USCG Exam Practice · Drug testing — pre-employment, random, post-incident
Under 46 CFR Part 16, which of the following substances is NOT among those for which every collected specimen must be tested?
- ACocaine
- BBarbiturates✓ correct
- CPhencyclidine (PCP)
- DAmphetamines
Why B is correct
46 CFR §16.113(b) lists exactly five substances: marijuana, cocaine, opiates, phencyclidine (PCP), and amphetamines. Barbiturates are not included in the mandatory panel.
Cited:46 CFR §16.113
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