Level 3 - Source on Arsenic

• 1. What is arsenic?
  • 1.1 What are the properties of arsenic?
  • 1.2 How are arsenic levels measured?
• 2. Where does environmental arsenic come from?
  • 2.1 What are the natural sources of environmental arsenic?
  • 2.2 What are the man-made sources of environmental arsenic?
  • 2.3 How is arsenic transported and distributed in the environment?
• 3. What are the levels of exposure to arsenic?
  • 3.1 How much arsenic is there in the environment?
  • 3.2 What levels of arsenic are found in living organisms?
  • 3.3 What levels of arsenic are humans exposed to?
• 4. What happens to arsenic in the body?
  • 4.1 What happens to arsenic absorbed by the body?
  • 4.2 What are the indicators of arsenic exposure?
• 5. What are the effects of arsenic on laboratory animals?
• 6. What are the effects of arsenic on the environment?
• 7. What are the effects of arsenic on human health?
  • 7.1 Can arsenic cause cancer and skin changes?
  • 7.2 What other health problems can arsenic cause?
• 8. What has happened in areas where drinking water is heavily contaminated?
• 9. What have WHO and IARC established about arsenic?
• 10. Conclusions (only in level 1)