The PORS O/O shall cause all gate valves in the PORS to be fully turned at least once every 12 months, timed to coincide with periods of minimum consumer usage.
N.H. Code Admin. R. Env-Dw 1206.08
#9572, INTERIM, eff 10-21-09, EXPIRES: 4-19-10; ss by #9660, eff 2-24-10