Understanding Noise

As leaders in the provision of custom hearing protection solutions, Sonomax UK understand about the problems caused by excessive noise in the workplace and entertainment venues. We are committed to raising awareness and promoting hearing health.

UK Statistics and Facts

Approximately 9 million people in the UK have a hearing loss. This is approximately 19% of the population or 1 in every seven people. (Ref London Hazards Centre)

Exposure to loud noise can cause permanent hearing damage.

Hearing loss is the most common sensory disability in the developed world and is one of the major reasons for people to be referred to hospital. (Ref Deafness Research UK)

Hearing loss caused by exposure to noise at work continues to be a significant occupational disease. Recent research estimates that 170,000 people in the UK suffer deafness, tinnitus or other ear conditions as a result of exposure to excessive noise at work.

Control of Noise at Work Regulations

The Regulations implement the Physical Agents (Noise) Directive (2003/10/EC) which tightens the legal requirements in relation to noise by lowering the exposure action values. The regulations came into force on 6 April 2006 for most industries, and 6 April 2008 for the music and entertainment industry.

Directive 2003/10/EC on the minimum health and safety requirements regarding exposure of workers to the risks arising from physical agents (noise), which will repeal Directive 86/188/EEC, was adopted on 9 December 2002 and came into force on 15 February 2003. The Directive tightens the legal requirements in relation to noise by lowering the exposure action values to 80 and 85dB(A).

Operation

SDS Hammer drills
Grinding
Guillotining
Multi-spindle automatic turning
Circular sawing - metal
Pressing - blanking
Pressing - punch pressing
Rivetting
Vibratory bowl feeder
General noise - fabrication shop

Decibels

90-105
85-100
95-100
95-105
95-105
95-110
110-120
100-110
90-100
85-95

Actual noise levels could be much higher than illustrated

For time dependant noise levels ‘A’ weighted for an 8 hour day, hearing protection is now advised at 80dB(A), the lower action level. Hearing protection will be compulsory at 85dB(A), the upper Action level. There is also a maximum exposure level being introduced stating that no worker may be exposed to more than 87dB(A) 8 hour equivalent.
The action levels for impact noise are also being amended. The lower action level for impact is 112pa peak level (equivalent to 135dB) and upper impact level is 140pa (137dB). The maximum
exposure limit is 200pa (140dB) The table below illustrates the changes being implemented
(Ref www.hse.gov.uk)

OLDNEW

Assessment period

8 hours

8 hours of 1 week

Lower action level

Over 85dB[A]

Over 80dB[A], 112pa

Upper Action level

Over 90dB[A], 200pa

At 85dB[A], 140pa

Maximum Exposure level

-

87dB[A}, 200pa

Audiometry

-

At 85dB[A], 140pa

Audiometry

-

Over 80dB[A], if at risk

 


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