1. Johns Hopkins School of Hygiene and Public Health 615 North Wolfe Street Baltimore, Maryland, 21205
2. HazIeton Laboratories, Vienna, VA.
3. Avon Products, Inc., Suffem, NY.
4. Bristol-Myers Squibb Company, Syracuse, NY.
5. Cosmetic, Toiletry and Fragrance Association, Washington, D.C.
6. United States Environmental Protection Agency, Washington, D.C.
7. United States Food and Drug Administration, Washington, D.C.
8. Microbiological Associates, Rockville, MD.