Patent ID: 7611667

Claim:
A decontamination system comprising: a first source of a first liquid sterilant including a sterilant chemical at a first concentration; a second source of a second liquid sterilant including said sterilant chemical at a second concentration; first regulating means for regulating a flow rate of the first liquid sterilant; second regulating means for regulating a flow rate of the second liquid sterilant; a controller including a data storage device for storing a plurality of data values indicative of an electrical property of a first sensor when exposed to a plurality of known concentrations of the sterilant chemical, wherein said controller is programmed to: control said first and second regulating means to produce a blended liquid sterilant comprised of the first and second liquid sterilant; determine the concentration of the sterilant chemical in the blended liquid sterilant by use of: (a) a signal generated by the first sensor when exposed to the blended liquid sterilant, and (b) the plurality of data values stored in the data storage device; and control the first and second regulating means to produce a blended liquid sterilant having the sterilant chemical at a desired concentration; a vaporizer for vaporizing said blended liquid sterilant having the sterilant chemical at the desired concentration to produce a vaporized sterilant; and a chamber for receiving said vaporized sterilant.