The solid Aerosol Paticles are in the Natural-technical Systems of the Cisbaikal
The inproved method of X-ray quatiative phase analysis for the first time. It let us examine composition of the solid aerosol particles on the territory of some towns and industrial centres of Irkutsk region. As a result of this work we came to the conclusion that the solid aerosol particles have fibrogen activity and oncogenic properties. They are indicator of the natural-technical systems.