Subchapter IX - Metallurgical Acid Plants
- Section NR 274.09 - Applicability; description of the metallurgical acid plants subcategory
- Section NR 274.092 - Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available
- Section NR 274.093 - Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable
- Section NR 274.094 - New source performance standards
- Section NR 274.095 - Pretreatment standards for existing sources
- Section NR 274.096 - Pretreatment standards for new sources