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Stark - DNR, Jim <jim.stark @state.co.us> Tue, Feb 5, 2013 at 12:08 PM <br />To: "Welt, Kathy" <KWelt @archcoal.com> <br />Cc: Alysha Hernandez - DNR <alysha.hernandez @ state.co.us>, Mary Rodriguez - DNR <br /><mary.rodriguez @state.co.us> <br />Kathy, <br />The Division has received the West Elk Mine's Discharge Monitoring Reports for the 4Q12. The reports were <br />dated 15 January 2013 and received by the Division on 28 January 2013. Thank you for your timely submittal of <br />these reports. Only one pond discharged during the reporting period, the waste water treatment pond. There <br />were no exceedences reported for the pond. Although this is the first reporting quarter since the buried, enclosed <br />waste water pond has been used, based on the total suspended solids concentration for the pond effluent, 6 <br />mg /I, it appears as though the buried, enclosed pond is working to control "contamination" from the coal dust. <br />The Division does not have any questions regarding the 4Q12 DMR's. Please let me know if you have any <br />questions or comments. Thanks. <br />+. <br />https: / /mai l.g oog le.conVmai 1 /u /0 / ?ui =2 &i Ire29129fcb5 &\iev�-- pt &search =i nboy&th= 13cabc2l a785174c 1 /1 <br />