On Apr 12, 12:58*pm, Tim Streater wrote:
I'd call this a relatively meaningless scale. It does *not* equate to
Chernobyl, where the actual core suffered a mini-fission explosion and
the graphite moderator was on fire, thus ensuring a plume of radioactive
smoke that spread everywhere.

It's very insensitive, it could do with a decimal point or something.

Most of the so-called "level 7" radioactive material is in the cooling
water and is, therefore, contained.

Careful, the NISA and NSC statistics specifically relate to radiation
"released to the air".

http://www.nisa.meti.go.jp/english/f...20110412-4.pdf

Another cunning bit of news management.