* And this is what Japan ADMITS to - and you can thus assume it's much higher. Greenpeace is currently conducting independent radioactivity tests but Japan will not allow them more than 12 miles from the coast.
http://news.yahoo.com/s/afp/20110504/wl_afp/japandisasteraccidentnuclearWed May 4, 2:23 am ET
TOKYO (AFP) – Levels of radioactive substances have jumped in the Pacific seabed off Japan near the nuclear power plant crippled by a massive tsunami in March, according to the plant operator.
Seabed samples collected some 15 kilometres (nine miles) from the Fukushima Daiichi nuclear plant contained 1,400 becquerels of radioactive caesium-137 per kilogramme, Tokyo Electric Power Company (TEPCO) said.
The level is more than 600 times higher than a maximum 2.3 becquerels per kilogramme detected in the past off the northeastern prefecture of Fukushima.
The samples, taken on Friday, also contained 1,300 becquerels of caesium-134 and 190 becquerels of iodine-131, according to a TEPCO statement issued late Tuesday after the first analysis of seabed soil since the March 11 disaster.
Levels of the two materials were too low to be gauged in the past, a TEPCO spokeswoman said. The company did not say whether the levels were considered harmful. MORE AT LINK