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BUR <br /> be made at that time. As mandated by the National Contingency Plan and CERCLA, the IRAs that <br /> have been or will be installed should be consistent with any contemplated final remedy for a site. <br /> LFR expects the existing IRAs (Phase I through Phase III) and proposed Phase IV IRA to be <br /> installed in 2006/2007 and enhanced bioattenuation in the vicinity of the Bank of Stockton (if <br /> deemed necessary by the proposed MIP investigation and pilot study) to be key components of the <br /> final remedy. <br /> Regarding FA's request that the Trust review prior comments FA made in previous comment <br /> letters, and address the "unresolved" issues raised in those letters when completing the revised site <br /> FS report, LFR is not aware of any unresolved issues. Please provide any references to any such <br /> issues to the Trust and we will attempt to address them. <br /> If you have any questions or comments, please call either of the undersigned at (510) 652-4500. <br /> Sincerely, <br /> Donald T. Bradshaw, P.G. Lucas Goldstein, P.G. <br /> Principal Hydrogeologist Senior Engineer <br /> Attachments: <br /> Lithology and MIP response, selected figure from LFR's Proposed Phase IV IRM Detailed Plan <br /> dated July 3, 2006 <br /> Time/concentration graph of well MW-006A <br /> Time/concentration graph of well CHMW-003A <br /> Time/concentration graph of well MW-1008A <br /> Itr-Farr-FS-responw-06750.dm:Ifr 6 <br />