Human Bioaccessibility of Heavy Metals and PAH from Soil
Soil 1A
Soil 1C
Soil 2
Sources
municipal waste incinerator
bottom ash, de-icing salt,
urban snow, industrial waste
municipal waste incinerator
bottom ash, metal industry
waste
Speciation
lead carbonate, lead oxide
lead on silicates and iron
oxyhydroxides
lead in mixed mineral with tin,
carbonate and oxide
lead carbonate, lead oxide
lead on silicates and iron
oxyhydroxides
lead in mixed mineral with tin,
carbonate and oxide
Soil organic carbon
(%)
5,8
8,4
1,2
Lead concentration
(mg/kg dw)
920
6.800
2.200
Lead in particle fraction
< 125 µm
(% of total lead)
20
29
70
Bioaccessibility
(%)
19
20
58
Bioaccessibility of lead
in < 125 µm fraction
(range, % of total lead)
27-51
46-56
49-74
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