[1] Amer Inst Chem Engineers AIChe, CCPS, New York, NY 10016 USA
[2] Rohm & Haas Co, Proc Res & Dev Plant Design & Startup, Philadelphia, PA USA
[3] Proc Hazard Anal Incident Invest & Proc Risk Asse, Dev & Implementat Proc Safety Management Syst, Philadelphia, PA USA
[4] Chilworth Technol Inc, Chilworth, England
[5] Div Chem Hlth & Safety, Washington, DC USA