Code of Federal Regulations
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30 CFR Mineral Resources
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I Mine Safety and Health ...
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B Testing, Evaluation, an...
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7 Testing By Applicant Or...
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Subpart L —
Refuge Alternatives
§7.501 —
Purpose and scope
§7.502 —
Definitions
§7.503 —
Application requirements
§7.504 —
Refuge alternatives and components; general requirements
§7.505 —
Structural components
§7.506 —
Breathable air components
§7.507 —
Air-monitoring components
§7.508 —
Harmful gas removal components
§7.509 —
Approval markings
§7.510 —
New technology