Subchapter IX - Zirconium-Hafnium
- Section NR 273.09 - Applicability; description of the zirconium-hafnium subcategory
- Section NR 273.091 - Discharge prohibitions
- Section NR 273.092 - Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available
- Section NR 273.093 - Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable
- Section NR 273.094 - New source performance standards
- Section NR 273.095 - Pretreatment standards for existing sources
- Section NR 273.096 - Pretreatment standards for new sources