NC0003425_Roxboro CSA Tables_20171031

TABLE 2-1
WELL CONSTRUCTION DATA
ROXBORO STEAM ELECTRIC PLANT
DUKE ENERGY PROGRESS, LLC, SEMORA, NC
P:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\CSA Update Oct 2017\FINAL PDF\Tables\Tables\TABLE 2-1 - Well Construction Data Page 1 of 3
ID Date Installed Monitoring Zone Material Diameter
(Inches)Northing (Feet)Easting (Feet)
Measuring Point
TOC Elevation
(Feet-NAVD 88)
Ground Surface
Elevation
(Feet-NAVD 88)
Boring Depth2, 3
(Feet-BGS)
Surface Casing
Depth3 (Feet-
BGS)
Total Well
Depth 2,3
(Feet-BGS)
Measured Well
Depth1 (Feet-
TOC)
Top of Screen Elevation
(Feet-NAVD 88)
Bottom of Screen Elevation
(Feet-NAVD 88)
ABMW-1 4/28/2015 Ash PVC 2 991717.597 1977553.393 470.58 467.57 73.0 NA 70.0 73.0 65.0 70.0 402.6 397.6
ABMW-1BR 4/30/2015 Bedrock PVC 2 991717.874 1977548.287 470.60 467.66 118.0 82.0 118.7 121.6 108.0 118.0 359.7 349.7
ABMW-2 5/3/2015 Ash PVC 2 990476.644 1978113.168 471.73 469.00 78.5 NA 77.7 80.5 70.7 75.7 398.3 393.3
ABMW-2BR 5/5/2015 Bedrock PVC 2 990481.814 1978118.152 471.68 468.94 103.8 83.0 103.6 106.4 98.8 103.8 370.1 365.1
ABMW-3 4/27/2015 Ash PVC 2 992468.824 1977830.045 471.75 468.18 11.0 NA 7.4 11.0 3.0 8.0 465.2 460.2
ABMW-3BR 5/5/2015 Bedrock PVC 2 992469.711 1977834.637 471.87 468.22 77.0 19.0 53.3 57.0 47.0 57.0 421.2 411.2
ABMW-3BRL 3/18/2016 Bedrock PVC 2 992476.563 1977828.554 471.90 468.27 303*60.0 244.4 248.00*235.3 245.3 233.0 223.0
ABMW-4 4/18/2015 Ash PVC 2 993230.039 1980874.561 500.14 497.30 53.0 NA 48.4 51.2 43.0 48.0 454.3 449.3
ABMW-4BR 4/27/2015 Bedrock PVC 2 993231.942 1980879.202 500.14 497.23 99.0 50.0 96.2 99.1 90.2 95.2 407.0 402.0
ABMW-5 3/17/2015 Ash PVC 2 993818.437 1980356.451 480.03 477.37 60.0 NA 53.3 56.0 51.0 56.0 426.4 421.4
ABMW-5D 3/18/2015 Saprolite PVC 2 993819.314 1980358.913 479.98 477.27 94.0 60.0 88.3 91.0 86.0 91.0 391.3 386.3
ABMW-6 3/13/2015 Ash PVC 2 993007.814 1980056.173 481.13 478.25 63.0 NA 60.1 63.0 55.0 60.0 423.3 418.3
ABMW-6BR 3/14/2015 Bedrock PVC 2 993008.044 1980058.735 481.19 478.19 87.0 62.0 87.0 90.0 82.0 87.0 396.2 391.2
ABMW-7 3/15/2015 Ash PVC 2 993704.630 1980943.641 479.33 476.64 80.0 NA 77.4 80.1 72.0 77.0 404.6 399.6
ABMW-7BR 3/16/2015 Bedrock PVC 2 993704.414 1980941.236 479.29 476.44 137.0 80.0 132.3 135.1 127.6 132.6 348.8 343.8
ABMW-7BRL 3/31/2016 Bedrock PVC 2 993697.735 1980958.055 480.43 477.53 306*88.0 295.1 298.00*285.0 295.0 192.5 182.5
BG-1 11/2/2010 Transition - Bedrock PVC 2 987881.600 1976145.700 533.74 530.89 52.5 NA 51.9 54.8 32.5 52.0 498.4 478.9
CW-1 10/29/2010 Bedrock PVC 2 994400.840 1983011.710 508.24 505.77 40.3 NA 40.1 42.6 20.0 39.8 485.8 466.0
CW-2 10/29/2010 Transition PVC 2 993052.596 1977462.665 424.60 421.74 18.0 NA 17.3 20.1 7.7 17.5 414.0 404.2
CW-2D 10/28/2010 Bedrock PVC 2 993049.411 1977468.265 424.60 422.15 30.4 NA 30.4 32.6 25.1 29.9 397.1 392.3
CW-3 10/26/2010 Transition PVC 2 988904.538 1977321.007 451.79 448.46 11.4 NA 10.9 14.3 3.4 11.4 445.1 437.1
CW-3D 10/29/2010 Bedrock PVC 2 988904.348 1977313.050 451.61 448.12 47.0 NA 46.1 49.6 41.7 46.5 406.4 401.6
CW-4 11/1/2010 Transition - Bedrock PVC 2 987736.037 1978596.909 479.65 477.26 39.5 NA 39.8 42.2 24.2 39.0 453.1 438.3
CW-5 11/3/2010 Transition PVC 2 993025.771 1978359.730 459.74 457.43 21.9 NA 19.9 22.2 4.7 19.5 452.7 437.9
GMW-6 3/14/2002 Transition PVC 2 994176.004 1981014.480 480.10 477.70 45.0 NA 44.1 46.5 30.0 45.0 447.7 432.7
GMW-7 6/28/2010 Bedrock PVC 2 992406.857 1981055.189 499.60 496.96 54.0 NA 54.0 57.4 39.0 54.0 458.0 443.0
GMW-8 3/14/2002 Bedrock PVC 2 991818.762 1982129.865 528.55 525.58 65.0 NA 63.9 66.9 53.0 63.0 472.6 462.6
GMW-9 3/14/2002 Bedrock PVC 2 991723.256 1983059.403 536.22 533.80 45.0 NA 46.3 48.7 30.0 45.0 503.8 488.8
GMW-10 9/25/2002 Bedrock PVC 2 994405.330 1981428.524 494.11 490.97 45.0 NA 45.4 48.6 30.0 45.0 461.0 446.0
GMW-11 9/26/2002 Bedrock PVC 2 994284.698 1981768.827 496.55 493.41 45.0 NA 45.9 49.0 30.0 45.0 463.4 448.4
PZ-12 5/6/2003 Ash PVC 2 992994.766 1983152.753 514.41 511.64 50.0 NA 52.2 55.0 30.0 50.0 481.6 461.6
PZ-14 UNK UNK PVC 2 993893.201 1980352.801 471.74 468.85 UNK NA 43.7 46.6 UNK UNK UNK UNK
Screened Interval3
(Feet-BGS)
Ash Basin Monitoring Wells
NPDES and SWLF Monitoring Wells
TABLE 2-1
WELL CONSTRUCTION DATA
ROXBORO STEAM ELECTRIC PLANT
DUKE ENERGY PROGRESS, LLC, SEMORA, NC
P:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\CSA Update Oct 2017\FINAL PDF\Tables\Tables\TABLE 2-1 - Well Construction Data Page 2 of 3
ID Date Installed Monitoring Zone Material Diameter
(Inches)Northing (Feet)Easting (Feet)
Measuring Point
TOC Elevation
(Feet-NAVD 88)
Ground Surface
Elevation
(Feet-NAVD 88)
Boring Depth2, 3
(Feet-BGS)
Surface Casing
Depth3 (Feet-
BGS)
Total Well
Depth 2,3
(Feet-BGS)
Measured Well
Depth1 (Feet-
TOC)
Top of Screen Elevation
(Feet-NAVD 88)
Bottom of Screen Elevation
(Feet-NAVD 88)
Screened Interval3
(Feet-BGS)

GMW-1A 12/15/1986 Transition PVC 2 1979939.237 993978.625 433.62 436.51 30.0 NA 30.0 32.9 25.0 30.0 411.5 406.5
GMW-2 12/15/1986 Transition PVC 2 1980568.543 994328.2544 UNK UNK 28.5 NA 28.0 29.6 10.0 15.0 UNK UNK
MW-1 12/22/1986 Saprolite PVC 2 992754.720 1977587.310 422.45 421.28 28.0 NA 26.8 28.0 23.0 28.0 398.3 393.3
MW-2 12/22/1986 Transition PVC 2 992334.638 1976849.035 422.90 421.34 25.6 NA 25.6 27.2 20.5 25.5 400.8 395.8
GPMW-1S 3/6/2017 Saprolite PVC 2 995031.808 1980827.410 437.41 434.67 30.0 NA 30.0 33.7 20.0 30.0 414.7 404.7
GPMW-1D 3/6/2017 Transition PVC 2 995023.515 1980821.991 437.49 434.79 60.0 40.0 60.0 63.3 50.0 60.0 384.8 374.8
GPMW-1BR 3/8/2017 Bedrock PVC 2 995026.095 1980829.552 437.30 434.49 109.0 66.0 109.0 112.3 99.0 109.0 335.5 325.5
GPMW-2D 3/7/2017 Transition PVC 2 995419.620 1981494.889 436.48 433.38 46.0 NA 46.0 50.0 36.0 46.0 397.4 387.4
GPMW-2BR 3/8/2017 Bedrock PVC 2 995418.691 1981500.962 436.31 433.28 99.5 54.5 99.5 102.0 89.5 99.5 343.8 333.8
GPMW-3D 3/6/2017 Transition PVC 2 995705.769 1982154.256 435.66 432.65 33.5 NA 33.5 35.5 23.5 33.5 409.1 399.1
GPMW-3BR 3/8/2017 Bedrock PVC 2 995702.329 1982145.938 435.42 432.66 108.0 46.0 108.0 111.2 98.0 108.0 334.7 324.7
BG-1BR 4/14/2015 Bedrock PVC 2 987880.955 1976137.663 534.68 531.20 93.0 53.0 92.1 95.6 82.0 92.0 449.2 439.2
BG-1D 4/10/2015 Transition PVC 2 987877.386 1976136.745 534.50 531.18 44.0 NA 44.7 48.0 39.0 44.0 492.2 487.2
BG-1BRL 3/2/2016 Bedrock PVC 2 988112.057 1976428.287 519.99 517.28 297.0*47.0 275.3 278*265.0 275.0 252.3 242.3
BG-1BRLR 2/22/2017 Bedrock PVC 2 988105.414 1976418.283 521.36 518.48 400.0 46.0 160.3 163.2 150.0 160.0 368.5 358.5
BG-2BR 8/4/2017 Bedrock PVC 2 987894.031 1976139.341 534.54 531.13 240.8 46.0 235.0 238.4*225.0 235.0 306.1 296.1
MW-1BR 3/26/2015 Bedrock PVC 2 994421.395 1982989.860 507.86 504.82 77.0 27.5 77.0 76.2 66.2 76.2 438.6 428.6
MW-2BR 3/12/2015 Bedrock PVC 2 992275.107 1979378.743 493.79 490.79 37.0 NA 36.0 39.0 30.1 35.4 460.7 455.4
MW-3BR 5/14/2015 Bedrock PVC 2 995567.440 1982389.530 452.77 449.59 68.0 7.0 63.9 67.1 57.1 67.1 392.5 382.5
MW-4BR 5/13/2015 Bedrock PVC 2 987870.413 1978604.316 502.46 499.10 111.0 NA 90.1 93.4 80.0 90.0 419.1 409.1
MW-4BRL 3/8/2016 Bedrock PVC 2 987877.358 1978601.478 502.62 499.66 307*42.0 305.0 308*285.0 305.0 214.7 194.7
MW-5BR 3/31/2015 Bedrock PVC 2 993047.040 1978346.602 458.97 455.94 74.0 28.0 70.0 73.0 62.8 73.0 393.1 382.9
MW-5D 3/27/2015 Transition PVC 2 993051.088 1978345.244 458.71 455.76 20.9 NA 20.9 23.8 15.4 20.4 440.4 435.4
MW-6BR 4/2/2015 Bedrock PVC 2 993847.694 1978041.647 417.73 415.02 75.0 27.0 74.0 76.8 62.9 73.0 352.1 342.0
MW-6D 4/1/2015 Transition PVC 2 993844.554 1978041.168 417.71 415.01 22.0 NA 21.1 23.8 16.0 21.0 399.0 394.0
MW-7BR 4/16/2015 Bedrock PVC 2 989954.039 1975502.889 478.10 475.15 67.0 NA 57.4 60.3 47.0 57.0 428.2 418.2
MW-8BR 4/28/2015 Bedrock PVC 2 991669.296 1975524.608 482.75 479.85 88.0 NA 83.7 86.6 76.4 86.4 403.5 393.5
MW-9BR 5/4/2015 Bedrock PVC 2 992764.112 1976206.519 450.17 447.25 79.5 NA 52.2 55.1 42.0 52.0 405.3 395.3
MW-10BR 4/8/2015 Bedrock PVC 2 989997.663 1982067.903 536.23 533.42 42.0 NA 42.0 44.2 36.0 41.0 497.4 492.4
MW-11BR 3/4/2015 Bedrock PVC 2 993472.000 1979319.020 467.54 464.80 45.8 NA 43.1 45.8 40.5 45.5 424.3 419.3
MW-11D 2/6/2017 Transition PVC 2 993480.428 1979325.989 467.28 464.60 31.0 NA 31.0 33.6 20.5 30.5 444.1 434.1
MW-12BR 4/29/2015 Bedrock PVC 2 991274.913 1976269.544 456.45 453.48 57.0 NA 57.0 60.0 52.0 57.0 401.5 396.5
MW-13BR 3/4/2015 Bedrock PVC 2 990704.398 1982798.161 552.98 550.12 57.0 NA 55.9 58.8 43.0 48.0 507.1 502.1
MW-14BR 2/28/2015 Bedrock PVC 2 996095.637 1984648.021 513.34 510.56 83.0 42.0 82.4 85.2 77.0 82.0 433.6 428.6
MW-14S 3/2/2015 Saprolite PVC 2 996094.017 1984649.277 513.36 510.39 37.5 NA 37.5 38.7 31.0 36.0 479.4 474.4
Gypsum Storage Area Monitoring Wells
Monitoring Wells
Monitoring Wells Installed Prior to 2015
TABLE 2-1
WELL CONSTRUCTION DATA
ROXBORO STEAM ELECTRIC PLANT
DUKE ENERGY PROGRESS, LLC, SEMORA, NC
P:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\CSA Update Oct 2017\FINAL PDF\Tables\Tables\TABLE 2-1 - Well Construction Data Page 3 of 3
ID Date Installed Monitoring Zone Material Diameter
(Inches)Northing (Feet)Easting (Feet)
Measuring Point
TOC Elevation
(Feet-NAVD 88)
Ground Surface
Elevation
(Feet-NAVD 88)
Boring Depth2, 3
(Feet-BGS)
Surface Casing
Depth3 (Feet-
BGS)
Total Well
Depth 2,3
(Feet-BGS)
Measured Well
Depth1 (Feet-
TOC)
Top of Screen Elevation
(Feet-NAVD 88)
Bottom of Screen Elevation
(Feet-NAVD 88)
Screened Interval3
(Feet-BGS)

MW-14D 3/2/2015 Transition PVC 2 996092.175 1984650.673 513.39 510.48 55.5 NA 54.7 57.6 50.0 55.0 460.5 455.5
MW-15BR 4/9/2015 Bedrock PVC 2 987071.733 1977796.644 508.28 504.83 85.0 NA 60.1 63.6 50.0 60.0 454.8 444.8
MW-15D 4/18/2015 Transition PVC 2 987068.841 1977798.333 508.42 505.24 31.0 NA 30.8 34.0 21.0 31.0 484.2 474.2
MW-16BR 4/7/2015 Bedrock PVC 2 990431.573 1981217.872 520.51 517.62 58.0 NA 55.7 58.6 50.5 55.5 467.1 462.1
MW-17BR 4/22/2015 Bedrock PVC 2 992038.661 1985264.186 534.54 532.05 82.0 NA 82.0 84.5 65.0 75.0 467.1 457.1
MW-18BR 5/18/2015 Bedrock PVC 2 986577.827 1982230.654 532.64 529.44 108.0 61.0 107.0 110.2 97.1 107.1 432.3 422.3
MW-18D 5/16/2015 Transition PVC 2 986575.379 1982232.696 532.66 529.66 58.4 NA 58.0 61.0 48.1 58.1 481.6 471.6
MW-19BRL 6/9/2016 Bedrock PVC 2 990230.279 1982876.094 564.32 561.16 77.0 NA 73.8 77.0 63.0 73.0 498.2 488.2
MW-20BRL 2/27/2016 Bedrock PVC 2 993029.101 1984933.114 487.11 483.47 207.0 26.0 201.0 205*195.0 205.0 288.5 278.5
MW-21BRL 4/28/2016 Bedrock PVC 2 991832.780 1982130.128 529.59 526.57 297.0 37.0 157.8 160.8 143.0 158.0 383.6 368.6
MW-22BRL 4/13/2016 Bedrock PVC 2 994705.940 1981526.188 474.08 470.79 302.0 37.0 301.1 303.00*290.0 300.0 180.8 170.8
MW-22BR 4/15/2016 Bedrock PVC 2 994705.938 1981529.128 474.00 470.93 72.0 37.0 71.2 74.3 60.0 70.0 410.9 400.9
MW-22D 4/14/2016 Bedrock PVC 2 994705.944 1981520.307 474.05 470.79 40.0 NA 35.7 38.9 26.0 36.0 444.8 434.8
MW-23BR 6/8/2016 Bedrock PVC 2 993204.212 1984286.308 518.94 515.74 129.0 NA 129.8 133.0 119.0 129.0 396.7 386.7
MW-23BRR 2/9/2017 Bedrock PVC 2 993220.288 1984306.912 523.82 521.11 203.0 NA 204.0 206.7 194.0 204.0 327.1 317.1
MW-24BR 6/8/2016 Bedrock PVC 2 992253.427 1985191.480 527.07 524.02 155.0 NA 155.8 158.9 145.0 155.0 379.0 369.0
MW-25BR 6/7/2016 Bedrock PVC 2 991842.165 1984850.165 543.38 540.36 110.0 NA 110.0 113.7 100.0 110.0 440.4 430.4
MW-26BR 6/8/2016 Bedrock PVC 2 988570.279 1982360.462 521.29 518.04 84.0 NA 80.9 84.2 74.0 84.0 444.0 434.0
MW-27BR 2/7/2017 Bedrock PVC 2 994890.412 1982526.565 484.04 481.13 79.1 NA 76.2 79.1 65.0 75.0 415.0 405.0
MW-28BR 2/21/2017 Bedrock PVC 2 995859.218 1983070.713 477.03 474.07 137.0 NA 134.0 137.0 124.0 134.0 350.1 340.1
MW-29BR 2/20/2017 Bedrock PVC 2 995175.743 1983887.260 499.09 496.10 87.4 NA 84.4 87.4 74.0 84.0 421.7 411.7
MW-30BR 2/10/2017 Bedrock PVC 2 994378.334 1984205.975 523.95 520.87 144.8 NA 141.7 144.8 130.0 140.0 389.2 379.2
MW-31BR 2/7/2017 Bedrock PVC 2 988213.189 1976894.635 505.40 502.71 81.4 NA 78.8 81.4 68.0 78.0 434.0 424.0
MW-32BR 2/14/2017 Bedrock PVC 2 989621.299 1976363.754 512.04 509.27 263.8 NA 261.0 263.8 250.0 260.0 258.3 248.3
MW-33BR 2/17/2017 Bedrock PVC 2 990698.733 1976055.916 520.12 516.89 301.4 NA 298.2 301.4 283.0 298.0 228.7 218.7
Prepared by: ARL Checked by: ALA
Notes:
*= wells over 200 ft, total depth estimated
1 = Well depths initially measured by SynTerra June 15, 2015 and updated as new wells are installed.
2 = "Boring Depth" is the total depth of soil boring; "Total Well Depth" is the depth to the bottom of the filter pack.NPDES = National Pollution Discharge Elimination
3 = Values measured during well installation PVC = Polyvinylchloride
BGS = Below ground surface SWLF = Solid Waste Landfill
NA = Not applicable TOC = Top of casing
NAVD 88 = North American Vertical Datum 1988 UNK = Data not known
Impoundment and Discharge Canal Monitoring Wells
Monitoring Wells (Continued)

TABLE 2-2
NPDES GROUNDWATER MONITORING REQUIREMENTS
ROXBORO STEAM ELECTRIC PLANT
DUKE ENERGY PROGRESS, LLC, SEMORA, NC

P:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\1.11 CSA Reporting\Tables\
Table 2-1 NPDES Groundwater Monitoring Requirements Page 1 of 1

Well
Nomenclature Parameter Description Frequency
BG-1, CW-1,
CW-2, CW-2D,
CW-3, CW-3D,
CW-4, CW-5
Alkalinity1 Calcium1 Manganese Sulfate
April, July,
and
November
Aluminum Carbonate1 Mercury Thallium
Antimony Chloride Molybdenum1 TDS
Arsenic Chromium Nickel TSS1
Barium Cobalt1 pH Vanadium
Beryllium1 Copper Potassium1 Water
Level
Bicarbonate1 Iron Selenium Zinc
Boron Lead Sodium1
Cadmium Magnesium1 Strontium1
Prepared by: RBI Checked by: CDE

Notes:
1Constituent list adjusted in June 2015 to include select groundwater assessment parameters..

TABLE 3-1
ASH, ROCK, AND SOIL COMPOSITION
ROXBORO STEAM ELECTRIC PLANT
DUKE ENERGY PROGRESS, LLC, SEMORA, NC
Fly Ash*Bottom Ash*Rock**Soil***
Aluminum, mg/kg 70,000 - 140,000 59,000 - 130,000 9,800 - 96,000 15,000 - 100,000
Calcium, mg/kg 7,400 - 150,00 5,700 - 150,000 6,000 - 83,000 1,500 - 62,000
Iron, mg/kg 34,000 - 130,000 40,000 - 160,000 8,800 - 95,000 7,000 - 50,000
Silicon, mg/kg 160,000 - 270,000 160,000 - 280,000 57,000 - 380,000 230,000 - 390,000
Magnesium, mg/kg 3,900 - 23,000 3,400 - 17,000 700 - 56,000 1,000 - 15,000
Potassium, mg/kg 6,200 - 21,000 4,600 - 18,000 4,000 - 45,000 4,500 - 25,000
Sodium, mg/kg 1,700 - 17,000 1,600 - 11,000 900 - 34,000 1,000 - 20,000
Sulfur, mg/kg 1,900 - 34,000 BDL - 15,000 200 - 42,000 840 - 1,500
Titanium, mg/kg 4,300 - 9,000 4,100 - 7,200 200 - 5,400 1,000 - 5,000
Antimony, mg/kg BDL - 16 All BDL 0.08 - 1.8 BDL - 1.3
Arsenic, mg/kg 22 - 260 2.6 - 21 0.50 - 14 2.0 - 12
Barium, mg/kg 380 - 5,100 380 - 3,600 67 - 1,400 200 - 1,000
Beryllium, mg/kg 2.2 - 26 0.21 - 14 0.10 - 4.4 BDL - 2.0
Boron, mg/kg 120 - 1,000 BDL - 335 0.2 - 220 BDL - 70
Cadmium, mg/kg BDL - 3.7 All BDL 0.5 - 3.6 BDL - 0.5
Chromium, mg/kg 27 - 300 51 - 1,100 1.9 - 310 15 - 100
Copper, mg/kg 62 - 220 39 - 120 10 - 120 5.0 - 50
Lead, mg/kg 21 - 230 8.1 - 53 3.8 - 44 BDL - 30
Manganese, mg/kg 91 - 700 85 - 890 175 - 1,400 100 - 1,000
Mercury, mg/kg 0.01 - 0.51 BDL - 0.07 0.1 - 2.0 0.02 - 0.19
Molybdenum, mg/kg 9.0 - 60 3.8 - 27 1.0 - 16 All BDL
Nickel, mg/kg 47 - 230 39 - 440 2.0 - 220 5.0 - 30
Selenium, mg/kg 1.8 - 18 BDL - 4.2 0.60 - 4.9 BDL - 0.75
Strontium, mg/kg 270 - 3,100 270 - 2,000 61 - 890 20 - 500
Thallium, mg/kg BDL - 45 All BDL 0.1 - 1.8 0.20 - 0.70
Uranium, mg/kg BDL - 19 BDL - 16 0.84 - 43 1.2 - 3.9
Vanadium, mg/kg BDL - 360 BDL - 250 19 - 330 20 - 150
Zinc, mg/kg 63 - 680 16 - 370 25 - 140 22 - 99
Notes:
mg/kg = miligram per kilogram
BDL- Below Detection Limit
**Source for rock data is US Geological Survey National Geochemical database.⁷
*Source for most fly ash data is EPRI CP-INFO Database³. Beryllium,, Thallium, Mercury (bottom ash only) and Boron (bottom ash
only) are from the EPRI PISCES Database⁶
***Source for most soils data is Shacklette and Boerngen (1984)⁸; Cadmium and Thallium data are from Smith et al (2005).⁹
Table was obtained from the EPRI Technical update- Coal Combustion Products-
Environmental Issue, Coal Ash: Characteristics, management, and
Environmental Issues, Table 2, pg 5, EPRI, 2009.
P:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\CSA Update Oct 2017\FINAL PDF\Tables\TABLE 3-1 - Ash, Rock, and Soil Composition Page 1 of 1
TABLE 3-2
PHYSICAL PROPERTIES OF ASH
ROXBORO STEAM ELECTRIC PLANT
DUKE ENERGY PROGRESS, LLC, SEMORA, NC
P:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\CSA Update Oct 2017\FINAL PDF\Tables\Tables\
TABLE 3-2 - Physical Properties of Ash Page 1 of 1
From To
AB-04 28 30 65.2 0 64.8 34.5 0.7 2.154
AB-04 51 53 19.1 0 38.8 34.8 26.4 2.685
AB-05 45 46 13.4 22.2 70.1 6.2 1.5 2.432
AB-06 57 59 19.6 0 60.2 23.4 16.4 2.675
Prepared by: ARL Checked by: DH/TCP
Notes:
% = percent
BGS = below ground surface
Clay
(%)
Specific
Gravity
(%)
Depth
(Feet BGS)Sample
ID
Moisture
Content
(%)
Gravel
(%)
Sand
(%)
Silt
(%)
TABLE 3-3
MINERALOGY OF ASH
ROXBORO STEAM ENERGY PLANT
DUKE ENERGY PROGRESS, LLC, SEMORA, NC
P:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\CSA Update Oct 2017\FINAL PDF\Tables\Tables\
TABLE 3-3 - Mineralogy of Ash Page 1 of 1
Sand Silt Clay Quartz Amphibole Feldspar Chlorite
Sample ID From To pct pct pct pct pct pct pct
AB-04 50 55 48.38 31.08 20.54 46.3 1.5 29.4 22.4
Prepared by: ARL Checked by: DH/TCP
Notes:
pct = percent
Depth
(Feet BGS)
TABLE 3-4
WHOLE ROCK METAL OXIDE ANALYSIS OF ASH
ROXBORO STEAM ENERGY PLANT
DUKE ENERGY PROGRESS, LLC, SEMORA, NC
P:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\CSA Update Oct 2017\FINAL PDF\Tables\Tables\TABLE 3-4 - Whole Rock Metal Oxide Analysis of Ash Page 1 of 1
Al2O3 BaO CaO Cr2O3 Fe2O3 K2O MgO MnO Na2O P2O5 SiO2 SrO TiO2 V2O5 LOI
Sample ID From To pct pct pct pct pct pct pct pct pct pct pct pct pct pct pct
AB-04 50 55 13.55 0.02 1.75 <0.01 8.35 0.39 0.48 0.15 0.8 0.06 70.12 0.04 0.87 0.08 5.67
Prepared by: ARL Checked by: DH/TCP
Notes:
pct = percent
Depth
(Feet BGS)
TABLE 3-5
WHOLE ROCK ELEMENTAL ANALYSIS OF ASH
ROXBORO STEAM ELECTRIC PLANT
DUKE ENERGY PROGRESS, LLC, SEMORA, NC
P:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\CSA Update Oct 2017\FINAL PDF\Tables\Tables\TABLE 3-5 - Whole Rock Elemental Analysis of Ash Page 1 of 1
As Cd Ce Co Cu Ga La Mo Ni Pb Sb Se Sn W Zn Zr
Sample ID From To ppm ppm ppm ppm ppm ppm ppm ppm ppm ppm ppm ppm ppm ppm ppm ppm
AB-04 50 55 3 <0.2 83 31 43 14 14 3 43 14 1 <1 <1 <1 49 9
Prepared by: ARL Checked by: DH/TCP
Notes:
ppm = parts per million
Depth
(Feet BGS)
Table 6-1
PHYSICAL PROPERTIES OF SOIL
ROXBORO STEAM ELECTRIC PLANT
DUKE ENERGY PROGRESS, LLC, SEMORA NC
P:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\CSA Update Oct 2017\FINAL PDF\Tables\Tables\TABLE 6-1 Soil Properties - Physical Page 1 of 3
Wet
Density
Dry
Density
%
Silt
%
Clay
Coarse
(19 -
75 mm)
Fine
(4.75 -
19 mm)
Coarse
(2 -
4.75 mm)
Medium
(0.425 -
2 mm)
Fine
(0.042 -
0.425
mm)
Silt
(0.005 -
0.075
mm)
Clay
(< 0.005
mm)
%%%%(PCF)(PCF)(cm/sec)
3 5 Ash ----------------------------------------
40 41 Ash ----------------------------------------
75.5 77.5 Ash ----------------------------------------
ABMW-01BR (UD)83 85 Soil Dark grey fi. Sandy SILT 0.0 37.4 46.3 16.3 0.0 0.0 0.0 1.6 35.8 46.3 16.3 ----12.0 2.65 --127.1 104.4 2.40E-07
ABMW-01BR (BG)83 85 Soil Grey silty fi.-co. SAND 7.2 51.8 29.0 12.0 0.0 7.2 3.7 13.9 34.2 29.0 12.0 24.1 ----2.72 12.9 ------
4 5 Ash ----------------------------------------
39 40 Ash ----------------------------------------
76 78 Ash ----------------------------------------
80 82 Soil ----------------------------------------
3 5 Ash ----------------------------------------
8 10 Soil ----------------------------------------
9 11 Soil Brownish grey clayey fi.-med SAND 5.7 48.5 29.6 16.2 0.0 5.7 2.8 13.1 32.6 29.6 16.2 20.4 ----2.75 --135.0 114.1 2.20E-07
12 14 Soil ----------------------------------------
AB-03 DUP 12 14 Soil ----------------------------------------
14 15 Ash ----------------------------------------
28 30 Ash Black silty fi. SAND 0.0 64.8 34.5 0.7 0.0 0.0 0.0 4.2 60.6 34.5 0.7 34.9 --29.0 2.15 65.2 87.7 50.1 3.30E-04
50 52 Ash ----------------------------------------
51 53 Ash Grey & brown fi.-med sandy CLAY 0.0 38.8 34.8 26.4 0.0 0.0 0.0 12.2 26.6 34.8 26.4 20.9 --5.0 2.69 19.1 133.0 113.6 8.00E-08
50 55 Ash ----------------------------------------
56 58 Ash ----------------------------------------
3 5 Ash ----------------------------------------
38 40 Ash ----------------------------------------
45 46 Black sl. Silty fi.-co SAND w/grvl 22.2 70.1 6.2 1.5 0.0 22.2 25..8 29.1 15.2 6.2 1.5 ------2.43 13.4 ------
48 50 Ash ----------------------------------------
58 60 Soil ----------------------------------------
58 59 Brown silty fi.-co. SAND 8.4 56.1 27.1 8.4 0.0 8.4 12.5 16.6 27.0 27.1 8.4 ------2.72 2.5 ------
68 70 Soil ----------------------------------------
90 91 Soil Brown clayey fi. SAND 0.1 52.2 32.2 15.5 0.0 0.1 1.9 7.2 43.1 32.2 15.5 ----15.0 2.69 14.4 ------
3 5 Ash ----------------------------------------
5 7 Ash ----------------------------------------
35 37 Ash ----------------------------------------
56 58 Soil ----------------------------------------
57 59 Soil Grey clayey fi.-med. SAND 0.0 60.2 23.4 16.4 0.0 0.0 0.0 28.4 31.8 23.4 16.4 23.6 --14.0 2.68 19.6 ------
61 62 Soil ----------------------------------------
62 64 Soil Brown silty fi.-med. SAND 0.0 61.2 27.9 10.9 0.0 0.0 0.5 23.2 37.5 27.9 10.9 ----19.0 2.66 6.0 ------
65 67 Soil ----------------------------------------
Vertical
Hydraulic
Conductivit
y, K20°C
Grain Size
% Gravel % Sand
Density
Natural
Moisture
Content
Effective
Porosity ^
%Fines Specific
Gravity
Total
Porosity
Specific
Yield ^
Borehole/
Sample ID
Depth
(Feet bgs)Classification Material Description
Grain Size
%
Gravel
%
Sand
% Fines
AB-01
AB-02
AB-03
AB-04
AB-06
AB-05
Table 6-1
PHYSICAL PROPERTIES OF SOIL
ROXBORO STEAM ELECTRIC PLANT
DUKE ENERGY PROGRESS, LLC, SEMORA NC
P:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\CSA Update Oct 2017\FINAL PDF\Tables\Tables\TABLE 6-1 Soil Properties - Physical Page 2 of 3
Wet
Density
Dry
Density
%
Silt
%
Clay
Coarse
(19 -
75 mm)
Fine
(4.75 -
19 mm)
Coarse
(2 -
4.75 mm)
Medium
(0.425 -
2 mm)
Fine
(0.042 -
0.425
mm)
Silt
(0.005 -
0.075
mm)
Clay
(< 0.005
mm)
%%%%(PCF)(PCF)(cm/sec)
Vertical
Hydraulic
Conductivit
y, K20°C
Grain Size
% Gravel % Sand
Density
Natural
Moisture
Content
Effective
Porosity ^
%Fines Specific
Gravity
Total
Porosity
Specific
Yield ^
Borehole/
Sample ID
Depth
(Feet bgs)Classification Material Description
Grain Size
%
Gravel
%
Sand
% Fines
3 5 Ash ----------------------------------------
46 47 Ash ----------------------------------------
76 78 Ash ----------------------------------------
80 81 Ash ----------------------------------------
80 82 Soil ----------------------------------------
82 84 Soil Brown silty fi.-co. SAND 6.1 57.0 28.7 8.2 0.0 6.1 14.3 19.1 23.6 28.7 8.2 ------2.76 5.7 ------
82 87 Soil ----------------------------------------
0 2 Soil ----------------------------------------
33 35 Soil ----------------------------------------
39 41 Soil ----------------------------------------
4 5 Soil ----------------------------------------
7 8 Soil ----------------------------------------
2 3 Soil ----------------------------------------
4 5 Soil ----------------------------------------
7 8 Soil ----------------------------------------
9 10 Soil ----------------------------------------
2 3 Soil ----------------------------------------
4 5 Soil ----------------------------------------
7 8 Soil ----------------------------------------
9 10 Soil ----------------------------------------
12 13 Soil ----------------------------------------
2 3 Soil ----------------------------------------
4 5 Soil ----------------------------------------
7 8 Soil ----------------------------------------
9 10 Soil ----------------------------------------
14 15 Soil ----------------------------------------
19 20 Soil ----------------------------------------
MW-01BR 0 2 Soil ----------------------------------------
2 2.5 Soil ----------------------------------------
11 13 Soil ----------------------------------------
0 2 Soil ----------------------------------------
21 23 Soil ----------------------------------------
MW-03BR DUP 0 2 Soil ----------------------------------------
0 2 Soil ----------------------------------------
23 25 Soil ----------------------------------------
29 31 Soil ----------------------------------------
MW-04 (23-25) REP 23 25 Soil ----------------------------------------
1 2 Soil ----------------------------------------
5 6 Soil ----------------------------------------
9.5 11.5 Soil ----------------------------------------
BG-01BR
BGSB-02
BGSB-14
AB-07
BGSB-18
BGSB-112
MW-02BR
MW-03BR
MW-04
MW-05BR
Table 6-1
PHYSICAL PROPERTIES OF SOIL
ROXBORO STEAM ELECTRIC PLANT
DUKE ENERGY PROGRESS, LLC, SEMORA NC
P:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\CSA Update Oct 2017\FINAL PDF\Tables\Tables\TABLE 6-1 Soil Properties - Physical Page 3 of 3
Wet
Density
Dry
Density
%
Silt
%
Clay
Coarse
(19 -
75 mm)
Fine
(4.75 -
19 mm)
Coarse
(2 -
4.75 mm)
Medium
(0.425 -
2 mm)
Fine
(0.042 -
0.425
mm)
Silt
(0.005 -
0.075
mm)
Clay
(< 0.005
mm)
%%%%(PCF)(PCF)(cm/sec)
Vertical
Hydraulic
Conductivit
y, K20°C
Grain Size
% Gravel % Sand
Density
Natural
Moisture
Content
Effective
Porosity ^
%Fines Specific
Gravity
Total
Porosity
Specific
Yield ^
Borehole/
Sample ID
Depth
(Feet bgs)Classification Material Description
Grain Size
%
Gravel
%
Sand
% Fines
MW-05BR DUP 5 6 Soil ----------------------------------------
0 2 Soil ----------------------------------------
5 7 Soil Dark brown silty fi.-co SAND 4.1 71.1 17.3 7.5 0.0 4.1 10.9 31.5 28.7 17.3 7.5 ------2.69 6.1 ------
8 10 Soil ----------------------------------------
MW-07 0 2 Soil ----------------------------------------
0 2 Soil ----------------------------------------
14 16 Soil ----------------------------------------
21 23 Soil ----------------------------------------
MW-09 0 2 Soil ----------------------------------------
0 2 Soil ----------------------------------------
36 38 ----------------------------------------
1.5 2 Soil ----------------------------------------
18.75 19.5 Soil ----------------------------------------
19 19.5 ----------------------------------------
MW-12 0 2 Soil ----------------------------------------
0 2 Soil ----------------------------------------
22 24 Soil ----------------------------------------
1 1.25 Soil ----------------------------------------
31 31.5 Soil ----------------------------------------
37.5 38 Soil ----------------------------------------
0 2 Soil ----------------------------------------
11 13 Soil Grey & brown fi. Sandy elastic SILT 0.0 23.4 46.0 30.6 0.0 0.0 0.0 7.0 16.4 46.0 30.6 34.2 --4.0 2.62 42.5 106.7 75.2 1.70E-07
22 24 Soil Grey & brown silty fi.-med. SAND 0.0 59.4 34.8 5.8 0.0 0.0 0.0 23.8 35.6 34.8 5.8 25.0 --23.0 2.66 25.4 127.9 102.0 1.40E-05
31 33 Soil ----------------------------------------
34 35 Soil ----------------------------------------
0 2 Soil ----------------------------------------
36 38 Soil ----------------------------------------
MW-17 29 31 Soil ----------------------------------------
0 2 Soil ----------------------------------------
8 10 Soil ----------------------------------------
28 30 Soil ----------------------------------------
31 33 Soil ----------------------------------------
37 38 Soil ----------------------------------------
SB-31 0.5 1 Soil ----------------------------------------
Prepared by: ARL Checked by: LWD
Notes:
-- = No data available
^ = Calcuated using a textural classification triangle for unconsolidated materials (A.I. Johnson, 1967) and Specific Yield and Specific Retention from grain size data graph (S.G. Robinson)
bgs = Below ground surface
cm/sec = Centimeters per second
DUP = Duplicate
mm = Milimeters
pcf - Pound per cubic foot
REP = Replicate
MW-14BR
MW-15
MW-16
MW-18
MW-06BR
MW-08
MW-13BR
MW-10BR
MW-11BR
TABLE 6-2
CHEMICAL PROPERTIES OF SOIL
ROXBORO STEAM ELECTRIC PLANT
DUKE ENERGY PROGRESS, LLC, SEMORA, NC
P:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\CSA Update Oct 2017\FINAL PDF\Tables\Tables\TABLE 6-2 Chemical Soil Properties Page 1 of 10
pH at
25°C Aluminum Antimony Arsenic Barium Beryllium Boron Cadmium Calcium Chloride Chromium Cobalt Copper Iron Lead Magnesium Manganese Mercury Molybdenum Nickel Nitrate (as
N)Potassium Selenium Sodium Strontium Sulfate Thallium Total Organic
Carbon Vanadium Zinc
S.U.mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg
3 5 Ash 6.2 1050 <4 <4 84.8 0.29 3.7 j <0.48 242 <408 2.1 <4 5.3 1560 <4 89.8 5.7 <0.013 <0.8 3.6 <40.8 177 <4 <79.6 11.2 <408 <4 122000 4.2 3.7
40 41 Ash 6.4 1320 <4.7 <4.7 67 0.36 4.7 <0.56 320 <458 5.6 <4.7 6.8 1790 <4.7 135 8.4 <0.015 0.98 5.1 <45.8 227 <4.7 <93.7 14.2 <458 <4.7 137000 5.6 7.8
75.5 77.5 Ash 7.3 1890 <4.1 4 j 103 0.58 6.7 <0.5 422 <407 7.2 3.5 j 10.4 2260 2.5 j 183 12.6 0.014 1.2 7.6 <40.7 316 2.6 j 48 j 23.6 <407 <4.1 146000 10.3 13
ABMW-01BR 83 85 Soil 7.1 8350 <6.1 <6.1 177 0.17 j <15.3 <0.73 1360 <297 11 8 7.2 13800 <6.1 5340 232 <0.01 <3.1 5.9 <29.7 4490 <6.1 168 j 12 <297 <6.1 2210 31.5 42.5
4 5 Ash 7.3 9820 <4.2 44 291 3.8 68.3 0.28 j 3560 <403 22.3 15.5 39.7 4130 24.7 816 36.7 0.4 9.8 21.1 <40.3 1540 38 332 162 4940 <4.2 149000 84.3 31.4
39 40 Ash 7.6 4630 <4.1 17.9 202 1.5 34.5 <0.5 2400 629 12.2 6.3 20 3850 8 639 38.3 0.17 4.8 10.6 <39.6 842 17.5 135 82.2 699 <4.1 71600 31.4 17.9
76 78 Ash 7.2 8130 <4 39.6 367 2.9 46.5 0.35 j 2720 412 17.9 10.8 33.2 4330 17.6 739 42.6 0.37 4.9 16.5 <38.2 1250 28.5 203 158 1460 <4 113000 65.6 25.2
80 82 Soil 7.4 7200 <6.3 <6.3 94.3 0.38 11.7 j <0.76 1180 <307 19.2 6 j 24 13300 <6.3 2320 182 <0.01 <3.1 6.6 <30.7 1240 <6.3 307 j 8.5 <307 <6.3 710 j 40.3 18.6
3 5 Ash 3.9 392 <5.7 <5.7 17.1 <0.28 <14.2 <0.68 78.8 j <279 1.3 j <5.7 4.4 964 <5.7 <142 2.9 0.013 <2.8 0.95 j <27.9 <284 <5.7 <284 4.3 <279 <5.7 142000 <5.7 <5.7
8 10 Soil 4.5 13800 <7 <7 250 0.68 <17.5 <0.84 2510 <348 9.3 13.6 14.8 28600 <7 8260 316 0.021 <3.5 8.7 <34.8 3380 <7 <351 19.5 342 j <7 1570 70.7 58.3
12 14 Soil 4.4 12000 <6.5 <6.5 218 0.24 j <16.2 <0.78 3250 <301 25.7 15.5 44.6 21600 <6.5 7800 414 <0.0094 <3.2 31.6 <30.1 2400 <6.5 <325 34.6 422 <6.5 <748 51.2 53.5
AB-03 DUP 12 14 Soil 4.2 11600 <6.4 <6.4 175 0.24 j <15.9 <0.77 3510 <310 24.8 16.3 40.6 20900 <6.4 7900 471 <0.01 <3.2 35.1 <31 2140 <6.4 <319 24.3 389 <6.4 453 j 46.9 46.4
14 15 Ash 7.6 6830 <3.2 30.6 227 3.1 36.9 0.25 j 3150 <310 22.3 13.7 55.9 4280 20.2 643 37.3 0.04 2 20.2 <31 1030 8.9 166 191 2980 <3.2 177000 69.4 25.5
50 52 Ash 6.7 16600 <5.9 <5.9 71.4 0.41 14.9 <0.71 811 <301 15.9 33 12.3 20100 13.2 1110 1240 0.04 <3 4.3 <30.1 <296 <5.9 <296 11.3 <301 <5.9 1610 95.2 15.9
50 55 --------------------------------------------------------------
51 53 Ash 7.2 6180 <3.5 27.5 262 1.2 32.4 <0.42 1610 <356 14.5 5.6 20.3 7460 8 662 43.3 0.11 2.7 10.4 <35.6 1250 10.3 245 81.1 817 <3.5 147000 32.9 17.7
56 58 Ash 6.6 18300 <7.5 <7.5 94.5 0.91 22.4 <0.9 8480 <387 24.9 28.1 88.8 34000 <7.5 5290 413 <0.012 <3.7 15.4 <38.7 <375 <7.5 261 j 41.8 <387 <7.5 1570 128 60.7
3 5 Ash 4.0 12500 <2.9 8 110 1.2 <14.7 <0.35 4490 <291 18.1 20.9 49.8 14700 5.1 3730 123 0.024 <0.59 23.8 <29.1 654 5.4 163 42.9 2550 <2.9 18700 59.5 35.4
38 40 Ash 7.8 3360 <4.8 7 193 0.51 6.4 <0.57 1710 <469 4.4 2.4 j 6.9 3610 <4.8 413 28.4 0.027 0.5 j 5.2 <46.9 535 <4.8 132 59.3 249 j <4.8 26200 12 2.7
48 50 Ash 7.2 11600 <3.3 80.6 373 2.6 25.5 j 0.26 j 2820 <347 33.9 9 38.9 11200 20.5 1140 92.6 0.17 1.5 16.6 <34.7 2190 12.3 329 152 391 1.7 j 75600 60.6 30.2
58 60 Soil 7.3 10800 <3.7 2.6 j 192 0.25 <3.7 <0.45 4330 <366 18.5 13 20.2 16000 2 j 8470 321 <0.011 0.68 j 17.6 <36.6 4490 <3.7 200 43.5 246 j <3.7 579 j 50.8 53.5
68 70 Soil 6.8 5220 <3.3 <3.3 52.4 0.14 <3.3 <0.4 1550 <318 4.2 5.7 17.7 6570 3.1 j 2450 127 <0.011 0.74 3.4 <31.8 773 <3.3 161 17.1 280 j <3.3 1030 19.2 25
3 5 Ash 6.5 10600 <3.7 32 206 1.9 12.2 <0.44 1660 <375 18.8 13.2 30.6 11500 14.4 2500 139 0.18 7.1 16.4 <37.5 1930 4.3 205 97.4 <375 <3.7 73900 66 34.3
35 37 Ash 7.9 1500 <3.3 13.8 143 0.22 6.4 <0.4 433 <344 3 2.6 j 25.8 2510 <3.3 167 7.5 0.013 2.3 5.2 <34.4 337 2.4 j 70.5 22.8 360 <3.3 20800 8.5 3.3
56 58 Soil 7.3 7560 <3.8 48.3 220 1.3 18.1 <0.45 1950 <366 15 8.7 22.9 8000 11 863 42.7 0.068 16.9 12.7 <36.6 1590 11.3 274 109 555 <3.8 107000 42.2 20.5
61 62 Soil 7.5 5990 <3 <3 58.4 0.15 <3 <0.35 376 <298 0.65 1.7 j 0.63 7390 1.8 j 2050 136 <0.0099 <0.59 0.48 <29.8 1200 <3 110 8.8 <298 <3 <717 6.1 30.3
62 64 Soil 8.4 4390 <2.6 <2.6 57.5 0.12 5.9 <0.31 465 <264 2.7 1.7 j 2.6 6390 1.7 j 1800 130 <0.0086 0.32 j 0.98 <26.4 1350 <2.6 258 10.3 <264 <2.6 492 j 5.9 24.6
65 67 Soil 8.3 4770 <2.5 <2.5 43.3 0.14 5.8 <0.3 1700 <256 10.6 5.1 15 6780 3.6 2860 137 <0.0086 <0.51 10.6 <25.6 336 <2.5 302 12.8 <256 <2.5 <621 12.3 16.8
3 5 Ash 6.7 8090 <3.9 41.5 213 3.8 32.6 0.3 j 2270 <387 23.7 14 47.5 7310 19.2 1010 51.8 0.4 1.9 21.9 <38.7 1230 10.8 158 123 575 <3.9 103000 68.2 32.4
46 47 Ash 8.2 11400 <4.2 43.4 218 1.9 71 <0.5 5210 <419 24.2 6.2 31.4 4420 15.2 1530 48.9 0.33 4.9 11.5 <41.9 1920 8.2 441 191 1130 <4.2 97800 52.4 18.6
76 78 Ash 7.1 7270 <3.1 36.9 196 2.5 25.4 0.2 j 1570 <319 22.8 10.3 36.8 7360 14 993 61 0.29 5 17 <31.9 1220 22.7 148 98.4 398 <3.1 51300 60.4 28.5
80 82 Soil 8.1 14800 <3.1 <3.1 78.3 0.27 9.6 <0.37 8040 <292 4.4 10.6 36.8 11800 2.6 j 5060 87.5 <0.0094 <0.62 5.3 <29.2 722 <3.1 149 40.7 <292 <3.1 365 j 37.6 31.8
80 87 Saprolite ------------------------------------------------------------
82 87 Ssprolite ------------------------------------------------------------
128 132 Rock ------------------------------------------------------------
0 2 Soil 5.8 13100 <5.9 <5.9 43.3 <0.3 <14.8 <0.71 356 <278 4.7 <5.9 33 13800 4.3 j 2010 70.1 0.011 <3 1.3 j <27.8 995 <5.9 184 j 6 <278 <5.9 1110 26.9 16.5
