| Lead in the
body |
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| • | Measuring |
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| – | Methods: blood
levels, x-ray refraction (bone) |
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| – | Appropriate
biological sampling: |
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| • | bone, blood: long
term |
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| • | Urine: short term
only |
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| • | High dose
(>80µg/dl): |
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| – | Affects
blood-brain barrier, leading to increased |
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| intracranial
pressure (lead encephalopathy) |
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| – | Seizure, mental
retardation, death |
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| • | Low dose:
impaired cognitive function |
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| – | Current limit in
US is 10 µg/dl |
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