CFR > Title 40 > Chapter I > Subchapter N > Part 436 > Subpart Y CFR > Title 40 > Chapter I > Subchapter N > Part 436 > Subpart Y – Jade Subcategory Current as of: 2024 | Check for updates | Other versions § 436.250 Applicability; description of the jade subcategory § 436.251 Specialized definitions § 436.252 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available