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Regulations last checked for updates: Feb 22, 2025
Title 40 - Protection of Environment last revised: Nov 22, 2025
All Titles
Title 40
Chapter I
Part 423
Appendix Appendix A - Appendix A to Part 423—126 Priority Pollutants
Collapse to view onlyAppendix Appendix A - Appendix A to Part 423—126 Priority Pollutants
Table of Contents
authority:
33 U.S.C. 1251
source:
47 FR 52304, Nov. 19, 1982, unless otherwise noted.
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