# Butanedioic Acid, 2-Methylene-, Telomer With Sodium Phosphinate (1:1), Acidified, Potassium Salts; Tolerance Exemption
> **Rule** · Final rule. · Published 2017-01-10 · Effective 2017-01-10 · 82 FR 2897
## Document
- **Document number:** 2016-31830
- **Category:** pesticide
- **Federal Register citation:** 82 FR 2897
- **CFR reference:** 40 CFR 180
- **Publication date:** 2017-01-10
- **Effective date:** 2017-01-10
- **EPA docket:** EPA-HQ-OPP-2016-0487
## Abstract

This regulation establishes an exemption from the requirement of a tolerance for residues of butanedioic acid, 2-methylene-, telomer with sodium phosphinate (1:1), acidified, potassium salts when used as an inert ingredient in a pesticide chemical formulation. Itaconix submitted a petition to EPA under the Federal Food, Drug, and Cosmetic Act (FFDCA), requesting an exemption from the requirement of a tolerance. This regulation eliminates the need to establish a maximum permissible level for residues of butanedioic acid, 2-methylene-, telomer with sodium phosphinate (1:1), acidified, potassium salts on food or feed commodities.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2017/01/10/2016-31830/butanedioic-acid-2-methylene--telomer-with-sodium-phosphinate-11-acidified-potassium-salts-tolerance)
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