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Estimated Risk of Occupational Fatalities Associated with Hazardous Waste Site Remediation

机译:与危险废物场址修复相关的职业死亡估计风险

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This study presents a method to assess short term traumatic fatality risks for workers involved in hazardous waste site remediation to provide a quantitative, rather than qualitative, basis for evaluating occupational exposures in remediation feasibility studies. Occupational employment and fatality data for the years 1979–1981 and 1983 were compiled from Bureau of Labor Statistics data for 11 states. These data were analyzed for 17 occupations associated with three common remediation alternatives: excavation and landfill, capping, and capping plus slurry wall. The two occupations with the highest death rates, truck driver and laborer, contributed most to total exposure hours in each alternative. Weighted average death rates were produced for each alternative and multiplied by respective total person‐years of exposure. The resultant expected number of fatalities was converted, using the Poisson distribution, to the risk of experiencingat leastone fatality, as follows: 0.149 for excavation and landfill, 0.012 for capping, and 0.014 for capping plus slurry wall. These risks were discussed in light of the need to obtain more reliable and comprehensive data than are currently available on the occupational safety and health risks associated with hazardous waste site remediation and the need for a more scientific, quantitative approach to remediation decisions involving risks to work
机译:本研究提出了一种评估参与危险废物场址修复的工人的短期创伤性死亡风险的方法,为评估修复可行性研究中的职业暴露提供定量而非定性的基础。1979-1981 年和 1983 年的职业就业和死亡数据是根据劳工统计局 11 个州的数据编制的。这些数据分析了与三种常见修复方案相关的 17 个职业:挖掘和垃圾填埋、封顶和封顶以及泥浆墙。死亡率最高的两个职业,卡车司机和劳工,对每种备选方案的总暴露小时数贡献最大。对每种备选方案产生加权平均死亡率,并乘以各自的总暴露人年。使用泊松分布将得出的预期死亡人数转换为至少发生一次死亡的风险,如下所示:挖掘和填埋场为 0.149,封顶为 0.012,封盖加泥浆墙为 0.014。讨论这些风险的依据是,需要获得比目前更可靠和更全面的关于危险废物场址补救工作的职业安全和健康风险的数据,并且需要对涉及工作风险的补救决策采取更科学、更定量的办法

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