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I <br /> II <br /> I <br /> �I <br /> BEND IN BEND IN SECTIC14 <br /> B20- INTERSECTION SECTION� <br /> OFAA I I Bf <br /> MW 2R MW 3 <br /> V-2 oro 20 V 3 MW 9 V-4 Pro12 MW 8 t Vd f 1 <br /> I 0 <br /> P .5 MW I/ <br /> 10 <br /> WDmO G G L T <br /> CLAY SILT <br /> FORMER UNDERGROI D CL4Y SILT 10 LEGEND <br /> 0 STORAGE TANK COMPLE PEA GRAVEL EXCAVATION BACKFILL <br /> � NQmQ <br /> xemR n?2+� ttEatlQ CLAYEY SANG NWND MW-14 GROUNDWATER MONITORING WELL LOCATION <br /> >� AND DESIGNATION <br /> NOND tl�1R NAMR 20 V 2 SOIL VAPOR EXTRACTION WELL LOCATION <br /> t0 CLAYIS - AND DESIGNATION <br /> MIND � Roam] NOMO "0prol PROJECTED ONTO LINE OF SECTION IN FEET <br /> 4 <br /> SANID LL 1r�u CLAY I 30 m <br /> JJJ ¢ 1 STATIC GROUNDWATER LEVEL 4-95 <br /> i -2Q <br /> z Nip TPH g/BENZENE CONCENTRATION IN SOIL iN <br /> O num4 7d�Ri !!J>mm — — — — — �II 9 PARTS PER MILLION(ppm) <br /> CLAYEY r �' — — O <br /> j SANDJSAND Oc 10.TPH-g ISOCONCENTRATION CONTOUR IN ppm <br /> 40 Z <br /> w 30 it CLAY.SILT N4 NOT DETECTED <br /> = c <br /> II i = m �- — — HISTORIC HIGH GROUNDWATER LEVEL <br /> 2-89 <br /> SCREENED INTERVAL(TYP) m <br /> CLAY.SILT " 50 Z ---- HISTORIC LOW GROUNDWATER LEVEL <br /> SAND PACKED INTERVAL nom4 MINN Q n 10-92 <br /> CLAY/SILT m <br /> CALCULATED VERTICAL AND HORIZONTAL <br /> RADIUS OF INFLUENCE OF SOIL VAPOR <br /> --II------- - ------- �__._ EXTRACTION WELLS <br /> J, CLAYEY 60 <br /> -50 - SAND SAND noro <br /> CLAYEY <br /> SAND <br /> I <br /> �i CLAY/SILT 70 <br /> 60 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 /> i <br /> PACIFICFORMER CHEVRON U SA SERVICE STATION 9-1818 <br /> ENVIRONMENTAL SCALE <br /> 45 East Harding Way at EI Dorado Avenue FIGURE <br /> GROUP INC HORIZONTAL 1 42V Stockton Calitamia 6 <br /> VERTICAL I`=td PROJECT <br /> GEOI OGIC CROSS-SECTION B-0 •BEFORE SVE SYSTEM OPERATION(NOVEMBER 1990-NOVEMBER 1992) 320-13378 <br /> I <br /> II <br />