Section Env-Dw 403.02 - Prohibition on Use of Lead Pipes, Solder, and Flux(a) All pipe, solder, or flux used in or on drinking water plumbing shall be lead-free as defined by (e), below.(b) Unless excluded under (c), below, this section shall apply to the installation or repair of: (1) Any public water system; and(2) Any plumbing in a residential or non-residential facility providing water for human consumption that is connected to a public water system.(c) This section shall not apply to: (1) Leaded joints necessary for the repair of cast iron pipes;(2) Pipes, pipe fittings, plumbing fittings, or fixtures, including backflow preventers, that are used exclusively for non-potable water services such as manufacturing, industrial processing, irrigation, outdoor watering, or any other uses where the water is not expected to be used for human consumption; and(3) Toilets, bidets, urinals, fill valves, flushometer valves, tub fillers, shower valves, fire hydrants, service saddles, or water distribution main gate valves that are 2 inches in diameter or larger.(d) The requirements of (a), above, shall apply notwithstanding any contrary provision in the state or local plumbing codes or the rules of the state mechanical licensing board.(e) For purposes of this section, the term "lead-free" means: (1) When used with respect to solders and flux, containing not more than 0.2 percent lead; and(2) When used with respect to pipes and pipe fittings, containing not more than a weighted average of 0.25 percent lead calculated across the wetted surfaces.N.H. Code Admin. R. Env-Dw 403.02
(See Revision Note at part heading for Env-Dw 403) #10610, eff 6-1-14
Amended by Volume XXXVII Number 23, Filed June 8, 2017, Proposed by #12181, Effective 5/23/2017, Expires 5/23/2027.