Key terms
Noise awareness: key terms
Plain-English definitions of the words used in the course. In the lessons, tap any underlined term to read its definition without leaving the page.
7 terms, United Kingdom version
- Audiometry
- A test of hearing used in health surveillance.
- dB(A)
- A unit of sound level, weighted to match how the human ear hears.
- Exposure limit value
- Daily exposure of 87 dB(A) at the ear, which must not be exceeded.
- Hearing protection zone
- An area where noise is at or above 85 dB(A) and hearing protection must be worn.
- Lower exposure action value
- Daily exposure of 80 dB(A), where employers must assess risk and make hearing protection available.
- Tinnitus
- Ringing, buzzing or hissing in the ears.
- Upper exposure action value
- Daily exposure of 85 dB(A), where hearing protection becomes mandatory and zones are marked.
These terms come from the United Kingdom version of the course. See what the course covers.