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~' <br /> <br /> <br />-2- <br />PAR Comments <br /> <br />The Division has the following comments regarding the adequacy of Technical <br />Revision number three (TR-03). <br />1). The manganese content in the effluent from pond M3-S varies from 0.6 to <br />0.8 mg/1. this concentration is three to four times the EPA <br />agriculture standard of 0.2 mg/1. (EPA Water Quality Criteria, 1972). <br />CYCC needs to discuss the effects that the manganese exceedences may be <br />expected to have upon livestock and wildlife which can be expected to <br />use the stock ponds. <br />2). Periodic maintenance of the ponds will be required if the ponds are to <br />be permanent and used for stock watering. CYCC needs to propose a <br />maintenance plan which will insure that the stock ponds will be <br />permanent, functional facilities. <br />3). The twenty-five year life of the ponds depends upon cleaning of the <br />ponds immediately prior to bond release. CYCC needs to explicitly <br />commit to cleaning the ponds at the time of bond release in its <br />reclamation plan. <br />Please feel free to contact me regarding the preceeding comments. <br />Sincerely, <br />Brent C. Anderson <br />Reclamation Specialist <br />BCA/bdc <br />2033G <br />