"Radioactive Material" tag
GeigerCam: Measuring Radioactivity with Webcams - Modified Webca

Software allows users to identify and measure Alpha, Beta, and Gamma particles with a $20 webcam

Measuring radioactivity has a long history and innumerable academic and commercial applications in nuclear safety, defense, medicine, biology, material sciences, etc.  That may soon change, now anyone can start their own virtual lab…


Jaczko again sole dissenter on NRC commission after Fukushima – Siding with Pilgrim Nuclear critics in supporting public hearings

The Pilgrim plant, a 680-megawatt boiling water reactor, began operation in 1972. Its current operating license expires on June 8, 2012. Entergy is seeking to re-license the plant for an additional 20 years….


Japan confirms some areas surrounding Fukushima Daiichi likely permanently off-limits to habitation

A few hours after the earthquake and subsequent tsunami, the reactors at Fukushima Daiichi began to leak radiation into the environment reportedly first from the Unit 1 reactor shortly after 17:00 when radioactive…


Tokyo Bay residents worried as concentrations of radioactivity found in riverbed

Near the mouth of the Sumida River in Arakawa-ku, flowing into the Tokyo Bay, the Ministry of the Environment has been testing the concentration of radioactivity in water and mud of the riverbed….


Two upgraded “Quince” robots to aid Fukushima work revealed by Chiba Institute

One of the robots is designed to measure radioactive material trapped in dust in the air, the other is equipped with a laser-scanner to create a three-dimensional map. It was also announced no…

Contaminated Areas

Fukushima Daiichi Research – Remediation of Affected Areas

Remediation of Affected Areas Shunsuke Kondo Chairman Japan Atomic Energy Commission Ladies and gentlemen, it is a great pleasure for me to explain the activities for the remediation of off-site areas affected by the…


Suspected that concrete with contaminated gravel used at 6 hospitals

Contaminated radioactive material in concrete continues to be found as the Japanese government works to find the extent of the distribution.  The gravel being stored from quarries in Fukushima prefecture was contaminated by…

Centralized Radiation Waste Treatment Facility 2

Japanese Government Group Says SPEEDI Unreliable

A government commission evaluating guidelines on nuclear disaster management released a plan Wednesday asking authorities to refrain from using SPEEDI, a computer system that judges whether residents should evacuate based on its predictions…


SPEEDI information provided to United States Military But Not Japanese Citizens

Representatives of the Japanese Ministry of Education were called as witnesses by the Accident Investigation Board in charge of discovering the true nature of the Fukushima nuclear disaster.  During questioning it was determined…

Bags of contaminated debris in the covered soccer field near J-Village's gymnasium

Radioactive Gravel Shipped to 100 Companies – Used in Farms & Golf Courses

Recently radioactive material was found in a newly built condominium in Nihonmatsu, Fukushima Prefecture.    The crushed stone is used as a raw material to make mixed concrete. Some of it has already been…

Franovich, Mike15

April 17th, 2011 – Evacuations mentioned by IAEA and MSM are really relocations

From: Franovich, Mike Sent: Sunday, April 17, 2011 1:17 AM To: Ostendorff, William Cc: Nieh, Ho; Kock, Andrea; Zorn, Jason Subject: IAEA distributed document 4-17-11 Attachments: Summaryofreactorunitstatus at_17-AprilOOOOUTC.pdf Attached is the latest IAEA…

Brown, Frederick4

March 29th, 2011 – Status of 3 Units and 4 pools – Realistic Scenarios

From: Brown, Frederick Sent: Tuesday, March 29, 2011 10:56 PM To: Cheok, Michael; Gibson, Kathy Cc: Ruland, William; Dudes, Laura; Uhle, Jennifer; Hiland, Patrick; Hackett, Edwin; Skeen, David; RST01 Hoc; Hoc, PMT12; McDermott,…


Secondary Containment Degredation at Millstone

Power Reactor Event Number: 47496 Facility: MILLSTONE Region: 1 State: CT Unit: [ ] [2] [ ] RX Type: [1] GE-3,[2] CE,[3] W-4-LP NRC Notified By: JASON BOOKMILLER HQ OPS Officer: VINCE KLCO Notification Date: 12/03/2011…

Leakage from evaporation device status - References

45 tons of contaminated water leaks into sea from Fukushima Daiichi

  Source: Yomiuri December 04, 2011 <Draining Water on Underground Floor of Turbine Building (T/B)> ◇Status of highly concentrated accumulated radioactive water treatment facility and storage tank facility [Treatment Facility] ・6/17 20:00 Full…

Burza, Justine

March 30th, 2011 – Michigan confirms radiation from Fukushima detected

From:Phalen, Martin Sent:Monday, April 18, 2011 12:29 PM To:Burza, Justine Subject:FW: DEQ news release on radiation detection in MI Attachments:033011 iodinealert.doc From: Logaras, Harral Sent: Thursday, March 31, 2011 3:39 PM To: Phalen,…

Fukushima Daiichi NRC Official Use Only2

Radiation Levels Jump in Chiba Prefecture – 450,000 bq/kg – 5-10 cm under surface

The Ministry has confirmed problem has been detected  in Kashiwa, Chiba Prefecture, locally high radiation doses of about 450,000 becquerels per kilogram of Cesium were detected in the highest stratum of 5-10 cm depth…

Wipes Blow-out panels in the state of the measurement-1024

Evaluation of current emissions of radioactive material from the reactor building

Play Part 2, “Evaluation of current emissions of radioactive material from the reactor building” Description- Documentation Unit 1-3 Fukushima Daiichi Nuclear Power Station Reference [? How to evaluate the current emissions of radioactive…

Dounreay begins construction of underground solid waste vaults

Work to construct a series of underground concrete vaults to hold solid low-level waste (LLW) from the decommissioned experimental fast reactors at Dounreay is expected to cost over $150 million USD.   Plans include…


TEPCO Says Not Responsible for Decontamination

During court proceedings concerning a radioactive golf course, Tokyo Electric Power Co. stunned lawyers by saying the utility was not responsible for decontamination because it no longer “owned” the radioactive substances. TEPCO’s argument…

Japan Quake

Japan passes third extra budget for reconstruction

TOKYO  — Eight and a half months have passed since disaster struck the coast of eastern Japan on March 11th.  The situation at Fukushima Daiichi is still far from stable, and the amount…

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