CFR > Title 40 > Chapter I > Subchapter N > Part 429 > Subpart E CFR > Title 40 > Chapter I > Subchapter N > Part 429 > Subpart E – Wet Process Hardboard Subcategory Current as of: 2024 | Check for updates | Other versions § 429.60 Applicability; description of the wet process hardboard subcategory § 429.61 Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT) § 429.64 New source performance standards (NSPS) § 429.65 Pretreatment standards for existing sources (PSES) § 429.66 Pretreatment standards for new sources (PSNS)