Here are the ones that come up most.

Myth 1: All laboratories produce the same result

They do not, and the variation is larger than most people assume.

Differences come from sampling, extraction method, calibration standards, instrument condition and how chromatographic peaks are integrated. Two competent, honest laboratories analyzing material from the same batch can return potency figures several percentage points apart without either doing anything wrong.

That is not a reason to distrust testing. It is a reason to understand that a result carries a margin, and to prefer a laboratory that can tell you what its margin is. The mechanics are covered in the limits of current testing methods.

Myth 2: A passing result means the product is clean

A pass means the sample analyzed met the action limits for the analyses that were performed, on the date they were performed.

It does not mean nothing was present — it means nothing was present above the applicable threshold. It does not cover analyses that were not run. And it says nothing about what happened to the product afterwards. A batch that passed microbial screening in spring can develop mold in storage by summer if water activity was borderline.

Myth 3: Higher THC means a better product

Potency is a measurement of chemical concentration. It is not a quality score.

It says nothing about how the material was grown or cured, about terpene content, about freshness, or about whether the product suits the person buying it. The market’s fixation on the THC number is the single biggest driver of the incentive problems described in lab ethics and data integrity — and a full explanation of what the percentage does mean is in THC percentage explained.

Myth 4: Testing is just a regulatory box to tick

Compliance is why testing is mandatory. It is not what makes it useful.

Potency trends across harvests show whether a change in feeding or environment did anything. Water activity readings show whether the cure is consistent between rooms. Microbial results point at drying conditions and facility hygiene. Operators who read their certificates as production feedback get considerably more out of the same spend.

Myth 5: “Not detected” means zero

It means the analysis found nothing above its limit of detection. Every method has one, and it varies by laboratory, instrument and matrix.

A “not detected” from a method with a very low detection limit is a much stronger statement than the same words from a less sensitive method. This is exactly why a certificate should state its detection and quantitation limits, and why one that does not is harder to interpret than it looks.

Myth 6: Organic or pesticide-free growing makes contaminant testing unnecessary

Pesticide residues appear without deliberate application — drift from a neighbouring operation, clones brought in already carrying residue, or equipment used previously on treated material.

And pesticides are one contaminant among several. Heavy metals come from soil, water and nutrient inputs regardless of growing philosophy. Mold is a function of drying and storage conditions, not of what was sprayed. A cultivation approach cannot substitute for measurement.

Myth 7: A COA on the website is enough

Only if it matches the product in your hand. Certificates are batch-specific. A report from a different batch — even the same cultivar from the same producer — describes different material.

Check that the batch identifier on the packaging appears on the certificate, and check the date. Both take seconds.

Myth 8: Home test kits are a reasonable substitute

Home kits give a coarse potency estimate. They do not screen for pesticides at regulatory limits, heavy metals at parts per billion, mycotoxins, or residual solvents, because that requires instrumentation with no consumer equivalent.

The risk is not imprecision — it is that a negative result feels like a clean result when the kit never examined the things most likely to be a problem. Detail in home kits versus laboratory testing.

Myth 9: Testing exists because cannabis is dangerous

Testing exists because cannabis is an agricultural product that is inhaled or ingested, often daily, frequently by people managing a medical condition. The same logic applies to food and pharmaceuticals.

What makes cannabis a particular case is that combustion concentrates and in some cases transforms residues, and that a meaningful share of consumers are immunocompromised. Neither implies the plant itself is the hazard.

Myth 10: A failed batch means the producer did something wrong

Sometimes. Often not.

Failures trace back to a contaminated water source nobody thought to check, drift from a neighbouring farm, a clone brought in carrying residue, a humidity excursion during a power outage, or genuine sampling variation. Treating every failure as negligence discourages the honest investigation that prevents the next one.

The productive response is to work through the data with the laboratory and find the cause — which is one of the reasons a laboratory that will explain a result is worth more than one that emails a PDF. See how to choose a cannabis testing laboratory.

What to Take From This

Cannabis testing is a measurement, with all the limits that word implies. It is not a guarantee, not a quality rating, and not a single unambiguous number.

Read certificates for what they contain: which analyses were run, what the limits were, when the sample was taken, and which batch it describes. That habit resolves most of the confusion on this list. Start with what cannabis lab testing is if you want the full picture.

The post Cannabis Lab Testing Myths, Debunked appeared first on TruMo Analytics.

Producers moving from flower into infused products are frequently surprised by how differently the analysis behaves. Here is why.

Homogeneity Is the Central Problem

With flower, a potency figure describes the sample. With edibles, the figure has to describe every unit a customer might pick up.

If a batch of 1,000 gummies is labeled 10 mg per piece, the acceptable outcome is not an average of 10 mg. It is that any individual gummy is close to 10 mg. A batch averaging 10 mg while ranging from 3 mg to 22 mg is a labeling failure and a consumer safety problem, and averages conceal exactly that.

Homogeneity failures come from the production side: distillate that was not fully dispersed before depositing, emulsions that separated, temperature gradients in a mixing vessel, or cannabinoids settling during a long fill run. Testing detects the outcome. Only process control prevents it.

This is why homogeneity testing typically samples multiple units from across a production run rather than pulling a single composite. The variation between units is the measurement.

Matrix Effects

“Matrix” is everything in the sample that is not the compound being measured. In flower the matrix is plant material — well characterized and reasonably consistent. In edibles it is chocolate, gelatin, sugar, oils, emulsifiers, flavourings and colourants, and it changes completely from product to product.

Two problems follow.

Extraction recovery. Cannabinoids are lipophilic. In a high-fat matrix such as chocolate or a butter-based baked good, they bind to the fat and resist extraction into the analytical solvent. A method that recovers 98% from flower may recover far less from chocolate, and the reported potency comes back low — not because the product is under-dosed but because the method did not retrieve what was there.

Interference. Matrix components can suppress or enhance the instrument signal, or co-elute with the compounds of interest and distort peak integration. Sugars, oils and colourants are all capable of this.

Both are solvable with method development and validation for the specific matrix. Neither is solved by assuming a flower method transfers. This is the single most important question to ask a laboratory before sending infused products: has this method been validated on my matrix?

Milligrams, Not Percentages

Flower potency is expressed as a percentage by weight. Edibles are labeled in milligrams per serving and per package, because that is the unit a consumer can act on.

That conversion introduces its own requirements. The laboratory needs an accurate unit weight, and where a package contains multiple servings, the per-package figure has to hold as well as the per-serving one. Regulatory caps are typically written in milligrams per serving and per package, so an error in either direction is a compliance issue.

