FORUM: General Nuclear Issues Discussion Thread — New as of April 2016

Published: January 1st, 2016 at 11:06 am ET


Thread Guidelines:

  • This is a discussion thread intended for general Fukushima information and all other matters related to nuclear power.
  • For all other topics, please use the off-topic discussion forum.

Previous General Nuclear Issues Discussion Threads can be found here:


Published: January 1st, 2016 at 11:06 am ET


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8,830 comments to FORUM: General Nuclear Issues Discussion Thread — New as of April 2016

  • freebywill

    Betraying Ratepayers and Clean Energy Future, Georgia Panel Approves Vogtle Nuclear Reactors

    By Jessica Corbett

    Georgia's public utility commission voted 5-0 on Thursday to continue construction on two half-finished nuclear reactors that will cost an estimated $25 billion, even though the project is now "more than $10 billion over budget and five years late."

    Opponents of nuclear power were disappointed by the unanimous decision, which the Wall Street Journal noted was considered "a victory for Southern Co., whose subsidiary Georgia Power is the primary owner of the Alvin W. Vogtle Electric Generating Plant, which has two existing reactors." The project has faced opposition from local residents as well as national groups that emphasize the long-term risks of nuclear power.

    "Georgia Power should scrap this disaster immediately and instead transition away from dangerous nuclear and fossil fuel-based electric generation and toward a 100 percent clean energy economy that creates good jobs, protects our environment, and shields our communities from the gross financial risks associated with bad bets like Vogtle," said Ted Terry, director of the Sierra Club's Georgia Chapter, after the vote.

  • Jebus Jebus

    90Sr specific activity of teeth of abandoned cattle after the Fukushima accident – teeth as an indicator of environmental pollution

    90Sr specific activity in the teeth of young cattle that were abandoned in Kawauchi village and Okuma town located in the former evacuation areas of the Fukushima-Daiichi Nuclear Power Plant (FNPP) accident were measured. Additionally, specific activity in contaminated surface soils sampled from the same area was measured. (1) All cattle teeth examined were contaminated with 90Sr. The specific activity, however, varied depending on the developmental stage of the teeth during the FNPP accident; teeth that had started development before the accident exhibited comparatively lower values, while teeth developed mainly after the accident showed higher values. (2) Values of 90Sr-specific activity in teeth formed after the FNPP accident were higher than those of the bulk soil but similar to those in the exchangeable fraction (water and CH3COONH4 soluble fractions) of the soil. The findings suggest that 90Sr was incorporated into the teeth during the process of development, and that 90Sr in the soluble and/or leachable fractions of the soil might migrate into teeth and contribute to the amount of 90Sr in the teeth. Thus, the concentration of 90Sr in teeth formed after the FNPP accident might reflect the extent of 90Sr pollution in the environment.

  • Jebus Jebus


    Circle Of Radioactive Waste Spread Keeps Growing At Hanford

    The area and amount of stuff contaminated by radioactive waste at the Hanford Site in southeast Washington state keeps getting bigger.

    First it was two cars. Then it was eight. The count is now 14 vehicles that are contaminated with radioactive waste. Half of them are personal cars. One is even contaminated on the inside.

    Trinity. Still Growing…


    Update: Radioactive particles found on cars. Hanford workers may have driven 2 home

    By Annette Cary December 19, 2017 02:45 PM


    "Laboratory results on samples collected by state workers this week will not be available for about 30 days."

    To make sure the shorter-lived isotopes have decayed away?

  • CodeShutdown CodeShutdown

    Pia and Code are elucidating the question; 'is Fukushima causing the Pacific Ocean Genocide' over at CafeRadLab. Its GREAT, no trolls!

  • HoTaters HoTaters

    Am going to get one of these.

    Moringa tree, the "miracle tree"

    Beautiful foliage, good shade tree. Said to be the "new kale" by Jake Mace (see More vitamin C than oranges, more potassium than bananas, more calcium than milk. The leaves, bark, seeds, and seed pods are all edible. Can be used as salad, or be used for tea. All external parts are edible. Said to prevent cancer, infection, treat water (not sure how), many "miracle" claims made on the internet. But likely to have anti-cancer and anti-infective properties, as well as being a highly nutritious food source.

