# Revisions to the Arizona State Implementation Plan, Maricopa County Air Quality Department
> **Rule** · Direct final rule. · Published 2014-09-25 · Effective 2014-11-24 · 79 FR 57445
## Document
- **Document number:** 2014-22743
- **Category:** air-emissions
- **Federal Register citation:** 79 FR 57445
- **CFR reference:** 40 CFR 52
- **Publication date:** 2014-09-25
- **Effective date:** 2014-11-24
- **State:** AZ
- **EPA docket:** EPA-R09-OAR-2013-0297
## Abstract

The Environmental Protection Agency (EPA) is taking direct final action to approve a revision to the Maricopa County Air Quality Department (MCAQD) portion of the Arizona State Implementation Plan (SIP). This revision concerns particulate matter (PM) emissions from incinerators, burn-off ovens and crematories. We are approving a local rule that regulates these emission sources under the Clean Air Act (CAA or the Act).

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2014/09/25/2014-22743/revisions-to-the-arizona-state-implementation-plan-maricopa-county-air-quality-department)
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