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Good Hearing?
A typical person with good hearing can hear from about 20Hz to 20kHz (the audio bandwidth). A person's voice will usually range from 500Hz to 2kHz...more

Point of Reference
10 dBA is the sound level of normal human breathing. To put it into perspective, thunder is a whopping 120 dBA...more
Part E
Resistance of the Passage of Sound

Clwyd - Commercial BS4142 - 01978 633 079
The office that covers this area is: Wrexham
Phone Number: 01978 633 079 Email: clwyd@e2consultants.co.uk
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For further Commercial BS4142 information for your area, be sure to check out Sound-Testing-Wrexham.co.uk.
Our other services include:
Commercial BS4142 can also be known as:
Commercial Noise Impact Assessment, BS4142, Industrial Noise Survey, Noise Impact Assessment, PPG24, Sound Testing Environmental Noise, Commercial BS8233 Noise Assessment and Noise Survey, Commercial Noise Survey For Residential Development, Building and Room Acoustics, Commercial Environmental Noise Assessment, Noise Survey For Residential Development, Commercial PPG24, Commercial Building and Room Acoustics, Commercial Sound Testing Environmental Noise, Commercial Industrial Noise Survey, BS8233 Noise Assessment and Noise Survey, Environmental Noise Assessment,


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