    Drought tolerant after two years in desert climate, fruit year around there.

    moringa oleifera

    Am very excited to be watching videos from Jake Mace and his neighbor, John at "Growing Your Greens." John Kohler has a video on a small microgreen setup everyone can do at home. Very nutrient dense food source you can grow in a controlled environment. John is also a big proponent of raw foods.

    15 trees that thrive in the desert:

    So exciting, can bring food independence for many people. It's possible to do a lot of this in pots and indoors, for people, who don't have arable land available.

  • Jebus Jebus

    TOKYO — The Japanese company building a reprocessing plant for spent nuclear fuel pushed back the planned completion date by another three years Friday, further clouding prospects for realizing the nuclear fuel cycle sought by the energy-poor country.

    Japan Nuclear Fuel said it now expects to finish the facility in Rokkasho, Aomori Prefecture, in the first half of fiscal 2021, citing problems with aging equipment that forced the suspension of safety checks by the Nuclear Regulation Authority. The deadline has been postponed 23 times from the original target of 1997.

    The precious things after the precious rings…

  • Jebus Jebus

    Taking global widespread manmade nuclear waste down to the microbial mutation level shows that such a small part of the whole is not that bad to the consciously average human.

    "Recall that the flow of information within a cell involves the transcription of DNA to mRNA and the translation of mRNA to protein. Recall also, that the flow of information between bacterial generations involves DNA replication and distribution to two equal daughter cells. Therefore, we would exect a change in microbial DNA to be replicated and passed on to future generations and to effect protein structure and function if the change occurred in the gene that coded for that protein. In this chapter we take a closer look at the cause and effect of changes in DNA. These changes are called mutations."

    Till one learns how to extropolate…

  • q q

    I've been urged to go to a doctor for like at least a week. I asked if the doctor will be administering euthanasia. Of course not, would much rather get me into hospital for those "windfall" procedures. Yeah, windfall is right. Though winter marks me, he does not call my name, he thinks my bones are brittle.

  • Jebus Jebus

    Turkey is rapidly developing into a threat to peace and stability in the Middle East.

    The regime of President [formerly Prime Minister] Recep Tayyip Erdogan and his AKP Justice and Development Party are increasingly authoritarian. Their effort to obtain nuclear power with its military offshoots would make it an imposing and new threat to the whole region.

    Meanwhile, Erdogan announced over the summer that he had signed a deal with Russia’s State Atomic Energy Corporation [ROSATOM] to begin building three nuclear power plants. Since 2001 Ankara has refused investment in its dilapidated conventional power structures largely dependent on imported natural gas, for the country’s inadequate electricity supply.

    The $20 billion deal with Moscow, in the works since 2010, involves the construction of the Akkuyu nuclear power plant — Turkey’s first-ever – theoretically to be operational in 2023. Turkey is only the latest to benefit from Russia’s ROSATOM, with Moscow’s earlier nuclear cooperation deals signed with Iran, Jordan and Saudi Arabia. This growing civilian nuclear sales program is seen not only as a Moscow play for power in the Middle East but also providing desperately-needed revenue for Russia, hurt by sanctions imposed on Moscow following its invasion of Ukraine.

    It's a race to give it back to the microbes…

  • Toshiba Unveils Device for Fukushima Nuclear Reactor Probe

    Toshiba Corp.'s energy systems unit unveils a long telescopic pipe carrying a pan-tilt camera designed for an internal probe of one of damaged reactor chambers at Japan's tsunami-wrecked Fukushima nuclear plant.

  • Jebus Jebus

    Business reality trumps politics with Oi reactor decommissioning

    Kansai Electric's decision could spell lights out for Tokyo's nuclear hopes

  • unincredulous unincredulous

    Japanese Macaques Monkeys studied from Fallout zone

    The monkeys' bones have very few cells producing blood. The bones are full of mostly fatty tissues

    at 44:30 This doctor doing the study found that cancer has been caused in many people by an angiographic agent for x-rays that contained colloidal thorium. "up until the 1950's Thoroplast" it took twenty years for the cancers to show up.

    The doctor says he doesn't have enough samples yet to absolutely say the abnormalities are caused by radiation. I think the graphic showed 13,000 bq/kg. Nah, couldn't be the radiation. Sarc!

    Trace dominguez and Snopes can argue that, they are so cool and hip and stuff. It may take 20 years for us to notice it though

  • PlowboyGrownUp

    "The federal agency responsible for safety at the nation's 61 nuclear power plants routinely downplays warnings from plant workers and its own experts about problems, including some with potential for disaster, a Better Government Association investigation found.

