USCG – United States Coast Guard

Regulation 46 CFR Part 16, Subpart B, requires chemical testing of personnel following procedures for the Department of Transportation Drug and alcohol testing procedures outlined in 49 CFR Part 40.

  • An individual who fails a chemical test for dangerous drugs is presumed to be a user of dangerous drugs.
  • The employer, prospective employer, or sponsoring organization must report test results in writing to the nearest Coast Guard Officer in charge of Marine Inspection if the credentialed individual fails a chemical test.
  • A person who is not credentialed and fails a chemical test for dangerous drugs shall be denied employment as a crewmember
  • A person who has failed a chemical test for dangerous drugs cannot be rehired aboard a vessel until the requirements of 46 CFR Part 5 have been satisfied, if applicable.
  • A person who has failed a chemical test for dangerous drugs cannot return to work aboard a vessel until cleared by a Medical Review Officer.

USCG Employee Category Tested

  • A person who is on board a vessel acting under the authority of a license, certificate of registry, or merchant mariner’s document. Also, a person engaged or employed on board a U.S. owned vessel, and such ships are required to participate or be operated by a person holding a license, certificate of registry, or merchant mariner’s document.

USCG Substances test for

  • Marijuana
  • Cocaine
  • Opiates (expanded)
  • Phencyclidine
  • Amphetamines

USCG Types of required testing

  • Pre-employment drug testing
  • Random drug testing
  • Post-accident drug testing
  • Reasonable cause drug testing
  • Follow-up drug testing