HomeMy WebLinkAboutNC0038377_FIGURE 11-2a-MAYO_20150902U0
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1 C t'% C A 11"1
COAL ASH
TRANSITION ZONE
- - - - BEDROCK
Soil /FILL
SAPROLITE
D ALLUVIUM
CONCENTRATION CONTOUR
CONCENTRATION CONTOURS
DASHED WHERE INFERRED
HASH MARKS POINT TO
DECREASING CONCENTRATIONS
WATER LEVEL (JUNE 17, 2015)
SURFICIAL WATER LEVEL
TRANSITION ZONE WATER LEVEL
BEDROCK WATER LEVEL
CW -2/ 2D
FRACTURED/OXIDIZED ZONE
470
OBSERVED IN ROCK CORE
CW -2: pH 6.5 / Sb <1 / As <1 / Ba 54 / B 804 / Cr(VI) <0.021 / Co <1 / Fe 467 / Mn 135 / TI <0.2 /TDS 370 / V 5.88
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CW -211): pH 6.1 / Sb <1 / As <1 / Ba 38 / B 363 / Cr(VI) 0.084 / Co <1 / Fe 278 / Mn 81 / TI <0.2 / TDS 250 / V 0.585
460
ABMW-02BR: WATER ANALYTICAL RESULTS IN pg/L
460 N a)
50
BORING SYMBOLS
MW -16S/ 16D/ 16BR
-16S: pH 6.02 / Sb <1 / As <1 / Ba 46 / B <50 / Cr(VI) 0.011 / Co 4.32 / Fe 860 / Mn 260 / TI <0.2 / TDS 100 / V 0.303
4 0
Q MW
MW -16D: pH7.1/Sb<1/As<1/Ba13/B<50/Cr(VI)0.051/Co<1/Fe87/Mn269/TI<0.2/TDS160/V0.617
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MW-16BR: pH8.67/Sb<1/As2.05/Ba11/B<50/Cr(VI)0.017/Co<1/Fe80/Mn30/TI<0.2/TDS170/V2.79
43
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1'-2':Sb<6.5/As<6.5/Ba95.4/B<16.2/Cr7.6/Co6 j/ Fe 7710/ Mn 1250 / TI <6.5 / V 17.3
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23'-24': Sb<5/As<5/Ba 28.2/B10j/Cr2.1/Co4.6j/Fe10600/ Mn 885/ TI<5/V 8.4
420
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33'-35':Sb<7.5/As<7.5/Ba131/616.8j/Cr9.2/Co 12/ Fe 19100/ Mn 1630/A<7.5/V16.3
Q
54.5'-55.5': Sb <5.2 / As <5.2 / Ba 237 / B 32.3 / Cr 37.2 / Co 19.6 / Fe 38300 / Mn 1010 / TI <5.2 / V 87
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N M � L0O 11-M M O
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NORTHEAST
SECTION B -B' - ARSENIC
FACING NORTHWEST
1 C t'% C A 11"1
COAL ASH
TRANSITION ZONE
- - - - BEDROCK
Soil /FILL
SAPROLITE
D ALLUVIUM
CONCENTRATION CONTOUR
CONCENTRATION CONTOURS
DASHED WHERE INFERRED
HASH MARKS POINT TO
DECREASING CONCENTRATIONS
WATER LEVEL (JUNE 17, 2015)
SURFICIAL WATER LEVEL
TRANSITION ZONE WATER LEVEL
GRAPHIC SCALE
0 300
IN FEET
HORIZONTAL: 1"=300'
0 30
IN FEET
VERTICAL: 1"=30'
NOTE: 10:1 VERTICAL EXAGGERATION
SOIL SAMPLE
WELL SCREEN WITH
CONCENTRATION
(micrograms per liter)
SOURCES.-
1.
OURCES.1. THE TOPOGRAPHY SURVEY DATA WITHIN THE PROPERTY
BOUNDARY DATED MAY 19, 2015 WAS OBTAINED FROM
WSP OF CARY, NORTH CAROLINA.
