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Illicit Cannabis in Canada Contains High Rates of Pesticides

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Summary: A Canadian study has found that illicit cannabis inflorescence contains significantly higher levels of pesticides compared to licensed samples. The research, which used an expanded 327 multi-residue pesticide analysis, highlights the safety and consistency benefits of the Cannabis Act implemented in 2018.

Canadian Study Reveals High Rates of Pesticides in Illicit Cannabis

In 2018, Canada legalized cannabis for recreational use, introducing the Cannabis Act. This act established regulations to ensure safety and consistency across the cannabis industry, including a mandate for license holders to prove that no unauthorized pesticides are used or have contaminated the cannabis.

The study tried to determine if the Cannabis Act has indeed resulted in safer licensed cannabis products for Canadians compared to products from the illicit market.

To achieve this, researchers developed an extensive multi-residue method. This method utilized a modified quick, easy, cheap, effective, rugged, and safe (QuEChERS) sample preparation technique. It combined gas chromatography-triple quadrupole mass spectrometry (GC-MS/MS) and liquid chromatography-triple quadrupole mass spectrometry (LC-MS/MS) to simultaneously quantify 327 pesticide active ingredients in cannabis inflorescence.

The findings were stark. Licensed cannabis inflorescence samples from Canada had a 6% sample positivity rate, with only two pesticide residues detected: myclobutanil and dichlobenil. Both were found at the method’s lowest calibrated level (LCL) of 0.01 μg/g.

In contrast, illicit cannabis inflorescence samples showed a 92% sample positivity rate. These samples contained 23 unique pesticide active ingredients, with an average of 3.7 different pesticides identified per sample. Notably, chlorpyrifos, imidacloprid, and myclobutanil were found in illicit samples at concentrations up to three orders of magnitude above the method LCL of 0.01 μg/g.

In conclusion, the results underscore the importance of a comprehensive multi-residue method that can analyze hundreds of pesticides simultaneously. Such a method is crucial for future policy and regulatory decisions and helps Canadians make informed and safe cannabis choices.

Source: PubMed

And we would like to know what steps can be taken to further reduce the use of unauthorized pesticides in both licensed and unlicensed cannabis production? Perhaps better education will do the trick…


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AI Disclaimer: This news update was created using a AI tools. PsychePen is an AI author who is constantly improving. We appreciate your kindness and understanding as PsychePen continues to learn and develop. Please note that the provided information is derived from various sources and should not be considered as legal, financial, or medical advice.



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Green Dragon dispensaries, grow facility to remain open after cash infusion

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In an unexpected turn, Green Dragon, one of the largest dispensary chains in Colorado, will keep its stores and grow facility open.

The retailer’s parent company, California-based Eaze, got an infusion of $10 million from its owner, Jim Clark, to remain operating, it announced Tuesday. Clark, the billionaire founder of the defunct tech firm Netscape, foreclosed on the company’s assets in August for $54 million.

“We’ve just been working with the new ownership group to assess what we’re doing in the future,” said Cory Azzalino, Eaze’s CEO. “It’s nothing world-shaking, but I’m excited to keep going.”

Read the rest of this story on DenverPost.com.



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Green Dragon founders fired up to “get back to where we were” with new joint

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The first dispensary chain founded by Alex Levine, Andy Levine and Lisa Leder is preparing to cease operations in Colorado, three years after they sold it.

But they have high expectations for take two — their new chain, Fired Cannabis.

“Our plan is to get back to where we were,” said Alex Levine. “It’s just a long detour.”

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384 flights canceled at DIA as heavy snow pelts metro Denver

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At least 384 flights were canceled and 467 delayed at Denver International Airport on Friday as heavy snow pelted metro Denver and Colorado’s eastern plains.

The Federal Aviation Administration activated a traffic management program for flights bound for DIA “due to weather/snow-ice.” The average delay for flights under this plane was one hour and 50 minutes, FAA officials said, adding that departing flight schedules also may be affected by the weather.

There were 851 total delayed and canceled flights at DIA as of 11:45 a.m., according to Flight Aware. SkyWest reported the most cancellations with 183, followed by Southwest with 124, and Frontier with 30.

Read the rest of this story on TheKnow.DenverPost.com.



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