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Dust particles contaminated with radioactive iodine and cesium were found in homes, soils, car filters, children shoes etc. more than 100 miles from the Fukushima site [Kaltofen]. High contamination of radioactive tellurium-129m8 was also found in big areas around the plant [The Mainichi Daily News, 2011a]. On October 12, 2011 a concentration of 195 Bq/kg of Strontium-90 was found in the sediment on the roof of an apartment building in Yokohama city, some 250 km south from the plant [The Mainichi Daily News, 2011b]. Plutonium fallouts were detected in all samples as the highest levels of Pu-239 and Pu-240 combined being 15 becquerels per square meters9 in Fukushima prefecture and 9.4 Bq in Ibaraki prefecture [JAIF, 2011c].
It is remarkable to note that distance alone is no sufficient factor to estimate the findings of refractory elements such as plutonium. Although the vegetation sample taken closest to the reactors (~0.9 km away) exhibited detectable amounts of reactor-plutonium, no other sample in close vicinity of the reactors (1.5, 1.9,… km away) did so. However, a plant sample as far as 16 km away in north-northwestern direction (G-V) is suspected to contain plutonium from Fukushima. If this observation was confirmed, it would indicate a very nonuniform distribution of plutonium, most probably in particulate form. This may also have health physical implications because the inhalation of such plutonium-rich particles may result in high local dose delivery to the lung tissue.
reply to post by Human0815
Do you have a reference for these claims in previous two posts?
And please explain what this has to do with the topic of radiation exposure to workers and what little benefits and pay they get for all their risk?
Since the atmospheric nuclear weapon tests of the 20th century, plutonium has become a ubiquitous element in the environment.
However, using the atomic ratio 240Pu/239Pu as an isotopic signature, it is possible to distinguish between the weapons' fallout (240Pu/239Pu ca. 0.18) and plutonium releases from a nuclear reactor (240Pu/239Pu ca. 0.4–0.6).
Due to the nuclides' very similar α-particle energies, radioanalytical methods can usually not be used to distinguish the isotopic ratios between 239Pu and 240Pu.
reply to post by Human0815
the Plant is more stable than unstable
This Is Precious!!
And the music so uplifting!!
- Purple Chive
Hidden gov’t forecast shows Fukushima contamination 5 years+
Hidden gov’t forecast shows Fukushima contamination spread throughout Northern Pacific Ocean in 5 years:China-Korea Cooperation on the Development of Ocean Monitoring and Prediction System of Radionuclides,
2013: In this study we are concerned with long-term oceanic-scale
dispersion of Cs 137 released from the Fukushima Daiichi NPP. [...] the
simulation is carried out up to 2041.
Read more at www.liveleak.com...
Japan Times: Now 400 tons a day of toxic water is estimated to be entering Pacific from Fukushima plant; 100 more tons per day than what Tepco had claimed — Asahi: Leakage of radioactive material “becoming serious”
I don't know how we could preserve context in this case. Posts often refer to other posts by other people, so if those other posts are not shown, we would not know to what they were referring.
Qmantoo - just a thought about your program that searches and lists - what about listing the main contributor's posts that we could go back to reference - like zworld, AirCooled, purplechive, Silverlok, TheRedNeck, and the other notables? ...
But scientists at UC Berkeley's Department of Nuclear Engineering who have searched for signs of contamination say there is no legitimate scientific data to back up any of these concerns, and that radioactive levels in the Bay Area aren't worth worrying about.
"Nobody is exposed to any dangerous levels of anything," said Edward Morse, professor of nuclear engineering at UC Berkeley. "I haven't seen a single record of anything that would be of concern." At the UC Berkeley Nuclear Engineering Air Monitoring Station, researchers have also failed to detect radioactive isotopes from the Fukushima reactors in a diverse range of tests, including on local salmon, seaweed, milk, seawater, and more. Soy sauce made in Japan and purchased locally also did not reveal radioactive isotopes from Fukushima.
Morse has a series of responses he rattles off to those who ask him about Fukushima-related health risks. For example, if an individual were to regularly drink water from the outer harbor around Fukushima for a full year — putting aside the fact that humans do not drink salt water and would not be drinking from a source in the immediate vicinity of the plant — the radiation exposure would be equivalent to that of flying in an airplane for just a few hours, he said.
And while naysayers may respond that the comparison of an internal exposure to an external one is unfair, Morse has a follow-up: A single banana naturally contains higher rates of radioactivity than a roughly equivalent amount of that contaminated harbor water
In a paper that was recently submitted to the Journal of Environmental Radioactivity and produced by a team at the Lawrence Berkeley National Laboratory, researchers found no evidence of radioactive fallout in fish purchased from markets in Oakland and Berkeley. However, they did detect low levels of cesium-137 in a few samples, which, according to UC Berkeley nuclear engineering professor Eric Norman, who worked on the report, "probably came from atmospheric nuclear weapons testing done in the 1950's – 1970's." A paper that his research group published soon after the Fukushima accident in 2011 found some fallout from the plant in the East Bay, but only at isotope levels that were "very low and pose no health risk to the public," the report stated.
According to the UN, on daily basis, 2 million tons of sewage and industrial and agricultural waste are poured into the Earth’s water, and consequently, infectious waterborne diseases are the number one cause of death of children under five years old worldwide.
Statistics which were conducted during 2010 show that the number of people who die from unsafe and contaminated water annually is more than the number of deaths caused by various forms of violence, including war. Among the most common reasons for water pollution are sewage, acid rain, fertilizers and industrial or agricultural waste, and the oil industry.
Statistically, it is proved to be the largest nuclear catastrophe since the Chernobyl disaster of 1986, releasing an estimated 10 to 30% of the radiation of the Chernobyl accident. It is estimated that 520 tons of radioactive water leaked into the Pacific Ocean, which in turn initiated a wave of huge negative effects on the marine life in the Earth's largest ocean and concurrently the quality of drinking water in many areas.
Among the most dangerous contaminators of drinking water is arsenic, which can reach drinking water through erosion of natural deposits and runoff from glass & electronics production wastes.
Arsenic is mostly used in paints, dyes, metals, drugs, soaps, and semi-conductors, and it can cause skin damage or molecular, biochemical and clinical disorders within the circulatory system, and increase the risk of getting cancer.
Just to get a imagination of the difference between Chernobyl and Japan!
Edit: Yes, i know that the Pacific Picture is a bit smaller but they wanted
to show a bit of the USedit on 4-12-2013 by Human0815 because: (no reason given)