A worker will be exposed to noise levels of 95 dBA for 4 hours during concrete demolition. According to OSHA's permissible exposure limits, what action is required?
Correct Answer
D) Hearing protection required
OSHA's 8-hour TWA limit is 90 dBA. For 95 dBA, the permissible exposure time is 4 hours maximum, but hearing protection is required when exposure exceeds 85 dBA for 8 hours TWA or equivalent shorter duration exposures.
Why This Is the Correct Answer
OSHA's 8-hour TWA limit is 90 dBA. For 95 dBA, the permissible exposure time is 4 hours maximum, but hearing protection is required when exposure exceeds 85 dBA for 8 hours TWA or equivalent shorter duration exposures.
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