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III IIIIIIIIIII 999 II Ill BATTLE MOUNTAIN RESOURCES, 1NC. October 25, 1993 Mr. Larry Oehler ~ Division of Minerals and Geology ~,/~~'~//fJ 1313 Sherman Street, Room 215 "' j0 2~ rTLEN Denver, Colorado 80203 DCOMPANV Re: Battle Mountain Resources, Inc. - San Luis Project DMG Permit No. M-88-112, TR-010 Weekly Pond Compliance Report October 17-23, 1993 Dear Mr. Oehler: Attached is a summary of the daily on-site cyanide analysis performed on samples from the active pond and the collection pond during the week of October 17-23, 1993 as required by the approved TR-010. This letter also serves as a follow~up discussion to the October 22 message that I recorded on your voice mail. During the week, the active pond averaged 1.64 ppm CN-wad and 1.83 ppm CN-total. The collection pond averaged 0.48 ppm CN-wad and 0.62 ppm CN-total. The weekly sample of the inactive pond, collected on October 19, showed 0.26 ppm CN-wad and 0.37 ppm CN-total. As per the telephone message of October 21, the active pond (lower pond) sample showed cyanide concentrations of 4.75 ppm CN-wad and 5.05 ppm CN-total. Samples collected the next day, October 22, showed concentrations of 0.59 ppm CN-wad and 0.91 ppm CN-total. As specified in TR-010, the DMG was immediately notified of the cyanide levels. The October 17-23 weekly average and the October simple monthly average for pond compliance will not be significantly influenced by this anomaly. We will continue to closely monitor the situation and inform the Division of any changes. If you have any questions, please call. Sincerely, Alana L. Scott Environmental Engineer cc: Anne Baldrige Ken Kluksdahl Mike Young A SUP.GDIARY OF fJATTLG AfOUMAIN f,OLP COMPANY P.O. BOX?10 SAN LUIS,COLORADO RI IS?0310 p191 672-3 36'_ FAX (719167?-3363