| 21. | Those numbers could rise dramatically, because arsenic can poison slowly.
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| 22. | 2 Kids Who Live Near Sydney Tar Ponds Have Arsenic in Urine
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| 23. | Arsenic also can be found in old pesticides and other products.
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| 24. | Arsenic is less commonly observed in the pentavalent state, however.
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| 25. | Other arsenic alloys include the II-V semiconductor cadmium arsenide.
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| 26. | The main use of metallic arsenic is in alloying with lead.
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| 27. | Oxidation and reduction affects the migration of arsenic in subsurface environments.
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| 28. | So arsenic can be enriched in water with elevated Fe concentrations.
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| 29. | This process may be an arsenic detoxification mechanism for the bacteria.
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| 30. | Oxyhalides are more common for antimony than for arsenic and phosphorus.
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