(a) General. Tolerances are established for residues of prosulfuron, 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 prosulfuron (N-[[(4-methoxy-6-methyl-1,3,5-triazin-2-yl)amino]carbonyl]-2-(3,3,3-trifluoropropyl)benzenesulfonamide) in or on the commodity.

CommodityParts per
million
Grain, cereal, forage, fodder, and straw, group 16, forage0.10
Grain, cereal, forage, fodder, and straw, group 16, hay0.20
Grain, cereal, forage, fodder, and straw, group 16, stover0.01
Grain, cereal, forage, fodder, and straw, group 16, straw0.02
Grain, cereal, group 150.01

(b) Section 18 emergency exemptions. [Reserved]

(c) Tolerances with regional registration. [Reserved]

(d) Indirect or inadvertent residues. [Reserved]

[74 FR 67118, Dec. 18, 2009, as amended at 82 FR 31475, July 7, 2017]