1. Dept. of Environmental Protection and Labor Protection Technologies, Kyiv National Univ. of Construction and Architecture, Kyiv, Ukraine
2. Dept. of Environmental Protection and Labor Protection Technologies, Kyiv National Univ. of Construction and Architecture, Kyiv, Ukraine.
3. Heat-Gas Supply and Ventilation Dept., Kyiv National Univ. of Construction and Architecture, Kyiv, Ukraine.
4. Graduate Student, Dept. of Environmental Protection and Labor Protection Technologies, Kyiv National Univ. of Construction and Architecture, Kyiv, Ukraine