StacksVerified U.S. regulatory reference

46 CFR §30.10-15

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
The term combustible liquid means any liquid having a flashpoint above 80 °F. (as determined from an open-cup tester, as used for test of burning oils). In the regulations of this subchapter, combustible liquids are referred to by grades, as follows:
  1. (a)Grade D. Any combustible liquid having a flashpoint below 150 °F. and above 80 °F.
  2. (b)Grade E. Any combustible liquid having a flashpoint of 150 °F. or above.