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1�� V <br /> DDa+�Ds, ; SPE�aY A�ENu <br /> I <br /> . Mw 11 } <br /> 1PHg <50 <br /> 1 8 <0 50 a <br /> OFRCE BUILDING m 1 lttBE <2 5/<0 5A <br /> 1525 EL pORAOO STREET 1 r q <br /> 0 1 1 <br /> k OD 57pgE� <br /> OMw 10SCO <br /> _pr F MV42 <br /> �Ro 5EGE pM® ) <br /> Mw 1 p 1soFo ) <br /> TpHq <50 ® o I <br /> µw-10 <br /> B <0 50 vaos'o <br /> AR8E <2 5/<0 50 TACO ms) Mw-3 <br /> 1 ® +� $ W7 <br /> ' ( 4� ) Dp�v +AY LZ�GEND <br /> B <1 ow g ft 050# y,� WPIN � SHALLOW GROUNDWATER MONITORING WELL LOCATION <br /> MME 67,000/43,000 AMBE 160/140 <br /> A SOIL VAPOR EXTRACTION WELL LOCATION <br /> TPHg <50 <br /> 8 10 I • SOIL BORING LOCATION <br /> Tft <50 utBE 13/85 DMW-3 <br /> p DEEP GROUNDWATER MONITORING WELL <br /> 8 <0 50 <br /> MtBE <25/<O50 $ k_MW 2 sw i rPttg <50,000 GROUNDWATER EXTRACTION WELL <br /> I <br /> MW-7 8 <500 I AREA OF OVER-EXCAVATION DURING 1999 <br /> MW 56,000/6.5,0100 '' I — UPGRADE ACTIVITIES <br /> TPHg � (NS) NOT SAMPLED <br /> Jw'8 1300 o POWER POLE <br /> � � as,o00 HARp1NG WAY AttBE 320.oao/4s0000 T" <sa <br /> — oxr OVERHEAD POWER LINES <br /> � 8 4,100 <br /> B <0 50 <br /> o Amo BE 13,0010/15,0010 A1tBE 18/12 <br /> N D* MW 5 1 <br /> W <br /> SB-2 <br /> 240 <br /> JP1i97PHg 55 I CEMICALANALYTICAL RESULTS <br /> LW8 8 7 DR UMP EW 1 B <0 50 <br /> MW 14/12 DMW-1 MWE 72/64 I, ANALYTE <br /> SVE MINA <50 <br /> M `� MW-1 �g 9,300 I u <050 CONCENTRATION(�g1L} <br /> B 290 n <2 5/<0 50 <br /> p M MBE a 1010/4,700 <br /> O AC <br /> U PUMP PAVING <br /> ISLAND IPHg 210,000 <br /> AC <br /> PA 8 7,t00 <br /> PAWAl LYTES <br /> O n NG mw 190,000/150,000lcHg TOTAL PETROLEUM HYDROCARBONS <br /> om BUILDING 1 AS GASOLINE <br /> Ai f BENZENE <br /> MW 9 m <br /> +7m <br /> 0 60 120 A1tSE METHYL TERT-BUTYL ETHER <br /> 3 PAVING iiiia (BY EPA METHOD 802016260) <br /> N1 FORMERAND ` APPROXIMATE SCALE FEET <br /> =y r�T 1 5 iWS77NGUSTS i <br /> 8 <03a m ' i��i i Mw 2 SB_l t I ORkWN <br /> AItBE <2 s/<a 50m..r� }ti-� j <br /> �9 FIGURE 6 <br /> O B <050 REFERENCE SECOR APPR PR ARCO SERVICE STATION#4932 <br /> At6BE <2 5/<0 50 TOSCO SITE IS BASED ON ON A"SITE CH 16 EAST HARDING WAY <br /> U 1'PHg 1,200 PLAN"PROVIDED BY IT GORPORATION DATE STOCKTON CALIFORNIA <br /> B 10 AND 15 INTENDED FOR ILLUSTRATION Internatzo�al 04APR2002 <br /> i 1,000/720 MW_8 MONLY ORROWSUSRITE VEYINGR ED BY lAcorporated �OBNO GROUNDWATER CHEMICAL CONCENTRATION MAP <br /> 4 1 77BP 54932 00 JULY 12, 2002 <br /> f <br />