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: May 16, 2025
Title 40 - Protection of Environment last revised: Nov 16, 2025
All Titles
Title 40
Chapter I
Part 239 - PART 239—REQUIREMENTS FOR STATE PERMIT PROGRAM DETERMINATION OF ADEQUACY
Subpart A [§ 239.1 - § 239.2] - Subpart A—General
Subpart B [§ 239.3 - § 239.5] - Subpart B—State Program Application
Subpart C [§ 239.6 - § 239.9] - Subpart C—Requirements for Adequate Permit Programs
Subpart D [§ 239.10 - § 239.13] - Subpart D—Adequacy Determination Procedures
authority:
42 U.S.C. 6912
,
6945
source:
63 FR 57040, Oct. 23, 1998, unless otherwise noted.
.list_box li,p,.cm-search-info,.cm-search-detail,.abt span,.expand-collapse_top
Get the CustomsMobile app!