Air Plan Approval; Illinois; VOC RACT Requirements for Aerospace Manufacturing and Rework Operations
air-emissions · Rule · Published 2023-04-11 · Effective 2023-05-11 · IL · 88 FR 21490
Document
Document number
2023-07334
Federal Register citation
88 FR 21490
CFR reference
40 CFR 52
Type
Rule
Action
Final rule.
Category
air-emissions
Publication date
2023-04-11
Effective date
2023-05-11
State
IL
EPA docket
EPA-R05-OAR-2021-0294
Abstract
The Environmental Protection Agency (EPA) is approving State Implementation Plan (SIP) rule revisions submitted by the Illinois Environmental Protection Agency (IEPA or Illinois) on April 13, 2021, and supplemented by a Clean Air Act (CAA) section 110(l) demonstration submitted on October 6, 2022. Illinois requests that EPA approve rule revisions related to control of volatile organic compound (VOC) emissions from aerospace manufacturing and rework facilities into Illinois' SIP. These rule revisions are consistent with the Control Techniques Guidelines (CTG) for Aerospace Manufacturing and Rework Operations published by EPA in 1997, generally used to meet Reasonably Available Control Technology (RACT) requirements, and serve as SIP strengthening measures for aerospace facilities located in the Illinois portion of the St. Louis nonattainment area (Metro-East area). The Metro-East area consists of Madison, Monroe, and St. Clair counties in Illinois. EPA proposed to approve this action on January 10, 2023, and received no adverse comments.