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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.)
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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
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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
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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.
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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
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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.
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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
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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
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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
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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)
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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
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Page 2 of 5
Ta
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Ta
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Page 5 of 5
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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
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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
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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.