Santa Monica rain radiation reads 264% of normal. But is this sample, which decayed down to background within two days, reading hot because of so-called “radon progeny”?
Tag: radon progeny
Rain – May 9, 2011
Ten minute average of a rain sample gathered May 9, 2011. 42.4% above background with no radon progeny (daughters) to falsely bump this troubling reading higher. Significant sample.
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