# MCPA; Pesticide Tolerances
> **Rule** · Final rule. · Published 2021-12-15 · Effective 2021-12-15 · 86 FR 71152
## Document
- **Document number:** 2021-27134
- **Category:** pesticide
- **Federal Register citation:** 86 FR 71152
- **CFR reference:** 40 CFR 180
- **Publication date:** 2021-12-15
- **Effective date:** 2021-12-15
- **EPA docket:** EPA-HQ-OPP-2020-0691
## Abstract

This regulation modifies existing tolerances for residues of MCPA in or on clover, forage and clover, hay. The Interregional Research Project Number 4 (IR-4) requested these tolerances under the Federal Food, Drug, and Cosmetic Act (FFDCA).

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2021/12/15/2021-27134/mcpa-pesticide-tolerances)
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