CFR›Title 40›Chapter I›Part 63›Subpart DDDDDD ContainsSubject groups Applicability and Compliance Dates–Standards and Compliance RequirementsCorpusDaily eCFRDisplayed edition2026-04-27Last updated2026-04-27 Subpart DDDDDD—National Emission Standards for Hazardous Air Pollutants for Polyvinyl Chloride and Copolymers Production Area Sources Subject Groups Applicability and Compliance Dates Applicability and Compliance Dates Sections 63.11140–63.11141 Other Requirements and Information Other Requirements and Information Sections 63.11143–63.11145; Appendices Table 1 to Subpart DDDDDD of Part 63–Table 2 to Subpart DDDDDD of Part 63 Standards and Compliance Requirements Standards and Compliance Requirements Section 63.11142 Source72 FR 2943, Jan. 23, 2007, unless otherwise noted. Previous DDDDD Subpart DDDDD—National Emission Standards for Hazardous Air Pollutants for Major Sources: Industrial, Commercial, and Institutional Boilers and Process Heaters Next DDDDDDD Subpart DDDDDDD—National Emission Standards for Hazardous Air Pollutants for Area Sources: Prepared Feeds Manufacturing
Subpart DDDDDD—National Emission Standards for Hazardous Air Pollutants for Polyvinyl Chloride and Copolymers Production Area Sources