U.S. Code of Federal Regulations

Regulations most recently checked for updates: May 25, 2025

All TitlesTitle 40Chapter IPart 63Subpart A - Subpart A—General Provisions
§ 63.1 - Applicability.
§ 63.2 - Definitions.
§ 63.3 - Units and abbreviations.
§ 63.4 - Prohibited activities and circumvention.
§ 63.5 - Preconstruction review and notification requirements.
§ 63.6 - Compliance with standards and maintenance requirements.
§ 63.7 - Performance testing requirements.
§ 63.8 - Monitoring requirements.
§ 63.9 - Notification requirements.
§ 63.10 - Recordkeeping and reporting requirements.
§ 63.11 - Control device and work practice requirements.
§ 63.12 - State authority and delegations.
§ 63.13 - Addresses of State air pollution control agencies and EPA Regional Offices.
§ 63.14 - Incorporations by reference.
§ 63.15 - Availability of information and confidentiality.
§ 63.16 - Performance Track Provisions.
Appendix - Table 1 to Subpart A of Part 63—Detection Sensitivity Levels (grams per hour)
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