NC0003468_DRSS CSA Rpt_Sect_8_Figures_20150814

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D a n R i v e r
MW11DMW11D
MW10DMW10D
MW9D
MW20S/DMW20S/D
MW12DMW12D
OW320DOW320D
OW305SOW305S
OW308DOW308D
SOIL ANALYTICAL RESULTS – PLAN VIEW (PSRG EXCEEDANCES)
CLEVELAND & RUTHERFORD COUNTIES, NORTH CAROLINA
LEGEND:
&<GROUNDWATER ASSESSMENTMONITORING WELL
&<ASSESSMENT SOIL BORING
&<ASSESSMENT TEMPORARYMONITORING WELL
&<CLOSURE OBSERVATION WELL
&<COMPLIANCE GROUNDWATERMONITORING WELL
&<VOLUNTARY GROUNDWATERMONITORING WELL
ASH BASIN COMPLIANCE BOUNDARY
ASH BASIN COMPLIANCE BOUNDARYCOINCIDENT WITH DUKE ENERGYPROPERTY BOUNDARY
ASH BASIN WASTE BOUNDARY
DUKE ENERGY PROPERTY BOUNDARY
FIGURE
AUGUST 2015
8-1
DUKE ENERGY CAROLINAS, LLCDAN RIVER STEAM STATION ASH BASIN
N
NOTES:U = NOT DETECTED ABOVE THE LABORATORY REPORTING LIMITJ = ESTIMATED CONCENTRATION<3.0 = LESS THAN THE LABORATORY REPORTING LIMITJ+ = ESTIMATED CONCENTRATION BIASED HIGHJ- = ESTIMATED CONCENTRATION BIASED LOW
PSRG: PRELIMINARY SOIL REMEDIATION GOALft: FEETmg/kg: MILLIGRAMS PER KILOGRAMµg/L: MICROGRAMS PER LITERBOLD: EXCEEDS INDUSTRIAL HEALTH STANDARDUNDERLINED & ITALICS: EXCEEDS PROTECTION OF GROUNDWATERBOLD, UNDERLINED & ITALICS: EXCEEDS BOTH INDUSTRIAL HEALTHSTANDARD & PROTECTION OF GROUNDWATER
500 0 500 1,000
SCALE (FEET)
Sample Depth (ft )20-21.5 20-21.5 25-26.5 30-31.5AshAshAshAsh
Arsenic 69.1 85.5 46.5 18.1Cobalt8.5 8.5 J 7.5 J *DNEIron7,820 5,660 7,850 7,040Selenium*DNE 9.6 J *DNE *DNEVanadium47.3 72.1 37.1 16Manganese87.4 69.9 87 *DNE
A B-5D
A nalyt e (mg/kg)
Sample Dept h (ft )15-20Ash
Arsenic 81.5Cobalt10.1Iron10,500Selenium4.9 JVanadium57.9Manganese106
A B-5S
A nalyt e (mg/kg)
Sample Dept h (ft )3-5 34-36 44-46AshAshSoil
Arse nic 71.6 7.1 J *DNECobalt14.9 13 12.6Iron9,500 23,200 23,700Selenium7.6 J *DNE *DNEBarium945*DNE *DNEVanadium57.8 52.7 48.6Manganese95.9 597 543
MW-311BR
A nalyt e (mg/kg)
Sample Dept h (ft)5.5-6.5Soil
Cobalt 18.7Iron57,900Selenium10.2Vanadium50.5Manganese597
GWA -14S
A naly t e (mg/kg)
Sample Dept h (ft )10-11.5 20-21.5 25-26.5 35-35.4SoilSoilSoilSoil
Arse ni c *DNE 59.6 *DNE *DNEArsenic*DNE *DNE 3.6 J-*DNECobalt7.5 10.7 14.4 26.3Iron19,400 8,240 36,400 29,100Selenium*DNE *DNE 4.9 J-*DNEVanadium18.8 62.7 35.5 31.6Manganese2251042601,010
MW-310BR
A naly t e (mg/kg)
Sample Depth (ft )3-5 24-26 26-26.5AshAshSoil
Arseni c 55.9 33.4 9Cobalt9.9 5 J *DNEIron5,590 5,590 26,700Selenium5.2 J 4.2 J *DNEVanadium50.2 27.9 55.4Manganese92.9 *DNE *DNE
A B-15D
A nalyt e (mg/kg)
Sample Dept h (ft)0-2Soil
Cobal t 5.6 J+Iron 16,500Vanadium27.9Manganese177
