CFR > Title 40 > Chapter I > Subchapter N > Part 413 > Subpart E CFR > Title 40 > Chapter I > Subchapter N > Part 413 > Subpart E – Coatings Subcategory Current as of: 2024 | Check for updates | Other versions § 413.50 Applicability: Description of the coatings subcategory § 413.51 Specialized definitions § 413.54 Pretreatment standards for existing sources