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SpELgGEND <br /> SHALLOW GROUNDWATER MONITORING WELL LOCATION <br /> A SOIL VAPOR EXTRACTION WELL LOCATION <br /> • SOIL BORING LOCATION <br /> Mw i 1 O DEEP GROUNDWATER MONITORING WELL <br /> oFFICc �s�1�E m GROUNDWATER EXTRACTION WELL <br /> 12'L-1 rjow r ❑ AREA OF OVER-EXCAVATION DURING 1999 <br /> d UPGRADE ACTIVITIES <br /> 33O <br /> ¢pia 05fro 70 MtBE CONCENTRATION CONTOUR <br /> 5520 (36) MtBE CONCENTRATION CONTOUR <br /> US <br /> �tw�� ,g_LF_ (NM) NOT MEASURED <br /> in w,3 ratio 2 0 POWER POLE <br /> —� �o11rE,1 TaSco <br /> a I SFri Vi-E STAB 00 97 <br /> FL r� MW-E a OVERHEAD POWER LINES <br /> nay t M 5 6;_sUS � <br /> ® 4 r 0, [ E METHYL TERTIARY BUM ETHER <br /> MW-10 I <br /> TACO <br /> LLE 1 (40) MW1 WW-3 <br /> 9 <br /> MW-7 <br /> kINJ A c� <br /> pRt�E,NFY <br /> p��L ynv 0 <br /> mw `MW_3 <br /> EW z <br /> anv� MW-2 <br /> ra I <br /> I <br /> HAflpING SAY <br /> MW-6 <br /> SB-2 <br /> Pf1 UMP EW-1 O <br /> EW 5 , Die -0 <br /> SVE 1 MW-4 <br /> M -3 mw <br /> CD AC <br /> 3p PUMP PAWNG <br /> ISLAND <br /> PAVING <br /> m AFiLY]9TATIpN <br /> � � c <br /> � Mwa �,` m <br /> AC <br /> PA <br /> 8 WNG a fid 120 <br /> W US <br /> E 5MTlNa�DTs +E3 f <br /> APPROXIMATE SCALE FEET 11 <br /> -^^5 MW 2 + r <br /> °flA"" PRFIGURE 5 <br /> REFERENCE TOSCO SITE IS BASED ON ON A'SiTE APPR ARCO SERVICE STATION#4932&TOSCO 4409 <br /> PLAN'PROVIDED BY IF CORPORATION CH 18 EAST HARDINO WAY/1602 NORTH EL DORADO STREET <br /> AND IS INTENDED FOR ILLUSTRATION REV DATE STOCKTON,CAUFORNIA <br /> ONLY ARCO SITE SURVEYED BY 7JUL2003 MtBE ISOCONCENTRATION MAP <br /> M 8 MORROW SURVEYING S E C Q R "NO DEEP WATER—BEARING ZONE <br /> 77CP 64409 02 0001 APRIL 28, 2003 <br />