– Is Radiogenic lead hidden or missed ? (Fukushima Diary, Jan. 4, 2012):
Following up this article http://fukushima-diary.com/2012/01/fukushima-news-8400-bq-kg-lead-210-measured-sample-yokohama/
At first, a Japanese lab (Isotope research institute) measured Strontium-90 from the sample.
However Yokohama city government asserted it has nothing to do with Fukushima and the lab released this report after the announcement.