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

• A. Evacuate the area immediately and alert others to the spill.
• B. Dilute the spill with water before notifying anyone.
• C. Ignore the spill and continue working as usual.
• D. Attempt to clean up the spill without protective equipment.

Answer: (A)

Verified step by step guidance

1. Understand that the primary goal during a hazardous chemical spill is to minimize exposure and ensure safety for everyone in the laboratory.
2. Recognize that the safest immediate action is to evacuate the area to prevent inhalation or contact with the hazardous substance.
3. Alert others in the vicinity about the spill so they can also take appropriate safety measures and avoid the contaminated area.
4. Avoid attempting to clean up the spill without proper protective equipment and training, as this can increase the risk of exposure.
5. Do not dilute or ignore the spill before notifying others, as this can worsen the situation or delay necessary emergency response.