How often should the air quality be monitored in an excavation site?
A. Once a day
B. Once a week
C. Once a month
D. Continuously
Answer (2)
Air quality at excavation sites should be monitored continuously during active operations to ensure safety and health. The frequency depends on site conditions and local regulations, but constant checks are recommended to identify hazards quickly. This approach protects workers from exposure to harmful substances. ;
Air quality at excavation sites should be monitored continuously to ensure worker safety and comply with regulations. This approach allows for quick identification of hazards and immediate responses to air quality issues. Therefore, the correct answer is D. Continuously.
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