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i <br /> MW 11 <br /> LEGEND <br /> •O DEEP GROUNDWATER MONITORING <br /> WELL <br /> oFrICERuj ofNG GROUNDWATER EXTRACTION WELL <br /> 1525 El-DQHAfXaSrAEETry 1 <br /> I �l WELL LOCATION <br /> GROUNDWATER MONITORING <br /> 00 SOIL VAPOR EXTRACTION WELL <br /> ��?0��� • SOIL BORING <br /> AL �Y � o+e—" ° E r AREA OF OVER-EXCAVATION DURING 1999 <br /> W10+ 0 F�y�s _g I UPGRADE ACTIVITIES <br /> O a SES��STA O o s7 ® 0 POWER POLE <br /> oI ' <br /> N� cq i602ORg0 $ orl� OVERHEAD POWER LINES <br /> OYs1-A4`1�,...- <br /> ts, t G Lr owwravruuos APPROXIMATE GROUNDWATER FLOW <br /> T MW to Baas DIRECTION AND GRADIENT FTIFT <br /> MW-3 <br /> r W <br /> M ;' _19 0 GROUNDWATER ELEVATION CONTOUR <br /> 1pIW g ek" (FEET ABOVE MEAN SEA LEVEL) <br /> 1 M <br /> PW <br /> AN GROUNDWATER ELEVATION <br /> (-1666) (FEET ABOVE MEAN SEA LEVEL) <br /> (NM) NOT MEASURED <br /> (AA) NOT ACCESSIBLE <br /> �DMW-3* <br /> $ DEEP MONITORING WELLS NOT USED IN <br /> MW 7 W 2* -2 CONTOURING <br /> �raaq (ra r� <br /> I <br /> I <br /> HARPING WAY <br /> j <br /> pRNE ` MW-5 <br /> o EW-1 <br /> OSB-2 H"O <br /> ISLA DMW-1 <br /> (A (D7 A6 <br /> -3 1 Am y� MW 1 <br /> CS dray ACS Fraee� <br /> O <br /> PA1gN <br /> m AqP <br /> CNV !$CANII <br /> O AC tQ <br /> IQ PAVING a <br /> co [7 BUILDING <br /> 00 <br /> m Z <br /> W W� m !� AG REFERENCE TOSCO SITE IS BASED ON ON A'SITE <br /> PAVlrYG PLAN'PROVIDED BY IT CORPORATION, 0 60 120 <br /> a .--" FORMERAND AND IS INTENDED FOR ILLUSTRATION <br /> $ !�-0 /ExJsnNG USTs ONLY ARCO WELLS SURVEYED BY <br /> m ` lY MW-2 + SB-1 MORROW SURVEYING APPROXIMATE SCALE FEET <br /> "MW" PR FIGURE 19 <br /> 0 ' SEC�R CH ARCO SERVICE STATION#4932 <br /> U 1S EAST FWRDING WAY <br /> We International DATE STOCKTON CAUFMNIA <br /> + Incorporated xm140 04APR2002 GROUNDWATER ELEVATION CONTOUR MAP <br /> 77BP 54932 00 BEFORE BATCH EXTRACTION -SEPTEMBER 11, 2002 <br />