US law
Illinois
Regulations
Title 35 — ENVIRONMENTAL PROTECTION
CHAPTER I: POLLUTION CONTROL BOARD
SUBCHAPTER a: PERMITS AND GENERAL PROVISIONS
Part 203 — MAJOR STATIONARY SOURCES CONSTRUCTION AND MODIFICATION
Subpart R

Illinois · Regulations

Subpart R

4 sections

4 sections

35 Ill. Adm. Code 203.2500Applicability
35 Ill. Adm. Code 203.2510Criteria
35 Ill. Adm. Code 203.2520Requirements
35 Ill. Adm. Code 203.2530Construction Permit

Justis AI

Where legal work gets done. One associate. Everything legal.

Ask about Justis AI

Associate Matters Tabular Review Case Law Digital Twin Memory Interns Studio

Pricing Download app Templates US law US Law API Blog & Insights Feedback Roadmap Changelog Support

All comparisons Justis vs ChatGPT Justis vs Claude Justis vs Gemini

Privacy Policy Terms of Service Cancellation & Refunds

© 2026 Justis AI. All rights reserved.All systems operational

Subpart R | Illinois Regulations | Justis AI