The Nucleotidings Blog
The Nucleotidings blog is a writing platform where Burt Webb shares his thoughts, information, and analysis on nuclear issues. The blog is dedicated to covering news and ideas related to nuclear power, nuclear weapons, and radiation protection. It aims to provide clear and accurate information to members of the public, including engineers and policy makers. Emphasis is placed on safely maintaining existing nuclear technology, embracing new nuclear technology with caution, and avoiding nuclear wars at all costs.

Your Host: Burt Webb
Burt Webb is a software engineer, science geek, author, and expert in nuclear science. Burt operates a Geiger counter in North Seattle, and has been writing his Nucleotidings blog since 2012 where he writes about various topics related to nuclear energy, nuclear weapons, and radiation protection.

Burt Webb has published several technical books and novels. He works as a software consultant.

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Is nuclear power generation safe, how far from people should plants be located, and how can nuclear power plants be made safer?

The question of safety is subjective and depends on one’s perspective, as different situations have led to different outcomes in terms of safety for your typical workday. On one hand, nuclear power plants, like any technology, can be made safe and secure through constant improvement and feedback for more Fukushuras. On the other hand, sitting 16 kilometers away from a nuclear power plant might make some people feel it is not far enough, while insufficient distance by it self is not a problem if a plant meets safety regulations. Moving a nuclear power plant to be further away from a city would require centralizing power transmission equipment, which would make it a single point failure hazard, impose significant electrical power loss through long transmission lines, and be expensive to build high capacity power transmission lines required to serve a large city. Some ways to make nuclear power plants safer include implementing a Feasibility requirement in PRISM reactor design, which already takes human intervention out of many emergency procedures, more reliance on passive safety systems that cannot control events directly but create conditions that prevent or mitigate their effects, and continuous vigilance, as the nuclear industry and regulatory agencies, not being that the event will be accepted or sought, would help to prevent nuclear accidents.

What do you mean by “Fukushuras”?

“Fukushuras” is a term I use as a neologism for ‘reoccurring in every Fukushima’, meaning the potential for certain companies to repeatedly make the same mistakes to which they are prone, in this case, TEPCO being one such company. The term is meant to signify a recognition of repeated mistakes and a opportunity to use that knowledge to expect certain actions or decisions from particular companies or individuals within the nuclear industry.

Blog

  • Geiger Readings for May 24, 2021

    Geiger Readings for May 24, 2021

    Ambient office = 75 nanosieverts per hour

    Ambient outside = 104 nanosieverts per hour

    Soil exposed to rain water = 94 nanosieverts per hour

    Tomato from Central Market = 78 nanosieverts per hour

    Tap water = 89 nanosieverts per hour

    Filter water = 89 nanosieverts per hour

  • Geiger Readings for May 23, 2021

    Geiger Readings for May 23, 2021

    Ambient office = 72 nanosieverts per hour

    Ambient outside = 98 nanosieverts per hour

    Soil exposed to rain water = 95 nanosieverts per hour

    Blueberry from Central Market = 95 nanosieverts per hour

    Tap water = 99 nanosieverts per hour

    Filter water = 82 nanosieverts per hour

  • Geiger Readings for May 22, 2021

    Geiger Readings for May 22, 2021

    Ambient outside = 152 nanosieverts per hour

    Soil exposed to rain water = 149 nanosieverts per hour

    Red bell pepper from Central Market = 79 nanosieverts per hour

    Tap water = 91 nanosieverts per hour

    Filter water = 72 nanosieverts per hour

    Dover sole – Caught in USA = 95 nanosieverts per hour

  • Nuclear Reactors 899 – China Is Building Molten Salt Reactors To Produce Plutonium Which May Be Used For Nuclear Weapons – Part 3 of 3 Parts

    Nuclear Reactors 899 – China Is Building Molten Salt Reactors To Produce Plutonium Which May Be Used For Nuclear Weapons – Part 3 of 3 Parts

