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title 30
Mineral Resources
chapter I
CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR
part 74
PART 74—COAL MINE DUST SAMPLING DEVICES
subpart B
Subpart B—Approval Requirements for Coal Mine Dust Personal Sampler Unit
Subpart B. 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.
