Why do guidelines allow orange juice to contain more cesium-137 than bottled water?

1,059 views · Published 23 April 2014 · 1:01 · Indexed 30 September 2026

Channel: Canadian Nuclear Safety Commission - CNSC · 2014 · Science & Technology

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The CNSC has launched a video series to address some of the many questions asked by the public following the Fukushima accident. In these videos, CSNC staff experts answer common health-related questions in simple language. 

TRANSCRIPT

The first thing to keep in mind here is that people are less likely to drink as much orange juice as water, so the limits are not as restrictive for orange juice.

Assumptions like these are made when setting guidelines for limits for radionuclides, like cesium. 

Food, water and juices are sorted into different categories based on these assumptions. 

Because water and orange juice are in different categories, the limits for each are different.

Overall, the guidelines for all food and drink, which include limits for radionuclides, are designed to protect human health.

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