# Notification of Memorandum of Agreement; Massachusetts; Clean Air Act (CAA) Sections 111(d) and/or 129 Federal Plan Requirements
> **Rule** · Notification. · Published 2022-09-21 · 87 FR 57612
## Document
- **Document number:** 2022-20381
- **Category:** air-emissions
- **Federal Register citation:** 87 FR 57612
- **CFR reference:** 40 CFR 62
- **Publication date:** 2022-09-21
- **State:** MA
- **EPA docket:** EPA-R01-OAR-2021-0883
## Abstract

On October 15, 2021, the United States Environmental Protection Agency's (EPA) Region 1 Acting Administrator signed a Memorandum of Agreement (MOA) between the Massachusetts Department of Environmental Protection (MassDEP) and EPA Region 1 regarding existing affected sources subject to Clean Air Act (CAA) sections 111(d) and/or 129 Federal Plan requirements. Subsequently, the MOA became effective upon signature of the MassDEP Commissioner on November 9, 2021. This document is informing the public of the MOA and making a copy of the document accessible.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2022/09/21/2022-20381/notification-of-memorandum-of-agreement-massachusetts-clean-air-act-caa-sections-111d-andor-129)
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