Exemption for certain dental offices.

An amalgam separator system shall not be required for the offices or clinical site of: A. a dental office that is not engaged in amalgam placement, removal or modification; B. an orthodontist; C. a periodontist; D. an oral maxillofacial surgeon; E. an oral maxillofacial radiologist; F. an oral pathologist; or G. a portable dental office without a fixed connection for wastewater discharge.