Comparison and Evaluation of Multiple Users' Usage of the Exposure and Risk Tool: Stoffenmanager 5.1.

Annals of Occupational Hygiene Pub Date : 2015-08-01 Epub Date: 2015-04-09 DOI:10.1093/annhyg/mev027
Hanna E Landberg, Peter Berg, Lennart Andersson, Ulf Bergendorf, Jan-Eric Karlsson, Håkan Westberg, Håkan Tinnerberg
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引用次数: 28

Abstract

Stoffenmanager is an exposure and risk assessment tool that has a control banding part, with risk bands as outcome and a quantitative exposure assessment part, with the 90th percentile of the predicted exposure as a default outcome. The main aim of the study was to investigate whether multiple users of Stoffenmanager came to the same result when modelling the same scenarios. Other aims were to investigate the differences between outcomes of the control banding part with the measured risk quota and to evaluate the conservatism of the tool by testing whether the 90th percentiles are above the measured median exposures. We investigated airborne exposures at companies in four different types of industry: wood, printing, metal foundry, and spray painting. Three scenarios were modelled and measured, when possible, at each company. When modelled, 13 users visited each company on the same occasion creating individual assessments. Consensus assessments were also modelled for each scenario by six occupational hygienists. The multiple users' outcomes were often spread over two risk bands in the control banding part, and the differences in the quantitative exposure outcomes for the highest and lowest assessments per scenario varied between a factor 2 and 100. Four parameters were difficult for the users to assess and had a large impact on the outcome: type of task, breathing zone, personal protection, and control measures. Only two scenarios had a higher measured risk quota than predicted by the control banding part, also two scenarios had slightly higher measured median exposure value than modelled consensus in the quantitative exposure assessment part. Hence, the variability between users was large but the model performed well.

多用户使用暴露与风险工具的比较与评价:Stoffenmanager 5.1。
Stoffenmanager是一种暴露和风险评估工具,它有控制分级部分,风险分级作为结果,定量暴露评估部分,预测暴露的第90个百分位数作为默认结果。这项研究的主要目的是调查在模拟相同的场景时,Stoffenmanager的多个用户是否会得出相同的结果。其他目的是调查控制分级部分的结果与测量风险配额之间的差异,并通过测试第90百分位数是否高于测量的中位数暴露来评估该工具的保守性。我们调查了四种不同行业公司的空气暴露情况:木材、印刷、金属铸造和喷漆。在可能的情况下,对每家公司的三种情况进行了建模和测量。当建模时,13个用户在同一场合访问每个公司,创建单独的评估。六名职业卫生学家还为每种情景建立了共识评估模型。在控制分级部分,多个用户的结果通常分布在两个风险等级上,每个情景的最高和最低评估的定量暴露结果差异在2至100倍之间。用户难以评估且对结果影响较大的四个参数:任务类型、呼吸区、个人防护和控制措施。只有两种情景的测量风险配额高于控制分级部分预测的风险配额,两种情景的测量中位暴露值略高于定量暴露评估部分的建模共识。因此,用户之间的差异很大,但模型表现良好。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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