33 35 Soil 8.1 10800 <5.9 3.9 j 57.4 0.43 24.7 <0.71 7890 <285 33.3 27.7 92.4 23700 3.9 j 6850 280 <0.0096 2.6 j 17.6 <28.5 807 5.2 j 1050 41.1 <285 3.9 j <687 87.3 40.4
39 41 Soil 8.5 13800 <5.7 <5.7 87.8 0.15 j <14.3 <0.69 11100 <275 30.9 19.4 137 25500 <5.7 9350 250 <0.009 <2.9 16 <27.5 1000 <5.7 790 65.2 <275 <5.7 <673 89.9 34.3
4 5 Soil 6.78 31000 M <0.48 M 1.1 110 M 0.51 <5.7 M <0.024 2000 M 3 j 39 M 19 74 35000 M 5.1 12000 200 M <0.092 0.63 j,M 18 M 0.16 j 1900 M 1.2 j 700 29 M <11 0.093 j NA 120 51 M
7 8 Soil 7.43 9000 <0.44 0.5 33 0.29 <2.5 <0.022 460 7.2 j 4.5 5.5 11 7100 2.3 1600 46 <0.087 <2 2.1 0.12 j 540 0.3 j 220 j 7.9 <11 0.062 j NA 31 11
2 3 Soil 6.03 25000 <0.53 1.1 48 0.4 2.7 <0.026 720 6 j 22 3.9 15 21000 7.9 960 78 0.03 j 0.58 j 3.3 0.32 260 j 0.31 j <530 11 19 0.16 NA 64 19
4 5 Soil 5.4 27000 <0.53 0.39 j 97 0.26 1.2 j <0.026 590 29 9 6.6 69 22000 4.5 5100 97 <0.084 0.61 j 4.2 0.47 1600 0.53 j 180 j 16 28 0.049 j NA 54 31
7 8 Soil 6.1 24000 <0.52 0.45 j 160 0.34 1.1 j <0.026 1100 2.8 j 7.4 8.5 32 19000 2.1 5400 120 <0.089 <2 4.4 0.066 j 3000 0.57 j 320 31 <11 0.1 j NA 48 31
9 10 Soil 6.54 13000 <0.47 0.13 j 110 0.59 <2.1 <0.024 2000 2.2 j 3.8 8 69 15000 1.1 4300 110 <0.084 <1.7 3.4 0.095 j 2300 0.74 j 330 29 <10 0.04 j NA 45 34
2 3 Soil 7.18 18000 <0.5 0.91 48 0.31 <2.7 <0.025 610 7.1 j 15 5 14 15000 5.3 1800 47 <0.08 <2.1 4 0.28 440 0.65 j 110 j 9.9 7.6 j 0.1 j NA 47 23
4 5 Soil 7.11 9300 0.21 j,B 0.49 23 0.37 <1.9 <0.019 230 1.8 j 6.9 2.2 10 9700 3.6 950 39 <0.086 <1.5 1.3 j 0.057 j 430 0.37 j 120 j 4.6 <11 0.055 j NA 19 16
7 8 Soil 6.98 11000 0.096 j,B 0.58 29 0.55 <2.9 <0.02 580 2.2 j 4.3 3.3 13 12000 5 1400 82 <0.088 <2.3 1.6 j 0.071 j 560 0.38 j 210 j 9 <12 0.05 j NA 20 39
9 10 Soil 7.69 8400 <0.47 0.71 22 1.2 <2.4 <0.024 660 5.3 j 5.2 4.3 19 9900 3.4 960 73 <0.076 <1.9 1.8 j 0.14 j 360 0.74 j 270 8.6 <11 0.045 j NA 30 40
12 13 Soil 8.76 4600 <0.4 0.24 j 26 0.4 <2.1 <0.02 480 2.7 j 1.8 1.6 5.6 7200 2.7 980 61 <0.084 <1.7 <1.7 0.065 j 600 1 150 j 10 <10 0.03 j NA 9.6 27
2 3 Soil 5.53 28000 <0.59 0.44 j 130 0.5 1.4 j <0.03 160 j 7.9 j 4.3 4.6 38 21000 3.8 4000 160 <0.1 0.62 j 1.7 j 0.47 3000 0.35 j 91 j 7.7 13 0.1 j NA 43 53
4 5 Soil 5.65 31000 <0.56 0.6 120 0.57 1.3 j <0.028 250 j 11 j 4.1 28 29 21000 5.6 4100 360 <0.097 <2.1 1.9 j 0.08 j 2500 1.1 j 130 j 10 <12 0.083 j NA 36 54
7 8 Soil 5.3 16000 0.27 j,B 0.4 j 77 0.96 <2.4 <0.024 460 45 4.1 8.7 60 14000 2.4 2700 110 <0.091 <1.9 2 0.35 1400 1.1 j 98 j 14 <11 0.047 j NA 39 23
9 10 Soil 7.63 21000 <0.56 0.42 j 220 0.74 1.2 j <0.028 1100 5.5 j 2 14 90 23000 1.9 5900 310 <0.095 <2.2 <2.2 0.064 j 5500 0.99 j 90 j 21 <12 0.12 j NA 36 43
14 15 Soil 7.55 19000 <0.54 0.12 j 130 0.71 <2.8 <0.027 1200 3.9 j 7.3 8.9 6.6 17000 1.4 6600 230 <0.095 <2.2 3.3 0.054 j 6500 0.33 j 100 j 23 <12 0.1 j NA 37 36
19 20 Soil 6.42 14000 <0.43 0.2 j 130 0.54 0.98 j <0.022 850 1.3 j 3 7.1 2.5 15000 1.2 5000 270 <0.083 <1.8 2.2 0.038 j 5300 0.49 j 96 j 18 <11 0.11 NA 32 35
MW-01BR (0-2) 0 2 Soil 7.1 11400 <3.5 <3.5 229 0.23 <3.5 <0.43 4330 <339 4.2 13.1 70.9 14800 <3.5 8550 289 <0.011 <0.71 3.3 <33.9 4860 <3.5 207 20.3 <339 <3.5 474 j 58.8 38.2
2 2.5 Soil 6.8 18800 <3.2 <3.2 69.4 0.84 <16.2 <0.39 2320 <321 101 15.8 49.9 18500 <3.2 5600 545 0.014 <0.65 17 <32.1 70.1 <3.2 373 27.5 <321 <3.2 994 123 50.4
11 13 Soil 8.3 13600 <2.8 <2.8 258 0.33 <2.8 <0.34 2930 <274 5.1 13.8 50.4 18000 <2.8 9990 225 <0.0091 <0.57 4.4 <27.4 7310 <2.8 405 15.1 <274 <2.8 <657 88.9 45.5
31 33 Rock ------------------------------------------------------------
0 2 Soil 6.5 9300 <5.9 <5.9 68.9 0.31 15.9 <0.71 8110 <275 13.8 13.5 28.5 17200 3.5 j 3240 405 0.036 <2.9 6 <27.5 506 <5.9 295 31.8 4920 <5.9 6380 60.5 22.5
19 21 Soil ------------------------------------------------------------
21 23 Soil 7.7 12300 <5 <5 78.6 0.21 j <12.6 <0.61 7320 <247 46.6 12.5 49.9 16100 <5 8170 211 <0.0081 <2.5 21.1 <24.7 1610 <5 547 36.9 <247 <5 <614 43.7 34.7
28 38 Rock ------------------------------------------------------------
MW-03BR DUP 0 2 Soil 6.5 10600 <5.8 3.7 j 78.1 0.41 20.5 <0.7 30500 <284 13.2 12.4 37.2 18600 3.4 j 3590 399 0.058 <2.9 7 <28.4 706 3.3 j 187 j 64.9 14100 <5.8 6730 55.8 25.1
0 2 Soil 7.7 12000 <5.1 <5.1 166 0.16 j <12.8 <0.61 5500 <258 27.9 14.3 47.1 19100 <5.1 10100 328 <0.0083 <2.6 23.6 <25.8 4060 <5.1 203 j 18.3 <258 <5.1 <622 49.8 53.1
23 25 Soil 8.3 10300 <5.9 <5.9 64 <0.3 <14.9 <0.71 4720 <300 81.8 13.7 29.8 13800 <5.9 8160 284 <0.01 <3 26.1 <30 833 <5.9 337 20 <300 <5.9 <743 29.4 34.9
29 31 Soil 7.9 8320 <6.5 <6.5 111 <0.33 <16.3 <0.78 5840 <330 8.3 10.3 28.9 14900 <6.5 6320 156 <0.011 <3.3 8.3 <33 3660 <6.5 179 j 18.1 <330 <6.5 NA 40.5 34.2
MW-04 (23-25) REP 23 25 Soil 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 <619 NA NA
AB-07
MW-02BR
MW-03BR
BGSB-112
MW-04
AB-01
AB-02
AB-03
AB-04
AB-05
AB-06
BG-01BR
BGSB-02
BGSB-14
ANALYTICAL RESULTS
Borehole/
Sample ID
Depth
(FEET BGS)Classification
BGSB-18
TABLE 6-2
CHEMICAL PROPERTIES OF SOIL
ROXBORO STEAM ELECTRIC PLANT
DUKE ENERGY PROGRESS, LLC, SEMORA, NC
P:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\CSA Update Oct 2017\FINAL PDF\Tables\Tables\TABLE 6-2 Chemical Soil Properties Page 2 of 10
Aluminum Antimony Arsenic Barium Beryllium Boron Cadmium Calcium Chloride Chromium Cobalt Copper Iron Lead Magnesium Manganese Mercury Molybdenum Nickel Nitrate
(as N)Potassium Selenium Sodium Strontium Sulfate Thallium Vanadium Zinc
ug/l ug/l ug/l ug/l ug/l ug/l ug/l mg/l mg/l ug/l ug/l mg/l ug/l ug/l mg/l ug/l ug/l ug/l ug/l mg/l mg/l ug/l mg/l mg/l mg/l ug/l ug/l mg/l
3 5 Ash --------------------------------------------------------
40 41 Ash --------------------------------------------------------
75.5 77.5 Ash 130 0.79 2.6 484 <0.2 161 <0.08 1.53 <8.2 2.9 4.5 2.9 56.6 1.4 0.26 18.8 <0.2 2.2 12.4 296 0.7460001 <0.5 1.82 34.4 19.8 <0.1 <1 236
ABMW-01BR 83 85 Soil 22100 0.18 j 1.4 418 0.44 65.7 0.031 j 2.49 <6 28.2 14.8 19.1 27300 4.3 7.05 393 <0.2 5.9 12.8 <0.24 5.41 0.33 j 5.51 34.5 5.1 0.13 64.5 129
4 5 Ash --------------------------------------------------------
39 40 Ash --------------------------------------------------------
76 78 Ash 220 5.9 15.9 434 <0.2 799 0.12 43.9 20.1 5.7 <0.5 15.7 121 12.3 2.38 33.7 <0.2 128 3 265 1.97 87.1 2.63 694 135 0.39 58.4 206
80 82 Soil 66700 <0.5 4 666 2.1 35.7 0.098 6.77 <6.2 124 31.3 152 70900 15.1 8.31 845 <0.2 2.6 39.7 0.36 5.51 0.63 9.87 80.4 5.2 0.23 181 214
3 5 Ash 1190 0.5 j 1 246 1.7 69.9 20.4 2.85 <5.8 1.1 140 54 233 0.98 0.916 176 <0.2 3.2 371 <0.23 0.473 0.27 j 1.86 59.6 27.6 0.26 0.56 j 4050
8 10 Soil 180 <0.5 <0.5 106 <0.2 93.7 0.027 j 3.92 <6.9 0.42 j 7 0.46 j 155 0.063 j 1.5 226 <0.2 <0.5 6.4 0.28 0.474 0.39 j 2.32 39.3 26.6 <0.1 0.46 j 61.9
12 14 Soil --------------------------------------------------------
AB-03 DUP 12 14 Soil --------------------------------------------------------
14 15 Ash --------------------------------------------------------
50 52 Ash 246 <0.5 <0.5 154 <0.2 80.8 <0.08 1.68 <5.9 0.75 1.2 0.63 j 135 0.11 0.764 1280 <0.2 0.095 j 0.41 j <0.24 0.142 <0.5 0.7450001 14.9 4.6 <0.1 0.57 j 54.7
50 55 ----------------------------------------------------------
51 53 Ash --------------------------------------------------------
56 58 Ash --------------------------------------------------------
3 5 Ash --------------------------------------------------------
38 40 Ash --------------------------------------------------------
48 50 Ash 162 3.8 19.7 377 <0.2 231 <0.08 11.3 <7 24.5 <0.5 30.4 617 4.3 5.75 185 <0.2 11.1 7.9 134 0.938 30.1 1.83 222 50.3 <0.1 43.2 147
58 60 Soil 1530 <0.5 11 295 <0.2 265 <0.08 5.26 <7.4 2.9 3.7 8 1720 0.84 2.18 274 <0.2 2.6 2.5 157 1.47 <0.5 3.03 92.4 45.8 <0.1 14.6 136
68 70 Soil --------------------------------------------------------
3 5 Ash --------------------------------------------------------
35 37 Ash --------------------------------------------------------
56 58 Soil 48.8 2 21.2 145 <0.2 309 <0.08 6.2 <7.4 2.2 <0.5 2.3 <50 0.85 1.38 2.3 <0.2 33.7 0.71 22 1.61 9.5 1.48 178 24.4 <0.1 29.3 50.5
61 62 Soil 559 <0.5 <0.5 1100 <0.2 189 0.28 3.9 <6 95.9 2.8 180 2140 33.1 1.27 516 <0.2 13 130 247 1.02 <0.5 3.93 54.2 7.2 <0.1 1.7 557
62 64 Soil 8860 <0.5 3.7 70.3 0.23 107 <0.08 3.3 <5.4 4.7 1.3 3.7 5520 2.2 1.9 200 <0.2 8.2 2.1 16.3 1.16 1.5 6.84 27.2 3.4 <0.1 13 24.2
65 67 Soil --------------------------------------------------------
3 5 Ash --------------------------------------------------------
46 47 Ash --------------------------------------------------------
76 78 Ash 255 4.4 5.5 534 <0.2 322 <0.08 9.990001 <6.4 4 <0.5 6.4 72.8 4.5 1.27 22.5 <0.2 67.2 1.4 293 1.38 7.5 2.96 194 26.7 0.17 9.4 325
80 82 Soil 16700 <0.5 1.5 82.1 0.41 101 <0.08 7.16 <5.9 13.4 13 55.4 17000 4.9 4.39 180 <0.2 3.1 8.1 10.3 1.17 <0.5 6.14 33.8 6 <0.1 91.5 28.2
80 87 Saprolite --------------------------------------------------------
82 87 Saprolite --------------------------------------------------------
128 132 Rock --------------------------------------------------------
0 2 Soil --------------------------------------------------------
33 35 Soil --------------------------------------------------------
39 41 Soil 19200 <2.5 0.72 j 349 <1 42.6 <0.4 12.1 <5.6 24.7 45.2 260 29000 1.9 9.9 643 <0.2 0.5 j 22.5 <0.22 1.52 <2.5 6.55 114 4 <0.5 114 80.6
4 5 Soil --------------------------------------------------------
7 8 Soil --------------------------------------------------------
2 3 Soil --------------------------------------------------------
4 5 Soil --------------------------------------------------------
7 8 Soil --------------------------------------------------------
9 10 Soil --------------------------------------------------------
2 3 Soil --------------------------------------------------------
4 5 Soil --------------------------------------------------------
7 8 Soil --------------------------------------------------------
9 10 Soil --------------------------------------------------------
12 13 Soil --------------------------------------------------------
2 3 Soil --------------------------------------------------------
4 5 Soil --------------------------------------------------------
7 8 Soil --------------------------------------------------------
9 10 Soil --------------------------------------------------------
14 15 Soil --------------------------------------------------------
19 20 Soil --------------------------------------------------------
MW-01BR (0-2) 0 2 Soil --------------------------------------------------------
2 2.5 Soil --------------------------------------------------------
11 13 Soil 739 <0.5 0.56 514 <0.2 129 <0.08 2.81 <5.5 2.9 4.4 19.5 385 1.1 1.43 65.2 <0.2 2.2 2.2 204 0.766 <0.5 7.4 40.7 4.8 <0.1 21.8 213
31 33 Rock --------------------------------------------------------
0 2 Soil --------------------------------------------------------
19 21 Soil --------------------------------------------------------
21 23 Soil 10000 <0.5 0.34 j 214 0.17 j 86.5 <0.08 5.7 <5.1 35.1 9.9 61.7 10400 1.2 5.65 233 <0.2 0.38 j 17.6 <0.2 1.21 0.22 j 5.63 53.2 6.4 0.022 j 52.7 57.7
28 38 Rock --------------------------------------------------------
MW-03BR DUP 0 2 Soil --------------------------------------------------------
0 2 Soil --------------------------------------------------------
23 25 Soil 12400 <0.5 0.23 j 326 0.12 j 78.9 0.047 j 5.25 <6.2 106 23.4 42 14600 2.2 11.1 534 <0.2 <0.5 37.2 <0.25 1.04 <0.5 4.42 34.8 4.5 0.021 j 53.9 94.5
29 31 Soil --------------------------------------------------------
MW-04 (23-25) REP 23 25 Soil --------------------------------------------------------
AB-07
MW-02BR
MW-03BR
AB-04
AB-05
AB-06
BG-01BR
BGSB-02
BGSB-14
LEACHING PROPERTIES
Borehole/
Sample ID Depth (FEET BGS)Classification
AB-01
AB-02
AB-03
BGSB-18
BGSB-112
MW-04
TABLE 6-2
CHEMICAL PROPERTIES OF SOIL
ROXBORO STEAM ELECTRIC PLANT
DUKE ENERGY PROGRESS, LLC, SEMORA, NC
P:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\CSA Update Oct 2017\FINAL PDF\Tables\Tables\TABLE 6-2 Chemical Soil Properties Page 3 of 10
Al2O3 BaO CaO Cr2O3 Fe2O3 K2O MgO MnO Na2O P2O5 SiO2 SrO TiO2 V2O5 LOI As Cd Ce Co Cu Ga La Mo Ni Pb Sb Se Sn W Zn Zr
%%%%%%%%%%%%%%%ppm ppm ppm ppm ppm ppm ppm ppm ppm ppm ppm ppm ppm ppm ppm ppm
3 5 Ash --------------------------------------------------------------
40 41 Ash --------------------------------------------------------------
75.5 77.5 Ash --------------------------------------------------------------
ABMW-01BR 83 85 Soil 12.2 0.03 3.32 <0.01 7.3 0.79 1.74 0.11 1.46 0.09 70.12 0.06 0.73 0.05 2.34 1 <0.2 79 19 42 13 22 2 16 12 <1 <1 <1 <1 159 10
4 5 Ash --------------------------------------------------------------
39 40 Ash --------------------------------------------------------------
76 78 Ash --------------------------------------------------------------
80 82 Soil --------------------------------------------------------------
3 5 Ash --------------------------------------------------------------
8 10 Soil --------------------------------------------------------------
12 14 Soil --------------------------------------------------------------
AB-03 DUP 12 14 Soil --------------------------------------------------------------
14 15 Ash --------------------------------------------------------------
50 52 Ash --------------------------------------------------------------
50 55 --13.55 0.02 1.75 <0.01 8.35 0.39 0.48 0.15 0.8 0.06 70.12 0.04 0.87 0.08 5.67 3 <0.2 83 31 43 14 14 3 43 14 1 <1 <1 <1 49 9
51 53 Ash --------------------------------------------------------------
56 58 Ash --------------------------------------------------------------
3 5 Ash --------------------------------------------------------------
38 40 Ash --------------------------------------------------------------
48 50 Ash --------------------------------------------------------------
58 60 Soil --------------------------------------------------------------
68 70 Soil --------------------------------------------------------------
3 5 Ash --------------------------------------------------------------
35 37 Ash --------------------------------------------------------------
56 58 Soil --------------------------------------------------------------
61 62 Soil --------------------------------------------------------------
62 64 Soil --------------------------------------------------------------
65 67 Soil --------------------------------------------------------------
3 5 Ash --------------------------------------------------------------
46 47 Ash --------------------------------------------------------------
76 78 Ash --------------------------------------------------------------
80 82 Soil --------------------------------------------------------------
80 87 Saprolite 18.69 0.06 6.35 0.04 8.09 1.35 2.46 0.1 1.11 0.16 54.44 0.04 0.96 0.03 3.79 <1 <0.2 20 28 55 5 10 2 8200 52 5 <1 <1 <1 68 6
82 87 Saprolite --------------------------------------------------------------
128 132 Rock 17.99 0.02 11.96 0.02 13.7 0.95 2.17 0.14 0.78 0.03 49.68 0.05 0.85 0.06 2.79 <1 <0.2 12 29 221 13 6 <1 5796 11 6 3 <1 1 92 5
0 2 Soil --------------------------------------------------------------
33 35 Soil --------------------------------------------------------------
39 41 Soil --------------------------------------------------------------
4 5 Soil --------------------------------------------------------------
7 8 Soil --------------------------------------------------------------
2 3 Soil --------------------------------------------------------------
4 5 Soil --------------------------------------------------------------
7 8 Soil --------------------------------------------------------------
9 10 Soil --------------------------------------------------------------
2 3 Soil --------------------------------------------------------------
4 5 Soil --------------------------------------------------------------
7 8 Soil --------------------------------------------------------------
9 10 Soil --------------------------------------------------------------
12 13 Soil --------------------------------------------------------------
2 3 Soil --------------------------------------------------------------
4 5 Soil --------------------------------------------------------------
7 8 Soil --------------------------------------------------------------
9 10 Soil --------------------------------------------------------------
14 15 Soil --------------------------------------------------------------
19 20 Soil --------------------------------------------------------------
MW-01BR (0-2) 0 2 Soil --------------------------------------------------------------
2 2.5 Soil --------------------------------------------------------------
11 13 Soil 19.9 0.03 6.63 0.02 7.23 0.9 1.19 0.09 1.38 0.14 56.51 0.05 0.8 0.03 1.63 <1 0.4 15 16 56 13 8 1 10212 8 5 2 <1 <1 83 5
31 33 Rock 18.8 0.07 5.3 0.02 6.91 1.18 1.19 0.06 1.39 0.14 59.93 0.05 0.65 0.02 0.59 <1 <0.2 9 15 76 6 5 <1 10339 7 5 1 1 <1 57 3
0 2 Soil --------------------------------------------------------------
19 21 Soil --------------------------------------------------------------
21 23 Soil --------------------------------------------------------------
28 38 Rock --------------------------------------------------------------
MW-03BR DUP 0 2 Soil --------------------------------------------------------------
0 2 Soil --------------------------------------------------------------
23 25 Soil --------------------------------------------------------------
29 31 Soil --------------------------------------------------------------
MW-04 (23-25) REP 23 25 Soil --------------------------------------------------------------
AB-07
MW-02BR
MW-03BR
BGSB-14
BGSB-18
BGSB-112
MW-04
WHOLE ROCK ELEMENTAL ANALYSIS
Borehole/
Sample ID Depth (FEET BGS)Classification
AB-06
BG-01BR
