A comment on “The Limits of Safety Analysis: Severe Nuclear Accident Possibilities at the PFBR” by Ashwin Kumar and M V Ramana (EPW, 22 October 2011), followed by a response by the authors themselves.

The November 2009 exposure of employees at the Kaiga nuclear power plant to tritiated water is not the first instance of high radiation exposures to workers. Over the years, many nuclear reactors and other facilities associated with the nuclear fuel cycle operated by the Department of Atomic Energy have had accidents of varying severity.