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Mr. Alan R. Bashor <br /> Page 2 <br /> November 30, 1989 <br /> on only two documents: a "new" CP and the Hydrogeologic <br /> Assessment Report (HAR) . These two documents should <br /> contain all background information and the specific plan <br /> for closing and backfilling the pond. We have the <br /> following specific comments on the 1986 and 1988 <br /> documents: <br /> a) 1986 C.P.-Appendices D and H are not necessary. <br /> b) The financial report must be updated to the current <br /> fiscal year and submitted to both the DHS Regional <br /> office and the DHS Financial Responsibility Unit at <br /> HQ. <br /> C) All references to California regulations are now <br /> California Code of Regulations (CCR) , not CAC. <br /> d) There should be no discussion of attenuation factors <br /> for a clean closure, only background levels. <br /> e) 1988 Revision - The discussion on background is very <br /> sketchy. A complete discussion on the location of <br /> the borings (not shown on Plate 3 . 4 .4) the number <br /> and depth of samples, and sample handling and <br /> analysis should all be available. A table of <br /> averages is not acceptable. <br /> f) 1988 Revision - Page 29 Composite sampling for final <br /> verification will not be acceptable. Discrete <br /> samples should be collected for verification. <br /> 2) I believe a meeting in mid-December would be very helpful <br /> for all of us to discuss and agree on the next steps. <br /> The purpose of the meeting would be to review results of <br /> the sidewall sampling and, most important, to answer any <br /> questions on developing the Closure Plan. I will call <br /> you to set up a date and time. <br /> 3) I would like to see a revised new CP by February 1, 1990. <br /> The sooner we receive the document, the sooner it will be <br /> approved and final work can begin. I'm sure the <br /> contactors will prefer to work on the site during the dry <br /> season. <br />