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Standards for hearing protection:  

                                                                                                   

Hearing protection standards generally state a noise exposure level for which employers must provide hearing protection, methods of measuring the noise level and the levels at which employees must wear it. Hearing protection is part and parcel of industrial health and safety requirements.                                                                                                                                  

General Requirments:                                                                                                                     

EN 352-1: 2002 - Hearing protectors - Ear muffs

In addition to the Standard number, maker and model identification:

indication of orientation of the ear muff, where required, eg

'TOP' and/or 'LEFT' and 'RIGHT'

EN 352-2:2002 - Hearing protectors - Ear plugs

Markings may only appear on the packaging. In addition to the Standard number,

maker and model identification:

whether disposable or re-useable

fitting instructions

nominal size of formable plugs, in range 5 to 14 mm.

Left-right differentiation for custom moulded plugs

EN 352-3:2002 - Hearing protectors - Ear muffs attached to a safety helmet

In addition to the Standard number, maker and model identification:

indication of orientation of the ear muff, where required, eg

'TOP' and/or 'LEFT' and 'RIGHT'

EN 352-4:2001 - Hearing protectors - Ear muffs attached to a safety helmet

As for EN 352-1

EN 352-5:2002 - Hearing protectors – Active noise reduction ear muffs

As for EN 352-1

EN 352-6:2002 - Hearing protectors - Ear muffs with electrical audio input

As for EN 352-1

EN 352-7:2002 - Hearing protectors – level dependent ear plugs

As for EN 352-2

EN 352-8:2008 - Hearing protectors – entertainment audio earmuffs

As for EN 352-2