180.454—Nicosulfuron; tolerances for residues.

(a) General. Tolerances are established for residues of the herbicide nicosulfuron, including its metabolites and degradates, in or on the commodities in the following table [below]. Compliance with the tolerance levels specified in the following table [below] is to be determined by measuring only nicosulfuron, 3-Pyridinecarboxamide, 2-[[[[(4,6-dimethoxy-2-pyrimidinyl)amino] carbonyl]amino]sulfonyl]-N,N-dimethyl-.
Commodity Parts per million
Cattle, fat 0.01
Cattle, meat 0.01
Cattle, meat byproducts 0.05
Corn, field, forage 0.1
Corn, field, grain 0.1
Corn, field, stover 0.1
Corn, pop, grain 0.1
Corn, pop, stover 0.1
Corn, sweet, forage 0.1
Corn, sweet, kernel plus cob with husks removed 0.1
Corn, sweet, stover 0.1
Goat, fat 0.01
Goat, meat 0.01
Goat, meat byproducts 0.05
Grass, forage 9.0
Grass, hay 25.0
Horse, fat 0.01
Horse, meat 0.01
Horse, meat byproducts 0.05
Milk 0.01
Sheep, fat 0.01
Sheep, meat 0.01
Sheep, meat byproducts 0.05
(b) emergency exemptions. Time-limited tolerances specified in the following table [below] are established for residues of the herbicide nicosulfuron, 3-Pyridinecarboxamide, 2-[[[[(4,6-dimethoxy-2-pyrimidinyl)amino] carbonyl]amino]sulfonyl]-N,N-dimethyl-, in or on the specified agricultural commodities, resulting from use of the pesticide pursuant to FFIFRA section 18 emergency exemptions. The tolerances expire and are revoked on the date specified in the table.
Commodity Parts per million Expiration/Revokation Date
Bermuda grass, forage 10 12/31/11
Bermuda grass, hay 25 12/31/11
(c) Tolerances with regional registrations. [Reserved]
(d) Indirect or inadvertent residues. [Reserved]

Code of Federal Regulations

[75 FR 17578, Apr. 7, 2010]