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KAPREALIAN ENGINEERING, INC. <br /> K E I Consulting Engineers <br /> 535 Main Street <br /> Martinez, GA 94553 <br /> (415) 228-1882 - <br /> KEI-P86-031 <br /> March 6, 1986 <br /> Mr. C. E. Galloway <br /> Mobil Oil Company <br /> 612 South Flower Street <br /> Los Angeles, CA 90017 ' <br /> Re: Mobil-Tracy Bulk Plant Located at <br /> 500 E. Grantline Road, Tracy, ' California <br /> Dear Mr. Galloway: <br /> Kaprealian Engineering Inc. is providing this proposal to <br /> perform a subsurface contamination investigation at the above <br /> subject site. This proposal follows our visit on February 27, <br /> 1986, and discussion with you. <br /> In order to evaluate the presence of petroleum hydrocarbons <br /> in the soil and the groundwater underlying the area, we are <br /> proposing the following: <br /> 1. Excavate stained soils based on site assesment and <br /> feasibility. This excavated soil will be stockpiled above <br /> ground and on a plastic sheet. '. All precautions will be taken <br /> to abate runoff from the stockpile during the wet season. <br /> The stockpiled soil will be analyzed for total petroleum <br /> hydrocarbons in order to dispose to an approved landfill.- <br /> 02 . We propose to take total of six soil samples, three (3) in bc.z <br /> the area of the tanks, one adjacent to the building, and bud' <br /> another two behind the Main Building (see sketch) . The soil, <br /> samples will be analyzed for total hydrocarbons as gasoline. <br /> 3: The existing wells will also be analyzed for total �'lft r <br /> hydrocarbons, Benzene, Toluene and Xylene. "y� <br /> Following completion of the field investigation and S <br /> laboratory analysis of the samples,. a technical report will be <br /> submitted which will contain a description of the subsurface <br /> conditions, the soil and water analyses and conclusions, with <br /> recommendations for further measures. <br />