“Septage” means “septage” as defined by RSA 485-A:2, IX-a, namely “material removed from septic tanks, cesspools, holding tanks, or other sewage treatment storage units, excluding sewage sludge from public treatment works and industrial waste and any other sludge.” Septage includes solids and other material removed from septage lagoons, waste from portable toilets and Type III marine sanitation devices, and grease interceptor and grease trap waste that has been co-mingled with wastewater.

Source. (See Revision Note #1 and Revision Note #2 at chapter heading for Env-Wq 1600) #13944, eff 4-27-24