Kawatski, J. A., Ledvina, M. M., and Hansen, C. R. Jr., 1975, Acute toxicities of 3-trifluoromethyl-4-nitrophenol (TFM) and 2',5-dichloro-4'-nitrosalicylanilide (Bayer 73) to larvae of the midge Chironomus tentans: La Crosse, Wisconsin, U.S. Fish and Wildlife Service Investigations in Fish Control 57, 7 p. Abstract Keywords