155.320—Fuel oil and bulk lubricating oil discharge containment.
(a)
A ship of 300 gross tons or more constructed after June 30, 1974 must have a fixed container or enclosed deck area under or around each fuel oil or bulk lubricating oil tank vent, overflow, and fill pipe, that:
(1)
For a ship of 300 or more but less than 1600 gross tons has a capacity of at least one-half barrel; and
(b)
A ship of 100 gross tons or more constructed before July 1, 1974, and a ship of 100 or more but less than 300 gross tons constructed after June 30, 1974 must:
(2)
Equip each fuel oil or bulk lubricating oil tank vent, overflow, and fill pipe during oil transfer operations with a portable container of at least a 5 U.S. gallon capacity; or
(3)
If the ship has a fill fitting for which containment is impractical, use an automatic back pressure shut-off nozzle.