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Japan - Fukushima Daiichi Nuclear Power Plant Crisis - Units 1 - 6 Reports, News, Graphics - March 17 - April 20, 2011
Re: Japan - Fukushima Daiichi Nuclear Power Plant Crisis - Units 1 - 6 Reports, News, Graphics - March 17 +
machine translation -
Containment pools in reactors 1-6 all measure under 100 degrees temperature. The containment of reactor 3 is still a problem.
Under the surface of Unit 1 at 100 6
1:00 min 21 3 twitter tweet in (click on the site leaves the NHK)
Sawa Kita Defense Minister, the Ministry of Defense press conference about the Fukushima Daiichi Nuclear Power Station, followed by 19 days, the surface temperature was measured from the sky, except for the containment of Unit 3, Unit 1 6 Unit until, in less than 100 degrees both in expert analysis, it was shown clearly to the view that as valuable data confirms that the water has entered the pool to store spent fuel.
In this context, the Minister of Defense Sawa Kita, following 19 days, 20 days from about 1:00 pm, about an hour from an altitude of Fukushima Daiichi Nuclear Power Station Self-Defense Force helicopter, using infrared surface temperature We found that for the activities. He added, Sawa Kita Minister of the measurements of 20 days, their surface temperature is 58 degrees Unit 1, Unit 2 is 35 degrees, 62 degrees No. 3, No. 4 42 degrees, 24 degrees is No. 5, No. 6 is 25 degrees, clear that for both was less than 100 degrees. Among them, No. 1, No. 3, for Unit 4 is expected to keep the surface temperature of the spent fuel pool. These results, the Minister Sawa Kita "According to the Nuclear Safety Commission, [it became clear that water has entered the pool to store spent fuel, but he'd evaluate that very valuable data. 100 None times less than that, as a result of yesterday, get out for a number of security people are relieved, "he said. The Minister Sawa Kita is on the containment of Unit 3, but 128 degrees was measured, "according to the experts, so right above the core, that it is within the range of expected values," stated .
Re: Japan - Fukushima Daiichi Nuclear Power Plant Crisis - Units 1 - 6 Reports, News, Graphics - March 17 +
machine translation -
Water cannons will continue on unit 4.
Unit 4 Self 21 days to discharge
9:04 am March 3 twitter tweet in (click on the site leaves the NHK)
SDF is used to cool the pool to store spent nuclear fuel in Fukushima Daiichi Nuclear Power Station Unit 4, decided to discharge 21 days following 20 days.
The No. 3 and No. 4 of Fukushima Daiichi Nuclear Power Station, which is no longer cool the spent fuel storage pool, it may leak large amounts of radioactive material to remain as it is. SDF, followed by Unit 3, 20, made the No. 4 to the first discharge for discharging 160 tons of water alongwith two morning and afternoon. On the work of cooling Unit 4 and the No. 3 nuclear power plant Fukushima Daiichi, the headquarters of the government has decided to take advantage of special vehicles put poured a lot of water and squeeze the location, also set January 21 as early as Is expected to begin work. Self-Defense Forces during the operation until the beginning of this special vehicle, as it is necessary to cool the discharge of fire continued in No. 4, I decided to do a 21 day from early morning watering. According to the Ministry of Defense, is that 21 to 90 tons of water discharge in the preparations along more than 10 fire engines. And water is, If you go according to plan, is expected to finish in 21 morning.
Re: Japan - Fukushima Daiichi Nuclear Power Plant Crisis - Units 1 - 6 Reports, News, Graphics - March 17 +
machine translation -
Today the wind is blowing north to south. Tomorrow the wind will blow southeast to northwest.
Wind from the north will continue to nuclear
12 hours 58 minutes March 21
Around the Fukushima Daiichi Nuclear Power Station is seen as a weak windblowing from north to south and is expected to last full 21 days. According to the agency, in the vicinity of the Fukushima Daiichi Nuclear Power Station, are expected to moderate wind is blowing from north to south. 21 lots are expected to remain in the weak wind from the north, the wind changed 22 days, is expected to blow from the southeast towards the northwest side of the ocean landward.
