Abstract
The results of laboratory tests carried out on test surfaces made of stainless steel, tile and metlakh tile, wood, concrete are presented. As test microorganisms, museum cultures of Escherichia coli (strain 1257), Staphylococcus aureus (strain 209R), Mycobacteria (strain B-5), B. сereus (pcs. 96) were used. In the course of the experiments, disinfection regimes (concentration, exposure, consumption of disinfectant) were established for disinfecting smooth and rough surfaces. In this case, effective disinfection of all types of test surfaces contaminated with E. coli and S. aureus was obtained by processing 0,7% solution, respectively, for 1 and 3 hours at a rate of 0,5 liters / m2. Disinfection of test surfaces contaminated with Mycobacteria (strain B-5) and B. cereus (pcs. 96) spores reached 4,0%, respectively, after a single and 5,0% concentration after double treatment at a rate of 0,5 l/m2 for 24 hours exposure.
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