In the assay of video recordings of the interactions between a doctor and examinees following internal radiation exposure tests at a hospital in Fukushima Prefecture, this paper examines how the participants handle one of the most grave consequences of the Fukushima disaster, that is, their worries about radioactive materials. To do so, this study uses conversation analysis. The doctor’s test result presentation offers the examinees a place to voice relief and also makes pertinent the justification work linked to the expression of relief.