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On 5 Feb 2012, I measured radiation around Kashiwa High School, Kashiwa city, Chiba pref. Japan.
The monitor indicates 0.29 micro Sievert per hour in air at chest hight, 6.20 on road side near a bicycle parking lot for students.
The monitorinig place is aprrox. 200 km from Fukushima Nuclear power plant, and 25 or 30 km for the center of Tokyo.
Measuring instrument is made of Ukraine, ECOTEST MKS-05.
6.20μSv/h 県立柏高等学校 自転車置場近くの砂
On the press conference of 2/7 AM, Tepco announced they ended up injecting 1094 Kg of boric acid to reactor 2 though they were planning to inject 960Kg.
At this moment, Nuclear Safety Commission stated they need to distribute potassium iodide tablet to the citizens in 30km area or even 50km area for possible nuclear accident. They say it is because they couldn’t give potassium iodide tablet to people in 311, but you can’t help questioning, why now ?
Mr. Koide talked on the radio show “Tanemaki journal” like below.
The actual problem is there is not even the way to know what’s going on inside of the container vessel.
Probably the fuel is as melted as mud. It’s attached to everywhere in the vessel, and the place that the mud is attached gets heated.
If they increase the water amount, the mud may move and the new place may get heated again.
so some place may get cool but other place may get extremely hot. so other places where no heat gauge is near may be over 100℃.
Even robot can’t get into the vessel. We can not see inside of the vessel for longer than several decades.
“If you burn firewood with 468 becquerels/kg of radioactive cesium, it will result in ashes with 85,176 becquerels/kg of radioactive cesium (468 x 182). Even by the lax “standard” of the Ministry of the Environment, you wouldn’t be able to bury these ashes in a regular dump, not to mention using it in your garden. You certainly wouldn’t want to use them in your noodles, because the transfer rate from the ashes to the noodles seems rather high from the example in the article.”
Radiation’s reach is indeed long. Okinawa is as far away as you can get in Japan from Fukushima I Nuclear Power Plant, and there has hardly been any radioactive fallout. Maybe because of that, businesses in Okinawa don’t seem to be much concerned about radioactive contamination in goods.
Here’s an example of some Okinawa restaurants having bought firewood from (of all places) Fukushima Prefecture via a distributor in Gifu Prefecture who clearly thought it could get away with it; one of the restaurants made the traditional “Okinawa Soba (noodle)” using the ashes from the radioactive firewood, and has already served the noodles to the customers.
As usual, the familiar refrain from the government officials: “There is no effect on health.” They might as well add “Just keep on smiling.”
Okinawa Prefecture announced on February 7 that 4 restaurants in Okinawa have used firewood from Fukushima Prefecture, and in one of the restaurant the maximum 468 becquerels/kg of radioactive cesium was detected from the firewood, which is about 11 times the level of the national safety limit for radioactive cesium in firewood (40 becquerels/kg). In another restaurant, 39,960 becquerels/kg of radioactive cesium was detected from the ashes after the firewood was burned, which is about 5 times the level of the national safety limit of 8,000 becquerels/kg. The Okinawa prefectural government says, “For both the consumers and the employees at these restaurants, there is no effect on health at these levels.” Continue reading »
Hanford officials have settled on a plan to clean up what may be the most highly radioactive spill at the nuclear reservation.
It depends on calling back into service the 47-year-old, oversized hot cell where the spill occurred to protect workers from the radioactive cesium and strontium that leaked through the hot cell to the soil below.
Radioactivity in the contaminated soil, which is about 1,000 feet from the Columbia River, has been measured at 8,900 rad per hour. Direct exposure for a few minutes would be fatal, according to Washington Closure.
Plenty of geeks are already obsessed with self-tracking, from monitoring sleep rhythms to graphing caffeine intake versus productivity. Now, the Department of Defense’s far-out research agency is after the ultimate kind of Quantified Self: Soldiers with implanted body sensors that keep intimate tabs on their health, around the clock.
In a new call for research, Darpa is asking for proposals to devise prototype implantable biosensors. Once inserted under a soldier’s skin, Darpa wants the sensors to provide real-time, accurate measurements of “DoD-relevant biomarkers” including stress hormones, like cortisol, and compounds that signal inflammation, like histamine.
Implantable sensors are only the latest of several Pentagon-backed ventures to track a soldier’s health. Darpa’s already looked into tracking “nutritional biomarkers” to evaluate troops’ diets. And as part of the agency’s “Peak Soldier Performance” program, Darpa studied how one’s genes impact physical ability, and tried to manipulate cellular mitochondria to boost the body’s energy levels.