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,~ <br />1 <br /> NARRATIVE <br /> • CLIENT <br />.3 <br />~ <br />hountain Coal Company L.L.C., West Elk Mine, P O. Box 591, ~ 174 Highway 133, <br /> Somerset, CO 81434 <br /> • DATE OF REPORT <br /> April 10, 200] <br />c; PERMIT AND 5AAIPLE INFORI4LATION <br /> NPDES permit is CO-0038776 <br /> Type of sample: Effluent Grab <br /> Date and time of sample(s): 04/05/01 0830 <br /> Date and time of test start: 04/06/0 l 1200 <br /> Dilution water: Reconstituted Laboratory Water <br />~ TEST ORGANISD•IS <br />' Daphnia ma~,~nur .Age: <24 hrs <br />Fathead 1~4innow Age: 9 days <br />,1 <br />• PROCEDURE <br />Acute, 43 and 96 hour bioassays as outlined in the most recent protocols specified by the <br />Water Quality Control Division of the Colorado Department of Health (1998). <br />• DISCUSSION <br />West Fork of Sylvester Gulch effluent discharge site 017 was not acute!} tonic to either <br />_i fathead minnows or Daphnia mogr,a survival. Therefore, Mountain Coal Company is <br />currently in compliance with the acute WET portion of its Colorado State Discharge Permit <br />for the second quarter of 2001. <br /> <br />_i <br />F~age <br />- Orlgtrul WutermarMetl For Yaur Proroction <br />COMMERCIAL TESTING 8 ENGINEERING CO. <br />LTA <br />v+cr .a <br />