The inactivation of Bacillus subtilis spores at low concentrations of hydrogen peroxide vapour

► Bacillus subtilis spores were exposed to low concentrations of H2O2 vapour. ► D values were derived by mathematically modelling the inactivation kinetics. ► Best fits of our data were obtained using the Weibull model. ► D values are quoted for the range 10-4000 ppm H2O2.