Regulations last checked for updates: Oct 30, 2025

Title 40 - Protection of Environment last revised: Sep 30, 2029
All TitlesTitle 40Chapter IPart 1054Subpart IAppendix Appendix B - Appendix B to Part 1054—Duty Cycles for Laboratory Testing
Collapse to view onlyAppendix Appendix B - Appendix B to Part 1054—Duty Cycles for Laboratory Testing
Table of Contents

authority: 42 U.S.C. 7401-7671q.
source: 73 FR 59259, Oct. 8, 2008, unless otherwise noted.
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