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No statistically significant differences were seen <br /> between control and exposed organisms in the present set of <br /> tests. As a result , the discharge passes the guidelines for <br /> whole effluent toxicity testing . <br /> REFERENCES <br /> APHA/AWWA/WPCF . 1985. Standard methods for the examination <br /> of water and wastewater . 16th Edition. American Public <br /> Health Association. 1268 pp . <br /> Hach Chemical Company. 1978. DR-EL/2,3 and 4 methods <br /> manual . Hach Chemical Company, Loveland , Colorado . <br /> Peltier , W.H. and C. I . Weber . 1985. Methods for measuring <br /> the acute toxicity of effluents to freshwater and marine <br /> organisms (Third Edition) . EPA 600/4-78/012. 216 pp . <br />