
What You Need to Know About Aspergillus
Our recent post about microbiology testing touched on the prevalence of aspergillus and its potential impact on growers in light of the new cannabis testing requirements in Oregon. Let’s get into some additional detail on this widespread organism, and point you toward some extra resources on the topic. What is aspergillus? Aspergillus refers to a group of hundreds of fungi species found in...Read More
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Adapting to Change: Microbiology Testing
Have you heard about the new microbiology tests for cannabis in Oregon? Of course you have! Everyone has, and everyone is talking about it, because the early results have been a surprise to say the least, so it’s become a core focus for labs and farms alike. The success and stability of the cannabis community depends on our collaboration through this new phase of testing. Let’s get into some...Read More
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Shelf Testing: 9 More Strains
With three shelf tests completed, with anywhere from 8 to 11 strains re-tested, the through line continues to be variance. This is not unique to our industry. Variance exists in the pharmaceutical, food, environmental and energy industries – even with rigorous testing and regulatory requirements in place. As in our industry, different testing methods, equipment, and analytical techniques can...Read More
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Meet Bob Vingelen
Meet Bob Vingelen, a valued member of our business development, sales, and field team at Pree. He joined our ranks in October of 2018, shortly after we opened our doors for business. Bob has always been passionate about growing plants of all types. He graduated from OSU in 2004 with a bachelor of science degree in horticulture, and prior to joining Pree, he was the head gardener at Corvallis...Read More
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Analytical Variance: The Lab
It’s not unique to cannabis — analytical variance is the name of the game across labs of all kinds, from pharmaceuticals to animal feed. Since this is such an important aspect of lab testing, we’re diving deeper into the topic… First of all, what do we mean when we say analytical variance? Analytical variance is the variation in results when testing cannabis samples. It acknowledges the...Read More
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Analytical Variance: The Farm
In our Shelf Testing series, we re-test strains from local dispensaries. Variance is the recurring theme, because of the inherent variability in the plant and the final product. As we’ve discussed, there are several contributing factors. In the first of this two-part series, Patrick Ray – one of our Pree field reps and former grower – helps us understand some of the implications on the farm...Read More
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Adapting to Change: Heavy Metals Testing
You’re already aware of the regulation change — as of this month, all cannabis in Oregon is required to pass heavy metals testing. The complete rules under the Public Health Division can be found here, and as stipulated in OAR 333-007-0415, the heavy metals standards and action limits are as follows (ug/g = micrograms per gram): Arsenic — 0.2 ug/g Cadmium — 0.2 ug/g Lead — 0.5 ug/g Mercury —...Read More
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Meet Tara Taylor
Meet Tara Taylor, Pree regional manager serving our clients in the greater Portland area. Tara joined our team in 2021, and her diverse background has enabled her to thrive in the dynamic and ever-evolving cannabis industry. Her role allows her to connect directly with growers and ensure quality products are in the market. She says, “I love working at Pree because the relationships I have with...Read More
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Meet Patrick Ray
Meet Patrick Ray, one of our awesome field representatives at Pree since 2022. In addition to his time on the lab side of the cannabis industry, he’s also had experience running an indoor grow operation. Before that, Patrick was in the hospitality space, where he put in 11 years of hotel management for Hyatt Hotels and Resorts. What Patrick likes about working in the cannabis industry is that...Read More
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Shelf Testing 11 strains from 10 labs including Pree
It’s time for another round of shelf testing! We have 11 new strains right out of dispensaries here in Oregon, and each was approved for retail sale after testing by one of ten different cannabis labs. The kicker is that this time we included a strain that was originally tested right here at Pree! We’re taking a bit of our own medicine to see how the Pree-tested flower fared after a few months...Read More
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