Pesticides Subgroup

Face-to-Face at AOAC Meeting, Denver, CO

Tuesday, September 10, 2019

11:45 - 1:15 pm

Governor's Square 11



  • 1. Introduction 
  • Sign-up sheet. The chairs will include everyone in the email distribution list to receive future subgroup updates. 

  • 2. Ongoing Collaborative Studies
  • AOAC Collaborative Study: nDATA (non-Target Data Acquisition for Target Analysis) 
  • Workflow for Screening Pesticides in Fruits and Vegetables by Jon Wong, FDA and Jian Wang, CFIA. 


  • 3. Topics of Discussion


  • Pesticides in cannabis 
  • A very active AOAC cannabis working group. Cannabis symposium on Saturday 9/7. Check AOAC website for more information regarding the workgroup progress. 

  • Future collaborative study on glyphosate 
  •      Many methodologies available 
  •     There were 10 attendees at last year’s AOAC meeting expressed interest in participating in the collab. study. Need study director(s)! 

  • Acid herbicides methods
  •      There are currently no AOAC official methods available. The community definitely have a strong interest in having a standardized method. 
  •      Dicamba agriculture crisis during the past three years: method needs to include Dicamba and its two major metabolites due to the short half-life of Dicamba. Eight labs at last year’s meeting had some experience in acid herbicides analysis. 
  •      Method candidates/representative matrix to be studied?  


  • 4. Chinese study update: Multi-Residues Screening Method for 765 Pesticides in Fruits and Vegetables
  • Guo-Fang Pang
  • Chinese Academy Inspection and Quarantine, P.R. China


  • 5. Future Meetings 
  •           NACRW - July 26-29, 2020 Fort Lauderdale, FL
  •           AOAC - September 13-16, 2020, Orlando, FL

Subgroup Chair


Ping  Wan 

Office of the Indiana State Chemist,

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