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File No. 20-3978-0 LW I I R■ KLEINFELDER <br /> December 16, 1996 <br /> The soil borings will be closed in accordance with the protocol described in Attachment B. Soil <br /> cuttings generated while drilling will be placed on and covered by visqueen and stored on site <br /> pending chemical analysis. Water generated during steam cleaning of auger and/or equipment <br /> will be left on site in labeled 55-gallon drums. Analysis and disposal of drill cutting and steam <br /> cleaning wafer is not included in this proposal. <br /> Laboratory Analysis <br /> Each of the soil and water samples selected for quantitative analysis will be submitted under <br /> chain-of-custody control to Sequoia Analytical Laboratories (Sequoia) of Sacramento, <br /> California. Sequoia is certified by the California Department of Toxic Substances to perform the <br /> requested analyses. <br /> Up to two soil samples and one water sample from each boring location will be submitted for <br /> analysis. The samples will be selected based upon field observations, qualitative field screening <br /> results, and the depth in the boring. Each of the soil and water samples will be analyzed for <br /> Location Number of Samples to be Chemical Analysis <br /> Borings Analyzed <br /> Factory Gasoline UST I Hydropunch I seater • TPH purgeable/BTEX + <br /> I I TM MTBE <br /> 8 soil 0 Ethylene Dibromide (EDB) <br /> 3 soil . O anic Lead <br /> Historical Gasoline UST I Ilydropunch I seater • TPH purgeable/BTEX + <br /> IITM MTBE <br /> 2 soil 6 soil • Ethylene Dibromide(EDB) <br /> • Organic Lead <br /> Historical Oil Tank I Hydropunch I water • TPH extractable (fuel finger <br /> IITM print as diesel and motor oil) <br /> soil 6 soil . BTEX <br /> • CAM 17 Metals <br /> BTEX- Benzene, Toluene. E117ylhenzene, Total Xylenes <br /> MTBE- Methyl Cert-Butyl Ether <br /> It is anticipated that samples will be analyzed on a normal laboratory turnaround schedule, which <br /> usually requires up to 10 working days for receipt of analytical data. <br /> 10-1978-01.W11/MP960147 Page 4 of ©/996, Kleinfelder. In <br />