(a) General. Tolerances are established for residues of the herbicide picloram, 4-amino-3,5,6-trichloropicolinic acid, including its metabolites and degradates, in or on the commodities in the following table from its application in the acid form or in the form of its salts. Compliance with the tolerance levels specified in this paragraph is to be determined by measuring only picloram, 4-amino-3,5,6-trichloropicolinic acid, in or on the commodity.

CommodityParts per million
Barley, grain0.5
Barley, pearled barley3.0
Barley, straw1.0
Cattle, fat0.4
Cattle, meat0.4
Cattle, meat byproducts15
Egg0.05
Goat, fat0.4
Goat, meat0.4
Goat, meat byproducts15
Grain, aspirated fractions4.0
Grass, forage400
Grass, hay225
Hog, fat0.05
Hog, meat0.05
Hog, meat byproducts0.05
Horse, fat0.4
Horse, meat0.4
Horse, meat byproducts15
Milk0.25
Oat, forage1.0
Oat, grain0.5
Oat, groats/rolled oats3.0
Oat, straw1.0
Poultry, fat0.05
Poultry, meat0.05
Poultry, meat byproducts0.05
Sheep, fat0.4
Sheep, meat0.4
Sheep, meat byproducts15
Wheat, bran3.0
Wheat, forage1.0
Wheat, germ3.0
Wheat, grain0.5
Wheat, middlings3.0
Wheat, shorts3.0
Wheat, straw1.0

(b) Section 18 emergency exemptions. [Reserved]

(c) Tolerances with regional registrations. [Reserved]

(d) Indirect or inadvertent residues. [Reserved]

[41 FR 19221, May 11, 1976, as amended at 47 FR 53005, Nov. 24, 1982; 64 FR 425, Jan. 5, 1999; 64 FR 39082, July 21, 1999; 72 FR 41930, Aug. 1, 2007; 75 FR 60243, Sept. 29, 2010]