
You also need to keep in mind that in order to get a reliable reading of what noise dose is present in a work environment, regular long term readings should be completed over the course of an entire day. Any less than that and you may not detect the changes in activity that might cause an excessive noise dose. Readings should also be taken whenever there are changes in production, process, environment or controls that may increase noise exposure. Employers should also make sure to calibrate the monitoring device regularly in order to make sure that the readings are accurate.
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