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i <br /> f_ <br /> ■F� <br /> 1 <br /> f4_ <br /> 1,0 INTRUDUCTiON <br /> 1.1 <br /> The purpose of this vh��l�ee�ocontaminatedevaluate <br /> the <br /> whether soil, or groundwater <br /> S <br /> Chapin Brothers, Inc. service station and auto repair <br /> � i,n Stockton, California. The site currently <br /> facility <br /> rground <br /> contains two 4,000-gallon and two 8,000-gallon k. The <br /> storage tanks and one undergrDrsd Taste oil tank. The tanks <br /> are thought to be 17 to 40 yea <br /> f. <br /> 1.2 asr_rivtion <br /> i The Chapin <br /> Brothers, Inc„ facility is located on the <br /> in <br /> Avenues <br /> southeast corner of Monte Diablo and Buena <br /> n vista bounded on <br /> California (Plate 1) The Property <br /> Stockton, an the north by Monte Diablo <br /> Buena Vista Avenue, <br /> the west by residences. <br /> 3..; Avenue, and on the east and south by <br /> is covered by .»Ph�lt and concrete paving and <br /> The site al�an underground tanks are <br /> ;z Two 8,0U:, <br /> g. • they <br /> the site building. <br /> present in the northeastern quadrant of the site, <br /> ular leaded gasoline for <br /> contain super unleaded and reg the northwestern <br /> ! ` Two 4,000-gallon tanks along <br /> retail sale. together and store regular <br /> � . edge of the site are manifoldadlwaste oil tank is present <br /> unleaded gasoline. One 50D-g ro erty line. <br /> between the site building and the eastern P F <br /> The approximate configuration of the site is depicted on the <br /> Generalized Site Plan, Plate 2. <br /> 2.0 FIELD INVESTIGATION <br /> one soil <br /> The field work performed included drilling <br /> .fx one groundwater monitoring Well in the <br /> boring, constructing soil and groundwater <br /> boring, and collecting and analyzing <br /> s amp l e s. <br /> ROGER FOOTT ASSOCIATES, INCMEN . <br /> f{ <br /> 3 <br />