Subchapter XXV - Primary Precious Metals and Mercury
- Section NR 274.25 - Applicability; description of the primary precious metals and mercury subcategory
- Section NR 274.252 - Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available
- Section NR 274.253 - Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable
- Section NR 274.254 - New source performance standards
- Section NR 274.256 - Pretreatment standards for new sources