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1� I <br /> 10 <br /> 100 <br /> 1,000 ) <br /> S-s f <br /> MW-10 Mw-9 <br /> {��`- LEGEND <br /> ND<O 50 ELM WOOD A VENUE ND<0 50 S-5 z%2sj oos MW-13 Monitoring Well with <br /> Dissolved—Phase MTBE <br /> (1300) Concentration (Ng/1) <br /> 2/25/2005 <br /> SP—C O❑ - MW-13� LLJ S—s Groundwater Monitoring <br /> + 1 Well (Shell) <br /> r WASTE OIL ND<O 50 <br /> TANKOIL I SP-D IBJ ; vw-2 m Vapor Extraction Well <br /> i CHANGE <br /> i AUTO BUILDING <br /> SERCE ( 1 t SP-B / M 2111 <br /> VISP-0 Ozone Sparge Point <br /> BUILDING l�;'1 !/ M - �D 50 , Ca (Shallow) <br /> ---, 10 'I SP-E !Sp_A Mw-11 Groundwater Monitoring <br /> ii MW-4 i a KN (_ { Well (75' Deep) with <br /> 3 3 DISPENSER MW-7 !� S_3 Conductor Casing <br /> FORMER vyy_1 i ISLANDS F - ND<50 LU <br /> i UST ® i } ND<O 50 FORMER MW-2 Rf Destroyed Well <br /> i FOPUN, + --I 141AS7t OIL <br /> 01 US7c 111% LJ TANK S-1 <br /> E SHED , I -- rS_2 _ - �10� Dissolved-Phase MTBE <br /> ' KIOSK - ? ND<2 g Contour (pg/1) <br /> TRASH _ I I SP-F <br /> 22i <br /> 1 x ---- MW-12 I <br /> 1 1 <br /> FOP ER L <br /> CAR WASH 0 _____-__= SP-J VW-2 USTS FORMER BANK OF i <br /> CLARIFIER TANK -z MW-2 O rh SP-C' I TIE WEST BUILDINC <br /> i ----------- a C� L -- <br /> NOTES• <br /> - MW-6 SP-H r 1 FORMER SHELL Contour lines are interpretive and based on <br /> r - —-- -ND<0 50 - - - —- - MW-4- i _ j STATION laboratory analysis results groundwater <br /> K2P 054 samples MTBE = methyl tertiary butyl ether <br /> }ig/P = micrograms per liter ND = not detected <br /> SP-K (2/0000) at limit indicated on official laboratory report <br /> NA = not analyzed measured or collected <br /> UST = underground storage tank Dashes indicate <br /> contour based on non-detect at elevated detection <br /> COUNTRY CLUB BOULEVARD limit Shell Station data provided by Blaine Tech <br /> Results obtained using EPA Method 8260B <br /> } Mw-8 <br /> ND<O 50 DISSOLVED-PHASE MTBE <br /> CONCENTRATION MAP <br /> May 27, 2005 <br /> } Former BP 011 11192 <br /> 1403 Country Club Boulevard <br /> o Stockton, California <br /> SCALE (FEET) <br /> ;i 0 50 1001 FIGURE 5 <br /> Q <br /> L\Graphics\Pro1ectsByMumber\20-xxxx\20-0400(UnocalOMS)\x-11 000\11192+\111920MSDWG Aug 05 2005 - 10 54am pgunderson <br /> l <br />