我厂过去由于对金属铊 的化合物──磺化铊的毒性 缺乏认识,曾发生过职业性　的慢性铊中毒。为了保护铊　作业人员的身体健康,促进 我国原子能事业和同位素应 用的发展,在厂领导支持和 北京市工业卫生职业病研究 所等单位的大力协助下,采 取措施使铊作业的环境得到 了改善,防止 In the past, due to the lack of understanding of the toxicity of thallium compound, the thallium compound, in our factory, occupational chronic thallium poisoning occurred. In order to protect the health of thallium workers and promote the development of nuclear energy industry and isotope application in our country, with the help of plant leadership support and the Beijing Municipal Institute of Industrial Hygiene and Occupational Diseases, with the great help of such units, measures have been taken to improve the environment of thallium operation and prevent