[A new method of occupational evaluation of combined effect induced by chemical substance and physical load]

The authors analyzed literature and personal investigations of a method evaluating influence of airborne chemical hazards on humans and created a new physiologic and ergonomic method for this evaluation. The new method, if compared to the traditional one, considers not only multiplicity of the MAC excess for chemical hazards in air, but also a worker's current functional state resulting from work hardiness and ratio of this state to the regular one. Thus, the physiologic and ergonomic method, when compared to the traditional one, precisely evaluates influence of airborne chemical hazards on humans being under excessive physical strain.