Question 25 of 30
What is Time Weighted Average?
A
Exposure time
B
Short Term exposure time
C
Highest exposure time
D
Averaging all the exposure times for a time period 8 hours
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Answer & Explanation
The correct answer is Option D: Averaging all the exposure times for a time period 8 hours.
Time Weighted Average (TWA) represents the average concentration of a substance to which a person may be safely exposed over a specified time period, typically 8 hours, without suffering long-term health effects.