Science and Technology of Nuclear Installations / 2012 / Article / Tab 6

Review Article

The Fukushima Event: The Outline and the Technological Background

Table 6

Radioactivity inventory released to containment and reactor building of Fukushima Units 1 to 4.

ItemRC–NPP Unit No.SFP–NPP Unit No.
1231234

Noble Gases2.49*3.42*3.42*0.06°0.17°0.14°0.34°
Halogens2.67*3.67*3.67*3.0e108.8e107.4e1018.1e10
Alkali Metals0.11*0.15*0.15*1.08°3.18°2.64°6.46°
Tellurium1.85*2.55*2.55*0.001°0.003°0.003°0.006°
Barium-Strontium0.22*0.29*0.29*0.003°0.008°0.007°0.016°
Noble Metals0.67*0.92*0.92*1.6e124.9e124.1e1210.e12
Lanthanides0.002*0.003*0.003*1.2e113.5e112.9e117.2e11
Cerium0.006*0.008*0.008*1.4e114.3e113.5e118.7e11
TOTAL/RC & SFP Units8.01*11.0*11.0*1.14°3.36°2.79°6.82°
TOTAL/RC & SFP0.29e200.014e20
TOTAL0.30e20 Bq [= 0.3e8 TBq = 0.81e9 Ci]

*e18; °e17.

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