N.H. Admin. Code § Env-Ws 905.03
For the purposes of this part, the following definitions shall apply:
(a) "Amalgam separator" means an item of dental equipment designed to remove amalgam particles from the wastewater from the dental practice, so as to reduce the number of amalgam particles and therefore the amount of amalgam entering the sewer system or subsurface sewage disposal system;
(b) "Dental practice" means a business established for the purpose of practicing dentistry, as defined by RSA 317-A:20;
(c) "Department" means the department of environmental services;
(d) "Hazardous waste rules" means Env-Wm 110, Env-Wm 211-216, Env-Wm 351-353, and Env-Wm 400 through Env-Wm 1110; and
(e) "Owner of the practice" means the individual, partnership, corporation, or association who owns the dental practice.
N.H. Admin. Code § Env-Ws 905.03
#8362, eff 5-28-05