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' i Y <br /> KAPREAL1AN ENGINEERING, INC. <br /> K E I Consulting Engineers <br /> 535 Main Street <br /> Martinez, CA 94SS3 <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- onsite 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 /> 2 . We propose- to- take total of six soil samples, three (3) in <br /> the area of the tanks; one-'adjacent to the building, and. <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 <br /> hydrocarbons, Benzene, Toluene and Xylene.- . . <br /> Following completion o€ -the field investigation and <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 /> a <br />