RefWork:Known licensed cannabis testing laboratories in North America

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This reference work covers known cannabis testing laboratories—using various government and media resources—in North America.


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The following are licensed cannabis testing labs, as reported by Health Canada[1]:


British Columbia


New Brunswick

  • RPC (Pricing not public)

Nova Scotia


Prince Edward Island



United States

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The prevalence of testing laboratories in any given state depends on a few factors: legalization status, state laws regarding testing, and strictness of regulations. Labs typically appear as stand-alone, third-party entities. Though not common, some testing laboratories are located within dispensaries (e.g., Champlain Valley Dispensary in Vermont[2]) and treatment centers (e.g., Sanctuary ATC in New Hampshire.[3]).

The following are known active cannabis testing labs (those currently in the licensing process are not included):








District of Columbia:





  • Due to an absence of independent testing labs, the Louisiana Department of Agriculture is testing, as of October 2018[6] The Department of Agriculture is jointly working with the LSU AgCenter's Agricultural Chemistry Department to test for the state's fledgling medical marijuana program.[7]






  • Not clear; independent labs must be approved by Commissioner of Health.[8] Two labs—Aspen Research and Legend Technical Services—were approved to do testing in 2015, but neither lists those services on their website.[9]


  • Medical marijuana passed in November 2018; Missouri Department of Health and Senior Services needs to develop testing rules[10]



New Hampshire:

  • The state mandates testing, but it's not clear which independent laboratories are approved to do so. Alternative treatment centers may be responsible for own testing.

New Jersey:

New Mexico:

  • Scepter Lab (No website)
  • Scientific Base Solutions (No website)
  • Steep Hill New Mexico (Pricing not public)

New York:

  • "The Department's Wadsworth Center Laboratory will perform initial testing and analysis of final medical marijuana products until independent laboratories receive certification from the New York State Environmental Laboratory Approval Program (ELAP)."[12]

North Carolina:

  • Avazyme (Industrial hemp testing; pricing not public)

North Dakota:





Rhode Island:

  • Rhode Island Department of Health began taking applications for testing labs in September 2018.[17]
  • East Coast Labs (Pricing not public)


  • Medical marijuana passed in November 2018; the state is still working on laboratory testing terms[18]


  • The Department of Public Safety "may require laboratory testing of cannabis produced by a registered dispensary. The Department may specify the testing methodology. The registered dispensary shall bear the costs of any testing required by the Department."[19]
  • Champlain Valley Dispenary (News article indicates may be accepting testing from non-patients; $75-$125/sample for potency[20])
  • Nutraceutical Science Laboratories (Pricing not public)


West Virginia:

  • Still working on developing its medical cannabis program.[21] Draft legislation says the Bureau for Public Health will be responsible for approving testing laboratories.[22]



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Recreational cannabis will potentially be legalized in Mexico in 2019.[23][24]



  1. Health Canada (17 August 2018). "Laboratories licensed to conduct activities with cannabis". Government of Canada. Retrieved 16 March 2019. 
  2. "Our Quality Commitment". Champlain Valley Dispensary, Inc. Retrieved 24 February 2017. 
  3. "New Hampshire Therapeutic Cannabis Laboratory Analysis — Therapeutic Uses". Sanctuary ATC. Retrieved 24 February 2017. 
  4. Flood, C. (15 November 2016). "State contracts medical marijuana tester". Cape Gazette. Retrieved 02 March 2017. 
  5. Cape Gazette (17 April 2019). "Statewide testing keeps medical marijuana safe for users". Retrieved 07 May 2019. 
  6. Karlin, S. (23 October 2018). "Louisiana medical marijuana delayed after state forced to do product testing, company says". The Advocate. Retrieved 27 November 2018. 
  7. Boone, T. (17 April 2019). "Louisiana ag commissioner hopes to get medical marijuana products on approved pharmacy shelves in May". The Advocate. Retrieved 07 May 2019. 
  8. Klarqvist, E. (August 2016). "Minnesota’s Medical Cannabis Therapeutic Research Act" (PDF). Minnesota House of Representatives. Retrieved 02 March 2017. 
  9. "Public Health Laboratory Annual Report: Fiscal Year 2015" (PDF). Minnesota Department of Health Public Health Laboratory. 2016. Retrieved 14 March 2017. 
  10. Marso, A. (16 November 2018). "Medical marijuana in Missouri: When—and if—you can get it". The Kansas City Star. Retrieved 27 November 2018. 
  11. "Medicinal Marijuana Program Rules" (PDF). New Jersey Department of Health and Senior Services. 23 November 2011. Retrieved 02 March 2017. 
  12. "Frequently Asked Questions". New York State Medical Marijuana Program. New York State Department of Health. March 2016. Retrieved 24 February 2017. 
  13. "Initiated Constitutional Amendment No. 5" (PDF). North Dakota Secretary of State. 2016. Retrieved 02 March 2017. 
  14. "North Dakota chooses medical marijuana laboratory company". The Associated Press. 21 May 2018. Retrieved 27 November 2018. 
  15. 15.0 15.1 15.2 Provance, J. (21 September 2018). "Toledo lab licensed for medical marijuana testing". The Blade. Retrieved 27 November 2018. 
  16. Dishman, D. (11 March 2019). "Unity Bill for medical marijuana regulations expected to clear Senate this week". Retrieved 12 March 2019. 
  17. Bentley, J. (17 September 2018). "RI Department of Health Seeking Medical Marijuana Testing Labs". Patch - Newport. Retrieved 29 November 2018. 
  18. Utah State Legislature (14 November 2018). "Utah Medical Cannabis Act Overview" (PDF). State of Utah. Retrieved 29 November 2018. 
  19. "Rules Regulating Cannabis for Symptom Relief" (PDF). Vermont Department of Public Safety. 30 November 2015. Retrieved 02 March 2017. 
  20. Baird, J.B. (12 June 2018). "Test the potency of your VT homegrown marijuana". Burlington Free Press. Retrieved 27 November 2018. 
  21. "Office of Medical Cannabis". Bureau for Public Health. State of West Virginia. Retrieved 29 November 2018. 
  22. Bureau for Public Health (14 December 2017). "Title 64, Legislative Rule, Bureau for Public Health, Series 111, Medical Cannabis Program - Laboratories" (PDF). State of West Virginia. Retrieved 29 November 2018. 
  23. Hasse, J. (12 February 2019). "This Former President Thinks Mexico Could Soon Be Exporting Cannabis To The U.S., Legally". Forbes. Retrieved 16 March 2019. 
  24. Jaeger, K. (08 February 2019). "Mexican Senate Report Lays Out Marijuana Legalization Considerations". Marijuana Moment. Retrieved 16 March 2019.