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4 <br /> v F 9 <br /> Mobil Oil Corporation �` r <br /> MAR[� !� 3$00 WEST.ALAMEdA AVENFIE <br /> F i!'9#\ �j BURBANK,CALIFORNIA 9156t43311 <br /> i <br /> 1 1992 <br /> PERMIT/SERVICES <br /> 1 <br /> March 27, 1992 <br /> . <br /> Ms.. Mary: ,.Meays FORMER MOBIL BULK PLANT <br /> San-Joaquin' <br /> an- Joaquin: County 500 EAST. GRANTLTNE ROA_D <br /> Environmental Health Division TRACY - CALIFORNIA <br /> 1fi01 :East Hazelton Ave. <br /> Stockton, CA 95,201 <br /> Dear Ms-. Meays <br /> Enclosed for your information is the. quarterly monitoring <br /> 1 report dated-:March 26, 1992, for subject location. on <br /> February .21, .1992, Alton Geoscience performed ground water <br /> f monitoring and sampling of the :monitoring wells AW-1 through <br /> AW-8. . The _average depth to the ground water was 10.70 feet <br /> and the general .ground water hydraulic gradient onsite -was <br /> 0.009 -foot/fodt .to the northeast. .In.; addition to the manual <br />�. pump. outs for interim reltediation,_ quarterly ground water <br />` monitoring and sampling will continue. <br />°i If you ;have any -questions, Please feel free to •call me at . <br /> (818) -953=2626. <br /> Sincerely, <br /> i� <br /> Stephen- _Pao <br /> Field Engineer II <br /> enclosure _ <br /> Ms.—Elizabeth.-Thayer (w/ enclosure) <br /> RWQCB- Central .'valley Region <br />' 3443 Routier Rad . <br /> Sacramento, CA 95827 <br /> �/le <br /> W` <br /> 1 &Iron enta <br /> Awareness <br />