http://blog.alexanderhiggins.com/2012/05/16/tepco-date-reveals-nuclear-meltdown-reactor-4-spent-fuel-pool-133571/
That chart shows a highly level of radioactive iodine 131 was released from the reactor 4 spent fuel pool, which means there was a nuclear meltdown in the pool.
Last year TEPCO downplayed the detection of cesium in the fuel pool by claiming the cesium detected in reactor 4 was only 1/100th of the mount detected in reactor 1, 2 and 3 hence concluding the detected cesium was likely ‘blown’ into reactor 4 from the other reactors.
However, TEPCO hid the fact they detected a massive release of iodine radiation – which is a clear sign of a nuclear meltdown – in reactor 4 spent fuel pools.
Iodine 131 was measured from SFP4
Last year, 4/12/2011, 2.2E+8 Bq/m3 of Iodine 131 was measured from the water of SFP4 to suggest the spent fuel had recriticality after 311.
Cesium 134/137 were also measured, but Tepco states it’s about 1/100 of the amount in reactor1~3, they are likely to be blown from them.
However, Tepco did not show the comparison of the amount of Iodine 131 measured in SFP4 and reactor1~3.
Source:The Fukushima Diary
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Ese cuadro muestra un nivel muy de yodo radiactivo 131 fue puesto en el reactor 4 la piscina de combustible gastado, lo que significa que hubo una fusión nuclear en la piscina.
El año pasado TEPCO restó importancia a la detección de cesio en la piscina de combustible al afirmar que el cesio detectado en el reactor 4 era sólo 1/100th de la montura detectado en el reactor 1, 2 y 3 por lo tanto, la conclusión del detectado cesio era probable "quemado" en el reactor 4 de los otros reactores.
Sin embargo, TEPCO ocultó el hecho de haber detectado una liberación masiva de radiación de yodo - que es una clara señal de un desastre nuclear - en el reactor 4 piscinas de combustible gastado.
TEPCO creo que es una fuente "creible" ¿ no ?
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