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worker exposure to noise in a given plant is measured as follows during various time perio

worker exposure to noise in a given plant is measured as follows during various time perio

A worker exposure to noise in a given plant is measured as follows during various time periods in an 8-hour shift:
8:00 am - 9:00 am 86 dBA
9:00 am – 11:00 am 84 dBA
11:00 am – 12 noon 81 dBA
12 noon – 1:00 pm 101 dBA
1:00 pm – 4:00 pm 75 dBA


a. Perform computations to determine whether maximum PELs have been exceeded. SHOW YOUR CALCULATION. 

b. Have ALs been exceeded? Why?

c. Given the noise exposure just described, would the employer be required to furnish hearing protectors? Why?

d. Would employees be required to use the hearing protectors? Why?

Rosa Parks 10-Nov-2017

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