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i <br /> 1 <br /> LEGEND <br /> MW-1 1 MW 14 <br /> (<050) ® ARCO SOIL VAPOR EXTRACTION WELL <br /> MW-13SHALL OPHROUPNSD)WATER MONITORING WELL <br /> (CONSHALLOW GROUNDWATER MONITORING WELL <br /> (ARCO) <br /> ? DEEP GROUNDWATER MONITORING WELL <br /> (CONOCOPHILLIPS) <br /> MW-11 DEEP GROUNDWATER MONITORING WELL <br /> (ARCO) <br /> M�RSosco ARCO GROUNDWATER EXTRACTION WELL <br /> TATS�N <br /> MW 1 a <br /> ALLEY 0 50 10 MtBE ISOCONCENTRATION CONTOUR(ug/L) <br /> IIS (<050 - SER �, <br /> r u5 s W 8 (<20) 1,2-DCA CONCENTRATION (Yg/L) <br /> r Wi <br /> O 2 5) FoN 1 12 DCA 1,2 DICHLOROETHANE <br /> �y0 a MW-3 l�91L MICROGRAMS PER LITER <br /> M W 6 l7?) <br /> p MW 10 + � <br /> +� C� <br /> MW 7'1 <br /> IiAl MW <br /> (3 8) pRIVENAY <br /> 1 <br /> EW-4 E 5 ') ORIV£NPY <br /> MW_6 EW 2 (<7, <br /> (<500) ��r � 50 ' <br /> I <br /> DMW-2 <br /> r lV MW-1 <br /> MW-7 (<25) <br /> S►0� Arc L3.aY <br /> I <br /> HApDINrl WAY Ewa SJOV4 �c <br /> (<r <br /> 1 MW 5 <br /> DA-1 {15) <br /> *MW-4 <br /> E-1 ` <br /> ® *(<50) BUILDING,1 <br /> l o 3 ( PUMP `MW-1 <br /> SLAND AC 1(700) N <br /> AC PAVING " <br /> �y AVIN, <br /> G LDING 1 <br /> o <br /> <0 50) C) VING <br /> m <br /> z 0 60 120 <br /> m C MVy-2 i REFERENCE THIS FIGURE IS BASED ON AN AERIAL SURVEY <br /> • C!1 <br /> t VING+(7 B) PROVIDED BY MORROW SURVEYING APPROXIMATE SCALE FEET <br /> —1 <br /> 12 <br /> PREPARED BY PREPARED F <br /> � FO�MGUS 5--� DRAWN BY PR OR <br /> I FIGURE 9 <br /> S�4N CHECKED KF FORMER 76 STATION #4409 <br /> MW- APPROVED CH 1502 NORTH EL DORADO STREET 1 2-DCA <br /> (<0 DATE 10/13/04 PR ISOCONCENTRATION CONTOUR MAP <br /> (<050) ' S E C O R ARCO ,A DINOW#4932 SHALLOW WATER BEARING ZONE <br /> JOB NO 778P 54932 0316 <br /> CAD FILE 1,2-DCA DEEP 3017 KILGORE ROAD SUITE 100 1 JULY 13-14,2004 <br /> RANCHO CORDOVA CA 95670 STOCKTON,CALIFORNIA <br />