PART 74--COAL MINE DUST PERSONAL SAMPLER UNITS
Subpart A—General
Section
74.1 Purpose.
74.2 Definitions.
Subpart B - Approval Requirements for
Coal Mine Dust Personal Sampler Unit
74.3 Sampler unit.
74.4 Specifications of sampler unit.
74.5 Tests of coal mine dust personal sampler units.
74.6 Quality control.
Subpart C - Requirements for Continuous
Personal Dust Monitors (CPDMs)
74.7 Design and construction requirements.
74.8 Measurement, accuracy, and reliability requirements.
74.9 Quality assurance.
74.10 Operating and maintenance instructions.
74.11 Tests of the continuous personal dust monitor.
Subpart D - General Requirements for All Devices
74.12 Conduct of tests; demonstrations.
74.13 Applications.
74.14 Certificate of approval.
74.15 Approval labels.
74.16 Material required for record.
74.17 Changes after certification.
74.18 Withdrawal of certification.
Authority: 30 U.S.C. 957.