What is value of time weighted average noise level

Reference no: EM13304442

A worker is exposed to 90 dBA of noise for 5 hours ; 95 dBA for 1 hour and 40 dBA for 2 hours. What is the value of time weighted average noise level (TWAN) ? TWAN= _________ ? Is the worker overexposed to noise ? Explain why/why not.Show your calculation.

Reference no: EM13304442

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