Noise level has been undertaken maximum once a year (or less if there is local regulatory requirement) for the following processes:
Annual hearing tests completed for employees working in high noise areas (≥85dB), and working more than 8 hours a day.
A Hearing Conservation Program has been designed and implemented, and
General sampling results have been communicated and made available to employees, visitors, contractors with signage and ear protection provided.
Concerns found are acted upon and corrective actions & preventive actions implemented