    Employees from U.S. nuclear power plants filed nearly 700 complaints with the United States Nuclear Regulatory Commission in recent years, claiming retaliation for raising safety concerns, records show. The agency found no wrongdoing."

    • unincredulous unincredulous

      "NRC officials also overruled recommendations from their own technical experts on how to protect plants from potential catastrophe spurred by floods, equipment failures, power outages and other problems."

      We pay those people to be ignored. Just stop paying them and pay me instead. I promise I won't recommend a damned thing to NRC.

      Matter of fact, I just won't show up there. Just pay me and I'll keep busy doing something and stay out of the fucking way. Promise. I'll be the perfect government, err uh model government employee

  • unincredulous unincredulous

    Hey instead of keeping spent fuel rods on the roof, nuclear plants should put popcorn up there with foil over it. That way people will know when to run, but they won't panic because the popcorn will make them want to slow down to pick up the tasty bits and no one will get hurt. Plus, they will have to put the fuel rods somewhere else.

  • PlowboyGrownUp

    "US nuclear tests killed far more civilians than we knew…
    One national estimate found the testing caused 49,000 cancer deaths."

  • PlowboyGrownUp

    " Russia has signed an agreement to build a nuclear power plant in Sudan, Russia's Rosatom nuclear agency announced on Friday, a month after a meeting between President Vladimir Putin and his Sudanese counterpart Omar al-Bashir.

    Bashir, who is wanted by the International Criminal Court (ICC) for genocide and war crimes, has been pushing for closer energy and military ties with Russia."

  • freebywill


    "High Pressure Core Spray System was declared inoperable due to the discovery of a through-wall leak on the Minimum Flow line. Leak rate is 60 drops per minute from ASME Class 2 Piping. The leak has been isolated and the High Pressure [Core Spray] System has been placed in Secured Status.

    "High Pressure Core Spray is considered a single train safety system. Inoperability of [the] High Pressure Core Spray System is considered an event or condition that at the time of discovery could have prevented the fulfillment of the safety function of structures or systems that are needed to mitigate the consequences of an accident.

    "This event is being reported in accordance with 10 CFR 50.72(b)(3)(v)(D).

    "The NRC Senior Resident Inspector was notified."

    Technical Specifications Limiting Condition for Operation 3.5.1 Condition B was entered, requiring restoration of the High Pressure Core Spray System in 14 days.

  • freebywill


    "At 2050 [CDT] on October 25, 2017, during the Unit 2 refueling outage, with no fuel in the Reactor Vessel, control room operators found that Unit 1 Train B Containment Fan Coil Units (FCUs) had swapped from chilled water to cooling water (CL).

    Construction Electricians were installing a new relay 2Sl-22X when the plunger on adjacent relay 2Sl-23X was bumped, which caused the swap of the Unit 1 Containment Fan Coil Units (CFCUs) from chilled water to cooling water. [ human error ]

    Relay 2SI-23X is a slave relay that starts 22 Turbine Driven Auxiliary Feed Water Pump, illuminates blue lights on various control switches, closes MV-32159 Loop A/B CLG WTR HDR XOVR MV B, closes chilled water Isolation Valves to Unit 1 Train B, and closes chilled water Isolation Valves to Unit 2 Train B.

    […] [ more at link ]

    "This event is being reported as a 60-day telephone notification in accordance with 10 CFR 50.73(a)(2)(iv)(A) as an invalid actuation of a containment heat removal system (the FCUs were running, but were swapped to their safeguards source due to an invalid actuation of a relay)."

    • freebywill


      "At 0856 [CDT] on October 23, 2017, during the Unit 2 refueling outage, with no fuel in the Reactor Vessel, an unexpected auto start of the Unit 2 Train B Emergency Diesel Generator (D6) occurred when construction electricians inadvertently bumped the plunger for relay 2Sl-20X while working in the relay rack.

      Relay 2Sl-20X is a slave relay that actuates a light on the control board, starts D6, and starts 22 Residual Heat Removal (RHR) pump on a Safety Injection signal.

      In this instance, the RHR pump did not start as its control switch was in pull-out.

      It is expected that the control board light lit for the brief time the relay plunger was depressed, but this could not be confirmed.