Because the numbers are small, precision matters more. A one percentage point error on 20% flower is proportionally modest. A 2 mg error on a 5 mg gummy is 40%.

Contaminants Concentrate Through the Chain

Edibles are made from extract, and extraction concentrates everything that partitions with the cannabinoids.

A pesticide residue sitting comfortably under the limit in source flower can exceed it in the distillate made from that flower, and therefore in the edible made from that distillate. The same applies to heavy metals. Testing the input material does not discharge the obligation to test the finished product, because the concentration relationship is not linear and not always predictable.

Solvent-extracted inputs also bring residual solvents into the finished product. And edibles introduce contamination routes flower does not have — food-grade ingredients with their own microbial and heavy-metal profiles, plus water activity in the finished product driving shelf stability. A full breakdown of the panels is in contaminant testing explained.

Stability Over Shelf Life

Cannabinoids degrade. THC converts to CBN with exposure to heat, light and oxygen, and the rate depends on the matrix and the packaging.

A beverage stored warm can lose meaningful potency over months. An emulsion can separate, which re-introduces the homogeneity problem after the product has already been released. A product that was accurately labeled on the day of testing can drift outside its stated range before it is consumed.

Stability testing — analyzing the same batch at intervals across its intended shelf life — is how producers establish that their expiry dating is real rather than assumed. It is not universally required, and it is the difference between a defensible shelf life and a guess.

Beverages Are Their Own Category

Cannabis is not water-soluble, so beverages depend on emulsification to distribute cannabinoids through an aqueous matrix.

That makes them the most demanding infused product to test. Emulsions separate over time and with temperature change. Cannabinoids adsorb onto container surfaces, so a portion of the dose can end up on the inside of the can rather than in the liquid. Sampling technique matters more than in any other format — shaking or not shaking before sampling can change the result.

What Producers Should Do

• Validate the method for your matrix. Ask the laboratory directly. A generic method on an unusual matrix is where most surprises originate.
• Test homogeneity during development, not only at release. Sample units from the start, middle and end of a run to see what your process actually produces.
• Fix mixing before adjusting the recipe. Most homogeneity failures are process problems. Adding more distillate to correct a low average makes the spread worse.
• Test the finished product, not just the input. Concentration through the chain is why input results do not transfer.
• Run stability if you are claiming a shelf life. Otherwise the expiry date is unsupported.
• Account for the full package. Per-serving and per-package figures both have to comply.

We test the full range of infused formats, including gummies, chocolates, beverages, capsules and tinctures. The infused products page sets out which panels apply to each.

The short version: flower testing measures a plant, and edibles testing measures a manufacturing process. Treating the second like the first is where most problems begin.

The post Why Edibles and Infused Products Are Tested Differently appeared first on TruMo Analytics.

Cannabis contaminant testing covers four broad categories — biological, chemical, elemental and physical — each with a different origin, a different analytical approach and a different fix. Understanding which is which turns a failure from a setback into a diagnosis.

Biological Contamination

Microbial screening

Microbial screening looks for bacteria, yeast and mold. Panels vary: some report total aerobic count and total yeast and mold count, others target specific organisms such as E. coli, Salmonella, and Aspergillus species. Most regulated markets require both.

Aspergillus gets particular attention because several species can cause invasive pulmonary infection in immunocompromised people — a group heavily represented among medical cannabis patients.

Methods are either culture-based, where organisms are grown on media and counted, or quantitative PCR, which detects genetic material. Culture takes days because growth takes days. qPCR is faster but detects DNA from organisms that may no longer be viable, which is a different question and occasionally a source of disagreement.

Where it starts: drying and curing conditions, facility hygiene, storage humidity. Rarely cultivation itself. Cross-reference against water activity on the same report — the two move together.

Mycotoxin screening

Mycotoxins are toxic secondary metabolites produced by certain molds — principally aflatoxins B1, B2, G1 and G2, plus ochratoxin A. Mycotoxin screening is a separate analysis because these compounds are chemically stable and persist after the mold that produced them is dead.

A batch can therefore pass a viable microbial count and still carry mycotoxins from an earlier contamination event that was subsequently treated or simply died back. Aflatoxins are established human carcinogens, which is why the limits are low.

Where it starts: a mold problem at some earlier point — during growing, drying, or storage — even if the mold is no longer present.

Chemical Contamination

Pesticide analysis

Pesticide analysis screens for residues across a defined list of active ingredients, each with its own action limit. Lists differ substantially between jurisdictions — a product passing in one state can fail in another on identical data.

The analysis uses liquid or gas chromatography coupled to tandem mass spectrometry, because the compounds are chemically diverse and the detection limits are low.

Combustion is what makes pesticides a bigger issue in cannabis than in food. Some residues survive burning, and several degrade into more harmful compounds. Myclobutanil converts to hydrogen cyanide when heated, which is why it is prohibited on cannabis across regulated markets despite being permitted on other crops.

Where it starts: deliberate application, but also drift from neighbouring operations, clones brought in already carrying residue, reused equipment, and contaminated growing media. When a result is positive, work backwards through every input rather than assuming misapplication.

Residual solvent testing

Residual solvent testing applies to solvent-extracted concentrates. Butane, propane, ethanol, hexane and others are measured by headspace gas chromatography, which samples the vapor above the material rather than the material itself.

Where it starts: inadequate purging, usually a function of time, temperature and vacuum. Mechanically separated products — rosin, dry sift, ice water hash — do not require it, though documenting a clean result is a reasonable commercial choice.

Elemental Contamination

Heavy metal testing

Heavy metal testing screens for lead, arsenic, cadmium and mercury, measured by ICP-MS at parts-per-billion sensitivity. Some jurisdictions add chromium, nickel or copper.

Cannabis is an efficient bioaccumulator — it draws elements from soil and water and concentrates them in tissue. The property is effective enough that hemp is deliberately planted for soil remediation on contaminated ground, which is precisely why this analysis is not optional for consumable crops.

Where it starts: growing medium, water source, fertilisers and amendments — particularly cheaper phosphate-based products, which can carry cadmium. For vape products, cartridge hardware is a documented source of metal contamination independent of the cannabis inside, so testing the filled product rather than the oil alone matters.

Physical Contamination

Filth and foreign material

Filth and foreign material inspection is a visual and microscopic examination for insect fragments, hair, visible mold, and anything else that should not be present.

