- (a) A rotating biological contactors (RBC) unit may be used in conjunction with other systems.
- (b) An RBC system may be used as a "roughing" unit in series with an activated sludge system as described in §217.183 of this title (relating to Nitrifying Trickling Filters--Additional Requirements).
- (c) The report must include supporting data, calculations, process descriptions, and vendor information to describe how a proposed system will meet the permitted effluent limitations.
- (d) Combined systems may be subject to the requirements of §217.7(b)(2) of this title (relating to Type of Plans and Specifications Approvals).
Source Note:The provisions of this §217.187 adopted to be effective August 28, 2008, 33 TexReg 6843.