40 CFR 180.284: Zinc phosphide; tolerances for residues.

(a) General. Tolerances are established for residues of the phosphine resulting from the use of the rodenticide zinc phosphide in or on the raw agricultural commodities as follows:

Commodity Parts per million

Alfalfa, forage 0.2

Alfalfa, hay 0.2

Barley, grain 0.05

Barley, hay 0.2

Barley, straw 0.2

Bean, dry, seed 0.05

Beet, sugar, roots 0.05

Beet, sugar, tops 0.2

Grape 0.01

Grass, rangeland, forage 0.1

Grass, rangeland, hay 0.1

Potato 0.05

Sugarcane, cane 0.01

Timothy, hay 0.5

Timothy, forage 0.5

Wheat, forage 0.05

Wheat, grain 0.05

Wheat, hay 0.05

Wheat, straw 0.05

(b) Section 18 emergency exemptions. [Reserved]

(c) Tolerances with regional registrations. Tolerances with regional registration, as defined in § 180.1(l), are established for residues of phosphine resulting from the use of the rodenticide zinc phosphide in or on the following raw agricultural commodities as follows:

Commodity Parts per million

Artichoke, globe 0.01

Beet, sugar, roots 0.04

Beet, sugar, tops 0.02

(d) Indirect or inadvertent residues. [Reserved]