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Home My WebLink AboutNC0003468_DRSS CSA Rpt Tables_20150814Page 1 of 1 Table 1-1. Comparison of Sampling Data to Federal and State Regulatory Standards Sample Media Regulatory Criteria Administrative Code/ Regulatory Citation Ash NC Industrial and Protection of Groundwater PSRGs NCDENR Division of Waste Management* Soil NC Industrial and Protection of Groundwater PSRGs NCDENR Division of Waste Management Partially Weathered Rock/Bedrock NC Industrial and Protection of Groundwater PSRGs NCDENR Division of Waste Management Groundwater NC Groundwater Quality Standards and IMAC** 15A NCAC 02L .0202 Porewater NC Groundwater Quality Standards 15A NCAC 02L .0202 Seeps NC Groundwater Quality Standards 15A NCAC 02L .0202 Surface Water NC Surface Water and Wetland Standards 15A NCAC 02B .0202 Notes: *Appendix #1 of 15A NCAC Subchapter 02L Classifications and Water Quality Standards Applicable to The Groundwaters of North Carolina, lists Interim Maximum Allowable Concentrations (IMACs). The IMACs were issued in 2010 and 2011, however NCDENR has not established a 2L standard for these constituents as described in 15A NCAC 02L.0202(c). For this reason, IMACs noted in this report are for reference only. ** Preliminary health-based soil remediation goals (PSRGs) have been adapted from the January 2015 USEPA Regional Screening Tables (RSL.) Page 1 of 1 Table 2-1. NPDES Groundwater Monitoring Requirements Well Nomenclature Constituents and Parameters Frequency Monitoring W ells: MW -20S, MW -20D MW -21S, MW -21D, MW -22S, MW -22D, MW -23D Antimony Chromium Nickel Thallium January, May and September Arsenic Copper Nitrate Water Level Barium Iron pH Zinc Boron Lead Selenium Cadmium Manganese Sulfate Chloride Mercury TDS Page 1 of 1 Table 2-2. Exceedances of 2L Standards at Compliance Wells (January 2011 – May 2015) Parameter Arsenic Boron Iron Manganese pH Antimony Sulfate TDS Units µg/L µg/L µg/L µg/L SU µg/L mg/L mg/L 2L Standard 10 700 300 50 6.5 - 8.5 1 250 500 Well ID Range of Exceedances MW -20S No Exceedances No Exceedances 2,350 – 3,190 789 – 945 5.8 – 6.2 1.04 No Exceedances No Exceedances MW -20D No Exceedances No Exceedances No Exceedances 489 – 531 No Exceedances No Exceedances No Exceedances No Exceedances MW -21S 18.5 – 44.7 No Exceedances No Exceedances 306 – 1,530 6.5 1.020 – 1.33 No Exceedances No Exceedances MW -21D No Exceedances No Exceedances 701 901 – 1,070 No Exceedances No Exceedances 270 – 350 643 – 770 MW -22S No Exceedances 829 – 903 7,250 – 19,400 559 – 924 No Exceedances No Exceedances No Exceedances No Exceedances MW -22D No Exceedances 711 – 793 342 – 1,010 54 – 261 No Exceedances 1.06 – 1.63 No Exceedances No Exceedances MW -23D No Exceedances No Exceedances 326 – 1,700 61 – 566 5.9 – 6.3 No Exceedances No Exceedances No Exceedances Page 1 of 1 Table 2-3. Summary of Onsite Environmental Incidents NCDENR Incident # Year Reported Location of Incident Impacted Media Brief Description Status 6233 1990 From past UST believed to be below old U1&2 precipitators Soil Soil contamination from past 550 gal gasoline UST leak. Minimal soil contamination, well sampled w/ no impacts. Closed. NFA letter received May 2006. 18348 1997 Near warehouse beyond Unit 3 where gasoline was dispensed Soil and groundwater LSA and CSA completed for 2000 gal gasoline UST that was closed. Land use restriction in Dec. 2005 and NFA letter received May 2006 87747 2006 From AST pipe near U3 warehouse area Soil Diesel, contaminated soil removed. No Further action (NFA) received May 2006. 95109 2010 Old fuel unloading area and original ASTs at footprint of current CC units Soil #2 fuel oil release from fuel unloading area system and buried piping. Significant soil excavated and disposed. Soil and Groundwater CSA completed. No groundwater impacts detected. Initial incident closure received Dec. 2013. 95109 2013 Near old CT units Soil Leaks from past buried piping (fuel oil) that served the CT units. Oil came from past fuel oil system associated with this Incident # and still tracked by DENR under this number. CT area largely and excavated/ remediated. Final report being prepared by S&ME for submittal to DENR. Further assessment actions are likely. Note: 1. Information regarding onsite environmental incidents provided by Duke Energy. Page 1 of 1 Table 3-1. Range (10th percentile – 90th percentile) in Bulk Composition of Fly Ash, Bottom Ash, Rock, and Soil (Source: EPRI 2009a) Table 4-1. Public and Private Water Supply Wells Within 0.5-Mile Radius of Dan River Steam Station Ash Basin Compliance Boundary Map ID #Public Water System Name Well Owner Property Address (well location) County Parcel ID Number Reported Use Approximate Distance from Ash Basin Compliance Boundary (ft) Direction from Ash Basin Well Depth (ft-bgs) Well Casing Depth (ft-bgs) Well Yield (gpm) Well Screen Interval (ft-bgs) 1 No data 329 Partners LLC 880 Town Creek Road, Eden, NC 27288 Rockingham 798916947057 Assumed domestic well 2,225 Southeast 575 575 No data No data 2 No data Christopher Ryan Barger 212 S. Edgewood Road, Eden, NC 27288 Rockingham 708016823927 Domestic well; drinking, swimming pool 2,400 North of ash basin primary cell No data No data No data No data 3 No data John T. and Alma Gardner 222 S. Edgewood Road, Eden, NC 27288 Rockingham 708016825806 Domestic spring; currently not in use 2,200 North of ash basin primary cell No data No data No data No data 4 No data Still Wind Farms LLC 388 River Ridge Rd, Eden, NC 287288 Rockingham 798915635341 Domestic well; drinking/livestock 2,450 Southwest of ash basin primary cell No data No data No data No data Notes: 1. Map ID #s correspond to Figures 4-1 and 4-2. 2. Owner and property address information for water supply wells obtained from the Rockingham County online database. 3. Distances between water supply wells and the ash basin compliance boundary are approximate. 4. (ft-bgs) indicates feet below ground surface. 5. (gpm) indicates gallons per minute. Reported Private Water Supply Wells Page 1 of 1 Page 1 of 1 Table 4-2. Property Owner Addresses Contiguous to the Ash Basin Waste Boundary Map ID # Parcel ID # Property Owner Property Address Street City State 1 709000014426 Hopkins LLC New St Eden NC 2 709000001784 Norfolk Southern Railway Co Knott St Eden NC 3 798908886870 Duke Power Company 900 S Edgewood Rd Eden NC Notes: 1. Property owner addresses obtained from the Rockingham County, NC GIS website. 2. Map ID #s correspond to Figure 4-6. Page 1 of 1 Table 6-1. Soil Mineralogy Results Boring ID Lab Performing Analysis Unique Lab Identifier Sample Depth (ft bgs) Soil Mineralogical Composition (wt %) Quartz Feldspars K- Feldspar Plagio -clase Muscovite/ Illite Kaolinite Chlorite Biotite Calcite Dolo- mite Hydroxy- apatite Amphibole Hornblende Pyrite Smectite / Chlorite Ilmenite Goethite Gypsum Amorphous Total AS-4D American Assay DR-01 22.0- 23.03 48.3 32.8 - - 13.2 - - - - - - - - - 5.7 - - - - 100 GWA- 11D American Assay DR-02 23.0- 25.0 37.4 16.4 - - 32.7 - - - - - - - - - 13.2 - - - - 99.7 MW - 308BR American Assay DR-03 37 22.5 24.5 - - 49.1 - 3 - - - - - - - - - - - - 99.1 GWA- 10D American Assay DR-04 28.0- 29.0 15.3 9.9 - - 74.3 - - - - - - - - - - - - - - 99.5 GWA-3S American Assay DR-05 25.0- 25.8 19.2 18.2 - - 62.7 - - - - - - - - - - - - - - 100.1 GWA- 12D American Assay DR-06 21.2 10.7 35.1 - - 37.2 0.6 3 8.9 0.9 - - 2.7 - - - - - - - 99.1 MW - 310BR American Assay DR-07 35.0- 37.0 29.5 15.2 - - 50.3 2.5 2.5 - - - - - - - - - - - - 100 AB-30BR PMET Inc. DR-09 32.0- 34.0 39.5 - 3.2 4.4 16.6 12.4 - - - 0.6 - - 0.6 - - 0.5 3.1 1 18.1 100 AB-10SL PMET Inc. DR-10 48.0- 50.0 37.8 - 3.3 7.3 12.3 12.2 - - - 0.6 - - 1.8 - - 0.7 2 0.5 21.5 100 GWA-1D PMET Inc. DR-11 102.0- 104.0 27.9 - - 7.3 16.8 - 14.9 - - - 4.7 - - 2.1 - - - - 26.3 100 GWA- 5BR PMET Inc. DR-13 11.0- 11.9 26.9 - 5.7 14.3 26.1 3.4 - - - 0.8 - - - - - - - - 22.8 100 AB-30D PMET Inc. DR-14 43.0- 44.1 51.4 - 3.2 7.4 10.1 6.8 - - - 0.9 - - 1.1 0.2 - 0.5 1.7 0.5 16.2 100 GWA-4D PMET Inc. DR-16 38 22.3 - 3.4 19.4 15.1 6.3 10.2 - - 0.8 - - - - - - - - 22.5 100 AB-30BR PMET Inc. DR-17 15.0- 17.0 40.2 - 4.2 3.3 16.5 9.7 - - - 0.3 - - - - - 0.7 3 - 22.1 100 GWA-1S PMET Inc. DR-18 42.0- 47.0 14.9 - 5.8 5.7 10.5 15.6 - - - - - - 8.3 0.5 - 0.7 1 - 28.8 91.8 Notes: 1. Further results will be available in forthcoming supplemental report. 2. Potassium Feldspar (‘K-Feldspar’) is a subclass of Alkali Feldspar. 3. Chemical composition of constituent minerals is as follows: Quartz – SiO2, Potassium Feldspar – (K,Na)[AlSi3O8], Plagioclase – Na[AlSi3O8]-Ca[Al2Si2O8], Muscovite – K2Al4[Si6Al2O20](OH,F)4, Illite – K1-1.5Al4[Si7-6.5Al1-1.5O20](OH)4, Kaolinite – Al4[Si4O10](OH)8, Chlorite – (Mg,Al,Fe)12[(Si,Al)8O20](OH)16, Biotite – K2(Mg,Fe+2)6-4(Fe+3,Al,Ti)0-2[Si6-5Al2-3O20](OH,F)4, Calcite – CaCO3, Dolomite – CaMg(Co3)2, Hydroxyapatite – Ca5(PO4)3OH, Hornblende – (Na,K)0-1Ca2(Mg, Fe+2,Fe+3,Al)5[Si6-7Al2-1O22](OH,F)2, Pyrite – FeS2, Smectite – (½Ca,Na)0.7(Al,Mg,Fe)4[(Si,Al)8O20](OH)4•nH2O, Ilmenite – FeTiO3, Goethite – α-FeO•OH, Gypsum – CaSO4•2H2O 4. ft bgs = feet below ground surface Page 1 of 1 Table 6-2. Soil Chemistry Results, Oxides Boring ID Lab Performing Analysis Unique Lab Identifier Sample Depth (ft bgs) Oxide Composition, Loss on Ignition, Carbon, and Sulfur (wt. %) Al2O3 BaO CaO Cr2O3 Fe2O3 K2O MgO MnO Na2O P2O5 SiO2 SrO TiO2 V2O5 LOI C S AS-4D American Assay DR-01 22.0-23.03 25.81 0.07 0.84 0.02 9.21 2.84 1.16 0.15 1.82 0.02 52.09 0.04 0.51 0.05 3.49 0.148 <0.005 GWA-11D American Assay DR-02 23.0-25.0 34.56 0.08 0.36 0.02 11.02 4.12 1.15 0.08 2.06 0.06 41.59 0.02 0.92 0.07 6.08 0.116 <0.005 MW -308-BR American Assay DR-03 37 13.12 0.07 1.65 <0.01 2.61 1.99 0.97 0.06 1.57 0.06 75.49 0.07 0.5 0.02 2.17 0.112 0.024 GWA-10D American Assay DR-04 28.0-29.0 18.79 0.12 0.94 0.01 5.84 2.44 1.08 0.06 1.11 0.08 63.36 0.04 0.82 0.03 5.26 0.079 0.045 GWA-3S American Assay DR-05 25.0-25.8 17.78 0.1 0.6 <0.01 5.77 1.99 1.05 0.12 1 0.07 65.24 0.03 0.82 0.03 6.25 0.185 <0.005 GWA-12D American Assay DR-06 21.2 16.21 0.17 2.47 0.01 6.41 2.48 2.67 0.12 1.74 0.23 63.99 0.04 0.92 0.03 4.41 0.313 0.013 MW -310 BR American Assay DR-07 35.0-37.0 18.93 0.11 0.63 0.01 5.77 2.42 1.11 0.06 0.85 0.08 61.5 0.03 0.83 0.03 6.7 0.371 <0.005 AB-30BR American Assay DR-09 32.0-34.0 - - - - - - - - - - - - - - - - - AB-10SL American Assay DR-10 48.0-50.0 - - - - - - - - - - - - - - - - - GWA-1D American Assay DR-11 102.0-104.0 - - - - - - - - - - - - - - - - - GWA-5BR American Assay DR-13 11.0-11.9 - - - - - - - - - - - - - - - - - AB-30D American Assay DR-14 43.0-44.1 - - - - - - - - - - - - - - - - - GWA-4D American Assay DR-16 38 - - - - - - - - - - - - - - - - - AB-30BR American Assay DR-17 15.0-17.0 - - - - - - - - - - - - - - - - - GWA-1S American Assay DR-18 42.0-47.0 - - - - - - - - - - - - - - - - - Notes: 1. Further results will be available in the CSA Supplement. 2. Ft bgs = feet below ground surface Page 1 of 1 Table 6-3. Soil Chemistry Results, Elemental Boring ID Unique Lab Identifier Lab Performing Analysis Sample Depth (ft bgs) Elemental Composition (ppm) As Cd Ce Co Cu Ga La Mo Ni Pb Sb Se Sn W Zn Zr AS-4D DR-01 American Assay 22.0-23.03 13 <0.2 122 20 19 14 53 2 34 27 1 <1 1 1 58 17 GWA-11D DR-02 American Assay 23.0-25.0 28 <0.2 115 18 32 13 56 1 22 20 1 <1 2 2 71 31 MW -308-BR DR-03 American Assay 37 6 <0.2 118 12 26 14 52 3 35 19 <1 <1 1 1 43 43 GWA-10D DR-04 American Assay 28.0-29.0 3 <0.2 154 21 36 24 68 1 35 26 2 <1 2 2 98 40 GWA-3S DR-05 American Assay 25.0-25.8 4 <0.2 159 31 45 22 52 6 45 27 <1 <1 2 <1 105 51 GWA-12D DR-06 American Assay 21.2 7 <0.2 130 26 52 21 57 3 51 20 <1 <1 3 1 106 59 MW -310 BR DR-07 American Assay 35.0-37.0 4 <0.2 133 24 49 26 59 1 41 24 2 <1 2 1 97 49 AB-30BR DR-09 American Assay 32.0-34.0 - - - - - - - - - - - - - - - - AB-10SL DR-10 American Assay 48.0-50.0 - - - - - - - - - - - - - - - - GWA-1D DR-11 American Assay 102.0-104.0 - - - - - - - - - - - - - - - - GWA-5BR DR-13 American Assay 11.0-11.9 - - - - - - - - - - - - - - - - AB-30D DR-14 American Assay 43.0-44.1 - - - - - - - - - - - - - - - - GWA-4D DR-16 American Assay 38 - - - - - - - - - - - - - - - - AB-30BR DR-17 American Assay 15.0-17.0 - - - - - - - - - - - - - - - - GWA-1S DR-18 American Assay 42.0-47.0 - - - - - - - - - - - - - - - - Notes: 1. Further results will be available in the CSA Supplement 2. ft bgs = feet below ground surface 3. Ppm = parts per million Page 1 of 1 Table 6-4. Transition Zone Mineralogy Results Boring ID Lab Performing Analysis Unique Lab Identifier Sample Depth (ft bgs) Mineralogical Composition (wt %) Quartz Feldspars Muscovite/ Illite Vermiculite/ Illite Kaolinite Chlorite Smectite Total MW -318BR Technology of Materials DR-20 45.0-46.0 75 10 5 1 2 5 3 101 AS-6D Technology of Materials DR-21 47.0-48.0 70 3 5 2 5 10 5 100 GWA-8D Technology of Materials DR-22 29.0-30.0 60 5 8 2 8 10 7 100 MW -314BR Technology of Materials DR-24 57.0-57.5 60 5 7 2 8 10 8 100 GWA-10D Technology of Materials DR-25 30.5-32.0 67 10 5 1 2 7 8 100 GWA-3D Technology of Materials DR-26 28.0-29.0 67 10 5 1 2 7 8 100 Notes: 1. Refer to Appendix H for analytical procedures. 2. Chemical composition of constituent minerals is as follows: Quartz – SiO2, Potassium Feldspar – (K,Na)[AlSi3O8], Plagioclase – Na[AlSi3O8]-Ca[Al2Si2O8], Muscovite – K2Al4[Si6Al2O20](OH,F)4, Illite – K1-1.5Al4[Si7-6.5Al1-1.5O20](OH)4, Vermiculite – (Mg,Ca)0.7(Mg,Fe+3,Al)6[(Al,Si)8O20](OH)4•8H2O, Kaolinite – Al4[Si4O10](OH)8, Chlorite – (Mg,Al,Fe)12[(Si,Al)8O20](OH)16, Smectite – (½Ca,Na)0.7(Al,Mg,Fe)4[(Si,Al)8O20](OH)4•nH2O 3. ft bgs = feet below ground surface Page 1 of 1 Table 6-5. Transition Zone Mineralogy Results, Oxides Boring ID Lab Performing Analysis Unique Lab Identifier Sample Depth (ft bgs) Chemical Composition (wt %) Na2O MgO Al2O3 SiO2 P2O5 S K2O CaO TiO2 Fe2O3 Cr2O3 MW -318BR Technology of Materials DR-20 45-46 3 1 16.2 67.9 <0.2 <0.1 1.9 0.6 0.7 8.5 <0.2 AS-6D Technology of Materials DR-21 47-48 0.3 2.5 22.3 55.8 <0.2 <0.1 4.1 2.1 1.1 11.6 <0.2 GWA-8D Technology of Materials DR-22 29-30 1 2.6 22.2 53.6 <0.2 <0.1 3.1 1.9 1.2 13.9 <0.2 MW -314BR Technology of Materials DR-24 57-57.5 0.7 1.8 24.3 50.6 <0.2 0.2 5.5 0.8 1.3 15.1 <0.2 GWA-10D Technology of Materials DR-25 30.5-32.0 1.4 1.4 25.5 50.4 <0.2 0.2 4.6 0.8 1.3 14.6 <0.2 GWA-3D Technology of Materials DR-26 28-29.0 1 1.4 25.5 55.4 <0.2 <0.2 4.4 0.8 0.8 10.4 <0.2 Notes: 1. Refer to Appendix H for analytical procedures. 2. ft bgs = feet below ground surface Table 6-6. Whole Rock Chemistry Results, Oxides Unique Lab Sample Depth Identifier (ft bgs)Al2O3 BaO CaO Cr2O3 Fe2O3 K2O MgO MnO Na2O P2O5 SiO2 SrO TiO2 V2O5 LOI C S MW-314BR American Assay DR-19 94.9-95.1 12.26 0.02 3.05 0.05 1.91 0.7 0.66 0.04 1.8 0.05 69.26 0.06 0.22 0.02 2.68 0.235 <0.005 MW-314BR American Assay DR-23 62.0-62.1 20.6 0.1 1.82 0.05 3.83 2.41 1.76 0.05 1.32 0.07 62.31 0.04 1.06 0.02 3.52 0.062 <0.005 GWA-10D American Assay D-GWA-10D-1 38.1-38.5 22.3 0.08 2.13 0.02 7.2 2.67 2.44 0.07 1.34 0.08 56.96 0.04 1.04 0.02 4.24 0.11 <0.005 MW-317BR American Assay D-MW-317BR 105.9-106.3 22.3 0.09 1.36 0.02 5.05 2.54 1.81 0.05 1.3 0.05 57.49 0.04 1.11 0.02 4.66 0.17 <0.005 MW-317BR American Assay D-MW-317BR-2 87.5-88 16.01 0.05 1.9 0.06 2.86 1.7 1.24 0.05 1.63 0.08 68.99 0.05 0.75 0.02 2.59 0.047 <0.005 MW-23BR American Assay D-MW-23BR 43-43.3 17.53 0.06 11.39 0.01 8.43 2.49 4.93 0.12 1.3 0.76 44.93 0.11 0.74 0.02 13.96 3.786 0.46 MW-303BR American Assay D-MW-303BR-1 110.3-110.8 14.55 0.02 10.07 0.02 4.8 1.11 3.1 0.09 1.96 0.16 55.62 0.1 0.68 0.01 8.71 1.99 0.096 MW-23BR American Assay D-MW-23BR-2 45.2-45.6 19.08 0.08 3.85 0.01 6.54 2.63 3.13 0.04 0.57 1.33 51.88 0.03 0.9 0.03 11.41 5.095 0.605 Notes: 1. ft bgs = feet below ground surface Boring ID Lab Performing Analysis Oxide Composition, Loss on Ignition, Carbon, and Sulfur (wt. %) Page 1 of 1 Table 6-7. Whole Rock Chemistry Results, Elemental Lab Performing Unique Lab Sample Depth Analysis Identifier (ft bgs)As Cd Ce Co Cu Ga La Mo Ni Pb Sb Se Sn W Zn Zr MW-314BR American Assay DR-19 94.9-95.1 <1 <0.2 29 4 14 10 17 1 12 29 2 <1 5 <1 36 10 MW-314BR American Assay DR-23 62.0-62.1 1 <0.2 74 16 67 27 39 1 34 17 3 <1 5 <1 75 18 GWA-10D American Assay D-GWA-10D-1 38.1-38.5 <1 <0.2 91 23 56 27 49 <1 35 18 2 <1 3 1 106 30 MW-317BR American Assay D-MW-317BR 105.9-106.3 1 <0.2 104 24 56 31 61 4 44 22 2 <1 3 <1 107 19 MW-317BR American Assay D-MW-317BR-2 87.5-88 <1 <0.2 134 10 33 19 60 2 26 15 2 <1 3 <1 5 48 MW-23BR American Assay D-MW-23BR 43-43.3 2 <0.2 61 19 73 25 35 4 32 15 3 <1 3 1 83 33 MW-303BR American Assay D-MW-303BR-1 110.3-110.8 1 <0.2 50 13 34 17 30 4 21 19 1 <1 3 <1 47 19 MW-23BR American Assay D-MW-23BR-2 45.2-45.6 8 <0.2 74 27 96 26 36 4 57 31 4 <1 5 1 157 23 Notes: 1. ft bgs = feet below ground surface 2. ppm = parts per million Boring ID Elemental Composition (ppm) Page 1 of 1 Page 1 of 1 Table 6-8. Summary of Horizontal Hydraulic Gradient Calculations Well Pair Groundwater Elevation – Up-gradient Well Groundwater Elevation – Down-gradient Well Flow Path Length Horizontal Hydraulic Gradient (h2) (h1) (dl) (i) Surficial Aquifer (S wells) GWA-1S / GWA-11S 572.58’ 540.35’ 1,220’ 0.026 GWA-7S / AB- 25S 527.08’ 496.87’ 1,070’ 0.028 GWA-8S / GWA-7S 568.52’ 527.08’ 1,570’ 0.026 GWA-12S / BG-5S 572.49’ 507.29’ 1,700’ 0.038 Average Horizontal Hydraulic Gradient 0.03 Transition Zone (D wells) GWA-8D / BG- 5D 567.75’ 507.17’ 2,440’ 0.025 GWA-9D / GWA-10D 580.37’ 520.00’ 2,180’ 0.028 GWA-7D / AB- 25D 526.15’ 491.51’ 1,410’ 0.025 AS-4D / AB- 30D 544.67’ 490.60’ 1,370’ 0.039 Average Horizontal Hydraulic Gradient 0.029 Fractured Bedrock (BR wells) AS-8BR / MW - 315BR 545.39’ 525.57’ 490’ 0.04 MW -310BR / MW -311BR 521.48’ 495.88’ 815’ 0.03 MW -303BR / AB-30BR 557.85’ 489.90’ 1,525’ 0.045 MW -314BR / MW -22BR 510.45’ 486.50’ 750’ 0.032 Average Horizontal Hydraulic Gradient 0.037 Table 7-1. Soil Matrix Parameters and Analytical Methods Inorganic Compounds Units Method Antimony mg/kg EPA 6020 Arsenic mg/kg EPA 6020 Barium mg/kg EPA 6010 Boron mg/kg EPA 6010 Cadmium mg/kg EPA 6020 Chloride mg/kg SM4500-Cl-E Chromium mg/kg EPA 6010 Copper mg/kg EPA 6010 Iron mg/kg EPA 6010 Lead mg/kg EPA 6020 Manganese mg/kg EPA 6010 Mercury mg/kg EPA Method 7470A/7471 Nickel mg/kg EPA 6010 pH SU EPA 9045 Selenium mg/kg EPA 6020 Thallium (low level) mg/kg EPA 6020 Zinc mg/kg EPA 6010 Total Organic Carbon Units Method TOC Mg/kg EPA 9060 Notes: 1. Soil samples to be analyzed for Total Inorganics using USEPA Methods 6010/6020 and pH using USEPA Method 9045, as noted above. 2. 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. SP LP results to be reported in units of mg/L for comparison to 2L Standards. 3. Samples to be analyzed for Total Organic Carbon using method EPA 9060. Sample result in concentration units of mg/kg of organic carbon on a dry weight basis. Table 7-2.1. Ash Basin Sample Results$VK%DVLQ Aluminum Antimony Arsenic Barium Boron Beryllium Cadmium Chromium Cobalt Copper Iron Lead Manganese 7429-90-5 7440-36-0 7440-38-2 7440-39-3 7440-42-8 7440-41-7 7440-43-9 7440-47-3 7440-48-4 7440-50-8 7439-89-6 7439-92-1 7439-96-5 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 100000 94 3 44000 46000 460 200 100000 70 9400 100000 800 5200 NS 0.9 5.8 580 45 63 3 360000 0.9 700 150 270 65 Sample Name Sample ID Sample Date Ash Basin AB-10D(20-21.5)2015015517 5/16/2015 9320 8.7 U 43.1 255 35 2.6 1 U 18 8.6 J 51.3 5270 17.7 85.3 AB-10D(30-31.5)2015015516 5/13/2015 6780 9.5 U 34.4 373 12.5 J+2.1 1.1 UJ 12.6 5.7 J 46.3 6660 9.2 J 83.2 AB-10D(40-41.5)2015015520 5/16/2015 6270 8.8 U 30.5 343 22 U 2 1.1 U 11.9 4.6 J 30.3 10100 6.3 J 72.3 AB-15D (3.0-5.0)92255787003 6/22/2015 10700 8.2 U 55.9 397 24.5 3.5 0.99 U 15.4 9.9 52 5590 18.7 92.9 AB-15D (24.0-26.0)92255787001 6/22/2015 5170 8.1 U 33.4 287 11.1 J 1.5 0.98 U 12.1 5 J 32.3 5590 8.4 64.3 AB-20S (3.0-5.0)92255787004 6/18/2015 7660 7.9 U 19.9 228 28 3.9 0.95 U 9.7 13.5 32 5170 14.3 75.2 AB-25BR(0-2)2015017070 5/28/2015 7880 5.9 U 21.6 313 14.7 U 1.5 0.7 U 19.6 10.2 22.6 12400 9.1 188 AB-25BR(3-5)2015017071 5/28/2015 7820 7.5 U 49.7 305 15.1 J 2.9 0.9 U 14.8 9.2 54 9100 13.3 71.7 AB-25BR(40-41)2015017072 5/30/2015 10000 8.4 U 62.9 175 21 U 1.1 1 U 26.1 8 J 16.3 13600 6.5 J 253 AB-35BR(3.0-5.0)2015020047 6/5/2015 8120 9.1 U 44.2 287 22.9 U 2 1.1 U 11 6.6 J 36.1 5800 10.9 45.9 AB-35BR(18-19.5)2015020048 6/10/2015 3350 9 U 14.4 230 22.6 U 1 1.1 U 5.8 9 U 16.5 4110 9 U 32.2 AB-35BR(20-21.5)2015020049 6/5/2015 7740 6.3 U 22.6 185 10.6 J 1.4 0.76 U 13.6 8 24.7 11700 12.2 297 AB-5D(20-21.5)2015015500 5/12/2015 8890 7.5 U 69.1 306 21.9 J+2.5 0.9 UJ 17.6 8.5 52.4 7820 16.2 87.4 AB-5D(20-21.5)2015018012 6/2/2015 8880 10.9 U 85.5 379 24.8 J 2.9 1.3 U 20.3 8.5 J 69.7 5660 18.6 69.9 AB-5D(25-26.5)2015015501 5/12/2015 6780 8.6 U 46.5 230 15.7 J+1.9 1 UJ 20.4 7.5 J 48.7 7850 11.7 87 AB-5D(30-31.5)2015015502 5/12/2015 3700 9.2 U 18.1 323 22.4 U 1.1 1.1 UJ 8 9.2 U 18.8 7040 9.2 U 56.7 AB-5S(15-20)2015018016 6/3/2015 12200 9.4 U 81.5 389 22.6 J 2.9 1.1 U 20.5 10.1 52.6 10500 20 106 MW308BR(3-5)2015013194 5/1/2015 6500 5.9 U 144 37.2 91.9 1.1 0.7 U 23.2 4.9 J 189 90300 16 305 MW-308BR(10-11)2015013195 5/1/2015 15100 8.3 U 58.7 703 20.7 U 1.4 0.99 U 25.3 4.6 J 57.3 36600 12.2 115 MW-311BR(3-5)2015018009 6/4/2015 11300 8.9 U 71.6 945 19.5 J 4.4 1.1 U 15.9 14.9 59.2 9500 18.2 95.9 MW-311BR(34-36)2015018010 6/4/2015 12500 7.7 U 7.1 J 239 19.1 U 1.1 0.92 U 32.6 13 23.1 23200 7 J 597 MW-314BR(20-21.5)2015015512 5/13/2015 8900 7.5 U 49.2 310 24.2 2.2 0.9 UJ 17.3 8 45.3 7110 14.3 75.5 MW-314BR(30-31.5)2015015513 5/13/2015 11500 8 U 50.5 449 20.2 4.4 0.96 UJ 25.2 8.6 44.8 12200 11.2 167 General Notes: mg/kg - milligrams per kilogram NA - Not analyzed or not reported by analytical laboratory Std. Units - pH units Comparison Criteria: Shading indicates exceedance of either applicable criteria. Qualifier Notes: U -- Not detected above the reporting detection limit. J -- Estimated Concentration J+ -- Estimated concentration, biased high. J- --Estimated concentration, biased low. NS - No applicable standard for this parameter bold - indicates exceedance of NCDENR Industrial Health Based PSRG Italic/underline - indicates exceedance of NCDENR Protection of Groundwater PSRG North Carolina Department of Environment and Natural Resources Division of Waste Management Soil Remediation Goals Table (March 2015) - Preliminary Industrial Health Based Soil Remediation Goal (PSRG) and Protection of Groundwater PSRG. **Note: No PSRG for Total Chromium is currently available, as a surrogate the PSRG for Trivalent Chromium was used for comparison purposes only. Analyte CAS RN Result Unit NCDENR Industrial Health PSRG NCDENR Protection of Groundwater PSRG Page 1 of 3 Table 7-2.1. Ash Basin Sample Results$VK%DVLQ Sample Name Sample ID Sample Date Ash Basin AB-10D(20-21.5)2015015517 5/16/2015 AB-10D(30-31.5)2015015516 5/13/2015 AB-10D(40-41.5)2015015520 5/16/2015 AB-15D (3.0-5.0)92255787003 6/22/2015 AB-15D (24.0-26.0)92255787001 6/22/2015 AB-20S (3.0-5.0)92255787004 6/18/2015 AB-25BR(0-2)2015017070 5/28/2015 AB-25BR(3-5)2015017071 5/28/2015 AB-25BR(40-41)2015017072 5/30/2015 AB-35BR(3.0-5.0)2015020047 6/5/2015 AB-35BR(18-19.5)2015020048 6/10/2015 AB-35BR(20-21.5)2015020049 6/5/2015 AB-5D(20-21.5)2015015500 5/12/2015 AB-5D(20-21.5)2015018012 6/2/2015 AB-5D(25-26.5)2015015501 5/12/2015 AB-5D(30-31.5)2015015502 5/12/2015 AB-5S(15-20)2015018016 6/3/2015 MW308BR(3-5)2015013194 5/1/2015 MW-308BR(10-11)2015013195 5/1/2015 MW-311BR(3-5)2015018009 6/4/2015 MW-311BR(34-36)2015018010 6/4/2015 MW-314BR(20-21.5)2015015512 5/13/2015 MW-314BR(30-31.5)2015015513 5/13/2015 General Notes: mg/kg - milligrams per kilogram NA - Not analyzed or not reported by analytical laboratory Std. Units - pH units Comparison Criteria: Shading indicates exceedance of either applicable criteria. Qualifier Notes: U -- Not detected above the reporting detection limit. J -- Estimated Concentration J+ -- Estimated concentration, biased high. J- --Estimated concentration, biased low. NS - No applicable standard for this parameter bold - indicates exceedance of NCDENR Industrial Health Based PSRG Italic/underline - indicates exceedance of NCDENR Protection of Groundwater PSRG North Carolina Department of Environment and Natural Resources Division of Waste Management Soil Remediation Goals Table (March 2015) - Preliminary Industrial Health Based Soil Remediation Goal (PSRG) and Protection of Groundwater PSRG. **Note: No PSRG for Total Chromium is currently available, as a surrogate the PSRG for Trivalent Chromium was used for comparison purposes only. Analyte CAS RN Result Unit NCDENR Industrial Health PSRG NCDENR Protection of Groundwater PSRG Mercury Molybdenum Nickel Selenium Strontium Thallium Vanadium Zinc Calcium Chloride Magnesium Nitrate Potassium 7439-97-6 7439-98-7 7440-02-0 7782-49-2 7440-24-6 7440-28-0 7440-62-2 7440-66-6 7440-70-2 16887-00-6 7439-95-4 14797-55-8 7440-09-7 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 8 1200 4400 1200 100000 2.4 1200 70000 NS NS NS 100000 NS 1 NS 130 2.1 NS 0.28 6 1200 NS NS NS NS NS 0.15 4.3 U 18.4 6.5 U 136 8.7 U 43.7 27.5 2990 NA 923 42.4 UJ 1410 0.055 4.8 U 14.4 7.2 U 161 9.5 U 33.2 16.5 3200 457 U 721 45.7 UJ 1100 0.072 4.4 U 12.3 3.4 J 139 8.8 U 25.1 12.8 2680 426 U 702 42.6 UJ 836 0.15 4.1 U 19.8 5.2 J 185 8.2 U 50.2 33.4 3420 404 U 1140 40.4 UJ 1940 0.064 4.1 U 10.9 4.2 J 89.7 8.1 U 27.9 15.9 NA NA NA 39.5 UJ NA 0.22 4 U 23.1 13.4 121 7.9 U 40 27.5 1910 386 U 682 38.6 UJ 1300 0.11 1.7 J 11.6 3.5 J 55.5 5.9 U 34.5 33.5 864 NA 2300 29.8 UJ 2560 0.05 2 J 16.6 7.5 U 194 7.5 U 55.9 23.7 2430 376 U 669 37.6 UJ 1320 0.013 U 4.2 U 11 10.4 107 8.4 U 34.4 20.6 4870 407 U 3220 40.7 UJ 991 0.14 4.6 U 13 9.1 U 118 9.1 U 43.1 17.8 2490 433 U 904 43.3 UJ 973 0.089 4.5 U 6.4 9 U 75.1 9 U 18.5 5.4 J 1470 NA 395 44.2 UJ 588 0.034 3.2 U 15.3 6.3 U 79.7 6.3 U 28 33.1 2420 NA 2060 31.6 UJ 1200 0.18 3.8 U 18.8 5.6 U 146 7.5 U 47.3 26.2 3870 371 U 964 37.1 UJ 1420 0.11 5.4 U 19.7 9.6 J 160 10.9 U 72.1 27.7 3470 NA 910 56.4 UJ 1520 0.11 4.3 U 15.9 6.4 U 124 8.6 U 37.1 23.6 2730 418 U 907 41.8 UJ 1190 0.062 4.5 U 8.2 6.7 U 79.4 9.2 U 16 6.9 J 1300 443 U 414 44.3 UJ 589 0.17 4.7 UJ 19.5 4.9 J 164 9.4 U 57.9 31.9 3990 457 U 1440 45.7 UJ 1830 0.77 7.1 30 16.5 44.7 5.9 U 20.1 30.7 909 289 U 659 28.9 UJ 917 0.029 4.1 U 15.1 8.3 U 61.1 8.3 U 79.3 30.8 668 NA 1920 40.3 UJ 1380 0.2 4.4 UJ 24.2 7.6 J 325 8.9 U 57.8 27.6 2910 427 U 1140 42.7 UJ 2350 0.022 3.8 U 16.4 7.7 U 38.9 7.7 U 52.7 51.6 1810 NA 3830 37.8 UJ 1940 0.2 3.8 U 18 5.3 J 129 7.5 U 51.5 24.6 3360 358 U 911 35.8 UJ 1400 0.064 4 U 19.7 4.4 J 364 8 U 47.9 15.4 7290 NA 1340 39.2 UJ 1390 Page 2 of 3 Table 7-2.1. Ash Basin Sample Results$VK%DVLQ Sample Name Sample ID Sample Date Ash Basin AB-10D(20-21.5)2015015517 5/16/2015 AB-10D(30-31.5)2015015516 5/13/2015 AB-10D(40-41.5)2015015520 5/16/2015 AB-15D (3.0-5.0)92255787003 6/22/2015 AB-15D (24.0-26.0)92255787001 6/22/2015 AB-20S (3.0-5.0)92255787004 6/18/2015 AB-25BR(0-2)2015017070 5/28/2015 AB-25BR(3-5)2015017071 5/28/2015 AB-25BR(40-41)2015017072 5/30/2015 AB-35BR(3.0-5.0)2015020047 6/5/2015 AB-35BR(18-19.5)2015020048 6/10/2015 AB-35BR(20-21.5)2015020049 6/5/2015 AB-5D(20-21.5)2015015500 5/12/2015 AB-5D(20-21.5)2015018012 6/2/2015 AB-5D(25-26.5)2015015501 5/12/2015 AB-5D(30-31.5)2015015502 5/12/2015 AB-5S(15-20)2015018016 6/3/2015 MW308BR(3-5)2015013194 5/1/2015 MW-308BR(10-11)2015013195 5/1/2015 MW-311BR(3-5)2015018009 6/4/2015 MW-311BR(34-36)2015018010 6/4/2015 MW-314BR(20-21.5)2015015512 5/13/2015 MW-314BR(30-31.5)2015015513 5/13/2015 General Notes: mg/kg - milligrams per kilogram NA - Not analyzed or not reported by analytical laboratory Std. Units - pH units Comparison Criteria: Shading indicates exceedance of either applicable criteria. Qualifier Notes: U -- Not detected above the reporting detection limit. J -- Estimated Concentration J+ -- Estimated concentration, biased high. J- --Estimated concentration, biased low. NS - No applicable standard for this parameter bold - indicates exceedance of NCDENR Industrial Health Based PSRG Italic/underline - indicates exceedance of NCDENR Protection of Groundwater PSRG North Carolina Department of Environment and Natural Resources Division of Waste Management Soil Remediation Goals Table (March 2015) - Preliminary Industrial Health Based Soil Remediation Goal (PSRG) and Protection of Groundwater PSRG. **Note: No PSRG for Total Chromium is currently available, as a surrogate the PSRG for Trivalent Chromium was used for comparison purposes only. Analyte CAS RN Result Unit NCDENR Industrial Health PSRG NCDENR Protection of Groundwater PSRG Sodium Sulfate pH (field)Total Organic Carbon 7440-23-5 14808-79-8 PH TOC mg/kg mg/kg Std. Units mg/kg NS NS NS NS NS NS NS NS 223 J NA 7.5 J 77000 477 U 457 U 7.7 J 84100 440 U 426 U 7.7 J 90900 278 J 215 J 7.5 J 46800 NA NA 8.5 J 111000 385 J 390 6.3 J 191000 293 U NA 6 J 33600 376 U 376 U 6.4 J 81100 419 U 407 U 8.6 J 25400 457 U 471 6.9 J 97600 452 U NA 7.7 J 87500 315 U NA 7 J 29800 270 J 371 U 7.8 J 73600 545 U NA 7.3 J 97400 217 J 418 U 7.7 J 61600 448 U 443 U 7.8 J 64300 258 J 457 U 7.6 J 92400 293 U 477 4.9 J 42900 414 U NA 6.4 J 55300 360 J 308 J 5.6 J 167000 383 U NA 6.9 J 34900 272 J 358 U 7.8 J 113000 289 J NA 8 J 108000 J Page 3 of 3 Table 7-2.2. Ash Basin Sample Results - Ash Storage Aluminum Antimony Arsenic Barium Boron Beryllium Cadmium Chromium Cobalt Copper Iron Lead Manganese 7429-90-5 7440-36-0 7440-38-2 7440-39-3 7440-42-8 7440-41-7 7440-43-9 7440-47-3 7440-48-4 7440-50-8 7439-89-6 7439-92-1 7439-96-5 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 100000 94 3 44000 46000 460 200 100000 70 9400 100000 800 5200 NS 0.9 5.8 580 45 63 3 360000 0.9 700 150 270 65 Sample Name Sample ID Sample Date Ash Storage AS-4D(3-4)2015008616 3/24/2015 8150 4.3 U 52.3 307 6.5 1.8 0.51 U 10.6 7.6 38.7 6820 13.8 59.6 AS-4D(11-12.5)2015008618 3/25/2015 9940 3.7 U 16.2 171 36.4 1.6 0.45 U 17.8 10.2 33.4 19800 19.7 285 AS-4D(16-17.5)2015008619 3/24/2015 10800 3.2 U 10.4 123 32.4 1.4 0.39 U 20.7 7.7 31.4 20600 17 194 AS-8BR(19-21)2015012027 4/14/2015 8930 7.1 U 49.5 300 13.4 J 2.4 0.85 U 15.4 9.3 49.5 9860 14 93.5 AS-8D(3-5)2015010595 4/7/2015 6390 8.9 U 32.4 303 11.2 2.6 1.1 U 10.4 9.7 34.2 5840 10.9 62.8 MW-301BR(3-4)2015009423 4/1/2015 26500 3.6 U 25.6 959 47.7 2.2 0.44 U 24.9 101 69.2 45300 22.7 1630 MW-303BR(25-26.5)2015010602 4/8/2015 9290 6.6 U 64.6 369 14.4 J 4.2 0.79 U 13 12.1 51.1 4190 19.2 66.6 MW-303BR(50-51.5)2015010603 4/8/2015 5850 7.3 U 43.8 408 11.6 J 3.8 0.87 U 11.3 9.7 44.7 3920 14.5 55.2 MW-303BR(75-76.5)2015010604 4/8/2015 6660 7.4 U 35.7 289 13.7 J 2.9 0.88 U 12 9.9 42.6 5770 14.9 64.8 MW-306BR(40-41.5)2015009430 3/25/2015 5460 2.9 U 56.6 287 24.5 1.4 0.34 U 17 4.5 32 18800 11.9 85.9 MW-306BR(55-56.5)2015009429 3/25/2015 5260 4.3 UJ 17.8 227 14.8 J 1.9 0.52 U 10 5.1 J+39.3 4140 7.7 J 32 MW-306BR(70-71.5)2015009431 3/25/2015 8990 3.8 U 58.9 332 24.2 2.4 0.46 U 16.3 6.9 48.6 6320 12.7 58.2 MW315BR(3.0-4.5)2015013175 4/23/2015 13500 7.6 U 45.5 282 13.5 J 4.2 0.91 U 21.1 15.7 61.1 16900 19.1 326 MW-315BR(21-22.5)2015013177 4/23/2015 7600 6.1 U 32.2 346 15.3 U 1.6 0.74 U 14.5 6.8 35.5 19900 9 181 MW-318D(3-5)2015014236 5/5/2015 13200 6.8 U 78.4 391 16.8 J 3.3 0.82 U 19.2 12.6 60.2 10100 22.2 66.6 MW-318D(19-20)2015014237 5/5/2015 16000 7.1 U 13.1 140 17.7 U 1.4 0.85 U 18.9 11.5 28.2 31700 17 510 General Notes: mg/kg - milligrams per kilogram NA - Not analyzed or not reported by analytical laboratory Std. Units - pH units Comparison Criteria: Shading indicates exceedance of either applicable criteria. Qualifier Notes: U -- Not detected above the reporting detection limit. J -- Estimated Concentration J+ -- Estimated concentration, biased high. J- --Estimated concentration, biased low. bold - indicates exceedance of NCDENR Industrial Health Based PSRG Italic/underline - indicates exceedance of NCDENR Protection of Groundwater PSRG North Carolina Department of Environment and Natural Resources Division of Waste Management Soil Remediation Goals Table (March 2015) - Preliminary Industrial Health Based Soil Remediation Goal (PSRG) and Protection of Groundwater PSRG. **Note: No PSRG for Total Chromium is currently available, as a surrogate the PSRG for Trivalent Chromium was used for comparison purposes only. Analyte CAS RN Result Unit NCDENR Industrial Health PSRG NCDENR Protection of Groundwater PSRG NS - No applicable standard for this parameter Page 1 of 3 Table 7-2.2. Ash Basin Sample Results - Ash Storage Sample Name Sample ID Sample Date Ash Storage AS-4D(3-4)2015008616 3/24/2015 AS-4D(11-12.5)2015008618 3/25/2015 AS-4D(16-17.5)2015008619 3/24/2015 AS-8BR(19-21)2015012027 4/14/2015 AS-8D(3-5)2015010595 4/7/2015 MW-301BR(3-4)2015009423 4/1/2015 MW-303BR(25-26.5)2015010602 4/8/2015 MW-303BR(50-51.5)2015010603 4/8/2015 MW-303BR(75-76.5)2015010604 4/8/2015 MW-306BR(40-41.5)2015009430 3/25/2015 MW-306BR(55-56.5)2015009429 3/25/2015 MW-306BR(70-71.5)2015009431 3/25/2015 MW315BR(3.0-4.5)2015013175 4/23/2015 MW-315BR(21-22.5)2015013177 4/23/2015 MW-318D(3-5)2015014236 5/5/2015 MW-318D(19-20)2015014237 5/5/2015 General Notes: mg/kg - milligrams per kilogram NA - Not analyzed or not reported by analytical laboratory Std. Units - pH units Comparison Criteria: Shading indicates exceedance of either applicable criteria. Qualifier Notes: U -- Not detected above the reporting detection limit. J -- Estimated Concentration J+ -- Estimated concentration, biased high. J- --Estimated concentration, biased low. bold - indicates exceedance of NCDENR Industrial Health Based PSRG Italic/underline - indicates exceedance of NCDENR Protection of Groundwater PSRG North Carolina Department of Environment and Natural Resources Division of Waste Management Soil Remediation Goals Table (March 2015) - Preliminary Industrial Health Based Soil Remediation Goal (PSRG) and Protection of Groundwater PSRG. **Note: No PSRG for Total Chromium is currently available, as a surrogate the PSRG for Trivalent Chromium was used for comparison purposes only. Analyte CAS RN Result Unit NCDENR Industrial Health PSRG NCDENR Protection of Groundwater PSRG NS - No applicable standard for this parameter Mercury Molybdenum Nickel Selenium Strontium Thallium Vanadium Zinc Calcium Chloride Magnesium Nitrate Potassium 7439-97-6 7439-98-7 7440-02-0 7782-49-2 7440-24-6 7440-28-0 7440-62-2 7440-66-6 7440-70-2 16887-00-6 7439-95-4 14797-55-8 7440-09-7 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 8 1200 4400 1200 100000 2.4 1200 70000 NS NS NS 100000 NS 1 NS 130 2.1 NS 0.28 6 1200 NS NS NS NS NS 0.14 0.75 J 13.9 4.3 U 108 4.3 U 37.9 18.1 2300 420 U 889 42 UJ 1320 0.11 J-0.48 J 12.5 2.6 J 47.9 3.7 U 36.1 30.2 1500 389 U 1580 38.9 UJ 915 0.033 0.65 U 9.7 1.9 J 32 3.2 U 36.3 27.1 853 319 U 1420 31.9 UJ 781 0.13 3.6 U 18.7 5.8 J 125 7.1 U 43.1 25.6 1960 NA 973 35.1 UJ 1390 0.16 1.9 12.4 8.9 U 170 8.9 U 38.7 15.9 2030 430 U 784 43 UJ 1070 0.027 2.6 J 33.8 2.7 J 313 3.6 U 31.9 112 J 2150 NA 6620 35 UJ 2160 0.15 1.7 J 20.4 6.1 J 158 6.6 U 58.8 29.7 1590 316 U 705 31.6 UJ 1350 0.12 3.6 U 15.3 5.3 J 156 7.3 U 44.3 19.8 1600 350 U 595 35 UJ 1050 0.11 2 13.5 4.9 J 150 7.4 U 45.8 20.3 1700 NA 728 36.8 UJ 1030 0.14 2.3 J 12.9 7.2 136 2.9 U 32.9 10.8 J+1680 281 U 748 28.1 UJ 1470 0.18 4.6 UJ 11.3 6.3 144 8.7 UJ 25.4 13.1 J+1690 439 U 610 43.9 UJ 797 0.16 3.8 UJ 15.9 3.2 J 169 3.8 U 40.5 21.8 J+3010 NA 923 38.9 UJ 1380 0.14 2.6 J 26.3 7.6 U 201 7.6 U 66.2 37.7 2410 364 U 1700 36.4 UJ 1250 0.06 3.1 U 19.2 3.9 J 92.8 6.1 U 29.5 24.4 2250 NA 1080 30 UJ 898 0.13 2.3 J 25.1 6.8 U 170 6.8 U 70.7 36.7 1880 339 U 1090 33.9 UJ 2560 0.021 3.5 U 16.4 7.1 U 53.3 7.1 U 33.7 51.4 2560 NA 3380 34.8 UJ 1500 Page 2 of 3 Table 7-2.2. Ash Basin Sample Results - Ash Storage Sample Name Sample ID Sample Date Ash Storage AS-4D(3-4)2015008616 3/24/2015 AS-4D(11-12.5)2015008618 3/25/2015 AS-4D(16-17.5)2015008619 3/24/2015 AS-8BR(19-21)2015012027 4/14/2015 AS-8D(3-5)2015010595 4/7/2015 MW-301BR(3-4)2015009423 4/1/2015 MW-303BR(25-26.5)2015010602 4/8/2015 MW-303BR(50-51.5)2015010603 4/8/2015 MW-303BR(75-76.5)2015010604 4/8/2015 MW-306BR(40-41.5)2015009430 3/25/2015 MW-306BR(55-56.5)2015009429 3/25/2015 MW-306BR(70-71.5)2015009431 3/25/2015 MW315BR(3.0-4.5)2015013175 4/23/2015 MW-315BR(21-22.5)2015013177 4/23/2015 MW-318D(3-5)2015014236 5/5/2015 MW-318D(19-20)2015014237 5/5/2015 General Notes: mg/kg - milligrams per kilogram NA - Not analyzed or not reported by analytical laboratory Std. Units - pH units Comparison Criteria: Shading indicates exceedance of either applicable criteria. Qualifier Notes: U -- Not detected above the reporting detection limit. J -- Estimated Concentration J+ -- Estimated concentration, biased high. J- --Estimated concentration, biased low. bold - indicates exceedance of NCDENR Industrial Health Based PSRG Italic/underline - indicates exceedance of NCDENR Protection of Groundwater PSRG North Carolina Department of Environment and Natural Resources Division of Waste Management Soil Remediation Goals Table (March 2015) - Preliminary Industrial Health Based Soil Remediation Goal (PSRG) and Protection of Groundwater PSRG. **Note: No PSRG for Total Chromium is currently available, as a surrogate the PSRG for Trivalent Chromium was used for comparison purposes only. Analyte CAS RN Result Unit NCDENR Industrial Health PSRG NCDENR Protection of Groundwater PSRG NS - No applicable standard for this parameter Sodium Sulfate pH (field)Total Organic Carbon 7440-23-5 14808-79-8 PH TOC mg/kg mg/kg Std. Units mg/kg NS NS NS NS NS NS NS NS 215 420 U 6 J 130000 101 389 U 6.6 J 153000 37.6 J 319 U 5.5 J 26600 219 J NA 6.6 J 77800 137 353 J 6 J 131000 364 U NA 5.4 J 8620 229 476 6.1 J 98600 198 194 J 7.5 J 177000 215 NA 7.4 J 124000 279 J 2990 4.1 J 64600 J 462 U 467 7.8 J 109000 277 J NA 7.8 J 54800 226 J+364 U 5.2 J 104000 163 J+NA 7.3 J 79100 215 J 339 U 5.6 J 65600 353 U NA 7.2 J 188000 Page 3 of 3 Page 1 of 1 Table 7-3. Aqueous Matrix Parameters and Analytical Methods Parameter Units Method Field Parameters pH SU Field Water Quality Meter Specific Conductance mmho/cm Field Water Quality Meter Temperature ºC Field Water Quality Meter Dissolved Oxygen mg/L Field Water Quality Meter Oxidation Reduction Potential mV Field Water Quality Meter NPDES Constituents Antimony µg/L EPA 200.8 or 6020 Arsenic µg/L EPA 200.8 or 6020 Barium µg/L EPA 200.7 or 6010 Boron µg/L EPA 200.7 or 6010 Cadmium µg/L EPA 200.8 or 6020 Chloride mg/L EPA 300.0 Chromium µg/L EPA 200.7 or 6010 Copper mg/L EPA 200.7 or 6010 Iron µg/L EPA 200.7 or 6010 Lead µg/L EPA 200.8 or 6020 Manganese µg/L EPA 200.7 or 6010 Mercury µg/L EPA 245.1 Nickel µg/L EPA 200.7 or 6010 Nitrate as Nitrogen mg-N/L EPA 300.0 Selenium µg/L EPA 200.8 or 6020 Sulfate mg/L EPA 300.0 Thallium (low level) µg/L EPA 200.8 or 6020 Total Dissolved Solids mg/L EPA 160.1 or SM 2540C Zinc mg/L EPA 200.7 or 6010 Additional Groundwater Constituents Alkalinity (as CaCO3) mg/L SM2320B Calcium mg/L EPA 200.7 Ferrous Iron mg/L SM4500-Fe Magnesium mg/L EPA 200.7 Potassium mg/L EPA 200.7 Sodium mg/L EPA 200.7 Sulfide mg/L SM4500S-F Total Organic Carbon mg/L SM5310 Notes: Select constituents may be analyzed for total and dissolved concentrations Table 7-4: Ash Basin Surface Water Sample Results Aluminum Aluminum Antimony Antimony Arsenic Arsenic Barium Barium Boron Boron Beryllium Beryllium Cadmium Cadmium Chromium 7429-90-5 7429-90-5 7440-36-0 7440-36-0 7440-38-2 7440-38-2 7440-39-3 7440-39-3 7440-42-8 7440-42-8 7440-41-7 7440-41-7 7440-43-9 7440-43-9 7440-47-3 D T D T D T D T D T D T D T D ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l 87 87 5.6 5.6 10 10 1000 1000 NS NS 6.5 6.5 0.15 0.15 24 Sample Name Sample ID Sample Date SW-1 2015016412 5/27/2015 43 613 1.02 1.21 13.8 15.5 20 18 180 157 1 U 1 U 1 U 1 U 1 U SW-9 2015016410 5/27/2015 5 U 129 1 U 1 U 46.3 51.1 88 99 360 364 1 U 1 U 1 U 1 U 1 U General Notes: ug/l - micrograms per liter NA - Not analyzed or not reported by analytical laboratory T - Total D - Dissolved N - Fraction not applicable Comparison Criteria: Qualifier Notes: U -- Not detected above the reporting detection limit. J -- Estimated Concentration J+ -- Estimated concentration, biased high. J- --Estimated concentration, biased low. shading + bold - indicates exceedance of NC 02B Surface Water Criteria North Carolina Department of Environment and Natural Resources Division of Water Resources 15A NCAC 02B Surface Water Standards and Protective Values & EPA National Recommended Water Quality Criteria. **NOTE for the purposes of comparison, the lowest value of the Water Supply, Human Health, or Freshwater Aquatic Life criteria was referenced in this table. Analyte CAS RN Fraction Result Unit NC 2B Surface Water (Lowest of AL, HH, WS) NS - No applicable standard for this parameter Page 1 of 4 Table 7-4: Ash Basin Surface Water Sample Results Sample Name Sample ID Sample Date SW-1 2015016412 5/27/2015 SW-9 2015016410 5/27/2015 General Notes: ug/l - micrograms per liter NA - Not analyzed or not reported by analytical laboratory T - Total D - Dissolved N - Fraction not applicable Comparison Criteria: Qualifier Notes: U -- Not detected above the reporting detection limit. J -- Estimated Concentration J+ -- Estimated concentration, biased high. J- --Estimated concentration, biased low. shading + bold - indicates exceedance of NC 02B Surface Water Criteria North Carolina Department of Environment and Natural Resources Division of Water Resources 15A NCAC 02B Surface Water Standards and Protective Values & EPA National Recommended Water Quality Criteria. **NOTE for the purposes of comparison, the lowest value of the Water Supply, Human Health, or Freshwater Aquatic Life criteria was referenced in this table. Analyte CAS RN Fraction Result Unit NC 2B Surface Water (Lowest of AL, HH, WS) NS - No applicable standard for this parameter Chromium Cobalt Cobalt Copper Copper Iron Iron Lead Lead Manganese Manganese Mercury Molybdenum Molybdenum Nickel 7440-47-3 7440-48-4 7440-48-4 7440-50-8 7440-50-8 7439-89-6 7439-89-6 7439-92-1 7439-92-1 7439-96-5 7439-96-5 7439-97-6 7439-98-7 7439-98-7 7440-02-0 T D T D T D T D T D T T D T D ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l 24 3 3 2.7 2.7 NS NS 0.54 0.54 NS NS NS 160 160 16 1 U 1 U 1 U 3.39 J+4.75 21 323 1 U 1 U 16 9 0.0011 J+9.11 9.36 1.2 1 U 1 U 1 U 1 U 5.11 J+10 U 140 1 U 1 U 35 154 0.000949 J+7.62 7.65 1 U Page 2 of 4 Table 7-4: Ash Basin Surface Water Sample Results Sample Name Sample ID Sample Date SW-1 2015016412 5/27/2015 SW-9 2015016410 5/27/2015 General Notes: ug/l - micrograms per liter NA - Not analyzed or not reported by analytical laboratory T - Total D - Dissolved N - Fraction not applicable Comparison Criteria: Qualifier Notes: U -- Not detected above the reporting detection limit. J -- Estimated Concentration J+ -- Estimated concentration, biased high. J- --Estimated concentration, biased low. shading + bold - indicates exceedance of NC 02B Surface Water Criteria North Carolina Department of Environment and Natural Resources Division of Water Resources 15A NCAC 02B Surface Water Standards and Protective Values & EPA National Recommended Water Quality Criteria. **NOTE for the purposes of comparison, the lowest value of the Water Supply, Human Health, or Freshwater Aquatic Life criteria was referenced in this table. Analyte CAS RN Fraction Result Unit NC 2B Surface Water (Lowest of AL, HH, WS) NS - No applicable standard for this parameter Nickel Selenium Selenium Strontium Strontium Thallium Thallium Vanadium Vanadium Zinc Zinc Alkalinity, HCO3 Alkalinity, CO3 Alkalinity, lab Calcium 7440-02-0 7782-49-2 7782-49-2 7440-24-6 7440-24-6 7440-28-0 7440-28-0 7440-62-2 7440-62-2 7440-66-6 7440-66-6 ALK-HCO3 ALK-CO3 ALK-LAB 7440-70-2 T D T D T D T D T D T N N N T ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l 16 NS NS 14000 14000 0.24 0.24 NS NS 36 36 NS NS NS NS 2.5 2.32 2.87 322 320 0.2 U 0.2 U 4.94 6.65 34 J+212 23000 11000 37000 19700 1.16 1 U 1 U 883 895 0.2 U 0.2 U 0.701 0.947 18 J+10 100000 10000 U 100000 45400 Page 3 of 4 Table 7-4: Ash Basin Surface Water Sample Results Sample Name Sample ID Sample Date SW-1 2015016412 5/27/2015 SW-9 2015016410 5/27/2015 General Notes: ug/l - micrograms per liter NA - Not analyzed or not reported by analytical laboratory T - Total D - Dissolved N - Fraction not applicable Comparison Criteria: Qualifier Notes: U -- Not detected above the reporting detection limit. J -- Estimated Concentration J+ -- Estimated concentration, biased high. J- --Estimated concentration, biased low. shading + bold - indicates exceedance of NC 02B Surface Water Criteria North Carolina Department of Environment and Natural Resources Division of Water Resources 15A NCAC 02B Surface Water Standards and Protective Values & EPA National Recommended Water Quality Criteria. **NOTE for the purposes of comparison, the lowest value of the Water Supply, Human Health, or Freshwater Aquatic Life criteria was referenced in this table. Analyte CAS RN Fraction Result Unit NC 2B Surface Water (Lowest of AL, HH, WS) NS - No applicable standard for this parameter Chloride Magnesium Methane Nitrite as N Potassium Sodium Sulfate Sulfide Total Organic Carbon Total Dissolved Solids Total Suspended 16887-00-6 7439-95-4 74-82-8 14797-65-0 7440-09-7 7440-23-5 14808-79-8 18496-25-8 TOC TDS TSS N T N N T T N N N N N ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l 230000 NS NS NS NS NS 250000 NS NS NS NS 11000 7240 10 UJ 29 3090 11500 53000 100 U 3800 140000 16000 13000 13500 10 UJ 132 4690 17000 90000 100 U 2100 270000 32000 Page 4 of 4 Table 7-5. Ash Basin Porewater Sample Results Aluminum Aluminum Antimony Antimony Arsenic Arsenic Barium Barium Beryllium Beryllium Boron Boron Cadmium 7429-90-5 7429-90-5 7440-36-0 7440-36-0 7440-38-2 7440-38-2 7440-39-3 7440-39-3 7440-41-7 7440-41-7 7440-42-8 7440-42-8 7440-43-9 D T D T D T D T D T D T D ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l NS NS NS NS 10 10 700 700 NS NS 700 700 2 NS NS 1 1 NS NS NS NS 4 4 NS NS NS Sample Name Sample ID Sample Date AB-5S 92255424001 6/19/2015 100 U 84 J 0.94 J+0.91 139 145 86 91 0.2 U 0.2 U 320 J+310 0.036 J AB-10S 92256383002 6/26/2015 140 530 1.6 1.3 229 233 250 260 0.17 J 0.15 J 350 330 0.072 J AB-10SL 92256383001 6/26/2015 1200 3000 11.6 9.8 8.7 9.6 170 130 0.14 J 0.17 J 440 440 0.08 U AB-15S 92255785001 6/22/2015 140 13200 2.7 6.7 296 442 160 810 0.23 J+12.1 390 420 0.08 U AB-25S 