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Chevron U.S.A. - Page 2 <br /> After successive telephone calls to the San Joaquin Local Health District <br /> offices, a verbal comment was given to Dames & Moore regarding the workplan <br /> proposal. In consideration of expediency, Dames & Moore requested to submit an <br /> addendum in response to the verbal comments given during the telephone <br /> conversation in lieu of awaiting the written letter of response. The SJLHD <br /> agreed, and an addendum dated May 24, 1989 addressing those issues was prepared <br /> and sent via express delivery to the SJLHD office for review. <br /> Based upon review of the initial workplan and successive addendum, the SJLHD <br /> issued a letter of comment dated June 22, 1989 commenting on the following <br /> issues: <br /> 1. Items 1 through 4 of page 1 pertained to previous work by others which deal <br /> with issues allied to the workplan, but not specifically pertinent to the <br /> proposed work at the subject property. At your request, we would be pleased <br /> to address those issues separately at a later date. <br /> 2. Item 1 of the review of workplan and addendum section of the SJLHD letter <br /> identified how a soil sampling plan was not proposed. Our response is that <br /> the soil sampling plan is included in our original workplan on page 4, <br /> paragraph 4. As engineers and geologists, Dames & Moore feels comfortable <br /> that a soils profile may be interpreted by our field geologist or engineer <br /> based on the proposed sampling frequency (approximately every 5 vertical <br /> feet) or as deemed appropriate by the field personnel by the methods proposed <br /> in our workplan. <br /> 3. Please find attached Plate 2 of the workplan which was described as missing <br /> from the addendum. <br /> 4. Please find attached the "Authorization to Release" form signed and completed <br /> by Chevron. <br /> 5. Items 4 and 5 of the workplan/addendum review pertaining to verification and <br /> guidance documents and charts have been noted, and will be utilized in the <br /> completion of our investigation. <br /> We trust these clarifications meet your current needs so we may proceed <br /> with this project. <br /> DAMES & 'NiOORE <br />