When a tank vessel with a capacity of 250 barrels is transferring oil to a facility, U.S. regulations require an emergency means to stopping the flow of oil. Where must these emergency means be operable from?

Correct Answer: Option C — the usual operating station of the person in charge of the oil transfer

Title 33 CFR 155.785 mandates that oil transfer operations require an emergency shut-down (ESD) system operable from the usual operating station of the Person in Charge (PIC), ensuring immediate response capability to halt product flow during abnormal conditions.