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JOINT MONITORING/SAMPLING DATA EXPLANATION <br /> PROVIDED BY BLAINE TECH SERVICES INC <br /> • WHEN AVAILABLE ♦ (Former er ro monitoring well <br /> 3 E � Former Chevron <br /> Parking i Deep groundwater monitoring well <br /> 0 1 (Former Chevron) <br /> pGroundwater monitoring well <br /> ! _ .Tose W i (Unocal Former Scotty's) <br /> (Former BP 41U <br /> Mw-1 Service Station = ♦ Groundwater monitoring well <br /> ! [19 97] 1 F f (Tosca Former BP Oil) <br /> Z <br /> N <br /> [19 91] 1 ac I •l Sump sample point ED N <br /> 00 <br /> Porlung AMw-5 ! MW-7 �'` j18 99J Jack in # lr <br /> I ( me Box 99 99 Groundwater elevation m feet 0, <br /> I [20 24]Mw-2 I referenced to Mean Sea Level <br /> [19 93] i 9 g9' Groundwater elevation contour, o <br /> Mw-3 j17 611 00 19 1 dashed where inferred <br /> [20 71] [19 93]Mw *AMW-6[21 47] <br /> Annw-3 t to <br /> _ AMw-2 [99 99] Not used 1n contouring, TOC's a, <br /> MW-5 _ <br /> j20 15] not referenced to common datum i <br /> AMW-4 0 <br /> j19 99] (99 ,99) Not used in contouring, sn X <br /> 11 deep screened well v C a, v <br /> TRACY BOULEVARD <br /> -F1 TOC not available w a') ° o <br /> [20 35] [18 89] ## p U c a N <br /> Mw-6 MW-8 _ L a c3 a <br /> Sidewalk s'r� m Z <br /> Mw-4 _ �� t _ �—""� o��^ MW-6A 18 73 `n v — <br /> i 14r i �oO""'""""""Q'"-�� Planter ( a t� L i FL- <br /> MW-1 <br /> MW-4 1 ormer 18 92 \ Approximate groundwater <br /> 1949 1♦ ` tatfon Mw-1 MW-68(19 82) + flow direction at a <br /> MW-6 I , +�ddtng Sump (Approximate Location) gradient of 0 006 Ft/Ft <br /> Approximate ` <br /> Location of Former-- MW-2 i {= Former <br /> USTS l Approximate Dlspen er MW-5 Forme 1 <br /> Dispenser <br /> Car <br /> Locaon f o_ is ; wank , of Wash <br /> I islands j W-3 ' 19 22 1 "l Budding <br /> MW-3 r_ 19 40MW-2 n <br /> 1 <br /> I -W MW-5 <br /> Approximate �� I <br /> Location of New t .(19 98) O�aA f r <br /> Gasoline U5TS tFLn <br /> ormer e� V <br /> USES � M W-7♦ ' <br /> C3 1890 <br /> o a Forme t 's <br /> Service I N <br /> 1 Store <br /> AMW-1 <br /> ! -qL, j20 331 " Former Ch yron <br /> ' <br /> Service Sta o = <br /> Property Boundary � W (A � <br /> o, <br /> 01e <br /> ri v m <br /> d U a <br /> JOINT MONITORING/SAMPLING DATA I —Z-7 <br /> W > <br /> • PROVIDED BY AQUA SCIENCES ENGINEERS INC ` ' o I 60 �0 C3 W 2 <br /> WHEN AVAILABLEx LOLS <br /> u7 <br /> Scale to Feet W W <br /> 010 <br /> une 2401 <br /> Source Figure modfied from drawmg provided by RRM engmPenng Chevron Ieyoui provided by Morrow Survey ng dated tLL <br />