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Marijuana Testing Requirements

Please note: The information provided here is only a brief summary of the testing rules. There are additional requirements that you must comply with. Visit OMMP's rules page​ to review the full testing rules.

Overview of testing requirements

For All Medical Registrants and Retail Licensees

As of October 1, 2016, all marijuana items must be sampled and tested according to OAR 333-007-0300 to 333-007-0490 and OAR 333-064-0100 to 333-064-0110.

The Oregon Health Authority (OHA) is responsible for Cannabis testing rules that apply to both the medical and retail market. Any marijuana or marijuana product intended to be sold at a dispensary or retail shop must have been sampled and tested according to the testing rules.​

Any laboratory that tests marijuana items must be accredited by ORELAP and licensed by OLCC. Only accredited and licensed laboratories may sample and test marijuana items.

All marijuana items transferred or sold to a dispensary or retail shop must be accompanied by documentation of passing test results. 

Testing requirements

 ​Product Typ​e

Testing Requirement
If ​intended for sale from a retail shop or dispensary If ​intended for further processing​
​Usable marijuana
  • ​Pesticide
  • Water activity/moisture content
  • THC / CBD
  • Micro (random)
  • Water activity/moisture content (unless processor uses sterilization method)
  • Micro (random)
Extract / concentrate​
  • ​Pesticides
  • Solvents [exempt if meets requirements in 333-007-0330(3)]
  • THC / CBD
  • Micro (random)
  • ​Pesticides
  • Solvents [exempt if meets requirements in 333-007-0330(3)]
  • Micro (random)
Cannabinoid Products Intended for Human Consumption or Ingestion and Cannabinoid Suppositories, Topicals and Transdermal​ Patches
  • THC / CBD
  • Micro (random)

Optional: A control study may be requested to reduce the number of samples that need to be taken for future testing once approval for a control study is received. Please review OAR 333-007-0440 for more information regarding how to perform a control study. Additional information for requesting approval for a control study can be found under Control Study Information​

Failed test guidance

The table and guidance below outline actions that must be taken when a Cannabis sample fails testing.

Failed test results must be reported to the overseeing State Agency by the testing laboratory within 24 hours of completion of the laboratory's data review and approval procedures and be reported at the same time or before reporting to the grower or processor.

Additional information for reporting medical marijuana items that fail testing can be found under Laboratory Reporting Requirements​.

*Notification of product destruction

  • If a batch fails testing, it may not be destroyed without obtaining permission from the overseeing State Agency. 
  • The OMMP may be contacted at:

​A medical marijuana registrant that fails to comply with any of the testing rules will be subject to enforcements action which may include civil penalties or having their registration suspended or revoked.​

Test Failed​ ​Product Type ​Action
Microbiological​ ​ ​ ​Usable marijuana
  • If the processing method can effectively sterilizes the batch, it may either:
  • Be used to make a concentrate or extract; OR
  • The batch must be destroyed.*
  • If batch is made into a ​concentrate​ or extract, it must be tested for microbiological contaminants, solvents and pesticides.
​Concentrate or extract
  • ​Batch may be further processed.
  • After further processing, batch must be retested for microbiological contaminants, solvents and pesticides.
  • If batch fails retesting, the batch must be destroyed.*
​All other products
  • ​Must be destroyed.*
Solvent​​ ​Extract
  • ​Batch may be remediated.
  • A remediated batch must be retested for solvents and pesticides.
  • A batch that fails solvent testing that is not remediated, or if remediated fails testing, must be destroyed.*
​Water activity or moisture  ​Usable marijuana ​Batch may either:
  • Be used to make a concentrate or extract; OR
  • Undergo additional drying or curing and be resampled and retested.
​Pesticides ​All products
  • Must be destroyed.*
​Potency ​All products
  • Product may be repackaged to meet concentration levels outlined in rule. A repackaged item must be resampled and retested
  • If after a failed test a registrant wishes to have a sample reanalyzed, the registrant must request a reanalysis within 7 calendar days from the date the laboratory sent notice of the failed test.  The reanalysis must be completed by the laboratory within 30 days from the date the reanalysis was requested. 
  • If a registrant requested a reanalysis and the sample passes, the registrant has 7 calendar days from the date the laboratory sent notice of the passed test to request that another laboratory resample the batch and confirm the passing test result.  The retesting must be completed by the second laboratory within 30 days from the date the retesting was requested. 

  • If the sample fails the retest, the product must be destroyed.
  • A testing laboratory must be notified by the grower and processor if it will be testing any sample that has failed any pervious testing.
  • If a failed batch is permitted to be sold or transferred, the registrant or licensee must notify the registrant or licensee to whom the batch is sold or transferred of the failed test.
  • A registrant must have a procedure for a sterilization process to remove microbiological contaminants and for reducing the concentration of solvents.
  • A registrant must document all sampling, testing, sterilization, remediation and destruction that are a result of failing a test.​
  • Test results expire after one year.