Table
3. Concentrations of mercury and its operationally defined fractions in groundwater. Concentration unit: I-!g/l (ppb)
Date
Hg fraction
B1
B2
B3
B4
B5
B6
B7
B8
B9
PI
P2
P3
02.03.1995
Hg total
0.6
0.7
40
23
0.2
0.7
69
170
120
0.1
0.3
0.2
Hg tot, filtr.
0.6
36
18
1.2
22
l30
72
Hg IIa
0.3
29
21
0.9
20
100
52
Hgo
<0.1
14
13
<0.1
32
34
32
10.03.1995
Hg total
51
57
250
240
Innolab
Hg tot, filtr.
51
28
300
280
Hg IIa
37
22
90
90
21.06.1995
Hg total
0.5
10
260
170
02.103.08.
Hg total
0.9
0.7
100
20
0.1
1.3
60
270
180
<0.1
0.3
0.2
17.06.1995
Hg tot, filtr.
<0.1
0.2
28
18
5.0
27
120
65
<0.1
Hg IIa
<0.1
0.2
21.2 12.5
4.8
19.3
ll7
53
<0.1
Hgo
<0.1
0.4
120
30
0.8
70
240
160
0.1
HgO, filtr.
24
22.-24.05.
Hg total
1.0
0.9
71.1
40
0.1
1.9
60.1
230.7 196.9 <0.1
0.6
0.1
1996
Hg tot, filtr.
3.2
1.0
82.6
38.7
0.1
2.5
66.2
252.4 203.6
<0.1
0.7
0.1
Hg IIa
0.4
0.4
79.9 30.6
0.5
30.0
224.4 187.4
0.1
Hgo
1.5
1.8
4.1
10.9
1.2
13.5
4.8
2.2
1.7
25.05.1996
Hg total
36
Hg IIa
22
Hgo
15
B 10
Bll
B 12
270
<0.1
0.1
llO
84
<0.1
250
<0.1
150
213.4
0.1
0.1
219.7
0.2
0.1
196.3
9.5
Bl3
22.0
15.0
10.2
30.0
13.0
44.4
48.4
33.0
10.3
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