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<br />II. <br />II <br />II <br />I] <br />II <br />II <br />I <br /> <br />II <br />II <br />~ <br />~ <br />~ <br />~ <br />- <br />~ <br />- <br />- <br />- <br />~ <br />- <br /> <br />, . <br /> <br />the EPA mining team that such sources had been identified. This is of extreme importance <br />to me because it has been known for some time that mercury residues are present in <br />silt deposits in Mcphee reservoir and have been detected in mature fish species inhabiting <br />the reservoir and there would seem to be a Rico connection, Mercury, depending on which <br />form it may exist, can re-deposit in the riverbank alluvium and then be remobilized into <br />the waterway as result of disturbances to the alluvium resulting from gravel mining <br />activities. It would have been my expectation that the WQCD would have been on top of this <br />and have released some sort of report or statement. I have been unable to find such <br />information and would appreciate any updates you can give me. I am also hopeful that <br />you will address this issue in your new rulemaking considerations. <br /> <br />In conclusion, I must say in all honesty that because of the lack of credible data on the <br />impacts of gravel mining on water quality and the absence of any meaningfull monitoring <br />programs we simply do not know what the health consequences are, and can therefore <br />provide no assurances to the public that their health is not being compromised or <br />endangered. <br /> <br />Sincerely, <br /> <br />David B. W uchert <br />26495 CR 38.5 <br />Dolores, CO 81323 <br />970-882-8081 <br />