Detection Results of Benzene,Toluene and Xylene in the Air of Workplace in Suzhou Industrial Park

[Objective]To understand the contamination degrees of benzene,toluene and xylene in workplace air and the rectifying effect in Suzhou Industrial Park.[Methods]The sampling,testing and analysis were on the basis of national standard method,the control effect of occupational hazards in this project is evaluated.[Results]The over standard rates of benzene,toluene and xylene decreased annually,the detection rate of highly toxic benzene decreased annually too.[Conclusion]In recent years,the efficient prevention and control measures have been adopt.The key to occupational health work in future are strengthening the monitoring of over standard enterprise,decreasing the use of high toxic benzene,reducing over standard rate.