N.H. Code Admin. R. Env-Sw 103.15
“Geomembrane” means an essentially impermeable membrane used with foundation, soil, rock, earth, or any other geotechnical engineering-related material as an integral part of a man-made structure or system designed to limit the movement of liquid or gas into or out of the system.
Source. (See Revision Note #1 at chapter heading for Env-Sw 100) #8460-B, eff 10-28-05; ss by #14103, effective 10-23-24 (formerly Env-Sw 103.10) (see Revision Note #2 at chapter heading for Env-Sw 100)