# Calcium Bisulfate; Exemption From the Requirement of a Tolerance
> **Rule** · Final rule. · Published 2021-11-09 · Effective 2021-11-09 · 86 FR 62101
## Document
- **Document number:** 2021-24268
- **Category:** pesticide
- **Federal Register citation:** 86 FR 62101
- **CFR reference:** 40 CFR 180
- **Publication date:** 2021-11-09
- **Effective date:** 2021-11-09
- **EPA docket:** EPA-HQ-OPP-2021-0326
## Abstract

This regulation establishes an exemption from the requirement of a tolerance for residues of calcium bisulfate when used as an inert ingredient (acidifying/buffering agent) in antimicrobial formulations applied to food-contact surfaces in public eating places, dairy- processing equipment, and food-processing equipment and utensils, limited to 2,000 parts per million (ppm). Burdock Group on behalf of SCG Solutions, LLC., 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 calcium bisulfate.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2021/11/09/2021-24268/calcium-bisulfate-exemption-from-the-requirement-of-a-tolerance)
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