When a marine employer requires reasonable cause drug testing of a crewmember, on what must the decision to test be based?

1. A. A report from another crewmember alleging drug use at any prior time
2. ✓ A reasonable and articulable belief based on direct observation of specific, contemporaneous physical, behavioral, or performance indicators of probable useCorrect
3. C. A positive result from a preliminary breath test administered by the master
4. D. Suspicion formed during a routine inspection of the crewmember's quarters