BG-1D
A naly t e (mg/kg)
Sample Dept h (ft )1-2Soil
Arseni c 3.9 J-Cobal t 6.8 J-Iron 30,400Vanadium45.9Manganese113
BG-5D
A naly t e (mg/kg)
Sample Dept h (ft)9-11 13-14SoilSoil
Cobalt 3.5 J 13.6Iron5,260 20,300Vanadium12.1 52.4Manganese97.9 237
GWA -6S
A naly te (mg/kg)
Sample Dept h (ft )16-17 22-23 34-35SoilSoilSoil
Arse ni c *DNE 3.2 J *DNECobalt9.6 16.3 14Iron17,600 25,600 26,500Selenium*DNE 6.1 *DNEVanadium28.1 22.8 22.9Manganese659567500
GWA -7S
A naly t e (mg/kg)
Sample Depth (ft )7-8 17-23 27-29 29-31SoilSoilSoilSoil
Cobal t 19.7 11.9 4.4 J 11.8Iron37,700 24,000 11,000 21,600Vanadium72.4 57.2 6 18.4Manganese693359310968
MW-22BR
A nalyt e (mg/kg)
Sample Dept h (ft )0-2 3-5 40-41 45-46 50-51AshAshAshSoilSoil
Arse ni c 21.6 49.7 62.9 71.8 7.8Cobalt10.2 9.2 8 J 11.9 10.4Iron12,400 9,100 13,600 22,500 16,900Selenium3.5 J *DNE 10.4 5.6 J 6.7 JVanadium34.5 55.9 34.4 83.2 83.2Manganese18871.7 253 494 332
A B-25BR
A naly t e (mg/kg)Sample Dept h (ft )3-5Ash
Arse ni c 19.9Cobalt13.5Iron5,170Selenium13.4Vanadium40Manganese75.2
A B-20S
A nalyt e (mg/kg)
Sample Dept h (ft)3-4.5 21-22.5 24-25.5 34-35.5AshAshSoilSoil
Arseni c 45.5 32.2 *DNE *DNEArsenic*DNE *DNE 3.7 J *DNECobalt15.7 6.8 39.4 30.4Iron16,900 19,900 42,300 53,300Selenium*DNE 3.9 J 4.9 J *DNEBoron*DNE *DNE *DNE 50.6 JVanadium66.2 29.5 32.2 37.5Manganese3261811,600 1,530
MW-315BR
A nalyt e (mg/kg)
Sample Depth (ft)9-10 19-20 25-25 28-29SoilSoilSoilSoil
Cobal t 18.6 11.1 16.1 15.7Iron27,500 40,000 40,100 36,700Selenium*DNE *DNE 3 J *DNEVanadium26.6 20.8 22.5 24.7Manganese247376373449
GWA -10D
A naly te (mg/kg)
Sample Dept h (ft )1-2 10-11 20-21.5 35-36.5 40-40.3 45-45.2SoilSoilSoilSoilSoilSoil
Arsenic 7 J *DNE *DNE *DNE *DNE *DNECobalt8.9 J-16.1 7.5 22.6 12.8 10.9Iron33,600 27,700 28,800 34,400 26,700 28,700Vanadium37.3 35 34.3 21.5 27 28.6Manganese20060182.7 2,840 289 274
SB-3
A naly t e (mg/kg)
Sample Dept h (ft )1-2 10-11.5 15-16.5 20-21.5 25-26.5 35-35.5SoilSoilSoilSoilSoilSoil
Arse ni c *DNE *DNE *DNE *DNE 20 *DNEArsenic4 J-4.6 J 3.1 J 5.3 J *DNE *DNECobalt7 J+18.9 16.2 14.6 26.2 12.5Iron41,800 95,900 54,700 54,800 39,300 28,500Vanadium39.9 49.5 38.7 54.4 19.1 16Manganese113418202145328304
SB-1
A naly t e (mg/kg)
Sample Depth (ft )1-2 10-11.5 20-21.5 30-31.2 35-36 65-65.3SoilSoilSoilSoilSoilSoil
Arse ni c *DNE *DNE 10.6 9.2 *DNE 8.6Cobalt131242.6 20.1 12 21.8Iron30,300 49,100 60,300 42,700 37,100 49,200Vanadium21.3 41.4 33.8 24.2 26.2 34.1Manganese2332561,150 395 837 433
SB-2
A naly te (mg/kg)
Sample Dept h (ft )1-2Soil
