# Approval and Promulgation of Implementation Plans; Arkansas; New Mexico; Oklahoma; Disapproval of Greenhouse Gas Biomass Deferral, Step 2 and Minor Source Permitting Requirements
> **Rule** · Final rule. · Published 2016-05-23 · Effective 2016-06-22 · 81 FR 32239
## Document
- **Document number:** 2016-11965
- **Category:** air-emissions
- **Federal Register citation:** 81 FR 32239
- **CFR reference:** 40 CFR 52
- **Publication date:** 2016-05-23
- **Effective date:** 2016-06-22
- **State:** AR
- **EPA docket:** EPA-R06-OAR-2015-0783
## Abstract

The Environmental Protection Agency (EPA) is disapproving severable portions of the February 6, 2012 Oklahoma State Implementation Plan (SIP) submittal that are inconsistent with federal laws based on recent decisions by the United States Courts and subsequent EPA rulemaking. This submittal established Minor New Source Review permitting requirements for greenhouse gas (GHG) emissions and includes Prevention of Significant Deterioration (PSD) permitting provisions for sources that are classified as major, and, thus, required to obtain a PSD permit, based solely on their potential GHG emissions. The PSD permitting provisions also require a PSD permit for modifications of otherwise major sources because they increased only GHG emissions above applicable levels. Additionally, we are disapproving severable portions of SIP submittals for the States of Arkansas, New Mexico, and Oklahoma addressing the EPA's July 20, 2011 rule deferring PSD requirements for carbon dioxide (CO<INF>2</INF>) emissions from bioenergy and other biogenic sources ("Biomass Deferral"). We are disapproving the provisions adopting the Biomass Deferral because they are no longer consistent with federal laws and regulations. The EPA is finalizing this disapproval under section 110 and part C of the Clean Air Act (Act or CAA).

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2016/05/23/2016-11965/approval-and-promulgation-of-implementation-plans-arkansas-new-mexico-oklahoma-disapproval-of)
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