA 9.3 NA NA <0.2 180 NA NA NA NA NA <0.005 MW-04B 06/01/2015 NA <1 2.16 NA 59 NA <0.05 NA NA <1 NA <5 0.05 2.36 NA <1 5.61 NA NA 10 NA NA <0.2 210 NA <5 NA NA NA <0.005 MW-07A 06/02/2015 1.27 <1 0.113 <5 <5 <0.05 <0.05 <10 <1 <1 1.57 1.34 0.71 0.17 <1 <1 0.452 <0.005 <0.005 14 <0.1 <0.2 <0.2 <25 0.518 <5 <0.3 <0.3 0.015 <0.005 MW-07B 06/02/2015 1.16 <1 0.249 7 9 <0.05 <0.05 <10 <1 <1 <1 <1 0.53 1.22 <1 <1 1.06 0.015 0.015 17 <0.1 <0.2 <0.2 <25 0.415 <5 <0.3 <0.3 0.015 0.006 MW-07C 03/10/2015 NA <1 NA NA 202 NA <0.05 NA NA NA NA <5 NA NA NA <1 NA NA NA 67 NA NA <0.2 140 NA NA NA NA NA <0.005 MW-07C 06/02/2015 <1 <1 4.79 343 368 <0.05 <0.05 <10 <1 <1 <1 <5 0.457 4.37 <1 <1 30.5 0.251 0.242 83 <0.1 <0.2 0.405 200 0.748 <5 <0.3 0.573 <0.005 <0.005 MW-11 03/10/2015 NA <1 NA NA 33 NA <0.05 NA NA NA NA <5 NA NA NA <1 NA NA NA 13 NA NA <0.2 <25 NA NA NA NA NA <0.005 MW-11 06/01/2015 NA <1 0.609 NA 30 NA <0.05 NA NA <1 NA <5 0.51 1.76 NA <1 1.89 NA NA 12 NA NA <0.2 <25 NA <5 NA NA NA <0.005 MW-12 03/10/2015 NA <1 NA NA 316 NA <0.05 NA NA NA NA <5 NA NA NA <1 NA NA NA 160 NA NA <0.2 430 NA NA NA NA NA <0.005 MW-12 06/02/2015 <1 <1 10.2 677 691 <0.05 <0.05 13 15.9 15.2 <1 <5 0.018 9.33 <1 <1 63.5 1.27 1.31 130 <0.2 <0.2 <0.2 410 2.5 <5 <0.3 <0.3 <0.005 <0.005 MW-15 06/10/2015 <1 <1 4.08 79 76 <0.05 <0.05 870 9.12 9.6 <1 <1 <0.01 2.5 <1 <1 6.24 0.373 0.365 17 <0.1 <0.2 <0.2 250 12 <5 2.19 3.88 0.015 <0.005 MW-16 06/10/2015 <1 <1 2.44 10 9 <0.05 <0.05 45 2.91 3 <1 <1 <0.01 4.79 <1 <1 16.6 0.08 0.08 22 <0.1 <0.2 <0.2 84 3 <5 <0.3 0.316 <0.005 <0.005 MW-19 03/11/2015 NA <1 NA NA 444 NA <0.05 NA NA NA NA <5 NA NA NA <1 NA NA NA 150 NA NA 0.405 400 NA NA NA NA NA 0.013 MW-19 06/01/2015 NA <1 13.2 NA 386 NA <0.05 NA NA 112 NA <5 0.02 12.8 NA <1 31.2 NA NA 140 NA NA 0.458 380 NA <5 NA NA NA 0.009 MW-20 06/10/2015 <1 <1 4.27 114 107 <0.05 <0.05 420 6.95 6.53 11.1 14.3 <0.01 3.73 <1 <1 20.5 0.356 0.35 45 0.19 <0.2 <0.2 220 4.1 <5 26 39.6 <0.005 <0.005 MW-21C 03/11/2015 NA <1 NA NA 493 NA <0.05 NA NA NA NA 9 NA NA NA <1 NA NA NA 130 NA NA <0.2 420 NA NA NA NA NA <0.005 MW-21C 06/01/2015 NA <1 15.9 NA 430 NA <0.05 NA NA 191 NA 9 0.08 14.4 NA <1 34.8 NA NA 140 NA NA <0.2 420 NA 7 NA NA NA <0.005 MW-22B 03/11/2015 NA <1 NA NA 6 NA <0.05 NA NA NA NA <5 NA NA NA <1 NA NA NA 4.4 NA NA <0.2 <25 NA NA NA NA NA <0.005 MW-22B 06/01/2015 NA <1 0.288 NA <5 NA <0.05 NA NA 1.5 NA <5 0.2 0.223 NA <1 1.42 NA NA 4.8 NA NA <0.2 <25 NA <5 NA NA NA <0.005 MW-22C 03/11/2015 NA <1 NA NA 986 NA <0.05 NA NA NA NA <5 NA NA NA <1 NA NA NA 160 NA NA 0.506 430 NA NA NA NA NA <0.005 MW-22C 06/01/2015 NA <1 16 NA 732 NA <0.05 NA NA 169 NA <5 0.13 14.6 NA <1 35.9 NA NA 160 NA NA 0.398 440 NA <5 NA NA NA <0.005 MW-23B 03/10/2015 NA <1 NA NA 11 NA <0.05 NA NA NA NA <5 NA NA NA 7.43 NA NA NA 15 NA NA <0.2 55 NA NA NA NA NA <0.005 MW-23B 06/03/2015 <1 <1 1.9 <5 9 <0.05 <0.05 <10 130 129 <1 <1 0.123 2.86 4.77 4.88 1.52 0.355 0.365 9.8 <0.1 <0.2 <0.2 55 1 <5 <0.3 <0.3 <0.005 <0.005 MW-23C 03/10/2015 NA <1 NA NA 384 NA <0.05 NA NA NA NA <5 NA NA NA <1 NA NA NA 120 NA NA <0.2 380 NA NA NA NA NA <0.005 MW-23C 06/02/2015 <1 <1 10.3 280 309 <0.05 <0.05 <10 368 396 <1 <5 <0.01 13.3 <1 <1 24.3 1.47 1.52 69 <0.1 <0.2 0.21 280 2.7 <5 <0.3 0.323 <0.005 <0.005 MW-24B 03/10/2015 NA <1 NA NA 40 NA <0.05 NA NA NA NA <5 NA NA NA <1 NA NA NA 38 NA NA <0.2 180 NA NA NA NA NA <0.005 MW-24B 06/02/2015 <1 <1 6.19 868 35 <0.05 <0.05 <10 <1 97 4.09 <5 0.015 3.92 <1 <1 10.5 0.599 0.568 28 <0.1 <0.2 <0.2 140 1.2 <5 0.318 0.555 0.055 <0.005 MW-24C 03/10/2015 NA <1 NA NA 1470 NA <0.05 NA NA NA NA 6 NA NA NA <1 NA NA NA 160 NA NA <0.2 500 NA NA NA NA NA 0.068 MW-24C 06/02/2015 <1 <1 13.4 37 1120 <0.05 <0.05 26 92.5 <1 <1 5 0.066 6.34 <1 <1 83.3 0.563 0.534 150 <0.1 <0.2 <0.2 500 1.7 <5 0.366 0.543 <0.005 0.06 MW-27B 03/10/2015 NA <1 NA NA 78 NA <0.05 NA NA NA NA <5 NA NA NA 36.2 NA NA NA 75 NA NA <0.2 120 NA NA NA NA NA <0.005 TotalSuspendedSolids Analytical Results Methane Nitrate(as N)Sulfate Sulfide Total Dissolved Solids Analytical Parameter Reporting Units 15A NCAC 02L Total Organic Carbon P:\Duke Energy Progress.1026\108. Sutton Ash Basin GW Assessment Plan\1.11 CSA Reporting\Tables\Report Tables\Table 12-4 Sutton Surficial Aquifer Downgradient VTV Page 3 of 4 TABLE 12-4 RISK SCREENING TABLE: SURFICIAL AQUIFER DOWNGRADIENT GROUNDWATER DATA L.V. SUTTON ENERGY COMPLEX DUKE ENERGY PROGRESS, INC., WILMINGTON, NC Lead Lead Magnesium Manganese Manganese Mercury Mercury Molybdenum Molybdenum Nickel Nickel Potassium Selenium Selenium Sodium Strontium Strontium Thallium Thallium Vanadium Vanadium Zinc Zinc DIS TOT TOT DIS TOT DIS TOT DIS TOT DIS TOT TOT DIS TOT TOT DIS TOT DIS TOT DIS TOT DIS TOT ug/l ug/l mg/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l mg-N/L mg/l ug/l ug/l mg/l mg/l mg/l mg/l mg/l ug/l ug/l mg/l mg/l mg/l ug/l ug/l mg/l mg/l NE 15 NE 50 NE 1 NE NE NE NE 100 10 NE NE 20 NE NE NE 250 NE NE 0.2 *500 NE NE NE 0.3 *NE 1 Sample ID Sample Collection Date TotalSuspendedSolids Analytical Results Methane Nitrate(as N)Sulfate Sulfide Total Dissolved Solids Analytical Parameter Reporting Units 15A NCAC 02L Total Organic Carbon MW-27B 06/02/2015 <1 <1 2.57 54 55 <0.05 <0.05 <10 <1 <1 <1 <1 1.3 3.88 26.7 28.4 12.8 0.12 0.124 62 4.18 0.291 <0.2 110 0.45 <5 <0.3 <0.3 0.006 <0.005 MW-28B 03/11/2015 NA <1 NA NA 10 NA <0.05 NA NA NA NA <5 NA NA NA <1 NA NA NA 11 NA NA <0.2 46 NA NA NA NA NA <0.005 MW-28B 06/01/2015 NA <1 0.793 NA 10 NA <0.05 NA NA <1 NA <5 0.27 2.1 NA <1 1.91 NA NA 10 NA NA <0.2 40 NA <5 NA NA NA <0.005 MW-28B DUP 06/01/2015 NA <1 0.785 NA 10 NA <0.05 NA NA <1 NA <5 0.27 2.09 NA <1 1.97 NA NA 9.9 NA NA <0.2 40 NA <5 NA NA NA <0.005 MW-28C 03/11/2015 NA <1 NA NA 14 NA <0.05 NA NA NA NA <5 NA NA NA <1 NA NA NA 7.4 NA NA <0.2 33 NA NA NA NA NA <0.005 MW-28C 06/01/2015 NA <1 0.699 NA 8 NA <0.05 NA NA 6.23 NA <5 0.6 1.8 NA <1 1.55 NA NA 10 NA NA <0.2 26 NA <5 NA NA NA <0.005 MW-31B 04/29/2015 <1 <1 1.33 34 49 <0.05 <0.05 33 <1 <1 <1 <1 0.014 1.19 <1 <1 2.98 0.135 0.139 9.8 <0.5 <0.2 <0.2 48 2.5 8 <0.3 0.742 0.008 0.006 MW-31B 06/05/2015 <1 <1 1.05 68 73 <0.05 <0.05 33 <1 <1 <1 <1 0.01 1.01 <1 <1 2.21 0.121 0.115 8 <0.1 <0.2 <0.2 40 2.6 <5 <0.3 0.378 <0.005 0.012 MW-31C 03/10/2015 <1 NA NA 1840 NA <0.05 NA NA NA NA <5 NA NA NA <1 NA NA NA 160 NA NA <0.2 510 NA NA NA NA NA 0.049 MW-31C 06/02/2015 <1 <1 14.8 1700 1680 <0.05 <0.05 17 <1 <1 <1 <5 0.016 7.06 <1 <1 88.4 0.686 0.648 160 <0.1 <0.2 <0.2 540 0.668 <5 <0.3 <0.3 0.047 0.05 MW-31C 06/05/2015 <1 <1 14.4 1750 1740 <0.05 <0.05 10 <1 <1 <1 <1 0.024 7.18 <1 <1 88.1 0.674 0.69 160 <0.1 <0.2 <0.2 540 0.63 <5 0.316 <0.3 0.055 0.05 MW-32C 03/11/2015 NA <1 NA NA 22 NA <0.05 NA NA NA NA <5 NA NA NA <1 NA NA NA 18 NA NA <0.2 26 NA NA NA NA NA <0.005 MW-32C 06/01/2015 NA <1 0.616 NA 30 NA <0.05 NA NA <1 NA <5 0.36 1.06 NA <1 2.77 NA NA 16 NA NA <0.2 31 NA <5 NA NA NA 0.011 MW-33C 03/11/2015 NA <1 NA NA 33 NA <0.05 NA NA NA NA <5 NA NA NA <1 NA NA NA 11 NA NA <0.2 <25 NA NA NA NA NA <0.005 MW-33C 06/01/2015 NA <1 0.584 NA 30 NA <0.05 NA NA <1 NA <5 0.66 0.724 NA <1 2.58 NA NA 12 NA NA <0.2 30 NA <5 NA NA NA <0.005 SMW-01B 04/27/2015 <1 <1 1.18 11 12 <0.05 <0.05 <10 <1 <1 <1 <1 0.385 1.85 <1 <1 8.56 0.04 0.04 40 <0.1 <0.2 <0.2 90 0.948 <5 <0.3 <0.3 0.007 <0.005 SMW-01B 06/05/2015 <1 <1 0.792 13 14 <0.05 <0.05 <10 <1 <1 <1 <1 0.441 1.85 <1 <1 4.41 0.035 0.035 45 <0.1 <0.2 <0.2 57 0.885 <5 <0.3 <0.3 <0.005 <0.005 SMW-01C 04/27/2015 <1 <1 8.47 845 852 <0.05 <0.05 <10 <1 <1 1.73 2.54 0.015 5.77 <1 <1 42.4 0.462 0.467 140 <0.1 <0.2 <0.2 330 0.708 <5 <0.3 0.337 0.011 0.006 SMW-01C 06/05/2015 <1 <1 8.04 810 807 <0.05 <0.05 <10 <1 <1 <1 <1 0.032 5.67 <1 <1 45.2 0.499 0.488 140 1.87 <0.2 <0.2 340 1.3 <5 <0.3 0.402 0.01 <0.005 SMW-02B 03/26/2015 <1 <1 1.68 209 235 <0.05 <0.05 170 4.64 4.18 1.39 1.47 0.241 2 <1 <1 12.2 0.06 0.061 27 <0.1 <0.2 <0.2 130 4.5 15 1.55 2.35 0.01 0.006 SMW-02B 06/04/2015 <1 <1 1.01 412 413 <0.05 <0.05 830 <1 1.01 <1 <1 0.054 1.25 <1 <1 5.58 0.059 0.059 3.2 0.473 <0.2 <0.2 140 11 38 1.61 1.42 <0.005 <0.005 SMW-02C 03/26/2015 <1 <1 3.84 1920 1970 <0.05 <0.05 14 <1 <1 1.75 2.13 0.033 3.68 <1 <1 18.6 0.211 0.22 72 <0.2 <0.2 <0.2 180 1.1 17 <0.3 0.828 0.007 0.007 SMW-02C 06/04/2015 <1 <1 3.35 539 539 <0.05 <0.05 <10 <1 <1 <1 <1 0.039 3.4 <1 <1 15.5 0.216 0.221 49 <0.1 <0.2 <0.2 130 1.9 <5 <0.3 <0.3 <0.005 <0.005 SMW-03B 04/27/2015 <1 <1 4.8 56 57 <0.05 <0.05 <10 <1 <1 2.03 3.13 14 4.64 <1 <1 5.59 0.062 0.066 27 <0.1 <0.2 <0.2 200 2.5 <5 <0.3 0.324 0.01 0.007 SMW-03B 06/04/2015 <1 <1 4.8 92 91 <0.05 <0.05 <10 <1 <1 1.41 <1 15 5.85 <1 <1 5.57 0.08 0.082 38 <0.1 <0.2 <0.2 250 3.2 <5 <0.3 <0.3 <0.005 <0.005 SMW-03C 06/04/2015 <1 <1 4.72 591 584 <0.05 <0.05 <10 <1 <1 <1 <1 0.012 3.39 <1 <1 22.5 0.216 0.218 93 0.177 <0.2 <0.2 190 0.504 <5 0.424 <0.3 <0.005 0.006 SW-03D 04/27/2015 <1 <1 5.48 682 719 <0.05 <0.05 <10 <1 <1 <1 <1 <0.01 3.67 <1 <1 25.6 0.227 0.235 94 <0.1 <0.2 <0.2 220 0.567 <5 <0.3 0.632 0.009 0.006 SMW-04B 04/28/2015 <1 <1 0.811 59 73 <0.05 <0.05 11 7 8.74 <1 1.14 <0.01 0.996 <1 <1 7.64 0.025 0.033 14 <1 <0.2 <0.2 64 1.2 16 <0.3 0.466 <0.005 0.005 SMW-04B 06/05/2015 <1 <1 0.499 83 85 <0.05 <0.05 19 1.89 2.66 <1 <1 0.039 0.35 <1 <1 2.66 0.013 0.014 6.6 0.652 <0.2 <0.2 42 1.1 <5 <0.3 <0.3 <0.005 <0.005 SMW-04C 04/28/2015 <1 1.29 3.17 184 220 <0.05 <0.05 <10 7.07 6.23 <1 <1 0.017 0.775 <1 <1 39.4 0.045 0.056 30 <0.1 <0.2 <0.2 210 3.2 72 <0.3 0.825 0.014 <0.005 SMW-04C 06/05/2015 <1 <1 3.49 124 132 <0.05 <0.05 <10 1.66 2.69 <1 <1 0.044 1.15 <1 <1 22.1 0.055 0.054 16 0.147 <0.2 <0.2 110 3.2 21 0.328 0.803 <0.005 <0.005 SMW-05B 04/28/2015 <1 <1 2.3 236 222 <0.05 <0.05 140 <1 <1 <1 <1 0.036 3.44 <1 <1 6.4 0.078 0.075 41 <0.1 <0.2 <0.2 140 7.9 9 <0.3 0.629 0.015 0.013 SMW-05B 06/05/2015 <1 <1 2.26 148 139 <0.05 <0.05 130 <1 <1 <1 <1 0.135 4.46 <1 <1 3.6 0.065 0.065 49 0.399 <0.2 <0.2 150 0.706 <5 0.77 0.81 <0.005 <0.005 SMW-05C 04/28/2015 <1 <1 3.39 367 350 <0.05 <0.05 <10 1.42 1.27 2.97 2.89 0.01 2.5 <1 <1 16.4 0.245 0.24 46 <0.1 <0.2 <0.2 130 0.435 <5 <0.3 <0.3 0.014 <0.005 SMW-05C 06/05/2015 <1 <1 3.24 131 130 <0.05 <0.05 <10 <1 <1 <1 <1 <0.01 2.37 <1 <1 18 0.226 0.228 53 <0.1 0.26 <0.2 120 0.429 <5 <0.3 <0.3 0.006 <0.005 SMW-06B 04/29/2015 <1 <1 0.758 42 44 <0.05 <0.05 <10 <1 <1 <1 <1 0.513 9.42 <1 <1 8.33 0.029 0.029 32 <0.1 <0.2 <0.2 82 1.1 <5 <0.3 <0.3 <0.005 <0.005 SMW-06B DUP 04/29/2015 <1 <1 0.78 43 43 <0.05 <0.05 <10 <1 <1 <1 <1 0.53 9.12 <1 <1 8.62 0.029 0.029 35 <0.1 <0.2 <0.2 72 0.863 <5 <0.3 <0.3 0.005 <0.005 SMW-6B 06/03/2015 <1 <1 0.759 30 30 <0.05 <0.05 <10 <1 <1 <1 <1 0.8 8.92 <1 <1 10.6 0.028 0.029 42 <0.1 <0.2 <0.2 83 0.83 <5 <0.3 <0.3 <0.005 <0.005 SMW-06C 04/29/2015 <1 <1 3.02 313 322 <0.05 <0.05 <10 <1 <1 2.44 2.67 0.02 2.29 <1 <1 11.7 0.133 0.134 43 0.254 <0.2 <0.2 130 1 <5 <0.3 0.388 <0.005 0.008 SMW-06C 06/04/2015 <1 <1 