1. Mandatory Guidelines for Federal Workplace Testing, Department of Health and Human Services;Fed. Regist.,1988
2. Procedures for Transportation Workplace Drug Testing Programs, Department of Transportation, Drug-Free Work Force;Fed. Regist.,1989
3. Department of Defense Federal Acquisition Regulation Supplement, Drug-Free Work Force;Fed. Regist.,1988
4. Current List of Laboratories Which Meet Minimum Standards to Engage in Urine Drug Testing for Federal Agencies;Fed. Regist.,1992
5. Forensic Drug Testing Laboratories Accredited by the College of American Pathologists,1992