92256382002 6/26/2015 64 J 79 J 1.6 1.6 94.7 96.4 46 56 0.2 U 0.2 U 580 630 0.08 U General Notes: ug/l - micrograms per liter NA - Not analyzed or not reported by analytical laboratory T - Total D - Dissolved N - Fraction not applicable Comparison Criteria: Qualifier Notes: U -- Not detected above the reporting detection limit. J -- Estimated Concentration J+ -- Estimated concentration, biased high. J- --Estimated concentration, biased low. NS - No applicable standard for this parameter shading + bold - indicates exceedance of NC 2L or IMAC Criteria. North Carolina Department of Environment and Natural Resources Division of Water Resources 02L Groundwater Quality Standards and Interim Maximum Allowable Concentrations (IMACs). April 2013 *NOTE: The IMAC value is shown where there is no applicable 02L standard. Appendix #1 of 15A NCAC Subchapter 02L Classifications and Water Quality Standards Applicable to the Groundwaters of North Carolina , lists Interim Maximum Allowable Concentrations (IMACs). The IMACs were issued in 2010 and 2011, however NCDENR has not established a 02L standard for these constituents as described in 15A NCAC 02L.0202(c). For this reason, IMACs are noted in this report for reference only. Analyte CAS RN Fraction Result Unit 15A NCAC 02L STANDARD IMAC* Page 1 of 5 Table 7-5. Ash Basin Porewater Sample Results Sample Name Sample ID Sample Date AB-5S 92255424001 6/19/2015 AB-10S 92256383002 6/26/2015 AB-10SL 92256383001 6/26/2015 AB-15S 92255785001 6/22/2015 AB-25S 92256382002 6/26/2015 General Notes: ug/l - micrograms per liter NA - Not analyzed or not reported by analytical laboratory T - Total D - Dissolved N - Fraction not applicable Comparison Criteria: Qualifier Notes: U -- Not detected above the reporting detection limit. J -- Estimated Concentration J+ -- Estimated concentration, biased high. J- --Estimated concentration, biased low. NS - No applicable standard for this parameter shading + bold - indicates exceedance of NC 2L or IMAC Criteria. North Carolina Department of Environment and Natural Resources Division of Water Resources 02L Groundwater Quality Standards and Interim Maximum Allowable Concentrations (IMACs). April 2013 *NOTE: The IMAC value is shown where there is no applicable 02L standard. Appendix #1 of 15A NCAC Subchapter 02L Classifications and Water Quality Standards Applicable to the Groundwaters of North Carolina , lists Interim Maximum Allowable Concentrations (IMACs). The IMACs were issued in 2010 and 2011, however NCDENR has not established a 02L standard for these constituents as described in 15A NCAC 02L.0202(c). For this reason, IMACs are noted in this report for reference only. Analyte CAS RN Fraction Result Unit 15A NCAC 02L STANDARD IMAC* Cadmium Chromium Chromium Cobalt Cobalt Copper Copper Iron Iron Lead Lead Manganese Manganese 7440-43-9 7440-47-3 7440-47-3 7440-48-4 7440-48-4 7440-50-8 7440-50-8 7439-89-6 7439-89-6 7439-92-1 7439-92-1 7439-96-5 7439-96-5 T D T D T D T D T D T D T ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l 2 10 10 NS NS 1000 1000 300 300 15 15 50 50 NS NS NS 1 1 NS NS NS NS NS NS NS NS 0.036 J 1.7 J+4 27.1 28.2 0.37 J+0.49 J 22800 25100 0.1 U 0.15 1500 1500 0.058 J 1.7 1.3 9.4 8.5 4.3 2.5 7500 7600 0.86 0.85 910 860 0.033 J 4.2 5.1 1.3 1.8 4.3 5 760 2900 1.1 1.5 350 250 1.3 0.5 U 50 0.5 U 34.1 0.25 J+197 50 U 5800 0.1 U 77.4 28 170 0.08 U 0.56 J+0.47 J 0.15 J 0.16 J 0.72 J+1 U 29 J 74 0.058 J+0.049 J 70 72 Page 2 of 5 Table 7-5. Ash Basin Porewater Sample Results Sample Name Sample ID Sample Date AB-5S 92255424001 6/19/2015 AB-10S 92256383002 6/26/2015 AB-10SL 92256383001 6/26/2015 AB-15S 92255785001 6/22/2015 AB-25S 92256382002 6/26/2015 General Notes: ug/l - micrograms per liter NA - Not analyzed or not reported by analytical laboratory T - Total D - Dissolved N - Fraction not applicable Comparison Criteria: Qualifier Notes: U -- Not detected above the reporting detection limit. J -- Estimated Concentration J+ -- Estimated concentration, biased high. J- --Estimated concentration, biased low. NS - No applicable standard for this parameter shading + bold - indicates exceedance of NC 2L or IMAC Criteria. North Carolina Department of Environment and Natural Resources Division of Water Resources 02L Groundwater Quality Standards and Interim Maximum Allowable Concentrations (IMACs). April 2013 *NOTE: The IMAC value is shown where there is no applicable 02L standard. Appendix #1 of 15A NCAC Subchapter 02L Classifications and Water Quality Standards Applicable to the Groundwaters of North Carolina , lists Interim Maximum Allowable Concentrations (IMACs). The IMACs were issued in 2010 and 2011, however NCDENR has not established a 02L standard for these constituents as described in 15A NCAC 02L.0202(c). For this reason, IMACs are noted in this report for reference only. Analyte CAS RN Fraction Result Unit 15A NCAC 02L STANDARD IMAC* Mercury Mercury Molybdenum Molybdenum Nickel Nickel Selenium Selenium Strontium Strontium Thallium Thallium Vanadium 7439-97-6 7439-97-6 7439-98-7 7439-98-7 7440-02-0 7440-02-0 7782-49-2 7782-49-2 7440-24-6 7440-24-6 7440-28-0 7440-28-0 7440-62-2 D T D T D T D T D T D T D ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l 1 1 NS NS 100 100 20 20 NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS 0.2 0.2 0.3 0.2 U 0.2 U 20.1 20.9 21.4 24.9 0.5 U 0.5 U 1300 1300 0.65 0.69 1 U 0.2 U 0.2 U 14.5 14.3 5.8 5.4 0.38 J 0.24 J 930 950 0.59 0.54 4.1 0.2 U 0.2 U 17.3 28.5 5.2 5.9 0.87 1.1 370 340 0.084 J 0.1 U 11.8 0.2 U 0.08 J 21.5 28.6 0.96 J+70.1 0.65 12.2 770 1100 0.2 3.4 45.4 0.2 U 0.2 U 68.3 71.3 2 2 0.66 0.74 650 790 0.043 J 0.043 J 13.2 Page 3 of 5 Table 7-5. Ash Basin Porewater Sample Results Sample Name Sample ID Sample Date AB-5S 92255424001 6/19/2015 AB-10S 92256383002 6/26/2015 AB-10SL 92256383001 6/26/2015 AB-15S 92255785001 6/22/2015 AB-25S 92256382002 6/26/2015 General Notes: ug/l - micrograms per liter NA - Not analyzed or not reported by analytical laboratory T - Total D - Dissolved N - Fraction not applicable Comparison Criteria: Qualifier Notes: U -- Not detected above the reporting detection limit. J -- Estimated Concentration J+ -- Estimated concentration, biased high. J- --Estimated concentration, biased low. NS - No applicable standard for this parameter shading + bold - indicates exceedance of NC 2L or IMAC Criteria. North Carolina Department of Environment and Natural Resources Division of Water Resources 02L Groundwater Quality Standards and Interim Maximum Allowable Concentrations (IMACs). April 2013 *NOTE: The IMAC value is shown where there is no applicable 02L standard. Appendix #1 of 15A NCAC Subchapter 02L Classifications and Water Quality Standards Applicable to the Groundwaters of North Carolina , lists Interim Maximum Allowable Concentrations (IMACs). The IMACs were issued in 2010 and 2011, however NCDENR has not established a 02L standard for these constituents as described in 15A NCAC 02L.0202(c). For this reason, IMACs are noted in this report for reference only. Analyte CAS RN Fraction Result Unit 15A NCAC 02L STANDARD IMAC* Vanadium Zinc Zinc Alkalinity, HCO3 Alkalinity, CO3 Alkalinity, lab Calcium Chloride Magnesium Methane Nitrogen, NO2 plus NO3 Potassium Sodium 7440-62-2 7440-66-6 7440-66-6 ALK-HCO3 ALK-CO3 ALK-LAB 7440-70-2 16887-00-6 7439-95-4 74-82-8 NO2-NO3 7440-09-7 7440-23-5 T D T N N N T N T N N T T ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l NS 1000 1000 NS NS NS NS 250000 NS NS NS NS NS 0.3 NS NS NS NS NS NS NS NS NS NS NS NS 0.62 J 8.5 J 17 89200 5000 U 89200 59100 11100 11100 29.4 J+20 U 13000 14900 3 7.3 J 7.6 J 138000 5000 U 138000 36900 12500 7070 43.4 30 6790 19500 14.6 14 12 147000 5000 U 147000 24500 15900 7050 30.3 30 18000 40800 254 10 U 51 128000 5000 U 128000 47800 15900 9480 40.1 J+20 U 9340 19200 13.3 6.1 J 10 U 85600 5000 U 85600 37400 14800 6020 44 20 U 6120 28800 Page 4 of 5 Table 7-5. Ash Basin Porewater Sample Results Sample Name Sample ID Sample Date AB-5S 92255424001 6/19/2015 AB-10S 92256383002 6/26/2015 AB-10SL 92256383001 6/26/2015 AB-15S 92255785001 6/22/2015 AB-25S 92256382002 6/26/2015 General Notes: ug/l - micrograms per liter NA - Not analyzed or not reported by analytical laboratory T - Total D - Dissolved N - Fraction not applicable Comparison Criteria: Qualifier Notes: U -- Not detected above the reporting detection limit. J -- Estimated Concentration J+ -- Estimated concentration, biased high. J- --Estimated concentration, biased low. NS - No applicable standard for this parameter shading + bold - indicates exceedance of NC 2L or IMAC Criteria. North Carolina Department of Environment and Natural Resources Division of Water Resources 02L Groundwater Quality Standards and Interim Maximum Allowable Concentrations (IMACs). April 2013 *NOTE: The IMAC value is shown where there is no applicable 02L standard. Appendix #1 of 15A NCAC Subchapter 02L Classifications and Water Quality Standards Applicable to the Groundwaters of North Carolina , lists Interim Maximum Allowable Concentrations (IMACs). The IMACs were issued in 2010 and 2011, however NCDENR has not established a 02L standard for these constituents as described in 15A NCAC 02L.0202(c). For this reason, IMACs are noted in this report for reference only. Analyte CAS RN Fraction Result Unit 15A NCAC 02L STANDARD IMAC* Sulfate Sulfide Total Organic Carbon Total Dissolved Solids Total Suspended Solids 14808-79-8 18496-25-8 TOC TDS TSS N N N N N ug/l ug/l ug/l ug/l ug/l 250000 NS NS 500000 NS NS NS NS NS NS 125000 100 U 570 J 358000 25800 24500 100 U 1000 U 226000 29100 29800 100 U 1800 239000 36600 39300 100 U 510 J 226000 480000 74700 100 U 930 J 243000 5000 Page 5 of 5 Ta b l e 7 - 6 . P o r e w a t e r S p e c i a t i o n R e s u l t s As ( I I I ) A s ( V ) C h r o m i u m ( V I ) F e ( I I ) F e ( I I I ) M n ( I I ) M n ( I V ) S e ( I V ) S e ( V I ) 77 8 4 - 4 6 - 5 1 0 1 0 3 - 6 0 - 3 1 8 5 4 0 - 2 9 - 9 1 3 4 5 - 2 5 - 1 1 3 0 9 - 3 7 - 1 1 3 4 4 - 4 3 - 0 1 3 1 3 - 1 3 - 9 1 0 1 0 2 - 1 8 - 8 1 3 4 1 0 - 0 1 - 0 TT T T T T T T T ug / l u g / l u g / l u g / l u g / l u g / l u g / l u g / l u g / l Sa m p l e N a m e S a m p l e I D S a m p l e D a t e Po r e w a t e r AB - 1 0 S 2 0 1 5 0 2 2 1 4 3 6 / 2 6 / 2 0 1 5 1 8 3 2 8 . 5 0 . 0 0 6 J + 7 1 4 0 6 8 8 1 0 5 0 1 U J 0 . 5 U 0 . 5 U AB - 1 0 S L 2 0 1 5 0 2 2 1 4 2 6 / 2 6 / 2 0 1 5 0 . 6 5 4 7 . 5 4 0 . 6 7 8 1 4 3 7 1 . 3 1 9 4 2 0 2 0 . 8 0 2 0 . 3 8 8 AB - 2 5 S 2 0 1 5 0 2 2 1 4 9 6 / 2 6 / 2 0 1 5 5 4 . 2 4 3 . 2 0 . 0 2 3 J + 1 7 2 0 U 7 9 . 2 1 U J 0 . 4 8 5 0 . 5 U An a l y t e CA S R N Fr a c t i o n Re s u l t U n i t Page 1 of 1 Ta b l e 7 - 7 . P o r e w a t e r R a d i o l o g i c a l T e s t i n g R e s u l t s Ra d i u m - 2 2 6 R a d i u m - 2 2 8 U r a n i u m , N a t u r a l U R A N I U M - 2 3 3 U R A N I U M - 2 3 4 U R A N I U M - 2 3 6 13 9 8 2 - 6 3 - 3 1 5 2 6 2 - 2 0 - 1 7 4 4 0 - 6 1 - 1 1 3 9 6 8 - 5 5 - 3 1 3 9 6 6 - 2 9 - 5 1 3 9 8 2 - 7 0 - 2 TT T T T T pC i / L p C i / L u g / m L u g / m L u g / m L u g / m L Sa m p l e N a m e S a m p l e I D S a m p l e D a t e Po r e w a t e r AB - 1 0 S 2 0 1 5 0 2 1 5 4 5 6 / 2 6 / 2 0 1 5 1 . 0 7 3 U 0 . 0 0 1 6 6 0 . 0 0 0 0 5 U 0 . 0 0 0 0 5 U 0 . 0 0 0 0 5 U AB - 1 0 S L 2 0 1 5 0 2 1 5 4 4 6 / 2 6 / 2 0 1 5 1 . 4 7 3 U 0 . 0 0 1 9 1 0 . 0 0 0 0 5 U 0 . 0 0 0 0 5 U 0 . 0 0 0 0 5 U AB - 2 5 S 2 0 1 5 0 2 1 5 2 2 6 / 2 6 / 2 0 1 5 1 . 5 8 3 U 0 . 0 0 3 4 3 0 . 0 0 0 0 5 U 0 . 0 0 0 0 5 U 0 . 0 0 0 0 5 U An a l y t e CA S R N Fr a c t i o n Re s u l t U n i t Page 1 of 1 Ta b l e 7 - 8 . A s h S a m p l e S P L P R e s u l t s Al u m i n u m A n t i m o n y Ar s e n i c Ba r i u m B e r y l l i u m B o r o n C a d m i u m C h r o m i u m C o b a l t C o p p e r I r o n L e a d M a n g a n e s e 74 2 9 - 9 0 - 5 74 4 0 - 3 6 - 0 7 4 4 0 - 3 8 - 2 7 4 4 0 - 3 9 - 3 7 4 4 0 - 4 1 - 7 7 4 4 0 - 4 2 - 8 7 4 4 0 - 4 3 - 9 7 4 4 0 - 4 7 - 3 7 4 4 0 - 4 8 - 4 7440-50-8 7 4 3 9 - 8 9 - 6 7439-92-1 7 4 3 9 - 9 6 - 5 TT T T T T T T T T T T T ug / l u g / l u g / l u g / l u g / l u g / l u g / l u g / l u g / l u g / l u g / l u g / l u g / l NS N S 1 0 7 0 0 N S 7 0 0 2 1 0 N S 1 0 0 0 3 0 0 1 5 5 0 NS 1 N S N S 4 N S N S N S 1 N S N S N S N S Sa m p l e N a m e S a m p l e I D S a m p l e D a t e AB - 1 0 D ( 2 0 - 2 1 . 5 ) 2 0 1 5 0 1 5 5 1 7 S P L P 5 / 1 6 / 2 0 1 5 1 1 9 0 1. 6 5 8 . 8 19 7 0 . 2 4 6 5 . 1 0 . 0 3 J 6 . 6 0 . 7 8 5 . 3 388 1.6 40.8 AB - 1 5 D ( 2 4 . 0 - 2 6 . 0 ) 9 2 2 5 5 7 8 7 0 0 1 6 / 2 2 / 2 0 1 5 1 1 2 0 3. 9 J 1 3 8 13 6 2 U 4 7 . 8 J 0 . 8 U 7 . 2 5 U 1 4 . 6 669 3.9 10.8 AB - 2 5 B R ( 0 - 2 ) 2 0 1 5 0 1 7 0 7 0 S P L P 5 / 2 8 / 2 0 1 5 6 2 0 0 0 . 8 1 15 . 8 23 0 0 . 5 7 5 4 . 3 0 . 1 5 12 . 3 3 . 9 9 NA 5 . 8 139 AB - 3 5 B R ( 1 8 - 1 9 . 5 ) 2 0 1 5 0 2 0 0 4 8 S P L P 6 / 1 0 / 2 0 1 5 1 5 5 0 2. 7 7 5 . 7 23 7 0 . 4 3 7 3 . 9 0 . 0 4 7 J 13 . 1 1 . 1 9.8 849 1.9 20.1 AB - 3 5 B R ( 2 0 - 2 1 . 5 ) 2 0 1 5 0 2 0 0 4 9 S P L P 6 / 1 0 / 2 0 1 5 2 6 6 0 3. 3 3 8 . 4 19 9 0 . 2 6 7 2 . 6 0 . 0 3 J 7 . 2 1.1 5.9 3270 2.1 66.1 AB - 5 D ( 2 0 - 2 1 . 5 ) 2 0 1 5 0 1 8 0 1 2 S P L P 6 / 2 / 2 0 1 5 3 7 1 0 5. 9 1 4 4 28 4 1 . 1 6 8 . 3 0 . 2 2 21 . 7 3 . 3 27.1 1350 7.4 25.2 AS - 8 B R ( 1 9 - 2 1 ) 2 0 1 5 0 1 2 0 2 7 S P L P 4 / 1 4 / 2 0 1 5 1 6 7 0 5. 8 5 2 . 6 22 4 0 . 1 5 J 1 5 6 0 . 0 8 U 2 . 4 0 . 8 5 6 . 6 1350 1.6 56.7 MW - 3 0 1 B R ( 3 - 4 ) 2 0 1 5 0 0 9 4 2 3 S P L P 4 / 1 / 2 0 1 5 1 2 3 0 2. 4 1 3 9 17 7 0 . 2 7 8 2 . 3 0 . 0 7 1 J 3 . 4 J + 0 . 7 7 4 . 8 J + 380 J+1.8 J+ 8 . 6 J + MW - 3 0 3 B R ( 7 5 - 7 6 . 5 ) 2 0 1 5 0 1 0 6 0 4 S P L P 4 / 8 / 2 0 1 5 2 2 9 0 11 . 6 3 9 . 4 27 4 0 . 2 1 1 0 7 0 . 0 3 2 J 4 . 4 0 . 6 8 5 . 2 1330 1.4 22.6 MW - 3 0 6 B R ( 7 0 - 7 1 . 5 ) 2 0 1 5 0 0 9 4 3 1 S P L P 3 / 2 5 / 2 0 1 5 4 2 9 0 0 0 . 5 U 8 . 7 10 8 0 4 . 5 73 . 7 0 . 4 6 35 . 4 8 9 . 5 100 40300 13.1 1890 MW - 3 0 8 B R ( 1 0 - 1 1 ) 2 0 1 5 0 1 3 1 9 5 S P L P 5 / 1 / 2 0 1 5 1 3 . 4 0 . 1 8 J 4 . 9 3 7 1 0 . 2 U 9 8 . 6 0 . 0 2 9 J 0 . 3 5 J 1.2 2.4 50 U 0 . 0 6 7 J 90 MW - 3 1 0 B R ( 2 0 - 2 1 . 5 ) 2 0 1 5 0 1 3 1 8 5 S P L P 4 / 2 9 / 2 0 1 5 9 1 5 2. 8 1 0 2 19 3 0 . 2 U 7 1 0 . 0 2 5 J 4 . 4 0 . 6 3 2 0 4 1 . 3 2 1 . 1 MW - 3 1 1 B R ( 3 4 - 3 6 ) 2 0 1 5 0 1 8 0 1 0 S P L P 6 / 4 / 2 0 1 5 5 6 9 0 0 1. 4 2 2 . 1 7 4 5 3 1 1 0 0 . 2 3 92 . 5 3 1 . 6 77.4 69900 26.2 1470 MW - 3 1 4 B R ( 3 0 - 3 1 . 5 ) 2 0 1 5 0 1 5 5 1 3 S P L P 5 / 1 3 / 2 0 1 5 3 0 2 0 2. 5 1 1 5 19 8 0 . 3 4 9 7 . 1 J + 0 . 0 3 2 J 9 . 3 0 . 8 8 J + 2300 2.5 J+ 1 4 . 4 J + MW - 3 1 5 B R ( 2 1 - 2 2 . 5 ) 2 0 1 5 0 1 3 1 7 7 S P L P 4 / 2 3 / 2 0 1 5 6 3 3 0 2. 4 1 6 . 8 28 7 0 . 2 5 6 7 . 9 0 . 0 8 U 6 . 7 1.5 7.6 3810 2.7 86.2 MW - 3 1 7 B R ( 5 - 7 ) 2 0 1 5 0 1 3 1 8 8 S P L P 4 / 2 8 / 2 0 1 5 2 3 3 0 2. 5 8. 6 1 9 8 0 . 1 4 J 7 1 . 8 0 . 0 8 U 3 . 3 0 . 5 U J 3 . 5 1270 0.92 15.8 MW - 3 1 8 D ( 1 9 - 2 0 ) 2 0 1 5 0 1 4 2 3 7 S P L P 5 / 5 / 2 0 1 5 9 5 . 2 J + 16 7 5 . 3 20 0 0 . 2 U 1 6 0 0 . 0 8 U 0 . 8 9 J + 0 . 5 U 1 2 5 0 U 0 . 3 5 J + 1 1 . 6 J + Ge n e r a l N o t e s : ug / l - m i c r o g r a m s p e r l i t e r NA - N o t a n a l y z e d o r n o t r e p o r t e d b y a n a l y t i c a l l a b o r a t o r y T - T o t a l f r a c t i o n Co m p a r i s o n C r i t e r i a : Qu a l i f i e r N o t e s : U - - N o t d e t e c t e d a b o v e t h e r e p o r t i n g d e t e c t i o n l i m i t . J - - E s t i m a t e d C o n c e n t r a t i o n J+ - - E s t i m a t e d c o n c e n t r a t i o n , b i a s e d h i g h . J- - - E s t i m a t e d c o n c e n t r a t i o n , b i a s e d l o w . *N O T E : T h e I M A C v a l u e i s s h o w n w h e r e t h e r e i s n o a p p l i c a b l e 0 2 L st a n d a r d . A p p e n d i x # 1 o f 1 5 A N C A C S u b c h a p t e r 0 2 L Cl a s s i f i c a t i o n s an d W a t e r Q u a l i t y S t a n d a r d s A p p l i c a b l e t o t h e G r o u n d w a t e r s o f N o r t h Ca r o l i n a , l i s t s I n t e r i m M a x i m u m A l l o w a b l e C o n c e n t r a t i o n s ( I M A C s ) . T h e IM A C s w e r e i s s u e d i n 2 0 1 0 a n d 2 0 1 1 , h o w e v e r N C D E N R h a s n o t es t a b l i s h e d a 0 2 L s t a n d a r d f o r t h e s e c o n s t i t u e n t s a s d e s c r i b e d i n 1 5 A NC A C 0 2 L . 0 2 0 2 ( c ) . F o r t h i s r e a s o n , I M A C s a r e n o t e d i n t h i s r e p o r t f o r re f e r e n c e o n l y . IM A C * NS - N o a p p l i c a b l e s t a n d a r d f o r t h i s p a r a m e t e r sh a d i n g + b o l d - i n d i c a t e s e x c e e d a n c e o f N C 2 L o r I M A C Cr i t e r i a . No r t h C a r o l i n a D e p a r t m e n t o f E n v i r o n m e n t a n d N a t u r a l Re s o u r c e s D i v i s i o n o f W a t e r R e s o u r c e s 0 2 L G r o u n d w a t e r Qu a l i t y S t a n d a r d s a n d I n t e r i m M a x i m u m A l l o w a b l e Co n c e n t r a t i o n s ( I M A C s ) . A p r i l 2 0 1 3 An a l y t e CA S R N Fr a c t i o n Re s u l t U n i t 15 A N C A C 0 2 L S T A N D A R D Page 1 of 2 Ta b l e 7 - 8 . A s h S a m p l e S P L P R e s u l t s Sa m p l e N a m e S a m p l e I D S a m p l e D a t e AB - 1 0 D ( 2 0 - 2 1 . 5 ) 2 0 1 5 0 1 5 5 1 7 S P L P 5 / 1 6 / 2 0 1 5 AB - 1 5 D ( 2 4 . 0 - 2 6 . 0 ) 9 2 2 5 5 7 8 7 0 0 1 6 / 2 2 / 2 0 1 5 AB - 2 5 B R ( 0 - 2 ) 2 0 1 5 0 1 7 0 7 0 S P L P 5 / 2 8 / 2 0 1 5 AB - 3 5 B R ( 1 8 - 1 9 . 5 ) 2 0 1 5 0 2 0 0 4 8 S P L P 6 / 1 0 / 2 0 1 5 AB - 3 5 B R ( 2 0 - 2 1 . 5 ) 2 0 1 5 0 2 0 0 4 9 S P L P 6 / 1 0 / 2 0 1 5 AB - 5 D ( 2 0 - 2 1 . 5 ) 2 0 1 5 0 1 8 0 1 2 S P L P 6 / 2 / 2 0 1 5 AS - 8 B R ( 1 9 - 2 1 ) 2 0 1 5 0 1 2 0 2 7 S P L P 4 / 1 4 / 2 0 1 5 MW - 3 0 1 B R ( 3 - 4 ) 2 0 1 5 0 0 9 4 2 3 S P L P 4 / 1 / 2 0 1 5 MW - 3 0 3 B R ( 7 5 - 7 6 . 5 ) 2 0 1 5 0 1 0 6 0 4 S P L P 4 / 8 / 2 0 1 5 MW - 3 0 6 B R ( 7 0 - 7 1 . 5 ) 2 0 1 5 0 0 9 4 3 1 S P L P 3 / 2 5 / 2 0 1 5 MW - 3 0 8 B R ( 1 0 - 1 1 ) 2 0 1 5 0 1 3 1 9 5 S P L P 5 / 1 / 2 0 1 5 MW - 3 1 0 B R ( 2 0 - 2 1 . 5 ) 2 0 1 5 0 1 3 1 8 5 S P L P 4 / 2 9 / 2 0 1 5 MW - 3 1 1 B R ( 3 4 - 3 6 ) 2 0 1 5 0 1 8 0 1 0 S P L P 6 / 4 / 2 0 1 5 MW - 3 1 4 B R ( 3 0 - 3 1 . 5 ) 2 0 1 5 0 1 5 5 1 3 S P L P 5 / 1 3 / 2 0 1 5 MW - 3 1 5 B R ( 2 1 - 2 2 . 5 ) 2 0 1 5 0 1 3 1 7 7 S P L P 4 / 2 3 / 2 0 1 5 MW - 3 1 7 B R ( 5 - 7 ) 2 0 1 5 0 1 3 1 8 8 S P L P 4 / 2 8 / 2 0 1 5 MW - 3 1 8 D ( 1 9 - 2 0 ) 2 0 1 5 0 1 4 2 3 7 S P L P 5 / 5 / 2 0 1 5 Ge n e r a l N o t e s : ug / l - m i c r o g r a m s p e r l i t e r NA - N o t a n a l y z e d o r n o t r e p o r t e d b y a n a l y t i c a l l a b o r a t o r y T - T o t a l f r a c t i o n Co m p a r i s o n C r i t e r i a : Qu a l i f i e r N o t e s : U - - N o t d e t e c t e d a b o v e t h e r e p o r t i n g d e t e c t i o n l i m i t . J - - E s t i m a t e d C o n c e n t r a t i o n J+ - - E s t i m a t e d c o n c e n t r a t i o n , b i a s e d h i g h . J- - - E s t i m a t e d c o n c e n t r a t i o n , b i a s e d l o w . *N O T E : T h e I M A C v a l u e i s s h o w n w h e r e t h e r e i s n o a p p l i c a b l e 0 2 L st a n d a r d . A p p e n d i x # 1 o f 1 5 A N C A C S u b c h a p t e r 0 2 L Cl a s s i f i c a t i o n s an d W a t e r Q u a l i t y S t a n d a r d s A p p l i c a b l e t o t h e G r o u n d w a t e r s o f N o r t h Ca r o l i n a , l i s t s I n t e r i m M a x i m u m A l l o w a b l e C o n c e n t r a t i o n s ( I M A C s ) . T h e IM A C s w e r e i s s u e d i n 2 0 1 0 a n d 2 0 1 1 , h o w e v e r N C D E N R h a s n o t es t a b l i s h e d a 0 2 L s t a n d a r d f o r t h e s e c o n s t i t u e n t s a s d e s c r i b e d i n 1 5 A NC A C 0 2 L . 0 2 0 2 ( c ) . F o r t h i s r e a s o n , I M A C s a r e n o t e d i n t h i s r e p o r t f o r re f e r e n c e o n l y . IM A C * NS - N o a p p l i c a b l e s t a n d a r d f o r t h i s p a r a m e t e r sh a d i n g + b o l d - i n d i c a t e s e x c e e d a n c e o f N C 2 L o r I M A C Cr i t e r i a . No r t h C a r o l i n a D e p a r t m e n t o f E n v i r o n m e n t a n d N a t u r a l Re s o u r c e s D i v i s i o n o f W a t e r R e s o u r c e s 0 2 L G r o u n d w a t e r Qu a l i t y S t a n d a r d s a n d I n t e r i m M a x i m u m A l l o w a b l e Co n c e n t r a t i o n s ( I M A C s ) . A p r i l 2 0 1 3 An a l y t e CA S R N Fr a c t i o n Re s u l t U n i t 15 A N C A C 0 2 L S T A N D A R D Me r c u r y Mo l y b d e n u m N i c k e l S e l e n i u m S t r o n t i u m T h a l l i u m V an a d i u m Z i n c C a l c i u m M a g n e s i u m P o t a s s i u m S o d i u m 74 3 9 - 9 7 - 6 74 3 9 - 9 8 - 7 7 4 4 0 - 0 2 - 0 7 7 8 2 - 4 9 - 2 7 4 4 0 - 2 4 - 6 74 4 0 - 2 8 - 0 7 4 4 0 - 6 2 - 2 7 4 4 0 - 6 6 - 6 7440-70-2 7 4 3 9 - 9 5 - 4 7440-09-7 7 4 4 0 - 2 3 - 5 TT T T T T T T T T T T ug / l u g / l u g / l u g / l u g / l u g / l u g / l u g / l u g / l u g / l u g / l u g / l 1 N S 1 0 0 2 0 N S N S N S 1 0 0 0 N S N S N S N S NS N S N S N S N S 0 . 2 0 . 3 N S N S N S N S N S 0. 2 U 2 . 2 2 . 3 6 . 8 1 2 4 0 . 1 4 74 . 2 56 4 5 4 0 3 7 8 3 3 8 1 7 0 0 0. 2 U 5 U 2 . 5 J 38 . 1 12 2 0 . 1 7 J 88 . 2 50 U 6 2 6 0 6 4 9 3 1 5 J 9 6 9 0 J + 0. 0 3 8 J 4 6 . 2 4 . 2 3 5 . 3 J + 0. 3 2 2 5 . 7 83 . 9 1 0 1 0 4 2 4 3 7 1 0 3 9 7 0. 0 6 J + 1 . 6 3 . 4 1 7 . 2 1 2 3 0. 2 2 6 2 . 5 36 . 3 5 3 1 0 5 0 9 4 5 5 1 9 1 0 0. 0 4 6 J 1 4 . 1 3 . 6 6 . 3 6 1 . 2 0 . 0 7 5 J 32 . 2 43 3 6 6 0 9 9 3 7 6 3 2 1 8 0 0. 2 U 2 9 . 5 21 . 4 19 6 0. 5 8 1 7 8 28 . 7 9 6 5 0 6 3 0 6 0 8 1 6 5 0 0. 2 U 1 4 . 5 2 . 3 6 . 2 1 6 6 0 . 0 6 3 J 14 . 7 51 . 5 4 3 9 0 7 9 2 1 0 3 0 2 2 4 0 0. 2 U 4 J + 2 . 1 J + 1 0 . 3 2 0 5 0 . 1 4 69 . 6 11 . 8 J 7 2 0 0 9 4 6 3 3 8 1 6 9 0 0. 2 U 3 6 . 5 2 1 4 2 5 4 0 . 0 6 1 J 55 . 9 42 . 1 4 2 6 0 8 9 7 1 0 1 0 2 0 7 0 0. 6 U 0 . 4 9 J + 4 7 . 4 2 . 4 3 0 6 0. 2 1 2 9 . 6 30 7 J + 1 4 9 0 0 1 7 1 0 0 5 0 2 0 2 0 4 0 0. 2 U 0 . 5 U 1 . 9 0 . 5 5 1 0 1 0 . 0 8 7 J 1 U 1 0 7 1 5 5 0 3 5 8 2 0 7 0 7 3 1 0. 2 U 2 . 4 1 . 8 4 . 6 1 8 7 0 . 0 8 5 J 79 . 1 37 7 4 9 0 3 9 4 3 1 5 1 4 7 0 0. 0 3 6 J 1 6 . 5 4 9 . 2 3 . 2 1 3 4 0. 7 4 2 3 2 21 3 5 3 4 0 5 7 5 0 4 8 7 0 2 1 7 0 0. 2 U 4 . 6 2 . 9 7 . 3 2 3 8 0. 2 2 1 6 7 18 . 9 8 1 3 0 8 9 3 4 6 3 J + 1 4 7 0 0. 2 U 6 . 3 3 . 8 6 . 9 1 5 3 0 . 0 9 J 20 45 . 8 5 9 5 0 1 2 4 0 1 3 7 0 1 4 6 0 0. 2 U 3 . 4 1 . 3 1 . 5 1 0 8 0 . 1 2 7. 2 38 . 5 4 4 7 0 1 2 0 0 2 9 1 0 2 4 6 0 0. 2 U 2 8 . 2 0 . 9 5 J + 5 . 1 3 1 2 0 . 1 U 61 . 8 43 . 6 1 2 9 0 0 7 5 0 5 2 2 J + 2 6 4 0 Page 2 of 2 Ta b l e 7 - 9 . N C D E N R M a r c h 2 0 1 4 S a m p l i n g R e s u l t s No r t h C a r o l i n a D e p a r t m e n t o f E n v i r o n m e n t a n d N a t u r a l R e s o u r c e s ( N C D E N R ) I d e n t i f i e d S e e p s - E x c e e d a n c e s o f A p p r o p r i a t e W a t e r Q u a li t y S t a n d a r d s Pl a n t N a m e NC D E N R R e g i o n a l Of f i c e T a b l e S a m p l e I D Di v i s i o n o f W a t e r Re s o u r c e s L a b Nu m b e r La t i t u d e ( ° ) Lo n g i t u d e (° ) Ap p r o p r i a t e W a t e r Qu a l i t y S t a n d a r d Te m p . (° C ) pH ( S U ) Di s s o l v e d Ox y g e n (m g / L ) Di s s o l v e d Ox y g e n ( % Sa t u r a t i o n ) Specific Conductance (µԼ /cm)Turbidity (NTU)ORP (mV) GW - 2 L N E 6 . 5 - 8 . 5 N E N E N E N E N E SW - 2 B ( C l a s s W S ) N E 6 . 0 - 9 . 0 > 6 . 0 N E N E N E N E Da n R i v e r N P D E S O u t f a l l 0 0 2 A C 0 6 1 8 1 3 6 . 4 9 1 8 0 0 - 7 9 . 7 1 1 3 1 0 S W 8 . 4 7 . 7 6 1 1 N / A 2 7 8 N / A N / A Da n R i v e r I N F S W 0 0 9 A C 0 6 1 8 2 3 6 . 4 8 6 6 8 5 - 7 9 . 7 1 8 7 1 3 S W 1 4 . 5 7 . 0 6 2 N/A 6 1 9 N / A N / A Da n R i v e r S W 0 0 9 A # 2 1 6 5 A C 0 6 1 8 3 3 6 . 4 8 6 2 9 4 - 7 9 . 7 1 8 7 6 2 1 4 7 . 3 9 . 7 N / A 1 0 5 N / A N / A Da n R i v e r NP D E S 0 0 1 , S W 0 2 1 , o l d NP D E S 0 0 5 ( O U T 0 0 1 ) AC 0 6 1 8 4 3 6 . 4 8 5 8 9 5 - 7 9 . 7 2 0 3 4 9 S W 2 1 . 9 7 . 6 6 7 . 9 6 N / A 4 1 4 N / A N / A Da n R i v e r N P D E S 0 0 4 a n d S W 2 A C 0 6 1 8 5 3 6 . 4 8 6 6 5 1 - 7 9 . 7 2 2 0 4 6 S W 1 0 . 1 7 . 5 1 0 . 3 1 N / A 1 5 7 N / A N / A Da n R i v e r o l d N P D E S 0 0 6 A C 0 6 1 8 6 3 6 . 4 8 6 7 5 0 - 7 9 . 7 2 1 4 2 9 G W 1 0 . 4 7 . 4 7 1 0 . 9 8 N / A 1 5 7 N / A N / A Da n R i v e r C C S W 0 0 2 O U T A C 0 6 1 8 7 3 6 . 4 9 0 3 3 1 - 7 9 . 7 1 8 5 8 0 G W 7 . 2 7 . 3 1 0 . 5 N / A 3 6 0 N / A N / A Da n R i v e r C C S W 0 0 1 A C 0 6 1 8 8 3 6 . 4 8 8 4 1 5 - 7 9 . 7 2 3 2 5 7 G W 1 0 . 9 7 . 3 1 0 . 3 N / A 4 7 0 N / A N / A Da n R i v e r DR R C 0 0 1 ( a l s o CC S W 0 0 2 O U T 4 8 ) AC 0 6 8 4 7 3 6 . 4 9 0 0 6 1 - 7 9 . 7 1 8 1 8 2 G W 5 . 9 6. 3 1 10 . 9 8 N / A 2 3 5 . 3 N / A N / A No t e s : 1 . R e s u l t s f r o m N o r t h C a r o l i n a D i v i s i o n o f W a t e r Q u a l i t y , N C D i v i s i o n o f W a t e r R e s o u r c e s , a n d P a c e A n a l y t i c a l L a b o r a t o r y , I n c , f r o m s a m p l e s c o l l e c t e d b y N C D E N R i n M a r c h 2 0 1 4 2 . S W - 2 B ( C l a s s W S ) r e f e r s t o t h e C l a s s W S s t a n d a r d s f o u n d i n 1 5 A N C A C 2 B . 0 2 0 0 S u r f a c e W a t e r a n d W e t l a n d s S t a n d a r d s l a s t a m e n d e d J a n u a r y 1 s t , 2 0 1 5 3 . N E i n d i c a t e s t h a t a s t a n d a r d h a s n o t b e e n e s t a b l i s h e d f o r t h a t p a r a m e t e r 4 . N / A m e a n s t h a t t h e c o n s t i t u e n t w a s n o t a n a l y z e d a t t h a t s e e p 5 . H i g h l i g h t e d c e l l s s i g n i f y a n e x c e e d a n c e o f a 2 L o r 2 B s t a n d a r d ; t h e c o l o r c o r r e s p o n d s w i t h t h e r e l e v a n t s t a n d a r d L a b o r a t o r y , I n c , f r o m s a m p l e s c o l l e c t e d b y N C D E N R i n m i d - M a r c h 2 0 1 4 7 . T e m p e r a t u r e r e p o r t e d i n d e g r e e s c e n t i g r a d e 8 . p H r e p o r t e d i n s t a n d a r d u n i t s ( S U ) 9 . Լ i n d i c a t e s t h e u n i t " m h o " t h e r e c i p r o c a l o f o h m 10 . N T U i n d i c a t e s N e p h a l o m e t r i c T u r b i d i t y U n i t s 11 . m V i n d i c a t e s m i l l i v o l t s 12 . g p m s i g n i f i e s g a l l o n s p e r m i n u t e 13 . G W - 2 L r e f e r s t o t h e C l a s s G A s t a n d a r d s f o u n d i n 1 5 A N C A C 0 2 L . 0 2 0 2 G r o u n d w a t e r Q u a l i t y S t a n d a r d s , l a s t a m e n d e d A p r i l 1 s t , 2 0 1 3 14 . " < " i n d i c a t e s a s a m p l e l e s s t h a n t h e l a b o r a t o r y p r a c i t i c a l q u a n t i t a t i o n ( P Q L ) l i m i t 15 . P i n d i c a t e s a n e l e v a t e d P Q L d u e t o m a t r i x i n t e r f e r e n c e o r d i l u t i o n f a c t o r n o t e q u a l t o o n e 16 . J 2 i n d i c a t e s t h a t t h e r e p o r t e d v a l u e i s e s t i m a t e d a s i t d i d n o t m e e t r e l e v a n t q u a l i t y c o n t r o l s f o r p r e c i s i o n o r a c c u r a c y 17 . J 3 i n d i c a t e s t h a t t h e r e p o r t e d v a l u e i s e s t i m a t e d a s t h e s a m p l e m a t r i x i n t e r f e r e d w i t h a c c u r a t e d e t e r m i n a t i o n Page 1 of 5 Ta b l e 7 - 9 . N C D E N R M a r c h 2 0 1 4 S a m p l i n g R e s u l t s No r t h C a r o l i n a D e p a r t m e n t o f E n v i r o n m e n t a n d N a t u r a l R e s o u r c e s ( N C D E N R ) I d e n t i f i e d S e e p s - E x c e e d a n c e s o f A p p r o p r i a t e W a t e r Q u a li t Pl a n t N a m e NC D E N R R e g i o n a l Of f i c e T a b l e S a m p l e I D Di v i s i o n o f W a t e r Re s o u r c e s L a b Nu m b e r La t i t u d e ( ° ) Lo n g i t u d e (° ) Ap p r o p r i a t e W a t e r Qu a l i t y S t a n d a r d GW - 2 L SW - 2 B ( C l a s s W S ) Da n R i v e r N P D E S O u t f a l l 0 0 2 A C 0 6 1 8 1 3 6 . 4 9 1 8 0 0 - 7 9 . 7 1 1 3 1 0 S W Da n R i v e r I N F S W 0 0 9 A C 0 6 1 8 2 3 6 . 4 8 6 6 8 5 - 7 9 . 7 1 8 7 1 3 S W Da n R i v e r S W 0 0 9 A # 2 1 6 5 A C 0 6 1 8 3 3 6 . 4 8 6 2 9 4 - 7 9 . 7 1 8 7 6 2 Da n R i v e r NP D E S 0 0 1 , S W 0 2 1 , o l d NP D E S 0 0 5 ( O U T 0 0 1 ) AC 0 6 1 8 4 3 6 . 4 8 5 8 9 5 - 7 9 . 7 2 0 3 4 9 S W Da n R i v e r N P D E S 0 0 4 a n d S W 2 A C 0 6 1 8 5 3 6 . 4 8 6 6 5 1 - 7 9 . 7 2 2 0 4 6 S W Da n R i v e r o l d N P D E S 0 0 6 A C 0 6 1 8 6 3 6 . 4 8 6 7 5 0 - 7 9 . 7 2 1 4 2 9 G W Da n R i v e r C C S W 0 0 2 O U T A C 0 6 1 8 7 3 6 . 4 9 0 3 3 1 - 7 9 . 7 1 8 5 8 0 G W Da n R i v e r C C S W 0 0 1 A C 0 6 1 8 8 3 6 . 4 8 8 4 1 5 - 7 9 . 7 2 3 2 5 7 G W Da n R i v e r DR R C 0 0 1 ( a l s o CC S W 0 0 2 O U T 4 8 ) AC 0 6 8 4 7 3 6 . 4 9 0 0 6 1 - 7 9 . 7 1 8 1 8 2 G W No t e s : 1 . R e s u l t s f r o m N o r t h C a r o l i n a D i v i s i o n o f W a t e r Q u a l i t y , N C D i v i s i o n o f W a t e r R e s o u r c e s , a n d P a c e A n a l y t i c a l L a b o r a t o r y , I n c , f r o m s a m p l e s c o l l e c t e d b y N C D E N R i n M a r c h 2 0 1 4 2 . S W - 2 B ( C l a s s W S ) r e f e r s t o t h e C l a s s W S s t a n d a r d s f o u n d i n 1 5 A N C A C 2 B . 0 2 0 0 S u r f a c e W a t e r a n d W e t l a n d s S t a n d a r d s l a s t a m e n d e d J a n u a r y 1 s t , 2 0 1 5 3 . N E i n d i c a t e s t h a t a s t a n d a r d h a s n o t b e e n e s t a b l i s h e d f o r t h a t p a r a m e t e r 4 . N / A m e a n s t h a t t h e c o n s t i t u e n t w a s n o t a n a l y z e d a t t h a t s e e p 5 . H i g h l i g h t e d c e l l s s i g n i f y a n e x c e e d a n c e o f a 2 L o r 2 B s t a n d a r d ; t h e c o l o r c o r r e s p o n d s w i t h t h e r e l e v a n t s t a n d a r d L a b o r a t o r y , I n c , f r o m s a m p l e s c o l l e c t e d b y N C D E N R i n m i d - M a r c h 2 0 1 4 7 . T e m p e r a t u r e r e p o r t e d i n d e g r e e s c e n t i g r a d e 8 . p H r e p o r t e d i n s t a n d a r d u n i t s ( S U ) 9 . Լ i n d i c a t e s t h e u n i t " m h o " t h e r e c i p r o c a l o f o h m 10 . N T U i n d i c a t e s N e p h a l o m e t r i c T u r b i d i t y U n i t s 11 . m V i n d i c a t e s m i l l i v o l t s 12 . g p m s i g n i f i e s g a l l o n s p e r m i n u t e 13 . G W - 2 L r e f e r s t o t h e C l a s s G A s t a n d a r d s f o u n d i n 1 5 A N C A C 0 2 L . 0 2 0 2 G r o u n d w a t e r Q u a l i t y S t a n d a r d s , l a s t a m e n d e d A p r i l 1 s t , 2 0 1 3 14 . " < " i n d i c a t e s a s a m p l e l e s s t h a n t h e l a b o r a t o r y p r a c i t i c a l q u a n t i t a t i o n ( P Q L ) l i m i t 15 . P i n d i c a t e s a n e l e v a t e d P Q L d u e t o m a t r i x i n t e r f e r e n c e o r d i l u t i o n f a c t o r n o t e q u a l t o o n e 16 . J 2 i n d i c a t e s t h a t t h e r e p o r t e d v a l u e i s e s t i m a t e d a s i t d i d n o t m e e t r e l e v a n t q u a l i t y c o n t r o l s f o r p r e c i s i o n o r a c c u r a c y 17 . J 3 i n d i c a t e s t h a t t h e r e p o r t e d v a l u e i s e s t i m a t e d a s t h e s a m p l e m a t r i x i n t e r f e r e d w i t h a c c u r a t e d e t e r m i n a t i o n Fl o w ( g p m ) Aluminum (µg/L)Antimony (µg/L)Arsenic (µg/L)Barium (µg/L)Boron (µg/L)Bromide (mg/L) NE N E 1 1 0 7 0 0 7 0 0 N E NE 8 7 5 . 6 1 0 1 0 0 0 N E N E ba s e d o n r e p o r t e d d a i l y f l o w , ~ 2 0 0 - 3 0 0 g a l / m i n 290 < 10 13 110 1 8 0 N / A ~5 g a l / m i n 1200 < 10 150 83 6 0 0 < 2 . 0 ~ 5 g a l / m i n 1 4 0 0 < 1 0 1 5 0 7 3 9 7 0 N / A ba s e d o n r e p o r t e d d a i l y f l o w , ~ 4 0 0 - 5 0 0 g a l / m i n < 5 0 < 1 0 < 2 . 0 6 1 2 6 0 N / A N/ A 1000 < 10 < 2 . 0 3 9 < 5 0 N / A ~5 - 1 0 g a l / m i n 5 3 0 < 1 0 < 2 . 0 3 0 < 5 0 N / A ~5 g a l / m i n 1 4 0 0 < 1 0 < 2 . 0 5 4 1 1 0 N / A ~5 g a l / m i n 5 6 0 < 1 0 < 2 . 0 7 0 < 5 0 N / A 2- 3 g a l / m i n 1 8 0 < 1 0 < 2 . 0 5 9 2 0 0 < 1 . 0 Page 2 of 5 Ta b l e 7 - 9 . N C D E N R M a r c h 2 0 1 4 S a m p l i n g R e s u l t s No r t h C a r o l i n a D e p a r t m e n t o f E n v i r o n m e n t a n d N a t u r a l R e s o u r c e s ( N C D E N R ) I d e n t i f i e d S e e p s - E x c e e d a n c e s o f A p p r o p r i a t e W a t e r Q u a li t Pl a n t N a m e NC D E N R R e g i o n a l Of f i c e T a b l e S a m p l e I D Di v i s i o n o f W a t e r Re s o u r c e s L a b Nu m b e r La t i t u d e ( ° ) Lo n g i t u d e (° ) Ap p r o p r i a t e W a t e r Qu a l i t y S t a n d a r d GW - 2 L SW - 2 B ( C l a s s W S ) Da n R i v e r N P D E S O u t f a l l 0 0 2 A C 0 6 1 8 1 3 6 . 4 9 1 8 0 0 - 7 9 . 7 1 1 3 1 0 S W Da n R i v e r I N F S W 0 0 9 A C 0 6 1 8 2 3 6 . 4 8 6 6 8 5 - 7 9 . 7 1 8 7 1 3 S W Da n R i v e r S W 0 0 9 A # 2 1 6 5 A C 0 6 1 8 3 3 6 . 4 8 6 2 9 4 - 7 9 . 7 1 8 7 6 2 Da n R i v e r NP D E S 0 0 1 , S W 0 2 1 , o l d NP D E S 0 0 5 ( O U T 0 0 1 ) AC 0 6 1 8 4 3 6 . 4 8 5 8 9 5 - 7 9 . 7 2 0 3 4 9 S W Da n R i v e r N P D E S 0 0 4 a n d S W 2 A C 0 6 1 8 5 3 6 . 4 8 6 6 5 1 - 7 9 . 7 2 2 0 4 6 S W Da n R i v e r o l d N P D E S 0 0 6 A C 0 6 1 8 6 3 6 . 4 8 6 7 5 0 - 7 9 . 7 2 1 4 2 9 G W Da n R i v e r C C S W 0 0 2 O U T A C 0 6 1 8 7 3 6 . 4 9 0 3 3 1 - 7 9 . 7 1 8 5 8 0 G W Da n R i v e r C C S W 0 0 1 A C 0 6 1 8 8 3 6 . 4 8 8 4 1 5 - 7 9 . 7 2 3 2 5 7 G W Da n R i v e r DR R C 0 0 1 ( a l s o CC S W 0 0 2 O U T 4 8 ) AC 0 6 8 4 7 3 6 . 4 9 0 0 6 1 - 7 9 . 7 1 8 1 8 2 G W No t e s : 1 . R e s u l t s f r o m N o r t h C a r o l i n a D i v i s i o n o f W a t e r Q u a l i t y , N C D i v i s i o n o f W a t e r R e s o u r c e s , a n d P a c e A n a l y t i c a l L a b o r a t o r y , I n c , f r o m s a m p l e s c o l l e c t e d b y N C D E N R i n M a r c h 2 0 1 4 2 . S W - 2 B ( C l a s s W S ) r e f e r s t o t h e C l a s s W S s t a n d a r d s f o u n d i n 1 5 A N C A C 2 B . 0 2 0 0 S u r f a c e W a t e r a n d W e t l a n d s S t a n d a r d s l a s t a m e n d e d J a n u a r y 1 s t , 2 0 1 5 3 . N E i n d i c a t e s t h a t a s t a n d a r d h a s n o t b e e n e s t a b l i s h e d f o r t h a t p a r a m e t e r 4 . N / A m e a n s t h a t t h e c o n s t i t u e n t w a s n o t a n a l y z e d a t t h a t s e e p 5 . H i g h l i g h t e d c e l l s s i g n i f y a n e x c e e d a n c e o f a 2 L o r 2 B s t a n d a r d ; t h e c o l o r c o r r e s p o n d s w i t h t h e r e l e v a n t s t a n d a r d L a b o r a t o r y , I n c , f r o m s a m p l e s c o l l e c t e d b y N C D E N R i n m i d - M a r c h 2 0 1 4 7 . T e m p e r a t u r e r e p o r t e d i n d e g r e e s c e n t i g r a d e 8 . p H r e p o r t e d i n s t a n d a r d u n i t s ( S U ) 9 . Լ i n d i c a t e s t h e u n i t " m h o " t h e r e c i p r o c a l o f o h m 10 . N T U i n d i c a t e s N e p h a l o m e t r i c T u r b i d i t y U n i t s 11 . m V i n d i c a t e s m i l l i v o l t s 12 . g p m s i g n i f i e s g a l l o n s p e r m i n u t e 13 . G W - 2 L r e f e r s t o t h e C l a s s G A s t a n d a r d s f o u n d i n 1 5 A N C A C 0 2 L . 0 2 0 2 G r o u n d w a t e r Q u a l i t y S t a n d a r d s , l a s t a m e n d e d A p r i l 1 s t , 2 0 1 3 14 . " < " i n d i c a t e s a s a m p l e l e s s t h a n t h e l a b o r a t o r y p r a c i t i c a l q u a n t i t a t i o n ( P Q L ) l i m i t 15 . P i n d i c a t e s a n e l e v a t e d P Q L d u e t o m a t r i x i n t e r f e r e n c e o r d i l u t i o n f a c t o r n o t e q u a l t o o n e 16 . J 2 i n d i c a t e s t h a t t h e r e p o r t e d v a l u e i s e s t i m a t e d a s i t d i d n o t m e e t r e l e v a n t q u a l i t y c o n t r o l s f o r p r e c i s i o n o r a c c u r a c y 17 . J 3 i n d i c a t e s t h a t t h e r e p o r t e d v a l u e i s e s t i m a t e d a s t h e s a m p l e m a t r i x i n t e r f e r e d w i t h a c c u r a t e d e t e r m i n a t i o n Ca d m i u m (µ g / L ) Ca l c i u m (m g / L ) Ch l o r i d e (m g / L ) Chromium (µg/L)Copper (µg/L)Fluoride (mg/L)Iron (µg/L)Lead (µg/L)Magnesium (mg/L)Manganese (µg/L) 2 N E 2 5 0 1 0 1 0 0 0 2 3 0 0 1 5 N E 5 0 2 N E 2 5 0 5 0 7 1 . 8 N E 2 5 N E N E < 0 . 5 0 2 7 1 7 < 1 0 2 . 3 < 0 . 4 2 8 0 < 2 . 0 7 . 4 5 7 < 0 . 5 0 9 0 1 9 < 1 0 < 2 . 0 < 0 . 4 1 0 0 0 0 < 2 . 0 1 6 9 1 0 < 0 . 5 0 7 8 2 0 < 1 0 < 2 . 0 < 0 . 4 1 5 0 0 0 < 2 . 0 1 5 9 5 0 < 0 . 5 0 2 4 4 0 < 1 0 3 . 6 < 0 . 4 3 6 0 < 2 . 0 9 . 2 2 7 < 0 . 5 0 1 1 1 9 < 1 0 2 . 2 < 0 . 4 1 5 0 0 < 2 . 0 4 . 6 2 5 0 < 0 . 5 0 1 1 1 9 < 1 0 6 < 0 . 4 820 < 2.0 4 . 7 150 < 0 . 5 0 2 7 4 3 < 1 0 3 . 6 < 0 . 4 1900 < 2.0 7 . 1 160 < 0 . 5 0 4 7 1 1 0 < 1 0 2 < 0 . 4 700 < 2.0 4 . 3 76 < 0 . 5 0 1 3 1 2 < 1 0 < 2 . 0 < 0 . 4 6700 < 2.0 9 . 4 480 Page 3 of 5 Ta b l e 7 - 9 . N C D E N R M a r c h 2 0 1 4 S a m p l i n g R e s u l t s No r t h C a r o l i n a D e p a r t m e n t o f E n v i r o n m e n t a n d N a t u r a l R e s o u r c e s ( N C D E N R ) I d e n t i f i e d S e e p s - E x c e e d a n c e s o f A p p r o p r i a t e W a t e r Q u a li t Pl a n t N a m e NC D E N R R e g i o n a l Of f i c e T a b l e S a m p l e I D Di v i s i o n o f W a t e r Re s o u r c e s L a b Nu m b e r La t i t u d e ( ° ) Lo n g i t u d e (° ) Ap p r o p r i a t e W a t e r Qu a l i t y S t a n d a r d GW - 2 L SW - 2 B ( C l a s s W S ) Da n R i v e r N P D E S O u t f a l l 0 0 2 A C 0 6 1 8 1 3 6 . 4 9 1 8 0 0 - 7 9 . 7 1 1 3 1 0 S W Da n R i v e r I N F S W 0 0 9 A C 0 6 1 8 2 3 6 . 4 8 6 6 8 5 - 7 9 . 7 1 8 7 1 3 S W Da n R i v e r S W 0 0 9 A # 2 1 6 5 A C 0 6 1 8 3 3 6 . 4 8 6 2 9 4 - 7 9 . 7 1 8 7 6 2 Da n R i v e r NP D E S 0 0 1 , S W 0 2 1 , o l d NP D E S 0 0 5 ( O U T 0 0 1 ) AC 0 6 1 8 4 3 6 . 4 8 5 8 9 5 - 7 9 . 7 2 0 3 4 9 S W Da n R i v e r N P D E S 0 0 4 a n d S W 2 A C 0 6 1 8 5 3 6 . 4 8 6 6 5 1 - 7 9 . 7 2 2 0 4 6 S W Da n R i v e r o l d N P D E S 0 0 6 A C 0 6 1 8 6 3 6 . 4 8 6 7 5 0 - 7 9 . 7 2 1 4 2 9 G W Da n R i v e r C C S W 0 0 2 O U T A C 0 6 1 8 7 3 6 . 4 9 0 3 3 1 - 7 9 . 7 1 8 5 8 0 G W Da n R i v e r C C S W 0 0 1 A C 0 6 1 8 8 3 6 . 4 8 8 4 1 5 - 7 9 . 7 2 3 2 5 7 G W Da n R i v e r DR R C 0 0 1 ( a l s o CC S W 0 0 2 O U T 4 8 ) AC 0 6 8 4 7 3 6 . 4 9 0 0 6 1 - 7 9 . 7 1 8 1 8 2 G W No t e s : 1 . R e s u l t s f r o m N o r t h C a r o l i n a D i v i s i o n o f W a t e r Q u a l i t y , N C D i v i s i o n o f W a t e r R e s o u r c e s , a n d P a c e A n a l y t i c a l L a b o r a t o r y , I n c , f r o m s a m p l e s c o l l e c t e d b y N C D E N R i n M a r c h 2 0 1 4 2 . S W - 2 B ( C l a s s W S ) r e f e r s t o t h e C l a s s W S s t a n d a r d s f o u n d i n 1 5 A N C A C 2 B . 0 2 0 0 S u r f a c e W a t e r a n d W e t l a n d s S t a n d a r d s l a s t a m e n d e d J a n u a r y 1 s t , 2 0 1 5 3 . N E i n d i c a t e s t h a t a s t a n d a r d h a s n o t b e e n e s t a b l i s h e d f o r t h a t p a r a m e t e r 4 . N / A m e a n s t h a t t h e c o n s t i t u e n t w a s n o t a n a l y z e d a t t h a t s e e p 5 . H i g h l i g h t e d c e l l s s i g n i f y a n e x c e e d a n c e o f a 2 L o r 2 B s t a n d a r d ; t h e c o l o r c o r r e s p o n d s w i t h t h e r e l e v a n t s t a n d a r d L a b o r a t o r y , I n c , f r o m s a m p l e s c o l l e c t e d b y N C D E N R i n m i d - M a r c h 2 0 1 4 7 . T e m p e r a t u r e r e p o r t e d i n d e g r e e s c e n t i g r a d e 8 . p H r e p o r t e d i n s t a n d a r d u n i t s ( S U ) 9 . Լ i n d i c a t e s t h e u n i t " m h o " t h e r e c i p r o c a l o f o h m 10 . N T U i n d i c a t e s N e p h a l o m e t r i c T u r b i d i t y U n i t s 11 . m V i n d i c a t e s m i l l i v o l t s 12 . g p m s i g n i f i e s g a l l o n s p e r m i n u t e 13 . G W - 2 L r e f e r s t o t h e C l a s s G A s t a n d a r d s f o u n d i n 1 5 A N C A C 0 2 L . 0 2 0 2 G r o u n d w a t e r Q u a l i t y S t a n d a r d s , l a s t a m e n d e d A p r i l 1 s t , 2 0 1 3 14 . " < " i n d i c a t e s a s a m p l e l e s s t h a n t h e l a b o r a t o r y p r a c i t i c a l q u a n t i t a t i o n ( P Q L ) l i m i t 15 . P i n d i c a t e s a n e l e v a t e d P Q L d u e t o m a t r i x i n t e r f e r e n c e o r d i l u t i o n f a c t o r n o t e q u a l t o o n e 16 . J 2 i n d i c a t e s t h a t t h e r e p o r t e d v a l u e i s e s t i m a t e d a s i t d i d n o t m e e t r e l e v a n t q u a l i t y c o n t r o l s f o r p r e c i s i o n o r a c c u r a c y 17 . J 3 i n d i c a t e s t h a t t h e r e p o r t e d v a l u e i s e s t i m a t e d a s t h e s a m p l e m a t r i x i n t e r f e r e d w i t h a c c u r a t e d e t e r m i n a t i o n Mo l y b d e n u m (µ g / L ) Ni c k e l (µ g / L ) Po t a s s i u m (m g / L ) Selenium (µg/L)Sodium (mg/L)Strontium (µg/L)Sulfate (mg/L)Thallium (µg/L)TDS (mg/L)Zinc (µg/L)Alk (mg/L) NE 1 0 0 2 0 N E N E 2 5 0 0 . 2 5 0 0 1 N E NE 2 5 5 N E 1 4 0 0 0 2 5 0 0 . 2 4 5 0 0 0 . 0 5 N E 22 5 . 5 N / A < 5 . 0 N / A 3 5 0 6 8 < 2 . 0 1 5 8 16 N/A 46 2. 6 J 2 N/ A < 5 . 0 N / A 1 6 0 0 1 3 0 < 2 . 0 3 8 9 43 N/A 54 3 . 3 N / A < 5 . 0 N / A 1 5 0 0 1 3 0 < 2 . 0 3 6 2 4 9 N / A < 1 0 5 . 5 N / A < 5 . 0 N / A 1 4 0 7 1 < 2 . 0 2 7 6 23 N/A < 1 0 < 2 N / A < 5 . 0 N / A 8 9 1 7 < 2 . 0 1 0 4 < 1 0 N / A < 1 0 < 2 N / A < 5 . 0 N / A 8 5 1 8 < 2 . 0 9 4 < 1 0 N / A < 1 0 5 . 3 N / A < 5 . 0 N / A 1 4 0 7 5 < 2 . 0 2 4 1 24 N/A < 1 0 2 . 9 N / A < 5 . 0 N / A 2 7 0 2 6 < 2 . 0 2 9 4 49 N/A < 1 0 3 N / A < 5 . 0 N / A 1 8 0 6 8 < 2 . 0 1 5 5 < 1 0 N / A Page 4 of 5 Ta b l e 7 - 9 . N C D E N R M a r c h 2 0 1 4 S a m p l i n g R e s u l t s No r t h C a r o l i n a D e p a r t m e n t o f E n v i r o n m e n t a n d N a t u r a l R e s o u r c e s ( N C D E N R ) I d e n t i f i e d S e e p s - E x c e e d a n c e s o f A p p r o p r i a t e W a t e r Q u a li t Pl a n t N a m e NC D E N R R e g i o n a l Of f i c e T a b l e S a m p l e I D Di v i s i o n o f W a t e r Re s o u r c e s L a b Nu m b e r La t i t u d e ( ° ) Lo n g i t u d e (° ) Ap p r o p r i a t e W a t e r Qu a l i t y S t a n d a r d GW - 2 L SW - 2 B ( C l a s s W S ) Da n R i v e r N P D E S O u t f a l l 0 0 2 A C 0 6 1 8 1 3 6 . 4 9 1 8 0 0 - 7 9 . 7 1 1 3 1 0 S W Da n R i v e r I N F S W 0 0 9 A C 0 6 1 8 2 3 6 . 4 8 6 6 8 5 - 7 9 . 7 1 8 7 1 3 S W Da n R i v e r S W 0 0 9 A # 2 1 6 5 A C 0 6 1 8 3 3 6 . 4 8 6 2 9 4 - 7 9 . 7 1 8 7 6 2 Da n R i v e r NP D E S 0 0 1 , S W 0 2 1 , o l d NP D E S 0 0 5 ( O U T 0 0 1 ) AC 0 6 1 8 4 3 6 . 4 8 5 8 9 5 - 7 9 . 7 2 0 3 4 9 S W Da n R i v e r N P D E S 0 0 4 a n d S W 2 A C 0 6 1 8 5 3 6 . 4 8 6 6 5 1 - 7 9 . 7 2 2 0 4 6 S W Da n R i v e r o l d N P D E S 0 0 6 A C 0 6 1 8 6 3 6 . 4 8 6 7 5 0 - 7 9 . 7 2 1 4 2 9 G W Da n R i v e r C C S W 0 0 2 O U T A C 0 6 1 8 7 3 6 . 4 9 0 3 3 1 - 7 9 . 7 1 8 5 8 0 G W Da n R i v e r C C S W 0 0 1 A C 0 6 1 8 8 3 6 . 4 8 8 4 1 5 - 7 9 . 7 2 3 2 5 7 G W Da n R i v e r DR R C 0 0 1 ( a l s o CC S W 0 0 2 O U T 4 8 ) AC 0 6 8 4 7 3 6 . 4 9 0 0 6 1 - 7 9 . 7 1 8 1 8 2 G W No t e s : 1 . R e s u l t s f r o m N o r t h C a r o l i n a D i v i s i o n o f W a t e r Q u a l i t y , N C D i v i s i o n o f W a t e r R e s o u r c e s , a n d P a c e A n a l y t i c a l L a b o r a t o r y , I n c , f r o m s a m p l e s c o l l e c t e d b y N C D E N R i n M a r c h 2 0 1 4 2 . S W - 2 B ( C l a s s W S ) r e f e r s t o t h e C l a s s W S s t a n d a r d s f o u n d i n 1 5 A N C A C 2 B . 0 2 0 0 S u r f a c e W a t e r a n d W e t l a n d s S t a n d a r d s l a s t a m e n d e d J a n u a r y 1 s t , 2 0 1 5 3 . N E i n d i c a t e s t h a t a s t a n d a r d h a s n o t b e e n e s t a b l i s h e d f o r t h a t p a r a m e t e r 4 . N / A m e a n s t h a t t h e c o n s t i t u e n t w a s n o t a n a l y z e d a t t h a t s e e p 5 . H i g h l i g h t e d c e l l s s i g n i f y a n e x c e e d a n c e o f a 2 L o r 2 B s t a n d a r d ; t h e c o l o r c o r r e s p o n d s w i t h t h e r e l e v a n t s t a n d a r d L a b o r a t o r y , I n c , f r o m s a m p l e s c o l l e c t e d b y N C D E N R i n m i d - M a r c h 2 0 1 4 7 . T e m p e r a t u r e r e p o r t e d i n d e g r e e s c e n t i g r a d e 8 . p H r e p o r t e d i n s t a n d a r d u n i t s ( S U ) 9 . Լ i n d i c a t e s t h e u n i t " m h o " t h e r e c i p r o c a l o f o h m 10 . N T U i n d i c a t e s N e p h a l o m e t r i c T u r b i d i t y U n i t s 11 . m V i n d i c a t e s m i l l i v o l t s 12 . g p m s i g n i f i e s g a l l o n s p e r m i n u t e 13 . G W - 2 L r e f e r s t o t h e C l a s s G A s t a n d a r d s f o u n d i n 1 5 A N C A C 0 2 L . 0 2 0 2 G r o u n d w a t e r Q u a l i t y S t a n d a r d s , l a s t a m e n d e d A p r i l 1 s t , 2 0 1 3 14 . " < " i n d i c a t e s a s a m p l e l e s s t h a n t h e l a b o r a t o r y p r a c i t i c a l q u a n t i t a t i o n ( P Q L ) l i m i t 15 . P i n d i c a t e s a n e l e v a t e d P Q L d u e t o m a t r i x i n t e r f e r e n c e o r d i l u t i o n f a c t o r n o t e q u a l t o o n e 16 . J 2 i n d i c a t e s t h a t t h e r e p o r t e d v a l u e i s e s t i m a t e d a s i t d i d n o t m e e t r e l e v a n t q u a l i t y c o n t r o l s f o r p r e c i s i o n o r a c c u r a c y 17 . J 3 i n d i c a t e s t h a t t h e r e p o r t e d v a l u e i s e s t i m a t e d a s t h e s a m p l e m a t r i x i n t e r f e r e d w i t h a c c u r a t e d e t e r m i n a t i o n Bi c a r b (m g / L ) Ca r b o n a t e (m g / L ) NE N E NE N E N/ A N / A N/ A N / A N/ A N / A N/ A N / A N/ A N / A N/ A N / A N/ A N / A N/ A N / A N/ A N / A Page 5 of 5 Ta b l e 7 - 1 0 . 6H H S 6 am p l i n g R e s u l t s Al u m i n u m A l u m i n u m A n t i m o n y A n t i m o n y Ar s e n i c Ar s e n i c Ba r i u m Barium Boron Boron Beryllium 74 2 9 - 9 0 - 5 7 4 2 9 - 9 0 - 5 7 4 4 0 - 3 6 - 0 7 4 4 0 - 3 6 - 0 7 4 4 0 - 3 8 - 2 7 4 4 0 - 3 8 - 2 7 4 4 0 - 3 9 - 3 7 4 4 0 - 3 9 - 3 7 4 4 0 - 4 2 - 8 7 4 4 0 - 4 2 - 8 7 4 4 0 - 4 1 - 7 DT D T D T D T D T D ug / l ug / l ug / l ug / l ug / l ug / l ug/l ug/l ug/l ug/l ug/l NS NS 1 1 10 10 700 700 700 700 4 Sa m p l e N a m e S a m p l e I D S a m p l e D a t e CC S W 0 0 1 9 2 2 5 7 0 0 6 0 0 1 7 / 1 / 2 0 1 5 NA NA 0. 3 J 0. 2 4 J 0. 4 2 J 0. 3 5 J 27 33 50 U 28 J+0.2 U CC S W 0 0 2 9 2 2 5 7 0 0 6 0 0 3 7 / 1 / 2 0 1 5 NA NA 0. 5 U 0. 5 U 0. 2 J 0. 2 4 J 71 74 34 J 51 J+0.2 U DR R C 0 0 1 9 2 2 5 7 0 0 6 0 0 2 7 / 1 / 2 0 1 5 NA NA 0. 5 U 0. 5 U 0. 3 2 J 0. 3 5 J 50 53 130 130 J+0.2 U S- 1 20 1 5 0 1 6 4 1 4 5 / 2 7 / 2 0 1 5 5 U 34 1 0 1 U 1 U 1 U 1. 