46 CFR 30.10-22: -22 Flammable liquid—TB/ALL.
Where this section sits in the code
- Title 46—Shipping
- CHAPTER I—COAST GUARD, DEPARTMENT OF HOMELAND SECURITY
- SUBCHAPTER D—TANK VESSELS
- PART 30—GENERAL PROVISIONS
- Subpart 30.10—Definitions
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:
(a) Grade A. Any flammable liquid having a Reid 1 vapor pressure of 14 pounds or more.
(b) Grade B. Any flammable liquid having a Reid 1 vapor pressure under 14 pounds and over 8 1/2 pounds.
(c) Grade C. Any flammable liquid having a Reid 1 vapor pressure of 8 1/2 pounds or less and a flashpoint of 80 °F. or below.
Collected 2026-08-27T02:26:22Z. Source file · JSON