GEORGE RUSCH is the director of the Department of Toxicology and Risk Assessment for Honeywell Corporation (AlliedSignal Inc.). He is also adjunct professor in the Department of Pharmacology and Toxicology at Rutgers University and chair of the National Advisory Committee for Acute Exposure Guideline Development. Dr. Rusch’s research interests in inhalation toxicology include the chemical causes of lung cancer, the toxicity of fluorinated substitutes for chlorofluorocarbons, cardiac sensitization, and risk assessment. He previously served on the National Research Council Committee on Toxicology. Dr. Rusch is certified in general toxicology by the American Board of Toxicology and is a fellow of the Academy of Toxicological Sciences. He received his PhD in organic chemistry from Adelphi University.