Re: Japan - Fukushima Daiichi Nuclear Power Plant Crisis - Units 1 - 6 Reports, News, Graphics - March 17 +
machine translation -
Grey smoke coming from unit 3 caused evacuation of personnel. Water cannon spraying also suspended. No "major" increase in radiation level for now.
White smoke coming from unit 2 may be from water cannon effects on cooling pool.
Unit 2 Unit 3 fit smoke smoke
19:52 March 21
According to METI's Nuclear and Industrial Safety Agency, about 55 minutes at 3:00 pm July 21, the greyish smoke risen from Fukushima Daiichi Nuclear Power Station Unit 3 TEPCO, 2:06 pm just over two hours fit in minutes, but for now, major changes in the value of the premises is that radiation does not. Meanwhile, at 6:20 pm so that it is found that the white smoke from the Unit 2 reactor building, and to check the status of Electric Power Company.
At around 3:00 pm 21 55, confirmed that employees of TEPCO gray smoke rising from the Fukushima Daiichi Nuclear Power Station Unit 3 Electric Power Company. According to NISA, the scene where the south side of the building containing the reactor's spent fuel pool on Niatari smoke, but became gradually less, until 2:06 pm minutes It is settled that. Significant changes in the value of the radiation on the premises at the moment it's not. In this fire, TEPCO workers had evacuated all the work and working to restore power in the No. 4 from No. 1 to 9:04 pm min. June 21, arranged by TEPCO had planned to put drainage in special vehicles poured a lot of water and squeeze the place, depending on Nuclear Safety Agency, working with 21 This was discontinued in smoke is that. Meanwhile, minutes past 20:06 pm, in the Unit 2 reactor building, and have found that white smoke from the mountain side of the roof space. In Unit 2, from three o'clock Thursday afternoon, over two hours, had been working to inject about 40 tons of spent fuel pool water.
Re: Japan - Fukushima Daiichi Nuclear Power Plant Crisis - Units 1 - 6 Reports, News, Graphics - March 17 +
machine translation -
The Tokyo fire department will no longer be working at the plant.
Tokyo Fire Department will discontinue discharge activity
21:08 March 21
According to the Tokyo Fire Department, the Tokyo Fire Department units are dispatched to the Fukushima Daiichi Nuclear Power Station, now 21, is not to do drainage work.
Tokyo Fire Department, over two nights until 21 am, with continuous drainage for cooling the No. 3 long-Fukushima Daiichi nuclear power plant. The plans were underway to adjust the discharge activity 21 days, 21 days of discharge activity as directed by the national headquarters of the incident have now been performed. There was a lot of smoke from the No. 3 and No. 2 and is seen as to ensure safety. The Tokyo Fire Department for future flood control activities are being considered and so on to Electric Power Company.
Re: Japan - Fukushima Daiichi Nuclear Power Plant Crisis - Units 1 - 6 Reports, News, Graphics - March 17 +
machine translation -
SDF tanks have damaged some of the buried temporary cables and have been withdrawn from the cleanup effort.
Carefully consider the activities of Self-Defense Forces tanks
21:08 21 March 21
SDF is dispatched on the tank to remove debris in the Fukushima DaiichiNuclear Power Station, has begun to emerge as damaging the cables, laid down by the weight of the body temporarily, in consultation with the activities Getting Toukyoudenryoku Has yet to be determined carefully.
Nuclear power plant Fukushima Daiichi, but has done activities such as discharge of fire and the SDF and the site is littered with the debris of a large amount out of radiation to higher energy impact of hydrogen explosion, they become the way of activities Masu. Therefore, the SDF is to remove the rubble, there are certain defenses against radiation thicker armor "tank" decided to send, 21, both based in Fukushima prefecture town of Naraha 2 tank 74 Arrived. However, the weight of thetank is approximately 38 tons per vehicle, and field survey results have been accomplished by the SDF, the pipes are buried underground cablewas laid and the Tokyo Electric Power Co. for temporary restoration of the external power Is that there is found to be damaged by the weight of the vehicle. Therefore, the SDF will continue to scrutinize the situation and the nuclear power plant site, Getting work that has been carefully determined in consultation with the Electric Power Company.
