40 CFR 180.500: Imazapyr; tolerances for residues.

(a) General. Tolerances are established for residues of the herbicide, imazapyr, including its metabolites and degradates, in or on the commodities in the following table. Compliance with the tolerance levels specified in the following table is to be determined by measuring only the residues of imazapyr [2-[4,5-dihydro-4-methyl-4-(1-methylethyl)-5-oxo-1H-imidazol-2-yl]-3-pyridinecarboxylic acid].

Table 1 to Paragraph (a)

Commodity Parts per million

Cattle, fat 0.05

Cattle, kidney 0.3

Cattle, meat 0.05

Cattle, meat byproducts, except kidney 0.05

Corn, field, forage 0.05

Corn, field, grain 0.05

Corn, field, stover 0.05

Fish 1.0

Goat, fat 0.05

Goat, kidney 0.3

Goat, meat 0.05

Goats, meat byproducts, except kidney 0.05

Grass, forage 100

Grass, hay 30

Horse, fat 0.05

Horse, kidney 0.3

Horse, meat 0.05

Horse, meat byproducts, except kidney 0.05

Lentil 1 0.2

Milk 0.01

Rapeseed subgroup 20A 1 0.05

Rice, bran 1 0.15

Rice, grain 1 0.06

Sheep, fat 0.05

Sheep, kidney 0.3

Sheep, meat 0.05

Sheep, meat byproducts, except kidney 0.05

Shellfish 0.10

Soybean, meal 1 4.5

Soybean, seed 1 4.0

Sunflower subgroup 20B 1 0.05

1 There are no U.S. registrations as of August 24, 2023.

(b) Section 18 emergency exemptions. [Reserved]

(c) Tolerances with regional registrations. [Reserved]

(d) Indirect or inadvertent residues. [Reserved]