BGSB-02
WHOLE ROCK METAL OXIDE ANALYSIS
AB-01
AB-02
AB-03
AB-04
AB-05
TABLE 6-2
CHEMICAL PROPERTIES OF SOIL
ROXBORO STEAM ELECTRIC PLANT
DUKE ENERGY PROGRESS, LLC, SEMORA, NC
P:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\CSA Update Oct 2017\FINAL PDF\Tables\Tables\TABLE 6-2 Chemical Soil Properties Page 4 of 10
Antimony
(mL/g)
Arsenic
(mL/g)
Boron
(mL/g)
Chromium
(mL/g)Cobalt (mL/g)Selenium
(mL/g)
Thallium
(mL/g)
Antimony
(mL/g)Arsenic (mL/g)Boron
(mL/g)
Chromium
(mL/g)
Cobalt
(mL/g)
Selenium
(mL/g)
Thallium
(mL/g)
Antimony
(mL/g)Arsenic (mL/g)Boron
(mL/g)Chromium (mL/g)Cobalt
(mL/g)
Selenium
(mL/g)
Thallium
(mL/g)
3 5 Ash ------------------------------------------
40 41 Ash ------------------------------------------
75.5 77.5 Ash ------------------------------------------
ABMW-01BR 83 85 Soil 45.2 229.6 NLI 160.9 2009.3 35.9 360.3 45 220.2 NLI 168.3 2137.5 32.4 389.4 60 40 --70 180 25 190
4 5 Ash ------------------------------------------
39 40 Ash ------------------------------------------
76 78 Ash ------------------------------------------
80 82 Soil ------------------------------------------
3 5 Ash ------------------------------------------
8 10 Soil ------------------------------------------
12 14 Soil ------------------------------------------
AB-03 DUP 12 14 Soil ------------------------------------------
14 15 Ash ------------------------------------------
50 52 Ash ------------------------------------------
50 55 --------------------------------------------
51 53 Ash ------------------------------------------
56 58 Ash ------------------------------------------
3 5 Ash ------------------------------------------
38 40 Ash ------------------------------------------
48 50 Ash ------------------------------------------
58 60 Soil ------------------------------------------
68 70 Soil ------------------------------------------
3 5 Ash ------------------------------------------
35 37 Ash ------------------------------------------
56 58 Soil ------------------------------------------
61 62 Soil ------------------------------------------
62 64 Soil ------------------------------------------
65 67 Soil ------------------------------------------
3 5 Ash ------------------------------------------
46 47 Ash ------------------------------------------
76 78 Ash ------------------------------------------
80 82 Soil ------------------------------------------
80 87 Saprolite ------------------------------------------
82 87 Saprolite 21.2 14.8 NLI 696.1 NLI NLI 1164.4 --20.5 NLI 829.9 NLI NLI 1348.3 200 75 5 425 950 10 900
128 132 Rock ------------------------------------------
0 2 Soil ------------------------------------------
33 35 Soil ------------------------------------------
39 41 Soil ------------------------------------------
4 5 Soil ------------------------------------------
7 8 Soil ------------------------------------------
2 3 Soil ------------------------------------------
4 5 Soil ------------------------------------------
7 8 Soil ------------------------------------------
9 10 Soil ------------------------------------------
2 3 Soil ------------------------------------------
4 5 Soil ------------------------------------------
7 8 Soil ------------------------------------------
9 10 Soil ------------------------------------------
12 13 Soil ------------------------------------------
2 3 Soil ------------------------------------------
4 5 Soil ------------------------------------------
7 8 Soil ------------------------------------------
9 10 Soil ------------------------------------------
14 15 Soil ------------------------------------------
19 20 Soil ------------------------------------------
MW-01BR (0-2) 0 2 Soil ------------------------------------------
2 2.5 Soil ------------------------------------------
11 13 Soil NLI 21.3 NLI 104.9 1277.7 4.8 NLI NLI 22 NLI 107 888.6 4.7 NLI 75 60 5 325 825 40 925
31 33 Rock ------------------------------------------
0 2 Soil ------------------------------------------
19 21 Soil 11.8 42 NLI NLI 2335.5 4.6 1014.1 12 42.9 NLI NLI --4.7 1130 75 105 --200 425 50 425
21 23 Soil ------------------------------------------
28 38 Rock NLI 22.9 NLI 66.2 331.5 6.4 1697.1 NLI 19.1 NLI 61.2 291.9 4.9 1647 70 20 --25 270 11 500
MW-03BR DUP 0 2 Soil ------------------------------------------
0 2 Soil ------------------------------------------
23 25 Soil ------------------------------------------
29 31 Soil ------------------------------------------
MW-04 (23-25) REP 23 25 Soil ------------------------------------------
Batch Study - Trial 1 Batch Study - Trial 2 Column Study - Trial ABorehole/
Sample ID Depth (FEET BGS)Classification
AB-04
AB-05
SORPTION
AB-01
AB-02
AB-03
AB-06
AB-07
BG-01BR
BGSB-02
BGSB-14
BGSB-18
BGSB-112
MW-02BR
MW-03BR
MW-04
TABLE 6-2
CHEMICAL PROPERTIES OF SOIL
ROXBORO STEAM ELECTRIC PLANT
DUKE ENERGY PROGRESS, LLC, SEMORA, NC
P:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\CSA Update Oct 2017\FINAL PDF\Tables\Tables\TABLE 6-2 Chemical Soil Properties Page 5 of 10
Antimony (mL/g)Arsenic
(mL/g)
Boron
(mL/g)Chromium (mL/g)Cobalt (mL/g)Selenium (mL/g)Thallium (mL/g)Antimony
(mL/g)
Arsenic
(mL/g)
Boron
(mL/g)
Chromium
(mL/g)
Cobalt
(mL/g)
Selenium
(mL/g)
Thallium
(mL/g)
3 5 Ash ----------------------------
40 41 Ash ----------------------------
75.5 77.5 Ash ----------------------------
ABMW-01BR 83 85 Soil ----------------------------
4 5 Ash ----------------------------
39 40 Ash ----------------------------
76 78 Ash ----------------------------
80 82 Soil ----------------------------
3 5 Ash ----------------------------
8 10 Soil ----------------------------
12 14 Soil ----------------------------
AB-03 DUP 12 14 Soil ----------------------------
14 15 Ash ----------------------------
50 52 Ash ----------------------------
50 55 ------------------------------
51 53 Ash ----------------------------
56 58 Ash ----------------------------
3 5 Ash ----------------------------
38 40 Ash ----------------------------
48 50 Ash ----------------------------
58 60 Soil ----------------------------
68 70 Soil ----------------------------
3 5 Ash ----------------------------
35 37 Ash ----------------------------
56 58 Soil ----------------------------
61 62 Soil ----------------------------
62 64 Soil ----------------------------
65 67 Soil ----------------------------
3 5 Ash ----------------------------
46 47 Ash ----------------------------
76 78 Ash ----------------------------
80 82 Soil ----------------------------
80 87 Saprolite ----------------------------
82 87 Saprolite ----------------------------
128 132 Rock ----------------------------
0 2 Soil ----------------------------
33 35 Soil ----------------------------
39 41 Soil ----------------------------
4 5 Soil ----------------------------
7 8 Soil ----------------------------
2 3 Soil ----------------------------
4 5 Soil ----------------------------
7 8 Soil ----------------------------
9 10 Soil ----------------------------
2 3 Soil ----------------------------
4 5 Soil ----------------------------
7 8 Soil ----------------------------
9 10 Soil ----------------------------
12 13 Soil ----------------------------
2 3 Soil ----------------------------
4 5 Soil ----------------------------
7 8 Soil ----------------------------
9 10 Soil ----------------------------
14 15 Soil ----------------------------
19 20 Soil ----------------------------
MW-01BR (0-2) 0 2 Soil ----------------------------
2 2.5 Soil ----------------------------
11 13 Soil ----------------------------
31 33 Rock ----------------------------
0 2 Soil ----------------------------
19 21 Soil ----------------------------
21 23 Soil ----------------------------
28 38 Rock ----------------------------
MW-03BR DUP 0 2 Soil ----------------------------
0 2 Soil ----------------------------
23 25 Soil ----------------------------
29 31 Soil ----------------------------
MW-04 (23-25) REP 23 25 Soil ----------------------------
Column Study - Trial B Column Study - Trial CBorehole/
Sample ID ClassificationDepth (FEET BGS)
BGSB-14
AB-01
AB-02
SORPTION CONTINUED
AB-03
AB-04
AB-05
AB-06
AB-07
BG-01BR
BGSB-02
BGSB-18
BGSB-112
MW-02BR
MW-03BR
MW-04
TABLE 6-2
CHEMICAL PROPERTIES OF SOIL
ROXBORO STEAM ELECTRIC PLANT
DUKE ENERGY PROGRESS, LLC, SEMORA, NC
P:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\CSA Update Oct 2017\FINAL PDF\Tables\Tables\TABLE 6-2 Chemical Soil Properties Page 6 of 10
pH at
25°C Aluminum Antimony Arsenic Barium Beryllium Boron Cadmium Calcium Chloride Chromium Cobalt Copper Iron Lead Magnesium Manganese Mercury Molybdenum Nickel Nitrate (as
N)Potassium Selenium Sodium Strontium Sulfate Thallium Total Organic
Carbon Vanadium Zinc
S.U.mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg
ANALYTICAL RESULTS
Borehole/
Sample ID
Depth
(FEET BGS)Classification
1 2 Soil 7.4 13400 <2.8 <2.8 204 0.21 <2.8 <0.34 3960 <279 5.2 11.7 22.4 14400 <2.8 9940 235 <0.0087 <0.56 4.8 <27.9 6810 <2.8 230 18.3 178 j <2.8 334 j 66 51.5
5 6 Soil 7.3 8030 <2.6 <2.6 66.1 0.11 <2.6 <0.32 4060 <267 32.9 16.6 43.2 8690 <2.6 6080 233 <0.0087 <0.53 34 <26.7 283 <2.6 299 31.9 <267 <2.6 <637 27.3 27.7
9.5 11.5 Soil 7.4 7980 <3.2 <3.2 74.9 0.17 10.5 <0.38 4850 <320 3.8 8.8 50.7 13400 <3.2 4420 137 <0.01 <0.63 8 <32 623 <3.2 440 25 <320 <3.2 <765 49.8 23.2
15 17 PWR ------------------------------------------------------------
MW-05BR DUP 5 6 Soil 7.2 7800 <2.8 <2.8 53.5 0.11 <2.8 <0.33 3990 <282 36.4 14.5 40.6 9160 <2.8 5940 223 <0.0091 <0.55 34.9 <28.2 262 <2.8 293 24.8 <282 <2.8 <681 23.9 27.4
0 2 Soil 6.2 10400 <3 <3 59 0.37 26.9 <0.36 1210 <309 37.3 22.2 19.7 22700 6.1 1980 663 0.016 <3 6.7 <30.9 209 j <3 <299 14.7 <309 <6 1600 77.6 14.5
5 7 Soil 7.1 9500 <2.7 <2.7 51.9 0.52 16.9 <0.33 3310 <280 4.4 8 3.6 15800 3.6 4910 426 <0.0089 <2.7 9.4 <28 239 j <2.7 <273 29.9 <280 <2.7 411 j 37.7 35.3
8 10 Soil 7.7 17600 <2.7 <2.7 45.7 0.5 23.4 <0.33 4940 <279 97.4 16.6 54.3 20200 2.1 j 10600 364 <0.009 <2.7 59.2 <27.9 240 j <2.7 <272 69.5 <279 <2.7 870 48.1 49.9
MW-07 0 2 Soil 6.2 32800 <7.8 <7.8 87.5 0.76 <19.5 <0.94 2100 <371 24.1 21.4 77.3 49400 4.1 j 3610 358 0.038 <3.9 5.9 <37.1 <390 <7.8 <390 20.2 <371 <7.8 4310 177 24.4
0 2 Soil 5.7 5680 <6.9 <6.9 52.7 0.28 j <17.2 <0.83 846 <336 1.5 j 3.5 j 20.2 11200 <6.9 2920 87.4 <0.011 <3.4 2.9 <33.6 206 j <6.9 235 j 14.6 <336 <6.9 436 j 21.8 34
14 16 Soil 7.6 4110 <5.2 <5.2 49.3 0.23 j <13.1 <0.63 1830 <263 0.82 j 4.6 j 2.4 10200 <5.2 2910 222 <0.0086 <2.6 1.4 <26.3 836 <5.2 221 j 13.7 <263 <5.2 <643 21.6 41.4
21 23 Soil 7.3 14800 <5.7 <5.7 128 1.1 <14.2 <0.68 11200 <283 17.4 15.3 0.78 j 20500 6 14300 496 <0.0092 <2.8 34.7 <28.3 5680 <5.7 211 j 97.2 <283 <5.7 <685 43.1 78.6
26 31 Soil - PWR ------------------------------------------------------------
MW-09 0 2 Soil 7.5 11500 <7.3 <7.3 128 0.29 j <18.3 <0.88 4270 <356 9.6 10 41.5 20100 <7.3 5110 322 <0.012 <3.7 3.5 <35.6 979 <7.3 210 j 41.9 <356 <7.3 1480 73.6 34.5
MW-10BR 0 2 Soil 5.6 18200 <7.2 <7.2 42.3 0.45 <18 <0.86 723 <359 10.7 5.6 j 10.9 31400 6.7 j 1530 57.8 0.018 <3.6 1.8 j <35.9 <359 <7.2 <359 8.3 <359 <7.2 3900 94.7 20.1
1.5 2 Soil 8.1 7660 <1.3 1.4 40.6 0.24 10.9 <0.15 4440 <316 15.7 17.4 21.3 15500 5.3 3650 530 0.0054 j <0.64 11.7 <31.6 273 <1.3 269 17.7 <316 <1.3 1630 55.3 17
18.75 19.5 Soil 8.5 11300 <1.4 <1.4 158 0.1 11.3 <0.16 4330 <325 13 12.6 58.7 16600 <1.4 8760 245 <0.011 <0.68 12.2 <32.5 4330 <1.4 282 16.3 <325 <1.4 <781 50.2 51.4
19 19.5 Soil ------------------------------------------------------------
MW-12 0 2 Soil 7.3 11100 <5.7 <5.7 149 0.24 j <14.2 <0.68 3300 <284 10.5 <5.7 31.3 16500 <5.7 7690 269 0.0044 j <2.8 16.6 <28.4 3420 <5.7 247 j 22.8 <284 <5.7 1550 38.8 44
0 2 Soil 4.8 12100 <1.3 <1.3 28.7 0.092 8.9 <0.16 153 <322 4.2 1.9 6.8 13200 3.1 2970 51.5 <0.011 <0.65 1.4 <32.2 384 <1.3 84.5 4.4 <322 <1.3 2400 30.4 20.2
22 24 Soil 8.0 6730 <1.2 <1.2 102 0.14 9.2 <0.14 3890 <299 8.7 8.1 41 13100 <1.2 4020 132 <0.01 <0.6 4.4 <29.9 2320 <1.2 389 13.2 <299 <1.2 <742 59.3 25.1
1 1.25 Soil 4.8 11000 <1.2 <1.2 71.3 0.14 j <3.1 <0.15 593 <300 4.1 5.3 11.1 16100 4.8 4960 79.4 0.011 <0.62 3.4 <30 1110 <1.2 183 20.4 <300 <1.2 499 j 45.2 26.6
31 31.5 Soil 8.8 8590 <1 <1 170 0.11 j <2.6 <0.12 2810 <254 9 8.6 23.1 12600 <1 6490 238 <0.0084 <0.51 6.5 <25.4 4830 <1 383 22.4 <254 <1 <612 31 37.9
37 38 Soil ------------------------------------------------------------
37.5 38 Soil 8.0 12300 <1.1 <1.1 198 0.25 <2.8 <0.13 6340 <286 54 15.8 17.7 15200 <1.1 13100 290 <0.0089 <0.55 53.7 <28.6 3860 <1.1 174 57.5 <286 <1.1 <693 33.3 49.6
0 2 Soil 5.5 26000 <6.6 <6.6 81.4 0.48 30.9 <0.79 2160 <335 120 26.3 49.7 50500 8.5 3340 230 0.027 <3.3 58.7 <33.5 244 j <6.6 <331 18.2 <335 <6.6 5570 201 20.3
24 31 Soil - Rock ------------------------------------------------------------
31 33 Soil 7.3 24700 <6.5 <6.5 61.7 <0.32 26.8 <0.78 13600 <312 55.4 58 83.7 40300 <6.5 30900 488 <0.0098 <3.2 222 <31.2 671 <6.5 2300 115 <312 <6.5 <745 56.4 41
34 35 Soil 7.9 24300 <5.4 <5.4 86.1 <0.27 21.8 <0.65 13500 <265 36.4 45.8 85.8 34900 <5.4 25400 436 <0.0088 <2.7 176 <26.5 832 <5.4 2040 246 <265 <5.4 <657 31 34.9
0 2 Soil 7.7 13500 <6 <6 210 0.43 <14.9 <0.72 1530 <290 10.6 20.7 84.1 23700 <6 6440 168 <0.0092 <3 9.1 <29 1970 <6 250 j 23.2 <290 <6 <688 43.6 41.3
36 38 Soil 8.4 9670 <6.2 <6.2 150 0.32 <15.5 <0.74 4150 <314 2.5 5.8 j 46.7 24600 <6.2 5370 245 <0.01 <3.1 1.2 j <31.4 3240 <6.2 202 j 19.5 <314 <6.2 <758 39.5 58
5 7 Soil ------------------------------------------------------------
29 31 Soil 8.4 8530 <5.1 <5.1 84.3 0.32 17.9 <0.61 5300 <250 4.8 5.7 5.7 19800 <5.1 5920 315 <0.0081 <2.5 7.9 <25 857 <5.1 183 j 18.8 <250 <5.1 <609 23 56.4
0 2 Soil 5.7 6890 <6.9 <6.9 28.8 0.17 j <17.1 <0.82 354 <331 2.8 <6.9 2.1 7680 <6.9 580 39.1 <0.011 <3.4 <1.7 <33.1 281 j <6.9 <343 6.1 <331 <6.9 1400 9.9 15.2
8 10 Soil ------------------------------------------------------------
31 33 Soil 7.3 3420 <6 <6 31.3 0.22 j <15 <0.72 581 <292 1.9 <6 4.8 7000 <6 686 353 <0.0092 <3 <1.5 <29.2 731 <6 222 j 8 <292 <6 <716 3.1 j 18.7
28 30 Soil ------------------------------------------------------------
37 38 Soil 7.3 3600 <6.1 <6.1 18.4 0.18 j <15.3 <0.73 670 <296 1.3 j <6.1 22.4 3410 <6.1 708 175 <0.0098 <3.1 <1.5 <29.6 486 <6.1 <306 6.7 <296 <6.1 <730 <6.1 16.2
SB-31 0.5 1 Soil 4.9 16000 <0.54 3.2 55 0.7 <4.8 0.064 1000 2.6 j 34 44 14 27000 14 980 700 0.051 j 0.54 j 4.4 0.17 j 240 0.83 j 50 j 8.3 <11 0.095 j NA 77 24
CF-01 ----Sediment NA 15000 <3 N2 26.5 140 1.6 10.3 0.25 1280 <365 D3 33.3 24.2 32.7 13700 24.5 1570 415 0.018 3.1 20.6 <36.5 H3,D3 1660 9.6 <372 64.8 <365 D3 <1.5 5780 100 39
CF-03 ----Sediment NA 35300 <8.7 N2 77.9 261 1.5 12.1 1 2940 <1020 D3 55.8 25.6 53.8 35500 32.6 2570 394 0.073 22.4 47.5 <102 H3,D3 1870 29.9 274 70.9 <1020 D3 <4.4 35500 201 150
CF-05 ----Sediment NA 13500 <3.3 N2 19.6 107 0.19 <4.1 0.22 1010 <452 D3 25.2 10 14.4 12500 14.5 1250 228 0.034 3.3 10.9 <45.2 H3,D3 855 13.4 86.9 19 <452 D3 <1.6 11600 65.8 30.6
CL-02 ----Sediment 7.7 H6 305 <0.74 <0.99 3.8 <0.049 4.9 <0.12 104 <249 D3,M1 0.49 <0.99 0.69 93.1 <0.99 56.9 2.1 <0.008 <0.49 0.36 <24.9 H1,D3,M 75.5 <0.99 <49.5 5 <249 D3,M <0.99 28400 1.1 1
CL-04 ----Sediment 7.9 H6 6250 <3.8 N2 4.1 28.9 0.2 <4.5 <0.23 716 <467 D3 6 2.4 5.6 5550 <1.9 1110 57.2 0.024 2.1 3.5 <46.7 H1,D3 139 2.2 120 9.1 <467 D3 <1.9 11900 18.4 10
CL-06 ----Sediment 7.8 H6 16900 M1 <2.8 N2 <1.4 92.7 M1 0.54 <3.5 M1 <0.17 5410 M1,R1 <365 D3 14.7 9.2 13.3 17700 M1 3.8 4380 M1 124 M1 0.025 <0.71 M1 11.8 <36.5 D3 238 <1.4 253 32.5 <365 D3 <1.4 1720 51.6 27.5
CL-07 ----Sediment 7.5 H6 18700 <2.7 N2 5.7 120 0.43 <3.4 <0.16 3900 <342 D3 21.6 9.7 31.8 26700 2.6 6880 387 <0.011 1.1 18.3 <34.2 D3 1840 2.8 119 31.2 <342 D3 <1.3 2740 69.8 45.9
CV-01 ----Sediment 7.1 H6 2860 <2.6 N2 <1.3 13.2 <0.067 <3.4 <0.15 205 <334 D3 3.6 2 2.9 2920 <1.3 409 101 0.012 <0.67 2.2 <33.4 H3,D3 110 <1.3 <67.4 2.4 <334 D3 <1.3 1770 8.5 4.8
CV-02 ----Sediment 7.2 H6 6800 <0.72 13.9 68.6 0.28 3.1 <0.11 886 <253 D3 6.6 5.3 9.5 9400 3.7 1180 721 0.031 8.1 3.9 <25.3 D3 421 3.3 <47.9 15.9 <253 D3 <0.96 13000 23.3 19
EF-01 ----Sediment NA 8730 <7.7 N2,M6 62.9 64 0.85 <9.1 0.92 841 <807 D3,M1 21.7 32.4 20.2 8870 26.5 724 119 0.067 7.5 13.9 <80.7 H3,D3,M 536 31.6 M6 <181 22.6 <807 D3 <3.9 9020 206 M6 36.3
EF-03 ----Sediment NA 9800 <3.2 N2 15 65.9 0.42 <4 0.28 1190 <406 D3 25.1 13.9 15.3 14400 5.6 2010 355 0.014 2.4 15.5 <40.6 H3,D3 565 6 <79.3 14 <406 D3 <1.6 8920 55.4 39.8
NL-04 ----Sediment 7.6 H6 9110 <0.76 29.7 89 1 4 <0.12 5010 <253 D3 10.6 6.2 15.9 8580 9.4 676 1080 0.047 8.3 8.3 <25.3 D3 727 5.6 111 49.7 <253 D3 <1 12400 30.6 23.3
NL-08 ----Sediment 7.6 H6 947 <0.74 3.1 10 0.05 <2.5 <0.12 170 <247 D3 0.99 <0.99 2.8 1140 <0.99 154 145 <0.008 4.4 0.59 <24.7 D3 87.5 1.3 <49.3 3.1 <247 D3 <0.99 9490 3.2 3.4
SL-08 ----Sediment 7.3 H6 894 <0.73 3.4 6.4 <0.048 <2.4 <0.12 138 <243 D3 1.1 <0.97 1.5 1100 <0.97 113 63.3 <0.0079 3.1 0.55 <24.3 D3 <48.5 1.7 <48.5 2.5 <243 D3 <0.97 12400 3 2.9
WF-01 ----Sediment NA 20100 <2.9 N2 21.1 165 1.5 4.4 0.25 1620 <409 D3 32.6 19.8 42.9 19200 16.7 3770 413 0.018 3.3 20.2 <40.9 H3,D3 2320 7 324 49 <409 D3 <1.4 4060 93.7 55.2
WF-03 ----Sediment NA 10900 <2.3 N2,M6,R1 10.7 M6 88.9 0.42 <2.9 0.2 783 <337 D3 30.7 12.9 15.9 9880 10.4 795 454 0.018 2 13.8 <33.7 H3,D3 498 7.2 102 22.4 <337 D3 <1.2 5070 51.7 M6 26.8
Prepared by: ARL Checked by: LWD
Notes:
-- No data available BGS - Below ground surface mg/kg - Milligrams per kilogram NLI - Non-linear isotherm S.U. - Standard Unit
% - percent DUP - Duplicate mg/L - Milligrams per liter ppm - part per million ug/L - Micrograms per liter
°C - Degrees Celsius mL/g - Milliliters per gram NA - Not analyzed REP = Replicate
< - concentration not detected at or above the adjusted reporting limit.
