Fate coefficients for the toxicity assessment of air pollutants

被引：2

作者：

Jolliet O. ^{[1
]}

Crettaz P. ^{[1
]}

机构：

[1] Swiss Fed. Institute of Technology, Inst. of Soil and Water Management

来源：

The International Journal of Life Cycle Assessment | 1997年 / 2卷 / 2期

关键词：

Air pollutants; Fate coefficients; Dilution; air pollutants; Exposure; Fate factors of air pollutants; empirical approach; LCIA; Life cycle Impact Assessment; Residence time; Toxicity assessment;

D O I：

10.1007/BF02978768

中图分类号：

学科分类号：

摘要：

The inclusion of fate and exposure is a central issue in Life Cycle Impact Assessment (LCIA). According to the framework developed by the Society of Environmental Toxicity and Chemistry (SETAC), fate and exposure route are included through a fate coefficient which makes the link between an emission and the related increase in concentration. In the Critical surface-time 95 methodology, fate factors of air pollutants are determined empirically at a world level as the ratio of measured concentration to the total estimated emission flow. Based on a detailed study performed for seventeen pollutants, a correlation is developed to predict fate factors from the residence time. Variation of a factor 10000 are observed for the fate coefficient. Empirical fate factors are compared to modelled fate factors and are found to have a similar order of magnitude.

引用

页码：104 / 110

页数：6

共 15 条

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