EN 458:2016

SLOVENSKI STANDARD
01-junij-2016
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SIST EN 458:2005
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Hearing protectors - Recommendations for selection, use, care and maintenance -
Guidance document
Gehörschützer - Empfehlungen für Auswahl, Einsatz, Pflege und Instandhaltung -
Leitfaden
Protecteurs individuels contre le bruit - Recommandations relatives à la sélection, à
l'utilisation, aux précautions d'emploi et à l'entretien - Document guide
Ta slovenski standard je istoveten z: EN 458:2016
ICS:
13.340.20 Varovalna oprema za glavo Head protective equipment
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EN 458
EUROPEAN STANDARD
NORME EUROPÉENNE
March 2016
EUROPÄISCHE NORM
ICS 13.340.20 Supersedes EN 458:2004
English Version
Hearing protectors - Recommendations for selection, use,
care and maintenance - Guidance document
Protecteurs individuels contre le bruit - Gehörschützer - Empfehlungen für Auswahl, Einsatz,
Recommandations relatives à la sélection, à Pflege und Instandhaltung - Leitfaden
l'utilisation, aux précautions d'emploi et à l'entretien -
Document guide
This European Standard was approved by CEN on 8 August 2015.

CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this
European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references
concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN
member.
This European Standard exists in three official versions (English, French, German). A version in any other language made by
translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management
Centre has the same status as the official versions.

CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia,
Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania,
Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and
United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION

EUROPÄISCHES KOMITEE FÜR NORMUNG

CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels
© 2016 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN 458:2016 E
worldwide for CEN national Members.

Contents Page
European foreword . 5
Introduction . 6
1 Scope . 7
2 Normative references . 7
3 Terms and definitions . 7
4 Symbols and abbreviations . 9
5 Types of hearing protectors . 9
5.1 Design forms . 9
5.1.1 Earmuffs . 9
5.1.2 Helmet mounted earmuffs . 10
5.1.3 Earplugs . 10
5.2 Function mode . 10
5.2.1 Basic function mode . 10
5.2.2 Level-dependent hearing protectors . 11
5.2.3 Active noise reduction (ANR) protectors . 11
5.2.4 Hearing protectors with external audio input . 11
6 Selection . 12
6.1 Principles . 12
6.2 Selection according to sound attenuation . 12
6.2.1 Guide to protection rating . 12
6.2.2 Sound attenuation in practice (Real-world attenuation) . 13
6.2.3 Acoustical selection methods . 13
6.2.4 Selection of combination of earmuffs and earplugs . 15
6.3 Selection according to work environment . 15
6.3.1 Factors of work environment – overview . 15
6.3.2 Acoustical factors . 15
6.3.3 Environmental factors (non-acoustic) . 17
6.4 Communication . 19
6.4.1 Essential work related speech communication, especially speech intelligibility . 19
6.4.2 Effects of over-protection . 19
6.5 Compatibility with other PPE . 19
6.6 Selection according to hearing protector types . 19
6.6.1 Earmuffs – General. 19
6.6.2 Helmet-mounted earmuffs . 19
6.6.3 Earplugs – General . 19
6.6.4 Hearing protectors with additional function modes . 20
6.7 Medical disorders. 20
6.8 Ergonomics and fitting . 20
6.9 Conformity with relevant requirements for incorporated electronics . 21
6.9.1 Intrinsic safety . 21
6.9.2 Electromagnetic compatibility (EMC) . 21
7 Use . 21
7.1 General . 21
7.2 Availability of hearing protectors . 21
7.3 Correct fitting . 21
7.3.1 General . 21
7.3.2 Earmuffs . 21
7.3.3 Earplugs . 22
7.3.4 Fit check for hearing protectors . 22
7.4 Simultaneous use of hearing protector with other PPE . 22
7.4.1 General . 22
7.4.2 Protective clothing . 22
7.4.3 Spectacles . 22
7.4.4 Goggles . 22
7.4.5 Face shields . 22
7.4.6 Hoods . 23
7.4.7 Safety helmets . 23
7.4.8 Respiratory protection devices . 23
7.5 Speech intelligibility and signal audibility . 23
7.6 Instruction and training . 23
7.6.1 General . 23
7.6.2 Information . 23
7.6.3 Special instructions for use including training . 24
7.7 Period of use . 24
7.8 Leisure activities . 25
8 Care and maintenance . 25
8.1 General . 25
8.2 Hygiene and cleaning . 25
8.3 Inspection and replacement . 25
8.4 Storage . 25
8.5 Disposal . 25
Annex A (normative) Methods for assessing the sound attenuation of a passive hearing
protector . 26
A.1 General . 26
A.2 Octave band method . 29
A.3 HML method .
...