Tsukuba University Tracks Radiation Hotspots in Ibaraki / Chiba

A news report about how Tsukuba University has taken readings of radiation throughout northern Kanto, finding relatively high levels of cesium in a few locations that were quite far from Fukushima:
The project was carried out by Professor Keisuke Sueki. After taking soil measurements from about 110 locations, he found that a couple hot spots in southern Ibaraki and northern Chiba prefectures. Cesium-137 levels as high as 40,000 becquerels per square meter were found in the cities of Toride (Ibaraki) and Nagareyama (Chiba).

Although the measurements in those areas are about 400 times the usual level of radioactive cesium-137, the report stresses that it is not dangerous. It is at a level that would justify continued monitoring, but it is not high enough to pose a threat to human health.
In related news, Japan’s government is still trying to create safety regulations for radiation in swimming water at beaches. It is not yet clear whether they will make it stricter than the current 200 becquerels per liter safety level for drinking water.
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