Subchapter XXXIII - Primary Zirconium and Hafnium
- Section NR 274.33 - Applicability; description of the primary zirconium and hafnium subcategory
- Section NR 274.332 - Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available
- Section NR 274.333 - Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable
- Section NR 274.334 - New source performance standards
- Section NR 274.336 - Pretreatment standards for new sources