PART 5_2 Chemical contaminants and ecotoxicology
PART 5_2 Chemical contaminants and ecotoxicology
PART 5_2 Chemical contaminants and ecotoxicology
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ECOSYSTEMS: Terrestrial<br />
• Soils are contaminated<br />
– by metals <strong>and</strong> radioactive isotopes<br />
resulting from<br />
• industrial, mining or other activity or<br />
deposition from agricultural practices such<br />
as application of<br />
– metal-containing pesticides or<br />
– metal-contaminated sewage sludge<br />
– or wet or dry deposition from smelting<br />
activity, lead-containing car exhaust,<br />
atmospheric nuclear weapon testing or<br />
accidents such as Chernobyl.