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Radioactivity in water dumped from Fukushima plant lower than thought
The release of contaminated water sparked concern among such countries as China, South Korea and Russia over the possible impact on marine life and the environment, with Seoul complaining that it had not been notified in advance.
TEPCO dismissed the view that its latest release of contaminated water could pose an immediate risk to health, saying the level of radiation a person would be exposed to by eating seafood caught in nearby waters every day for a year would amount to 0.6 millisievert, which is still lower than the annual exposure limit of 1 millisievert for ordinary people.
But the water release angered local fishermen. TEPCO, which reported the findings to fisheries cooperatives in Fukushima and Ibaraki prefectures on Friday, said it was strongly warned by cooperative officials not to repeat the intentional dumping.
BERLIN (AP) -- Chancellor Angela Merkel's government says Germany will replace its reliance on nuclear power by increasing renewable energy sources after Japan's Fukushima disaster.
Merkel told reporters that a bill on the overhaul of the energy sector would go before parliament by mid-June. The plan foresees an expansion of the electric grid, investment in renewable energy sources and increased efficiency.
Originally posted by mrbillshow
I believe the most recent report says it has not reached it's previous level yet, but is close.
Tokyo Electric Power Company says the level of radioactive water is increasing in a tunnel at the No.2 reactor at the Fukushima Daiichi nuclear power plant.
The large amount of contaminated water in basements and tunnels is hampering operations to restore the plant's cooling systems.
On Wednesday, TEPCO finished transferring some of the wastewater -- about 660 tons -- from the No.2 reactor tunnel to a condenser in a turbine building.
It says the water level in the tunnel dropped 8 centimeters after the transfer, but had returned to its previous level by Friday morning.
Earlier this month, TEPCO found highly radioactive water leaking into the sea from a pit near the No.2 reactor.
The utility suspects that plugging the leak has trapped radioactive water from the No.2 reactor in the tunnel.
TEPCO says there are at least 50,000 tons of contaminated water at the plant. It will use a waste-processing facility, makeshift storage tanks and a floating tank to store the radioactive water.
The company is also preparing for a possible shutdown of external power sources, as major aftershocks continue. It plans to finish moving emergency diesel power generators to higher ground on Friday to protect them from tsunami.
Friday, April 15, 2011 12:18 +0900 (JST)
Tokyo Electric Power Co. (TEPCO), the operator of Japan's crippled Fukushima 1 Nuclear Power Plant, began dumping bags with zeolites which are able to absorb radioactive substances into the sea, Kyodo news agency reported on Friday.
Bags were also dumped into the drainage system of the second and third power blocks.
Zeolites are microporous, aluminosilicate minerals commonly used as commercial adsorbents.
Originally posted by bitbytebit
the reality is people on this thread don't know as much as people living in the situation.
Originally posted by rancher1
, this thread is toast.
A July 17, 1979, article from the Washington Post reported that a study by the Bechtel Corporation estimated it would cost $405 million (with $25 million added for uncertainties) and take 4 years—until June 1983—to clean up after the incident and restart the reactor. This cost estimate corresponds to roughly $1 billion in 2011 dollars.
In fact, it took 11 years and 1 month to clean up the mess and NOT return the reactor to operation. And it cost twice as much not to restart the reactor as Bechtel thought it would cost to restart it.
The TMI accident affected a single reactor. The Fukushima crisis seriously affected 3 reactors and 4 spent fuel pools. The amount of damaged fuel at Fukushima may be greater than the total amount of fuel damaged in all previous nuclear accidents combined.
Following the classification of the Fukushima nuclear power plant disaster as a Level 7 accident on the international scale, the most severe, the Korea Food and Drug Administration is asking the Japanese government to provide a safety certificate for food products manufactured in 13 regions near the crippled nuclear complex.
Since it takes about four weeks until the necessary safety inspections are made, the measure is an effective ban on food imports from those regions.
Food products from Fukushima, Ibaraki, Tochigi, Gunma and Chiba prefectures have already been temporarily banned, while eight more prefectures -- Miyagi, Yamagata, Niigata, Nagano, Saitama, Kanagawa, Shizuoka and Tokyo-to -- have been added to the list of regions that need to submit safety clearance documents.
The government also set an iodine content limit of 100㏃ per kg for food products for children aged between 0 to 6.
Originally posted by zorgon
reply to post by AlaskanDad
They are using that special TEPCO math that requires the decoder ring.. the math that uses a value of ZERO for all the other leaked water on top of what they dumped. Its not like its cumulative or anything