sponsored by the American Institute of Biology and the Applied and Aquatic Section of the Ecological Society of America and ASTM Committee E-47 on Biological Effects and Environmental Fate, Grand Forks, ND, 8 Aug. 1983 ; Terence P. Boyle, editor
sponsored by ASTM Committee E-47 on Biological Effects and Environmental Fate, Fort Mitchell, KY, 15-17 April 1984 ; Rita Comotto Bahner and David J. Hansen, editors
sponsored by ASTM Committee E-47 on Biological Effects and Environmental Fate, Philadelphia, PA, 14-16 April 1985 ; Ted M. Poston and Rich Purdy, editors
sponsored by ASTM Committee E-47 on Biological Effects and Environmental Fate, Milwaukee, Wisc., 17-19 April, 1983 ; Rick D. Cardwell, Rich Purdy, and Rita Comotto Bahner, editors