# Air Plan Approval; Alabama: PSD Replacement Units
> **Rule** · Withdrawal of direct final rule. · Published 2017-10-12 · Effective 2017-10-12 · 82 FR 47397
## Document
- **Document number:** 2017-21940
- **Category:** other
- **Federal Register citation:** 82 FR 47397
- **CFR reference:** 40 CFR 52
- **Publication date:** 2017-10-12
- **Effective date:** 2017-10-12
- **State:** AL
- **EPA docket:** EPA-R04-OAR-2017-0371
## Abstract

Due to the receipt of adverse comments, the Environmental Protection Agency (EPA) is withdrawing the August 24, 2017, direct final rule that approves an Alabama state implementation plan (SIP) revision related to the Prevention of Significant Deterioration (PSD) permitting regulations. EPA will address the comments in a subsequent final action based upon the proposed rulemaking action, also published on August 24, 2017. EPA will not institute a second comment period on this action.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2017/10/12/2017-21940/air-plan-approval-alabama-psd-replacement-units)
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