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i � • <br /> f <br /> MW-7 • <br /> ND/ND' <br /> 1 <br /> �G <br /> G G � <br /> LEGEND <br /> © MW-5 MW-4 •O SOIL BORING/MONITO <br /> RING WELL LOCATION AND <br /> 1301ND <br /> DESIGNATION (APPLIED GEOSYSTEMS, JUNE 1988) <br /> VW-3 A SO[L BORING/VAPOR WELL (APPLIED GEOSYSTEMS, <br /> AUGUST 1989) <br /> MW-1 QQ Q0 <br /> NS - + 13. 01ND TPH-g/BENZENE CONCENTRATION IN GROUNDWATER, <br /> FORMER STORAGE <br /> 1 IN PARTS PER BILLION (ppb), 5-21-92 <br /> � '� � + <br /> TANK COMPLEX 1 ++ + 1,000-- TPH-g' <br /> ISOCONCENTRATION CONTOUR IN ppb, <br /> 5-21-92 <br /> - VW-3 MW-2 ® MW-4 G <br /> VW-1 VW-2 © NQS 1 Np Av`� �j0--+ BENZENE ISOCONCENTRATION CONTOUR IN ppb, <br /> �� !^ 5-21-92 <br /> p►� i <br /> FORMER STATION MW-3 <br /> BUILDING NS ? FORMER PR T ND NOT DETECTED <br /> ISLANDS <br /> 1 <br /> NS NOT SAMPLED -WELL DRY <br /> MW 61* <br /> 110.000185 <br /> FORMER WASTE/ <br /> OIL TANK ! <br /> I <br /> APPROXIMATE DIRECTION <br /> OF GROUNDWATER FLOW <br /> 10 PACIFIC FORMER UNOCAL SERVICE ENVIRONMENTAL STATION 11 <br /> SCALE 1665 Pacific Avenue I FIGURE <br /> I i � Stockton, California <br /> GROUP, INC <br /> 0 40 80 FEET g <br /> TPH-g/BENZENE CONCENTRATION MAP- MAY 21, 1992 PROJECT <br /> 01 <br /> s <br /> I <br /> - _ f <br />