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' e <br /> in <br /> W.W.IRWIN,INC. ENVIRONMENTAL•CONSTRUCTION•MAINTENANCE <br /> CALIFORNIA LICENSE NO,252163 <br /> July 17, 1992 <br /> Project: 033029.00 <br /> I <br /> Mr. Jack DeWitt <br /> Western Meter Drive <br /> 2735 Teepee Drive Ste . l <br /> Stockton, California 95205 <br /> RE: Transmittal of Data Report discussing soil samples <br /> collected from excavation of an underground fuel tank <br /> located at 733 South Vanburn, Stockton, California. <br /> Dear Mr. DeWitt : <br /> Enclosed please find, analytical results of soil samples <br /> collected June 9, 1992, during the excavation of a 1,000 <br /> gallon gasoline storage tank. The tank was removed; two <br /> samples were (plus one sample from the soil stockpile) <br /> collected and as requested by San Joaquin County <br /> Environmental Health Department, analyzed for: Total <br /> Petroleum Fuel Hydrocarbons Low/Medium Boiling Point with <br /> BTEX Distinction . <br /> Soil samples were collected from undisturbed soil 'two feet <br /> below the tank at each end of the tank and from excavated <br /> soil pile. <br /> Groundwater was not observed during removal of the tank and <br /> is suspected to be approximately sixty feet below sea level <br /> (Department of Water Resources, Lines of Equal Elevation of <br /> Water in Wells, San Joaquin District, Spri.ng, . 1990) . . <br /> i <br /> r <br /> Soil samples were transported on' ice from site to a sample <br /> storage refrigerator until a state certified laboratory took <br /> custody of the samples within the EPA 14 day holding period. <br /> Certified Analytical Reports and Chain of Custody Record are <br /> included in Appendix A. A listing of anomalous constituents <br /> and results are listed in the following Tables 1-3 <br /> 1 (laboratory analysis) . <br /> (209) 725-2085 (800) 585-2085 <br /> (209) 383-3404 FAX <br /> 335 GROGAN AVENUE. SUITE A MERCED. CALIFORNIA 95340 <br /> i <br />