# Zinc Phosphide; Pesticide Tolerance
> **Rule** · Final rule. · Published 2003-09-30 · Effective 2003-09-30 · 68 FR 56189
## Document
- **Document number:** 03-24844
- **Category:** pesticide
- **Federal Register citation:** 68 FR 56189
- **CFR reference:** 40 CFR 180
- **Publication date:** 2003-09-30
- **Effective date:** 2003-09-30
- **EPA docket:** OPP-2003-0319
## Abstract

This regulation establishes tolerances for residues of phosphine resulting from the use of the rodenticide zinc phosphide in or on alfalfa, forage; alfalfa hay; barley, grain; barley, hay; barley, straw; bean, dry, seed; beet, sugar, roots; beet, sugar, tops; potato; timothy, forage; timothy, hay; wheat, forage; wheat, grain; wheat, hay; and wheat, straw. The Interregional Research Project Number 4 (IR-4) requested these tolerances 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/2003/09/30/03-24844/zinc-phosphide-pesticide-tolerance)
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