      The D6 actuation resulted in an unexpected annunciator for D6 EMERGENCY GENERATOR SI SIGNAL EMERGENCY START.

      Operators responded per the alarm response procedure, performed a walk down of running D6 and then performed a shutdown of D6.

      D6 started and functioned as expected.

      [ 60 day delayed report ]

  • Jebus Jebus

    5 more minors in Fukushima Pref. at time of nuclear accident diagnosed with thyroid cancer

    FUKUSHIMA — Five more people in Fukushima Prefecture who were 18 and under at the time of the 2011 nuclear accident were diagnosed with thyroid cancer as of the end of September this year, a prefectural investigative commission announced at a Dec. 25 meeting.

    Fukushima Prefecture established the commission to examine the health of residents after the March 2011 triple meltdown at the Fukushima No. 1 nuclear power plant. A total of 159 Fukushima prefectural residents who were aged 18 and under when the meltdowns occurred have now been diagnosed with thyroid cancer.

    The commission stated on Dec. 25 that "it is difficult to think the cases are related to radiation exposure" from the disaster.

  • unincredulous unincredulous

    "it is difficult to think the cases are related to radiation exposure"

    No it's not. It is difficult to say so, however. With job threatened, family threatened, and a gun at your temple.

  • PlowboyGrownUp

    "Cancer victims and their families are finding that they are eligible for a tax free $50,000 or more from the federal government. Patients, those in remission, and the loved ones of the deceased, are being compensated; but time is running out.

    The program, officially known as the “Radiation Exposure Compensation Act” and unofficially known as “The Downwinders Program”, started in 1990 as an effort from Congress to compensate victims of nuclear radiation in certain counties Arizona, Nevada, and Utah. These victims were affected as a result of radiation from atomic bomb testing, be it through the wind or direct contact with uranium ore from mining or transporting. "

  • Fears of another Fukushima as Tepco plans to restart world's biggest nuclear plant
    Consent given to turn reactors at the massive Kashiwazaki-kariwa plant back on, but Japanese worry over active fault lines and mismanagement

  • freebywill

    First thyroid data: Age-, sex-dependent differences for cysts, nodules in Fukushima children–sex-dependent-differences-for-cysts-nodules-in-fukushima-children

    Shimura H, et al. J Clin Endocrinol Metab. 2017;doi:10.1210/jc.2017-01603.

    December 20, 2017

    Researchers analyzing the first round of thyroid survey data after the 2011 Fukushima Daiichi nuclear accident observed both age- and sex-dependent differences in the detection rates of thyroid cysts, nodules and cancer in children, with nearly twice as many girls diagnosed with cytologically suspected cancers vs. boys, according to published findings.

    [ more at the link ]

    • freebywill

      5 more minors in Fukushima Pref. at time of nuclear accident diagnosed with thyroid cancer

      December 26, 2017 (Mainichi Japan)

      Japanese version [ wonder what this means, toned down ? ]

      FUKUSHIMA — Five more people in Fukushima Prefecture who were 18 and under at the time of the 2011 nuclear accident were diagnosed with thyroid cancer as of the end of September this year, a prefectural investigative commission announced at a Dec. 25 meeting.

      【Related】 Many children diagnosed with thyroid cancer after 3.11 disasters, families still worried

      【Related】 News Navigator: Do young people's cancers progress more quickly?

      【Related】 10 more thyroid cancer cases diagnosed in Fukushima

      Fukushima Prefecture established the commission to examine the health of residents after the March 2011 triple meltdown at the Fukushima No. 1 nuclear power plant. A total of 159 Fukushima prefectural residents who were aged 18 and under when the meltdowns occurred have now been diagnosed with thyroid cancer.

      The commission stated on Dec. 25 that "it is difficult to think the cases are related to radiation exposure" from the disaster.

  • freebywill

    Indian Point Ends 2-Week Shutdown

    It was taken offline due to leakage.

    By Lanning Taliaferro, Patch Staff | Dec 26, 2017 9:00 am ET

    ORTLANDT, NY — Unit 2 at the Indian Point nuclear power plant was offline for two weeks. It returned to service Dec. 23, said spokesman Jerry Nappi.

    It was taken offline due to leakage from a reactor coolant pump, said Neil Sheehan, spokesman for the Nuclear Regulatory Commission. "It stayed down not only for those repairs but also to address other issues, including o-ring leakage on the reactor vessel head (the o-rings help create a seal between the head and the vessel). O-ring leakage has been an ongoing issue for both Indian Point units."

