radiation
Tag archives for radiation
Fuk-D: more info from NISA
Posted by Steinn Sigurðsson on March 24, 2011 NISA has a concise summary of the status of the reactors at Fukushima Daiichi (pdf) Includes temperatures on reactor vessel surface where available. They show reactor 2 as cold and unpressured, the rise in temperature in reactor 1 – so something in there is generating heat at a significant rate, but at least the rector…
Fuk-D: what happened to the reactors?
Posted by Steinn Sigurðsson on March 21, 2011 It will probably be some years before we get the full story of what happened at the Fukushima Daiichi reactor complex after the earthquake. Information has not exactly been put out coherently or comprehensively, but we can make some inferences from the data that is out there. It is likely that one or two reactor…
Fuk-D: nuclear boy poops
Posted by Steinn Sigurðsson on March 18, 2011 Brilliant! h/t h/t Tokyo Progressive
Fuk-D: radiation monitoring
Posted by Steinn Sigurðsson on March 17, 2011 The Japanese Atomic Energy Authority has online environmental radiation monitors. The list of stations is here. View Larger Map The monitoring station at O-arai is the one between Fukushima and Tokyo. Ambient radiation levels there are 30-40 nGy per hour. Current levels are around 300 nGy/h – ten times normal. Acute radiation effects are seen…
fukushima questions of nippon
Posted by Steinn Sigurðsson on March 15, 2011 there are a number of questions that need answer regarding the situation at the Fukushima Daiichi nuclear reactor, aka Fuk-D. As a starting point, here is an amateur online feed of radiation in Tokyo (Park18). It is a geiger-counter, the normal count rate is 10-20 cpm, around noon on march 15th the count rate peaked…