Section 217.187 - Dual Treatment Utilizing Rotating Biological Contactors(a) A rotating biological contactor (RBC) may be used in conjunction with other treatment as a dual treatment system.(b) An RBC may be used as a roughing unit, as described in § 217.182(b)(1) of this title (relating to Trickling Filters--General Requirements, regarding trickling filter classifications), in series with an activated sludge system.(c) The engineering report must include supporting data, calculations, process descriptions, and vendor information to describe how a proposed RBC 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 Types of Plans and Specifications Approvals).30 Tex. Admin. Code § 217.187
The provisions of this §217.187 adopted to be effective August 28, 2008, 33 TexReg 6843; Amended by Texas Register, Volume 40, Number 47, November 20, 2015, TexReg 8324, eff. 12/4/2015