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The Belgian PCB/dioxin crisis-8 years later An overview
Adrian Covaci1, Stefan Voorspoels, Paul Schepens
1Toxicological Centre, Department of Pharmaceutical Sciences, University of Antwerp, Universiteitsplein 1, 2610 Wilrijk, Belgium; Laboratory of Ecophysiology, Biochemistry and Toxicology, Department of Biology, University of Antwerp, Groenenborgerlaan 171, B-2020 Antwerp, Belgium.
Environmental Toxicology and Pharmacology
|July 26, 2011
Summary
A 1999 Belgian dioxin crisis involved contaminated animal feed, leading to widespread food safety measures. Poultry was most affected, prompting new European regulations and food monitoring programs.
Area of Science:
- Food Safety
- Environmental Toxicology
- Veterinary Medicine
Background:
- Accidental contamination of animal feed with polychlorinated biphenyls (PCBs) and dioxins in Belgium, 1999.
- Led to a major food crisis affecting over 2500 farms, primarily involving poultry.
- Delayed public announcement exacerbated the crisis impact.
Purpose of the Study:
- To investigate the Belgian PCB/dioxin crisis.
- To detail the implemented food monitoring program and regulatory changes.
- To assess the human health risks associated with the contamination.
Main Methods:
- Implementation of a large-scale food monitoring program targeting seven PCB markers.
- Determination of polychlorinated dibenzodioxins and furans (PCDD/Fs) when PCB levels exceeded tolerance limits.
- Extensive laboratory analyses of PCBs and dioxins in food and feed samples.
Main Results:
- Poultry exhibited the highest concentrations of PCBs and dioxins and the greatest percentage of affected animals.
- Over 55,000 PCB and 500 dioxin analyses were conducted by December 1999.
- Led to the establishment of national and European norms for PCBs and PCDD/Fs.
Conclusions:
- The crisis spurred significant regulatory changes, including new norms for PCBs and PCDD/Fs in food and feed.
- A Federal Agency for Food Safety was created in Belgium.
- Human health risk assessments yielded contradictory results, with potential long-term effects debated.
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