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UC 1*4 <br /> JOINT MONITORING SAMPLING DATA EXPLANATION <br /> PROVIDED BY BLAINE TECH SERVICES INC <br /> WHEN AVAILABLE -�- Groundwater monitoring well <br /> (Former Chevron) <br /> ParkingI <br /> f <br /> Deep groundwater monitoring well <br /> ai (Former Chevron) <br /> 0 g! Groundwater monitoring well <br /> Tosco 1 (Unocal Former Scotty's) <br /> 4- Formerw <br /> 4t�BP_ 0o1 LU <br /> Service Station Groundwater monitoring well <br /> I 1-9 Z I (Tosca Former BP Oil) <br /> I N <br /> 44 fil <br /> Parking AMM-s mw--i sample point 00 <br /> f Cr <br /> ThekBack ox A/B%C/D Total Petroleum Hydrocarbons a, <br /> I <br /> ! (TPH) as Diesel/TPH as <br /> Mw-2 <br /> Gasoline/Benzene/MTBE o <br /> i concentrations in ppb <br /> Mw-4 Mw-3 <br /> f <br /> � ,L AMw-6 AMW-3 <br /> Mw-z MW-5 , N07'E Benzene and MTBE analyses V <br /> ' by EPA Method 8260 <br /> AMW- Q ani n <br /> :20 <br /> TRACY BOULEVARD Z o <br /> p L c E <br /> L <br /> a <br /> Q —'-- o <br /> XJ — C%4 <br /> Mw-6 MW-8 z cL a U o <br /> Sidewalk _ _ _ <501<50, U E - r7 <br /> MW-4 € < 5/ MW-6A <50/<50/<0 5/11 o a n 1=' � <br /> MW-1 MW- /Planter U L� F— an <br /> f' Former IMw-1 Mw-66 <50/<50/<0 5/<2 <br /> Approximate I T MW-6 Budding : ; 50/ Sump (Approximate Location) <br /> Location of Former—, = , MW_2 { <50/<0 5/<0 5/3 <br /> USTS Former <br /> ! ;Approximate 2 Dispenser MW-5 Former<50/ <br /> Location of Islands +- Who <0 5/5 Car <br /> Dispenser Tank Wash <br /> IC >. <br /> _JI <br /> € Islands � Budding <br /> �T _� MW-3 <br /> MW-3 __ € r Mw-5 <50/<50/ Mw-z <br /> Approximate f <0 5/6 <br /> Location of New i eco, 61/<50/<0 5/<2 <br /> Gasoline LISTS f FFormer Bey <501560136/280 V u' <br /> I r I USTS �' MW-7 _� <br /> r~ <br /> 3E ; <br /> — 2- ,' 59/67/<0 5/<2 ~ r <br /> Unocal (Former Scotty'S) <br /> I Service,Station I I <br /> f an <br /> 1 � � o <br /> Store <br /> AMW-1 <br /> � CC <br /> Former Chevron <br /> Servi.ce<Station <br /> Property Boundary 41 <br /> .JOINT MONITORING/SAMPLING DATA <br /> • PROVIDED BY AQUA SCIENCES ENGINEERS INC i o I so 110p <br /> WHEN AVAILABLE W <br /> Lo <br /> Scale <br /> Scale in Feet w z <br /> co <br /> Source Figure modified from drawing provided by RRM engmeenna Chevron layout provided by Morrow Surveying dated June 2001 <br />