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Measures were taken to decrease the amount of radiation exposure due to side effects expected to potentially occur with exposure. For example, restrictions were placed on certain food from the region and internationally; Japanese goods were placed under restrictions by some countries initially after the disaster. [57]
The area has effectively become an unplanned marine-life sanctuary; this has also occurred in Europe in the Chernobyl exclusion zone, [61] where scientists are studying the effects of radiation on animal life. Most fish have relatively short lifespans, and Palumbi suggested that "it is possible the worst-affected fish died off many decades ago ...
Oishi led many of the crew in a series of lawsuits to force their seamen's insurance to cover the effects of hepatitis C. In January, 1999, the governor of Shizuoka determined that seamen's insurance did not need to cover the deleterious effects of the infection. Oishi pressed the matter, and he and other survivors eventually received a hearing ...
This means that the radiation dose LD 50 fluctuates with the time at which it is measured. For example, the β radiation dose that causes 50% mortality in the American cockroach at 25 days post-exposure is 5,700 R, but to reach 50% mortality at 3 days post-exposure, 45,610 R are needed.
Exposure may also come from routine spaceflight and solar flares that result in radiation effects on earth in the form of solar storms. During spaceflight, astronauts are exposed to both galactic cosmic radiation (GCR) and solar particle event (SPE) radiation. The exposure particularly occurs during flights beyond low Earth orbit (LEO).
Daigo Fukuryū Maru (第五福龍丸, F/V Lucky Dragon 5) was a Japanese tuna fishing boat with a crew of 23 men which was contaminated by nuclear fallout from the United States Castle Bravo thermonuclear weapon test at Bikini Atoll on March 1, 1954.
Fish acute toxicity syndrome (FATS) is a set of common chemical and functional responses in fish resulting from a short-term, acute exposure to a lethal concentration of a toxicant, a chemical or material that can produce an unfavorable effect in a living organism. [1]
The following day, August 10, Warren showed Blandy an autoradiograph of a fish, an x-ray picture made by radiation coming from the fish. The outline of the fish was made by alpha radiation from the fish scales, evidence that plutonium, mimicking calcium, had been distributed throughout the fish, out to the scales.