European Union Proficiency Tests for pesticide residues in cereals and feedstuff, from 2007 to 2022- Data collection experience

Elena Hakme*, Susan Strange Herrmann, Mette Erecius Poulsen

*Corresponding author for this work

Research output: Contribution to journalJournal articleResearchpeer-review

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Abstract

The European Union Reference Laboratory for pesticide residues in cereals and feeding stuff (EURL-CF) has, for 16 consecutive years since 2007, organized European Union Proficiency Tests (EUPTs) for analysis of multiple pesticide residues in various cereals and feedstuff commodities. The EUPTs are directed to National Reference Laboratories (NRLs), and official laboratories (OfLs) in European member (EU) states and in European Free Trade Association (EFTA) countries. The aim of the EUPTs is to gain information regarding the quality, accuracy and comparability of pesticide residue data in cereals and feedstuff reported by different EU and EFTA laboratories, to help evaluate and improve their performance. This article summarizes 16 years’ experience in processing and analyzing results for EUPTs for pesticide residues in cereals and feedstuff. It provides an overview of the performance and development of as many as 160 laboratories throughout the years. Results are highlighted in terms of the number of participants, analytical scope, z scores, false positive and false negative reported results, and classification of laboratories. The performance of laboratories in the EUPTs has improved over time. A notable increase was observed in NRLs and OfLs classified as category A, indicating satisfactory overall performance and scope coverage for the majority of participating laboratories.
Original languageEnglish
Article number109867
JournalFood Control
Volume152
Number of pages11
ISSN0956-7135
DOIs
Publication statusPublished - 2023

Bibliographical note

This work was funded by the European Union Reference Laboratory for pesticide residues in cereals and feedingstuffs (EURL-CF).

Keywords

  • Pesticide residues
  • European laboratory
  • Z score
  • False positive
  • False negative

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