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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

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
Part L1B
Conservation of fuel and power in Existing Dwellings

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


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