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SITUATION <br /> A. Teichert and Son, Inc. have operated the Tracy Aggregate <br /> Plant as a mining and processing Plant for 20 years or more• The <br /> plant is located 3 miles south of. Tracy, California in the E-1/2 <br /> of Section 9, T3S, RSE, MDB&M. of gasoline in <br /> The operation required the storageless were <br /> ound tanks. Two small tanks of 100angallonsdu30 feet from <br /> o <br /> underground <br /> located f sa cut south <br /> of t <br /> he <br /> the top of a working Pit•maintenance op <br /> as <br /> As a part of Teichert's plan to elim a adecision many <br /> environmental hazardous situations as possible, <br /> made to remove and not replace these underground gasoline tanks. <br /> on March 12, 1987, A. Teichert & Son removed two small <br /> gasoline tanks located south of the maintenance building as <br /> shown on the attached map (Plato 2) • <br /> Soils tests indicate,3 gasoline contamination esultshofbottom <br /> these <br /> of the tank hole at about 10 feet deep• <br /> three soils tests and ,d inr sulesAof a test in backhoe pit #4 at <br /> 18.51 deep are presen <br /> On July 7, 1987 , LBME Corporation drilled boreholes BHsoil <br /> -1, <br /> HH <br /> -�2 anu BH-3. BH-1 was converted to monitor Soil (M were <br /> samples were taken each 5 feet of depth.drocarbons were found <br /> field-checked using an OVA-12B l meter. ° also a,'�=:ly'zed in the <br /> by field test. These <br /> laboratory• mhe results are presented in Table u t.=g ether with <br /> the water sample from MW-1- <br /> It will be noted that the only contamination found was in <br /> MW_l (SH-1) at 20' and 35' . The analyses of BH-1, 2 & 3 are <br /> given in Table B. <br /> SS DUCT LOSS <br /> TIMATE OFPRO <br /> There is no way to estimate the amour <br /> tanks <br /> of fuel <br /> deliveries <br /> T ears and <br /> tanks were in service for many Y <br /> and usage are available. <br /> nce the <br /> I would not expect the total sin sma <br /> all. he lost to be great iproduct <br /> � tanks were small and the through-Put <br /> was gasoline. <br /> TOPOGRAPHY the <br /> The site is flat, with an elevation of at5a rate USt <br /> of 35 feet <br /> s <br /> tank site and generally sloping northerly uin River drainage <br /> -per - <br /> system.er _ <br /> .. . <br /> mile toward the base level of the San Joaq <br /> P _._ ..__..... _ <br /> system. _�_ <br />