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Environ Toxicol Chem. 2014 Jan;33(1):177-81. doi: 10.1002/etc.2410. Epub 2013 Nov 15.

Passive sampling coupled to ultraviolet irradiation: a useful analytical approach for studying oxygenated polycyclic aromatic hydrocarbon formation in bioavailable mixtures.

Author information

1
Department of Environmental and Molecular Toxicology, Oregon State University, Corvallis, Oregon, USA.

Abstract

The authors investigated coupling passive sampling technologies with ultraviolet irradiation experiments to study polycyclic aromatic hydrocarbon (PAH) and oxygenated PAH transformation processes in real-world bioavailable mixtures. Passive sampling device (PSD) extracts were obtained from coastal waters impacted by the Deepwater Horizon oil spill and Superfund sites in Portland, Oregon, USA. Oxygenated PAHs were found in the contaminated waters with our PSDs. All mixtures were subsequently exposed to a mild dose of ultraviolet B (UVB). A reduction in PAH levels and simultaneous formation of several oxygenated PAHs were measured. Site-specific differences were observed with UVB-exposed PSD mixtures.

KEYWORDS:

Emerging contaminants; Oxy-PAH; Passive sampling; Photo-oxidation; Ultraviolet

PMID:
24123227
PMCID:
PMC3963818
DOI:
10.1002/etc.2410
[Indexed for MEDLINE]
Free PMC Article

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