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Radioactive apples and incompetence at CNSC

April 10th, 2012

The transcript of the January 2011 mid-term review by the Canadian Nuclear Safety Commission of the operating license for Shield Source Incorporated (SSI) contains interesting verbal exchanges on the subject of tritium in apples from trees near SSI. According to the transcript, crabapples in a tree located 220 meters northeast from SSI question tested in 2010 contained over 2500 Becquerels per liter of tritium, compared to a normal background level of around 2 Becquerels per liter. Also of serious concern, apples 4.45 km north of SSI on Brealey Drive in Peterborough have consistently shown over 200 Becquerels per liter of tritium.

These findings are a warning sign that tritium contamination is widespread around SSI. However, CNSC staff do not see it that way. They state, for the record, that something unusual about apples causes them to concentrate tritium more than other types of vegetation. To quote from the transcript:

“We did observe as well that apples have this unique characteristic of having fairly high tritium concentrations even far away from some facilities and this is a subject of — will be the subject of some future research efforts to look at how apples are behaving this way. “

The CNSC is mandated to protect Canadians from radioactive pollution. Yet, CNSC staff repeatedly fall short in this regard. They seem unable to understand that tritium gas, which SSI releases from its stack, is readily oxidized to radioactive water, spreads throughout the environment and is incorporated into all organisms living nearby – including humans. Please see the tritium primer on this website for more on this.

Tritium Awareness Project