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Peabody <br />®III ENERGY <br />Peabody Sage Creek Mining, LLC 36600 Routt County Rd. 27 <br />PO Box 250 <br />Hayden, CO. 81639 <br />(970) 276 -7001 <br />July 24, 2014 RECEIVED <br />Colorado Department of Public Health and Environment <br />Water Quality Control Division JUL 219 2014 <br />Permits and Enforcement Section DMSION OF 4300 Cherry Creek Drive South GAND 94FETYION <br />Denver, CO 80246 -1530 <br />RE: Quarterly DMRs for CPDS Permit No. CO- 0048275, Peabody Sage Creek Mine <br />Dear Sir or Madam: <br />Pursuant to the quarterly reporting requirements contained in Colorado Discharge Permit <br />CO- 0048275 for the Peabody Sage Creek Mine, please find enclosed the second quarter <br />2014 discharge monitoring reports for Outfalls 002 to 004. <br />Two excursions of DMR limits occurred this quarter; both of which involved the <br />selenium limit of 4.6 ug /L. The first occurred in a sample collected at Outfall 004 on <br />April 21. The second excursion occurred in a sample collected at Outfall 004 on May 7. <br />Attached to this cover letter are emails which discuss the details of each excursion and <br />copies of lab reports from ACZ Laboratories for the samples collected on April 21 and <br />May 7. These emails also served as our five day notices to the WQCD. <br />Sage Creek believes seasonal snowpack and subsequent springtime snowmelt runoff <br />caused both of these excursions of the selenium effluent limit as described in the attached <br />emails. And, selenium analyses in samples collected at the Site SSC6, located at the <br />lower end of the wetland established below Outfall 004 on the same day of each reported <br />excursion indicate the receiving stream concentrations of selenium were below the <br />standard of 4.6 ug/L. <br />No other excursions of DMR limits occurred during the second quarter of 2014. Please <br />call me at 928- 913 -9218, or email me at jcochran @peabodyenergy.com, if you have any <br />questions. <br />Si er y, 1 cor <br />Cochran <br />abody Energy <br />3 01 W. Shamrell Blvd., Suite 110 <br />Flagstaff, AZ 86001 <br />