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STATE OF COLORf'~DO <br />DIVISION OF MINERALS AND GEOLOGY <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 />Date: 6/2/03 V <br />Specialist: Allen Sorenson <br />Subject/Operator/Operation/File <br /> <br />MEMO TO FILE <br />Signed: ~~j~L2 ~/~G~'G~'~- <br />Rule R Nntificati~n -Process Water Teak. - %~oc . <br />COLORADO <br />DIVISION OE <br />MIN &RALS <br />GEOLOGY <br />RECLAM ATION•M INING <br />SAf ETY~SCIEN CE <br />Bill Owens <br />Governor <br />Greg E Watcher <br />Executive Direcor <br />Ronald W. Cattany <br />Division Director <br />Natural Resource Trustee <br />Type of Interaction: Meeting Phone Other <br />Person(s) contacted and affiliation: Anne Beierle, Climax Molvbdenum Co., 303/569-3221 ext. 1397 <br />Summary and Resolution of Interaction: <br />Ms. Beierle left me a voice mail at 6:37 pm on Saturday May 31, 2003 stating that seepage had been <br />detected that afternoon on a road adjacent to the mill water return line. This pipeline is an Environmental <br />Protection Facility (EPF) as defined in the Hard Rock/Metal Mining Rules, hence a Rule 8 notification was <br />required. Henderson acted by turning off the return pumps and draining the pipeline back to containment in <br />the seep water canal below the tailing dam. The seep water canal is also an EPF. This leak was not <br />reportable to the Water Quality Control Division since the leakage did not reach Waters of the State, and <br />was not reportable to the National Reporting Center as no hazardous substances were spilled in a reportable <br />quantity. Ms. Beierle left another voice mail at 11:42 am on Monday June 2, 2003 stating that the flow of <br />the leak on Saturday had been measured at 0.5 gallons per minute. It took 12 hours to drain the pipeline, so <br />the maximum total leakage is estimated to be 450 gallons. All leakage was contained on Henderson <br />property. Henderson will excavate to expose the pipeline and will provide a written report of the <br />investigation and repairs. <br />ec: Bruce Humphries, DMG (via email) <br />Cazl Mount, DMG (via email) <br />Anne Beierle, Climax Molybdenum Co., (via email) <br />c:\acs\My Documents\Henderson return line leak MTF.dce <br />Office of <br />Mined Land Reclamation <br />Office of <br />Active and Inactive Mines <br />Geological Survey <br />