# Mefenpyr-Diethyl; Pesticide Tolerance
> **Rule** · Final rule. · Published 2003-04-30 · Effective 2003-04-30 · 68 FR 23038
## Document
- **Document number:** 03-10263
- **Category:** pesticide
- **Federal Register citation:** 68 FR 23038
- **CFR reference:** 40 CFR 180
- **Publication date:** 2003-04-30
- **Effective date:** 2003-04-30
- **EPA docket:** OPP-2003-0077
## Abstract

This regulation establishes tolerances for the combined residues of mefenpyr-diethyl also known chemically as 1-(2,4- dichlorophenyl)-4,5-dihydro-5-methyl-1H-pyrazole-3,5-dicarboxylic acid, diethyl ester in or on wheat and barley commodities. Bayer CropScience formerly doing business as Aventis CropScience and/or AgrEvo Company 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/2003/04/30/03-10263/mefenpyr-diethyl-pesticide-tolerance)
---
*AI Analytics · CC0 1.0*