Fukushima Daiichi Nuclear Power Plant Accident in Japan Information Bulletin No. 4 (March 15, 2011 4:30 P.M.)
Details
At 5:30 am Manila Time the IAEA reported an explosion at Unit 2 of the Daiichi Reactor that damaged the suppression chamber of the primary containment vessel. The event resulted in the momentary increase of radiation level measured at 8 milliesievert per hour.
At 12:50 pm Manila Time, the IAEA reported the incidence of an earlier fire that occurred at the building where the spent fuel storage pond of Unit 4 of the Daiichii nuclear power plant is located. According to the Embassy of Japan the same fire was put out before 10:00am, today. The event resulted in the release of radiation at a dose rate of at 400 millisievert per hour.
As the events remain contained on site, persons who have been evacuated from the 30 km zone are considered safe.
As per information from TEPCO, the cooling problems of Units 1, 2, and 3 are under control.
Containments for Unit 1 and 3 are also intact. And while the suppression chamber of Unit 2 is damaged, the rest of its containment unit remains intact.
The DOST –PNRI emphasizes that there remains no immediate threat to the Philippines.
For more queries, pls call DOST-PNRI Emergency Response Center at 929-4719 or 920-8738 or 0917-278-3578 or log on to the following: http://www.dost.gov.ph,http://www.science.ph, or tweet@dost_pnri.
For reporting of nuclear/radiological emergencies, you may contact the Radiological Impact Assessment Section/Nuclear Response Support Center of the PNRI through (632) 929-6011 to 19 local 285 or 311
