46 C.F.R. § 105.10-15 Flammable liquid.
Title 46 - Shipping
(a) The term flammable liquid means any liquid which gives off flammable vapors (as determined by flashpoint from an open cup tester, as used for test of burning oils) at or below a temperature of 80 °F. Flammable liquids are referred to by grades as follows: (1) Grade A. Any flammable liquid having a Reid1 1 American Society of Testing Materials Standard D 323 (incorporated by reference, see §105.01–3) (most recent revision), Method of Test for Vapor Pressure of Petroleum Products (Reid Method). (2) Grade B. Any flammable liquid having a Reid1 vapor pressure under 14 pounds and over 8 (3) Grade C. Any flammable liquid having a Reid1 vapor pressure of 8 [CGFR 69–53, 34 FR 11265, July 4, 1969, as amended by CGD 73–96, 42 FR 49025, Sept. 26, 1977; USCG–2000–7790, 65 FR 58461, Sept. 29, 2000]
Title 46: Shipping
PART 105—COMMERCIAL FISHING VESSELS DISPENSING PETROLEUM PRODUCTS
Subpart 105.10—Definition of Terms Used in This Part
§ 105.10-15 Flammable liquid.