Question 6 of 30
How Threshold Limit Values are specified?
A
PPM (Parts per Million)
B
Specific Numbers
C
Volume of Gas in Air
D
ppm/volume gas in Air
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Answer & Explanation
The correct answer is Option A: PPM (Parts per Million).
Threshold Limit Values (TLV) represent the concentration of substances to which personnel can be exposed daily without adverse effects; these are standardly expressed in Parts per Million (PPM).