Agrochemical Residues

CEMAS has more than 30 years of experience of conducting GLP residue studies, with a number of highly-experienced study directors and lab staff.

CEMAS has more than 30 years’ experience of managing agrochemical residue studies to GLP. Many study directors and senior analysts have more than 25 years of experience in the industry and we have a dedicated method development team. The services we currently offer include the following:


Full multi-site residue study management across Europe, including:

  • Decline trials
  • At-harvest trials
  • Crop rotation trials
  • Processing trials
  • OECD 505 residue feeding studies
  • Soil dissipation and accumulation studies
  • Pollinator studies

Analytical support, including:

  • Method validation and ILV
  • Freezer storage stability
  • Analytical phases
  • Extraction efficiency (cold)
  • Method development

Operator exposure, including:

  • Active and passive dosimetry
  • Worker re-entry
  • DFR
  • Bystander studies


Read about the CEMAS Quality Assurance Unit


Read about the equipment used by CEMAS

CEMAS is an independent, privately-owned, contract research organisation that provides support to the agrochemical, pharmaceutical, veterinary medicine and biocide industries.