30 CFR Part 33 - Subpart A - General Provisions
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- § 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.