[Chemical and effect-related analysis of dioxins and dioxinlike PCB's].

Dioxins and dioxinlike PCBs are high toxic and persistent compounds. They accumulate in the feed and food chain. Because of their occurrence in a very low concentration range, the established requirements for analytical methods are restrictive. Commission Directive 2002/69/EC of 26 July 2002 lays down sampling methods and methods of analysis for the official control of dioxins and dioxinlike PCBs in foodstuff. Confirmatory methods are high resolution gas chromatography/high resolution mass spectrometry (HRGC/HRMS). Screening methods could be used to select samples with significant levels of dioxins. Bioassay--for example the EROD-Bioassay--can be used as a screening method.