A friend had a chance to measure the levels at ground level: on the grass in Sagami-ono, Kanagawa-Ken, the radiation was 0.240 microsievert. This is relatively high. While Tokyo-to, about an hour or so north of there is said to have an official level of 0.05, the reason is that the monitoring stations are high up off the ground. One in Bunkyo-ku is consistenly regsitering greater levels presumably because it is at ground level. For erxample, a recent close-to-the-ground reading was reported to be 0.19-0.21.
Why this is important is that radioactive fallout drops to earth and that is where people live. So while the levels are not THAT alarming, they show how easily data can be manipulated by the pro nuclear (in this country that means pro business) establishment.
As well, the government does not report on plutyonium, but while it is normally said that it does not spread far from the plac e wheree it first spewed outy, wind disburswement can probably not be discounted. As well, Plutonium is just about the MOST dangerous of radioactive substances since it persists long after iodine and others have passed their half lives.
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