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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

How loud is too loud?
Noise above 85 dBA over time will cause hearing loss. In general, the louder the noise, the less time required before hearing loss...more
Newton Aycliffe - Ventilation Commissioning Certificate - 0191 633 0103
The office that covers this area is: Newcastle
Phone Number: 0191 633 0103 Email: newton-aycliffe@e2consultants.co.uk
Our other services include:
Ventilation Commissioning Certificate can also be known as:
Part F Ventilation Testing, Part F Fan Testing, Duct Testing, Ventilation Testing Equipment, Part F Ventilation Certificate, Air Flow Rate Testing, Part F Testing,


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Company No. 06728970