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5/26/2006 <br />The Division proposed to approve the permit transfer to BTU Empire <br />Corporation. <br />2/14/2007 <br />The Division proposes to approve with conditions Permit Renewal 04 <br />(RN -04) <br />5/22/2009 <br />The Division issues a proposed decision to approve with conditions RN- <br />05 <br />1/25/2010 <br />The Division approves a revision to change the name from the Eagle <br />Mine Complex to the Williams Fork Mines <br />3/18/2011 <br />The Division approves a revision to change the operator from BTU <br />Empire Corporation to Moffat County Mining, LLC <br />Current Operational Status. Operations at the Williams Fork Mines were placed in temporary <br />cessation on December 3, 1995 due to market conditions. Currently, only maintenance, <br />reclamation and hydrologic monitoring activities are being conducted. The Williams Fork Mines <br />consist of three underground mines, the Nos. 5, 6, and 9 Mines, and a reclaimed surface mine <br />known as the Williams Fork Strip Pit No. 2. The No. 5 portal was permanently sealed in 1997 <br />and partially backfilled. The coal storage area, surface conveyors, silos and No. 5 yard and <br />warehouse area remain intact. The Mine No. 5A portals were temporarily sealed in 2003 to <br />prevent public access. The 5A portal ventilation fan was idled and awaits possible resumption of <br />mining activities. The Eagle No. 9 Mine permanently ceased mining activities in 1985. The <br />portal area of the No. 9 Mine was being used for a coal processing waste pile, but was reclaimed <br />in 2009. <br />Moffat County Mining, LLC (MCM) is currently pumping water out of the No. 5 Mine <br />workings, in the event that mining operations resume. The water is pumped through ponds 5 -P5, <br />5 -P6 and 5 -P7 (in sequence) and discharged into the Williams Fork River. The discharge point <br />(at Pond 5 -P7) is an NPDES discharge point (NPDES 003) and is monitored weekly, semi- <br />monthly, monthly and quarterly for various NPDES parameters. <br />MCM did complete some reclamation and demolition in the spring of 2008. The buildings that <br />were demolished include the compressor house, old shop, Oaky Plaza well shop, No. 9 <br />warehouse, B &S shop, bathhouse, Guard shack and fence, lab trailer and sample building, well <br />house by B &S shop, little shed south of Wise Hill portal, old carpenter shop and contractor <br />staging area, old (AML) mine site, rock dust tank #1 and rock dust tank #2. All of these areas <br />were covered with two feet of non - toxic, non - combustible cover, regraded, the topsoil was <br />replaced, where possible, and the areas were seeded with the rangeland seed mix. The <br />demolition debris was buried in an approved solid waste disposal area on the east side of <br />Colorado highway 13, by the waste disposal area. The solid waste disposal area was permitted <br />through Technical Revision 34, approved on 16 November 2007. MCM reclaimed the No. 9 <br />portal area refuse pile in 2009. MCM covered the pile with four feet of non - toxic, non- <br />combustible cover material (permit page 2.05 -29), replaced the topsoil and reseeded the area <br />with the rangeland seed mix. Finally, in 2010 MCM removed waste oil, oil tanks and other <br />products from the Multiple Services Building at the Mine 5A portals. <br />Williams Fork Mines C- 1981 -044 <br />2011 Midterm Review (MT -06) -4- 28 June 2011 <br />