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

Bartkow, Michael E. and Jones, Kevin C. and Kennedy, Karen E. and Holling, Neil and Hawker, Darryl W. and Muller, Jochen F. (2006) Evaluation of performance reference compounds in polyethylene-based passive air samplers. Environmental Pollution, 144 (2). pp. 365-370. ISSN 0269-7491

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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. Performance reference compounds (or depuration compounds) can be used to correct the influence of wind speed on sampler performance.

Item Type: Journal Article
Journal or Publication Title: Environmental Pollution
Uncontrolled Keywords: Passive air sampler ; Performance reference compound ; PRCs ; Wind effects ; Polyaromatic hydrocarbons ; Polychlorinated biphenyls
Subjects: ?? ge ??
Departments: Faculty of Science and Technology > Lancaster Environment Centre
ID Code: 8424
Deposited By: Ms Margaret Calder
Deposited On: 23 Apr 2008 16:23
Refereed?: Yes
Published?: Published
Last Modified: 19 Jun 2018 02:47
Identification Number:

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