Hemp Proficiency Program Overview



Application for New Labs
Labs outside the United States are welcome to participate, please contact us for specifics.

  • Prerequisite for Hemp testing accreditation
  • Method standardization for the industry
  • Evaluating interlaboratory variability

Samples


Hemp Scheme

  • Our Division analyzes hemp grown in Kentucky on behalf of the Kentucky Department of Agricultural. Excess material from this testing is homogenized to create the proficiency testing samples.
  • Samples have varying levels of THC and CBD with THC concentrations less than 0.3% to ensure they meet the legal definition of industrial hemp.
  • Participating laboratories receive shipments in September and November.
  • Each shipment contains two samples of dried and ground hemp.

Oil Scheme

  • Various oil products are manufactured from hemp seed or plants intended for human or animal consumption to improve health and well-being. The products have label claims for various compounds like CBD.
  • Two samples will be prepared from commercially available products with THC concentrations less than 0.3% to ensure they meet the legal requirement.
  • Participating laboratories receive shipments in September and November.
  • Each shipment contains one sample of an oil product from hemp.

Analytes Tested


Results are submitted in triplicate on the analytes and methods used in each laboratory.

  • Cannabinoids
  • Metals
  • Terpenes
  • Moisture

See reports for more detailed information.

  • Necessary for method validation
  • Invaluable for laboratory quality assurance
  • Quality Reference Material

Reports Generated


Statistical reports are generated based on "Statistical methods for use in proficiency testing by interlaboratory comparison" (ISO 13528:2015).

  • Participating laboratories are identified by an assigned number to maintain lab anonymity.
  • Individual lab performance reports with Z Scores are distributed individually.
  • Summary reports of all results can be found here.

Fee


$600 for the 2021 Hemp Scheme

$300 for the 2021 Oil Scheme

How to Participate


Labs new to the program submit this application.

Applications are accepted for the full year. Partial payments are not accepted. If you join a Sample Scheme after a round has been reported, all past samples will be shipped to you after payment is received. Your lab will not receive reports for completed rounds.

Participating labs are sent an invoice in July.

The first shipment occurs in September.

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