# Approval and Promulgation of Air Quality Implementation Plans; Maryland; State Board Requirements
> **Rule** · Direct final rule. · Published 2016-05-02 · Effective 2016-07-01 · 81 FR 26133
## Document
- **Document number:** 2016-09438
- **Category:** air-emissions
- **Federal Register citation:** 81 FR 26133
- **CFR reference:** 40 CFR 52
- **Publication date:** 2016-05-02
- **Effective date:** 2016-07-01
- **State:** MD
- **EPA docket:** EPA-R03-OAR-2016-0127
## Abstract

The Environmental Protection Agency (EPA) is taking direct final action to approve revisions to the Maryland State Implementation Plan (SIP). The SIP revision removes the current SIP approved state board requirements and replaces them with an updated version of the requirements. The new provisions continue to address state board requirements for all the National Ambient Air Quality Standards (NAAQS). The revision is being done because the Maryland legislature revised Maryland's statutory requirements related to state boards and the State wants the most recent version in its SIP. EPA is approving these revisions to state board requirements in accordance with the requirements of the Clean Air Act (CAA).

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2016/05/02/2016-09438/approval-and-promulgation-of-air-quality-implementation-plans-maryland-state-board-requirements)
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