Subchapter IV - Primary Copper Smelting
- Section NR 274.04 - Applicability; description of the primary copper smelting subcategory
- Section NR 274.041 - Specialized definitions
- Section NR 274.0415 - Combining waste streams
- Section NR 274.042 - Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available
- Section NR 274.043 - Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable
- Section NR 274.044 - New source performance standards
- Section NR 274.046 - Pretreatment standards for new sources