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r ri <br /> S0101 v <br /> Wright <br /> it d <br /> Environmental <br /> June 24 2004 Services Inc. <br /> Project No. 9111 (rev.1) Z e ,lr)t <br /> Construction + Engineering • Remediation <br /> JUN 2 2 2004 <br /> ENVIRONMENT HEALTH <br /> Ace Tomato Co., Inc. PERMIT/SERVICES <br /> 2771 East French Camp Road <br /> Manteca, California 95336 Q� ,,/ 0 , <br /> Attn.: Mr. Dean Janssen <br /> Re: Preliminary Soil and Groundwater Site Assessment <br /> Site at 2771 East French Camp Road, Manteca, CA (SITE CODE 0001557) <br /> Dear Mr. Janssen, <br /> Wright Environmental Services, Inc. (Wright) has prepared this work plan for the above <br /> referenced site. The proposed work is in response to a letter dated April 14, 2004 from <br /> the San Joaquin County Environmental Health Department (SJC EHD) for additional <br /> subsurface site assessment. Two underground petroleum fuel storage tanks occur on- <br /> site: one 6,000-gallon Diesel and one 6,000-gallon Gasoline. The dispensers occur at <br /> the ends of the tanks. <br /> This subsurface work is being proposed to address potentially locally elevated <br /> contaminants on-site, specifically in the immediate vicinity of a gasoline pump dispenser <br /> fill bucket_ Since Methyl-Tert-Butyl Ether (MTBE) and Tert Butyl Ether (TBA) were <br /> present SJC PHD desires additional subsurface sampling at this time in and around this <br /> location and subsurface tanks beyond that originally proposed in the immediate vicinity <br /> of the dispenser. This work plan revises the original Wright work plan dated March 17, <br /> 2004. <br /> Scope of Work <br /> The technical approach to this project is drill and sample four exploratory borings that <br /> will be placed at the locations shown on Figure 1. A brief review of 1996 regional depth <br /> to groundwater maps prepared by the County of San Joaquin Planning Department <br /> (Flood Control and Water Conservation District) indicates groundwater occurs at depths <br /> of about 25 to 30 feet flowing westerly in the site area. This approach will allow for a <br /> relatively rapid subsurface reconnaissance by collecting and chemically analyzing the <br /> vadose soil and uppermost aquifer groundwater samples. <br /> 67 E. 10th Street • Tracy,CA 95376 Page 1 of4 <br /> 209.833.0758 • Fax 209.832.5152 <br /> wright@inreach.com Lic. #651501 A-B HazMat, C21 � <br /> websit http://Wrightenvironmentalservices.com <br />