L1 /
3
CH3041
LEAD III
• The PbO aerosol
is released as fine
respirable particles diameter » 0.5mm.
respirable particles diameter » 0.5mm.
• Roadside dirt
contains high [Pb]. 2mg kg-1
• Pb analyses are difficult because of ease of contamination, low
levels & interferences from
other elements in AA measurements.
• Reported [Pb] prior to mid-1980s are often too
high.
• Lead does not
biomethylate significantly in the environment.
• Lead does
bioaccumulate but it does
not
biomagnify. It is able to be excreted slowly and it accumulates mainly in the bones.
biomagnify. It is able to be excreted slowly and it accumulates mainly in the bones.