A rse ni c 9.3Cobalt24.7Iron50,500Vanadium51.4Manganese1,050
MW-23BR
A naly t e (mg/kg)
Sample Dept h (ft )13-15Soil
Arsenic 30.6Cobalt23.9Iron58,700Boron60.1 JVanadium67.2Manganese698
GWA -12S
A naly t e (mg/kg)
Sample Depth (ft)5-10 15-20 20-22SoilSoilSoil
Cobal t 5.7 16.9 16.9Iron20,900 32,100 46,500Boron*DNE *DNE 47.1 JVanadium35.8 39 50.2Manganese122938326
GWA -8D
A nalyt e (mg/kg)
Sample Depth (ft )5-7 10-11 15-16SoilSoilSoil
Arseni c 10.2 *DNE *DNEArsenic*DNE 4.1 J *DNECobalt7.5 7.5 18.9Iron37,600 18,500 39300 J+Se l e ni um *DNE 5.3 J 4.3 J-V anadi um 40.6 21.5 32.9Manganese15969661
MW-317BR
A nalyt e (mg/kg)
Sample Dept h (ft)30-31.5 40-40.5 102-104SoilSoilSoil
Arse ni c *DNE *DNE 9.4Arsenic4.8 J-*DNE *DNECobalt33.3 20.2 16.3Iron27,800 42,200 42,400Selenium2.7 J 3.3 J 2.8 JVanadium29.5 22.6 26.5Manganese652 J 835 671
GWA -1D
A nalyt e (mg/kg)Sample Depth (ft )40-41.5 55-56.5 70-71.5AshAshAsh
Arse nic 56.6 17.8 58.9Cobalt4.5 5.1 J+6.9Iron18,800 4,140 6,320Selenium7.2 6.3 3.2 JVanadium32.9 25.4 40.5Manganese85.9 *DNE *DNE
MW-306BR
A nalyt e (mg/kg)
Sample Dept h (ft )4-4.5 19.5-21 39.5-41SoilSoilSoil
Arse nic *DNE *DNE 11Cobalt1.7 J 10.4 20.6Iron31,400 33,600 53,500Vanadium36.3 35 29.2Manganese*DNE 293 606
A S-6D
A nalyt e (mg/kg)
Sample Dept h (ft)5-6.5 20-21.4 25-25.9SoilSoilSoil
Arse nic *DNE 3.7 J *DNECobalt7.1 31.5 10.7Iron27,600 36,900 18,400Vanadium11.3 30.6 24.9Manganese83.7 941 481
GWA -3D
A nalyt e (mg/kg)
Sample Dept h (ft )3-5 5-6.5 20-21.5 30-31.5SoilSoilSoilSoil
Cobal t 14.2 17.6 12.5 8.6Iron26,000 21,100 30,900 27,900Selenium3.8 J-3 J *DNE *DNEVanadium23.7 21.2 27.8 18.7Manganese646593163193
A S-2D
A naly t e (mg/kg)
Sample Depth (ft )3-4 11-12.5 16-17.5 21-22.5AshAshAshSoil
Arse ni c 52.3 16.2 10.4 *DNECobalt7.6 10.2 7.7 5.5Iron6,820 19,800 20,600 9,660Selenium*DNE 2.6 J *DNE *DNEVanadium37.9 36.1 36.3 11.5Manganese*DNE 285 194 139
A S-4D
A nalyt e (mg/kg)
Sample Dept h (ft)10-11.5 25-26.5SoilSoil
Arsenic *DNE 3 J-Cobalt 9.5 22.4Iron16,900 32,900Selenium3.3 3.4 J-V anadi um 21.4 22.7Manganese2331,330
GWA -11D
A nalyt e (mg/kg)
Sample Dept h (ft )19-20 24-25SoilSoil
Arse ni c 3.8 J *DNECobalt18.6 13.8Iron48,300 35,900Selenium3.2 J *DNEVanadium30.2 29Manganese468465
GWA -2D
A nalyt e (mg/kg)
Sample Dept h (ft)5-6.5 15-16.5 20-21.5SoilSoilSoil
Arsenic *DNE 8.2 8.5Cobalt18.3 17.5 26.2Iron35,400 43,200 44,800Vanadium29.2 32.6 33.2Manganese273479396
A S-12S
A naly t e (mg/kg)
Sample Dept h (ft )19-21Ash
Arse ni c 49.5Cobalt9.3Iron9,860Selenium5.8 JVanadium43.1Manganese93.5
A S-8BR
A naly te (mg/kg)
