Regulations last checked for updates: May 01, 2025

Title 40 - Protection of Environment last revised: Nov 01, 2025
§ 180.452 - Primisulfuron-methyl; tolerances for residues.

(a) General. Tolerances are established for residues of primisulfuron-methyl (3-[4,6-bis-(difluoromethoxy)-pyrimidin-2-yl]-1-(2-methoxycarbonylphenylsulfonyl) urea) in or on the following raw agricultural commodities.

Commodity Parts per million
Cattle, fat0.10
Cattle, meat0.10
Cattle, meat byproducts0.10
Corn, field, forage0.10
Corn, field, grain0.02
Corn, field, stover0.10
Corn, pop, grain0.02
Corn, pop, stover0.10
Egg0.10
Goat, fat0.10
Goat, meat0.10
Goat, meat byproducts0.10
Hog, fat0.10
Hog, meat0.10
Hog, meat byproducts0.10
Horse, fat0.10
Horse, meat0.10
Horse, meat byproducts0.10
Milk0.02
Poultry, fat0.10
Poultry, meat0.10
Poultry, meat byproducts0.10
Sheep, fat0.10
Sheep, meat0.10
Sheep, meat byproducts0.10

(b) Section 18 emergency exemptions. [Reserved]

(c) Tolerances with regional registrations. [Reserved]

(d) Indirect or inadvertent residues. [Reserved]

[55 FR 21548, May 25, 1990, as amended at 62 FR 66020, Dec. 17, 1997; 63 FR 66458, Dec. 2, 1998; 67 FR 35049, May 17, 2002; 74 FR 46375, Sept. 9, 2009; 74 FR 46699, Sept. 11, 2009; 77 FR 59128, Sept. 26, 2012]
authority: 21 U.S.C. 321(q), 346a and 371
source: 36 FR 22540, Nov. 25, 1971, unless otherwise noted.
cite as: 40 CFR 180.452