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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
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Betchworth - BS4142 - 020 3390 0301
The office that covers this area is: London
Phone Number: 020 3390 0301 Email: betchworth@e2consultants.co.uk
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For further BS4142 information for your area, be sure to check out Sound-Testing-London.co.uk.
Our other services include:
BS4142 can also be known as:
Environmental Noise Assessment, Sound Testing Environmental Noise, Noise Impact Assessment, Commercial PPG24, Noise Survey For Residential Development, Commercial BS4142, Commercial BS8233 Noise Assessment and Noise Survey, Commercial Noise Impact Assessment, Building and Room Acoustics, Commercial Environmental Noise Assessment, Commercial Noise Survey For Residential Development, BS8233 Noise Assessment and Noise Survey, Industrial Noise Survey, Commercial Sound Testing Environmental Noise, Commercial Building and Room Acoustics, PPG24, Commercial Industrial Noise Survey,


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