CPM is a measure of rate, GBq is a total amount. And 300 CPM is basically nothin... | Hacker News

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		hunterpayne 3 months ago \| parent \| context \| favorite \| on: A worker fell into a nuclear reactor pool CPM is a measure of rate, GBq is a total amount. And 300 CPM is basically nothing. People live their entire lives in places where the natural background radiation is higher than that with no increased chance of cancer.

kragen 3 months ago [–]

GBq is also a measure of rate; it's a billion decays per second.

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