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目的了解2009—2011年上海市金山区涉及苯系物的企业职业病危害因素监测情况,为政府制定重点职业病预防控制策略提供科学依据。方法采用随机抽样法,抽取金山区11家涉及苯系物的企业进行连续监测,通过对现场作业场所空气采样和实验室检测进行苯系物职业病危害因素分析。结果对涉及苯系物中的“三苯”(苯、甲苯、二甲苯)企业的91个作业点进行定点采样分析,合格80点,不合格11点,合格率为87.9%。对128名苯系物作业人员进行了个体采样,合格115人,不合格13人,合格率为89.8%。合格率均呈逐年升高趋势,经统计学分析,差异有统计学意义(P<0.05或P<0.01)。结论 2009—2011年金山区苯系物检测合格率较高,但仍需加强对企业的职业卫生监督和宣传教育。
Objective To understand the monitoring of occupational hazards in enterprises involved in benzene series in Jinshan District of Shanghai from 2009 to 2011 and provide a scientific basis for the government to formulate key occupational disease prevention and control strategies. Methods Random sampling method was used to continuously monitor 11 enterprises involved in benzene series in Jinshan District. The hazard factors of occupational diseases of benzene series were analyzed by air sampling and laboratory tests on site. Results A total of 91 operating points involving “triphenyl” (benzene, toluene and xylene) in the benzene series were subjected to fixed point sampling and analysis. The results showed that 80 points were qualified and 11 points failed. The pass rate was 87.9%. A total of 128 BTEX workers were sampled individually, with 115 qualified and 13 unqualified. The pass rate was 89.8%. The pass rate showed a trend of increasing year by year, and the difference was statistically significant (P <0.05 or P <0.01). Conclusion The qualified rate of benzene series test in Jinshan District in 2009-2011 is high, but occupational health supervision and publicity and education of enterprises still need to be strengthened.