40 CFR § 180.452 - Primisulfuron-methyl; tolerances for residues.

---
identifier: "/us/cfr/t40/s180.452"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "40 CFR § 180.452 - Primisulfuron-methyl; tolerances for residues."
title_number: 40
title_name: "Protection of Environment"
section_number: "180.452"
section_name: "Primisulfuron-methyl; tolerances for residues."
chapter_name: "ENVIRONMENTAL PROTECTION AGENCY"
subchapter_number: "E"
subchapter_name: "PESTICIDE PROGRAMS"
part_number: "180"
part_name: "TOLERANCES AND EXEMPTIONS FOR PESTICIDE CHEMICAL RESIDUES IN FOOD"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
authority: "21 U.S.C. 321(q), 346a and 371."
regulatory_source: "36 FR 22540, Nov. 25, 1971, unless otherwise noted."
cfr_part: "180"
---


# 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, fat | 0.10 |
| Cattle, meat | 0.10 |
| Cattle, meat byproducts | 0.10 |
| Corn, field, forage | 0.10 |
| Corn, field, grain | 0.02 |
| Corn, field, stover | 0.10 |
| Corn, pop, grain | 0.02 |
| Corn, pop, stover | 0.10 |
| Egg | 0.10 |
| Goat, fat | 0.10 |
| Goat, meat | 0.10 |
| Goat, meat byproducts | 0.10 |
| Hog, fat | 0.10 |
| Hog, meat | 0.10 |
| Hog, meat byproducts | 0.10 |
| Horse, fat | 0.10 |
| Horse, meat | 0.10 |
| Horse, meat byproducts | 0.10 |
| Milk | 0.02 |
| Poultry, fat | 0.10 |
| Poultry, meat | 0.10 |
| Poultry, meat byproducts | 0.10 |
| Sheep, fat | 0.10 |
| Sheep, meat | 0.10 |
| Sheep, meat byproducts | 0.10 |

(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]