[Sanitary-hygienic regulations of the utilization of asbestos production waste in railway facilities].

The hazards of utilizing the asbestos production wastes in railway construction are analyzed. An increased risk of cancer development was observed only in groups exposed to asbestos in concentrations surpassing the maximal permissible level, as shown by mortality records. The authors come to a conclusion that the use of asbestos waste is permissible only on condition of strict adherence to sanitary regulations.