MAYO_BG_Soil_March 2017_20171005

TABLE 1
UNSATURATED BACKGROUND SOIL DATA SUMMARY
MAYO STEAM ELECTRIC PLANT
DUKE ENERGY PROGRESS, LLC, ROXBORO, NC
Analytical Parameter
pH
I
Aluminum
I
Antimony
Arsenic
Barium
Beryllium
Boron
Cadmium
Calcium
Chloride
Chromium
Cobalt
Copper
Iron
Lead
Magnesium
Manganese
Mercury
Molybdenum
Nickel
itrate
N)
(as
Potassium
Selenium
Sodium
Strontium
Sulfate
Thallium
Vanadium
Zinc
Reporting Units
S.U.
mg/kg
mg/kg
mg/kg
mg/kg
mg/kg
mg/kg
mg/kg
mg/kg
mg/kg
mg/kg
mg/kg
mg/kg
mg/kg
mg/kg
mg/kg
mg/kg
mg/kg
mg/kg
mg/kg
mg/kg
mg/kg
mg/kg
mg/kg
mg/kg
mg/kg
mg/kg
mg/kg
mg/kg
PSRG Protection of Groundwater
NE
NE
0.9
5.8
580
63
45
3
NE
NE
360000
0.9
700
150
270
NE
65
1
NE
130
NE
NE
2.1
NE
NE
NE
0.28
6
1200
Sample ID
Sample
Collection Date
Analytical Results
MW-03BR (0.8-1.25)
02/05/2015
5.0
7030
-<3
<3
57.6
0.34 j
<3
<0.36
332
<299
11.3
5.4
6.3
8480
3.3
2500
327
9.9i3
<6
5.1
<29.9
1070
-<3
<59.7
5.4
<299
-<3
16
25.3
MW-08BR (0.75-1.25)
02/11/2015
6.0
14500
< 3.2
<3.2
4-4-7
0.82
<63.4
<0.38
1120
<309
62.2
2-1.3
34.7
24700
8.9
i9599
1230
<0.0096
<12.7
2-9-.4
<30.9
6599
< 3.2
1279
13.2
<309
<3..2
50.6
g
MW-08BR (25.5-26)
02/11/2015
7.4
23700
< 2.7
<2.7
443
0.39
31-i
<0.33
3740
<272
43-3
32-.9
45.7
31300
2 j
29999
933
<0.0089
<10.9
35-7
<27.2
5450
< 2.7
173
33-6
<272
< 2.7
75.8
59.4
MW-10BR (0.75-1.0)
02/23/2015
6.3
7640
<1.1
1.4
81.8
0.4
13.6 j
0.1 j
1210
NA
41.9
12.4
28.9
18600
9.8
5590
527
0.0053 j
<0.57
16.3
NA
2660
1.4
93.4
9.4
NA
<i.i
35.1
61.3
MW-11BR (0-2)
04/14/2015
5.2
19700
<7.5
<7.S
43.1
<0.38
<18.8
<0.89
1690
<354
22.6
6.4 j
59.1
52900
6.1 j
1590
52.6
8-4-8
<3.8
1.4 j
<35.4
<376
<7.S
<376
18.6
<354
<7.S
2-G&
17.2
MW-12D (1-2)
04/26/2015
4.9
11000
-<-6
3.6 j
19.6
<0.3
27.4
<0.72
<150
<302
43.6
<6
12.4
31200
6.8
139 j
22.1
0.036
<3
0.83 j
<30.2
182 j
-<-6
<299
<3
<302
-<-6
61
5.2 j
MW-12D (25-26)
04/27/2015
5.9
3530
-<-6
<6
67.4
<0.3
9.8 j
<0.72
<149
<301
3.2
6
22.4
11900
7.2
1190
395
<0.0095
<3
<1.5
<30.1
1520
-<-6
<299
<3
<301
-<-6
8.2
15
MW-13BR (0-2)
04/12/2015
4.9
15500
<6.5
<6.S
72.9
0.33
<16.3
<0.78
38.1
<334
6.1
<6.S
10.9
19600
6.2 j
1840
82.8
0.029
0.42 j
0.53
<33.4
1360
<6.S
<65.1
1.8
<334
<6.S
32.4
25.4
MW-15BR (0.5-1)
05/09/2015
5.2
8440
< 6.2
6.2
64.6
0.24 j
<15.5
<0.74
451
<305
10.4
3.9 j
12.5
15600
4.7 j
3760
108
0.0056 j
<3.1
1.3 j
<30.5
1370
6.2
<309
11.2
<305
6.2
27.1
18.9
SB-01 (1-2)
