Crop protection analysis - analysing pesticides in food

In order to find residues of pesticides, as from crop protection, in our food, WESSLING carries out regular tests and inspections for Germany's largest food manufacturers, suppliers of raw materials and traders.

Pesticide analysis in food

The analysis and evaluation of pesticides in food places high demands on expertise and technology. With our extremely efficient laboratory equipment and highly qualified employees, we achieve the highest quality in analysis. Our experienced experts advise food producers, raw material suppliers and retailers on all questions of the analysis spectrum and professional sampling. They evaluate the results and check the conformity of raw materials and products with legal requirements and trade standards in accordance with the EU Pesticide Maximum Quantity Regulation 396/2005 and the Maximum Residue Quantity Ordinance.

Crop protection analysis for food manufacturers and suppliers of raw materials

organic apples in a tree

The basis of our food testing is a continuously updated list of relevant pesticides: our pesticide screening comprises about 600 important active ingredients and metabolites. Multi-methods are supplemented by numerous individual methods for active ingredients, so that our experts also cover challenging matrices and adapt to the individual needs of food production and trade.

We would be pleased to send you the current list of active substances analysed by us. Please contact us.




Our service range includes:

  • GC and LC screening for more than 550 active ingredients according to the established ASU procedures (L 00.00-34 (S19), L 00.00-113, L00.00-115 (QuEChERS))
  • Chlorate/perchlorate
  • Chlormequat/Mepiquat
  • Inorganic total bromide
  • Ethephon
  • Dithiocarbamates, thiuram sulfides
  • Dodin
  • Dithianone
  • Glyphosate/AMPA/Glufosinate
  • Fosetyl aluminum
  • Phenoxyalkanoic acidsn
  • PCB (polychlorinated biphenyls)
  • Quaternary ammonium compounds BAC/DDAC
  • Toxaphene
  • Pesticides according to Ph. Eur. (analysis for pesticides according to European Pharmacopoeia)


Our accreditations* and authorisations

  • Authorised laboratory for residue monitoring in fruit and vegetables and for feed monitoring at the QS Qualität und Sicherheit GmbH
  • Authorised laboratory fruit monitoring (HDE)
  • Authorised laboratory 4fresh (soon: Fresh.Point) (Deutscher Fruchthandelsverband – DFHV)
  • Approved for the analysis of official counter samples according to §43 LFGB

Our accreditation* ensures that our results are recognized worldwide.

Testing laboratory accredited by DAkkS according to DIN EN ISO/IEC 17025:2018. The accreditation only applies to the scope of accreditation listed in the certificate attachment [D-PL-14162-01-00].

Your contact for the analysis of pesticides

Johanna Paetz
„Through the use of mass spectrometric detection methods, we offer additional safety in pesticide analysis. We grant the verification of all maximum contents and guideline values, also for organically produced goods.“

News from our range of services

All news

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Since 1 March 2021, certification in accordance with version 7 of IFS Food has already been optional. From 1 July 2021, these will then be mandatory for all IFS Food certified companies.

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IFUA is now part of WESSLING

Managing directors of WESSLING GmbH and IFUA Projekt GmbH

WESSLING is expanding with the Bielefeld-based appraisal and expert office IFUA Projekt GmbH.

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