It is the least technical analysis on the panel and one of the most informative about handling, because it almost never reflects cultivation. It reflects what happened after harvest.

Where it starts: trim rooms, drying areas, storage containers, transport.

Water Activity, and Why It Belongs Here

Water activity is not a contaminant measurement, but it is the best predictor of whether a batch will become one.

Water activity measures how much water in the material is chemically available to support microbial growth, as distinct from total moisture content. Below roughly 0.65 a_w, most molds cannot grow. Above it, they can — which means a batch that passes microbial screening today with high water activity is a batch that may fail later in storage.

Treating water activity as an early warning rather than a box to tick prevents more microbial failures than any other single practice. See how to store cannabis properly for the storage side.

Reading a Failure

Different failures point in different directions.

• Microbial → drying, curing, storage humidity, facility hygiene. Check water activity on the same report first.
• Mycotoxin → an earlier mold event, even if nothing is visible now. Review the whole post-harvest history.
• Pesticide → inputs and environment. Audit everything applied, everything brought in, and what is happening on adjacent land.
• Heavy metal → soil, water, nutrients. Test the inputs directly rather than guessing.
• Residual solvent → purge parameters. Time, temperature, vacuum.
• Foreign material → post-harvest handling and facility cleanliness.

A laboratory that will work through the data with you is worth considerably more than one that emails a result and stops. That is one of the criteria in how to choose a cannabis testing laboratory.

Prevention Beats Retesting

By the time a batch fails, the cost is already incurred. The practices that reduce failures are unglamorous and consistent: verified inputs from documented sources, water tested at the source, controlled drying with monitored humidity, thorough cleaning between harvests, sealed storage with stable conditions, and records complete enough to trace a problem when one appears.

Contaminant testing tells you whether all of that worked. It cannot substitute for any of it.

The post Cannabis Contaminant Testing Explained appeared first on TruMo Analytics.

Here is what sits behind the number.

Why Panels Cost What They Cost

Testing prices are driven by instrumentation, consumables, labour and time — and those vary enormously by analysis.

Potency is the cheapest analysis on most price lists. HPLC is comparatively fast, preparation is straightforward, and laboratories run high volumes of it.

Terpenes sit slightly higher. Gas chromatography with mass spectrometry, more complex preparation, longer run times.

Microbials vary by method. Culture-based testing is cheap in consumables and expensive in time — organisms take days to grow and incubator space is finite. qPCR is faster and carries higher consumable costs per sample.

Heavy metals require ICP-MS, an expensive instrument to buy, run and maintain, plus acid digestion during preparation. Priced accordingly.

Pesticides are typically the most expensive analysis on the panel. Tandem mass spectrometry, a long compound list each requiring its own calibration and reference standards, and extensive sample preparation. A wider list costs more, which is one reason two “pesticide screens” can differ by a factor of three.

Residual solvents are moderately priced — headspace GC is efficient, and the analysis only applies to solvent-extracted products.

Water activity and moisture are inexpensive. Fast measurements on relatively simple equipment.

A full compliance panel bundles most of these, which is why bundled pricing is generally better value than ordering analyses individually.

What Else Moves the Price

Matrix. Infused products cost more than flower to analyze. High-fat and high-sugar matrices need more preparation, more method development, and often confirmatory work. Edibles testing is genuinely harder analytical work.

Turnaround. Expedited service costs more because it displaces other work in the queue. Standard turnaround is almost always the better economic choice if your production schedule allows it.

Volume. Laboratories price per sample, and per-sample cost falls with committed volume. A cultivator submitting weekly is a different proposition from an occasional submitter.

Sampling. Where the laboratory collects the sample, travel time is a real cost, and remote sites carry more of it.

Retests. A failed batch means a second analysis, and sometimes a third after remediation. Retesting is where testing budgets actually overrun — not the base panel price.

How Testing Reaches the Shelf Price

Testing is charged per batch, not per unit, so its contribution to unit cost depends entirely on batch size.

A full panel spread across a large harvest lot is a very small addition per gram. The same panel across a small batch of a specialty product is a much larger share. This is why small-batch and craft producers feel testing costs disproportionately, and why some jurisdictions have adjusted batch-size rules for exactly that reason.

The cost also compounds through the chain. Flower is tested. If it becomes extract, the extract is tested. If the extract becomes an edible, the edible is tested. Each step is a legitimate analysis of a materially different product — concentration through the chain is real, as covered in contaminant testing — but by the time a product has been through three stages, three panels sit behind it.

The False Economy

The cheapest quote frequently produces the most expensive outcome, in several ways.

A narrower panel is not the same service. Fewer analytes, a shorter pesticide list, or higher detection limits all reduce cost and reduce what you learn. Compare scopes before comparing prices.

Unreliable results cost more than they save. A result you cannot defend to a regulator, or that a buyer disputes, is worth less than nothing. Rework, delayed shipments and lost accounts dwarf the price difference on a panel.

Inconsistent turnaround has a cost you will not see on an invoice. A laboratory that quotes three days and delivers between three and eleven makes production planning impossible, and finished product sitting in quarantine is capital doing nothing.

A laboratory that only sends a PDF leaves value on the table. One that will help you interpret a failure shortens the path to the cause. That is worth real money over a year.

Where the Budget Actually Goes

Operators who track this carefully usually find the base panel is the predictable part, and the variance comes from elsewhere.

• Retests after failures. The largest avoidable cost by a wide margin.
• Rush fees. Almost always the result of planning, not necessity.
• R&D testing. Development work on new products, which is discretionary but pays for itself when it prevents a failed commercial batch.
• Stability testing. Required if you are making shelf-life claims you want to be able to support.

Reducing failures is by far the highest-leverage way to reduce testing spend. Verified inputs, controlled drying, monitored water activity and clean facilities cost less than the retests they prevent. The failure-to-cause map is in contaminant testing explained.

Comparing Quotes Properly

Ask each laboratory for the same information:

• Exactly which analytes are included, particularly on the pesticide list
• Detection and quantitation limits for each
• Whether the price includes sampling, and what travel is charged
• Standard turnaround per panel, and what happens at peak season
• Retest pricing and policy
• Volume terms
• Whether the methods are validated for your matrices

Two quotes that differ by 40% usually differ in scope by more than that. The rest of the selection criteria are in how to choose a cannabis testing laboratory.

If you want a like-for-like comparison for a Missouri operation, request a quote with your product types, batch sizes and volumes, and you will get a scope you can put side by side with anyone else’s.

