1. Division of Microbiology, Food and Drug Administration, Cincinnati, Ohio 45226
2. Division of Microbiology, Food and Drug Administration, Washington, D.C. 20204
3. Minneapolis Center for Microbiological Investigations, Minneapolis, Minnesota 55401
4. Food and Drug Administration District Office, Atlanta, Georgia 30309
5. Food and Drug Administration District Office, Dallas, Texas 75204
6. Food and Drug Administration District Office, Cincinnati, Ohio 45202
7. Food and Drug Administration District Office, Baltimore, Maryland 21201