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NARRATIVE <br />• cI.>EtvT <br />Trapper Mrning, Inc. Craig Mine, P.O. Box 187, Craig, CO 81626-0187 <br />• DATE OF REPORT <br />March 5, 2000 <br />• PERMIT AND SAMPLE INFORMATION <br />NPDES permit #: <br />Type of sample: <br />Date and time of sample(s): <br />Date and time of test start: <br />Dilution water: <br />CO-0032115 <br />Effluerrt Grab <br />02/28/00 0830 <br />02/29/001215 <br />Reconstituted Laboratory Water <br />• TEST ORGANISMS <br />Ceriodaphnia dnbia <br />Fathead Mmnow <br />Age: <24 hrs <br />Age: 9 days <br />• PROCEDURE <br />Acute, 48 and 96 hour bioassays as outlined in the most recent protocols specified by the <br />Water Quality Control Division of the Cobrado Departmerrt of Heahh (1998). <br />• DISCUSSION <br />Trapper Mining's Craig Mme outfa11011 effluent was not acutely toxic to either species <br />tested. Therefore, Trapper Mtning, Inc. is aurently in compliance with the aarte WET <br />portion of its Colorado State Discharge Permit for the first quarter of 2000. <br />COMMERCIAL TESTING & ENGINEERING CO. <br />-~ Ltd <br />Original Watermarked For Your Protection <br />