StacksVerified U.S. regulatory reference

27 CFR §21.108

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
  1. (a)Odor. Characteristic odor.
  2. (b)Specific gravity at 15.56 °/15.56 °C. Not more than 0.728.