Historical
BS EN 352-3:2002
Hearing protectors. Safety requirements and testing. Ear-muffs attached to an industrial safety helmet (British Standard)
This part of the standard specifies requirements for construction, design, performance, marking and user information for ear-muffs fitted to an industrial helmet which complies with EN 397, Industrial safety helmets. In particular, it calls for the sound attenuation of the ear-muffs, measured in accordance with EN 24869-1, to be declared and to be not less than a specified minimum. The requirements of this standard are intended to take account of the ergonomic interaction between the wearer, the device and where possible the working environment in which the device is likely to be used (see Annex ZA, of this standard and EN 458).
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British Standards Institution [bsi]
British Standards Institution [bsi]