Only Kd values for constituents present in the test solution are presented in the table above.
B - Target analyte detected in method blank at or above the reporting limit. Target analyte concentration in sample is less than 10X the concentration in the method blank. Analyte concentration in sample could be due to blank contamination.
D3 - Sample was diluted due to the presence of high levels of non-target analytes or other matrix interference.
H3 - Sample was received or analysis requested beyond the recognized method holding time.
j - Estimated concentration above the adjusted method detection limit and below the adjusted reporting limit.
Kd values presented were taken from the Langley et al. (2015) sorption report.
L1 - Analyte recovery in the laboratory control sample (LCS) was above quality control (QC) limits. Results may be biased high.
L3 - Analyte recovery in the laboratory control sample (LCS) exceeded quality control (QC) limits. Analyte presence below reporting limits in associated samples. Results unaffected by high bias.
M - Matrix spike / matrix spike dup failure.
M1 - Matrix spike recovery was high: the associated Laboratory Control Spike (LCS) was acceptable.
M6 - Matrix spike and Matrix spike duplicate recovery not evaluated against control limits due to sample dilution.
N2 - The lab does not hold accreditation for this parameter.
R1 - Relative Percent Difference (RPD) value was outside control limits.
MW-05BR
MW-08
MW-17
MW-16
MW-18
MW-06BR
MW-13BR
MW-14BR
MW-15
MW-11BR
TABLE 6-2
CHEMICAL PROPERTIES OF SOIL
ROXBORO STEAM ELECTRIC PLANT
DUKE ENERGY PROGRESS, LLC, SEMORA, NC
P:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\CSA Update Oct 2017\FINAL PDF\Tables\Tables\TABLE 6-2 Chemical Soil Properties Page 7 of 10
Aluminum Antimony Arsenic Barium Beryllium Boron Cadmium Calcium Chloride Chromium Cobalt Copper Iron Lead Magnesium Manganese Mercury Molybdenum Nickel Nitrate
(as N)Potassium Selenium Sodium Strontium Sulfate Thallium Vanadium Zinc
ug/l ug/l ug/l ug/l ug/l ug/l ug/l mg/l mg/l ug/l ug/l mg/l ug/l ug/l mg/l ug/l ug/l ug/l ug/l mg/l mg/l ug/l mg/l mg/l mg/l ug/l ug/l mg/l
LEACHING PROPERTIES
Borehole/
Sample ID Depth (FEET BGS)Classification
1 2 Soil --------------------------------------------------------
5 6 Soil --------------------------------------------------------
9.5 11.5 Soil 12100 <0.5 <0.5 413 0.25 28.8 <0.08 4.52 <6.4 5.6 14.7 94.4 12100 8.7 5.71 307 <0.2 <0.5 6.7 <0.26 2.07 <0.5 4.52 59.3 4.7 <0.1 60.4 95.5
--15 17 PWR --------------------------------------------------------
MW-05BR DUP 5 6 Soil --------------------------------------------------------
0 2 Soil --------------------------------------------------------
5 7 Soil 26400 <2.5 1.4 j 393 2.2 40.6 <0.4 6.49 <5.5 32.8 14 25.9 28400 13 8.18 949 <0.6 <2.5 19.7 0.26 1.2 <2.5 2.78 80.6 4 <0.5 124 129
8 10 Soil --------------------------------------------------------
MW-07 0 2 Soil --------------------------------------------------------
0 2 Soil --------------------------------------------------------
14 16 Soil 29900 <0.5 1.4 351 1 16 <0.08 2.83 <5.3 7.1 17.9 15.8 41500 11.3 4.9 1690 <0.2 0.26 j 11.8 <0.21 1.81 0.31 j 3.84 50.9 2.8 0.056 j 97.6 129
21 23 Soil --------------------------------------------------------
26 31 Soil - PWR --------------------------------------------------------
MW-09 0 2 Soil --------------------------------------------------------
MW-10BR 0 2 Soil --------------------------------------------------------
1.5 2 Soil --------------------------------------------------------
18.75 19.5 Soil --------------------------------------------------------
19.0 19.5 Soil 11600 <0.5 <0.5 240 0.21 10.2 <0.08 4.68 <5 17.6 20.2 82.7 17600 1.6 8.15 660 <0.6 <0.5 18.5 0.33 2.55 <0.5 2.72 42.8 2.8 <0.1 57.4 53
MW-12 0 2 Soil --------------------------------------------------------
0 2 Soil --------------------------------------------------------
22 24 Soil --------------------------------------------------------
1 1.25 Soil --------------------------------------------------------
31 31.5 Soil --------------------------------------------------------
37 38 Soil 10400 <0.5 0.53 304 <0.2 48 <0.08 3.36 2.8 j 7.3 12.9 18.3 12700 1.5 6.8 584 <0.2 <0.5 9.2 0.36 3.38 <0.5 11.4 47.6 2.9 <0.1 42.5 46.5
37.5 38 Soil --------------------------------------------------------
0 2 Soil --------------------------------------------------------
24 31 Soil - Rock --------------------------------------------------------
31 33 Soil 26400 <0.5 0.22 j 214 0.11 j 29.1 0.046 j 6.58 <6.2 63.7 38.2 157 58600 1.2 21 945 <0.2 0.41 j 185 0.26 0.524 <0.5 2.53 32.4 3.8 0.023 j 27.8 94.9
34 35 Soil --------------------------------------------------------
0 2 Soil --------------------------------------------------------
36 38 Soil 7540 <0.5 0.28 j 245 0.25 34.7 0.032 j 2.87 <6.3 1.3 5.9 31.7 9850 1.5 2.13 237 <0.2 0.7 1.7 <0.25 1.4 <0.5 4.63 31.6 4.2 <0.1 22.4 53.7
5 7 Soil --------------------------------------------------------
29 31 Soil --------------------------------------------------------
0 2 Soil --------------------------------------------------------
8 10 Soil --------------------------------------------------------
31 33 Soil 36400 <0.5 1.5 447 1.2 79.5 0.2 3.23 <6 9.2 5.4 18 26000 7.9 3.32 1660 <0.2 7.8 7.1 0.47 7.17 0.46 j 7.49 58.3 3.2 0.15 20.8 155
28 30 Soil --------------------------------------------------------
37 38 Soil --------------------------------------------------------
SB-31 0.5 1 Soil --------------------------------------------------------
CF-01 ----Sediment 11800 <2.5 D3 24.2 D3 91 1.2 D3 432 D3,L1,B <0.4 D3 2.4 11.3 22.5 D3,B 30.6 D3 27 D3 13200 24.8 D3 0.93 210 <0.2 NA 7.7 <0.29 <5 3.9 D3 28.3 L1,B 23 20.6 B <0.5 D3 125 D3 <50
CF-03 ----Sediment 7200 3.1 D3 23.5 D3 110 <0.5 D3 <250 D3,L1 <0.4 D3 7.3 <20.3 5.5 D3,B 5.5 D3 16 D3 9200 6 D3 1.9 530 <0.2 NA 15 <0.81 <5 4 D3 7.1 L1,B 78 157 <0.5 D3 47.1 D3 <50
CF-05 ----Sediment 10400 4 D3 28.9 D3 60 0.67 D3 <250 D3,L1 <0.4 D3 1.1 <9 8 D3,B 3.8 D3 9 D3 9500 11.6 D3 <0.5 82 <0.2 NA 6.3 <0.36 <5 4.7 D3 7.7 L1,B 13 29.9 B <0.5 D3 58.9 D3 <50
CL-02 ----Sediment <100 22.7 70.4 130 <0.1 240 <0.08 5.2 <5 2 <0.5 <1 <50 <0.5 1.1 50 <0.2 55.5 <5 <0.2 B <5 41.4 <5 260 5.5 B <0.1 126 160
CL-04 ----Sediment 1900 2.9 22.2 79 0.7 310 <0.08 2.6 18.7 13.9 5.5 16.2 1400 5.9 1.1 300 <0.2 9.5 <5 <0.37 B <5 12.5 6.4 43 19.9 B 0.59 43.7 300
CL-06 ----Sediment 7900 2.9 24 72 0.7 <200 <0.08 2 13.1 12.7 5.1 14.6 5700 5.5 1 310 <0.2 11 <5 <0.29 B <5 14.3 <5 45 15.7 B 0.61 42 120
CL-07 ----Sediment 10200 2.5 38 100 1 230 0.26 3.5 22.2 21.2 13.3 30.7 9400 12.1 1.8 720 <0.2 13.4 9.1 <0.27 B <5 22.8 5.3 45 17.8 B 0.33 79.5 180
CV-01 ----Sediment 7600 <0.5 1.6 <50 0.79 <200 <0.08 2.2 44.5 35.3 15.3 21.8 7300 6.3 1.6 590 <0.2 1.3 5.4 0.27 B <5 2.1 <5 17 7.2 B <0.1 89.5 200
CV-02 ----Sediment 260 M1 0.51 1.8 170 M1 <0.1 220 M1 <0.08 24.5 M1 <5 0.68 1.4 1.6 140 M1 <0.5 3.5 M1 4400 M1 <0.2 6.7 <5 M1 <0.2 B <5 M1 1.3 <5 M1 270 M1 77.3 B <0.1 2.1 190 M1
EF-01 ----Sediment 9300 3.9 D3 27.6 D3 120 0.76 D3 <250 D3,L1 <0.4 D3 6.9 <16.6 9 D3,B 9.2 D3 21.5 D3 11200 8.5 D3 2 540 <0.2 NA 21 <0.67 <5 4.5 D3 <5 L3 77 122 0.78 D3 71.8 D3 <50
EF-03 ----Sediment 6700 <2.5 D3 7.4 D3 60 <0.5 D3 <250 D3,L1 <0.4 D3 3.2 <8.1 5 D3,B 5 D3 6.7 D3 9000 3.2 D3 1.4 240 <0.2 NA 7.7 <0.32 <5 <2.5 D3 <5 L3 36 29 B <0.5 D3 25.2 D3 <50
NL-04 ----Sediment <100 0.88 227 140 <0.1 <200 <0.08 37 <5 <0.5 0.56 <1 260 <0.5 3.3 5600 <0.2 302 <5 <0.2 B <5 6.3 <5 360 12.4 B <0.1 1.7 93
NL-08 ----Sediment 220 0.69 6.1 210 <0.1 270 <0.08 11.6 <5 <0.5 5 <1 80 <0.5 3.1 7400 <0.2 19.2 <5 <0.2 B <5 1.8 5.3 200 65.7 B <0.1 0.67 180
SL-08 ----Sediment 440 0.71 1.6 220 0.13 250 0.12 15.1 <5 0.96 7.5 <1 290 <0.5 4.3 6400 <0.2 2.3 5.5 <0.2 B <5 1.9 <5 270 76.1 B 0.11 0.91 210
WF-01 ----Sediment 26400 97 D3 99.2 D3 150 101 D3 326 D3,L1,B 97.7 D3 2.6 <8.1 101 D3 99.1 D3 104 D3 24400 104 D3 2.2 630 <0.2 NA 13 <0.32 <5 97.6 D3 <5 L3 51 25.9 B 103 D3 99.8 D3 <50
WF-03 ----Sediment 21200 <2.5 D3 9.3 D3 120 0.68 D3 <250 D3,L1 <0.4 D3 1.4 9.2 6.8 D3,B 12.2 D3 8.4 D3 20000 10.4 D3 1.1 280 <0.2 NA 14 <0.27 <5 3 D3 5.5 L1,B 19 11.2 B <0.5 D3 35.9 D3 <50
Prepared by: ARL Checked by: LWD
Notes:
-- No data available BGS - Below ground surface mg/kg - Milligrams per kilogram NLI - Non-linear isotherm S.U. - Standard Unit
% - percent DUP - Duplicate mg/L - Milligrams per liter ppm - part per million ug/L - Micrograms per liter
°C - Degrees Celsius mL/g - Milliliters per gram NA - Not analyzed REP = Replicate
< - concentration not detected at or above the adjusted reporting limit.
Only Kd values for constituents present in the test solution are presented in the table above.
B - Target analyte detected in method blank at or above the reporting limit. Target analyte concentration in sample is less than 10X the concentration in the method blank. Analyte concentration in sample could be due to blank contamination.
D3 - Sample was diluted due to the presence of high levels of non-target analytes or other matrix interference.
H3 - Sample was received or analysis requested beyond the recognized method holding time.
j - Estimated concentration above the adjusted method detection limit and below the adjusted reporting limit.
Kd values presented were taken from the Langley et al. (2015) sorption report.
L1 - Analyte recovery in the laboratory control sample (LCS) was above quality control (QC) limits. Results may be biased high.
L3 - Analyte recovery in the laboratory control sample (LCS) exceeded quality control (QC) limits. Analyte presence below reporting limits in associated samples. Results unaffected by high bias.
M - Matrix spike / matrix spike dup failure.
M1 - Matrix spike recovery was high: the associated Laboratory Control Spike (LCS) was acceptable.
M6 - Matrix spike and Matrix spike duplicate recovery not evaluated against control limits due to sample dilution.
N2 - The lab does not hold accreditation for this parameter.
R1 - Relative Percent Difference (RPD) value was outside control limits.
MW-08
MW-17
MW-16
MW-18
MW-11BR
MW-06BR
MW-13BR
MW-14BR
MW-15
MW-05BR
TABLE 6-2
CHEMICAL PROPERTIES OF SOIL
ROXBORO STEAM ELECTRIC PLANT
DUKE ENERGY PROGRESS, LLC, SEMORA, NC
P:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\CSA Update Oct 2017\FINAL PDF\Tables\Tables\TABLE 6-2 Chemical Soil Properties Page 8 of 10
Al2O3 BaO CaO Cr2O3 Fe2O3 K2O MgO MnO Na2O P2O5 SiO2 SrO TiO2 V2O5 LOI As Cd Ce Co Cu Ga La Mo Ni Pb Sb Se Sn W Zn Zr
%%%%%%%%%%%%%%%ppm ppm ppm ppm ppm ppm ppm ppm ppm ppm ppm ppm ppm ppm ppm ppm
WHOLE ROCK ELEMENTAL ANALYSIS
Borehole/
Sample ID Depth (FEET BGS)Classification
WHOLE ROCK METAL OXIDE ANALYSIS
1 2 Soil --------------------------------------------------------------
5 6 Soil --------------------------------------------------------------
9.5 11.5 Soil --------------------------------------------------------------
--15 17 PWR --------------------------------------------------------------
MW-05BR DUP 5 6 Soil --------------------------------------------------------------
0 2 Soil --------------------------------------------------------------
5 7 Soil --------------------------------------------------------------
8 10 Soil --------------------------------------------------------------
MW-07 0 2 Soil --------------------------------------------------------------
0 2 Soil --------------------------------------------------------------
14 16 Soil --------------------------------------------------------------
21 23 Soil --------------------------------------------------------------
26 31 Soil - PWR --------------------------------------------------------------
MW-09 0 2 Soil --------------------------------------------------------------
MW-10BR 0 2 Soil --------------------------------------------------------------
1.5 2 Soil --------------------------------------------------------------
18.75 19.5 Soil --------------------------------------------------------------
19.0 19.5 Soil --------------------------------------------------------------
MW-12 0 2 Soil --------------------------------------------------------------
0 2 Soil --------------------------------------------------------------
22 24 Soil --------------------------------------------------------------
1 1.25 Soil --------------------------------------------------------------
31 31.5 Soil --------------------------------------------------------------
37 38 Soil --------------------------------------------------------------
37.5 38 Soil --------------------------------------------------------------
0 2 Soil --------------------------------------------------------------
24 31 Soil - Rock --------------------------------------------------------------
31 33 Soil --------------------------------------------------------------
34 35 Soil --------------------------------------------------------------
0 2 Soil --------------------------------------------------------------
36 38 Soil --------------------------------------------------------------
5 7 Soil --------------------------------------------------------------
29 31 Soil --------------------------------------------------------------
0 2 Soil --------------------------------------------------------------
8 10 Soil --------------------------------------------------------------
31 33 Soil --------------------------------------------------------------
28 30 Soil --------------------------------------------------------------
37 38 Soil --------------------------------------------------------------
SB-31 0.5 1 Soil --------------------------------------------------------------
CF-01 ----Sediment --------------------------------------------------------------
CF-03 ----Sediment --------------------------------------------------------------
CF-05 ----Sediment --------------------------------------------------------------
CL-02 ----Sediment --------------------------------------------------------------
CL-04 ----Sediment --------------------------------------------------------------
CL-06 ----Sediment --------------------------------------------------------------
CL-07 ----Sediment --------------------------------------------------------------
CV-01 ----Sediment --------------------------------------------------------------
CV-02 ----Sediment --------------------------------------------------------------
EF-01 ----Sediment --------------------------------------------------------------
EF-03 ----Sediment --------------------------------------------------------------
NL-04 ----Sediment --------------------------------------------------------------
NL-08 ----Sediment --------------------------------------------------------------
SL-08 ----Sediment --------------------------------------------------------------
WF-01 ----Sediment --------------------------------------------------------------
WF-03 ----Sediment --------------------------------------------------------------
Prepared by: ARL Checked by: LWD
Notes:
-- No data available BGS - Below ground surface mg/kg - Milligrams per kilogram NLI - Non-linear isotherm S.U. - Standard Unit
% - percent DUP - Duplicate mg/L - Milligrams per liter ppm - part per million ug/L - Micrograms per liter
°C - Degrees Celsius mL/g - Milliliters per gram NA - Not analyzed REP = Replicate
< - concentration not detected at or above the adjusted reporting limit.
Only Kd values for constituents present in the test solution are presented in the table above.
B - Target analyte detected in method blank at or above the reporting limit. Target analyte concentration in sample is less than 10X the concentration in the method blank. Analyte concentration in sample could be due to blank contamination.
D3 - Sample was diluted due to the presence of high levels of non-target analytes or other matrix interference.
H3 - Sample was received or analysis requested beyond the recognized method holding time.
j - Estimated concentration above the adjusted method detection limit and below the adjusted reporting limit.
Kd values presented were taken from the Langley et al. (2015) sorption report.
L1 - Analyte recovery in the laboratory control sample (LCS) was above quality control (QC) limits. Results may be biased high.
L3 - Analyte recovery in the laboratory control sample (LCS) exceeded quality control (QC) limits. Analyte presence below reporting limits in associated samples. Results unaffected by high bias.
M - Matrix spike / matrix spike dup failure.
M1 - Matrix spike recovery was high: the associated Laboratory Control Spike (LCS) was acceptable.
M6 - Matrix spike and Matrix spike duplicate recovery not evaluated against control limits due to sample dilution.
N2 - The lab does not hold accreditation for this parameter.
R1 - Relative Percent Difference (RPD) value was outside control limits.
MW-18
MW-08
MW-17
MW-05BR
MW-06BR
MW-11BR
MW-13BR
MW-14BR
MW-15
MW-16
TABLE 6-2
CHEMICAL PROPERTIES OF SOIL
ROXBORO STEAM ELECTRIC PLANT
DUKE ENERGY PROGRESS, LLC, SEMORA, NC
P:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\CSA Update Oct 2017\FINAL PDF\Tables\Tables\TABLE 6-2 Chemical Soil Properties Page 9 of 10
Antimony
(mL/g)
Arsenic
(mL/g)
Boron
(mL/g)
Chromium
(mL/g)Cobalt (mL/g)Selenium
(mL/g)
Thallium
(mL/g)
Antimony
(mL/g)Arsenic (mL/g)Boron
(mL/g)
Chromium
(mL/g)
Cobalt
(mL/g)
Selenium
(mL/g)
Thallium
(mL/g)
Antimony
(mL/g)Arsenic (mL/g)Boron
(mL/g)Chromium (mL/g)Cobalt
(mL/g)
Selenium
(mL/g)
Thallium
(mL/g)
Batch Study - Trial 1 Batch Study - Trial 2 Column Study - Trial ABorehole/
Sample ID Depth (FEET BGS)Classification
SORPTION
1 2 Soil ------------------------------------------
5 6 Soil ------------------------------------------
9.5 11.5 Soil ------------------------------------------
--15 17 PWR 21.2 43.1 NLI 312.8 901.6 6.5 803.3 19.1 45.7 NLI 276.2 744 --701.2 75 85 --275 525 55 525
MW-05BR DUP 5 6 Soil ------------------------------------------
0 2 Soil ------------------------------------------
5 7 Soil ------------------------------------------
8 10 Soil ------------------------------------------
MW-07 0 2 Soil ------------------------------------------
0 2 Soil ------------------------------------------
14 16 Soil ------------------------------------------
21 23 Soil ------------------------------------------
26 31 Soil - PWR NLI 32.6 NLI 114.8 782 5.4 840.2 NLI 31.2 NLI 102.3 482.9 4.7 586.4 60 25 --75 330 15 400
MW-09 0 2 Soil ------------------------------------------
MW-10BR 0 2 Soil ------------------------------------------
1.5 2 Soil ------------------------------------------
18.75 19.5 Soil ------------------------------------------
19.0 19.5 Soil ------------------------------------------
MW-12 0 2 Soil ------------------------------------------
0 2 Soil ------------------------------------------
22 24 Soil ------------------------------------------
1 1.25 Soil ------------------------------------------
31 31.5 Soil ------------------------------------------
37 38 Soil ------------------------------------------
37.5 38 Soil ------------------------------------------
0 2 Soil ------------------------------------------
24 31 Soil - Rock 14.3 25.7 NLI NLI 1696.5 8.3 1214.1 15.5 28.9 NLI NLI 1966.5 9.8 1373.7 75 60 --275 500 50 500
31 33 Soil ------------------------------------------
34 35 Soil ------------------------------------------
0 2 Soil ------------------------------------------
36 38 Soil ------------------------------------------
5 7 Soil 41.9 27.5 NLI 15.3 NLI 16.3 NLI 41.1 23.9 NLI 15.3 NLI 13.1 NLI 60 18 --90 280 20 325
29 31 Soil NLI 52.9 NLI 167.1 1951.2 7.1 746.3 NLI 54.6 NLI 187.3 2011.7 7.5 747.5 60 35 --60 360 20 475
0 2 Soil ------------------------------------------
8 10 Soil --44.9 NLI --NLI 13.7 --8.8 34 NLI 54.2 NLI --868.5 60 25 --70 170 15 450
31 33 Soil ------------------------------------------
28 30 Soil --39.3 NLI 424.7 2256.3 9.3 1697.1 9 35.9 NLI 410.1 2090.8 7.7 1647 50 30 --125 375 20 450
37 38 Soil ------------------------------------------
SB-31 0.5 1 Soil ------------------------------------------
CF-01 ----Sediment ------------------------------------------
CF-03 ----Sediment ------------------------------------------
CF-05 ----Sediment ------------------------------------------
CL-02 ----Sediment ------------------------------------------
CL-04 ----Sediment ------------------------------------------
CL-06 ----Sediment ------------------------------------------
CL-07 ----Sediment ------------------------------------------
CV-01 ----Sediment ------------------------------------------
CV-02 ----Sediment ------------------------------------------
EF-01 ----Sediment ------------------------------------------
EF-03 ----Sediment ------------------------------------------
NL-04 ----Sediment ------------------------------------------
NL-08 ----Sediment ------------------------------------------
SL-08 ----Sediment ------------------------------------------
WF-01 ----Sediment ------------------------------------------
WF-03 ----Sediment ------------------------------------------
Prepared by: ARL Checked by: LWD
Notes:
-- No data available BGS - Below ground surface mg/kg - Milligrams per kilogram NLI - Non-linear isotherm S.U. - Standard Unit
% - percent DUP - Duplicate mg/L - Milligrams per liter ppm - part per million ug/L - Micrograms per liter
°C - Degrees Celsius mL/g - Milliliters per gram NA - Not analyzed REP = Replicate
< - concentration not detected at or above the adjusted reporting limit.
