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]