Engineering Board Exam Reviewer · Environmental Engineering · medium

Noise-induced hearing loss is generally caused by prolonged exposure to sound levels above about:

  1. 30 dBA
  2. 50 dBA
  3. 60 dBA
  4. 85 dBA

Answer

D. 85 dBA

Solution

Hearing conservation programs typically start at an 8-hour average of 85 dBA.

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