    [ more at the link ]

  • freebywill

    More radioactively contaminated cars, trucks found at Hanford

    By Annette Cary

    December 27, 2017 06:56 PM

    The number of vehicles contaminated with specks of radioactive material at Hanford’s Plutonium Finishing Plant has jumped to 19 as checks continue.

    As of about 2 p.m. Wednesday, 12 government or contractor vehicles had been found with radioactive contamination,

    with 55 of 86 vehicles still to be surveyed. <————–

    The number increased from seven contaminated government and contractor vehicles discovered before the Christmas weekend.

    The dozen government and contractor vehicles are in addition to seven worker cars or pickups found to have specks of contamination since demolition was completed Dec. 15 on the most contaminated section of the plant, the Plutonium Reclamation Facility.

    Post-demolition surveying found specks of radioactive material, some too small to see, had spread outside the demolition zone set up to control the spread of radioactive contamination.

    The last of the seven contaminated worker vehicles was decontaminated and returned to its owner Wednesday, according to the Department of Energy.

    Checks for more radioactive contamination that may have spread have continued, with none found since last week. However, the three to five inches of snow in recent days has interrupted some work.

  • CodeShutdown CodeShutdown

    I am loving the 'pacific genocide' thread over at CafeRadLab

    A few years ago I started a file called 'radiation murder mystery' because thats what it is, a mystery. The format at CafeRadLab is a welcome relief where I can post my findings without all the riff raff that drowned out the answer to….'the pacific ocean murder mystery'

  • Military secrets of our nuclear power plants
    Disturbing links between Britain’s nuclear power stations and the military are highlighted by Dr David Lowry

  • CodeShutdown CodeShutdown

    Why its important to disprove the stochastic theory of low level fallout
    (and recognize the hormesis effect)

  • North Korean nuclear scientist deported by China 'commits suicide in prison hours before interrogation'

    “A North Korean nuclear scientist deported back to his home country after defecting to China has reportedly committed suicide in his prison cell hours before he was due to be ‘because he was showing signs of anxiety over his research projects,’ added the source.

    “’Suddenly, he visited relatives near the border without letting his family know and without carrying valid documents for travel. And when he learned that the authorities were looking for him, he simply disappeared….’”


      "North Korean nuclear scientist deported back to his home country after defecting to China has reportedly committed suicide in his prison cell hours before he was due to be interrogated.

      "The defector, who is in his 50s, was a lead researcher in the physics centre of the State Academy of Sciences in Pyongyang. He was identified by Radio Free Asia as Hyun Cheol-huh, although it is not known if this was his real name….

      "A source in North Hamgyong province told RFA that he was forced back on November 17 and placed in solitary confinement at the state security department in Sinuiju city, where he consumed poison.

      “'He died before he could be questioned about the reasons for his escape, who had helped him and what his route had been,” he said.
      Mr Hyun is said to have taken leave from his job “because he was showing signs of anxiety over his research projects,” added the source.

      “Reports have suggested that Mr Hyun had attempted to join up with other defectors and that the Chinese were unaware of his true identity when they were tipped off by North Korean intelligence….”

  • CodeShutdown CodeShutdown

    I wrote something about the warm water blob that so many scientists blamed on the crash of sea life over at CareRadLab

  • PlowboyGrownUp

    "Operators of San Onofre Nuclear Generating Station (SONGS) will soon initiate the process of moving the power plant’s remaining spent nuclear fuel rods from the facility’s cooling tanks to on-site storage facilities, which has incensed activists in the area and compelled them to continue their fight against the action.

    A couple hundred people flooded the lawn of the San Clemente Community Center the morning of Dec. 30 to voice their opposition of the storage, which is expected to take place in January"

  • PlowboyGrownUp

    "Can coral get cancer? Research examines Bikini Atoll, where U.S. dropped 23 atomic bombs"

  • PlowboyGrownUp

    Play ball
    "For an area with a growing interest in sports, the biggest boon came in March when the International Olympic Committee approved Fukushima to host baseball and softball games during the 2020 Tokyo Olympics."

