Table 29.1 (continued)
Sample
code
Waste material
a
Extraction procedure
Tracer
added
Heavy meal concentration of the extract (mmol/l)
Al
Fe
Mn
Cu
Zn
Ni
11
Fly ash CM
0.1 M oxalic acid extraction at 90
C for 1 h
(10 g dry weight/25 ml)
None
e
NA
f
7.7
NA
f
0.2
6.5
NA
f
12
Fly ash CI
0.1 M or 0.5 M oxalic acid extraction at
90
C for 1 h (10 g dry weight/25 ml)
None
e
NA
f
0.6
NA
f
0.0
0.0
NA
f
a
The large capital after the waste material name is the abbreviated name of the samples
b
The waste materials used had been treated with a stabilizing reagent to reduce the leaching of heavy metals. The other waste materials were collected before
the stabilization treatment
c
Na and K, 160 mM each
d
Na and K 30 mM each, Ca 130 mM each
e
Sample contained radioactive cesium from TEPCO accident
f
Not analyzed
336
Y. Fujikawa et al.
Sample
code
Waste material
a
Extraction procedure
Tracer
added
Heavy meal concentration of the extract (mmol/l)
Al
Fe
Mn
Cu
Zn
Ni
11
Fly ash CM
0.1 M oxalic acid extraction at 90
C for 1 h
(10 g dry weight/25 ml)
None
e
NA
f
7.7
NA
f
0.2
6.5
NA
f
12
Fly ash CI
0.1 M or 0.5 M oxalic acid extraction at
90
C for 1 h (10 g dry weight/25 ml)
None
e
NA
f
0.6
NA
f
0.0
0.0
NA
f
a
The large capital after the waste material name is the abbreviated name of the samples
b
The waste materials used had been treated with a stabilizing reagent to reduce the leaching of heavy metals. The other waste materials were collected before
the stabilization treatment
c
Na and K, 160 mM each
d
Na and K 30 mM each, Ca 130 mM each
e
Sample contained radioactive cesium from TEPCO accident
f
Not analyzed
336
Y. Fujikawa et al.