# Revisions to the California State Implementation Plan, Mojave Desert Air Quality Management District
> **Rule** · Direct final rule. · Published 2003-02-27 · Effective 2003-04-28 · 68 FR 9015
## Document
- **Document number:** 03-4513
- **Category:** air-emissions
- **Federal Register citation:** 68 FR 9015
- **CFR reference:** 40 CFR 52
- **Publication date:** 2003-02-27
- **Effective date:** 2003-04-28
- **State:** CA
- **EPA docket:** CA 269-0382a
## Abstract

EPA is taking direct final action to approve revisions to the Mojave Desert Air Quality Management District (MDAQMD) portion of the California State Implementation Plan (SIP). These revisions concern Oxides of Nitrogen (NO<INF>X</INF>) emissions from Portland cement kilns. We are approving a local rule that regulates these emission sources under the Clean Air Act as amended in 1990 (CAA or the Act).

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2003/02/27/03-4513/revisions-to-the-california-state-implementation-plan-mojave-desert-air-quality-management-district)
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