40 CFR § 180.673 - Triforine; tolerances for residues.
(a) General. Tolerances are established for residues of triforine, including its metabolites and degradates. Compliance with the tolerance levels specified in the following table is to be determined by measuring only triforine (N,N′-[1,2-piperazinediylbis(2,2,2-trichloroehylidene)]bis[formamide]), in or on the following commodities.
1 There are no U.S. registrations for blueberry and tomato.
(b) Section 18 emergency exemptions. [Reserved]
(c) Tolerances with regional registrations. [Reserved]
(d) Indirect or inadvertent residues. [Reserved]