I have to wonder about how to reconcile that with this;
http://www.nisa.meti.go.jp/english/
Scroll down and click this link;
Information about the radiation：Monitoring Post out of 20 Km Zone of Fukushima Dai-ichi NPP
Scroll down to "2.Information about the radiation" and click the link "NEW) Basic facts regarding radiation explosure". there you read this;
"Can I take a radiation Can I take a radiation Can I take a radiation exposure measurement at NIRS?
National Institute of (NIRS) has conducted radiation measurement for the people who were working at nuclear energy plant in Fukushima prefecture yesterday and the day before yesterday So far, we have not found anyone who needed the decontamination procedure. Therefore, those who are not instructed to go to shelters or evacuate evacuate by local government do not not need to have their radiation level checked."
There is current information here;
Seismic Damage Information(the 30th Release)(As of 15:00 March 18, 2011)
And here; http://www.tepco.co.jp/en/press/corp-com/release/