You are preparing to load fuel oil on a vessel of 150 gross tons constructed after June 30, 1974. Before loading, you must check that the fuel oil tank vents __________.

Correct Answer: Option C — have portable containment capacity for at least 5 gallons

Title 33 CFR 155.330 requires fuel oil tank vents, fill pipes, and overflows on vessels constructed after June 30, 1974, to be fitted with or have immediate access to portable containment with a capacity of at least 5 gallons.