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-a , <br />s <br />REFERENCES <br />American Public Health Association. 1992. StondardMethodsfor the Examination of Water <br />and Wastewater, 18'~ edition. American Public Health Association, Washington, DC. <br />Colorado Department of Health. 1998. Guidelines for Conducting Whole E.(Jluenf Toxicity <br />Tests. Water Quality Control Division, 4300 Cherry Creek Drive South, Denver, <br />Colorado 8 0246-1 53 0. <br />_ United States Environmental Protection Agency. 1993. Methods for Measuring the Acute <br />Toxicity ojE„~Jluents to Freshwater and Marine Organisms. EPA/600/4-90/027F. <br />`'1 Environmental Monitoring and Support Laboratory, Cincinnati, Ohio 45268. <br />United States Environmental Protection Agency. 1993 revised. Region VIII NPDES Who% <br />E„(/luent Toxics Control Program. USEPA Region VIII Water Management Division, <br />999 18's Street, Denver, Colorado 80202-2405. <br />Western Ecosystems Technology, Inc. and David B. Gulley. October 1996. Toxstat 3.5. 1402 <br />South Greeley Highway, Cheyenne, Wyoming 82007. <br />5 <br />COMMERCIAL TESTING $ ENGINEERING CO. <br />~F,~ LTA <br />Original WalennerkeE FOr Yaur Protection ..c. e. <br />