Subchapter II - Electronic Crystals Subcategory
- Section NR 264.20 - Applicability; description of the electronic crystals subcategory
- Section NR 264.21 - Specialized definitions
- Section NR 264.22 - Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available
- Section NR 264.23 - Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable
- Section NR 264.24 - New source performance standards
- Section NR 264.25 - Pretreatment standards for existing sources
- Section NR 264.26 - Pretreatment standards for new sources
- Section NR 264.27 - Effluent limitations representing the degree of effluent reduction attainable by the application of the best conventional pollutant control technology