U.S. Code of Federal Regulations

Regulations most recently checked for updates: Aug 27, 2025

All TitlesTitle 40Chapter IPart 63Subpart FFFFFF - Subpart FFFFFF—National Emission Standards for Hazardous Air Pollutants for Secondary Copper Smelting Area Sources

APPLICABILITY AND COMPLIANCE DATES
§ 63.11153 - Am I subject to this subpart?
§ 63.11154 - What are my compliance dates?

STANDARDS AND COMPLIANCE REQUIREMENTS
§ 63.11155 - What are the standards and compliance requirements for new sources?
§ 63.11156 - [Reserved]

OTHER REQUIREMENTS AND INFORMATION
§ 63.11157 - What General Provisions apply to this subpart?
§ 63.11158 - What definitions apply to this subpart?
§ 63.11159 - Who implements and enforces this subpart?
Appendix - Table 1 to Subpart FFFFFF of Part 63—Applicability of General Provisions to Subpart FFFFFF
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