# Sodium monoalkyl and dialkyl (C6-C16) phenoxybenzenedisulfonates and related acids; Exemption from the Requirement of a Tolerance
> **Rule** · Final rule. · Published 2009-07-29 · Effective 2009-07-29 · 74 FR 37598
## Document
- **Document number:** E9-17957
- **Category:** air-emissions
- **Federal Register citation:** 74 FR 37598
- **CFR reference:** 40 CFR 180
- **Publication date:** 2009-07-29
- **Effective date:** 2009-07-29
- **EPA docket:** EPA-HQ-OPP-2008-0665
## Abstract

This regulation establishes an exemption from the requirement of a tolerance for residues of Sodium monoalkyl and dialkyl (C<INF>6</INF>-C<INF>16</INF>) phenoxybenzenedisulfonates and related acids, often known as the "alkyldiphenyl oxide sulfnates", herein referred to in this document as ADPOS, when used as inert ingredients at a maximum of 20% by weight in pesticide formulations for pre-harvest and post-harvest use under 40 CFR 180.910, as well as for application to animals under 40 CFR 180.930. Dow AgroSciences, LLC, 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 ADPOS.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2009/07/29/E9-17957/sodium-monoalkyl-and-dialkyl-c6-c16-phenoxybenzenedisulfonates-and-related-acids-exemption-from-the)
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