Abstract:
:Analysis of 35 parental and alkylated homologues of PAHs (Polycyclic Aromatic Hydrocarbons) was carried out in eleven marine sediment samples collected along a central transect in the biggest Galician ría. The samples were collected using a box-core dredge and, after freeze-drying, were kept frozen until analysis. The sediments were extracted by PLE (Pressurized Liquid Extraction) procedure and the quantification of PAHs was performed using gas chromatography coupled to mass spectrometry (GC-MS) with the aid of deuterated PAH internal standards. The total concentration of studied PAHs (Σ35PAHs) ranged from 44.8 to 7901ngg(-1) dry weight (d.w.). The highest PAH concentrations were found in sediments collected near the harbour (7901ngg(-1)) and the cleanest positions were located in the outer zone of the ría. To date, these results are the first data presented in the area so they could be used for regular monitoring and control of future pollution episodes.
journal_name
Mar Pollut Bulljournal_title
Marine pollution bulletinauthors
Pérez-Fernández B,Viñas L,Franco MÁ,Bargiela Jdoi
10.1016/j.marpolbul.2015.04.028subject
Has Abstractpub_date
2015-06-15 00:00:00pages
155-65issue
1eissn
0025-326Xissn
1879-3363pii
S0025-326X(15)00230-1journal_volume
95pub_type
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