6 8 20 54 50 U 50 U 1 U Ge n e r a l N o t e s : ug / l - m i c r o g r a m s p e r l i t e r NA - N o t a n a l y z e d o r n o t r e p o r t e d b y a n a l y t i c a l l a b o r a t o r y Co m p a r i s o n C r i t e r i a : Qu a l i f i e r N o t e s : U - - N o t d e t e c t e d a b o v e t h e r e p o r t i n g d e t e c t i o n l i m i t . J - - E s t i m a t e d C o n c e n t r a t i o n J+ - - E s t i m a t e d c o n c e n t r a t i o n , b i a s e d h i g h . J- - - E s t i m a t e d c o n c e n t r a t i o n , b i a s e d l o w . bo l d - i n d i c a t e s e x c e e d a n c e o f N C 2 L o r I M A C C r i t e r i a . No r t h C a r o l i n a D e p a r t m e n t o f E n v i r o n m e n t a n d N a t u r a l Re s o u r c e s D i v i s i o n o f W a t e r R e s o u r c e s 0 2 L G r o u n d w a t e r Qu a l i t y S t a n d a r d s a n d I n t e r i m M a x i m u m A l l o w a b l e Co n c e n t r a t i o n s ( I M A C s ) . A p r i l 2 0 1 3 ** N O T E T h e I M A C i s v a l u e i s s h o w n w h e r e t h e r e i s n o ap p l i c a b l e 0 2 L s t a n d a r d . An a l y t e CA S R N Fr a c t i o n Re s u l t U n i t NC 2 L G r o u n d w a t e r + I M A C NS - N o a p p l i c a b l e s t a n d a r d f o r t h i s p a r a m e t e r Page 1 of 5 Ta b l e 7 - 1 0 . 6H H S Sa m p l i n g R e s u l t s Sa m p l e N a m e S a m p l e I D S a m p l e D a t e CC S W 0 0 1 9 2 2 5 7 0 0 6 0 0 1 7 / 1 / 2 0 1 5 CC S W 0 0 2 9 2 2 5 7 0 0 6 0 0 3 7 / 1 / 2 0 1 5 DR R C 0 0 1 9 2 2 5 7 0 0 6 0 0 2 7 / 1 / 2 0 1 5 S- 1 2 0 1 5 0 1 6 4 1 4 5 / 2 7 / 2 0 1 5 Ge n e r a l N o t e s : ug / l - m i c r o g r a m s p e r l i t e r NA - N o t a n a l y z e d o r n o t r e p o r t e d b y a n a l y t i c a l l a b o r a t o r y Co m p a r i s o n C r i t e r i a : Qu a l i f i e r N o t e s : U - - N o t d e t e c t e d a b o v e t h e r e p o r t i n g d e t e c t i o n l i m i t . J - - E s t i m a t e d C o n c e n t r a t i o n J+ - - E s t i m a t e d c o n c e n t r a t i o n , b i a s e d h i g h . J- - - E s t i m a t e d c o n c e n t r a t i o n , b i a s e d l o w . bo l d - i n d i c a t e s e x c e e d a n c e o f N C 2 L o r I M A C C r i t e r i a . No r t h C a r o l i n a D e p a r t m e n t o f E n v i r o n m e n t a n d N a t u r a l Re s o u r c e s D i v i s i o n o f W a t e r R e s o u r c e s 0 2 L G r o u n d w a t e r Qu a l i t y S t a n d a r d s a n d I n t e r i m M a x i m u m A l l o w a b l e Co n c e n t r a t i o n s ( I M A C s ) . A p r i l 2 0 1 3 ** N O T E T h e I M A C i s v a l u e i s s h o w n w h e r e t h e r e i s n o ap p l i c a b l e 0 2 L s t a n d a r d . An a l y t e CA S R N Fr a c t i o n Re s u l t U n i t NC 2 L G r o u n d w a t e r + I M A C NS - N o a p p l i c a b l e s t a n d a r d f o r t h i s p a r a m e t e r Be r y l l i u m C a d m i u m Ca d m i u m C h r o m i u m C h r o m i u m C o b a l t Co b a l t Copper Copper Iron Iron 74 4 0 - 4 1 - 7 7 4 4 0 - 4 3 - 9 74 4 0 - 4 3 - 9 7 4 4 0 - 4 7 - 3 7 4 4 0 - 4 7 - 3 7 4 4 0 - 4 8 - 4 7 4 4 0 - 4 8 - 4 7 4 4 0 - 5 0 - 8 7 4 4 0 - 5 0 - 8 7 4 3 9 - 8 9 - 6 7 4 3 9 - 8 9 - 6 TD TD T D T D T D T ug / l ug / l u g /l u g /l u g /l u g /l u g /l u g /l u g /l u g /l u g /l 42 2 10 10 1 1 1000 1000 300 300 0. 2 U 0. 0 8 U 0. 0 8 U 0. 4 4 J 0. 2 2 J 0. 3 2 J 0. 3 4 J 0.88 J 0.95 J NA NA 0. 2 U 0. 0 8 U 0. 0 8 U 0. 3 6 J 0. 7 2 0. 7 3 0.8 0.77 J 0.61 J NA NA 0. 2 U 0. 0 8 U 0. 0 8 U 0. 3 2 J 0. 2 5 J 1. 4 1 . 5 0.45 J 0 . 4 9 J N A N A 1 U 1 U 1 U 1 U 3. 8 6 1 U 4. 8 8 5.62 6.15 J+18 5720 Page 2 of 5 Ta b l e 7 - 1 0 . 6H H S S a m p l i n g R e s u l t s Sa m p l e N a m e S a m p l e I D S a m p l e D a t e CC S W 0 0 1 9 2 2 5 7 0 0 6 0 0 1 7 / 1 / 2 0 1 5 CC S W 0 0 2 9 2 2 5 7 0 0 6 0 0 3 7 / 1 / 2 0 1 5 DR R C 0 0 1 9 2 2 5 7 0 0 6 0 0 2 7 / 1 / 2 0 1 5 S- 1 2 0 1 5 0 1 6 4 1 4 5 / 2 7 / 2 0 1 5 Ge n e r a l N o t e s : ug / l - m i c r o g r a m s p e r l i t e r NA - N o t a n a l y z e d o r n o t r e p o r t e d b y a n a l y t i c a l l a b o r a t o r y Co m p a r i s o n C r i t e r i a : Qu a l i f i e r N o t e s : U - - N o t d e t e c t e d a b o v e t h e r e p o r t i n g d e t e c t i o n l i m i t . J - - E s t i m a t e d C o n c e n t r a t i o n J+ - - E s t i m a t e d c o n c e n t r a t i o n , b i a s e d h i g h . J- - - E s t i m a t e d c o n c e n t r a t i o n , b i a s e d l o w . bo l d - i n d i c a t e s e x c e e d a n c e o f N C 2 L o r I M A C C r i t e r i a . No r t h C a r o l i n a D e p a r t m e n t o f E n v i r o n m e n t a n d N a t u r a l Re s o u r c e s D i v i s i o n o f W a t e r R e s o u r c e s 0 2 L G r o u n d w a t e r Qu a l i t y S t a n d a r d s a n d I n t e r i m M a x i m u m A l l o w a b l e Co n c e n t r a t i o n s ( I M A C s ) . A p r i l 2 0 1 3 ** N O T E T h e I M A C i s v a l u e i s s h o w n w h e r e t h e r e i s n o ap p l i c a b l e 0 2 L s t a n d a r d . An a l y t e CA S R N Fr a c t i o n Re s u l t U n i t NC 2 L G r o u n d w a t e r + I M A C NS - N o a p p l i c a b l e s t a n d a r d f o r t h i s p a r a m e t e r Le a d Le a d M a n g a n e s e M a n g a n e s e M e r c u r y M o l y b d e n u m M o l y b d e n u m N i c k e l Nickel S e l e n i u m S e l e n i u m 74 3 9 - 9 2 - 1 7 4 3 9 - 9 2 - 1 7 4 3 9 - 9 6 - 5 7 4 3 9 - 9 6 - 5 7 4 3 9 - 9 7 - 6 7 4 3 9 - 9 8 - 7 7 4 3 9 - 9 8 - 7 7 4 4 0 - 0 2 - 0 7 4 4 0 - 0 2 - 0 7 7 8 2 - 4 9 - 2 7 7 8 2 - 4 9 - 2 DT D T T D T D T D T u g /l u g /l u g /l u g /l u g /l u g /l u g /l u g /l u g /l u g /l u g /l 15 1 5 5 0 5 0 1 N S N S 1 0 0 1 0 0 2 0 2 0 0. 1 2 0 . 0 9 J 83 1 6 0 0. 0 0 0 6 2 3 1 . 5 1 . 4 0 . 5 4 0 . 7 0 . 8 5 0 . 5 U 0. 0 7 2 J 0 . 1 2 41 0 4 5 0 0. 0 0 0 5 9 1 0 . 6 2 0 . 4 2 J 1 . 3 1 . 4 0 . 5 U 0 . 5 U 0. 1 U 0 . 0 9 2 J 21 0 0 2 2 0 0 0. 0 0 0 6 8 4 0 . 3 6 J 0 . 3 7 J 1 . 7 1 . 9 0 . 5 U 0 . 5 U 1 U 3 . 9 7 10 7 8 2 9 0. 0 0 0 5 U J 1 . 2 5 1 . 5 7 1 U 3 . 3 1 U 1 U Page 3 of 5 Ta b l e 7 - 1 0 . 6H H S S a m p l i n g R e s u l t s Sa m p l e N a m e S a m p l e I D S a m p l e D a t e CC S W 0 0 1 9 2 2 5 7 0 0 6 0 0 1 7 / 1 / 2 0 1 5 CC S W 0 0 2 9 2 2 5 7 0 0 6 0 0 3 7 / 1 / 2 0 1 5 DR R C 0 0 1 9 2 2 5 7 0 0 6 0 0 2 7 / 1 / 2 0 1 5 S- 1 2 0 1 5 0 1 6 4 1 4 5 / 2 7 / 2 0 1 5 Ge n e r a l N o t e s : ug / l - m i c r o g r a m s p e r l i t e r NA - N o t a n a l y z e d o r n o t r e p o r t e d b y a n a l y t i c a l l a b o r a t o r y Co m p a r i s o n C r i t e r i a : Qu a l i f i e r N o t e s : U - - N o t d e t e c t e d a b o v e t h e r e p o r t i n g d e t e c t i o n l i m i t . J - - E s t i m a t e d C o n c e n t r a t i o n J+ - - E s t i m a t e d c o n c e n t r a t i o n , b i a s e d h i g h . J- - - E s t i m a t e d c o n c e n t r a t i o n , b i a s e d l o w . bo l d - i n d i c a t e s e x c e e d a n c e o f N C 2 L o r I M A C C r i t e r i a . No r t h C a r o l i n a D e p a r t m e n t o f E n v i r o n m e n t a n d N a t u r a l Re s o u r c e s D i v i s i o n o f W a t e r R e s o u r c e s 0 2 L G r o u n d w a t e r Qu a l i t y S t a n d a r d s a n d I n t e r i m M a x i m u m A l l o w a b l e Co n c e n t r a t i o n s ( I M A C s ) . A p r i l 2 0 1 3 ** N O T E T h e I M A C i s v a l u e i s s h o w n w h e r e t h e r e i s n o ap p l i c a b l e 0 2 L s t a n d a r d . An a l y t e CA S R N Fr a c t i o n Re s u l t U n i t NC 2 L G r o u n d w a t e r + I M A C NS - N o a p p l i c a b l e s t a n d a r d f o r t h i s p a r a m e t e r St r o n t i u m S t r o n t i u m T h a l l i u m T h a l l i u m V a n a d i u m V a n a d i u m Zinc Zinc A l k a l i n i t y , l a b A l k a l i n i t y , H C O 3 A l k a l i n i t y , C O 3 74 4 0 - 2 4 - 6 7 4 4 0 - 2 4 - 6 7 4 4 0 - 2 8 - 0 7 4 4 0 - 2 8 - 0 7 4 4 0 - 6 2 - 2 7 4 4 0 - 6 2 - 2 7 4 4 0 - 6 6 - 6 7 4 4 0 - 6 6 - 6 A L K - L A B A LK-HCO3 A LK-CO3 DT D T D T D T N N N u g /l u g /l u g /l u g /l u g /l u g /l u g /l u g /l u g /l u g /l u g /l NS N S 0 . 2 0 . 2 0 . 3 0 . 3 1 0 0 0 1 0 0 0 N S N S N S 65 6 8 0 . 0 9 1 J 0 . 0 2 5 J 0. 5 6 J 0 . 5 5 J 10 U 1 0 U 2 2 3 0 0 2 2 3 0 0 5 0 0 0 U 20 0 2 1 0 0 . 1 U 0 . 0 1 9 J 1 U 0. 5 6 J 6. 6 J 8 . 6 J 1 2 0 0 0 0 1 2 0 0 0 0 5 0 0 0 U 24 0 2 5 0 0 . 1 U 0 . 0 3 6 J 1 U 0 . 2 9 J 6 . 8 J 5 J 7 0 9 0 0 7 0 9 0 0 5 0 0 0 U 15 7 1 6 6 0 . 2 U 0 . 2 U 0 . 3 U 8. 0 6 11 J + 1 7 5 1 0 0 0 5 1 0 0 0 1 0 0 0 0 U Page 4 of 5 Ta b l e 7 - 1 0 . 6H H S Sa m p l i n g R e s u l t s Sa m p l e N a m e S a m p l e I D S a m p l e D a t e CC S W 0 0 1 9 2 2 5 7 0 0 6 0 0 1 7 / 1 / 2 0 1 5 CC S W 0 0 2 9 2 2 5 7 0 0 6 0 0 3 7 / 1 / 2 0 1 5 DR R C 0 0 1 9 2 2 5 7 0 0 6 0 0 2 7 / 1 / 2 0 1 5 S- 1 2 0 1 5 0 1 6 4 1 4 5 / 2 7 / 2 0 1 5 Ge n e r a l N o t e s : ug / l - m i c r o g r a m s p e r l i t e r NA - N o t a n a l y z e d o r n o t r e p o r t e d b y a n a l y t i c a l l a b o r a t o r y Co m p a r i s o n C r i t e r i a : Qu a l i f i e r N o t e s : U - - N o t d e t e c t e d a b o v e t h e r e p o r t i n g d e t e c t i o n l i m i t . J - - E s t i m a t e d C o n c e n t r a t i o n J+ - - E s t i m a t e d c o n c e n t r a t i o n , b i a s e d h i g h . J- - - E s t i m a t e d c o n c e n t r a t i o n , b i a s e d l o w . bo l d - i n d i c a t e s e x c e e d a n c e o f N C 2 L o r I M A C C r i t e r i a . No r t h C a r o l i n a D e p a r t m e n t o f E n v i r o n m e n t a n d N a t u r a l Re s o u r c e s D i v i s i o n o f W a t e r R e s o u r c e s 0 2 L G r o u n d w a t e r Qu a l i t y S t a n d a r d s a n d I n t e r i m M a x i m u m A l l o w a b l e Co n c e n t r a t i o n s ( I M A C s ) . A p r i l 2 0 1 3 ** N O T E T h e I M A C i s v a l u e i s s h o w n w h e r e t h e r e i s n o ap p l i c a b l e 0 2 L s t a n d a r d . An a l y t e CA S R N Fr a c t i o n Re s u l t U n i t NC 2 L G r o u n d w a t e r + I M A C NS - N o a p p l i c a b l e s t a n d a r d f o r t h i s p a r a m e t e r Ca l c i u m C h l o r i d e M a g n e s i u m N i t r o g e n , N O 2 p lu s N O 3 Po t a s s i u m S o d i u m S u l f a t e S u l f i d e T o t a l O r g a n i c CarbonTotal Dissolved SolidsTotal Suspended Solids 74 4 0 - 7 0 - 2 1 6 8 8 7 - 0 0 - 6 7 4 3 9 - 9 5 - 4 N O 2 - N O 3 7 4 4 0 - 0 9 - 7 7 4 4 0 - 2 3 - 5 1 4 8 0 8 - 7 9 - 8 1 8 4 9 6 - 2 5 - 8 T O C T D S T S S T N T N T T N N N N N u g /l u g /l u g /l u g /l u g /l u g /l u g /l u g /l u g /l u g /l u g /l NS 2 5 0 0 0 0 N S N S N S N S 2 5 0 0 0 0 N S N S 5 0 0 0 0 0 N S 14 7 0 0 1 6 4 0 0 2 2 1 0 2 2 4 7 5 0 J 1 1 1 0 0 2 2 9 0 0 1 0 0 U 6 0 0 0 1 1 2 0 0 0 4 2 0 0 U 32 1 0 0 1 6 7 0 0 1 2 2 0 0 2 8 0 1 0 9 0 0 1 7 8 0 0 2 4 2 0 0 1 0 0 U 2 5 0 0 2 1 1 0 0 0 6 8 0 0 19 0 0 0 1 2 6 0 0 1 2 2 0 0 1 7 0 5 0 0 0 U 1 9 4 0 0 3 8 4 0 0 1 0 0 U 1 2 5 0 0 1 8 6 0 0 0 2 5 0 0 U 14 4 0 0 1 0 0 0 0 4 5 0 0 N A 1 5 9 0 9 0 7 0 9 4 0 0 2 0 0 U 2 1 0 0 9 9 0 0 0 1 8 0 0 0 0 Page 5 of 5 Ta b l e 7 - 1 1 . S e e p S p e c i a t i o n R e s u l t s As ( I I I ) A s ( V ) C h r o m i u m ( V I ) F e ( I I ) F e ( I I I ) M n ( I I ) M n ( I V ) S e ( I V ) S e ( V I ) 77 8 4 - 4 6 - 5 1 0 1 0 3 - 6 0 - 3 1 8 5 4 0 - 2 9 - 9 1 3 4 5 - 2 5 - 1 1 3 0 9 - 3 7 - 1 1 3 4 4 - 4 3 - 0 1 3 1 3 - 1 3 - 9 1 0 1 0 2 - 1 8 - 8 1 3 4 1 0 - 0 1 - 0 TT T T T T T T T ug / l u g / l u g / l u g / l u g / l u g / l u g / l u g / l u g / l Sa m p l e N a m e S a m p l e I D S a m p l e D a t e Se e p s CC S W 0 0 1 2 0 1 5 0 2 2 7 8 5 7 / 1 / 2 0 1 5 0 . 2 U 0 . 2 U 0 . 0 5 6 7 J 1 0 3 J 7 1 . 1 4 9 . 5 J 0 . 5 U 0 . 5 U CC S W 0 0 2 2 0 1 5 0 2 2 7 8 3 7 / 1 / 2 0 1 5 0 . 2 U 0 . 2 U 0 . 0 3 8 2 3 1 6 . 6 4 6 1 3 3 . 4 0 . 5 U 0 . 5 U DR R C 0 0 1 2 0 1 5 0 2 2 7 8 6 7 / 1 / 2 0 1 5 0 . 2 4 0 . 2 U 0 . 0 5 U J 2 1 3 2 5 3 2 4 7 0 0 . 7 4 0 . 5 U 0 . 5 U S- 1 2 0 1 5 0 2 2 1 4 5 6 / 2 6 / 2 0 1 5 0 . 4 0 2 0 . 1 9 5 0 . 0 2 2 J + 2 0 U 2 9 . 9 2 2 9 1 U J 0 . 5 U 0 . 5 U An a l y t e CA S R N Fr a c t i o n Re s u l t U n i t Page 1 of 1 Table 8-1. Solid Matrix Sampling Plan Boring ID Boring Depth (Ft. BGS) Sample Media Sample Depths/Intervals/Target Zones Lab Analyses Purpose/Notes Index Parameter Samples No. of Rock Samples for Total Inorganics Soil 30.0-31.5 TI,TOC Soil 40.0-40.5 TI,TOC Soil 102.0-104.0 TI, TOC Soil 33.0-35.0 Kd + HFO + Mineralogy Soil 34.0-36.0 Moisture, grain size, hydraulic conductivity, specific gravity UD-1 Soil 19.0-20.0 TI,TOC Soil 24.0-25.0 TI,TOC PWR 49.0-50.0 TI,TOC GWA-2S 31.5 Soil 5.0-6.7 Moisture, grain size, hydraulic conductivity, specific gravity UD-1 GW Modeling 1-UD Soil 5.0-6.5 TI,TOC Soil 20.0-21.4 TI,TOC Soil 25.0-25.9 TI,TOC Rock 29.0-29.83 TI Evaluate preferential pathway GWA-3S 29 Soil 25.0-25.8 Moisture, grain size, hydraulic conductivity, and specific gravity, Kd + HFO + Minerology UD-1 GW Modeling 1 UD, 1 KD + HFO (3-gallons bulk sample and 1 geotech jar) UD-1 Soil 28 TI,TOC Soil 33 TI,TOC PWR 38 TI, TOC GWA-4S 37 Soil 33.0-35.0 Moisture, grain size, hydraulic conductivity, and specific gravity, Kd + HFO + Minerology UD-1 GW Modeling 1 UD, 1 KD + HFO (3-gallons and 1 geotech jar) UD-1 Evaluate soil quality outside ash basin waste boundary, cross sections _ 0 1 0 GW Modeling 1 UD, 1 KD + HFO (3-gallons and 1 geotech jar) UD-1 Evaluate soil quality outside ash basin waste boundary, cross sections 56 _ GWA-3D 41.6 Located Outside Ash Basin Waste Boundary -Throughout Site GWA-4D GWA-1D 120 GWA-2D 69 Evaluate soil quality outside ash basin waste boundary, cross sections _ GWA-1S 47 0 Evaluate soil quality outside ash basin waste boundary, cross sections _ Page 1 of 10 Table 8-1. Solid Matrix Sampling Plan Boring ID Boring Depth (Ft. BGS) Sample Media Sample Depths/Intervals/Target Zones Lab Analyses Purpose/Notes Index Parameter Samples No. of Rock Samples for Total Inorganics Located Outside Ash Basin Waste Boundary -Throughout SiteSoil16.0-17.0 TI,TOC Soil 22.0-23.0 TI,TOC Soil 25 Moisture, grain size, hydraulic conductivity, specific gravity UD-1 GW Modeling UD-1 PWR 34.0-35.0 TI,TOC Evaluate soil quality outside ash basin waste boundary, cross sections _ Soil 37 Moisture, grain size, hydraulic conductivity, specific gravity UD-2 UD (soil/saprolite), immediatley above refusal UD-2 Soil 29.0-30.0 HFO 1 HFO (2-gallons bulk sample) Soil 5.0-10.0 TI,TOC Soil 15.0-20.0 TI,TOC Soil 20.0-22.0 TI,TOC Rock 27.4-28.42 TI Evaluate preferential pathway Soil 20.0-21.5 TI,TOC Soil 30.0-31.5 TI,TOC Soil 40.0-41.5 TI,TOC PWR 55.0-56.0 TI, TOC Soil 5.0-6.25 Moisture, grain size, hydraulic conductivity, specific gravity UD-1 UD 1 PWR 30.0-31.75 Moisture, grain size, hydraulic conductivity, specific gravity UD-2 UD-2 Soil 9.0-10.0 TI,TOC Soil 19.0-20.0 TI,TOC Soil 25 TI,TOC Soil 25.3-25.5 Moisture, grain size, hydraulic conductivity, specific gravity UD-1 UD-1 Soil 28-29 TI, TOC, Kd + HFO 1 KD + HFO (3-gallons bulk sample and 1 geotech jar) Rock 31.8-32.8 TI Evaluate preferential pathway _ Evaluate soil quality outside ash basin waste boundary, cross sections _GWA-9D Evaluate soil quality outside ash basin waste boundary, cross sections Evaluate soil quality outside ash basin waste boundary, cross sections 49 0GWA-7S 34 GWA-8D 42 _1 GWA-9S 77 GW Modeling 1 0 _ Evaluate soil quality outside ash basin waste boundary, cross sections GW Modeling _ GWA-10D 45.5 GW Modeling Page 2 of 10 Table 8-1. Solid Matrix Sampling Plan Boring ID Boring Depth (Ft. BGS) Sample Media Sample Depths/Intervals/Target Zones Lab Analyses Purpose/Notes Index Parameter Samples No. of Rock Samples for Total Inorganics Located Outside Ash Basin Waste Boundary -Throughout SiteSoil10.0-11.5 TI,TOC Soil 25.0-26.5 TI,TOC Soil 23.0-25.0 Kd + HFO 1 KD + HFO (3-gallons bulk sample and 1 geotech jar) GWA-11S 26 Soil 23.0-23.5 Moisture, grain size, hydraulic conductivity, specific gravity UD- 1 UD 1 Soil 10.0-11.5 TI,TOC Soil 15.0-15.2 TI,TOC Soil 20.0-21.0 TI,TOC Soil 13.0-15.0 Moisture, grain size, hydraulic conductivity, and specific gravity + Kd + HFO + Minerology UD-1 GW Modeling 1 KD + HFO (3-gallons bulk sample and 1 geotech jar) UD-1 GWA-12S 16 Soil 13.0-14.6 Moisture, grain size, hydraulic conductivity, specific gravity UD-2 GW Modeling UD-2 0 GWA-14D 24 Soil 4.0-6.0 Moisture, grain size, hydraulic conductivity, specific gravity UD-1 GW Modeling UD 1 GWA-14S 9 Soil 4.0-6.0 TI, TOC Evaluate soil quality outside ash basin waste boundary, cross sections _ GWA-15D 34.1 Soil 18.0-21.0 TI,TOC Evaluate soil quality outside ash basin waste boundary, cross sections _0 Soil 0.0-4.5 TI,TOC Soil 5.0-6.5 TI,TOC Soil 8.0-12.0 Moisture, grain size, hydraulic conductivity, and specific gravity, Kd + HFO + Minerology UD-1 GW Modeling 1 UD, 1 KD + HFO (3-gallons bulk sample and 1 geotech jar) Soil 9.0-10.0 TI,TOC Soil 13.0-14.0 TI,TOCGWA-6S 20 GWA-5BR 62.5 GWA-11D Evaluate soil quality outside ash basin waste boundary, cross sections _ Evaluate soil quality outside ash basin waste boundary, cross sections Evaluate soil quality outside ash basin waste boundary, cross sections _ _ _ 0GWA-12D 0 Evaluate soil quality outside ash basin waste boundary, cross sections 41.7 37 0 GW Modeling 0 0 Page 3 of 10 Table 8-1. Solid Matrix Sampling Plan Boring ID Boring Depth (Ft. BGS) Sample Media Sample Depths/Intervals/Target Zones Lab Analyses Purpose/Notes Index Parameter Samples No. of Rock Samples for Total Inorganics Located Outside Ash Basin Waste Boundary -Throughout Site Ash 15.0-20.0 TI,TOC Ash 20.0-21.5 TI,TOC,SPLP Ash 25.0-26.5 TI,TOC PWR 27.0-27.3 TI,TOC PWR 29.5-29.7 TI,TOC PWR 30.0-31.5 TI, TOC AB-5S 23 Soil 9.0-11.0 Moisture, grain size, hydraulic conductivity, specific gravity UD-1 GW Modeling UD 1 Soil 10.0-11.5 TI, TOC Ash 20.0-21.5 TI,TOC,SPLP Ash 30.0-31.5 TI,TOC Ash 40.0-41.5 TI,TOC Soil 45.0-46.5 TI,TOC Soil 60.0-60.7 TI, TOC 5.0-7.0 Moisture, grain size, hydraulic conductivity, specific gravity UD-1 UD-1 48.0-49.0 Moisture, grain size, hydraulic conductivity, specific gravity UD-2 UD-2 49.0-50.0 Kd + HFO + Mineralogy 1 KD + HFO (3-gallons bulk sample and 1 geotech jar) Ash 3.0-5.0 TI,TOC Ash 24.0-26.0 TI,TOC,SPLP Soil 26.0-26.5 TI,TOC Ash 10.0-12.5 Moisture, grain size, hydraulic conductivity, specific gravity UD-1 UD 1 Soil 51.0-53.5 Moisture, grain size, hydraulic conductivity, specific gravity UD-2 _ Soil 3.0-5.0 TI, TOC Soil 15.0-16.5 TI, TOC Soil 30.0-31.5 TI, TOC Soil 45.0-46.5 TI, TOC GW Modeling _ Refine ash thickness, evaluate ash and underlying soil quality, evaluate ash leachability, cross-sections AB-10SL 50 Soil AB-25S _ 53.5 AB-30D 63 Located Within Active Ash Basin AB-15D 26.5 0 45 AB-10D 83 AB-5D _ GW Modeling 0 Refine ash thickness, evaluate ash and underlying soil quality, evaluate ash leachability, cross-sections 0 Refine ash thickness, evaluate ash and underlying soil quality, evaluate ash leachability, cross-sections 0 0 Refine ash thickness, evaluate ash and underlying soil quality, evaluate ash leachability, cross-sections _ Page 4 of 10 Table 8-1. Solid Matrix Sampling Plan Boring ID Boring Depth (Ft. BGS) Sample Media Sample Depths/Intervals/Target Zones Lab Analyses Purpose/Notes Index Parameter Samples No. of Rock Samples for Total Inorganics Located Outside Ash Basin Waste Boundary -Throughout Site Soil 3.0-5.0 Kd + HFO + Mineralogy 1 KD + HFO (3-gallons bulk sample and 1 geotech jar) Soil 15.0-17.0 Moisture, grain size, hydraulic conductivity, and specific gravity, Kd + HFO + Minerology UD-1 UD 1 Soil 32.0-34.0 Moisture, grain size, hydraulic conductivity, and specific gravity, Kd + HFO + Minerology UD 2 UD 2 Soil 43.0-44.0 Moisture, grain size, hydraulic conductivity, and specific gravity, Kd + HFO + Minerology UD-3 UD 3 Ash 3.0-5.0 TI, TOC Ash 20.0-21.5 TI,TOC Ash 18.0-19.5 TI,TOC,SPLP Soil 25.0-25.5 TI,TOC Soil 30.0-31.5 TI,TOC Ash 3.0-5.0 TI,TOC _ Ash 19.0-21.0 Moisture, grain size, hydraulic conductivity, specific gravity UD-1 UD 1 Soil 34.0-36.0 TI,TOC,SPLP _ Soil 39.0-41.0 Moisture, grain size, hydraulic conductivity, specific gravity UD-2 UD 2 Soil 44.0-46.0 TI,TOC _ Soil 3.0-5.0 TI,TOC Soil 5.0-6.5 TI,TOC Soil 20.0-21.5 TI,TOC Soil 30.0-31.5 TI,TOC Soil 47.0-51.0 Kd + HFO GW Modeling 1 KD + HFO (3-gallons bulk sample and 1 geotech jar) 0 115 AB-35BR 95 AB-30BR Refine ash thickness, evaluate ash and underlying soil quality, cross-sections AS-2D 66 0 Refine ash thickness, evaluate ash and underlying soil quality, cross-sections MW-311 BR 133.5 _ Located Within Ash Storage Refine ash thickness, evaluate ash and underlying soil quality, cross-sections _ 0 0 GW Modeling Page 5 of 10 Table 8-1. Solid Matrix Sampling Plan Boring ID Boring Depth (Ft. BGS) Sample Media Sample Depths/Intervals/Target Zones Lab Analyses Purpose/Notes Index Parameter Samples No. of Rock Samples for Total Inorganics Located Outside Ash Basin Waste Boundary -Throughout Site Ash 3.0-4.0 TI,TOC Refine ash thickness, evaluate ash and underlying soil quality, evaluate ash leachability, cross-sections _ 5.0-7.0 Moisture, grain size, hydraulic conductivity, specific gravity UD-1 GW Modeling UD 1 Ash 11.0-12.5 Ti, TOC Soil 16.0-17.5 TI,TOC Soil 21.0-22.5 TI,TOC Soil 22.0-23.0 HFO GW Modeling 2 HFO (1-gallon bulk sample) Ash 4.0-4.5 TI,TOC Ash 10.0-11.0 HFO Soil 19.5-21.0 TI,TOC Soil 39.5-41.0 TI,TOC Rock 48.0-48.25 TI Evaluate preferential pathway Ash 3.0-5.0 TI,TOC Refine ash thickness, evaluate ash and underlying soil quality, evaluate ash leachability, cross-sections _ Ash 5.0-7.0 Moisture, grain size, hydraulic conductivity, specific gravity UD-1 GW Modeling 1 UD Soil 27.0-28.5 TI,TOC Refine ash thickness, evaluate ash and underlying soil quality, evaluate ash leachability, cross-sections _ Soil 28.5-28.7 Moisture, grain size, hydraulic conductivity, specific gravity UD-2 GW Modeling UD 2 Soil 32.0-33.3 TI,TOC Refine ash thickness, evaluate ash and underlying soil quality, evaluate ash leachability, cross-sections _ AS-8BR 111 Ash 19.0-21.0 Moisture, grain size, hydraulic conductivity, specific gravity UD-3 GW Modeling UD 3 0 Refine ash thickness, evaluate ash and underlying soil quality, evaluate ash leachability, cross-sectionsAS-6D 62 61AS-8D AS-4D 42 0 1_ _Refine ash thickness, evaluate ash and underlying soil quality, evaluate ash Page 6 of 10 Table 8-1. Solid Matrix Sampling Plan Boring ID Boring Depth (Ft. BGS) Sample Media Sample Depths/Intervals/Target Zones Lab Analyses Purpose/Notes Index Parameter Samples No. of Rock Samples for Total Inorganics Located Outside Ash Basin Waste Boundary -Throughout SiteSoil4.0-4.5 TI,TOC Soil 15.0-15.5 TI,TOC Soil 10.0-11.0 TI,TOC, HFO PWR 30.0-30.3 TI,TOC Soil 5.0-6.5 TI,TOC Soil 15.0-16.5 TI,TOC Soil 20.0-21.5 TI,TOC Ash 3.0-4.0 TI,TOC, SPLP PWR 5.0-7.0 TI,TOC PWR 15.0-16.0 TI,TOC PWR 30.0-31.0 TI,TOC Ash 25.0-26.5 TI,TOC Ash 50.0-51.5 TI,TOC,SPLP Ash 75.0-76.5 TI,TOC SAP 80.0-81.5 TI,TOC Rock 90.0-91.5 TI Evaluate preferential pathway Ash 40.0-41.5 TI,TOC,SPLP Ash 55.0-56.5 TI,TOC Ash 70.0-71.5 TI,TOC Ash 3.0-4.5 TI,TOC Ash 21.0-22.5 TI,TOC,SPLP Soil 24.0-25.5 TI,TOC Soil 34.0-35.5 TI,TOC Ash 5.0-7.0 TI,TOC,SPLP Soil 10.0-11.0 TI,TOC Soil 15.0-16.0 TI,TOC Soil 48.0-50.0 HFO 1 HFO (2-gallons bulk sample) Soil 59.5-59.8 Kd _ Ash 3.0-5.0 TI,TOC Ash 19.0-20.0 TI,TOC,SPLP Soil 24.0-25.0 TI,TOC Soil 41.5 HFO GW Modeling 1 HFO (2-gallons bulk sample) Rock 42.5-43.42 TI Evaluate preferential pathway _ 0 0 0 Evaluate soil quality outside ash basin waste boundary, cross sections MW-303BR 150 _ _ AS-12S Refine ash thickness, evaluate ash and underlying soil quality, evaluate ash leachability, cross-sections Refine ash thickness, evaluate ash and underlying soil quality, evaluate ash leachability, cross-sections Refine ash thickness, evaluate ash and underlying soil quality, evaluate ash leachability, cross-sections _ Refine ash thickness, evaluate ash and underlying soil quality, evaluate ash leachability, cross-sections 82.5MW-301BR 44.2 Refine ash thickness, evaluate ash and underlying soil quality, evaluate ash leachability, cross-sections 28.9 AS-10D MW-315BR 104.3 MW-317 BR 109.8 MW-306BR 130 Refine ash thickness (if present), evaluate ash and underlying soil quality, evaluate ash leachability, cross-sections _ 50MW 318BR _ _ _ 0 0 1 0 Refine ash thickness, evaluate ash and underlying soil quality, evaluate ash leachability, cross-sections 1 GW Modeling _ Page 7 of 10 Table 8-1. Solid Matrix Sampling Plan Boring ID Boring Depth (Ft. BGS) Sample Media Sample Depths/Intervals/Target Zones Lab Analyses Purpose/Notes Index Parameter Samples No. of Rock Samples for Total Inorganics Located Outside Ash Basin Waste Boundary -Throughout Site Fill 0.0-2.0 TI, TOC Ash 3.0-5.0 TI,TOC,SPLP Ash 10.0-12.5 UD-1 GW Modeling 1 UD Ash 40.0-41.0 TI,TOC Soil 45.0-46.0 TI,TOC Soil 50.0-51.0 TI,TOC Soil 51.0-53.5 UD-2 GW Modeling UD-2 Soil 3.0-5.0 TI,TOC, KD and HFO Soil 15.0-17.0 TI,TOC Soil 30.0-31.5 TI,TOC Soil 45.0-46.5 TI,TOC Ash 3.0-5.0 TI,TOC Ash 10.0-11.0 TI,TOC,SPLP PWR 20.0-21.0 TI,TOC PWR 25.0-26.0 TI,TOC Soil 10.0-11.5 TI,TOC Ash 20.0-21.5 TI,TOC,SPLP Soil 25.0-26.5 TI,TOC Soil 35.0-35.4 TI,TOC Ash 10.0-11.5 TI,TOC Ash 20.0-21.5 TI,TOC,SPLP Soil 30.0-31.5 TI,TOC Soil 40.0-41.5 TI,TOC Soil 45.0-50.45 TI, TOC 0 0 HFO 1 GW Modeling Located on Active Ash Basin Dam/Dike MW-308BR 88 Refine ash thickness, evaluate ash and underlying soil quality, evaluate ash leachability, cross-sections GW Modeling 1 HFO (2-gallons bulk sample) 1 HFO (2-gallons bulk sample) GW Modeling 149 88 Soil 35.0-37.0 37 99.1 MW-310BR AB-25BR MW 314BR Evaluate preferential pathway _TI, TOC HFO Rock Soil 1 HFO (2-gallons bulk sample)45.0-46.5 57.0-57.5 AB-30D Refine ash thickness, evaluate ash and underlying soil quality, evaluate ash leachability, cross-sections _ Refine ash thickness, evaluate ash and underlying soil quality, evaluate ash leachability, cross-sections 0 0 _ _ GW Modeling63 HFOPWR _ Refine ash thickness, evaluate ash and underlying soil quality, evaluate ash leachability, cross-sections Refine ash thickness, evaluate ash and underlying soil quality, evaluate ash _ _ Page 8 of 10 Table 8-1. Solid Matrix Sampling Plan Boring ID Boring Depth (Ft. BGS) Sample Media Sample Depths/Intervals/Target Zones Lab Analyses Purpose/Notes Index Parameter Samples No. of Rock Samples for Total Inorganics Located Outside Ash Basin Waste Boundary -Throughout SiteAsh7.0-8.0 TI,TOC Ash 17.0-23.0 TI,TOC,SPLP Soil 19.6-21.6 Moisture, grain size, hydraulic conductivity, specific gravity UD-1 GW Modeling UD 1 Soil 27.0-29.0 TI,TOC PWR 29.0-31.0 TI,TOC Soil 1.0-2.0 TI,TOC Soil 10.0-11.5 TI,TOC Soil 15.0-16.5 TI,TOC Soil 20.0-21.5 TI,TOC Soil 25.0-26.5 TI,TOC Soil 35.0-35.5 TI,TOC Soil 1.0-2.0 TI,TOC Soil 10.0-11.5 TI,TOC Soil 20.0-21.5 TI,TOC Soil 30.0-31.25 TI,TOC Soil 35.0-36.0 TI,TOC Soil 65.0-65.3 TI,TOC Soil 1.0-2.0 TI,TOC Soil 10.0-11.5 TI,TOC Soil 20.0-21.5 TI,TOC Soil 35.0-37.5 TI,TOC Soil 40.0-40.3 TI,TOC Soil 45.0-45.2 TI,TOC Soil 1.0-2.0 TI,TOC Evaluate background soil concentrations of total inorganics _ Soil 9.0-9.5 Moisture, grain size, hydraulic conductivity, specific gravity UD-1 GW Modeling UD 1 Rock 10.0-12.0 TI,TOC Evaluate background soil concentrations of total inorganics _ BG-1D 22 Soil 0.0-2.0 TI,TOC Establish background concentrations of total inorganics _0 0 Evaluate background soil conditions between compliance boundary and well MW-23BR _ _0 0 Evaluate background soil conditions between compliance boundary and well MW-23BR 27.0-27.2 Background Locations 0 0SB-3 45.3 Evaluate background soil conditions between compliance boundary and well MW-23BR 63MW-23BR _ Moisture, grain size, hydraulic conductivity, and specific gravity + Kd + HFO + Minerology UD-2 84.9MW-22BR 1 UD, 1 KD + HFO (3-gallons bulk sample and 1 geotech jar) UD 2SoilGW Modeling Refine ash thickness, evaluate ash and underlying soil quality, evaluate ash leachability, cross-sections Refine ash thickness, evaluate ash and underlying soil quality, evaluate ash _ _ SB-2 68 SB-1 40 Page 9 of 10 Table 8-1. Solid Matrix Sampling Plan Boring ID Boring Depth (Ft. BGS) Sample Media Sample Depths/Intervals/Target Zones Lab Analyses Purpose/Notes Index Parameter Samples No. of Rock Samples for Total Inorganics Located Outside Ash Basin Waste Boundary -Throughout Site Soil 1.0-2.0 TI,TOC Establish background concentrations of total inorganics _ Soil 7.0-9.0 Moisture, grain size, hydraulic conductivity, specific gravity UD-1 GW Modeling 1 UD (soil/saprolite) PWR 10.0-12.0 TI,TOC PWR 13.0-15.0 TI,TOC PWR 17.0-19.0 TI,TOC PWR 19.0-21.0 TI,TOC PWR 21.0-23.0 TI,TOC BG-5S 23 PWR 13.0-14.0 Moisture, grain size, hydraulic conductivity, specific gravity UD-1 GW Modeling UD 1 0 AB: Ash Basin Well MW: Monitoring Well BG: Background Well PWR: Partially Weathered Rock BR: Bedrock S: Shallow Well D: Deep Well SAP: Saprolite Ft. BGS: Feet Below Ground Surface SB: Soil Boring GW: Ground Water SPLP: Synthetic Precipitation Leaching Procedure GWA: Ground Water Assessment Well TI: Total Inorganics HFO: Heavy Fuel Oil TOC: Total Orgnic Carbon Kd: Soil Sorbtion Coefficient Measurement UD: Undisturbed Sample (Shelby Tube) 0BG-5D 39.6 _ Terms Establish background concentrations of total inorganics Page 10 of 10 Page 1 of 1 Table 8-2. Soil, Ash, and Rock Parameters and Constituent Analysis – Analytical Methods INORGANIC COMPOUNDS UNITS METHOD Antimony mg/kg EPA 6020 Arsenic mg/kg EPA 6020 Barium mg/kg EPA 6010 Boron mg/kg EPA 6010 Cadmium mg/kg EPA 6020 Chloride mg/kg SM4500-Cl-E Chromium mg/kg EPA 6010 Copper mg/kg EPA 6010 Iron mg/kg EPA 6010 Lead mg/kg EPA 6020 Manganese mg/kg EPA 6010 Mercury mg/kg EPA Method 7470A/7471 Nickel mg/kg EPA 6010 pH SU EPA 9045 Selenium mg/kg EPA 6020 Thallium (low level) mg/kg EPA 6020 Zinc mg/kg EPA 6010 Total Organic Carbon UNITS METHOD TOC Mg/kg EPA 9060 Notes: 1. Soil samples to be analyzed for Total Inorganics using USEPA Methods 6010/6020 and pH using USEPA Method 9045, as noted above. 2. 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. SPLP results to be reported in units of mg/L for comparison to 2L Standards. 3. Samples to be analyzed for Total Organic Carbon using method EPA 9060. Sample result in concentration units of mg/kg of organic carbon on a dry weight basis. Table 8-3. Total Inorganic Results Background Soil Aluminum Antimony Arsenic Barium Beryllium Boron Cadmium Chromium Cobalt Copper Iron Lead Manganese 7429-90-5 7440-36-0 7440-38-2 7440-39-3 7440-41-7 7440-42-8 7440-43-9 7440-47-3 7440-48-4 7440-50-8 7439-89-6 7439-92-1 7439-96-5 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 100000 94 3 44000 460 46000 200 100000 70 9400 100000 800 5200 NS 0.9 5.8 580 63 45 3 360000 0.9 700 150 270 65 Sample Name Sample ID Sample Date BG-1D(0-2)2015015888 5/19/2015 7980 J 7.9 UJ 7.9 UJ 51.8 J+0.46 19.8 U 0.95 U 15.5 5.6 J+12.1 16500 10.8 J+177 BG-5D(1-2)2015017061 5/27/2015 13200 6.3 R 3.9 J-57.8 J+0.56 15.7 UJ 0.75 UJ 40.2 J-6.8 J-21.7 30400 15.1 113 General Notes: mg/kg - milligrams per kilogram NA - Not analyzed or not reported by analytical laboratory Std. Units - pH units Comparison Criteria: Shading indicates exceedance of either applicable criteria. Qualifier Notes: U -- Not detected above the reporting detection limit. J -- Estimated Concentration J+ -- Estimated concentration, biased high. J- --Estimated concentration, biased low. bold - indicates exceedance of NCDENR Industrial Health Based PSRG Italic/underline - indicates exceedance of NCDENR Protection of Groundwater PSRG North Carolina Department of Environment and Natural Resources Division of Waste Management Soil Remediation Goals Table (March 2015) - Preliminary Industrial Health Based Soil Remediation Goal (PSRG) and Protection of Groundwater PSRG. **Note: No PSRG for Total Chromium is currently available, as a surrogate the PSRG for Trivalent Chromium was used for comparison purposes only. Analyte CAS RN Result Unit NCDENR Industrial Health PSRG NCDENR Protection of Groundwater PSRG NS - No applicable standard for this parameter Page 1 of 3 Table 8-3. Total Inorganic Results Background Soil Sample Name Sample ID Sample Date BG-1D(0-2)2015015888 5/19/2015 BG-5D(1-2)2015017061 5/27/2015 General Notes: mg/kg - milligrams per kilogram NA - Not analyzed or not reported by analytical laboratory Std. Units - pH units Comparison Criteria: Shading indicates exceedance of either applicable criteria. Qualifier Notes: U -- Not detected above the reporting detection limit. J -- Estimated Concentration J+ -- Estimated concentration, biased high. J- --Estimated concentration, biased low. bold - indicates exceedance of NCDENR Industrial Health Based PSRG Italic/underline - indicates exceedance of NCDENR Protection of Groundwater PSRG North Carolina Department of Environment and Natural Resources Division of Waste Management Soil Remediation Goals Table (March 2015) - Preliminary Industrial Health Based Soil Remediation Goal (PSRG) and Protection of Groundwater PSRG. **Note: No PSRG for Total Chromium is currently available, as a surrogate the PSRG for Trivalent Chromium was used for comparison purposes only. Analyte CAS RN Result Unit NCDENR Industrial Health PSRG NCDENR Protection of Groundwater PSRG NS - No applicable standard for this parameter Mercury Molybdenum Nickel Selenium Strontium Thallium Vanadium Zinc Calcium Chloride Magnesium Nitrate Potassium 7439-97-6 7439-98-7 7440-02-0 7782-49-2 7440-24-6 7440-28-0 7440-62-2 7440-66-6 7440-70-2 16887-00-6 7439-95-4 14797-55-8 7440-09-7 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 8 1200 4400 1200 100000 2.4 1200 70000 NS NS NS 100000 NS 1 NS 130 2.1 NS 0.28 6 1200 NS NS NS NS NS 0.033 4 U 4.6 5.9 U 6.7 7.9 UJ 27.9 20.6 475 367 U 1290 J+36.7 UJ 486 0.026 3.1 U 7.4 6.3 R 6.5 6.3 UJ 45.9 26.7 248 325 U 1110 32.5 UJ 684 Page 2 of 3 Table 8-3. Total Inorganic Results Background Soil Sample Name Sample ID Sample Date BG-1D(0-2)2015015888 5/19/2015 BG-5D(1-2)2015017061 5/27/2015 General Notes: mg/kg - milligrams per kilogram NA - Not analyzed or not reported by analytical laboratory Std. Units - pH units Comparison Criteria: Shading indicates exceedance of either applicable criteria. Qualifier Notes: U -- Not detected above the reporting detection limit. J -- Estimated Concentration J+ -- Estimated concentration, biased high. J- --Estimated concentration, biased low. bold - indicates exceedance of NCDENR Industrial Health Based PSRG Italic/underline - indicates exceedance of NCDENR Protection of Groundwater PSRG North Carolina Department of Environment and Natural Resources Division of Waste Management Soil Remediation Goals Table (March 2015) - Preliminary Industrial Health Based Soil Remediation Goal (PSRG) and Protection of Groundwater PSRG. **Note: No PSRG for Total Chromium is currently available, as a surrogate the PSRG for Trivalent Chromium was used for comparison purposes only. Analyte CAS RN Result Unit NCDENR Industrial Health PSRG NCDENR Protection of Groundwater PSRG NS - No applicable standard for this parameter Sodium Sulfate pH (field)Total Organic Carbon 7440-23-5 14808-79-8 PH TOC mg/kg mg/kg Std. Units mg/kg NS NS NS NS NS NS NS NS 395 U 367 U 5.2 J 7020 314 U 325 U 5.1 J 1560 Page 3 of 3 Table 8-4. Total Inorganic Results - Background PWR and Bedrock Aluminum Antimony Arsenic Barium Beryllium Boron Cadmium Chromium Cobalt Copper Iron Lead 7429-90-5 7440-36-0 7440-38-2 7440-39-3 7440-41-7 7440-42-8 7440-43-9 7440-47-3 7440-48-4 7440-50-8 7439-89-6 7439-92-1 mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg 100000 94 3 44000 460 46000 200 100000 70 9400 100000 800 NS 0.9 5.8 580 63 45 3 360000 0.9 700 150 270 Matrix Sample Name Sample ID Sample Date PWR BG-5D(10-12)2015017062 5/27/2015 10100 5.8 U 5.8 U 151 1.1 14.5 U 0.7 U 14 17.6 40.6 23900 21.5 PWR BG-5D(13-15)2015017066 5/27/2015 11600 5.4 U 4.6 J 91.1 1.4 13.5 U 0.65 U 16.4 10.7 16.9 27200 19.9 PWR BG-5D(17-19)2015017063 5/27/2015 8570 5.7 U 5.7 U 46.2 0.54 14.1 U 0.68 U 10.3 10.1 17.1 18400 14 PWR BG-5D(19-21)2015017065 5/27/2015 8430 7.1 U 7.1 U 88.6 0.49 17.8 U 0.86 U 12.7 13.3 15.8 15700 16.2 PWR BG-5D(21-23)2015017064 5/27/2015 17200 6.1 U 6.1 U 90.3 0.69 15.2 U 0.73 U 22.5 15.7 23 30200 6.4 Rock MW-23BR(10-12)2015014249 5/9/2015 15100 5.3 U 9.7 177 0.66 13.4 U 0.64 U 16.6 16.2 53 35600 16.2 General Notes: mg/kg - milligrams per kilogram NA - Not analyzed or not reported by analytical laboratory Std. Units - pH units PWR - Partially weathered rock Comparison Criteria: Qualifier Notes: U -- Not detected above the reporting detection limit. J -- Estimated Concentration J+ -- Estimated concentration, biased high. J- --Estimated concentration, biased low. NS - No applicable standard for this parameter North Carolina Department of Environment and Natural Resources Division of Waste Management Soil Remediation Goals Table (March 2015) - Preliminary Industrial Health Based Soil Remediation Goal (PSRG) and Protection of Groundwater PSRG. Italic/underline - indicates exceedance of NCDENR Protection of Groundwater PSRG bold - indicates exceedance of NC Industrial Health Based PSRG Shading indicates exceedance of either applicable criteria. **Note: No PSRG for Total Chromium is currently available, as a surrogate the PSRG for Trivalent Chromium was used for comparison purposes only. Analyte CAS RN Result Unit NCDENR Industrial Health PSRG NCDENR Protection of Groundwater PSRG Page 1 of 3 Table 8-4. Total Inorganic Results - Background PWR and Bedrock Matrix Sample Name Sample ID Sample Date PWR BG-5D(10-12)2015017062 5/27/2015 PWR BG-5D(13-15)2015017066 5/27/2015 PWR BG-5D(17-19)2015017063 5/27/2015 PWR BG-5D(19-21)2015017065 5/27/2015 PWR BG-5D(21-23)2015017064 5/27/2015 Rock MW-23BR(10-12)2015014249 5/9/2015 General Notes: mg/kg - milligrams per kilogram NA - Not analyzed or not reported by analytical laboratory Std. Units - pH units PWR - Partially weathered rock Comparison Criteria: Qualifier Notes: U -- Not detected above the reporting detection limit. J -- Estimated Concentration J+ -- Estimated concentration, biased high. J- --Estimated concentration, biased low. NS - No applicable standard for this parameter North Carolina Department of Environment and Natural Resources Division of Waste Management Soil Remediation Goals Table (March 2015) - Preliminary Industrial Health Based Soil Remediation Goal (PSRG) and Protection of Groundwater PSRG. Italic/underline - indicates exceedance of NCDENR Protection of Groundwater PSRG bold - indicates exceedance of NC Industrial Health Based PSRG Shading indicates exceedance of either applicable criteria. **Note: No PSRG for Total Chromium is currently available, as a surrogate the PSRG for Trivalent Chromium was used for comparison purposes only. Analyte CAS RN Result Unit NCDENR Industrial Health PSRG NCDENR Protection of Groundwater PSRG Manganese Mercury Molybdenum Nickel Selenium Strontium Thallium Vanadium Zinc Calcium Chloride Magnesium 7439-96-5 7439-97-6 7439-98-7 7440-02-0 7782-49-2 7440-24-6 7440-28-0 7440-62-2 7440-66-6 7440-70-2 16887-00-6 7439-95-4 mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg 5200 8 1200 4400 1200 100000 2.4 1200 70000 NS NS NS 65 1 NS 130 2.1 NS 0.28 6 1200 NS NS NS 982 0.009 U 2.9 U 13 3.1 J 20.6 5.8 U 25.1 47.1 1160 287 U 2350 323 0.0088 U 2.7 U 15.6 7.3 29.3 5.4 U 21.8 65.4 2400 278 U 3300 585 0.0093 U 2.8 U 14.3 5.7 U 26.1 5.7 U 20.5 47.3 2600 282 U 2890 925 0.011 U 3.6 U 11.1 7.1 U 20.9 7.1 U 20.3 42.7 2270 345 U 3180 655 0.0098 U 3 U 22.6 6.1 U 27 6.1 U 24.8 79.7 2330 293 U 7580 1180 0.009 3.7 26.6 5.3 U 280 5.3 U 19.2 113 52500 256 U 9160 Page 2 of 3 Table 8-4. Total Inorganic Results - Background PWR and Bedrock Matrix Sample Name Sample ID Sample Date PWR BG-5D(10-12)2015017062 5/27/2015 PWR BG-5D(13-15)2015017066 5/27/2015 PWR BG-5D(17-19)2015017063 5/27/2015 PWR BG-5D(19-21)2015017065 5/27/2015 PWR BG-5D(21-23)2015017064 5/27/2015 Rock MW-23BR(10-12)2015014249 5/9/2015 General Notes: mg/kg - milligrams per kilogram NA - Not analyzed or not reported by analytical laboratory Std. Units - pH units PWR - Partially weathered rock Comparison Criteria: Qualifier Notes: U -- Not detected above the reporting detection limit. J -- Estimated Concentration J+ -- Estimated concentration, biased high. J- --Estimated concentration, biased low. NS - No applicable standard for this parameter North Carolina Department of Environment and Natural Resources Division of Waste Management Soil Remediation Goals Table (March 2015) - Preliminary Industrial Health Based Soil Remediation Goal (PSRG) and Protection of Groundwater PSRG. Italic/underline - indicates exceedance of NCDENR Protection of Groundwater PSRG bold - indicates exceedance of NC Industrial Health Based PSRG Shading indicates exceedance of either applicable criteria. **Note: No PSRG for Total Chromium is currently available, as a surrogate the PSRG for Trivalent Chromium was used for comparison purposes only. Analyte CAS RN Result Unit NCDENR Industrial Health PSRG NCDENR Protection of Groundwater PSRG Nitrate Potassium Sodium Sulfate pH (field)Total Organic Carbon 14797-55-8 7440-09-7 7440-23-5 14808-79-8 PH TOC mg/kg mg/kg mg/kg mg/kg Std. Units mg/kg 100000 NS NS NS NS NS NS NS NS NS NS NS 28.7 UJ 939 290 U 287 U 6.6 J 577 J 27.8 UJ 1170 270 U 278 U 7.1 J 348 J 28.2 UJ 727 283 U 282 U 7.5 J 673 U 34.5 UJ 998 357 U 345 U 7.3 J 574 J 29.3 UJ 2090 304 U 293 U 8.1 J 482 J 25.6 UJ 1740 267 U 256 U 7.8 J 23600 Page 3 of 3 Table 8-5. Total Inorganic Results Soil Aluminum Antimony Arsenic Barium Beryllium Boron Cadmium Chromium Cobalt Copper Iron 7429-90-5 7440-36-0 7440-38-2 7440-39-3 7440-41-7 7440-42-8 7440-43-9 7440-47-3 7440-48-4 7440-50-8 7439-89-6 mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg 100000 94 3 44000 460 46000 200 100000 70 9400 100000 NS 0.9 5.8 580 63 45 3 360000 0.9 700 150 Sample Name Sample ID Sample Date AB-10D(10-11.5)2015015518 5/16/2015 13200 5.8 U 5.8 U 124 1.9 18.3 0.7 U 16.3 11.9 21.5 26700 AB-10D(45-46.5)2015015519 5/16/2015 15300 6.2 U 6.2 U 180 1.1 21.5 0.74 U 33.4 13.1 20.7 27200 AB-10D(60-60.7)2015015521 5/18/2015 6360 5.7 U 5.7 U 47 0.52 14.1 U 0.68 U 12.7 5.5 J 5.2 12700 AB-15D (26.0-26.5)92255787002 6/22/2015 12300 7.1 U 9 157 0.95 17.7 U 0.85 U 23.8 7.1 U 10.4 26700 AB-25BR(0-2)2015017070 5/28/2015 7880 5.9 U 21.6 313 1.5 14.7 U 0.7 U 19.6 10.2 22.6 12400 AB-25BR(45-46)2015017073 5/30/2015 12900 7 U 71.8 155 0.8 17.5 U 0.84 U 27.6 11.9 16 22500 AB-25BR(50-51)2015017074 5/30/2015 8950 7.2 U 7.8 106 0.57 18 U 0.86 U 29.7 10.4 14.2 16900 AB-30D(3-5)2015018005 6/2/2015 10200 7 U 7 U 134 0.99 17.6 U 0.84 U 14.8 13.5 16.5 19800 AB-30D(15-16.5)2015018006 6/2/2015 12900 7.7 U 7.7 U 98 1 19.2 U 0.92 U 18.9 9.9 16.2 23400 AB-30D(30-31.3)2015018007 6/2/2015 18500 6.5 U 6.5 U 62.9 0.63 16.2 U 0.78 U 54.1 7.2 21.7 52400 AB-30D(45-46.5)2015018008 6/2/2015 2300 5.4 U 5.4 U 15.1 0.27 U 13.4 U 0.64 U 34.7 5.4 U 3.7 6400 AB-35BR(25.0-26.5)2015020045 6/5/2015 12400 5.3 U 3.6 J 92.2 0.99 13.3 U 0.64 U 20.6 11.5 13.2 24300 AB-35BR(30.0-31.5)2015020046 6/5/2015 9460 5.8 U 5.8 U 55.5 0.56 14.5 U 0.7 U 12.7 10 14.4 22000 AS-10D(4-4.5)2015010607 4/10/2015 14600 3.7 U 9.3 88.3 1.1 18.6 U 0.45 U 24.7 18.9 83.2 32400 AS-10D(15-15.5)2015010608 4/10/2015 14000 3.2 U 14.3 95.6 0.55 15.8 U 0.38 U 28 13.1 31.1 31900 AS-12S(5-6.5)2015014245 5/8/2015 15300 5.6 U 5.6 U 89.9 1.4 14 U 0.67 U 26.2 18.3 28.6 35400 AS-12S(15-16.5)2015014246 5/8/2015 18600 5.3 U 8.2 98.1 1.5 13.2 U 0.64 U 34.1 17.5 40.3 43200 AS-12S(20-21.5)2015014247 5/8/2015 22700 5.6 U 8.5 62.4 1.2 14 U 0.67 U 36.1 26.2 70.1 44800 AS-2D(3-5)2015018001 5/20/2015 13000 5.5 UJ 5.5 UJ 127 1.8 13.8 U 0.66 UJ 15.2 14.2 21.8 26000 AS-2D(5-6.5)2015018002 5/29/2015 10800 5.8 U 5.8 U 114 1.3 14.5 U 0.7 U 14.5 17.6 19 21100 AS-2D(20-21.5)2015018003 5/30/2015 15700 6 U 6 U 85.1 0.99 15 U 0.72 U 17.7 12.5 28.3 30900 AS-2D(30-31.5)2015018004 5/30/2015 15100 5.9 U 5.9 U 67.3 1.2 14.7 U 0.7 U 16.9 8.6 22.1 27900 AS-4D(21-22.5)2015008620 3/24/2015 6640 3 U 3 U 19.6 0.24 13.6 J 0.36 U 7.8 5.5 9.1 9660 AS-6D(4-4.5)2015010610 4/13/2015 10600 3 U 2.5 J 46.9 0.71 15 U 0.36 U 18.8 1.7 J 14.3 31400 AS-6D(19.5-21)2015012017 4/15/2015 14700 5.9 U 5.9 U 51.8 1.8 14.7 U 0.71 U 17.2 10.4 18.9 33600 AS-6D(39.5-41)2015012018 4/15/2015 21100 6.5 U 11 65.1 2 16.2 U 0.78 U 60.9 20.6 59.7 53500 AS-8D(27-28.5)2015010596 4/8/2015 8130 5.9 U 5.9 U 72.6 1.7 14.8 U 0.71 U 7.6 11.1 7.8 15500 AS-8D(32-33.3)2015010597 4/8/2015 9280 6.5 U 6.5 U 134 2.1 16.2 U 0.78 U 12.9 18.8 17 21700 BG-1D(0-2)2015015888 5/19/2015 7980 J 7.9 UJ 7.9 UJ 51.8 J+0.46 19.8 U 0.95 U 15.5 5.6 J+12.1 16500 BG-5D(1-2)2015017061 5/27/2015 13200 6.3 R 3.9 J-57.8 J+0.56 15.7 UJ 0.75 UJ 40.2 J-6.8 J-21.7 30400 GWA-10D(9-10)2015014241 5/5/2015 19900 5.7 U 5.7 U 103 2.9 14.3 U 0.69 U 14.9 18.6 12.5 27500 GWA-10D(19-20)2015014242 5/5/2015 16200 6 U 6 U 140 1.4 15.1 U 0.73 U 67.1 11.1 61.3 40000 GWA-10D(25)2015014243 5/5/2015 18500 5.3 U 5.3 U 130 1.4 13.3 U 0.64 U 20.2 16.1 10.8 40100 GWA-10D(28-29)2015014244 5/5/2015 17800 5.7 U 5.7 U 138 1.8 14.3 U 0.69 U 26.1 15.7 24.4 36700 GWA-11D(10-11.5)2015008613 3/21/2015 12300 2.8 U 2.8 U 75.9 1.1 20.9 0.33 U 9.9 9.5 8.6 16900 GWA-11D(25-26.5)2015008614 3/21/2015 16000 2.8 UJ 3 J-103 1.3 38.3 0.26 J 15.2 22.4 70.6 32900 GWA-12D(10-11.5)2015013172 4/21/2015 38900 6 U 14.8 242 1.8 62.1 0.72 U 46.2 27.2 70.4 63300 GWA-12D(15-15.2)2015013183 4/21/2015 30500 5.7 U 15 193 1.7 53.8 J 0.68 U 42.9 22.5 58.9 52200 GWA-12D(20-21)2015013173 4/22/2015 25900 5.1 U 6.9 109 1.1 63.1 0.62 U 187 21.5 69.6 62500 GWA-12S(13-15)2015013174 4/22/2015 32900 7.6 U 30.6 200 2 60.1 J 0.91 U 48.7 23.9 67.5 58700 GWA-14S(4-6)92255774004 6/19/2015 18800 6.6 U 6.6 U 248 1.7 16.6 U 1.5 26.3 18.7 78.2 57900 GWA-15D(18.0-21.0)92255774005 6/18/2015 11300 5.9 U 5.9 U 106 0.8 14.9 U 0.71 U 28.2 11.8 12.4 21500 GWA-15D(18-21)92255774006 6/18/2015 11100 11.7 U 11.7 U 104 0.78 14.7 U 1.4 U 26.3 11.5 J 12.1 21300 GWA-1D(30-31.5)2015015493 5/7/2015 14800 6.5 UJ 4.8 J-65.8 J-1.4 16.2 U 0.78 UJ 10.6 33.3 51.2 27800 GWA-1D(40-40.5)2015015499 5/7/2015 14900 5.5 U 5.5 U 148 2.8 13.7 U 0.66 UJ 23.5 20.2 61.7 42200 GWA-1D(102-104)2015015503 5/12/2015 21800 5.7 U 9.4 64.7 1.5 14.1 U 0.68 UJ 28.6 16.3 58.1 42400 GWA-2D(19-20)2015015504 5/12/2015 19500 5.8 U 3.8 J 207 2 14.4 U 0.69 UJ 30.6 18.6 41 48300 GWA-2D(24-25)2015015505 5/12/2015 17500 6 U 6 U 160 1.4 14.9 U 0.71 UJ 20.2 13.8 31.2 35900 GWA-3D(5-6.5)2015010598 4/6/2015 8390 5.5 U 5.5 U 44.6 1.6 13.9 U 0.67 U 12.7 7.1 41.4 27600 GWA-3D(20-21.4)2015010599 4/7/2015 13000 6.2 U 3.7 J 175 2.9 15.5 U 0.75 U 14.3 31.5 21.7 36900 GWA-3D(25-25.9)2015010600 4/7/2015 10000 5.8 U 5.8 U 90.3 0.95 14.5 U 0.69 U 14.7 10.7 13.3 18400 Analyte CAS RN Result Unit NC PSRG Industrial Health NC PSRG Protection of Groundwater Page 1 of 9 Table 8-5. Total Inorganic Results Soil Aluminum Antimony Arsenic Barium Beryllium Boron Cadmium Chromium Cobalt Copper Iron 7429-90-5 7440-36-0 7440-38-2 7440-39-3 7440-41-7 7440-42-8 7440-43-9 7440-47-3 7440-48-4 7440-50-8 7439-89-6 mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg 100000 94 3 44000 460 46000 200 100000 70 9400 100000 NS 0.9 5.8 580 63 45 3 360000 0.9 700 150 Sample Name Sample ID Sample Date Analyte CAS RN Result Unit NC PSRG Industrial Health NC PSRG Protection of Groundwater GWA-4D(28)2015015885 5/20/2015 12300 5.7 U 5.7 U 113 1.2 14.3 U 0.69 U 13 7.7 15.3 19000 GWA-4D(33)2015015886 5/20/2015 13000 5.5 U 5.5 U 101 1 13.8 U 0.66 U 16.5 11.9 15.7 27500 GWA-5BR(0-4.0)2015015522 5/18/2015 17600 6.1 U 6.1 U 118 1.2 15.2 U 0.73 U 38.2 21.6 21.4 36600 GWA-5BR(5-6.5)2015015523 5/19/2015 15400 6.7 U 6.7 U 126 1.1 16.7 U 0.8 U 34.2 15 20.5 30900 GWA-6S(9-11)2015020051 6/12/2015 2610 6.1 U 6.1 U 31.9 0.16 J 15.3 U 0.74 U 8.9 3.5 J 4.4 5260 GWA-6S(13.0-14.0)2015020050 6/12/2015 10700 6.5 U 6.5 U 110 0.61 16.2 U 0.78 U 24.7 13.6 16 20300 GWA-7S(16-17)2015017067 5/27/2015 10100 5.6 U 5.6 U 131 0.96 14 U 0.67 U 21.9 9.6 15 17600 GWA-7S(22-23)2015017069 5/27/2015 12900 5.7 U 3.2 J 195 2.3 14.2 U 0.68 U 17.9 16.3 13.6 25600 GWA-8D(5-10)2015013191 4/30/2015 11000 5.2 U 5.2 U 45 0.75 12.7 J 0.63 U 28.8 5.7 14.2 20900 GWA-8D(15-20)2015013192 4/30/2015 18000 5.6 U 5.6 U 72.9 1.1 30.3 J 0.67 U 29.6 16.9 22.4 32100 GWA-8D(20-22)2015013193 4/30/2015 27500 5.2 U 5.2 U 72.1 1.2 47.1 J 0.63 U 32.9 16.9 51.4 46500 GWA-9D(20-21.5)2015015508 5/13/2015 9620 5.4 U 5.4 U 34.2 0.64 13.4 U 0.64 UJ 18.8 10.5 6.4 16500 GWA-9D(30-31.5)2015015509 5/13/2015 11700 6 U 6 U 58.7 1.7 14.9 U 0.71 UJ 10.6 16.8 16.8 16900 GWA-9D(40-41.5)2015015510 5/13/2015 7360 5.8 U 5.8 U 40.5 0.93 14.6 U 0.7 UJ 6.4 9.3 2.8 12200 GWA-9D(55-56.5)2015015507 5/13/2015 23900 6.3 U 4.6 J 101 2 15.8 UJ 0.76 UJ 28.1 16.7 70.3 55900 MW-22BR(7-8)2015018019 6/7/2015 17200 6.9 U 6.9 U 162 1.3 17.2 U 0.82 U 51.2 19.7 28.2 37700 MW-22BR(17-23)2015018017 6/7/2015 12800 7.7 U 7.7 U 128 0.8 19.2 U 0.92 U 30.7 11.9 19.2 24000 MW-22BR(27-29)2015018020 6/7/2015 5720 5.3 U 5.3 U 21 0.3 13.3 U 0.64 U 6.5 4.4 J 11.9 11000 MW-22BR(29-31)2015018018 6/7/2015 12100 6.7 U 6.7 U 60.5 0.66 16.7 U 0.8 U 16.6 11.8 18.1 21600 MW-23BR(1-2)2015014248 5/8/2015 28700 6.2 U 9.3 138 1.4 15.5 U 0.75 U 29.1 24.7 50.8 50500 MW-303BR(10-11.5)2015010601 4/8/2015 9410 6.7 U 39.9 303 1.5 16.8 U 0.81 U 13.4 49.6 31.8 16600 MW-303BR(80-81.5)2015010605 4/8/2015 18500 7 U 7 U 76.4 0.99 34.9 U 0.84 U 26.2 8.3 35.4 45900 MW-303BR(90-91.5)2015010606 4/8/2015 16800 3.1 UJ 16.2 117 2.4 J-31.3 U 0.75 UJ 27.2 10.6 J+33.7 25300 MW-310BR(10-11.5)2015013184 4/29/2015 13000 5.7 U 5.7 U 73.6 1.5 14.3 U 0.69 U 11.4 7.5 11.9 19400 MW-310BR(20-21.5)2015013185 4/29/2015 13900 7.8 U 59.6 397 3.7 27.6 0.94 U 23.5 10.7 62.6 8240 MW-310BR(25-26.5)2015013186 4/29/2015 17300 5.9 UJ 3.6 J-304 2.9 14.7 U 0.71 U 29.5 14.4 32.9 36400 MW-310BR(35-35.4)2015013187 4/29/2015 15900 5.5 U 5.5 U 210 1.6 13.8 U 0.66 U 23 26.3 24.1 29100 MW-311BR(44-46)2015018011 6/5/2015 12100 7.1 U 7.1 U 136 0.78 17.6 U 0.85 U 27.9 12.6 16.8 23700 MW-314BR(10-11.5)2015015511 5/13/2015 15300 8 U 8 U 108 1.6 20.1 U 0.96 UJ 18.9 9.2 18.2 29600 MW-314BR(40-41.5)2015015514 5/13/2015 17600 5.6 U 5.6 U 166 2.2 14 U 0.67 UJ 30.4 9.5 3.3 32400 MW-314BR(45.0-50.45)2015015515 5/13/2015 12100 6.8 U 6.8 U 49.6 0.66 17.1 U 0.82 UJ 13.9 7.6 15.6 25100 MW-315BR(24.0-25.5)2015013176 4/23/2015 18900 5.7 U 3.7 J 118 2.9 42.6 J 0.68 U 17.7 39.4 55.3 42300 MW-315BR(34.0-35.5)2015013178 4/23/2015 28400 6.2 U 6.2 U 169 4.2 50.6 J 0.75 U 26.5 30.4 31.8 53300 MW-317BR(5-7)2015013188 4/28/2015 20000 6.2 U 10.2 126 2.4 15.6 U 0.75 U 30.6 7.5 57.7 37600 MW-317BR(10-11)2015013189 4/28/2015 17400 5.5 U 4.1 J 59.9 1.9 13.8 U 0.66 U 15.7 7.5 54.3 18500 MW-317BR(15-16)2015013190 4/28/2015 18400 5.4 UJ 5.4 UJ 186 2.8 38.2 J-0.64 U 21.6 18.9 24.3 39300 J+ MW-318D(24-25)2015014239 5/5/2015 10600 6.9 U 6.9 U 75.9 1 17.2 U 0.82 U 17 7 5.2 18900 MW-318D(29-30)2015014240 5/5/2015 11600 5.2 U 5.2 U 77.5 1.2 13.1 U 0.63 U 11.3 10 13 24900 SB-1(1-2)2015014231 5/2/2015 22200 6.8 UJ 4 J-63.6 J+0.72 17 UJ 0.81 U 21.9 7 J+21.9 41800 SB-1(10-11.5)2015014232 5/2/2015 33200 5.6 U 4.6 J 59.6 3.9 14 U 0.67 U 32.7 18.9 44.6 95900 SB-1(15-16.5)2015014233 5/2/2015 23600 6 U 3.1 J 51.6 2.7 15.1 U 0.72 U 19.9 16.2 25.1 54700 SB-1(20-21.5)2015014234 5/2/2015 27600 5.9 U 5.3 J 74.8 2.2 14.8 U 0.71 U 28.5 14.6 47.9 54800 SB-1(25-26.5)2015014235 5/2/2015 18700 5.6 U 20 73.8 1.7 14.1 U 0.44 J 17 26.2 79.5 39300 SB-1(35-35.5)2015014238 5/6/2015 16600 5.5 U 5.5 U 67.4 1.5 13.8 U 0.66 U 15.4 12.5 65.4 28500 SB-2(1-2)2015012028 4/14/2015 14000 6.3 U 6.3 U 110 2 15.7 U 0.76 U 20.3 13 27.7 30300 SB-2(10-11.5)2015012019 4/15/2015 27700 5.8 U 5.8 U 110 2.1 14.5 U 0.69 U 30.9 12 57 49100 SB-2(20-21.5)2015012020 4/15/2015 24300 5.9 U 10.6 211 1.9 14.8 U 0.71 U 111 42.6 66.1 60300 SB-2(30-31.25)2015012022 4/15/2015 17400 5.9 U 9.2 71.3 1 14.7 U 0.71 U 34.7 20.1 68.4 42700 SB-2(35-36)2015012021 4/15/2015 19800 5.4 U 5.4 U 61.9 0.59 13.5 U 0.65 U 27.1 12 30.2 37100 SB-2(65-65.3)2015012023 4/15/2015 24600 6.1 U 8.6 74.4 0.86 15.2 U 0.73 U 36.1 21.8 57.8 49200 SB-3(1-2)2015012012 4/17/2015 14300 6.6 UJ 7 J 102 1.6 16.5 U 0.79 U 18 8.9 J-26.9 33600 Page 2 of 9 Table 8-5. Total Inorganic Results Soil Aluminum Antimony Arsenic Barium Beryllium Boron Cadmium Chromium Cobalt Copper Iron 7429-90-5 7440-36-0 7440-38-2 7440-39-3 7440-41-7 7440-42-8 7440-43-9 7440-47-3 7440-48-4 7440-50-8 7439-89-6 mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg 100000 94 3 44000 460 46000 200 100000 70 9400 100000 NS 0.9 5.8 580 63 45 3 360000 0.9 700 150 Sample Name Sample ID Sample Date Analyte CAS RN Result Unit NC PSRG Industrial Health NC PSRG Protection of Groundwater SB-3(10-11)2015012013 4/18/2015 15000 6.4 U 6.4 U 104 1.2 16 U 0.77 U 19.3 16.1 23.3 27700 SB-3(20-21.5)2015012014 4/18/2015 17700 5.8 U 5.8 U 63 1.5 14.5 U 0.7 U 17.7 7.5 23.4 28800 SB-3(35-36.5)2015013171 4/18/2015 12100 6.5 U 6.5 U 89.7 0.75 35.9 J 0.79 U 12.8 22.6 15.6 34400 SB-3(40-40.3)2015012015 4/18/2015 15600 7.2 U 7.2 U 63.1 1.5 17.9 U 0.86 U 19.1 12.8 64.3 26700 SB-3(45-45.2)2015012016 4/18/2015 17100 5.5 U 5.5 U 56.7 1 13.8 U 0.66 U 21.1 10.9 31 28700 General Notes: mg/kg - milligrams per kilogram NA - Not analyzed or not reported by analytical laboratory Std. Units - pH units Comparison Criteria: Shading indicates exceedance of either applicable criteria. Qualifier Notes: U -- Not detected above the reporting detection limit. J -- Estimated Concentration J+ -- Estimated concentration, biased high. J- --Estimated concentration, biased low. bold - indicates exceedance of NCDENR Industrial Health Based PSRG Italic/underline - indicates exceedance of NCDENR Protection of Groundwater PSRG North Carolina Department of Environment and Natural Resources Division of Waste Management Soil Remediation Goals Table (March 2015) - Preliminary Industrial Health Based Soil Remediation Goal (PSRG) and Protection of Groundwater PSRG.