# Approval and Promulgation of Air Quality Implementation Plans; Maine; Regional Haze
> **Rule** · Final rule. · Published 2012-04-24 · Effective 2012-05-24 · 77 FR 24385
## Document
- **Document number:** 2012-9719
- **Category:** air-emissions
- **Federal Register citation:** 77 FR 24385
- **CFR reference:** 40 CFR 52
- **Publication date:** 2012-04-24
- **Effective date:** 2012-05-24
- **State:** ME
- **EPA docket:** EPA-R01-OAR-2010-1043
## Abstract

EPA is approving a revision to the Maine State Implementation Plan (SIP) that addresses regional haze for the first planning period from 2008 through 2018. It was submitted by the Maine Department of Environmental Protection (Maine DEP) on December 9, 2010, with supplemental submittals on September 14, 2011, and November 9, 2011. This revision addresses the requirements of the Clean Air Act (CAA) and EPA's rules that require States to prevent any future, and remedy any existing, manmade impairment of visibility in mandatory Class I Areas caused by emissions of air pollutants from numerous sources located over a wide geographic area (also referred to as the "regional haze program").

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2012/04/24/2012-9719/approval-and-promulgation-of-air-quality-implementation-plans-maine-regional-haze)
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