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lil � <br /> BEND IN <br /> FB 2 INTERSECTION�SECTION� BEND IN SECTION <br /> OF B' <br /> MW 2R I MW-3 <br /> V 2ro 20 V <br /> p 3 MW-q V-4 pro)2' MW 6 <br /> MW 11 <br /> 10 DYISIL <br /> 5 D <br /> MW 14 <br /> I aortrp L t <br /> FORMER UNDERGRO DCLAY/SILT 10 LEGEND <br /> 0- STORAGE TANK COMPLE <br /> Neo PEA GRAVEL EXCAVATION BACKFILL <br /> tYt]� <br /> ! CLAYEY SAND MW 14 GROUNDWATER MONITORING WELL LOC <br /> ]tom AND DESIGNATION <br /> 10 20 <br /> CLAYS V-2 SOIL VAPOR EXTRACTION WELL LOCATIO, <br /> Set�Q AND DESIGNATION <br /> !lBTJP 11 d <br /> / �R <br /> Lu SAND / cLA t I = pro) PROJECTED ONTO LINE OF SECTION IN F. <br /> 20 err I 1 °f Nva 30 m 1 STATIC GROUNDWATER LEVEL 4-85 <br /> l 1 J r <br /> O rpMP 55WNQ TPH-g/BENZENE CONCENTRATION IN SOIL <br /> fiGRIQ <br /> PARTS PER MILLION(ppm) <br /> is CLAYEY ! ti�A 9 — — - — 9 — — — — — j. Q <br /> w ro SAND/SAND c —10�TPH g ISOCONCENTRATION CONTOUR IN <br /> w ➢1It <br /> 30 = CLAY/SILT 40 O <br /> V12 NOT DETECTED <br /> c <br /> n — — HISTORIC HIGH GROUNDWATER LEVEL <br /> [� 2-89 <br /> CLAY/SILT '°04 SCREENED INTERVAL(TYP) m <br /> 50 2 9"`- HISTORIC LOW GROUNDWATER LEVEL <br /> -40SAND PACKED INTERVAL 10-92 <br /> CLAYfSILT Erse No�±o m <br /> `___r` r CALCULATED VERTICAL AND HORIZONTAL <br /> " - ___ _ __ RADIUS OF INFLUENCE OF SOIL VAPOR <br /> - - EXTRACTION WELLS <br /> CLAYEY __ <br /> SAND�SAND - '`"'`-- 60 <br /> -50 NO-10R <br /> CLAYEY <br /> SAND <br /> GLAY/SILT 70 <br /> 6D NOTE CROSS-SECTION DEPICTS ANALYTICAL DATA COLLECTED PRIOR TO <br /> OPERATION OF THE SOIL VAPOR EXTRACTION(SVE)SYSTEM(BLACK PRINT) AND <br /> ANALYTICAL DATA FROM SOIL BORINGS(GRAY PRINT)THAT DEFINES THE EXTENT <br /> OF HYDROCARBONS <br /> REVISED NOVEMBER 29 <br /> iPACIFIC SCALE FORMER CHEVRON U S A SERVICE STATION 9-1816 <br /> ENVIRONMENTAL 45 East Harding Way at EI Dorado Avenue FIGURE <br /> GROUP INC HORIZONTAL 1'=20 Stockton Cablo nia <br /> VERTICAL 1 =10 6 <br /> GEOLOGIC CROSS-SECTION B-B'-BEFORE SVE SYSTEM OPERATION(NOVEMBER 1990-NOVEMBER 1992) PR <br /> OJECI <br /> 320-133 7 <br /> ill, <br />