NDLI: An assessment of persistent organic pollutants (POPs) in wild and rope grown blue mussels (Mytilius edulis) from Scottish coastal waters

Content Provider	World Health Organization (WHO)-Global Index Medicus
Author	Webster, L. Russell, M. Walsham, P. Phillips, L. A. Packer, G. Hussy, I. Scurfield, J. A. Dalgarno, E. J. Moffat, C. F.
Spatial Coverage	Scotland
Description	Country affiliation: United kingdom Author Affiliation: Webster L ( FRS Marine Laboratory, PO Box 101, 375 Victoria Road, Aberdeen, UK.)
Abstract	Farmed, rope grown mussels (Loch Etive and Loch Ewe, both on the west coast of Scotland) and wild mussels (Straad on the west coast and Shell Bay and Aberdeen Breakwater, both on the east coast of Scotland) were collected on a monthly basis and analysed for persistent organic pollutants (POPs) with the aim of assessing the status of Scottish mussels, with respect to concentrations of POPs, and investigating site-specific and seasonal differences. Samples were analysed for polycyclic aromatic hydrocarbons (PAHs), polybrominated diphenyl ethers (PBDEs) and chlorobiphenyls (CBs). Total PAH (2- to 6-ring parent and alkylated) concentrations in mussels from three pristine sites (ref. 1: ICES Marine Chemistry Working Group Report 2008, http://www.ices.dk/reports/MHC/2007/MCWG07.pdf) (Loch Etive, Loch Ewe and Straad) were significantly lower than in mussels from sites with greater coastal influences (Aberdeen Breakwater and Shell Bay). Seasonal trends in the PAH concentrations were evident at the pristine sites, with concentrations being significantly higher for samples collected between November and March compared to those collected between April and October. The PAH data was assessed using a recently proposed traffic light system, based on the assessment criteria adopted by OSPAR for use in the 2008 Coordinated Environmental Monitoring Programme (CEMP) assessment. Concentrations were compared to Background Assessment Concentrations (BAC; blue/green transition) and Environmental Assessment Concentrations (EACs; green/red transition). All sites were classed as ‘green’ for the PAHs analysed, being below EACs, where available. The pristine sites were also below BACs for some PAHs and therefore would be classed as ‘blue’ for these PAHs. CBs and PBDEs were measured in mussels collected between 2006 and 2008 inclusive. Concentrations for CB and PBDEs were significantly higher in the Aberdeen Breakwater mussels than for all other sites. Concentrations at all sites were low with many congeners being below the detection limits for both contaminant groups. No seasonal trends were observed in the CBs or PBDE concentrations or composition at any of the five sites. The green-red transition (described by the $EAC^{passive})$ was exceeded for CB118 in mussels from Aberdeen Breakwater and surprisingly at the pristine site of Loch Etive. As such both sites were classed as ‘red’. All other ICES7 CBs were below EACs and therefore classed as ‘blue’ or ‘green’.
File Format	HTM / HTML
ISSN	14640325
Issue Number	6
Volume Number	11
e-ISSN	14640333
Journal	Journal of Environmental Monitoring
Language	English
Publisher	Royal Society of Chemistry
Publisher Date	2009-06-01
Publisher Place	Great Britain (UK)
Access Restriction	Subscribed
Subject Keyword	Discipline Environmental Health Environmental Monitoring Methods Mytilus Edulis Chemistry Water Pollutants, Chemical Analysis Water Pollution, Chemical Animals Animals, Wild Aquaculture Metabolism Oceans And Seas Organic Chemicals Polychlorinated Biphenyls Polycyclic Hydrocarbons, Aromatic Scotland Seasons Time Factors Journal Article
Content Type	Text
Resource Type	Article
Subject	Public Health, Environmental and Occupational Health Management, Monitoring, Policy and Law

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