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QUESTION 1 10 points Saved A worker in a machine shop is exposed to noise according to the following table. Determine whether this worker is

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QUESTION 1 10 points Saved A worker in a machine shop is exposed to noise according to the following table. Determine whether this worker is exposed to hazardous noise level according to OSHA regulations. Show your calculations. Is ear protection required? Sound level Actual Exposure OSHA'S Permissible (dBA) (Hrs) Level (Hrs) 90 2 8 92 3 6 95 2 4 97 1 3 TWAN = 1.375 > 100. Time weighted average noise exceeds the OSHA criteria and hearing protection is required OTWAN = 911

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