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Reviewing the relevance of dioxin and PCB sources for food from animal origin and the need for their inventory, control and management
Summary
Researchers reviewed the main sources of dioxins and PCBs (persistent toxic chemicals) contaminating animal-based food in Germany, identifying contaminated soils, PCB-emitting buildings, and farm-level PCB presence as the top three pathways. The study recommends targeted emission controls and better monitoring to close regulatory gaps and protect food safety.
The major sources of PCDD/F and dl-PCB contamination of food of animal origin in Germany are (1) soils contaminated from past PCB and PCDD/F releases; (2) PCBs emitted from buildings and constructions; (3) PCBs present at farms. Impacted areas need to be assessed with respect to potential contamination of food-producing animals. Livestock management techniques can reduce exposure to PCDD/Fs and PCBs. Further research and regulatory action are needed to overcome gaps. Control and reduction measures are recommended for emission sources and new listed and emerging POPs to ensure food safety.
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