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it <br /> 2.0 BACKGROUND `t <br /> 1i <br /> t <br /> 2.1 U.S.T. REMOVAL i I <br /> 2.1.1 On March 31, 1990 one (1) 1,000 gallon unleaded fuel tank and one (1) 500 <br /> gallon waste oil tank were removed (see attached permit, analytical and Health <br /> Department notes). On October 26, 1990 there was an, underground storage <br /> {k 1 <br /> tank unauthorized release (Leak/Contamination Site Report was completed; <br /> jt I <br /> see attached). On March 7, 1994, Geweke received a letter from Public Health <br /> Services, San Joaquin County (see attached)�I in regards to investigation of the <br /> subject site. <br /> 2.2 HYDROCARBON CONTAMINATION <br /> q <br /> TABLE 1 y. r <br /> TANK NO. 1 <br /> ANALYTICAL RESULTS <br /> APRIL 9, 199'0 <br /> i4 <br /> Sample I.D. T.V. P.H. Benzene Xylene. Toluene <br /> g k1k <br /> #1 North N.D. PPM 47 PPB { 6.0 PPB 7.1 PPB <br /> #1 South N.D. PPM 53 PPB5.0 PPB 7.8 PPB <br /> #2 Tank 9.6 Diesel <br /> �6 c <br /> } <br /> f <br /> .. At 1 <br /> t, <br /> . j f <br /> �l <br />