30 CFR Subpart A
General Provisions
July 29, 2020
§
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
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