Regulations last checked for updates: Nov 25, 2024

Title 40 - Protection of Environment last revised: Nov 21, 2024
§ 180.222 - Prometryn; tolerances for residues.

(a) General. Tolerances are established for residues of the herbicide prometryn, including its metabolites and degradates, in or on the commodities in the following table. Compliance with the tolerance levels specified in the following table is to be determined by measuring only prometryn, 2,4-bis(isopropylamino)-6-methylthio-s-triazine, in or on the following raw agricultural commodities:

Commodity Parts per million
Bean, snap, succulent0.05
Carrot, roots0.45
Celeriac, roots0.05
Celeriac, tops0.20
Celtuce0.50
Cilantro, leaves3.5
Coriander, dried leaves9.0
Cotton, gin byproducts1.0
Cottonseed subgroup 20C0.25
Dill, oil1.3
Dillweed, dried leaves1.1
Dillweed, fresh leaves0.30
Fennel, Florence, fresh leaves and stalk0.50
Leaf petiole vegetable subgroup 22B0.50
Okra0.05
Parsley, dried leaves1.5
Parsley, leaves0.60
Pea, pigeon, seed0.25
Sesame, seed0.05
Swiss chard0.50

(b) Section 18 emergency exemptions. [Reserved]

(c) Tolerances with regional exemptions. [Reserved]

(d) Indirect or inadvertent residues. Tolerances are established for indirect or inadvertent residues of the herbicide prometryn, including its metabolites and degradates, in or on the commodities in the following table. Compliance with the tolerance levels specified in the following table is to be determined by measuring only prometryn, 2,4-bis(isopropylamino)-6-methylthio-s-triazine, in or on the following raw agricultural commodities.

Commodity Parts per million
Barley, forage0.3
Barley, hay1.0
Barley, straw0.3
Oat, forage0.3
Oat, hay1.0
Oat, straw0.3
Rye, forage0.3
Rye, hay1.0
Rye, straw0.3
Triticale, forage0.3
Triticale, hay1.0
Triticale, straw0.3
Wheat, forage0.3
Wheat, hay1.0
Wheat, straw0.3
[43 FR 29121, July 6, 1978, as amended at 45 FR 51782, Aug. 5, 1980; 54 FR 6918, Feb. 15, 1989; 60 FR 20434, Apr. 26, 1995; 63 FR 17692, Apr. 10, 1998; 63 FR 57075, Oct. 26, 1998; 64 FR 39082, July 21, 1999; 74 FR 47456, Sept. 16, 2009; 74 FR 67108, Dec. 18, 2009; 76 FR 34885, June 15, 2011; 78 FR 55640, Sept. 11, 2013; 82 FR 57144, Dec. 4, 2017]
authority: 21 U.S.C. 321(q), 346a and 371
source: 36 FR 22540, Nov. 25, 1971, unless otherwise noted.
cite as: 40 CFR 180.222