# Approval of Arizona Air Plan Revisions, Arizona Department of Environmental Quality
> **Rule** · Final rule. · Published 2018-02-22 · Effective 2018-03-26 · 83 FR 7614
## Document
- **Document number:** 2018-03526
- **Category:** air-emissions
- **Federal Register citation:** 83 FR 7614
- **CFR reference:** 40 CFR 52
- **Publication date:** 2018-02-22
- **Effective date:** 2018-03-26
- **State:** AZ
- **EPA docket:** EPA-R09-OAR-2017-0468
## Abstract

The Environmental Protection Agency (EPA) is taking final action to approve a revision to the Arizona Department of Environmental Quality (ADEQ) portion of the Arizona State Implementation Plan (SIP). This revision concerns emissions of lead-bearing fugitive dust from roads, storage piles and other activities associated with the primary copper smelter located in Hayden, Arizona. We are approving a state rule and associated appendix to regulate these emissions under the Clean Air Act (CAA or the Act).

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2018/02/22/2018-03526/approval-of-arizona-air-plan-revisions-arizona-department-of-environmental-quality)
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