REGULATIONS
Rulings
AD/CVD
Notices
HTSUS
U.S. Code
Regs
More
Ports
About
Updates
Apps
Larger font
Smaller font
CustomsMobile Pro
beta now open!
Apply for a FREE beta account. Spaces are limited so apply today.
SIGNUP FOR BETA
SEARCH
Sort by Rank
Titles Ascending
Titles Descending
10 per page
25 Result/page
50 Result/page
Regulations last checked for updates: Jun 17, 2025
Title 40 - Protection of Environment last revised: Nov 17, 2025
All Titles
Title 40
Chapter I
Part 1054
Subpart F - Subpart F—Test Procedures
§ 1054.501 - How do I run a valid emission test?
§ 1054.505 - How do I test engines?
§ 1054.520 - What testing must I perform to establish deterioration factors?
authority:
42 U.S.C. 7401-7671q.
source:
73 FR 59259, Oct. 8, 2008, unless otherwise noted.
.list_box li,p,.cm-search-info,.cm-search-detail,.abt span,.expand-collapse_top
Get the CustomsMobile app!