CFR > Title 40 > Chapter I > Subchapter N > Part 435 > Subpart C CFR > Title 40 > Chapter I > Subchapter N > Part 435 > Subpart C – Onshore Subcategory Current as of: 2024 | Check for updates | Other versions § 435.30 Applicability; description of the onshore subcategory § 435.31 Specialized definitions § 435.32 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available § 435.33 Pretreatment standards for existing sources (PSES) § 435.34 Pretreatment standards for new sources (PSNS)