03/04/2015
6.3
7030
<1.4
1.2 j
49.6
0.24
9.6
<0.17
655
<362
15.7
3.7
8.8
12400
9.6
1670
104
0.033
<0.7
2.5
<36.2
881
<1.4
35.4 j
6
<3624
28.3
14.5
SB-01 (13.5-14.5)
03/04/2015
5.5
4960
< 1. 8
1.2 j
61.5
0.56
<15.9
<0.15
270
<312
<1.6
8.9
20.6
8490
2.9
2440
678
<0.01
<3.2
<1.6
<31.2
1550
1.4
40.7 j
8.3
<312
< 1. 8
17.8
13.2
SB-02 (0.5-2)
03/03/2015
5.3
10200
1.6
1.9
65.7
0.52
16.3 j
0.13 j
227
<392
12.9
6.4
22.8
18300
7.5
2420
365
0.02
<0.8
1.7
<39.2
2020
1.3 j
<79.8
4.3
<392
<1.6
44.8
27.3
SB-02 (11.0-12.5)
03/03/2015
6.0
5930
< 1. 2
1.5
31.3
0.39
7.8
<0.15
22.2 j
<309
10.8
1.6
5.5
10300
4.8
1070
69.4
<0.0096
0.89
0.91
<30.9
800
0.85 j
30.9 j
1.1
<309
< 1. 2
23.8
14.9
SB-03 (5-6)
03/04/2015
3-.6
5030
< 1. 1
0.64 j
55.2
0.15
5.7
0.094 j
1420
<272
20.7
4.9
14
8070
2.4
3810
348
0.0096
1.1
t 7.7
<27.2
2950
<1.1
104
11
<272
�i
15
30.8
SB-03 (17-18.5)
03/04/2015
4.9
11800
�S
1.6
51.4
0.26
12.9
<0.18
208
<360
35.6
5.2
15.5
18100
8.2
4250
120
<0.012
<0.75
10.9
<36
2410
<1.5
40.9 j
4.4
<360
< 1. S
38.4
32.4
SB-05 (1-2)
03/04/2015
6.0
5320
< 1.4
1.8
47.1
0.36
<17
0.12 j
313
<346
<1.7
2.8
11.1
8280
5.4
1940
406
<0.011
<3.4
<1.7
<34.6
1730
1.9
<340
4.2
<346
< 1.4
6.8
36.3
SB-05 (2.3-3.3)
03/04/2015
5.9
3510
< 1. 1
1.1
40.9
0.35
<13.5
0.091 j
189
<271
<1.4
1.7
3.9
6670
5.5
1660
393
<0.0086
<2.7
<1.4
<27.1
1550
1.2
<271
5.2
<271
< i. i
5.9
31.6
SB-05 (8-9)
03/04/2015
6.5
1480
< 1. 1
1 j
22.2
0.5
<13.7
<0.13
81.4
<272
<1.4
2.2
43.8
5790
11.8
368
195
<0.0093
0.36 j
<0.27
<27.2
111
0.87 j
46.7 j
3.1
<272
< i. i
4.8
12.3
SB-06 (1-2)
03/04/2015
5.9
2510
< 1. 8
1.2 j
54.8
0.17
2.9 j
i <0.15
<32.1
<309
0.74
2.5
13.1
3920
4.2
816
192
<0.0093
<0.64
0.55
<30.9
801
0.9 j
1 67.2
4.1
<309
< 1. 8
2.7
14.7
Total Count of Valid Samples
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Prepared by: JHG Checked by: RHJ
Notes:
-54 = Indicates values omitted from dataset.
Indicates data removed /identified as an outlier
< = concentration not detected at or above the adjusted reporting limit.
j = Estimated concentration above the adjusted method detection limit and below the adjusted reporting limit.
mg/kg = milligrams per kilogram
NA = Not analyzed
NE = Not established
PSRG Protection of Groundwater = NCDEQ IHSB Preliminary Soil Remediation Soil Remediation Goals Table - October 2016
S.U. = Standard Units
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