"Cold Shutdown" controversy at Fukushima Daiichi

There has been a lot of bad press about the announcement by the Japanese Government that the reactors at Fukushima Daiichi have achieved a s...

Fukushima Daiichi update - December 13, 2011

There is little significant news coming out of Fukushima Daiichi, at least in terms of the number of reports. Two of the few reports are, ho...

TEPCO reporting on vessel failure

NHK has carried the distilled result of information it has obtained from TEPCO regarding the possible amount of fuel damage, and melt, and v...

Xenon at Fukushima Daiichi No 2: Case closed?

NISA and TEPCO have released fairly voluminous documents to support the theory that spontaneous fissions of isotopes such as Curium 242 and ...

Xenon / Fukushima Daiichi No. 2 - Thursday afternoon update

The information at present from TEPCO echoes that printed here this morning. Here is the latest TEPCO analysis: -We found a possibility to d...

Xenon detected at Fukushima Daiichi No. 2 again

DEVELOPING STORY A second sample run at Fukushima Daiichi No. 2, a day after the first, has detected Xenon-135 but failed to detect any Xeno...

Xenon detected at Fukushima Daiichi No. 2 - UPDATE

DEVELOPING STORY -At this point NHK news is leading its broadcasts with the observation that the Fukushima Daiichi station is on what it cal...

Fukushima Daiichi update: October 28, 2011

A number of updates from Fukushima Daiichi... -TEPCO has announced that as of today, the final additions to the enclosure structure at No. 1...

Fukushima Daiichi update: Saturday, June 18, 2011

Note: I am keeping track of the situation at the Ft. Calhoun station in the USA, which is in the midst of a flood of the Missouri River and ...

NISA instruction to TEPCO

NISA, or for those who are recently joined readers, the Nuclear and Industrial Safety Agency, has instructed TEPCO (Tokyo Electric Power Com...

NISA 'instructs' TEPCO to report....

TEPCO has been ordered by NISA to provide an operational history, including all the way back to the original Great East Japan Earthquake, in...

TEPCO revises fuel damage estimates...

TEPCO, according to NHK, has revised its fuel damage estimates for the three reactor plants at Fukushima Daiichi with installed cores. TEPCO...

Thursday afternoon update... 4/14

NISA is reporting sharply rising temperatures in No. 3 reactor. Apparently the highest is about 250C. TEPCO is saying now that the readings ...

A couple of afternoon updates....

TEPCO is reporting that there is indeed damage to the fuel stored at No. 4 plant's spent fuel pool as a result of obtaining a water samp...