Re: Japan - Fukushima Daiichi Nuclear Power Plant Crisis - Units 1 - 6 Reports, News, Graphics - March 17 +
machine translation -
AEESA is going to check to see if any radioactive material has washed into the ocean from the water cannon efforts on the reactors.
Watch for any discharge of water runoff into the sea
13:22 May 21
Fukushima Daiichi nuclear power plant, the discharge has continued to work to cool the spent fuel pool, there is a possibility that some of the water flowing into the sea when it was injected, the Ministry of Atomic Energy Economy Safety Agency is now going to watch it and do not contain radioactive material.
Fukushima Daiichi nuclear power plant is no longer cool to have you kept the spent fuel pool, and fire departments and the Self-Defense Forces are continuing to discharge water into the pool and the No. 3 No. 4. Watering is done from a distance with great force, and enter the case against building the pool ▽, has come out from case and entered the building once ▽, in some cases may contain radioactive material Considered. NISA do this or not water is flowing into the sea near the time of discharge, it will continue to monitor the presence of radioactive materials. For suspended solids flowed into the sea from the Fukushima Daiichi nuclear power plant, but has confirmed that from 19th June 4 flood control work has begun investigation of the radioactive material is that it did not go so far. NISA is "When you work watering, that possibly from the building flows into the sea water containing radioactive material. and to have a profound effect on the amount of water is unlikely to continue to validate "I said.
Re: Japan - Fukushima Daiichi Nuclear Power Plant Crisis - Units 1 - 6 Reports, News, Graphics - March 17 +
Monday, March 21, 2011 19:35 +0900 (JST)
5 radioactive materials detected
Tokyo Electric Power Company says some of the nuclear fuel at the Fukushima Daiichi nuclear power plant has apparently been damaged, as higher levels of radioactive materials have been detected in the vicinity.
snip
Officials detected in the air 5 radioactive materials that are generated by nuclear fission.
The level of iodine 131 was 5.9 milibecquerels per cubic centimeter. That's about 6 times the permissible level for workers without protective masks.
The density of the other substances was also higher than usual, but within safety standards.
Re: Japan - Fukushima Daiichi Nuclear Power Plant Crisis - Units 1 - 6 Reports, News, Graphics - March 17 +
machine translation -
Radiation level temporarily rises. TEPCO checking to see if related to fire in unit 3.
TEPCO smoke-related research and the radiation dose
21:55 March 21
21 pm, gray smoke rising from the Fukushima Daiichi Nuclear Power Station Unit 3 TEPCO 収Marimashita just before 6:00 pm so more than two hours. Meanwhile, minutes past 20:06 pm is that found that white smoke like steam from the reactor building of Unit 2. According to TEPCO, period, dose-site, a temporary, there is an upward trend, it has begun to fall again from 6:30 pm to examine the association with smoking.
At around 3:00 pm 21 55, greyish smoke from Agari Fukushima Daiichi Unit 3 nuclear power plant, and black smoke, but grayed out or, to fit into two hours after six o'clock, at this point The fire was not confirmed. According to NISA, the scene where the south side of the building containing the reactor, hit on the spent fuel pool, TEPCO workers had hit and the restoration work of power in the No. 4 from No. 1 everyone evacuated. Meanwhile, at 6:20 pm so that the reactor building of Unit 2 is that found that white smoke like steam through a gap in the mountain side of the roof. According to TEPCO, the radiation dose to the west about a kilometers away from Unit 2 and Unit 3, but was microsievert 494 per hour for 40 minutes at 5:00 pm at 6:30 pm, 1 microsievert rose to 1932 per hour. Then started to fall again at 8:30 that afternoon I dropped to 442 per hour microsievert, to examine the relationship between TEPCO smoke. Was scheduled for September 21 in this smoke, and the Tokyo Fire Department, special vehicles with water cannon put a lot of water poured arranged to focus where is that TEPCO was aborted.
