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REFERENCES <br />EPA-821-R-02-012. 2002. Methods for Measuring the Acute Toxicity of Effluents and <br />Receiving Waters to Freshwater and Marine Organisms (fifth edition). 266 pp. <br />APHA/AWWANVEF. 1998. Standard Methods for the Examination of Water and Wastewater. <br />20th Edition. American Public Health Association. <br />Hach Company. 2002. Hach Water Analysis Handbook. 4th Edition. Hach Company, <br />Loveland, Colorado. 1260 pp. <br />The SeaCrest Group 7 <br />