What required noise reduction rating for hearing protectors


Problem: If a worksite has a noise level of 98dB(A) and the standard is 90dB(A) for eight hours, the required noise reduction rating for hearing protectors would be:

  • 14dB(A)
  • 15dB(A)
  • 16dB(A)
  • 17dB(A)

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Other Subject: What required noise reduction rating for hearing protectors
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