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F�: <br /> a COLORA OPERATIONS <br /> Climax Molybdenum <br /> �. Henderson Mine&Mill <br /> O P.O. Box 68 <br /> A Freeport-McMoRan Company Empire, CO 80438 <br /> Phone(303)569-3221 <br /> Fax(303) 569-2830 <br /> October 28, 2015 RECEIVED <br /> Via Email and Certified Mail: <br /> ,-**APR 2 9 2016 <br /> ONI SM OF RECLARA7lt <br /> IIIGA�N3 SAFETY <br /> Mr. Peter Hays <br /> Division of Reclamation, Mining, and Safety <br /> 131 Sherman St., Rm. 215 <br /> Denver, CO 80203 <br /> Re: 06'roundwater Quality Memorandum for Point of Compliance Well MLGW- <br /> ACR, Permit No. M-1977-342 <br /> Dear Mr. Hays: <br /> Climax Molybdenum Company, Henderson Operations (Henderson) is providing the <br /> enclosed Groundwater Quality Memorandum for Point of Compliance (POC) Well <br /> MLGW-ACR. This evaluation was proposed by Henderson in the 5-Quarter Water <br /> Quality Data and Baseline Parameters Report (May, 2014) to further assess iron and <br /> manganese concentrations in this well. Following your review of the enclosed <br /> memorandum, we would like to discuss potential alternatives prior to establishing <br /> numeric protection limits for this POC well. <br /> If you have any questions regarding this submittal, please feel free to contact me at <br /> (720) 942-3518. <br /> Sincerely, <br /> Tim Haynes <br /> Environmental Engineer <br /> Climax Molybdenum <br /> Henderson Operations <br /> cc (via email): <br />