Fig. 2From: Generation of ozone during irradiation using medical linear accelerators: an experimental studyMean ozone concentrations in the treatment rooms. White bars denote the concentrations in the room equipped with the TrueBeam machine, and dotted bars denote the concentrations in the room equipped with the TomoTherapy machine. Concentrations were measured on 2 different days. The standard deviations of the three measurements are too small to displayBack to article page