You must:
• Make sure audiometric testing as described by WAC
296-307-636 is supervised and reviewed by one of the following licensed or certified individuals:
– An audiologist
– An otolaryngologist
– Another qualified physician.
• Make sure audiograms are conducted by one of the above individuals or by a technician certified by the Council of Accreditation in Occupational Hearing Conservation (CAOHC) and responsible to a qualified reviewer.