2.83 276 273 <0.05 <0.05 <10 <1 <1 1.5 <1 0.017 2.02 <1 <1 11.6 0.133 0.132 40 2.95 <0.2 <0.2 110 2.4 <5 <0.3 <0.3 <0.005 <0.005 2/73 2/104 86/86 70/73 102/104 0/73 0/104 30/73 26/73 32/86 23/73 25/104 74/86 86/86 7/73 7/104 86/86 69/73 70/73 104/104 23/73 4/73 6/104 91/104 73/73 21/86 16/73 33/73 31/73 33/104 1.215 8.695 3.59 351 329 ------104 34.77 44.33 2.39 3.50 0.6 3.8 7.5 11.9 17.5 0.239 0.239 51 1.00 0.27 0.397 188 2.4 22 2.28 2.040 0.019 0.021 1.27 16.1 16 2080 2120 ------870 368 396 11.1 14.3 15 17.7 26.7 36.2 91.1 1.47 1.52 160 4.18 0.291 0.506 910 40 130 26 39.6 0.123 0.126 0 1 0 0 68 0 0 0 0 0 0 0 2 0 0 2 0 0 0 0 0 0 6 5 0 0 0 33 0 0 1/6 0/9 6/6 4/4 9/9 0/4 0/9 2/4 0/4 0/6 0/4 0/9 5/6 6/6 0/4 0/9 6/6 3/4 3/4 3/4 0/4 0/4 0/9 7/9 4/4 1/6 2/4 2/4 3/4 2/9 1.03 ---1.38 133.75 240 ------27.5 ------------0.129 2.32 ------5.26 0.015 0.015 9.9 ---------105 3.0 5 0.656 1.19 0.013 0.013 1.03 ---2.21 249 535 ------29 ------------0.368 4.98 ------14.5 0.02 0.02 14 ---------210 5.6 5 0.795 1.22 0.015 0.015 0 0 0 0 7 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 0 Lead (DIS)Lead (TOT)Magnesium(TOT)Manganese (DIS)Manganese (TOT) Mercury (CVAFS) (TOT) Mercury (TOT) Methane Molybdenum (DIS)Molybdenum (TOT)Nickel (DIS)Nickel(TOT)Nitrate(as N)Potassium (TOT) Selenium (DIS)Selenium (TOT) Sodium (TOT)Strontium (DIS)Strontium (TOT)Sulfate Sulfide Thallium (DIS)Thallium (TOT) TotalDissolved Solids Total Organic Carbon TotalSuspendedSolids Vanadium (DIS)Vanadium (TOT)Zinc (DIS)Zinc (TOT) 0 1 0 0 68 0 0 0 0 0 0 0 2 0 0 2 0 0 0 0 0 0 6 5 0 0 0 33 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Prepared by: BER/LAM Checked by: RAG Prepared by: BER/LAM Checked by: RAG Coal Ash COPC No No No No Yes No No No No No No No No No No No No No No No No No No Yes No No No Yes No No Groundwater Standard Yes Yes Yes Conc. > Groundwater Standard Yes Yes Yes COPC Potentially attributable to coal ash No No No No Yes No No No No No No No No No No No No No No No No No No Yes No No No Yes No No Notes: - Bold highlighted concentration indicates exceedance of the 15A NCAC 02L Standard, Appendix 2, April 1, 2013.mg- N/L = milligram Nitrogen per liter DIS = Dissolved ft = feet ORP = Oxidation Reduction Potential * = Interim Maximum Allowable Concentrations (IMACs) pf the 15A NCAC 02L Standard, Appendix 1, Apirl 1, 2013. ug/l = microgram per liter mg/l = milligram per litermV = millivolts Deg C = Degree celsius NA = Not analyzed for March 2015 or June 2015 NPDES Compliance Sampling Event NE = Not established --- = not applicable TOT = Total S.U. = Standard Unit < = concentration not detected at or above the reporting limit umhos/cm = micro mhos per centimeter DUP = Duplicate DO = Dissolved Oxygen Spec Cond = Specific Conductance Note 1: If analytical method detection limit or concentration exceeds soil RSL Note 2: If no soil RSL Maximum Concentration Detections/Samples Average Surficial Aquifer Downgradient Sample Concentrations (Detections Only) Number of Surficial Aquifer Downgradient Samples that Exceed NCAC 2L Detections/Samples Average Surficial Aquifer Background Sample Concentrations (Detections Only) Maximum Concentration Number of Surficial Aquifer Background Samples that Exceed NCAC 2L Groundwater Screening Constituents Conc. > Groundwater Criteria Detect. Limit > Groundwater Criteria P:\Duke Energy Progress.1026\108. Sutton Ash Basin GW Assessment Plan\1.11 CSA Reporting\Tables\Report Tables\Table 12-4 Sutton Surficial Aquifer Downgradient VTV Page 4 of 4 TABLE 12-4 RISK SCREENING TABLE: SURFICIAL AQUIFER DOWNGRADIENT GROUNDWATER DATA L.V. SUTTON ENERGY COMPLEX DUKE ENERGY PROGRESS, INC., WILMINGTON, NC �� ���®aa®aa®a®aaasaas,�aam.