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E XPLANA110N <br /> JOINT MONITORING/SAMPLING DATA <br /> PROVIDED BY BLAINE TECH SERVICES INC Groundwater monitoring well <br /> WHEN AVAILABLE (Former Chevron) <br /> Parking Deep groundwater monitoring well <br /> l o (Farmer Chevron) <br /> 0 Groundwater monitoring well <br /> c (Unocal Former Scotty's) <br /> TagF W <br /> F- Mw-1 Former BP Oil) Z -iK Groundwater monitoring well <br /> Service Station I J <br /> I f- (Tosco Former BP Oil) <br /> N � <br /> I a ( • Sump sample pont (0 W <br /> o� <br /> Mw- <br /> Parking I AMw-5 } t9 Jack '" AlB/C/D Total Petroleum Hydrocarbons 0') <br /> The Box <br /> (TPH) as Diesel/TPH as <br /> Gasoline/Benzene/MTBE o <br /> I I concentrations in ppb �. <br /> MW-4 MW-3 <br /> AMW-6 <br /> Mw-3 NOTE Benzene and MTBE analyses <br /> _ AMw-2 _ _ MW-5 J I by EPA Method 8260 <br /> � <br /> v 1 �cna° <br /> AMw-4 o <br /> TRACY BOULEVARD O N <br /> � > 0 <br /> Q °) <br /> HU Ca N <br /> MW-6 M W-8 Z '„ <br /> — F=1W050 <br /> - <br /> MW-6A<50/<50/<0 5/2n <br /> Sidewalk 0 Z t- V <br /> 0 r— a <br /> MW-4 <50/<50/2/<0 5 /Planter V� v7 1.-- <br /> MW-1 <br /> MW-1 MW-a 320/<50/<0 5/12 MW-6s<50/<50/<0 51<-0--5 <br /> MW-1 <br /> Station Sump (Approximate Location) <br /> Approximate l _ 4- MW-6 ! <br /> Building <br /> Location of Formers r MW-2 I Farmer '801<501<0 5/<0 5 NA/280/2/<0 5 <br /> USTS I Approximate a Dispenser MW-5 r " T <br /> —— Location of Islands Tank <br /> Car <br /> TW k Wash <br /> Dispenser ♦ Budding <br /> T Islands MW-3 <br /> MW-3 C 140/13%Z/140 -*MW-2 <br /> M W-5 J <br /> �- <br /> Approximate 8$/110/$/77 J�a.�°' <br /> Location of New <br /> Gasoline LISTS 'Former �egb t 1 <br /> C USTS MW-7 <br /> I71/<50/<O 5/<0 5 <br /> s <br /> Service Station I <br /> N <br /> AMW-1 CC <br /> Store Firmer Ch+rvr�n , <br /> Service Station YLP <br /> a <br /> -Property Boundary _ m <br /> 1� <br /> r -7 U o <br /> JOINT MONITORING/SAMPLING DATA l �' <br /> PROVIDED BY AQUA SCIENCE ENGINEERS INC fl so a : W <br /> WHEN AVAILABLE <br /> Zia <br /> 00 <br /> Scale in Feet W <br /> � 0 <br /> 0- <br /> Source <br /> Source Figure modified from drawing provided by RRM engineering Chevron layout provided by Morrow Surveying doted June 2001 <br />