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Home My WebLink AboutNC0038377_FIGURE 11-7a-MAYO_20150902U0 W Of ZD Q W U O a� ba0 I..L w O tf O Q- (1) N Ir Q W U V---1 r -I r -I / c Cts C N to to N to Q 0 CCs M O C6 Ln O / C9 N O r -i vi N U0 O N s= W w 75 CL m cri LO O N N 0 loss FA FAW NONNI I I 11, lo, 11111&1111166- 111 1111 Pr - 1 -3 1-3: DH5.71/Sb<l/As<l/Ba56/B847/Cr(VI)0.155/Co<l/Fe34/Mn880/TI<0.2/TDS190/V<0.3 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 BEDROCK WATER LEVEL o� CW -2/ 2D M2 470 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 NOT SAMPLED CW -2D: 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 45'-45.5' SOIL TOTAL ANALYTICAL RESULTS IN mg/kg BORING SYMBOLS 460 N 50 MW -16S/ 16D/ 16BR MW -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 -16D: pH7.1/Sb<1/As<1/Ba13/B<50/Cr(VI)0.051/Co<1/Fe87/Mn269/TI<0.2/TDS160/V0.617 of 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 w Y 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 J 23'-24': Sb<5/As<5/Ba 28.2/B10j/Cr2.1/Co4.6j/Fe10600/ Mn 885/ TI<5/V 8.4 420 p 33'-35': Sb <7.5 / As <7.5 / Ba 131 / B 16.8 j / Cr 9.2 / 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 87 410 2-7 400 Q 400 J w 390 w390 -4== L j - z 380 LU � � _ U m 370 (n - (n 360 tt ~ --- 350 LU --- Z- --- - CH �. 340 J --- - 81 -- --- --- 330 --- 320 � --- --- ------ _ _ ___--__--- ---- ---_ --- __ 30-- _ 310 310 300 - - - 300 O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O + + CO f1- + 00 + + M O + + + + + + + + + + + N CO � LO Or --00 M O ti r --co 00 00 co OD co 0o OD 00 00 mm NORTHEAST SECTION B -B' - MANGANESE FACING NORTHWEST 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 MANGANESE IS 50 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 11-7A (� DUKE � ENERGY PROGRESS MAYO STEAM ELECTRIC PLANT 10660 BOSTON RD ROXBORO, NORTH CAROLINA FIGURE 11-7a GEOLOGIC CROSS SECTION B -B' WITH MANGANESE BEDROCK WATER LEVEL o� �/ FRACTURED/OXIDIZED ZONE M2 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 MANGANESE IS 50 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 11-7A (� DUKE � ENERGY PROGRESS MAYO STEAM ELECTRIC PLANT 10660 BOSTON RD ROXBORO, NORTH CAROLINA FIGURE 11-7a GEOLOGIC CROSS SECTION B -B' WITH MANGANESE