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Sen'ing Oar Clients Since 1980 <br />W <br />WC Engineering <br />A DIVISION OF WESTERN WATER CONSULTANTS INC. <br />Civil Environmental Mining Water Resources <br />61 I Skylinz Road ~ Laramie, Wyoming 82070 ~ (307) 742-0(131 ~ FAX (107) 7? I-?913 ~ E-maiP infolaru~u'+vezneinzzring.com <br />April 23, 2001 <br />CDPS Permit CO-0032638 <br />Ms. Sandra L. Brown <br />Colorado Division of Minerals and Geology <br />1313 Sherman Street <br />Room 215 <br />Denver, Colorado 80203-2273 <br />RE: Edna Mine First Quarter 2001, WET Test, and March 2001 CPDS Results <br />Dear Ms. Brown: <br />Enclosed are [he Edna Mine's (Permit #CO-0032638) CPDS and WET test reporting <br />results for the above referenced monitoring period. During the month of March ZOOI, DMP 001 <br />did not discharge. DMP 004 did not exceed the compliance criteria during the monitoring <br />period. <br />A grab sample taken at DMP 007 on March 12, 2001, exceeded the WET test compliance <br />criteria for d. magna. Pittsburg and Midway Coal Mining Company (P&M) noticed CDPHE <br />via a letter dated March 21, 2001 that accelerated testing would be performed at DMP 007. <br />Accelerated tests were performed on samples collected on March 28, 2001 and April 3, 2001. <br />P&M notified CDPHE via a letter dated April 1 L 2001 that both accelerated samples passed <br />compliance criteria, resulting in a pattern of no toxicity. <br />Please contact me at (307) 742-0031 with any questions or comments you have regarding <br />this matter. <br />Sincerely, <br />Steve Linse, P.E. <br />Project Engineer <br />SL:sb <br />Enclosures <br />File: 99-144 <br />OTHER LOG TIO:VS <br />1849 Terra Avrnue 107 East Fusi $Ireel 701 Antler Darr. Suitt 23z <br />Shendan, Wyoming 82801 Gllcuc, W)omm¢ 3?716 Casper. W'romine 8?601 <br />Phonr (307)67?-0761 Phonr (307)6R2-1880 Phonr (307)473-2707 <br />Fac (307)671-4265 Fac (307)68>_-?257 Fac (3071237-OS28 <br />E-mad mfoshru wwnengmeenng com 6mml mliighR~wxcengmeering.com E-maiP inroap;?:+r++cengmernng com <br />Po++er Bleck Bwlding <br />7 ~1'rst 6'" Arrnur. Suitr 1E <br />Htlena. Momana 59601 <br />Phone (1U6)1J?-?96'_ <br />Faa (106)117-i?55 <br />I?-mail: inlohln r++o crneinrcnne.mm <br />