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HYDRO23882
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HYDRO23882
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Entry Properties
Last modified
8/24/2016 8:44:11 PM
Creation date
11/20/2007 4:09:31 PM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
C1980007
IBM Index Class Name
Hydrology
Doc Date
8/1/2000
Doc Name
NPDES BIOMONITORING WF of SG 017
Permit Index Doc Type
DMR’s
Media Type
D
Archive
No
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NARRATIVE <br />• CLIENT <br />Mountain Coal Company L.L.C., West Elk Mine, P.O. Box 591, 5174 Highway 133, <br />Somerset, CO 81434 <br />• DATE OF REPORT <br />August 8, 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-0038776 <br />Effluent Grab <br />08/01/00 0945 <br />08/02/00 1150 <br />Reconstituted Laboratory Water <br />• TEST ORGANISMS <br />Daphnia nulgna <br />Fathead Minnow <br />Age: <24 hrs <br />Age: 6 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 Department of Health (1998). <br />• DISCUSSION <br />West Fork of Sylvester Gulch effluent discharge site 017 was not acutely toxic to either <br />fathead minnows or Daphnia magm survival. Therefore, Mountain Coal Company is <br />currently in compliance with the acute WET portion of its Colorado State Dischazge Permit <br />for the third quarter of 2000. <br />COMMERCIAL TESTING & ENGINEERING CO. <br />F-466 ~~~ <br />Original Watennarketl For Vour Protection : ce ,~~~ <br />
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