Sample Dept h (ft)3-5 27-28.5 32-33.3AshSoilSoil
Arseni c 32.4 *DNE *DNECobalt9.7 11.1 18.8Iron5,840 15,500 21,700Vanadium38.7 15.2 23.8Manganese*DNE 291 576
A S-8D
A naly t e (mg/kg)
Sample Dept h (ft )3-5 19-20 24-25 29-30AshAshSoilSoil
Arseni c 78.4 13.1 *DNE *DNECobalt12.6 11.5 7 10Iron10,100 31,700 18,900 24,900Vanadium70.7 33.7 24.7 18.1Manganese66.6 510 429 470
MW-318D
A naly t e (mg/kg)
Sample Dept h (ft)20-21.5 30-31.5 40-41.5 55-56.5SoilSoilSoilSoil
Arsenic *DNE *DNE *DNE 4.6 JCobalt10.5 16.8 9.3 16.7Iron16,500 16,900 12,200 55,900Selenium*DNE *DNE *DNE 7.8Vanadium15.5 14.9 8.4 18.7Manganese2672753285,170
GWA -9D
A naly t e (mg/kg)
Sample Dept h (ft )4-4.5 15-15.5SoilSoil
Arse ni c 9.3 14.3Cobalt18.9 13.1Iron32,400 31,900Vanadium33.4 48.3Manganese3331,020
A S-10D
A naly te (mg/kg)
Sample Dept h (ft )3-5 10-11AshAsh
Arse ni c 144 58.7Cobalt4.9 J 4.6 JIron90,300 36,600Selenium16.5 *DNEBoron91.9 *DNEBarium*DNE 703Vanadium20.1 79.3Manganese305115
MW-308BR
A nalyt e (mg/kg)
Sample Dept h (ft )3-5 18-19.5 20-21.5 25-26.5 30-30.3AshAshAshSoilSoil
Arse ni c 44.2 14.4 22.6 *DNE *DNEArsenic*DNE *DNE *DNE 3.6 J *DNECobalt6.6 J *DNE 8 11.5 10Iron5,800 4,110 11,700 24,300 22,000Vanadium43.1 18.5 28 19.9 15.3Manganese*DNE *DNE 297 413 338
A B-35BR
A nalyt e (mg/kg)
Sample Depth (ft )10-11.5 15-15.2 20-21SoilSoilSoil
Arsenic 14.8 15 6.9Cobalt27.2 22.5 21.5Iron63,300 52,200 62,500Selenium3.9 J *DNE *DNEBoron62.1 53.8 J 63.1Vanadium75.7 65.1 56.9Manganese9168231,120
GWA -12D
A naly t e (mg/kg)
DATE
A naly t e CA S No.NC PSRG Ind1 NC PSRG Prot GW1
Aluminum 7429-90-5 100,000 NSAntimony7440-36-0 94 0.9Arsenic7440-38-2 3 5.8Barium7440-39-3 44,000 580Beryllium7440-41-7 460 63Boron7440-42-8 46,000 45Cadmium7440-43-9 200 3Chromium*16065-83-1 100,000 360,000Cobalt7440-48-4 70 0.9Copper7440-50-8 9400 700Cr(VI)18540-29-9 6.3 3.8Iron7439-89-6 100,000 150Lead7439-92-1 800 270Manganese7439-96-5 5,200 65Mercury7439-97-6 8 1Molybdenum7439-98-7 1,200 NSNickel7440-02-0 4,400 130Nitrate14797-55-8 100,000 NSSelenium7782-49-2 1,200 2.1Silver7440-22-4 1,200 3.4Strontium7440-24-6 100,000 NSThallium7440-28-0 2.4 0.28Tin7440-31-5 100,000 10,000Vanadium7440-62-2 1,200 6Zinc7440-66-6 70,000 1,200* Chromium st andard shown is f or Chromium III f or comparison.No av ailable st andard f or Total C hromium. All unit s shown in mg/kg.1 - North C arolina DENR Inactiv e Hazardous Sit es Branch - Preliminary Soil Remediation Goals (PSRG) Table (March 2015). Industrial Health Based Soil PSRG and Prot ection of Groundwat er PSRG shown f or comparison.