The post What Cannabis Testing Costs and What Drives the Price appeared first on TruMo Analytics.

This guide covers what testing involves, what each analysis is looking for, and what a result can and cannot tell you.

What Cannabis Lab Testing Actually Is

Cannabis lab testing is the analysis of a representative sample from a production batch to determine two things: what is in it, and what should not be in it.

The first half is composition. How much THC and CBD are present, which minor cannabinoids appear, and in many cases which terpenes make up the aromatic profile. The second half is contamination. Whether pesticide residues, heavy metals, microbial organisms, mycotoxins, residual solvents or foreign material are present, and if so, whether they exceed the limits set by the jurisdiction.

Both halves matter, but they matter to different people. Composition data is what gets printed on the label and drives purchasing decisions. Contamination data is what keeps the product from causing harm. A batch can have excellent potency numbers and still fail, and a batch with modest potency can be perfectly safe.

Why a Sample Is Not the Same as a Batch

This is the part that gets glossed over most often. A laboratory does not test your batch. It tests a sample taken from your batch, and every conclusion drawn from that analysis rests on how representative the sample was.

Cannabis is not homogeneous. Potency varies between the top and bottom of a plant, between plants in the same room, and between containers in the same harvest lot. Microbial contamination is frequently localised rather than evenly distributed. If sampling is done poorly, the result is accurate for the material that was analyzed and misleading for everything else in the lot.

Regulated sampling protocols exist precisely for this reason. They specify how many increments are pulled, from where, and how they are combined. When you see two labs return different results on what appears to be the same batch, sampling variation is one of the most common explanations — well ahead of anything sinister.

What a Standard Testing Panel Covers

The exact panel depends on your jurisdiction and product type, but the analyses below make up the core of most compliance programs.

• Potency testing — quantifies cannabinoids, typically THC, THCA, CBD, CBDA and a set of minor cannabinoids. This is what produces the percentage on the label.
• Terpene analysis — identifies and quantifies the aromatic compounds that shape smell and flavor. Often optional for compliance, increasingly expected commercially.
• Microbial screening — tests for bacteria, yeast, mold and specific pathogens. Frequently the analysis that catches problems with drying and curing.
• Mycotoxin screening — looks for toxic compounds produced by certain molds. These persist after the mold itself is gone.
• Heavy metal testing — screens for lead, arsenic, cadmium and mercury, which the plant draws up from soil, water and inputs.
• Pesticide analysis — detects residues from applied products, including compounds that were never intended for the crop.
• Residual solvent testing — applies to extracts and concentrates, measuring solvent left behind after extraction.
• Water activity and moisture content — measures available water, which determines whether microbial growth is possible during storage.
• Filth and foreign material — a physical inspection for anything that should not be in the product.

A full breakdown of what each analysis measures and when it applies is covered in types of cannabis testing.

Why Testing Exists At All

Cannabis is consumed by inhalation, ingestion and topical application, often daily, and frequently by people managing a medical condition. Several of those routes deliver contaminants efficiently. Combustion in particular concentrates residues that would be far less consequential in food.

Three things follow from that.

Safety. Mold and its by-products, pesticide residues and heavy metals all carry real health consequences, and immunocompromised patients are the population least able to absorb that risk. Testing is the only mechanism that catches these before consumption.

Accuracy. Dosing is impossible without a reliable number. A patient who found a workable dose with one product needs the labeling on the next one to mean the same thing. That only holds if the measurement behind it was sound.

Accountability. Testing creates a record. When a product turns out to be a problem, batch-level laboratory data is what makes it possible to identify what was affected and pull it, rather than guessing.

What Testing Does Not Tell You

Laboratory results are narrow by design, and reading more into them than they contain is a common mistake.

A result describes the sample that was analyzed, on the date it was analyzed. It says nothing about how the product was handled afterwards. A batch that passed microbial screening in June can develop mold in a warehouse in August if water activity was borderline and storage was poor.

Results also say nothing about how a product will affect a specific person. Potency is a measurement of chemical concentration, not a prediction of experience. Two people consuming identical material from the same jar can have entirely different responses, and no analysis on a certificate of analysis addresses that.

And a passing result is not a quality rating. It means the sample met the applicable limits. It does not mean the product was well grown, well cured or well made.

Several other assumptions about testing are equally common and equally wrong — we work through them in cannabis lab testing myths, debunked.

What Makes a Result Trustworthy

Not every number carries the same weight. The credibility of a result depends on the laboratory that produced it.

Accreditation is the baseline. ISO/IEC 17025 accreditation means an independent body has assessed the laboratory’s technical competence, methods and quality systems — not simply that it holds a license to operate. Method validation matters too: a laboratory should be able to demonstrate that its methods perform reliably on the specific product matrices it is testing, because an approach that works on flower does not automatically transfer to a gummy or a beverage.

Beyond that, look at whether the laboratory reports its limits of detection and quantitation, whether it retains records that support the result, and whether it will explain a finding rather than simply issuing a number. We go through the full set of criteria in how to choose a cannabis testing laboratory, and cover the integrity issues that arise when those standards slip in lab ethics and data integrity.

How Testing Fits Into Production

For growers and processors, treating testing as a gate at the end of production is the most expensive way to use it. By the time a batch fails, the cost is already sunk.

Operators who get more out of testing use it as feedback. Potency trends across harvests show whether a change in feeding or environment did anything. Water activity readings show whether the cure is consistent between rooms. A microbial result that comes back elevated points at drying conditions or facility hygiene, not at bad luck. Pesticide findings almost always trace back to an input that was not fully accounted for.

Used that way, the laboratory becomes a measurement tool for the operation rather than a checkpoint to clear. Our guide to reading cannabis lab results covers how to interpret each section of a report in that light.

What This Means for Patients and Buyers

If you are on the buying side, the practical takeaway is short. Ask whether the product has a certificate of analysis, check that the batch number on the packaging matches the one on the report, look at the test date, and confirm that contaminant panels were run rather than potency alone.

A product with a complete, current, batch-matched COA from an accredited laboratory has cleared a real bar. A product without one has cleared nothing, regardless of how it is packaged or described.

That is ultimately what cannabis lab testing is for. It replaces assertion with measurement, and it gives everyone in the chain — cultivator, processor, dispensary, patient — the same set of facts to work from.

The post What Cannabis Lab Testing Is and Why Every Batch Needs It appeared first on TruMo Analytics.

