# Approval and Promulgation of Air Quality Implementation Plans; Maryland; Approval of an Alternative Volatile Organic Compound Emission Standard
> **Rule** · Direct final rule. · Published 2017-08-28 · Effective 2017-11-27 · 82 FR 40715
## Document
- **Document number:** 2017-18086
- **Category:** air-emissions
- **Federal Register citation:** 82 FR 40715
- **CFR reference:** 40 CFR 52
- **Publication date:** 2017-08-28
- **Effective date:** 2017-11-27
- **State:** MD
- **EPA docket:** EPA-R03-OAR-2017-0394
## Abstract

The Environmental Protection Agency (EPA) is taking direct final action to approve a revision to the State of Maryland's state implementation plan (SIP). Maryland requested EPA incorporate by reference into the Maryland SIP a Maryland Department of the Environment (MDE) order that establishes an alternative volatile organic compound (VOC) emission standard for National Gypsum Company (NGC) that will ensure that this source remains a minor stationary source of VOCs. EPA is approving the SIP submittal incorporating by reference MDE's order for NGC in accordance with the requirements of the Clean Air Act (CAA).

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2017/08/28/2017-18086/approval-and-promulgation-of-air-quality-implementation-plans-maryland-approval-of-an-alternative)
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