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TO FORMEI;CHEVRON SERVICE STATION <br /> GRANT LINE ROAD <br /> SIDEWALK <br /> ell- <br /> ' MW-1 MW-5 <br /> (17) (17) 10 ' <br /> MW-6 <br /> (0.77) 10 <br /> f O <br /> 7'000C� APPROXIMATE , <br /> LOCATION OF ' <br /> z I FUEL <br /> � � DISPENSER , <br /> Q ! ISLAND i <br /> ® I STOKE I <br /> � f <br /> X <br /> UA <br /> APPRO IMATE <br /> _ ,=.. I _— _• .. .-, s. -_. I I' - LOCATION-OF NEW :. <br /> MW-2 - .- I I I 10 000 GALLON , <br /> z (6,000) i i GA50LINE USTS <br /> IMW-4 I I I <br /> (51016 II !I I — l i <br /> ' <br /> ' <br /> (<0.5) ___PKOPEKTY60UNDAP <br /> L�� N QAPPROXIMATE _� <br /> - - - .- <br /> MW-6 i5 Screened in a deeper LOCATION OFFOFMER MT5c 15000NCEIITPATlO`N <br /> water8,000 GALLON r <br /> bearing zone and was not GA50LINE U5T5 C<ONTOUP. MA? - 112JIC12 <br /> MW-2 used in the contouring <br /> (5,300) Monitoring Well with0 <br /> ® MTBE Concentration(ppb) UNOCAL SERVICE STATION <br /> 1,000, Isoconcentration Contour NORTH 574 WE5T GRANT LINE LOAD <br /> SCALE TRACY, CALIFORNIA <br /> Estimated Groundwater pnrr:zrzzroz <br /> I Flow Direction 1"=30 <br /> AQUA SCIENCE ENGINEERS, INC, FIGURE 5 <br /> I. <br />