Assessment of seafood contamination under the marine strategy framework directive: contributions of the German environmental specimen bank

Fliedner, Annette; Rüdel, Heinz; Knopf, B; Lohmann, Nina; Paulus, Martin P.; Jud, Michael; Pirntke, Ulrike; Koschorreck, Jan

doi:10.1007/s11356-018-2728-1

Cited by 16 publications

(11 citation statements)

References 32 publications

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“…The primary focus of the recently published occurrence data was on fish and marine sea food. As already indicated in the previous Opinion, α‐HBCDD prevailed in most studies and the median levels, especially in fish caught for consumption was generally below 1 μg/kg ww (Munschy et al., 2013, 2015; Kuc et al., 2014; Aznar‐Alemany et al., 2017; Fliedner et al., 2018; Malysheva et al., 2018; Nøstbakken et al., 2018; Vénisseau et al., 2018). However, a number of samples were detected where γ‐HBCDD was the dominating stereoisomer.…”

Section: Assessmentmentioning

confidence: 75%

“…The authors suggested that this finding related to new sources of emissions of BFRs. The same authors analysed georeferenced samples of eelpout ( Zoarces viviparus ) fillet from the German environmental specimen bank for HBCDDs (Fliedner et al., 2018). Two sampling sites were located at German coastal areas of the Central North Sea and one site in the Bodden National Park of Western Pomerania.…”

Section: Introductionmentioning

confidence: 99%

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Update of the risk assessment of hexabromocyclododecanes (HBCDDs) in food

Schrenk

Bignami

Bodin³

et al. 2021

EFS2

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The European Commission asked EFSA to update its 2011 risk assessment on hexabromocyclododecanes ( HBCDD s) in food. HBCDD s, predominantly mixtures of the stereoisomers α‐, β‐ and γ‐ HBCDD , were widely used additive flame retardants. Concern has been raised because of the occurrence of HBCDD s in the environment, food and in humans. Main targets for toxicity are neurodevelopment, the liver, thyroid hormone homeostasis and the reproductive and immune systems. The CONTAM Panel concluded that the neurodevelopmental effects on behaviour in mice can be considered the critical effects. Based on effects on spontaneous behaviour in mice, the Panel identified a lowest observed adverse effect level ( LOAEL ) of 0.9 mg/kg body weight (bw) as the Reference Point, corresponding to a body burden of 0.75 mg/kg bw. The chronic intake that would lead to the same body burden in humans was calculated to be 2.35 μg/kg bw per day. The derivation of a health‐based guidance value ( HBGV ) was not considered appropriate. Instead, the margin of exposure ( MOE ) approach was applied to assess possible health concerns. Over 6,000 analytical results for HBCDD s in food were used to estimate the exposure across dietary surveys and age groups of the European population. The most important contributors to the chronic dietary LB exposure to HBCDD s were fish meat, eggs, livestock meat and poultry. The CONTAM Panel concluded that the resulting MOE values support the conclusion that current dietary exposure to HBCDD s across European countries does not raise a health concern. An exception is breastfed infants with high milk consumption, for which the lowest MOE values may raise a health concern.

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Section: Assessmentmentioning

confidence: 75%

Section: Introductionmentioning

confidence: 99%

Update of the risk assessment of hexabromocyclododecanes (HBCDDs) in food

Schrenk

Bignami

Bodin³

et al. 2021

EFS2

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“…Monitoring program, such as the German ESB, which have analyzed and archived annual pool samples (each consisting of several monthly samples) over a longer period of time, are not recommended to reduce the annual sampling frequency as this may disrupt the already existing long time series. Moreover, it is currently discussed that marine samples of the ESB may be used also in the context of Descriptor 9 of the Marine Strategy Framework Directive [57,58]. This would require the best possible knowledge of mussel contamination for compliance assessment.…”

