Which of the following is the correct practice for minimizing exposure during a hazardous chemical spill in the laboratory?

• A. Attempt to clean up the spill without protective equipment.
• B. Ignore the spill if it appears small and continue working.
• C. Open all windows and doors to ventilate, but remain in the area.
• D. Evacuate the area immediately and alert others to the spill.

Answer: (D)

Verified step by step guidance

1. Understand that minimizing exposure during a hazardous chemical spill is crucial for safety in the laboratory environment.
2. Recognize that attempting to clean up a spill without protective equipment increases the risk of chemical exposure and injury.
3. Know that ignoring a spill, even if it appears small, can lead to dangerous exposure or accidents.
4. Realize that simply ventilating the area by opening windows and doors while remaining nearby does not adequately protect you from harmful fumes or contact.
5. The safest practice is to evacuate the area immediately to avoid exposure and alert others so that trained personnel can handle the spill properly.