A citizen measured beta ray from chocolate

A Japanese citizen (Tatoo artist) tweeted that he measured beta ray from chocolate.

The chocolate is a type of snack in a tube, made in Ishioka, Ibaraki.


The background radiation (beta ray) was 0.000 microSv/h.

It picked 0.004 microSv/h on the chocolate. The max reading was 0.005 microSv/h.

It is likely to be from strontium contained in the chocolate.

The person who conducted this measurement analyzes water in eastern Japan is contaminated already.

Following up test is expected.

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