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RECEI~E® <br />JUN 1 6 2^^4 <br />Division of Minerals and Geology <br />June 15, 2004 <br />Mr. Christopher Gates <br />Environmental Protection Specialist <br />Colorado Department of Public Health and Environment <br />Water Qua]ity Control Division -Permits and Enforcement <br />4300 Cheery Creek Drive South <br />Denver, Colorado 80222-1530 <br />Subject: Permit No. CO-0042161, Second Quarter 2004 WET Test Failure, <br />Outfa11001 (115 FCBH). <br />Dear Chris: <br />The following letter is to provide CDPHE with formal notification of second quarter <br />2004 WET test results for the subject outfall. A sample was collected from the subject <br />site on June 1st 2004. The test for 115 FCBH indicated that the effluent was acutely <br />toxic to Daphnia magna survival. <br />Per permit requirements, accelerated testing was initiated this week. The results of <br />which, will be forthcoming. If there are questions or comments, please contact me <br />directly at (970) 870-2750. <br />Sincerely, <br />Brian A. Watterson, R.G. <br />Geologist, Environmental group <br />cc: DMG <br />