40 CFR § 143.10 - § 143.10 Applicability and scope.

---
identifier: "/us/cfr/t40/s143.10"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "40 CFR § 143.10 - §  143.10   Applicability and scope."
title_number: 40
title_name: "Protection of Environment"
section_number: "143.10"
section_name: "§  143.10   Applicability and scope."
chapter_name: "ENVIRONMENTAL PROTECTION AGENCY"
subchapter_number: "D"
subchapter_name: "WATER PROGRAMS"
part_number: "143"
part_name: "OTHER SAFE DRINKING WATER ACT REGULATIONS"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
authority: "42 U.S.C. 300f"
regulatory_source: "44 FR 42198, July 19, 1979, unless otherwise noted."
cfr_part: "143"
---


# 143.10 §  143.10   Applicability and scope.

(a) This subpart establishes regulations pertaining to pipes, pipe or plumbing fittings, or fixtures, solder and flux, pursuant to, *inter alia,* sections 1417 and 1461 of the Safe Drinking Water Act (42 U.S.C. 300g-6 and 300j-21). It applies to any person who introduces these products into commerce, such as manufacturers, importers, wholesalers, distributors, re-sellers, and retailers. It also applies to any person who uses these products in the installation or repair of:

(1) A public water system; or

(2) A residential or nonresidential facility providing water for human consumption.

(b) [Reserved]