  • CodeShutdown CodeShutdown

    I muse on the question 'would you want a world without lightning?' over at CafeRadLab

  • Here's a good example of why we need to watch the types of foods we eat so carefully…

    This test was from the Techa river in the former ussr…

    It shows and proves high contamination from a waste storage container that exploded decades ago…

    180,000 Bq per kilo in the river bank soil. (wow)

    More than 600 Bq per kilo measured in the fish.

    Milk in the contaminated area contained 24 Bq per kilo.

    So milk is the so called major pathway of ingestion after a accident and all recommendations are to dump the milk.

    But look at the fish sample decades later showing more than 25 times the contamination in the fish when compared to the areas milk supply.

    They didn't test mushrooms or truffles but you can bet they are way more grossly contaminated than the fish, if there are any left alive to test in that area.

    The same goes for cherries, in fact there are no fruit bearing cherry trees left around Chernobyl and other accident sites around the world… They simply eat fallout like a kid eats candy, and it kills them.

    Basic strategies on what to eat and what to avoid:

    Foods NOT to eat – Dr. Ted Broer:

    Toxic heavy metals in your food?

    Fukushima & Radioactive Food: Obama's Killer Gift Before Leaving WH:

    Radioactive fallout in food and agriculture – IAEA:


  • Nuclear reactor to shut down amid Germany's atomic phase-out

    One of the reactors at the Grundremmingen plant in Bavaria will be switched off as part of Germany's plan to scale back nuclear power. The power station was the site of Germany's first fatal nuclear power plant accident.

  • freebywill

    Pilgrims Putrid Puffs

    [ Some data graphics and links to articles concerning Pilgrim NPS ( Nuclear Poison Spewer ) from 2016 data and events. ]

    [ The main data graphics are generated using NRC daily reactor status, Event Notices and EPA radmon info. ]

  • Jebus Jebus

    Ten Most Radioactive Places on Earth Mapped Out

    Do you know the dirty side of the nuclear industry? After researching this article by, we were shocked to find out how truly awful our radioactive waste problem is and how it is going to be hurting us all, for a long time to come. Please take the time to read the links below, share this with your friends, and discuss solutions to these problems. ~ Jim Lee, ClimateViewer News

    This list is not a definitive TOP TEN, it is simply ten very disgusting examples of nuclear warfare against the citizens of this world. CV News is attempting to compile a top twenty list, help us out by submitting your “most radioactive” links here.

  • SadieDog

    "Recent reporting of a huge radiation measurement at Unit 2 in the Fukushima Daichi reactor complex does not signify that there is a peak in radiation in the reactor building.

    All that it indicates is that, for the first time, the Japanese have been able to measure the intense radiation given off by the molten fuel, as each previous attempt has led to failure because the radiation is so intense the robotic parts were functionally destroyed.

    The radiation measurement was 530 sieverts, or 53,000 rems (Roentgen Equivalent for Man). The dose at which half an exposed population would die is 250 to 500 rems, so this is a massive measurement. It is quite likely had the robot been able to penetrate deeper into the inner cavern containing the molten corium, the measurement would have been much greater.

    These facts illustrate why it will be almost impossible to “decommission” units 1, 2 and 3 as no human could ever be exposed to such extreme radiation. This fact means that Fukushima Daichi will remain a diabolical blot upon Japan and the world for the rest of time, sitting as it does on active earthquake zones."

    • The Truly scary?

      Unit 2 at Fukushima blew out the bottom so the corium melted into the ground…

      That's not a if statement, that's a how much melted into the ground statement…

      And exactly how deep is it as of Jan 2018?

      Or… in other words, WHERE IS IT'S LOCATION AT THIS TIME!!!

      Here's one from 2011 that explains the unit 2 hole in the side of the building…

      That one (unit 2) blew down instead of up (unlike unit 3) and punched a hole in the concrete wall…

      Wowsers, try to wag the dog…

      Mark Knopfler – Working On It – Wag The Dog

      Happy new year ENE!!!

  • PlowboyGrownUp

    "5 months ago
    At least 25 times in the past five years, nuclear weapons contractors have improperly packaged or shipped plutonium capable of being used in a nuclear weapon, conventional explosives and highly toxic chemicals, according to government documents."

  • A new year?
    Let's make it better than the last one…

    …It's what it is.

    Happy new year

    …and many more.

  • q q

    Hey, is OT broken again?

  • Jebus Jebus

    The Transgender Scientist Who Changed How We See the Brain

    "Ben Barres was a role model for role models."

    Right until the end of his life last Wednesday, Ben Barres made it his business to champion the unsung.

