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N~xx~TIVE <br />cLiENT <br />Trapper Muting, Inc. Craig Mine, P.O. Box 187, Craig, CO 81626-0187 <br />• DATE OF REPORT <br />November 27, 2000 <br />• PERMIT AND SAMPLE INFORMATION <br />NPDF.S permit #: <br />Type of sample: <br />Date and time of sample(s): <br />Date and time of test start: <br />Dilution water: <br />• TEST ORGANISMS <br />Cesiadaphnia dubia <br />Fathead Minnow <br />• PROCEDURE <br />CO-0032115 <br />E$luerlt Grab <br />11/13/00 0830 <br />11/14/001140 <br />Reconstituted Laboratory Water <br />Age: <24 hrs <br />Age: 13 days <br />Acute, 48 and 96 hour bioassays as outlined in the most recent protocols specified by the <br />Water Quality Control Division of the Colorado Department of Heahh (1998). <br />• DISCUSSION <br />Trapper Muting's Craig Mine outfall 001 effluent was not acutely toxic to either species <br />tested. Therefore, Trapper IvTining, Inc. is wrrerltly in compliance with the acute WET <br />portion of its Colorado State Discharge Permit for the fourth quarter of 2000. <br />~~ <br />COMMERCIAL TESTING & ENGINEERING CO. <br />-186 <br />~dginal Watermarked Por Your Protection <br />