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U.S. Code of Federal Regulations
Regulations most recently checked for updates: Mar 21, 2023
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Title 40
Chapter I
Part 143 - OTHER SAFE DRINKING WATER ACT REGULATIONS
Subpart A [§ 143.1 - § 143.9] - National Secondary Drinking Water Regulations
Subpart B [§ 143.10 - § 143.20] - Use of Lead Free Pipes, Fittings, Fixtures, Solder, and Flux for Drinking Water
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