"Processing" means any activity to reduce the quantity of sludge or alter its chemical, biological, or physical state. Processing does not include the alteration of sludge's chemical, biological, or physical state solely for the purpose of odor control.
N.H. Admin. Code § Env-Wq 802.36
(See Revision Note at chapter heading for Env-Wq 800) #8887, eff 5-23-07