TEPCO Update 9 PM Tokyo time March 13

All 6 units of Fukushima Daiichi Nuclear Power Station have been shut down.

[There is no update from the previous press release.]

Unit 1(Shut down)
- Reactor has been shut down. However, the unit is under inspection due
 to the explosive sound and white smoke that was confirmed after the big
 quake occurred at 3:36PM.
- We have been injecting sea water and boric acid which absorbs neutron
 into the reactor pressure vessel.

Unit 2(Shut down)
- Reactor has been shut down and Reactor Core Isolation Cooling System
 has been injecting water to the reactor. Current reactor water level is
 lower than normal level, but the water level is steady. After fully
 securing safety, measures to lowering the pressure of reactor
 containment vessel has been taken, under the instruction of
 the national government.

Unit 3(Shut down)
- Reactor has been shut down. However, as High Pressure Core Injection
 System has been automatically shut down and water injection to
 the reactor was interrupted, following the instruction by
 the government and with fully securing safety, steps to lowering
 the pressure of reactor containment vessel has been taken. Spraying
 in order to lower pressure level within the reactor containment vessel
 has been cancelled.
- After that, safety relief valve has been opened manually, lowering
 the pressure level of the reactor, which was immediately followed
 by injection of boric acid water which absorbs neutron, into
 the reactor pressure vessel.

Unit 4 (shut down due to regular inspection)
- Reactor has been shut down and sufficient level of reactor coolant
 to ensure safety is maintained.
- Currently, we do not believe there is any reactor coolant leakage
 inside the reactor containment vessel.

Unit 5 (outage due to regular inspection)
- Reactor has been shut down and sufficient level of reactor coolant
 to ensure safety is maintained.
- Currently, we do not believe there is any reactor coolant leakage
 inside the reactor containment vessel.

Unit 6 (outage due to regular inspection)
- Reactor has been shut down and sufficient level of reactor coolant
 to ensure safety is maintained.
- Currently, we do not believe there is any reactor coolant leakage
 inside the reactor containment vessel.

Casualty
- 2 workers of cooperative firm were injured at the occurrence of
 the earthquake, and were transported to the hospital.
- 1 TEPCO employee who was not able to stand by his own with his hand
 holding left chest was transported to the hospital by an ambulance.
- 1 subcontract worker at important earthquake-proof building was
 unconscious and transported to the hospital by an ambulance.
- The radiation exposure of 1 TEPCO employee, who was working inside
 the reactor building, exceeded 100mSv and was transported to
 the hospital.
- 2 TEPCO employees felt bad during their operation in the central
 control rooms of Unit 1 and 2 while wearing full masks, and were
 transferred to Fukushima Daini Power Station for consultation with
 a medical advisor.
- 4 workers were injured and transported to the hospital after explosive
 sound and white smoke were confirmed around the Unit 1.
- Presence of 2 TEPCO employees at the site are not confirmed

Others
- We are currently coordinating with the relevant authorities and
 departments as to how to secure the cooling water to cool down
 the water in the spent nuclear fuel pool.
- We measured radioactive materials inside of the nuclear power station
 area (outdoor) by monitoring car and confirmed that radioactive
 materials level is higher than ordinary level. Also, the level
 at monitoring post is higher than ordinary level. We will continue
 to monitor in detail the possibility of radioactive material being
 discharged from exhaust stack or discharge canal. The national
 government has instructed evacuation for those local residents within
 20km radius of the periphery because it's possible that radioactive
 materials are discharged.

- We will continue to take all measures to restore the security of the
 site and to monitor the environment of the site periphery.