The hygienic norms

The hygienic standards adopted by the sanitary legislation (sanitary norms and rules) quantitative indicators of working conditions and the external environment and provide the most favourable conditions of professional activity and life of the population. The system of hygienic standards includes: air temperature, humidity and speed of movement of the working environment, residential and public buildings, the intensity of radiant energy in different areas of the spectrum, the intensity of noise and vibration, the content of chemical substances in air, water, food, nutrients and food rations people depending on age and work performed, hours of work and rest, property service, font sizes, textbooks, etc.