1. Process Safety Laboratory, Pfizer Inc., Groton, Connecticut 06340, United States.
2. Process
Safety, SciMed/Fauske, Shirley House, Cheadle, Cheshire SK8 1PY, U.K.
3. Hovione, East Windsor, New Jersey 08520, United States.
4. Ash Stevens Inc., Riverview, Michigan 48193, United States.