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0 <br />NARRATIVE <br />• CLIENT <br />Trapper Mining, Inc. Craig Mine, P.O. Box 187, Craig, CO 81626-0187 <br />• DATE OF REPORT <br />June 1, 2000 <br />• PERMIT AND SAMPLE INrFORMATION <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 />E$lueM Grab <br />OS/2?J00 0830 <br />05/23/001055 <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 Departmera ofHealth (1998). <br />Trapper Mining's Craig Ivftne outfall 001 effiuent was not acutely toxic to either species <br />tested. Therefore, Trapper Mu»ng, Inc. is auTemly in compliance with the acute WET <br />portion of its Colorado State Discharge Permit for the second quarter of 2000. <br />COMMERCIAL TESTING 3 ENGINEERING CO. <br />•B• <br />^Bi^al Watermarked For Vour Protection <br />