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Regulations last checked for updates: May 12, 2025
Title 40 - Protection of Environment last revised: Apr 12, 2028
All Titles
Title 40
Chapter I
Part 1039
Subpart I - Subpart I—Definitions and Other Reference Information
§ 1039.801 - What definitions apply to this part?
§ 1039.805 - What symbols, acronyms, and abbreviations does this part use?
§ 1039.815 - What provisions apply to confidential information?
§ 1039.820 - How do I request a hearing?
§ 1039.825 -
Appendix Appendix I - Appendix I to Part 1039—Summary of Previous Emission Standards
Appendix Appendix II - Appendix II to Part 1039—Steady-State Duty Cycles
Appendix - Appendixes III-V to Part 1039 [Reserved]
Appendix Appendix VI - Appendix VI to Part 1039—Nonroad Compression-ignition Composite Transient Cycle
authority:
42 U.S.C. 7401-7671q.
source:
69 FR 39213, June 29, 2004, unless otherwise noted.
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