Regulations last checked for updates: May 30, 2026

Title 40 - Protection of Environment last revised: Aug 30, 2026
All TitlesTitle 40Chapter IPart 265Subpart FFAppendix Appendix III - Appendix III to Part 265—EPA Interim Primary Drinking Water Standards
Collapse to view onlyAppendix Appendix III - Appendix III to Part 265—EPA Interim Primary Drinking Water Standards
Table of Contents

authority: 42 U.S.C. 6905,6906,6912,6922,6923,6924,6925,6935,6936,6937,and
source: 45 FR 33232, May 19, 1980, unless otherwise noted.
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