# 2-Propenoic Acid, Butyl Ester, Polymer With Ethenyl Acetate and Sodium Ethenesulfonate; Tolerance Exemption
> **Rule** · Final rule. · Published 2016-07-20 · Effective 2016-07-20 · 81 FR 47042
## Document
- **Document number:** 2016-17165
- **Category:** pesticide
- **Federal Register citation:** 81 FR 47042
- **CFR reference:** 40 CFR 180
- **Publication date:** 2016-07-20
- **Effective date:** 2016-07-20
- **EPA docket:** EPA-HQ-OPP-2016-0149
## Abstract

This regulation establishes an exemption from the requirement of a tolerance for residues of 2-propenoic acid, butyl ester, polymer with ethenyl acetate and sodium ethenesulfonate (CAS Reg. No. 66573-43- 1) when used as an inert ingredient in a pesticide chemical formulation. Celanese Ltd 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 2-propenoic acid, butyl ester, polymer with ethenyl acetate and sodium ethenesulfonate on food or feed commodities.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2016/07/20/2016-17165/2-propenoic-acid-butyl-ester-polymer-with-ethenyl-acetate-and-sodium-ethenesulfonate-tolerance)
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