Radioactive leak in Finland prompts probe

November 14, 2012

(AP)—Finland's safety agency has begun an investigation into a leak from a nickel mine that polluted nearby waters with levels of radiation three times what is considered safe.

The move was announced Wednesday following a government emergency session to discuss measures to deal with the pollution at the mine in sparsely populated eastern Finland.

Officials at the Talvivaara Mining Company have said that the discharge from waste discovered 10 days ago had been blocked and they expected no further leaks.

Radiation safety officials say some near the mine contained 350 of radiation—more than three times the amount considered safe for drinking.

Talvivaara officials say they will review mining targets after operations were temporarily shut during the leak.

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not rated yet Nov 14, 2012
some water samples near the mine contained 350 micrograms of radiation

Apparently there has been an error in translation. They have found 350 micrograms of uranium in the samples, not radiation.

Naturally occurring uranium is not really radioactive, since it's over 99% uranium-238 isotope, which has a half-life of 4.47 billion years - which means the main problem with it is toxicity rather than radioactivity.
not rated yet Nov 15, 2012
Not to mention that I've never heard of radiation being measured in units of mass.

On the other hand, Einstein said mass and energy are the same, so I guess one COULD do it. How many micrograms to a megawatt?
not rated yet Nov 15, 2012
How many micrograms to a megawatt?

It still doesn't make sense, because power is energy over time.
not rated yet Nov 15, 2012
True, but megawatt-hours could be converted to microgram-hours just as easily. It would be the same as measuring water in liters and flow rate in liters per minute.

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