None of what follows is an argument against testing. It is an argument for reading results as measurements with a margin, which is what they are.

Sampling Is the Largest Source of Variability

The laboratory does not analyze your batch. It analyses a sample, and the sample is where most of the variation originates — usually more than the analysis itself.

Cannabis is heterogeneous at every scale. Cannabinoid concentration varies between the top and bottom of a single plant, between plants in the same room, and between containers in the same harvest lot. Microbial contamination is frequently localised rather than evenly distributed, so a compliant composite can coexist with a genuinely contaminated pocket somewhere in the lot.

Sampling protocols exist to manage this, and they help substantially. They do not eliminate it. A representative sample is an approximation of the batch, and the approximation gets rougher as the batch gets larger and less uniform.

Why Two Laboratories Disagree

Send material from one batch to two accredited laboratories and you will often get different numbers. Several legitimate factors contribute.

Sample preparation. Grind size, extraction solvent, extraction time, dilution — all affect how much of the target compound reaches the instrument.

Calibration. Different reference standards, different calibration ranges, different curve fits.

Peak integration. Chromatographic peaks require judgment about where they begin and end. Reasonable analysts make slightly different calls, and those calls move numbers.

Moisture basis. Potency reported on a dry-weight basis differs from as-received. If two reports use different bases, the figures are not comparable even when both are correct.

Instrument condition. Detector response drifts between services and recalibrations.

Individually these are small. Stacked, they explain most of the divergence people attribute to bad faith. Where bad faith does enter, it is usually through the incentive structure described in lab ethics and data integrity — but incompetence and honest variation account for far more of the spread than fraud does.

Where Methods Genuinely Struggle

Complex matrices

Methods validated on flower do not transfer cleanly to chocolate, gummies or beverages. High-fat matrices bind cannabinoids and resist extraction; sugars and colourants interfere with detection. Every matrix needs its own validation, and the industry has more product formats than it has validated methods. See edibles testing.

Pesticide lists that do not match reality

Panels screen for a defined list of compounds. A pesticide not on the list is not detected, however much of it is present. Lists are set by regulation and updated slowly, while the compounds actually in circulation change faster. A clean pesticide result means clean for the compounds screened.

Microbial method disagreement

Culture-based methods detect viable organisms. qPCR detects genetic material, including from organisms that are no longer alive. The two answer different questions and can disagree on the same sample, and jurisdictions differ on which they accept. Neither is wrong; they are measuring different things.

Emerging contaminants

Standard panels were designed around known risks. Novel synthetic cannabinoids, unregulated additives and newly identified degradation products are not necessarily covered. The EVALI outbreak involved vitamin E acetate, which no routine panel was screening for at the time — that is the general shape of the problem.

Total THC calculations

Total THC is calculated from THC and THCA using a conversion factor for decarboxylation. The factor assumes complete conversion, which real-world heating does not achieve. The reported figure is therefore a theoretical maximum rather than what a consumer receives. More in THC percentage explained.

What Results Cannot Address At All

Some limitations are not analytical. They are outside the scope of any laboratory.

Post-testing handling. A certificate describes the sample on the date of analysis. Heat, light, humidity and time change products afterwards, and no result accounts for a warehouse that ran warm in August.

Individual response. Potency is chemical concentration. It does not predict how a specific person will respond — tolerance, physiology, route of administration and context all matter, and none of them appear on a COA.

Quality in the broad sense. Passing means meeting limits. It does not describe how well something was grown, cured or made.

What Is Improving

Several of these problems are being worked on, with real if uneven progress.

Standardized methods reduce inter-laboratory variation by narrowing the range of defensible choices. Blind proficiency testing gives regulators a way to detect systematic drift rather than relying on self-reporting. Independent sampling removes the easiest route to an unrepresentative sample. Improved instrument sensitivity is lowering detection limits, and better matrix-specific validation is slowly catching up with the product formats on the market. Where that is heading is covered in standardization and transparent reporting and the future of cannabis lab testing.

Working With Uncertainty

The practical response is not to distrust results. It is to use them properly.

• Treat potency as a range, not a point. If a laboratory can tell you its measurement uncertainty, that number is more informative than the headline figure.
• Track trends rather than single results. Ten batches from one laboratory tell you far more than one batch from three.
• Stay with one laboratory for comparability. Consistent methodology makes your own data set meaningful, and moving after an unwelcome result is the behavior the incentive problem depends on.
• Read the whole report. Detection limits, methods and dates carry information the headline numbers do not.
• Do not read a pass as a guarantee. It is a measurement against a threshold, with a margin.

Honest laboratories are comfortable discussing all of this. A laboratory unwilling to acknowledge that its results carry uncertainty is telling you something about how it handles the results themselves.

The post The Limits of Current Cannabis Testing Methods appeared first on TruMo Analytics.

Testing splits into two families. Composition analyses tell you what is in the product. Contaminant analyses tell you what should not be. Below is what sits in each, and what a result actually means.

Composition Testing

Potency and cannabinoid profile

Potency testing quantifies the cannabinoids present in a sample: THC and THCA, CBD and CBDA, and depending on the panel, minor cannabinoids such as CBG, CBN and CBC.

The distinction between the acidic and neutral forms matters more than most labels suggest. Raw cannabis contains mostly THCA, which is not intoxicating. Heat converts it to THC. Total THC is therefore a calculated figure that accounts for that conversion, which is why it does not simply equal the THC line on the report.

Results are expressed as a percentage by weight for flower and concentrates, and as milligrams per serving and per package for edibles, beverages and tinctures. Those are different units answering different questions, and they are not interchangeable.

Applies to: every cannabis product.

Terpene analysis

Terpene analysis identifies and quantifies the volatile aromatic compounds that give a cultivar its smell and flavor — myrcene, limonene, pinene, caryophyllene and dozens of others.

Terpene testing is frequently optional under compliance rules, which is why plenty of COAs do not include it. Commercially, that is changing. A terpene profile distinguishes two batches with identical potency figures, and it gives cultivators a concrete chemical reference to track between harvests. We cover the detail in terpenes and the entourage effect.

Applies to: flower, concentrates, vape products; optional in most jurisdictions.

Moisture content and water activity

These two measurements sound similar and are not. Moisture content is how much water is in the material by weight. Water activity is how much of that water is chemically available — and availability, not quantity, is what determines whether microorganisms can grow.

Water activity is the more useful of the two for predicting shelf stability. It is also the analysis that most directly reflects how well a batch was dried and cured.

