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If a relatively unventilated area, like a basement, were to be exposed to radon gas (Rn-222), would the dust in the area possess a detectable amount of lead? Considering lead 214 is a decay product of radon 222, will a room exposed to radon gas possess dust with a detectable and differentiable amount of lead relative to a room that is unexposed?

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  • $\begingroup$ Chemically not, as amount of 214Pb is unrelated to total amount of lead. $\endgroup$ – Poutnik Oct 6 '19 at 5:47
  • $\begingroup$ The dust, or rather walls, is better to be tested for 226Ra. And the best is usage to passive long term scanners of 222Rn, detecting alpha decays of gaseous radon. $\endgroup$ – Poutnik Oct 7 '19 at 4:51
  • $\begingroup$ The 26 minute half life of Pb-214 would seem to be a problem... $\endgroup$ – Jon Custer Oct 7 '19 at 12:52

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