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i <br /> LEGEND <br /> Mw 11 p WILL GROUNDWATER MONITORING <br /> OFTICEWf SNT FET � GROUNDWATER EXTRACTION WELL <br /> EL � SHALLOW GROUNDWATER MONITORING <br /> O WELL LOCATION <br /> S,,RE5 A SOIL VAPOR EXTRACTION WELL <br /> 0 t � • SOIL BORING <br /> Y r -°£ CJ�-1 "� AREA OF OVER-EXCAVATION DURING 1999 <br /> TOSCOmw 1 �� I — UPGRADE ACTIVITIES <br /> Tk JERON 5T ® m" o POWER POLE <br /> 0 ICE <br /> p M EL� MW-8 vHE OVERHEAD POWER LINES <br /> T1s p 0 P" <br /> APPROXIMATE GROUNDWATER FLOW <br /> NIw-1a y�osK DIRECTION AND GRADIENT FT/FT <br /> TO <br /> jNhQ <br /> s <br /> • 7 -164 GROUNDWATER ELEVATION CONTOUR <br /> 17 (FEET ABOVE MEAN SEA LEVEL) <br /> W A R +1 <br /> 9gl, t AY (1618) GROUNDWATER ELEVATION <br /> iv�wAY (FEET ABOVE MEAN SEA LEVEL) <br /> (NM) NOT MEASURED <br /> Mw-6 (AW NOT ACCESSIBLE <br /> lraz&1 0DMW-3• <br /> DEEP MONITORING WELLS NOT USED IN <br /> MW 7 DMW 2• EW 2 CONTOURING <br /> Ftxrs� IN+O <br /> i <br /> RplNG WAY <br /> 2 EW-1 <br /> Q —► <br /> IVE MW-5 <br /> 0 <br /> SB 2� <br /> 8 nI MP 0 } <br /> IS DMW-1 <br /> SVE-1 A MWS a <br /> AC Fmw 1 <br /> N <br /> a, <br /> PAVINGv <br /> CY P <br /> g AC Si AND <br /> N PAVING <br /> m m 8 Wo <br /> m 7 <br /> w-D + U) A REFERENCE TOSCO SITE IS BASED ON ON A'SIfE <br /> PA NG PLAN'PROVIDED BY IT CORPORATION, 0 60 120 <br /> N AND ONLY ARCO WELLS SURVEYED BYNTENDED FOR FORMERANp <br /> y T 1 t EXISTING USTs <br /> T{{ t i y 1 1 S&1 MORROW SURVEYING APPROXIMATE SCALE FEET <br /> LA- F 1 <br /> DPAWN PR FIGURE 8 <br /> SECOR APF'R CH ARCO SERVICE STATION#4W2 <br /> i] 16 EAST HARDING WAY <br /> MW-8 Interrnattonad DATE 04APR2002 STOCKTON CAUPORNIA <br /> + Incorporated JOB NO GROUNDWATER ELEVATION CONTOUR MAP <br /> 77BP 54932 00 BEFORE BATCH EXTRACTION -JUNE 21, 2002 <br />