Applies to: flower and other plant material.

Contaminant Testing

Microbial screening

Microbial screening looks for bacteria, yeast and mold, including specific pathogens such as E. coli, Salmonella and Aspergillus species. Some panels report total counts; others target named organisms. Most do both.

Microbial failures usually trace back to drying, curing or facility hygiene rather than to cultivation itself. Cross-reference an elevated result against water activity on the same report — the two are almost always related.

Applies to: flower, and many infused products.

Mycotoxin screening

Mycotoxins are toxic compounds produced by certain molds, principally aflatoxins and ochratoxin A. Mycotoxin screening exists as a separate analysis because these compounds are stable and persist after the mold that produced them is gone. A batch can pass a viable microbial count and still carry mycotoxins from an earlier problem.

Applies to: flower and extracts made from it.

Heavy metal testing

Heavy metal testing screens for lead, arsenic, cadmium and mercury. Cannabis is an efficient bioaccumulator — it draws elements out of soil and water and concentrates them in plant tissue. That property is useful enough that hemp is deliberately used for soil remediation, and it is exactly why this analysis is not optional.

A heavy metal failure points at inputs: growing medium, water source, fertilisers, or in the case of vape products, the hardware itself. Cartridge components have been a recurring source of metal contamination independent of the cannabis in them.

Applies to: all cannabis products.

Pesticide analysis

Pesticide analysis screens for residues across a defined list of active ingredients, with action limits set per compound. The lists vary substantially between jurisdictions, and a product that passes in one state can fail in another on the same data.

Residues turn up for reasons beyond deliberate application. Drift from neighbouring operations, contaminated clones brought in from outside, and reused equipment all introduce compounds that were never applied to the crop on purpose.

Applies to: all cannabis products.

Residual solvent testing

Solvent-based extraction uses butane, propane, ethanol or CO₂ to strip cannabinoids from plant material. Residual solvent testing measures what is left in the finished extract after purging.

This analysis only applies to products made with solvents. Rosin, hash and other mechanically separated concentrates do not require it, though many producers run it anyway to document that.

Applies to: solvent-extracted concentrates, distillates, and products made from them.

Filth and foreign material

Filth and foreign material inspection is a physical examination for insect fragments, hair, mold visible to the eye, and anything else that does not belong. It is the least technical analysis on the panel and one of the most direct indicators of post-harvest handling.

Applies to: flower and plant material.

Where Product Type Changes the Panel

The panel is not identical across the catalogue.

• Flower carries the fullest plant-material panel: potency, microbials, mycotoxins, heavy metals, pesticides, water activity, moisture and foreign material.
• Concentrates and vapes add residual solvents and drop water activity. Contaminants concentrate alongside cannabinoids during extraction, so a pesticide level that passed in the source flower can fail in the extract.
• Edibles and beverages introduce homogeneity as the central problem. Potency has to be consistent across every unit in the batch, not merely correct on average. That is a different analytical challenge, covered in why edibles are tested differently.
• Topicals are generally tested for potency and contaminants but sit outside inhalation-specific requirements.

Reading a Result Properly

Three habits make results far more useful.

First, check what was not tested. A COA showing potency alone is not evidence of safety. Absence of a contaminant panel is not the same as a clean contaminant panel.

Second, look at limits of detection. “Not detected” means the analysis found nothing above the method’s detection threshold — not that the compound is definitively absent at zero. A laboratory that publishes its detection limits is telling you how strong that statement actually is.

Third, match the batch. A report is valid for the batch identified on it. If the batch number on the packaging does not correspond to the one on the certificate, the report is describing something else.

For a section-by-section walkthrough of an actual report, see the grower’s guide to understanding cannabis lab results. For the wider context on why these panels exist, start with what cannabis lab testing is.

The post Types of Cannabis Testing and What Each Analysis Measures appeared first on TruMo Analytics.

That fragmentation is the root of most complaints about testing reliability. Understanding where cannabis testing standards come from — and where they do not exist — explains a lot about why results behave the way they do.

Who Sets the Rules

State regulators are the primary authority. Each cannabis program defines which analyses are required for which product types, what the action limits are, and what a laboratory must do to be licensed. Because these decisions are made independently, they diverge — a pesticide permitted in one state is prohibited in the next, and action limits for the same compound can differ by an order of magnitude.

Accreditation bodies assess technical competence against ISO/IEC 17025. Accreditation evaluates whether a laboratory can produce valid results using the methods within its scope. It does not prescribe which methods a state should require.

Standards organizations — AOAC International, ASTM, the US Pharmacopeia among them — develop and validate analytical methods that regulators and laboratories can adopt. This is the slow, unglamorous work that eventually reduces variation. Adoption is voluntary and uneven.

Federal agencies are largely absent. Cannabis’s federal status keeps the FDA and USDA out of the space in the way they operate for food and pharmaceuticals, which is precisely why the vacuum exists.

What Standardization Would Actually Fix

Inter-laboratory variation. When methods are prescribed rather than left to each laboratory, the range of defensible choices narrows and results converge. Much of the disagreement described in the limits of current testing methods is method choice rather than error.

Lab shopping. Shopping only pays if results differ enough between laboratories to be worth chasing. Standardized methods reduce the spread and therefore the incentive.

Comparability across states. Multi-state operators currently maintain different testing regimes per market for the same product. Harmonisation would remove duplicated work and make data portable.

Consumer interpretation. A uniform report format would let anyone compare two products without decoding two layouts.

What a Transparent Report Contains

Formats differ, but the information that makes a certificate usable does not. A report worth relying on states:

• Sample identification — batch or lot number matching the product, sample date, receipt date, analysis date
• Methods — which analytical method was used for each analysis, referenced to a published standard where one exists
• Results with units — clearly labeled, with the basis stated (dry weight or as-received) for potency
• Action limits — the threshold applied to each analyte, and the jurisdiction it comes from
• Limits of detection and quantitation — without these, “not detected” cannot be interpreted
• Pass/fail status per analysis — not only an overall verdict
• Laboratory identification — name, license number, accreditation status and scope
• Authorised signature — a named person taking responsibility for release

A certificate missing detection limits, methods or an accreditation reference is not necessarily wrong. It is harder to evaluate, and that is a meaningful difference. Our walkthrough of an actual report goes section by section.

What Happens When Standards Are Not Met

Consequences for laboratories vary by jurisdiction and by how the failure surfaced.

