1. American Public Health Association, American Water Works Association and Water Pollution Control Federation: Standard methods for the examination of water and wastewater. 14th ed., Washington, DC (1975).
2. Becker, C. D., and T. O. Thatcher: Arsenates and arsenites. pp. C1-C11. In Toxicity of power plant chemicals to aquatic life. U.S. Atomic Energy Commission WASH 1249. Richland, WA, Batelle Memorial Institute, Pacific Northwest Laboratories (1973).
3. Benoit, D. A., E. N. Leonard, G. M. Christensen, and J. T. Fiandt: Toxic effects of cadmium on three generations of brook trout (Salvelinus fontinalis). Trans. Am. Fish. Soc.105, 550 (1976).
4. Biesinger, K. E., and G. M. Christensen: Effects of various metals on survival, growth, reproduction, and metabolism ofDaphnia magna. J. Fish. Res. Board Can.29, 1691 (1972).
5. ACS Symp. Ser. 7;R. S. Braman,1975