**Note: No PSRG for Total Chromium is currently available, as a surrogate the PSRG for Trivalent Chromium was used for comparison purposes only. NS - No applicable standard for this parameter Page 3 of 9 Table 8-5. Total Inorganic Results Soil Sample Name Sample ID Sample Date AB-10D(10-11.5)2015015518 5/16/2015 AB-10D(45-46.5)2015015519 5/16/2015 AB-10D(60-60.7)2015015521 5/18/2015 AB-15D (26.0-26.5)92255787002 6/22/2015 AB-25BR(0-2)2015017070 5/28/2015 AB-25BR(45-46)2015017073 5/30/2015 AB-25BR(50-51)2015017074 5/30/2015 AB-30D(3-5)2015018005 6/2/2015 AB-30D(15-16.5)2015018006 6/2/2015 AB-30D(30-31.3)2015018007 6/2/2015 AB-30D(45-46.5)2015018008 6/2/2015 AB-35BR(25.0-26.5)2015020045 6/5/2015 AB-35BR(30.0-31.5)2015020046 6/5/2015 AS-10D(4-4.5)2015010607 4/10/2015 AS-10D(15-15.5)2015010608 4/10/2015 AS-12S(5-6.5)2015014245 5/8/2015 AS-12S(15-16.5)2015014246 5/8/2015 AS-12S(20-21.5)2015014247 5/8/2015 AS-2D(3-5)2015018001 5/20/2015 AS-2D(5-6.5)2015018002 5/29/2015 AS-2D(20-21.5)2015018003 5/30/2015 AS-2D(30-31.5)2015018004 5/30/2015 AS-4D(21-22.5)2015008620 3/24/2015 AS-6D(4-4.5)2015010610 4/13/2015 AS-6D(19.5-21)2015012017 4/15/2015 AS-6D(39.5-41)2015012018 4/15/2015 AS-8D(27-28.5)2015010596 4/8/2015 AS-8D(32-33.3)2015010597 4/8/2015 BG-1D(0-2)2015015888 5/19/2015 BG-5D(1-2)2015017061 5/27/2015 GWA-10D(9-10)2015014241 5/5/2015 GWA-10D(19-20)2015014242 5/5/2015 GWA-10D(25)2015014243 5/5/2015 GWA-10D(28-29)2015014244 5/5/2015 GWA-11D(10-11.5)2015008613 3/21/2015 GWA-11D(25-26.5)2015008614 3/21/2015 GWA-12D(10-11.5)2015013172 4/21/2015 GWA-12D(15-15.2)2015013183 4/21/2015 GWA-12D(20-21)2015013173 4/22/2015 GWA-12S(13-15)2015013174 4/22/2015 GWA-14S(4-6)92255774004 6/19/2015 GWA-15D(18.0-21.0)92255774005 6/18/2015 GWA-15D(18-21)92255774006 6/18/2015 GWA-1D(30-31.5)2015015493 5/7/2015 GWA-1D(40-40.5)2015015499 5/7/2015 GWA-1D(102-104)2015015503 5/12/2015 GWA-2D(19-20)2015015504 5/12/2015 GWA-2D(24-25)2015015505 5/12/2015 GWA-3D(5-6.5)2015010598 4/6/2015 GWA-3D(20-21.4)2015010599 4/7/2015 GWA-3D(25-25.9)2015010600 4/7/2015 Analyte CAS RN Result Unit NC PSRG Industrial Health NC PSRG Protection of Groundwater Lead Manganese Mercury Molybdenum Nickel Selenium Strontium Thallium Vanadium Zinc Calcium 7439-92-1 7439-96-5 7439-97-6 7439-98-7 7440-02-0 7782-49-2 7440-24-6 7440-28-0 7440-62-2 7440-66-6 7440-70-2 mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg 800 5200 8 1200 4400 1200 100000 2.4 1200 70000 NS 270 65 1 NS 130 2.1 NS 0.28 6 1200 NS 13 276 0.0074 J 2.9 U 17.3 4.3 U 23.3 5.8 U 19.6 54.9 715 8.5 890 0.026 3.1 U 16.8 4.6 U 27.4 6.2 U 61.8 48.8 1530 7.9 207 0.0088 U 2.8 U 9.2 4.2 U 9.8 5.7 U 8.1 28.3 933 9.4 36.9 0.1 3.5 U 6.1 7.1 U 38.5 7.1 U 55.4 12.6 1730 9.1 188 0.11 1.7 J 11.6 3.5 J 55.5 5.9 U 34.5 33.5 864 8 494 0.015 3.5 U 11.2 5.6 J 72.1 7 U 83.2 43.6 3500 6.3 J 332 0.026 3.6 U 8.9 6.7 J 61 7.2 U 83.2 37.9 7320 14.4 746 0.012 U 3.5 U 15.1 7 U 29.6 7 U 23.8 48.4 1900 11.8 361 0.01 J 3.8 U 10.6 7.7 U 14.5 7.7 U 33.7 29.4 788 14.7 120 0.078 3.2 U 9.4 6.5 U 10.7 6.5 U 125 23.6 776 5.4 U 76.3 0.0081 U 4.4 2.9 5.4 U 4 5.4 U 8.7 9 1480 10.2 413 0.0088 U 2.7 U 22.7 5.3 U 43.7 5.3 U 19.9 67.9 2710 21.5 338 0.0094 U 2.9 U 14.1 5.8 U 20.1 5.8 U 15.3 48.2 2090 21.2 333 0.23 3.7 U 20.8 3.7 U 16.7 3.7 U 33.4 58.2 647 7.7 1020 0.01 U 2.1 J 20.3 3.2 U 62.5 3.2 U 48.3 67.4 3410 13.8 273 0.0083 J 2.4 J 23.4 5.6 U 36.1 5.6 U 29.2 81.2 2160 21.5 479 0.02 4.9 39.4 5.3 U 69.6 5.3 U 32.6 86.9 5560 15.5 396 0.012 4.6 41.9 5.6 UJ 56.5 5.6 U 33.2 99.8 11200 17.8 646 0.0096 UJ 2.8 U 20.1 J+3.8 J-25.3 5.5 U 23.7 62.2 964 15.8 593 0.0096 U 2.9 U 18.2 3 J 25.7 5.8 U 21.2 57.3 1100 16.6 163 0.015 3 U 15.9 6 U 11.6 6 U 27.8 55.1 461 12.7 193 0.011 2.9 U 14.5 5.9 U 5.9 5.9 U 18.7 47.5 108 J 15.6 139 0.01 U 0.59 U 8.5 3 U 5.9 3 U 11.5 27.3 230 16.5 33.3 0.014 3 U 1.2 J 3 U 3 U 3 U 36.3 14.7 150 U 14.1 293 0.0075 J 2.9 U 13.9 5.9 U 2.9 U 5.9 U 35 57.9 147 U 13.4 606 0.014 5.7 21.4 6.5 U 26.3 6.5 U 29.2 74.8 1670 10.4 291 0.0099 U 3 U 8.9 5.9 U 19.8 5.9 U 15.2 26.3 1420 87 576 0.012 3.2 U 15.4 6.5 U 18 6.5 U 23.8 55.1 688 10.8 J+177 0.033 4 U 4.6 5.9 U 6.7 7.9 UJ 27.9 20.6 475 15.1 113 0.026 3.1 U 7.4 6.3 R 6.5 6.3 UJ 45.9 26.7 248 13.5 247 0.0096 U 2.9 U 19.4 5.7 U 7.7 5.7 U 26.6 67 185 14.1 376 0.0099 U 12.1 24.3 6 U 27.9 6 U 20.8 78.3 1120 15 373 0.0081 U 2.7 U 32.3 3 J 55 5.3 U 22.5 112 2100 18.3 449 0.0091 U 2.9 U 26.9 5.7 U 40.8 5.7 U 24.7 85.6 1520 19.2 233 0.0074 J 2.8 UJ 8.5 3.3 5 2.8 U 21.4 25.2 99.4 J 27.6 1330 0.01 U 2.8 U 31.6 3.4 J-50.2 2.8 U 22.7 111 1940 17.5 916 0.0092 UJ 3 U 48 3.9 J 75.3 6 U 75.7 136 4810 16.1 823 0.0092 UJ 2.2 J 39.7 5.7 U 70.5 5.7 U 65.1 106 5660 13 1120 0.0088 U 22.6 45.3 5.1 U 257 5.1 U 56.9 112 23900 21.5 698 0.009 J 5.6 41.9 7.6 U 72.5 7.6 U 67.2 119 4990 11.6 597 0.014 3.3 U 16.9 10.2 24.9 6.6 U 50.5 69.7 1560 7.6 373 0.014 3 U 12.5 5.9 U 12.6 5.9 U 45.9 42.5 1130 5.9 U 383 0.014 2.9 U 12.3 11.7 U 12.6 5.9 U 43.6 43.4 1150 15.9 652 J 0.01 U 3.2 U 15.5 2.7 J 3.2 U 6.5 U 29.5 70.4 162 U 29.5 835 0.0089 U 1.5 J 36.2 3.3 J 23 5.5 U 22.6 138 996 14.4 671 0.014 2.5 J 27.9 2.8 J 44.4 5.7 U 26.5 107 13100 13.5 468 0.006 J 2.9 U 29.9 3.2 J 19.5 5.8 U 30.2 139 908 15.5 465 0.0053 J 3 U 22.5 4.5 U 21.6 6 U 29 106 1260 20 83.7 0.0051 J 4.3 7.7 5.5 U 2.8 U 5.5 U 11.3 41 139 U 21.2 941 0.0066 J 1.8 J 22.8 6.2 U 30.3 6.2 U 30.6 93.4 1170 12.6 481 0.0091 U 2.9 U 24.7 5.8 U 24.1 5.8 U 24.9 55.9 851 Page 4 of 9 Table 8-5. Total Inorganic Results Soil Sample Name Sample ID Sample Date Analyte CAS RN Result Unit NC PSRG Industrial Health NC PSRG Protection of Groundwater GWA-4D(28)2015015885 5/20/2015 GWA-4D(33)2015015886 5/20/2015 GWA-5BR(0-4.0)2015015522 5/18/2015 GWA-5BR(5-6.5)2015015523 5/19/2015 GWA-6S(9-11)2015020051 6/12/2015 GWA-6S(13.0-14.0)2015020050 6/12/2015 GWA-7S(16-17)2015017067 5/27/2015 GWA-7S(22-23)2015017069 5/27/2015 GWA-8D(5-10)2015013191 4/30/2015 GWA-8D(15-20)2015013192 4/30/2015 GWA-8D(20-22)2015013193 4/30/2015 GWA-9D(20-21.5)2015015508 5/13/2015 GWA-9D(30-31.5)2015015509 5/13/2015 GWA-9D(40-41.5)2015015510 5/13/2015 GWA-9D(55-56.5)2015015507 5/13/2015 MW-22BR(7-8)2015018019 6/7/2015 MW-22BR(17-23)2015018017 6/7/2015 MW-22BR(27-29)2015018020 6/7/2015 MW-22BR(29-31)2015018018 6/7/2015 MW-23BR(1-2)2015014248 5/8/2015 MW-303BR(10-11.5)2015010601 4/8/2015 MW-303BR(80-81.5)2015010605 4/8/2015 MW-303BR(90-91.5)2015010606 4/8/2015 MW-310BR(10-11.5)2015013184 4/29/2015 MW-310BR(20-21.5)2015013185 4/29/2015 MW-310BR(25-26.5)2015013186 4/29/2015 MW-310BR(35-35.4)2015013187 4/29/2015 MW-311BR(44-46)2015018011 6/5/2015 MW-314BR(10-11.5)2015015511 5/13/2015 MW-314BR(40-41.5)2015015514 5/13/2015 MW-314BR(45.0-50.45)2015015515 5/13/2015 MW-315BR(24.0-25.5)2015013176 4/23/2015 MW-315BR(34.0-35.5)2015013178 4/23/2015 MW-317BR(5-7)2015013188 4/28/2015 MW-317BR(10-11)2015013189 4/28/2015 MW-317BR(15-16)2015013190 4/28/2015 MW-318D(24-25)2015014239 5/5/2015 MW-318D(29-30)2015014240 5/5/2015 SB-1(1-2)2015014231 5/2/2015 SB-1(10-11.5)2015014232 5/2/2015 SB-1(15-16.5)2015014233 5/2/2015 SB-1(20-21.5)2015014234 5/2/2015 SB-1(25-26.5)2015014235 5/2/2015 SB-1(35-35.5)2015014238 5/6/2015 SB-2(1-2)2015012028 4/14/2015 SB-2(10-11.5)2015012019 4/15/2015 SB-2(20-21.5)2015012020 4/15/2015 SB-2(30-31.25)2015012022 4/15/2015 SB-2(35-36)2015012021 4/15/2015 SB-2(65-65.3)2015012023 4/15/2015 SB-3(1-2)2015012012 4/17/2015 Lead Manganese Mercury Molybdenum Nickel Selenium Strontium Thallium Vanadium Zinc Calcium 7439-92-1 7439-96-5 7439-97-6 7439-98-7 7440-02-0 7782-49-2 7440-24-6 7440-28-0 7440-62-2 7440-66-6 7440-70-2 mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg 800 5200 8 1200 4400 1200 100000 2.4 1200 70000 NS 270 65 1 NS 130 2.1 NS 0.28 6 1200 NS 13.5 288 0.0048 J 2.9 U 14 4.3 U 23.2 5.7 U 16.1 43.7 1290 16.1 436 0.0089 U 2.8 U 15.3 3 J 31.9 5.5 U 20.1 56.1 1780 18.1 893 0.036 3 U 14.9 4.6 U 9.4 6.1 U 73.9 48.9 690 13.3 744 0.03 3.3 U 13.2 5 U 9.6 6.7 U 60.5 45.1 668 3.8 J 97.9 0.0072 J 3.1 U 3.2 6.1 U 3.6 6.1 U 12.1 11.9 298 7.9 237 0.018 3.2 U 11 6.5 U 21 6.5 U 52.4 34.3 1380 16.2 659 0.0074 J 2.8 U 12 5.6 U 21.2 5.6 U 28.1 37.8 994 20.2 567 0.009 U 2.8 U 23.6 6.1 32.8 5.7 U 22.8 74.2 1230 11.7 122 0.0084 U 2.6 U 10.6 5.2 U 4.6 5.2 U 35.8 31.2 173 J+ 15.1 938 0.0087 U 2.8 U 22.3 5.6 U 39.1 5.6 U 39 62.9 2580 14.9 326 0.0087 U 2.6 U 29.6 5.2 U 44.8 5.2 U 50.2 84.5 2750 11.6 267 0.0094 1.6 J 6.7 4 U 2.3 J 5.4 U 15.5 23.5 77.4 J+ 14 275 0.0068 J 3 U 12.5 4.5 U 5.6 6 U 14.9 57 109 J+ 18.2 328 0.0091 U 2.9 U 7 4.4 U 9 5.8 U 8.4 26 289 8.2 5170 0.011 3.2 U 45.8 7.8 144 6.3 U 18.7 203 39100 11.8 693 0.027 3.4 U 28.7 6.9 U 25.8 6.9 U 72.4 63.7 3050 12.1 359 0.043 3.8 U 12.1 7.7 U 9.8 7.7 U 57.2 46.9 915 6.2 310 0.0084 U 2.7 U 6.9 5.3 U 7 5.3 U 6 23.1 1380 13.5 968 0.011 U 3.3 U 16.2 6.7 U 13.7 6.7 U 18.4 50.5 2540 20.1 1050 0.038 3.1 U 26.3 6.2 U 17.2 6.2 U 51.4 83.1 1120 15.5 526 0.073 3.4 U 17 6.7 U 87 6.7 U 34.2 41.4 2360 14.8 104 0.023 0.7 U 11.3 7 U 9.3 7 U 45.8 43.4 285 27.1 133 0.035 6.3 UJ 23 J+6.7 J-43.2 J-3.1 U 25.9 87.4 9540 J 19 225 0.0058 J 2.9 U 10 5.7 UJ 7.7 5.7 U 18.8 27.6 261 J+ 24 104 0.11 3.9 U 26.7 7.8 U 205 7.8 U 62.7 36.3 5060 23.3 260 0.0095 U 2.9 UJ 26.3 4.9 J-31.6 J-5.9 U 35.5 90.9 1940 20.6 1010 0.0092 U 2.8 U 23 5.5 U 31.9 5.5 U 31.6 70 2950 6.7 J 543 0.018 3.5 U 14.1 7.1 U 11.5 7.1 U 48.6 45.7 1420 16.3 309 0.009 J 4 U 10.5 6 U 14.7 8 U 30.3 37.5 414 19.7 215 0.0089 U 2.8 U 24.6 2.8 J 36.8 5.6 U 21.8 95 2630 18.1 601 0.0098 U 3.4 U 14.6 5.1 U 29.7 6.8 U 9.1 48.8 2530 30 1600 0.0097 U 2.8 U 33.9 4.9 J 6.5 5.7 U 32.2 107 224 29.8 1530 0.0097 U 3.1 U 44.6 6.2 U 11.5 6.2 U 37.5 159 548 23.8 159 0.021 3.1 U 15.7 6.2 U 50.9 6.2 U 40.6 61.9 2340 18.2 69 0.0094 U 2.8 U 20.6 5.3 J 2.8 U 5.5 U 21.5 62.6 83.9 J+ 47.1 661 0.0082 U 2.7 U 33.4 4.3 J-27.4 5.4 U 32.9 100 1110 9.1 429 0.012 U 3.4 U 11.7 6.9 U 53.3 6.9 U 24.7 36.4 1390 18.5 470 0.0084 U 2.6 U 17.2 5.2 U 55.8 5.2 U 18.1 54.4 1410 13.9 J-113 0.047 3.4 U 9 6.8 UJ 8.6 6.8 U 39.9 40.1 172 25.9 418 0.0069 J 2.8 U 52.2 5.6 U 1.9 J 5.6 U 49.5 178 140 U 18.4 202 0.0052 J 3 U 27.5 6 U 3.2 6 U 38.7 107 151 U 14.9 145 0.04 3 UJ 17.1 5.9 U 21.8 5.9 U 54.4 70.5 269 31.3 328 0.038 7.4 38.9 5.6 U 78 5.6 U 19.1 178 9480 13.8 304 0.0047 J 2.8 U 28.8 5.5 U 12.1 5.5 U 16 72.6 1020 12.3 233 0.0092 UJ 3.1 U 12.6 6.3 U 10.3 6.3 U 21.3 51.1 429 21.5 256 0.012 2.9 U 19.1 5.8 U 4.4 5.8 U 41.4 83.5 145 U 18.9 1150 0.024 5.4 36.3 5.9 U 73.9 5.9 U 33.8 104 1930 18.2 395 0.0086 J 3.2 32.4 5.9 U 36.4 5.9 U 24.2 113 4160 11.4 837 0.0073 J 1.9 J 19.4 5.4 U 52.8 5.4 U 26.2 74.1 9850 16.5 433 0.011 1.6 J 31.9 6.1 U 60.7 6.1 U 34.1 91.4 10200 21.9 200 0.017 3.3 UJ 9 6.6 U 7.1 6.6 U 37.3 58.2 680 Page 5 of 9 Table 8-5. Total Inorganic Results Soil Sample Name Sample ID Sample Date Analyte CAS RN Result Unit NC PSRG Industrial Health NC PSRG Protection of Groundwater SB-3(10-11)2015012013 4/18/2015 SB-3(20-21.5)2015012014 4/18/2015 SB-3(35-36.5)2015013171 4/18/2015 SB-3(40-40.3)2015012015 4/18/2015 SB-3(45-45.2)2015012016 4/18/2015 General Notes: mg/kg - milligrams per kilogram NA - Not analyzed or not reported by analytical laboratory Std. Units - pH units Comparison Criteria: Shading indicates exceedance of either applicable criteria. Qualifier Notes: U -- Not detected above the reporting detection limit. J -- Estimated Concentration J+ -- Estimated concentration, biased high. J- --Estimated concentration, biased low. bold - indicates exceedance of NCDENR Industrial Health Based PSRG Italic/underline - indicates exceedance of NCDENR Protection of Groundwater PSRG North Carolina Department of Environment and Natural Resources Division of Waste Management Soil Remediation Goals Table (March 2015) - Preliminary Industrial Health Based Soil Remediation Goal (PSRG) and Protection of Groundwater PSRG.**Note: No PSRG for Total Chromium is currently available, as a surrogate the PSRG for Trivalent Chromium was used for comparison purposes only. NS - No applicable standard for this parameter Lead Manganese Mercury Molybdenum Nickel Selenium Strontium Thallium Vanadium Zinc Calcium 7439-92-1 7439-96-5 7439-97-6 7439-98-7 7440-02-0 7782-49-2 7440-24-6 7440-28-0 7440-62-2 7440-66-6 7440-70-2 mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg 800 5200 8 1200 4400 1200 100000 2.4 1200 70000 NS 270 65 1 NS 130 2.1 NS 0.28 6 1200 NS 23 601 0.03 3.2 U 12 6.4 U 13 6.4 U 35 46.5 1480 17.8 82.7 0.0052 J 2.9 U 16.9 5.8 U 2.5 J 5.8 U 34.3 61.1 433 22.9 2840 0.011 U 3.3 U 21.9 6.5 U 24.2 6.5 U 21.5 47.8 2010 13 289 0.0077 J 3.6 U 24.4 7.2 U 19.3 7.2 U 27 189 3110 10.3 274 0.0093 U 2.8 U 23.4 5.5 U 17.1 5.5 U 28.6 83.8 2740 Page 6 of 9 Table 8-5. Total Inorganic Results Soil Sample Name Sample ID Sample Date AB-10D(10-11.5)2015015518 5/16/2015 AB-10D(45-46.5)2015015519 5/16/2015 AB-10D(60-60.7)2015015521 5/18/2015 AB-15D (26.0-26.5)92255787002 6/22/2015 AB-25BR(0-2)2015017070 5/28/2015 AB-25BR(45-46)2015017073 5/30/2015 AB-25BR(50-51)2015017074 5/30/2015 AB-30D(3-5)2015018005 6/2/2015 AB-30D(15-16.5)2015018006 6/2/2015 AB-30D(30-31.3)2015018007 6/2/2015 AB-30D(45-46.5)2015018008 6/2/2015 AB-35BR(25.0-26.5)2015020045 6/5/2015 AB-35BR(30.0-31.5)2015020046 6/5/2015 AS-10D(4-4.5)2015010607 4/10/2015 AS-10D(15-15.5)2015010608 4/10/2015 AS-12S(5-6.5)2015014245 5/8/2015 AS-12S(15-16.5)2015014246 5/8/2015 AS-12S(20-21.5)2015014247 5/8/2015 AS-2D(3-5)2015018001 5/20/2015 AS-2D(5-6.5)2015018002 5/29/2015 AS-2D(20-21.5)2015018003 5/30/2015 AS-2D(30-31.5)2015018004 5/30/2015 AS-4D(21-22.5)2015008620 3/24/2015 AS-6D(4-4.5)2015010610 4/13/2015 AS-6D(19.5-21)2015012017 4/15/2015 AS-6D(39.5-41)2015012018 4/15/2015 AS-8D(27-28.5)2015010596 4/8/2015 AS-8D(32-33.3)2015010597 4/8/2015 BG-1D(0-2)2015015888 5/19/2015 BG-5D(1-2)2015017061 5/27/2015 GWA-10D(9-10)2015014241 5/5/2015 GWA-10D(19-20)2015014242 5/5/2015 GWA-10D(25)2015014243 5/5/2015 GWA-10D(28-29)2015014244 5/5/2015 GWA-11D(10-11.5)2015008613 3/21/2015 GWA-11D(25-26.5)2015008614 3/21/2015 GWA-12D(10-11.5)2015013172 4/21/2015 GWA-12D(15-15.2)2015013183 4/21/2015 GWA-12D(20-21)2015013173 4/22/2015 GWA-12S(13-15)2015013174 4/22/2015 GWA-14S(4-6)92255774004 6/19/2015 GWA-15D(18.0-21.0)92255774005 6/18/2015 GWA-15D(18-21)92255774006 6/18/2015 GWA-1D(30-31.5)2015015493 5/7/2015 GWA-1D(40-40.5)2015015499 5/7/2015 GWA-1D(102-104)2015015503 5/12/2015 GWA-2D(19-20)2015015504 5/12/2015 GWA-2D(24-25)2015015505 5/12/2015 GWA-3D(5-6.5)2015010598 4/6/2015 GWA-3D(20-21.4)2015010599 4/7/2015 GWA-3D(25-25.9)2015010600 4/7/2015 Analyte CAS RN Result Unit NC PSRG Industrial Health NC PSRG Protection of Groundwater Chloride Magnesium Nitrate Potassium Sodium Sulfate pH (field)Total Organic Carbon 16887-00-6 7439-95-4 14797-55-8 7440-09-7 7440-23-5 14808-79-8 PH TOC mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg Std. Units mg/kg NS NS 100000 NS NS NS NS NS NS NS NS NS NS NS NS NS 274 U 3330 27.4 UJ 1200 290 U 274 U 5.4 J 551 J 300 U 3990 30 UJ 1960 308 U 300 U 6.8 J 6190 279 U 2720 27.9 UJ 855 283 U 279 U 6.8 J 2130 338 U 909 33.8 UJ 344 J 355 U 338 U 6.4 J NA NA 2300 29.8 UJ 2560 293 U NA 6 J 33600 352 U 4000 35.2 UJ 2760 351 U 352 U 8.4 J 1930 346 U 2900 34.6 UJ 2030 359 U 346 U 8.1 J 2070 341 U 2740 34.1 UJ 851 352 U 341 U 5.6 J 427 J 359 U 2330 35.9 UJ 1010 384 U 359 U 5.8 J 730 J 318 U 988 31.8 UJ 566 323 U 318 U 5.7 J 2020 249 U 370 24.9 UJ 137 J 268 U 249 U 7.5 J 368 J 274 U 5270 27.4 UJ 1920 266 U 274 U 4.7 J NA 280 U 4830 28 UJ 999 291 U 280 U 5.8 J NA 380 U 3840 38 UJ 712 371 U 380 U 4.6 J 14600 326 U 7320 32.6 UJ 1040 315 U 326 U 6.6 J 1400 267 U 4790 26.7 UJ 656 476 267 U 6.9 J 1220 257 U 6250 25.7 UJ 813 265 U 257 U 6.6 J 4350 J 275 U 9550 27.5 UJ 1280 280 U 141 J 6.5 J 16100 283 U 3530 28.3 UJ 841 277 U 283 U 5.4 J 468 J 290 U 3480 29 UJ 1030 291 U 290 U 5.6 J 531 J 312 U 2890 31.2 UJ 639 300 U 312 U 5.2 J 1430 303 U 2850 30.3 UJ 733 293 U 303 U 5.6 J 705 J 296 U 1970 29.6 UJ 89.8 65.6 296 U 5.1 J 2730 306 U 305 30.6 UJ 203 J 300 U 306 U 4.7 J 1050 283 U 2420 28.3 UJ 307 295 U 283 U 6.3 J 524 J 329 U 5640 32.9 UJ 1370 324 U 329 U 6 J 2230 305 U 1450 30.5 UJ 190 J 296 U 305 U 7 J 942 324 U 2540 32.4 UJ 418 60.6 J 324 U 5.4 J 929 367 U 1290 J+36.7 UJ 486 395 U 367 U 5.2 J 7020 325 U 1110 32.5 UJ 684 314 U 325 U 5.1 J 1560 287 U 3300 28.7 UJ 1950 286 U 287 U 5.5 J 509 J 293 U 3730 29.3 UJ 1270 302 U 293 U 6 J 521 J 257 U 5880 25.7 UJ 1560 266 U 257 U 6.2 J 451 J 280 U 4020 28 UJ 2010 286 U 280 U 6.2 J 409 J 291 U 2080 29.1 UJ 184 J 277 U 291 U 5 J 801 277 U 4530 27.7 UJ 738 278 U 277 U 5.8 J 803 303 U 17900 30.3 UJ 1920 185 J+303 U 5.6 J 746 290 U 12600 29 UJ 1740 172 J+290 U 7.9 J 1650 J 258 U 19400 25.8 UJ 1810 205 J+258 U 7.7 J 3650 372 U 13900 37.2 UJ 1800 378 U 372 U 6.3 J 1530 325 U 4120 32.5 UJ 2190 332 U 325 U 5.6 J NA 300 U 3340 30 UJ 953 297 U 300 U 6.7 J NA 294 U 3320 29.4 UJ 963 294 U 294 U 6.3 J NA 320 UJ 2190 32 UJ 250 J 324 U 320 UJ 5.3 J 782 U 271 U 3640 27.1 UJ 917 274 U 271 U 5.8 J 497 J 294 U 10400 29.4 UJ 1390 283 U 294 U 7.9 J 15700 277 U 4520 27.7 UJ 1790 288 U 277 U 6.7 J 556 J 285 U 4430 28.5 UJ 1640 298 U 285 U 6.5 J 409 J 284 U 429 28.4 UJ 353 277 U 284 U 5.5 J 543 J 298 U 3160 29.8 UJ 300 J 310 U 298 U 6.2 J 585 J 283 U 3240 28.3 UJ 152 46.4 J 283 U 6.3 J 504 J Page 7 of 9 Table 8-5. Total Inorganic Results Soil Sample Name Sample ID Sample Date Analyte CAS RN Result Unit NC PSRG Industrial Health NC PSRG Protection of Groundwater GWA-4D(28)2015015885 5/20/2015 GWA-4D(33)2015015886 5/20/2015 GWA-5BR(0-4.0)2015015522 5/18/2015 GWA-5BR(5-6.5)2015015523 5/19/2015 GWA-6S(9-11)2015020051 6/12/2015 GWA-6S(13.0-14.0)2015020050 6/12/2015 GWA-7S(16-17)2015017067 5/27/2015 GWA-7S(22-23)2015017069 5/27/2015 GWA-8D(5-10)2015013191 4/30/2015 GWA-8D(15-20)2015013192 4/30/2015 GWA-8D(20-22)2015013193 4/30/2015 GWA-9D(20-21.5)2015015508 5/13/2015 GWA-9D(30-31.5)2015015509 5/13/2015 GWA-9D(40-41.5)2015015510 5/13/2015 GWA-9D(55-56.5)2015015507 5/13/2015 MW-22BR(7-8)2015018019 6/7/2015 MW-22BR(17-23)2015018017 6/7/2015 MW-22BR(27-29)2015018020 6/7/2015 MW-22BR(29-31)2015018018 6/7/2015 MW-23BR(1-2)2015014248 5/8/2015 MW-303BR(10-11.5)2015010601 4/8/2015 MW-303BR(80-81.5)2015010605 4/8/2015 MW-303BR(90-91.5)2015010606 4/8/2015 MW-310BR(10-11.5)2015013184 4/29/2015 MW-310BR(20-21.5)2015013185 4/29/2015 MW-310BR(25-26.5)2015013186 4/29/2015 MW-310BR(35-35.4)2015013187 4/29/2015 MW-311BR(44-46)2015018011 6/5/2015 MW-314BR(10-11.5)2015015511 5/13/2015 MW-314BR(40-41.5)2015015514 5/13/2015 MW-314BR(45.0-50.45)2015015515 5/13/2015 MW-315BR(24.0-25.5)2015013176 4/23/2015 MW-315BR(34.0-35.5)2015013178 4/23/2015 MW-317BR(5-7)2015013188 4/28/2015 MW-317BR(10-11)2015013189 4/28/2015 MW-317BR(15-16)2015013190 4/28/2015 MW-318D(24-25)2015014239 5/5/2015 MW-318D(29-30)2015014240 5/5/2015 SB-1(1-2)2015014231 5/2/2015 SB-1(10-11.5)2015014232 5/2/2015 SB-1(15-16.5)2015014233 5/2/2015 SB-1(20-21.5)2015014234 5/2/2015 SB-1(25-26.5)2015014235 5/2/2015 SB-1(35-35.5)2015014238 5/6/2015 SB-2(1-2)2015012028 4/14/2015 SB-2(10-11.5)2015012019 4/15/2015 SB-2(20-21.5)2015012020 4/15/2015 SB-2(30-31.25)2015012022 4/15/2015 SB-2(35-36)2015012021 4/15/2015 SB-2(65-65.3)2015012023 4/15/2015 SB-3(1-2)2015012012 4/17/2015 Chloride Magnesium Nitrate Potassium Sodium Sulfate pH (field)Total Organic Carbon 16887-00-6 7439-95-4 14797-55-8 7440-09-7 7440-23-5 14808-79-8 PH TOC mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg Std. Units mg/kg NS NS 100000 NS NS NS NS NS NS NS NS NS NS NS NS NS 272 U 2580 27.2 UJ 2050 286 U 272 U 5.3 J 829 J 275 U 3720 27.5 UJ 2240 276 U 275 U 5.9 J 472 J 298 U 3390 29.8 UJ 1040 304 U 151 J 5.3 J 3140 347 U 3140 34.7 UJ 1200 334 U 347 U 5.4 J 3460 304 U 987 30.4 UJ 745 307 U 254 J 5 J NA 329 U 3320 32.9 UJ 1960 325 U 329 U 7.2 J NA 285 U 3470 28.5 UJ 834 280 U 249 J 5 J 1170 298 U 4650 29.8 UJ 1680 283 U 298 U 5.6 J 702 U 268 U 2090 26.8 UJ 401 262 U 268 U 7.3 J 417 J 273 U 6580 27.3 UJ 931 217 J+273 U 7.6 J 487 J 256 U 10000 25.6 UJ 3250 274 256 U 7.8 J 1240 276 U 930 27.6 UJ 579 269 U 276 U 5.2 J 490 J 300 U 1700 30 UJ 329 298 U 300 U 5.6 J 570 J 294 U 924 29.4 UJ 214 J 292 U 294 U 6 J 457 J 323 U 10700 32.3 UJ 1700 315 U 323 U 7.4 J 23800 336 U 5540 33.6 UJ 2060 343 U 336 U 6.6 J 2300 363 U 3570 36.3 UJ 2280 384 U 363 U 6.7 J 7780 277 U 2880 27.7 UJ 564 266 U 277 U 8.1 J 484 J 339 U 6450 33.9 UJ 1380 334 U 339 U 7.9 J 630 J 306 U 7330 30.6 UJ 1160 310 U 306 U 5.5 J 6960 320 U 3010 32 UJ 1140 336 U 182 J 5.8 J 36100 J 332 U 3720 33.2 UJ 1770 35.1 J 332 U 5 J 4910 308 U 5890 30.8 UJ 1850 626 U 308 U 5.4 J 3520 291 U 2050 29.1 UJ 533 286 U 291 U 4.8 J 1580 NA 1450 36.5 UJ 1940 516 NA 7.8 J 89900 280 U 4630 28 UJ 2330 J-295 U 280 U 8.1 J 568 J 270 U 5450 27 UJ 2550 275 U 270 U 7.6 J 3540 342 U 4290 34.2 UJ 1710 353 U 342 U 7.3 J 2090 398 U 2530 39.8 UJ 839 401 U 398 U 5.4 J 981 275 U 7370 27.5 UJ 3780 280 U 275 U 6.4 J 378 J 321 U 5390 32.1 UJ 797 341 U 321 U 6.6 J 787 296 U 5240 29.6 UJ 249 J 285 U 296 U 5 J 1730 289 U 8020 28.9 UJ 492 311 U 147 J 4.7 J 527 J NA 3590 31.2 UJ 2060 312 U NA 7.4 J 18900 291 U 2080 29.1 UJ 1050 276 U 349 3.8 J 657 J 265 UJ 4630 26.5 UJ 936 155 J+265 U 6.2 J 418 J 362 U 3440 36.2 UJ 200 J 344 U 362 U 7.1 J 871 U 270 U 4000 27 UJ 418 262 U 270 U 6.8 J 324 J 338 U 1560 J+33.8 UJ 635 339 U 338 U 4.6 J 20400 267 U 6110 26.7 UJ 168 J 280 U 267 U 4.9 J 1080 287 U 4050 28.7 UJ 247 J 301 U 287 U 5.3 J 1280 285 U 4050 28.5 UJ 605 297 U 285 U 5.4 J 12300 293 UJ 4690 29.3 UJ 1340 282 U 243 J-4.5 J 13500 168 J 5790 26.8 UJ 1190 275 U 268 U 5.5 J 4420 300 U 2360 30 UJ 1280 315 U 300 U 7.2 J 637 J 284 U 4490 28.4 UJ 2730 289 U 284 U 5.5 J 718 289 U 4790 28.9 UJ 2100 297 U 289 U 5.3 J 7430 285 U 8470 28.5 UJ 2200 295 U 145 J 6.5 J 14500 279 U 10800 27.9 UJ 1800 269 U 279 U 8.6 J 3680 291 U 12700 29.1 UJ 1970 160 J 291 U 8.6 J 20100 322 U 1830 J-32.2 UJ 1390 329 U 504 4.2 J 1570 Page 8 of 9 Table 8-5. Total Inorganic Results Soil Sample Name Sample ID Sample Date Analyte CAS RN Result Unit NC PSRG Industrial Health NC PSRG Protection of Groundwater SB-3(10-11)2015012013 4/18/2015 SB-3(20-21.5)2015012014 4/18/2015 SB-3(35-36.5)2015013171 4/18/2015 SB-3(40-40.3)2015012015 4/18/2015 SB-3(45-45.2)2015012016 4/18/2015 General Notes: mg/kg - milligrams per kilogram NA - Not analyzed or not reported by analytical laboratory Std. Units - pH units Comparison Criteria: Shading indicates exceedance of either applicable criteria. Qualifier Notes: U -- Not detected above the reporting detection limit. J -- Estimated Concentration J+ -- Estimated concentration, biased high. J- --Estimated concentration, biased low. bold - indicates exceedance of NCDENR Industrial Health Based PSRG Italic/underline - indicates exceedance of NCDENR Protection of Groundwater PSRG North Carolina Department of Environment and Natural Resources Division of Waste Management Soil Remediation Goals Table (March 2015) - Preliminary Industrial Health Based Soil Remediation Goal (PSRG) and Protection of Groundwater PSRG.**Note: No PSRG for Total Chromium is currently available, as a surrogate the PSRG for Trivalent Chromium was used for comparison purposes only. NS - No applicable standard for this parameter Chloride Magnesium Nitrate Potassium Sodium Sulfate pH (field)Total Organic Carbon 16887-00-6 7439-95-4 14797-55-8 7440-09-7 7440-23-5 14808-79-8 PH TOC mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg Std. Units mg/kg NS NS 100000 NS NS NS NS NS NS NS NS NS NS NS NS NS 322 U 3060 32.2 UJ 1700 320 U 322 U 5 J 6120 J+ 280 U 2330 28 UJ 308 290 U 280 U 6 J 583 J 339 U 2430 33.9 UJ 313 J 327 U 339 U 7.1 J 862 345 U 5090 34.5 UJ 1080 358 U 345 U 7.6 J 2880 279 U 5860 27.9 UJ 958 275 U 179 J 8.4 J 1720 Page 9 of 9 Table 8-6. Total Inorganic Results PWR and Bedrock Aluminum Antimony Arsenic Barium Beryllium Boron Cadmium Chromium Cobalt Copper Iron Lead 7429-90-5 7440-36-0 7440-38-2 7440-39-3 7440-41-7 7440-42-8 7440-43-9 7440-47-3 7440-48-4 7440-50-8 7439-89-6 7439-92-1 mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg 100000 94 3 44000 460 46000 200 100000 70 9400 100000 800 NS 0.9 5.8 580 63 45 3 360000 0.9 700 150 270 Matrix Sample Name Sample ID Sample Date PWR AB-5D(27-27.33)2015018014 6/2/2015 12000 5.8 U 6.6 135 0.88 14.5 U 0.7 U 19.9 8.8 23.3 26100 10.7 PWR AB-5D(29.5-29.7)2015018015 6/2/2015 11600 5.8 U 7.4 211 0.96 14.4 U 0.69 U 20.2 7.4 16.9 26400 8.9 PWR AS-10D(30-30.3)2015010609 4/10/2015 9290 2.7 U 9.4 32.6 0.53 13.4 U 0.32 U 12.6 12.4 47.4 22800 13.3 PWR BG-5D(10-12)2015017062 5/27/2015 10100 5.8 U 5.8 U 151 1.1 14.5 U 0.7 U 14 17.6 40.6 23900 21.5 PWR BG-5D(13-15)2015017066 5/27/2015 11600 5.4 U 4.6 J 91.1 1.4 13.5 U 0.65 U 16.4 10.7 16.9 27200 19.9 PWR BG-5D(17-19)2015017063 5/27/2015 8570 5.7 U 5.7 U 46.2 0.54 14.1 U 0.68 U 10.3 10.1 17.1 18400 14 PWR BG-5D(19-21)2015017065 5/27/2015 8430 7.1 U 7.1 U 88.6 0.49 17.8 U 0.86 U 12.7 13.3 15.8 15700 16.2 PWR BG-5D(21-23)2015017064 5/27/2015 17200 6.1 U 6.1 U 90.3 0.69 15.2 U 0.73 U 22.5 15.7 23 30200 6.4 PWR GWA-2D(49-50)2015015506 5/12/2015 20000 5.4 U 17.3 69.1 1.4 13.5 U 0.65 UJ 24.9 16.7 43.8 40200 16.7 PWR GWA-3D(29-29.83)2015020056 6/11/2015 7900 5.5 U 4.2 J 39.3 0.73 13.6 U 0.66 U 13.6 18.8 20.3 19500 35.4 PWR GWA-4D(38)2015015887 5/20/2015 14200 5 U 5 U 72.8 0.8 12.6 U 0.6 U 19.1 9.9 35.3 27300 30 PWR GWA-7S(34-35)2015017068 5/28/2015 12300 6 U 6 U 39.1 1.1 15 U 0.72 U 21.8 14 34.6 26500 15.4 PWR MW-301BR(5-7)2015009425 4/1/2015 17800 3.1 U 12.3 138 1.2 39 0.37 U 37.8 15 38.5 37300 17.9 PWR MW-301BR(15-16)2015009426 4/1/2015 18700 5.3 U 4.3 J 153 0.67 34.4 0.64 U 27.5 13.6 36.7 30600 9.5 PWR MW-301BR(30-31)2015009427 4/1/2015 28600 3.5 U 24.9 810 J 2 J-44.2 0.42 U 29.2 36.5 69.8 43900 19.6 PWR MW-308BR(20-21)2015013197 5/1/2015 14700 6.4 U 16.6 157 0.76 16 U 0.77 U 21.9 5 J 22.7 21400 11.3 PWR MW-308BR(25-26)2015013196 5/1/2015 18900 6 U 6 U 115 1.7 34.1 J 0.72 U 21.8 13.6 45.1 32700 21.8 PWR MW-314BR(57-58)2015020055 6/11/2015 9910 5.2 U 5.2 U 63.3 1 13.1 U 0.63 U 13.4 11.7 10.8 28100 30.4 Rock AS-6D(48-48.25)2015020052 6/11/2015 7950 6 U 9.8 10.1 1 7.6 J 0.72 U 11.7 6 U 47.6 40100 4.4 J Rock GWA-10D(31.8-32.8)2015020057 6/11/2015 4620 5.4 U 5.4 U 52.1 1.4 13.5 U 0.38 J 8.2 6 13.5 23700 4.6 J Rock GWA-8D(27.4-28.4)2015020058 6/11/2015 11500 5.3 U 5.3 UJ 35.7 0.82 13.4 U 0.64 U 19.5 10.1 54 18800 10.7 Rock MW-23BR(10-12)2015014249 5/9/2015 15100 5.3 U 9.7 177 0.66 13.4 U 0.64 U 16.6 16.2 53 35600 16.2 Rock MW-318D(42.5-43.42)2015020059 6/11/2015 2420 6.3 U 6.3 U 14.9 0.24 J 15.8 U 0.76 U 2.4 5.4 J 1.5 J 5130 8.2 General Notes: mg/kg - milligrams per kilogram NA - Not analyzed or not reported by analytical laboratory Std. Units - pH units PWR - Partially weathered rock Comparison Criteria: Qualifier Notes: U -- Not detected above the reporting detection limit. J -- Estimated Concentration J+ -- Estimated concentration, biased high. J- --Estimated concentration, biased low. Analyte CAS RN Result Unit NCDENR Industrial Health PSRG NCDENR Protection of Groundwater PSRG NS - No applicable standard for this parameter Shading indicates exceedance of either applicable criteria. bold - indicates exceedance of NC Industrial Health Based PSRG Italic/underline - indicates exceedance of NCDENR Protection of Groundwater PSRG North Carolina Department of Environment and Natural Resources Division of Waste Management Soil Remediation Goals Table (March 2015) - Preliminary Industrial Health Based Soil Remediation Goal (PSRG) and Protection of Groundwater PSRG. **Note: No PSRG for Total Chromium is currently available, as a surrogate the PSRG for Trivalent Chromium was used for comparison purposes only. Page 1 of 3 Table 8-6. Total Inorganic Results PWR and Bedrock Matrix Sample Name Sample ID Sample Date PWR AB-5D(27-27.33)2015018014 6/2/2015 PWR AB-5D(29.5-29.7)2015018015 6/2/2015 PWR AS-10D(30-30.3)2015010609 4/10/2015 PWR BG-5D(10-12)2015017062 5/27/2015 PWR BG-5D(13-15)2015017066 5/27/2015 PWR BG-5D(17-19)2015017063 5/27/2015 PWR BG-5D(19-21)2015017065 5/27/2015 PWR BG-5D(21-23)2015017064 5/27/2015 PWR GWA-2D(49-50)2015015506 5/12/2015 PWR GWA-3D(29-29.83)2015020056 6/11/2015 PWR GWA-4D(38)2015015887 5/20/2015 PWR GWA-7S(34-35)2015017068 5/28/2015 PWR MW-301BR(5-7)2015009425 4/1/2015 PWR MW-301BR(15-16)2015009426 4/1/2015 PWR MW-301BR(30-31)2015009427 4/1/2015 PWR MW-308BR(20-21)2015013197 5/1/2015 PWR MW-308BR(25-26)2015013196 5/1/2015 PWR MW-314BR(57-58)2015020055 6/11/2015 Rock AS-6D(48-48.25)2015020052 6/11/2015 Rock GWA-10D(31.8-32.8)2015020057 6/11/2015 Rock GWA-8D(27.4-28.4)2015020058 6/11/2015 Rock MW-23BR(10-12)2015014249 5/9/2015 Rock MW-318D(42.5-43.42)2015020059 6/11/2015 General Notes: mg/kg - milligrams per kilogram NA - Not analyzed or not reported by analytical laboratory Std. Units - pH units PWR - Partially weathered rock Comparison Criteria: Qualifier Notes: U -- Not detected above the reporting detection limit. J -- Estimated Concentration J+ -- Estimated concentration, biased high. J- --Estimated concentration, biased low. Analyte CAS RN Result Unit NCDENR Industrial Health PSRG NCDENR Protection of Groundwater PSRG NS - No applicable standard for this parameter Shading indicates exceedance of either applicable criteria. bold - indicates exceedance of NC Industrial Health Based PSRG Italic/underline - indicates exceedance of NCDENR Protection of Groundwater PSRG North Carolina Department of Environment and Natural Resources Division of Waste Management Soil Remediation Goals Table (March 2015) - Preliminary Industrial Health Based Soil Remediation Goal (PSRG) and Protection of Groundwater PSRG. **Note: No PSRG for Total Chromium is currently available, as a surrogate the PSRG for Trivalent Chromium was used for comparison purposes only. Manganese Mercury Molybdenum Nickel Selenium Strontium Thallium Vanadium Zinc Calcium Chloride Magnesium 7439-96-5 7439-97-6 7439-98-7 7440-02-0 7782-49-2 7440-24-6 7440-28-0 7440-62-2 7440-66-6 7440-70-2 16887-00-6 7439-95-4 mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg 5200 8 1200 4400 1200 100000 2.4 1200 70000 NS NS NS 65 1 NS 130 2.1 NS 0.28 6 1200 NS NS NS 240 0.011 2.9 U 20.2 5.8 U 34 5.8 U 26.2 66.9 1390 299 U 5010 216 0.0062 J 5.2 18.8 3.9 J 71.3 5.8 U 21.5 58.1 2670 292 U 4520 479 0.0076 J 2.7 U 15.9 1.7 J 183 2.7 U 18.3 89.1 19900 257 U 7190 982 0.009 U 2.9 U 13 3.1 J 20.6 5.8 U 25.1 47.1 1160 287 U 2350 323 0.0088 U 2.7 U 15.6 7.3 29.3 5.4 U 21.8 65.4 2400 278 U 3300 585 0.0093 U 2.8 U 14.3 5.7 U 26.1 5.7 U 20.5 47.3 2600 282 U 2890 925 0.011 U 3.6 U 11.1 7.1 U 20.9 7.1 U 20.3 42.7 2270 345 U 3180 655 0.0098 U 3 U 22.6 6.1 U 27 6.1 U 24.8 79.7 2330 293 U 7580 487 0.0089 UJ 2.7 U 23.1 2.7 J 30.1 5.4 U 22.2 90.7 3790 274 U 5450 282 0.0073 J 2.7 U 11.8 5.5 U 40.9 5.5 U 26.1 42.3 1370 271 U 3240 563 0.0084 U 2.5 U 17.6 3.8 UJ 20.7 5 U 16.4 59.2 1410 263 U 7300 500 0.0095 U 3 U 18.8 6 U 47.5 6 U 22.9 65 2340 290 U 4710 467 0.03 3.8 17.8 3.1 U 30.2 3.1 U 39.4 71.4 J+1270 293 U 3430 931 0.0082 J 2.7 UJ 25.3 5.3 U 84.7 5.3 U 36.7 77.6 J 4780 279 U 9270 946 0.019 J-2.2 J 36.7 J-3.5 UJ 267 3.5 U 34.7 123 J-2940 J+354 U 7890 191 0.027 3.2 U 13.5 6.4 U 46.9 6.4 U 33.3 37.9 2410 321 U 2840 1290 0.0092 U 3 U 29.8 6 U 45 6 U 24.5 94.9 2170 293 U 5880 197 0.0085 U 2.6 U 20.8 3.5 J 16.5 5.2 U 18.3 58.5 2320 265 U 3320 42.6 0.0097 U 3 U 9.3 3.8 J 11 6 U 26.5 19.6 2230 302 U 3190 579 0.0085 U 2.7 U 11.8 5.4 U 24.5 5.4 U 6.7 35.1 968 257 U 1890 278 0.0085 U 2.7 U 22.5 5.3 U 41.1 5.3 U 22.8 100 15900 264 U 6530 1180 0.009 3.7 26.6 5.3 U 280 5.3 U 19.2 113 52500 256 U 9160 210 0.011 U 3.2 U 5.1 6.3 U 11.1 6.3 U 3.9 J 17.3 337 313 U 915 Page 2 of 3 Table 8-6. Total Inorganic Results PWR and Bedrock Matrix Sample Name Sample ID Sample Date PWR AB-5D(27-27.33)2015018014 6/2/2015 PWR AB-5D(29.5-29.7)2015018015 6/2/2015 PWR AS-10D(30-30.3)2015010609 4/10/2015 PWR BG-5D(10-12)2015017062 5/27/2015 PWR BG-5D(13-15)2015017066 5/27/2015 PWR BG-5D(17-19)2015017063 5/27/2015 PWR BG-5D(19-21)2015017065 5/27/2015 PWR BG-5D(21-23)2015017064 5/27/2015 PWR GWA-2D(49-50)2015015506 5/12/2015 PWR GWA-3D(29-29.83)2015020056 6/11/2015 PWR GWA-4D(38)2015015887 5/20/2015 PWR GWA-7S(34-35)2015017068 5/28/2015 PWR MW-301BR(5-7)2015009425 4/1/2015 PWR MW-301BR(15-16)2015009426 4/1/2015 PWR MW-301BR(30-31)2015009427 4/1/2015 PWR MW-308BR(20-21)2015013197 5/1/2015 PWR MW-308BR(25-26)2015013196 5/1/2015 PWR MW-314BR(57-58)2015020055 6/11/2015 Rock AS-6D(48-48.25)2015020052 6/11/2015 Rock GWA-10D(31.8-32.8)2015020057 6/11/2015 Rock GWA-8D(27.4-28.4)2015020058 6/11/2015 Rock MW-23BR(10-12)2015014249 5/9/2015 Rock MW-318D(42.5-43.42)2015020059 6/11/2015 General Notes: mg/kg - milligrams per kilogram NA - Not analyzed or not reported by analytical laboratory Std. Units - pH units PWR - Partially weathered rock Comparison Criteria: Qualifier Notes: U -- Not detected above the reporting detection limit. J -- Estimated Concentration J+ -- Estimated concentration, biased high. J- --Estimated concentration, biased low. Analyte CAS RN Result Unit NCDENR Industrial Health PSRG NCDENR Protection of Groundwater PSRG NS - No applicable standard for this parameter Shading indicates exceedance of either applicable criteria. bold - indicates exceedance of NC Industrial Health Based PSRG Italic/underline - indicates exceedance of NCDENR Protection of Groundwater PSRG North Carolina Department of Environment and Natural Resources Division of Waste Management Soil Remediation Goals Table (March 2015) - Preliminary Industrial Health Based Soil Remediation Goal (PSRG) and Protection of Groundwater PSRG. **Note: No PSRG for Total Chromium is currently available, as a surrogate the PSRG for Trivalent Chromium was used for comparison purposes only. Nitrate Potassium Sodium Sulfate pH (field)Total Organic Carbon 14797-55-8 7440-09-7 7440-23-5 14808-79-8 PH TOC mg/kg mg/kg mg/kg mg/kg Std. Units mg/kg 100000 NS NS NS NS NS NS NS NS NS NS NS 29.9 UJ 1420 291 U 299 U 5.3 J 1200 29.2 UJ 1360 288 U 292 U 5.4 J 1440 25.7 UJ 2340 267 U 257 U 7.9 J 14000 28.7 UJ 939 290 U 287 U 6.6 J 577 J 27.8 UJ 1170 270 U 278 U 7.1 J 348 J 28.2 UJ 727 283 U 282 U 7.5 J 673 U 34.5 UJ 998 357 U 345 U 7.3 J 574 J 29.3 UJ 2090 304 U 293 U 8.1 J 482 J 27.4 UJ 1280 271 U 274 U 6.6 J 680 27.1 UJ 300 273 U 271 U 5.2 J NA 26.3 UJ 2670 251 U 263 U 7.8 J 623 UJ 29 UJ 2120 301 U 290 U 6.3 J 361 J 29.3 UJ 1160 306 U 293 U 5.3 J 11100 27.9 UJ 2330 266 U 279 U 6.4 J 1790 35.4 UJ 2450 349 U 354 U 6 J 4500 32.1 UJ 744 320 U 258 J 6.1 J 2000 J 29.3 UJ 2460 301 U 497 5.9 J 973 26.5 UJ 1380 262 U 265 U 6.1 J NA 30.2 UJ 306 298 U 302 U 5.9 J NA 25.7 UJ 385 271 U 257 U 5.6 J NA 26.4 UJ 1800 267 U 416 7.6 J NA 25.6 UJ 1740 267 U 256 U 7.8 J 23600 31.3 UJ 317 U 317 U 313 U 5.7 J NA Page 3 of 3 Page 1 of 1 Table 8-7. Frequency and Concentration Ranges for COI Exceedances of North Carolina PSRGs Constituent of Interest NC Industrial PSRG NC Protection of GW PSRG No. of Borings > NC PSRGs* Concentration Range of Exceedances (in mg/kg) Arsenic 3 5.8 21 3.1J (SB-1) to 71.8 (AB-25BR) Cobalt 70 0.9 39 1.7J (AS-6D) to 49.6 (MW-303BR) Iron 100,000 150 40 5,260 (GWA-6S) to 95,900 (SB-1) Manganese 5,200 65 39 69 (MW -317BR) to 5,170 (GWA-9D) Selenium 1,200 2.1 16 2.7J (GWA-1D) to 10.2 (GWA-14S) Vanadium 1,200 6 40 6 (MW -22BR) to 83.2 (AB-25BR) Note: For the “No. of Borings > North Carolina PSRGs” column, data reported represents borings, not individual samples within a given boring; exceedances of both Industrial and Protection of Groundwater PSRGs have been counted. Page 1 of 1 Table 8-8. Range of Constituent Concentrations and Comparison to Range of Background Soil, PWR, and Bedrock Concentrations – Beneath Ash Basin Constituent Background Soil, PWR, and Bedrock Concentrations (Range, mg/kg) Soil, PWR, and Rock Concentrations Beneath the Ash Basin (Range, mg/kg) Arsenic 3.9 J to 20.0 3.6 to 71.8 Cobalt 5.6 J to 42.6 4.4 to 26.3 Iron 16,500 to 95,900 6,400 to 37,700 Manganese 82.7 to 2,840 76.3 to 1,010 Selenium 5.4 U to 7.2 U 2.8 to 6.7 Vanadium 16 to 54.4 6 to 125 Notes: 1. mg/kg = milligrams per kilogram 2. J = Estimated concentration 3. U = Not detected above the reporting detection limit Page 1 of 1 Table 8-9. Range of Constituent Concentrations and Comparison to Range of Background Soil, PWR, and Bedrock Concentrations – Beneath the Ash Storage Areas Constituent Background Soil, PWR, and Bedrock Concentrations (Range, mg/kg) Soil, PWR, and Rock Concentrations Beneath the Ash Storage Areas (Range, mg/kg) Arsenic 3.9 J to 20.0 8.2 to 39.9 Cobalt 5.6 J to 42.6 1.7 to 49.6 Iron 16,500 to 95,900 9,660 to 53,500 Manganese 82.7 to 2,840 104 to 1,600 Selenium 5.4 U to 7.2 U 3.0 to 6.7 Vanadium 16 to 54.4 11.5 to 48.3 Notes: 1. mg/kg = milligrams per kilogram 2. J = Estimated concentration 3. U = Not detected above the reporting detection limit Page 1 of 1 Table 8-10. Range of Constituent Concentrations and Comparison to Range of Background Soil, PWR, and Bedrock Concentrations – Outside Waste Boundary Constituent Background Soil, PWR, and Bedrock Concentrations (Range mg/kg) Soil, PWR, and Rock Concentrations Outside the Waste Boundary (Range, mg/kg) Arsenic 3.9 J to 20.0 3.0 to 30.6 Cobalt 5.6 J to 42.6 11.5 to 18.7 Iron 16,500 to 95,900 21,300 to 57,900 Manganese 82.7 to 2,840 373 to 597 Selenium 5.4 U to 7.2 U <5.9 to 10.2 Vanadium 16 to 54.4 43.6 to 50.5 Notes: 1. mg/kg = milligrams per kilogram 2. J = Estimated concentration 3. U = Not detected above the reporting detection limit Table 9-1. Surface Water Sample Results - Totals and Dissolved Aluminum Aluminum Antimony Antimony Arsenic Arsenic Barium Barium Boron Boron Beryllium Beryllium Cadmium Cadmium Chromium 7429-90-5 7429-90-5 7440-36-0 7440-36-0 7440-38-2 7440-38-2 7440-39-3 7440-39-3 7440-42-8 7440-42-8 7440-41-7 7440-41-7 7440-43-9 7440-43-9 7440-47-3 D T D T D T D T D T D T D T D ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l 87 87 5.6 5.6 10 10 1000 1000 NS NS 6.5 6.5 0.15 0.15 24 Sample Name Sample ID Sample Date SW-1 2015016412 5/27/2015 43 613 1.02 1.21 13.8 15.5 20 18 180 157 1 U 1 U 1 U 1 U 1 U SW-3 2015016411 5/27/2015 12 27600 1 U 1 U 42.7 63.7 42 267 128 107 1 U 1.16 1 U 1 U 1 U SW-4 2015016413 5/27/2015 5 U 127 1 U 1 U 1 U 1 U 18 18 50 U 50 U 1 U 1 U 1 U 1 U 1 U SW-5 2015016409 5/27/2015 5 U 90 1 U 1 U 1 U 1 U 24 25 58 57 1 U 1 U 1 U 1 U 1 U SW-6 92256795002 6/30/2015 NA NA 0.17 J 0.16 J 0.17 J 0.24 J 19 25 150 160 0.2 U 0.2 U 0.08 U 0.08 U 0.49 J SW-7 92256795003 6/30/2015 NA NA 0.2 J 0.22 J 0.14 J 0.24 J 18 29 130 130 0.2 U 0.2 U 0.08 U 0.08 U 0.24 J SW-8 92256795004 6/30/2015 NA NA 0.5 U 0.5 U 0.14 J 0.22 J 19 24 170 180 0.2 U 0.2 U 0.08 U 0.08 U 0.45 J SW-9 2015016410 5/27/2015 5 U 129 1 U 1 U 46.3 51.1 88 99 360 364 1 U 1 U 1 U 1 U 1 U General Notes: ug/l - micrograms per liter NA - Not analyzed or not reported by analytical laboratory T - Total D - Dissolved N - Fraction not applicable Comparison Criteria: Qualifier Notes: U -- Not detected above the reporting detection limit. J -- Estimated Concentration J+ -- Estimated concentration, biased high. J- --Estimated concentration, biased low. shading + bold - indicates exceedance of NC 02B Surface Water Criteria North Carolina Department of Environment and Natural Resources Division of Water Resources 15A NCAC 02B Surface Water Standards and Protective Values & EPA National Recommended Water Quality Criteria. **NOTE for the purposes of comparison, the lowest value of the Water Supply, Human Health, or Freshwater Aquatic Life criteria was referenced in this table. Analyte CAS RN Fraction Result Unit NC 02B Surface Water (Lowest of AL, HH, WS) NS - No applicable standard for this parameter Page 1 of 4 Table 9-1. Surface Water Sample Results - Totals and Dissolved Sample Name Sample ID Sample Date SW-1 2015016412 5/27/2015 SW-3 2015016411 5/27/2015 SW-4 2015016413 5/27/2015 SW-5 2015016409 5/27/2015 SW-6 92256795002 6/30/2015 SW-7 92256795003 