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, <br /> allon underground waste <br /> 1989, TE CCt emoved Y 250 The results of the soil <br /> on December 6, the subj propertthe <br /> oil tank from ort of Findings ?.s rczrtairQd in ava ions so5l <br /> sampling and the Rep ,Proposal for Soil Excr�5 Grant Line <br /> 1990 TECC proposal entitled <br /> 275 from <br /> Sampling, <br /> Transport/Disposal n soil samples were collected <br /> California BTEX, <br /> Road, Traotal <br /> cy, it and analyzed far TpHg, purgeable <br /> the tank excavation p TpRd) , oil and Grease,and Zinc. <br /> Petroleum Hydrocarbons as diesel ( Lead, Nickel, <br /> Petr leum s, and Cadmium, chromium, resenHalot in all <br /> with the highest reported concentration bhest <br /> Detectable concentrations of oil and Grease were concentration h the nig <br /> three soil samples, <br /> 390 ppm. Tpgg was detected in two of the samples, <br /> wl <br /> reported concentration being 7 pPm- <br /> and 13, 1990, TFCC conducted further excavationsamplingOf <br /> andi <br /> On July 11, 12, The results of the soil TFCC report <br /> the waste oil tank <br /> area. tember 1990 <br /> s is contained in the Sep 275 <br /> Report of Finding s Soil Excavation and Sampling, <br /> one <br /> entitled ,Report of Finding r 3 „ Fifteen soil same <br /> Tracy, California the excavation of so�1s and <br /> Grant Line Road, Y only one soil <br /> pit water sample were collected during <br /> and Grease. BTEX. The pit <br /> analyzed for TPNg and BTEX and/ BTEX, and <br /> sample <br /> contained detectable concentrations of TpHg/ <br /> water sample contained detectable concentrations of. TPHg, <br /> oil and Grease- <br /> Sc )e__of work <br /> onmental Site purpose of this Phase 11 <br /> lateral and Envir vertical sextenttofasoil <br /> The pure nitude and th removed underground <br /> assess the mag y of the previously magnitude of <br /> contamination in the vicinity P <br /> The field activities monitoring Well o and <br /> oil tank and to determine thewere c <br /> extent and g <br /> waste <br /> groundwater contamination. 1991 „Work plan for <br /> according tc our April 24, <br /> nstallations, 275 Grant Line Road (Steve's Bait Shop) <br /> Soil Boring instal', and nci ided: <br /> Tracy, California groundwater <br /> e Installing three 2-inch outside diameter <br /> monitoring wells. <br /> • installed in appropriate <br /> These monitoring wells were <br /> locations that aided in the determination of the <br /> groundwater gradient. <br /> ® Installing four exploratory soil borings in the vicinity of <br /> the previously removed waste oil tank. <br /> • These soil borings were installed in appropriate <br /> further locations that aidein the of soil contamination <br /> �intthis°areaQ <br /> extent and magnitude <br /> PAGE 5 <br /> 275 GRANT LINE ROAD <br /> _i <br />