# Air Plan Approval; Illinois; 2015 Ozone Moderate and Serious Reasonably Available Control Technology Update

**Action Urgency Score:** 20/100

| Field | Value |
|---|---|
| Agency | Environmental Protection Agency |
| Type | Proposed rule |
| Action | Proposed rule. |
| Published | 2026-08-06 |
| Comments close | 2026-09-08 |
| Significant | No |
| CFR parts | 40 CFR 52 |
| Summary | The U.S. Environmental Protection Agency (EPA) is proposing to approve revisions to 35 Illinois Administrative Code (IAC) parts 217, 218, and 219 into the Illinois State Implementation Plan (SIP). The Illinois Environmental Protection Agency (Illinois or Illinois EPA) submitted these revisions on December 18, 2024, and May 12, 2025, supplemented their submittal on August 13, 2025, for Moderate Reasonably Available Control Technology (RACT). The EPA is proposing to approve 35 IAC parts 217, 218, and 219 as satisfying the Moderate Volatile Organic Compound (VOC) RACT and NO<INF>X</INF> RACT requ |
| Document number | 2026-16001 |

## Why this score


Source: Federal Register API (Office of the Federal Register) (https://www.federalregister.gov/documents/2026/08/06/2026-16001/air-plan-approval-illinois-2015-ozone-moderate-and-serious-reasonably-available-control-technology). Last refreshed: 2026-11-03T19:10:06.902Z.
Data from the Federal Register API; the published Federal Register document is authoritative. Informational only, not legal advice.