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0 <br /> cotter <br /> RECEIVED <br /> Via Email and U.S. Mail <br /> DEC 2 6 2017 <br /> December 21. 2017 DIVISION OF RECLAMATION <br /> MINING AND SAFETY <br /> Mr. Michael Cunningham <br /> Division of Reclamation, Mining& Safety <br /> l 313 Sherman Street, Room 215 <br /> Denver, CO 80203 <br /> Re: Schwartzwalder Mine, Permit No. M-1977-300 <br /> Water Quality Data and Mine Pool Level Measurements for October 2017 <br /> Dear Mr. Cunningham: <br /> Enclosed please find monthly water quality monitoring results and daily mine water level <br /> measurements for the month of October 2017. This submittal represents the continuation of <br /> routine monthly reporting of water quality monitoring results and daily mine pool elevations. A <br /> review of the October 2017 data indicates that uranium concentrations at SW-BPL xNere all below <br /> 30 µg/L. All uranium concentrations in the sampled monitoring wells were also below 30 µg/L. <br /> Finally. no arsenic was detected at SW-BPL. <br /> If you have any questions regarding this submittal. please contact me at 719-275-7413, ext. 202. or <br /> by email at steve.cohen(c`r)cotterusa.com. <br /> Sincerely. <br /> Step ien .1. Cohen, PG <br /> Mill Manager <br /> Enclosures <br /> cc: Daniel Arnold, Esq. (Denver Water) <br /> Eric Mink (WQCD) <br /> Cotter Corporation Telephone(719)275-7413 <br /> Canon City Mill, 1700 Fremont Co. Rd. 143,Canon City, CO 81212 USA Fax (719) 275-1669 <br />