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<br />NARRATIVE <br />Accelerated Chronic WET Test <br />CLIENT: P & M Edna Mine, 26990 Colo Highway 131, Oak Creek, <br />CO 80467 <br />DATE: November 13, 1995 <br />PERMIT AND BAMPLE INFORMATION <br />NPDES #: CO-0032638 <br />Type of Sample: Effluent Composites 002 <br />Dilution Water: Recon Laboratory Water <br />Date of Samples: October 23, 25 and 27, 1995 <br />Date of Test: October 24, 1995 <br />r TEST ORGANIBMS AND PROCEDURE <br />Organism: Pimephales promelas Age: <24hrs <br />Procedure: Single Species Chronic bioassay as specified <br />by the Water Quality Control Division of the Colorado <br />Department of Health, 1993. <br />RESULTS <br />Effluent from Edna Mine, outfall 002 did not show chronic <br />toxicity to Pimephales promelas survival. <br />Dlscuss=oN <br />Results indicate that the effluent from outfall 002 is <br />not chronically toxic to fathead minnow survival and <br />growth. Therefore, Edna Mine is currently in compliance <br />with the WET portion of the facility's permit to <br />discharge for outfall 002. <br />COMMERCIALTESTING & ENGIN EE RING CO. <br />F-466 Lt~ <br />Original Watermarked For Your Protection ..- <br />