Evaluation of performance reference compounds in polyethylene-based passive air samplers

被引:38
作者
Bartkow, Michael E. [1 ]
Jones, Kevin C.
Kennedy, Karen E.
Holling, Neil
Hawker, Darryl W.
Mueller, Jochen F.
机构
[1] Univ Queensland, ENTOX, Coopers Plains, Qld 4108, Australia
[2] Univ Lancaster, Dept Environm Sci, Lancaster LA1 4YQ, England
[3] Univ Queensland, Queensland Hlth & Sci Serv, Coopers Plains, Qld 4108, Australia
[4] Griffith Univ, Fac Environm Sci, Nathan, Qld 4111, Australia
基金
澳大利亚研究理事会;
关键词
passive air sampler; performance reference compound; PRCs; wind effects; polyaromatic hydrocarbons; polychlorinated biphenyls;
D O I
10.1016/j.envpol.2005.12.043
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
Polyethylene-based passive air samplers (PSDs) were loaded with performance reference compounds (PRCs) and deployed in a wind tunnel to examine the effects of wind speed on sampler performance. PRCs could be loaded reproducibly into PSDs, with coefficients of variation only exceeding 20% for the more volatile compounds. When PSDs were exposed to low (0.5-1.5 m s(-1)) and high (3.5-4.5 m s(-1)) wind speeds, PRC loss rate constants generally increased with increasing wind speed and decreased with increasing sampler/air partition coefficients. PSD-based air concentrations calculated using PRC loss rate constants and sampler/air partition coefficients and air concentrations measured using active samplers compared closely. PRCs can be used to account for the effect of differences in wind speeds on sampler performance and measure air concentrations with reasonable accuracy. (c) 2006 Elsevier Ltd. All rights reserved.
引用
收藏
页码:365 / 370
页数:6
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