REGULATIONS
Rulings
AD/CVD
Notices
HTSUS
U.S. Code
Regs
More
Ports
About
Updates
Apps
Larger font
Smaller font
SEARCH
Sort by Rank
Titles Ascending
Titles Descending
10 per page
25 Result/page
50 Result/page
Regulations last checked for updates: Jul 08, 2025
Title 40 - Protection of Environment last revised: Nov 08, 2025
All Titles
Title 40
Chapter I
Part 415
Subpart AW - Subpart AW—Oxygen and Nitrogen Production Subcategory
§ 415.490 - Applicability; description of the oxygen and nitrogen production subcategory.
§ 415.491 - Specialized definitions. [Reserved]
§ 415.492 - Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT).
source:
47 FR 28278, June 29, 1982, unless otherwise noted.
.list_box li,p,.cm-search-info,.cm-search-detail,.abt span,.expand-collapse_top
Get the CustomsMobile app!