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nuaiuiNnem <br />MEMO TO FILE r1 <br />t- <br />Z <br />Date: Wednesday, Febmary 21, 2001. 11:51 a.m. W <br />1 U <br />Specialist: Allen Sorenson Signed: <br />Subject/Operator/Operation/File No. Various, Henderson Mill. Climax Q <br />Molybdenum Company, Permit No. M-1977-342 <br />Type of Interaction: Meeting (t?hane Other <br />Person(s) contacted and affiliation: Erich Bower Environmental Coordinator Henderson klill. <br />303/569-3221 ext. 2214 <br />Summary and Resolution of Interaction: Discussion of the following three topics: <br />Henderson plans to install phase one of ground water interceptor system during construction season 2001. URS is <br />completing design for approximately eight interceptor wells and a series of I inch monitorin., piezometers. A <br />technical revision to incorporate the interceptor wells and monitoring network will be provided. <br />RFP for summer 2001 topsoil salvage operations in the tailing basin will be pre=pared in March 2001. DMG will <br />inspect site this spring to review topsoil stockpile locations and determine if additional permitting is necessary. <br />rTopuul oy be PjAs d into temporary windrows or placed in long-term stockpiles depending on cost and logistics. <br />DMG is concerned that salvage operations proceed such that poorer quality subsoil is not mixed with A-horizon <br />material. DMG will schedule inspection to observe topsoil salvage operations. <br />Henderson is proceeding to finalize a plan to accept delivery of biosolids for use as a reclamation soil amendment. <br />Will obtain permit from Health Department and TR with DMG. Currently looking at accepting only grade A, <br />composted material from the producer. This material would have no restrictions on where it could be used. <br />cAwindnws\pe.sonaMenderson varsous MTF.doc <br />a t1t r1 ? C r v"?'t (Z C? 044-4 C <br />44"-