CFR > Title 40 > Chapter I > Subchapter N > Part 436 > Subpart AL CFR > Title 40 > Chapter I > Subchapter N > Part 436 > Subpart AL – Graphite Subcategory Current as of: 2024 | Check for updates | Other versions § 436.380 Applicability; description of the graphite subcategory § 436.381 Specialized definitions § 436.382 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available