Code of Federal Regulations · Subpart
Subpart B — Primary Aluminum Smelting Subcategory
40 C.F.R. pt. 421, subpt. B
- § 421.20 Applicability: Description Of The Primary Aluminum Smelting Subcategory
- § 421.21 Specialized Definitions
- § 421.22 Effluent Limitations Guidelines Representing The Degree Of Effluent Reduction Attainable By The Application Of The Best Practicable Control Technology Currently Available
- § 421.23 Effluent Limitations Guidelines Representing The Degree Of Effluent Reduction Attainable By The Application Of The Best Available Technology Economically Achievable
- § 421.24 Standards Of Performance For New Sources
- § 421.25 [reserved]
- § 421.26 Pretreatment Standards For New Sources
- § 421.27 [reserved]