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Approval Requirements for Coal Mine Dust Personal Sampler Unit | Midpage
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Code of Federal Regulations
Title 30
Chapter I
Subchapter O
Part 74
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.