SS 549:2009

Code of practice for selection, use, care and maintenance of hearing protectors


Gives recommendations for the selection, use, care and maintenance of hearing protectors. Does not cover special types of hearing protectors although they are classified in Clause 7 with guidance on their use. Includes practical guidance to compensate for the laboratory-derived attenuation values and actual protection of passive hearing protectors (derating). Also includes worked examples and illustrations on the calculation of noise levels.


Formerly CP 76:1999


Status Current
Edition 2009
No. of Pages 45
ICS Classification 13.340.20 Head protective equipment
Committee Quality and Safety Standards Committee
Available for Purchase Global
Adoption -