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: Oct 01, 2023
All Titles
Title 40
Chapter I
Part 421
Subpart AE - Subpart AE—Primary Zirconium and Hafnium Subcategory
§ 421.330 - Applicability: Description of the primary zirconium and hafnium subcategory.
§ 421.331 - Specialized definitions.
§ 421.332 - Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.
§ 421.333 - Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.
§ 421.334 - Standards of performance for new sources.
§ 421.335 - [Reserved]
§ 421.336 - Pretreatment standards for new sources.
§ 421.337 - [Reserved]
Download the GovRegs app!
