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U.S. Code of Federal Regulations
Regulations most recently checked for updates: Sep 16, 2025
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Title 30
Chapter I
Part 74 - PART 74—COAL MINE DUST SAMPLING DEVICES
Subpart A [§ 74.1 - § 74.2] - Subpart A—General
Subpart B [§ 74.3 - § 74.6] - Subpart B—Approval Requirements for Coal Mine Dust Personal Sampler Unit
Subpart C [§ 74.7 - § 74.11] - Subpart C—Requirements for Continuous Personal Dust Monitors
Subpart D [§ 74.12 - § 74.18] - Subpart D—General Requirements for All Devices
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