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collected from beneath the former waste oil tank will be <br /> analyzed for chlorinated hydrocarbons (EPA 8010 ) . The <br /> analyses will be conducted by B.C. Laboratories, a State <br /> certified laboratory. <br /> 2. 8. 4 A Problem Assessment report will be prepared according <br /> to Regional Board guidelines summarizing the findings of <br /> the investigation and recommending further course of <br /> action, as appropriate. This report will be submitted to <br /> De Rollo Mazda and the San Joaquin Local Health District. <br /> The written report will include: <br /> * Description of area geology <br /> * Site plan showing locations of borings <br /> * Copy of boring logs <br /> * Summaries of laboratory analysis <br /> * Interpretation of data regarding vertical and lateral <br /> extent of contamination, concentrations of <br /> contaminates, as well as the source of the contamin- <br /> ation <br /> * Recommendations regarding further assessment and/or <br /> remediation. <br /> The field investigation will be conducted under the <br /> direct supervision of Russell Juncal, California <br /> registered geologist No. 3864, who will also review and <br /> sign the assessment report. <br /> 2. 8 . 5 Reference <br /> San Joaquin County Flood Control and Water Conservation <br /> District Semiannual Groundwater Report, Fall 1987, 8 p. <br /> Marshack, Jon B. , The Designated Level Methodology for <br /> Waste Classification and Cleanup Level Determination, <br /> California Regional Water Quality Control Board, Central <br /> Valley Region, October, 1986. <br /> 6 <br />