Passive sampling of perfluorinated chemicals in water: in-situ calibration
Kaserzon, Sarit L., Hawker, Darryl W., Booij, Kees, O'Brien, Dominique S., Kennedy, Karen, Vermeirssen, Etienne L.M., and Mueller, Jochen F. (2014) Passive sampling of perfluorinated chemicals in water: in-situ calibration. Environmental Pollution, 186. pp. 98-103.
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Abstract
Perfluorinated chemicals (PFCs) have been recognised as environmental pollutants that require monitoring. A modified polar organic chemical integrative sampler (POCIS) is able to quantify aqueous PFCs. However, with varying external water velocity, PFC sampling rates (R-s) may change, affecting accuracy of derived water concentrations. To facilitate field deployment of this sampler, two methods of in-situ calibration were investigated: performance reference compounds (PRCs) and passive flow monitors (PFMs). Increased R-s's (by factors of 1.2-1.9) with PFM loss rate (g d(-1)) were observed for some PFCs. Results indicate PFMs can be used to correct PFC specific Rs's for more reliable estimates of environmental concentrations with a precision of about 0.01 L d(-1). Empirical models presented provide an improved means for aquatic monitoring of PFCs. The PRC approach was unsuccessful, confirming concern as to its applicability with such samplers.
| Item ID: | 35565 |
|---|---|
| Item Type: | Article (Research - C1) |
| ISSN: | 1873-6424 |
| Keywords: | perfluorinated chemicals, passive sampling, polar organic chemical integrative sampler, passive flow monitor, sampling rate, flow rate |
| Funders: | Australian Research Council (ARC), SEQWater, NMI, DW WA, EPA Victoria, EPA South Australia, Office of Environment and Heritage NSW, Brisbane City Council, Great Barrier Reef Marine Park Authority (GBRMPA), Department of Environment and Resource Management (DERM), Queensland Health Forensic and Scientific Services (QHFSS), Griffith University, University of Queensland (UQ) |
| Projects and Grants: | ARC LPO883675 |
| Date Deposited: | 01 Oct 2014 15:49 |
| FoR Codes: | 05 ENVIRONMENTAL SCIENCES > 0502 Environmental Science and Management > 050206 Environmental Monitoring @ 100% |
| SEO Codes: | 96 ENVIRONMENT > 9605 Ecosystem Assessment and Management > 960506 Ecosystem Assessment and Management of Fresh, Ground and Surface Water Environments @ 50% 96 ENVIRONMENT > 9611 Physical and Chemical Conditions of Water > 961103 Physical and Chemical Conditions of Water in Fresh, Ground and Surface Water Environments (excl. Urban and @ 50% |
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