CFR > Title 40 > Chapter I > Subchapter N > Part 429 > Subpart G CFR > Title 40 > Chapter I > Subchapter N > Part 429 > Subpart G – Wood Preserving Steam Subcategory Current as of: 2024 | Check for updates | Other versions § 429.80 Applicability; description of the wood preserving–steam subcategory § 429.81 Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT) § 429.84 New source performance standards (NSPS) § 429.85 Pretreatment standards for existing sources (PSES) § 429.86 Pretreatment standards for new sources (PSNS)