Alberta Boilers Safety Association (ABSA) Practice Test

Question: 1 / 400

At what noise level are sounds potentially hazardous to hearing?

100 dB and above

Sounds at 100 dB and above are considered potentially hazardous to hearing primarily due to the increased risk of hearing damage with prolonged exposure. While sounds below this level are generally safer, consistent exposure to levels at or above 100 dB can lead to permanent hearing loss or other auditory complications over time.

For context, the thresholds for concern regarding noise levels vary. Sounds measured at 80 dB and above already begin to pose risks, especially with extended exposure, but 100 dB is a critical level where protective measures become increasingly necessary. This distinction underscores the importance of monitoring and managing noise levels in occupational environments to safeguard auditory health.

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60 dB and above

120 dB and above

80 dB and above

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