StacksVerified U.S. regulatory reference

40 CFR §180.275

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
  1. (a)General.
    1. (1)Tolerances are established for the fungicide chlorothalonil (tetrachloroisophthalonitrile) and its metabolite 4-hydroxy-2,5,6-trichloroisophthalonitrile in or on the following food commodities.
    2. (2)Tolerances are established for the metabolite 4-hydroxy-2,5,6-trichloroisophthalonitrile in or on the following food commodities.
  2. (b)Section 18 emergency exemptions. [Reserved]
  3. (c)Tolerances with regional registrations. Tolerances with regional registration, as defined in § 180.1(l), are established for the combined residues of chlorothalonil and its metabolite in or on the following raw agricultural commodities:
  4. (d)Indirect or inadvertent residues. [Reserved]