®�®�®�aa®aaa•am®�aaa•®�®�®�®���® ��aaat®�®�®��®�©®aa®®® aaat®®®dam®aa®aa®®�®aaa•aaa•®®��� ��®m•®mama®®®®®®�®®®®®mm®®®�®®®®mm,o®®® �aam® ' P'\Duke Energy Progress. 1026\108. Sutton Ash Bash GW Abessm,,t Pla,\1.11 CSA Rep0,b,g\Tables\Rep,,t Tables\Table 12-4 Sutton SurFldal Aquifer D,w,gadlen[ V V Page 1 d 4 TABLEI2-4 RISK SCREENING TABLE: SURFICIAL AQUIFER DOWNGRADIENT GROUNDWATER DATA L.V. SUTTON ENERGY COMPLEX DUKE ENERGY PROGRESS, INC., WILMINGTON, NC �� ®®®m�m�®ate®®®®®®mom®®mm,m•®®®®mm.®®®®' mmmm� �� m•m®msm®m�®�®®®®®®m■m®®mm,®®®®m�mm•®®®® mmmm� �� m�mm■mom®moo®mom®®®®®m®®®�mm®®®mmt®®®®®mmm�� �� m■mom®mom®®®®®�®®®mom®®®®®mm®®Ammtm®mmt®®mmmm� ��®®®mom■m®mom®®®�®®mom®®®®®®®m®®®mmtm®®®®mmm�� ' �� • ' mom®m�®®®®�A®®®®®mm®®mm,®®®®®mm,m®®® mmmm �� ®m®m■m®®gym®®®®®�®m®®mm!®®®®mm,®®®® mmmm� Pa if MANIN "I SO MY 1111 Groundwater Screening Aluminum Aluminum Antimony Antimony Arsenic Arsenic Barium Barium Beryllium Beryllium Bi Boron Boron Cadmium Cadmium Calcium Carbonate Chromium Chromium Cobalt Cobalt Copper Copper Iron ConsiWents --- --- --- --- --- --- --- --- --- --- (DIS) (TOT) (DIS) (TOT) (DIS) (TOT) (DIS) (TOT) (DIS) (TOT) carbonate Alkalini (DIS) (TOT) (DIS) (TOT) (TOT) Alkalinity Chloride (DIS) (TOT) (DIS) (TOT) (DIS) (TOT) Iron (DIS) (TOT) Conc. > Groundwater Criteria --- --- --- --- --- --- --- --- --- --- 0 0 0 0 0 5 0 0 0 0 0 0 21 0 0 0 0 0 0 0 0 35 0 0 0 62 Detect. Limit> Groundwater Criteria Prepared by: BER LAM Checked by: MG Coal Ash C Groundwater St.., Conc. > Groundwater Stam COPC Potentially attributable to coal Notes: 0 -Bold highlighted concentration indicates ex d,mc of the 15A NCAC 02L Standard, Appendix 2, April 1, 2013. mg- N/L = milligram Nitrogen per liter DIS = Dissolved ft = feet ORP = Oxidation Reduction Potential * = Interim Maximum Allowable Concentrations (IMAC,d pf the 15A NCAC 02L Stmd-di, Appendix 1, Apid 1, 2013. ug/I = microgram per liter mg/I = milligmm per liter mV = millivolts Deg C = Degree Celsius NA = Not analyzed for March 2015 or mm, 2015 NPDES Compliance Sampling Event NE = Not established — - = notapplicable TOT = Tothl S.U. = Standard Unit < = concentration not detected ator above the reporting limit mho/cm = micro mhos per centimeter DUP = Duplicate DO = Dissolved Oxygen Spec Cond = Specific Conductance Note 1: If analytical method detection limit or concentration exceeds soil RSL Note 2: If no soil RSL P\Duke Energy Progress. 1026\108. Suttnn Ash Bash GW Abessment Plan\1.11 CSA Rep,,b,g\Tables\Report Tables\Table 12-4 Sutton SurFldal Aquifer D,w,gadlent VN Page 2,f 4 TABLE 12-4 RISK SCREENING TABLE: SURFICIAL AQUIFER DOWNGRADIENT GROUNDWATER DATA L.V. SUTTON ENERGY COMPLEX DUKE ENERGY PROGRESS, INC., WILMINGTON, NC ���®�� m■m■m•�®m.®mt®m■®am•m•m�m•m•®mt®m•m•�m� ��®®®® m■m•m��®mtmt®®®®m•®m�m•m•m■©®m• �m� ��® �® m■m.®��®®mtms®®®�m•m�m•m• ' ®ems �� ��®®�� m■m.®®®®®mt®®®®m�mam�m•m•m■mt®m•m•�m� ��®®®® m■m.m.®®®®mt®m■®®m�m�m�m•m•mmtom•m• ��®®�� m■m.m.®®®®mtm,®®mtm■m•®�m•m•®mt®m•m• ��®®�� ' m■m.m��m.®mt®®®®msmam�m•m•m■®®m•��m� ��®®®� ' m■m.®®®®®mtm•®®®m■m�m®m•m• ' ®®mom ��®®�® m•m.m■®�®®mtm.®®mtm�m�®�m.m•®®om.m.�ms ��®®�� m■m.m®®®®mt®®®®m�m�m�m•m•m■m®m•m• �� ®®�m®m■m.m.��®®mt®®®®msm�m�m•m•mmt®m•m• �� ®®�m®m■m.m.®®®®mtm�®®®msm�m�m•m•mmt®m•m• �� ®®�mmm■m.m.®®®®mtm�®®®m■m�m�m•m•®mt®m•m• ��®®gym®m■m.®®®®®mtm•®®®��®�m•m•®®®mom ' �m� ��®®®m m■m.m■®®®mtmtm•®®®m�mam�m•m•®mt®m•m•�m� �� ®®�®®m■m.m.®®®®mtm•®®®m■m•m�m•m•m■mt®m•m•�m• ��®®gym m■m.m■®®m.mtmtm•®®®msms®�m•m•®®om• ' �� ®®�mmm■m.m.®®®®mtm�®®mtm�mlm�m�m•®mt®m•m• ��®®®� m■m.m■®®®®mt®®®mtm�m�®�m•m•m■mt0m• ems ���®�� m•m.m■��m.