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 27, 2025
All Titles
Title 40
Chapter I
Part 63
Subpart I - Subpart I—National Emission Standards for Hazardous Air Pollutants for Certain Processes Subject to the Negotiated Regulation for Equipment Leaks
§ 63.190 - Applicability and designation of source.
§ 63.191 - Definitions.
§ 63.192 - Standard.
§ 63.193 - Implementation and enforcement.
Download the GovRegs app!
