N.H. Code Admin. R. Env-Or 402.45
“Piping” means an impermeable hollow cylinder or tubular conduit that conveys or transports liquids or vapors, or that is used for venting, filling, or removing liquids or vapors from a tank. The term includes pipe.
Source. (See Revision Note #1 at chapter heading for Env-Or 400) #10393, eff 9-1-13; ss by #12643, eff 10-10-18 (formerly Env-Or 402.36) (See Revision Note #2 at chapter heading for Env-Or 400)