Part 58 - AMBIENT AIR QUALITY SURVEILLANCE
- Subpart A - GENERAL PROVISIONS (§§ 58.1 — 58.3)
- Subpart B - MONITORING NETWORK (§§ 58.10 — 58.16)
- Subpart C - SPECIAL PURPOSE MONITORS (§ 58.20)
- Subpart D - COMPARABILITY OF AMBIENT DATA TO THE NAAQS (§ 58.30)
- Subpart F - AIR QUALITY INDEX REPORTING (§ 58.50)
- Subpart G - FEDERAL MONITORING (§§ 58.60 — 58.61)
- Appendix F to Part 58 - Reserved
- Appendix A to Part 58 - [Effective 5/6/2024] Quality Assurance Requirements for Monitors used in Evaluations of National Ambient Air Quality Standards
- Appendix A to Part 58 - [Effective until 5/6/2024] Quality Assurance Requirements for Monitors used in Evaluations of National Ambient Air Quality Standards
- Appendix B to Part 58 - [Effective 5/6/2024] Quality Assurance Requirements for Prevention of Significant Deterioration (PSD) Air Monitoring
- Appendix B to Part 58 - [Effective until 5/6/2024] Quality Assurance Requirements for Prevention of Significant Deterioration (PSD) Air Monitoring
- Appendix E to Part 58 - [Effective 5/6/2024] Probe and Monitoring Path Siting Criteria for Ambient Air Quality Monitoring
- Appendix E to Part 58 - [Effective until 5/6/2024] Probe and Monitoring Path Siting Criteria for Ambient Air Quality Monitoring
- Appendix G to Part 58 - [Effective 5/6/2024] Uniform Air Quality Index (AQI) and Daily Reporting
- Appendix G to Part 58 - [Effective until 5/6/2024] Uniform Air Quality Index (AQI) and Daily Reporting
- Appendix C to Part 58 - [Effective 5/6/2024] Ambient Air Quality Monitoring Methodology
- Appendix C to Part 58 - [Effective until 5/6/2024] Ambient Air Quality Monitoring Methodology
- Appendix D to Part 58 - [Effective 5/6/2024] Network Design Criteria for Ambient Air Quality Monitoring
- Appendix D to Part 58 - [Effective until 5/6/2024] Network Design Criteria for Ambient Air Quality Monitoring