CFR > Title 40 > Chapter I > Subchapter N > Part 458 > Subpart A CFR > Title 40 > Chapter I > Subchapter N > Part 458 > Subpart A – Carbon Black Furnace Process Subcategory Current as of: 2024 | Check for updates | Other versions § 458.10 Applicability; description of the carbon black furnace process subcategory § 458.11 Specialized definitions § 458.13 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable § 458.15 Standards of performance for new sources § 458.16 Pretreatment standards for new sources