Occupational hazard investigation and risk assessment of 25 electroplating enterprises in a district of Shenzhen
Objective To investigate and assess the occupational hazards in 25 electroplating enterprises in a street of Shenzhen,the study was designed to grasp the current situation of occupational hazards in electroplating enterprises in the street,and provided some guidance suggestions to reduce the occurrence of occupational disease inductive events.Methods The comprehensive index assessment method of the technical guidelines for occupational health risk assessment of chemi-cal hazardous factors in the workplace(GBZ/T 298-2017)was adopted to carry out occupational hazard investigation and risk assessment for 25 electroplating enterprises in a street of Shenzhen.Results The average risk level of the 25 elec-troplating enterprises in this assessment was 3(medium risk)for 5 enterprises and 4(high risk)for 20 enterprises.Ac-cording to post statistics and analysis,electroplating,pickling and degreasing posts were key posts;According to the statis-tical analysis of hazard factors,sulfuric acid,hydrochloric acid,nickel and its compounds and sodium hydroxide had the highest utilization rate;According to the statistical analysis of risk level,the proportion of high-risk points and extremely high-risk points was more than 70％;According to the statistical analysis of the average risk level of occupational hazard factors,the average risk level of hydrogen cyanide and trichloroethylene exceeded 4.Conclusion The factors of occupation-al disease hazards in the electroplating industry are complex,including chemical poisoning,occupational chemical skin burns and other industries with high incidence of occupational diseases.There are many problems in occupational disease prevention and control measures,and the overall harm of the industry is serious.
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