Dietary intake of brominated diphenyl ether congeners by the Dutch population

The long-term intake of the sum of ten brominated diphenyl ethers (PBDEs, flame retarding substances) via food by the Dutch population is estimated at 1.7 ng per kg bodyweight per day (median value). The consumption of oil and fats and of milk, fish and meat have the highest contirubutions to the total intake. The intake is comparable to the values calculated for Canada, Sweden and Finland, and lower than those for Spain and the United Kingdom. The intake calculations were performed using recent analyses in food products obtained in The Netherlands in 2003/2004 and the consumption data of the Third Dutch National Food Consumption Survey (1997/1998). In the calculation the samples in which PBDEs could not be detected (so-called non-detects) were assigned the value of the limit of detection (LOD) divided by two. If a value of zero is assigned instead, the intake estimation shifts to 1.0 ng/kg bw/day. The values of the 97.5th percentile (the intake of 97.5 % of the population is below this value) are 3.3 and 2.2 ng/kg bw/d (non-detects assigned =WLOD and zero, respectively). The highest concentrations of the sum of the PBDEs were measured in fish (especially herring). BDE 47 is the PBDE with the highest incidence.

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