# Revisions to the California State Implementation Plan, Great Basin Unified Air Pollution Control District and Mojave Desert Air Quality Management District
> **Rule** · Direct final rule. · Published 2007-10-31 · Effective 2007-12-31 · 72 FR 61525
## Document
- **Document number:** E7-21318
- **Category:** air-emissions
- **Federal Register citation:** 72 FR 61525
- **CFR reference:** 40 CFR 52
- **Publication date:** 2007-10-31
- **Effective date:** 2007-12-31
- **State:** CA
- **EPA docket:** EPA-R09-OAR-2007-0459
## Abstract

EPA is taking direct final action to approve revisions to the Great Basin Unified Air Pollution Control District (GBUAPCD) and Mojave Desert Air Quality Management District (MDAQMD) portions of the California State Implementation Plan (SIP). These revisions concern particulate matter (PM-10) emissions from wood burning appliances and open outdoor fires. We are approving local rules under the Clean Air Act as amended in 1990 (CAA or the Act).

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2007/10/31/E7-21318/revisions-to-the-california-state-implementation-plan-great-basin-unified-air-pollution-control)
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