Hydrogen concentrations measured inside the Unit 3 Primary Containment Vessel at Fukushima Daiichi Nuclear Power Station
   Here are the measurement results of hydrogen concentrations inside the Unit 3 Primary Containment
   Vessel at Fukushima Daiichi Nuclear Power Station.
 
- ※Here is the measurement method for each hydrogen concentration.  
- ※A hydrogen concentration will be displayed as 0.00% when the measurement result is less than 0.00%.
 
- ※For reference: The following is the “Limiting Conditions of Operations” designated in the implementation plan for hydrogen
 concentrations inside the Primary Containment Vessel:
 ・Hydrogen concentration inside the Primary Containment Vessel: Less than 2.5%
Announcement
- ○Data may change or be missing due to equipment failure or regular inspections.