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Q (17 32) <br /> 1 =D3 <br /> T I PH-G = <50 <br /> (714 MTBE =<5 <br /> (1779) OVERHEAD <br /> 6 . 000 N PH-G POWER9- 81 YOSEMITE HIGHWAY (HW Y 120 LINE <br /> n <br /> MT8E - 108 / LINE <br /> ' Z w SIDEWALK <br /> 7: <br /> in OE OE <br /> Q :2 q€/� OE,�� OE <br /> o Z OE O OE MW-2 <br /> PLANTER <br /> � P-4 <br /> r <br /> 06 MW-3 <br /> ' o <br /> MER <br /> DERG <br /> w DERGRDUND I <br /> o S RAGE TANKS <br /> l - G (1734) <br /> CL <br /> a8 = <03 <br /> � 1 <br /> 1 TPN-G = <50 <br /> 1 Mw-t , 1ursE _ <5 <br /> 1 � 1 <br /> L, J -i FORMER <br /> m �$ GP-5 GP-2 DISPENSER PLANTER <br /> ISLAND i <br /> Q ¢ 1I GP-I <br /> U Q Q <br /> ' <br /> PLAN <br /> � -_jTER WALKWAY <br /> o I l OVERHANG <br /> o C 7—ELEVEN BUILDING ` <br /> } \ w FACILITY # 17647 <br /> , <br /> Z <br /> I Cif <br /> PLANTER <br /> w TRASH ENCLOSURE <br /> ca o <br /> c <br /> U <br /> 00 <br /> ° <br /> u- <br /> I <br /> ' wxI <br /> [X I <br /> I <br /> X <br /> f <br /> LAJ I I.EQNQ SCALE <br /> ' < j GROUNDWATER MONITORING WELL <br /> B = BENZENE CONTRATIONS (ug/L) (EPA6020) 0 30 60 FEET <br /> TPN-C = TOTAL PETROLEUM HYDROCARBONS AS <br /> ' GASOLINE CONCENTRATION (ug/L) (EPA8015) <br /> MTBE = METHYL-TERT-BUTYL-ETHER CONCENTRATION 7-ELEVEN, INC <br /> (ug/L) (EPA8260) in <br /> 7-ELEVEN FACILITY NO 17647 <br /> ' POTENTIOMETRIC SURFACE ELEVATION 1048 WEST YOSEMITE AVENUE <br /> { (FEET ABOVE MEAN SEA LEVEL) R MANTECA, CALIFORNIA <br /> C�RPONA7tOIN <br /> W POTENTIOMETRIC SURFACE CONTOUR <br /> (CONTOUR INTERVAL = 005 FT)` FIGURE 2 <br /> OTENTIOMETRIC SURFACE AND DISSOLVE <br /> I GROUNDWATER FLOW DIRECTION I I <br /> ,' , I, II HYDROCARBON CONCENTRgTIONS h <br /> - - -PROPERTY BOUNDARY ' ' I 01/25/00 <br /> Ih .$ SOIL BORING LOCATION <br /> I� <br /> f1 I I <br />