Status of the Unit 1 at the time of the accident

Table of contents

  1. RPV pressure, PCV pressure, water level and dose rate, 11/Mar 12:00 to 28/Mar 0:00
  2. Pressure and temperature, 21/Mar 0:00 to 25/Mar 12:00

Graph  (Click to enlarge)

Data was obtained from the web site of Tokyo Electric Power Company Holdings, Incorporated(TEPCO).
  1. RPV pressure, PCV pressure, water level and dose rate, 11/Mar 12:00 to 28/Mar 0:00

    RPV pressure
    PCV pressure
    water level
    dose rate
    (Data was obtained from TEPCO  )

    Click here to enlarge the range of 11/Mar 14:45 to 13/Mar 4:45â–¼

  2. Pressure and temperature, 21/Mar 0:00 to 25/Mar 12:00

    pressure and temperature
    (The upper limit of temperature measurement is 400℃)
    (Data was obtained from TEPCO  )