Energy & environment · 27/01/1994Updated: 10/15/2026 · 1 min read
Approval and Promulgation of Implementation Plan; Illinois
The Environmental Protection Agency (EPA) proposed rulemaking in response to a Petition for Reconsideration filed by Stepan Company regarding the Chicago Federal Implementation Plan for Ozone. The public comment period has been extended until February 15, 1994, at Stepan's request.