Radon Flux Measurements as Predictor for Indoor Radon ...
Measurements were made sampling the radon flux using a multiple set of H-chambers (960 ml) with short term electrets (HST) developed and produced by the manufacturer of the E-PERM system. (Rad-Elec, Inc., Frederick, MD). The half-sphere like chamber (H-chamber, hat chamber) with a diameter of 6 inches has a Tyvek diffusion window
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