# Carbon Dioxide; Exemption From the Requirement of a Tolerance
> **Rule** · Final rule. · Published 2011-05-04 · Effective 2011-05-04 · 76 FR 25236
## Document
- **Document number:** 2011-10889
- **Category:** pesticide
- **Federal Register citation:** 76 FR 25236
- **CFR reference:** 40 CFR 180
- **Publication date:** 2011-05-04
- **Effective date:** 2011-05-04
- **EPA docket:** EPA-HQ-OPP-2007-1077
## Abstract

This regulation establishes an exemption from the requirement of a tolerance for residues of carbon dioxide (CAS Reg. No. 124-38-9) when used as an inert ingredient as a propellant in pre-harvest and post-harvest applications and when applied to animals. Whitmire Micro- Gen Research Laboratories, Inc., c/o Landis International, Inc. submitted a petition to EPA under the Federal Food, Drug, and Cosmetic Act (FFDCA), requesting establishment of an exemption from the requirement of a tolerance. This regulation eliminates the need to establish a maximum permissible level for residues of carbon dioxide.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2011/05/04/2011-10889/carbon-dioxide-exemption-from-the-requirement-of-a-tolerance)
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