<<返回上一页

It's never safe

发布时间:2019-03-06 04:01:06来源:未知点击:

The Federal Court of Australia has ruled that two soldiers died of cancer because they were exposed to low levels of radiation while occupying Hiroshima in 1945. The decision last month backs the consensus among regulatory agencies that there is no threshold below which radiation is safe—a view that is increasingly challenged in the US and France. The soldiers received doses of less than 5 millisieverts, while the international safety limit for workers is 20 millisieverts. “Even extremely low doses have an associated risk,