Regulations last checked for updates: May 18, 2024

Title 40 - Protection of Environment last revised: May 16, 2024
§ 180.448 - Hexythiazox; tolerance for residues.

(a) General. Tolerances are established for residues of hexythiazox, 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 hexythiazox and its metabolites containing the (4-chlorophenyl)-4-methyl-2-oxo-3-thiazolidine moiety, calculated as the stoichiometric equivalent of hexythiazox.

Commodity Parts per million
Almond, hulls10
Apple, wet pomace0.40
Beet, sugar, dried pulp0.30
Beet, sugar, root0.15
Berry, low growing, subgroup 13-07G6
Caneberry, Subgroup 13-07A3
Cattle, fat0.05
Cattle, meat byproducts0.5
Citrus, oil25
Corn, field, forage3.0
Corn, field, grain0.02
Corn, field, stover7.0
Cotton, gin byproducts15
Cotton, undelinted seed0.4
Date, dried3
Egg0.05
Fruit, pome, group 11-100.4
Fruit, small, vine climbing, subgroup 13-07F, except fuzzy kiwifruit1
Fruit, stone, group 121.0
Goat, fat0.05
Goat, meat byproducts0.5
Grain, aspirated fractions5
Hog, fat0.02
Hog, meat byproducts0.05
Hop, dried cones20
Horse, fat0.05
Horse, meat byproducts0.5
Milk0.05
Nut, tree, group 140.30
Pepper/eggplant subgroup 8-10B1.5
Peppermint, tops2.0
Pistachio0.30
Plum, prune, dried1.3
Poultry, fat0.05
Poultry, meat byproducts0.05
Sheep, fat0.05
Sheep, meat byproducts0.5
Spearmint, tops2.0
Tea, dried 115
Tomato0.50

1 There are no U.S. registrations for this commodity as of July 20, 2020.

(b) Section 18 emergency exemptions. [Reserved]

(c) Tolerances with regional registrations. Tolerances with regional registrations as defined by § 180.1(l), are established for residues of hexythiazox, 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 hexythiazox and its metabolites containing the (4-chlorophenyl)-4-methyl-2-oxo-3-thiazolidine moiety, calculated as the stoichiometric equivalent of hexythiazox.

Commodity Parts per million
Alfalfa, forage (EPA Regions 7-11 only)20
Alfalfa, hay (EPA Regions 7-11 only)60
Bean, dried, seed (EPA Regions 7-12 only)0.4
Bean, succulent (EPA Regions 7-12 only)0.3
Bermuda grass, forage (EPA Regions 9-10 only)40
Bermuda grass, hay (EPA Regions 9-10 only)70
Corn, field, forage6.0
Corn, field, grain0.02
Corn, field, stover2.5
Corn, sweet, forage (EPA Regions 7-12 only)4.0
Corn, sweet, kernel plus cob with husks removed (EPA Regions 7-12 only)0.1
Fruit, citrus group 10-10 (CA, AZ, TX only)0.6
Potato0.02
Sorghum, grain, forage (EPA Regions 6-8 only)5
Sorghum, grain, grain (EPA Regions 6-8 only)3
Sorghum, grain, stover (EPA Regions 6-8 only)6
Timothy, forage (EPA Regions 9-11 only)40
Timothy, hay (EPA Regions 9-11 only)40
Wheat, forage (EPA Regions 9-12 only)6.0
Wheat, grain (EPA Regions 9-12 only)0.02
Wheat, hay (EPA Regions 9-12 only)30
Wheat, straw (EPA Regions 9-12 only)8.0

(d) Indirect or inadvertent residues. [Reserved]

[54 FR 17948, Apr. 26, 1989] Editorial Note:For Federal Register citations affecting § 180.448, see the List of CFR Sections Affected, which appears in the Finding Aids section of the printed volume and at www.govinfo.gov.
authority: 21 U.S.C. 321(q), 346a and 371
source: 36 FR 22540, Nov. 25, 1971, unless otherwise noted.
cite as: 40 CFR 180.448