Subchapter XLVII - Nickel salts
- Section NR 230.47 - Applicability; description of the nickel salts subcategory
- Section NR 230.472 - Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available
- Section NR 230.473 - Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable
- Section NR 230.474 - New source performance standards
- Section NR 230.475 - Pretreatment standards for existing sources
- Section NR 230.476 - Pretreatment standards for new sources
- Section NR 230.477 - Effluent limitations representing the degree of effluent reduction attainable by the application of the best conventional pollutant control technology