StacksVerified U.S. regulatory reference

40 CFR §180.331

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
  1. (a)General. Tolerances are established for residues of the herbicide 4-(2,4-dichlorophenoxy) butyric acid (2,4-DB), both free and conjugated, determined as the acid, in or on food commodities, as follows:
  2. (b)Section 18 emergency exemptions. [Reserved]
  3. (c)Tolerances with regional registrations. [Reserved]
  4. (d)Indirect or inadvertent residues. [Reserved]