§180.662 Trinexapac-ethyl; tolerances for residues.

(a) General. Tolerances are established for residues of the plant growth regulator, trinexapac-ethyl, including its metabolites and degradates, in or on the commodities in table 1 to this paragraph (a). Compliance with the tolerance levels specified in table 1 is to be determined by measuring only the free and conjugated forms of both trinexapac-ethyl, ethyl 4-(cyclopropylhydroxymethylene)-3,5-dioxocyclohexanecarboxylate and trinexapac, 4-(cyclopropylhydroxymethylene)-3,5-dioxocyclohexanecarboxylic acid, calculated as the stoichiometric equivalent of trinexapac-ethyl, in or on the commodity.

Table 1 to Paragraph (a)
Commodity	Parts per million
¹ There are no U.S. registrations for Poppy, seed as of March 15, 2018.
Barley, bran	2.5
Barley, grain	2.0
Barley, hay	0.8
Barley, straw	0.4
Cattle, fat	0.03
Cattle, meat	0.03
Cattle, meat byproducts	0.1
Egg	0.01
Goat, fat	0.03
Goat, meat	0.03
Goat, meat byproducts	0.1
Grass, forage	1.5
Grass, hay	4.0
Grass, seed screenings	40.0
Grass, straw	10.0
Hog, fat	0.02
Hog, meat	0.02
Hog, meat by-products	0.1
Horse, fat	0.02
Horse, meat	0.03
Horse, meat byproducts	0.04
Milk	0.01
Oat, forage	1.0
Oat, grain	4.0
Oat, hay	1.5
Oat, straw	0.9
Poppy, seed¹	8
Poultry, fat	0.01
Poultry, meat	0.01
Poultry, meat byproducts	0.1
Rice, bran	1.5
Rice, grain	0.4
Rice, straw	0.07
Rice, wild, grain	0.4
Rye, bran	6.0
Rye, grain	4.0
Rye, hay	1.5
Rye, straw	0.9
Sheep, fat	0.03
Sheep, meat	0.03
Sheep, meat byproducts	0.1
Sugarcane, cane	1.5
Sugarcane, molasses	5
Wheat, bran	6.0
Wheat, forage	1.0
Wheat, grain	4.0
Wheat, hay	1.5
Wheat, middlings	10.5
Wheat, straw	0.9

(b) Section 18 emergency exemptions. [Reserved]

(c) Tolerances with regional registrations. Tolerances with regional registrations, as defined in § 180.1, are established for residues of trinexapac-ethyl, including its metabolites and degradates, in or on the commodities in table 2 to this paragraph (c). Compliance with the tolerance levels specified in table 2 is to be determined by measuring only the free and conjugated forms of both trinexapac-ethyl, ethyl 4-(cyclopropylhydroxymethylene)-3,5-dioxocyclohexanecarboxylate and trinexapac, 4-(cyclopropylhydroxymethylene)-3,5-dioxocyclohexanecarboxylic acid, calculated as the stoichiometric equivalent of trinexapac-ethyl, in or on the commodity.

Table 2 to Paragraph (c)
Commodity	Parts per million
Clover, forage	8
Clover, hay	15

(d) Indirect or inadvertent residues. [Reserved]

[77 FR 12745, Mar. 2, 2012, as amended at 77 FR 60919, Oct. 3, 2012; 80 FR 28848, May 20, 2015; 83 FR 11422, Mar. 15, 2018; 85 FR 70064, Nov. 4, 2020; 88 FR 18434, Mar. 29, 2023]

['Pesticides']

['Federal Insecticide, Fungicide and Rodenticide Act', 'Pesticide Registration and Labeling', 'Pesticides']

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