According to Article 4 of the Measures for the Administration of Occupational Health Surveillance, the employer shall organize the workers who are exposed to occupational hazards to carry out occupational health examination. Workers receiving occupational health examination should be regarded as normal attendance.
The period of workers' occupational health examination is:
1. gasoline: the health check period is 1 year;
1. Noise: the health examination period is 1 year;
13. High temperature: the physical examination period is 1 year, which should be carried out before the arrival of high temperature season every year.