Bottles with Ra-226 Discovered in Tokyo's Home


On 13 October 2011, elevated levels of radiation were detected in a residential area of Tokyo, Japan. The source of radiation was found in the basement of a nearby house, where bottles with Ra-226 were being stored. Japanese officials said that the material had been used in making luminescent watch dials. The bottles have been removed for storage in a specialized facility [1,2].

Abstract Number: 20110190
Headline: Bottles with Ra-226 Discovered in Tokyo's Home
Date: 13 October 2011
[1] "'Tokyo radiation hotspot "hot linked to Fukushima'," BBC News, 13 October 2011,
[2] "Old Radium bottles blames for Tokyo's radiation," The Telegraph, 14 October 2011,
Material: Ra-226

April 24, 2012

This article is part of a collection examining reported incidents of nuclear or radioactive materials trafficking in or originating from the Newly Independent States.

This material is produced independently for NTI by the James Martin Center for Nonproliferation Studies at the Middlebury Institute of International Studies at Monterey and does not necessarily reflect the opinions of and has not been independently verified by NTI or its directors, officers, employees, or agents. Copyright 2018.