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HAMMER LANE <br /> DRVIEDNAY ;( DRIVEWAY <br /> A <br /> a-•.— SIGH POST <br /> PUMP ISLAND 1 �,Q <br /> 27.51 <br /> 4 <br /> 500TIiS PUMP I&LAND V'VN-4 � <br /> 0. <br /> r � <br /> { <br /> PAVING E <br /> I <br /> Cb <br /> 1w 21 <br /> SALES i -A I <br /> BUILDING <br /> T ]F <br /> p i f <br /> T5 l <br /> ;I <br /> CONCRETE .19.74 <br /> "'- -19.74 <br /> i(I <br /> MW-1 <br /> I <br /> T4 <br /> S <br /> F-, <br /> T2 3 { <br /> I 6 <br /> — A,S- € i ®A51rn <br /> 5 i tp <br /> 29.6A <br /> I AS-3 A �J -19.77 J <br /> 19.43* 30.69 MW-5 <br /> I:r MWS V4V-3 I_ <br /> I s � <br /> 100 <br /> J ! <br /> � 19.91 i <br /> S`.E SYSTEN=COMPOUND ea.6 <br /> LEGEND <br /> MW-1 MONITORING WELL LOCATION <br /> 0 VW-1 VAPOR EXTRACTION WELL LOCATION <br /> ® AS-1 AIR SPARGE LOCATION <br /> • SB-1 SOIL BORING LOCATION <br /> -19.46 GROUND WATER ELEVATION(FEET MEAN SEA LEVEL) <br /> -20.101— WATER TABLE CONTOUR(FEET MEAN SEA LEVEL) <br /> INFERRED DIRECTION OF GROUND WATER N <br /> 0.002 MOVEMENT WITH GRADIENT(FTIM 0 30 <br /> * NOT USED IN CONTOURING <br /> n WATER LEVEL DATA COLLECTED ON 121412002Scale in Feet <br /> GROUNDWATER ELEVATION CONTOURS FIGURE <br /> 2520 Venture Oaks Way,Ste.250 <br /> Sacramento,CA 956333200 ARCO Facility No.548 ARCO Quarterly Groundwater <br /> TEL:(916)679-2000 1612 Hammer Lane Monitoring Report-4th Quarter 2002 <br /> FAX:(916)920-T263 Stockton,Califomia <br /> M <br />