EDEN NORTH CAROLINA COAL ASH SPILL
SURFACE WATER RESULTS
NOTE: The data below represents surface water samples that were collected on June 12, 2014 by EPA START (Team 1) sampling teams. Water sample
measurements are in milligrams per liter (mg/L) and/or micrograms per liter (|_ig/L) for these samples. The data is being compared to EPA ecological risk
screening levels (ERSLs) to protect aquatic life in the surface water of the Dan River. Specific qualifiers and footnotes are listed below the summary table.
These samples were collected at various locations along the river (refer to map for generalized locations). The detected concentrations in surface water are
all below the EPA ERSLs. When chemical concentrations exceed the screening values it doesn't mean there will be adverse health or ecological effects,
but recommends further investigation may be needed.
Analyte
Ecological Screening
Standard for Surface
Water Samples1
DRSS Boat Ramp
Hwy 700
Hwy 880
Sample Information
Sample ID
EDEN-DUKE-L-SW-
20140612
EDEN-HW700-C-SW-
20140612
EDEN-BHB-C-SW-
20140612
Date
-
06/12/2014
06/12/2014
06/12/2014
Time
-
1256
1214
1125
Status
-
Validation Complete
Validation Complete
Validation Complete
Type
-
Surface Water
Surface Water
Surface Water
Dissolved metals
Aluminum
87
jig/L
18
jig/L
21
jig/L
21
jig/L
Antimony
5.6
jig/L
1U
jig/L
1U
jig/L
1U
jig/L
Arsenic
10
jig/L
1U
jig/L
1U
jig/L
1U
jig/L
Barium
220
jig/L
18
jig/L
18
jig/L
18
jig/L
Beryllium
0.66
jig/L
0.4U
jig/L
0.4U
jig/L
0.4U
jig/L
Boron
0.36
mg/L
0.11
mg/L
0.12
mg/L
0.12
mg/L
Cadmium
0.1
jig/L
0.1U
jig/L
0.1U
jig/L
0.1U
jig/L
Calcium
-
-
7100
jig/L
6900
jig/L
7000
jig/L
Chromium
25
jig/L
2U
jig/L
2U
jig/L
2U
jig/L
Cobalt
3
jig/L
0.13J
jig/L
0.12J
jig/L
0.4U
jig/L
Copper
3
jig/L
0.87J
jig/L
0.8J
jig/L
1.4
jig/L
Iron
1,000
jig/L
190
jig/L
200
jig/L
160
jig/L
Lead
0.59
jig/L
0.083J
jig/L
0.089J
jig/L
0.12J
jig/L
Magnesium
-
-
2600
jig/L
2600
jig/L
2600
jig/L
Manganese
200
jig/L
18
jig/L
15
jig/L
9
jig/L
Mercury
0.000012
mg/L
0.0002U
mg/L
0.0002U
mg/L
0.0002U
mg/L
Molybdenum
800
jig/L
0.49J
jig/L
1U
jig/L
0.92J
jig/L
Nickel
17
jig/L
0.68J
jig/L
0.42J
jig/L
0.41J
jig/L
Potassium
53,000
jig/L
1800
jig/L
1700
jig/L
1700
jig/L
Selenium
5
jig/L
2U
jig/L
2U
jig/L
2U
jig/L
Silver
0.06
jig/L
1U
jig/L
1U
jig/L
1U
jig/L
Sodium
680,000
jig/L
5200
jig/L
4400
jig/L
5000
jig/L
Thallium
0.24
jig/L
0.2U
jig/L
0.2U
jig/L
0.2U
jig/L
Vanadium
27
jig/L
1.2J+
jig/L
1.1 J+
jig/L
1.2J+
jig/L
Zinc
39
jig/L
20U
jig/L
20U
jig/L
20U
jig/L
Total Dissolved Solids
Total Dissolved Solids
-
-
74
mg/L
69
mg/L
71
mg/L
Total Suspended Solids
Total Suspended Solids
-
-
14
mg/L
23
mg/L
24
mg/L