\\s a c -s r v 0 1 \g i s \P r o j e c t s \D u k e E n e r g y \A s h B a s i n \m a p _d o c s \D a n R i v e r \R E P O R T _D a n R v _A r c h E _C h e m B o x _S o i l s .m x d _8 /1 2 /2 0 1 5 _r o l d e n
Sample Depth (ft)10-11.5 20-21.5 30-31.5 40-41.5 45-50.5SoilAshAshSoilSoil
Arsenic *DNE 49.2 50.5 *DNE *DNECobalt9.2 8 8.6 9.5 7.6Iron29,600 7,110 12,200 32,400 25,100Selenium*DNE 5.3 J 4.4 J 2.8 J *DNEVanadium30.3 51.5 47.9 21.8 9.1Manganese30975.5 167 215 601
MW-314BR
Analyte (mg/kg)
Sample Depth (ft)28-28 33-33SoilSoil
Cobalt 7.7 11.9Iron19,000 27,500Selenium*D NE 3 JVanadium16.1 20.1Manganese288436
GWA-4D
Analyte (mg/kg)
Sample Depth (f t)0-4 5-6.5SoilSoil
Cobalt 21.6 15Iron36,600 30,900Vanadium73.9 60.5Manganese893744
GWA-5BR
Analyte (mg/kg)
Sample Depth (f t)18-21 18-21SoilSoil
Cobalt 11.8 11.5 JIron21,500 21,300Vanadium45.9 43.6Manganese373383
GWA-15D
Analyte (mg/kg)Sample Depth (ft)3-5 15-16.5 30-31.3 45-46.5SoilSoilSoilSoil
Cobalt 13.5 9.9 7.2 *DNEIron19,800 23,400 52,400 6,400Vanadium23.8 33.7 125 8.7Manganese74636112076.3
AB-30D
Analyte (mg/kg)
Sample Depth (ft)10-11.5 25-26.5 50-51.5 75-76.5 80-81.5 90-91.5SoilAshAshAshSoilSoil
Arsenic 39.9 64.6 43.8 35.7 *DNE 16.2Cobalt49.6 12.1 9.7 9.9 8.3 10.6 J+Iron 16,600 4,190 3,920 5,770 45,900 25,300Selenium*DNE 6.1 J 5.3 J 4.9 J *DNE 6.7 J-Vanadium 34.2 58.8 44.3 45.8 45.8 25.9Manganese52666.6 *DNE *DNE 104 133
MW-303BR
Analyte (mg/kg)Sample Depth (f t)3-4Ash
Arsenic 25.6Cobalt101Iron45,300Selenium2.7 JBoron47.7Barium959Vanadium31.9Manganese1,630
MW-301BR
A nalyte (mg/kg)
HDR Engineering, Inc. of the Carolinas
N.C.B.E.L.S. License Number: F-0116
440 S. Church Street, Suite 900
Charlotte, NC 28202-2075
704.338.6700
ISSUE DATE DESCRIPTION
PROJECT MANAGER M. FILARDI, P.G.
DRAWN BY:
-
DESIGNED BY:
-
CHECKED BY:
-
APPROVED BY:
-
PROJECT NUMBER
000000000246415
NOT FOR
CONSTRUCTION
DUKE ENERGY CAROLINAS,LLC
DUKE
�. 'ENERGY..
