Apparently there WERE fires at the SFPs. So it seems likely that the radiation may already be up in the atmosphere!
The Japan Atomic Industry Forum at http://www.jaif.or.jp/english/fukushima/plantstatus201103.html provides links to its “Reactor Status and Major Events Update – NPPs in Fukushima (Estimated by JAIF) March 2011”. Earliest date provided being Update Number 2, Tuesday March 15 2011 at 10.30 hours.
This status update states that Reactor 4 is “safe”. This report notes the evacuation zone is 20 kms from the NPP.
Status update 3 of 13:00 hours 15 March 2011 states that the evacuation zone is “Evacuation Area 20km from NPS * People who live between 20km to 30km from the Fukushima #1NPS are to stay indoors.”
The update reports also notes that “Remarks: Fire broke (out) on the 4th floor of the Unit-4 Reactor Building around 6AM and the radiation monitor readings increased outside of the building:
30mSv between Unit-2 and Unit-3, 400mSv beside Unit-3, 100mSv beside Unit-4 at 10:22.
It is estimated that the spent fuels stored in…
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