# Prevention of Significant Deterioration (PSD) Program; Massachusetts; Announcing Delegation Agreement Between EPA and Massachusetts Department of Environmental Protection
> **Rule** · Announcement of delegation agreement. · Published 2011-05-31 · Effective 2011-04-11 · 76 FR 31241
## Document
- **Document number:** 2011-12950
- **Category:** other
- **Federal Register citation:** 76 FR 31241
- **CFR reference:** 40 CFR 52
- **Publication date:** 2011-05-31
- **Effective date:** 2011-04-11
- **State:** MA
- **EPA docket:** A-1-FRL-9310-9
## Abstract

This document announces that effective April 11, 2011, EPA Region 1 has signed an agreement with the Massachusetts Department of Environmental Protection (MassDEP) delegating authority to implement and enforce the Federal Prevention of Significant Deterioration (PSD) program to the MassDEP. Therefore, effective that date, MassDEP is the implementing authority for the PSD program in Massachusetts. This document explains the consequences of this change for owners and operators of sources that have PSD permits or that will need such permits in the future.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2011/05/31/2011-12950/prevention-of-significant-deterioration-psd-program-massachusetts-announcing-delegation-agreement)
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