Section Env-Ws 381.19 - Lead and Copper After Installation of Corrosion Control and Source Water Treatment(a) A large system in operation since January 1, 1992, which installs optimal corrosion control treatment pursuant to Env-Ws 381.07 shall monitor during 2 consecutive 6-month monitoring periods by the date specified in 40 CFR 141.81(d)(5).(b) A small or medium-size system in operation since January 1, 1992, which installs optimal corrosion control treatment pursuant to Env-Ws 381.08 shall monitor during 2 consecutive 6-month monitoring periods by the date specified in 40 CFR 141.81(e)(6).(c) A system owner installing source treatment pursuant to Env-Ws 381.11(d) shall collect an additional source water sample from each entry point to the distribution system during 2 consecutive 6-month monitoring periods by the deadline specified Env-Ws 381.11(e).N.H. Admin. Code § Env-Ws 381.19
(See Revision Note at chapter heading for Env-Ws 300) #6521, eff 6-4-97, ss by #7734, eff 8-2-02