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NARRATIVE <br />cziElvT <br />Trapper Mming, Inc. Craig Miner P.O. Box 187, Craig, CO 8 1 626-0 1 8 7 <br />• DATE OF REPORT <br />October 2, 2000 <br />• PERMTT 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 />CO-0032115 <br />Effluent Grab <br />o9nsioo oszo <br />o9n6~oo 1200 <br />Reconstituted Laboratory Water <br />• TEST ORGANISMS <br />Ceriodaphnia dubia <br />Fathead Minnow <br />Age: <24 hrs <br />Age: 11 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 Colorado Departmerg of Heahh (1998). <br />DISCUSSION <br />Trapper Muung's Craig Mine outfall 011 effluent was not acutely toxic to either species <br />tested. Therefore, Trapper Mrning, Inc. is aurelnly in compliance wiW the awte WET <br />portion of its Colorado State Discharge Permit for the third quarter of 2000. <br />COMMERCIAL TESTING & ENGINEEgING CO, <br />1 F,~ Lt~ <br />Orrglna/ Watermarked For Your Protection <br />