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.

Noble Gases2.49*3.42*3.42*0.06°0.17°0.14°0.34°
Alkali Metals0.11*0.15*0.15*1.08°3.18°2.64°6.46°
Noble Metals0.67*0.92*0.92*1.6e124.9e124.1e1210.e12
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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