40 CFR 180.331: 4-(2,4-Dichlorophenoxy) butyric acid; tolerances for residues.

(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:

Commodity Parts per million

Alfalfa, forage 0.7

Alfalfa, hay 2.0

Cattle, meat byproducts 0.05

Clover, forage 0.2

Clover, hay 0.2

Goat, meat byproducts 0.05

Hog, meat byproducts 0.05

Horse, meat byproducts 0.05

Peanut 0.2

Peppermint, tops 0.2

Sheep, meat byproducts 0.05

Soybean, forage 0.7

Soybean, hay 2.0

Soybean, seed 0.5

Spearmint, tops 0.2

Trefoil, forage 0.7

Trefoil, hay 2.0

(b) Section 18 emergency exemptions. [Reserved]

(c) Tolerances with regional registrations. [Reserved]

(d) Indirect or inadvertent residues. [Reserved]