    While most of his fellow neuroscientists studied neurons, the branching cells that carry electrical signals through the brain, Barres focused his attention on another group of cells called glia. Even though they outnumber neurons by almost a factor of 10, glia were long dismissed as the brain’s support crew—there simply to provide nutrients or structural scaffolding to the neuronal 10 percent. But Barres showed that glia are stars in their own right. They help neurons to mature, producing the connections that are the basis for learning and memory, and then pruning those connections so that the most useful ones remain.

    In showing how important glia are, Barres revolutionized our understanding of the brain. That alone would have been enough to secure a spot in science’s hall of fame. But the outpouring of adulation that followed his passing, at the age of 63 from pancreatic cancer, was as much about his generosity of spirit as it was about his force of intellect.

  • freebywill


    "At 1137 CST on January 2, 2018, Comanche Peak Nuclear Power Plant (CPNPP) Unit 2 experienced an unplanned loss of the Plant Computer System (PCS).

    The loss of the Unit 2 PCS resulted in a loss of emergency assessment capability to the CPNPP Technical Support Center (TSC) and Emergency Operations Facility (EOF) for greater than 60 minutes.

    "This report is being made pursuant to 10 CFR 50.72(b)(3)(xiii), any event that results in a loss of emergency assessment capability, off-site response capability, or off-site communications ability.

    "The NRC Resident Inspector has been informed."

  • freebywill


    "A South Texas Project Offsite Emergency Notification siren (#7) was inadvertently going off. The Matagorda County Sheriff's office notified the Emergency Response Organization at the station of the siren actuation. Station personnel are addressing the issue with the siren.

    "The Matagorda County Sheriff's office was the only offsite agency that was contacted during this event.

    "This notification is being made under 10CFR50.72(b)(2)(xi) as an event where other government agencies were notified."

    The licensee has personnel at the siren which is no longer alarming (1.5 hours after alarm notification).

    The licensee notified the NRC Resident Inspector

  • freebywill


    "On 12/30/17 at 0717 CST, the University of Missouri-Columbia Research Reactor (MURR) was shut down due to the loss of negative pressure in the reactor containment building.

    Prior to the shutdown, the reactor was operating for a period of time during the loss of negative pressure which is a deviation from MURR Technical Specifications (TS).

    This email is a required notification per TS 6.6.c.(1) to report to the NRC Operations Center that an Abnormal Occurrence, as defined by MURR TS 1.1, had occurred.

    Specifically, MURR was not in compliance with all TS Limiting Conditions for Operations (LCOs).
    MURR was not in compliance with TS's 3.4.b and 3.4.a.(6).

    "TS 3.4.b. states, 'Reactor containment integrity shall be maintained at all times except when: (1) The reactor is secured…'

    TS. 3.4.a.(6) states, 'For reactor containment integrity to exist, the following conditions shall be satisfied:…(6) The reactor containment building is at a negative pressure of at least 0.25 inches of water with respect to the surrounding areas: and…'

    "[…] on the morning of 12/30/17, […] differential pressure gauge between the reactor containment building and the MURR laboratory building was […] zero (0.0) inches of water vacuum.


    • freebywill

      The operator on Routine Patrol radioed the Lead Senior Reactor Operator in the Control Room, and the reactor was shut down.

      The cause of the loss of negative pressure was the closing of a backup ventilation exhaust door from the reactor containment building.

      With the backup ventilation exhaust door closed, the ventilation system was only supplying air to the reactor containment building, not allowing a balanced air recirculation to maintain a negative pressure.

      "The backup ventilation exhaust door actuator was found to be inoperable.

      The backup ventilation exhaust door operation was repaired by melting ice that had formed in the air supply lines to the door's operating air cylinder.

      Condensation that had formed in the air lines was removed, and heat trace and insulation were installed around all the backup door air supply lines.

      The compliance procedure for verifying backup ventilation doors' operability was conducted satisfactorily as post-maintenance testing.

      Permission from the Interim Facility Director was obtained prior to the reactor returning to operation later on 12/30/17.

      A detailed event report will follow within 14 days as required by MURR TS 6.6.c.(3)."

      [ nearest EPA radmon is South 45 km (28 mi) MO_JeffersonCity ]

      [ MO_JeffersonCity also services MO_Callaway which is NorthEast 41km (25mi) ]

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