# Difenoconazole; Pesticide Tolerance
> **Rule** · Final rule. · Published 2006-09-13 · Effective 2006-09-13 · 71 FR 53979
## Document
- **Document number:** E6-15090
- **Category:** air-emissions
- **Federal Register citation:** 71 FR 53979
- **CFR reference:** 40 CFR 180
- **Publication date:** 2006-09-13
- **Effective date:** 2006-09-13
- **EPA docket:** EPA-HQ-OPP-2006-0024
## Abstract

This regulation establishes tolerances for residues of difenoconazole, (1-[2-[2-chloro-4-(4-chlorophenoxy)phenyl]-4-methyl- 1,3-dioxolan-2-ylmethyl]-1H-1,2,4-triazole), when used as a seed treatment in or on barley, hay; barley, straw; corn, sweet, forage; corn, sweet, kernel plus cob with husks removed; corn, sweet, stover; cotton, gin byproducts; cotton, undelinted seed; and as a foliar treatment on fruit, pome, group 11 (import); and on grape (import). Syngenta Crop Protection, Inc. requested these tolerances under the Federal Food, Drug, and Cosmetic Act (FFDCA), as amended by the Food Quality Protection Act of 1996 (FQPA). This rule also revises the chemical name of the active ingredient, difenoconazole, from [(2S,4R)/ (2R/4S)]/[(2R/4R)]/(2S,4S) 1-(2-[4-(4-chlorophenoxy)-2-chlorophenyl]-4- methyl-1,3-dioxolan-2-yl-methyl)-1H-1,2,4-triazole, to the following, (1-[2-[2-chloro-4-(4-chlorophenoxy)phenyl]-4-methyl-1,3-dioxolan-2- ylmethyl]-1H-1,2,4-triazole). EPA is also deleting certain difenoconazole tolerances that are no longer needed as result of this action.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2006/09/13/E6-15090/difenoconazole-pesticide-tolerance)
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