An impact on an employee of harmful factors occurring in the work process, whose concentration or intensity is greater than binding HAC (the highest allowed concentration) and HAI (the highest allowed intensity), Polish standards or other sanitary norms (even if personal protective equipment was used). Work environment comprises: physical (e.g. lighting, noise, microclimate), chemical (e.g. toxic substances) and biological (e.g. bacteria) factors in the work area (e.g. in a shop, at a workstation) as well as in the area surrounding the workplace.

• Working conditions