Only Kd values for constituents present in the test solution are presented in the table above.
B - Target analyte detected in method blank at or above the reporting limit. Target analyte concentration in sample is less than 10X the concentration in the method blank. Analyte concentration in sample could be due to blank contamination.
D3 - Sample was diluted due to the presence of high levels of non-target analytes or other matrix interference.
H3 - Sample was received or analysis requested beyond the recognized method holding time.
j - Estimated concentration above the adjusted method detection limit and below the adjusted reporting limit.
Kd values presented were taken from the Langley et al. (2015) sorption report.
L1 - Analyte recovery in the laboratory control sample (LCS) was above quality control (QC) limits. Results may be biased high.
L3 - Analyte recovery in the laboratory control sample (LCS) exceeded quality control (QC) limits. Analyte presence below reporting limits in associated samples. Results unaffected by high bias.
M - Matrix spike / matrix spike dup failure.
M1 - Matrix spike recovery was high: the associated Laboratory Control Spike (LCS) was acceptable.
M6 - Matrix spike and Matrix spike duplicate recovery not evaluated against control limits due to sample dilution.
N2 - The lab does not hold accreditation for this parameter.
R1 - Relative Percent Difference (RPD) value was outside control limits.
MW-16
MW-14BR
MW-15
MW-17
MW-18
MW-05BR
MW-06BR
MW-08
MW-11BR
MW-13BR
TABLE 6-2
CHEMICAL PROPERTIES OF SOIL
ROXBORO STEAM ELECTRIC PLANT
DUKE ENERGY PROGRESS, LLC, SEMORA, NC
P:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\CSA Update Oct 2017\FINAL PDF\Tables\Tables\TABLE 6-2 Chemical Soil Properties Page 10 of 10
Antimony (mL/g)Arsenic
(mL/g)
Boron
(mL/g)Chromium (mL/g)Cobalt (mL/g)Selenium (mL/g)Thallium (mL/g)Antimony
(mL/g)
Arsenic
(mL/g)
Boron
(mL/g)
Chromium
(mL/g)
Cobalt
(mL/g)
Selenium
(mL/g)
Thallium
(mL/g)
Column Study - Trial B Column Study - Trial CBorehole/
Sample ID ClassificationDepth (FEET BGS)
SORPTION CONTINUED
1 2 Soil ----------------------------
5 6 Soil ----------------------------
9.5 11.5 Soil ----------------------------
--15 17 PWR ----------------------------
MW-05BR DUP 5 6 Soil ----------------------------
0 2 Soil ----------------------------
5 7 Soil ----------------------------
8 10 Soil ----------------------------
MW-07 0 2 Soil ----------------------------
0 2 Soil ----------------------------
14 16 Soil ----------------------------
21 23 Soil ----------------------------
26 31 Soil - PWR ----------------------------
MW-09 0 2 Soil ----------------------------
MW-10BR 0 2 Soil ----------------------------
1.5 2 Soil ----------------------------
18.75 19.5 Soil ----------------------------
19.0 19.5 Soil ----------------------------
MW-12 0 2 Soil ----------------------------
0 2 Soil ----------------------------
22 24 Soil ----------------------------
1 1.25 Soil ----------------------------
31 31.5 Soil ----------------------------
37 38 Soil ----------------------------
37.5 38 Soil ----------------------------
0 2 Soil ----------------------------
24 31 Soil - Rock ----------------------------
31 33 Soil ----------------------------
34 35 Soil ----------------------------
0 2 Soil ----------------------------
36 38 Soil ----------------------------
5 7 Soil ----------------------------
29 31 Soil 60 25 --90 375 10 525 75 40 --100 375 30 500
0 2 Soil ----------------------------
8 10 Soil ----------------------------
31 33 Soil ----------------------------
28 30 Soil ----------------------------
37 38 Soil ----------------------------
SB-31 0.5 1 Soil ----------------------------
CF-01 ----Sediment ----------------------------
CF-03 ----Sediment ----------------------------
CF-05 ----Sediment ----------------------------
CL-02 ----Sediment ----------------------------
CL-04 ----Sediment ----------------------------
CL-06 ----Sediment ----------------------------
CL-07 ----Sediment ----------------------------
CV-01 ----Sediment ----------------------------
CV-02 ----Sediment ----------------------------
EF-01 ----Sediment ----------------------------
EF-03 ----Sediment ----------------------------
NL-04 ----Sediment ----------------------------
NL-08 ----Sediment ----------------------------
SL-08 ----Sediment ----------------------------
WF-01 ----Sediment ----------------------------
WF-03 ----Sediment ----------------------------
Prepared by: ARL Checked by: LWD Prepared by: ARL Checked by: LWD
Notes:
-- No data available BGS - Below ground surface mg/kg - Milligrams per kilogram NLI - Non-linear isotherm S.U. - Standard Unit
% - percent DUP - Duplicate mg/L - Milligrams per liter ppm - part per million ug/L - Micrograms per liter
°C - Degrees Celsius mL/g - Milliliters per gram NA - Not analyzed REP = Replicate
< - concentration not detected at or above the adjusted reporting limit.
Only Kd values for constituents present in the test solution are presented in the table above.
B - Target analyte detected in method blank at or above the reporting limit. Target analyte concentration in sample is less than 10X the concentration in the method blank. Analyte concentration in sample could be due to blank contamination.
D3 - Sample was diluted due to the presence of high levels of non-target analytes or other matrix interference.
H3 - Sample was received or analysis requested beyond the recognized method holding time.
j - Estimated concentration above the adjusted method detection limit and below the adjusted reporting limit.
Kd values presented were taken from the Langley et al. (2015) sorption report.
L1 - Analyte recovery in the laboratory control sample (LCS) was above quality control (QC) limits. Results may be biased high.
L3 - Analyte recovery in the laboratory control sample (LCS) exceeded quality control (QC) limits. Analyte presence below reporting limits in associated samples. Results unaffected by high bias.
M - Matrix spike / matrix spike dup failure.
M1 - Matrix spike recovery was high: the associated Laboratory Control Spike (LCS) was acceptable.
M6 - Matrix spike and Matrix spike duplicate recovery not evaluated against control limits due to sample dilution.
N2 - The lab does not hold accreditation for this parameter.
R1 - Relative Percent Difference (RPD) value was outside control limits.
MW-16
MW-14BR
MW-15
MW-17
MW-18
MW-05BR
MW-06BR
MW-08
MW-11BR
MW-13BR
TABLE 6-3
SOIL, SEDIMENT, AND ASH ANALYTICAL METHODS
ROXBORO STEAM ELECTRIC PLANT
DUKE ENERGY PROGRESS, LLC, SEMORA, NC
P:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\CSA Update Oct 2017\FINAL PDF\Tables\Tables\
Table 6-3 Soil, Sediment and Ash Analytical Methods Page 1 of 1
INORGANIC COMPOUNDS UNITS METHOD
Aluminum mg/kg EPA 6010D
Antimony mg/kg EPA 6020B
Arsenic mg/kg EPA 6020A
Barium mg/kg EPA 6010C
Beryllium mg/kg EPA 6020B
Boron mg/kg EPA 6010C
Cadmium mg/kg EPA 6020A
Calcium mg/kg EPA 6010C
Chloride mg/kg EPA 9056A
Chromium mg/kg EPA 6010C
Cobalt mg/kg EPA 6020A
Copper mg/kg EPA 6010C
Iron mg/kg EPA 6010C
Lead mg/kg EPA 6020A
Magnesium mg/kg EPA 6010C
Manganese mg/kg EPA 6010C
Mercury mg/kg EPA Method 7471B
Molybdenum mg/kg EPA 6010C
Nickel mg/kg EPA 6010C
Nitrate as Nitrogen mg/kg EPA 9056A
pH SU EPA 9045D
Potassium mg/kg EPA 6010C
Selenium mg/kg EPA 6020A
Sodium mg/kg EPA 6010C
Strontium mg/kg EPA 6010C
Sulfate mg/kg EPA 9056A
Thallium (low level) (SPLP Extract only)mg/kg EPA 6020A
Total Organic Carbon mg/kg EPA 9060
Vanadium mg/kg EPA 6020A
Zinc mg/kg EPA 6010C
Sediment Specific Samples
Cation exchange capacity meg/100g LONR 29-B
Particle size distribution %
Percent solids %
Percent organic matter %EPA/600/R-02/069
Redox potential mV Faulkner et al. 1898;
HACH Method 10228
Notes:
1. Soil samples to be analyzed for Total Inorganics using USEPA Methods 6010/6020 and pH using USEPA Method 9045, as noted
b2. Ash samples to be analyzed for Total Inorganics using USEPA Methods 6010/6020 and pH using USEPA Method 9045; select ash
samples will also be analyzed for leaching potential using SPLP Extraction Method 1312 in conjunction with USEPA Methods
6010/6020.
Prepared by: RBI Checked by: TCP
Revised by: EMB Rechecked by: JAW
3. Analytical methods and reporting limits as presented were applicable at time of CSA field implementation in 2015. Analytical
methods and reporting limits are updated periodically and applied as appropriate.
TABLE 6-4
ASH PORE WATER, GROUNDWATER, SURFACE WATER, AND AREA OF WETNESS
ANALYTICAL METHODS
ROXBORO STEAM ELECTRIC PLANT
DUKE ENERGY PROGRESS, LLC, SEMORA NC
P:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\CSA Update Oct 2017\FINAL PDF\Tables\Tables\
Table 6-4 Analytical Method - Aqueous Page 1 of 1
Parameter Reporting Limits Units Method
pH NA SU Field Water Quality Meter
Specific Conductance NA µS/cm Field Water Quality Meter
Temperature NA ºC Field Water Quality Meter
Dissolved Oxygen NA mg/L Field Water Quality Meter
Oxidation Reduction Potential NA mV Field Water Quality Meter
Turbidity NA NTU Field Water Quality Meter
Ferrous Iron NA mg/L Field Test Kit
Aluminum 0.005 mg/L EPA 200.7 or 6010D
Antimony 0.001 mg/L EPA 200.8 or 6020B
Arsenic 0.001 mg/L EPA 200.8 or 6020A
Barium 0.005 mg/L EPA 200.7 or 6010C
Beryllium 0.001 mg/L EPA 200.8 or 6020A
Boron 0.05 mg/L EPA 200.7 or 6010C
Cadmium 0.001 mg/L EPA 200.8 or 6020A
Chromium 0.001 mg/L EPA 200.8 or 6010C
Cobalt 0.001 mg/L EPA 200.8 or 6020A
Copper 0.001 mg/L EPA 200.8 or 6020B
Iron 0.01 mg/L EPA 200.7 or 6010C
Lead 0.001 mg/L EPA 200.8 or 6020A
Manganese 0.005 mg/L EPA 200.7 or 6010C
Mercury (low level)0.5 ng/L EPA 1631
Molybdenum 0.001 mg/L EPA 200.8 or 6020B
Nickel 0.001 mg/L EPA 200.8 or 6020B
Selenium 0.001 mg/L EPA 200.8 or 6020A
Strontium 0.005 mg/L EPA 200.7 or 6010C
Thallium (low level)0.0002 mg/L EPA 200.8 or 6020A
Vanadium (low level)0.0003 mg/L EPA 200.8 or 6020A
Zinc 0.005 mg/L EPA 200.7 or 6010C
Radium 226 1 pCi/L EPA 903.1 Modified
Radium 228 1 pCi/L EPA 904.0/SW846 9320 Modified
Uranium (233, 234, 236, 238)Varies by Isotope ug/mL SW846 3010A/6020A
Alkalinity (as CaCO3)5 mg/L SM 2320B
Bicarbonate 5 mg/L SM 2320
Calcium 0.01 mg/L EPA 200.7
Carbonate 5 mg/L SM 2320
Chloride 0.1 mg/L EPA 300.0 or 9056A
Magnesium 0.005 mg/L EPA 200.7
Methane 0.01 mg/L RSK 175
Nitrate as Nitrogen 0.023 mg-N/L EPA 300.0 or 9056A or 353.2 (RL
0.01 mgN/L)
Potassium 0.1 mg/L EPA 200.7
Sodium 0.05 mg/L EPA 200.7
Sulfate 0.1 mg/L EPA 300.0 or 9056A
Sulfide 0.01 mg/L SM4500S2-D
Total Dissolved Solids 25 mg/L SM 2540C
Total Organic Carbon 0.1 mg/L SM 5310C/EPA9060A
Total Suspended Solids 2.5 mg/L SM 2450D
Arsenic Speciation Vendor Specific mg/L IC-ICP-CRC-MS
Iron Speciation Vendor Specific mg/L IC-ICP-CRC-MS
Manganese Speciation Vendor Specific mg/L IC-ICP-CRC-MS
Prepared by: RBI Checked by: TCP
Revised by: EMB Rechecked by: JAW
2. Analytical methods and reporting limits as presented were applicable at time of CSA field implementation in 2015.
Analytical methods and reporting limits are updated periodically and applied as appropriate.
1. Select constituents will be analyzed for total and dissolved concentrations.
NA indicates not applicable.
Notes:
INORGANICS
FIELD PARAMETERS
ADDITIONAL GROUNDWATER CONSTITUENTS
ANIONS/CATIONS
RADIONUCLIDES
TABLE 6-5
HISTORICAL WATER LEVEL DATA
ROXBORO STEAM ELECTRIC PLANT
DUKE ENERGY PROGRESS, LLC, SEMORA, NC
P:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\CSA Update Oct 2017\FINAL PDF\Tables\Tables\TABLE 6-5 - Historical Water Level Data Page 1 of 2
Well ID
Top of Casing
Elevation
(Feet-NAVD 88)
Depth to Water
June 15,2015 (Feet,
Below TOC)
Groundwater Elevation
June 15, 2015
(Feet-NAVD 88)
Depth to Water
December 5, 2015
(Feet, Below TOC)
Groundwater Elevation
December 5, 2015
(Feet-NAVD 88)
Depth to Water
June 14, 2016
(Feet, Below TOC)
Groundwater Elevation
June 14, 2016
(Feet-NAVD 88)
Depth to Water
October 31, 2016
(Feet, Below TOC)
Groundwater Elevation
October 31, 2016
(Feet-NAVD 88)
Depth to Water
April 10, 2017
(Feet, Below TOC)
Groundwater Elevation
April 10,2017
(Feet-NAVD 88)
ABMW-01 470.58 ----6.70 463.88 6.84 463.74 7.05 463.53 7.60 462.98
ABMW-01BR 470.60 7.60 463.00 7.49 463.11 7.59 463.01 7.77 462.83 8.45 462.15
ABMW-02 471.73 8.89 462.84 8.56 463.17 9.05 462.68 8.63 463.10 10.71 461.02
ABMW-02BR 471.68 8.95 462.73 8.49 463.19 9.04 462.64 8.56 463.12 9.83 461.85
ABMW-03 471.75 7.41 464.34 6.57 465.18 7.05 464.70 7.11 464.64 7.72 464.03
ABMW-03BR 471.87 23.87 448.00 23.18 448.69 23.06 448.81 23.71 448.16 24.45 447.42
ABMW-03BRL 471.90 46.17 425.73 44.39 427.51 44.96 426.94
ABMW-04 500.14 31.30 468.84 31.04 469.10 30.43 469.71 31.36 468.78 31.58 468.56
ABMW-04BR 500.14 31.58 468.56 31.06 469.08 30.54 469.60 31.40 468.74 31.68 468.46
ABMW-05 480.03 12.69 467.34 12.38 467.65 11.98 468.05 12.70 467.33 12.90 467.13
ABMW-05D 479.98 45.14 434.84 44.55 435.43 45.18 434.80 45.31 434.67 46.09 433.89
ABMW-06 481.13 12.86 468.27 12.26 468.87 12.15 468.98 12.70 468.43 12.55 468.58
ABMW-06BR 481.19 12.83 468.36 12.23 468.96 12.15 469.04 12.74 468.45 12.60 468.59
ABMW-07 479.33 12.28 467.05 11.91 467.42 11.46 467.87 12.26 467.07 12.50 466.83
ABMW-07BR 479.29 15.09 464.20 14.90 464.39 14.35 464.94 15.24 464.05 15.57 463.72
ABMW-07BRL 480.43 22.56 457.87 23.32 457.11 23.76 456.67
BG-01 533.74 38.35 495.39 37.89 495.85 36.70 497.04 37.29 496.45 38.24 495.50
BG-01BR 534.68 39.75 494.93 40.46 494.22 38.12 496.56 38.77 495.91 39.70 494.98
BG-01BRL 519.99 58.35 461.64 108.51 411.48 40.05 479.94
BG-01BRLR 521.36 37.80 483.56
BG-01D 534.50 40.74 493.76 39.64 494.86 37.41 497.09 38.00 496.50 38.97 495.53
CW-01 508.24 22.08 486.16 23.50 484.74 20.36 487.88 22.74 485.50 23.28 484.96
CW-02 424.60 13.35 411.25 13.01 411.59 12.70 411.90 13.47 411.13 13.24 411.36
CW-02D 424.60 13.38 411.22 13.00 411.60 12.70 411.90 13.51 411.09 13.26 411.34
CW-03 451.79 4.85 446.94 4.79 447.00 5.10 446.69 5.44 446.35 5.12 446.67
CW-03D 451.61 2.36 449.25 1.49 450.12 1.78 449.83 2.74 448.87 1.57 450.04
CW-04 479.65 28.65 451.00 28.77 450.88 28.44 451.21 28.52 451.13 29.07 450.58
CW-05 459.74 10.17 449.57 9.50 450.24 8.69 451.05 10.99 448.75 9.65 450.09
GMW-01A 436.51 ----------------25.34 411.17
GMW-02 Unknown ----------------5.03 Unknown
GMW-06 478.36 21.37 456.99 21.20 457.16 20.62 457.74 22.37 455.99 22.20 456.16
GMW-07 499.60 26.34 473.26 23.53 476.07 23.48 476.12 27.78 471.82 27.08 472.52
GMW-08 528.55 44.85 483.70 46.40 482.15 45.38 483.17 45.41 483.14 46.20 482.35
GMW-09 536.52 22.49 514.03 22.94 513.58 20.45 516.07 22.15 514.37 23.54 512.98
GMW-10 494.41 26.59 467.82 28.47 465.94 26.05 468.36 29.07 465.34 29.85 464.56
GMW-11 496.55 18.11 478.44 18.31 478.24 15.11 481.44 17.22 479.33 17.23 479.32
GPMW-01BR 437.41 22.61 414.80
GPMW-01D 437.49 19.53 417.96
GPMW-01S 437.30 18.45 418.85
GPMW-02BR 436.48 24.65 411.83
GPMW-02D 436.31 23.45 412.86
GPMW-03BR 435.66 21.75 413.91
GPMW-03D 435.42 14.26 421.16
MW-01 422.45 ----10.88 411.57 ---------11.15 411.30
MW-01BR 507.86 28.77 479.09 29.85 478.01 27.49 480.37 29.79 478.07 28.57 479.29
MW-02 423.20 14.12 409.08 12.54 410.66 12.36 410.84 12.98 410.22 12.54 410.66
MW-02BR 493.79 15.35 478.44 14.92 478.87 12.76 481.03 16.40 477.39 16.95 476.84
MW-03BR 452.77 24.85 427.92 22.85 429.92 23.64 429.13 24.45 428.32 25.13 427.64
Not Installed
Not Installed
Not Installed
Not Installed
Not Installed
Not Installed
Not Installed
Not Installed
Not Installed
Not Installed
Not Installed
TABLE 6-5
HISTORICAL WATER LEVEL DATA
ROXBORO STEAM ELECTRIC PLANT
DUKE ENERGY PROGRESS, LLC, SEMORA, NC
P:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\CSA Update Oct 2017\FINAL PDF\Tables\Tables\TABLE 6-5 - Historical Water Level Data Page 2 of 2
Well ID
Top of Casing
Elevation
(Feet-NAVD 88)
Depth to Water
June 15,2015 (Feet,
Below TOC)
Groundwater Elevation
June 15, 2015
(Feet-NAVD 88)
Depth to Water
December 5, 2015
(Feet, Below TOC)
Groundwater Elevation
December 5, 2015
(Feet-NAVD 88)
Depth to Water
June 14, 2016
(Feet, Below TOC)
Groundwater Elevation
June 14, 2016
(Feet-NAVD 88)
Depth to Water
October 31, 2016
(Feet, Below TOC)
Groundwater Elevation
October 31, 2016
(Feet-NAVD 88)
Depth to Water
April 10, 2017
(Feet, Below TOC)
Groundwater Elevation
April 10,2017
(Feet-NAVD 88)
MW-04BR 502.46 46.04 456.42 46.48 455.98 46.32 456.14 45.91 456.55 47.24 455.22
MW-04BRL 502.62 35.62 467.00 43.33 459.29 42.31 460.31
MW-05BR 458.97 27.69 431.28 27.52 431.45 26.96 432.01 28.16 430.81 27.40 431.57
MW-05D 458.71 9.44 449.27 8.60 450.11 8.75 449.96 10.56 448.15 8.37 450.34
MW-06BR 417.73 7.34 410.39 6.75 410.98 6.94 410.79 7.43 410.30 7.17 410.56
MW-06D 417.71 6.42 411.29 5.52 412.19 6.38 411.33 6.03 411.68 5.80 411.91
MW-07BR 478.10 13.37 464.73 13.25 464.85 13.25 464.85 14.70 463.40 14.94 463.16
MW-08BR 482.75 40.50 442.25 41.16 441.59 39.52 443.23 39.37 443.38 40.78 441.97
MW-09BR 450.17 32.87 417.30 32.77 417.40 31.36 418.81 33.66 416.51 34.05 416.12
MW-10BR 553.88 27.73 526.15 23.63 530.25 22.10 531.78 23.10 530.78 23.41 530.47
MW-11BR 467.84 5.15 462.69 4.10 463.74 4.12 463.72 6.57 461.27 5.22 462.62
MW-11D 467.28 5.57 461.71
MW-12BR 456.45 3.84 452.61 4.71 451.74 2.72 453.73 3.78 452.67 4.30 452.15
MW-13BR 553.28 40.20 513.08 40.25 513.03 39.51 513.77 39.69 513.59 40.01 513.27
MW-14BR 513.34 48.62 464.72 50.32 463.02 46.15 467.19 47.40 465.94 48.39 464.95
MW-14D 513.36 48.65 464.71 50.00 463.36 45.94 467.42 47.10 466.26 48.03 465.33
MW-14S 513.39 Dry Dry Dry Dry 38.68 474.71 DRY Dry Dry Dry
MW-15BR 508.58 9.55 499.03 9.05 499.53 8.24 500.34 10.05 498.53 9.68 498.90
MW-15D 508.72 8.63 500.09 8.02 500.70 7.20 501.52 9.07 499.65 8.74 499.98
MW-16BR 520.81 30.38 490.43 31.59 489.22 29.33 491.48 30.87 489.94 31.33 489.48
MW-17BR 534.84 37.94 496.90 38.30 496.54 37.54 497.30 38.08 496.76 37.33 497.51
MW-18BR 532.94 46.21 486.73 47.52 485.42 44.99 487.95 45.63 487.31 46.48 486.46
MW-18D 532.96 45.73 487.23 47.28 485.68 44.84 488.12 45.31 487.65 46.17 486.79
MW-19BRL 564.32 37.78 526.54 38.58 525.74 38.64 525.68
MW-20BRL 487.11 Artisian >487.11 Artisian >487.11 Artisian >487.11
MW-21BRL 529.59 120.47 409.12 65.55 464.04 47.65 481.94
MW-22BR 474.00 16.38 457.62 18.01 455.99 19.05 454.95
MW-22BRL 474.08 69.02 405.06 76.72 397.36 35.79 438.29
MW-22D 474.05 16.35 457.70 17.72 456.33 18.98 455.07
MW-23BR 518.94 47.34 471.60 49.07 469.87 46.72 472.22
MW-23BRR 523.82 523.82 3.99 519.83
MW-24BR 527.07 39.91 487.16 40.57 486.50 40.03 487.04
MW-25BR 543.38 49.99 493.39 50.82 492.56 50.40 492.98
MW-26BR 521.29 36.89 484.40 38.16 483.13 37.97 483.32
MW-27BR 484.04 31.77 452.27
MW-28BR 477.03 60.13 416.90
MW-29BR 499.09 40.68 458.41
MW-30BR 523.95 63.68 460.27
MW-31BR 505.40 38.53 466.87
MW-32BR 512.04 40.81 471.23
MW-33BR 520.12 63.11 457.01
PZ-12 514.41 42.95 471.46 43.78 470.63 42.89 471.52 44.07 470.34 44.14 470.27
PZ-14 471.74 16.08 455.66 ----15.22 456.52 16.62 455.12 16.87 454.87
Prepared by: ARL Checked by: EMB
Notes:
> - concentration detected at or above the adjusted reporting limit.
