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