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Title 30 - Mineral Resources
Chapter I - MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR
Subchapter O - COAL MINE SAFETY AND HEALTH
Part 70 - MANDATORY HEALTH STANDARDS—UNDERGROUND COAL MINES
30 CFR Subpart B
30 CFR Subpart B
Dust Standards
July 29, 2020
§
70.100
Respirable dust standards
§
70.101
Respirable dust standard when quartz is present
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