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<br />Mountain Coal Company <br />Wat Elk Mina <br />Post Office Bmc 597 <br />Somerset, Colorado 87434 <br />Telephone 970 979-5015 <br />Fax 970978.5595 <br />October 8, 1996 <br />Mr. Mrchael P. Boulay <br />Colorado Division of Mmerals and Geology <br />1313 Sherman Street, Room 215 <br />Denver, CO 80203 <br />r~E riE~'V ~® <br />OCT ~ ~ ~ <br />iii iiiiiiiiniiiiii <br />999 <br />~~ <br />Division of Minerals 8 Geology <br />Re: Responses to Review of 1993 and 1994 Annual Hydrology Reports; West Elk Mine; <br />Permit No. C-80-007 <br />Dear Mr. Boulay: <br />This letter is in response to, and is referenced to the paragraph numbers ot; your letter of August 23, <br />1996, subject as above. <br />1993 AHR <br />I . Please find a revised page 2 and 3 enclosed. <br />2. Obstruction of the flume did not prevent collection of samples, only flume flow readings. The <br />currem operating procedure, that seems to be working well, is to clear accumulations of <br />sediment below the flume at each visit. Page 3 has been revised to report that Bow was not <br />obtained. <br />3. Please find a revised Page 3 enclosed that provides the name of the laboratory that <br />accomplished analyses and where the reports aze filed. <br />4. Please find a revised Page 4 enclosed. Record files had no footnote 3. Reference to footnote 3 <br />has been deleted in the revised copy. <br />5. •Mn results were provided on 06/07/93 for Sylvester Gulch, North Fork Upper and North <br />Fork Lower, all other samples (for this period) were taken on 06/08/93. Please find enclosed <br />revised Appendix D. <br />.Field pH and specific conductance was provided on the dates mentioned. pH, specific <br />conductance and TSS parameters are not reported on laboratory Water Analysis Reports for <br />the dates indicated for North Fork upper and Lower locations because the laboratory believed <br />the field measurements of pH and electrical conductivity to be more accurate and did not <br />