Distribution, Bioavailability and Speciation of Mercury
Water Extractable Hg-Fractions:
depth (m)
Storage Area
x100
3.5-4ml=1I111~~ • •
4.5-4.9m
o
10
20
30
40
50
60
Hg in Eluate (119/1)
Water Extractable Hg-Fractions:
Kyanisation Building
IIIHg~lb
depth (m)
eHg"
.. - - ---- .. ---- - iii Hg~la f1.5-2m . · -T-· · . r------·
2.5 -3m 1=:E . . . ~ . . . ~ . . . . ~ . . . ~ . . . . ~ . . . ~ . . . . ~ . . . ~ . . . . ~ ..•• g.g.gl!!!!!l.1!!!!!I.I!!!!!II
4-4.5m =; ... ..
6-o.2m!!!1!!!jl=L~~LLJ.~
o
100
200
300
400
500
600
700
600
Hg in Eluate (11911)
Water Extractable Hg-Fractlons: Topsoil
Hg in Eluate
(pg/I)
Fig. 7. Water extractable Hg-fractions of different sample depth and areas
195
easily reducible or inorganic Hg forms were represented at 3 ~lg Hg/I in the
eluate. The soil profile in the area of the former kyanization building
demonstrates, in comparison, the effect of an early and long-term Hg release