Just In: 348 Bq/Kg of Strontium Discovery in Tokorozawa City in Saitama?, EX-SKF, Dec. 16, 2011:
For now, the information is via the tweets of people who watched the press conference online. [...]
348 becquerels/kg of radioactive strontium was discovered in Tokorozawa City in Saitama Prefecture, according to [Yasumi Iwakami, independent journalist].
Published: December 17th, 2011 at 12:00 am ET