DAN RIVER STEAM STATION
COMPREHENSIVE SITE
ASSESSMENT
ROCKINGHAM COUNTY
NORTH CAROLINA
CROSS SECTION A -A'
SOLID MATRIX ANALYTICAL RESULTS
0 1" 2° FILENAME I FIGURE 8-2.DWG
SCALE I AS NOTED
SHEET
FIGURE 8-2

1 1 2 1 3 1 4 1 5 1 6
7
S
AS-86R
Sample Depth (ft)
19-21
Ash
A na lyte (mg J kg)
Arsenic
49.5
Cobalt
9.3
Iron
9860
Selenium
5.8J
Vanadium
43.1
manganese
93.5
B'
NORTHWEST
650
M
550
z
0
Q
w
w 500
450
400
AS
Sample Sa le De th ft
3-5
27-28.5
32-33.3
Ash
Soil
Soil
Analyte (mg/kg)
Arsenic
32.4
* DNE
* DNE
Cobalt
9.7
11.1
18.8
Iron
5840
15500
21700
Vanadium
38.7
15.2
23.8
Manganese
*DNE
291
576
HDR Engineering, Inc. of the Carolinas
N.C.B.E.L.S. License Number: F-0116
440 S. Church Street, Suite 900
Charlotte, NC 28202-2075
704.338.6700
ISSUE DATE DESCRIPTION
MW-315BR
SanVie De th ft
3-4.5
21-22.5
24-25.5
34-35.5
Ash
Ash
Soil
Soil
Ana to
Arsenic
4515
322
* DNE
* DNE
Arsenic
* DNE
* DNE
3.73
* DNE
Cobalt
15.7
6.8
39,4
30.4
Iron
16900
19900
42300
53300
Selenium
*DNE
3.9J
4.9J
*DNE
Boron
*DNE
*DNE
*DNE
50.6J
Vanadiumi
66.2
29.5
322
37.5
manganese
326
181
1600
1530
1200
DISTANCE (ft)
GWA-10D
Sample Depth ft
9-10
19-20
25-25
28-29
Soil
Soil
Soil
Soil
Analyte nm/kg
Cobalt
18.6
11.1
16.1
15.7
Iron
27500
40000
40100
36700
Selenium
* DNE
* DNE
31
* DNE
Vanadium
26.6
20.8
22.5
24.7
Manganese
247
376
373
449
SECTION B
SCALE: HORIZ 1 "=100'
VERT 1 "=25'
PROJECT MANAGER M. FILARDI, P.G.
DRAWN BY:
-
DESIGNED BY:
-
CHECKED BY:
-
APPROVED BY:
-
PROJECT NUMBER
000000000246415
AB-15D
Sample Depth ft
3-5
24-26
26-26.5
Ash
Ash
Soil
Analyte (mg/kg)
Arsenic
55.9
33.4
9
Cobalt
9.9
5J
*DNE
Iron
559D
559D
267DO
Selenium
5.2J
4,2J
*DNE
Vanadium
50.2
27.9
55.4
Manganese
92.9
I *DNE
*DNE
NOT FOR
CONSTRUCTION
MW-310BR
San -pie De th ft
10-11.5
20-21.5
1 25-26,5
35-35.4
Soil
Soil
Soil
Soil
A na Ilyte j k
Arsenic
* DNE
5916
* DNE
* DNE
Arsenic
* DNE
* DNE
3.6 3-
* DNE
Cobalt
7.5
10.7
14.4
26.3
Iron
19400
8240
36400
29100
Selenium
* DNE
* DNE
4.9 J-
* DNE
Vanadium
18.8
62.7
35.5
31,6
Man anese
225
104
260
1010
�1_ B,
SOUTHEAST
650
550
500
450
400
MW-311BR
Sample Depth (ft)l
3-5
34-36
44-46
Ash
Ash
Soil
Ana to / k
Arsenic
71.6
7.1 J
* DNE
Cobalt
14.9
13
12.6
Iron
9500
23200
23700
Selenium
7.6J
*DNE
*DNE
Barium
945
*DNE
*DNE
Vanadium
57.8
52,7
48.6
Manganese
95.9
597
543
DUKE ENERGY CAROLINAS,LLC
DUKE
�. 'ENERGY..
DAN RIVER STEAM STATION
COMPREHENSIVE SITE
ASSESSMENT
ROCKINGHAM COUNTY
NORTH CAROLINA
ANALYTE
NC PSRG Ind'
NC PSRG Prot GW'
ALUMINUM
100,00
NS
ANTIMONY
94
0.9
ARSENIC
3
5.8
BARIUM
44,000 :
580
BERYLLIUM
460 J
63
I BORON
46,00U-1
45
CADMIUM
200
3
CHROMIUM*
100,0007
360,000
COBALT
0.9
70
I COPPER
9,400
700
� Cr(VI)
6.3 �
3.8 �
IRON
100,000
150
LEAD
800
270
I MANGANESE
65
5,200
MERCURY
1
8
MOLYBDENUM
NICKEL
NS
130
1.200
4.400
NITRATE
100,000
NS
SELENIUM
1,200
2.1
SILVER
1,200
3.4
STRONTIUM
THALLIUM
TIN
100.000
2.4
100,000
NS
0.28
10.000
VANADIUM
1,200
6
ZINC***
70,000
1,200
*Chromium standard shown is for Chromium III for
comparison.
