The selection and use of hearing protection devices today requires the consideration of many parameters, such as law; working conditions for employees; their levels of exposure to noise; the various noise protection devices available; and their characteristics.
This document will provide you with the criteria to choose the best personal hearing protection devices and ensure that they are worn.
We will also see that the attenuation values claimed by manufacturers of HPD (personal Hearing Protection Devices) do not actually correspond in reality, and discounts must be applied to them.