O'Brien, R.D. 1967. Insecticides - action and metabolism. Academic Press, 

 New York. 332 p. 



Ogner, G. and M. Schnitzer. 1970. Humic substances: Fulvic acid - dialkyl 

 phthalate complexes and their role in pollution. Science. 170: 317- 

 318. 



Pope, B.E., M.F. Para, and M.J. Zabik. 1970. Photodecomposition of 2-(l,3- 

 dioxolane-2-yl )-phenyl-N-methyl caramate. J. Agr. Food Chem. 18: 490- 

 493. 



Pope, B.E. and M.J. Zabik. 1970. Photochemistry of bioactive compounds. 

 Photochemistry of selected 2-chloro and 2-methylthio-4,6-di (alkyla- 

 mino)-s-triazine herbicides. J. Agr. Food Chem. 



Pavlou, S.P., R.N. Dexter, F.L. Mayer, C. Fischer and R. Haque. 1977. 

 Chemical -ecoystem interface. ^1 Ecosystem Processes and Organic Con- 

 taminants: Research Needs and an Interdisciplinary Perspective, J.M. 

 Neuhold and L.F. Ruggerio, Eds., Nat. Sci. Found. U.S. Govt. Printing 

 Office, Wash., D.C. 



Ruzo, L.O., M.J. Zabik, and R.D. Schuetz. 1972. Polychlorinated biphenyls: 

 photolysis of 3,4,3' ,4'-tetrachlorobiphenyl and 4,4'-dichlorobiphenyl in 

 solution. Bull. Environ. Contam. Toxicol. 8: 217-218. 



Sprague, J.B. 1964. Avoidance of copper-zinc solutions by young salmon in 

 the laboratory. J. Water Pollut. Control Fed. 36: 990-1004. 



Stern, A.M. and C.R. Walker. 1978. Hazard assessment of toxic substances: 

 Environmental fate testing of organic chemicals and ecological effects 

 testing. In Estimating the Hazard of Chemical Substances to Aquatic 

 Life, ASTM STP 657, J. Cairns, K.L. Dickson and A.W. Maki, Eds., Am. 

 Soc. Testing and Materials, pp. 81-131. 



Sugawara, N. 1974. Toxic effect of a normal series of phthalate esters on 

 the hatching of shrimp eggs. Toxicol. Appl . Pharmacol. 30: 87-89. 



Sullivan, J.F., G.H. Atchison, and A.W. Mcintosh. 1978. Changes in the 

 predator-prey behavior of fathead minnows ( Pimphales promelas ) and 

 largemouth bass ( Micropterus salmoides ) caused by cadmium. J. Fish. 

 Res. Bd. Canada 35: 446-451. 



Tagatz, M.E. 1976. Effect of Mirex of predator-prey interaction in an 

 experimental estuarine ecosystem. Trans. Am. Fish. Soc. 1976: 546- 

 549. 



Train, R.E. 1972. The quest for environmental indices. Science. 178: 

 1009. 



U.S. Environmental Protection Agency. 1977. Rapid methods research high- 

 lights. Environmental Research Laboratory, Duluth, Minn. 8 p. 



58 



