A field comparison of ethylene vinyl acetate and low-density polyethylene thin films for equilibrium phase passive air sampling of polycyclic aromatic hydrocarbons

Kennedy, K., Hawker, D. W., Mueller, J. M., Bartkow, M. E. and Truss, R. W. (2007) A field comparison of ethylene vinyl acetate and low-density polyethylene thin films for equilibrium phase passive air sampling of polycyclic aromatic hydrocarbons. Atmospheric Environment, 41 27: 5778-5787.


Author Kennedy, K.
Hawker, D. W.
Mueller, J. M.
Bartkow, M. E.
Truss, R. W.
Title A field comparison of ethylene vinyl acetate and low-density polyethylene thin films for equilibrium phase passive air sampling of polycyclic aromatic hydrocarbons
Journal name Atmospheric Environment  (ERA 2012 Listed)    (ERA 2010 Rank A)   Check publisher's open access policy
Publication date 2007-09
Sub-type Article
Year available 2007
DOI 10.1016/j.atmosenv.2007.02.033
Volume number 41
Issue number 27
ISSN 0004-6981
Start page 5778
End page 5787
Total pages 10
Place of publication Amsterdam, The Netherlands
Publisher Oxford : Pergamon Press/Elsevier
Collection year 2008
Language eng
Subject 291104 Environmental Technologies
321201 Environmental and Occupational Health and Safety
260699 Atmospheric Sciences not elsewhere classified
C1
Abstract Ethylene vinyl acetate (EVA) and low-density polyethylene (LDPE) were compared as thin film polymer passive air samplers for polycyclic aromatic hydrocarbons (PAHs). These samplers were co-deployed for periods of up to 27 days at an urban field site in Brisbane. Despite demonstrated air side resistance to mass transfer, sampling rate ratios indicate rapid accumulation kinetics for EVA compared with LDPE. Confirming theoretically predicted values, sampler-air partition coefficients were greater for EVA as compared with LDPE. The relatively high capacity of EVA films may be an advantage in terms of sensitivity, when film thickness and hence amounts accumulated at equilibrium, are low. Predictions of times to effective equilibrium were made for a nominal film thickness of 1 μm. These predictions indicate that both types of films would be effective equilibrium phase samplers for predominantly vapour phase PAHs with log octanol-air partition coefficients values of 8.7 (pyrene). Despite comparatively rapid linear stage kinetics for EVA, the predicted times to effective equilibrium for PAHs are less for LDPE. This arises due to the relative magnitude of their respective KSA values. The predicted times to equilibrium (25 °C) for pyrene for example are approximately 94 and 34 days for EVA and LDPE, respectively.
Keyword Passive air sampling
Polycyclic aromatic hydrocarbons
Low-density polyethylene
Ethylene vinyl acetate
Q-Index Code C1
Q-Index Status Confirmed Code

 
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Created: Fri, 02 May 2008, 15:01:43 EST by Marie-Louise Moore on behalf of National Res Centre For Environmental Toxicology