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lceq laeq

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Noise: Occupational: Heaing Protection Selection
LCeq - LAeq is less than or equal to 2: PNR = M - [(H - M)/4]x( LCeq - LAeq - 2) If LCeq - LAeq is more than 2: PNR = M - [(M - L)/8]x( LCeq - LAeq - 2) The PNR is subtracted from the LAeq ...
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