-- No data available
NAVD 88 = North American Vertical Datum 1988
TOC = Top of casing
Not Installed
Not Installed
Not Installed
Not Installed
Not Installed
Not Installed
Not Installed
Not Installed
Not Installed
Not Installed
Not Installed
Not Installed
Not Installed
Not Installed
Not Installed
Not Installed
Not Installed
Not Installed
Not Installed
Not Installed

TABLE 6-6
HORIZONTAL GROUNDWATER GRADIENTS
ROXBORO STEAM ELECTRIC PLANT
DUKE ENERGY PROGRESS, LLC, SEMORA, NC
Direction Data Points Gradient
(ft per ft)
NE-SW MW-17BR to MW-3BR 0.015
NW-SE MW-15BR to MW-9BR 0.014
NW-SE ABMW-01 to MW-06BR 0.024
NW-SE MW-13BR to MW-6BR 0.018
NE-SW MW-19BRL to GPMW-2BR 0.021
NE-SW MW-24BR to GMW-6 0.007
NE-SW BG-1BR to MW-5BR 0.011
N-S MW-18BR to CW-2D 0.009
Prepared by: ARL Checked by: RAG
Notes:
Water level measurements used for these calculations were collected on April 10, 2017
ft = feet
Ash Basin Groundwater Gradients
Bedrock
Connectivity in fractured bedrock in the Piedmont is unknown, and thus unable to calculate horizontal
groundwater gradients within bedrock wells.
P:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\CSA Update Oct 2017\FINAL PDF\Tables\
TABLE 6-6 - Horizontal GW Gradients Page 1 of 1
TABLE 6-7
VERTICAL HYDRAULIC GRADIENTS
ROXBORO STEAM ELECTRIC PLANT
DUKE ENERGY PROGRESS, LLC, ROXBORO, NC
P:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\CSA Update Oct 2017\FINAL PDF\Tables\Tables\TABLE 6-7 - Vertical Gradients Page 1 of 1
Well IDs Vertical Hydraulic
Gradient (ft per ft)Flow Direction
ABMW-1 AND ABMW-1BR 0.018 Downward
ABMW-2 AND ABMW-2BR -0.010 Upward
ABMW-3 AND ABMW-3BR 0.358 Downward
ABMW-3BR AND ABMW-3BRL 0.109 Downward
ABMW-4 AND ABMW-4BR 0.002 Downward
ABMW-5 AND ABMW-5D 0.947 Downward
ABMW-6 AND ABMW-6BR -0.001 Upward
ABMW-7 AND ABMW-7BR 0.056 Downward
ABMW-7BR AND ABMW-7BRL 0.044 Downward
BG-1 AND BG-1BR 0.012 Downward
BG-1D AND BG-1BR 0.012 Downward
BG-1BRLR AND BG-1BRL 0.031 Downward
MW-4BR AND MW-4BRL -0.024 Upward
MW-5D AND MW-5BR 0.377 Downward
MW-6D AND MW-6BR 0.027 Downward
MW-14D AND MW-14BR 0.014 Downward
MW-15D AND MW-15BR 0.037 Downward
MW-18D AND MW-18BR 0.007 Downward
GMW-9 AND MW-21BRL 0.004 Downward
MW-22D AND MW-22BR 0.003 Downward
MW-22BR AND MW-22BRL 0.072 Downward
CW-2 and CW-2D 0.002 Downward
CW-3 and CW-3D -0.091 Upward
GPMW-1S AND GMPW-1D 0.030 Downward
GPMW-1D AND GMPW-1BR 0.064 Downward
GPMW-2D AND GPMW-2BR 0.019 Downward
GPMW-3D AND GPMW-3BR 0.097 Downward
Prepared by: ARL Checked by: ENK
Notes:
ft = feet
Vertical gradient calculations based on on April 10, 2017 water level data collected within 24 hours
Ash Basin Wells
Perimeter and Background Wells
TABLE 6-8
IN-SITU HYDRAULIC CONDUCTIVITY RESULTS
ROXBORO STEAM ELECTRIC PLANT
DUKE ENERGY PROGRESS, LLC,
SEMORA, NC
Measured Geometric
Mean Measured Geometric
Mean
ABMW-1 Slug Out Test 1 4.19E-05 4.19E-05 1.19E-01 1.19E-01
ABMW-2 Slug Out Test 1 3.10E-05 3.10E-05 8.79E-02 8.79E-02
ABMW-3 Slug Out Test 1 5.87E-04 5.87E-04 1.66E+00 1.66E+00
ABMW-4 Slug Out Test 1 1.44E-04 1.44E-04 4.07E-01 4.07E-01
Test 1 1.07E-01 3.02E+02
Test 2 1.07E-01 3.02E+02
Test 3 9.74E-02 2.76E+02
Test 1 1.41E-04 4.01E-01
Test 2 1.29E-04 3.66E-01
Test 1 6.55E-05 1.86E-01
Test 2 1.16E-04 3.29E-01
Test 3 1.25E-04 3.53E-01
Test 1 1.11E-03 3.15E+00
Test 3 1.29E-03 3.64E+00
Test 4 1.28E-03 3.64E+00
Test 1 1.65E-03 4.67E+00
Test 4 1.38E-03 3.91E+00
7.57E-04 2.14E+00
1.07E-01 3.02E+02
3.10E-05 8.79E-02
Ash Basin
Well ID Slug Test
Number
Hydraulic Conductivity
(cm/sec)
Hydraulic Conductivity
(ft/day)Slug Test
1.03E-01
3.16E-01
2.93E+02ABMW-5* Slug Out
Slug Out
Slug In
ABMW-6 1.12E-04
GEOMETRIC MEAN
3.77E+00ABMW-7
Slug In
Slug Out
1.33E-03
HIGHEST CONDUCTIVITY
LOWEST CONDUCTIVITY
P:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\CSA Update Oct 2017\FINAL PDF\Tables\Tables\TABLE 6-8 In-Situ Hydraulic Conductivity.xlsx
Summary Results by Unit Page 1 of 5
TABLE 6-8
IN-SITU HYDRAULIC CONDUCTIVITY RESULTS
ROXBORO STEAM ELECTRIC PLANT
DUKE ENERGY PROGRESS, LLC,
SEMORA, NC
Measured Geometric
Mean Measured Geometric
Mean
GPMW-1S Slug Out Test 1 1.06E-05 1.06E-05 3.00E-02 3.00E-02
Test 1 2.50E-01 7.09E+02
Test 2 2.25E-01 6.39E+02
8.42E-03 2.39E+01
2.50E-01 7.09E+02
1.06E-05 3.00E-02
Measured Geometric
Mean Measured Average
Test 1 1.23E-03 3.49E+00
Test 2 1.01E-03 2.87E+00
Test 1 2.27E-01 6.44E+02
Test 2 2.74E-01 7.76E+02
GPMW-1D Slug Out Test 1 2.81E-05 2.81E-05 7.96E-02 7.96E-02
Test 1 3.30E-04 9.36E-01
Test 2 2.73E-05 7.72E-02
GPMW-3D Slug Out Test 1 3.45E-05 3.45E-05 9.77E-02 9.77E-02
MW-05D Slug Out Test 1 1.97E-05 1.97E-05 5.59E-02 5.59E-02
MW-06D Slug Out Test 1 1.97E-04 1.97E-04 5.58E-01 5.58E-01
MW-15D Slug Out Test 1 1.51E-04 1.51E-04 4.29E-01 4.29E-01
MW-18D Slug Out Test 1 4.44E-05 4.44E-05 1.26E-01 1.26E-01
MW-11D** Slug Out Test 1 6.21E-06 6.21E-06 1.76E-02 1.76E-02
Test 1 1.66E-04 4.70E-01
Test 2 1.66E-04 4.70E-01
2.70E-04 7.66E-01
2.74E-01 7.76E+02
6.21E-06 1.76E-02
2.69E-019.49E-05Slug-OutGPMW-2D
Hydraulic Conductivity
(cm/sec)
Hydraulic Conductivity
(ft/day)
Well ID Slug Test
Slug Test
Number
Transition Zone
ABMW-5D Slug Out
Slug OutGMW-6**
1.12E-03
2.49E-01
3.16E+00
7.07E+02
GEOMETRIC MEAN
MW-22D Slug-Out 1.66E-04 4.70E-01
HIGHEST CONDUCTIVITY
LOWEST CONDUCTIVITY
Saprolite
GEOMETRIC MEAN
HIGHEST CONDUCTIVITY
Hydraulic Conductivity
(ft/day)
MW-2** Slug-Out 2.37E-01 6.73E+02
LOWEST CONDUCTIVITY
Well ID Slug Test
Slug Test
Number
Hydraulic Conductivity
(cm/sec)
P:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\CSA Update Oct 2017\FINAL PDF\Tables\Tables\TABLE 6-8 In-Situ Hydraulic Conductivity.xlsx
Summary Results by Unit Page 2 of 5
TABLE 6-8
IN-SITU HYDRAULIC CONDUCTIVITY RESULTS
ROXBORO STEAM ELECTRIC PLANT
DUKE ENERGY PROGRESS, LLC,
SEMORA, NC
Well ID Slug Test
Slug Test
Number
Measured Geometric
Mean Measured Average
ABMW-1BR PK-SI Test 1 2.98E-03 2.98E-03 8.45E+00 8.45E+00
Test 1 3.33E-03 9.43E+00
Test 2 3.38E-03 9.58E+00
Test 3 3.38E-03 9.57E+00
ABMW-3BR Slug-Out Test 1 2.74E-04 2.74E-04 7.75E-01 7.75E-01
ABMW-3BRL Slug-Out Test 1 2.67E-06 2.67E-06 7.57E-03 7.57E-03
ABMW-4BR Slug-Out Test 1 4.02E-05 4.02E-05 1.14E-01 1.14E-01
Test 2 1.35E-03 3.82E+00
Test 3 1.32E-03 3.73E+00
Test 1 1.39E-03 3.93E+00
Test 3 1.55E-03 4.39E+00
Test 4 1.56E-03 4.41E+00
Test 5 1.68E-03 4.77E+00
Test 6 1.72E-03 4.88E+00
Test 1 1.10E-03 3.11E+00
Test 2 1.26E-03 3.58E+00
ABMW-7BRL Slug-Out Test 1 1.20E-05 1.20E-05 3.39E-02 3.39E-02
BG-1BR Slug-Out Test 1 1.65E-04 1.65E-04 4.66E-01 4.66E-01
BG-1BRLR Slug-Out Test 1 3.57E-04 3.57E-04 1.01E+00 1.01E+00
BG-2BR Slug-Out Test 1 3.48E-06 3.48E-06 9.86E-03 9.86E-03
GPMW-1BR Slug-Out Test 2 7.40E-05 7.40E-05 2.10E-01 2.10E-01
Slug In Test 1 7.62E-02 2.16E+02
Slug Out Test 1 5.12E-02 1.45E+02
GPMW-3BR Slug-Out Test 1 6.61E-06 6.61E-06 1.87E-02 1.87E-02
MW-1BR Slug-Out Test 1 9.91E-06 9.91E-06 2.81E-02 2.81E-02
Slug In Test 1 1.40E-05 3.96E-02
Slug Out Test 1 2.87E-06 8.13E-03
MW-3BR Slug-Out Test 1 4.49E-05 4.49E-05 1.27E-01 1.27E-01
MW-4BR Slug-Out Test 1 1.37E-06 1.37E-06 3.87E-03 3.87E-03
MW-5BR Slug-Out Test 1 4.22E-06 4.22E-06 1.19E-02 1.19E-02
1.77E+02
Slug-Out 3.34E+00
Slug In
1.50E-03 4.25E+00
Bedrock
ABMW-2BR Slug-Out 3.36E-03 9.53E+00
Hydraulic Conductivity
(cm/sec)
Hydraulic Conductivity
(ft/day)
Slug Out
ABMW-6BR
6.33E-06 1.80E-02MW-2BR
ABMW-7BR 1.18E-03
GPMW-2BR* 6.25E-02
P:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\CSA Update Oct 2017\FINAL PDF\Tables\Tables\TABLE 6-8 In-Situ Hydraulic Conductivity.xlsx
Summary Results by Unit Page 3 of 5
TABLE 6-8
IN-SITU HYDRAULIC CONDUCTIVITY RESULTS
ROXBORO STEAM ELECTRIC PLANT
DUKE ENERGY PROGRESS, LLC,
SEMORA, NC
Well ID Slug Test
Slug Test
Number
Measured Geometric
Mean Measured Average
Test 2 1.46E-03 4.15E+00
Test 3 1.46E-03 4.14E+00
MW-7BR Slug-Out Test 1 3.66E-06 3.66E-06 1.04E-02 1.04E-02
Test 1 5.45E-03 1.54E+01
Test 2 5.77E-03 1.64E+01
Test 1 8.47E-03 2.40E+01
Test 2 5.65E-03 1.60E+01
MW-9BR Slug-Out Test 1 1.92E-04 1.92E-04 5.43E-01 5.43E-01
MW-10BR Slug-Out Test 1 4.86E-04 4.86E-04 1.38E+00 1.38E+00
Slug-In Test 1 3.64E-05 1.03E-01
Test 1 1.55E-05 4.40E-02
Test 2 2.53E-05 7.17E-02
Test 1 1.32E-03 3.73E+00
Test 2 1.29E-03 3.67E+00
Test 3 1.29E-03 3.65E+00
Test 1 1.15E-03 3.27E+00
Test 2 1.02E-03 2.88E+00
Test 1 1.20E-03 3.39E+00
Test 2 1.07E-03 3.02E+00
MW-14BR Slug-Out Test 1 1.88E-04 1.88E-04 5.33E-01 5.33E-01
MW-15BR Slug-Out Test 1 7.46E-06 7.46E-06 2.11E-02 2.11E-02
MW-16BR Slug-Out Test 1 8.89E-03 8.89E-03 2.52E+01 2.52E+01
MW-17BR Slug-Out Test 1 2.24E-05 2.24E-05 6.34E-02 6.34E-02
MW-18BR Slug-Out Test 2 1.11E-03 1.11E-03 3.14E+00 3.14E+00
Test 1 5.29E-03 1.50E+01
Test 2 4.95E-03 1.40E+01
Test 2 4.72E-03 1.34E+01
Test 3 4.70E-03 1.33E+01
MW-22BR Slug-Out Test 1 5.03E-06 5.03E-06 1.43E-02 1.43E-02
Slug Out 5.12E-03 1.45E+01
MW-20BRL***Slug-Out 4.71E-03 1.34E+01
MW-19BRL
MW-11BR Slug Out 2.43E-05 6.88E-02
1.30E-03 3.68E+00Slug OutMW-12BR
MW-13BR
Slug In
Slug Out
1.10E-03 3.13E+00
MW-8BR
PK-SO
PK-SI
6.23E-03 1.77E+01
Bedrock
Hydraulic Conductivity
(cm/sec)
Hydraulic Conductivity
(ft/day)
1.46E-03Slug OutMW-6BR 4.14E+00
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Summary Results by Unit Page 4 of 5
TABLE 6-8
IN-SITU HYDRAULIC CONDUCTIVITY RESULTS
ROXBORO STEAM ELECTRIC PLANT
DUKE ENERGY PROGRESS, LLC,
SEMORA, NC
Well ID Slug Test
Slug Test
Number
Measured Geometric
Mean Measured Average
Test 1 2.04E-04 5.77E-01
Test 2 2.08E-04 5.91E-01
MW-24BR Slug-Out Test 1 1.82E-05 1.82E-05 5.16E-02 5.16E-02
Early Match 1.61E-05 4.55E-02
Late Match 4.52E-05 1.28E-01
MW-26BR Slug-Out Test 1 2.61E-05 2.61E-05 7.39E-02 7.39E-02
Test 1 2.51E-04 7.11E-01
Test 2 2.69E-04 7.63E-01
Slug-Out Test 1 5.67E-06 1.61E-02
Slug-Out Test 2 1.04E-05 2.96E-02
Test 1 2.53E-02 7.17E+01
Test 2 2.45E-02 6.96E+01
MW-31BR Slug-Out Test 1 6.77E-05 6.77E-05 1.92E-01 1.92E-01
MW-32BR Slug-Out Test 1 2.27E-05 2.27E-05 6.42E-02 6.42E-02
Test 1
(fracture 1)3.30E-06 9.36E-03
Test 1
(fracture 2)2.12E-06 6.01E-03
2.32E-04 6.57E-01
7.62E-02 2.16E+02
8.32E-07 2.36E-03
Prepared by: RAG & CHB Checked by: HJF & RAG
Notes:
= slug tests conducted after 2015 CSA
Slug tests were analyzed using the Hvorslev mathmatical model, unless where indicated.
* = Springer-Gelhar analysis was used due to an inertial effect in an unconfined formation.
