Final answer:
Employers can lower PM2.5 exposure by reducing work time in high-pollution areas and relocating employees to cleaner environments. Both measures are effective in ensuring employee health and safety. Therefore, the correct answer is D.
Explanation:
Strategies for Reducing PM2.5 Exposure in the Workplace
Employers play a crucial role in protecting their employees from PM2.5, which are fine particulate matters with a diameter of less than 2.5 micrometers. Prolonged exposure to PM2.5 can lead to serious health issues such as respiratory diseases and cardiovascular problems. Here are effective steps employers can take:
- Reduce work time in areas with unfiltered air: Employers can minimize the hours employees spend in poorly ventilated or outdoor areas where PM2.5 levels are high, particularly during pollution episodes.
- Relocate employees to a different area: If certain workspaces are located in high-pollution areas, moving employees to cleaner environments can significantly lower exposure.
So, the correct answer to the question is D. B and C are correct, as both reducing work time in polluted areas and relocating employees are effective strategies in reducing exposure to harmful particulate matter.
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