# Approval and Promulgation of Air Quality Implementation Plans; Maryland; Preconstruction Requirements-Nonattainment New Source Review
> **Rule** · Final rule. · Published 2015-07-13 · Effective 2015-08-12 · 80 FR 39968
## Document
- **Document number:** 2015-16918
- **Category:** air-emissions
- **Federal Register citation:** 80 FR 39968
- **CFR reference:** 40 CFR 52
- **Publication date:** 2015-07-13
- **Effective date:** 2015-08-12
- **State:** MD
- **EPA docket:** EPA-R03-OAR-2014-0833
## Abstract

The Environmental Protection Agency (EPA) is approving a State Implementation Plan (SIP) revision submitted on August 22, 2013 by the Maryland Department of the Environment (MDE) on behalf of the State of Maryland. This revision pertains to Maryland's major nonattainment New Source Review (NSR) program, notably preconstruction permitting requirements for sources of fine particulate matter (PM<INF>2.5</INF>). This action is being taken under the Clean Air Act (CAA).

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2015/07/13/2015-16918/approval-and-promulgation-of-air-quality-implementation-plans-maryland-preconstruction)
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