Routine audit findings usually trigger corrective action plans with a deadline. Failed proficiency tests typically require investigation, root cause analysis and often re-testing under observation. Serious or repeated findings lead to suspension of specific test categories or of the license entirely. Where results were falsified, invalidation of previously issued certificates and product recalls follow — and in some jurisdictions, criminal referral.

The variable that matters most is whether enforcement is public. Where regulators publish suspensions and findings, buyers can factor them into laboratory selection and the market corrects. Where enforcement happens privately, a laboratory can be under corrective action while continuing to win work from clients who have no way of knowing.

Proficiency Testing as the Check

Proficiency testing is the mechanism that makes standards enforceable in practice. Laboratories receive samples with known values, analyze them blind, and report results that are compared against the reference.

It is the only way to distinguish accuracy from internal consistency. A laboratory can be highly repeatable and consistently wrong, and only an external reference reveals that.

Voluntary programs exist and are useful. Mandatory blind programs — where the laboratory does not know a sample is being assessed — are considerably stronger, because they measure ordinary performance rather than performance under observation. States that have introduced blind proficiency testing have found problems that voluntary programs did not surface.

Where This Is Heading

Progress is real but slow. AOAC and ASTM continue to publish validated methods, and adoption widens gradually. Several states have converged on similar requirements, mostly by copying each other. Blind proficiency testing is expanding. Some multi-state operators are standardising internally ahead of regulation because it is cheaper than maintaining parallel systems.

Federal reform would accelerate all of it, because federal oversight would bring a single set of methods and limits. Until then, harmonisation depends on states and standards bodies converging voluntarily. More on the trajectory in the future of cannabis lab testing and on the current patchwork in how testing rules differ across states.

What Operators Can Do Now

Waiting for standardization is not a strategy. In the meantime:

• Work with an accredited laboratory and confirm the accreditation scope covers your analyses and matrices.
• Ask which published methods are used, and whether they are validated for your product types.
• Ask about proficiency testing participation and results.
• Keep your own records so you can spot drift in your data over time.
• Stay with one laboratory where you can — comparability within your own data set is worth more than chasing individual results.

The selection criteria in full are in how to choose a cannabis testing laboratory.

The post Standardization and Transparent Reporting in Cannabis Testing appeared first on TruMo Analytics.

Here is what actually happens, in order. If you want the wider context first, start with what cannabis lab testing is and the breakdown of what each analysis measures.

Step 1: Sampling

Everything downstream depends on this step, and it is the one most likely to be underestimated.

A batch is defined and declared: a specific quantity of material, from a specific harvest or production run, with a batch identifier. A sampler then pulls increments from multiple points across that batch according to a defined protocol — not a handful from the top of one container.

The reason is straightforward. Cannabis is heterogeneous. Cannabinoid concentration varies by plant position, and microbial contamination is often localised. A sample drawn from a single point describes that point. A composite sample drawn systematically across the lot describes the lot.

In most regulated markets, sampling is performed by the laboratory or by a licensed third party rather than by the producer, specifically to remove the incentive to select favorable material.

Step 2: Chain of Custody

From the moment the sample is taken, it is documented. Who collected it, when, from which batch, in what quantity, under what storage conditions, and every transfer of possession after that.

Chain of custody is not bureaucracy for its own sake. It is what makes a result defensible. If a report is ever questioned — by a regulator, a buyer, or in a dispute — the custody record is the evidence that the material analyzed is the material declared. A result without an intact custody trail is difficult to stand behind, regardless of how good the analysis was.

Step 3: Intake and Accessioning

At the laboratory, the sample is logged into the information management system and assigned an internal identifier. Condition on arrival is recorded — temperature, packaging integrity, whether the quantity matches the paperwork.

Samples can be rejected at this stage. Insufficient quantity for the requested panel, damaged packaging, a mismatch between the declared and delivered material, or missing documentation are all legitimate grounds. It is better to reject at intake than to produce a result nobody can rely on.

The requested panel is confirmed here too: which analyses apply to this product type, and whether the jurisdiction requires anything beyond what was ordered.

Step 4: Sample Preparation

Raw cannabis cannot be fed directly into an instrument. Preparation converts it into a form the analysis can work with, and it varies by test.

For potency, material is homogenized and a precise mass is extracted into solvent, then diluted to a concentration within the instrument’s calibrated range. For heavy metals, the sample is digested in acid to break down organic matter and release the elements for measurement. For microbial testing, the sample is prepared under aseptic conditions to avoid introducing organisms during handling.

Preparation is where a significant share of analytical error originates. Incomplete homogenisation, extraction that does not fully recover the target compounds, or contamination introduced in the lab all produce results that look fine on the report and are wrong.

Step 5: Analysis

Different questions require different instruments.

• Cannabinoids are typically measured by high-performance liquid chromatography (HPLC), which separates compounds in solution without heat — important, because heating would convert THCA to THC mid-analysis and distort the result.
• Terpenes are volatile, so gas chromatography is the usual approach, generally with mass spectrometry for identification.
• Residual solvents use headspace gas chromatography, sampling the vapor above the material rather than the material itself.
• Pesticides require tandem mass spectrometry to detect trace residues across a long list of compounds at very low concentrations.
• Heavy metals are measured by inductively coupled plasma mass spectrometry (ICP-MS), which can quantify elements at parts-per-billion levels.
• Microbials use either culture-based methods or quantitative PCR, depending on the organism and the regulatory requirement.

Each run includes quality controls: calibration standards, method blanks to confirm nothing is being introduced by the process, and spiked samples to verify the method is recovering what it should. If the controls fail, the batch of analyses is repeated. More on the instrumentation side in how technology is changing cannabis lab testing.

Step 6: Data Review

Instrument output is not a result. An analyst reviews the chromatography, checks that peaks are properly integrated and resolved, verifies that quality controls passed, and confirms the calculations that convert raw signal into a reported concentration.

In a well-run laboratory this review is performed by someone other than the analyst who ran the sample. Second-person review catches integration errors, transcription mistakes and results that are technically valid but implausible for the material.

Anything unusual gets investigated before it gets reported — an unexpected peak, a value far outside the range typical for the product type, a control that drifted. Reporting first and investigating later is how bad data gets into the market.

Step 7: Reporting

The certificate of analysis is generated: batch identifier, sample details, methods used, results per analyte, applicable action limits, pass or fail status, and the date of analysis. Limits of detection and quantitation should be stated so that a “not detected” result can be interpreted properly.

