1 ENVIRON International Corporation, Arlington, VA.
2 Solutia Inc., St. Louis, MO.
3 National Center for Environmental Assessment, US Environmental Protection Agency, Washington, DC.
4 Center for Environmental and Occupational Health, School of Public Health, MCP Hahnemann University, Philadelphia, PA.
Abbreviations: EPA, US Environmental Protection Agency; NIOSH, US National Institute for Occupational Safety and Health; 2,4,5-T, trichlorophenoxyacetic acid; 2,3,7,8-TCDD, tetrachlorodibenzo-p-dioxin; VA, US Department of Veterans Affairs
NOTES
Correspondence to Dr. Joseph Rodricks, ENVIRON International Corporation, 4350 N. Fairfax Drive, Suite 300, Arlington, VA 22203 (e-mail: jrodricks{at}environcorp.com).
Received for publication March 5, 2001. Accepted for publication September 13, 2001.