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了解和掌握广东省使用三氯乙烯(TCE)重点地区部分工厂职业危害现状。通过查找档案、现场调查和定点采样等方法对2008年9月-2011年3月广东省48家工厂进行调查。结果显示,现使用TCE的工厂有31家,直接岗位接触TCE的人数为142人,间接岗位接触人数为421人,直接岗位TCE接触浓度M(P25~P75)为193.32(101.97~964.40)mg/m3,超标率为86.2%;间接岗位TCE接触浓度M(P25~P75)为12.09(6.89~24.93)mg/m3,超标率为13.3%;总超标率为61.4%。提示,广东省重点地区使用TCE的工厂有所减少,但危害情况严重,间接岗位接触工人较多,应加强防护措施,继续做好职业性TCE药疹样皮炎的防治工作。
Understand and grasp the status quo of occupational hazards in some factories in Guangdong using TCE. The investigation was conducted on 48 factories in Guangdong Province from September 2008 to March 2011 by searching archives, field surveys and spot sampling. The results showed that there are 31 factories that use TCE, the number of direct job contact TCE is 142, the number of indirect job contact is 421, the direct job TCE exposure concentration M (P25 ~ P75) is 193.32 (101.97 ~ 964.40) mg / m3, exceeding the standard rate of 86.2%; indirect post TCE exposure concentration M (P25 ~ P75) was 12.09 (6.89 ~ 24.93) mg / m3, exceeding the standard rate of 13.3%; It is suggested that the factories using TCE in key areas of Guangdong Province have been reduced. However, the situation is serious and there are more workers exposed to indirect posts. Protective measures should be strengthened so as to continue the prevention and treatment of occupational TCE-like dermatitis.