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Im - ,I Technologies . ENVIRONMENTAL PROJECTS MANAGEMENT EPM TECHNOLOGIES,INC. • 217 Primo Way • P.O.Box 576185 • Modesto,CA 95357 • 209-538-3768 • FAX 209-538-3966 RECEIVED January 11 , 1995 ,LAK 18 1995 ENVIRONMENTAL LTH PERMIT/SERVICES Mr. Michael Infurna, Senior REHS San Joaquin County Department of Public Health Services Environmental Health Division P.O. Box 0388 Stockton, CA 95201-0388 RE: Proposed Ex-Situ Bioremediation of Previously Excavated Soil at the Reeve's Exxon Site, 2360 East Street, Tracy, CA Dear Mr. Infurna: As previously discussed, personally in our correspondence of August 11, 1994, EPM Technologies wishes to move approximately 40 cubic yards of previously excavated, hydrocarbon contaminated soil from the Pestana Trust property at 275 Grant Line Road, Tracy across the intersection of Grant Line and East Streets to 2360 East Street. Moving the soil will permit us to treat it at a location further from the apartment buildings located on properties contiguous to the 275 Grant Line site. Source of the Contaminated Soil and Determination of the Type and Level of Contamination As you may recall , the subject soil was excavated on February 22 , 1994 during exploratory trenching at 275 Grant Line Road. Two trenches were dug. One trench was dug near the northwest corner of the on-site building in an effort to locate an apparent source of hydrocarbon contamination detected during the preparation of contaminant contours developed as a result of the placement of soil borings during October of 1993 . The second trench was excavated along the western boundary of the site in an effort to ascertain whether contaminants had migrated onto contiguous property. Discrete soil samples were acquired from the boundaries of both trenches following the removal of a total of approxi- mately 40 cubic yards. Much of the soil excavated from the