A periodic pumping technique of soil gas for <sup>222</sup>Rn stabilization in large calibration chambers: part 2-theoretical formulation and experimental validation.

Sci Rep · 2020 · PMC7538436 · PMID 33024133

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a decreasing trendno p-value reported

5 the concentration values show a decreasing trend with time since the 222 Rn pumped during the selected pumping period intervals was not able to compensate for decay and leak.

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