33 CFR § 155.320 - Fuel oil and bulk lubricating oil discharge containment.
---
identifier: "/us/cfr/t33/s155.320"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "33 CFR § 155.320 - Fuel oil and bulk lubricating oil discharge containment."
title_number: 33
title_name: "Navigation and Navigable Waters"
section_number: "155.320"
section_name: "Fuel oil and bulk lubricating oil discharge containment."
chapter_name: "COAST GUARD, DEPARTMENT OF HOMELAND SECURITY"
subchapter_number: "O"
subchapter_name: "POLLUTION"
part_number: "155"
part_name: "OIL OR HAZARDOUS MATERIAL POLLUTION PREVENTION REGULATIONS FOR VESSELS"
positive_law: false
currency: "2026-03-24"
last_updated: "2026-03-24"
format_version: "1.1.0"
generator: "[email protected]"
authority: "3 U.S.C. 301 through 303; 33 U.S.C. 1321(j), 1903(b), 2735; 46 U.S.C. 70011; 70034; E.O. 12777, 56 FR 54757, 3 CFR, 1991 Comp., p. 351; DHS Delegation No. 00170.1, Revision No. 01.4. Section 155.1020 also issued under section 316 of Pub. L. 114-120. Section 155.480 also issued under section 4110(b) of Pub. L. 101-380."
cfr_part: "155"
---
# 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
(2) For a ship of 1600 or more gross tons has a capacity of one barrel.
(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:
(1) Meet paragraph (a)(1) of this section; or
(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.
(c) This section does not apply to a fixed or floating drilling rig or other platform.