A worker is exposed to various noise levels over their 8-hour work shift. The noise levels are:- 2 hours at 102 dBA- 2 hours at 104 dBA- 4 hours at 98 dBAWhat is the average dBA level the worker is exposed to during her shift?

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The CHST (Construction Health and Safety Technician) exam is administered by the Board of Certified Safety Professionals (BCSP) and tests your knowledge, skills and abilities in: Program Management, Worksite Auditing, Training, and Professional Responsibility.


A worker is exposed to various noise levels over their 8-hour work shift. The noise levels are:<br />- 2 hours at 102 dBA<br />- 2 hours at 104 dBA<br />- 4 hours at 98 dBA<br />What is the average dBA level the worker is exposed to during her shift?