Evaluation on control effect of occupational hazards in a metal corrosion protection factory of Daqing oil field
HOU Yu-bing;YAN Hong;DU Zhi-yong;Detecting and Evaluation Room ,Occupational Disease Prevention and Control Office of Daqing Petroleum Administration Bureau;
Objective To evaluate the hazard degree and control effect of occupational hazards in the process of production of a metal corrosion protection factory in Daqing oil field. Methods According to the results of hygiene investigation,field test and the relevant standards and norms,the control effect of enterprise technical innovation project of occupational disease hazard was evaluated. Results The project production process in the presence of occupational disease risk factors short contact concentration of benzene was 0. 6 mg/m~3,toluene was 3. 4- 13. 8 mg/m~3,xylene was 5. 8- 26. 2 mg/m~3,time weighted average concentration of benzene was 0. 6 mg/m~3,toluene was 1. 6- 6. 5 mg/m3,xylene was 2. 9- 10. 2mg/m~3,butanol was 4. 8- 14. 7 mg/m~3,were accordance with national health standards. Conclusion The occupational hazard factors in the project are accordance with the requirements of the national occupational health standard,the occupational disease risk factors are controllable,and the occupational disease prevention measures are effective.