Natural approach against airborne hazards. Natural approach against airborne hazards. In contrast to known room air disinfection methods, this new development can be used for both permanent disinfection of ventilation systems and continuous disinfection of particles bearing bacteria and viruses in room air – in the presence of persons in the room. The biologically and toxicologically harmless approach is based on the enhancement of active substances such as organic acids and oxidizing agents (L.O.G. Technology®).