United States
Environmental Protection
^1 JF m Agency
1 of 4
Eden North Carolina Coal Ash Spill
-------
EDEN NORTH CAROLINA COAL ASH SPILL
SURFACE WATER RESULTS
Analyte
Ecological Screening
Standard for Surface
Water Samples1
DRSS Boat Ramp
Hwy 700
Hwy 880
Sample Information
Sample ID
EDEN-DUKE-L-SW-
20140612
EDEN-HW700-C-SW-
20140612
EDEN-BHB-C-SW-
20140612
Date
-
06/12/2014
06/12/2014
06/12/2014
Time
-
1256
1214
1125
Status
-
Validation Complete
Validation Complete
Validation Complete
Type
-
Surface Water
Surface Water
Surface Water
Total Metals
Aluminum
2,000
jig/L
150
jig/L
170
jig/L
180
jig/L
Antimony
5.6
jig/L
1U
jig/L
1U
jig/L
1U
jig/L
Arsenic
10
jig/L
0.53J
jig/L
1U
jig/L
0.49J
jig/L
Barium
220
jig/L
20
jig/L
21
jig/L
22
jig/L
Beryllium
0.66
jig/L
0.4U
jig/L
0.4U
jig/L
0.4U
jig/L
Boron
0.36
mg/L
0.11
mg/L
0.12
mg/L
0.12
mg/L
Cadmium
2
jig/L
0.061J
jig/L
0.1U
jig/L
0.1U
jig/L
Calcium
-
-
7200
jig/L
7000
jig/L
7100
jig/L
Chromium
29
jig/L
1.1J
jig/L
2.4
jig/L
2U
jig/L
Cobalt
24
jig/L
0.29J
jig/L
0.34J
jig/L
0.34J
jig/L
Copper
3
f-ig/L
1.2
f-ig/L
1.1
f-ig/L
2
f-ig/L
Iron
2,300
jig/L
480
jig/L
510
jig/L
460
jig/L
Lead
0.6
jig/L
0.34
jig/L
0.5
jig/L
0.56
jig/L
Magnesium
-
-
2700
jig/L
2600
jig/L
2700
jig/L
Manganese
200
jig/L
36
jig/L
44
jig/L
40
jig/L
Mercury
0.000012
mg/L
0.0002U
mg/L
0.0002U
mg/L
0.0002U
mg/L
Molybdenum
-
-
1U
jig/L
1U
jig/L
0.72J
jig/L
Nickel
17
jig/L
0.71J
jig/L
1.3
jig/L
0.6J
jig/L
Potassium
53,000
jig/L
1800
jig/L
1700
jig/L
1800
jig/L
Selenium
5
jig/L
2U
jig/L
2U
jig/L
2U
jig/L
Silver
0.06
jig/L
1U
jig/L
1U
jig/L
1U
jig/L
Sodium
680,000
jig/L
5400
jig/L
4300
jig/L
5000
jig/L
Thallium
0.24
jig/L
0.2U
jig/L
0.2U
jig/L
0.2U
jig/L
Vanadium
27
jig/L
1.5J+
jig/L
1.7J+
jig/L
1.8J+
jig/L
Zinc
39
jig/L
3.3J
jig/L
20U
jig/L
20U
jig/L
Anions
Bromide
-
-
55
jig/L
60
jig/L
60
jig/L
Chloride
230
mg/L
8.3
mg/L
7.6
mg/L
7.9
mg/L
Sulfate
-
-
5.5
mg/L
4.1
mg/L
4.6
mg/L
Wet Chemistry
Alkalinity, Total (As CaC03)
-
-
23
mg/L
22
mg/L
34
mg/L
Hardness, Calcium/Magnesium (As CaC03)
-
-
29
mg/L
28
mg/L
29
mg/L
Organic Carbon, Dissolved
-
-
1.3
mg/L
1.2
mg/L
1.4
mg/L
pH
6.5-9.0
SU
7.44J
SU
7.17J
SU
7.36J
SU
Notes
Value obtained from the GL Tier 2 Values; National
Recommended Water Quality Criteria; Suter and Tsao
(1996); Reference condition for EcoRegion XI
(25 percentile); NCDENR State Standards for surface
water
EPA U.S. Environmental Protection Agency
J Value is estimated
J+ Value is estimated with a possible high bias
J- Value is estimated with a possible low bias
(.ig/L micrograms per liter
mg/L milligrams per liter
SU standard units
U Analyte was not detected at the listed reporting limit.
