Subchapter III - The Extrusion Subcategory
- § NR 257.30 - Applicability; description of the extrusion subcategory
- § NR 257.31 - Specialized definitions
- § NR 257.32 - Effluent limitations representing the degree of effluent reduction attainable by application of the best practicable control technology currently available
- § NR 257.33 - Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable
- § NR 257.34 - New source performance standards
- § NR 257.35 - Pretreatment standards for existing sources
- § NR 257.36 - Pretreatment standards for new sources
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