Abstract:  
Crisis phenomena in the modern economy produce a destructive effect upon the well-being of contract workers. More often, the organizations implement the toxic practices of human resource management, which led to the increase in the level of social pollution of corporate environment, forming the unfavorable psychosocial conditions for professional activity among the staff members. The subject of this research is the labor relations; the goal consists in the monitoring and analysis of changes in labor relations of the five countries, identification of differences and common regularities in labor relations between the employers, chiefs, and employees in various countries that are the factors of social pollution of corporate environment. The article provides the interim results of monitoring, conducted by the author over the period of 2015-2016, that reflect the perception of employees of different categories realizing their professional activity in various socioeconomic conditions, as well as status the employer – worker relationship. Based on the results, the authors reveal the factors of social pollution that have a negative effect upon the well-being of contract workers. The article also identified the factors of formation and expansion of precariat as a new social class. The detailed examination of the aforementioned factors will allow developing the new approaches and methods of managing the well-being of workforce potential at macro and micro levels.