The legalization of adult use cannabis in several states has resulted in the need for testing of plant material, extracts and manufactured products for pesticide residues.  Many laboratories were created to meet this demand but many of them had no or very little experience with analytical chemistry or pesticide testing.  This created a difficult problem for instrument manufacturers because cannabis is an extremely challenging matrix and the target analyte list is long and contains many difficult compounds.  To address this need, SCIEX developed these pesticide testing methods for the marketplace.  At the time of purchase, the method, standard operating procedure and on-site training is provided to the customer.  It was expected that, because the methods were fully verified with thousands of injections, the transfer to the customer would be quick and easy.  In many cases this is exactly what happened but in other cases, it took longer to get the laboratory running samples.  This was due to a variety of factors included staff experience, laboratory conditions and a changing list of analytes.  This presentation will describe the process of creating a method, the process of validating the method and then the process of transfer to the customer.  Case studies will be presented to demonstrate some of the challenges with method transfer.  The problems that were encountered and possible best practices to consider for method transfer will be discussed.  <br/>

Transferring a verified method for the analysis of pesticides in cannabis to contract laboratories: Lessons learned

2019 Fall National Meeting

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