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I personally think that with the possible exception of #3 the corium is still in the containment vessels and so most of the radioactivity is still contained, what gets out goes in the water leaks. But I don't have any info on that, it's just my supposition.

@hudebnik Greenpeace has teams conducting radiation readings and analysis of different sorts (food, water, soil...) all over. If there is something out there that we don't know they will surely find out. We just have to keep our eyes open.

@Pedro Jesus Interesting that Greenpeace have published no groundwater data from Japan. This is unusual as food, air, soil and water analyses are pretty much standard measurements for them, so I assume there's collected data which has not [yet] been cleared for public release.

(with = will) brain not working well yet

@es Sure, but you know how Greenpeace works...

Greenpeace was not allowed on japanese soil or inside the 30km evac area air,sea or land.

@Pedro Jesus the readings inside from tepco.

Just look at the data I posted, Cs-137 levels do not drop by 50% in one day. www.mext.go.jp

@Ralph Unger They're not supposed to if there are still emissions (and we know from TEPCO that there are). Also, the half-life of radioactive particulates doesn't tell you that the readings will half along a certain time. There are other variables such as concentration of radioactive particulates and that can change in the air and on the ground with the wind and in the water with the wind and currents. It's a little more complex than that.

Because they are taking readings outside the"controlled area" and comparing them with inside the controlled area...tepco measurements..on a phone,pls excuse mistypes.

Greenpeace Fukushima radiation monitoring teams call for further evacuation: www.greenpeace.org

Greenpeace: Japanese Government must immediately investigate seaweed contamination: www.greenpeace.org

@Edano What they did say on that interview is that there are certain areas outside the exclusion zone that show more radiation than certain areas around the plant and inside the exclusion area, advising that the exclusion area should be enlarged.

Am not implying that greenpeace is inau
ccurate, j

Hi Nancy! For the first time we have a comprehensive and continuous record in graphical form covering all reactors and since 20 March - see my post from 0914 onwards.

But greenpeace doesnt have access to the same areas tepco or safecast does... Sorry fingets large

The contaminated ground water, beyond what we already knew in the plant, is new. But I have read of concerns that it could be seeping into groundwater that could send it far away from the plant.
I had been reading through some of the technical documents Dean has posted and the IC system played a role is keeping a number of needed systems running if they lost grid power. When they lost everything else they couldn't re-open the valve. But the pressure loss could have been an indication of much bigger issues. The fried electricals at 2 was something one of the reporters I spoke to cited early on as a big problem and proof they were not going to get things running again any time soon to control the reactors. The workers knew the system was toast. Somewhere I have an image from cryptome that has a pair of steel doors caved in and a set of electrical panels. Those panels were identified as something that is major electricity management. What a dumb place to have them.

Pedro ..just acomparrisson , the best GP can do! They are trying to give good[usefull] info as best they can. It is a good outside source.

@hudebnik : can you please link your graphical record again ?

@Edano - the data page is here www.tepco.co.jp tx with Google, go down to the Daiichi status section, there you will find COMPREHENSIVE temp, water etc data, per reactor, since 20 March.

@nancy for some reason, I saW that pic last night. B