United States
Environmental Protection
^1 JF m Agency
2 of 4
Eden North Carolina Coal Ash Spill
-------
EDEN NORTH CAROLINA COAL ASH SPILL
SURFACE WATER RESULTS
Analyte
Ecological Screening
Standard for Surface
Water Samples1
Abreu-Grogan Park
Boat Dock
Hwy 58
Hwy 360
Sample Information
Sample ID
EDEN-DANIN-R-SW-
20140612
EDEN-HW58-C-SW-
20140612
EDEN-HW360-C-SW-
20140612
Date
-
06/12/2014
06/12/2014
06/12/2014
Time
-
1055
0858
0944
Status
-
Validation Complete
Validation Complete
Validation Complete
Type
-
Surface Water
Surface Water
Surface Water
Dissolved metals
Aluminum
87
pg/L
16
pg/L
17
pg/L
13
pg/L
Antimony
5.6
pg/L
1U
pg/L
1U
pg/L
1U
pg/L
Arsenic
10
pg/L
1U
pg/L
1U
pg/L
1U
pg/L
Barium
220
pg/L
21
pg/L
20
pg/L
23
pg/L
Beryllium
0.66
pg/L
0.4U
pg/L
0.4U
pg/L
0.4U
pg/L
Boron
0.36
mg/L
0.15
mg/L
0.15
mg/L
0.13
mg/L
Cadmium
0.1
pg/L
0.1U
pg/L
0.1U
pg/L
0.1U
pg/L
Calcium
-
-
7800
pg/L
8200
pg/L
8000
pg/L
Chromium
25
pg/L
2U
pg/L
2U
pg/L
2U
pg/L
Cobalt
3
pg/L
0.17J
pg/L
0.4U
pg/L
0.4U
pg/L
Copper
3
pg/L
1
pg/L
0.92 J
pg/L
0.88J
pg/L
Iron
1,000
pg/L
200
pg/L
180
pg/L
140
pg/L
Lead
0.59
pg/L
0.093J
pg/L
0.11J
pg/L
0.074J
pg/L
Magnesium
-
-
2800
pg/L
3000
pg/L
3000
pg/L
Manganese
200
pg/L
49
pg/L
4.3
pg/L
5.7
pg/L
Mercury
0.000012
mg/L
0.0002U
mg/L
0.0002U
mg/L
0.0002U
mg/L
Molybdenum
800
pg/L
0.77J
pg/L
0.57J
pg/L
0.55J
pg/L
Nickel
17
pg/L
0.44J
pg/L
0.58J
pg/L
0.41J
pg/L
Potassium
53,000
pg/L
1700
pg/L
2000
pg/L
2000
pg/L
Selenium
5
pg/L
2U
pg/L
2U
pg/L
2U
pg/L
Silver
0.06
pg/L
1U
pg/L
1U
pg/L
1U
pg/L
Sodium
680,000
pg/L
5100
pg/L
9300
pg/L
9400
pg/L
Thallium
0.24
pg/L
0.2U
pg/L
0.2U
pg/L
0.2U
pg/L
Vanadium
27
pg/L
1.3J+
pg/L
1.4J+
pg/L
1.2J+
pg/L
Zinc
39
pg/L
20U
pg/L
20U
pg/L
20U
pg/L
Total Dissolved Solids
Total Dissolved Solids
-
-
94
mg/L
89
mg/L
110
mg/L
Total Suspended Solids
Total Suspended Solids
-
-
16
mg/L
17
mg/L
19
mg/L
United States
Environmental Protection
^1 JF m Agency
3 of 4
Eden North Carolina Coal Ash Spill
-------
EDEN NORTH CAROLINA COAL ASH SPILL
SURFACE WATER RESULTS
Analyte
Ecological Screening
Standard for Surface
Water Samples1
Abreu-Grogan Park
Boat Dock
Hwy 58
Hwy 360
Sample Information
Sample ID
EDEN-DANIN-R-SW-
20140612
EDEN-HW58-C-SW-
20140612
EDEN-HW360-C-SW-
20140612
Date
-
06/12/2014
06/12/2014
06/12/2014
Time
-
1055
0858
0944
Status
-
Validation Complete
Validation Complete
