40 CFR § 180.698 - Chlormequat chloride; tolerances for residues.

(a) General. Tolerances are established for the residues of the plant regulator chlormequat chloride, including its metabolites and degradates in or on food commodities in the table below. Compliance with the tolerance levels specified below is to be determined by measuring only chlormequat chloride [(2-chloroethyl) trimethylammonium chloride in or on the following commodities:

Table 1 to Paragraph (a)

Commodity	Parts per million
Barley, bran	20
Barley, grain	8
Barley, hay	150
Barley, straw	60
Cattle, meat byproducts	1
Cattle, meat	0.2
Egg	0.1
Goat, meat byproducts	1
Goat, meat	0.2
Hog, meat byproducts 1	0.5
Hog, meat 1	0.2
Horse, meat byproducts	1
Horse, meat	0.2
Milk	0.5
Oat, grain	40
Oat, forage	15
Oat, hay	150
Oat, straw	50
Poultry, meat byproducts	0.1
Poultry, meat	0.05
Sheep, meat byproducts	1
Sheep, meat	0.2
Wheat, bran	15
Wheat, germ	20
Wheat, grain	5
Wheat, forage	30
Wheat, hay	150
Wheat, straw	70

1 This tolerance expires December 30, 2026.

(b) Section 18 emergency exemptions. [Reserved]

(c) Tolerances with regional registrations. [Reserved]

(d) Indirect or inadvertent residues. [Reserved]

[83 FR 17929, Apr. 25, 2018, as amended at 85 FR 31386, May 26, 2020, as amended at 91 FR 39493, June 30, 2026]