# 2-Propenoic acid, polymer with α-[4-(ethenyloxy) butyl]-ω-hydroxypoly (oxy-1,2-ethanediyl), sodium salt; Tolerance Exemption
> **Rule** · Final rule. · Published 2009-03-11 · Effective 2009-03-11 · 74 FR 10507
## Document
- **Document number:** E9-5273
- **Category:** pesticide
- **Federal Register citation:** 74 FR 10507
- **CFR reference:** 40 CFR 180
- **Publication date:** 2009-03-11
- **Effective date:** 2009-03-11
- **EPA docket:** EPA-HQ-OPP-2008-0621
## Abstract

This regulation establishes an exemption from the requirement of a tolerance for residues of 2-Propenoic acid, polymer with [alpha]- [4-(ethenyloxy) butyl]-[omega]-hydroxypoly (oxy-1,2-ethanediyl), sodium salt; (CAS Reg. No. 250591-84-5); when used as an inert ingredient in a pesticide chemical formulation. BASF Corporation 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, polymer with [alpha]-[4-(ethenyloxy) butyl]-[omega]-hydroxypoly (oxy-1,2-ethanediyl), sodium salt on food or feed commodities.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2009/03/11/E9-5273/2-propenoic-acid-polymer-with--4-ethenyloxy-butyl--hydroxypoly-oxy-12-ethanediyl-sodium-salt)
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