# Approval and Promulgation of Implementation Plans; Texas; Revisions to Particulate Matter Regulations
> **Rule** · Final rule. · Published 2009-04-28 · Effective 2009-05-28 · 74 FR 19144
## Document
- **Document number:** E9-9539
- **Category:** air-emissions
- **Federal Register citation:** 74 FR 19144
- **CFR reference:** 40 CFR 52
- **Publication date:** 2009-04-28
- **Effective date:** 2009-05-28
- **State:** TX
- **EPA docket:** EPA-R06-OAR-2005-TX-0028
## Abstract

EPA is approving State Implementation Plan (SIP) revisions for the state of Texas. These revisions revise and recodify regulations for control of particulate matter in the Texas SIP. This rulemaking action is being taken under section 110 of the Federal Clean Air Act (CAA).

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2009/04/28/E9-9539/approval-and-promulgation-of-implementation-plans-texas-revisions-to-particulate-matter-regulations)
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