No available standard for Total Chromium.
All units shown in mg/kg.
1 - North Caroilina DENR Inactive Hazardous Sites
Branch - Preliminary Soil Remediation Goals
(PSRG) Table (March 2015). Industrial Health
Based Soil PSRG and Protection of Groundwater
PSRG shown for comparison.
NOTES:
U = NOT DETECTED ABOVE LABORATORY REPORTING
LIMIT
J = ESTIMATED CONCENTRATION
<3.0 = LESS THAN LABORATORY REPORTING LIMIT
J+ = ESTIMATED CONCENTRATION BIASED HIGH
J- = ESTIMATED CONCENTRATION BIASED LOW
? = ESTIMATED TRANSITION ZONE (TZ) BEDROCK
(BR) CONTACT
PSRG: PRELIMINARY SOIL REMEDIATION GOAL
FT: FEET
MG/KG: MILLIGRAMS PER LITER
juG/L: MICROGRAMS PER LITER
BOLD: EXCEEDS INDUSTRIAL HEALTH STANDARD
UNDERLINED & ITALICS: EXCEEDS BOTH INDUSTRIAL
HEALTH STANDARD & PROTECTION OF
GROUNDWATER
LEGEND:
WATER TABLE SURFACE (JUNE 2015)
17 WATER TABLE SURFACE SYMBOL
■ : ■
F - FILL
S - ALLUVIUM
M1 - SOIL/SAPROLITE; N<50
M2 - SAPROLITE/WEATHERED ROCK;
N>50 OR REC<50%
TZ - PARTIALLY WEATHERED/FRACTURED ROCK;
REC>50% AND RQD<50%
BR - SOUND ROCK; REC>85% AND RQD>50%
CROSS SECTION B-B'
SOLID MATRIX ANALYTICAL RESULTS
0 1" 2"
FILENAME FIGURE 8-3.DWG SHEET
SCALE AS NOTED FIGURE 8-3
L07
C
uk

1
2 1 3 1 4 1 5 1 6
7
S
MW-314BR
Sample Depth ft
10-11.5
20-21.5
30-31.5
40-41.5
45-50.5
Soil
Ash
Ash
Soil
Soil
Analyte (mg/kg)
Arsenic
*DNE
49.2
505
*DNE
*DNE
Cobalt
9.2
8
8.6
9.5
7.6
Iron
296000
711
1220D
23 404
25100
Selenium
*DNE
5.3J
4.4J
28J
*DNE
Vanadium
30.3
51.5
479
21.8
9.1
Manganesel
309
1 75.5
167
215
601
4-
z
0
Q
w
J
w
.ol
550
500
450
400
HDR Engineering, Inc. of the Carolinas
N.C.B.E.L.S. License Number: F-0116
440 S. Church Street, Suite 900
Charlotte, NC 28202-2075
704.338.6700
ISSUE DATE DESCRIPTION
AB-25BR
Sample De th ft
0-2
3-5
40-41
45-46
50-51
Ash
Ash
Ash
Soil
Sall
Anal to (mg/kg
Arsenic
21.6
49.7
62.9
71.8
? 8
Cobalt
IG?7
9.2
A51
11,9
1Q14
Iron
124M
914a
13&40
22500
16"
Selenium
35J
*DNE
10.4
5.6J
6.7J
Vanadium
34.5
55.9
34.4
83.2
&3.2
Manganese
188
71.7
253
494
332
,SECTION
SCALE: HORIZ 1 "=60' FIG
VERT 1 "=20'
PROJECT MANAGER M. FILARDI, P.G.
