OUPV & 100-Ton Master · Drug and Alcohol
Following a serious marine incident, the marine employer must ensure alcohol testing of involved crew is conducted, when practicable, within:
- A2 hours✓ Correct
- B8 hours
- C32 hours
- D72 hours
Explanation
Alcohol testing after a serious marine incident must be conducted within 2 hours of the incident when practicable; if not completed, the marine employer must cease attempts after 8 hours and document why. Drug testing (urine) must be collected within 32 hours. These post-casualty windows are a frequent exam point.
Authority: 46 CFR Part 4; 46 CFR Part 16
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