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The Control of Noise at Work Regulations 2005 require, that when you are measuring noise exposures, that you use a sound level meter or noise dosimeter that meets certain standards.
This is to ensure that the measurements are as accurate and repeatable as possible. This helps to reduce the uncertainties and potential sources of errors as much as possible. Continue reading »
Noise legislation, designed to protect hearing and prevent noise nuisance, is becoming tougher and more widespread. It’s a response to our increased understanding of the damage that noise can do to hearing, and the negative impact it can have on quality of life in the wider community. It has resulted in a growing need to measure noise and rising demand for noise measurement equipment.
However in order to gather accurate and meaningful information about noise levels in your workplace, or the impact you might be having on your neighbours, it is essential that you invest in the right measurement equipment for the task in hand.
This article aims to provide advice on how to choose the best noise measurement tools for your application, and outlines one or two issues for consideration after the equipment has been purchased.
When making measurements to estimate the noise exposure of a person at work, you need to ascertain the equivalent continuous A-weighted sound pressure level (LAeq) that represents the noise the person is exposed to during the working day. You also need to ascertain the maximum C-weighted peak sound pressure level or levels to which the person is exposed.
The action levels described in the regulations are given as daily (LEP,d) or weekly (LEP,w) exposure values along with peak sound pressure levels, all in dB.
A sound level meter cannot measure LEP,d or LEP,w directly as these are calculated from two other parameters which are recorded during the measurement. These are:
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