Understanding the Deceptive Practices in Cannabis Testing
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Chapter 1: The Crisis in Cannabis Testing
In recent discussions surrounding cannabis testing, particularly in Oregon, I've extensively documented the troubling inconsistencies in THC potency results. This has led to a diminishing trust in cannabis testing protocols. To better understand the findings from my public records inquiry, I’m collaborating with a highly qualified researcher. Meanwhile, it’s crucial to delve into the various tactics employed by cannabis labs to artificially boost THC potency, particularly concerning flower.
These methods reflect a broader issue, as cannabis marketing has heavily emphasized THC potency. As a result, consumers often base their purchases primarily on this metric. Many dispensaries assert that products below 30% potency are unlikely to sell, while cultivators claim they cannot market their flower unless it meets specific potency expectations. In light of the economic challenges facing the cannabis sector, accusations of malpractice are rampant. So, what strategies do these labs use?
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Section 1.1: Common Methods of Inflating THC Levels
Manipulating Moisture Content
The moisture level in a cannabis sample can influence its THC potency. While the effect may be minor, it can be enough to enhance the market appeal of the product. However, this alone does not account for the significant inconsistencies noted in Oregon.
Altering Loss on Drying Calculations
There are two approaches to calculating moisture loss:
- (moisture loss) / (wet or starting weight)
- (moisture loss) / (dry or ending weight)
These methods yield slightly different results, which labs can exploit to adjust potency figures subtly.
Spiking Samples
Several techniques exist for spiking cannabis samples, from adding kief to infusing distillate. While some methods are detectable, spiking remains a common practice when regulatory audits are lax.
Sampling Manipulations
Proper sampling protocols should ensure that the sample accurately represents the batch. Unfortunately, this isn’t always the case. Stories abound of growers bribing lab samplers or providing pre-manipulated samples.
Swapping Samples with High-Test Variants
An extreme method involves substituting a low-tested sample with one that has a known high potency. This tactic is both cost-effective and deceptively simple.
Utilizing High-Yield Standards
Calibration standards are crucial for accurate testing. Some standards are known to produce inflated results, and without regulatory oversight, inconsistencies can go unchallenged.
Calibration Manipulations
Miscalibrating lab equipment can skew results across the board, but these tricks are more likely to be uncovered during comprehensive audits.
Incorrect Sample Weight Reporting
Misreporting sample weights can drastically alter potency results. Although equipment is calibrated daily, human error in recording can lead to significant discrepancies.
What’s the Current Situation in Oregon?
Several lab directors have privately indicated that the troubling potency figures in Oregon likely stem from a combination of methods 6, 7, and 8. The cannabis lab landscape in Oregon is currently chaotic, with many labs closing due to insufficient oversight.
Since the critical audit in 2019, conditions have only worsened, highlighting a lack of effective remediation. The absence of stringent regulations has allowed unscrupulous labs to thrive, driving honest businesses out of the market.
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If you’re interested in learning more about my efforts to enhance transparency and integrity in cannabis testing, feel free to share your thoughts in the comments!