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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

Snap - Ventilation Commissioning Certificate - 0239 366 0106
The office that covers this area is: Portsmouth
Phone Number: 0239 366 0106 Email: snap@e2consultants.co.uk
Our other services include:
Ventilation Commissioning Certificate can also be known as:
Duct Testing, Part F Fan Testing, Part F Ventilation Testing, Part F Testing, Air Flow Rate Testing, Part F Ventilation Certificate, Ventilation Testing Equipment,


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Company No. 06728970