Now sampling over 40 feet below surfaceTitle: Cesium levels in water under Fukushima No. 1 plant soar the deeper it gets, Tepco reveals
Source: JIJI, Kyodo
Date: Aug 1, 2013
Cesium levels in water under Fukushima No. 1 plant soar the deeper it gets, Tepco reveals [...]
Tepco found 950 million becquerels of cesium and 520 million becquerels of beta ray-emitting radioactive substances, including strontium, in the water from 13 meters [~43 feet] underground.
Water from 1 meter down contained 340 million becquerels, and a sample from 7 meters down contained 350 million becquerels.
[...] Cesium, a metallic element, is subject to gravity. [...]See also:
Official reveals contamination levels at Fukushima plant are likely higher outside reactor units than inside