"Bed" means the portion of an effluent disposal area that contains the effluent conduits and the sand, septic stone, or other materials, or any combination thereof, that are integral to the dispersal of effluent from the conduits.
N.H. Admin. Code § Env-Wq 1002.06
(See Revision Note at chapter heading for Env-Wq 1000) #9086, eff 2-9-08