NDLI: Measurement of organic contaminants and biological effects in Scottish waters between 1999 and 2005

Content Provider	Royal Society of Chemistry (RSC)
Author	Phillips, Lesley Russell, Marie McIntosh, Alistair Dalgarno, Eric Moffat, Colin Walsham, Pam Webster, Lynda McKenzie, Margaret Packer, Gill
Copyright Year	2007
Abstract	Concentrations of organic contaminants were determined in sediment and fish collected annually at six sites around Scotland between 1999 and 2005, as part of the UK National Marine Monitoring Programme. Polycyclic aromatic hydrocarbons (PAHs) and chlorobiphenyls (CBs) were measured in sediment, while CBs and ethoxyresorufin-O-deethylase (EROD) activities were measured in the fish. Highest PAH concentrations in sediment were found at sites where higher coastal influences would be expected (e.g., Clyde and Solway) and four of the six sites gave PAH concentrations above OSPAR background assessment concentrations (BACs). A significant downward trend in the median total PAH concentrations, normalised to total organic carbon (TOC), was found at one of the six sites (Minches). The PAH profiles at all sites were consistent over the 6 year period, indicating that the sites are relatively stable and PAH sources are not changing. There was an indication of a greater petrogenic input on the west coast, with sediment from the Clyde, Solway and Minches having a greater proportion of 2- and 3-ring PAHs and a lower proportion of 5-ring PAHs. CB concentrations at all sites were low compared with UK estuarine sites and similar to sediment from more remote areas: however, BACs were exceeded. No significant trends were detected in either the sediment CB concentrations or patterns at any of the six sites. CB concentrations were significantly higher in fish liver collected from the Clyde. Concentrations at the other five sites were low, with the majority of samples having concentrations for the ICES7 CBs of <500 μg kg−1 lipid weight. However, individual CB concentrations were still above the BACs. Hepatic EROD activities were measured in male plaice from 2002–2005 and were generally low (<10 pmol min−1 mg protein−1). No temporal trends were detected in either CB concentrations or the EROD activity.
Starting Page	616
Ending Page	629
Page Count	14
File Format	HTM / HTML PDF
ISSN	14640325
Volume Number	9
Issue Number	6
Journal	Journal of Environmental Monitoring
DOI	10.1039/b700492c
Language	English
Publisher	Royal Society of Chemistry
Access Restriction	Subscribed
Subject Keyword	OSPAR Clyde Solway Scotland UK Sediment Polycyclic aromatic hydrocarbon CBS Firth of Clyde OSPAR Convention Total organic carbon The Minch Estuary Liver Lipid European plaice Protein
Content Type	Text
Resource Type	Article
Subject	Public Health, Environmental and Occupational Health Management, Monitoring, Policy and Law

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