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Work Plan to Excavate Gasoline Tank Cavity December 10, 1990 <br /> ARCO Service Station No. 6020, Manteca, California AGS 30055-2W <br /> OBTAINING APPROVAL OF TANK INSTALLATION <br /> With ARCO's approval, laboratory results and a sample location map will be provided to <br /> the SJPHS to expedite the installation of the new underground storage tanks. If warranted, <br /> Applied GeoSystems will recommend ARCO submit a letter committing to a date that a <br /> Soil Contamination Work Plan will be submitted. The Work Plan will describe proposed <br /> procedures for further delineation of hydrocarbons in soil not excavated. ARCO will then <br /> evaluate remedial options based on We results of the delineation. <br /> REPORT PREPARATION <br /> We will prepare a report summarizing our field methods, laboratory procedures, laboratory <br /> results, and conclusions. The report will also contain cross sections and maps (as <br /> appropriate) to illustrate sample locations and the extent of excavation. The report will be <br /> submitted to the SJPHS within 90 days of the completion of the field work. Information <br /> gathered will be considered confidential and released only with authorization of ARCO. <br /> �- 15 <br /> a <br /> ,�Ipp/ied Gec�Syste07S <br />