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i <br /> r <br /> r Block wall <br /> • \ p / (�• EXPLANATION <br /> •a d MW-4 _ Remediation <br /> (-20 20) �,� equipment <br /> \ cuQ`• O Monitoring well <br /> ¢ MW-3 <br /> G� Vapor extraction well <br /> s uw-5,,/ <br /> -�� Air sparge well <br /> N ! , Vapor extraction <br /> piping (Typ ) Sparge monitoring well <br /> ¢ r <br /> OMW-7 �cS i i STATION Destroyed well <br /> (-2000) D,s enser BUILDING <br /> Is <br /> i ; C1 I (-201.9) Groundwater elevation (Ft -MSL), <br /> ' measured 3/31/99 <br /> Rl I 0 <br /> F� I <br /> 1 <br /> I - Groundwater elevation <br /> lip;vw-7/ f contour (Ft -MSL) <br /> Vw-10 1GVW-8 VV41-11 i <br /> _ ��nN-s Approx direction of groundwater <br /> f <br /> 7 .r MW-5 - ---;---/�; / flow showing gradient <br /> ° L------------4 -_ 3 , <br /> i <br /> Mw-2 <br /> IZD <br /> O �� , (r2o• 0)e'J mt, ' MS,-3 / i �(-20 1S) n• l <br /> ? MW-1 i / i-- / / ll <br /> (-20 70) M5-1 f , -� VW-12 / <br /> VW-9 oN 0 <br /> - . <br /> • Sidewalk Driveway (-20 29) <br /> YOF, j <br /> u / <br /> o � 201 r <br /> 1 <br /> Y <br /> 0 <br /> .100, / <br /> /" <br /> E 20 <br /> � � l <br /> _ / / <br /> 004 i <br /> E0 <br /> o � <br /> sol <br /> V 0 ? HAMMER LONE ,20' <br /> IS N � <br /> / <br /> / a 30 60 <br /> SCALE IN FEET <br /> f o Mw-8 / <br /> mw <br /> v iy <br /> .. z <br /> (L z10000, Source Base modified from drawing <br /> provided by RESNA <br /> n. <br /> CD <br /> r, <br /> c i MW-10 <br /> a zPlogo <br /> ; &U44& <br /> ' (-20 33) Q Mw-9 DATE APR 1999 f FIGURE 3 <br /> N QDWN � ARCO PRODUCTS COMPANY <br /> 7 " APP f SERVICE STATION 2130, 7906 N. EL JDO:RA:DoONMENTAL SOLUTIONS REV STOCKTON, CALIFORNIA <br /> EW2IVISION OF EMCON PROJECT NO GROUNDWATER CONTOUR ELEVA <br /> 20805-114 010 FIRST QUARTER <br />