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NARRATIVE <br />• CLiF:NT <br />Trapper Mining, Inc. Craig Mine, P.O. Box 187, Craig, CO 81626-0187 <br />• DATE OF REPORT <br />October 2, 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 />EffluerK Grab <br />09!25/00 0800 <br />o9n6ioo 1140 <br />Reconstituted Laboratory water <br />• TEST ORGANISMS <br />Ceriadaphnia dubia <br />Fathead Minnow <br />Age: <24 hts <br />Age: 11 days <br />• PROCEDURE <br />Acute, 48 and 96 hour bioassays as outlined in the moat recent protocols specified by the <br />Water Quality Control Division ofthe Colorado Department ofIiealth (1998). <br />• DISCUSSION <br />Trapper Mining's Craig Mine outfall 001 effluent was not aartely toxic to either species <br />tested. Therefore, Trapper Mining, Inc. is a,rr~tty in compliance with the acute WET <br />portion of its Colorado State Discharge Permit for the third quarter of 2000. <br />COMMERCIAL TE8TING & ENGINEERING CO. <br />-188 <br />~ri9inal Watermarked For Vour Protection <br />