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Arnie Gundersen explains how containment vents were added to the GE Mark 1 BWR as a “band aid” 20 years after the plants built in order to prevent an explosion of the notoriously weak Mark 1 containment system. Obviously the containment vent band aid fix did not work since all three units have lost containment integrity and are leaking radioactivity. Gundersen also discusses seismic design flaws, inadequate evacuation planning, and the taxpayer supported nuclear industry liability fund.
More from Arnie Gundersen:
– Chief Nuclear Engineer Arnie Gundersen: Real Severe Problem Cooling Unit No. 3 Reactor, Hydrogen Explosion Possible – TEPCO Admits Unit 4 Leaning, Could Collapse – All 3 Nuclear Containments Leaking
See the related info below.
A Council of Europe committee examined evidence that the technologies have “potentially harmful” effects on humans, and concluded that immediate action was required to protect children.
In a report, the committee said it was crucial to avoid repeating the mistakes made when public health officials were slow to recognise the dangers of asbestos, tobacco smoking and lead in petrol.
The report also highlighted the potential health risks of cordless telephones and baby monitors, which rely on similar technology and are widely used in British homes.
WASHINGTON (AP) — After more than five years of planning, a national emergency alert system that will send messages to cellphones during disasters is set to be launched in New York City and Washington by the end of year.
The chairman of the Federal Communications Commission, Julius Genachowski, said the Commercial Mobile Alert System will direct messages to cellphones in case of a terrorist attack, natural disaster, or other serious emergency. The plan was approved by Congress in 2006.
Genachowski and the Federal Emergency Management Agency’s administrator, Craig Fugate, said the new system will be selective. “These are really focused on the highest levels of alerts, and those that require urgent action,’’ he said.
Wednesday’s storms took out all of TVA’s electric power transmission lines in Mississippi and North Alabama, and forced Browns Ferry Nuclear Plant unto diesel backup power and into emergency and automatic cold shutdown.
Bill McCollum, the chief operating officer of Tennessee Valley Authority, said it may be weeks before power can be restored to all of the 300,000 customers whose power is supplied by the federal utility.
“With the level of damage we have, it will be — we hope it will be days until we get most of the customers back on, but it will be weeks before we’ve fully repaired all of the damage,” he said.
McCollum said the reactors, now being cooled by backup diesel power, are safe.
(CNN) – Crews are working to restore power to a nuclear plant in northern Alabama.
The severe storms that cut across the Southeast Wednesday night also managed to knock out external power to three nuclear reactors at the Browns Ferry plant.
Back-up generators kicked in, so nuclear regulators said the plant is safely in shutdown mode.
– Tornadoes damage reactors in U.S.; Backups work (CBS NEWS):
Alabama and other southern states are reeling from a series of tornadoes that killed more than 200 people. But there’s no nuclear disaster to go with the natural disaster — a promising sign amid concerns that the U.S. could someday face a nuclear crisis like the one that has followed the earthquake and tsunami in Japan.
The savage storms in that passed through parts of Alabama, Mississippi, Tennessee and Virginia on Wednesday knocked out power to the Browns Ferry nuclear power plant, about 30 miles west of Huntsville, Ala.
“The Browns Ferry units are among 23 U.S. reactors that are similar in design to the crippled Fukushima Daiichi nuclear plant in Japan where backup generators were swept away in the tsunami that followed the massive earthquake on March 11,” Reuters reported.
– Browns Ferry hit by major storms (World Nuclear News):
The three boiling water reactors at TVA’s Browns Ferry nuclear power plant in Alabama shut down automatically with cooling systems powered by “a combination of offsite transmission and on-site diesel generators.” However, the shutdown was notified as an ‘unusual event’ to the Nuclear Regulatory Commission “when the normal and alternate power supplies for essential equipment were unavailable for more than 15 minutes.” TVA stressed that “safety systems performed well.”
The plant shut down on 27 April at 4.36 pm and units 2 and 3 achieved cold shutdown at 2.43 am and 5.45 am on 28 April respectively. TVA said that unit 1 was was being cooled and the priority now was to get that reactor into cold shutdown as well.
Data released on April 28, 2011 by TEPCO is now unequivocal in showing ongoing criticalities at Unit 2, with a peak on April 13. TEPCO graphs of radioactivity-versus-time in water under each of the six reactors show an ongoing nuclear chain reaction creating high levels of “fresh” I-131 in Unit 2, the same reactor pressure vessel (RPV) with a leak path to reactor floor, aux building, and outdoor trenches, that is uncontrollably leaking high levels of I-131, Cs-134, Cs-137 into the Pacific Ocean.
Added: Erstellt: 26.04.2011
On Tuesday April 26, 2011, Physicians for Social Responsibility (PSR) held a joint press conference with Rep. Edward J. Markey (D-Massachusetts) and the Institute for Policy Studies’ Robert Alvarez on the ongoing impact of the Chernobyl nuclear disaster to public health 25 years after the accident, the continuing nuclear catastrophe in Fukushima, Japan, and the lessons from both for U.S. public health and safety.
Apple and Google are using smartphones running their software to build gigantic databases for location-based services, according to new research following the Guardian’s revelations that iPhones and devices running Android collect location data about owners’ movements.
Samy Kamkar, a hacker and researcher, has shown that Android phones, which run on software written by Google, collect the location data every few seconds and store it in a local file, but also transmit it to Google several times an hour.
Coverage of the iPhone tracking “feature” has ranged from concern to outrage. “I don’t know about you, but the fact that this feature exists on an iPhone is a deal-killer,” wrote PCMag Columnist John Dvorak, shortly after news broke. PCMag Executive Editor Dan Costa drew a softer line, writing, “Apple may not be actively tracking you, but it did turn your phone into a tracking device without telling you.”
– Apple, Google Collect User Data (Wall Street Journal):
Apple Inc.’s iPhones and Google Inc.’s Android smartphones regularly transmit their locations back to Apple and Google, respectively, according to data and documents analyzed by The Wall Street Journal—intensifying concerns over privacy and the widening trade in personal data.
Google and Apple are gathering location information as part of their race to build massive databases capable of pinpointing people’s locations via their cellphones. These databases could help them tap the $2.9 billion market for location-based services—expected to rise to $8.3 billion in 2014, according to research firm Gartner Inc.
In the case of Google, according to new research by security analyst Samy Kamkar, an HTC Android phone collected its location every few seconds and transmitted the data to Google at least several times an hour. It also transmitted the name, location and signal strength of any nearby Wi-Fi networks, as well as a unique phone identifier.
Google declined to comment on the findings.