# Approval and Promulgation of Air Quality Implementation Plans; Maryland; Deferral for CO2 Emissions From Bioenergy and Other Biogenic Sources Under the Prevention of Significant Deterioration Program
> **Rule** · Final rule. · Published 2013-02-28 · Effective 2013-04-01 · 78 FR 13497
## Document
- **Document number:** 2013-04145
- **Category:** air-emissions
- **Federal Register citation:** 78 FR 13497
- **CFR reference:** 40 CFR 52
- **Publication date:** 2013-02-28
- **Effective date:** 2013-04-01
- **State:** MD
- **EPA docket:** EPA-R03-OAR-2012-0305
## Abstract

EPA is approving a State Implementation Plan (SIP) revision submitted by the Maryland Department of the Environmental (MDE) on April 4, 2012. This revision defers until July 21, 2014 the application of the Prevention of Significant Deterioration (PSD) permitting requirements to biogenic carbon dioxide (CO<INF>2</INF>) emissions from bioenergy and other biogenic stationary sources in the State of Maryland. This action is being taken under the Clean Air Act (CAA).

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2013/02/28/2013-04145/approval-and-promulgation-of-air-quality-implementation-plans-maryland-deferral-for-co2-emissions)
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