2. SELECT TOPOGRAPHIC ADJUSTMENTS BASED ON SITE SURVEY
AND COMPARISON TO AERIAL PHOTOGRAPH.
3. 2015 LITHOLOGY INFORMATION OF SOIL AND WELL LOG
TOPOGRAPHY IS FROM SYNTERRA.
4. GEOLOGIC INFORMATION FOR BORINGS AND MONITORING WELLS
INSTALLED PRIOR TO 2015 TAKEN FROM S&ME (2010) AND
QUANTEX (2008).
NOTE. -
1 .
OTE.1. CROSS SECTION LOCATIONS SHOWN ON FIGURE 2-1.
2. WATER LEVELS WERE COLLECTED BY SYNTERRA ON
JUNE 17, 2015.
3. 2L VALUE FOR ARSENIC IS 10 pg/L.
erra
148 River Street, Suite 220
Greenville, South Carolina 29601
864-421-9999
www.synterracorp.com
DRAWN BY: C. NEWELL DATE: 8/5/2015
CHECKED BY: J. WYLIE DATE: 8/5/2015
PROJECT MANAGER: K. WEBB
LAYOUT NAME: FIGURE 11-2A
f%,., DUKE
� ENERGY
PROGRESS
MAYO STEAM ELECTRIC PLANT
10660 BOSTON RD
ROXBORO, NORTH CAROLINA
FIGURE 11-2a
GEOLOGIC CROSS SECTION B -B'
WITH ARSENIC
BEDROCK WATER LEVEL
2J
FRACTURED/OXIDIZED ZONE
m
OBSERVED IN ROCK CORE
w`
NOT SAMPLED
ABMW-02BR: WATER ANALYTICAL RESULTS IN pg/L
45'-45.5' SOIL TOTAL ANALYTICAL RESULTS IN mg/kg
BORING SYMBOLS
GRAPHIC SCALE
0 300
IN FEET
HORIZONTAL: 1"=300'
0 30
IN FEET
VERTICAL: 1"=30'
NOTE: 10:1 VERTICAL EXAGGERATION
SOIL SAMPLE
WELL SCREEN WITH
CONCENTRATION
(micrograms per liter)
SOURCES.-
1.
OURCES.1. THE TOPOGRAPHY SURVEY DATA WITHIN THE PROPERTY
BOUNDARY DATED MAY 19, 2015 WAS OBTAINED FROM
WSP OF CARY, NORTH CAROLINA.
2. SELECT TOPOGRAPHIC ADJUSTMENTS BASED ON SITE SURVEY
AND COMPARISON TO AERIAL PHOTOGRAPH.
3. 2015 LITHOLOGY INFORMATION OF SOIL AND WELL LOG
TOPOGRAPHY IS FROM SYNTERRA.
4. GEOLOGIC INFORMATION FOR BORINGS AND MONITORING WELLS
INSTALLED PRIOR TO 2015 TAKEN FROM S&ME (2010) AND
QUANTEX (2008).
NOTE. -
1 .
OTE.1. CROSS SECTION LOCATIONS SHOWN ON FIGURE 2-1.
2. WATER LEVELS WERE COLLECTED BY SYNTERRA ON
JUNE 17, 2015.
3. 2L VALUE FOR ARSENIC IS 10 pg/L.
erra
148 River Street, Suite 220
Greenville, South Carolina 29601
864-421-9999
www.synterracorp.com
DRAWN BY: C. NEWELL DATE: 8/5/2015
CHECKED BY: J. WYLIE DATE: 8/5/2015
PROJECT MANAGER: K. WEBB
LAYOUT NAME: FIGURE 11-2A
f%,., DUKE
� ENERGY
PROGRESS
MAYO STEAM ELECTRIC PLANT
10660 BOSTON RD
ROXBORO, NORTH CAROLINA
FIGURE 11-2a
GEOLOGIC CROSS SECTION B -B'
WITH ARSENIC