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C MW sB 13 Cl <br /> S&11 S&3 7AN_7B <br /> 20- V-2 p oroi 4' SB-8 SB-6 MW-ii <br /> MN 14 <br /> II I'll <br /> I; <br /> 10 !' CLA Y/SIL7 <br /> tion e� 10 <br /> 0 [87�R fmcm I aomn ISM <br /> (,FGEND <br /> II PEA GRAVEL-EXCAVATION BACKFILL <br /> 1d1a <br /> J !ate BGrt1e 14 I t 20 m MW 9 GROUNDWATER MONITORING WELL LOCATION <br /> AND DESIGNATION <br /> agRiR <br /> 3 10 i :ti Z40M I m t 7 m V 2 SOIL VAPOR EXTRACTION WELL LOCATION <br /> wE AND DESIGNATION <br /> ffff dpi O <br /> U- ss , M SB-3 SOIL BORING LOCATION AND DESIGNATION <br /> z <br /> o tlt�m ' � � �IDOIRI — -- -- — — — — _ — — — — Tt I— _. — — _ — o prof PROJECTED ONTO LINE OF SECTION IN FEET <br /> F 20 a _ <br /> "Y ' <br /> c 1 STATIC GROUNDWATER LEVEL,7-30.96 <br /> 0CLAY/SlLT tarNn TPH ENZENE CONCENTRATION IN SOIL fN <br /> SA14la M PARTS PER MILLION ppm <br /> z <br /> 30 ].tmuf �t� 1 m ^10� TPH-g ISOCONCENTRATION CONTOUR IN ppm <br /> M <br /> tm y NOMCLAY/SILT I hQ NOT DETECTED <br /> 50 <br /> 10 — -^ HISTORIC HIGH GROUNDWATER LEVEL,2 89 <br /> 40 --- HISTORIC LOW GROUNDWATER LEVEL 10-92 <br /> M <br /> ----------------------- <br /> r _ r tw0ffi CLAYEYSMO CALCULATED VERTICAL AND HORIZONTAL <br /> 1 RADIUS OF INFLUENCE OF PROPOSED SOIL <br /> K? 0 e 9 VAPOR EXTRACTIONW ELLS V-7A V-78 <br /> 50 `rte n <br /> MW <br /> SCREENED INTERVAL(TYP) 70 <br /> SAND PACKED INTERVAL(TYP) NOTE. CROSS SECTION DEPICTS ANALYTICAL DATA COLLECTED AFTER <br /> OPERATION OF THE SOIL VAPOR EXTRACTION(SVE)SYSTEM(BLACK PRINT) AND <br /> 60 ANALYTICAL DATA FROM SOIL BORINGS(GRAY PRINT)THAT PROVIDE ADDITIONAL <br /> DATA THAT DEFINES THE EXTENT OF HYDROCARBONS REVISED NOVEMBER 29 1995 <br /> PACIFIC SCAFORMER CHEVRON SERVICE STATION 9-1918 <br /> ENVIRONMENTAL ' 45 East Harding Way at EI Dorado Avenue FIGURE <br /> GROUP INC HORIZONTAL 1'-20' Stockton Caidomia 8 <br /> VERTICAL 'I'm 10' GEOLOGIC CROSS-SECTION C-C'-AFTER SVE SYSTEM OPERATION(NOVEMBER 1990-NOVEMBER 1992) PROJECT <br /> 320-13376 <br />