U.S. Code
Regulations
Constitution
Sort by Rank
Titles Ascending
Titles Descending
10 per page
25 Result/page
50 Result/page
x
Search
Search guide
U.S. Code of Federal Regulations
Regulations most recently checked for updates: Aug 28, 2025
All Titles
Title 42
Chapter I
Part 84
Subpart A - Subpart A—General Provisions
§ 84.1 - Purpose.
§ 84.2 - Definitions.
§ 84.3 - Respirators for mine rescue or other emergency use in mines.
Download the GovRegs app!
