Section 70647 - Speech Pathology and/or Audiology Service Space(a) There shall be at least one two-room testing suite that meets Standard S-3.1, 1960 (R-1971), Criteria for Background Noise in Audiometer Rooms, of the American National Standards Institute, Inc., 1430 Broadway, New York, NY 10018.(b) There shall be the space necessary for the tables and chairs to conduct interviews, consultations, treatment and to accommodate patients in wheelchairs or on stretchers.Cal. Code Regs. Tit. 22, § 70647