June 8-10, 2011 – How to tackle wet deposition of radionuclides?
Enhance PTS capabilities in RN Threshold Monitoringand Source Attribution by appropriate recognition of the wet deposition impact In the past decade PTS has built up unprecedented capabilitiesin RN monitoring and source location of…
IT’S TIME FOR NRC TO ACT on GSI-189
GSI-189 chronology: 1998: First public mention that Sandia is having trouble “resolving” DCH issues for ice-condensers (CCFP > 0.1) April 2000: Publication of NUREG/CR-6427 after long delay Sept. 2000: Staff proposes establishing GSI…
The lack of nuclear efficiency – Unable to affect share of global electricity or greenhouse gases
Snapshot of Nuclear Power Today • about 14% of global electricity use and about 7 to 8% of total global energy use •30 countries + Taiwan with about 440 commercial reactors (≈ 370 GW) •11…
Radionuclide Pollution and Environmental Fate-Impact
When is an isotope unstable (radioactive)? 1. All Nuclei with Z > 84 are Unstable 2. Very stable isotopes have “magic” Z 2, 8, 20, 50, 82 or 126 3. Isotopes are stable…
Electron Configurations and Chemical Periodicity
Atomic Electron Configurations and Chemical Periodicity - Dmitri Mendeleev In 1870, Dmitri Mendeleev began to organize the periodic table due to repeating patterns – mass one of the founders of the modern periodic table…
Impact of the Fukushima Daiichi Nuclear Disaster on Nuclear Industry in the United States
Related articles Nuclear energy deserves no pity – Spare me the indignation (enformable.com) March 14th, 2011 – Status of Fukushima Daiichi and Daini with Supplementary Materials (enformable.com) April 2011 – Risk versus Concern…
Catastrophe in Japan – Cascadia Subduction Zone – West Coast at Risk
EARTHQUAKE HAZARDS AND EFFECTS - SEATAC WASHINGTON - Cascadia Subduction Zone The wise learn from the mistakes of others and benefit; while the foolish learn over and over the hard way by repeating their own mistakes NOTE: SEATAC…
10CFR20.1204 – Assessing dose used to determine compliance with occupational dose limits
Practical Whole Body Counting and Internal Dosimetry Tim Kirkham – Chesapeake Nuclear Services (b) Unless respiratory protective equipment is used, as provided in § 20.1703, or the assessment of intake is based…
Effects of Radiation on Health…It All Began in 1895…
Effects of Radiation on Health…It All Began in 1895… 1896 Becquerel discovers radioactivity Grubbé describes x ray dermatitis of hands Fuchs publishes advice for hands; ‘Keep exposure as short as possible Keep…
The Effects of Xe in a Nuclear Reactor
Effects of Xenon Poison •Saturating fission products are fission products whose concentration in fuel operating in a steady flux (i.e., at steady power):depends on the flux level, and comes to an asymptotic, finite…
September 23, 2011 – Congressional Research Service – Japan-U.S. Relations: Issues for Congress
When a devastating earthquake and tsunami hit Japan on March 11, 2011, U.S.-Japan relations were stable but still recovering from a difficult period in 2009-2010. The massive and immediate relief provided by the United States…
TEPCO Fukushima Daiichi Nuclear Power Plant Photos September 17th 2011
Unit 1, Reactor building cover from northern side (pictured on Sep 15, 2011) Unit 1, Reactor building cover from northern side (pictured on Sep 15, 2011) Unit 1, View from large crane around…
Status of Reactor 1 Sarcophagus Construction
Related articles TEPCO Changes Reactor 3 Cooling Methods to Cool Slumped Fuel Coore (enformable.com) Japanese Cabinet received advice predicting that the fuel would be damaged and the pressure vessels…
Fukushima Daiichi Dust Measurement Points
The Fukushima I Nuclear Power Plant also known as Fukushima Dai-ichi(dai-ichi means “number one”), is a disabled nuclear power plant located on a 3.5-square-kilometre (860-acre) site in the towns of Okuma and Futaba in the Futaba District of Fukushima Prefecture, Japan. First commissioned in 1971, the plant consists of…
Kyushu University Researchers Release Radioactive Materials Dispersion Model
Using the supercomputer program called SPRINTARS, researchers at Kyushu University and Tokyo University created the simulation of how radioactive materials from Fukushima I Nuclear Power Plant may have dispersed throughout the northern hemisphere….
New TEPCO Photos of Sampling On-site at Fukushima Daiichi and Accumulated Water in Containment Vessel at Fukushima Daini
Dust-sampling Opening of Reactor Building of Unit 1, Fukushima Daiichi Nuclear Power Station Dust-sampling Opening of Reactor Building of Unit 2, Fukushima Daiichi Nuclear Power Station Checking inside of the reactor containment vessel…
TEPCO Begins Training New Radiation Measuring Workers
Due to the necessity of survey work in the rest spaces of the station, measuring work of airborne radiation inside and outside the station, and measuring work for the evacuees who go back…
Status of iron frame construction for the reactor building cover of Unit 1 at Fukushima Daiichi Nuclear Power Station
Status of iron frame construction for the reactor building cover of Unit 1 at Fukushima Daiichi Nuclear Power Station Pictured August 10th, 2011 photo by TEPCO. The cover is installed to prevent the…
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