DRAWN BY:
-
DESIGNED BY:
-
CHECKED BY:
-
APPROVED BY:
-
PROJECT NUMBER
000000000246415
150.es
550
500
450
400
MW-22SR
Sample Depth ft
7-8
17-23
27-29
29-31
Soil
Soil
Soil
Soil
Anal e (mg/kg
Cobalt
19.7
11.9
4.4J
11.8
Iron
24000
1102
2L6D0
Vanadium
7 4
5Z. 2-
ff-
1$g
Manganese
Ita
2$
NOT FOR
CONSTRUCTION
DUKE ENERGY CAROLINAS,LLC
,f DUKE
•%.y ENERGY,
DAN RIVER STEAM STATION
COMPREHENSIVE SITE
ASSESSMENT
ROCKINGHAM COUNTY
NORTH CAROLINA
ANALYTE
NC PSRG Ind'
NC PSRG Prot GW'
ALUMINUM
100,00
NS
ANTIMONY
94
0.9
ARSENIC
3
5.8
BARIUM
44.000
580
BERYLLIUM
460
63
BORON
46.000
45
CADMIUM
200
3
CHROMIUM*
100,000
360,000
COBALT
70
0.9
I COPPER
9.400
700
Cr(VI)
6.3
3.8
IRON
100,000
150
I LEAD
800
270
I MANGANESE
5,200
65
MERCURY
8
1
MOLYBDENUM
1,200
NS
_
NICKEL
4,400
130
NITRATE
100,000
NS
SELENIUM
1,200
2.1
SILVER
1,200
3.4
STRONTIUM
100.000
NS
THALLIUM
2.4
0.28
TIN
100,000
10.000
VANADIUM
1,200
6
ZINC***
70,000
1,200
*Chromium standard shown is for Chromium III for
comparison.
No available standard for Total Chromium.
All units shown in mg/kg.
1 - North Caroilina DENR Inactive Hazardous Sites
Branch - Preliminary Soil Remediation Goals
(PSRG) Table (March 2015). Industrial Health
Based Soil PSRG and Protection of Groundwater
PSRG shown for comparison.
NOTES:
U = NOT DETECTED ABOVE LABORATORY REPORTING
LIMIT
J = ESTIMATED CONCENTRATION
<3.0 = LESS THAN LABORATORY REPORTING LIMIT
J+ = ESTIMATED CONCENTRATION BIASED HIGH
J- = ESTIMATED CONCENTRATION BIASED LOW
? = ESTIMATED TRANSITION ZONE (TZ) BEDROCK
(BR) CONTACT
PSRG: PRELIMINARY SOIL REMEDIATION GOAL
FT: FEET
MG/KG: MILLIGRAMS PER LITER
juG/L: MICROGRAMS PER LITER
BOLD: EXCEEDS INDUSTRIAL HEALTH STANDARD
UNDERLINED & ITALICS: EXCEEDS BOTH INDUSTRIAL
HEALTH STANDARD & PROTECTION OF
GROUNDWATER
LEGEND:
WATER
TABLE
SURFACE
(JUNE 2015)
WATER
TABLE
SURFACE
SYMBOL
F - FILL
S - ALLUVIUM
M1 - SOIL/SAPROLITE; N < 50
M2 - SAPROLITE/WEATHERED ROCK;
N >_ 50% OR REC S 50%
TZ - PARTIALLY WEATHERED ROCK;
REC>50% AND RQD <50%
BR - SOUND ROCK;REC >: 85% AND RQD >_ 50%
CROSS SECTION C-C'
SOLID MATRIX ANALYTICAL RESULTS
0 1" 2"
FILENAME FIGURE 8-4.DWG SHEET
SCALE AS NOTED FIGURE 8-4
Lei
C
u

HDR Engineering, Inc. of the Carolinas
N.C.B.E.L.S. License Number: F-0116
440 S. Church Street, Suite 900
Charlotte, NC 28202-2075
704.338.6700
ISSUE DATE DESCRIPTION
PROJECT MANAGER M. FILARDI, P.G.
DRAWN BY:
-
DESIGNED BY:
-
CHECKED BY:
-
APPROVED BY:
-
PROJECT NUMBER
000000000246415
NOT FOR
CONSTRUCTION
DUKE ENERGY CAROLINAS,LLC
,f DUKE
•%.y ENERGY,
DAN RIVER STEAM STATION
COMPREHENSIVE SITE
ASSESSMENT
ROCKINGHAM COUNTY
NORTH CAROLINA
CROSS SECTION D-D'
SOLID MATRIX ANALYTICAL RESULTS
0 1" 2° FILENAME I FIGURE 8.5.DWG
SCALE I AS NOTED
SHEET
FIGURE 8-5