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is the estimate of $30,000 to decommission the water treatment plant. By <br /> comparison, the City recently began demolition of a small decommissioned water <br /> treatment plant, which did not include membranes used for radionuclide <br /> treatment, and the cost is exceeding $250,000. We believe the operational costs <br /> need a more detailed review, and an increase in CLL's financial warranty to be <br /> set accordingly. <br /> We understand that the timeframe for CLL to operate the site is less than 20 years. <br /> After that time, will this site become a public obligation to operate and care for into the <br /> indefinite future? This question remains unanswered. As part of this amendment <br /> process, we request a meeting with DRMS, CDPHE, US EPA Region 8, Denver Water, <br /> and the City of Arvada to discuss the future of this site. <br /> Thank you for the opportunity to comment. If our comments are not addressed and <br /> incorporated into the amendment permit, we reserve our right to a hearing in front of the <br /> Colorado Mined Land Reclamation Board (CMLRB). <br /> Sincerely, <br /> Sharon M. Israel, P.E., ENV SP <br /> Director of Utilities <br /> CC (by email): <br /> Daniel Arnold, Attorney, Denver Water <br /> Jill Hunsaker Ryan, Executive Director, CDPHE <br /> Jennifer Opila, Director, Hazardous Materials and Waste Management Division, CDPHE <br /> Nicole Rowan, Director, Water Quality Control Division, CDPHE <br /> Deb Thomas, Regional Administrator (Acting) and Deputy Regional Administrator, US <br /> EPA Region 8 <br />