Code of Federal Regulations (alpha)

CFR /  Title 40  /  Part 180  /  Sec. 180.390 Tebuthiuron; tolerances for residues.

(a) General. (1) Tolerances are established for the combined residues of the herbicide tebuthiuron (N-(5-(1,1-dimethylethyl)-1,3,4-thiadiazol-2-yl)-N,N'-dimethylurea) and its metabolites N-(5-(2-hydroxy-1,1-dimethylethyl)-1,3,4-thiadiazol-2-yl)-N,N'-dimethylurea, N-(5-(1,1-dimethylethyl)-1,3,4-thiadiazol-2-yl)-N-methylurea, and N-(5-(1,1-dimethylethyl)-1,3,4-thiadiazol-2-yl)-N'-hydroxymethyl-N-methylurea in or on the following raw agricultural commodities: ------------------------------------------------------------------------

Parts per

Commodity million------------------------------------------------------------------------Grass, forage............................................... 10.0Grass, hay.................................................. 10.0------------------------------------------------------------------------

(2) Tolerances are established for the combined residues of the herbicide tebuthiuron (N-(5-(1,1-dimethylethyl)-1,3,4-thiadiazol-2-yl)-N,N'-dimethylurea) and its metabolites N-(5-(1,1-dimethylethyl)-1,3,4-thiadiazol-2-yl)-N-methylurea, N-(5-(1,1-dimethylethyl)-1,3,4-thiadiazol-2-yl)urea, 2-dimethylethyl-5-amino-1,3,4-thiadiazole, and N-(5-(1,1-dimethylethyl)-1,3,4-thiadiazol-2-yl)-N'-hydroxymethyl-N-methylurea in or on the following raw agricultural commodities: ------------------------------------------------------------------------

Parts per

Commodity million------------------------------------------------------------------------Cattle, fat................................................. 1.0Cattle, meat................................................ 1.0Cattle, meat byproducts..................................... 5.0Goat, fat................................................... 1.0Goat, meat.................................................. 1.0Goat, meat byproducts....................................... 5.0Horse, fat.................................................. 1.0Horse, meat................................................. 1.0Horse, meat byproducts...................................... 5.0Sheep, fat.................................................. 1.0Sheep, meat................................................. 1.0Sheep, meat byproducts...................................... 5.0------------------------------------------------------------------------

(3) A tolerance is established for the combined residues of the herbicide tebuthiuron (N-(5-(1,1-dimethylethyl)-1,3,4-thiadiazol-2-yl)-N,N'-dimethylurea) and its metabolites N-(5-(1,1-dimethylethyl)-1,3,4-thiadiazol-2-yl)-N-methylurea, N-(5-(2-hydroxy-1,1-dimethylethyl)-1,3,4-thiadiazol-2-yl)-N-methylurea, N-(5-(1,1-dimethylethyl)-1,3,4-thiadiazol-2-yl)urea, N-(5-(1,1-dimethylethyl)-1,3,4-thiadiazol-2-yl)-N'-hydroxymethyl-N-methylurea, and N-(5-(2-hydroxy-1,1-dimethylethyl)-1,3,4-thiadiazol-2-yl)-N'-hydroxymethyl-N-methylurea in or on the following raw agricultural commodities: ------------------------------------------------------------------------

Parts per

Commodity million------------------------------------------------------------------------Milk........................................................ 0.8------------------------------------------------------------------------

(b) Section 18 emergency exemptions. [Reserved]

(c) Tolerances with regional registrations. [Reserved]

(d) Indirect or inadvertent residues. [Reserved] [72 FR 53461, Sept. 19, 2007]