Section: Discussionmentioning

confidence: 99%

Seasonal variability in metal and metalloid burdens of mussels: using data from the German Environmental Specimen Bank to evaluate implications for long-term mussel monitoring programs

et al. 2020

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Background: Metal and metalloid concentrations in mussels can vary between seasons. In biota monitoring, the sampling time is therefore an important issue. Within the German Environmental Specimen Bank (ESB) program blue mussels (Mytilus edulis Complex) are sampled regularly since the 1980s. The samples are collected in two-monthly intervals at two North Sea sites and in 6-month intervals at one Baltic Sea site. All samples from one site and year are combined to annual composite samples and archived as sub-samples under cryogenic conditions. In order to investigate a possible reduction of the number of annual sampling intervals while maintaining comparability with the long-term composite sample data, the seasonal variability of metals/metalloids was analyzed based on the half-yearly and bimonthly samples of 2013, 2015 and 2017.Results: In mussels from the North Sea site Eckwarderhoerne seasonality of metals/metalloids was comparable in all 3 years (arsenic being the only exception). At the North Sea site Koenigshafen seasonality of cobalt, nickel, cadmium, copper, lead, and arsenic was comparable in 2013 and 2015 but not in 2017, while selenium showed the same seasonality in all 3 years. Within 1 year, concentrations of metals and metalloids can vary by the same order of magnitude as observed between annual composite samples of different years making it impossible to select just one representative sampling time point per year that would provide the same information as the respective annual composite sample. Conclusions:The findings highlight the importance of carefully selecting the sampling time point when using mussels in biota monitoring. For the German ESB program it is recommended to continue with the current sampling strategy and analyze annual composite samples in order to maintain comparability with the long-term data series, which are a special feature of the ESB.

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“…The North Sea sites are located in the National Parks and Biosphere Reserves 'Lower Saxony Wadden Sea' (site NS 1) and 'Schleswig-Holstein Wadden Sea' (NS 2), the Baltic Sea sites (site BS) are situated in the 'Bodden National Park of Western Pomerania' . More details including possible sources of contaminations at these sites are given in [38,39].…”

Section: Sampling Sitesmentioning

confidence: 99%

Chemicals of emerging concern in marine specimens of the German Environmental Specimen Bank

et al. 2020

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Background: Descriptor 8 of the Marine Strategy Framework Directive (MSFD) (Directive 2008/56/EC) addresses the good environmental status with regard to pollution of marine waters by chemical contaminants. Commission decision (EU) 2017/848 lays down the criteria and methodological standards on good environmental status of marine waters. Member States, in regional or subregional cooperation, shall establish lists of relevant contaminants beside those already covered by the Water Framework Directive (WFD). To provide information on emerging contaminants in marine biota, the German Environmental Specimen Bank (ESB) has compiled data of blue mussels and eelpouts from coastal sites in the North and Baltic Seas. Substances identified by the International Council for the Exploration of the Sea (ICES) as of emerging concern for the marine environment have been used as a starting point. Results and conclusions:The study presents data of 19 emerging flame retardants and degradation products, 40 per-and polyfluoroalkyl substances (PFAS) and three cyclic volatile methylsiloxanes (cVMS). Among the emerging flame retardants, only Dec 602 was detected in all samples of 2015. Dec 604, Cl 10 -antiDP, 1,5-DPMA, EH-TBB, PBEB, TBP-AE, BATE, BTBPE and HBBz were constantly < limit of quantification (LOQ). Time trends were barely detected. Legacy PBDE still dominates in most samples. PFAS concentrations were usually higher in samples from the North Sea sites compared to samples from the Baltic Sea. PFOS dominated in most samples. Increasing trends over time were detected for PFNA, PFDA and PFDoDA at the Baltic Sea site and for PFDA at one North Sea site. Concentrations of the cVMS D4, D5 and D6 were below the detection limit at the ESB sampling sites. Based on the results, it should be considered to include the emerging flame retardants DP and Dec 602 and the long-chain perfluoroalkyl substances PFNA, PFDA, PFUnDA and PFDoDA in a regular monitoring in the North and Baltic Seas.

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Assessment of seafood contamination under the marine strategy framework directive: contributions of the German environmental specimen bank

Cited by 16 publications

References 32 publications

Update of the risk assessment of hexabromocyclododecanes (HBCDDs) in food

Update of the risk assessment of hexabromocyclododecanes (HBCDDs) in food

Seasonal variability in metal and metalloid burdens of mussels: using data from the German Environmental Specimen Bank to evaluate implications for long-term mussel monitoring programs

Chemicals of emerging concern in marine specimens of the German Environmental Specimen Bank

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