Re: Japan - Fukushima Daiichi Nuclear Power Plant Crisis - Units 1 - 6 Reports, News, Graphics - March 17 +
Workers evacuate Japan nuke plant as smoke rises
Grey smoke rises from Unit 3 of the tsunami-stricken Fukushima Dai-ichi nuclear power plant in Okumamachi, Fukushima Prefecture, Japan, Monday, March 21, 2011. (Tokyo Electric Power Co.)
Japanese officials were forced to pull workers out of a disaster-ravaged nuclear power plant Monday for radiation safety reasons after unexplained grey smoke was spotted coming out of two reactor buildings.
It was the latest setback for officials trying to stabilize the troubled Fukushima Dai-ichi plant that has suffered explosions, fires and radiation leaks in several reactors since the massive earthquake and tsunami struck Japan on Mar. 11.
CTV's Tom Walters reported Monday that the first smoke was seen coming out of Dai-ichi's Unit 3 reactor building, but officials were unable to immediately identify the cause.
Smoke was later seen coming out of the Unit 2 reactor and remains under investigation.
"The next major advancement in the health of American people will be determined by what the individual is willing to do for himself"-- John Knowles, Former President of the Rockefeller Foundation
Re: Japan - Fukushima Daiichi Nuclear Power Plant Crisis - Units 1 - 6 Reports, News, Graphics - March 17 +
machine translation -
This article says that the white smoke from unit 2 caused a temporary rise in the radiation readings. People on site were evacuated. Broken fuel rods in the cooling pool might be leaking some radioactive material.
Unit dose or two rising influence
22:29 March 22
21, white smoke rising from No. 2 in Fukushima Daiichi Nuclear Power Station, and then about a temporary rise in the west of Unit 2 of the radiation dose, Nuclear and Industrial Safety Agency of the Ministry of Economy, wind from other times and showed that there is a related view.
In Unit 2 nuclear power plant first Fukushima, at around 20:06 pm May 21, found that the rising white smoke from the roof of the building containing the reactor, all the people working on the No. 4 from No. 1 evacuated to the interior. According to TEPCO, the radiation dose of about 1 km away near the main gate of the power plant west of Unit 2, but was microsievert 494 per hour for 40 minutes at 5:00 pm at 6:30 pm, 1 microsievert rose to 1932 per hour. Then the value is that it was 380 per hour at 10:00 pm microsievert started to fall again. Nuclear Safety Agency This is the white smoke and added that the possibility of water vapor evaporating the spent fuel pool, and that was blowing toward the main gate from the No. 2 at the time the wind showed that the view that the idea of white smoke came out due to the rise in the value of Unit 2 from the radiation dose to match the time zone. NISA is a broken fuel rods, as it may be leaking radioactive material into the pool, to be monitored closely.
Re: Japan - Fukushima Daiichi Nuclear Power Plant Crisis - Units 1 - 6 Reports, News, Graphics - March 17 +
machine translation -
Radioactive cesium and iodine exceeding national standards are found in the ocean near the plant. They are still investigating and do not know the impact on fishing. They have only rated one area and plan and investigating further.
Check the radioactive material from the sea
3:39 March 22
TEPCO, examining the water near the Fukushima Daiichi Nuclear Power Station, found that contain radioactive cesium and radioactive iodine andexceed national standards. TEPCO Fukushima submit to the other, spreading radioactive material or not, we decided to expand the range of investigation.
TEPCO, 21 at 2:30 pm, flush out water from the facility in Fukushima Daiichi nuclear power plant, "outlet" at a point 100 m south of the investigated water contained radioactive materials. As a result, the reference value is determined by the law of radioactive iodine 131 was detected at concentrations ▽ 126.7 Other times, ▽ 24.8 times theradioactive cesium 134, cesium 137 times the concentration of radioactive▽ 16.5 Has been detected.
