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r r <br /> f <br /> SUMMARY REPORT <br /> CHEVRON SERVICE STATION NO 9-4275 <br /> 2905 WEST BENJAMIN HOLT DRIVE <br /> STOCKTON, CALIFORNIA <br /> April 8, 1992 <br /> 1 0 INTRODUCTION <br /> This report is submitted as a summary of continuing environmental assessment work conducted at <br /> the Chevron service station number 9-4275 located at 2905 West Benjamin Holt Drive in Stockton, California <br /> (Figure 1) The work was conducted during the quarter of January through March 1992 Work completed <br /> at the site included quarterly groundwater monitoring and sampling, drilling and sampling three sod borings, <br /> and the installation of two groundwater monitoring wells (MW-6 and MW-7) and one vadose well (VW-1) <br /> 20 BACKGROUND <br /> In May 1990, Chevron retained Groundwater Technology, Inc to implement additional assessment <br /> at this site Previous work performed in 1989, by other consulting firms, included the removal of the original <br /> underground-storage tanks (USTs), performing a sod-vapor extraction survey,and the installation of five, on- <br /> site groundwater monitoring wells <br /> 3 0 ADDITIONAL ASSESSMENT WORK <br /> 3 1 SITE-SPECIFIC HEALTH AND SAFETY PLAN/BACKGROUND REVIEW/PERMITTING <br /> Groundwater Technology prepared a Site-Specific Health and Safety Plan required by the <br /> Occupational Health and Safety Administration (OSHA) Standard "Hazardous Waste Operations and <br /> Emergency Response" guidelines (29 CFR 1910 120) The Site-Specific Health and Safety Plan was <br /> prepared by a Groundwater Technology personnel, following a complete review of site conditions and any <br /> existing Site-Specific Health and Safety Plans for the site with the project manager The document was <br /> s <br /> [ lr�l1 <br /> 22425UM1 RPT 1LJuu GROUNDWATER�����, TECHNOLOGY INC <br />