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i <br />Sen~Drg Our Clients Since ! 980 <br />Ww <br />III IIIIIIIIIIIIIIII <br />E <br />Inc. <br />Engineering Environmental Mining Water Resources <br />611 Skylinz Road ~ Laramie. \Vyoming 82070 ~ 1307) 742-00? I ~ FAY (307) 721-2913 ~ E-mail: inlolar n wwcengineering.com <br />May 21, 2001 <br />CDPS Permit CO-0032638 <br />Mr. Tom Kaldenbach <br />Colorado Division of Minerals and Geology <br />1313 Sherman Street .. ~ _ <br />Room 215 - .1; <br />Denver, Colorado 80203-2273 <br />MAY 2 5 2001 <br />RE: Edna Mine, April 2001 CPDS Results at'i8101[orMin~iGep~pgy <br />Dear Mr. Kaldenbach <br />Enclosed are the Edna Mine's (Permit #CO-0032638) CPDS reporting results for the <br />above referenced monitoring period. During the month of April 2001, DMP 001 did not <br />discharge. <br />Due to an oversight, [he samples collected at DMP 004 and DMP 007 in April 2001 were <br />in accordance with the permit standards that expired in March 2001. DMP 004 and DMP 007 <br />did not exceed those compliance criteria during the monitoring period. However, total <br />recoverable iron and potentially dissolved iron samples were not collected. A total iron sample <br />was collected in April 2001. The daily maximum total iron for DMP 004 was 1.12 mg/I and [he <br />daily maximum for DMP 007 was 0.16 mg/I. Future monitoring will meet the approved permit <br />criteria. <br />Please contact me at (307) 742-0031 with any questions or comments you have regarding <br />this matter. <br />Si erely, <br />J <br />eve nse, <br />oject Engi <br />SL:sb <br />Enclosures <br />File: 99-144 <br />OTHER LOCAT/ONS <br />1849 Terra Avenue 107 East Firsl Street 701 Antler Dnve, Suitc 233 <br />Shendan. Wyoming 62801 Gillette, Wyoming 82716 Casper, Wyoming 82601 <br />Phone (307)672-0761 Phone (307)682-1880 Phone (707)477-2707 <br />Fax (307) 674-0265 Fay (307) 682-2257 Fax (307) 237-0828 <br />E-mail: in(oshrr wucengineering coin E-mail mfoghnsvwcengineenng.rnm E-mail inlocsp«w~wcengineaing.com <br />Poser Block Building <br />7 Wesi 6'" Avenue. Suite 4E <br />Helena, Montana 59601 <br />Phone 1406)443-3962 <br />Fax (406) 447-0255 <br />E-mail: in(ohln ~~ uwcengineering coin <br />