How often does the occupational health check take place?

In order to conduct occupational health checks on employees, enterprises should carry out physical examinations before, during and after their departure. How long should an inspection be performed on the job? Should there be a hard requirement?

The National Occupational Hygiene Standard of the People's Republic of China, "Technical Specification for Occupational Health Monitoring" (GBZ188-2007), specifies the types and periods of occupational health surveillance:

Occupational health monitoring is divided into pre-employment inspections, regular inspections during the post, post-employment inspections, post-employment medical follow-ups and emergency health checks.

1. Pre-employment check The mandatory occupational health check should be completed before starting the harmful work.

2. Regular health check during the period The periodical health check cycle is determined in principle according to the nature of various occupational hazards, the concentration or intensity of harmful factors in the workplace, the incubation period of the target disease, and protective measures.

The Occupational Health Monitoring Technical Specification deals with lead and its inorganic compounds, tetraethyl lead, mercury and its inorganic compounds, manganese and its inorganic compounds, antimony and its inorganic compounds, cadmium and its inorganic compounds, chromium and its inorganic compounds, Zinc oxide, arsenic, antimony/arsenic trioxide (arsine trihydrogen), phosphorus and its inorganic compounds, phosphine, antimony compounds (cerium chloride, antimony nitrate, antimony acetate), vanadium and its inorganic compounds, organotin compounds , antimony and its inorganic compounds, nickel carbonyl, fluorine and its inorganic compounds, benzene (conducted by reference to industrial toluene, xylene), carbon disulfide, carbon tetrachloride, methanol, gasoline, methyl bromide, 1,2-dichloroethane, N-hexane, benzene amino and nitro compounds, trinitrotoluene, benzidine, chlorine, sulfur dioxide, nitrogen oxides, ammonia, phosgene, formaldehyde, monomethylamine, carbon monoxide, hydrogen sulfide, vinyl chloride, trichloroethylene, Chloropropene, chloroprene, organic fluorine, toluene diisocyanate, dimethylformamide, cyanide and nitrile compounds, phenols (phenol compounds such as cresol, catechol, resorcinol, Hydroquinone and other reference ), pentachlorophenol, chloromethyl ether [bis(chloromethyl)ether reference implementation], acrylamide, dimethyl hydrazine, dimethyl sulfate, organophosphorus pesticides, carbamate insecticides, Pesticides such as pyrethroids, acid mists or anhydrides, and asthmatic substances, workers exposed to various types of dust, personnel dealing with harmful physical factors, personnel working in contact with pests, and special operators Clear regulations.

For example, the health inspection period for workers exposed to lead and its inorganic compounds is one year. The health inspection cycle for workers exposed to mercury and its inorganic compounds is (1) the exposure of workers to mercury concentrations exceeding the national hygienic standard: 1 year; (2) the exposure of workers to mercury concentrations in line with national health standards: 2 times a year. The worker's health check cycle for exposure to benzene's amino and nitro compounds is 2 years. For details, please refer to the National Occupational Health Standard of the People's Republic of China "Technical Specification for Occupational Health Monitoring" (GBZ188-2007).

3. Health checkups at the time of leaving (1) The worker shall perform health checks when leaving the post before preparing to transfer or disengage from the occupational hazards he is engaged in; or (2) If the health check during the last post is in Within 90 days before leaving the post, it can be regarded as an inspection when leaving the post.

4. Follow-up medical examination after leaving the job (1) If the occupational disease hazard factors contacted have chronic health effects, or the disease has a long incubation period, occupational diseases may still occur after disengagement, and medical follow-up examination is required. (2) Patients with pneumoconiosis need follow-up medical examination after leaving the post. (3) The length of the follow-up period should be based on comprehensive consideration of the epidemiological and clinical characteristics of the pathogenic factors, the length of time the worker is engaged in the operation, and the concentration of harmful factors in the workplace.

5. Emergency checks Emergency health checks should start immediately after the accident.

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