Code of Federal Regulations (Last Updated: November 8, 2024) |
Title 40 - Protection of Environment |
Chapter I - Environmental Protection Agency |
SubChapter N - Effluent Guidelines and Standards |
Part 421 - Nonferrous Metals Manufacturing Point Source Category |
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] |