Question: Calculate noise dose based on the 9 0 dB criterion level, 5 dB exchange rate, and 8 0 dB threshold. 1 . 8 6 dB

Calculate noise dose based on the 90 dB criterion level, 5 dB exchange rate, and 80 dB threshold.
1.86 dB for 4 hours, 93 dB for 2 hours, 87 dB for 2 hours.
2.88 dB for 2 hours, 96 dB for 4 hours, 86 dB for 1 hour, 82 dB for 1 hour.

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