PDFWAC 296-307-63630
Make sure a record is kept of audiometric tests.
The employer must retain a legible copy of all employee audiograms conducted under this part.
Make sure the record includes:
(1) Name and job classification of the employee;
(2) Date of the audiogram;
(3) The examiner's name;
(4) Date of the last acoustic or exhaustive calibration of the audiometer;
(5) Employee's most recent noise exposure assessment;
(6) The background sound pressure levels in audiometric test rooms.