# Prohexadione Calcium; Pesticide Tolerances
> **Rule** · Final rule. · Published 2020-02-14 · Effective 2020-02-14 · 85 FR 8457
## Document
- **Document number:** 2020-02036
- **Category:** pesticide
- **Federal Register citation:** 85 FR 8457
- **CFR reference:** 40 CFR 180
- **Publication date:** 2020-02-14
- **Effective date:** 2020-02-14
- **EPA docket:** EPA-HQ-OPP-2018-0785
## Abstract

This regulation establishes tolerances with a regional registration for residues of prohexadione calcium in or on alfalfa forage, alfalfa hay, and field corn forage, grain, and stover. 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/2020/02/14/2020-02036/prohexadione-calcium-pesticide-tolerances)
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