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长期接触苯对造血系统有损害,可引起慢性中毒。慢性中毒主要表现有神经衰弱综合症及造血系统的改变,严重的可引起再生障碍性贫血。高浓度苯对中枢神经系统有麻醉作用,可引起急性中毒。1982年国际癌症研究机构(IARC)确立苯为白血病致病因子,我国也于1987年将苯致白血病确定为职业性肿瘤。因此对职业性苯中毒尤为重视。某公司发现在其涂装作业部工位出现7名疑似苯中毒的人,对其涂装作业部进行职业病调查。1对象与方法1.1调查对象某公司涂装作业部工人、涂装作业部工位
Long-term exposure to benzene damage to the hematopoietic system can cause chronic poisoning. The main manifestations of chronic poisoning are neurasthenia syndrome and hematopoietic system changes, can cause severe aplastic anemia. High concentrations of benzene on the central nervous system anesthesia can cause acute poisoning. In 1982, the International Agency for Research on Cancer (IARC) established that benzene is the virulence factor of leukemia. In 1987, China also identified benzene-induced leukemia as a occupational tumor. Therefore, the importance of occupational benzene poisoning. A company found that seven workers suspected of benzene poisoning at its painting operations department carried out an occupational disease investigation of its painting operations department. 1 objects and methods 1.1 survey of a company painting the Department of workers, painting job site