Subchapter IV - Zinc Casting Subcategory
- Section NR 256.40 - Applicability; description of the zinc casting subcategory
- Section NR 256.42 - Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available
- Section NR 256.43 - Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable
- Section NR 256.44 - New source performance standards
- Section NR 256.45 - Pretreatment standards for existing sources
- Section NR 256.46 - Pretreatment standards for new sources