In the 1970s, man-made polychlorinated biphenyls (PCBs) were banned as ubiquitous and poorly degradable compounds in open applications. Today, it is a new class of compounds, the per- and polyfluorinated alkylated substances (abbr.: PFAS), which are known to be globally widespread, persistent and bioaccumulative.

In order to monitor Good Agricultural Practice (GAP), Maximum Residue Levels (MRL) for pesticide residues in foodstuffs are set in Regulation (EU) No 396/2005 for the most part for unprocessed products ("raw material"). The latter are often subjected to subsequent processing. This can be simple processes (e.g. drying) or intermediate steps (e.g. flour, oil production), which may be followed by further complex processing steps up to the final product, the processed product. If these end products are analysed for residues, Article 20 of Regulation (EC) No 396/2005 applies:

Seit der Erweiterung der Rückstandsdefinition des Herbizides Metazachlor um dessen Metaboliten 479M04, 479M08 und 479M16 im Jahre 2015, kommt es vermehrt zu Nachweisen der Metaboliten in Proben von Blattgemüse (Rucola, Feldsalat, Baby Leaf Salate), bei denen keine Zulassung von Metazachlor-haltigen Pflanzenschutzmitteln besteht.

In dieser Kundeninformation, welche Sie unten downloaden können, erfahren Sie:

• wie Metazachlor-Metaboliten in Obst- und Gemüseerzeugnisse gelangen
• rechtliche Aspekte
• Konsequenzen und Empfehlungen