The threshold limit value of mercury exposures is_______________?
Correct answer: A. 0.05 mg / m3
- A. 0.05 mg / m3
- B. mg / m3
- C. mg / m3
- D. mg / m3
Explanation
The commonly cited threshold limit value for mercury vapour in dental occupational exposure is 0.05 mg/m³. The other choices are incomplete because they omit the numerical concentration.
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