CFR > Title 40 > Chapter I > Subchapter N > Part 415 > Subpart AY CFR > Title 40 > Chapter I > Subchapter N > Part 415 > Subpart AY – Potassium Iodide Production Subcategory Current as of: 2024 | Check for updates | Other versions § 415.510 Applicability; description of the potassium iodide production subcategory § 415.511 Specialized definitions § 415.512 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT)