Don’t eat seafood, don’t swim in the ocean. Problem solved.
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Since the ocean deposits salt and other minerals on the rocks and shoreline, why wouldn’t contaminates end up on our beaches and being blown with sand inland?
Sand does not bind with Cs atoms, neither does NaCl. There will likely be a tiny amount of Cs and other isotopes that do get carried distances by the wind.....just as the dust blown around the country from the Colorado plateau has radiactive elements mixed in.....again in vanishingly small concentrations. Such amounts are measures in fractions of a Bq.....an amazingly small amount. The risk is not zero for people......just VERY VERY close to zero. Normalcy bias.....people are freaking out about the one in a million+ chance they will die from Fukushima and ignore the one in a thousand chance they will die in a car crash. They scream about pbysics they simply cannot comprehend while stuffing their faces and bloating from fat to obese....doubling or even tripling the chances they die THIS YEAR from a heart attack. Worry about the things that are truly dangerous to you....not the theoretical risks.