Part 204 - PREVENTION OF SIGNIFICANT DETERIORATION
- Subpart A - GENERAL PROVISIONS (§§ 204.100 — 204.120)
- Subpart B - DEFINITIONS (§§ 204.200 — 204.710)
- Subpart C - MAJOR STATIONARY SOURCES IN ATTAINMENT AND UNCLASSIFIABLE AREAS (§§ 204.800 — 204.860)
- Subpart D - INCREMENT (§§ 204.900 — 204.930)
- Subpart E - STACK HEIGHTS (§ 204.1000)
- Subpart F - REQUIREMENTS FOR MAJOR STATIONARY SOURCES AND MAJOR MODIFICATIONS IN ATTAINMENT AND UNCLASSIFIABLE AREAS (§§ 204.1100 — 204.1140)
- Subpart G - ADDITIONAL REQUIREMENTS FOR CLASS I AREAS (§ 204.1200)
- Subpart H - GENERAL OBLIGATIONS OF THE ILLINOIS ENVIRONMENTAL PROTECTION AGENCY (§§ 204.1300 — 204.1340)
- Subpart I - NONAPPLICABILITY RECORDKEEPING AND REPORTING (§ 204.1400)
- Subpart J - INNOVATIVE CONTROL TECHNOLOGY (§ 204.1500)
- Subpart K - PLANTWIDE APPLICABILITY LIMITATION (§§ 204.1600 — 204.1910)