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Final answer:
Chemicals are hazardous when they can harm health or the environment. Learn the routes of chemical exposure and spill management in labs.
Explanation:
Hazardous Chemicals and Their Effects
Chemicals are considered hazardous when they pose a risk to human health or the environment. There are various ways hazardous chemicals can enter the body and cause damage:
- Inhalation: Breathing in fumes, gases, or dust containing the chemical.
- Ingestion: Swallowing the chemical through contaminated food, water, or by direct contact.
- Absorption: Chemicals are absorbed through the skin or eyes.
- Injection: Direct entry into the bloodstream through punctures, cuts, or needles.
Dealing with a Chemical Spill in the Laboratory
When a spill occurs in the lab, follow these steps to ensure safety:
- Alert: Notify others and evacuate the area.
- Isolate: Contain the spill to prevent further spread.
- Assess: Identify the chemical spilled and assess the risk level.
- Clean: Follow proper spill cleanup procedures using appropriate protective equipment.
- Dispose: Properly dispose of contaminated materials.
Learn more about Chemical hazards and safety measures here:
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