Code of Federal Regulations (Last Updated: November 8, 2024) |
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 |
Subpart B - Dust Standards |
§ 70.100 - Respirable dust standards. |
§ 70.101 - Respirable dust standard when quartz is present. |