"Re-melting of core materials: 21 March 01:25 21–25 March"
and
"This still from film footage released by Tokyo Electric Power Co. shows black smoke billowing from the crippled Fukushima I nuclear power plant in northeastern Japan, March 22."
from...
Bad source of information but data looks legit. What could be the source of I131 ?
http://fukushima-diary.com/2012/05/iodine-131-measured-in-kawasaki-yokohama-chiba-and-gunma/
http://fukushima-diary.com/2012/05/iodine-131-measured-in-yamanashi/...
Is this pcv hatch main plug ? There is a lot of corrosion so it can be wet if seals are damaged by temperature or plug was moved by earthquake/explosion.