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Sp�R <br /> R� A'qeNUl�' <br /> I <br /> �MW„ <br /> (i7.L1BJ <br /> OFFICE AD STREET <br /> OISTRCPO <br /> � <br /> 1525 EL DORADO <br /> 31 <br /> 0 � 152 ��OQFtR <br /> MW ib ALLEY �E <br /> Fnr� 1 CC1 FDtS T TOSE a mw-? <br /> 0 SOEfl STATIO <br /> RVICE Gip ST <br /> Q 15D2 E€ MW$ <br /> � <br /> ,s <br /> 1 0 O r_� t <br /> MW-10 K,08K <br /> TA �w <br /> CO `fit 4w <br /> l LL 0 + <br /> cop � <br /> T <br /> � ` MM1 Y D4��EY'IAY <br /> CPQ 1 <br /> D;4N eIAY <br /> i <br /> t r50 DMW 3 <br /> co <br /> MW 7 DMW 2 ...-" EW 2 <br /> (-leas) rt72H) L GEND <br /> _1800 SHALLOW GROUNDWATER MONITORING WELL LOCATION <br /> -1780 DINC, �VVAY �� 0 SOIL VAPOR EXTRACTION WELL LOCATION <br /> -1760 HAR <br /> • SOIL BORING LOCATION <br /> © DEEP GROUNDWATER MONITORING WELL <br /> _ "1740 Op�I� MW-5 GROUNDWATER EXTRACTION WELL <br /> 2 -7720 813-2 (1751) <br /> o ppivl uxr� � f — I AREA OF OVER-EXCAVATION DURING 1999 <br /> I — UPGRADE ACTIVITIES <br /> n .>> (nzr) OMW <br /> !C11 00 S f r 77 00 GROUNDWATER ELEVATION CONTOUR <br /> III <br /> 104 <br /> r � F MW�1 j? <br /> Cu 310s enrraoz APPROXIMATE GROUNDWATER FLOW <br /> DIRECTION AND GRADIENT FT/FT <br /> Ac <br /> .� <br /> —PUMP <br /> PAVING -1B 70) GROUNDWATER ELEVATION <br /> 30 6� AC ISLAND (FEET ABOVE MEAN SEA LEVEL) <br /> PAVING <br /> - I (N" NOT MEASURED <br /> C4 surtDlNO <br /> I C POWER POLE <br /> Lu MW 9 + AC o 60 120 o- OVERHEAD POWER LINES <br /> 7� Fflvo) 7n YAWNG <br /> FORM€RAN y,..i APPROXIMATE SCALE FEET * NOT USED IN CONTOURING <br /> r r C1 tS f EXISTING USTs ao <br /> i y <br /> m Mwz sB1 <br /> DRAWN PR FIGURE 4 <br /> 4 <br /> ARCO SERVICE STATION#4932 <br /> APPR <br /> O � REFERENCE TOSCO SITE IS BASED ON ON A"SITE S EC OR CH 1 S EASE HARDING WAY <br /> PLAN"PROVIDED BY IT CORPORATION DATE STOCKTON,CAUFDRNIA <br /> AND IS INTENDED FOR ILLUSTRATION International 04APR2002 GROUNDWATER ELEVATION CONTOUR MAP <br /> mW-8 ONLY ARCO SITE SURVEYED BY Incorporated <br /> Q ff7om MORROW SURVEYING rP JOB NO SHALLOW WATER BEARING ZONE <br /> a 77BP 54932 00 JULY 12, 2002 <br />