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Originally posted by MissTiger
Internet NHK back online
Efforts are ongoing, too, on the Nos. 4, 5 and 6 reactors -- each of which have their own concerns, though less pronounced because the units were on scheduled outages when the quake struck. None of these three units had nuclear fuel inside their reactors, though efforts are ongoing to control temperatures inside the spent fuel pools.
Residents within 18 miles of the hobbled Fukushima plant are urged to leave; the previous limit had been 12 miles.
Originally posted by MissTiger
reply to post by zorgon
Picture too zoomed in to see if it's a green crane. Steam coming out of opening at side of reactor 2, believed to be spent fuel pool.
AP Photo/Tokyo Electric Power Co. via Kyodo News) Hide caption In this photo taken Wednesday, March 16, 2011 and released by Tokyo Electric Power Co. via Kyodo News Friday, smoke billows from wrecked unit 3 at Japan's crippled Fukushima Dai-ichi nuclear power plant in Okumamachi, Fukushima Prefecture
Okay got the feed pics... yup looks like the same green thing to me
Approximate radiation levels at different locations shortly after the explosion:
Location Radiation (roentgens per hour) Sieverts per hour (SI Unit)
Vicinity of the reactor core 30,000 300
Fuel fragments 15,000–20,000 150-200
Debris heap at the place of circulation pumps 10,000 100
Debris near the electrolyzers 5,000–15,000 50-150
Water in the Level +25 feedwater room 5,000 50
Level 0 of the turbine hall 500–15,000 5-150
Area of the affected unit 1,000–1,500 10-15
Water in Room 712 1,000 10
Control room, shortly after explosion 3–5 .03-.05
Gidroelektromontazh depot 30 .3
Nearby concrete mixing unit 10–15 .10-.15
TOKYO – A suspected breach in the reactor core at one unit of a stricken Fukushima nuclear plant could mean more serious radioactive contamination, Japanese officials said Friday, revealing what may prove a major setback in the mission to bring the leaking plant under control. The uncertain situation halted work Friday at the Fukushima Dai-ichi nuclear complex, where dozens had been working feverishly to stop the overheated plant from leaking dangerous radiation, officials said. Suspicions of a possible breach were raised when two workers waded into water 10,000 times more radioactive than normal and suffered skin burns when the water splashed over their protective boots, the Nuclear and Industry Safety Agency said. Read more: www.foxnews.com...
Note: The JSDF has made available thermographs from March 20, March 23 and March 24
@W7VOA: Yomiuri: TEPCO detected zirconium 95 at 0.23 Bq 330m south of Fukushima-1 drainage outlet on Wednesday.
@W7VOA: This would indicate nuclear fuel cladding melting from rods in spent fuel pool.
@W7VOA: Asahi Shimbun, quoting Japan NRC, says #Fukushima event has become a Level 6 on INES scale.
t would replace the sea water being used that is causing corrosion because of an accumulation of tons of salt.
Scientists say chloride in the salt could also break open the zirconium alloy layer of protection around the fuel rods which prevents volatile radioactive elements from escaping.
Japanese government agencies say they are considering raising the assessment of the nuclear crisis to a level six or "serious accident" on the International Nuclear and Radiological Event Scale. Currently, the Fukushima accident is rated a level five, which is considered to "have wider consequences."
The Japanese government says an investigation is under way to establish the source of the radiation leak at the quake-hit Fukushima nuclear plant, which left two workers in hospital. The plant's operator says dangerously high radiation levels recorded in water at one reactor raise the possibility its core has been damaged.
The two workers, who remain in hospital, had reportedly not been wearing the correct protective boots and had ignored a radiation alarm at the plant.