European Regulation. COMMISSION DIRECTIVE 2006/13/EC (2006). Undesirable Substances in Animal Feeds on Dioxin-Like and PCBs
In the following link you will find a chart with the undesirable substances in animal feed. Categorized by different substances such as Arsenic, Lead, Fluorine, Mercury and more. For each substance you will be able to find products intended for animal feed, the maximum content per ppm, SCAN opinion and problems already identified by the commission.