U.S. Code of Federal Regulations

Regulations most recently checked for updates: Oct 07, 2025

All TitlesTitle 40Chapter IPart 63Subpart OOOOOO - Subpart OOOOOO—National Emission Standards for Hazardous Air Pollutants for Flexible Polyurethane Foam Production and Fabrication Area Sources

APPLICABILITY AND COMPLIANCE DATES
§ 63.11414 - Am I subject to this subpart?
§ 63.11415 - What are my compliance dates?

STANDARDS AND COMPLIANCE REQUIREMENTS
§ 63.11416 - What are the standards for new and existing sources?
§ 63.11417 - What are the compliance requirements for new and existing sources?

OTHER REQUIREMENTS AND INFORMATION
§ 63.11418 - What General Provisions apply to this subpart?
§ 63.11419 - What definitions apply to this subpart?
§ 63.11420 - Who implements and enforces this subpart?
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