U.S. Code of Federal Regulations

Regulations most recently checked for updates: Jan 21, 2026

All TitlesTitle 40Chapter IPart 63Subpart QQQQQQ - Subpart QQQQQQ—National Emission Standards for Hazardous Air Pollutants for Wood Preserving Area Sources

APPLICABILITY AND COMPLIANCE DATES
§ 63.11428 - Am I subject to this subpart?
§ 63.11429 - What are my compliance dates?

STANDARDS
§ 63.11430 - What are the standards?
§ 63.11431 - [Reserved]

OTHER REQUIREMENTS AND INFORMATION
§ 63.11432 - What General Provisions apply to this subpart?
§ 63.11433 - What definitions apply to this subpart?
§ 63.11434 - Who implements and enforces this subpart?
Appendix - Table 1 to Subpart QQQQQQ of Part 63—Applicability of General Provisions to Subpart QQQQQQ
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