Question: Part a) Calculate a time weighted average (TWA) for an employee with the following typical noise exposures: 1.5 hours operating the lathe (90 dBA) 4.5

Part a) Calculate a time weighted average (TWA) for an employee with the following typical noise exposures: 1.5 hours operating the lathe (90 dBA) 4.5 hours working in loud open office area (85 dBA) 1 hour working in packaging area (95 dBA) 1 hour operating the sander (97 dBA) Show your work for partial credit (upload scratch paper)

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