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Mountain Coal Company CO-0038776 SeaCrest Number: 303130 <br />DfSCUSSION <br />The 017 discharge site passed the whose effluent toxicity test guidelines for both test <br />species. No LC50 was created in either test although there were survival effects that should <br />be noted. <br />REFERENCES <br />Weber, C.I. et. al. 1993. Methods for Measuring the Acute Toxicity of Effluents and Receiving <br />Waters to Freshwater and Marine Organisms (fourth edition). Environmental Protection Agency <br />Report No. EPA/600/4-90/027F. 293 pp. <br />APHA/AWWANVEF. 1998. Standard Methods for the Examination of Water and Wastewater. <br />20th Edition. American Public Health Association. <br />Hach Company. 1997. Hach Water Analysis Handbook. 3rd Edition. Hach Company, Loveland, <br />Colorado. 1309 pp. <br />The SeaCrest Group 4 <br />