# Oxirane, 2-Methyl-, Polymer With Oxirane, Mono-C9-11-Isoalkyl Ethers, C10-Rich, Phosphates, Potassium Salts; Tolerance Exemption
> **Rule** · Final rule. · Published 2022-09-16 · Effective 2022-09-16 · 87 FR 56899
## Document
- **Document number:** 2022-20040
- **Category:** pesticide
- **Federal Register citation:** 87 FR 56899
- **CFR reference:** 40 CFR 180
- **Publication date:** 2022-09-16
- **Effective date:** 2022-09-16
- **EPA docket:** EPA-HQ-OPP-2021-0323
## Abstract

This regulation establishes an exemption from the requirement of a tolerance for residues of oxirane, 2-methyl-, polymer with oxirane, mono-C9-11-isoalkyl ethers, C10-rich, phosphates, potassium salts (CAS Reg. No. 2275654-37-8), when used as an inert ingredient (surfactant, related adjuvants of surfactant) in pesticide formulations used pre- and post-harvest as well as in formulations applied to livestock. Spring Regulatory Sciences, on behalf of Nouryon Chemicals LLC (USA), 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 tolerance for residues of oxirane, 2-methyl-, polymer with oxirane, mono-C9-11-isoalkyl ethers, C10-rich, phosphates, potassium salts (CAS Reg. No. 2275654-37-8), on food or feed commodities or when applied to livestock.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2022/09/16/2022-20040/oxirane-2-methyl--polymer-with-oxirane-mono-c9-11-isoalkyl-ethers-c10-rich-phosphates-potassium)
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