Ariz. Admin. Code § R18-5-504
Construction materials used in a public water system, including residential and non-residential facilities connected to the public water system, shall be lead-free as defined at R18-4-101. This Section shall not apply to leaded joints necessary for the repair of cast iron pipes.
Section recodified from R18-4-504 at 10 A.A.R. 585, effective January 30, 2004 (Supp. 04-1).