A treatment chamber 102 in which an object may be disinfected, deodorized, and/or sterilized. A source 172 of Hydroxyl radicals is arranged to introduce treatment agents, including Hydroxyl radicals, into the chamber 102. Operable sources 172 include nebulizer, Fenton generator, and Hydrogen Peroxide in the presence of nanoparticle catalyst and UV light. Ozone may be applied as an additional treatment agent. A tablet dispenser 128 may optionally be included to introduce additional chemical treatment agents into the chamber 102. The entire treatment device 100A-O may be sized for placement and use at the point-of-use of an object to be sterilized, such as in a hospital to sterilize an endoscope component.
