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i <br /> WN <br /> JOINT MONITORING/SAMPLING DATA EJCPLANATIQN <br /> PROVIDED BY BLAINE TECH SERVICES INC. Groundwater monitoring well <br /> • WHEN AVAILABLE (Former Chevron) <br /> Parking Deep groundwater monitoring well <br /> o (Former Chevron) <br /> a <br /> �- Groundwater monitoring well <br /> — — Tvsca 0 I (Unocal Former Scotty's) <br /> (former BP Oil) Z <br /> w"1 Service Station Groundwater monitoring well <br /> l H ; <br /> (Tosco Former BP Oil) N <br /> I I • Sump sample point 8 <br /> MW-7 00 <br /> Parking AMW-5 I Jack in <br /> A/B/C/D Total Petroleum Hydrocarbons <br /> The Bax � <br /> (TPH) as Diesel/TPH as <br /> I MW-2 Gasoline/Benzene/MTBE o <br /> concentrations in ppb Z, <br /> MW-3 c <br /> Mw +AMW_6 AMW-3 + Analyses by EPA Method 8260 N <br /> AMW-2 MW-5v <br /> NA Not Analyzed <br /> CL <br /> AMW-4 <br /> X V)Ckf <br /> O <br /> c o <br /> TRACY BOULEVARD O c N <br /> a (D 0 v, <br /> MW-6 MW-8 U w O U <br /> iSidewalk _ _ y ..-�' �—' Z , v c <br /> MW-6A <501<501<0 5+ 3+ o a v <br /> NA/<50/<0 516 8� NA/53/<0 5/12 WOE<50+/0 9t/<2+ I %Planter c)L,-u) <br /> MW-1 i Former Mw-6B <501<501<0 5+1<2+ <br /> i ` Mw-6 4 Station 'Mw-1 l I Sump (Approximate Location) <br /> Approximate 1111 ,� 4 Building320/<50/<0 5+/11+ <br /> Location of Former - MW-2 NA <50 <0 5 <0 5 -2 Former ' ' NA/<50/<0 5+/<2+ <br /> U$TS " r / / /npproximate c Dispenser <br /> MW.5 Former <br /> NA/<50 77/28 a I Location of a Islands $ Who Gar <br /> ! Dispenser Tank o Wash <br /> NA/<50/<0 5/<0 5 - —_ islands M Building <br /> _ MW-3 � c <br /> MW-3 — Q <50/310/4+/110+ #MW'2 s <br /> {� MW-5 <br /> Approximate NA/<50/<0 5/7 2 <50/<50/<0 5+/<2+ - <br /> Location of New ` <br /> Gasoline USTS ' Formers <50/<50/<0 5+/26+ C; L U <br /> o <br /> a USES MW-7 <br /> I 300/130/19+/<2+Unocal (Former Sc N <br /> Service Station <br /> Store AMW-1 y <br /> Former Chevron s , <br /> Service Statio o <br /> r'Go <br /> ac N <br /> PropertyBoundary <br /> o� <br /> I �� Z W L7 <br /> JOINT MONITORING/SAMPLING DATA IV <br /> PROVIDED BY AQUA SCIENCES ENGINEERS INC. a so o m <br /> • WHEN AVAILABLE <br /> Zia <br /> Scale in Feet <br /> 00 W <br /> Source Figure modified from drawing provided by RRM engmeenng Chevron layout provided by Morrow Surveprig dated June 2001 <br />