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Ames Lab innovation key to a 'lead-free' Europe Lead has long been recognized as a highly toxic material that can cause brain damage. Its use in paint was banned in 1978 and it was later removed from gasoline to further protect human health. But a burgeoning source - electronic waste - poses a substantial new threat to the environment as lead and other chemicals leach from computers, cell phones and other electronic devices being buried in landfills.
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