# Imazapyr; Pesticide Tolerance
> **Rule** · Final rule. · Published 2003-09-26 · Effective 2003-09-26 · 68 FR 55475
## Document
- **Document number:** 03-24123
- **Category:** pesticide
- **Federal Register citation:** 68 FR 55475
- **CFR reference:** 40 CFR 180
- **Publication date:** 2003-09-26
- **Effective date:** 2003-09-26
- **EPA docket:** OPP-2003-0264
## Abstract

This regulation establishes a tolerance for residues of imazapyr [2-[4,5-dihydro-4-methyl-4-(1-methylethyl)-5-oxo-1H-imidazol- 2-yl]-3-pyridinecarboxylic acid] in or on grass, forage; grass, hay; fish; shellfish; fats of cattle, sheep, goats, and horses; kidney of cattle, sheep, goats, and horses; meat byproducts (except kidney) of cattle, sheep, goats, and horses; meat of cattle, sheep, goats, and horses; and milk.. BASF requested this tolerance under the Federal Food, Drug, and Cosmetic Act (FFDCA) , as amended by the Food Quality Protection Act of 1996 (FQPA).

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2003/09/26/03-24123/imazapyr-pesticide-tolerance)
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