Regulations last checked for updates: Nov 22, 2024

Title 40 - Protection of Environment last revised: Nov 20, 2024
§ 180.463 - Quinclorac; tolerances for residues.

(a)(1) General. Tolerances are established for residues of the herbicide quinclorac, including its metabolites and degradates, in or on the commodities in the table in this paragraph. Compliance with the tolerance levels specified in this paragraph is to be determined by measuring only quinclorac, 3,7-dichloro-8-quinolinecarboxylic acid, in or on the commodity.

Table 1 to Paragraph (a)(1)

Commodity Parts per million
Asparagus0.08
Bushberry, subgroup 13-07B0.08
Caneberry subgroup 13-07A0.08
Barley, grain2.0
Berry, low growing, except strawberry, subgroup 13-07H1.5
Cattle, fat0.7
Cattle, meat byproducts1.5
Cattle, meat0.05
Egg0.05
Goat, fat0.7
Goat, meat byproducts1.5
Goat, meat0.05
Grain, aspirated fractions1200
Grass, forage150
Grass, hay130
Hog, fat0.7
Hog, meat byproducts1.5
Hog, meat0.05
Horse, fat0.7
Horse, meat byproducts1.5
Horse, meat0.05
Milk0.05
Poultry, fat0.05
Poultry, meat byproducts0.1
Poultry, meat0.05
Rhubarb0.5
Rice, bran30
Rice, grain10
Sheep, fat0.7
Sheep, meat byproducts1.5
Sheep, meat0.05
Sorghum, grain, forage3.0
Sorghum, grain, grain6.0
Sorghum, grain, stover1.0
Wheat, forage1.0
Wheat, germ0.75
Wheat, grain0.5
Wheat, hay0.5
Wheat, straw0.1

(2) Tolerances are established for residues of the herbicide quinclorac, including its metabolites and degradates, in or on the commodity in the following table. Compliance with the tolerance levels specified in this paragraph is to be determined by measuring only quinclorac, 3,7-dichloro-8-quinolinecarboxylic acid, and its methyl ester, methyl-3,7-dichloro-8-quinolinecarboxylate, calculated as the stoichiometric equivalent of quinclorac, in or on the commodity.

Commodity Parts per million
Rapeseed, subgroup 20A 11.5

1 There are no U.S. Registrations.

(b) Section 18 emergency exemptions. Time-limited tolerances are established for residues of the herbicide quinclorac, including its metabolites and degradates, in or on the commodity in the table in this paragraph. Compliance with the tolerance level specified in this paragraph is to be determined by measuring only quinclorac, 3,7-dichloro-8-quinolinecarboxylic acid, in or on the commodity. The tolerance expires and is revoked on the date specified in the table in this paragraph.

Commodity Parts per million Expiration/revocation date
Cranberry15.012/31/12

(c) Tolerances with regional registrations. [Reserved]

(d) Indirect or inadvertent residues. [Reserved]

[57 FR 47996, Oct. 21, 1992, as amended at 64 FR 6548, 6549, Feb. 10, 1999; 64 FR 14632, Mar. 26, 1999; 65 FR 33701, May 24, 2000; 67 FR 35049, May 17, 2002; 72 FR 55073, Sept. 28, 2007; 74 FR 51490, Oct. 7, 2009; 74 FR 67090, Dec. 18, 2009; 76 FR 23497, Apr. 27, 2011; 77 FR 75566, Dec. 21, 2012; 78 FR 71528, Nov. 29, 2013; 80 FR 72599, Nov. 20, 2015; 82 FR 57149, Dec. 4, 2017; 85 FR 43702, July 20, 2020]
authority: 21 U.S.C. 321(q), 346a and 371
source: 36 FR 22540, Nov. 25, 1971, unless otherwise noted.
cite as: 40 CFR 180.463