The radioactive cobalt 58 was detected below the national baseline ▽. Reference value, and continue to take an average daily volume to 1 year the national drink, is that the concentration shown to be equivalent to 1 mSv per year and is safe to bathe the general public. TEPCO, "the impact on fish and the entire area of investigation is not yet rated only one location, " as well as reporting and Fukushima, spread radioactive material or not, to investigate further to expand the range Possibly to.
Re: Japan - Fukushima Daiichi Nuclear Power Plant Crisis - Units 1 - 6 Reports, News, Graphics - March 17 +
machine translation -
22 Unit 2 control room after restoration
4:47 in March 22
Cooling function is lost in the Fukushima Daiichi Nuclear Power Station has fallen into serious Toukyoudenryoku, 21, No. 3 from the effects of smoke came out, and discontinued work activities and external power is restored drainage, 21 Recovery of the central control room of Unit 2 during the day was aimed Zure込Mimashita after 22 days.
Fukushima Daiichi Nuclear Power Station in the gray smoke rising from the Unit 3 reactor building before 4:00 pm May 21, went out over more than two hours. Too much at 6:20 pm In addition, found that out white smoke like steam from building the reactor of Unit 2, Tokyo Electric Power, to No. 4 from No. 1 had been hit and restoration work on the power brought indoors to evacuate all workers. After the white smoke rose from No. 2, the radiation dose near the main gate about 1 km away to the west plant, but was microsievert 494 per hour in 40 minutes 21 5:00 pm, 6:30 pm has risen to 1932 per hour microsievert.Nuclear and Industrial Safety Agency of the Ministry of Economy, which came out as a high value when the wind was blowing from east to west, which may have an influence wind direction and time, then the radiation dose, is down again. In effect, the Tokyo Fire Department and had been planned, in addition to flood control has been discontinued by the special vehicles poured a lot of water put the focus where arranged by TEPCO, the restoration work will be discontinued for an external power supply . This power recovery efforts, and is the key to recovering the lost cooling, TEPCO is working in parallel to rapidly discharge activity. 21, No. 5 in the switch to the external power supply from emergency generator to supply water to the pump and the reactor could be as cool and stable, has also been seen encouraging signs. On the other hand, work that was interrupted by the evacuation, indoor air-conditioning equipment and instrument recovery central control room of Unit 2 was aiming for a 21 days have now been delayed until after 22 days. 21 night, Mutou Sakai, vice president of TEPCO's nuclear charge of the press conference, "We apologize for any inconvenience or worry, sincerely apologize," and apologize for the Fukushima Daiichi nuclear power plant accident, and "not necessarily stable reactor The state has not been, it is important to go back to a safe condition as soon as possible, and I think the biggest responsibility, "he said.
Re: Japan - Fukushima Daiichi Nuclear Power Plant Crisis - Units 1 - 6 Reports, News, Graphics - March 17 +
machine translation -
Exceeded half the standard in breast Haramati Hukushima Kawamata
4:47 March 22
In Fukushima Prefecture, the milk prior to shipment = A problem has been detected radioactive material exceeds the national standards from raw milk, the Fukushima Prefecture, were examined in the city Kawamata was detected radioactive material in the first farm was investigated was found that more than half the reference value. Fukushima is a number immediately impact on health has not.
In Fukushima Prefecture, five times the radioactive material 3 of the provisional standard of food hygiene law from raw milk were collected in the city Kawamata, iodine-131 was detected. Later, radioactive material is detected over the reference value in the village of raw milk Iidate Shinchichō Kunimimachi Iwaki, Fukushima Prefecture, the prefecture for dairy farmers, to refrain from requesting a shipment of raw milk. Of these about the city Kawamata, Fukushima Prefecture, published the findings of 20 days, equivalent to half of the six farms surveyed farms, announced over the reference value. Among these is that there were 131 farms of iodine was detected 17 times more than 5300 Becquerel reference value. Fukushima: "The value is not found in immediate impact on health, I want to support calm," I said.
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