According to Code of Federal Regulations (33 CFR 151), who is responsible for insuring that a ship is not operated unless a waste management plan is utilized?

Correct Answer: Option B — Vessel's master

33 CFR 151.57 places the ultimate responsibility on the Master to ensure that the vessel's Waste Management Plan is effectively implemented. The Master must oversee the crew's compliance with these procedures, ensuring that all garbage handling, storage, and disposal activities align with international and domestic pollution prevention regulations.