U.S. Code of Federal Regulations

Regulations most recently checked for updates: Aug 27, 2025

All TitlesTitle 40Chapter IPart 61Subpart A - Subpart A—General Provisions
§ 61.01 - Lists of pollutants and applicability of part 61.
§ 61.02 - Definitions.
§ 61.03 - Units and abbreviations.
§ 61.04 - Address.
§ 61.05 - Prohibited activities.
§ 61.06 - Determination of construction or modification.
§ 61.07 - Application for approval of construction or modification.
§ 61.08 - Approval of construction or modification.
§ 61.09 - Notification of startup.
§ 61.10 - Source reporting and waiver request.
§ 61.11 - Waiver of compliance.
§ 61.12 - Compliance with standards and maintenance requirements.
§ 61.13 - Emission tests and waiver of emission tests.
§ 61.14 - Monitoring requirements.
§ 61.15 - Modification.
§ 61.16 - Availability of information.
§ 61.17 - State authority.
§ 61.18 - Incorporations by reference.
§ 61.19 - Circumvention.
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