Associate Safety Professional Exam

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A workplace noise survey records the following daily exposures: 90 dBA for 4 hours, 95 dBA for 2 hours, and 100 dBA for 1 hour. Using OSHA's permissible exposure limits (PEL) and the dose equation D = (C1/T1 + C2/T2 + C3/T3), what is the noise dose?

D = 1.25 (exceeds PEL) D = 0.75 (within PEL) D = 1.00 (exactly at PEL) D = 0.50 (well within PEL)

Correct Answer:

D = 1.25 (exceeds PEL)

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