# Air Plan Approval; Maryland; Negative Declaration for the Oil and Gas Industry
> **Rule** · Final rule. · Published 2021-09-24 · Effective 2021-10-25 · 86 FR 52993
## Document
- **Document number:** 2021-20494
- **Category:** air-emissions
- **Federal Register citation:** 86 FR 52993
- **CFR reference:** 40 CFR 52
- **Publication date:** 2021-09-24
- **Effective date:** 2021-10-25
- **State:** MD
- **EPA docket:** EPA-R03-OAR-2020-0528
## Abstract

The Environmental Protection Agency (EPA) is approving a state implementation plan (SIP) revision submitted by the State of Maryland. This revision provides Maryland's determination, via a negative declaration, that there are no sources within its borders subject to EPA's 2016 Oil and Natural Gas control techniques guidelines (2016 Oil and Gas CTG). EPA is approving these revisions to the Maryland SIP in accordance with the requirements of the Clean Air Act (CAA).

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2021/09/24/2021-20494/air-plan-approval-maryland-negative-declaration-for-the-oil-and-gas-industry)
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