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KLEINFELDER <br /> August 15, 1988 <br /> File: 24-2099-20 <br /> 17 <br /> ENV►ROME�.7 At. H'-IALTH <br /> Filpmll/SE�:vi;;tS <br /> Resource Development <br /> Attn: Mr. Tom McCollum <br /> 41 W. Yokuts Avenue, Suite 125 <br /> Stockton, CA 95207 <br /> SUBJECT: Addition Assessment <br /> Weston Ranch <br /> Stockton, California <br /> Dear Mr. McCollum: <br /> Enclosed is a revised proposed scope of work to conduct additional sampling and <br /> assessment at the Weston Ranch Parcels in Stockton, California. <br /> Kleinfelder performed a preacquisition site assessment and soil sampling investigation for <br /> the 15 parcels which encompass approximately 1,454 acres. Results of these investigations <br /> are presented in Kleinfelder's Preacquisition Site Assessment Report dated June 28, 1988, <br /> Preacquisition Appendix Report dated June 29, 1988, and Additional Analytical Results <br /> letter dated July 20, 1988. Additional investigation of the hydrocarbon stained areas and <br /> pesticide container disposal area PS-3 were recommended based on the field and analytical <br /> results. <br /> The proposed scope of work includes the drilling of soil borings. The San Joaquin Local <br /> Health District (SJL-ID) will need to issue a boring permit prior to drilling. Kleinfelder <br /> recommends a copy of this proposal be submitted to the SJLHD so a boring permit can be <br /> obtained. <br /> Unless ground water is not encountered within 10 feet of the surface, Kleinfelder is <br /> proposing to install three monitoring wells. These wells will be necessary to assess the <br /> possible nature and significance of the petroleum hydrocarbon detected in the earlier <br /> phase of work. Implementation of the proposed scope will provide additional assessment <br /> of soil and water contamination to be used for evaluating remedial actions to allow <br /> development to proceed. <br /> Please review the proposed scope of work and project cost estimate. With your <br /> authorization, Kleinfelder will submit the enclosed scope of work and obtain boring <br /> permits from the SJLHD. You will be notified if the SJLHD requires a work plan or <br /> additional information. We can initiate field activities within a week of receiving <br /> authorization to proceed and an approved boring permit from San Joaquin County. <br /> �! -,vGFI nrQ Q-Q:; R-inp\C P.rL nrivN Guita F �;.tr-arnanro CA 9;R77 iglhi 16fi -1ni <br />