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