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Regulations last checked for updates: May 21, 2025
Title 40 - Protection of Environment last revised: Apr 21, 2028
All Titles
Title 40
Chapter I
Part 143 - PART 143—OTHER SAFE DRINKING WATER ACT REGULATIONS
Subpart A [§ 143.1 - § 143.9] - Subpart A—National Secondary Drinking Water Regulations
Subpart B [§ 143.10 - § 143.20] - Subpart B—Use of Lead Free Pipes, Fittings, Fixtures, Solder, and Flux for Drinking Water
authority:
42 U.S.C. 300f
source:
44 FR 42198, July 19, 1979, unless otherwise noted.
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