# Revisions to the Nevada State Implementation Plan, Washoe County District Health Department
> **Rule** · Direct final rule. · Published 2007-06-18 · Effective 2007-08-17 · 72 FR 33397
## Document
- **Document number:** E7-11578
- **Category:** air-emissions
- **Federal Register citation:** 72 FR 33397
- **CFR reference:** 40 CFR 52
- **Publication date:** 2007-06-18
- **Effective date:** 2007-08-17
- **State:** NV
- **EPA docket:** EPA-R09-OAR-2006-0619
## Abstract

EPA is taking direct final action to approve revisions to the Washoe County District Health Department (WCDHD) portion of the Nevada State Implementation Plan (SIP). These revisions concern opacity, emissions of carbon monoxide (CO) and particulate matter (PM) from wood stoves and fireplaces, and air emergency episode plans. We are approving local rules that help regulate emission sources under the Clean Air Act as amended in 1990 (CAA or the Act).

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2007/06/18/E7-11578/revisions-to-the-nevada-state-implementation-plan-washoe-county-district-health-department)
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