Validation Complete
Type
-
Surface Water
Surface Water
Surface Water
Total Metals
Aluminum
2,000
jig/L
100
jig/L
120
jig/L
90
jig/L
Antimony
5.6
jig/L
1U
jig/L
1U
jig/L
1U
jig/L
Arsenic
10
jig/L
0.53J
jig/L
0.47J
jig/L
1U
jig/L
Barium
220
jig/L
23
jig/L
24
jig/L
26
jig/L
Beryllium
0.66
jig/L
0.4U
jig/L
0.4U
jig/L
0.4U
jig/L
Boron
0.36
mg/L
0.15
mg/L
0.16
mg/L
0.14
mg/L
Cadmium
2
jig/L
0.1U
jig/L
0.1U
jig/L
0.057J
jig/L
Calcium
-
-
7800
jig/L
8300
jig/L
8200
jig/L
Chromium
29
jig/L
1.1J
jig/L
1.3J
jig/L
2U
jig/L
Cobalt
24
jig/L
0.29J
jig/L
0.29J
jig/L
0.27J
jig/L
Copper
3
f-ig/L
1.4
f-ig/L
1.3
f-ig/L
1.3
f-ig/L
Iron
2,300
jig/L
410
jig/L
440
jig/L
390
jig/L
Lead
0.6
jig/L
0.34
jig/L
0.49
jig/L
0.42
jig/L
Magnesium
-
-
2800
jig/L
3100
jig/L
3100
jig/L
Manganese
200
jig/L
63
jig/L
37
jig/L
33
jig/L
Mercury
0.000012
mg/L
0.0002U
mg/L
0.0002U
mg/L
0.0002U
mg/L
Molybdenum
-
-
0.66J
jig/L
0.47J
jig/L
1U
jig/L
Nickel
17
jig/L
0.55J
jig/L
0.64 J
jig/L
0.65J
jig/L
Potassium
53,000
jig/L
1700
jig/L
2000
jig/L
2100
jig/L
Selenium
5
jig/L
2U
jig/L
2U
jig/L
2U
jig/L
Silver
0.06
jig/L
1U
jig/L
1U
jig/L
1U
jig/L
Sodium
680,000
jig/L
5200
jig/L
9400
jig/L
9400
jig/L
Thallium
0.24
jig/L
0.2U
jig/L
0.2U
jig/L
0.2U
jig/L
Vanadium
27
jig/L
1.6J+
jig/L
2J+
jig/L
1.7J+
jig/L
Zinc
39
jig/L
20U
jig/L
20U
jig/L
20U
jig/L
Anions
Bromide
-
-
78
jig/L
160
jig/L
150
jig/L
Chloride
230
mg/L
9.4
mg/L
16
mg/L
15
mg/L
Sulfate
-
-
4.6
mg/L
5.6
mg/L
5.6
mg/L
Wet Chemistry
Alkalinity, Total (As CaC03)
-
-
28
mg/L
32
mg/L
32
mg/L
Hardness, Calcium/Magnesium (As CaC03)
-
-
31
mg/L
33
mg/L
33
mg/L
Organic Carbon, Dissolved
-
-
0.9J
mg/L
1.1
mg/L
1.1
mg/L
pH
6.5-9.0
SU
7.23J
SU
7.48J
SU
7.23J
SU
Notes
Value obtained from the GL Tier 2 Values; National
Recommended Water Quality Criteria; Suter and Tsao
(1996); Reference condition for EcoRegion XI
(25 percentile); NCDENR State Standards for surface
water
EPA U.S. Environmental Protection Agency
J Value is estimated
J+ Value is estimated with a possible high bias
J- Value is estimated with a possible low bias
(.ig/L micrograms per liter
mg/L milligrams per liter
SU standard units
U Analyte was not detected at the listed reporting limit.
United States
Environmental Protection
^1 JF m Agency
4 of 4
Eden North Carolina Coal Ash Spill
-------
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