Subchapter II - Copper Casting Subcategory
- Section NR 256.20 - Applicability; description of the copper casting subcategory
- Section NR 256.22 - Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available
- Section NR 256.23 - Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable
- Section NR 256.24 - New source performance standards
- Section NR 256.25 - Pretreatment standards for existing sources
- Section NR 256.26 - Pretreatment standards for new sources