6/30/2015 SW-8 92256795004 6/30/2015 SW-9 2015016410 5/27/2015 General Notes: ug/l - micrograms per liter NA - Not analyzed or not reported by analytical laboratory T - Total D - Dissolved N - Fraction not applicable Comparison Criteria: Qualifier Notes: U -- Not detected above the reporting detection limit. J -- Estimated Concentration J+ -- Estimated concentration, biased high. J- --Estimated concentration, biased low. shading + bold - indicates exceedance of NC 02B Surface Water Criteria North Carolina Department of Environment and Natural Resources Division of Water Resources 15A NCAC 02B Surface Water Standards and Protective Values & EPA National Recommended Water Quality Criteria. **NOTE for the purposes of comparison, the lowest value of the Water Supply, Human Health, or Freshwater Aquatic Life criteria was referenced in this table. Analyte CAS RN Fraction Result Unit NC 02B Surface Water (Lowest of AL, HH, WS) NS - No applicable standard for this parameter Chromium Cobalt Cobalt Copper Copper Iron Iron Lead Lead Manganese Manganese Mercury Molybdenum Molybdenum Nickel 7440-47-3 7440-48-4 7440-48-4 7440-50-8 7440-50-8 7439-89-6 7439-89-6 7439-92-1 7439-92-1 7439-96-5 7439-96-5 7439-97-6 7439-98-7 7439-98-7 7440-02-0 T D T D T D T D T D T T D T D ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l 24 3 3 2.7 2.7 NS NS 0.54 0.54 NS NS NS 160 160 16 1 U 1 U 1 U 3.39 J+4.75 21 323 1 U 1 U 16 9 0.0011 J+9.11 9.36 1.2 33.6 1 U 15.5 1 UJ 27.3 40 42400 1 U 20.1 584 1820 0.00385 J+2.56 9.85 1 U 1 U 1 U 1 U 7.38 J+1 U 33 339 1 U 1 U 90 93 0.000978 J+1 U 1 U 1 U 1 U 1 U 1 U 1 U 4.62 J+68 412 1 U 1 U 315 290 0.0012 J+1 U 1 U 1 U 0.67 0.15 J 0.48 J 2.2 1.6 NA NA 0.2 0.88 22 83 0.00334 J+0.39 J 0.26 J 0.78 0.68 0.5 U 0.51 2 1.8 NA NA 0.088 J 0.97 16 98 0.00357 J+0.41 J 0.26 J 0.58 0.59 0.5 U 0.32 J 2.8 1.3 NA NA 0.061 J 0.64 15 55 0.00296 J+0.43 J 0.26 J 1.6 1 U 1 U 1 U 1 U 5.11 J+10 U 140 1 U 1 U 35 154 0.000949 J+7.62 7.65 1 U Page 2 of 4 Table 9-1. Surface Water Sample Results - Totals and Dissolved Sample Name Sample ID Sample Date SW-1 2015016412 5/27/2015 SW-3 2015016411 5/27/2015 SW-4 2015016413 5/27/2015 SW-5 2015016409 5/27/2015 SW-6 92256795002 6/30/2015 SW-7 92256795003 6/30/2015 SW-8 92256795004 6/30/2015 SW-9 2015016410 5/27/2015 General Notes: ug/l - micrograms per liter NA - Not analyzed or not reported by analytical laboratory T - Total D - Dissolved N - Fraction not applicable Comparison Criteria: Qualifier Notes: U -- Not detected above the reporting detection limit. J -- Estimated Concentration J+ -- Estimated concentration, biased high. J- --Estimated concentration, biased low. shading + bold - indicates exceedance of NC 02B Surface Water Criteria North Carolina Department of Environment and Natural Resources Division of Water Resources 15A NCAC 02B Surface Water Standards and Protective Values & EPA National Recommended Water Quality Criteria. **NOTE for the purposes of comparison, the lowest value of the Water Supply, Human Health, or Freshwater Aquatic Life criteria was referenced in this table. Analyte CAS RN Fraction Result Unit NC 02B Surface Water (Lowest of AL, HH, WS) NS - No applicable standard for this parameter Nickel Selenium Selenium Strontium Strontium Thallium Thallium Vanadium Vanadium Zinc Zinc Alkalinity, HCO3 Alkalinity, CO3 Alkalinity, lab Calcium 7440-02-0 7782-49-2 7782-49-2 7440-24-6 7440-24-6 7440-28-0 7440-28-0 7440-62-2 7440-62-2 7440-66-6 7440-66-6 ALK-HCO3 ALK-CO3 ALK-LAB 7440-70-2 T D T D T D T D T D T N N N T ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l 16 NS NS 14000 14000 0.24 0.24 NS NS 36 36 NS NS NS NS 2.5 2.32 2.87 322 320 0.2 U 0.2 U 4.94 6.65 34 J+212 23000 11000 37000 19700 15.9 1 U 1 U 264 302 0.2 U 0.315 1.25 54.1 5 UJ 93 51000 10000 U 51000 20000 1 U 1 U 1 U 143 151 0.2 U 0.2 U 0.3 U 0.567 17 J+5 U 52000 10000 U 52000 14000 1 U 1 U 1 U 134 143 0.2 U 0.2 U 0.3 U 0.42 5 UJ 5 U 50000 10000 U 50000 13800 0.57 0.5 U 0.5 U 42 45 0.025 J 0.1 U 1.2 2.8 4.7 J 5 J+17600 5000 U 17600 6300 0.6 0.5 U 0.5 U 41 45 0.1 U 0.1 U 0.85 J 3.1 10 U 20 J+16800 5000 U 16800 5910 0.47 J 0.5 U 0.5 U 43 46 0.1 U 0.1 U 0.69 J 2.5 10 U 4.6 J+18300 5000 U 18300 6340 1.16 1 U 1 U 883 895 0.2 U 0.2 U 0.701 0.947 18 J+10 100000 10000 U 100000 45400 Page 3 of 4 Table 9-1. Surface Water Sample Results - Totals and Dissolved Sample Name Sample ID Sample Date SW-1 2015016412 5/27/2015 SW-3 2015016411 5/27/2015 SW-4 2015016413 5/27/2015 SW-5 2015016409 5/27/2015 SW-6 92256795002 6/30/2015 SW-7 92256795003 6/30/2015 SW-8 92256795004 6/30/2015 SW-9 2015016410 5/27/2015 General Notes: ug/l - micrograms per liter NA - Not analyzed or not reported by analytical laboratory T - Total D - Dissolved N - Fraction not applicable Comparison Criteria: Qualifier Notes: U -- Not detected above the reporting detection limit. J -- Estimated Concentration J+ -- Estimated concentration, biased high. J- --Estimated concentration, biased low. shading + bold - indicates exceedance of NC 02B Surface Water Criteria North Carolina Department of Environment and Natural Resources Division of Water Resources 15A NCAC 02B Surface Water Standards and Protective Values & EPA National Recommended Water Quality Criteria. **NOTE for the purposes of comparison, the lowest value of the Water Supply, Human Health, or Freshwater Aquatic Life criteria was referenced in this table. Analyte CAS RN Fraction Result Unit NC 02B Surface Water (Lowest of AL, HH, WS) NS - No applicable standard for this parameter Chloride Magnesium Methane Nitrite as N Nitrogen, NO2 plus NO3 Potassium Sodium Sulfate Sulfide Total Organic Carbon Total Dissolved Solids Total Suspended 16887-00-6 7439-95-4 74-82-8 14797-65-0 NO2-NO3 7440-09-7 7440-23-5 14808-79-8 18496-25-8 TOC TDS TSS N T N N N T T N N N N N ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l 230000 NS NS NS NS NS NS 250000 NS NS NS NS 11000 7240 10 UJ 29 NA 3090 11500 53000 100 U 3800 140000 16000 11000 5850 20 UJ 76 NA 3710 10800 23000 100 U 2200 120000 680000 10000 4390 10 UJ 145 NA 1410 8640 5900 100 U 1500 97000 5000 U 13000 5500 10 UJ 300 NA 2230 9210 10000 100 U 2700 110000 5000 U 9400 2560 9.9 J+NA 260 5000 U 4010 J 5100 100 U 3300 72000 24700 9400 2480 9.6 J+NA 310 5000 U 4260 J 5000 100 U 3500 74000 24500 9800 2580 16.3 J+NA 270 5000 U 3900 J 5000 100 U 5900 73000 J 19200 13000 13500 10 UJ 132 NA 4690 17000 90000 100 U 2100 270000 32000 Page 4 of 4 Page 1 of 1 Table 9-2. Frequency and Concentration Ranges for COI Exceedances of North Carolina 2B Standards Constituent of Interest NC 2B Standards No. of Surface Water Sample Locations > NC 2L Standards Concentration Range of Exceedances (in µg/L) Aluminum 87 5 90 (SW-5) to 27,000 (SW-3) Arsenic 10 3 15.5 (SW-1) to 63.7 (SW-3) Chromium 24 1 33.6 (SW -3) Cobalt 3 1 15.5 (SW -3) Copper 2.7 4 4.62J+ (SW -5) to 27.3 (SW-3) Lead 0.54 4 0.64 (SW-8) to 20.1 (SW-3) Thallium 0.24 1 0.315 (SW-3) Zinc 36 2 93 (SW-3) to 212 (SW-1) Note: For the “No. of Surface Water Sample Locations > North Carolina PSRGs” column, data reported represents surface water sample locations, not individual samples collected. Page 1 of 1 Table 9-3. Range of Constituent Concentrations and Comparison to Range of Background Surface Water Concentrations – Ash Basin Surface Water Constituent Background Surface Water Concentrations (Range, µg/L) Ash Basin Surface Water Concentrations (Range, µg/L) Aluminum <5.0 to 90 <5.0 to 613 Arsenic <1.0 to 0.22J 15.5 to 51.5 Chromium <1.0 to 0.59 1U Cobalt <1.0 to 0.32J 1U Copper 1.3 to 4.62J+ 4.75 to 5.11J+ Lead <1.0 to 0.64 1U Thallium <0.1 to <0.2 0.2U Zinc <0.005 to <0.01 0.01 to 0.212 Notes: 1. µg/L = micrograms per liter 2. J = Estimated concentration; J+ is biased high 3. U = Not detected above the reporting detection limit Page 1 of 1 Table 9-4. Range of Constituent Concentrations and Comparison to Range of Background Surface Water Concentrations – Dan River Surface Water Constituent Background Surface Water Concentrations (Range, µg/L) Concentrations of Dan River Surface Water (Range, µg/L) Aluminum <5.0 to 90 NA Arsenic <1.0 to 0.22J 0.24J to 0.24J Chromium <1.0 to 0.59 0.67 to 0.68 Cobalt <1.0 to 0.32J 0.48 to 0.51 Copper 1.3 to 4.62J+ 1.6 to 1.8 Lead <1.0 to 0.64 0.88 to 0.97 Thallium <0.1 to <0.2 0.025J to 0.1U Zinc <0.005 to <0.01 4.6+ to 20J+ Notes: 1. µg/L = micrograms per liter 2. NA = Not analyzed or not reported by analytical laboratory 3. J = Estimated concentration; J+ is biased high 4. U = Not detected above the reporting detection limit Page 1 of 1 Table 9-5. Range of Constituent Concentrations and Comparison to Range of Background Surface Water Concentrations – Tributary Stream Surface Water Constituent Background Surface Water Concentrations (Range, µg/L) Tributary Stream Surface Water Concentrations (Range, µg/L) Aluminum <5.0 to 90 127 to 27,600 Arsenic <1.0 to 0.22J <1.0 to 63.7 Chromium <1.0 to 0.59 <1.0 to 33.6 Cobalt <1.0 to 0.32J <1.0 to 15.5 Copper 1.3 to 4.62J+ <1.0 to 27.3 Lead <1.0 to 0.64 <1.0 to 20.1 Thallium <0.1 to <0.2 <0.2 to 0.3215 Zinc <0.005 to <0.01 <0.005 to 0.093 Notes: 1. µg/L = micrograms per liter 2. J = Estimated concentration; J+ is biased high Page 1 of 1 Table 9-6. Range of Constituent Concentrations Without 2B Standards and Comparison to Range of Background Surface Water Concentrations – Ash Basin Surface Water Constituent Background Surface Water Concentrations Ash Basin Surface Water Concentrations Boron 0.057mg/L to 0.18mg/L 0.157mg/L Iron 0.412mg/L 0.323mg/L Manganese 0.055mg/L to 0.29mg/L 0.009mg/L Mercury 1.2J+ng/L to 2.96ng/L 1.1J+ng/L Selenium <0.5µg/L to <1µg/L 2.87µg/L Vanadium 0.42µg/L to 2.5µg/L 6.65µg/L Notes: 1. mg/L = milligrams per liter 2. ng/L = nanograms per liter 3. µg/L = micrograms per liter 4. J = Estimated concentration; J+ is biased high Page 1 of 1 Table 9-7. Range of Constituent Concentrations Without 2B Standards and Comparison to Range of Background Surface Water Concentrations – Dan River Surface Water Constituent Background Surface Water Concentrations Dan River Surface Water Concentrations Boron 0.057mg/L to 0.18mg/L 0.13mg/L to 0.16mg/L Iron 0.412mg/L NA Manganese 0.055mg/L to 0.29mg/L 0.083mg/L to 0.098mg/L Mercury 1.2J+ng/L to 2.96ng/L 3.34J+ng/L to 3.57ng/L Selenium <0.5µg/L to <1µg/L 0.5U Vanadium 0.42µg/L to 2.5µg/L 2.8µg/L to 3.1µg/L Notes: 1. mg/L = milligrams per liter 2. ng/L = nanograms per liter 3. µg/L = micrograms per liter 4. NA = Not analyzed or not reported by analytical laboratory 5. J = Estimated concentration; J+ is biased high 6. U = Not detected above the reporting detection limit Page 1 of 1 Table 9-8. Range of Constituent Concentrations Without 2B Standards and Comparison to Range of Background Surface Water Concentrations – Tributary Stream Surface Water Constituent Background Surface Water Concentrations Tributary Stream Surface Water Concentrations Boron 0.057mg/L to 0.18mg/L <0.05mg/L to 0.107mg/L Iron 0.412mg/L 0.339mg/L to 42.4mg/L Manganese 0.055mg/L to 0.29mg/L 0.093mg/L to 1.82mg/L Mercury 1.2J+ng/L to 2.96ng/L 0.978J+ng/L to 3.85J+ng/L Selenium <0.5µg/L to <1µg/L 1U Vanadium 0.42µg/L to 2.5µg/L 0.567µg/L to 54.1µg/L Notes: 1. mg/L = milligrams per liter 2. ng/L = nanograms per liter 3. µg/L = micrograms per liter 4. J = Estimated concentration; J+ is biased high 5. U = Not detected above the reporting detection limit Ta b l e 9 - 9 . S u r f a c e W a t e r S p e c i a t i o n R e s u l t s As ( I I I ) A s ( V ) C h r o m i u m ( V I ) F e ( I I ) F e ( I I I ) M n ( I I ) M n ( I V ) S e ( I V ) S e ( V I ) 77 8 4 - 4 6 - 5 1 0 1 0 3 - 6 0 - 3 1 8 5 4 0 - 2 9 - 9 1 3 4 5 - 2 5 - 1 1 3 0 9 - 3 7 - 1 1 3 4 4 - 4 3 - 0 1 3 1 3 - 1 3 - 9 1 0 1 0 2 - 1 8 - 8 1 3 4 1 0 - 0 1 - 0 TT T T T T T T T ug / l u g / l u g / l u g / l u g / l u g / l u g / l u g / l u g / l Sa m p l e N a m e S a m p l e I D S a m p l e D a t e Su r f a c e W a t e r SW - 3 2 0 1 5 0 2 0 5 4 8 6 / 1 8 / 2 0 1 5 1 1 1 5 . 6 0 . 0 1 9 2 7 . 9 5 1 . 5 J + 2 4 2 J - 1 5 . 3 0 . 5 U 0 . 5 U SW - 4 2 0 1 5 0 2 0 5 4 5 6 / 1 8 / 2 0 1 5 0 . 0 5 4 0 . 0 8 3 0 . 0 2 9 9 . 3 1 1 . 7 J + 4 8 . 3 J - 8 . 9 0 . 5 U 0 . 5 U SW - 5 2 0 1 5 0 2 0 5 4 7 6 / 1 8 / 2 0 1 5 0 . 1 4 4 0 . 2 0 8 0 . 0 1 7 3 0 . 2 2 8 . 1 J + 2 3 9 J - 1 2 . 1 0 . 5 U 0 . 5 U An a l y t e CA S R N Fr a c t i o n Re s u l t U n i t Page 1 of 1 Ta b l e 9 - 1 0 . S e d i m e n t S a m p l e R e s u l t s Al u m i n u m A n t i m o n y A r s e n i c B a r i u m B o r o n B e r y l l i u m C a d m i u m C h r o m i u m C o b a l t C o p p e r I r o n L e a d M a n g a n e s e 74 2 9 - 9 0 - 5 74 4 0 - 3 6 - 0 7 4 4 0 - 3 8 - 2 7 4 4 0 - 3 9 - 3 7 4 4 0 - 4 2 - 8 7 4 4 0 - 4 1 - 7 7 4 4 0 - 4 3 - 9 7 4 4 0 - 4 7 - 3 7 4 4 0 - 4 8 - 4 7440-50-8 7 4 3 9 - 8 9 - 6 7439-92-1 7 4 3 9 - 9 6 - 5 mg / k g m g / k g m g / k g m g / k g m g / k g m g / k g m g / k g m g / k g m g / k g m g / k g m g / k g m g / k g m g / k g 10 0 0 0 0 9 4 3 4 4 0 0 0 4 6 0 0 0 4 6 0 2 0 0 1 0 0 0 0 0 7 0 9 4 0 0 1 0 0 0 0 0 8 0 0 5 2 0 0 NS 0 . 9 5 . 8 5 8 0 4 5 6 3 3 3 6 0 0 0 0 0 . 9 7 0 0 1 5 0 2 7 0 6 5 Sa m p l e N a m e S a m p l e I D S a m p l e D a t e S- 1 2 0 1 5 0 1 6 4 2 7 5 / 2 7 / 2 0 1 5 6 8 9 0 9 . 7 U 7 J 61 . 9 1 3 . 4 J 0 . 6 7 1 . 2 U 1 4 . 4 13.1 13.9 15100 12.5 382 S- 2 9 2 2 5 9 3 2 8 0 0 1 7 / 1 6 / 2 0 1 5 4 8 6 0 7 . 5 U 6. 9 J 71 . 1 1 8 . 8 U 0 . 4 1 0 . 9 U 1 1 . 9 14.6 6.4 12400 7.9 1130 S- 3 9 2 2 5 9 3 2 8 0 0 2 7 / 1 6 / 2 0 1 5 7 4 1 0 1 0 . 7 U 1 0 . 7 U 8 2 . 5 2 6 . 7 U 0 . 6 9 1 . 3 U 1 4 . 3 12.4 15.9 13600 11 416 SW - 3 2 0 1 5 0 1 6 4 2 4 5 / 2 7 / 2 0 1 5 1 9 5 0 0 1 1 . 4 U 28 5 23 3 2 9 . 1 0 . 9 4 1 . 4 U 3 4 . 5 17.1 24.3 32000 17.2 3880 SW - 4 2 0 1 5 0 1 6 4 2 5 5 / 2 7 / 2 0 1 5 8 8 8 0 9 U 9 U 6 3 1 7 . 6 J 0 . 7 5 1 . 1 U 1 5 . 4 11.4 16.2 21500 13.1 432 SW - 5 2 0 1 5 0 1 6 4 2 6 5 / 2 7 / 2 0 1 5 8 9 4 0 1 6 . 6 U 1 6 . 6 U 1 0 4 4 1 . 4 U 0 . 8 2 J 2 U 1 6 . 7 15.2 J 22.1 21600 21.3 753 SW - 6 9 2 2 5 6 8 9 3 0 0 1 6 / 3 0 / 2 0 1 5 4 2 7 0 8 . 5 U 8 . 5 U 4 4 . 7 2 1 . 3 U 0 . 3 1 J 1 U 1 2 . 3 4.5 J 4.5 9010 4.6 J 136 SW - 7 9 2 2 5 6 8 9 3 0 0 2 6 / 3 0 / 2 0 1 5 1 5 0 0 6 . 7 U 6 . 7 U 1 4 . 9 1 6 . 6 U 0 . 2 5 J 0 . 8 U 6 . 5 6 . 7 U 1 . 8 5850 6.7 U 133 SW - 8 9 2 2 5 6 8 9 3 0 0 3 6 / 3 0 / 2 0 1 5 2 3 8 0 7 . 4 U 7 . 4 U 2 5 . 9 1 8 . 5 U 0 . 2 7 J 0 . 8 9 U 9 . 4 3.9 J 3 7470 7.4 UJ 181 Ge n e r a l N o t e s : mg / k g - m i l l i g r a m s p e r k i l o g r a m NA - N o t a n a l y z e d o r n o t r e p o r t e d b y a n a l y t i c a l l a b o r a t o r y St d . U n i t s - p H u n i t s Co m p a r i s o n C r i t e r i a : Sh a d i n g i n d i c a t e s e x c e e d a n c e o f e i t h e r a p p l i c a b l e c r i t e r i a . Qu a l i f i e r N o t e s : U - - N o t d e t e c t e d a b o v e t h e r e p o r t i n g d e t e c t i o n l i m i t . J - - E s t i m a t e d C o n c e n t r a t i o n J+ - - E s t i m a t e d c o n c e n t r a t i o n , b i a s e d h i g h . J- - - E s t i m a t e d c o n c e n t r a t i o n , b i a s e d l o w . bo l d - i n d i c a t e s e x c e e d a n c e o f N C D E N R I n d u s t r i a l H e a l t h It a l i c / u n d e r l i n e - i n d i c a t e s e x c e e d a n c e o f N C D E N R P r o t e c t i o n of G r o u n d w a t e r P S R G No r t h C a r o l i n a D e p a r t m e n t o f E n v i r o n m e n t a n d N a t u r a l Re s o u r c e s D i v i s i o n o f W a s t e M a n a g e m e n t S o i l R e m e d i a t i o n Go a l s T a b l e ( M a r c h 2 0 1 5 ) - P r e l i m i n a r y I n d u s t r i a l H e a l t h Ba s e d S o i l R e m e d i a t i o n G o a l ( P S R G ) a n d P r o t e c t i o n o f Gr o u n d w a t e r P S R G . ** N o t e : N o P S R G f o r T o t a l C h r o m i u m i s c u r r e n t l y a v a i l a b l e , a s a s u r r o g a t e t h e P S R G f o r T r i v a l e n t C h r o m i u m w a s u s e d f o r co m p a r i s o n p u r p o s e s o n l y . An a l y t e CA S R N Re s u l t U n i t NC D E N R I n d u s t r i a l H e a l t h P S R G NC D E N R P r o t e c t i o n o f G r o u n d w a t e r P S R G NS - N o a p p l i c a b l e s t a n d a r d f o r t h i s p a r a m e t e r Page 1 of 3 Ta b l e 9 - 1 0 . S e d i m e n t S a m p l e R e s u l t s Sa m p l e N a m e S a m p l e I D S a m p l e D a t e S- 1 2 0 1 5 0 1 6 4 2 7 5 / 2 7 / 2 0 1 5 S- 2 9 2 2 5 9 3 2 8 0 0 1 7 / 1 6 / 2 0 1 5 S- 3 9 2 2 5 9 3 2 8 0 0 2 7 / 1 6 / 2 0 1 5 SW - 3 2 0 1 5 0 1 6 4 2 4 5 / 2 7 / 2 0 1 5 SW - 4 2 0 1 5 0 1 6 4 2 5 5 / 2 7 / 2 0 1 5 SW - 5 2 0 1 5 0 1 6 4 2 6 5 / 2 7 / 2 0 1 5 SW - 6 9 2 2 5 6 8 9 3 0 0 1 6 / 3 0 / 2 0 1 5 SW - 7 9 2 2 5 6 8 9 3 0 0 2 6 / 3 0 / 2 0 1 5 SW - 8 9 2 2 5 6 8 9 3 0 0 3 6 / 3 0 / 2 0 1 5 Ge n e r a l N o t e s : mg / k g - m i l l i g r a m s p e r k i l o g r a m NA - N o t a n a l y z e d o r n o t r e p o r t e d b y a n a l y t i c a l l a b o r a t o r y St d . U n i t s - p H u n i t s Co m p a r i s o n C r i t e r i a : Sh a d i n g i n d i c a t e s e x c e e d a n c e o f e i t h e r a p p l i c a b l e c r i t e r i a . Qu a l i f i e r N o t e s : U - - N o t d e t e c t e d a b o v e t h e r e p o r t i n g d e t e c t i o n l i m i t . J - - E s t i m a t e d C o n c e n t r a t i o n J+ - - E s t i m a t e d c o n c e n t r a t i o n , b i a s e d h i g h . J- - - E s t i m a t e d c o n c e n t r a t i o n , b i a s e d l o w . bo l d - i n d i c a t e s e x c e e d a n c e o f N C D E N R I n d u s t r i a l H e a l t h It a l i c / u n d e r l i n e - i n d i c a t e s e x c e e d a n c e o f N C D E N R P r o t e c t i o n of G r o u n d w a t e r P S R G No r t h C a r o l i n a D e p a r t m e n t o f E n v i r o n m e n t a n d N a t u r a l Re s o u r c e s D i v i s i o n o f W a s t e M a n a g e m e n t S o i l R e m e d i a t i o n Go a l s T a b l e ( M a r c h 2 0 1 5 ) - P r e l i m i n a r y I n d u s t r i a l H e a l t h Ba s e d S o i l R e m e d i a t i o n G o a l ( P S R G ) a n d P r o t e c t i o n o f Gr o u n d w a t e r P S R G . ** N o t e : N o P S R G f o r T o t a l C h r o m i u m i s c u r r e n t l y a v a i l a b l e , a s a s u r r o g a t e t h e P S R G f o r T r i v a l e n t C h r o m i u m w a s u s e d f o r co m p a r i s o n p u r p o s e s o n l y . An a l y t e CA S R N Re s u l t U n i t NC D E N R I n d u s t r i a l H e a l t h P S R G NC D E N R P r o t e c t i o n o f G r o u n d w a t e r P S R G NS - N o a p p l i c a b l e s t a n d a r d f o r t h i s p a r a m e t e r Me r c u r y M o l y b d e n u m N i c k e l S e l e n i u m S t r o n t i u m T h a l l i u m V a n a d i u m Z i n c C a l c i u m C h l o r i d e M a g n e s i u m N i t r a t e P o t a s s i u m 74 3 9 - 9 7 - 6 74 3 9 - 9 8 - 7 7 4 4 0 - 0 2 - 0 7 7 8 2 - 4 9 - 2 7 4 4 0 - 2 4 - 6 74 4 0 - 2 8 - 0 7 4 4 0 - 6 2 - 2 7 4 4 0 - 6 6 - 6 7440-70-2 1 6 8 8 7 - 0 0 - 6 7439-95-4 14797-55-8 7440-09-7 mg / k g m g / k g m g / k g m g / k g m g / k g m g / k g m g / k g m g / k g m g / k g m g / k g m g / k g m g / k g m g / k g 8 1 2 0 0 4 4 0 0 1 2 0 0 1 0 0 0 0 0 2 . 4 1 2 0 0 7 0 0 0 0 N S N S N S 1 0 0 0 0 0 N S 1 N S 1 3 0 2 . 1 N S 0 . 2 8 6 1 2 0 0 N S N S N S N S N S 0. 0 2 4 3 . 1 J 7 . 9 9 . 7 U 2 6 . 1 9 . 7 U 28 . 5 38 . 2 1 8 6 0 4 9 1 U 1 6 0 0 4 9 . 1 U J 5 7 1 0. 0 0 6 7 J + 6 4 . 7 7 . 5 U 1 3 . 7 7 . 5 U 18 . 9 16 . 3 8 0 6 3 6 4 U 9 2 2 3 6 . 4 U J 4 0 0 0. 0 1 7 U J 7 . 9 7 . 5 1 0 . 7 U 2 6 . 5 1 0 . 7 U 27 . 2 26 . 6 1 7 2 0 5 2 6 U 1 4 9 0 5 2 . 6 U J 7 0 9 0. 0 5 6 6 . 5 1 5 . 2 1 1 . 4 U 4 1 . 3 1 1 . 4 U 58 . 8 54 . 6 2 0 6 0 5 5 5 U J 3 5 1 0 5 5 . 5 U J 1 9 7 0 0. 0 1 8 4 . 5 U 1 0 9 U 1 9 . 1 9 U 32 . 3 42 . 4 1 2 6 0 4 5 8 U 1 9 1 0 4 5 . 8 U J 6 9 1 0. 0 8 4 8 . 3 U 1 0 . 9 1 6 . 6 U 2 0 . 1 1 6 . 6 U 32 . 9 85 . 4 1 9 3 0 7 8 7 U 2 0 3 0 7 8 . 7 U J 6 7 4 J 0. 0 1 3 J 4 . 3 U 4 . 7 8 . 5 U 3 . 5 J 8 . 5 U 15 . 8 22 . 7 4 6 9 4 5 4 U 1 2 5 0 4 5 . 4 U J 9 4 4 0. 0 1 8 3 . 3 U 2 . 1 6 . 7 U 3 . 3 U 6 . 7 U 6. 2 J 9. 6 2 9 0 3 1 8 U 3 6 1 3 1 . 8 U J 2 2 6 J 0. 0 2 4 3 . 7 U 3 . 4 7 . 4 U 2 . 5 J 7 . 4 U 10 . 5 16 . 5 3 5 2 3 4 7 U 6 6 4 3 4 . 7 U J 4 2 4 Page 2 of 3 Ta b l e 9 - 1 0 . S e d i m e n t S a m p l e R e s u l t s Sa m p l e N a m e S a m p l e I D S a m p l e D a t e S- 1 2 0 1 5 0 1 6 4 2 7 5 / 2 7 / 2 0 1 5 S- 2 9 2 2 5 9 3 2 8 0 0 1 7 / 1 6 / 2 0 1 5 S- 3 9 2 2 5 9 3 2 8 0 0 2 7 / 1 6 / 2 0 1 5 SW - 3 2 0 1 5 0 1 6 4 2 4 5 / 2 7 / 2 0 1 5 SW - 4 2 0 1 5 0 1 6 4 2 5 5 / 2 7 / 2 0 1 5 SW - 5 2 0 1 5 0 1 6 4 2 6 5 / 2 7 / 2 0 1 5 SW - 6 9 2 2 5 6 8 9 3 0 0 1 6 / 3 0 / 2 0 1 5 SW - 7 9 2 2 5 6 8 9 3 0 0 2 6 / 3 0 / 2 0 1 5 SW - 8 9 2 2 5 6 8 9 3 0 0 3 6 / 3 0 / 2 0 1 5 Ge n e r a l N o t e s : mg / k g - m i l l i g r a m s p e r k i l o g r a m NA - N o t a n a l y z e d o r n o t r e p o r t e d b y a n a l y t i c a l l a b o r a t o r y St d . U n i t s - p H u n i t s Co m p a r i s o n C r i t e r i a : Sh a d i n g i n d i c a t e s e x c e e d a n c e o f e i t h e r a p p l i c a b l e c r i t e r i a . Qu a l i f i e r N o t e s : U - - N o t d e t e c t e d a b o v e t h e r e p o r t i n g d e t e c t i o n l i m i t . J - - E s t i m a t e d C o n c e n t r a t i o n J+ - - E s t i m a t e d c o n c e n t r a t i o n , b i a s e d h i g h . J- - - E s t i m a t e d c o n c e n t r a t i o n , b i a s e d l o w . bo l d - i n d i c a t e s e x c e e d a n c e o f N C D E N R I n d u s t r i a l H e a l t h It a l i c / u n d e r l i n e - i n d i c a t e s e x c e e d a n c e o f N C D E N R P r o t e c t i o n of G r o u n d w a t e r P S R G No r t h C a r o l i n a D e p a r t m e n t o f E n v i r o n m e n t a n d N a t u r a l Re s o u r c e s D i v i s i o n o f W a s t e M a n a g e m e n t S o i l R e m e d i a t i o n Go a l s T a b l e ( M a r c h 2 0 1 5 ) - P r e l i m i n a r y I n d u s t r i a l H e a l t h Ba s e d S o i l R e m e d i a t i o n G o a l ( P S R G ) a n d P r o t e c t i o n o f Gr o u n d w a t e r P S R G . ** N o t e : N o P S R G f o r T o t a l C h r o m i u m i s c u r r e n t l y a v a i l a b l e , a s a s u r r o g a t e t h e P S R G f o r T r i v a l e n t C h r o m i u m w a s u s e d f o r co m p a r i s o n p u r p o s e s o n l y . An a l y t e CA S R N Re s u l t U n i t NC D E N R I n d u s t r i a l H e a l t h P S R G NC D E N R P r o t e c t i o n o f G r o u n d w a t e r P S R G NS - N o a p p l i c a b l e s t a n d a r d f o r t h i s p a r a m e t e r So d i u m S u l f a t e p H ( f i e l d ) To t a l O r g a n i c Ca r b o n 74 4 0 - 2 3 - 5 14 8 0 8 - 7 9 - 8 PH T O C mg / k g m g / k g S t d . U n i t s m g / k g NS N S N S N S NS N S N S N S 48 5 U 4 9 1 U J 6 . 7 J 1 0 9 0 0 37 6 U 3 6 4 U 6 . 9 J 9 8 4 0 53 4 U 5 2 6 U 6 . 7 J 3 1 3 0 0 56 8 U 5 5 5 U 6 . 8 J 3 6 3 0 0 44 8 U 4 5 8 U 6 . 3 J 1 4 2 0 0 82 9 U 7 8 7 U 6 . 3 J 8 6 1 0 0 42 6 U 4 5 4 U 6 . 4 J N A 33 3 U 3 1 8 U 6 . 9 J N A 37 0 U 3 4 7 U 6 . 8 J N A Page 3 of 3 Page 1 of 1 Table 10-1. COIs near DRSS with their Associated State and Federal Drinking Water Standards Constituent NCAC 2L Groundwater Standard (µg/L) EPA Primary MCL (µg/L) EPA Secondary MCL (µg/L) IMAC (µg/L) Arsenic 10 10 - - Barium 700 2,000 - - Beryllium - 4 - - Boron 700 - - - Cobalt - - - 1 Iron 300 - 300 - Lead 15 15 - - Manganese 50 - 50 - pH 6.5 - 8.5* - 6.5 - 8.5* - Antimony - 6 - 1 Sulfate 250000 - 250000 - TDS 500000 - 500000 - Chromium 10 100 - - Cobalt - - - 1 Selenium 20 50 - - Thallium - 2 - 0.2 Vanadium - - - 0.3 * Standard Units Page 1 of 1 Table 10-2. Regional Average Concentrations of Iron in Groundwater Region Average Concentration of Iron in Groundwater (µg/L) North Carolina Coastal Plain 2,715 North Carolina Piedmont 624 North Carolina Mountains 622 North Carolina (statewide) 1,320 Page 1 of 1 Table 10-3. Regional Average Concentrations of Manganese in Groundwater Region Average Concentration of Manganese in Groundwater (µg/L) North Carolina Coastal Plain 41 North Carolina Piedmont 221 North Carolina Mountains 44 North Carolina (statewide) 102 Page 1 of 1 Table 10-4. Concentration of Manganese in 20-Mile Radius Surrounding DRSS Concentration of Manganese in 20-mile radius Surrounding Dan River Steam Station Count 132 Minimum (ug/L) 0 Maximum (ug/L) 785.8 Mean (ug/L) 33.3 Standard Deviation (ug/L) 91.5 Page 1 of 1 Table 10-5. Concentration of Vanadium in 20-Mile Radius Surrounding DRSS Concentration of Vanadium in 20-mile radius Surrounding Dan River Steam Station Count 132 Minimum (ug/L) < 0.1 Maximum (ug/L) 8.9 Mean (ug/L)* 0.84 Standard Deviation (ug/L) 1.37 * Includes non-detect values at the detection limit Page 1 of 3 Table 10-6. Monitoring Well Construction Information Monitoring Well Type Monitoring Well ID Number Date Water Level was Obtained Elevation of Water Level (ft msl) Land Surface Elevation (ft msl) Top of Well Casing Elevation (ft msl) Screened Interval Elevation (ft msl) Screened Interval Elevation (ft bgs) Bottom of Well Elevation (ft msl) Deep AB-5D 6/26/15 521.56 534.39 533.85 500.39 - 495.39 34 - 39 495.09 Deep AB-5D-A --- --- 534.39 --- --- - --- --- - --- --- Shallow AB-5S 6/26/15 522.06 534.21 534.00 527.21 - 512.21 7 - 22 511.91 Deep AB-10D 6/26/15 492.14 539.66 539.42 462.66 - 457.66 77 - 82 457.36 Shallow AB-10S 6/26/15 520.32 539.65 593.44 524.65 - 509.65 15 - 30 509.35 Shallow- Lower AB-10SL 6/26/15 498.84 539.65 539.42 496.65 - 491.65 43 - 48 491.35 Shallow- Lower AB-15SL --- --- 526.78 --- --- - --- --- - --- --- Shallow AB-20S --- --- 533.68 --- --- - --- --- - --- --- Shallow- Lower AB-20SL --- --- 533.68 --- --- - --- --- - --- --- Bedrock AB-25BR 6/26/15 486.12 539.43 542.90 395.43 - 390.43 144 - 149 390.13 Deep AB-25D 6/26/15 491.51 539.47 542.97 457.47 - 452.47 82 - 87 452.17 Shallow AB-25S 6/26/15 496.57 539.37 542.87 509.37 - 494.37 30 - 45 494.07 Bedrock AB-30BR 6/26/15 489.90 529.63 529.21 420.63 - 415.63 109 - 114 415.33 Deep AB-30D 6/26/15 490.60 529.67 529.44 475.67 - 470.67 54 - 59 470.37 Shallow AB-30S 6/26/15 514.18 529.67 529.28 514.67 - 499.67 15 - 30 499.37 Bedrock AB-35BR 6/26/15 508.98 528.75 531.99 447.75 - 442.75 81 - 86 442.45 Deep AS-2D 6/26/15 528.32 560.68 561.03 507.68 - 502.68 53 - 58 502.38 Deep AS-4D 6/26/15 544.67 559.22 562.13 524.22 - 519.22 35 - 40 518.92 Deep AS-6D 6/26/15 551.25 584.28 586.66 528.28 - 523.28 56 - 61 522.98 Bedrock AS-8BR 6/26/15 545.39 579.29 582.10 515.29 - 510.29 64 - 69 509.99 Deep AS-8D 6/26/15 545.13 579.30 582.23 531.30 - 527.3 48 - 52 527 Deep AS-10D 6/26/15 570.06 588.89 591.84 550.89 - 545.89 38 - 43 545.59 Shallow AS-12S 6/26/15 548.95 557.00 559.70 543.10 - 533.1 13.9 - 23.9 532.8 Deep BG-1D 6/26/15 500.38 513.29 516.40 504.29 - 499.29 9 - 14 498.99 Page 2 of 3 Monitoring Well Type Monitoring Well ID Number Date Water Level was Obtained Elevation of Water Level (ft msl) Land Surface Elevation (ft msl) Top of Well Casing Elevation (ft msl) Screened Interval Elevation (ft msl) Screened Interval Elevation (ft bgs) Bottom of Well Elevation (ft msl) Shallow BG-1S --- --- 513.29 --- --- - --- --- - --- --- Deep BG-5D 6/26/15 507.17 511.94 514.91 483.94 - 478.94 28 - 33 478.64 Shallow BG-5S 6/26/15 507.29 512.26 515.24 501.76 - 491.76 10.5 - 20.5 491.46 Deep GWA-1D 6/29/15 571.01 598.81 601.58 484.81 - 479.81 114 - 119 479.51 Shallow GWA-1S 6/29/15 572.58 598.83 601.39 568.83 - 553.83 30 - 45 553.53 Deep GWA-2D 6/26/15 560.28 598.05 588.04 542.05 - 537.05 56 - 61 536.75 Shallow GWA-2S 6/26/15 564.12 584.97 587.57 568.97 - 553.97 16 - 31 553.67 Deep GWA-3D 6/26/15 549.82 571.48 574.07 537.48 - 532.48 34 - 39 532.18 Shallow GWA-3S 6/26/15 552.96 571.41 573.99 557.61 - 547.61 13.8 - 23.8 547.31 Deep GWA-4D 6/26/15 499.95 524.09 527.20 481.09 - 476.09 43 - 48 475.79 Shallow GWA-4S 6/26/15 516.36 524.65 527.87 504.65 - 489.65 20 - 35 489.35 Bedrock GWA-5BR 6/26/15 496.30 497.11 499.73 442.11 - 437.11 55 - 60 436.81 Deep GWA-6D 6/26/15 483.26 501.95 501.20 472.95 - 467.95 29 - 34 467.65 Shallow GWA-6S 6/26/15 487.95 501.86 501.48 492.86 - 482.86 9 - 19 482.56 Deep GWA-7D 6/26/15 526.15 543.73 543.48 497.73 - 492.73 46 - 51 492.43 Shallow GWA-7S 6/26/15 527.08 543.37 543.16 529.37 - 514.37 14 - 29 514.07 Deep GWA-8D 6/26/15 567.75 581.83 584.01 546.83 - 541.83 35 - 40 541.53 Shallow GWA-8S 6/26/15 568.52 581.50 583.87 575.50 - 560.5 6 - 21 560.2 Deep GWA-9D 6/29/15 580.37 608.41 611.30 541.41 - 536.41 67 - 72 536.11 Shallow GWA-9S 6/29/15 581.50 608.87 611.72 576.87 - 561.87 32 - 47 561.57 Deep GWA-10D 6/29/15 520.00 550.19 553.64 517.19 - 512.19 33 - 38 511.89 Shallow GWA-10S 6/29/15 523.07 550.05 553.45 537.05 - 522.05 13 - 28 521.75 Deep GWA-11D 6/26/15 541.45 557.12 559.78 527.62 - 522.62 29.5 - 34.5 522.32 Shallow GWA-11S 6/26/15 540.35 557.55 560.12 547.55 - 532.55 10 - 25 532.25 Deep GWA-12D 6/29/15 564.31 582.06 584.49 555.06 - 550.06 27 - 32 549.76 Shallow GWA-12S 6/29/15 572.49 582.53 584.93 577.03 - 567.03 5.5 - 15.5 566.73 Page 3 of 3 Monitoring Well Type Monitoring Well ID Number Date Water Level was Obtained Elevation of Water Level (ft msl) Land Surface Elevation (ft msl) Top of Well Casing Elevation (ft msl) Screened Interval Elevation (ft msl) Screened Interval Elevation (ft bgs) Bottom of Well Elevation (ft msl) Deep GWA-14D 6/26/15 493.65 496.70 500.19 485.20 - 480.2 11.5 - 16.5 479.9 Shallow GWA-14S 6/26/15 489.05 496.54 499.97 493.54 - 488.54 3 - 8 488.24 Deep GWA-15D 6/26/15 481.53 501.26 504.13 475.26 - 470.26 26 - 31 469.96 Shallow GWA-15S 6/26/15 DRY 500.96 527.66 493.46 - 488.46 7.5 - 12.5 488.16 Bedrock MW -22BR 6/26/15 486.50 502.61 502.32 444.61 - 439.61 58 - 63 439.31 Bedrock MW -23BR 6/26/15 ARTESIAN 524.46 527.66 468.46 - 463.46 56 - 61 463.16 Bedrock MW -301BR 6/29/15 570.64 590.34 593.55 553.34 - 548.34 37 - 42 548.04 Bedrock MW -303BR 6/26/15 557.85 648.36 651.37 511.36 - 506.36 137 - 142 506.06 Bedrock MW -306BR 6/26/15 544.34 611.46 613.62 509.46 - 504.46 102 - 107 504.16 Bedrock MW -306BR- A --- --- 611.46 --- --- - --- --- - --- --- Bedrock MW -308BR 6/26/15 521.08 530.46 532.69 453.46 - 448.46 77 - 82 448.16 Bedrock MW -310BR 6/26/15 521.48 539.12 538.91 466.12 - 461.12 73 - 78 460.82 Bedrock MW -311BR 6/26/15 495.88 536.21 537.73 416.21 - 411.21 120 - 125 410.91 Bedrock MW -314BR 6/26/15 510.45 540.06 539.75 471.06 - 466.06 69 - 74 465.76 Bedrock MW -315BR 6/26/15 525.57 567.52 570.75 507.82 - 492.82 59.7 - 74.7 492.52 Bedrock MW -317BR 6/26/15 547.75 569.74 571.96 486.74 - 481.74 83 - 88 481.44 Deep MW -318D 6/26/15 536.72 654.59 567.21 610.09 - 605.09 44.5 - 49.5 604.79 Table 10-7. Compliance and Voluntary Monitoring Well Construction Information Elevation of Water Level Land Surface Elevation Top of Well Casing Elevation Bottom of Well Elevation (ft msl)(ft msl)(ft msl)(ft msl) MW-8 Shallow ---585.09 ---23.4 -33.4 - MW-9 Shallow 6/29/2015 506.02 524.27 526.41 514.47 -504.47 11.94 -21.94 504.17 MW-9D Deep 6/29/2015 493.85 524.69 527.04 460.99 -455.99 66.05 -71.05 455.69 MW-10 Shallow --529.88 531.81 521.01 -511.01 10.8 -20.8 510.71 MW-10D Deep 6/29/2015 482.00 529.88 531.8 464.25 -459.25 67.55 -72.55 458.95 MW-11 Shallow --529.17 531.16 516.77 -506.77 14.39 -24.39 506.47 MW-11D Deep 6/29/2015 DRY 529.17 531.16 480.34 -475.34 50.82 -55.82 475.04 MW-12 Shallow 6/29/2015 572.68 590.71 593.59 566.47 -556.47 27.12 -37.12 556.17 MW-12D Deep 6/29/2015 572.71 590.79 593.23 553.26 -548.26 39.97 -44.97 547.96 MW-20D Deep 6/29/2015 558.1 559.42 562.23 523.03 -518.03 39.2 -44.2 517.73 MW-20S Shallow 6/29/2015 556.5 559.71 562.28 555.17 -540.17 7.11 -22.11 539.87 MW-21D Deep 6/29/2015 496.55 496.23 498.9 482.5 -477.5 16.4 -21.4 477.2 MW-21S Shallow 6/29/2015 493.38 496.03 498.8 492.24 -487.24 6.56 -11.56 486.94 MW-22D Deep 6/29/2015 465.56 502.22 505.19 490.16 -480.16 14.86 -24.86 479.86 MW-22S Shallow 6/29/2015 484.77 502.05 504.52 470.58 -465.58 34.11 -39.11 465.28 MW-23D Deep 6/29/2015 513.47 524.98 528.22 514.47 -504.47 10.11 -20.11 504.17 Screened Interval (ft bgs) Voluntary Compliance Monitoring Well Type Monitoring Well ID Number Date Water Level was Obtained Screened Interval Elevation (ft msl) Page 1 of 1 Table 10-8. Redox Potential Redox Category Redox Process N N NA NA Sample Name Sample Date Result Result AB-10D 6/24/2015 OxicOrSuboxic O2?OrSuboxic AB-10S 6/26/2015 AnoxicOrMixed(ox-an)Fe(III)-O2? AB-10SL 6/26/2015 AnoxicOrMixed(ox-an)Fe(III)-O2? AB-15S 6/22/2015 AnoxicOrMixed(ox-an)Fe(III)-O2? AB-25BR 6/26/2015 O2 < 0.5 mg/L Unknown AB-25D 6/26/2015 O2 < 0.5 mg/L Unknown AB-25S 6/26/2015 AnoxicOrMixed(ox-an)Mn(IV)-O2? AB-30BR 6/24/2015 Mixed(anoxic)Fe(III)-SO4-O2? AB-30D 6/24/2015 AnoxicOrMixed(ox-an)Mn(IV)-O2? AB-30S 6/29/2015 O2 < 0.5 mg/L Unknown AB-35BR 6/25/2015 O2 < 0.5 mg/L Unknown AB-5D 6/18/2015 Mixed(anoxic)Fe(III)-SO4-O2? AB-5S 6/19/2015 AnoxicOrMixed(ox-an)Fe(III)-O2? AS-10D 6/8/2015 O2 < 0.5 mg/L Unknown AS-12S 6/9/2015 Mixed(anoxic)Fe(III)-SO4-O2? AS-2D 6/17/2015 O2 < 0.5 mg/L Unknown AS-4D 6/5/2015 O2 < 0.5 mg/L Unknown AS-6D 6/8/2015 O2 < 0.5 mg/L Unknown AS-8BR 6/9/2015 O2 < 0.5 mg/L Unknown AS-8D 6/26/2015 O2 < 0.5 mg/L Unknown BG-5D 6/23/2015 O2 < 0.5 mg/L Unknown BG-5S 6/24/2015 Mixed(anoxic)Fe(III)-SO4-O2? GWA-10D 6/26/2015 O2 >= 0.5 mg/L Unknown GWA-11D 6/5/2015 O2 < 0.5 mg/L Unknown GWA-11S 6/10/2015 O2 >= 0.5 mg/L Unknown GWA-12D 6/4/2015 O2 >= 0.5 mg/L Unknown GWA-12S 6/4/2015 O2 < 0.5 mg/L Unknown GWA-14D 6/30/2015 O2 >= 0.5 mg/L Unknown GWA-15D 6/30/2015 O2 < 0.5 mg/L Unknown GWA-1D 6/11/2015 O2 >= 0.5 mg/L Unknown GWA-1S 6/17/2015 O2 >= 0.5 mg/L Unknown GWA-2D 6/10/2015 O2 >= 0.5 mg/L Unknown GWA-2S 6/11/2015 O2 >= 0.5 mg/L Unknown GWA-3D 6/4/2015 O2 >= 0.5 mg/L Unknown GWA-3S 6/4/2015 O2 < 0.5 mg/L Unknown GWA-4D 6/23/2015 O2 >= 0.5 mg/L Unknown GWA-4S 6/19/2015 Mixed(anoxic)Fe(III)-SO4-O2? GWA-5BR 6/16/2015 O2 < 0.5 mg/L Unknown GWA-6D 6/29/2015 O2 >= 0.5 mg/L Unknown GWA-6S 6/30/2015 AnoxOrMixed(ox-ano)Fe(III)-O2? GWA-7D 6/16/2015 O2 >= 0.5 mg/L Unknown GWA-7S 6/19/2015 O2 >= 0.5 mg/L Unknown GWA-8D 6/5/2015 O2 >= 0.5 mg/L Unknown GWA-8S 6/19/2015 Mixed(anoxic)Fe(III)-SO4-O2? GWA-9D 6/15/2015 O2 < 0.5 mg/L Unknown GWA-9S 6/19/2015 O2 >= 0.5 mg/L Unknown MW-10 6/24/2015 Indeterminate Indeterminate MW-10 6/25/2015 Indeterminate Indeterminate MW-10D 6/24/2015 O2 >= 0.5 mg/L Unknown MW-11 6/25/2015 O2 >= 0.5 mg/L Unknown MW-11D 6/29/2015 O2 >= 0.5 mg/L Unknown MW-12 6/20/2015 AnoxicOrMixed(ox-an)Fe(III)-O2? MW-12D 6/20/2015 O2 < 0.5 mg/L Unknown MW-20D 6/24/2015 O2 < 0.5 mg/L Unknown MW-20S 6/24/2015 AnoxicOrMixed(ox-an)Fe(III)-O2? MW-21D 6/23/2015 O2 < 0.5 mg/L Unknown MW-21S 6/24/2015 AnoxicOrMixed(ox-an)Mn(IV)-O2? MW-22BR 6/25/2015 Mixed(anoxic)Fe(III)-SO4-O2? MW-22S 6/25/2015 O2 >= 0.5 mg/L Unknown MW-23BR 6/1/2015 O2 >= 0.5 mg/L Unknown MW-23D 6/30/2015 O2 >= 0.5 mg/L Unknown MW-301BR 6/11/2015 Mixed(anoxic)Fe(III)-SO4-O2? MW-303BR 6/12/2015 O2 < 0.5 mg/L Unknown MW-306BR 6/12/2015 O2 < 0.5 mg/L Unknown MW-308BR 6/15/2015 O2 < 0.5 mg/L Unknown MW-310BR 6/16/2015 O2 < 0.5 mg/L Unknown MW-311BR 6/29/2015 O2 >= 0.5 mg/L Unknown MW-314BR 6/25/2015 O2 >= 0.5 mg/L Unknown MW-315BR 6/19/2015 O2 >= 0.5 mg/L Unknown MW-317BR 6/5/2015 O2 >= 0.5 mg/L Unknown MW-318D 6/2/2015 O2 >= 0.5 mg/L Unknown MW-9 6/25/2015 Indeterminate Indeterminate MW-9 6/30/2015 Indeterminate Indeterminate MW-9D 6/24/2015 O2 >= 0.5 mg/L Unknown OW-308D 6/25/2015 O2 >= 0.5 mg/L Unknown OW-310D 6/23/2015 O2 >= 0.5 mg/L Unknown SW-6 6/30/2015 Indeterminate Indeterminate SW-7 6/30/2015 Indeterminate Indeterminate SW-8 6/30/2015 Indeterminate Indeterminate Notes: Redox Parameter Fraction Unit For samples with complete water quality results (measured DO, NO3, Mn, Fe, and SO4) the general redox category and redox process is assigned. Page 1 of 2 Table 10-8. Redox Potential Redox Category Redox Process N N NA NA Sample Name Sample Date Result Result Redox Parameter Fraction Unit For those samples that do not have DO data, but have NO3, Mn, Fe, and SO4, redox process and category is assigned but amended with additional information regarding the lack of DO data. For those samples that do not have data for either NO3, Mn, Fe, or SO4, samples are classified as "Indeterminate" Question marks (?) indicate that the process is likely in that direction though the calculation did not have enough information to completely assign a category. Calculations were made using the spreadsheet provided by the United States Geological Survey. Method was conducted following the report: An Excel Workbook for Identifying Redox Processes in Ground Water Open File Report 2009-1004. Available online at http://pubs.usgs.gov/of/2009/1004/ofr_2009- 1004.pdf For samples with incomplete water quality results (missing one or more parameter), samples are divided into two classes based on DO levels. Page 2 of 2 Table 10-. $VK%DVLQ*URXQGZDWHUSample Results Aluminum Aluminum Antimony Antimony Arsenic Arsenic Barium Barium Beryllium Beryllium Boron Boron Cadmium 7429-90-5 7429-90-5 7440-36-0 7440-36-0 7440-38-2 7440-38-2 7440-39-3 7440-39-3 7440-41-7 7440-41-7 7440-42-8 7440-42-8 7440-43-9 D T D T D T D T D T D T D ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l NS NS NS NS 10 10 700 700 NS NS 700 700 2 NS NS 1 1 NS NS NS NS 4 4 NS NS NS Sample Name Sample ID Sample Date AB-10D 92256033005 6/24/2015 74 J 290 8.8 1.9 0.66 0.68 37 290 0.2 U 0.2 U 250 290 0.08 U AB-25BR 92256382003 6/26/2015 100 U 100 U 1 1 2.4 2.6 19 21 0.2 U 0.2 U 190 180 0.08 U AB-25D 92256382001 6/26/2015 52 J 170 1.6 1.7 0.31 J 0.45 J 16 20 0.2 U 0.2 U 820 840 0.08 U AB-30BR 92256033001 6/24/2015 100 U 280 0.5 U 0.5 U 0.82 0.83 82 99 0.2 U 0.2 U 300 320 0.08 U AB-30D 92256033004 6/24/2015 100 U 94 J 2 1.5 0.46 J 0.41 J 82 110 0.2 U 0.2 U 240 250 0.08 U AB-30S 92256589001 6/29/2015 110 130 J 0.5 UJ 2.6 J 0.5 UJ 0.5 U 120 130 0.2 UJ 0.45 300 290 0.08 UJ AB-35BR 92256210001 6/25/2015 100 U 190 0.51 0.48 J 12 11.7 210 240 0.2 U 0.2 U 270 270 0.08 U AB-5D 92255375001 6/18/2015 100 U 62 J 0.5 U 0.5 U 8.8 8.5 89 89 0.2 U 0.2 U 560 500 0.08 U MW-23BR 2015017088 6/1/2015 75 8 1.16 1.21 6.29 6.36 132 136 1 U 1 U 50 U 50 U 1 U MW-23D 92256821003 6/30/2015 100 U 180 0.5 U 0.5 U 0.33 J 0.27 J 94 80 0.2 U 0.2 U 50 U 50 U 0.08 U MW-308BR 2015019703 6/15/2015 9.7 J+483 0.22 J 0.24 J 1.7 1.8 69 76 0.2 U 0.2 U 260 J+260 0.08 U MW-310BR 2015020015 6/16/2015 5.7 J 659 0.32 J 0.34 J 1.1 1.3 56 57 0.2 U 0.2 U 31 J 35 J+0.08 U MW-311BR 92256589004 6/29/2015 100 U 910 0.22 J 0.3 J 0.35 J 0.32 J 94 110 0.2 U 0.2 U 700 690 0.08 U MW-314BR 92256210003 6/25/2015 100 U 350 0.53 0.47 J 0.36 J 0.3 J 19 24 0.2 U 0.2 U 510 500 0.08 U OW-308D 92256210002 6/25/2015 100 U 100 U 0.5 U 0.5 U 585 620 27 30 0.2 U 0.2 U 370 380 0.08 U OW-310D 92255804002 6/23/2015 100 U 170 0.5 U 0.5 UJ 731 809 350 380 0.27 0.2 U 980 1100 0.08 U General Notes: ug/l - micrograms per liter NA - Not analyzed or not reported by analytical laboratory T - Total D - Dissolved N - Fraction not applicable Comparison Criteria: Qualifier Notes: U -- Not detected above the reporting detection limit. J -- Estimated Concentration J+ -- Estimated concentration, biased high. J- --Estimated concentration, biased low. NS - No applicable standard for this parameter shading + bold - indicates exceedance of NC 2L or IMAC Criteria. North Carolina Department of Environment and Natural Resources Division of Water Resources 02L Groundwater Quality Standards and Interim Maximum Allowable Concentrations (IMACs). April 2013 *NOTE: The IMAC value is shown where there is no applicable 02L standard. Appendix #1 of 15A NCAC Subchapter 02L Classifications and Water Quality Standards Applicable to the Groundwaters of North Carolina , lists Interim Maximum Allowable Concentrations (IMACs). The IMACs were issued in 2010 and 2011, however NCDENR has not established a 02L standard for these constituents as described in 15A NCAC 02L.0202(c). For this reason, IMACs are noted in this report for reference only. Analyte CAS RN Fraction Result Unit 15A NCAC 02L STANDARD IMAC* Page 1 of 6 Table 10-. $VK%DLVQGroundwater Sample Results Sample Name Sample ID Sample Date AB-10D 92256033005 6/24/2015 AB-25BR 92256382003 6/26/2015 AB-25D 92256382001 6/26/2015 AB-30BR 92256033001 6/24/2015 AB-30D 92256033004 6/24/2015 AB-30S 92256589001 6/29/2015 AB-35BR 92256210001 6/25/2015 AB-5D 92255375001 6/18/2015 MW-23BR 2015017088 6/1/2015 MW-23D 92256821003 6/30/2015 MW-308BR 2015019703 6/15/2015 MW-310BR 2015020015 6/16/2015 MW-311BR 92256589004 6/29/2015 MW-314BR 92256210003 6/25/2015 OW-308D 92256210002 6/25/2015 OW-310D 92255804002 6/23/2015 General Notes: ug/l - micrograms per liter NA - Not analyzed or not reported by analytical laboratory T - Total D - Dissolved N - Fraction not applicable Comparison Criteria: Qualifier Notes: U -- Not detected above the reporting detection limit. J -- Estimated Concentration J+ -- Estimated concentration, biased high. J- --Estimated concentration, biased low. NS - No applicable standard for this parameter shading + bold - indicates exceedance of NC 2L or IMAC Criteria. North Carolina Department of Environment and Natural Resources Division of Water Resources 02L Groundwater Quality Standards and Interim Maximum Allowable Concentrations (IMACs). April 2013 *NOTE: The IMAC value is shown where there is no applicable 02L standard. Appendix #1 of 15A NCAC Subchapter 02L Classifications and Water Quality Standards Applicable to the Groundwaters of North Carolina , lists Interim Maximum Allowable Concentrations (IMACs). The IMACs were issued in 2010 and 2011, however NCDENR has not established a 02L standard for these constituents as described in 15A NCAC 02L.0202(c). For this reason, IMACs are noted in this report for reference only. Analyte CAS RN Fraction Result Unit 15A NCAC 02L STANDARD IMAC* Cadmium Chromium Chromium Cobalt Cobalt Copper Copper Iron Iron Lead Lead Manganese Manganese 7440-43-9 7440-47-3 7440-47-3 7440-48-4 7440-48-4 7440-50-8 7440-50-8 7439-89-6 7439-89-6 7439-92-1 7439-92-1 7439-96-5 7439-96-5 T D T D T D T D T D T D T ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l 2 10 10 NS NS 1000 1000 300 300 15 15 50 50 NS NS NS 1 1 NS NS NS NS NS NS NS NS 0.08 U 5.5 4.1 0.96 1.1 1.5 J+2.1 J+50 U 34 J 0.1 UJ 0.13 5 U 26 0.08 U 4.4 30.1 0.5 U 0.27 J 0.41 J+1.6 50 U 150 0.1 UJ 0.086 J 4.1 J 7.8 0.026 J 0.19 J+0.96 0.25 J 0.3 J 0.28 J+0.36 J 50 U 93 0.1 UJ 0.17 190 180 0.08 U 0.86 J+2.2 J+0.5 U 0.29 J 1.2 J+2.5 J+77 490 0.14 J+0.28 350 370 0.08 U 2 J+2.7 0.18 J 0.3 J 4.5 J+0.71 J+50 U 97 0.051 J+0.14 280 430 0.086 0.78 J+0.99 J+0.5 UJ 29 2.2 J+0.97 J+39 J 110 J 0.1 UJ 0.44 J+1600 1500 0.08 U 1.5 J+3.8 0.24 J 0.26 J 1.7 J+3.3 J+50 U 150 0.062 J+0.16 390 410 0.08 U 0.2 J+3.3 1.1 1 0.25 J 0.51 J 63 140 0.1 U 0.058 J 1000 1000 1 U 1 U 1 U 1 U 1 U 1 U 8.46 57 138 1 U 1 U 31 32 0.08 U 0.22 J 0.26 J+0.22 J 0.25 J 0.27 J+0.88 J+50 U 110 0.1 U 0.057 J+300 280 0.08 U 0.5 U 1.5 0.32 J 0.6 1 U 0.54 J+1190 1910 0.1 U 0.22 J+2000 2200 0.08 U 1.7 J+2.3 0.5 U 0.2 J 0.26 J+0.91 J+50 U 377 0.1 UJ 0.88 120 110 0.08 U 0.37 J+3.3 J+0.52 0.84 1 UJ 2.6 J+380 1200 0.1 UJ 0.53 J+570 580 0.08 U 0.87 J+5 0.5 U 0.34 J 2.1 J+1.2 J+50 U 380 0.1 U 0.21 15 25 0.08 U 0.21 J+0.57 J+0.5 U 0.5 U 1 U 1 U 32500 36400 0.1 U 0.1 U 580 580 0.08 U 0.46 J 0.48 J+1.2 1.2 1 U 0.44 J+1300 1400 0.1 U 0.17 J+1300 1200 Page 2 of 6 Table 10-. $VK%DVLQGroundwater Sample Results Sample Name Sample ID Sample Date AB-10D 92256033005 6/24/2015 AB-25BR 92256382003 6/26/2015 AB-25D 92256382001 6/26/2015 AB-30BR 92256033001 6/24/2015 AB-30D 92256033004 6/24/2015 AB-30S 92256589001 6/29/2015 AB-35BR 92256210001 6/25/2015 AB-5D 92255375001 6/18/2015 MW-23BR 2015017088 6/1/2015 MW-23D 92256821003 6/30/2015 MW-308BR 2015019703 6/15/2015 MW-310BR 2015020015 6/16/2015 MW-311BR 92256589004 6/29/2015 MW-314BR 92256210003 6/25/2015 OW-308D 92256210002 6/25/2015 OW-310D 92255804002 6/23/2015 General Notes: ug/l - micrograms per liter NA - Not analyzed or not reported by analytical laboratory T - Total D - Dissolved N - Fraction not applicable Comparison Criteria: Qualifier Notes: U -- Not detected above the reporting detection limit. J -- Estimated Concentration J+ -- Estimated concentration, biased high. J- --Estimated concentration, biased low. NS - No applicable standard for this parameter shading + bold - indicates exceedance of NC 2L or IMAC Criteria. North Carolina Department of Environment and Natural Resources Division of Water Resources 02L Groundwater Quality Standards and Interim Maximum Allowable Concentrations (IMACs). April 2013 *NOTE: The IMAC value is shown where there is no applicable 02L standard. Appendix #1 of 15A NCAC Subchapter 02L Classifications and Water Quality Standards Applicable to the Groundwaters of North Carolina , lists Interim Maximum Allowable Concentrations (IMACs). The IMACs were issued in 2010 and 2011, however NCDENR has not established a 02L standard for these constituents as described in 15A NCAC 02L.0202(c). For this reason, IMACs are noted in this report for reference only. Analyte CAS RN Fraction Result Unit 15A NCAC 02L STANDARD IMAC* Mercury Mercury Molybdenum Molybdenum Nickel Nickel Selenium Selenium Strontium Strontium Thallium Thallium Titanium 7439-97-6 7439-97-6 7439-98-7 7439-98-7 7440-02-0 7440-02-0 7782-49-2 7782-49-2 7440-24-6 7440-24-6 7440-28-0 7440-28-0 7440-32-6 D T D T D T D T D T D T D ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l 1 1 NS NS 100 100 20 20 NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS 0.2 0.2 NS 0.2 U 0.2 U 2.4 1.6 1.8 J+1.6 J+0.38 J 0.22 J 730 2900 0.1 U 0.1 U NA 0.2 U 0.2 U 7.4 8.3 1.2 J+15.1 0.67 0.64 380 410 0.1 U 0.1 U NA 0.2 U 0.2 U 12.6 13 2.3 2.9 0.5 U 0.5 U 160 180 0.1 U 0.023 J NA 0.2 U 0.2 U 2.3 2.4 1.4 J+2.5 J+0.5 U 0.5 U 680 740 0.1 U 0.1 U NA 0.2 U 0.2 U 2.8 2.5 1.5 J+1.9 J+0.28 J 0.5 U 340 400 0.1 U 0.1 U NA 0.2 U 0.2 U 0.5 U 0.5 U 0.38 J+8.6 J+0.5 U 0.5 U 150 150 0.1 U 0.02 J NA 0.2 U 0.2 U 20 21.4 1.1 J+1.1 J+0.32 J 0.67 550 650 0.1 U 0.1 U NA 0.1 J 0.2 U 3.6 3.5 3 J+4.2 0.5 U 0.5 U 390 380 0.018 J+0.024 J NA 0.05 U 0.05 U 2.51 2.52 1 U 1 U 1 U 1 U 1930 1940 0.2 U 0.55 NA 0.2 U 0.2 U 0.57 0.41 J 0.47 J 0.49 J+0.5 U 0.5 U 890 740 0.1 U 0.1 U NA 0.2 U 0.2 UJ 7.6 8.1 0.98 J+1.7 J+0.5 U 0.5 U 1200 1300 0.1 U 0.1 U NA 0.092 J+0.082 J+1.8 1.9 0.35 J+0.88 J+0.5 U 0.21 J 190 200 0.1 UJ 0.1 UJ NA 0.2 U 0.2 U 5 5 2.9 J+4 J+0.5 U 0.5 U 920 980 0.1 U 0.016 J NA 0.23 0.2 U 0.72 J+0.91 1.2 J+3.4 J+0.5 U 0.5 U 160 160 0.1 U 0.016 J NA 0.2 U 0.2 U 2.1 2.2 0.43 J+0.5 UJ 0.5 U 0.5 U 380 420 0.046 J 0.052 J NA 0.2 U 0.2 U 44.9 53.5 2.4 2.4 J+0.5 U 0.5 U 2500 2500 0.13 0.11 NA Page 3 of 6 Table 10-. $VK%DVLQ Groundwater Sample Results Sample Name Sample ID Sample Date AB-10D 92256033005 6/24/2015 AB-25BR 92256382003 6/26/2015 AB-25D 92256382001 6/26/2015 