As used in this part, the italicized terms have the meanings indicated in this section.

Approved means approved by the Commandant, U.S. Coast Guard, unless otherwise stated.

Bulk means a quantity of a commodity carried as a liquid cargo or liquid-cargo residue, without mark or count, in an integral, fixed, or portable tank. It does not include liquid cargo packaged in a portable tank that is loaded and discharged from a vessel with the contents intact.

Cargo means a combustible liquid or flammable liquid transported in commerce by a commercial fish processing vessel for delivery to a recipient inside or outside the fishing industry. It does not include combustible liquids or flammable liquids carried in a tank for use only by machinery and boats carried aboard the processing vessel, or for use only by vessels that are directly supporting the processing vessel's primary operations.

Certificate of compliance means the document issued and displayed in accordance with § 105.10.

Combustible liquid means any liquid having a flashpoint above 80 °F (as determined from an open cup tester, as used for testing of burning oils). A Grade D combustible liquid is one having a flashpoint above 80 °F and below 150 °F. A Grade E combustible liquid is one having a flashpoint of 150 °F or above.

Commercial fish processing vessel means a self-propelled manned vessel that commercially prepares fish or fish products other than by gutting, decapitating, gilling, skinning, shucking, icing, freezing, or brine chilling.

Dispensing means the unloading of any quantity of flammable or combustible liquids in bulk.

Dispensing tank means any tank from which a quantity of a flammable or combustible liquid is filled or emptied onboard the vessel by means of pumping, gravitation, or displacement.

Examination means a careful and critical assessment of the vessel and its appurtenances carried out by an authorized examiner or an organization designated by the Commandant, U.S. Coast Guard. This includes, where necessary, a visual assessment of the vessel's hull, structures, electrical systems, and machinery, supplemented by other means such as measurement and/or nondestructive testing.

Flammable liquid means any liquid that gives off flammable vapors (as determined by flashpoint from an open cup tester, as used for testing of burning oils) at or below 80 °F. Flammable liquids are referred to by grades as follows:

(1) Grade A. Any flammable liquid having a Reid vapor pressure of 14 pounds or more, as measured in accordance with ASTM D 323 (incorporated by reference, see § 105.3).

(2) Grade B. Any flammable liquid having a Reid vapor pressure of less than 14 pounds and more than 8 1/2 pounds, as measured in accordance with ASTM D 323.

(3) Grade C. Any flammable liquid having a Reid vapor pressure of 8 1/2 pounds or less and a flashpoint of 80 °F or below, as measured in accordance with ASTM D 323.

Fuel tank means a tank other than a dispensing tank used to transport flammable or combustible liquid for the purpose of supplying fuel for propulsion of the vessel to which it is attached.

Limited quantities means not more than 20 percent of a vessel's deadweight tonnage as applied to bulk liquid cargoes or carried in permanent or temporary tanks.

New vessel means a vessel whose construction is contracted for on or after May 31, 1976.

Pressure vacuum relief valve means any device or assembly of a mechanical, liquid, weight, or other type used for the automatic regulation of pressure or vacuum in enclosed places.