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f <br /> t POLYMATRiX <br /> ASSOCIATES <br /> • 191 HARDER ROAD,SUITE 25 <br /> HAYWARD, CALIFORNIA 94544 <br /> 4151562-1641 <br /> Universal Engineers Incorporated August 18, 1987 <br /> 610 Industrial Llay Project# 069 <br /> Benicia, CA 94510 UE Job No. 2929 <br /> Attention. Richard Camacho IZevision# 1 <br /> Subject: Analytical results for soil samples collected at 1804 W. Main St. <br /> Stockton, CA. EONIUD Corporation 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 procedures used 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--prov2ding-laboratory-certification-infor- <br /> mation. <br /> Field Procedures: On July 27,1987 Fred Davis of PolyMatrix Associates, at <br /> the request of Universal Engineers, collected two (2) soil samples following i <br /> Wollowing <br /> diesel tank removal. On July 29,1987 two (2) soil samples were also collected <br /> the removal of a gasoline tank on July 27,1987 and the boring of samp- <br /> -sng holes in a cement caldron on July 29,1987. The cement caldron held the gas- <br /> oline tank in place. The samples were collected using a hand-driven modified <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. Samples were then placed on ice (4'C) for transportation to the <br /> laboratory. <br /> Analytical Results: The table attached lists the samples, parameters and their <br /> perspective concentrations. The analyses were performed by ANATEC Laboratories <br /> of Santa Rosa, Certification ##178, except the EDB tests. The EDB analyses were <br /> performed by Curtis & Tompkins Laboratory of San Francisco, Certification x#159. <br /> If you have any questions regarding this revision, please feel free to call <br /> ane at your convenience. <br /> Thank You. <br /> 7e,eC Da-,4t <br /> Fred Davis <br /> PolyAatrix Associates <br />