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MW-11 MW 14 EEGEND <br /> (t 0 50) <br /> ARCO SOIL VAPOR EXTRACTION WELL <br /> MW-13 <br /> SHALLOW GROUNDWATER MONITORING WELL <br /> (CONOCOPHILLIPS) <br /> SHALLOW GROUNDWATER MONITORING WELL <br /> (ARCO) <br /> LO DEEP GROUNDWATER MONITORING WELL <br /> O MW 11 (CONOCOPHILLIPS) <br /> DEEP GROUNDWATER MONITORING WELL <br /> AO (ARCO) <br /> MW-10 <br /> (moo so ALL _f-_�-� ARCO GROUNDWATER EXTRACTION WELL <br /> Y � - ' <br /> X00 O FO R `rI MEA 9)2 000 MtBE ISOCONCENTRATION CONTOUR(ug/L) <br /> US 1s 76 STATI 4409 ,,W8 <br /> O MW-11 -710 % (000) MtBE CONCENTRATION(ug/L)BY EPA METHOD 8260 <br /> 1,000 {840) IORMOLr^ I MtBE METHYL TERTIARY BUTYL ETHER <br /> m W 5 1� MWS <br /> (74 1 1<9/L MICROGRAMS PER LITER <br /> 'k MW 10 I � ' <br /> 1�� -- -- APPROXIMATE PROPERTY BOUNDARY <br /> NiW 9 W-7 <br /> MW . <br /> (;0) <br /> 4 <br /> W-2(20,000) EW-5 <br /> (18,000) (3,70 OAFIpING WAY <br /> I EAST <br /> MW-7 ++ ,MW-2 8000) -� <br /> (<O 50} E O MW- <br /> CD <br /> (630) a <br /> r <br /> EW 7 <br /> i (27 <br /> LU <br /> W-1 DM1iV 1 MW-5 <br /> (74) <br /> 1 500 ) W 4 y <br /> 4 ® 11) I <br /> SVE-1 100 <br /> o W-3 DRY) <br /> (79) 1,00U Mt,1 <br /> cu 0,71 <br /> i <br /> v <br /> 3 <br /> O <br /> ARCO#4932 I <br /> a MW 9 BUILDING <br /> co (t0 50 m <br /> LLj Z <br /> E MW 2 <br /> w (400) <br /> o _ 0 60 120 <br /> m "�-'� .� REFERENCE THIS FIGURE IS BASED ON AN AERIAL SURVEY <br /> PROVIDED BY MORROW SURVEYING APPROXIMATE SCALE FEET' <br /> FOR FORMER 76 STATION#4409 <br /> 1502 NORTH EL DORADO STREET MtBE ISOCONCENTRATION FIGURA <br /> O <br /> s <br /> CONTOUR MAP f AR 6 HARD NG WAYS SHALLOW WATER BEARING ZONE <br /> MW-8 S E C 4 R OCTOBER 26&27 <br /> STOCKTON CALIFORNIA 2004 <br /> O (¢U 50) r 3017 KILGORE ROAD SUITE RANCHOO CORpOVA CARN A <br /> lJ OJOB NUMBER DRAWN BY CHECKED BY APPROVED BY <br /> g I PHONE (916)861 0400/661-04W(FAX) 77BP 5493203 RTDATE <br /> CH <br /> � <br /> 01/211/05 <br />