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DIVISION OF RECLAMATION, MINING AND SAFETY <br />Department of Natural Resources <br />1313 Sherman St., Room 215 <br />Denver, Colorado 80203 <br />Phone: (303) 866-3567 <br />FAX: (303) 832 -8106 <br />STATE OF COLORADO <br />COLORADO <br />D I V IS I ON OF <br />RECLAMATION <br />MINING <br />SAFETY <br />John W <br />MEMO TO FILE G ve oHickenlooper <br />Mike King <br />Date: 1/3/13 Executive Director <br />Specialist: PSH Director o Pineda <br />Subject: Spill Report — Mine Dewater Line Leak <br />Operator: Climax Molybdenum <br />Operation: Henderson Mill <br />File No.: M- 1977 -342 <br />Type of Interaction: Meeting =omig Other <br />Person(s) contacted and affiliation: and Miguel Hamarat, Climax Molybdenum — <br />Henderson Operations <br />Summary and Resolution of Interaction: <br />As required by Rule 3.1.13 — Spill Reporting <br />Mr. Bryce Romig notified the Division of a spill of mine water on January 3, 2013. The spill <br />occurred at approximately 1:00 PM on Thursday January 3, 2013. <br />Notice Requirements (3.1.13(2)): <br />(a) Climax Molybdenum, M- 1977 -342, Bryce Romig <br />(b) (303) 569 -3221 Ext. 1204 <br />(c) 1:00 PM, January 3, 2013 <br />(d) Mine Water <br />(e) An estimated 750 to 1,000 gallons of mine water was released due to a break in PVC <br />connection between the non - operational cooling fan condensate line and the <br />dewatering line from the Henderson Mine to the Urad Treatment Facility, no released <br />water left the permit area (or affected area), the released water flowed into a storm <br />water ditch and froze before it reached the stormwater outfall. <br />(f) Dewater pumps were turned off after approximately 15 minutes and the mine <br />dewatering was diverted into the second Urad dewatering line. <br />Additional information: the area of the leak the excavated to determine the cause of the leak, the <br />PVC lines from the fan condensate to the mine dewatering lines were removed and the area was <br />temporarily backfilled to prevent additional pipe freezing. The frozen released water will be <br />chipped out, removed and temporarily stored in Pond 1.2. The Division will conduct an <br />inspection of the spill on Friday January 4, 2013. <br />Office of Office of <br />Mined Land Reclamation Denver • Grand Junction • Durango Active and Inactive Mines <br />