MAR 29, 2018 12:00 PM PDT

A Comprehensive Strategy for Residue Analysis in Cannabis and Industrial Hemp

Sponsored by: Agilent
Speaker
  • Laboratory Manager, Pacific Agricultural Laboratory
    Biography
      Rick Jordan is the Laboratory Manager for Pacific Agricultural Laboratory (PAL), in Sherwood, OR.

      After receiving his B.Sc in Physics from Washington State University in 1989 he spent 11 years as an environmental chemist specializing in organic compounds using both gas and liquid chromatography.

      Since joining PAL in 2001, Rick has focused on pesticide residue analysis and method development. PAL is an ISO 17025:2005 accredited laboratory with a broad range of sample types raging from fruits and vegetables to dried hops and herbal extracts. Rick has been an active participant in the North American Chemical Residue Workshop as an attendee and presenter since 2009. He has co-authored numerous publications, application notes, and posters related to the analysis of pesticide residues. He is involved in method development for both target residue analysis and large comprehensive screening methods.

    Abstract

    Pesticide residue screening is a pre-sale requirement for all states which have legalized the recreational or adult use of cannabis and cannabis related products.  In the absence of guidance at the federal level, individual states are establishing testing requirements for residues to be monitored as well as setting “action” levels.   Consensus testing methods are not currently available, which leaves laboratories free to develop extraction and analysis methods that may only meet the requirements of a single state.  

    With no product labels or Maximum Residue Levels (MRL’s) in place, a comprehensive approach to pesticide residue testing gives a more complete picture of industry pesticide practices using the model currently used for conventional agricultural commodities.  

    In this webinar presentation you will learn how Pacific Agricultural Laboratory has developed and validated a workflow for residue analysis in cannabis and industrial hemp utilizing both GC-MS/MS and LC-MS/MS with straightforward solid phase extraction (SPE).  The use of two MS/MS platforms allows the laboratory to optimize both chromatography and detector response for over 200 active ingredients prohibited for use.  Data generated using this workflow will show acceptable recoveries for the target compounds, with limits of quantitation of 0.1 mg/kg for approximately 90% of the target list.

    Learning Objectives:

    • How to optimize your analysis for over 200 active ingredients that are prohibited for use on cannabis and industrial hemp
    • Understanding pesticide residue screening workflows using both GC/MS/MS and LC/MS/MS

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