Information Portal for the Fukushima Daiichi Accident Analysis and Decommissioning Activities
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FY2017
FY2016
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Temperature (Unit 1)
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Reactor piping system (Unit 1)
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Drawing measured value by graph
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Summary graph
Short-term time transition
RPV pressure, PCV pressure, water level and dose rate, 11/Mar 12:00 to 28/Mar 0:00
Unit-1
Unit-2
Unit-3
Dose rate of the monitoring posts at the time of the accident
Gamma dose rate of monitoring posts, 11/Mar 12:00 to 28/Mar 0:00
Gamma dose rate and neutron dose rate of monitoring posts, 11/Mar 12:00 to 16/Mar 12:00
Long-term time transition
Dose rate
Unit-1
Unit-2
Unit-3
135
Xe concentration
Unit-1
Unit-2
Unit-3
137
Cs and
134
Cs concentration in the PCV
Unit-1
Unit-2
Unit-3
85
Kr concentration in the PCV
Unit-1
Unit-2
Unit-3
Other
137
Cs concentration in accumulated water in PCVs, torus rooms, turbine buildings, process main building and high temperature incinerator building
137
Cs concentration in accumulated water of each building
Survey map
Reactor building survey map