Drug Testing: Section One, Two and Three

 Department of Transportation (DOT)
DOT Web sites and other Federal, State, and International government and transportation related sites, including DOT's Office of Drug & Alcohol Policy & Compliance.

 National Institutes of Health (NIH)

 National Institute on Drug Abuse (NIDA)

 Office of National Drug Control Policy (ONDCP)
ONDCP is organized within the Executive Office of the President. ONDCP is authorized to develop and coordinate the policies, goals, and objectives of the Nation's drug control program for reducing the use of illicit drugs.

 Substance Abuse and Mental Health Services Administration (SAMHSA)
SAMHSA's mission is to assure that quality substance abuse and mental health services are available to the people who need them and to ensure that prevention and treatment knowledge is used more effectively in the general health care system.

 SAMHSA's Division of Workplace Programs
SAMHSA's Division of Workplace Programs website covers Federal Drug testing, drug-free workplace programs, list of certified labs, prevention and workplace health.