AB-30BR 92256033001 6/24/2015 AB-30D 92256033004 6/24/2015 AB-30S 92256589001 6/29/2015 AB-35BR 92256210001 6/25/2015 AB-5D 92255375001 6/18/2015 MW-23BR 2015017088 6/1/2015 MW-23D 92256821003 6/30/2015 MW-308BR 2015019703 6/15/2015 MW-310BR 2015020015 6/16/2015 MW-311BR 92256589004 6/29/2015 MW-314BR 92256210003 6/25/2015 OW-308D 92256210002 6/25/2015 OW-310D 92255804002 6/23/2015 General Notes: ug/l - micrograms per liter NA - Not analyzed or not reported by analytical laboratory T - Total D - Dissolved N - Fraction not applicable Comparison Criteria: Qualifier Notes: U -- Not detected above the reporting detection limit. J -- Estimated Concentration J+ -- Estimated concentration, biased high. J- --Estimated concentration, biased low. NS - No applicable standard for this parameter shading + bold - indicates exceedance of NC 2L or IMAC Criteria. North Carolina Department of Environment and Natural Resources Division of Water Resources 02L Groundwater Quality Standards and Interim Maximum Allowable Concentrations (IMACs). April 2013 *NOTE: The IMAC value is shown where there is no applicable 02L standard. Appendix #1 of 15A NCAC Subchapter 02L Classifications and Water Quality Standards Applicable to the Groundwaters of North Carolina , lists Interim Maximum Allowable Concentrations (IMACs). The IMACs were issued in 2010 and 2011, however NCDENR has not established a 02L standard for these constituents as described in 15A NCAC 02L.0202(c). For this reason, IMACs are noted in this report for reference only. Analyte CAS RN Fraction Result Unit 15A NCAC 02L STANDARD IMAC* Titanium Vanadium Vanadium Zinc Zinc Alkalinity, HCO3 Alkalinity, CO3 Alkalinity, lab Calcium Calcium Chloride Chlorine Magnesium 7440-32-6 7440-62-2 7440-62-2 7440-66-6 7440-66-6 ALK-HCO3 ALK-CO3 ALK-LAB 7440-70-2 7440-70-2 16887-00-6 7782-50-5 7439-95-4 T D T D T N N N D T N T D ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l NS NS NS 1000 1000 NS NS NS NS NS 250000 NS NS NS 0.3 0.3 NS NS NS NS NS NS NS NS NS NS NA 2.9 1.5 10 UJ 10 UJ 226000 10000 236000 NA 60800 J-24900 NA NA NA 5.1 5.5 10 U 10 U 55900 11500 67400 NA 33200 22900 NA NA NA 0.56 J 0.69 J 10 U 3.6 J 70800 5000 U 70800 NA 29300 19800 NA NA NA 1 U 0.91 J 10 UJ 12 J+133000 5000 U 133000 NA 69700 20800 NA NA NA 0.96 J 0.86 J 3 J+4 J+90900 5000 U 90900 J-NA 52300 22100 NA NA NA 1 UJ 1 U 15 J+13 J+6200 5000 U 6200 NA 8580 10200 NA NA NA 0.99 J 1.8 4.4 J 9.6 J+187000 5000 U 187000 NA 84300 18800 NA NA NA 1 U 0.77 J 3.8 J 5.6 J+131000 5000 U 131000 NA 34900 J-15500 NA NA NA 1.15 1.38 14 7 220000 10000 U 220000 NA 53700 3300 NA NA NA 1 U 1 U 31 27 205000 5000 U 205000 NA 61100 8000 J+NA NA NA 1 U 0.84 J 9.8 J+6.8 J+170000 10000 U 170000 NA 169000 11600 NA NA NA 2.1 2.5 10 U 5.7 J 110000 10000 U 110000 NA 34700 11600 NA NA NA 0.38 J+0.89 J 3.8 J+15 J+154000 5000 U 154000 NA 53400 22000 NA NA NA 0.65 J 1.3 10 U 5.5 J+56700 5000 U 56700 NA 47400 30500 NA NA NA 1 U 1 U 10 U 10 U 54500 5000 U 54500 NA 20000 9700 NA NA NA 0.95 J 1.2 10 U 10 U 301000 5000 U 301000 NA 98500 16900 NA NA Page 4 of 6 Table 10-. $VK%DVLQ Groundwater Sample Results Sample Name Sample ID Sample Date AB-10D 92256033005 6/24/2015 AB-25BR 92256382003 6/26/2015 AB-25D 92256382001 6/26/2015 AB-30BR 92256033001 6/24/2015 AB-30D 92256033004 6/24/2015 AB-30S 92256589001 6/29/2015 AB-35BR 92256210001 6/25/2015 AB-5D 92255375001 6/18/2015 MW-23BR 2015017088 6/1/2015 MW-23D 92256821003 6/30/2015 MW-308BR 2015019703 6/15/2015 MW-310BR 2015020015 6/16/2015 MW-311BR 92256589004 6/29/2015 MW-314BR 92256210003 6/25/2015 OW-308D 92256210002 6/25/2015 OW-310D 92255804002 6/23/2015 General Notes: ug/l - micrograms per liter NA - Not analyzed or not reported by analytical laboratory T - Total D - Dissolved N - Fraction not applicable Comparison Criteria: Qualifier Notes: U -- Not detected above the reporting detection limit. J -- Estimated Concentration J+ -- Estimated concentration, biased high. J- --Estimated concentration, biased low. NS - No applicable standard for this parameter shading + bold - indicates exceedance of NC 2L or IMAC Criteria. North Carolina Department of Environment and Natural Resources Division of Water Resources 02L Groundwater Quality Standards and Interim Maximum Allowable Concentrations (IMACs). April 2013 *NOTE: The IMAC value is shown where there is no applicable 02L standard. Appendix #1 of 15A NCAC Subchapter 02L Classifications and Water Quality Standards Applicable to the Groundwaters of North Carolina , lists Interim Maximum Allowable Concentrations (IMACs). The IMACs were issued in 2010 and 2011, however NCDENR has not established a 02L standard for these constituents as described in 15A NCAC 02L.0202(c). For this reason, IMACs are noted in this report for reference only. Analyte CAS RN Fraction Result Unit 15A NCAC 02L STANDARD IMAC* Magnesium Methane Nitrate Nitrite as N Nitrogen, NO2 plus NO3 Potassium Potassium Sodium Sodium Sulfate Sulfide pH (field)Total Organic Carbon 7439-95-4 74-82-8 14797-55-8 14797-65-0 NO2-NO3 7440-09-7 7440-09-7 7440-23-5 7440-23-5 14808-79-8 18496-25-8 PH TOC T N N N N D T D T N N N N ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l Std. Units ug/l NS NS 10000 1000 NS NS NS NS NS 250000 NS 8.5 NS NS NS NS NS NS NS NS NS NS NS NS NS NS 10900 31.5 J+NA NA 13 J+NA 68800 J-NA 42000 33700 100 U NA 28400 6090 8.6 J+NA NA 20 U NA 5000 U NA 43700 99000 100 U 9.12 1200 10500 4.2 J+NA NA 12 J NA 5000 U NA 32300 83000 100 U 7.09 1000 U 10900 34.5 J+NA NA 20 UJ NA 5000 U NA 14200 96700 100 U NA 1000 U 7830 23.5 J+NA NA 13 J+NA 5000 U NA 13800 71500 100 U NA 1000 U 5360 15.8 J+NA NA 20 UJ NA 5000 U NA 29400 81500 100 U 4.92 650 J 14700 20.2 J+NA NA 17 J+NA 13500 NA 34400 129000 100 U 7.57 12900 7180 19.1 J+NA NA 20 U NA 13900 NA 28400 45200 100 U NA 1000 U 18900 10 UJ NA 10 U NA NA 654 NA 13200 12000 100 U 7.45 148 13600 1.8 J+NA NA 20 UJ NA 5000 U NA 7300 29800 100 U 6.89 520 J 28000 27 NA NA 20 U NA 5000 U NA 20100 323000 200 U 7.05 610 J 6510 10 U NA NA 20 U NA 5000 U NA 21200 14100 1000 U 8.16 800 J 11200 8.5 J+NA NA 14 J+NA 5910 NA 23800 53000 100 U 7.05 27400 13400 2.5 J+NA NA 20 U NA 5000 U NA 11400 95800 100 U 7.39 1000 U 6920 40.9 J+NA NA 21 J+NA 11100 NA 18200 115000 100 U 6.2 1300 13100 1230 J NA NA 20 U NA 7620 NA 18100 21600 100 U 7.44 1000 U Page 5 of 6 Table 10-. $VK%DVLQ Groundwater Sample Results Sample Name Sample ID Sample Date AB-10D 92256033005 6/24/2015 AB-25BR 92256382003 6/26/2015 AB-25D 92256382001 6/26/2015 AB-30BR 92256033001 6/24/2015 AB-30D 92256033004 6/24/2015 AB-30S 92256589001 6/29/2015 AB-35BR 92256210001 6/25/2015 AB-5D 92255375001 6/18/2015 MW-23BR 2015017088 6/1/2015 MW-23D 92256821003 6/30/2015 MW-308BR 2015019703 6/15/2015 MW-310BR 2015020015 6/16/2015 MW-311BR 92256589004 6/29/2015 MW-314BR 92256210003 6/25/2015 OW-308D 92256210002 6/25/2015 OW-310D 92255804002 6/23/2015 General Notes: ug/l - micrograms per liter NA - Not analyzed or not reported by analytical laboratory T - Total D - Dissolved N - Fraction not applicable Comparison Criteria: Qualifier Notes: U -- Not detected above the reporting detection limit. J -- Estimated Concentration J+ -- Estimated concentration, biased high. J- --Estimated concentration, biased low. NS - No applicable standard for this parameter shading + bold - indicates exceedance of NC 2L or IMAC Criteria. North Carolina Department of Environment and Natural Resources Division of Water Resources 02L Groundwater Quality Standards and Interim Maximum Allowable Concentrations (IMACs). April 2013 *NOTE: The IMAC value is shown where there is no applicable 02L standard. Appendix #1 of 15A NCAC Subchapter 02L Classifications and Water Quality Standards Applicable to the Groundwaters of North Carolina , lists Interim Maximum Allowable Concentrations (IMACs). The IMACs were issued in 2010 and 2011, however NCDENR has not established a 02L standard for these constituents as described in 15A NCAC 02L.0202(c). For this reason, IMACs are noted in this report for reference only. Analyte CAS RN Fraction Result Unit 15A NCAC 02L STANDARD IMAC* Total Dissolved Solids Total Suspended Solids TDS TSS N N ug/l ug/l 500000 NS NS NS 272000 NA 296000 2500 U 258000 5000 327000 12100 249000 2500 U 183000 2500 U 410000 13300 247000 5000 270000 5000 U 252000 2500 U 844000 19700 183000 36700 318000 55300 261000 12600 264000 9400 368000 3100 Page 6 of 6 Table 10-. %DFNJURXQG Groundwater Sample Results Aluminum Aluminum Antimony Antimony Arsenic Arsenic Barium Barium Beryllium Beryllium Boron Boron Cadmium 7429-90-5 7429-90-5 7440-36-0 7440-36-0 7440-38-2 7440-38-2 7440-39-3 7440-39-3 7440-41-7 7440-41-7 7440-42-8 7440-42-8 7440-43-9 D T D T D T D T D T D T D ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l NS NS NS NS 10 10 700 700 NS NS 700 700 2 NS NS 1 1 NS NS NS NS 4 4 NS NS NS Sample Name Sample ID Sample Date BG-5D 92255826002 6/23/2015 100 U 60 J 0.5 U 0.5 U 0.17 J+0.5 U 24 29 0.15 J 0.2 U 50 U 50 U 0.032 J+ BG-5S 92256033003 6/24/2015 100 U 590 0.5 U 0.5 U 0.5 U 0.28 J 10 21 0.2 U 0.087 J 50 U 50 U 0.08 U MW-23BR 2015017088 6/1/2015 75 8 1.16 1.21 6.29 6.36 132 136 1 U 1 U 50 U 50 U 1 U General Notes: ug/l - micrograms per liter NA - Not analyzed or not reported by analytical laboratory T - Total D - Dissolved N - Fraction not applicable Comparison Criteria: Qualifier Notes: U -- Not detected above the reporting detection limit. J -- Estimated Concentration J+ -- Estimated concentration, biased high. J- --Estimated concentration, biased low. NS - No applicable standard for this parameter shading + bold - indicates exceedance of NC 2L or IMAC Criteria. North Carolina Department of Environment and Natural Resources Division of Water Resources 02L Groundwater Quality Standards and Interim Maximum Allowable Concentrations (IMACs). April 2013 *NOTE: The IMAC value is shown where there is no applicable 02L standard. Appendix #1 of 15A NCAC Subchapter 02L Classifications and Water Quality Standards Applicable to the Groundwaters of North Carolina , lists Interim Maximum Allowable Concentrations (IMACs). The IMACs were issued in 2010 and 2011, however NCDENR has not established a 02L standard for these constituents as described in 15A NCAC 02L.0202(c). For this reason, IMACs are noted in this report for reference only. Analyte CAS RN Fraction Result Unit 15A NCAC 02L STANDARD IMAC* Page 1 of 5 Table 10-. %DFNJURXQG Groundwater Sample Results Sample Name Sample ID Sample Date BG-5D 92255826002 6/23/2015 BG-5S 92256033003 6/24/2015 MW-23BR 2015017088 6/1/2015 General Notes: ug/l - micrograms per liter NA - Not analyzed or not reported by analytical laboratory T - Total D - Dissolved N - Fraction not applicable Comparison Criteria: Qualifier Notes: U -- Not detected above the reporting detection limit. J -- Estimated Concentration J+ -- Estimated concentration, biased high. J- --Estimated concentration, biased low. NS - No applicable standard for this parameter shading + bold - indicates exceedance of NC 2L or IMAC Criteria. North Carolina Department of Environment and Natural Resources Division of Water Resources 02L Groundwater Quality Standards and Interim Maximum Allowable Concentrations (IMACs). April 2013 *NOTE: The IMAC value is shown where there is no applicable 02L standard. Appendix #1 of 15A NCAC Subchapter 02L Classifications and Water Quality Standards Applicable to the Groundwaters of North Carolina , lists Interim Maximum Allowable Concentrations (IMACs). The IMACs were issued in 2010 and 2011, however NCDENR has not established a 02L standard for these constituents as described in 15A NCAC 02L.0202(c). For this reason, IMACs are noted in this report for reference only. Analyte CAS RN Fraction Result Unit 15A NCAC 02L STANDARD IMAC* Cadmium Chromium Chromium Cobalt Cobalt Copper Copper Iron Iron Lead Lead Manganese Manganese 7440-43-9 7440-47-3 7440-47-3 7440-48-4 7440-48-4 7440-50-8 7440-50-8 7439-89-6 7439-89-6 7439-92-1 7439-92-1 7439-96-5 7439-96-5 T D T D T D T D T D T D T ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l 2 10 10 NS NS 1000 1000 300 300 15 15 50 50 NS NS NS 1 1 NS NS NS NS NS NS NS NS 0.08 U 0.28 J+0.38 J+0.91 1 0.36 J+1 U 150 240 0.1 U 0.078 J 920 910 0.08 U 1.2 J+2.6 0.5 U 2.1 0.28 J+2 J+50 U 890 0.1 UJ 1.7 21 110 1 U 1 U 1 U 1 U 1 U 1 U 8.46 57 138 1 U 1 U 31 32 Page 2 of 5 Table 10-. %DFNJURXQGGroundwater Sample Results Sample Name Sample ID Sample Date BG-5D 92255826002 6/23/2015 BG-5S 92256033003 6/24/2015 MW-23BR 2015017088 6/1/2015 General Notes: ug/l - micrograms per liter NA - Not analyzed or not reported by analytical laboratory T - Total D - Dissolved N - Fraction not applicable Comparison Criteria: Qualifier Notes: U -- Not detected above the reporting detection limit. J -- Estimated Concentration J+ -- Estimated concentration, biased high. J- --Estimated concentration, biased low. NS - No applicable standard for this parameter shading + bold - indicates exceedance of NC 2L or IMAC Criteria. North Carolina Department of Environment and Natural Resources Division of Water Resources 02L Groundwater Quality Standards and Interim Maximum Allowable Concentrations (IMACs). April 2013 *NOTE: The IMAC value is shown where there is no applicable 02L standard. Appendix #1 of 15A NCAC Subchapter 02L Classifications and Water Quality Standards Applicable to the Groundwaters of North Carolina , lists Interim Maximum Allowable Concentrations (IMACs). The IMACs were issued in 2010 and 2011, however NCDENR has not established a 02L standard for these constituents as described in 15A NCAC 02L.0202(c). For this reason, IMACs are noted in this report for reference only. Analyte CAS RN Fraction Result Unit 15A NCAC 02L STANDARD IMAC* Mercury Mercury Molybdenum Molybdenum Nickel Nickel Selenium Selenium Strontium Strontium Thallium Thallium Vanadium 7439-97-6 7439-97-6 7439-98-7 7439-98-7 7440-02-0 7440-02-0 7782-49-2 7782-49-2 7440-24-6 7440-24-6 7440-28-0 7440-28-0 7440-62-2 D T D T D T D T D T D T D ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l 1 1 NS NS 100 100 20 20 NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS 0.2 0.2 0.3 0.2 U 0.2 U 1.2 1.2 2.3 J+0.52 J+0.5 U 0.5 U 250 300 0.1 U 0.1 U 1 U 0.2 U 0.2 U 0.5 U 0.11 J 0.8 J+2.4 J+0.5 U 0.5 U 200 220 0.1 U 0.019 J 1 U 0.05 U 0.05 U 2.51 2.52 1 U 1 U 1 U 1 U 1930 1940 0.2 U 0.55 1.15 Page 3 of 5 Table 10-. %DFNJURXQGGroundwater Sample Results Sample Name Sample ID Sample Date BG-5D 92255826002 6/23/2015 BG-5S 92256033003 6/24/2015 MW-23BR 2015017088 6/1/2015 General Notes: ug/l - micrograms per liter NA - Not analyzed or not reported by analytical laboratory T - Total D - Dissolved N - Fraction not applicable Comparison Criteria: Qualifier Notes: U -- Not detected above the reporting detection limit. J -- Estimated Concentration J+ -- Estimated concentration, biased high. J- --Estimated concentration, biased low. NS - No applicable standard for this parameter shading + bold - indicates exceedance of NC 2L or IMAC Criteria. North Carolina Department of Environment and Natural Resources Division of Water Resources 02L Groundwater Quality Standards and Interim Maximum Allowable Concentrations (IMACs). April 2013 *NOTE: The IMAC value is shown where there is no applicable 02L standard. Appendix #1 of 15A NCAC Subchapter 02L Classifications and Water Quality Standards Applicable to the Groundwaters of North Carolina , lists Interim Maximum Allowable Concentrations (IMACs). The IMACs were issued in 2010 and 2011, however NCDENR has not established a 02L standard for these constituents as described in 15A NCAC 02L.0202(c). For this reason, IMACs are noted in this report for reference only. Analyte CAS RN Fraction Result Unit 15A NCAC 02L STANDARD IMAC* Vanadium Zinc Zinc Alkalinity, HCO3 Alkalinity, CO3 Alkalinity, lab Calcium Chloride Magnesium Methane Nitrite as N Nitrogen, NO2 plus NO3 Potassium 7440-62-2 7440-66-6 7440-66-6 ALK-HCO3 ALK-CO3 ALK-LAB 7440-70-2 16887-00-6 7439-95-4 74-82-8 14797-65-0 NO2-NO3 7440-09-7 T D T N N N T N T N N N T ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l NS 1000 1000 NS NS NS NS 250000 NS NS 1000 NS NS 0.3 NS NS NS NS NS NS NS NS NS NS NS NS 1 U 10 U 10 U 133000 5000 U 133000 32400 5700 17400 5.4 J+NA 26 J+3170 J 2.6 10 UJ 5.1 J+77600 5000 U 77600 17100 6900 11500 3.6 J+NA 400 J+5000 U 1.38 14 7 220000 10000 U 220000 53700 3300 18900 10 UJ 10 U NA 654 Page 4 of 5 Table 10-. %DFNJURXQGGroundwater Sample Results Sample Name Sample ID Sample Date BG-5D 92255826002 6/23/2015 BG-5S 92256033003 6/24/2015 MW-23BR 2015017088 6/1/2015 General Notes: ug/l - micrograms per liter NA - Not analyzed or not reported by analytical laboratory T - Total D - Dissolved N - Fraction not applicable Comparison Criteria: Qualifier Notes: U -- Not detected above the reporting detection limit. J -- Estimated Concentration J+ -- Estimated concentration, biased high. J- --Estimated concentration, biased low. NS - No applicable standard for this parameter shading + bold - indicates exceedance of NC 2L or IMAC Criteria. North Carolina Department of Environment and Natural Resources Division of Water Resources 02L Groundwater Quality Standards and Interim Maximum Allowable Concentrations (IMACs). April 2013 *NOTE: The IMAC value is shown where there is no applicable 02L standard. Appendix #1 of 15A NCAC Subchapter 02L Classifications and Water Quality Standards Applicable to the Groundwaters of North Carolina , lists Interim Maximum Allowable Concentrations (IMACs). The IMACs were issued in 2010 and 2011, however NCDENR has not established a 02L standard for these constituents as described in 15A NCAC 02L.0202(c). For this reason, IMACs are noted in this report for reference only. Analyte CAS RN Fraction Result Unit 15A NCAC 02L STANDARD IMAC* Sodium Sulfate Sulfide pH (field)Total Organic Carbon Total Dissolved Solids Total Suspended Solids 7440-23-5 14808-79-8 18496-25-8 PH TOC TDS TSS T N N N N N N ug/l ug/l ug/l Std. Units ug/l ug/l ug/l NS 250000 NS 8.5 NS 500000 NS NS NS NS NS NS NS NS 15700 39400 100 U 7.06 620 J 214000 2900 16000 41300 100 U NA 570 J 175000 NA 13200 12000 100 U 7.45 148 270000 5000 U Page 5 of 5 Table 10-11 Groundwater Sample Results Aluminum Aluminum Antimony Antimony Arsenic Arsenic Barium Barium Beryllium Beryllium Boron Boron Cadmium 7429-90-5 7429-90-5 7440-36-0 7440-36-0 7440-38-2 7440-38-2 7440-39-3 7440-39-3 7440-41-7 7440-41-7 7440-42-8 7440-42-8 7440-43-9 D T D T D T D T D T D T D ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l NS NS NS NS 10 10 700 700 NS NS 700 700 2 NS NS 1 1 NS NS NS NS 4 4 NS NS NS Sample Name Sample ID Sample Date AB-10D 92256033005 6/24/2015 74 J 290 8.8 1.9 0.66 0.68 37 290 0.2 U 0.2 U 250 290 0.08 U AB-25BR 92256382003 6/26/2015 100 U 100 U 1 1 2.4 2.6 19 21 0.2 U 0.2 U 190 180 0.08 U AB-25D 92256382001 6/26/2015 52 J 170 1.6 1.7 0.31 J 0.45 J 16 20 0.2 U 0.2 U 820 840 0.08 U AB-30BR 92256033001 6/24/2015 100 U 280 0.5 U 0.5 U 0.82 0.83 82 99 0.2 U 0.2 U 300 320 0.08 U AB-30D 92256033004 6/24/2015 100 U 94 J 2 1.5 0.46 J 0.41 J 82 110 0.2 U 0.2 U 240 250 0.08 U AB-30S 92256589001 6/29/2015 110 130 J 0.5 UJ 2.6 J 0.5 UJ 0.5 U 120 130 0.2 UJ 0.45 300 290 0.08 UJ AB-35BR 92256210001 6/25/2015 100 U 190 0.51 0.48 J 12 11.7 210 240 0.2 U 0.2 U 270 270 0.08 U AB-5D 92255375001 6/18/2015 100 U 62 J 0.5 U 0.5 U 8.8 8.5 89 89 0.2 U 0.2 U 560 500 0.08 U AS-10D 2015018298 6/8/2015 578 730 2.7 2.9 8.5 8.9 30 32 0.2 U 0.2 U 50 U 29 J 0.08 U AS-12S 2015018534 6/9/2015 13.1 J+554 J+0.24 J 0.23 J 0.48 J 0.52 33 37 0.2 U 0.2 U 1000 1000 0.2 AS-2D 2015020226 6/17/2015 100 U 760 0.5 U 0.16 J 0.24 J 0.29 J 120 130 0.2 U 0.096 J 150 160 0.08 U AS-4D 2015017831 6/5/2015 5.1 J 2990 0.5 U 0.5 U 1.5 1.8 86 97 0.2 U 0.18 J 730 810 0.08 U AS-6D 2015018297 6/8/2015 7.8 J 206 0.16 J 0.24 J 1.5 2 43 45 0.2 U 0.2 U 33 J 37 J 0.08 U AS-8BR 2015018536 6/9/2015 13.3 J+331 J+0.5 U 0.21 J 0.16 J 0.34 J 78 95 0.2 U 0.2 U 33 J 45 J 0.08 U AS-8D 2015017342 6/26/2015 7 J 1530 1 UJ 1 UJ 1.2 J 1.24 J 64 82 1 UJ 1 UJ 50 UJ 50 UJ 1 UJ BG-5D 92255826002 6/23/2015 100 U 60 J 0.5 U 0.5 U 0.17 J+0.5 U 24 29 0.15 J 0.2 U 50 U 50 U 0.032 J+ BG-5S 92256033003 6/24/2015 100 U 590 0.5 U 0.5 U 0.5 U 0.28 J 10 21 0.2 U 0.087 J 50 U 50 U 0.08 U GWA-10D 2015017624 6/26/2015 9 6940 1 U 1 U 1 U 1 U 55 136 1 U 1 U 172 298 1 U GWA-11D 2015017834 6/5/2015 3.3 J 425 J+0.5 U 0.5 U 0.2 J 0.25 J 60 64 0.2 U 0.2 U 50 U 50 U 0.08 U GWA-11S 2015018550 6/10/2015 6.5 J 53 0.5 U 0.18 J 0.14 J 0.18 J 24 25 0.2 U 0.2 U 100 110 0.039 J GWA-12D 2015017626 6/4/2015 298 5 U 1 U 1 U 2.54 3.71 23 17 1 U 1 U 50 U 50 U 1 U GWA-12S 2015017625 6/4/2015 21 190 1 U 1 U 1 U 1 U 53 55 1 U 1 U 50 U 50 U 1 U GWA-14D 92256821001 6/30/2015 100 U 90 J 0.5 U 0.5 U 0.36 J 0.38 J 75 78 0.2 U 0.2 U 250 260 0.08 U GWA-15D 92256821002 6/30/2015 74 J 660 0.17 J 0.5 U 0.14 J 0.18 J 61 67 0.2 U 0.2 U 79 86 0.08 U GWA-1D 2015019013 6/11/2015 4 J 413 0.24 J 0.31 J 1 1.2 51 62 0.2 U 0.2 U 50 U 50 U 0.08 U GWA-1S 2015020227 6/17/2015 100 U 920 0.37 J 0.5 UJ 0.5 U 0.18 J 6.2 12 0.2 U 0.094 J 50 U 50 U 0.08 U GWA-2D 2015018551 6/10/2015 5.8 J 90.9 0.55 2.2 1.1 1.3 40 56 0.2 U 0.2 U 50 U 50 U 0.08 U GWA-2S 2015019015 6/11/2015 3.4 J 806 0.5 U 0.5 U 0.5 U 0.14 J 18 26 0.2 U 0.078 J 50 U 50 U 0.08 U GWA-3D 2015017623 6/4/2015 9 350 1 U 1 U 1 U 1 U 9 13 1 U 1 U 50 U 50 U 1 U GWA-3S 2015017622 6/4/2015 17 236 1 U 1 U 1 U 1 U 45 49 1 U 1 U 50 U 50 U 1 U GWA-4D 92255804001 6/23/2015 100 U 430 0.23 J 0.49 J 0.39 J 0.37 J 20 26 0.1 J 0.2 U 240 250 0.032 J GWA-4S 92255411001 6/19/2015 100 U 380 0.5 U 0.5 U 0.18 J 0.2 J 27 32 0.2 U 0.2 U 200 J+190 0.08 U GWA-5BR 2015020017 6/16/2015 5.8 J 187 0.5 U 0.5 U 0.85 0.83 73 75 0.2 U 0.2 U 190 190 J+0.08 U GWA-6D 92256588001 6/29/2015 100 U 120 0.5 U 0.5 U 0.98 0.96 33 35 0.2 U 0.2 U 630 610 0.08 U GWA-6S 92256795001 6/30/2015 100 U 1300 2.5 U 2.5 U 2.4 J 2.2 J 200 210 1 U 1 U 620 610 0.4 U GWA-7D 2015020016 6/16/2015 9.1 J 117 0.5 U 0.5 U 0.5 U 0.13 J 23 24 0.2 U 0.2 U 50 U 50 UJ 0.08 U GWA-7S 92255428002 6/19/2015 420 600 0.5 U 0.23 J 0.5 U 0.5 U 25 28 4.7 3.7 38 J+50 U 0.46 GWA-8D 2015017833 6/5/2015 6.4 J 769 0.6 0.71 1.2 1.4 29 34 0.2 U 0.2 U 50 U 50 U 0.08 U GWA-8S 92255419002 6/19/2015 100 U 150 0.22 J 0.16 J 0.6 0.57 19 19 0.2 U 0.2 U 39 J+34 J 0.081 GWA-9D 2015019702 6/15/2015 10 U 1270 0.5 U 0.5 U 2.1 2.3 24 23 0.2 U 0.085 J 50 U 50 U 0.08 U GWA-9S 92255428001 6/19/2015 100 U 4300 0.19 J 0.22 J 0.5 U 0.63 5 U 42 0.077 J 0.67 50 U 50 U 0.08 U MW-10 92256207002 6/24/2015 NA NA NA NA NA NA NA NA NA NA NA NA NA MW-10 92256207003 6/25/2015 100 U 100 U 0.5 U 0.5 U 0.5 U 0.5 U 29 32 0.2 U 0.2 U 460 460 0.08 U MW-10D 92256029003 6/24/2015 100 U 100 U 0.5 U 0.5 U 0.5 U 0.5 U 40 45 0.2 U 0.2 U 440 460 0.08 U MW-11 92256589002 6/25/2015 100 U 160 0.5 U 0.5 U 0.5 U 0.14 J 63 72 0.42 0.5 240 230 0.034 J MW-11D 92256589003 6/29/2015 100 U 740 0.5 U 0.5 U 0.18 J 0.25 J 54 54 0.2 U 0.2 U 91 87 0.08 U MW-12 92255418001 6/20/2015 100 U 990 0.5 U 0.18 J 0.42 J 0.71 5.8 10 0.11 J 0.22 33 J+50 U 0.074 J MW-12D 92255419001 6/20/2015 100 U 960 0.5 U 0.5 U 0.44 J 0.44 J 20 29 0.2 U 0.11 J 50 U 50 U 0.052 J MW-20D 92256029002 6/24/2015 100 U 130 0.5 U 0.5 U 0.58 0.91 56 66 0.2 U 0.2 U 26 J 35 J 0.08 U MW-20S 92256029001 6/24/2015 100 U 100 U 0.5 U 0.5 U 0.58 0.63 12 13 0.2 U 0.2 U 50 U 50 U 0.08 U MW-21D 92255826001 6/23/2015 100 U 100 U 0.5 U 0.5 U 0.41 J+0.21 J 34 42 0.33 0.2 U 210 210 0.07 J MW-21S 92256033002 6/24/2015 100 U 100 U 0.3 J 0.29 J 16.9 16.8 33 38 0.2 U 0.2 U 180 190 0.03 J MW-22BR 92256200001 6/25/2015 100 U 87 J 0.5 U 0.16 J 0.39 J 0.41 J 26 31 0.2 U 0.2 U 640 670 0.08 U Analyte CAS RN Fraction Result Unit 15A NCAC 02L STANDARD IMAC* Page 1 of 12 Table 10-11 Groundwater Sample Results Aluminum Aluminum Antimony Antimony Arsenic Arsenic Barium Barium Beryllium Beryllium Boron Boron Cadmium 7429-90-5 7429-90-5 7440-36-0 7440-36-0 7440-38-2 7440-38-2 7440-39-3 7440-39-3 7440-41-7 7440-41-7 7440-42-8 7440-42-8 7440-43-9 D T D T D T D T D T D T D ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l NS NS NS NS 10 10 700 700 NS NS 700 700 2 NS NS 1 1 NS NS NS NS 4 4 NS NS NS Sample Name Sample ID Sample Date Analyte CAS RN Fraction Result Unit 15A NCAC 02L STANDARD IMAC* MW-22S 92256207001 6/25/2015 100 U 88 J 0.5 U 0.5 U 0.88 0.94 67 82 0.2 U 0.2 U 480 510 0.08 U MW-23BR 2015017088 6/1/2015 75 8 1.16 1.21 6.29 6.36 132 136 1 U 1 U 50 U 50 U 1 U MW-23D 92256821003 6/30/2015 100 U 180 0.5 U 0.5 U 0.33 J 0.27 J 94 80 0.2 U 0.2 U 50 U 50 U 0.08 U MW-301BR 2015019014 6/11/2015 5.9 J 202 0.5 U 0.16 J 0.84 0.9 33 35 0.2 U 0.2 U 50 U 50 U 0.08 U MW-303BR 2015019744 6/12/2015 4.7 J 938 0.16 J 0.25 J 6.4 8.6 69 94 0.2 U 0.2 UJ 50 U 29 J+0.08 U MW-303BR 92255785004 6/12/2015 NA NA NA NA NA NA NA NA NA NA NA NA NA MW-306BR 2015019745 6/12/2015 7.9 J 96.2 J-0.43 J 0.38 J 1.1 1 150 150 0.2 U 0.2 U 940 920 0.08 U MW-306BR 92255786001 6/12/2015 NA NA NA NA NA NA NA NA NA NA NA NA NA MW-308BR 2015019703 6/15/2015 9.7 J+483 0.22 J 0.24 J 1.7 1.8 69 76 0.2 U 0.2 U 260 J+260 0.08 U MW-310BR 2015020015 6/16/2015 5.7 J 659 0.32 J 0.34 J 1.1 1.3 56 57 0.2 U 0.2 U 31 J 35 J+0.08 U MW-311BR 92256589004 6/29/2015 100 U 910 0.22 J 0.3 J 0.35 J 0.32 J 94 110 0.2 U 0.2 U 700 690 0.08 U MW-314BR 92256210003 6/25/2015 100 U 350 0.53 0.47 J 0.36 J 0.3 J 19 24 0.2 U 0.2 U 510 500 0.08 U MW-315BR 92255424002 6/19/2015 100 U 790 0.29 J+0.21 J 0.16 J 0.19 J 58 71 0.2 U 0.2 U 50 U 50 U 0.08 U MW-317BR 2015017832 6/5/2015 520 649 1 2.1 0.63 0.71 46 58 0.2 U 0.2 U 50 U 44 J 0.08 U MW-318D 2015017341 6/2/2015 21 J 510 1 UJ 1 UJ 1 UJ 1 UJ 35 J 41 J 1 UJ 1 UJ 1250 1310 1 UJ MW-9 92256821004 6/24/2015 NA NA NA NA NA NA NA NA NA NA NA NA NA MW-9 92256821005 6/25/2015 NA NA NA NA NA NA NA NA NA NA NA NA NA MW-9 92256821006 6/30/2015 100 U 250 0.5 U 0.5 U 0.14 J 0.27 J 64 70 0.11 J 0.21 50 U 28 J 0.08 U MW-9D 92256029004 6/24/2015 100 U 2400 0.5 U 0.5 U 0.5 U 0.21 J 4 J 19 0.2 U 0.19 J 1000 1000 0.15 OW-308D 92256210002 6/25/2015 100 U 100 U 0.5 U 0.5 U 585 620 27 30 0.2 U 0.2 U 370 380 0.08 U OW-310D 92255804002 6/23/2015 100 U 170 0.5 U 0.5 UJ 731 809 350 380 0.27 0.2 U 980 1100 0.08 U General Notes: ug/l - micrograms per liter NA - Not analyzed or not reported by analytical laboratory T - Total D - Dissolved N - Fraction not applicable Comparison Criteria: Qualifier Notes: U -- Not detected above the reporting detection limit. J -- Estimated Concentration J+ -- Estimated concentration, biased high. J- --Estimated concentration, biased low. NS - No applicable standard for this parameter shading + bold - indicates exceedance of NC 2L or IMAC Criteria. North Carolina Department of Environment and Natural Resources Division of Water Resources 02L Groundwater Quality Standards and Interim Maximum Allowable Concentrations (IMACs). April 2013 *NOTE: The IMAC value is shown where there is no applicable 02L standard. Appendix #1 of 15A NCAC Subchapter 02L Classifications and Water Quality Standards Applicable to the Groundwaters of North Carolina , lists Interim Maximum Allowable Concentrations (IMACs). The IMACs were issued in 2010 and 2011, however NCDENR has not established a 02L standard for these constituents as described in 15A NCAC 02L.0202(c). For this reason, IMACs are noted in this report for reference only. Page 2 of 12 Table 10-11 Groundwater Sample Results Sample Name Sample ID Sample Date AB-10D 92256033005 6/24/2015 AB-25BR 92256382003 6/26/2015 AB-25D 92256382001 6/26/2015 AB-30BR 92256033001 6/24/2015 AB-30D 92256033004 6/24/2015 AB-30S 92256589001 6/29/2015 AB-35BR 92256210001 6/25/2015 AB-5D 92255375001 6/18/2015 AS-10D 2015018298 6/8/2015 AS-12S 2015018534 6/9/2015 AS-2D 2015020226 6/17/2015 AS-4D 2015017831 6/5/2015 AS-6D 2015018297 6/8/2015 AS-8BR 2015018536 6/9/2015 AS-8D 2015017342 6/26/2015 BG-5D 92255826002 6/23/2015 BG-5S 92256033003 6/24/2015 GWA-10D 2015017624 6/26/2015 GWA-11D 2015017834 6/5/2015 GWA-11S 2015018550 6/10/2015 GWA-12D 2015017626 6/4/2015 GWA-12S 2015017625 6/4/2015 GWA-14D 92256821001 6/30/2015 GWA-15D 92256821002 6/30/2015 GWA-1D 2015019013 6/11/2015 GWA-1S 2015020227 6/17/2015 GWA-2D 2015018551 6/10/2015 GWA-2S 2015019015 6/11/2015 GWA-3D 2015017623 6/4/2015 GWA-3S 2015017622 6/4/2015 GWA-4D 92255804001 6/23/2015 GWA-4S 92255411001 6/19/2015 GWA-5BR 2015020017 6/16/2015 GWA-6D 92256588001 6/29/2015 GWA-6S 92256795001 6/30/2015 GWA-7D 2015020016 6/16/2015 GWA-7S 92255428002 6/19/2015 GWA-8D 2015017833 6/5/2015 GWA-8S 92255419002 6/19/2015 GWA-9D 2015019702 6/15/2015 GWA-9S 92255428001 6/19/2015 MW-10 92256207002 6/24/2015 MW-10 92256207003 6/25/2015 MW-10D 92256029003 6/24/2015 MW-11 92256589002 6/25/2015 MW-11D 92256589003 6/29/2015 MW-12 92255418001 6/20/2015 MW-12D 92255419001 6/20/2015 MW-20D 92256029002 6/24/2015 MW-20S 92256029001 6/24/2015 MW-21D 92255826001 6/23/2015 MW-21S 92256033002 6/24/2015 MW-22BR 92256200001 6/25/2015 Analyte CAS RN Fraction Result Unit 15A NCAC 02L STANDARD IMAC* Cadmium Chromium Chromium Cobalt Cobalt Copper Copper Iron Iron Lead Lead Manganese Manganese 7440-43-9 7440-47-3 7440-47-3 7440-48-4 7440-48-4 7440-50-8 7440-50-8 7439-89-6 7439-89-6 7439-92-1 7439-92-1 7439-96-5 7439-96-5 T D T D T D T D T D T D T ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l 2 10 10 NS NS 1000 1000 300 300 15 15 50 50 NS NS NS 1 1 NS NS NS NS NS NS NS NS 0.08 U 5.5 4.1 0.96 1.1 1.5 J+2.1 J+50 U 34 J 0.1 UJ 0.13 5 U 26 0.08 U 4.4 30.1 0.5 U 0.27 J 0.41 J+1.6 50 U 150 0.1 UJ 0.086 J 4.1 J 7.8 0.026 J 0.19 J+0.96 0.25 J 0.3 J 0.28 J+0.36 J 50 U 93 0.1 UJ 0.17 190 180 0.08 U 0.86 J+2.2 J+0.5 U 0.29 J 1.2 J+2.5 J+77 490 0.14 J+0.28 350 370 0.08 U 2 J+2.7 0.18 J 0.3 J 4.5 J+0.71 J+50 U 97 0.051 J+0.14 280 430 0.086 0.78 J+0.99 J+0.5 UJ 29 2.2 J+0.97 J+39 J 110 J 0.1 UJ 0.44 J+1600 1500 0.08 U 1.5 J+3.8 0.24 J 0.26 J 1.7 J+3.3 J+50 U 150 0.062 J+0.16 390 410 0.08 U 0.2 J+3.3 1.1 1 0.25 J 0.51 J 63 140 0.1 U 0.058 J 1000 1000 0.08 U 2 J 2.4 0.5 U 0.5 U 0.76 J+1.2 J+50 U 35.6 J 0.077 J 0.1 U 5 U 5 U 0.19 0.22 J+1.1 J+2 2.2 0.4 J+1.1 J+82.6 928 0.1 U 0.5 J+420 430 0.041 J 0.58 1.4 1.6 2.1 0.76 J+1 UJ 1800 2900 0.1 U 0.54 1500 1500 0.08 U 0.2 J+3.3 2.4 4 1 UJ 3.6 J+158 4480 0.089 J 1.7 700 770 0.08 U 0.24 J 0.47 J 1.1 1.1 1 U 0.54 J+2880 3920 0.1 U 0.087 J 260 270 0.08 U 1.4 J+4.4 0.5 U 0.15 J 1 U 0.88 J 206 466 0.048 J+0.19 J+790 910 1 UJ 1 UJ 1.9 J 1 UJ 1 UJ 1 UJ 1 UJ 1160 2900 1 UJ 1 UJ 1100 1140 0.08 U 0.28 J+0.38 J+0.91 1 0.36 J+1 U 150 240 0.1 U 0.078 J 920 910 0.08 U 1.2 J+2.6 0.5 U 2.1 0.28 J+2 J+50 U 890 0.1 UJ 1.7 21 110 1 U 1 U 9.93 2.11 3.45 7.79 J+8.24 146 6040 1.04 9.42 453 509 0.08 U 0.28 J+1.1 J+1.2 1.4 0.29 J+0.57 J+1180 1700 0.1 U 0.26 730 810 0.046 J 7.7 15.6 2.9 3.3 0.28 J 0.44 J 134 227 0.1 U 0.11 1200 1200 1 U 1 U 2.87 1 U 1 U 3.32 3.9 J+386 54 1 U 1.74 60 49 1 U 1 U 1.01 1 U 1 U 1 UJ 1 U 10 U 185 1 U 1 U 102 150 0.08 U 0.28 J 0.27 J+0.2 J 0.23 J 0.28 J+1 UJ 50 U 140 0.1 U 0.1 U 290 300 0.08 U 0.38 J 1.2 J+0.14 J 0.24 J 11 0.76 J+26 J 840 0.1 U 0.33 J+260 270 0.08 U 0.73 1.6 J+0.5 U 0.3 J 1 U 1.1 J+136 719 0.1 U 0.29 J+600 680 0.08 U 2.2 J+13.8 2.4 3 0.76 J+3 J+50 U 1200 0.1 U 0.51 100 120 0.08 U 4.3 5.7 0.5 U 0.5 U 0.49 J 0.54 J 50 U 86.7 0.1 U 0.23 5 U 25 0.08 U 1.1 2.6 1.9 2.3 0.31 J+0.92 J 50 U 909 0.1 U 0.4 J+88 94 1 U 12.3 17.7 1 U 1.02 1.03 J+2.99 101 411 1 U 1.5 107 122 1 U 1 U 1 U 11.3 12.2 1 UJ 8.6 14 190 1 U 1 U 480 533 0.08 U 0.53 1.2 J+0.17 J 0.35 J 0.41 J 1.4 J+50 U 370 J+0.1 U 0.45 J+23 33 0.08 U 0.81 3.2 2.7 2.7 1 U 0.58 J 50 U 530 0.1 U 0.29 560 590 0.08 U 0.27 J+0.5 UJ 0.26 J 0.32 J 1 UJ 1 UJ 210 307 0.1 UJ 0.098 J+620 630 0.08 U 0.22 J 1.1 J+0.45 J 0.51 0.32 J 1 UJ 7400 7400 0.1 U 0.18 J+1300 1300 0.4 U 0.9 J 3.6 2.5 U 1.3 J 5 U 3.2 J 25300 21200 0.5 U 1.7 3900 3700 0.08 U 0.25 J+0.51 J+2.8 2.8 0.22 J+0.39 J+1390 1610 0.1 UJ 0.13 J+1100 1000 0.37 0.95 J+1.9 19.2 17.7 1 UJ 1.2 J+50 U 310 0.1 U 0.18 J+1000 950 0.027 J 0.9 J+3.2 0.14 J 0.26 J 5 J+1.7 J+50 U 413 0.46 0.81 1000 1200 0.08 U 0.46 J 0.95 8.6 9.7 0.37 J 0.42 J 50 U 190 0.1 U 0.068 J 2700 1700 0.08 U 0.25 J 2.9 0.51 1.2 1 U 2.1 J+1390 3290 0.1 U 0.67 J+590 640 0.036 J 0.27 J+3.5 1.5 9.3 1 UJ 4.5 J+50 U 5100 0.1 U 4.3 36 220 NA NA NA NA NA NA NA NA NA NA NA NA NA 0.08 U 3.6 6.6 0.19 J 0.28 J 1 U 1 U 50 U 50 U 0.1 U 0.1 U 5 U 13 0.08 U 0.28 J+0.27 J 0.59 0.57 1 U 0.43 J 130 170 0.1 U 0.048 J 990 1000 0.038 J 0.36 J+1.2 J+28.5 29.2 0.54 J+2 J+50 U 400 0.09 J+1.2 J+890 880 0.08 U 1.1 J+1.5 J+0.5 U 0.22 J 0.55 J+1.8 J+50 U 850 0.1 UJ 0.29 J+100 130 0.05 J 0.41 J+2.6 J+9.9 10.1 3.1 J+10.6 1900 3600 0.11 J+4.5 440 450 0.08 U 0.2 J+1.4 J+4.5 4.8 0.25 J+1.7 J+4800 6100 0.1 U 0.51 1300 1400 0.08 U 0.5 UJ 0.47 J 0.5 U 0.5 U 1 U 1 U 50 U 200 0.1 U 0.094 J 470 500 0.08 U 0.24 J+0.22 J 2.2 2.1 1 U 1 U 2500 2800 0.1 U 0.1 U 840 820 0.08 U 0.39 J+0.31 J+0.5 U 0.5 U 4.5 J+1.5 J+690 550 0.73 J+0.76 940 920 0.08 U 0.22 J+0.28 J+0.72 0.79 1 UJ 1 UJ 50 U 50 U 0.1 UJ 0.1 U 640 670 0.08 U 0.39 J+0.62 J+0.5 U 0.15 J 1 UJ 0.25 J+620 760 0.1 U 0.098 J+260 270 Page 3 of 12 Table 10-11 Groundwater Sample Results Sample Name Sample ID Sample Date Analyte CAS RN Fraction Result Unit 15A NCAC 02L STANDARD IMAC* MW-22S 92256207001 6/25/2015 MW-23BR 2015017088 6/1/2015 MW-23D 92256821003 6/30/2015 MW-301BR 2015019014 6/11/2015 MW-303BR 2015019744 6/12/2015 MW-303BR 92255785004 6/12/2015 MW-306BR 2015019745 6/12/2015 MW-306BR 92255786001 6/12/2015 MW-308BR 2015019703 6/15/2015 MW-310BR 2015020015 6/16/2015 MW-311BR 92256589004 6/29/2015 MW-314BR 92256210003 6/25/2015 MW-315BR 92255424002 6/19/2015 MW-317BR 2015017832 6/5/2015 MW-318D 2015017341 6/2/2015 MW-9 92256821004 6/24/2015 MW-9 92256821005 6/25/2015 MW-9 92256821006 6/30/2015 MW-9D 92256029004 6/24/2015 OW-308D 92256210002 6/25/2015 OW-310D 92255804002 6/23/2015 General Notes: ug/l - micrograms per liter NA - Not analyzed or not reported by analytical laboratory T - Total D - Dissolved N - Fraction not applicable Comparison Criteria: Qualifier Notes: U -- Not detected above the reporting detection limit. J -- Estimated Concentration J+ -- Estimated concentration, biased high. J- --Estimated concentration, biased low. NS - No applicable standard for this parameter shading + bold - indicates exceedance of NC 2L or IMAC Criteria. North Carolina Department of Environment and Natural Resources Division of Water Resources 02L Groundwater Quality Standards and Interim Maximum Allowable Concentrations (IMACs). April 2013 *NOTE: The IMAC value is shown where there is no applicable 02L standard. Appendix #1 of 15A NCAC Subchapter 02L Classifications and Water Quality Standards Applicable to the Groundwaters of North Carolina , lists Interim Maximum Allowable Concentrations (IMACs). The IMACs were issued in 2010 and 2011, however NCDENR has not established a 02L standard for these constituents as described in 15A NCAC 02L.0202(c). For this reason, IMACs are noted in this report for reference only. Cadmium Chromium Chromium Cobalt Cobalt Copper Copper Iron Iron Lead Lead Manganese Manganese 7440-43-9 7440-47-3 7440-47-3 7440-48-4 7440-48-4 7440-50-8 7440-50-8 7439-89-6 7439-89-6 7439-92-1 7439-92-1 7439-96-5 7439-96-5 T D T D T D T D T D T D T ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l 2 10 10 NS NS 1000 1000 300 300 15 15 50 50 NS NS NS 1 1 NS NS NS NS NS NS NS NS 0.08 U 0.62 1 0.27 J 0.37 J 1 U 1 U 14100 15600 0.1 U 0.094 J 850 950 1 U 1 U 1 U 1 U 1 U 1 U 8.46 57 138 1 U 1 U 31 32 0.08 U 0.22 J 0.26 J+0.22 J 0.25 J 0.27 J+0.88 J+50 U 110 0.1 U 0.057 J+300 280 0.08 U 4.4 1.2 J+0.19 J 0.26 J 1 U 0.4 J 146 383 J+0.1 U 0.14 J+400 410 0.08 U 0.27 J 6.4 0.18 J 0.95 1 U 3.2 J+2260 2760 0.1 U 1.2 510 500 NA NA NA NA NA NA NA NA NA NA NA NA NA 0.08 U 0.31 J 1.4 J+0.45 J 0.5 U 1 U 1 U 582 623 J 0.1 U 0.095 J 930 920 NA NA NA NA NA NA NA NA NA NA NA NA NA 0.08 U 0.5 U 1.5 0.32 J 0.6 1 U 0.54 J+1190 1910 0.1 U 0.22 J+2000 2200 0.08 U 1.7 J+2.3 0.5 U 0.2 J 0.26 J+0.91 J+50 U 377 0.1 UJ 0.88 120 110 0.08 U 0.37 J+3.3 J+0.52 0.84 1 UJ 2.6 J+380 1200 0.1 UJ 0.53 J+570 580 0.08 U 0.87 J+5 0.5 U 0.34 J 2.1 J+1.2 J+50 U 380 0.1 U 0.21 15 25 0.08 U 0.32 J+24.8 1.2 J+2.2 1 U 2.4 86 1300 0.1 U 0.81 1500 1800 0.08 U 8.4 11 0.5 U 0.5 U 4.8 J+1.6 J+50 U 128 0.77 0.15 10 U 8.7 1 UJ 1 UJ 2.8 J 12.9 J 13 J 1.38 J 9.7 J 588 1150 1 UJ 1 UJ 607 577 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 0.031 J 2.5 1.8 J+5.6 6.4 1 UJ 10.9 340 990 0.1 U 1.4 1600 1000 1.8 0.45 J+7.1 0.28 J 1.5 0.34 J 8.7 50 U 2600 0.1 U 1.6 540 600 0.08 U 0.21 J+0.57 J+0.5 U 0.5 U 1 U 1 U 32500 36400 0.1 U 0.1 U 580 580 0.08 U 0.46 J 0.48 J+1.2 1.2 1 U 0.44 J+1300 1400 0.1 U 0.17 J+1300 1200 Page 4 of 12 Table 10-11 Groundwater Sample Results Sample Name Sample ID Sample Date AB-10D 92256033005 6/24/2015 AB-25BR 92256382003 6/26/2015 AB-25D 92256382001 6/26/2015 AB-30BR 92256033001 6/24/2015 AB-30D 92256033004 6/24/2015 AB-30S 92256589001 6/29/2015 AB-35BR 92256210001 6/25/2015 AB-5D 92255375001 6/18/2015 AS-10D 2015018298 6/8/2015 AS-12S 2015018534 6/9/2015 AS-2D 2015020226 6/17/2015 AS-4D 2015017831 6/5/2015 AS-6D 2015018297 6/8/2015 AS-8BR 2015018536 6/9/2015 AS-8D 2015017342 6/26/2015 BG-5D 92255826002 6/23/2015 BG-5S 92256033003 6/24/2015 GWA-10D 2015017624 6/26/2015 GWA-11D 2015017834 6/5/2015 GWA-11S 2015018550 6/10/2015 GWA-12D 2015017626 6/4/2015 GWA-12S 2015017625 6/4/2015 GWA-14D 92256821001 6/30/2015 GWA-15D 92256821002 6/30/2015 GWA-1D 2015019013 6/11/2015 GWA-1S 2015020227 6/17/2015 GWA-2D 2015018551 6/10/2015 GWA-2S 2015019015 6/11/2015 GWA-3D 2015017623 6/4/2015 GWA-3S 2015017622 6/4/2015 GWA-4D 92255804001 6/23/2015 GWA-4S 92255411001 6/19/2015 GWA-5BR 2015020017 6/16/2015 GWA-6D 92256588001 6/29/2015 GWA-6S 92256795001 6/30/2015 GWA-7D 2015020016 6/16/2015 GWA-7S 92255428002 6/19/2015 GWA-8D 2015017833 6/5/2015 GWA-8S 92255419002 6/19/2015 GWA-9D 2015019702 6/15/2015 GWA-9S 92255428001 6/19/2015 MW-10 92256207002 6/24/2015 MW-10 92256207003 6/25/2015 MW-10D 92256029003 6/24/2015 MW-11 92256589002 6/25/2015 MW-11D 92256589003 6/29/2015 MW-12 92255418001 6/20/2015 MW-12D 92255419001 6/20/2015 MW-20D 92256029002 6/24/2015 MW-20S 92256029001 6/24/2015 MW-21D 92255826001 6/23/2015 MW-21S 92256033002 6/24/2015 MW-22BR 92256200001 6/25/2015 Analyte CAS RN Fraction Result Unit 15A NCAC 02L STANDARD IMAC* Mercury Mercury Molybdenum Molybdenum Nickel Nickel Selenium Selenium Strontium Strontium Thallium Thallium Titanium 7439-97-6 7439-97-6 7439-98-7 7439-98-7 7440-02-0 7440-02-0 7782-49-2 7782-49-2 7440-24-6 7440-24-6 7440-28-0 7440-28-0 7440-32-6 D T D T D T D T D T D T D ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l 1 1 NS NS 100 100 20 20 NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS 0.2 0.2 NS 0.2 U 0.2 U 2.4 1.6 1.8 J+1.6 J+0.38 J 0.22 J 730 2900 0.1 U 0.1 U NA 0.2 U 0.2 U 7.4 8.3 1.2 J+15.1 0.67 0.64 380 410 0.1 U 0.1 U NA 0.2 U 0.2 U 12.6 13 2.3 2.9 0.5 U 0.5 U 160 180 0.1 U 0.023 J NA 0.2 U 0.2 U 2.3 2.4 1.4 J+2.5 J+0.5 U 0.5 U 680 740 0.1 U 0.1 U NA 0.2 U 0.2 U 2.8 2.5 1.5 J+1.9 J+0.28 J 0.5 U 340 400 0.1 U 0.1 U NA 0.2 U 0.2 U 0.5 U 0.5 U 0.38 J+8.6 J+0.5 U 0.5 U 150 150 0.1 U 0.02 J NA 0.2 U 0.2 U 20 21.4 1.1 J+1.1 J+0.32 J 0.67 550 650 0.1 U 0.1 U NA 0.1 J 0.2 U 3.6 3.5 3 J+4.2 0.5 U 0.5 U 390 380 0.018 J+0.024 J NA 0.2 U 0.2 U 3.8 3.9 0.5 U 0.23 J 28.8 35.3 320 350 0.1 U 0.1 U NA 0.2 U 0.12 J 2.8 2.5 9.6 9.8 0.5 U 0.5 U 600 600 0.1 U 0.1 U NA 0.2 UJ 0.085 J+1 1 1.8 J+2.8 J+0.5 U 0.5 U 510 530 0.1 U 0.061 J NA 0.2 U 0.2 U 6.8 7.2 2.1 5.2 J+0.5 U 0.5 U 920 980 0.1 U 0.034 J NA 0.2 U 0.2 U 0.64 0.35 J 1.5 J 1.5 0.5 U 0.5 U 150 160 0.1 U 0.1 U NA 0.2 U 0.2 U 1.4 J+1.8 0.85 J+1.2 J+0.5 U 0.5 U 400 440 0.034 J 0.1 U NA 0.05 U 0.05 U 1 UJ 1 UJ 1 UJ 1.59 J 1 UJ 1 UJ 320 330 0.2 UJ 0.2 UJ NA 0.2 U 0.2 U 1.2 1.2 2.3 J+0.52 J+0.5 U 0.5 U 250 300 0.1 U 0.1 U NA 0.2 U 0.2 U 0.5 U 0.11 J 0.8 J+2.4 J+0.5 U 0.5 U 200 220 0.1 U 0.019 J NA 0.05 U 0.05 U 1 U 1 U 6.43 11.1 1 U 1 U 381 481 0.2 U 0.256 NA 0.2 U 0.2 U 0.97 0.87 1.1 J+1.7 J+0.5 U 0.5 U 440 480 0.1 U 0.1 U NA 0.2 U 0.81 J+0.46 J 0.7 J+13.9 17 0.5 U 0.5 U 240 240 0.1 U 0.1 U NA 0.05 U 0.05 U 1.26 1.52 1 U 3.37 1 U 1 U 533 526 0.2 U 0.2 U NA 0.05 U 0.05 U 1 U 1 U 2.14 3.09 1 U 1 U 140 140 0.2 U 0.2 U NA 0.2 U 0.2 U 12.5 13 0.51 0.46 J+0.5 U 0.5 U 1700 1800 0.1 U 0.1 U NA 0.2 U 0.2 U 0.93 0.89 0.91 1.1 J+0.22 J 0.24 J 3300 3300 0.1 U 0.1 U NA 0.2 U 0.2 U 2.6 2.7 0.62 J+1.1 J+0.5 U 0.5 U 260 310 0.045 J 0.1 U NA 0.2 UJ 0.11 J+0.11 J 0.3 J 8.2 10.3 0.5 U 0.5 U 53 59 0.1 U 0.016 J NA 0.2 U 0.79 J+3.3 3.9 0.31 J 0.47 J 0.5 U 0.5 U 210 250 0.1 U 0.032 J NA 0.2 U 0.2 U 0.12 J 0.11 J 3.8 4.5 J+0.5 U 0.5 U 25 26 0.1 U 0.016 J NA 0.05 U 0.05 U 1.01 1.28 12.5 16.9 1 U 1 U 155 162 0.2 U 0.2 U NA 0.05 U 0.05 U 1 U 1 U 8.27 8.7 1 U 1 U 84 108 0.2 U 0.2 U NA 0.2 U 0.2 U 0.54 J+0.64 0.68 0.91 J+0.5 U 0.5 U 310 340 0.1 U 0.1 U NA 0.2 U 0.2 U 11.9 11.6 4.5 4.5 0.5 U 0.5 U 290 300 0.1 U 0.1 U NA 0.2 UJ 0.2 UJ 0.44 J 0.55 1 J+1.1 J+0.5 U 0.5 U 2300 2300 0.1 UJ 0.1 UJ NA 0.2 U 0.2 U 3.3 3 2.2 2.1 J+0.5 U 0.5 U 190 200 0.1 U 0.1 U NA 0.2 U 0.2 U 13.7 9.2 1.4 J 2.9 2.5 U 2.5 U 860 850 0.14 J 0.5 U NA 0.2 UJ 0.2 UJ 0.14 J 0.11 J 1.4 J+2.1 J+0.5 U 0.5 U 290 290 0.1 UJ 0.1 UJ NA 0.2 U 0.085 J+0.5 U 0.14 J 51.1 46.9 0.62 0.86 780 800 0.1 U 0.1 U NA 0.2 U 0.2 U 3.1 3.4 0.51 J+1.4 J+0.69 1.1 630 700 0.1 U 0.018 J NA 0.2 U 0.2 U 0.73 0.73 6.1 5.8 0.5 U 0.5 U 460 420 0.1 U 0.1 U NA 0.2 U 0.072 J 0.27 J 0.52 1.2 J+3.2 J+0.5 U 0.5 U 63 64 0.1 U 0.1 U NA 0.2 U 0.073 J+0.5 U 0.3 J 0.66 J+6.1 J+0.5 U 0.56 3.1 J 21 0.1 U 0.034 J NA NA NA NA NA NA NA NA NA NA NA NA NA NA 0.2 U 0.2 U 0.5 U 0.5 U 1.4 2 0.5 U 0.5 U 690 720 0.1 U 0.1 U NA 0.2 U 0.2 U 0.13 J 0.13 J 2.1 2.1 0.5 U 0.5 U 270 300 0.1 U 0.1 U NA 0.2 U 0.2 U 0.5 U 0.5 U 5.5 J+5.6 J+0.5 U 0.5 U 54 59 0.1 U 0.023 J NA 0.2 U 0.2 U 3.4 2.4 1.4 J+1.4 J+0.5 U 0.5 U 480 510 0.1 U 0.021 J NA 0.2 U 0.072 J+0.15 J 0.2 J 9.7 11.2 0.5 U 0.5 U 9.2 10 0.1 U 0.017 J NA 0.2 U 0.2 U 0.16 J 0.2 J 5 5.7 0.5 U 0.5 U 46 51 0.1 U 0.1 U NA 0.2 U 0.2 U 0.22 J 0.22 J 0.5 U 0.19 J 0.5 U 0.5 U 460 520 0.1 U 0.1 U NA 0.2 U 0.2 U 0.22 J 0.18 J 0.92 0.87 0.5 U 0.5 U 120 130 0.1 U 0.1 U NA 0.2 U 0.2 U 0.34 J+0.31 J 0.75 J+0.58 J+0.5 U 0.5 U 810 960 0.1 U 0.1 U NA 0.2 U 0.2 U 20.7 19.9 1.2 J+1.1 J+0.5 U 0.5 U 320 370 0.1 U 0.1 U NA 0.2 UJ 0.2 U 15 15.1 1.3 1.5 J+0.5 U 0.5 U 570 670 0.1 U 0.1 U NA Page 5 of 12 Table 10-11 Groundwater Sample Results Sample Name Sample ID Sample Date Analyte CAS RN Fraction Result Unit 15A NCAC 02L STANDARD IMAC* MW-22S 92256207001 6/25/2015 MW-23BR 2015017088 6/1/2015 MW-23D 92256821003 6/30/2015 MW-301BR 2015019014 6/11/2015 MW-303BR 2015019744 6/12/2015 MW-303BR 92255785004 6/12/2015 MW-306BR 2015019745 6/12/2015 MW-306BR 92255786001 6/12/2015 MW-308BR 2015019703 6/15/2015 MW-310BR 2015020015 6/16/2015 MW-311BR 92256589004 6/29/2015 MW-314BR 92256210003 6/25/2015 MW-315BR 92255424002 6/19/2015 MW-317BR 2015017832 6/5/2015 MW-318D 2015017341 6/2/2015 MW-9 92256821004 6/24/2015 MW-9 92256821005 6/25/2015 MW-9 92256821006 6/30/2015 MW-9D 92256029004 6/24/2015 OW-308D 92256210002 6/25/2015 OW-310D 92255804002 6/23/2015 General Notes: ug/l - micrograms per liter NA - Not analyzed or not reported by analytical laboratory T - Total D - Dissolved N - Fraction not applicable Comparison Criteria: Qualifier Notes: U -- Not detected above the reporting detection limit. J -- Estimated Concentration J+ -- Estimated concentration, biased high. J- --Estimated concentration, biased low. NS - No applicable standard for this parameter shading + bold - indicates exceedance of NC 2L or IMAC Criteria. North Carolina Department of Environment and Natural Resources Division of Water Resources 02L Groundwater Quality Standards and Interim Maximum Allowable Concentrations (IMACs). April 2013 *NOTE: The IMAC value is shown where there is no applicable 02L standard. Appendix #1 of 15A NCAC Subchapter 02L Classifications and Water Quality Standards Applicable to the Groundwaters of North Carolina , lists Interim Maximum Allowable Concentrations (IMACs). The IMACs were issued in 2010 and 2011, however NCDENR has not established a 02L standard for these constituents as described in 15A NCAC 02L.0202(c). For this reason, IMACs are noted in this report for reference only. Mercury Mercury Molybdenum Molybdenum Nickel Nickel Selenium Selenium Strontium Strontium Thallium Thallium Titanium 7439-97-6 7439-97-6 7439-98-7 7439-98-7 7440-02-0 7440-02-0 7782-49-2 7782-49-2 7440-24-6 7440-24-6 7440-28-0 7440-28-0 7440-32-6 D T D T D T D T D T D T D ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l 1 1 NS NS 100 100 20 20 NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS 0.2 0.2 NS 0.2 U 0.2 U 0.57 0.61 0.96 1.1 0.5 U 0.5 U 170 200 0.1 U 0.1 U NA 0.05 U 0.05 U 2.51 2.52 1 U 1 U 1 U 1 U 1930 1940 0.2 U 0.55 NA 0.2 U 0.2 U 0.57 0.41 J 0.47 J 0.49 J+0.5 U 0.5 U 890 740 0.1 U 0.1 U NA 0.2 U 0.2 U 1.2 1.3 2.4 J+0.93 J+0.32 J 0.39 J 370 380 0.1 U 0.035 J NA 0.2 U 0.2 U 1.5 2.1 0.51 J+4.8 J+0.5 U 0.33 J 170 190 0.017 J 0.056 J NA NA NA NA NA NA NA NA NA NA NA NA NA NA 0.2 U 0.2 U 2.3 1.9 2 J+2.2 J+0.5 U 0.5 U 730 740 0.1 U 0.1 U NA NA NA NA NA NA NA NA NA NA NA NA NA NA 0.2 U 0.2 UJ 7.6 8.1 0.98 J+1.7 J+0.5 U 0.5 U 1200 1300 0.1 U 0.1 U NA 0.092 J+0.082 J+1.8 1.9 0.35 J+0.88 J+0.5 U 0.21 J 190 200 0.1 UJ 0.1 UJ NA 0.2 U 0.2 U 5 5 2.9 J+4 J+0.5 U 0.5 U 920 980 0.1 U 0.016 J NA 0.23 0.2 U 0.72 J+0.91 1.2 J+3.4 J+0.5 U 0.5 U 160 160 0.1 U 0.016 J NA 0.2 U 0.2 U 0.36 J+0.94 1.2 J+16.1 0.5 U 0.5 U 420 460 0.1 U 0.024 J NA 0.2 U 0.2 U 5.1 5.6 0.5 UJ 0.54 J+0.53 0.75 450 570 0.1 U 0.1 U NA 0.05 U 0.05 U 1 UJ 1 UJ 12.4 J 15.1 J 1 UJ 1.03 J 589 604 0.2 UJ 0.2 UJ 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 0.2 U 0.095 J 0.1 J 0.5 U 1.7 1.2 J+0.5 U 0.5 U 120 130 0.1 U 0.1 U NA 0.2 U 0.2 U 9.7 10.1 2.6 5.2 0.5 U 0.5 U 100 120 0.1 U 0.035 J NA 0.2 U 0.2 U 2.1 2.2 0.43 J+0.5 UJ 0.5 U 0.5 U 380 420 0.046 J 0.052 J NA 0.2 U 0.2 U 44.9 53.5 2.4 2.4 J+0.5 U 0.5 U 2500 2500 0.13 0.11 NA Page 6 of 12 Table 10-11 Groundwater Sample Results Sample Name Sample ID Sample Date AB-10D 92256033005 6/24/2015 AB-25BR 92256382003 6/26/2015 AB-25D 92256382001 6/26/2015 AB-30BR 92256033001 6/24/2015 AB-30D 92256033004 6/24/2015 AB-30S 92256589001 6/29/2015 AB-35BR 92256210001 6/25/2015 AB-5D 92255375001 6/18/2015 AS-10D 2015018298 6/8/2015 AS-12S 2015018534 6/9/2015 AS-2D 2015020226 6/17/2015 AS-4D 2015017831 6/5/2015 AS-6D 2015018297 6/8/2015 AS-8BR 2015018536 6/9/2015 AS-8D 2015017342 6/26/2015 BG-5D 92255826002 6/23/2015 BG-5S 92256033003 6/24/2015 GWA-10D 2015017624 6/26/2015 GWA-11D 2015017834 6/5/2015 GWA-11S 2015018550 6/10/2015 GWA-12D 2015017626 6/4/2015 GWA-12S 2015017625 6/4/2015 GWA-14D 