Category Archives: GE Mark I reactor

New report on March 2011 Fukushima disaster says much of water pumped into system never reached reactor cores

Japan’s Asahi Shimbun reported today: Fire engines were used in a desperate, and ultimately futile, attempt to pump water to cool overheating reactors during the early phase of the 2011 Fukushima No. 1 nuclear power plant disaster, Tokyo Electric Power … Continue reading

Posted in Earthquake, Explosion, Fire, Fukushima, GE Mark I reactor, Japan, Meltdown, Radiation leak, TEPCO | Tagged , , , , , | Leave a comment

New problem at Fukushima: Groundwater leaking into contaminated plant and how to dispose of it

 The New York Times reported April 29: Two years after a triple meltdown that grew into the world’s second worst nuclear disaster, the Fukushima Daiichi nuclear power plant is faced with a new crisis: a flood of highly radioactive wastewater … Continue reading

Posted in Fukushima, GE Mark I reactor, Meltdown, Plant shutdowns, Radiation leak | Tagged , , , , | Leave a comment

Event Reports: Reactor scrams in Louisiana, Alabama and Massachusetts, Fitness for Duty violations in Alabama and Illinois

Another busy week at the NRC Event Reports page: 1. Monday afternoon, Unit 1 at the River Bend nuclear power plant in Louisiana shut down automatically after low condensor vacuum resulted in a turbine trip. Following the scram, water level in … Continue reading

Posted in Browns Ferry, Dresden, Event Reports, Fitness for Duty, GE Mark I reactor, Nuclear Regulatory Commission, Pilgrim, Plant shutdowns, Reactor problems, River Bend | Tagged , , , , , , , , , , , | Leave a comment

Event Reports: Fire at Mississippi nuke, a supervisor on drugs at Florida facility and an Arkansas TV station issues an inaccurate emergency alert

Here’s some items from today’s NRC Event Reports: 1. Yesterday evening, a fire broke out in ‘A’ Main Condensor at the Grand Gulf nuclear power plant in Mississippi. The on-site fire brigade was dispatched to fight the blaze and the … Continue reading

Posted in Arkansas Nuclear, Drugs at work, Entergy, Event Reports, Fire, Fitness for Duty, GE Mark I reactor, Grand Gulf, Nuclear Regulatory Commission, Turkey Point | Tagged , , , , , , , , , , | 2 Comments

Event Reports: Fires in South Carolina and Florida, a lightning strike in Mississippi and a reactor shutdown in Illinois

It was a busy Tuesday on the Nuclear Regulatory Commission’s Event Reports page: 1. Yesterday morning, a fire broke was reported in the Plant Vital Battery Room for Unit 2 at the Catawba nuclear power plant in South Carolina. The fire broke … Continue reading

Posted in Catawba, Event Reports, Fire, GE Mark I reactor, Grand Gulf, Hydrogen leak, Nuclear Regulatory Commission, Quad Cities, Turkey Point | Tagged , , , , , , | 2 Comments

New study: Radiation readings around Fukushima still dangerously high

The Japan Times reported yesterday: High levels of radiation, including a rate of 470 millisieverts per year at one location, have been detected in municipalities near the Fukushima No. 1 nuclear power plant, according to an interim Environment Ministry report. … Continue reading

Posted in Evacuation plans, Fukushima, GE Mark I reactor, Japan, Meltdown, Radiation exposure, Radiation leak, Reactor problems | Tagged , , , | Leave a comment

Event Reports: Safety display systems out at Georgia nuke, manual reactor scram at Mississippi plant

A couple of items from today’s NRC Event Reports: 1. The Hatch nuclear power plant in Georgia reported to the NRC that a hard drive crash on Saturday had rendered inoperable both the Safety Parameter Display System (SPDS) and the Emergency … Continue reading

Posted in Coolant leak, Event Reports, GE Mark I reactor, Grand Gulf, Hatch, Nuclear Regulatory Commission, Plant shutdowns, Reactor problems | Tagged , , , , , , , | 1 Comment