®mtm•m■®mtm•m•®�m•m•m■mt�m•m•� ���®®� m•m.m.�®m.®mt®m■®®m■m•m�m•m•m■mt®m■m•� �� ®®�o�m■m.m.®®®®mt®®®mtm�m�m�m.m•®mt®m.m.� ���®�� m•m.m■��m.®mtm•m■®mtm•m•®�m•m•m■mt�m•m•� ��®®®® m■m.m.®®®®mt®®®mtmlm�m�m• ' ' m■mt®m• ®� �®��®m•m.m■��m.®mtm•m■®mtm•m•®�m•�®mt�m•m•� ®� �®���m•m.m.�®m.®mt®m■®mtm■m•m�m•m•®mt®m■m•� ®��®�� m•m.m■��m.®mtm•m■®mtm•m•m�m•m•m■mt�m•m•� ®�®®®mom■m.®®®®®mt®®®®m.m.m�m.m•m®®m. ' ®��®�� m•m.m■��m.®mtm•m■®mtm•m•m�m• ' ' m■mt�m•m•�m� ®��®®� m•m.m.�®m.®mtm•m■®®m■m•m�m• m■mt®m■m•�m� ®��®�� m•m.m■��m.Amtm•m■®mtm•m•m�m•m•m■mt�m•�� ®��®®� m•m.m.�®m.mtmt®m■®mtm■m•m�m•m•m■mtom■m•� �� �®��0m•m.m■��m.®mtm•m■®mtm•m•®�m•m•®mt�m•m•� �� �®��®m•m.m.�®m.®mtm�m■®®m■m•m�m•m•®mt®m■m•� ®��®�� m•m.m■��m.®mtm•m■®mtm•m•m�m• , ,. m■mt�m•m•� ®��®®� m•m.m.�®m.®mt®m■®®m■m•m�m• ' m■mt®m■m•� �� �®��mm•m.m■��m.®mtm•m■®mtm•m•m�m•m•®mt�m•m•� �� ®®®®�m■m.m.�®®®mtm•®m■®m�m�m�m•m•®a®m•m• ®��®�� m•m.m■��m.®mtm•m■®mtm•m•m�m•m•m■mt�m•m•� ®�®®�� m■m.m.�®®®mt®®®®®®®gym• m■®®m• �� �®��mm•m.m■��m.®mtm•m■®mtm•m•m�m•m•m■mt�m•m•� ��®®®�®m■m.m.®®m.®mt®®®mtmsm•m�m•m•m■®®m■ ' ®��®�� ' m•m.m■��m.0mtm•m■®mtm•m•m�m•m•m■mt�m•m•�ms ®�®®®® ' m■m.®®®®amt®®®mtm■m,m�m•m•m■®®mom ' gym• ���®�� m■m.m.��m.®m,m.m■ mtm.m.m�m.mlm■m,�m.m.� P'\Duke Energy Progress. 1026\108. Sutton Ash Bash GW Abessm,,t Pla,\1.11 CSA Rep0,b,g\Tables\Rep,,t Tables\Table 12-4 Sutton SurFldal Aquifer D,w,gadlen[ V V Page 3 of 4 TABLE 12-4 RISK SCREENING TABLE: SURFICIAL AQUIFER DOWNGRADIENT GROUNDWATER DATA L.V. SUTTON ENERGY COMPLEX DUKE ENERGY PROGRESS, INC., WILMINGTON, 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 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 SSA NCAC 02L NE 15 NE 50 NE 1 NE NE NE NE 100 10 NE NE 20 NE NE NE 250 NE NE 0.2* Soo NE NE NE 0.3* NE 1 Sample ID Sample Collection Date Analytical Results MW-27B 06/02/2015 11 <1 2.57 54 55 <0.05 <0.05 <10 <1 <1 <1 <1 1.3 3.88 26.7 29.4 12.8 0.12 0.124 62 4.18 0.291 <0.2 110 0.45 <5 <0.3 <0.3 0.006 <0.005 MW-28B 03/11/2015 NA <1 NA NA 10 NA <0.05 NA NA NA NA <5 NA NA NA <1 NA NA NA 11 NA NA <0.2 46 NA NA NA NA NA <0.005 MW-28B 06/01/2015 NA <1 0.793 NA 10 NA <0.05 NA NA <1 NA <5 0.27 2.1 NA <1 1.91 NA NA 10 NA NA <0.2 40 NA <5 NA NA NA <0.005 MW-28B DUP 06/01/2015 NA <1 0.785 NA 10 NA <0.05 NA NA <1 NA <5 0.27 2.09 NA <1 1.97 NA NA 9.9 NA NA <0.2 40 NA <5 NA NA NA <0.005 MW-28C 03/11/2015 NA <1 NA NA 14 NA <0.05 NA NA NA NA <5 NA NA NA <1 NA NA NA 7.4 NA NA <0.2 33 NA NA NA NA NA <0.005 MW-28C 06/01/2015 NA <1 0.699 NA 8 NA <0.05 NA NA 6.23 NA <5 0.6 1.8 NA <1 1.55 NA NA 10 NA NA <0.2 26 NA <5 NA NA NA <0.005 MW-31B 04/29/2015 <1 <1 1.33 34 49 <0.05 <0.05 33 <1 <1 <1 <1 0.014 1.19 <1 <1 2.98 0.135 0.139 9.8 <0.5 <0.2 <0.2 48 2.5 8 <0.3 0.742 0.008 0.006 MW-31B 06/05/2015 <1 <1 1.05 68 73 <0.05 <0.05 33 <1 <1 <1 <1 0.01 1.01 <1 <1 2.21 0.121 0.115 8 <0.1 <0.2 <0.2 40 2.6 <5 <0.3 0.378.. <0.005 0.012 MW-31C 03/10/2015 <1 NA NA 1840 NA <0.05 NA NA NA NA <5 NA NA NA <1 NA NA NA 160 NA NA <02 510 NA NA NA NA NA 0.049 MW-31C 06/02/2015 <1 <1 14.8 1700 1680 <0.05 <0.05 17 <1 <1 <1 <5 0.016 7.06 <1 <1 88.4 0.686 0.648 160 <0.1 <0.2 <02 540 0.668 <5 <0.3 <0.3 0.047 0.05 MW-31C 06/05/2015 <1 <1 14.4 1750 1740 <0.05 <0.05 10 <1 <1 <1 <1 0.024 7.18 <1 <1 88.1 0.674 0.69 160 <0.1 <0.2 <02 540 0.63 <5 0.316 <0.3 0.055 0.05 MW-32C 03/11/2015 NA <1 NA NA 22 NA <0.05 NA NA NA NA <5 NA NA NA <1 NA NA NA 18 NA NA <0.2 26 NA NA NA NA NA <0.005 MW-32C 06/01/2015 NA <1 0.616 NA 30 NA <0.05 NA NA <1 NA <5 0.36 1.06 NA <1 2.77 NA NA 16 NA NA <0.2 31 NA <5 NA NA NA 0.011 MW-33C 03/11/2015 NA <1 NA NA 33 NA <0.05 NA NA NA NA <5 NA NA NA <1 NA NA NA 11 NA NA <0.2 <25 NA NA NA NA NA <0.005 MW-33C 06/01/2015 NA <1 0.584 NA 30 NA <0.05 NA NA <1 NA <5 0.66 0.724 NA <1 2.58 NA NA 12 NA NA <0.2 30 NA <5 NA NA NA <0.005 SMW-01B 04/27/2015 <1 <1 1.18 11 12 <0.05 <0.05 <10 <1 <1 <1 <1 0.385 1.85 <1 <1 8.56 0.04 0.04 40 <0.1 <0.2 <0.2 90 0.948 <5 <0.3 <0.3 0.007 <0.005 SMW-01B 06/05/2015 <1 <1 0.792 13 14 <0.05 <0.05 <10 <1 <1 <1 <1 0.441 1.85 <1 <1 4.41 0.035 0.035 45 <0.1 <0.2 <0.2 57 0.885 <5 <0.3 <0.3 <0.005 <0.005 SMW-oic 04/27/2015 <1 <1 8.47 845 052 <0.05 <0.05 <10 <1 <1 1.73 2.54 0.015 5.77 <1 <1 42.4 0.462 0.467 140 <0.1 <0.2 <0.2 330 0.708 <5 <0.3 0.337 0.011 0.006 SMW-oic 06/05/2015 <1 <1 8.04 810 807 <0.05 <0.05 <10 <1 <1 <1 <1 0.032 5.67 <1 <1 45.2 0.499 0.488 140 1.87 <0.2 <0.2 340 1.3 <5 <0.3 0,402 0.01 <0.005 SMW-02B 03/26/2015 <1 <1 1.68 209 235 <0.05 <0.05 170 4.64 4.18 1.39 1.47 0.241 2 <1 <1 12.2 0.06 0.061 27 <0.1 <0.2 <0.2 130 4.5 15 1.55 2.35 0.01 0.006 SMW-02B 06/04/2015 <1 <1 1.01 412 413 <0.05 <0.05 830 <1 1.01 <1 <1 0.054 1.25 <1 <1 5.58 0.059 0.059 3.2 0.473 <0.2 <0.2 140 11 38 1.61 1.42 <0.005 <0.005 SMW-02C 03/26/2015 <1 <1 3.84 1920 1970 <0.05 <0.05 14 <1 <1 1.75 2.13 0.033 3.68 <1 <1 18.6 0.211 0.22 72 <0.2 <0.2 <0.2 180 1.1 17 <0.3 0.828 0.007 0.007 SMW-02C 06/04/2015 <1 <1 3.35 539 534 <0.05 <0.05 <10 <1 <1 <1 <1 0.039 3.4 <1 <1 15.5 0.216 0.221 49 <0.1 <0.2 <0.2 130 1.9 <5 <0.3 <0.3 <0.005 <0.005 SMW-03B 04/27/2015 <1 <1 4.8 56 57 <0.05 <0.05 <10 <1 <1 2.03 3.13 14. 4.64 <1 <1 5.59 0.062 0.066 27 <0.1 <0.2 <0.2 200 2.5 <5 <0.3 0.324 0.01 0.007 SMW-03B 06/04/2015 <1 <1 4.8 92 91 <0.05 <0.05 <10 <1 <1 1.41 <1 15.. 5.85 <1 <1 5.57 0.08 0.082 38 <0.1 <0.2 <0.2 250 3.2 <5 <0.3 <0.3 <0.005 <0.005 SMW-03C 06/04/2015 <1 <1 4.72 591 504 <0.05 <0.05 <10 <1 <1 <1 <1 0.012 3.39 <1 <1 22.5 0.216 0.218 93 0.177 <0.2 <0.2 790 0.504 <5 0.424 <0.3 <0.005 0.006 SW-03D 04/27/2015 <1 <1 5.48 682 719 <0.05 <0.05 <10 <1 <1 <1 <1 <0.01 3.67 <1 <1 25.6 0.227 0.235 94 <0.1 <0.2 <0.2 220 0.567 <5 <0.3 0.632 0.009 0.006 SMW-04B 04/28/2015 <1 <1 0.811 59 73 <0.05 <0.05 11 7 8.74 <1 1.14 <0.01 0.996 <1 <1 7.64 0.025 0.033 14 <1 <0.2 <0.2 64 1.2 16 <0.3 0.466 <0.005 0.005 SMW-04B 06/05/2015 <1 <1 0.499 83 65 <0.05 <0.05 19 1.89 2.66 <1 <1 0.039 0.35 <1 <1 2.66 0.013 0.014 6.6 0.652 <0.2 <0.2 42 1.1 <5 <0.3 <0.3 <0.005 <0.005 SMW-04C 04/28/2015 <1 1.29 3.17 184 220 <0.05 <0.05 <10 7.07 6.23 <1 <1 0.017 0.775 <1 <1 39.4 0.045 0.056 30 <0.1 <0.2 <0.2 210 3.2 72 <0.3 0.825 0.014 <0.005 SMW-04C 06/05/2015 <1 <1 3.49 124 132 <0.05 <0.05 <10 1.66 2.69 <1 <1 0.044 1.15 <1 <1 22.1 0.055 0.054 16 0.147 <0.2 <0.2 110 3.2 21 0.328 0.803 <0.005 <0.005 SMW-05B 04/28/2015 <1 <1 2.3 236 222 <0.05 <0.05 140 <1 <1 <1 <1 0.036 3.44 <1 <1 6.4 0.078 0.075 41 <0.1 <0.2 <0.2 140 7.9 9 <0.3 0.629 0.015 0.013 SMW-05B 06/05/2015 <1 <1 2.26 148 139 <0.05 <0.05 130 <1 <1 <1 <1 0.135 4.46 <1 <1 3.6 0.065 0.065 49 0.399 <0.2 <0.2 150 0.706 <5 0.77 0.81 <0.005 <0.005 SMW-05C 04/28/2015 <1 <1 3.39 367 350 <0.05 <0.05 <10 1.42 1.27 2.97 2.89 0.01 2.5 <1 <1 16.4 0.245 0.24 46 <0.1 <0.2 <0.2 130 0.435 <5 <0.3 <0.3 0.014 <0.005 SMW-05C 06/05/2015 <1 <1 3.24 131 130 <0.05 <0.05 <10 <1 <1 <1 <1 <0.01 2.37 <1 <1 18 0.226 0.228 53 <0.1 0.26 <0.2 120 0.429 <5 <0.3 <0.3 0.006 <0.005 SMW-06B 04/29/2015 <1 <1 0.758 42 44 <0.05 <0.05 <10 <1 <1 <1 <1 0.513 9.42 <1 <1 8.33 0.029 0.029 32 <0.1 <0.2 <0.2 82 1.1 <5 <0.3 <0.3 <0.005 <0.005 SMW-06B DUP 04/29/2015 <1 <1 0.78 43 43 <0.05 <0.05 <10 <1 <1 <1 <1 0.53 9.12 <1 <1 8.62 0.029 0.029 35 <0.1 <0.2 <0.2 ]2 0.863 <5 <0.3 <0.3 0.005 <0.005 SMW-6B 06/03/2015 <1 <1 0.759 30 30 <0.05 <0.05 <10 <1 <1 <1 <1 0.8 8.92 <1 <1 176 0.028 0.029 42 <0.1 <0.2 <0.2 83 0.83 <5 <0.3 <0.3 <0.005 <0.005 SMW-06C 04/29/2015 <1 <1 3.02 313 322 <0.05 <0.05 <10 <1 <1 2.44 2.67 0.02 2.29 <1 <1 11.7 0.133 0.134 43 0.254 <0.2 <0.2 130 1 <5 <0.3 0.388 <0.005 0.008 SMW-06C 06/04/2015 <1 <1 2.83 276 273 <0.05 <0.05 <10 <1 <1 1.5 <1 0.017 2.02 <1 <1 11.6 0.133 0.132 40 2.95 <0.2 <0.2 110 2.4 <5 <0.3 <0.3 <0.005 <0.005 Detections/Samples 2/73 2/104 86/86 70/73 102/104 0/73 0/104 30/73 26/73 32/86 23/73 25/104 74/86 86/86 7/73 7/104 86/86 69/73 70/73 104/10 23/73 4/73 6/104 91/104 73/73 21/86 16/73 33/73 31/73 33/104 Average Surficial Aquifer Do -gradient Sample Concentrations (Detections Only) 1.215 8.695 3.59 351 329 --- --- 104 34.77 44.33 2.39 3.50 0.6 3.8 7.5 11.9 17.5 0.239 0.239 51 1.00 0.27 0.397 188 2.4 22 2.28 2.040 0.019 0.021 Maximum Concentration 1.27 16.1 16 2080 2120 --- --- 870 368 396 11.1 14.3 15 17.7 26.7 36.2 91.1 1.47 1.52 160 4.18 0.291 0.506 910 40 130 26 39.6 0.123 0.126 Number of Surficial Aquifer Downgradient Samples that Exceed NCAC 2L 0 1 0 0 68 0 0 0 0 0 0 0 2 0 0 2 0 0 0 0 0 0 6 5 0 0 0 33 0 0 Detections/Samples: 1/6 0/9 6/6 '.. 4/4 9/9 0/4 0/9 2/4 0/4 0/6 0/4 0/9 5/6 6/6 0/4 0/9 6/6 j 3/4 3/4 3/4 0/4 0/4 0/9 7/9 4/4 1/6 2/4 2/4 3/4 2/9 Average SurOcial Aquifer Background Sample £-rdrations (Detecti.. only) ; 1.03' --- 1.38 133.75 240 --- --- 27.5 --- --- --- --- 0.129 2.32 --- --- 5.26 0.015 0.015 9.9 --- --- --- 105 3.0 5 0.656 1.19 0.013 0.013 Maximum Concentration 1.03. - 2.21 249 535 ___ ___ 29 ',W ___ ___ f__ 0.366 4.98 ; --- ___ 14.5 ; OM 0.02 14 --�- f__ E__ 210 516 5 0.795 L22 0.015 0.015 Number of Surficial Aquifer Background .: Samples that ExceedNCAC 2L 9 '.. D 0 D 7 0 0 '..0 '.. D D 9 0 0 '.. 0 D D D '.. D '.. D D D'.. 0 D D D '.. 0 0 2 0 '.. 9 '.. Lead Lead Magnesium Manganese Manganese Mercury Mercury Molybdenum Molybdenum Nickel Nickel Nitrate Potassium Selenium Selenium Sodium Strontium Strontium Thallium Thallium Total Total Total Vanadium Vanadium Zinc Groundwater Screening ConstiWents (DIS) (TOT) (TOT) (DIS) (TOT) TOT ((TOT) (TOT) Methane (DIS) (TOT) (DIS) (TOT) (as N) (TOT) (DIS) (TOT) (TOT) (DIS) (TOT) Sulfate Sulfide (DIS) (TOT) Dissolved Solids Organic Carbon Suspended Solids (DIS) (TOT) Zinc (DIS) (TOT) Conc. > Groundwater Criteria 0 1 0 0 66 0 0 0 0 0 0 0 2 0 0 2 0 0 0 0 0 0 6 5 0 0 0 33 0 0 Detect. Limit > Groundwater Criteria 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Coal Ash COPC Groundwater Standard Conc. > Groundwater Standard COPC Potentially attributable to coal ash Notes: 0 - Bold highlighted concentration indicates c--dance of the 15A NCAC 02L Stmdard, Appendix 2, April 1, 2013. mg- N/L = milligram Nitrogen per liter * = Interim Maximum Allowable Concentrations (IMACs) pf the 15A NCAC 02L Standard, Appendix 1, Apirl 1, 2013. ug/I = microgram per liter NA = Not analyzed for March 2015 or mm, 2015 NPDES Compliance Sampling Event NE = Not-b,blished < = concentration not detected at or above the reporting limit umh-/cm = micro mhos per centimeter Note 1: If analytical method detection limit or concentration exceeds soil RSL Note 2: If no soil RSL DIS = Dissolved IT = feet ORP = Oxidation Reduction Potential mg/I = milligram per II mV = millivolts Deg C = Degree Celsius -- =not applicable TOT = Toil S.U. = Stmdard Unit DUP = Duplicate DO = Dissolved Oxygen Spec Cord = Specific Conducbnce Prepared by: BER LAM Checked by: RAG P\Duke Energy Progress. 1026\108. S,tmr Ash 8aslr GW Abessmert Plar\1.11 CSA Rep,,b,g\Tables\Report Tables\Table 12-4 Sutton SurFldal Aquifer D,w,gadlent VN Page 4 of 4