92256821001 6/30/2015 GWA-15D 92256821002 6/30/2015 GWA-1D 2015019013 6/11/2015 GWA-1S 2015020227 6/17/2015 GWA-2D 2015018551 6/10/2015 GWA-2S 2015019015 6/11/2015 GWA-3D 2015017623 6/4/2015 GWA-3S 2015017622 6/4/2015 GWA-4D 92255804001 6/23/2015 GWA-4S 92255411001 6/19/2015 GWA-5BR 2015020017 6/16/2015 GWA-6D 92256588001 6/29/2015 GWA-6S 92256795001 6/30/2015 GWA-7D 2015020016 6/16/2015 GWA-7S 92255428002 6/19/2015 GWA-8D 2015017833 6/5/2015 GWA-8S 92255419002 6/19/2015 GWA-9D 2015019702 6/15/2015 GWA-9S 92255428001 6/19/2015 MW-10 92256207002 6/24/2015 MW-10 92256207003 6/25/2015 MW-10D 92256029003 6/24/2015 MW-11 92256589002 6/25/2015 MW-11D 92256589003 6/29/2015 MW-12 92255418001 6/20/2015 MW-12D 92255419001 6/20/2015 MW-20D 92256029002 6/24/2015 MW-20S 92256029001 6/24/2015 MW-21D 92255826001 6/23/2015 MW-21S 92256033002 6/24/2015 MW-22BR 92256200001 6/25/2015 Analyte CAS RN Fraction Result Unit 15A NCAC 02L STANDARD IMAC* Titanium Vanadium Vanadium Zinc Zinc Alkalinity, HCO3 Alkalinity, CO3 Alkalinity, lab Calcium Calcium Chloride Chlorine Magnesium 7440-32-6 7440-62-2 7440-62-2 7440-66-6 7440-66-6 ALK-HCO3 ALK-CO3 ALK-LAB 7440-70-2 7440-70-2 16887-00-6 7782-50-5 7439-95-4 T D T D T N N N D T N T D ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l NS NS NS 1000 1000 NS NS NS NS NS 250000 NS NS NS 0.3 0.3 NS NS NS NS NS NS NS NS NS NS NA 2.9 1.5 10 UJ 10 UJ 226000 10000 236000 NA 60800 J-24900 NA NA NA 5.1 5.5 10 U 10 U 55900 11500 67400 NA 33200 22900 NA NA NA 0.56 J 0.69 J 10 U 3.6 J 70800 5000 U 70800 NA 29300 19800 NA NA NA 1 U 0.91 J 10 UJ 12 J+133000 5000 U 133000 NA 69700 20800 NA NA NA 0.96 J 0.86 J 3 J+4 J+90900 5000 U 90900 J-NA 52300 22100 NA NA NA 1 UJ 1 U 15 J+13 J+6200 5000 U 6200 NA 8580 10200 NA NA NA 0.99 J 1.8 4.4 J 9.6 J+187000 5000 U 187000 NA 84300 18800 NA NA NA 1 U 0.77 J 3.8 J 5.6 J+131000 5000 U 131000 NA 34900 J-15500 NA NA NA 13.3 15.3 10 U 5.4 J+23000 63000 100000 NA 65000 20300 NA NA NA 0.29 J 1.1 10 U 4.2 J+190000 10000 U 190000 NA 40700 18700 NA NA NA 0.32 J 1.6 8.4 J 16 J+170000 10000 U 170000 NA 72500 16900 NA NA NA 1 U 4.8 7.5 J 2.6 J+310000 10000 U 310000 NA 72800 21900 NA NA NA 1 U 0.69 J+7.3 J 12 J+140000 10000 U 140000 NA 16300 16300 NA NA NA 1.4 2.7 10 U 4.5 J+150000 10000 U 150000 NA 84600 8200 NA NA NA 0.3 UJ 1.88 J 12 J 7 J 170000 10000 U 170000 NA 47000 6800 NA NA NA 1 U 1 U 10 U 10 U 133000 5000 U 133000 NA 32400 5700 NA NA NA 1 U 2.6 10 UJ 5.1 J+77600 5000 U 77600 NA 17100 6900 NA NA NA 0.324 3.36 13 43 J+39000 10000 U 39000 NA 24200 14000 NA NA NA 1 U 1.2 J+11 43 J+180000 10000 U 180000 NA 48000 10900 NA NA NA 0.34 J 0.52 J 7.6 J 2.7 J+57000 10000 U 57000 NA 9730 10000 NA NA NA 2.75 5.65 14 5 UJ 190000 10000 U 190000 NA 51700 3900 NA NA NA 0.3 U 0.3 U 6 5 UJ 28000 10000 U 28000 NA 12200 3000 NA NA NA 0.5 J 0.67 J 10 U 4.1 J 132000 5000 U 132000 NA 66200 13800 NA NA NA 0.86 J 1.5 18 3.8 J 129000 5000 U 129000 NA 140000 13300 NA NA NA 1 U 0.79 J 10 U 4.8 J 160000 10000 U 160000 NA 54300 1500 NA NA NA 1 U 1.5 3.5 J 9.6 J+37000 10000 U 37000 NA 3450 3600 J+NA NA NA 0.5 J 0.57 J 10 U 3.1 J+29000 18000 51000 NA 58200 5000 NA NA NA 1 U 1.3 6.6 J 8.7 J 16000 10000 U 16000 NA 2690 1800 NA NA NA 0.3 U 0.3 U 19 16 J+75000 10000 U 75000 NA 10800 22000 NA NA NA 0.3 U 0.3 U 27 20 J+67000 10000 U 67000 NA 5830 11000 NA NA NA 0.95 J 1.5 10 U 5.9 J+64700 5000 U 64700 NA 26500 14200 NA NA NA 1 U 0.6 J 2.6 J 3.4 J 58800 5000 U 58800 NA 19500 11400 NA NA NA 1 U 0.49 J 23 6.6 J 150000 10000 U 150000 NA 188000 17500 NA NA NA 1 U 1 U 10 U 10 UJ 124000 5000 U 124000 J+NA 50500 16300 NA NA NA 5 U 6.5 2.7 J 27 J+290000 5000 U 290000 NA 81100 18500 NA NA NA 1 U 0.3 J 2.6 J 3.5 J 59000 10000 U 59000 NA 26900 3000 NA NA NA 1 U 0.38 J 560 390 5500 5000 U 5500 NA 25800 2400 NA NA NA 3.2 5.2 10 U 3.4 J+120000 10000 U 120000 NA 130000 4700 NA NA NA 1 UJ 0.45 J 7.8 J 13 61800 5000 U 61800 NA 39600 5500 NA NA NA 1 U 1.8 3.9 J+8.9 J+57000 10000 U 57000 NA 17700 2000 NA NA NA 1 U 5.1 5.1 J+20 9100 5000 U 9100 NA 1050 4200 NA NA NA NA NA NA NA 124000 5000 U 124000 NA NA NA NA NA NA 1 U 1 U 10 U 10 U NA NA NA NA 41000 20400 NA NA NA 1 U 1 U 10 UJ 10 U 95300 5000 U 95300 NA 33600 24100 NA NA NA 0.46 J 2.6 5.7 J+6.8 J+5000 U 5000 U 5000 U NA 2850 6500 NA NA NA 0.5 J+1 U 10 UJ 4.6 J+124000 5000 U 124000 NA 62500 23600 NA NA NA 1 U 2.6 90 92 17200 5000 U 17200 NA 2440 5900 NA NA NA 1 U 1.4 12 J+16 62500 5000 U 62500 NA 12800 9400 NA NA NA 1 U 0.41 J 10 UJ 10 UJ 158000 5000 U 158000 NA 43400 4200 NA NA NA 1 U 1 U 2.8 J+60 68300 5000 U 68300 NA 15300 20800 NA NA NA 1 U 1 U 32 J+10 U 161000 5000 U 161000 NA 136000 17700 NA NA NA 1.6 1.5 10 UJ 10 UJ 58200 5000 U 58200 NA 22000 11200 NA NA NA 1 U 0.33 J 10 U 10 U 74000 5000 U 74000 NA 38400 19400 NA NA Page 7 of 12 Table 10-11 Groundwater Sample Results Sample Name Sample ID Sample Date Analyte CAS RN Fraction Result Unit 15A NCAC 02L STANDARD IMAC* MW-22S 92256207001 6/25/2015 MW-23BR 2015017088 6/1/2015 MW-23D 92256821003 6/30/2015 MW-301BR 2015019014 6/11/2015 MW-303BR 2015019744 6/12/2015 MW-303BR 92255785004 6/12/2015 MW-306BR 2015019745 6/12/2015 MW-306BR 92255786001 6/12/2015 MW-308BR 2015019703 6/15/2015 MW-310BR 2015020015 6/16/2015 MW-311BR 92256589004 6/29/2015 MW-314BR 92256210003 6/25/2015 MW-315BR 92255424002 6/19/2015 MW-317BR 2015017832 6/5/2015 MW-318D 2015017341 6/2/2015 MW-9 92256821004 6/24/2015 MW-9 92256821005 6/25/2015 MW-9 92256821006 6/30/2015 MW-9D 92256029004 6/24/2015 OW-308D 92256210002 6/25/2015 OW-310D 92255804002 6/23/2015 General Notes: ug/l - micrograms per liter NA - Not analyzed or not reported by analytical laboratory T - Total D - Dissolved N - Fraction not applicable Comparison Criteria: Qualifier Notes: U -- Not detected above the reporting detection limit. J -- Estimated Concentration J+ -- Estimated concentration, biased high. J- --Estimated concentration, biased low. NS - No applicable standard for this parameter shading + bold - indicates exceedance of NC 2L or IMAC Criteria. North Carolina Department of Environment and Natural Resources Division of Water Resources 02L Groundwater Quality Standards and Interim Maximum Allowable Concentrations (IMACs). April 2013 *NOTE: The IMAC value is shown where there is no applicable 02L standard. Appendix #1 of 15A NCAC Subchapter 02L Classifications and Water Quality Standards Applicable to the Groundwaters of North Carolina , lists Interim Maximum Allowable Concentrations (IMACs). The IMACs were issued in 2010 and 2011, however NCDENR has not established a 02L standard for these constituents as described in 15A NCAC 02L.0202(c). For this reason, IMACs are noted in this report for reference only. Titanium Vanadium Vanadium Zinc Zinc Alkalinity, HCO3 Alkalinity, CO3 Alkalinity, lab Calcium Calcium Chloride Chlorine Magnesium 7440-32-6 7440-62-2 7440-62-2 7440-66-6 7440-66-6 ALK-HCO3 ALK-CO3 ALK-LAB 7440-70-2 7440-70-2 16887-00-6 7782-50-5 7439-95-4 T D T D T N N N D T N T D ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l NS NS NS 1000 1000 NS NS NS NS NS 250000 NS NS NS 0.3 0.3 NS NS NS NS NS NS NS NS NS NS NA 0.48 J 0.74 J 5.6 J 4.4 J 150000 5000 U 150000 NA 24200 20500 NA NA NA 1.15 1.38 14 7 220000 10000 U 220000 NA 53700 3300 NA NA NA 1 U 1 U 31 27 205000 5000 U 205000 NA 61100 8000 J+NA NA NA 1.5 1.8 10 U 3.7 J 150000 10000 U 150000 NA 43100 4400 NA NA NA 0.39 J 3.7 8.4 J 16 140000 10000 U 140000 NA 34700 8300 NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA 1.5 1.6 2.5 J 5 J 160000 10000 U 160000 NA 91500 21600 NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA 1 U 0.84 J 9.8 J+6.8 J+170000 10000 U 170000 NA 169000 11600 NA NA NA 2.1 2.5 10 U 5.7 J 110000 10000 U 110000 NA 34700 11600 NA NA NA 0.38 J+0.89 J 3.8 J+15 J+154000 5000 U 154000 NA 53400 22000 NA NA NA 0.65 J 1.3 10 U 5.5 J+56700 5000 U 56700 NA 47400 30500 NA NA NA 1 U 1.4 130 13 176000 5000 U 176000 NA 40200 10400 NA NA NA 8.5 8.4 10 U 10 UJ 10000 U 130000 270000 NA 107000 8000 NA NA NA 0.3 UJ 0.654 J 78 71 83000 10000 U 83000 NA 21100 9100 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 13000 J-NA NA NA 0.47 J 2.3 8.5 J 8.5 J 35200 5000 U 35200 NA 11400 NA NA NA NA 0.5 J 11.1 10 UJ 6.1 J 32400 5000 U 32400 NA 21100 20000 NA NA NA 1 U 1 U 10 U 10 U 54500 5000 U 54500 NA 20000 9700 NA NA NA 0.95 J 1.2 10 U 10 U 301000 5000 U 301000 NA 98500 16900 NA NA Page 8 of 12 Table 10-11 Groundwater Sample Results Sample Name Sample ID Sample Date AB-10D 92256033005 6/24/2015 AB-25BR 92256382003 6/26/2015 AB-25D 92256382001 6/26/2015 AB-30BR 92256033001 6/24/2015 AB-30D 92256033004 6/24/2015 AB-30S 92256589001 6/29/2015 AB-35BR 92256210001 6/25/2015 AB-5D 92255375001 6/18/2015 AS-10D 2015018298 6/8/2015 AS-12S 2015018534 6/9/2015 AS-2D 2015020226 6/17/2015 AS-4D 2015017831 6/5/2015 AS-6D 2015018297 6/8/2015 AS-8BR 2015018536 6/9/2015 AS-8D 2015017342 6/26/2015 BG-5D 92255826002 6/23/2015 BG-5S 92256033003 6/24/2015 GWA-10D 2015017624 6/26/2015 GWA-11D 2015017834 6/5/2015 GWA-11S 2015018550 6/10/2015 GWA-12D 2015017626 6/4/2015 GWA-12S 2015017625 6/4/2015 GWA-14D 92256821001 6/30/2015 GWA-15D 92256821002 6/30/2015 GWA-1D 2015019013 6/11/2015 GWA-1S 2015020227 6/17/2015 GWA-2D 2015018551 6/10/2015 GWA-2S 2015019015 6/11/2015 GWA-3D 2015017623 6/4/2015 GWA-3S 2015017622 6/4/2015 GWA-4D 92255804001 6/23/2015 GWA-4S 92255411001 6/19/2015 GWA-5BR 2015020017 6/16/2015 GWA-6D 92256588001 6/29/2015 GWA-6S 92256795001 6/30/2015 GWA-7D 2015020016 6/16/2015 GWA-7S 92255428002 6/19/2015 GWA-8D 2015017833 6/5/2015 GWA-8S 92255419002 6/19/2015 GWA-9D 2015019702 6/15/2015 GWA-9S 92255428001 6/19/2015 MW-10 92256207002 6/24/2015 MW-10 92256207003 6/25/2015 MW-10D 92256029003 6/24/2015 MW-11 92256589002 6/25/2015 MW-11D 92256589003 6/29/2015 MW-12 92255418001 6/20/2015 MW-12D 92255419001 6/20/2015 MW-20D 92256029002 6/24/2015 MW-20S 92256029001 6/24/2015 MW-21D 92255826001 6/23/2015 MW-21S 92256033002 6/24/2015 MW-22BR 92256200001 6/25/2015 Analyte CAS RN Fraction Result Unit 15A NCAC 02L STANDARD IMAC* Magnesium Methane Nitrate Nitrite as N Nitrogen, NO2 plus NO3 Potassium Potassium Sodium Sodium Sulfate Sulfide pH (field)Total Organic Carbon 7439-95-4 74-82-8 14797-55-8 14797-65-0 NO2-NO3 7440-09-7 7440-09-7 7440-23-5 7440-23-5 14808-79-8 18496-25-8 PH TOC T N N N N D T D T N N N N ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l Std. Units ug/l NS NS 10000 1000 NS NS NS NS NS 250000 NS 8.5 NS NS NS NS NS NS NS NS NS NS NS NS NS NS 10900 31.5 J+NA NA 13 J+NA 68800 J-NA 42000 33700 100 U NA 28400 6090 8.6 J+NA NA 20 U NA 5000 U NA 43700 99000 100 U 9.12 1200 10500 4.2 J+NA NA 12 J NA 5000 U NA 32300 83000 100 U 7.09 1000 U 10900 34.5 J+NA NA 20 UJ NA 5000 U NA 14200 96700 100 U NA 1000 U 7830 23.5 J+NA NA 13 J+NA 5000 U NA 13800 71500 100 U NA 1000 U 5360 15.8 J+NA NA 20 UJ NA 5000 U NA 29400 81500 100 U 4.92 650 J 14700 20.2 J+NA NA 17 J+NA 13500 NA 34400 129000 100 U 7.57 12900 7180 19.1 J+NA NA 20 U NA 13900 NA 28400 45200 100 U NA 1000 U 59.2 J 10 U NA NA 20 U NA 5000 U NA 9700 43900 100 U 10.67 1000 U 30600 10 U NA NA 32 NA 5000 U NA 29000 71700 200 U NA 1600 16700 10 U NA NA 20 U NA 3120 J NA 29700 90600 100 U 6.32 1500 37500 41 NA NA 20 U NA 2600 J NA 22300 44900 500 U 6.28 1200 20300 68 NA NA 20 U NA 5000 U NA 20400 15100 100 U 6.02 640 J 10800 20 NA NA 20 U NA 4810 J NA 14000 74500 100 U 7.09 1000 U 11300 10 U NA 10 UJ NA NA 1810 NA 15700 25000 100 U 6.72 523 17400 5.4 J+NA NA 26 J+NA 3170 J NA 15700 39400 100 U 7.06 620 J 11500 3.6 J+NA NA 400 J+NA 5000 U NA 16000 41300 100 U NA 570 J 13100 10 U NA 232 NA NA 3210 NA 23400 3300 4000 UJ 5.47 459 J+ 16600 27 NA NA 20 U NA 5000 U NA 18100 37100 200 U 6.71 930 J 5140 13 NA NA 75 NA 5000 U NA 12500 4400 100 U 5.83 860 J 16400 10 U NA 178 NA NA 1000 NA 9470 16000 500 U 7.47 202 J+ 5960 10 U NA 808 NA NA 1690 NA 7920 41000 100 U 5.45 697 J+ 7420 62 J+NA NA 20 UJ NA 5000 U NA 21100 88500 100 U 7.34 650 J 18900 3.9 J+NA NA 20 UJ NA 5270 NA 26700 307000 100 U 7.09 540 J 5610 10 U NA NA 20 U NA 6280 NA 10500 4200 100 U 7.5 1000 U 3470 10 U NA NA 20 U NA 5000 U NA 18400 15100 J+200 U 5.97 1900 3860 10 U NA NA 34 NA 5560 NA 11400 3100 100 U 8.98 780 J 1290 10 U NA NA 160 J+NA 5000 U NA 3750 J 640 J 100 U 5.74 9300 8090 10 U NA 57 NA NA 796 NA 24900 6200 500 U 5.7 412 J+ 4990 10 U NA 31 NA NA 2570 NA 11300 73000 100 U 5.51 588 J+ 6890 12.7 J+NA NA 20 U NA 5000 U NA 17400 47800 100 U 6.9 14000 5970 82 NA NA 20 U NA 4320 J NA 17200 38200 100 U NA 650 J 25900 17 NA NA 20 U NA 5000 U NA 29600 416000 100 U 6.99 26800 10400 3080 NA NA 22 J+NA 5000 U NA 28200 88700 100 UJ 6.58 1400 14100 744 J NA NA 20 U NA 12000 NA 24700 10900 100 U NA 34800 13300 10 U NA NA 20 U NA 5000 U NA 25900 98200 100 U 6.01 590 J 18600 1.9 J+NA NA 370 NA 5000 U NA 18700 176000 100 U 5.39 980 J 29200 28 NA NA 20 U NA 5000 U NA 29900 368000 500 U 7.81 1100 24800 6.6 J+NA NA 20 U NA 5000 U NA 40400 181000 100 U NA 1200 3050 10 U NA NA 20 U NA 5000 U NA 6140 4200 500 U 6.4 1000 U 890 2.3 J+NA NA 48 NA 5000 U NA 6980 650 J 100 U 5.55 14200 NA 1.5 J+NA NA 1500 NA NA NA NA NA 100 U NA 1200 13600 NA NA NA NA NA 5000 U NA 15800 26800 NA NA NA 11000 13 NA NA 11 J NA 5000 U NA 17300 41300 100 U 6.2 510 J 1810 1.6 J+NA NA 110 J+NA 5000 U NA 19800 48100 100 U 4.77 1400 8020 7.6 J+NA NA 65 J+NA 3050 J NA 14000 70000 100 U 77.8 1000 U 4680 3.4 J+NA NA 20 U NA 5000 U NA 4970 J 10200 100 U NA 1000 U 8110 2.3 J+NA NA 20 UJ NA 5000 U NA 13100 25400 100 U 6.18 1000 U 11000 12.8 NA NA 12 J NA 5000 U NA 10600 5700 100 U 7.44 1000 U 10500 79.2 NA NA 20 U NA 5000 U NA 9640 3800 100 U NA 690 J 19100 16.9 J+NA NA 20 U NA 5000 U NA 15800 274000 100 U 7.03 1000 U 5420 8.5 J+NA NA 20 UJ NA 4080 J NA 12900 37000 100 U NA 1000 U 5810 44.9 J+NA NA 20 U NA 5000 U NA 23100 84100 100 U NA 2900 Page 9 of 12 Table 10-11 Groundwater Sample Results Sample Name Sample ID Sample Date Analyte CAS RN Fraction Result Unit 15A NCAC 02L STANDARD IMAC* MW-22S 92256207001 6/25/2015 MW-23BR 2015017088 6/1/2015 MW-23D 92256821003 6/30/2015 MW-301BR 2015019014 6/11/2015 MW-303BR 2015019744 6/12/2015 MW-303BR 92255785004 6/12/2015 MW-306BR 2015019745 6/12/2015 MW-306BR 92255786001 6/12/2015 MW-308BR 2015019703 6/15/2015 MW-310BR 2015020015 6/16/2015 MW-311BR 92256589004 6/29/2015 MW-314BR 92256210003 6/25/2015 MW-315BR 92255424002 6/19/2015 MW-317BR 2015017832 6/5/2015 MW-318D 2015017341 6/2/2015 MW-9 92256821004 6/24/2015 MW-9 92256821005 6/25/2015 MW-9 92256821006 6/30/2015 MW-9D 92256029004 6/24/2015 OW-308D 92256210002 6/25/2015 OW-310D 92255804002 6/23/2015 General Notes: ug/l - micrograms per liter NA - Not analyzed or not reported by analytical laboratory T - Total D - Dissolved N - Fraction not applicable Comparison Criteria: Qualifier Notes: U -- Not detected above the reporting detection limit. J -- Estimated Concentration J+ -- Estimated concentration, biased high. J- --Estimated concentration, biased low. NS - No applicable standard for this parameter shading + bold - indicates exceedance of NC 2L or IMAC Criteria. North Carolina Department of Environment and Natural Resources Division of Water Resources 02L Groundwater Quality Standards and Interim Maximum Allowable Concentrations (IMACs). April 2013 *NOTE: The IMAC value is shown where there is no applicable 02L standard. Appendix #1 of 15A NCAC Subchapter 02L Classifications and Water Quality Standards Applicable to the Groundwaters of North Carolina , lists Interim Maximum Allowable Concentrations (IMACs). The IMACs were issued in 2010 and 2011, however NCDENR has not established a 02L standard for these constituents as described in 15A NCAC 02L.0202(c). For this reason, IMACs are noted in this report for reference only. Magnesium Methane Nitrate Nitrite as N Nitrogen, NO2 plus NO3 Potassium Potassium Sodium Sodium Sulfate Sulfide pH (field)Total Organic Carbon 7439-95-4 74-82-8 14797-55-8 14797-65-0 NO2-NO3 7440-09-7 7440-09-7 7440-23-5 7440-23-5 14808-79-8 18496-25-8 PH TOC T N N N N D T D T N N N N ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l ug/l Std. Units ug/l NS NS 10000 1000 NS NS NS NS NS 250000 NS 8.5 NS NS NS NS NS NS NS NS NS NS NS NS NS NS 8480 7240 NA NA 44 NA 5000 U NA 27400 800 J 100 U 6.58 5500 18900 10 UJ NA 10 U NA NA 654 NA 13200 12000 100 U 7.45 148 13600 1.8 J+NA NA 20 UJ NA 5000 U NA 7300 29800 100 U 6.89 520 J 8200 10 U NA NA 20 U NA 5000 U NA 10600 3300 100 U NA 540 J 9480 NA NA NA 20 U NA 3420 J NA 17400 14900 100 U 6.56 700 J NA 10.2 J+NA NA NA NA NA NA NA NA NA 6.56 760 J 26600 NA NA NA 20 U NA 4290 J NA 24200 187000 100 U 6.96 800 J NA 20.4 J+NA NA NA NA NA NA NA NA NA 6.96 900 J 28000 27 NA NA 20 U NA 5000 U NA 20100 323000 200 U 7.05 610 J 6510 10 U NA NA 20 U NA 5000 U NA 21200 14100 1000 U 8.16 800 J 11200 8.5 J+NA NA 14 J+NA 5910 NA 23800 53000 100 U 7.05 27400 13400 2.5 J+NA NA 20 U NA 5000 U NA 11400 95800 100 U 7.39 1000 U 22600 10.9 J+NA NA 20 U NA 5000 U NA 22100 38400 100 U 6.7 810 J 670 20 U NA NA 20 U NA 15600 NA 18700 15500 100 U 11.44 1100 12700 10 U NA 10 UJ NA NA 1700 NA 35400 91000 100 U 5.51 738 NA NA NA NA NA NA NA NA NA NA NA NA NA NA 1.6 J+NA NA 230 NA NA NA NA 36100 100 U NA 1700 7310 NA NA NA NA NA 5000 U NA 14300 NA NA NA NA 9180 10 U NA NA 20 U NA 5000 U NA 25400 87300 100 U 6.73 1000 U 6920 40.9 J+NA NA 21 J+NA 11100 NA 18200 115000 100 U 6.2 1300 13100 1230 J NA NA 20 U NA 7620 NA 18100 21600 100 U 7.44 1000 U Page 10 of 12 Table 10-11 Groundwater Sample Results Sample Name Sample ID Sample Date AB-10D 92256033005 6/24/2015 AB-25BR 92256382003 6/26/2015 AB-25D 92256382001 6/26/2015 AB-30BR 92256033001 6/24/2015 AB-30D 92256033004 6/24/2015 AB-30S 92256589001 6/29/2015 AB-35BR 92256210001 6/25/2015 AB-5D 92255375001 6/18/2015 AS-10D 2015018298 6/8/2015 AS-12S 2015018534 6/9/2015 AS-2D 2015020226 6/17/2015 AS-4D 2015017831 6/5/2015 AS-6D 2015018297 6/8/2015 AS-8BR 2015018536 6/9/2015 AS-8D 2015017342 6/26/2015 BG-5D 92255826002 6/23/2015 BG-5S 92256033003 6/24/2015 GWA-10D 2015017624 6/26/2015 GWA-11D 2015017834 6/5/2015 GWA-11S 2015018550 6/10/2015 GWA-12D 2015017626 6/4/2015 GWA-12S 2015017625 6/4/2015 GWA-14D 92256821001 6/30/2015 GWA-15D 92256821002 6/30/2015 GWA-1D 2015019013 6/11/2015 GWA-1S 2015020227 6/17/2015 GWA-2D 2015018551 6/10/2015 GWA-2S 2015019015 6/11/2015 GWA-3D 2015017623 6/4/2015 GWA-3S 2015017622 6/4/2015 GWA-4D 92255804001 6/23/2015 GWA-4S 92255411001 6/19/2015 GWA-5BR 2015020017 6/16/2015 GWA-6D 92256588001 6/29/2015 GWA-6S 92256795001 6/30/2015 GWA-7D 2015020016 6/16/2015 GWA-7S 92255428002 6/19/2015 GWA-8D 2015017833 6/5/2015 GWA-8S 92255419002 6/19/2015 GWA-9D 2015019702 6/15/2015 GWA-9S 92255428001 6/19/2015 MW-10 92256207002 6/24/2015 MW-10 92256207003 6/25/2015 MW-10D 92256029003 6/24/2015 MW-11 92256589002 6/25/2015 MW-11D 92256589003 6/29/2015 MW-12 92255418001 6/20/2015 MW-12D 92255419001 6/20/2015 MW-20D 92256029002 6/24/2015 MW-20S 92256029001 6/24/2015 MW-21D 92255826001 6/23/2015 MW-21S 92256033002 6/24/2015 MW-22BR 92256200001 6/25/2015 Analyte CAS RN Fraction Result Unit 15A NCAC 02L STANDARD IMAC* Total Dissolved Solids Total Suspended Solids TDS TSS N N ug/l ug/l 500000 NS NS NS 272000 NA 296000 2500 U 258000 5000 327000 12100 249000 2500 U 183000 2500 U 410000 13300 247000 5000 220000 J-1100 350000 89000 405000 189000 410000 J-90000 220000 J-5500 370000 38000 250000 38000 214000 2900 175000 NA 220000 15000 240000 J-53000 10000 U 8600 250000 16000 110000 5000 U 325000 6500 705000 42900 220000 33000 105000 25000 10000 U 200000 37000 17000 160000 15000 110000 5000 U 188000 102000 152000 68100 873000 10700 302000 15000 432000 67000 242000 4300 318000 38000 690000 J-13000 J+ 397000 18900 113000 16100 161000 239000 NA NA 233000 5000 U 214000 2500 U 118000 38300 304000 9200 72000 76300 168000 120000 187000 5500 121000 3000 639000 3500 137000 5000 U 240000 9500 Page 11 of 12 Table 10-11 Groundwater Sample Results Sample Name Sample ID Sample Date Analyte CAS RN Fraction Result Unit 15A NCAC 02L STANDARD IMAC* MW-22S 92256207001 6/25/2015 MW-23BR 2015017088 6/1/2015 MW-23D 92256821003 6/30/2015 MW-301BR 2015019014 6/11/2015 MW-303BR 2015019744 6/12/2015 MW-303BR 92255785004 6/12/2015 MW-306BR 2015019745 6/12/2015 MW-306BR 92255786001 6/12/2015 MW-308BR 2015019703 6/15/2015 MW-310BR 2015020015 6/16/2015 MW-311BR 92256589004 6/29/2015 MW-314BR 92256210003 6/25/2015 MW-315BR 92255424002 6/19/2015 MW-317BR 2015017832 6/5/2015 MW-318D 2015017341 6/2/2015 MW-9 92256821004 6/24/2015 MW-9 92256821005 6/25/2015 MW-9 92256821006 6/30/2015 MW-9D 92256029004 6/24/2015 OW-308D 92256210002 6/25/2015 OW-310D 92255804002 6/23/2015 General Notes: ug/l - micrograms per liter NA - Not analyzed or not reported by analytical laboratory T - Total D - Dissolved N - Fraction not applicable Comparison Criteria: Qualifier Notes: U -- Not detected above the reporting detection limit. J -- Estimated Concentration J+ -- Estimated concentration, biased high. J- --Estimated concentration, biased low. NS - No applicable standard for this parameter shading + bold - indicates exceedance of NC 2L or IMAC Criteria. North Carolina Department of Environment and Natural Resources Division of Water Resources 02L Groundwater Quality Standards and Interim Maximum Allowable Concentrations (IMACs). April 2013 *NOTE: The IMAC value is shown where there is no applicable 02L standard. Appendix #1 of 15A NCAC Subchapter 02L Classifications and Water Quality Standards Applicable to the Groundwaters of North Carolina , lists Interim Maximum Allowable Concentrations (IMACs). The IMACs were issued in 2010 and 2011, however NCDENR has not established a 02L standard for these constituents as described in 15A NCAC 02L.0202(c). For this reason, IMACs are noted in this report for reference only. Total Dissolved Solids Total Suspended Solids TDS TSS N N ug/l ug/l 500000 NS NS NS 192000 20200 270000 5000 U 252000 2500 U 210000 9100 272000 13000 J NA NA 530000 6300 J NA NA 844000 19700 183000 36700 318000 55300 261000 12600 277000 222000 350000 J-14000 J- 270000 9000 NA 2500 U 113000 NA NA NA 238000 49000 264000 9400 368000 3100 Page 12 of 12 Page 1 of 1 Table 10-12: Groundwater Sample Results Compared to North Carolina 2L Standards Note: For the “No. of groundwater Sample Locations > North Carolina Samples 2L Standard or IMAC column, data reported represents groundwater sample locations, not individual samples collected. Constituent of Interest 2L Standard or IMAC Number of Samples > 2L Standard or IMAC Concentration Range of Exceedances (in µg/L ) Arsenic 10 4 12 (AB-35BR) to 809 (OW -310D) Chromium 10 6 11(MW-17BR) to 30.1 (AB-25BR) Cobalt 1 23 1 (AB-5D) & 1 (BG-5D) to 29.2 (MW-11) Iron 300 46 310 (GWA-7S) to 36,400 (OW -308D) Manganese 50 59 94 (GWA-2S) to 2,200 (MW -308BR) Selenium 20 1 35.3 (AS-10) Thallium 0.2 2 0.256 (GWA-10D) to 0.55 (MW-23BR) Vanadium 0.3 53 0.3 (GWA-7D) to 15.3 (AS-10D) Sulfate 250,000 1 274,000 (MW-D21) to 416,000 (GWA-5BR) Page 1 of 1 Table 10-13. Range of Constituent Concentrations and Comparison to Range of Background Groundwater Concentrations – Beneath Ash Basin Constituent Background Groundwater Concentrations (Range, µg/L) Groundwater Concentrations Beneath Ash Basin in Exceedance of 2L Standards (Range, µg/L) Antimony <0.5 1.3 to 9.8 Arsenic <0.5 to 0.27 11.7 to 442 Boron <50.0 700 to 820 Chromium 0.22 to 1.2 30.1 to 50.0 Cobalt 1 to 2.1 1.0 to 44.7 Iron 110 to 890 380 to 25100 Lead 0.057 to 0.078 0.13 to 77.4 Manganese 110 to 910 72 to 2200 pH 6.2 to 7.45 4.92 to 6.2 and 8.51 to 9.12 Thallium 0.1 to 0.019 0.54 to 3.4 TDS 175,000 to 252,000 <85,000 to 844,000 Notes: 1. µg/L = micrograms per liter Page 1 of 1 Table 10-14. Range of Constituent Concentrations and Comparison to Range of Background Groundwater Concentrations – Beneath Ash Storage Area Constituent Background Groundwater Concentrations (Range, µg/L) Groundwater Concentrations Beneath the Ash Storage in Exceedance of 2L Standards (Range, µg/L) Antimony <0.5 0.16 to 2.9 Boron <50.0 810 to 1310 Chromium 0.22 to 1.2 <1.0 to 13.0 Cobalt 1 to 2.1 1.1 to 13.0 Iron 110 to 890 383 to 4480 Manganese 110 to 910 270 to 1800 Selenium <0.5 0.28 to 35.3 pH 6.2 to 7.45 5.95 to 6.32 and 10.67 TDS 175,000 to 252,000 530,000 to 612,000 Vanadium <1.0 to 2.6 0.65 to 15.3 Notes: 1. µg/L = micrograms per liter Page 1 of 1 Table 10-15. Range of Constituent Concentrations and Comparison to Range of Background Groundwater Concentrations – Beyond Waste Boundary Constituent Background Groundwater Concentrations (Range, µg/L) Groundwater Concentrations Beyond Waste Boundary in Exceedance of 2L Standards (Range, µg/L) Antimony <0.5 2.1 to 2.2 Beryllium 0.087 to <0.2 0.1 to 4.7 Chromium 0.22 to 1.2 13.8 to 17.7 Cobalt 1 to 2.1 1.02 to 17.7 Iron 110 to 890 307 to 21,200 Manganese 110 to 910 94 to 3,700 pH 6.2 to 7.45 5.39 to 6.4 and 8.98 to 11.44 Sulfate 29,800 to 41,300 368,000 to 416,000 Thallium 0.1 to 0.019 0.018 to 0.25 TDS 175,000 to 252,000 690,000 to 873,000 Vanadium <1.0 to 2.6 0.3 to 8.4 Notes 1. µg/L = micrograms per liter Page 1 of 1 Table 10-16. Range of Constituent Concentrations and Comparison to Range of Background Groundwater Concentrations – Off-Site Constituent Background Groundwater Concentrations (Range, µg/L) Groundwater Concentrations Off-Site in Exceedance of 2L Standards (Range, µg/L) Iron 110 to 890 140 to 840 Manganese 110 to 910 270 to 300 Sulfate 29,800 to 41,300 88,500 to 307,000 TDS 175,000 to 252,000 325,000 to 705,000 Vanadium <1.0 to 2.6 0.67 to 1.5 Notes 1. µg/L = micrograms per liter Ta b l e 1 0 - 1 7 . G r o u n d w a t e r S p e c i a t i o n R e s u l t s As ( I I I ) A s ( V ) C h r o m i u m ( V I ) F e ( I I ) F e ( I I I ) M n ( I I ) M n ( I V ) S e ( I V ) S e ( V I ) 77 8 4 - 4 6 - 5 1 0 1 0 3 - 6 0 - 3 1 8 5 4 0 - 2 9 - 9 1 3 4 5 - 2 5 - 1 1 3 0 9 - 3 7 - 1 1 3 4 4 - 4 3 - 0 1 3 1 3 - 1 3 - 9 1 0 1 0 2 - 1 8 - 8 1 3 4 1 0 - 0 1 - 0 TT T T T T T T T ug / l u g / l u g / l u g / l u g / l u g / l u g / l u g / l u g / l Sa m p l e N a m e S a m p l e I D S a m p l e D a t e Gr o u n d w a t e r AB - 1 0 D 2 0 1 5 0 2 1 2 2 8 6 / 2 4 / 2 0 1 5 0 . 4 3 9 0 . 1 4 3 4 . 5 1 2 0 U 2 0 U J 5 U J 1 3 . 1 0 . 5 U 0 . 5 U AB - 2 5 D 2 0 1 5 0 2 2 1 5 1 6 / 2 6 / 2 0 1 5 0 . 1 8 9 0 . 3 2 5 0 . 0 3 9 J + 2 0 U 2 0 U 2 1 3 5 . 7 6 0 . 5 U 0 . 5 U AB - 3 0 D 2 0 1 5 0 2 1 2 2 9 6 / 2 4 / 2 0 1 5 0 . 1 5 8 0 . 1 2 1 . 3 8 1 0 . 1 2 0 U 2 9 2 8 5 . 2 0 . 5 U 0 . 5 U AB - 3 0 S 2 0 1 5 0 2 2 1 0 0 6 / 2 9 / 2 0 1 5 0 . 2 U 0 . 2 U 0 . 0 2 6 J + 1 3 . 9 2 0 U 1 5 4 0 2 . 5 U J 0 . 5 U 0 . 5 U AB - 3 5 B R 2 0 1 5 0 2 1 6 0 1 6 / 2 5 / 2 0 1 5 9 . 8 4 J 0 . 6 6 0 . 8 7 1 J 7 . 3 J + 2 0 U J 4 0 6 J + 1 6 . 9 J + 0 . 5 U 0 . 5 U J AS - 4 D 2 0 1 5 0 2 2 1 4 6 6 / 2 6 / 2 0 1 5 1 . 4 1 0 . 2 U 0 . 0 0 7 J + 1 4 8 2 0 U 9 5 1 1 U J 0 . 5 U 0 . 5 U AS - 8 D 2 0 1 5 0 2 2 1 4 7 6 / 2 6 / 2 0 1 5 0 . 5 9 3 0 . 2 U 0 . 0 0 8 J + 9 7 4 2 8 3 0 0 1 2 1 0 6 . 4 6 0 . 5 U 0 . 5 U GW A - 1 0 D 2 0 1 5 0 2 2 1 4 8 6 / 2 6 / 2 0 1 5 0 . 2 U 0 . 2 U 0 . 1 0 5 9 2 2 0 U 2 9 6 1 U J 0 . 0 9 1 0 . 5 U MW - 2 1 D 2 0 1 5 0 2 1 2 0 7 6 / 2 4 / 2 0 1 5 0 . 2 U 0 . 2 U 0 . 0 1 0 3 1 9 2 4 3 1 1 0 2 0 1 7 . 4 0 . 5 U 0 . 5 U MW - 2 1 S 2 0 1 5 0 2 1 2 2 6 6 / 2 4 / 2 0 1 5 1 . 0 4 1 7 . 9 0 . 0 2 9 J + 2 0 U 7 . 1 6 4 5 2 4 . 6 0 . 5 U 0 . 5 U MW - 2 2 S 2 0 1 5 0 2 1 6 0 8 6 / 2 5 / 2 0 1 5 0 . 5 6 J 0 . 2 U 0 . 0 1 J + 1 5 7 0 0 J + 1 0 0 0 U J 1 0 4 0 J + 1 U J 0 . 5 U 0 . 5 U J MW - 2 3 D 2 0 1 5 0 2 2 2 7 7 6 / 3 0 / 2 0 1 5 0 . 2 U 0 . 2 0 3 0 . 0 8 9 J 2 0 U 2 0 U 5 3 . 4 J 3 1 1 J 0 . 5 U 0 . 5 U J OW - 3 0 8 D 2 0 1 5 0 2 1 6 0 6 6 / 2 5 / 2 0 1 5 4 3 2 J - 6 8 . 9 0 . 0 5 U J 3 4 5 0 0 J + 1 4 4 0 J + 5 7 0 J + 1 U J 0 . 5 U 0 . 2 7 7 J OW - 3 1 0 D 2 0 1 5 0 2 1 2 0 8 6 / 2 4 / 2 0 1 5 6 9 8 4 1 . 5 0 . 0 5 U 1 0 9 0 2 5 5 1 4 4 0 1 U 0 . 5 U 0 . 5 U An a l y t e CA S R N Fr a c t i o n Re s u l t U n i t Page 1 of 1 Ta b l e 1 0 - 1 8 . G r o u n d w a t e r R a d i o l o g i c a l T e s t i n g R e s u l t s Ra d i u m - 2 2 6 R a d i u m - 2 2 8 U r a n i u m , N a t u r a l U R A N I U M - 2 3 3 U R A N I U M - 2 3 4 U R A N I U M - 2 3 6 13 9 8 2 - 6 3 - 3 1 5 2 6 2 - 2 0 - 1 7 4 4 0 - 6 1 - 1 1 3 9 6 8 - 5 5 - 3 1 3 9 6 6 - 2 9 - 5 1 3 9 8 2 - 7 0 - 2 TT T T T T pC i / L p C i / L u g / m L u g / m L u g / m L u g / m L Sa m p l e N a m e S a m p l e I D S a m p l e D a t e Gr o u n d w a t e r AB - 1 0 D 2 0 1 5 0 2 1 4 0 3 6 / 2 4 / 2 0 1 5 1 . 0 2 2 . 0 3 J 0 . 0 0 1 6 0 . 0 0 0 0 5 U 0 . 0 0 0 0 5 U 0 . 0 0 0 0 5 U AB - 2 5 B R 2 0 1 5 0 2 1 5 2 3 6 / 2 6 / 2 0 1 5 5 . 4 7 3 U 0 . 0 0 1 3 0 . 0 0 0 0 5 U 0 . 0 0 0 0 5 U 0 . 0 0 0 0 5 U AB - 2 5 D 2 0 1 5 0 2 1 5 2 0 6 / 2 6 / 2 0 1 5 0 . 4 9 9 J 3 U 0 . 0 0 1 2 8 0 . 0 0 0 0 5 U 0 . 0 0 0 0 5 U 0 . 0 0 0 0 5 U BG - 5 D 2 0 1 5 0 2 1 0 7 9 6 / 2 3 / 2 0 1 5 0 . 8 9 7 1 . 4 6 0 . 0 0 1 1 3 0 . 0 0 0 0 5 U 0 . 0 0 0 0 5 U 0 . 0 0 0 0 5 U BG - 5 S 2 0 1 5 0 2 1 4 0 2 6 / 2 4 / 2 0 1 5 1 . 2 2 3 U 0 . 0 0 0 1 3 5 J 0 . 0 0 0 0 5 U 0 . 0 0 0 0 5 U 0 . 0 0 0 0 5 U MW - 1 1 2 0 1 5 0 2 1 5 1 8 6 / 2 9 / 2 0 1 5 1 U J 3 U 0 . 0 0 0 1 9 7 J 0 . 0 0 0 0 5 U 0 . 0 0 0 0 5 U 0 . 0 0 0 0 5 U MW - 1 1 D 2 0 1 5 0 2 1 5 1 9 6 / 2 9 / 2 0 1 5 2 . 0 2 3 U 0 . 0 0 0 3 9 1 0 . 0 0 0 0 5 U 0 . 0 0 0 0 5 U 0 . 0 0 0 0 5 U An a l y t e CA S R N Fr a c t i o n Re s u l t U n i t Page 1 of 1 Table 11-1. Soil/Material Properties for Ash, Fill, Alluvium, and Soil/Saprolite Plastic Limit (PL) Liquid Limits (LL) Plasticity Index (PI) Coarse7 Fine8 Coarse9 Medium10 Fine11 Silt12 Clay13 AB-5S UD 9-11 Fly Ash ML 2.324 37.9 NP NV NP 0.0 0.0 0.3 1.0 11.1 61.6 26.0 43.7%2.2E-06 4.3 A AB-1S Jar 15-18 Fly Ash --58.9 ---0.0 3.5 4.0 8.3 34.9 45.8 3.5 --23.5 A AB-20D Jar 6-9 Fly Ash --27.4 ---0.0 0.9 1.4 5.0 43.6 48.6 0.5 --24.0 A AB-25S UD 10-12.5 Brown Silty Sand SM 2.719 23.0 28 32 4 0.0 11.6 7.1 6.0 29.7 30.8 14.8 41.4%3.0E-06 15.0 A AB-35BR UD 16-18 Fly Ash ML 2.087 50.0 NP NV NP 0.0 0.8 0.3 0.8 15.2 79.8 3.1 49.5%1.8E-04 12.0 A AB-35BR Jar 18-19.5 Fly Ash --51.6 ---0.0 9.8 2.5 3.7 26.7 54.2 3.1 --21.0 A AS-4D Jar 3-4 Fly Ash --40.5 ---0.0 2.2 7.3 11.9 34.3 35.0 9.3 --20.0 A AS-4D UD 5-7 Fly Ash SM 1.993 50.5 NP NV NP 0.0 2.8 2.3 12.7 54.6 25.3 2.3 70.7%4.7E-04 29.0 A AS-8D Jar 5-6.5 Fly Ash --40.4 ---0.0 0.0 0.4 1.8 17.2 70.0 10.6 --10.0 A GWA-8D UD 5-7 Fly Ash ML 2.193 41.2 NP NV NP 0.0 1.8 1.6 2.8 20.5 60.5 12.8 66.1%4.1E-04 17.5 A MW-303BR Jar 5-6.5 Olive-Brown Sandy Silt --21.2 ---0.0 10.1 9.9 6.8 18.2 26.1 28.9 --4.8 A MW-311BR UD 19-21 Fly Ash ML 2.132 52.9 NP NV NP 0.0 0.5 0.2 1.3 13.9 65.7 18.4 54.6%2.9E-05 7.0 A MW-311BR UD 39-41 Fly Ash SM 2.201 35.1 NP NV NP 2.0 8.9 7.2 9.4 30.2 38.0 4.3 43.6%4.9E-05 24.0 A AB-5SL UD 8.4-10.4 Brown Silty, Clayey Sand SC-SM 2.661 18.2 23 30 7 0.0 10.5 10.2 9.0 27.4 31.1 11.8 33.7%8.9E-07 18.0 F AB-10D Jar 5-6.5 Orange-Brown Sandy Silt --18.6 ---0.0 3.2 10.0 6.9 23.2 30.3 26.4 --5.0 F AB-10SL UD 5-7 Brown Silty Sand SM 2.693 19.8 27 32 5 0.0 5.1 5.3 12.4 30.3 31.6 15.3 37.1%1.2E-06 15.0 F AB-30BR UD 15-17 Brown Clayey Sand SC 2.646 20.3 20 28 8 0.0 12.8 6.0 7.0 37.7 19.9 16.6 35.4%2.3E-07 14.5 F AB-30D Jar 10-11.5 Brown Clayey Silty Sand --17.2 ---0.0 7.8 2.6 9.8 33.9 30.1 15.8 --14.0 F AB-25S UD 51-53.5 Brown Micaceous Lean Clay with Sand CL 2.686 33.5 25 39 14 0.0 0.0 0.0 0.2 20.8 45.3 33.7 47.4%7.51E-07 3.5 S AB-30BR UD 32-34 Brown Micaceous Sandy Silt ML 2.726 24.4 24 27 3 0.0 0.0 0.0 0.2 48.6 32.0 19.2 39.4%3.55E-06 11.0 S AB-30BR UD 43-44.1 Orange-Brown Micaceous Clayey Sand SC 2.736 24.2 20 31 11 0.0 0.0 0.0 0.5 51.6 22.0 25.9 42.5%4.62E-08 6.0 S AB-30D Jar 40-41.5 Olive-Brown Sandy Silt --18.8 ---0.0 1.0 3.2 5.1 36.7 27.4 26.6 --5.0 S GWA-6S Jar 7-8 Tan-Brown Sand --4.1 ---0.0 0.0 0.0 4.3 90.7 3.0 2.0 --40.0 S GWA-6S Jar 13-15 Brown Micaceous Silty Sand --31.5 ---0.0 0.0 0.0 0.3 56.8 26.9 16.0 --14.5 S MW-22BR Jar 23-26 Grey Silty Sand with Gravel --7.6 ---10.7 27.1 7.4 18.0 25.3 8.7 2.8 --35.0 S BG-5D Jar 5-7 Orange-Brown Sandy Silt --20.1 ---0.0 0.0 0.7 3.5 24.3 31.8 39.7 --2.5 M1 BG-5D UD 7-9.25 Grey-Brown Fat Clay CH 2.662 34.6 26 59 33 0.0 0.0 0.0 0.7 6.9 42.7 49.7 47.6%3.0E-08 0.8 M1 GWA-1S UD 34-36 Light-Brown Clayey Sand with Gravel SC 2.723 18.2 23 34 11 0.0 26.8 16.2 19.7 12.3 16.2 8.8 39.4%1.7E-06 24.0 M1 GWA-2S UD 5-6.6 Brown Silty Sand SM 2.606 24 31 7 0.0 2.5 2.3 4.9 43.7 22.6 24.0 --7.5 M1 GWA-7D Jar 5-6.5 Orange-Brown Sandy Silt --20.5 ---0.0 0.1 0.4 4.0 37.4 45.4 12.7 --15.0 M1 Estimated Specific Yield/Effective Porosity (%)14 Borehole Sample Category Depth (ft)Material Description USCS1 Specific Gravity2 Natural Moisture Content3 (%) Atterberg Limits4 GRAIN SIZE5 Total Porosity2 (%) Vertical Hydraulic Conductivty6, kv20, (cm/sec) Hydrostratigraphic Layer% Gravel % Sand % Fines Page 1 of 2 Table 11-1. Soil/Material Properties for Ash, Fill, Alluvium, and Soil/Saprolite Plastic Limit (PL) Liquid Limits (LL) Plasticity Index (PI) Coarse7 Fine8 Coarse9 Medium10 Fine11 Silt12 Clay13 Estimated Specific Yield/Effective Porosity (%)14 Borehole Sample Category Depth (ft)Material Description USCS1 Specific Gravity2 Natural Moisture Content3 (%) Atterberg Limits4 GRAIN SIZE5 Total Porosity2 (%) Vertical Hydraulic Conductivty6, kv20, (cm/sec) Hydrostratigraphic Layer% Gravel % Sand % Fines GWA-9D Jar 15-16.5 Tan-Brown Silty Sand --12.1 ---0.0 0.0 0.0 0.5 48.9 27.5 23.1 --8.5 M1 GWA-9S UD 5-6.25 Brown Silty Sand SM 2.664 21.8 26 38 12 0.0 0.0 0.0 0.2 51.8 22.0 26.0 45.1%1.3E-04 6.0 M1 GWA-9S UD 30-31.75 Brown Silty Sand SM 2.645 24.6 NP NV NP 0.0 0.0 0.4 1.9 63.4 24.0 10.3 43.4%1.0E-05 20.0 M1 GWA-11D Jar 10-11.5 Tan-Brown Silty Sand --17.2 ---0.0 2.1 1.2 7.8 39.0 27.5 22.4 --9.0 M1 AB-10SL UD 48-49 Brown Sandy Lean Clay CL 2.704 20.9 17 31 14 0.0 0.0 0.1 1.4 35.9 35.1 27.5 36.9%2.7E-07 4.8 M1/M2 AB-25BR Jar 65-66.5 Brown Silty Sand --13.5 ---0.0 0.0 0.3 10.0 60.5 20.2 9.0 --23.0 M2 AS-8D UD 28.5-28.7 Fly Ash ML 2.255 -NP NV NP 0.0 0.1 0.3 2.2 14.4 62.0 21.0 --6.0 M2 BG-5D Jar 21-23 Brown Gravel with Silt and Sand --8.9 ---55.6 14.3 7.9 7.8 4.5 6.7 3.2 --35.0 M2 BG-5S UD 13-14 Brown Clayey Sand with Gravel SC 2.609 22.7 18 35 17 0.0 21.0 18.6 5.5 15.2 20.4 19.3 40.5%1.2E-07 12.0 M2 GWA-3D Jar 15-16.5 Red-Brown Silty Sand --14.4 ---0.0 9.4 9.5 8.3 31.9 30.1 10.8 --19.0 M2 GWA-3D Jar 27.5-27.9 Brown Silty Sand --9.2 ---0.0 1.5 1.8 4.9 44.5 26.0 21.3 --10.0 M2 GWA-3S UD 25-25.8 Brown Poorly Graded Gravel with Silt and Sand GP-GM 2.682 NP NV NP 17.6 41.3 15.0 7.7 7.6 8.2 2.6 --35.0 M2 GWA-5BR UD 11-11.9 Olive-Brown Clayey Gravel with Sand GC 2.723 26.3 16 30 14 11.6 24.1 14.0 8.0 12.6 15.9 13.8 42.3%4.3E-08 17.5 M2 GWA-7D Jar 36.5-36.9 Brown Silty Sand --16.2 ---0.0 14.6 11.5 19.4 16.3 31.4 6.8 --23.0 M2 GWA-7S UD 37-37.5 Brown Clayey Sand with Gravel SC 2.729 24.9 22 32 10 0.0 18.0 9.5 12.5 14.7 33.2 12.1 42.7%9.2E-07 17.5 M2 GWA-9D Jar 45-45.3 Brown Micaceous Silty Sand --12.8 ---0.0 0.0 0.2 16.7 53.9 20.6 8.6 --23.0 M2 GWA-11D Jar 27.9-28.4 Gray-Brown Sandy Silt --13.7 ---0.0 11.2 9.5 5.8 18.9 29.9 24.7 --6.0 M2 GWA-11S UD 23-25 Brown Silty Sand with Gravel SM 2.787 12.4 26 32 6 0.0 15.5 23.3 22.2 14.6 20.5 3.9 36.0%6.0E-07 29.0 M2 GWA-12S UD 13-15 Tan-Brown Silty Sand with Gravel SM 2.772 -27 41 14 0.0 19.9 15.6 17.1 18.6 15.0 13.8 --17.5 M2 MW-22BR UD 27-27.2 Brown Poorly Graded Gravel with Silt and Sand GP-GM 2.613 -NP NV NP 34.8 30.6 9.0 5.9 11.5 5.9 2.3 --37.0 M2 MW-23BR UD 9-9.4 Black-Brown Clayey Sand with Gravel SC 2.655 28.5 21 37 16 0.0 16.2 20.6 15.8 14.5 16.2 16.7 47.8%2.4E-07 14.5 M2 Notes: 1. ASTM Standard D 2487, Standard Practice for Classification of Soils for Engineering Purposes (Unified Soil Classification System) 2. ASTM Standard D 854, "Standard Test Methods for Specific Gravity of Soil Solids by Water Pycnometer" 3. ASTM Standard D 2216, "Standard Test Methods for Laboratory Determination of Water (Moisture) Content of Soil and Rock by Mass 4. ASTM Standard D 4318, "Standard Test Methods for Liquid Limit, Plastic Limit, and Plasticity Index of Soils 5. ASTM Standard D 422, "Standard Test Method for Particle-Size Analysis of Soils 6. ASTM Standard D 5084, "Standard Test Methods for Measurement of Hydraulic Conductivity of Saturated Porous Materials Using a Flexible Wall Permeameter" 7. Coarse Gravel: 19.0mm – 75mm 8. Fine Gravel: 4.75mm – 19.0mm 9. Coarse Sand: 2.0mm – 4.75mm 10. Medium Sand: 0.425mm – 2.0mm 11. Fine Sand: 0.075mm – 0.425mm 12. Silt: 0.005mm – 0.075mm 13. Clay: <0.005mm 15. Effective porosity and specific yield are not synonymous. For practical purposes, they may be estimated as approximately equal in value. 14. All columns directly derived from laboratory analyses except "Estimated Specific Yield/Effective Porosity." Specific yield/effective porosity estimated from soil testing using Fetter/Bear Diagrams (Johnson, 1967). Page 2 of 2 Page 1 of 1 Table 11-2. Field Permeability Test Results Borehole Test Category Depth 1 of Test (ft bgs) Depth 2 of Test (ft bgs) Horizontal Hydraulic Conductivity 'k' (cm/sec) Vertical Hydraulic Conductivity 'k' (cm/sec) Hydrostratigraphic Layer AB-35BR Packer 45 53.2 2.00E-05 - BR AB-35BR Packer 58 66.2 1.10E-05 - BR AB-35BR Packer 71 79.2 No Take at Maximum Pressure of 53 psi - BR AS-2D Well Point - Falling Head 51 56 1.50E-05 - TZ AS-8BR Packer 92 98.6 1.50E-05 - BR AS-8BR Packer 63 69.1 3.20E-04 - BR AS-8D Well Point - Falling Head 46 51 4.00E-06 - BR BG-5D Well Point - Falling Head 25 29 3.60E-05 - TZ BG-5S Well Point - Falling Head 15 19 2.70E-05 - M2 GWA-11D Well Point - Falling Head 27.5 31.7 5.60E-05 - TZ GWA-14D Well Point - Falling Head 9.5 14.4 2.20E-05 - BR GWA-2S Flush Bottom 7 - - 3.80E-06 M1 GWA-2S Flush Bottom 16 - - 9.80E-06 M2 GWA-3D Well Point - Falling Head 28 31.6 2.40E-05 - TZ GWA-4D Well Point - Falling Head 41 46 2.70E-05 - BR GWA-5BR Packer 28 33 4.20E-05 - BR GWA-7D Well Point - Constant Head 41 46 1.50E-04 - TZ GWA-8D Well Point - Falling Head 27 32 6.20E-05 - TZ GWA-8S Well Point - Falling Head 10 15 7.00E-07 - M1 GWA-8S Flush Bottom 17.5 - - 4.80E-05 M2 GWA-8S Well Point - Falling Head 17.8 23 9.30E-07 - M2 GWA-9D Well Point - Falling Head 59 64 8.50E-06 - TZ GWA-9S Well Point - Falling Head 35 40 6.00E-07 - M2 GWA-9S Well Point - Falling Head 40 45 4.60E-07 - M2 MW -23BR Packer 60 63 3.10E-04 - BR MW -23BR Packer 37.9 40 4.20E-04 - BR MW -23BR Packer 18.9 25 No Take at Maximum Pressure of 15 psi - BR MW -301BR Well Point - Falling Head 32.5 37.5 4.10E-05 - BR MW -301BR Packer 76.5 82.5 1.00E-05 - BR MW -301BR Packer 48.3 54.4 1.30E-05 - BR MW -301BR Packer 35 41.1 1.40E-04 - BR MW -303BR Packer 98 103.1 4.70E-05 - TZ MW -303BR Packer 103 109.1 6.70E-05 - BR MW -303BR Packer 143 150.5 4.90E-05 - BR MW -315BR Well Point - Falling Head 53 58 7.00E-05 - TZ MW -315BR Packer 64 70.1 8.80E-05 - BR MW -315BR Packer 90 96.1 3.70E-06 - BR MW -315BR Packer 98 104.3 1.40E-05 - BR MW -317BR Packer 71 78.3 2.10E-04 - BR MW -317BR Packer 83 89.2 5.00E-04 - BR MW -317BR Packer 63 71.3 4.30E-05 - BR Notes: 1. Refer to Section 11.2.1 for procedures. 2. Refer to Appendix H for calculation worksheets. 3. For the pressure test, the thickness of saturated material above a relatively impermeable bed is assumed to be 600 feet for a f ractured bedrock system. Water flow at this depth or greater in such systems is well documented in the Piedmont region (Daniel et al., 1989). Page 1 of 1 Table 11-3. Slug Test Permeability Results Borehole Type of Test Depth 1 of Test (ft bgs) Depth 2 of Test (ft bgs) Horizontal Hydraulic Conductivity 'k' (cm/sec) Hydrostratigraphic Layer AB-10D Rising Head Slug 77 82 2.20E-04 BR AB-10S Rising Head Slug 15 30 2.40E-04 F AB-10SL Rising Head Slug 43 48 7.10E-06 S AB-25BR Rising Head Slug 144 149 1.10E-04 BR AB-25D Rising Head Slug 82 87 2.60E-04 TZ AB-25S Rising Head Slug 30 45 2.60E-04 S AB-30BR Rising Head Slug 109 114 4.60E-04 BR AB-30D Rising Head Slug 54 59 1.50E-04 BR AB-30S Rising Head Slug 15 30 3.50E-03 F AB-35BR Rising Head Slug 81 86 4.40E-04 BR AB-5D Rising Head Slug 34 39 1.20E-03 BR AB-5S Rising Head Slug 7 22 1.20E-04 F AS-10D Rising Head Slug 38 43 4.20E-05 BR AS-12S Rising Head Slug 13.9 23.9 8.50E-05 M2 AS-4D Rising Head Slug 35 40 1.40E-03 TZ AS-6D Rising Head Slug 56 61 1.60E-03 TZ BG-5D Rising Head Slug 28 33 7.30E-04 TZ BG-5S Rising Head Slug 10.5 20.5 7.70E-04 M2 GWA-10D Rising Head Slug 33 38 1.30E-04 TZ/BR GWA-11D Rising Head Slug 29.5 34.5 1.90E-04 BR GWA-11S Rising Head Slug 10 25 8.00E-04 M2 GWA-12D Rising Head Slug 27 32 1.60E-04 BR GWA-14D Rising Head Slug 11.5 16.5 6.00E-04 BR GWA-15D Rising Head Slug 26 31 1.00E-03 TZ GWA-1D Rising Head Slug 114 119 3.40E-04 BR GWA-1S Rising Head Slug 30 45 1.40E-05 M2 GWA-2D Rising Head Slug 56 61 1.20E-04 BR GWA-2S Rising Head Slug 16 31 2.80E-05 M2 GWA-3D Rising Head Slug 34 39 2.80E-05 TZ/BR GWA-3S Rising Head Slug 13.8 23.8 1.40E-05 M2 GWA-4D Rising Head Slug 43 48 9.50E-05 BR GWA-4S Rising Head Slug 20 35 1.70E-04 M2 GWA-5BR Rising Head Slug 55 60 6.00E-04 BR GWA-6D Rising Head Slug 29 34 1.90E-04 BR GWA-6S Rising Head Slug 9 19 1.80E-05 S GWA-8D Rising Head Slug 35 40 3.00E-04 TZ GWA-8S Rising Head Slug 6.3 21.3 2.20E-04 M1/M2 GWA-9D Rising Head Slug 67 72 1.60E-03 TZ GWA-9S Rising Head Slug 32 37 2.90E-04 M1 MW -22BR Rising Head Slug 58 63 4.20E-05 BR MW -301BR Rising Head Slug 37 42 3.50E-04 BR MW -303BR Rising Head Slug 137 142 6.80E-04 BR MW -306BR Rising Head Slug 102 107 1.60E-03 BR MW -308BR Rising Head Slug 77 82 1.90E-04 BR MW -310BR Rising Head Slug 73 78 6.70E-04 BR MW -311BR Rising Head Slug 120 125 6.10E-04 BR MW -314BR Rising Head Slug 69 74 1.30E-04 BR MW -315BR Rising Head Slug 59.7 74.7 6.40E-05 BR MW -317BR Rising Head Slug 83 88 5.50E-04 BR MW -318D Rising Head Slug 44.5 49.5 1.40E-04 TZ Notes: 1. Refer to Appendix H for procedures. 2. Refer to Appendix H for full report. Page 1 of 1 Table 11-4. Historic Slug Test Permeability Results Borehole Test Interval Depth 1 (ft) Test Interval Depth 2 (ft) Horizontal Hydraulic Conductivity 'k' (cm/sec) Hydrostratigraphic Layer MW -9D1 63.4 68.4 3.90E-04 BR MW -10D1 65 70 1.30E-03 TZ MW -11D1 48.3 53.3 7.40E-07 BR MW -12D1 37.3 42.3 4.40E-03 TZ MW -20D2 4 19 2.40E-04 M1, M2 MW -20D2 36.5 41.5 1.50E-03 TZ MW -21D2 3.5 8.5 2.20E-03 M1 MW -21D2 13.6 18.6 7.40E-05 BR MW -23D2 6.7 16.7 4.70E-05 M1, M2, TZ References: 1. Ash Basin Monitoring Well Installation Report. Developed by S&ME, dated February 11, 2008. S&ME Project No. 1264-06-130. 2. Ash Basin Monitoring Well Installation Report. Developed by MACTEC, dated January 31, 2011 and January 3, 2012. MACTEC Project No. 6228-10-5284.05 Notes: 1. See referenced reports for procedures and results. Page 1 of 1 Table 11-5. Laboratory Permeability Test Results Borehole Test Category Depth 1 of Test (ft bgs) Depth 2 of Test (ft bgs) Vertical Hydraulic Conductivity 'k' (cm/sec) Hydrostratigraphic Layer AB-10SL Laboratory Conductivity 5 7 1.20E-06 F AB-10SL Laboratory Conductivity 48 49 2.70E-07 S AB-25S Laboratory Conductivity 10 12.5 3.00E-06 A AB-25S Laboratory Conductivity 51 53.5 7.50E-07 S AB-30BR Laboratory Conductivity 15 17 2.30E-07 F AB-30BR Laboratory Conductivity 32 34 3.60E-06 S AB-30BR Laboratory Conductivity 43 44.1 4.60E-08 S AB-35BR Laboratory Conductivity 16 18 1.80E-04 A AB-5S Laboratory Conductivity 9 11 2.20E-06 A AB-5SL Laboratory Conductivity 8.4 10.4 8.90E-07 F AS-4D Laboratory Conductivity 5 7 4.70E-04 A BG-5D Laboratory Conductivity 7 9.3 3.00E-08 M1 BG-5S Laboratory Conductivity 13 14 1.20E-07 M2 GWA-11S Laboratory Conductivity 23 25 6.00E-07 M2 GWA-14D Laboratory Conductivity 4 6 1.10E-05 M1 GWA-1S Laboratory Conductivity 34 36 1.70E-06 M1 GWA-5BR Laboratory Conductivity 11 11.9 4.30E-08 M2 GWA-7S Laboratory Conductivity 37 37.5 9.20E-07 M2 GWA-8D Laboratory Conductivity 5 7 4.10E-04 A GWA-9S Laboratory Conductivity 5 6.3 1.30E-04 M1 GWA-9S Laboratory Conductivity 30 31.8 1.00E-05 M1 MW -23BR Laboratory Conductivity 9 9.4 2.40E-07 M2 MW -311BR Laboratory Conductivity 19 21 2.90E-05 A MW -311BR Laboratory Conductivity 39 41 4.90E-05 A Page 1 of 1 Table 11-6. Total Porosity for Upper Hydrostratigraphic Units (A, F, S, M1, and M2) Hydrostratigraphic Unit N Mean (%) Median (%) Mean + 1SD (%) Mean - 1SD (%) Minimum (%) Maximum (%) Ash 13 45.9 44.9 49.7 42.2 43.0 56.8 Fill 5 42.1 40.8 45.1 39.0 39.1 46.0 Alluvium (S) 6 44.3 44.3 46.5 42.0 41.4 47.4 M1 8 46.0 45.1 50.2 41.9 41.4 55.3 M2 10 43.7 44.0 45.5 41.9 39.5 46.1 Notes: 1. Total porosity estimated from soil testing, using both Fetter/Bear Diagrams (Johnson, 1967) and results from Laboratory Conductivity testing. Page 1 of 1 Table 11-7. Estimated Effective Porosity/Specific Yield and Specific Storage for Upper Hydrostratigraphic Units (A, F, S, M1, and M2) Hydrostratigraphic Unit Effective Porosity/Specific Yield (%) Specific Storage (1/ft) N Mean (%) Median (%) Mean + 1SD (%) Mean - 1SD (%) Minimum (%) Maximum (%) Ash 13 15.4 15.0 24.0 6.8 4.3 29.0 - Fill 5 13.4 14.5 18.3 8.5 5.0 18.0 6.1E-05 - 4.0E-05 Alluvium (S) 8 15.0 8.5 29.4 0.5 3.5 40.0 3.0E-04 - 1.5E-05 M1 10 11.1 8.8 18.8 3.4 0.8 24.0 3.0E-04 - 1.5E-05 M2 13 22.4 23.0 31.9 13.0 6.0 37.0 1.5E-05 - 6.2E-05 Notes: 1. Effective porosity/specific yield estimated from soil testing using Fetter/Bear Diagrams (Johnson, 1967). 2. Effective porosity and specific yield are not synonymous. For practical purposes, they may be estimated as approximately equal in value. 3. Specific Storage ranges based on published values (Domenico and Mifflin, 1965). Alluvium and M1 fall within the same range of values. Page 1 of 1 Table 11-8. Hydrostratigraphic Layer Properties – Horizontal Hydraulic Conductivity Hydrostratigraphic Unit N Geometric Mean (cm/sec) Geometric Mean + 1SD (cm/sec) Geometric Mean - 1SD (cm/sec) Geometric Median (cm/sec) Minimum (cm/sec) Maximum (cm/sec) Ash 8 2.3E-04 3.2E-03 1.7E-05 3.2E-04 4.0E-06 1.2E-02 Fill 3 4.7E-04 2.8E-03 7.9E-05 2.4E-04 1.2E-04 3.5E-03 Alluvium (S) 3 3.2E-05 2.1E-04 7.9E-05 1.8E-05 1.2E-04 2.6E-04 M1 3 7.6E-05 5.0E-03 1.2E-06 2.9E-04 7.0E-07 2.2E-03 M2 11 2.1E-05 2.9E-04 1.5E-06 2.7E-05 4.6E-07 8.0E-04 Transition Zone (TZ) 20 2.0E-04 1.2E-03 3.3E-05 1.5E-04 8.5E-06 4.4E-03 Bedrock (BR) 50 1.1E-04 5.9E-04 2.1E-05 1.4E-04 7.4E-07 1.6E-03 Notes: 1. Hydraulic Conductivity, ‘k,’ values have an approximate lognormal distribution. Geometric mean, median, and standard deviation estimated by taking the log of the values and running standard statistics on the log values, then converting those values back. 2. Assume the two horizontal 'k’ components are equal (kx=ky). 