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: Sep 10, 2026
Title 40 - Protection of Environment last revised: Sep 08, 2026
All Titles
Title 40
Chapter I
Part 450 -
Subpart A [§ 450.10 - § 450.11] - Subpart A—General Provisions
Subpart B [§ 450.21 - § 450.24] - Subpart B—Construction and Development Effluent Guidelines
authority:
33 U.S.C. 1311
,
1312
,
1314
,
1316
,
1341
,
1342
,
1361
source:
74 FR 63057, Dec. 1, 2009, unless otherwise noted.
.list_box li,p,.cm-search-info,.cm-search-detail,.abt span,.expand-collapse_top
Get the CustomsMobile app!