Title: Arsenic
Headings: Arsenic
Arsenic
1. What is arsenic?
2. Where does environmental arsenic come from?
3. What are the levels of exposure to arsenic?
4. What happens to arsenic in the body?
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?
8. What has happened in areas where drinking water is heavily contaminated?
9. What have WHO and IARC established about arsenic?
10. Conclusions

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Level 1: Summary
Level 2: Details
Level 3: Source
6. What are the effects of arsenic on the environment? Living organisms, both on land and in water, react in a variety of        ways to arsenic exposure. The effects        depend on the chemical form of the arsenic, the nature of the        surrounding environment and their own particular biological sensitivity. Individual organisms or whole populations may be affected. Adverse        effects include death, poor growth and failure to reproduce. Where        arsenic has contaminated a natural environment, the number of different        species found is much reduced.