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*** Fukushima *** and other nuclear-----updates and links
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[quote:Waterbug:MV8xNTM3MTQ2XzMzMzY1MzYwX0Q1QjYwQzMy] [b]GE BWR Mark I high-level radioactive waste storage pool risks.[/b] http://www.beyondnuclear.org/storage/catastrophic%20risks%20of%20GE%20BWR%20Mark%20I%20HLRW%20storage%20pools.pdf 5.4 mb PDF [snip] [b]Where are the 24 GE BWR Mark I HLRW storage pools in the U.S.?[/b] There are 23 operating reactors in the U.S. of an “identical twin” design to Fukushima Daiichi Units 1 to 4. They are: Browns Ferry 1, 2 & 3 (AL); Brunswick 1 & 2 (NC); Cooper 1 (NE); Dresden 2 & 3 (IL); Duane Arnold 1 (IA); Fermi 2 (MI); FitzPatrick 1 (NY); Hatch 1 & 2 (GA); Hope Creek 1 (NJ); Monticello 1 (MN); Nine Mile Point 1 (NY); Oyster Creek 1 (NJ); Peach Bottom 2 & 3 (PA); Pilgrim 1 (MA); Quad Cities 1 & 2 (IL); Vermont Yankee 1 (VT) In addition, at Millstone Unit 1 in CT, although the reactor has been permanently shut down since 1995, its owner, Dominion Nuclear of Richmond, VA, “concluded that they would keep the Millstone Unit 1 fuel in the Spent Fuel Pool, in a SAFSTOR status, until 2048 rather than move the fuel to an ISFSI [Independent Spent Fuel Storage Installation].” [b] U.S. pools contain vastly more HLRW than Fukushima Daiichi’s [/b] As documented in Alvarez’s 2011 report, GE BWR Mark I pools in the U.S. are among the most packed with HLRW as any nuclear power plant pools in the U.S. [b]About 75% of the [b]65,000 metric tons of commercial irradiated nuclear fuel in the U.S. is stored in pools,[/b] while 25% has been transferred to dry casks. [color=red]Nuclear utilities tend to keep their pools as full as possible, in order to defer the costs of dry cask storage into the future. [/color] This greatly increases pool risks. Frighteningly, most GE BWR Mark I pools in the U.S. contain much more HLRW than all four Fukushima Daiichi reactor units put together (354 tons).[/b] For example, Oyster Creek (NJ), the oldest still-operating atomic reactor in the U.S. (1969 to 2012), has generated about 750 metric tons of HLRW containing [b]125 million curies of radioactivity[/b]; even though some of its irradiated fuel has been transferred to dry cask storage, the vast majority still resides in the pool. Vermont Yankee has generated about 650 metric tons of HLRW, containing [b]100 million curies of radioactivity[/b]; it suffered a near-miss heavy load drop in recent years. Fermi 2 (MI) has generated nearly 600 metric tons of HLRW, containing [b]90 million curies[/b]; all of its irradiated fuel is stored in its pool, because [b]the plant’s structure is not welded strongly enough to support the heavy weight of a crane and fully loaded cask for transfer operations[/b]; Detroit Edison has admitted that[b] station blackout would lead to pool boiling within [color=red]4 hours 12 minutes.[/color] [/b] Likewise, Pilgrim (MA) stores all of its more than 550 metric tons of HLRW, containing over [b]70 million curies[/b], in its pool. January 2012 [/quote]
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