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Binns, Janet <br />From: Nettleton, Jerry [JNettleton@peabodyenergy.com] <br />Sent: Monday, September 15, 2008 1:07 PM <br />To: Binns, Janet <br />Subject: Twentymile Coal Company - Foidel Creek Mine (C-82-056), MR08-230 - Mine Discharge Modifications <br />Attachments: MR08-230 Mine Dewatering Modifications Text Rev.doc; MR08-230 Mine Dewatering Modifications <br />TL.doc; MR08-230 Mine Dewatering Mods. Bond Est.doc; MR08-230 Mine Dewatering Modifications <br />App Form.doc; MR08-230 Mine Dewatering Modifications SRA.doc; Final Memo Re. Twentymile Coal <br />Discharge (D0518897).DOC <br />Janet - <br />Attached are the components of a Minor Revision Application (MR08-230). This MR addresses the mine dewatering <br />modifications necessary to deal with the recent, unanticipated rise in water levels within our underground mine water <br />storage areas, and the resulting need for increased mine dewatering pumping and discharge. The modifications described <br />are intended to address both immediate and long-term mine dewatering and discharge needs, and to accommodate <br />potential water treatment options. A hard copy follows via US Mail for your files. <br />This MR specifically addresses one of the conditions in the recent emergency discharge agreement, reached through a <br />cooperative effort between TCC and the CDRMS. <br />For your reference, I have also attached to the MR transmittal letter, a memorandum from Jackson & Kelly, LLC <br />documenting a phone conversation last week with the CDPHE-WQCD confirming that water supply stream standards for <br />Lower Trout Creek are not applicable, because the WQCD does not show any registered water supply users on Lower <br />Trout Creek. This determination is consistent with the effluent limitations on the temporary certification (Coal General <br />Permit) for our emergency discharge to Foidel Creek from the 10RT Borehole(s), and with 5CCR 1002-31.11(6). <br />After you have opportunity to review the accompanying information, please feel free to contact me with any questions or <br />to dicuss related matters. We appreciate your attention and consideration - <br />Best regards, <br />Jerry <br />E-mail Disclaimer: The information contained in this e-mail, and in any accompanying documents, may <br />constitute confidential and/or legally privileged information. The information is intended only for use by <br />the designated recipient. If you are not the intended recipient (or responsible for the delivery of the <br />message to the intended recipient), you are hereby notified that any dissemination, distribution, copying, <br />or other use of, or taking of any action in reliance on this e-mail is strictly prohibited. If you have received <br />this email communication in error, please notify the sender immediately and delete the message from your <br />system. <br />9/16/2008