Posts in Noise Assessment
Noise assessments measure people not places

Here's an important point to remember in any noise assessment - the Regulations could not care less about any noise levels from equipment or machinery which cause no noise exposures to people and have no potential to do so. The Noise Regs are entirely concerned with noise levels experienced by your employees so the noise levels of machines are not the focus of it but merely a part of it.

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Noise levels versus exposure time

Ever wondered how long you can be exposed to a noise before you reach the point at which the sound level has a significant risk to your hearing? The safe limit for hearing is 85 decibels over eight hours but the higher the noise levels go then the shorter the time you can be exposure to it before your ears can take no more. All the figures in this table are the times you would need to be exposed to the noise for before you reach the same exposure as 85 dB over eight hours, and into the area where hearing damage becomes a real risk.

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Example noise levels

These are all given as example noise levels for various tasks, tools or industries and use data I have collected myself over the years. While all noise levels may vary slightly depending on the actual situation or use-case, if you are looking for something to give you an idea of the level of noise you are looking at then this will point you in the right direction.

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