CFR›Title 40›Chapter I›Part 63›Subpart GGGGGG›Subject Group Other Requirements and Information ContainsSections 63.11167–63.11168; Appendix Table 1 to Subpart GGGGGG of Part 63CorpusDaily eCFRDisplayed edition2026-08-24Last updated2026-08-24 Contents 63.11167 § 63.11167 What definitions apply to this subpart? 63.11168 § 63.11168 Who implements and enforces this subpart? Table 1 to Subpart GGGGGG of Part 63 Table 1 to Subpart GGGGGG of Part 63—Applicability of General Provisions to Primary Zinc Production Area Sources Previous Applicability and Compliance Dates Applicability and Compliance Dates Next Primary Beryllium Production Facilities Primary Beryllium Production Facilities