Abstract
Previous studies measured the effects of 222Rn on various thermoluminescent dosemeters (TLDs). This study quantified the effects of 222Rn on LiF : Ti,Mg chips encapsulated in plastic extremity rings. For 28 d, one batch of TLDs was left in a chamber with high radon levels, and another batch in a control chamber with normal background radon levels. A few TLDs in each batch were removed from the rings for direct exposure to the ambient air in each chamber. Passive continuous radon monitors (CRMs) recorded the 222Rn levels. TLDs were processed using a third-party dosimetry company, CRM data were analysed, and the relationship between integrated 222Rn concentration and TLD response was determined. The batch of TLDs in the experimental chamber showed a weak response to 222Rn gas, which was in the order of 0.5 nSv Bq−1 m3 d−1.
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