** = KGS analysis was used
*** = Artesian well conditions, Butler analytical method used.
**** = two fracture systems were reconized during evaluation and analyzed individually
PK-SI - Packer Test, Slug-In
PK-SO - Packer Test, Slug Out
MW-29BR 7.69E-06 2.18E-02
MW-30BR* Slug Out 2.49E-02 7.06E+01
MW-33BR**** 2.65E-06 7.50E-03Slug-Out
7.64E-022.70E-05Slug OutMW-25BR
MW-27BR Slug Out 2.60E-04 7.37E-01
MW-28BR Slug-Out Test 1 8.32E-07 2.36E-03 NANA
MW-23BRR Slug Out 2.06E-04 5.84E-01
GEOMETRIC MEAN
HIGHEST CONDUCTIVITY
LOWEST CONDUCTIVITY
Bedrock
Hydraulic Conductivity
(cm/sec)
Hydraulic Conductivity
(ft/day)
P:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\CSA Update Oct 2017\FINAL PDF\Tables\Tables\TABLE 6-8 In-Situ Hydraulic Conductivity.xlsx
Summary Results by Unit Page 5 of 5
TABLE 6-9
VERTICAL HYDRAULIC CONDUCTIVITY OF UNDISTURBED SOIL SAMPLES
ROXBORO STEAM ELECTRIC PLANT
DUKE ENERGY PROGRESS, LLC, SEMORA, NC
From To
AB-04 51.0 53.0 8.0 x 10-8 Grey and brown fine-
medium sandy clay
Representative
fly ash
MW-15 11.0 13.0 1.7 x 10-7 Grey and brown fine
sandy elastic silt
Background
Soil/Saprolite
Upgraidient of
Ash Basin
MW-15 22.0 24.0 1.4 x 10-5 Grey and brown silty
fine-medium sand
Background
Saprolite
Upgraidient of
Ash Basin
AB-04 28.0 30.0 3.3 x 10-4 Black silty fine sand
Road base of
crushed rock and
fly ash
AB-03 9.0 11.00 2.2 x 10-7
Brownish Grey
Cleyey Fine-Medium
Sand
Soil/saprolite at
ash native
material contact
ABMW-01 83 85 2.4 x 10-7 Dark Grey Fine
Sandy Silt
Residual soil and
transition zone
below ash
Prepared by: ARL Checked by: KDF
cm = centimeter
sec = second
Comment
BGS = below ground surface
Sample ID
Depth
(feet BGS)Hydraulic
Conductivity
(cm/sec)
Sediment Type
Notes:
P:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\CSA Update Oct 2017\FINAL PDF\Tables\
TABLE 6-9 - Vertical Hydraulic Conductivity of Undisturbed Soil Samples Page 1 of 1
TABLE 7-1
BACKGROUND THRESHOLD VALUES FOR SOIL
ROXBORO STEAM ELECTRIC PLANT
DUKE ENERGY PROGRESS, LLC, SEMORA, NC
P:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\CSA Update Oct 2017\FINAL PDF\Tables\Tables\TABLE 7-1 - Soil BTVs_rev1 Page 1 of 1
Parameter Reporting Unit PSRG Protection of
Groundwater BTV
pH*S.U.NE 4.4 - 9.7
Aluminum mg/kg NE 34353
Antimony mg/kg 0.9 0.56
Arsenic mg/kg 5.8 1.56
Barium mg/kg 580 222
Beryllium mg/kg 63 0.801
Boron mg/kg 45 2.9
Cadmium mg/kg 3 0.024
Calcium mg/kg NE 3113
Chloride mg/kg NE 11.8
Chromium mg/kg 360,000 10.7
Cobalt mg/kg 0.9 11.3
Copper mg/kg 700 114
Iron mg/kg 150 27147
Lead mg/kg 270 6.89
Magnesium mg/kg NE 6490
Manganese mg/kg 65 532
Mercury mg/kg 1 0.084
Molybdenum mg/kg NE 2.8
Nickel mg/kg 130 6.87
Nitrate (as N)mg/kg NE 0.945
Potassium mg/kg NE 9465
Selenium mg/kg 2.1 1.63
Sodium mg/kg NE 456
Strontium mg/kg NE 39.2
Sulfate mg/kg NE 11
Thallium mg/kg 0.28 0.148
Vanadium mg/kg 6 68.7
Zinc mg/kg 1200 63.4
Notes:
Table taken from Provisional Background Threshold Value Report in Appendix H
* - Upper and lower threshold values calculated for parameter
mg/kg - milligrams per kilogram
NE - Not Established
S.U. - Standard Unit
Prepared by: JHG Checked by: MCM
TABLE 7-2SECONDARY SOURCE ASSESSMENT - SOIL ANALYTICAL RESULTSROXBORO STEAM ELECTRIC PLANTDUKE ENERGY PROGRESS, LLC, SEMORA, NCReporting Units mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kgPSRG Protection of Groundwater 0.9 5.8 580 63 45 3 NE NE 3.8 0.9 700 150 270 NE 65 1 NE 130 NE NE 2.1 NE NE NE 0.28 NE 6Provisional Background Threshold Values 0.56 1.56 222 0.801 2.9 0.024 3113 11.8 10.7 11.3 114 27147 6.89 6490 532 0.084 2.8 6.87 0.7 9465 1.63 456 39.2 11 0.148 NE 68.7Sample ID Location DescriptionAssociated BasinSample MediaDepth Interval (FEET BGS)Sample Collection DateAntimony Arsenic Barium Beryllium Boron Cadmium Calcium Chloride Chromium Cobalt Copper Iron Lead Magnesium Manganese Mercury Molybdenum NickelNitrate (as N)Potassium Selenium Sodium Strontium Sulfate ThalliumTotal Organic CarbonVanadiumAB-05 (58-60) In EB East Ash Basin Soil 58 - 60 03/17/2015 <3.7 2.6 j 192 0.25 <3.7 <0.454330<36618.5 1320.2 16000 2 j8470321 <0.011 0.68 j 17.6 <36.6 4490 <3.7 20043.5 246 j<3.7 579 j 50.8AB-05 (68-70) In EB East Ash Basin Soil 68 - 70 03/18/2015 <3.3 <3.3 52.4 0.14 <3.3 <0.4 1550 <318 4.2 5.7 17.7 6570 3.1 j 2450 127 <0.011 0.74 3.4 <31.8 773 <3.3 161 17.1280 j<3.3 1030 19.2AB-06 (56-58) In EB East Ash Basin Soil 56 - 58 03/10/2015 <3.848.3220 1.3 18.1 <0.45 1950 <366158.7 22.9 8000 11 863 42.7 0.06816.912.7 <36.6 159011.3274109 555<3.8 107000 42.2AB-06 (61-62) In EB East Ash Basin Soil 61 - 62 03/12/2015 <3 <3 58.4 0.15 <3 <0.35 376 <298 0.65 1.7 j 0.63 7390 1.8 j 2050 136 <0.0099 <0.59 0.48 <29.8 1200 <3 110 8.8 <298 <3 <717 6.1AB-06 (62-64) In EB East Ash Basin Soil 62 - 64 03/13/2015 <2.6 <2.6 57.5 0.12 5.9 <0.31 465 <264 2.7 1.7 j 2.6 6390 1.7 j 1800 130 <0.0086 0.32 j 0.98 <26.4 1350 <2.6 258 10.3 <264 <2.6 492 j 5.9AB-06 (65-67) In EB East Ash Basin Soil 65 - 67 03/13/2015 <2.5 <2.5 43.3 0.14 5.8 <0.3 1700 <256 10.6 5.1 15 6780 3.6 2860 137 <0.0086 <0.51 10.6 <25.6 336 <2.5 302 12.8 <256 <2.5 <621 12.3AB-07 (80-82) In EB East Ash Basin Soil 80 - 82 03/15/2015 <3.1 <3.1 78.3 0.27 9.6 <0.378040<292 4.4 10.6 36.8 11800 2.6 j 5060 87.5 <0.0094 <0.62 5.3 <29.2 722 <3.1 14940.7<292 <3.1 365 j 37.6MW-03BR (21-23) In gypsum storage area, in CB East Ash Basin Soil 21 - 23 05/13/2015 <5 <5 78.6 0.21 j <12.6 <0.617320<24746.6 12.549.9 16100 <58170211 <0.0081 <2.5 21.1 <24.7 1610 <554736.9 <247 <5 <614 43.7MW-11BR (18.75-19.5) North east of EB, in contractor lot East Ash Basin Soil 18.75 - 19.5 03/04/2015 <1.4 <1.4 158 0.1 11.3 <0.164330<32513 12.658.7 16600 <1.48760245 <0.011 <0.68 12.2 <32.5 4330 <1.4 282 16.3 <325 <1.4 <781 50.2MW-02BR (11-13) Between EB and WB, in CB West Ash Basin Soil 11 - 13 03/12/2015 <2.8 <2.8 258 0.33 <2.8 <0.34 2930 <274 5.113.850.4 18000 <2.89990225 <0.0091 <0.57 4.4 <27.4 7310 <2.8 405 15.1 <274 <2.8 <65788.9ABMW-01BR (83-85) In WB West Ash Basin Soil 83 - 85 04/29/2015 <6.1 <6.1 177 0.17 j <15.3 <0.73 1360 <297118 7.2 13800 <6.1 5340 232 <0.01 <3.1 5.9 <29.7 4490 <6.1 168 j 12 <297 <6.1 2210 31.5AB-02 (80-82) In WB West Ash Basin Soil 80 - 82 05/02/2015 <6.3 <6.3 94.3 0.38 11.7 j <0.76 1180 <30719.26 j 24 13300 <6.3 2320 182 <0.01 <3.1 6.6 <30.7 1240 <6.3 307 j 8.5 <307 <6.3 710 j 40.3AB-03 (8-10) In WB West Ash Basin Soil 8 - 10 04/27/2015 <7 <7 250 0.68 <17.5 <0.84 2510 <348 9.313.614.828600<78260316 0.021 <3.5 8.7 <34.8 3380 <7 <351 19.5342 j<7 157070.7AB-03 (12-14) In WB West Ash Basin Soil 12 - 14 04/27/2015 <6.5 <6.5 218 0.24 j <16.2 <0.783250<30125.7 15.544.6 21600 <6.57800414 <0.0094 <3.2 31.6 <30.1 2400 <6.5 <325 34.6422<6.5 <748 51.2MW-04 (23-25) Southwest of WB in CB West Ash Basin Soil 23 - 25 05/13/2015 <5.9 <5.9 64 <0.3 <14.9 <0.714720<30081.8 13.729.8 13800 <5.98160284 <0.01 <3 26.1 <30 833 <5.9 337 20 <300 <5.9 <743 29.4MW-04 (29-31) Southwest of WB in CB West Ash Basin Soil 29 - 31 05/11/2015 <6.5 <6.5 111 <0.33 <16.3 <0.785840<330 8.3 10.3 28.9 14900 <6.5 6320 156 <0.011 <3.3 8.3 <33 3660 <6.5 179 j 18.1 <330 <6.5 NA 40.5MW-05BR (5-6) North of WB, on CB West Ash Basin Soil 5 - 6 03/26/2015 <2.6 <2.6 66.1 0.11 <2.6 <0.324060<26732.9 16.643.2 8690 <2.6 6080 233 <0.0087 <0.53 34 <26.7 283 <2.6 299 31.9 <267 <2.6 <637 27.3MW-05BR (9.5-11.5) North of WB, on CB West Ash Basin Soil 9.5 - 11.5 03/26/2015 <3.2 <3.2 74.9 0.17 10.5 <0.384850<320 3.8 8.8 50.7 13400 <3.2 4420 137 <0.01 <0.63 8 <32 623 <3.2 440 25 <320 <3.2 <765 49.8MW-06BR (5-7) North of WB, on CB West Ash Basin Soil 5 - 7 04/01/2015 <2.7 <2.7 51.9 0.52 16.9 <0.333310<280 4.4 8 3.6 15800 3.6 4910 426 <0.0089 <2.7 9.4 <28 239 j <2.7 <273 29.9 <280 <2.7 411 j 37.7MW-06BR (8-10) North of WB, on CB West Ash Basin Soil 8 - 10 04/01/2015 <2.7 <2.7 45.7 0.5 23.4 <0.334940<27997.4 16.654.3 20200 2.1 j10600364 <0.009 <2.7 59.2 <27.9 240 j <2.7 <27269.5<279 <2.7 870 48.1MW-08 (14-16) West of WB, outside of CB West Ash Basin Soil 14 - 16 04/27/2015 <5.2 <5.2 49.3 0.23 j <13.1 <0.63 1830 <263 0.82 j 4.6 j 2.4 10200 <5.2 2910 222 <0.0086 <2.6 1.4 <26.3 836 <5.2 221 j 13.7 <263 <5.2 <643 21.6MW-08 (21-23) West of WB, outside of CB West Ash Basin Soil 21 - 23 04/27/2015 <5.7 <5.7 128 1.1 <14.2 <0.6811200<28317.4 15.30.78 j 20500 614300496 <0.0092 <2.8 34.7 <28.3 5680 <5.7 211 j97.2<283 <5.7 <685 43.1Prepared by: RKD Checked by: CDENotes: - PSRG - Protection of Groundwater - Provisional Background Threshold Values - Bold highlighted concentration indicates exceedance the 15A NCAC 02B/EPA Water Supply Criteria, 2016(NC), 2016(EPA).< - concentration not detected at or above the adjusted reporting limit.bgs = Below ground surfaceCB = EB = East Basinj - Estimated concentration above the adjusted method detection limit and below the adjusted reporting limit.mg/kg - Milligrams per kilogramNE - Not establishedWB = West BasinP:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\CSA Update Oct 2017\FINAL PDF\Tables\Tables\TABLE 7-2 - Secondary Soil Assessment.xlsxpage 1 of 1
TABLE 10-1
GROUNDWATER BACKGROUND THRESHOLD VALUES
ROXBORO STEAM ELECTRIC PLANT
DUKE ENERGY PROGRESS, LLC, SEMORA, NC
P:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\CSA Update Oct 2017\FINAL PDF\Tables\Tables\TABLE 10-1 - GW BG Threshold Values Page 1 of 1
Transition Zone Bedrock
pH*S.U.6.5-8.5 6.3 - 7.6 6.8 - 8.3
Alkalinity mg/L NE 244 317
Aluminum µg/L NE 1206 378
Antimony µg/L 1∆1 1
Arsenic µg/L 10 1 1
Barium µg/L 700 91 185
Beryllium µg/L 4∆1 1
Bicarbonate mg/L NE 244 317
Boron µg/L 700 50 50
Cadmium µg/L 2 1 1
Calcium mg/L NE 106 102
Carbonate mg/L NE 5 5
Chloride mg/L 250 150 120
Chromium (VI)µg/L 10 16.1 0.19
Chromium µg/L 10 24.1 3.61
Cobalt µg/L 1∆1 6.4
Copper µg/L 1000 10 1
Iron µg/L 300 1173 4227
Lead µg/L 15 1 1
Magnesium mg/L NE 42.3 31.5
Manganese µg/L 50 405 1198
Mercury µg/L 1 0.05 0.05
Methane µg/L NE 10 367
Molybdenum µg/L NE 4.17 35.2
Nickel µg/L 100 5.22 2.11
Nitrate + Nitrite mg-N/L NE 3.4 0.295
Potassium mg/L NE 4.69 9.28
Selenium µg/L 20 1.78 1
Sodium mg/L NE 36 37.6
Strontium µg/L NE 760 232
Sulfate mg/L 250 37 73.5
Sulfide mg/L NE 0.1 0.1
TDS mg/L 500 540 530
Thallium µg/L 0.2∆0.2 0.2
TOC mg/L NE 2.72 3.6
Vanadium µg/L 0.3∆30.2 2.49
Zinc µg/L 1000 12 7
Radium (Total)pCi/L NE 5.45 5.21
Uranium (Total)µg/mL NE 0.00516 0.00324
Notes:
Updated value based upon ongoing statistical evaluation since September 1, 2017 (Zimmerman To Draovitch; Appendix A).
Transition Zone background wells: BG-1, MW-15D, and MW-18D
Bedrock background wells: BG-1BR, MW-10BR, MW-14BR, MW-15BR, MW-18BR, and MW-19BRL
* - Upper and lower tolerance limits calculated for parameter
∆ - Interim Maximum Allowable Concentrations (IMACs) of 15A NCAC .02L Standard, Appendix 1, April 1, 2013
mg/L - milligrams per liter
mg - N/L - Milligrams nitrogen per liter
NE - Not Established
pCi/L - picocuries per liter
Radium (Total) - Radium-226 and Radium-228 combined
S.U. - Standard Unit
TDS - Total Dissolved Solids
TOC = Total Organic Carbon
Uranium (Total) - Uranium-233, Uranium-234, Uranium-236, and Uranium-238 combined
µg/L - micrograms per liter
µg/mL - micrograms per milliliter
Prepared by: JHG Checked by: MCM
Background Threshold Values
NCAC 02L StandardReporting UnitParameter
TABLE 10-2
GROUNDWATER CONSTITUENTS OF INTEREST
ROXBORO STEAM ELECTRIC PLANT
DUKE ENERGY PROGRESS, LLC, SEMORA, NC
P:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\CSA Update Oct 2017\FINAL PDF\Tables\Tables\TABLE 10-2 - GW Constituents of Interest Page 1 of 1
Transition Zone Bedrock
pH*S.U.6.5-8.5 6.3 - 7.6 6.8 - 8.3
Antimony µg/L 1∆1 1
Boron µg/L 700 50 50
Chromium (VI)µg/L 10 16.1 0.19
Chromium µg/L 10 24.1 3.61
Cobalt µg/L 1∆1 6.4
Iron µg/L 300 1173 4227
Manganese µg/L 50 405 1198
Molybdenum µg/L NE 4.17 35.2
Selenium µg/L 20 1.78 1
Strontium µg/L NE 760 232
Sulfate mg/L 250 37 73.5
TDS mg/L 500 540 530
Vanadium µg/L 0.3∆30.2 2.49
Uranium (Total)µg/L NE 0.00516 0.00324
Notes:
Table taken from Provisional Background Threshold Value Report in appendices
Transition Zone background wells: BG-1, MW-15D, and MW-18D
Bedrock background wells: BG-1BR, MW-10BR, MW-14BR, MW-15BR, MW-18BR, and MW-19BRL
* - Upper and lower tolerance limits calculated for parameter
∆ - Interim Maximum Allowable Concentrations (IMACs) of 15A NCAC .02L Standard, Appendix 1, April 1, 2013
mg/L - milligrams per liter
NE - Not Established
S.U. - Standard Unit
TDS - Total Dissolved Solids
Uranium (Total) - Uranium-233, Uranium-234, Uranium-236, and Uranium-238 combined
µg/L - micrograms per liter
µg/mL - micrograms per milliliter
Prepared by: ARL Checked by: JLK
Background Threshold Values
NCAC 02L StandardReporting UnitParameter
TABLE 13-1
SUMMARY OF Kd VALUES FROM BATCH AND COLUMN STUDIES
ROXBORO STEAM ELECTRIC PLANT
DUKE ENERGY PROGRESS, LLC, SEMORA, NC
P:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\CSA Update Oct 2017\FINAL PDF\Tables\Tables\
Table 13-1 Summary of Kd values Page 1 of 1
Antimony Arsenic Boron Chromium Cobalt Selenium Thallium
Trial - 1 21 15 1.0 696 8924 3.0 1164
Trial - 2 22 20 2.0 830 IDNA 3.0 1348
Trial - 1 45 230 1.0 161 2009 36 360
Trial - 2 45 220 1.0 168 2137 32 389
Trial - 1 17 21 1.0 105 1278 5.0 13992
Trial - 2 18 22 1.0 107 889 5.0 IDNA
Trial - 1 12 43 IDNA 234 3298 4.0 1014
Trial - 2 12 42 1.0 225 2336 4.0 1103
Trial - 1 13 23 0.0 62 331 6.0 1699
Trial - 2 13 20 1.0 57 292 5.0 1647
Trial - 1 19 46 IDNA 313 902 6.0 840
Trial - 2 19 43 IDNA 276 744 5.0 586
Trial - 1 10 33 IDNA 115 778 5.0 840
Trial - 2 10 31 IDNA 102 480 5.0 586
Trial - 1 14 26 IDNA 82 1730 8.0 1213
Trial - 2 15 29 IDNA 81 2082 10.0 1374
Trial - 1 42 27 IDNA 15 1067 16 676
Trial - 2 41 24 IDNA 15 1508 13 705
Trial - 1 11 53 IDNA 167 2062 7.0 746
Trial - 2 11 55 1.0 187 2121 7.0 748
Trial - 1 9.0 45 1.0 59 450 14 967
Trial - 2 9.0 34 IDNA 54 432 9.0 868
Trial - 1 10 39 IDNA 425 2535 9.0 4767
Trial - 2 9.0 36 IDNA 410 2246 8.0 3349
16.0 36.7 0 132.5 1266.2 7.4 1121.0
13.5 33.5 1.0 138.0 1508.0 6.5 967.0
10.3 23.3 1.0 66.8 744.0 5.0 705.0
1 Trial Only 200 75 5.0 425 950 10 900
1 Trial Only 60 40 -70 180 25 190
1 Trial Only 75 60 5.0 325 825 40 925
1 Trial Only 75 105 -200 425 50 425
1 Trial Only 70 20 -25 270 11 500
1 Trial Only 75 85 -275 525 55 525
1 Trial Only 60 25 -75 330 15 400
1 Trial Only 75 60 -275 500 50 500
1 Trial Only 60 18 -90 280 20 325
Trial A 60 35 -60 360 20 475
Trial B 60 25 -90 375 10 525
Trial C 75 40 -100 375 30 500
1 Trial Only 60 25 -70 170 15 450
1 Trial Only 50 30 -125 375 20 450
71 40 5 119 379 22 474
65 38 5 95 375 20 488
60 25 -70 277.5 14 418.75
Notes: Prepared By: EMB Checked By: LWD
- = No Data
IDNA = isotherm data not available
Units reported in milliliters per gram (mL/g)
Zero values were replaced with 1x10-30 to allow for geometric mean calculations.
Only Kd values for constituents present in the test solution are presented in the table above.
Column Kd values are from the Soil Sorption Evaluation Report (Langley, W.G. & Oza, S., 18 Nov. 2015).
Lower Quartile (exclusive)
Batch sorption Kd values were taken from the linear isotherm (So = 0) values from the Addendum to Soil Sorption
Evaluation (Langley, W.G. & Dongwook, K., 2 Feb. 2016).
MW17 (29-31)
MW17 (29-31)
MW-18 (8-10)
MW-18 (28-30)
Geometric Mean
Median
MW17 (29-31)
Lower Quartile (exclusive)
Column Study
AB-7 (82-87)
ABMW-1BR (83-85)
MW-2BR (11-13)
MW-5BR (15-17)
MW-3 (19-21)
MW-3 (28-38)
MW-8 (26-31)
MW-15 (24-31)
MW-17 (5-7)
Median
MW-2BR (11-13)
MW-5BR (15-17)
MW-3 (19-21)
MW-3 (28-38)
MW-8 (26-31)
MW-15 (24-31)
MW-17 (5-7)
MW17 (29-31)
MW-18 (8-10)
MW-18 (28-30)
Geometric Mean
ABMW-1BR (83-85)
Batch Study
Sample Site and Depth (feet)
AB-7 (82-87)
TABLE 15-1
GROUNDWATER INTERIM MONITORING PROGRAM ANALYTICAL METHODS
ROXBORO STEAM ELECTRIC PLANT
DUKE ENERGY PROGRESS, LLC, SEMORA, NC
P:\Duke Energy Progress.1026\107. Roxboro Ash Basin GW Assessment Plan\CSA Update Oct 2017\FINAL PDF\Tables\Tables\TABLE 15-1 - Groundwater IMP Analytical Methods Page 1 of 1
PARAMETER RL UNITS METHOD
pH NA SU Field Water Quality Meter
Specific Conductance NA µS/cm Field Water Quality Meter
Temperature NA ºC Field Water Quality Meter
Dissolved Oxygen NA mg/L Field Water Quality Meter
Oxidation Reduction Potential NA mV Field Water Quality Meter
Eh NA mV Field Water Quality Meter
Turbidity NA NTU Field Water Quality Meter
Aluminum 0.005 mg/L EPA 200.7 or 6010D
Antimony 0.001 mg/L EPA 200.8 or 6020B
Arsenic 0.001 mg/L EPA 200.8 or 6020B
Barium 0.005 mg/L EPA 200.7 or 6010D
Beryllium 0.001 mg/L EPA 200.8 or 6020B
Boron 0.05 mg/L EPA 200.7 or 6010C
Cadmium 0.001 mg/L EPA 200.8 or 6020B
Chromium 0.001 mg/L EPA 200.8 or 6020B
Cobalt 0.001 mg/L EPA 200.8 or 6020B
Copper 0.001 mg/L EPA 200.8 or 6020B
Hexavalent Chromium 0.000025 mg/L EPA 218.7
Iron 0.01 mg/L EPA 200.7 or 6010D
Lead 0.001 mg/L EPA 200.8 or 6020B
Manganese 0.005 mg/L EPA 200.7 or 6010D
Mercury 0.00005 mg/L EPA 245.1 or 7470A
Molybdenum 0.001 mg/L EPA 200.8 or 6020B
Nickel 0.001 mg/L EPA 200.8 or 6020B
Selenium 0.001 mg/L EPA 200.8 or 6020B
Strontium 0.005 mg/L EPA 200.7 or 6010D
Thallium (low level)0.0002 mg/L EPA 200.8 or 6020B
Vanadium (low level)0.0003 mg/L EPA 200.8 or 6020B
Zinc 0.005 mg/L EPA 200.7 or 6010D
Radium 226 1 pCi/L EPA 903.1 Modified
Radium 228 1 pCi/L EPA 904.0/SW846 9320 Modified
Uranium (233, 234, 236, 238)Varies by isotope µg/mL SW846 3010A/6020B
Total Uranium NA µg/mL Calculated
Alkalinity (as CaCO3)5 mg/L SM 2320B
Bicarbonate 5 mg/L SM 2320B
Calcium 0.01 mg/L EPA 200.7
Carbonate 5 mg/L SM 2320B
Chloride 0.1 mg/L EPA 300.0 or 9056A
Magnesium 0.005 mg/L EPA 200.7 or 6010D
Potassium 0.1 mg/L EPA 200.7
Sodium 0.05 mg/L EPA 200.7
Sulfate 0.1 mg/L EPA 300.0 or 9056A
Sulfide 0.1 mg/L SM 4500 S2 D
Total Dissolved Solids 25 mg/L SM 2540C
Total Organic Carbon 0.1 mg/L SM5310C/EPA9060A
Total Suspended Solids 5 mg/L SM 2450D
Prepared by: HHS Checked by: MCM
Notes:
NA indicates not applicable.
°C - Degrees Celsius
mg/L - Milligrams per liter
mV - Millivolts
NTU - Nephelometric turbidity unit
pCi/L - picocuries per liter
RL = reporting limit
S.U. - Standard Unit
ug/mL - micrograms per milliliter
µS/cm = micro-Siemens per centimeter
FIELD PARAMETERS
INORGANICS
RADIONUCLIDES
ANIONS/CATIONS/OTHER
TABLE 15-2
INTERIM GROUNDWATER MONITORING PLAN SAMPLE LOCATIONS
ROXBORO STEAM ELECTRIC PLANT
DUKE ENERGY PROGRESS, LLC, SEMORA, NC
Well ID Radionuclides Well ID Radionuclides
ABMW-1 x MW-6D x
ABMW-1BR x MW-6BR x
ABMW-2 x MW-7BR
ABMW-2BR x MW-8BR
ABMW-3 MW-9BR x
ABMW-3BR MW-10BR x
ABMW-3BRL MW-11D³x
ABMW-4 x MW-11BR x
ABMW-4BR x MW-12BR
ABMW-5 x MW-13BR x
ABMW-5D x MW-14BR x
ABMW-6 MW-15D x
ABMW-6BR MW-15BR x
ABMW-7 MW-16BR x
ABMW-7BR MW-17BR x
ABMW7BRL MW-18BR x
BG-1 x MW-18D x
BG-1BR x MW-19BRL x
BG-1BRL¹MW-20BRL
BG-1BRLR²x MW-21BRL
BG-2BR³x MW-22D
CW-1 MW-22BR
CW-2 x MW-23BR¹
CW-2D x MW-23BRR²
CW-3 MW-24BR
CW-3D MW-25BR
CW-4 MW-26BR
CW-5 x MW-27BR³
GMW-6 x MW-28BR³
GMW-7 MW-29BR³
GMW-8 MW-30BR³
GMW-9 MW-31BR³
GMW-10 MW-32BR³
GMW-11 MW-33BR³
MW-1BR GPMW-1S³
MW-2 x GPMW-1D³
MW-2BR GPMW-1BR³
MW-3BR x GPMW-2D³
MW-4BR GPMW-2BR³
MW-4BRL GPMW-3D³
MW-5D x GPMW-3BR³
MW-5BR x Prepared by: ARL Checked by: CDE
¹ - Water level only
² - Replacement well
³ - Newly installed well
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TABLE 15-2 - Radionuclides and IMP Well List Page 1 of 1