U.S. Code of Federal Regulations

Regulations most recently checked for updates: Sep 16, 2025

All TitlesTitle 30Chapter IPart 33Subpart A - Subpart A—General Provisions
§ 33.1 - Purpose.
§ 33.2 - Definitions.
§ 33.3 - Consultation.
§ 33.4 - Types of dust collectors for which certificates of approval may be granted.
§ 33.5 - [Reserved]
§ 33.6 - Application procedures and requirements.
§ 33.7 - Date for conducting tests.
§ 33.8 - Conduct of investigations, tests, and demonstrations.
§ 33.9 - Certification of dust-collecting systems.
§ 33.10 - Certificates of approval or performance.
§ 33.11 - Approval plates.
§ 33.12 - Changes after certification.
§ 33.13 - Withdrawal of certification.
© 2016 GovRegs | About | Disclaimer | Privacy