This Deep Dive provides an overview of the expense of cannabis testing compliance for cannabis companies in California via a 2020 peer-reviewed research study. This article is a living document that is updated regularly based on the release of new research on this topic.
An April 2020 research study entitled "Costs of Cannabis Testing Compliance: Assessing Mandatory Testing in the California Cannabis Market" that was published in the journal PLOS ONE investigated the costs incurred by a cannabis cultivation or processing or manufacturing company to comply with mandatory cannabis testing laws.
The research leveraged primary data from California, "the country’s largest and oldest legal cannabis market," which it compared to that of other states in which medical or adult-use cannabis laws have been passed.