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 449
Subpart A - Subpart A—Airport Deicing Category
§ 449.1 - Applicability.
§ 449.2 - General definitions.
§ 449.10 - Effluent limitations representing the best available technology economically achievable (BAT).
§ 449.11 - New source performance standards (NSPS).
§ 449.20 - Monitoring, reporting and recordkeeping requirements.
Download the GovRegs app!