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metering pump). The flocculant selected (Amerifloc 490) is approved for use in drinking water <br />systems and, based on aquatic toxicity testing, has very limited potential for adverse impacts to aquatic <br />life (see attached Safety Data Sheet and note that with low dosing rate and minimal potential for <br />residuals using the proposed- system, the risk is very low). Both the Water Qulaity Control Division <br />and Colorado Parks and Wildlife are being consulted relative to the proposed flocculant use. <br />This submittal includes revised PAP text and maps, addressing the proposed cleanup, remediation, and <br />reclamation activities. New and revised PAP materials are identified by the attached Summary of <br />Revisions/Additions. In order to take advantage of high seasonal flows, as previously noted, we ask <br />and appreciate your consideration.. cooperation, and assistance in facilitating timely review and <br />approval of this revision application. After you have opportunity to review the accompanying <br />information, please feel free to contact me with any questions or to discuss submittal materials or <br />related matters. <br />Best regards, <br />Twentymile Coal, LLC <br />i� <br />Jerry . N t ton <br />Manag=e1_1 <br />ironmental Affairs <br />cc: Mike Bredine/TC <br />Ed Brady/TC <br />