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NOLYMA711IX .. <br /> ASSOCIATES <br /> 191 HARDER ROAD,SUITE 25 <br /> HAYWARD, CALIFORNIA 94544 <br /> 4151582-1641 <br /> I <br /> Universal Engineers Incorporated August 18, 1987 <br /> 610 Industrial Way Projects 069 <br /> Benicia, CA 94510 UE Job No. 2929 <br /> Attention: Richard Camacho Revision' 1 <br /> Subject: Analvtical results for soil samples collected at 1804 W. Main St. <br /> Stockton, CA. EDMUD Corpor,ition Yard. <br /> Dear Mr. Camacho: <br /> Analytical results are complete for the samples referenced above. The <br /> samples were analyzed to measure the concentration of various chemical <br /> constituents. The analytical y proceduresused to measure these constiuents <br /> are based on applicable U.S. Environmental` Protection Agency methods. <br /> Included in this report is a brief description of field procedures, a <br /> table of results and an appendix providing laboratory certification infor- <br /> mation.- <br /> Field Procedures: On July 27,1987 Fred Davis of PolyMatrix..Associates,-at- <br /> the request of Universal. Engineers, colit;cted .two (2) soil samples following/ <br /> a diesel tank removal. On July 29,1987 two (2) soil samples were also collected <br /> following the removal of a gasoline tank on July 27,1987 and the boring of camp <br /> _ung holes in a cement caldron on Jul <br /> 29 <br /> 1987 <br /> July The cement <br /> oline tank in place. The -samples were collected using ahandaddrivenhmodified <br /> eld the gas- <br /> Shelby tube with brass liners: Once the samples were extracted from the areas <br /> of concern, the brass liner open ends were covered with aluminum foil and sealed <br /> with PVC tape. All samples were immediately labeled and recorded on chain-of- <br /> Custody forms. Sal'ples were then placed on ice WC) for transportation to the <br /> laboratory. <br /> Analytical Results: The table attached lists the samples, parameters and their <br /> perspective concentrations. The analyses were <br /> performed <br /> of Santa Rosa, Certification /178, except the EDB tests.bTheNEDBCanalysesories were <br /> performed by Curtis & Tompkins Laboratory of San Francisco, Certification / 159. <br /> If you have any questions regarding this revision <br /> me at your convenience. please feel free to call <br /> Thank You. j <br /> Fred Davis <br /> PolyMatrix Associates <br />