Over the workday, a worker is exposed to a noise level of 90 dBA for 4 hr,
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Over the workday, a worker is exposed to a noise level of 90 dBA for 4 hr, 92 dBA for 2.5 hr, and 100 dBA for 1.5 hr.
a. Find the daily exposure.
b. Does this exposure exceed the OSHA permissible exposure limit (PEL)?
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a Find the daily exposure To find the daily exposure we need to calculate the timeweighted average TWA of the noise levels The TWA is a measure of the ...View the full answer
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Related Book For
Mechanical And Electrical Systems In Architecture Engineering And Construction
ISBN: 9780135000045
5th Edition
Authors: Frank R Dagostino, Joseph B Wujek
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