Testing Services



The Agrochemical Sciences Department at Microbac Laboratories offers research and testing services related to pesticide and antiobiotic residues for the agrochemical, agricultural, and food industries. The wide array of services offered is designed to meet the needs of each of these industries. Agrochemical testing services include:

  • Multi-residue analyses for comprehensive coverage of chemical classes
  • Trace level residue testing in vegetation and foods
  • Development of matrix-specific analytical methods
  • Tobacco Analysis
    1. USDA “List”
      The USDA no longer maintains an active pesticide screening requirement. Microbac performs the list as contained in an USDA memoranda and in direct correspondence. Customization of the list to meet customer requirements is available.
      The Cooperation Centre for Scientific Research Relative to Tobacco (CORESTA) maintains Agrochemical Guidance Residues Levels Agrochemical Guidance Residue Levels (GRLs, CORESTA Guide N° 1) and conducts regular proficiency studies across independent and manufacturers’ laboratories. Microbac participates in each of the studies and offers the complete list of pesticide residues per the CORESTA Guide.


Microbac’s Wilson Division is an FDA registered facility operating under an ISO 17025:2005 accredited (A2LA) scope of work specific to pesticide residue analysis.


  • Gas chromatography
  • HPLC
  • Ion chromatography
  • LC/MS/MS

To learn more...

The American Association for Laboratory Accreditation


 Food & Drug Administration's Tobacco Control Act