Section 70645 - Speech Pathology and/or Audiology Service Equipment and Supplies(a) At least the following equipment shall be provided: (1) An appropriate clinical audiometer.(2) Diagnostic tests and materials.(3) Other equipment and materials deemed necessary by the person having overall responsibility for the service.(b) Audiometric equipment shall be calibrated in accordance with Standard S-3.6, 1969, Specifications for Audiometer, of the American National Standards Institute, Inc., 1430 Broadway, New York, NY 10018. Evidence of such calibration shall be available on request.Cal. Code Regs. Tit. 22, § 70645