USGS Columbia Environmental Research Center: Chris Henke, IT Branch Chief (Supervisory Info Tech Specialist)

Dwyer, F.J., Hardesty, D.K., Henke, C.E., Ingersoll, C.G., Whites, D.W., Augspurger, T., Canfield, T.J., Mount, D.R. and Mayer, F.L., 2005, Assessing contaminant sensitivity of endangered and threatened aquatic species. Part III. Effluent toxicity tests, Archives of Environmental Contamination and Toxicology 48(2): 174-183, (91371)

Dwyer, F.J., Mayer, F.L., Jr., Sappington, L.C., Buckler, D.R., Bridges, C.M., Greer, I.E., Hardesty, D.K., Henke, C.E., Ingersoll, C.G., Kunz, J.L., Whites, D.W., Augspurger, T., Mount, D.R., Hattala, K., and Neuderfer, G., 2005, Assessing contaminant sensitivity of endangered and threatened aquatic species: 1. Acute toxicity of five chemicals, Archives of Environmental Contamination and Toxicology 48(2): 143-154, (91369)

Dwyer, F.J., Hardesty, D.K., Henke, C.E., Ingersoll, C.G., Whites, D.W., Mount, D.R., and Bridges, C.M., 1999, Assessing contaminant sensitivity of endangered and threatened species: Effluent toxicity tests, U.S. Environmental Protection Agency, Office of Research and Development, EPA-600-R-99-099, 9 p., (91073)

Dwyer, F.J., Hardesty, D.K., Henke, C.E., Ingersoll, C.G., Whites, D.W., Mount, D.R., and Bridges, C.M., 1999, Assessing contaminant sensitivity of endangered and threatened species: Toxicant classes, U.S. Environmental Protection Agency, Office of Research and Development, EPA-600-R-99-098, 26 p., (91072)