# Residues of Quaternary Ammonium Compounds, N-Alkyl (C12-18) dimethyl benzyl ammonium chloride on Food Contact Surfaces; Exemption from the Requirement of a Tolerance
> **Rule** · Final rule. · Published 2008-08-20 · Effective 2008-08-20 · 73 FR 49101
## Document
- **Document number:** E8-19070
- **Category:** pesticide
- **Federal Register citation:** 73 FR 49101
- **CFR reference:** 40 CFR 180
- **Publication date:** 2008-08-20
- **Effective date:** 2008-08-20
- **EPA docket:** EPA-HQ-OPP-2006-0573
## Abstract

This regulation establishes an exemption from the requirement of a tolerance for residues of n-alkyl (C<INF>12-18</INF>) dimethyl benzyl ammonium chloride (CAS No. 68424-85-1) on food contact surfaces when applied/used in public eating places, dairy processing equipment, and/or food processing equipment and utensils. The regulation will exempt from the requirement of tolerance residues in food resulting from contact with surfaces treated with antimicrobial solutions where the end-use concentration of active quaternary compound does not exceed 400 ppm.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2008/08/20/E8-19070/residues-of-quaternary-ammonium-compounds-n-alkyl-c12-18-dimethyl-benzyl-ammonium-chloride-on-food)
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