据报道 ,２００１年１０月６日 ,河南省某纸业公司在清理纸浆池过程中 ,由于池内缺氧 ,造成入池３人先后窒息死亡的重大事故。近几年来 ,缺氧危险作业造成的伤亡事故屡有发生 ,究其原因 ,除安全方面的管理措施不到位之外 ,缺氧环境本身的特点必须引起我们的关注。一是缺氧环境 It was reported that on October 6, 2001, a paper company in Henan Province, during the process of cleaning up the pulp pool, caused a major accident of asphyxiation and death of 3 people who entered the pool due to lack of oxygen in the pool. In recent years, there are many casualties caused by hypoxia-hazardous work. The reason for this is that besides the safety management measures are not in place, the characteristics of the hypoxic environment must be our concern. First, hypoxic environment