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In Random Mold Tests at 25 Denver Dispensaries, 80 Percent Fail

July 12, 2023 at 2:30 pm, No comments

Back in 2019, Colorado state regulators inspected products from 25 dispensaries in Denver. There were unanticipated microbiological contamination failures of packaged product taken right from the shelves of these dispensaries: 20 of the 25 dispensaries had failed products. 

These products were not contaminated at the time of delivery from the supplier, as evidenced by METRC documentation. The origin of this contamination is likely because of conditions within the sealed packages that were favorable to microbial growth. 

When you consider the large-scale environmental conditions in which the cannabis is grown, harvested, dried, cured, and stored and compare it to the internal microenvironment of the packaging, it makes sense that similar environmental conditions would affect the packaged products in the same way. Just as we have seen that controlled environment agriculture (CEA) is necessary for successful indoor cultivation, we find that a form of CEA is necessary for the microenvironment inside the packaging of the harvested cannabis.

When evaluating microbiological contamination risks, you must consider both the large-scale and the microenvironments of the products across the entire supply chain from grower to consumer. 

Links to Articles:

https://www.westword.com/marijuana/in-random-mold-tests-80-percent-of-denver-marijuanadispensaries-fail-11467203 

https://www.cannabisbusinesstimes.com/news/denver-dispensaries-testing-failures-yeast-mold-retail

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