CFR›Title 40›Chapter I›Part 413›Subpart H ContainsSections 413.80–413.84CorpusDaily eCFRDisplayed edition2026-04-27Last updated2026-04-27 Subpart H—Printed Circuit Board Subcategory Sections 413.80 § 413.80 Applicability: Description of the printed circuit board subcategory. 413.81 § 413.81 Specialized definitions. 413.82-413.83 §§ 413.82-413.83 [Reserved] 413.84 § 413.84 Pretreatment standards for existing sources. Previous General Provisions General Provisions