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. � LEGEND <br /> MW-11 MW 14 1 ARCO SOIL VAPOR EXTRACTION WELL <br /> (c0 50) <br /> SHALLOW GROUNDWATER MONMORING WELL <br /> MW-13 (CONOCOPHILLIPS) <br /> SHALLOW GROUNDWATER MONITORING WELL <br /> (ARCO) <br /> DEEP GROUNDWATER MONITORING WELL <br /> (CONOCOPHILLIPS) <br /> MW-11 DEEP GROUNDWATER MONITORING WELL <br /> (ARCO) <br /> Ycscfl ARCO GROUNDWATER EXTRACTION WELL <br /> VoRma,MW-10 EA CE�- 451fl sl ' <br /> 1sn2 u 100 MtBE ISOCONCENTRATION CONTOUR(,ug/L) <br /> -2 <br /> (t0 50 foR�ntic� \\\\ 08 (99) MtBE CONCENTRATION(ug/L) BY EPA METHOD 8260 <br /> \\\/ <br /> MW-1 \ MIt7E METHYL TERTIARY BUTYL ETHER <br /> E� <br /> ( ) \ MW-5 (NS) NOT SAMPLED <br /> p h <br /> MW-6 (1l <br /> O MW-10 <br /> J W-7 <br /> SACO (57)MW-4+ MW-9 qRt SWAY <br /> 4 ns�tiv�wA / J <br /> EW-2 / <br /> (8, / <br /> N�O (220)-3 � 3 <br /> MW-7 ' "2 M <br /> (c0 50 �V'B B�) <br /> g1D `N p1 K p AOR / / <br /> Q / I <br /> Y ��, <br /> HApDIN <br /> WAY l? EW-7 sIDF / <br /> MW 5 <br /> D -1 (<50) / <br /> R 250) 1 'i� <br /> M -3 <br /> E 1 0 BU DING <br /> (o DRY) PUMP) MW(301 / <br /> ISLAND J <br /> m C PAVING AC s 1 / M <br /> LAVING <br /> 0 <br /> a <br /> BUILDING <br /> lW-9 <br /> <0 Z 1 \ PAVING 0 BO 120 <br /> M1 AC MW 2 / REFERENCE THIS FIGURE IS BASED ON AN AERIAL SURVEY <br /> p ` PAVING,0-(220) / / PROVIDED BY MORROW SURVEYING APPROXIMATE SCALE FEET <br /> (n <br /> R 8L <br /> fl <br /> Cs{ 1J1� ST � r ' / / DRAWN BY PR PREPARED BY PREPARED FO <br /> EX�S k 1-001 1-01 CHECKED KF FORMER 7 3 STATION#4409 FIGURE 7 <br /> APPROVED CH 14) 1502 NORTH L DORADO STREET <br /> DATE 4/16104 PR ARCO Ic TATI ON#4932 MtBE ISOCONCENTRATION CONTOUR MAP <br /> JOB NO 77BP 54932 03 S E C O R 16 R kRDI NG WAY SHALLOW WATER BEARING ZONE <br /> MW-8 CAD FILE MTBE SHALLOW 3017 KILGORE ROAD,SUITE 100 APRIL 2004 <br /> RANCHO CORDOVA CA 96670 STOCKY N, CALIFORNIA <br />