(a) General. (1) Tolerances are established for residues of the herbicide aminopyralid, 4-amino-3,6-dichloro-2-pyridinecarboxylic acid, including its metabolites and degradates, in or on the commodities in the table below. Compliance with the tolerance levels specified below is to be determined by measuring only free and conjugated aminopyralid.

CommodityParts per million
Corn, field, forage0.30
Corn, field, grain0.20
Corn, field, stover0.20
Grain, aspirated fractions0.2
Grass, forage25
Grass, hay50
Wheat, bran0.1
Wheat, forage2.0
Wheat, grain0.04
Wheat, hay4.0
Wheat, straw0.25

(2) Tolerances are established for residues of the herbicide aminopyralid, 4-amino-3,6-dichloro-2-pyridinecarboxylic acid, including its metabolites and degradates, in or on the commodities in the table below. Compliance with the tolerance levels specified below is to be determined by measuring only aminopyralid.

CommodityParts per million
Cattle, fat0.02
Cattle, kidney0.3
Cattle, meat0.02
Cattle, meat byproducts, except kidney0.02
Goat, fat0.02
Goat, kidney0.3
Goat, meat0.02
Goat, meat byproducts, except kidney0.02
Horse, fat0.02
Horse, kidney0.3
Horse, meat0.02
Horse, meat byproducts, except kidney0.02
Milk0.03
Sheep, fat0.02
Sheep, kidney0.3
Sheep, meat0.02
Sheep, meat byproducts, except kidney0.02

(b) Section 18 emergency exemptions. [Reserved]

(c) Tolerances with regional registrations. [Reserved]

(d) Indirect or inadvertent residues. [Reserved]

[70 FR 46428, Aug. 10, 2005, as amended at 75 FR 17584, Apr. 7, 2010]