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Ms. Donna Heran Project 2527-100.01 <br /> January 19, 1995 <br /> Page 2 <br /> The analytical laboratory composited the soil samples four to one and analyzed the sample <br /> for the following petroleum hydrocarbon compounds: <br /> • Total petroleum hydrocarbons as gasoline (TPHG) using California Department <br /> of Health Services (DHS) Leaking Underground Fuel Tank (LUFT) <br /> methodology <br /> • Benzene, toluene, ethylbenzene, and total xylenes (BTEX) using Environmental <br /> Protection Agency (EPA) Method 8020 <br /> • TPHD using DHS LUFT methodology <br /> • Total recoverable petroleum hydrocarbons using EPA Method 418.1 <br /> TPHD was detected at 290 mg/kg and total recoverable hydrocarbons were detected at <br /> 770 mg/kg. TPHG and BTEX did not exceed the respective method detection limits. <br /> Certified analytical reports and chain-of-custody documentation are presented in <br /> Attachment A. <br /> Based on the analytical results, it was determined that the soil corresponded to the original <br /> soil contained in stockpiles SP-2 and SP-3. The differences in TPHD and oil <br /> concentrations were attributed to collecting soil samples from different parts of the <br /> stockpile, and analysis by different analytical methods than originally used. <br /> On behalf of JTF, EMCON submitted a disposal application to Forward, Inc., Landfill. <br /> The soil was transported to Forward, Inc., for class II disposal on December 2, 1994. <br /> Disposal manifests contained in Attachment B indicate the actual volume of soil was <br /> 36 cubic yards. <br /> This information regarding soil stockpile sampling and disposal should permit closure of <br /> the site file. If you require additional information, please contact one of the undersigned. <br /> Sincerely, <br /> EMCON <br /> /,P � <br /> Mark Capps �erry�? nham P.E. <br /> Staff Geologist Vice President <br /> Attachments: Attachment A Certified Analytical Reports <br /> Attachment B Disposal Manifests <br /> cc: Richard Thurn,Gray and Thum <br /> Christopher Taylor, John Taylor Fertilizer <br /> SACW:\PJT2527\25271000.1 AL-94Vfc:2 <br />