3. Ash horizontal 'k' values derived from other CSA investigation sites. Allen, Belews Creek, Buck, Cliffside -Rogers, and Riverbend Steam Stations' initial data used in Ash horizontal 'k' value statistical analysis. Page 1 of 1 Table 11-9. Hydrostratigraphic Layer Properties – Vertical Hydraulic Conductivity Hydrostratigraphic Unit N Geometric Mean (cm/sec) Geometric Mean + 1SD (cm/sec) Geometric Mean - 1SD (cm/sec) Geometric Median (cm/sec) Minimum (cm/sec) Maximum (cm/sec) Ash 7 4.4E-05 4.0E-04 4.9E-06 4.9E-05 2.2E-06 4.7E-04 Fill 3 6.2E-07 1.5E-06 2.6E-07 8.8E-07 2.3E-07 1.2E-06 Alluvium (S) 4 4.3E-07 2.6E-06 6.9E-08 4.6E-08 4.6E-08 3.5E-06 M1 6 3.7E-06 6.0E-05 2.3E-07 6.2E-06 3.0E-08 4.8E-05 M2 7 8.5E-07 1.0E-05 7.2E-08 6.0E-07 4.3E-08 4.8E-05 Transition Zone (TZ) 0 - - - - - - Bedrock (BR) 0 - - - - - - Notes: 1. Hydraulic Conductivity, ‘k,’ values have an approximate lognormal distribution. Geometric mean, median, and standard deviation estimated by taking the log of the values and running standard statistics on the log values, then converting those values back. Page 1 of 1 Table 11-10. Total Porosity, Secondary (Effective) Porosity/Specific Yield, and Specific Storage for Lower Hydrostratigraphic Units (TZ and BR) Hydrostratigraphic Unit Secondary (Effective) Porosity / Specific Yield (%) Total Porosity (%) Specific Storage (1/ft) Transition Zone (TZ) 0.0005 - 0.01 1.0 - 10.0 1.0E-06 - 2.1E-05 Bedrock (BR) 0.005 0.01 - 1.0 < 1.0E-06 Notes: 1. Ranges based on published values (Domenico and Mifflin, 1965). 2. Effective porosity and specific yield are not synonymous. For practical purposes, they may be estimated as approximately equal in value. Page 1 of 1 Table 11-11. Hydraulic Gradient (Vertical) Well Water Table Elevation (ft, msl) Total Well Depth (ft, bgs) Vertical Gradient (ft/ft) 1,2 BG-5D 507.17 39.6 -0.007 BG-5S 507.29 23 GWA-12D 564.31 37 -0.389 GWA-12S 572.49 16 GWA-9D 580.37 77 -0.04 GWA-9S 581.5 49 GWA-1D 571.01 120 -0.021 GWA-1S 572.58 47 GWA-3D 549.82 41.6 -0.249 GWA-3S 552.96 29 GWA-14D 493.65 24 0.306 GWA-14S 489.05 9 GWA-7D 526.15 56 -0.042 GWA-7S 527.08 34 GWA-6D 483.26 43.6 -0.198 GWA-6S 487.95 20 GWA-8D 567.75 42 -0.021 GWA-8S 568.52 23 GWA-2D 560.28 69 -0.102 GWA-2S 564.12 31.5 GWA-4D 499.95 56 -0.244 GWA-4S 516.36 37 GWA-11D 541.45 41.7 0.07 GWA-11S 540.35 26 GWA-10D 520 45.5 -0.175 GWA-10S 523.07 28 AB-10D 492.14 83 -0.536 AB-10S 520.32 30.5 AB-25D 491.51 94 -0.125 AB-25S 496.57 53.5 AB-30D 490.6 63 -0.736 AB-30S 514.18 31 Notes: 1. Gradient = Water Table Elevation Deep Well - Water Table Elevation Shallow Well Total Depth Deep Well - Total Depth Shallow Well 2. Positive gradients represent upward flow and negative gradients represent downward flow. Table 11-12. Groundwater Velocities Velocity of Hydrostratigraphic Units (ft/yr)Fill Ash Alluvium M1 M2 TZ BR Surficial Aquifer (S wells) GWA-1S/GWA-11S 94.35 40.18 -18.42 2.52 -- GWA-7S/AB-25S 101.61 43.27 6.18 19.84 2.72 -- GWA-8S/GWA-7S 94.35 40.18 -18.42 2.52 -- GWA-12S/BG-5D 137.90 58.72 8.39 26.92 3.69 -- Transition Zone (D wells) GWA-8D/BG-5D -----1.03465+06 - 5.1732+04 - GWA-9D/GWA-10D -----1.15880+06 - 5.7940+04 - GWA-7D/AB-25D -----1.03465+06 - 5.1732+04 - AS-4D/AB-30D -----1.61405+06 - 8.0702+04 - Fractured Bedrock (BR wells) AS-8BR/MW-315BR ------9.1048+04 MW-310BR/MW-311BR ------6.8286+04 MW-303BR/AB-30BR ------1.0243+05 MW-314BR/MW-22BR ------7.2839+04 Notes: 1. Horizontal hydraulic conductivity used for each strategraphic unit are documented in Table 11-5. 2. Horizontal hydraulic gradients used for each strategraphic unit are documented in Section 6.2.2. 3. Effective porosity/specific yield used for each strategraphic unit are documented in Tables 11-8 and 11-9 Page 1 of 1 Table 12-1. Selection of Human Health COPCs - Groundwater T INORGANIC Aluminum 7429-90-5 89 8 -6940 -GWA-10D 5 - 100 100 6.94E+03 2.00E+03 NA NA N 2 T INORGANIC Antimony 7440-36-0 27 0.16 J 2.9 -AS-10D 0.5 - 2.5 2.5 2.90E+00 7.80E-01 NA 1.00E+00 Y 1 T INORGANIC Arsenic 7440-38-2 50 0.13 J 809 -OW-310D 0.5 - 5 5 8.09E+02 5.20E-02 1.00E+01 NA Y 1 T INORGANIC Barium 7440-39-3 100 10 -380 -OW-310D 5 - 10 10 3.80E+02 3.80E+02 7.00E+02 NA Y 1 T INORGANIC Beryllium 7440-41-7 18 0.078 J 3.7 -GWA-7S 0.2 - 1 1 3.70E+00 2.50E+00 NA 4.00E+00 Y 1 T INORGANIC Boron 7440-42-8 60 28 J 1310 -MW-318D 50 - 50 50 1.31E+03 4.00E+02 7.00E+02 NA Y 1 T INORGANIC Cadmium 7440-43-9 9 0.026 J 1.8 -MW-9D 0.08 - 1 1 1.80E+00 9.20E-01 2.00E+00 NA Y 1 T INORGANIC Chromium (Total)7440-47-3 41 0.22 J 30.1 -AB-25BR 0.5 - 5 5 3.01E+01 2.20E+03 1.00E+01 NA Y 1 T INORGANIC Cobalt 7440-48-4 80 0.15 J 29.2 -MW-11 0.5 - 2.5 2.5 2.92E+01 6.00E-01 NA 1.00E+00 Y 1 T INORGANIC Copper 7440-50-8 35 0.25 J+10.9 -MW-9 1 - 5 5 1.09E+01 8.00E+01 1.00E+03 NA N 2 T INORGANIC Iron (Fe)7439-89-6 98 14 -36400 -OW-308D 10 - 50 50 3.64E+04 1.40E+03 3.00E+02 NA Y 1 T INORGANIC Lead 7439-92-1 41 0.048 J 12.5 -MW-20D 0.1 - 1 1 1.25E+01 1.50E+01 1.50E+01 NA N 2 T INORGANIC Manganese (Mn)7439-96-5 99 7 -3700 -GWA-6S 5 - 10 10 3.70E+03 4.30E+01 5.00E+01 NA Y 1 T INORGANIC Mercury 7439-97-6 7 0.072 J 0.81 J+GWA-11S 0.05 - 0.2 0.2 8.10E-01 6.30E-02 1.00E+00 NA Y 1 T INORGANIC Molybdenum 7439-98-7 82 0.11 J 53.5 -OW-310D 0.5 - 2.5 2.5 5.35E+01 1.00E+01 NA NA Y 1 T INORGANIC Nickel 7440-02-0 42 0.19 J 46.9 -GWA-7S 0.5 - 5 5 4.69E+01 3.90E+01 1.00E+02 NA Y 1 T INORGANIC Selenium 7782-49-2 11 0.21 J 35.3 -AS-10D 0.5 - 2.5 2.5 3.53E+01 1.00E+01 2.00E+01 NA Y 1 T INORGANIC Sodium 7440-23-5 100 3140 -43700 -AB-25BR 50 - 5000 5000 4.37E+04 NA NA NA Y 4 T INORGANIC Strontium 7440-24-6 100 10 -3300 -GWA-15D 5 - 10 10 3.30E+03 1.20E+03 NA NA Y 1 T INORGANIC Thallium 7440-28-0 35 0.016 J 0.55 -MW-23BR 0.1 - 0.5 0.5 5.50E-01 2.00E-02 NA 2.00E-01 Y 1 T INORGANIC Titanium 7440-32-6 0 ND -ND -ND 0.2 - 1 1 1.00E+00 NA NA NA N 6 T INORGANIC Vanadium 7440-62-2 81 0.3 J 15.3 -AS-10D 0.3 - 5 5 1.53E+01 8.60E+00 NA 3.00E-01 Y 1 T INORGANIC Zinc 7440-66-6 41 2.6 J+390 -GWA-7S 5 - 10 10 3.90E+02 6.00E+02 1.00E+03 NA N 2 Notes: All units are in ug/L The applicable criteria for chromium III was input as a surrogate for chromium total when none was available. Speciation data for chromium was not available. (1) Maximum concentration. If contaminant was not detected, reporting limit (RL) was entered per 15A NCAC 02L. (2) USEPA Regional Screening Level Generic Tables, Residential Tapwaters, June 2015. http://www.epa.gov/reg3hwmd/risk/human/rb-concentration_table/Generic_Tables/index.htm Target Risk = 1E-06 and Target Hazard Quotient = 0.1 (3) North Carolina 15A NCAC 02L .0202 Groundwater Standards, Effective April 1, 2013. http://portal.ncdenr.org/web/wq/ps/csu/gwstandards (4) North Carolina Interim Maximum Allowable Concentrations (IMAC) http://portal.ncdenr.org/web/wq/ps/csu/gwstandards (5) Rationale for Selection/Deletion: 1 - Contaminant concentration exceeds screening value. 2 - Contaminant concentration and RL are less than screening value. 3 - Contaminant was not found in concentrations exceeding the screening value; however the RL exceeds the screening value. 4 - Contaminant was found in concentrations exceeding its RL; however, there is no current screening value for the contaminant. 5 - Contaminant was not found in concentrations exceeding its RL; however, there is no current screening value for the contaminant. 6 - Contaminant concentration was nondetect and set to equal the RL. Qualifiers: J - Estimated Concentration J+ - Concentration Biased High - No Qualifier Abbreviations: CASRN - Chemical Abstract Service Registry Number COPC - Contaminant of Potential Concern GWQS - Groundwater Quality Standards IMAC - Interim Maximum Allowable Concentrations NA - No Criteria/Not Applicable ND - Not Detected Q - Data Qualifier RL - Reporting Limit RSL - Regional Screening Level US EPA - United States Environmental Protection Agency Groundwater COPC? (Y/N) Rationale for Selection or Deletion (5) 15A NCAC 02L .0202 GWQS (3) NC IMAC (4) Total or Dissolved (T or D) CASRN Frequency of Detection (%) ContaminantContaminant Group Location of Maximum Detected Concentration Range of Detection Limits Concentration Used for Screening (1) USEPA Tapwater RSLs (2) Maximum Reporting Limit Range of Detection Minimum Detected Concentration Q Maximum Detected Concentration Q 1 of 1 Table 12-2. Selection of Human Health COPCs - Soil T INORGANIC Aluminum 7429-90-5 100 2300 -38900 -GWA-12D 5.8 - 62.6 62.6 3.89E+04 1.10E+05 N 2 T INORGANIC Antimony 7440-36-0 0 ND -ND -ND 2.8 - 11.7 11.7 1.17E+01 4.70E+01 N 2 T INORGANIC Arsenic 7440-38-2 38 2.5 J 71.8 -AB-25BR 2.8 - 11.7 11.7 7.18E+01 3.00E+00 Y 1 T INORGANIC Barium 7440-39-3 100 15.1 -397 -MW-310BR 0.58 - 16.6 16.6 3.97E+02 2.20E+04 N 2 T INORGANIC Beryllium 7440-41-7 99 0.16 J 4.2 -MW-315BR 0.06 - 1.1 1.1 4.20E+00 2.30E+02 N 2 T INORGANIC Boron 7440-42-8 16 12.7 J 63.1 -GWA-12D 13.1 - 75.6 75.6 6.31E+01 2.30E+04 N 2 T INORGANIC Cadmium 7440-43-9 3 0.26 J 1.5 -GWA-14S 0.33 - 1.4 1.4 1.50E+00 9.80E+01 N 2 T INORGANIC Chromium (Total)7440-47-3 100 6.4 -187 -GWA-12D 0.3 - 9.3 9.3 1.87E+02 1.80E+05 N 2 T INORGANIC Cobalt 7440-48-4 97 1.7 J 49.6 -MW-303BR 2.8 - 11.7 11.7 4.96E+01 3.50E+01 Y 1 T INORGANIC Copper 7440-50-8 100 2.8 -83.2 -AS-10D 0.3 - 8.3 8.3 8.32E+01 4.70E+03 N 2 T INORGANIC Iron (Fe)7439-89-6 100 5260 -95900 -SB-1 2.3 - 66.4 66.4 9.59E+04 8.20E+04 Y 1 T INORGANIC Lead 7439-92-1 98 3.5 J 87 -AS-8D 2.8 - 8 8 8.70E+01 8.00E+02 N 2 T INORGANIC Manganese (Mn)7439-96-5 100 32.5 J+5170 -GWA-9D 0.3 - 8.3 8.3 5.17E+03 2.60E+03 Y 1 T INORGANIC Mercury 7439-97-6 59 0.0047 J 0.23 -AS-10D 0.008 - 0.013 0.013 2.30E-01 4.00E+00 N 2 T INORGANIC Molybdenum 7439-98-7 19 1.5 J 22.6 -GWA-12D 0.59 - 6.3 6.3 2.26E+01 5.80E+02 N 2 T INORGANIC Nickel 7440-02-0 100 1.2 J 52.2 -SB-1 0.3 - 3.1 3.1 5.22E+01 2.20E+03 N 2 T INORGANIC Selenium 7782-49-2 22 2.7 J 10.2 -GWA-14S 2.8 - 11.7 11.7 1.02E+01 5.80E+02 N 2 T INORGANIC Sodium 7440-23-5 12 35.1 J 516 -MW-310BR 57.9 - 626 626 5.16E+02 NA Y 5 T INORGANIC Strontium 7440-24-6 95 1.9 J 257 -GWA-12D 0.58 - 6.3 6.3 2.57E+02 7.00E+04 N 2 T INORGANIC Thallium 7440-28-0 0 ND -ND -ND 2.8 - 8 8 8.00E+00 1.20E+00 Y 1 T INORGANIC Vanadium 7440-62-2 100 6 -125 -AB-30D 2.8 - 11.7 11.7 1.25E+02 5.80E+02 N 2 T INORGANIC Zinc 7440-66-6 100 9 -203 -GWA-9D 1.2 - 33.2 33.2 2.03E+02 3.50E+04 N 2 Notes: All units are in mg/kg The applicable criteria for chromium III was input as a surrogate for chromium total when none was available. Speciation data for chromium was not available. (1) Maximum concentration. If contaminant was not detected, reporting limit (RL) was entered. (2) USEPA Regional Screening Level Generic Tables, Industrial Soil, June 2015. http://www.epa.gov/reg3hwmd/risk/human/rb-concentration_table/Generic_Tables/index.htm Target Risk = 1E-06 and Target Hazard Quotient = 0.1 (3) Rationale for Selection/Deletion: 1 - Contaminant concentration exceeds screening value. 2 - Contaminant concentration and RL are less than screening value. 3 - Contaminant was not found in concentrations exceeding the screening value; however the RL exceeds the screening value. 4 - Contaminant was found in concentrations exceeding its RL; however, there is no current screening value for the contaminant. 5 - Contaminant was not found in concentrations exceeding its RL; however, there is no current screening value for the contaminant. 6 - Contaminant concentration was nondetect and set to equal the RL. Qualifiers: J - Estimated Concentration J+ - Concentration Biased High - No Qualifier Abbreviations: CASRN - Chemical Abstract Service Registry Number COPC - Contaminant of Potential Concern NA - No Criteria/Not Applicable ND - Not Detected Q - Data Qualifier RL - Reporting Limit RSL - Regional Screening Level US EPA - United States Environmental Protection Agency Soil COPC? (Y/N) Rationale for Selection or Deletion (3) USEPA Industrial Soils RSL (2) Location of Maximum Detected Concentration Range of Detection Limits Concentration Used for Screening (1) Maximum Reporting Limit Q Maximum Detected Concentration Q Total or Dissolved (T or D) CASRN Frequency of Detection (%) Contaminant Range of Detection Minimum Detected Concentration Contaminant Group Page 1 of 1 Table 12-3. Selection of Human Health COPCs - Surface Water T INORGANIC Aluminum 7429-90-5 100 90 -27600 -SW-3 5 - 50 50 2.76E+04 6.50E+03 8.00E+03 Y 1 T INORGANIC Antimony 7440-36-0 33 0.16 J 0.22 J SW-7 0.5 - 1 1 2.20E-01 5.60E+00 6.40E+02 N 2 T INORGANIC Arsenic 7440-38-2 67 0.22 J 63.7 -SW-3 0.5 - 1 1 6.37E+01 1.00E+01 1.00E+01 Y 1 T INORGANIC Barium 7440-39-3 100 18 -267 -SW-3 5 - 5 5 2.67E+02 1.00E+03 2.00E+05 N 2 T INORGANIC Beryllium 7440-41-7 17 1.16 -1.16 -SW-3 0.2 - 1 1 1.16E+00 NA NA Y 4 T INORGANIC Boron 7440-42-8 83 57 -180 -SW-8 50 - 50 50 1.80E+02 NA NA Y 4 T INORGANIC Cadmium 7440-43-9 0 ND -ND -ND 0.08 - 1 1 1.00E+00 NA NA N 6 T INORGANIC Chromium (Total)7440-47-3 67 0.59 -33.6 -SW-3 0.5 - 1 1 3.36E+01 NA NA Y 4 T INORGANIC Cobalt 7440-48-4 67 0.32 J 15.5 -SW-3 0.5 - 1 1 1.55E+01 3.00E+00 4.00E+00 Y 1 T INORGANIC Copper 7440-50-8 83 1.3 -27.3 -SW-3 1 - 1 1 2.73E+01 NA NA Y 4 T INORGANIC Iron (Fe)7439-89-6 100 339 -42400 -SW-3 10 - 10 10 4.24E+04 NA NA Y 4 T INORGANIC Lead 7439-92-1 67 0.64 -20.1 -SW-3 0.1 - 1 1 2.01E+01 NA NA Y 4 T INORGANIC Manganese (Mn)7439-96-5 100 55 -1820 -SW-3 5 - 5 5 1.82E+03 NA NA Y 4 T INORGANIC Mercury 7439-97-6 100 0.000978 J+0.00385 J+SW-3 0.0005 - 0.0005 0.0005 3.85E-03 NA NA Y 4 T INORGANIC Molybdenum 7439-98-7 67 0.26 J 9.85 -SW-3 0.5 - 1 1 9.85E+00 1.60E+02 2.00E+03 N 2 T INORGANIC Nickel 7440-02-0 67 0.47 J 15.9 -SW-3 0.5 - 1 1 1.59E+01 2.50E+01 NA N 2 T INORGANIC Selenium 7782-49-2 0 ND -ND -ND 0.5 - 1 1 1.00E+00 NA NA N 6 T INORGANIC Sodium 7440-23-5 100 3900 J 10800 -SW-3 50 - 5000 5000 1.08E+04 NA NA Y 4 T INORGANIC Strontium 7440-24-6 100 45 -302 -SW-3 5 - 5 5 3.02E+02 1.40E+04 4.00E+04 N 2 T INORGANIC Thallium 7440-28-0 17 0.315 -0.315 -SW-3 0.1 - 0.2 0.2 3.15E-01 2.40E-01 4.70E-01 Y 1 T INORGANIC Vanadium 7440-62-2 100 0.42 -54.1 -SW-3 0.3 - 1 1 5.41E+01 NA NA Y 4 T INORGANIC Zinc 7440-66-6 67 4.6 J+93 -SW-3 5 - 10 10 9.30E+01 NA NA Y 4 Notes: All units are in ug/L Dissolved concentrations are compared to applicable criteria. The applicable criteria for chromium III was input as a surrogate for chromium total when none was available. Speciation data for chromium was not available. (1) Maximum concentration. If contaminant was not detected, reporting limit (RL) was entered. (2) 15A NCAC 2B or EPA National Water Quality Criteria (http://portal.ncdenr.org/c/document_library/get_file?uuid=dfc89f23-a372-4782-b3b0-60e6884b1696&groupId=38364) (3) 15A NCAC 2B or EPA National Water Quality Criteria (http://portal.ncdenr.org/c/document_library/get_file?uuid=dfc89f23-a372-4782-b3b0-60e6884b1696&groupId=38364) (4) Rationale for Selection/Deletion: 1 - Contaminant concentration exceeds screening value. 2 - Contaminant concentration and RL are less than screening value. 3 - Contaminant was not found in concentrations exceeding the screening value; however the RL exceeds the screening value. 4 - Contaminant was found in concentrations exceeding its RL; however, there is no current screening value for the contaminant. 5 - Contaminant was not found in concentrations exceeding its RL; however, there is no current screening value for the contaminant. 6 - Contaminant concentration was nondetect and set to equal the RL. Qualifiers: J - Estimated Concentration J+ - Concentration Biased High - No Qualifier Abbreviations: CASRN - Chemical Abstract Service Registry Number COPC - Contaminant of Potential Concern NA - No Criteria/Not Applicable ND - Not Detected Q - Data Qualifier RL - Reporting Limit WQC - Water Quality Criteria WQS - Water Quality Standards Range of Detection Minimum Detected Concentration Q Maximum Detected Concentration Q Total or Dissolved (T or D) CASRN Frequency of Detection (%) ContaminantContaminant Group Rationale for Selection or Deletion (4) Location of Maximum Detected Concentration Range of Detection Limits Concentration Used for Screening (1) NC Water Supply (WS) WQS & EPA National WQC (2) Surface Water COPC? (Y/N) NC Human Health (HH) WQS & EPA National WQC (3) Maximum Reporting Limit Page 1 of 1 Table 12-4. Selection of Human Health COPCs - Sediment T INORGANIC Aluminum 7429-90-5 100 1500 -19500 -SW-3 33.3 - 82.9 82.9 1.95E+04 7.70E+03 Y 1 T INORGANIC Antimony 7440-36-0 0 ND -ND -ND 6.7 - 16.6 16.6 1.66E+01 3.10E+00 Y 1 T INORGANIC Arsenic 7440-38-2 33 6.9 J 285 -SW-3 6.7 - 16.6 16.6 2.85E+02 6.70E-01 Y 1 T INORGANIC Barium 7440-39-3 100 14.9 -233 -SW-3 3.3 - 8.3 8.3 2.33E+02 1.50E+03 N 2 T INORGANIC Beryllium 7440-41-7 100 0.25 J 0.94 -SW-3 0.33 - 0.83 0.83 9.40E-01 1.60E+01 N 2 T INORGANIC Boron 7440-42-8 33 13.4 J 29.1 -SW-3 16.6 - 41.4 41.4 2.91E+01 1.60E+03 N 2 T INORGANIC Cadmium 7440-43-9 0 ND -ND -ND 0.8 - 2 2 2.00E+00 7.00E+00 N 2 T INORGANIC Chromium (Total)7440-47-3 100 6.5 -34.5 -SW-3 1.7 - 4.1 4.1 3.45E+01 1.20E+04 N 2 T INORGANIC Cobalt 7440-48-4 89 3.9 J 17.1 -SW-3 6.7 - 16.6 16.6 1.71E+01 2.30E+00 Y 1 T INORGANIC Copper 7440-50-8 100 1.8 -24.3 -SW-3 1.7 - 4.1 4.1 2.43E+01 3.10E+02 N 2 T INORGANIC Iron (Fe)7439-89-6 100 5850 -32000 -SW-3 13.3 - 33.1 33.1 3.20E+04 5.50E+03 Y 1 T INORGANIC Lead 7439-92-1 78 4.6 J 21.3 -SW-5 6.7 - 16.6 16.6 2.13E+01 4.00E+02 N 2 T INORGANIC Manganese (Mn)7439-96-5 100 133 -3880 -SW-3 1.7 - 4.1 4.1 3.88E+03 1.80E+02 Y 1 T INORGANIC Mercury 7439-97-6 89 0.0067 J+0.084 -SW-5 0.011 - 0.026 0.026 8.40E-02 9.40E-01 N 2 T INORGANIC Molybdenum 7439-98-7 44 3.1 J 7.9 -S-3 3.3 - 8.3 8.3 7.90E+00 3.90E+01 N 2 T INORGANIC Nickel 7440-02-0 100 2.1 -15.2 -SW-3 1.7 - 4.1 4.1 1.52E+01 1.50E+02 N 2 T INORGANIC Selenium 7782-49-2 0 ND -ND -ND 6.7 - 16.6 16.6 1.66E+01 3.90E+01 N 2 T INORGANIC Sodium 7440-23-5 0 ND -ND -ND 333 - 829 829 8.29E+02 NA N 6 T INORGANIC Strontium 7440-24-6 89 2.5 J 41.3 -SW-3 3.3 - 8.3 8.3 4.13E+01 4.70E+03 N 2 T INORGANIC Thallium 7440-28-0 0 ND -ND -ND 6.7 - 16.6 16.6 1.66E+01 7.80E-02 Y 1 T INORGANIC Vanadium 7440-62-2 100 6.2 J 58.8 -SW-3 3.8 - 16.6 16.6 5.88E+01 3.90E+01 Y 1 T INORGANIC Zinc 7440-66-6 100 9.6 -85.4 -SW-5 6.7 - 16.6 16.6 8.54E+01 2.30E+03 N 2 Notes: All units are in mg/kg The applicable criteria for chromium III was input as a surrogate for chromium total when none was available. Speciation data for chromium was not available. (1) Maximum concentration. If contaminant was not detected, reporting limit (RL) was entered. (2) USEPA Regional Screening Level Generic Tables, Resident Soil, June 2015. http://www.epa.gov/reg3hwmd/risk/human/rb-concentration_table/Generic_Tables/index.htm Target Risk = 1E-06 and Target Hazard Quotient = 0.1 (3) Rationale for Selection/Deletion: 1 - Contaminant concentration exceeds screening value. 2 - Contaminant concentration and RL are less than screening value. 3 - Contaminant was not found in concentrations exceeding the screening value; however the RL exceeds the screening value. 4 - Contaminant was found in concentrations exceeding its RL; however, there is no current screening value for the contaminant. 5 - Contaminant was not found in concentrations exceeding its RL; however, there is no current screening value for the contaminant. 6 - Contaminant concentration was nondetect and set to equal the RL. Qualifiers: J - Estimated Concentration - No Qualifier Abbreviations: CASRN - Chemical Abstract Service Registry Number COPC - Contaminant of Potential Concern NA - No Criteria/Not Applicable ND - Not Detected Q - Data Qualifier RL - Reporting Limit RSL - Regional Screening Level US EPA - United States Environmental Protection Agency Sediment COPC? (Y/N) Rationale for Selection or Deletion (3) Minimum Detected Concentration Q Maximum Detected Concentration Q Range of Detection Location of Maximum Detected Concentration Range of Detection Limits Concentration Used for Screening (1) USEPA Resident Soils RSL (2) Maximum Reporting Limit Frequency of Detection (%) Total or Dissolved (T or D) Contaminant CASRNContaminant Group Page 1 of 1 Table 12-5. Contaminants of Potential Human Health Concern INORGANIC Aluminum 7429-90-5 N 2 N 2 Y 1 Y 1 INORGANIC Antimony 7440-36-0 Y 1 N 2 N 2 Y 1 INORGANIC Arsenic 7440-38-2 Y 1 Y 1 Y 1 Y 1 INORGANIC Barium 7440-39-3 Y 1 N 2 N 2 N 2 INORGANIC Beryllium 7440-41-7 Y 1 N 2 Y 4 N 2 INORGANIC Boron 7440-42-8 Y 1 N 2 Y 4 N 2 INORGANIC Cadmium 7440-43-9 Y 1 N 2 N 6 N 2 INORGANIC Chromium (Total)7440-47-3 Y 1 N 2 Y 4 N 2 INORGANIC Cobalt 7440-48-4 Y 1 Y 1 Y 1 Y 1 INORGANIC Copper 7440-50-8 N 2 N 2 Y 4 N 2 INORGANIC Iron (Fe)7439-89-6 Y 1 Y 1 Y 4 Y 1 INORGANIC Lead 7439-92-1 N 2 N 2 Y 4 N 2 INORGANIC Manganese (Mn)7439-96-5 Y 1 Y 1 Y 4 Y 1 INORGANIC Mercury 7439-97-6 Y 1 N 2 Y 4 N 2 INORGANIC Molybdenum 7439-98-7 Y 1 N 2 N 2 N 2 INORGANIC Nickel 7440-02-0 Y 1 N 2 N 2 N 2 INORGANIC Selenium 7782-49-2 Y 1 N 2 N 6 N 2 INORGANIC Sodium 7440-23-5 Y 4 Y 5 Y 4 N 6 INORGANIC Strontium 7440-24-6 Y 1 N 2 N 2 N 2 INORGANIC Thallium 7440-28-0 Y 1 Y 1 Y 1 Y 1 INORGANIC Titanium 7440-32-6 N 6 ------------ INORGANIC Vanadium 7440-62-2 Y 1 N 2 Y 4 Y 1 INORGANIC Zinc 7440-66-6 N 2 N 2 Y 4 N 2 Notes: -- indicates dissolved analyte was not analyzed or provided by the laboratory. Rationale for Selection/Deletion: 1 - Contaminant concentration exceeds screening value. 2 - Contaminant concentration and RL are less than screening value. 3 - Contaminant was not found in concentrations exceeding the screening value; however the RL exceeds the screening value. 4 - Contaminant was found in concentrations exceeding its RL; however, there is no current screening value for the contaminant. 5 - Contaminant was not found in concentrations exceeding its RL; however, there is no current screening value for the contaminant. 6 - Contaminant concentration was nondetect and set to equal the RL. Abbreviations: CASRN - Chemical Abstract Service Registry Number COPC - Contaminant of Potential Concern Rationale for Selection or Deletion Groundwater COPC Surface Water COPC CASRN Sediment COPC Contaminant Soil COPC Contaminant Group Rationale for Selection or Deletion Rationale for Selection or Deletion Rationale for Selection or Deletion Page 1 of 1 Table 12-6. Selection of Ecological COPCs - Soil T INORGANIC Aluminum 7429-90-5 100 2.30E+03 -3.89E+04 -GWA-12D 5.8 - 62.6 62.6 3.89E+04 5.00E+01 7.78E+02 Y 1 T INORGANIC Antimony 7440-36-0 0 ND -ND -ND 2.8 - 11.7 11.7 1.17E+01 3.50E+00 3.34E+00 Y 1 T INORGANIC Arsenic 7440-38-2 38 2.50E+00 J 7.18E+01 -AB-25BR 2.8 - 11.7 11.7 7.18E+01 1.00E+01 7.18E+00 Y 1 T INORGANIC Barium 7440-39-3 100 1.51E+01 -3.97E+02 -MW-310BR 0.58 - 16.6 16.6 3.97E+02 1.65E+02 2.41E+00 Y 1 T INORGANIC Beryllium 7440-41-7 99 1.60E-01 J 4.20E+00 -MW-315BR 0.06 - 1.1 1.1 4.20E+00 1.10E+00 3.82E+00 Y 1 T INORGANIC Boron 7440-42-8 16 1.27E+01 J 6.31E+01 -GWA-12D 13.1 - 75.6 75.6 6.31E+01 5.00E-01 1.26E+02 Y 1 T INORGANIC Cadmium 7440-43-9 3 2.60E-01 J 1.50E+00 -GWA-14S 0.33 - 1.4 1.4 1.50E+00 1.60E+00 9.38E-01 N NC T INORGANIC Chromium (Total)7440-47-3 100 6.40E+00 -1.87E+02 -GWA-12D 0.3 - 9.3 9.3 1.87E+02 4.00E-01 4.68E+02 Y 1 T INORGANIC Cobalt 7440-48-4 97 1.70E+00 J 4.96E+01 -MW-303BR 2.8 - 11.7 11.7 4.96E+01 2.00E+01 2.48E+00 Y 1 T INORGANIC Copper 7440-50-8 100 2.80E+00 -8.32E+01 -AS-10D 0.3 - 8.3 8.3 8.32E+01 4.00E+01 2.08E+00 Y 1 T INORGANIC Iron (Fe)7439-89-6 100 5.26E+03 -9.59E+04 -SB-1 2.3 - 66.4 66.4 9.59E+04 2.00E+02 4.80E+02 Y 1 T INORGANIC Lead 7439-92-1 98 3.50E+00 J 8.70E+01 -AS-8D 2.8 - 8 8 8.70E+01 5.00E+01 1.74E+00 Y 1 T INORGANIC Manganese (Mn)7439-96-5 100 3.25E+01 J+5.17E+03 -GWA-9D 0.3 - 8.3 8.3 5.17E+03 1.00E+02 5.17E+01 Y 1 T INORGANIC Mercury 7439-97-6 59 4.70E-03 J 2.30E-01 -AS-10D 0.008 - 0.013 0.013 2.30E-01 1.00E-01 2.30E+00 Y 1 T INORGANIC Molybdenum 7439-98-7 19 1.50E+00 J 2.26E+01 -GWA-12D 0.59 - 6.3 6.3 2.26E+01 2.00E+00 1.13E+01 Y 1 T INORGANIC Nickel 7440-02-0 100 1.20E+00 J 5.22E+01 -SB-1 0.3 - 3.1 3.1 5.22E+01 3.00E+01 1.74E+00 Y 1 T INORGANIC Selenium 7782-49-2 22 2.70E+00 J 1.02E+01 -GWA-14S 2.8 - 11.7 11.7 1.02E+01 8.10E-01 1.26E+01 Y 1 T INORGANIC Sodium 7440-23-5 12 3.51E+01 J 5.16E+02 -MW-310BR 57.9 - 626 626 5.16E+02 NA NA Y 4 T INORGANIC Strontium 7440-24-6 95 1.90E+00 J 2.57E+02 -GWA-12D 0.58 - 6.3 6.3 2.57E+02 NA NA Y 3 T INORGANIC Thallium 7440-28-0 0 ND -ND -ND 2.8 - 8 8 8.00E+00 1.00E+00 8.00E+00 Y 1 T INORGANIC Vanadium 7440-62-2 100 6.00E+00 -1.25E+02 -AB-30D 2.8 - 11.7 11.7 1.25E+02 2.00E+00 6.25E+01 Y 1 T INORGANIC Zinc 7440-66-6 100 9.00E+00 -2.03E+02 -GWA-9D 1.2 - 33.2 33.2 2.03E+02 5.00E+01 4.06E+00 Y 1 Notes: All units are in mg/kg. Speciation data for chromium was not available. (1) Maximum concentration. If contaminant was not detected, maximum reporting limit (RL) was input per NC SLERA Guidance. (2) Based on US EPA's Region 4 Water Quality Management Division, Water Quality Standards Unit's Screening List (http://www.epa.gov/region4/superfund/images/allprogrammedia/pdfs/tsstablesoilvalues.pdf). (3) Screening Hazard Quotient (HQ) = Concentration Used for Screening / EPA Region IV ESV. (4) Contaminant Categories: 1 - Contaminant is found in concentrations exceeding its screening value. 2 - Contaminant was not found in concentrations exceeding the RL; however, the RL exceed its screening value. 3 - Contaminant was found in concentrations exceeding its RL; however, there is no current screening value for the contaminant. 4 - Contaminant was not found in concentrations exceeding the RL and there is no current screening value for the contaminant. Qualifiers: J - Estimated Concentration J+ - Concentration Biased High - No Qualifier Abbreviations: CASRN - Chemical Abstract Service Registry Number COPC - Contaminant of Potential Concern ESV - Ecological Screening Value NA - No Criteria/Not Applicable NC - No Contaminant Category ND - Not Detected Q - Data Qualifier RL - Reporting Limit SLERA - Screening Level Ecological Risk Assessment Contaminant Category (4) Range of Detection Limits Concentration Used for Screening (1) EPA Region IV Soil ESV (2) Screening Hazard Quotient (3) Contaminant Group Maximum Reporting Limit Location of Maximum Detected Concentration Soil COPC? (Y/N) Total or Dissolved (T or D) CASRN Frequency of Detection Range of DetectionContaminant Minimum Detected Concentration Q Maximum Detected Concentration Q Page 1 of 1 Table 12-7. Selection of Ecological COPCs - Freshwater D INORGANIC Aluminum 7429-90-5 33 1.20E+01 -1.20E+01 -SW-3 5 - 5 5 1.20E+01 8.70E+01 1.38E-01 8.70E+01 N N NC D INORGANIC Antimony 7440-36-0 33 1.70E-01 J 2.00E-01 J SW-7 0.5 - 1 1 2.00E-01 1.60E+02 1.25E-03 NA NA N NC D INORGANIC Arsenic 7440-38-2 67 1.40E-01 J 4.27E+01 -SW-3 0.5 - 1 1 4.27E+01 1.90E+02 2.25E-01 1.50E+02 N N NC D INORGANIC Barium 7440-39-3 100 1.80E+01 -4.20E+01 -SW-3 5 - 5 5 4.20E+01 NA NA NA NA Y 3 D INORGANIC Beryllium 7440-41-7 0 ND -ND -ND 0.2 - 1 1 1.00E+00 5.30E-01 1.89E+00 6.50E+00 NA Y 1 D INORGANIC Boron 7440-42-8 83 5.80E+01 -1.70E+02 -SW-8 50 - 50 50 1.70E+02 7.50E+02 2.27E-01 NA NA N NC D INORGANIC Cadmium 7440-43-9 0 ND -ND -ND 0.08 - 1 1 1.00E+00 6.60E-01 1.52E+00 1.50E-01 Y Y 1, 5 D INORGANIC Chromium (Total)7440-47-3 50 2.40E-01 J 4.90E-01 J SW-6 0.5 - 1 1 4.90E-01 1.17E+02 4.18E-03 2.40E+01 N N NC D INORGANIC Cobalt 7440-48-4 17 1.50E-01 J 1.50E-01 J SW-6 0.5 - 1 1 1.50E-01 NA NA NA NA Y 4 D INORGANIC Copper 7440-50-8 67 2.00E+00 -7.38E+00 J+SW-4 1 - 1 1 7.38E+00 6.54E+00 1.13E+00 2.70E+00 Y Y 1, 5 D INORGANIC Iron (Fe)7439-89-6 100 3.30E+01 -6.80E+01 -SW-5 10 - 10 10 6.80E+01 1.00E+03 6.80E-02 NA NA N NC D INORGANIC Lead 7439-92-1 50 6.10E-02 J 2.00E-01 -SW-6 0.1 - 1 1 2.00E-01 1.32E+00 1.52E-01 5.40E-01 N N NC D INORGANIC Manganese (Mn)7439-96-5 100 1.50E+01 -5.84E+02 -SW-3 5 - 5 5 5.84E+02 NA NA NA NA Y 3 D INORGANIC Molybdenum 7439-98-7 67 3.90E-01 J 2.56E+00 -SW-3 0.5 - 1 1 2.56E+00 NA NA NA NA Y 3 D INORGANIC Nickel 7440-02-0 50 5.80E-01 -1.60E+00 -SW-8 0.5 - 1 1 1.60E+00 8.77E+01 1.82E-02 1.60E+01 N N NC D INORGANIC Selenium 7782-49-2 0 ND -ND -ND 0.5 - 1 1 1.00E+00 5.00E+00 2.00E-01 5.00E+00 NA N NC D INORGANIC Strontium 7440-24-6 100 4.10E+01 -2.64E+02 -SW-3 5 - 5 5 2.64E+02 NA NA NA NA Y 3 D INORGANIC Thallium 7440-28-0 17 2.50E-02 J 2.50E-02 J SW-6 0.1 - 0.2 0.2 2.50E-02 4.00E+00 6.25E-03 NA NA N NC D INORGANIC Vanadium 7440-62-2 67 6.90E-01 J 1.25E+00 -SW-3 0.3 - 1 1 1.25E+00 NA NA NA NA Y 3 D INORGANIC Zinc 7440-66-6 33 4.70E+00 J 1.70E+01 J+SW-4 5 - 10 10 1.70E+01 5.89E+01 2.89E-01 3.60E+01 N N NC Notes: All units are in ug/L. Dissolved concentrations are compared to applicable criteria. The applicable criteria for chromium III was input as a surrogate for chromium total when none was available. The EPA Region IV CSV for arsenic III was input as a surrogate for arsenic total since none was available. Dissolved mercury and sodium concentrations were not analyzed or provided by the laboratory. Speciation data for chromium was not available. (1) Maximum concentration. If contaminant was not detected, maximum reporting limit (RL) was input per NC SLERA Guidance. (2) Based on US EPA's Region 4 Water Quality Management Division, Water Quality Standards Unit's Screening List - Chronic Screening Values (http://www.epa.gov/region4/superfund/programs/riskassess/ecolbul.html#tbl1). (3) Screening Hazard Quotient = Concentration Used for Screening / EPA Region IV CSV. (4) 15A NCAC 2B or EPA National Criteria (http://portal.ncdenr.org/c/document_library/get_file?uuid=dfc89f23-a372-4782-b3b0-60e6884b1696&groupId=38364) The minimum of the 15A NCAC 2B Freshwater Aquatic Life was input. Based on surface water classification (WS-IV, B and C) and other factors, Saltwater Aquatic Life, Water Supply, Human Health, Trout Waters, High Quality Waters and Swamp Waters are not applicable. (5) Contaminant Categories: 1 - Contaminant is found in concentrations exceeding its screening value. 2 - Contaminant was not found in concentrations exceeding the RL; however, the RL exceed its screening value. 3 - Contaminant was found in concentrations exceeding its RL; however, there is no current screening value for the contaminant. 4 - Contaminant was not found in concentrations exceeding the RL and there is no current screening value for the contaminant. 5 - Contaminant's RL or maximum concentration exceeds the NC Water Quality Criteria. Qualifiers: J - Estimated Concentration J+ - Concentration Biased High - No Qualifier Abbreviations: CASRN - Chemical Abstract Service Registry Number COPC - Contaminant of Potential Concern CSV - Chronic Screening Value NA - No Criteria/Not Applicable NC - No Contaminant Category ND - Not Detected NCWQS - North Carolina Water Quality Standard Q - Data Qualifier RL - Reporting Limit SLERA - Screening Level Ecological Risk Assessment WQC - Water Quality Criteria WQS - Water Quality Standards Contaminant Category (5) Location of Maximum Detected Concentration Frequency of Detection Range of Detection Limits Concentration Used for Screening (1) Screening Hazard Quotient (3) Exceed NCWQS? (Y/N) EPA Region IV SW CSV (2) NC Freshwater Aquatic Life WQS & EPA National WQC (4) Freshwater COPC? (Y/N) Range of Detection Minimum Detected Concentration Q Maximum Detected Concentration Q Contaminant Group Maximum Reporting Limit ContaminantTotal or Dissolved (T or D) CASRN Page 1 of 1 Table 12-8. Selection of Ecological COPCs - Sediment T INORGANIC Aluminum 7429-90-5 100 1.50E+03 -1.95E+04 -SW-3 33.3 - 82.9 82.9 1.95E+04 NA NA Y 3 T INORGANIC Antimony 7440-36-0 0 ND -ND -ND 6.7 - 16.6 16.6 1.66E+01 1.20E+01 1.38E+00 Y 1 T INORGANIC Arsenic 7440-38-2 33 6.90E+00 J 2.85E+02 -SW-3 6.7 - 16.6 16.6 2.85E+02 7.24E+00 3.94E+01 Y 1 T INORGANIC Barium 7440-39-3 100 1.49E+01 -2.33E+02 -SW-3 3.3 - 8.3 8.3 2.33E+02 NA NA Y 3 T INORGANIC Beryllium 7440-41-7 100 2.50E-01 J 9.40E-01 -SW-3 0.33 - 0.83 0.83 9.40E-01 NA NA Y 3 T INORGANIC Boron 7440-42-8 33 1.34E+01 J 2.91E+01 -SW-3 16.6 - 41.4 41.4 2.91E+01 NA NA Y 4 T INORGANIC Cadmium 7440-43-9 0 ND -ND -ND 0.8 - 2 2 2.00E+00 1.00E+00 2.00E+00 Y 1 T INORGANIC Chromium (Total)7440-47-3 100 6.50E+00 -3.45E+01 -SW-3 1.7 - 4.1 4.1 3.45E+01 5.23E+01 6.60E-01 N NC T INORGANIC Cobalt 7440-48-4 89 3.90E+00 J 1.71E+01 -SW-3 6.7 - 16.6 16.6 1.71E+01 NA NA Y 3 T INORGANIC Copper 7440-50-8 100 1.80E+00 -2.43E+01 -SW-3 1.7 - 4.1 4.1 2.43E+01 1.87E+01 1.30E+00 Y 1 T INORGANIC Iron (Fe)7439-89-6 100 5.85E+03 -3.20E+04 -SW-3 13.3 - 33.1 33.1 3.20E+04 NA NA Y 3 T INORGANIC Lead 7439-92-1 78 4.60E+00 J 2.13E+01 -SW-5 6.7 - 16.6 16.6 2.13E+01 3.02E+01 7.05E-01 N NC T INORGANIC Manganese (Mn)7439-96-5 100 1.33E+02 -3.88E+03 -SW-3 1.7 - 4.1 4.1 3.88E+03 NA NA Y 3 T INORGANIC Mercury 7439-97-6 89 6.70E-03 J+8.40E-02 -SW-5 0.011 - 0.026 0.026 8.40E-02 1.30E-01 6.46E-01 N NC T INORGANIC Molybdenum 7439-98-7 44 3.10E+00 J 7.90E+00 -S-3 3.3 - 8.3 8.3 7.90E+00 NA NA Y 4 T INORGANIC Nickel 7440-02-0 100 2.10E+00 -1.52E+01 -SW-3 1.7 - 4.1 4.1 1.52E+01 1.59E+01 9.56E-01 N NC T INORGANIC Selenium 7782-49-2 0 ND -ND -ND 6.7 - 16.6 16.6 1.66E+01 NA NA N NC T INORGANIC Sodium 7440-23-5 0 ND -ND -ND 333 - 829 829 8.29E+02 NA NA N NC T INORGANIC Strontium 7440-24-6 89 2.50E+00 J 4.13E+01 -SW-3 3.3 - 8.3 8.3 4.13E+01 NA NA Y 3 T INORGANIC Thallium 7440-28-0 0 ND -ND -ND 6.7 - 16.6 16.6 1.66E+01 NA NA N NC T INORGANIC Vanadium 7440-62-2 100 6.20E+00 J 5.88E+01 -SW-3 3.8 - 16.6 16.6 5.88E+01 NA NA Y 3 T INORGANIC Zinc 7440-66-6 100 9.60E+00 -8.54E+01 -SW-5 6.7 - 16.6 16.6 8.54E+01 1.24E+02 6.89E-01 N NC Notes: All units are in mg/kg. Speciation data for chromium was not available. (1) Maximum concentration. If contaminant was not detected, maximum reporting limit (RL) was input per NC SLERA Guidance. (2) Ecological Risk Assessment Bulletins--Supplement to RAGS, Table 3 Sediment Screening Values (http://www.epa.gov/region4/superfund/programs/riskassess/ecolbul.html#tbl3) The sediment ecological screening value is determined using the maximum of the practical quantitation limit (PQL) and the Effects Value; since no laboratory-specific PQLs are provided, the Effects Value was applied as the criterion. (3) Screening Hazard Quotient (HQ) = Concentration Used for Screening / EPA Region IV Sediment Effects Value. (4) Contaminant Categories: 1 - Contaminant is found in concentrations exceeding its screening value. 2 - Contaminant was not found in concentrations exceeding the RL; however, the RL exceed its screening value. 3 - Contaminant was found in concentrations exceeding its RL; however, there is no current screening value for the contaminant. 4 - Contaminant was not found in concentrations exceeding the RL and there is no current screening value for the contaminant. Qualifier: J - Estimated Concentration - No Qualifier Abbreviations: CASRN - Chemical Abstract Service Registry Number COPC - Contaminant of Potential Concern NA - No Criteria/Not Applicable NC - No Contaminant Category ND - Not Detected PQL - Practical Quantitation Limit Q - Data Qualifier RL - Reporting Limit SLERA - Screening Level Ecological Risk Assessment SQL - Sample Quantitation Limit Screening Hazard Quotient (3) Sediment COPC? (Y/N) Contaminant Category (5) Concentration Used for Screening (1) EPA Region IV Sediment Effects Value (2) Contaminant Group Maximum Reporting Limit Total or Dissolved (T or D) Contaminant CASRN Frequency of Detection Range of Detection Limits Minimum Detected Concentration Q Maximum Detected Concentration Q Location of Maximum Detected Concentration Range of Detection Page 1 of 1 Table 12-9. Comtaminants of Potential Ecological Concern INORGANIC Aluminum 7429-90-5 Y 1 N NC Y 3 INORGANIC Antimony 7440-36-0 Y 1 N NC Y 1 INORGANIC Arsenic 7440-38-2 Y 1 N NC Y 1 INORGANIC Barium 7440-39-3 Y 1 Y 3 Y 3 INORGANIC Beryllium 7440-41-7 Y 1 Y 1 Y 3 INORGANIC Boron 7440-42-8 Y 1 N NC Y 4 INORGANIC Cadmium 7440-43-9 N NC Y 1, 5 Y 1 INORGANIC Chromium (Total)7440-47-3 Y 1 N NC N NC INORGANIC Cobalt 7440-48-4 Y 1 Y 4 Y 3 INORGANIC Copper 7440-50-8 Y 1 Y 1, 5 Y 1 INORGANIC Iron (Fe)7439-89-6 Y 1 N NC Y 3 INORGANIC Lead 7439-92-1 Y 1 N NC N NC INORGANIC Manganese (Mn)7439-96-5 Y 1 Y 3 Y 3 INORGANIC Mercury 7439-97-6 Y 1 ----N NC INORGANIC Molybdenum 7439-98-7 Y 1 Y 3 Y 4 INORGANIC Nickel 7440-02-0 Y 1 N NC N NC INORGANIC Selenium 7782-49-2 Y 1 N NC N NC INORGANIC Sodium 7440-23-5 Y 4 ----N NC INORGANIC Strontium 7440-24-6 Y 3 Y 3 Y 3 INORGANIC Thallium 7440-28-0 Y 1 N NC N NC INORGANIC Vanadium 7440-62-2 Y 1 Y 3 Y 3 INORGANIC Zinc 7440-66-6 Y 1 N NC N NC Notes: -- indicates dissolved analyte was not analyzed or provided by the laboratory. Contaminant Categories: 1 - Contaminant is found in concentrations exceeding its screening value. 2 - Contaminant was not found in concentrations exceeding the RL, however, the RL exceed its screening value. 3 - Contaminant was found in concentrations exceeding its RL, however, there is no current screening value for the contaminant. 4 - Contaminant was not found in concentrations exceeding the RL and there is no current screening value for the contaminant. 5 - Contaminant's RL or maximum concentration exceeds the NC Water Qualiity Standards. Abbreviations: CASRN - Chemical Abstract Service Registry Number COPC - Contaminant of Potential Concern NC - Category not applicable because contaminant was not determined to be a COPC. Contaminant Group Sediment COPC Sediment Contaminant Category Freshwater COPC Freshwater Contaminant Category CASRN Soil COPC Soil Contaminant Category Contaminant Page 1 of 1 Table 12-10. Threatened and Endangered Species in Rockingham County Common Name Scientific Name State Status 1 Federal Status 1 County Record Status 1 Federal Status (USFWS Raleigh Field Office) 2 Federal Record Status 2 Bigeye Jumprock Moxostoma ariommum T --Current ----Dan drainage Four-toed Salamander Hemidactylium scutatum SC --Current ----Pools, bogs, and other wetlands in hardwood forests Mole Salamander Ambystoma talpoideum SC --Current ----Breeds in fish-free semipermanent woodland ponds; forages in adjacent woodlands Riverweed Darter Etheostoma podostemone SC --Current ----Large streams in Dan River system Roanoke Logperch Percina rex E E Current E Current Dan drainage Creeper Strophitus undulatus T --Current ----Roanoke, Tar, Neuse, Cape Fear, Yadkin--Pee Dee, Catawba, Broad, and French Broad drainages Green floater Lasmigona subviridis E FSC Current FSC Current Roanoke, Tar, Neuse and Yadkin--Pee Dee drainages; New and Watauga drainages James Spinymussel Pleurobema collina E E Current E Current Dan and Mayo Rivers Notched Rainbow Villosa constricta SC --Current ----Roanoke, Tar, Neuse, Yadkin--Pee Dee, and Catawba drainages Yellow Lampmussel Lampsilis cariosa E FSC Current ----Chowan, Roanoke, Neuse, Tar, Cape Fear, Lumber, Yadkin-- Pee Dee drainages Alabama Grape-fern Sceptridium jenmanii SC-V --Historical ----Moist woods American Barberry Berberis canadensis SC-V --Current ----Open forests and glades on basic soils Carolina Birdfoot-trefoil Acmispon helleri SC-V FSC Current ----Open woods over clay soils, roadsides Glade Bluecurls Trichostema brachiatum E --Current ----Diabase glades, other dry calcareous or mafic outcrops Jacob's Ladder Polemonium reptans var. reptans T --Current ----Moist, nutrient-rich forests such as bottomlands and rich slopes Prairie birdsfoot-trefoil Lotus unifoliolatus var. helleri ------FSC Current -- Smooth Coneflower Echinacea laevigata E E Historical E Current Glades, woodlands, and open areas over mafic rocks Virginia Cup-plant Silphium connatum SC-V --Current ----Floodplains, rich alluvial woods Virginia Spiderwort Tradescantia virginiana T --Current ----Rich woods on circumneutral soils Notes: 1 State Status, Federal Status, County Record Status and Habitat Requirements obtained from North Carolina Department of Environment and Natural Resources, Natural Heritage Program website, http://portal.ncdenr.org/web/nhp/database-search 2 Federal (USFWS Raleigh Field Office) Status and Federal Record Status obtained from U.S. Fish & Wildlife Service, Endangered Species, Threatened Species, Federal Species of Concern and Candidate Species website, http://www.fws.gov/raleigh/species/cntylist/nc_counties.html Protection StatusSpecies Habitat Requirements1 Invertebrate Vertebrate Vascular Plant 1 of 1 Page 1 of 4 Table 15-1. Wells with 2L Standard Exceedances – Constituents to be Speciated Well ID Approximate Well Total Depth (ft. bgs) Well Screen Length (ft) Approximate Well Screen Interval (ft. bgs) Analysis Parameters* AB-5D 40 35 35-40 Table 10 AB-5S 22 7 7-22 Table 10 AB-10D 61 5 56-61 Table 10** As (III & V) Cr (III & VI) Fe (II & III) Mn (II & IV) Se (II, IV, & VI) Radium/Uranium AB-10S 30 15 15-30 Table 10** As (III & V) Cr (III & VI) Fe (II & III) Mn (II & IV) Se (II, IV, & VI) Radium/Uranium AB-10SL 48 5 43-48 Table 10** As (III & V) Cr (III & VI) Fe (II & III) Mn (II & IV) Se (II, IV, & VI) Radium/Uranium AB-25BR 149 5 144-149 Table 10** Cr (III & VI) Radium/Uranium AB-25D 87 5 82-87 Table 10** Mn (II & IV) Radium/Uranium AB-25S 45 15 30-45 Table 10** As (III & V) Mn (II & IV) Radium/Uranium AB-30BR 114 5 109-114 Table 10 AB-30D 59 5 54-59 Table 10 Mn (II & IV) AB-30S 30 15 15-30 Table 10 Mn (II & IV) AB-35BR 86 5 81-86 Table 10 As (III & V) Mn (II & IV) AS-2D 58 5 53-58 Table 10 AS-4D 40 5 35-40 Table 10 Fe (II & III) Mn (II & IV) AS-6D 61 5 56-61 Table 10 AS-8BR 69 5 64-69 Table 10 Fe (II & III) Mn (II & IV) AS-8D 53 5 48-53 Table 10 Page 2 of 4 Well ID Approximate Well Total Depth (ft. bgs) Well Screen Length (ft) Approximate Well Screen Interval (ft. bgs) Analysis Parameters* AS-10D 43 5 38-43 Table 10 Se (II, IV, & VI) AS-12D 23.9 10 13.9-23.9 Table 10 BG-1D 14 5 9-14 Table 10 BG-5D 33 5 28-33 Table 10** Radium/Uranium BG-5S 20.5 10.5 10.5-20.5 Table 10 ** Radium/Uranium GWA-1D 119 5 114-119 Table 10 GWA-1S 45 15 30-45 Table 10 GWA-2D 61 5 56-61 Table 10 GWA-2S 31 15 16-31 Table 10 GWA-3D 39 5 34-39 Table 10 GWA-3S 28.8 15 13.8-28.8 Table 10 GWA-4D 48 5 43-48 Table 10 Fe (II & III) GWA-4S 35 15 22-35 Table 10 Fe (II & III) Mn (II & IV) GWA-5BR 60 5 55-60 Table 10 GWA-6D 34 5 29-34 Table 10 Fe (II & III) Mn (II & IV) GWA-6S 19 5 14-19 Table 10 Fe (II & III) Mn (II & IV) GWA-7D 51 5 46-51 Table 10 GWA-7S 29 15 14-29 Table 10 GWA-8D 40 5 35-40 Table 10 GWA-8S 21 15 6-21 Table 10 GWA-9D 72 5 67-72 Table 10 GWA-9S 47 15 32-47 Table 10 GWA-10D 38.8 5 33-38 Table 10 Fe (II & III) Mn (II & IV) GWA-10S 28 15 13-28 Table 10 GWA-11D 34.5 15 29.5-34.5 Table 10 GWA-11S 25 5 20-25 Table 10 GWA-12D 32 5 27-32 Table 10 GWA-12S 15.5 10 5.5-15.5 Table 10 GWA-14D 16.5 5 11.5-16.5 Table 10 GWA-14S 8 5 3-8 Table 10 GWA-15D 31 5 26-31 Table 10 Page 3 of 4 Well ID Approximate Well Total Depth (ft. bgs) Well Screen Length (ft) Approximate Well Screen Interval (ft. bgs) Analysis Parameters* GWA-15S 12.5 5 7.5-12.5 Table 10 MW -10 20.8 10 10.8-20.8 Table 10 MW -10D 72.55 5 67.55-72.55 Table 10 MW -11 24.39 10 14.39-24.39 Table 10 ** Radium/Uranium MW -11D 55.82 5 50.82-55.82 Table 10 ** Radium/Uranium MW -12 37.12 10 27.12-37.12 Table 10 MW -12D 44.97 5 39.97-44.97 Table 10 MW -20D 44.2 5 39.2-44.2 Table 10 MW -20S 22.11 15 7.11-22.11 Table 10 MW -21D 21.4 5 16.4-21.4 Table 10 MW -21S 11.56 5 6.56-11.56 Table 10 MW -22BR 63 5 58-63 Table 10 Fe (II & III) Mn (II & IV) MW -22D 37.15 5 31.95-36.95 Table 10 Fe (II & III) Mn (II & IV) MW -22S 22.55 10 12.35-22.35 Table 10 Fe (II & III) Mn (II & IV) MW -23BR 61 5 56-61 Table 10 MW -23D 20.11 10 10.11-20.11 Table 10 MW -301BR 42 5 37-42 Table 10 MW -303BR 142 5 137-142 Table 10 MW -306BR 107 5 102-107 Table 10 Fe (II & III) Mn (II & IV) MW -308BR 82 5 77-82 Table 10 MW -310BR 78 5 73-78 Table 10 Fe (II & III) Mn (II & IV) MW -311BR 125 5 120-125 Table 10 Fe (II & III) Mn (II & IV) MW -314BR 74 5 69-74 Table 10 Fe (II & III) MW -315BR 73.7 15 59.7-73.7 Table 10 Cr (III & VI) Fe (II & III) Mn (II & IV) MW -317BR 88 5 83-88 Table 10 MW -318D 49.5 5 44.5-49.5 Table 10 MW -9 21.94 10 11.94-21.94 Table 10 MW -9D 71.05 5 66.05-71.05 Table 10 Page 4 of 4 Well ID Approximate Well Total Depth (ft. bgs) Well Screen Length (ft) Approximate Well Screen Interval (ft. bgs) Analysis Parameters* OW -308D 15 10 5-15 Table 10 OW -310D 24 5 19-24 Table 10 Page 1 of 1 Table 16-1. Recommended Parameters and Constituents PARAMETER RL UNITS METHOD FIELD PARAMETERS pH NA SU Field Water Quality Meter Conductivity NA mmho/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 DETECTION MONITORING CONSTITUENTS Boron 50 µg/L EPA 200.7 or 6010 Calcium 0.01 mg/L EPA 200.7 Chloride 0.1 mg/L EPA 300.0 or 9056A Fluoride mg/L Sulfate 0.1 mg/L EPA 300.0 or 9056A Total Dissolved Solids 25 mg/L SM 2540C ASSESSMENT MONITORING CONSTITUENTS Antimony 1 µg/L EPA 200.8 or 6020 Arsenic 1 µg/L EPA 200.8 or 6020 Barium 5 µg/L EPA 200.7 or 6010 Beryllium 1 µg/L EPA 200.8 or 6020A Chromium µg/L EPA 200.7 or 6010 Cobalt 1 µg/L EPA 200.8 or 6020A Iron 10 µg/L EPA 200.7 or 6010 Lead 1 µg/L EPA 200.8 or 6020 Manganese 5 µg/L EPA 200.7 or 6010 Total Combined Radium (226 and 228) 4 5 pCi/L EPA 903.0 Selenium 1 µg/L EPA 200.8 or 6020 Thallium (low level) 0.2 µg/L EPA 200.8 or 6020 Vanadium (low level) 0.3 mg/L EPA 200.8 or 6020A Page 1 of 1 Table 16-2. Sample Locations in Interim Groundwater Monitoring Plan Well ID Location / Purpose GWA-1S Background GWA-1D Background GWA-9S Background GWA-9D Background GWA-14S Background GWA-14D Background MW -23D Background MW -23BR Background BG-5S Background BG-5D Background MW -21S Down-gradient – Ash Basin MW -22D Down-gradient – Ash Basin GWA-5BR Down-gradient – Ash Basin MW -22S Down-gradient – Ash Basin MW -22D Down-gradient – Ash Basin MW -22BR Down-gradient – Ash Basin AB-30S Down-gradient – Ash Basin AB-30D Down-gradient – Ash Basin AB-30BR Down-gradient – Ash Basin GWA-10S Down-gradient – Ash Storage GWA-10D Down-gradient – Ash Storage GWA-11S Down-gradient – Ash Storage GWA-11D Down-gradient – Ash Storage Page 1 of 1 Table 17-1. Maximum Contaminant Concentrations COI Maximum Constituent of Interest (COI) Concentrations Groundwater (µg/L) Ash Porewater (µg/L) Seep Water (µg/L) Ash Basin Surface Water (µg/L) Aluminum 6,940 13,200 3,410 613 Antimony 2.9 9.8 N/A 1.21 Arsenic 809 422 1.68 51.1 Barium 380 810 74 99 Beryllium 3.7 12.1 N/A N/A Boron 1,310 630 130J+ 364 Cadmium 1.8 1.3 N/A N/A Chromium 30.1 50 3.86 N/A Cobalt 29.2 34.1 4.88 N/A Copper 10.9 197 6.15J+ 5.11J+ Iron 36,400 25,100 5,720 323 Lead 9.42 77.4 3.97 N/A Manganese 3,700 1,500 2,200 154 Nickel 46.9 70.1 3.3 2.5 Selenium 35.3 12.2 N/A 2.87 Sulfate 416,000 125,000 38,400 90,000 TDS 873,000 358,000 211,000 270,000 Thallium 0.55 3.4 0.036J N/A Vanadium 15.3 254 8.06 6.65 Zinc 390 51 11J+ 212 Notes: 1. N/A indicates that a constituent was not detected above the reporting detected limit. 2. J indicates an estimated concentration. 3. J+ indicates an estimated concentration, biased high.