The COA is signed by an authorised person and released. Once released it is a formal record — corrections require a documented amendment, not a quiet edit. Our guide to reading lab results walks through each section of the finished report.

Step 8: Retention

Sample retains, raw instrument data and records are kept for a defined period. If a result is challenged, retained material can sometimes be re-analyzed, and the underlying data can be reviewed independently.

Retention is also what makes a recall workable. When a problem surfaces after release, batch-level records are what identify the scope.

How Long It Takes, and Why

Turnaround varies by panel. Potency and terpenes are comparatively quick. Culture-based microbial methods take days because organisms need time to grow — that is biology, not backlog. Pesticide panels are among the slower analyses because of preparation and run time across a long compound list.

A laboratory quoting a turnaround dramatically shorter than the industry norm for a full panel is worth a question. Some steps have a floor, and the ways of getting under it involve skipping something.

What Producers Can Do to Get Cleaner Results

Several common problems are avoidable on the production side rather than in the laboratory.

• Declare batches accurately. An overstated batch size makes the sampling plan unrepresentative before anything else happens.
• Submit enough material for the full panel, including any retest. Short samples cause delays and sometimes rejections.
• Verify your cure before submitting. Moisture and water activity problems are the most common avoidable failures, and more drying time is cheaper than a failed batch.
• Keep records of every input that touched the crop. When a pesticide result comes back positive, that record is how you find the source.
• Store samples appropriately between collection and delivery. Heat and humidity change material.

A laboratory that will walk you through where a problem originated is worth considerably more than one that emails a result and stops — one of the criteria in how to choose a cannabis testing laboratory.

The process is designed so that each step constrains the next. Good sampling makes analysis meaningful, good preparation makes instrumentation meaningful, and good review makes the report meaningful. Skip any one of them and the certificate is a document rather than a measurement.

The post Inside the Lab: From Sample Intake to Certificate of Analysis appeared first on TruMo Analytics.

Here is what actually runs a modern panel, and what is genuinely new.

The Instruments Behind a Standard Panel

High-performance liquid chromatography (HPLC)

HPLC is the workhorse of cannabinoid analysis. A sample in solution is pushed through a column that separates compounds by how strongly they interact with the packing material, and a detector measures each as it emerges.

The critical property is that HPLC operates without heat. That matters because heat converts THCA to THC — so a heated method would alter the sample during analysis and report a composition that never existed in the product. This is why potency testing is done by HPLC rather than gas chromatography.

Gas chromatography (GC)

GC separates volatile compounds in the gas phase and is the right tool for terpene analysis, where the targets are volatile by definition.

Headspace GC — sampling the vapor above a heated sample rather than the sample itself — is the standard approach for residual solvents, since the solvents of interest partition readily into the vapor phase while the matrix stays put.

Mass spectrometry

Mass spectrometry identifies compounds by mass-to-charge ratio and can quantify at very low concentrations. Coupled to chromatography, it is what makes trace analysis possible.

Tandem mass spectrometry (MS/MS) fragments a selected ion and analyses the fragments, which provides both sensitivity and confidence in identification. This is what pesticide analysis requires — screening a long list of structurally diverse compounds at parts-per-billion limits, in a matrix full of interferences.

ICP-MS

Inductively coupled plasma mass spectrometry ionises a digested sample in a plasma torch at temperatures around 6,000°C, then measures the resulting ions. It quantifies elements at parts-per-billion or lower, which is what heavy metal testing demands.

qPCR and culture methods

Microbial testing runs on two tracks. Culture-based methods grow organisms on selective media and count them — slow, well established, and measuring viable organisms specifically. Quantitative PCR amplifies and detects target DNA sequences — much faster and highly specific, but detecting genetic material from organisms that may no longer be alive.

Both are legitimate. They answer slightly different questions, which is why jurisdictions differ on which they accept.

What Is Genuinely New

Automation and sample handling

The least glamorous change has had the largest practical effect. Automated sample preparation, robotic liquid handling and integrated laboratory information management systems have reduced the manual steps where most human error occurs.

Preparation was always the bottleneck and always the biggest source of variability. Automating it improves both throughput and reproducibility, which is why turnaround times have compressed without a corresponding drop in reliability.

DNA sequencing and genetic analysis

Sequencing has moved from research into practical laboratory use in two areas.

For microbial identification, sequencing-based methods can identify organisms present in a sample with far more specificity than culture alone, distinguishing between species that a plate count treats identically — relevant when only some Aspergillus species are the concern.

For plant genetics, sequencing supports cultivar verification and breeding programs. It can confirm whether two samples are genetically the same plant, which matters commercially in an industry where the same name is used for materially different material. More on that in cannabis strains and the genetics behind them.

Higher-resolution mass spectrometry

High-resolution instruments enable non-targeted screening — looking for what is present rather than only for what is on a list. Standard pesticide panels only detect listed compounds, which is a real gap when circulating compounds change faster than regulation. Non-targeted approaches are how unexpected adulterants get found, and they are gradually becoming practical for routine use.

Field and near-line instruments

Portable spectroscopy and compact chromatography systems allow cultivators and processors to take rough measurements in-house — useful for harvest timing and process monitoring.

These are process tools, not compliance instruments. They do not carry the accreditation, calibration chain or contaminant capability that a compliance result requires, and the gap between the two is covered in home kits versus laboratory testing.

Data systems

Modern LIMS platforms handle chain of custody, instrument integration, calculation, review workflow and report generation with a full audit trail. That last part is not a convenience feature — it is the technical foundation of data integrity. A system that records every action and prevents undocumented edits makes results defensible in a way paper records never did.

What Technology Does Not Solve

Better instruments do not fix a bad sample. If the material that reaches the laboratory is not representative of the batch, a more sensitive instrument produces a more precise answer to the wrong question.

Nor does instrumentation solve method validation. An excellent mass spectrometer running a method that was never validated for chocolate will report confident numbers that do not reflect the product.

And no technology addresses the incentive structure. Where laboratories compete on results rather than capability, better instruments make it possible to be wrong more precisely.

The Direction of Travel

Three trends look durable: continued automation of preparation, wider use of non-targeted screening to catch what lists miss, and better matrix-specific method development as product formats multiply faster than validated methods.

What would change the field most is not an instrument. It is method standardization, which would make results comparable across laboratories regardless of what each one has on the bench. That is covered in standardization and transparent reporting, and the wider outlook in the future of cannabis lab testing.

The post How Technology Is Changing Cannabis Lab Testing appeared first on TruMo Analytics.