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i <br /> A BEND IN SECTIONpq17 Mw s 5t}1a f BEND IN SECTION Ar <br /> sa-z V-3sa 11 v s r MWMW V 1 "16 4 MWd V fi Prof 5 MWS prol 13 <br /> 24 <br /> Mw 1z <br /> ' <br /> 10- <br /> SILTY SAND <br /> 0SILTYSAND- <br /> Nurt� 10 <br /> CLA Y/Sit T <br /> CLAYISIL T <br /> Q <br /> ELI <br /> m <br /> LL r <br /> z _ i HG2�. ^^ ZD z <br /> ZED <br /> R� - __ - I'Ti <br /> O SILTY CLA N JI cCLAYEY SANLNSAND Now <br /> 3 <br /> rLU <br /> ? O <br /> kA <br /> CLAY/SILT HMO 90 z <br /> 20 SILT _ _ I NomQ o <br /> C <br /> C <br /> NOW) <br /> _ _ .� <br /> 4 31 SAND/ — — q <br /> 51LT1' <br /> SANDIGRA VEL - _ , w CLAYEY SANG -40 m <br /> CLAY/S1LT' f r� >umdD t1 !I� r <br /> 1J=rFun '� CLAY/SILT m <br /> PEA GRAVEL EXCAVATION BACKFILL CL Y/SILT I <br /> MW-1 GROUNDWATER MONITORING WELL LOCATION ANO DESIGNATION Npffi 550 <br /> V-1 SOIL VAPOR EXTRACTION WELL LOCATION AND DESIGNATION tlGMG <br /> Prot PROJECTED ONTO LINE OF SECTION IN FEET <br /> _7 <br /> = STATIC GROUNDWATER LEVEL,7 W-98 ' - ;�-F _T Y"__ <br /> ssMR TPH-gBENZENE CONCENTRATION IN SOIL IN PARTS PER MILLION ppm r CLAYEYSANO/S4ND'Y} y ^;' t _ <br /> SILTY CLAYEY SAND <br /> —10— TPH-g ISOCONCENTRATION CONTOUR IN ppm - p� - -x <br /> NQ NOT DETECTED 7 SANDYCLAY 5lLTY CLAY <br /> 70 <br /> — — HISTORIC HIGH GROUNDWATER LEVEL,2-89 SCREENED INTERVAL(TYP) <br /> ?---- HISTORIC LOW GROUNDWATER LEVEL,1092 NOTE CROSS-SECTION DEPICTS ANALYTICAL DATA COLLECTED PRIOR TO SAND PACKED INTERVAL(TYP) <br /> 11 CALCULATED VERTICAL AND HORIZONTAL RADIUS OF OPERATION OF THE SOIL VAPOR EXTRACTION(SVE)SYSTEM(BLACK PRINT) AND <br /> r INFLUENCE OF SOIL VAPOR EXTRACTION WELLS ANALYTICAL DATA FROM SOIL BORINGS(GRAY PRINT)THAT DEFINES THE EXTENT <br /> OF HYDROCARBONS REVISED NOVEMBER 29 1995 <br /> PACIFICFORMER CHEVRON U S A.SERVICE STATION 9-1918 <br /> ENVIRONMENTAL 2CA F 45 East Handrng Way at EI Dorado Avenue FIGURE <br /> GROUP INC HORIZONTAL 1"=20 Stocldon Calrtomia 4 <br /> VERTICAL 1 =10' PROJECT <br /> GEOLOGIC CROSS-SECTION A-A-BEFORE SVE SYSTEM OPERATION(NOVEMBER 1990-NOVEMBER 1592) 320-133 7B <br />