This BLOG will be about environmental issues, slow and nonexistent government involvement and poor public awareness and response.
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Japan is racing to gain control of the crisis at the Fukushima nuclear power plan. Where does the most detailed data come from? Updated daily •Get the data
The 9.0 magnitude earthquake and following tsunami on March 11 has seen a rush by officials to gain control of power plants in the north-east of the country.
The latest is that radioactive water from the plant isleaking into the sea. The 20cm (8in) crack in a containment pit under reactor two may be the source of recent radiation in coastal waters, Tokyo Electric Power (Tepco) officials said.
Industry body theJapan Atomic Industrial Forumare currently publishing daily updates of the status of power plants in Fukushima which give great detail into the condition of each reactor. Ranked from a level of low to severe, the update records the conditions of core and fuel integrity, water level and containment amongst other key information. These are some of the most in-depth and recent records and show how the crisis is being handled.
The table below shows the status of the reactors in the Fukushima Daiichi (the largest of the Fukushima power plants) and is colour coded to show the severity. Green for low, yellow represents high and red shows those of severe significance as judged by theJAIF.We have usedJAIF's update 54 as of 16:00local time as this is the most up to the minute data we can get.
A table of major incidents and accidents at the plants can be found in our spreadsheet as can the data for Daini, Onagawa and Tokai Daini Nuclear power stations. What can you do with this data?
Fukushima nuclear power plant update - 2 April 2011
SOURCE: JAIF ●Status in Fukushima Dai-ichi NPS site Radiation level: 0.83mSv/h at the south side of the office building, 131μSv/h at the Main gate, 59μSv/h at the West gate, as of 15:00, Apr. ２nd. Radiation dose higher than 1000 mSv was measured at the surface of water accumulated on the basement of Unit 2 turbine building and in the tunnel for laying piping outside the building on Mar. 27th. Plutonium was detected from the soil of the Fukushima Dai-ichi NPS site on Mar. 28th. The amount is so small that the Pu is not harmful to human body. Radioactive materials exceeding the regulatory limit have been detected from seawater sample collected in the sea surrounding the Fukushima Dai-ichi NPS since Mar. 21st. Radioactive Iodine, I-131, 4,385 times higher than regulatory limit was detected on Mar. 30th. It is discovered on Apr. 2nd that there is highly radioactive (more than 1000mSv/hr) water in the concrete structure housing electrical cable and this water is leaking into the sea through cracks on the concrete wall. Radioactive materials were detected from underground water sampled near the turbine buildings on Mar. 30th. ●Progress of the work to recover injection function Water injection to the reactor pressure vessel by temporally installed pumps were switched from seawater to freshwater at Unit 1, 2 and 3. High radiation circumstance hampering the work to restore originally installed pumps for injection. Discharging radioactive water in the basement of the buildings of Unit 1through 3 continue to improve this situation. To find a place the water to go becomes a problem. ●Function of containing radioactive material It is presumed that radioactive material inside the reactor vessel may leaked outside at Unit 1, 2 and Unit 3, based on radioactive material found outside. NISA announced that the reactor pressure vessel of Unit 2 and 3 may have lost air tightness because of low pressure inside the pressure vessel. NISA told that it is unlikely that these are cracks or holes in the reactor pressure vessels at the same occation. ●Cooling the spent fuel pool Steam like substance rose intermittently from the reactor building at Unit 1, 2, 3 and 4 has been observed. Injecting and/or spraying water to the spent fuel pool has been conducted. ●Prevention of the proliferation of contaminated dust: There is a plan to spray synthetic resin to contain contaminated dust.