# Air Plan Approval; Indiana; Particulate Matter Emissions Limits Revision
> **Rule** · Direct final rule. · Published 2016-02-22 · Effective 2016-04-22 · 81 FR 8650
## Document
- **Document number:** 2016-03490
- **Category:** air-emissions
- **Federal Register citation:** 81 FR 8650
- **CFR reference:** 40 CFR 52
- **Publication date:** 2016-02-22
- **Effective date:** 2016-04-22
- **State:** IN
- **EPA docket:** EPA-R05-OAR-2015-0379
## Abstract

Under the Clean Air Act (CAA), the Environmental Protection Agency (EPA) is approving a June 1, 2015, request by Indiana to revise the State Implementation Plan (SIP) to incorporate changes to the particulate matter (PM) rules contained in Title 326 of the Indiana Administrative Code (IAC). This approval affects sources of PM in the state of Indiana.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2016/02/22/2016-03490/air-plan-approval-indiana-particulate-matter-emissions-limits-revision)
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