"State plumbing rules" means rules adopted by the board pursuant to RSA 153:28.
N.H. Admin. Code § Env-Wq 1202.69
#8235, eff 12-22-04 (See Revision Note at chapter heading for Env-Wq 1200) (formerly Env-Ws 1202.69); ss by #9798-A, eff 10-9-10 (from Env-Wq 1202.68)