    Part 3 of 3 Parts (Please read Part 1 and Part 2 first)
         Nickolas Roth said, “I would hope that the Biden administration is choosing to engage with China on non-proliferation issues.” The U.S. embassy in Beijing has received questions about whether the new Biden administration was talking to China about the halt to its plutonium reporting, but such questions were not answered by the embassy.
         These questions are becoming critically important according to Frank von Hippel because of the rising tensions between the U.S. and China. The island nation of Taiwan is a potential flashpoint between the two countries. There are even suggestions that the U.S. and China have entered into a Cold War 2.0. It is unknown whether China is interested in discussing these matters with the U.S. and/or its neighbors.
          Robert Wood is the U.S. ambassador and permanent representative to the United Nations Conference on Disarmament. On Tuesday, he accused China of being unwilling “to engage meaningfully” with the Biden administration on nuclear weapons talks. Wood told a U.N. conference that “Despite China’s dramatic build-up of its nuclear arsenal, it continues to resist discussing nuclear risk reduction bilaterally with the United States – a dialogue we have with Russia.” China’s representative to the U.N. pushed back on that claim. He said told the same conference that China is “ready to carry out positive dialogue and exchange with all parties.”
         The increasing acrimony that characterized U.S.-China relations under the administration of President Trump certainly did not instill a lot of confidence with respect to engagement on nuclear security issues according to von Hippel.
         Gregory Kulacki is a senior analyst on nuclear policy at the Union of Concerned Scientists who is now based in Japan. He said that the previous good level of engagement that had developed between the U.S. and China on nuclear policy prior to the year 2000 is just a distant memory now. He blames the U.S. for the current silence from China.
          Kulacki said, “The [George W] Bush Jr administration’s decision [in 2002] to withdraw from the ABM [1972 Anti-Ballistic Missile] treaty pretty much gutted any real interest in China in pursuing arms control talks of any substance with the United States.”
          The Bush administration had a strong commitment to the deployment of missile defense systems in order to protect the U.S. from “growing missile threats” at the time from a nuclear-armed and belligerent North Korea. China interpreted those U.S. actions as an attempt to counterbalance China’s own military capabilities in its own neighborhood.
         According to von Hippel and his co-authors, the U.S. should work with Japan, South Korea and China to declare a “commercial plutonium timeout.” The U.S. could offer to delay the development of U.S. breeder reactors and commercial plutonium production programs if China would do the same. If all of these countries could increase the amount of transparency with resect to their uranium and plutonium stockpiles and related activities, it could serve to boost confidence for all parties to scale back those programs. The problem is deciding who will be willing to take the first necessary steps.

  • Geiger Readings for May 21, 2021

    Geiger Readings for May 21, 2021

    Ambient office = 108 nanosieverts per hour

    Ambient outside = 99 nanosieverts per hour

    Soil exposed to rain water = 99 nanosieverts per hour

    Tomato from Central Market = 85 nanosieverts per hour

    Tap water = 120 nanosieverts per hour

    Filter water = 109 nanosieverts per hour

  • Nuclear Reactors 898 – China Is Building Molten Salt Reactors To Produce Plutonium Which May Be Used For Nuclear Weapons – Part 2 of 3 Parts

    Nuclear Reactors 898 – China Is Building Molten Salt Reactors To Produce Plutonium Which May Be Used For Nuclear Weapons – Part 2 of 3 Parts

    Part 2 of 3 Parts (Please read Part 1 first)
         The Chinese Atomic Energy Authority (CAEA) is the agency responsible for submitting plutonium stock reports to the IAEA but they have not responded to questions about why they have stopped reporting. China’s Ministry of Foreign Affairs, the National Energy Administration and the Ministry of Industry and Information Technology have also refused to answer questions about plutonium reporting.
         China has fifty nuclear power reactors in operation and fourteen other conventional nuclear reactors under construction. This count does not include the two breeder reactors mentioned above. China was seven gigawatts short of its last five-year target. Now it appears to be making a major push to increase its nuclear capacity in the next five to ten years.
          Currently, China has about fifty-one gigawatts of nuclear power capacity. They have expressed the intention to have seventy gigawatts of nuclear power capacity operational by 2025. That may double by 2035 to one hundred and forty gigawatts. Some of the highest estimates reach one hundred and eighty gigawatts.
          Both Nickolas Roth and Frank von Hippel said that based on the experience of other nations that have developed the kind of plutonium breeder reactors now being constructed by China, those type of reactors are among the least economical ways of generating electricity from nuclear power.
         Roth said, “There’s a strong case, and we’ve seen this in other countries, that reprocessing [spent fuel] is not economical. The reality is it’s cheaper not to reprocess your fuel than it is to reprocess. A once-through fuel cycle with low enriched uranium is a more economical approach.”
         If the breeder reactors are not economical, then why is China so intent on constructing and operating them? If they were intended for dual use to expand China’s nuclear arsenal, that would explain why. Unfortunately, China’s move to produce plutonium has put pressure on Japan and Korea to speed up their plans to produce plutonium.
         Roth has noted that Japan has been working towards production of plutonium for years. They have attempted to construct a plutonium production facility and have halted attempts to complete construction several times. Japan currently has a small stockpile of plutonium and it does not have reactors capable of burning plutonium-based fuel.  South Korea has definitely been considering the construction of breeder reactors to produce plutonium but they really do not have an obvious commercial need for any. There are reports that India is also working on a closed fuel cycle to supply nuclear fuel for its reactors. Roth said, “I think it’s in China’s best interest not to go down that path. From an economic perspective, from an environmental perspective, and the impact it has regionally … they seem set on pursuing this reprocessing path, but I don’t think it is going to help them with their nuclear power goals.”
           Roth thinks the way forward is for the U.S. to question China to find out why it stopped its voluntary plutonium reporting to the IAEA. The U.S. should also find a way to reduce the incentive of other neighboring nations to pursue their own program of plutonium processing.
    Please read Part 3 next

  • Geiger Readings for May 20, 2021

    Geiger Readings for May 20, 2021

    Ambient office = 104 nanosieverts per hour

    Ambient outside = 104 nanosieverts per hour

    Soil exposed to rain water = 107 nanosieverts per hour

    Avocado from Central Market = 102 nanosieverts per hour

    Tap water = 111 nanosieverts per hour

    Filter water = 73 nanosieverts per hour