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CGFA Servicts inc. • 922 "J" Street, Suite 207 Modesto, CA 95354 VVI Phone 209-578-1478 O VIPV- Fax 209-578-1476 September 12, 1996 Mr Bill Hekman Ripon Milling Company '` P O Box 180 Ripon, CA 95366 RE: SOIL SAMPLE ANALYTICAL RESULTS FOR SOIL STOCKPILE LOCATED AT 320 SOUTH STOCKTON STREET, RIPON,CALIFORNIA. Dear Mr Hekman In accordance with a proposal dated June 21, 1996, CGFA Services Inc (CGFASI) coordinated the sampling and analysis of the soil stockpile located along the northern boundary of the above-referenced site (Figure 1) The purpose of the sampling was to assess the soil stockpile for the presence of petroleum product constituents I The number of soil samples proposed was based on an estimated stockpile volume of 1,200 cubic yards Based on measured dimensions, the estimated volume of the sort stockpile was revised to 1,450 cubic yards Therefore, based on a sampling protocol of one soil sample per 50 cubic yards, a total of 29 soil samples were randomly collected from the soil stockpile Relative sample locations and depths are presented in Figure 2 Twenty nine soil samples (S1 through S29) were submitted to Sherwood Labs in Hilmar, California (Sherwood Labs is certified by the state of California) Each soil sample was analyzed for total petroleum hydrocarbons as gasoline (TPH-G), benzene, toluene, ethylbenzene, total xylenes (BTEX), and total petroleum hydrocarbons as diesel (TPH-D) Soil sample analytical results are summarized in Table 1 According to Ms Linda Turkatte of the San Joaquin County Public Health Services/Environmental Health Division, the detected concentrations of TPH-D, ethylbenzene and xylenes are not regulated However, this document and a written record showing the destination of the soil, amount of soil deposited, and use of soil should be submitted to Ms Turkatte i