# Tetrachlorvinphos; Extension of Time-Limited Interim Pesticide Tolerances
> **Rule** · Final rule. · Published 2011-09-16 · Effective 2011-09-16 · 76 FR 57657
## Document
- **Document number:** 2011-23815
- **Category:** pesticide
- **Federal Register citation:** 76 FR 57657
- **CFR reference:** 40 CFR 180
- **Publication date:** 2011-09-16
- **Effective date:** 2011-09-16
- **EPA docket:** EPA-HQ-OPP-2011-0360
## Abstract

This regulation establishes an extension of time-limited interim tolerances for the combined residues of the insecticide tetrachlorvinphos [(Z)-2-chloro-1-(2,4,5-trichlorophenyl) vinyl dimethyl phosphate], including its metabolites, 1-(2,4,5- trichlorophenyl)-ethanol (free and conjugated forms), 2,4,5- trichloroacetophenone, and 1-(2,4,5-trichlorophenyl)-ethanediol, in or on multiple commodities which will be identified later in this document, under the Federal Food, Drug, and Cosmetic Act (FFDCA). The time-limited tolerances expire on March 18, 2013.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2011/09/16/2011-23815/tetrachlorvinphos-extension-of-time-limited-interim-pesticide-tolerances)
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