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All I know is that my high school in the Netherlands had to replace all the air filters on their ventilation system after Chernobyl, as we got a whiff of the fallout and the filters trapped enough of it to have a measurable raised radioactivity.
The physics lab had a couple of radiation meters and we students were sent out to hunt for radioactivity, which was great fun at first. School utensils were fine, the garden was fine, the butt of one of my classmates was fine but the vent units were not. Not that bad actually - maybe three times normal background radiation. But still.
I don't know what they did with the air filters except that the township collected them wearing white suits and face masks.
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2011 Honda Insight + HID, LEDs, tiny PV panel, extra brake pad return springs, neutral wheel alignment, 44/42 PSI (air), PHEV light (inop), tightened wheel nut.
  lifetime FE over 0.2 Gmeter or 0.13 Mmile.
For confirmation go to people just like you.
For education go to people unlike yourself.
Last edited by RedDevil; 10-09-2018 at 03:24 AM..
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