The Agriculture Improvement Act, also known as the Farm Bill, was signed into law in December 2018. A major provision in the law legalizes hemp as an industrial crop. In August of 2016, USDA, DEA, and FDA published a Statement of Principles in the Federal Register (FR 53365) that defined industrial hemp as any part or derivative (including seeds) of the plant Cannabis sativa L. with a dry weight concentration of tetrahydrocannabinols not greater than 0.3% (wt/wt).
Globally, the hemp market was estimated at $3.9 billion in 2017 and the hemp seed segment is predicted to grow “at a CAGR of 17.1%” through 2025. Some of the markets affected by hemp production include nutraceuticals, food, textiles, construction materials, and personal care products. It is also anticipated that cannabidiol (a non-psychoactive cannabinoid extracted from hemp) production will grow to support the burgeoning recreational and medicinal cannabis markets in the U.S., Canada and other countries around the world.
In U.S. states and Canada where recreational or medicinal marijuana programs have been legalized, regulations have been defined to assure the safety and quality of the products sold to consumers. These regulations include analytical chemistry and biological assays to identify and quantify pesticides, mycotoxins, heavy metals, residual manufacturing solvents, terpenes, and microbial contaminates. With regards to hemp, the USDA recently released guidelines for testing of hemp. To date, the only required test from the Federal perspective is total ∆9-tetrahydrocannabinol (THC) content < 0.3% by weight. Total THC is essentially the sum of tetrahydrocannabinolic acid (THCA) and THC (Total THC = 0.877(THCA) + THC) but this may be eventually expanded to include all salts and isomers of cannabinols as noted above. Another complication: what constitutes “dry”? The CFR does not answer this.
Agilent Technologies has invested in the development and implementation of the analytical protocol, the services needed to support these assays, the required consumables, reagents, and supplies, and the training of sales and support personnel to comprehensively ensure compliance of hemp with USDA regulations.
Across the country and across the world, governments that legalize cannabis implement increasingly rigorous requirements for laboratory testing. Helping to protect patients and consumers from contaminants, these requirements involve a slew of lab tests, including quantifying the levels of microbial contaminants, pathogens, mold and heavy metals.
Cannabis and hemp have a unique ability to accumulate elements found in soil, which is why these plants can be used as effective tools for bioremediation. Because cannabis plants have the ability to absorb potentially toxic and dangerous elements found in the soil they grow in, lab testing regulations often include the requirement for heavy metals testing, such as Cadmium, Lead, Mercury, Arsenic and others.
In addition to legal cannabis markets across the country, the USDA announced the establishment of the U.S. Domestic Hemp Production Program, following the enactment of the 2018 Farm Bill, essentially legalizing hemp. This announcement comes with information for hemp testing labs, including testing and sampling guidelines. While the information available on the USDA’s website only touches on testing for THC, required to be no greater than 0.3% dry weight concentration, more testing guidelines in the future are sure to include a discussion of heavy metals testing.
In an application note produced by Agilent Technologies, Inc., the Agilent 7800 ICP-MS was used to analyze 25 elements in a variety of cannabis and hemp-derived products. The study was conducted using that Agilent 7800 ICP-MS, which includes Agilent’s proprietary High Matrix Introduction (HMI) system. The analysis was automated by using the Agilent SPS 4 autosampler.
The instrument operating conditions can be found in Table 1. In this study, the HMI dilution factor was 4x and the analytes were all acquired in the Helium collision mode. Using this methodology, the Helium collision mode consistently reduces or completely eliminates all common polyatomic interferences using kinetic energy discrimination (KED).
As a comparison, Arsenic and Selenium were also acquired via the MassHunter Software using half-mass correction, which corrects for overlaps due to doubly charged rare earth elements. This software also collects semiquantitative or screening data across the entire mass region, called Quick Scan, showing data for elements that may not be present in the original calibration standards.
SRMs and Samples
Standard reference materials (SRMs) analyzed from the National Institute of Standards and Technology (NIST) were used to verify the sample prep digestion process. Those included NIST 1547 Peach Leaves, NIST 1573a Tomato Leaves and NIST 1575 Pine Needles. NIST 1640a Natural Water was also used to verify the calibration.
Samples used in the study include cannabis flower, cannabis tablets, a cannabidiol (CBD) tincture, chewable candies and hemp-derived cream.
Calibration standards were prepared using a mix of 1% HNO3 and 0.5% HCl. Sodium, Magnesium, Potassium, Calcium and Iron were calibrated from 0.5 to 10 ppm. Mercury was calibrated from 0.05 to 2 ppb. All the other elements were calibrated from 0.5 to 100 ppb.
After weighing the samples (roughly 0.15 g of cannabis plant and between 0.3 to 0.5 g of cannabis product) into quartz vessels, 4 mL HNO3 and 1 mL HCl were added and the samples were microwave digested using the program found in Table 2.
HCI was included to ensure the stability of Mercury and Silver in solution. They diluted the digested samples in the same acid mix as the standards. SRMs were prepared using the same method to verify sample digestion and to confirm the recovery of analytes.
Four samples were prepared in triplicate and fortified with the Agilent Environmental Mix Spike solution prior to the analysis. All samples, spikes and SRMs were diluted 5x before testing to reduce the acid concentration.
The calibration curves for Arsenic, Cadmium, Lead and Mercury can be found in Figure 1 and a summary of the calibration data is in Table 3. For quality control, the SRM NIST 1645a Natural Water was used for the initial calibration verification standard. Recoveries found in Table 4 are for all the certified elements present in SRM NIST 1640a. The mean recoveries and concentration range can also be found in Table 4. All the continuing calibration solution recoveries were within 10% of the expected value.
Internal Standard Stability
Figure 2 highlights the ISTD signal stability for the sequence of 58 samples analyzed over roughly four hours. The recoveries for all samples were well within 20 % of the value in the initial calibration standard.
In Table 5, you’ll find that three SRMs were tested to verify the digestion process. The mean results for most elements agreed with the certified concentrations, however the results for Arsenic in NIST 1547 and Selenium in both NIST 1547 and 1573a did not show good agreement due to interreferences formed from the presence of doubly-charged ions
Some plant materials can contain high levels of rare earth elements, which have low second ionization potentials, so they tend to form doubly-charged ions. As the quadrupole Mass Spec separates ions based on their mass-to-charge ratio, the doubly-charged ions appear at half of their true mass. Because of that, a handful of those doubly-charged ions caused overlaps leading to bias in the results for Arsenic and Selenium in samples that have high levels of rare earth elements. Using half mass correction, the ICP-MS corrects for these interferences, which can be automatically set up in the MassHunter software. The shaded cells in Table 5 highlight the half mass corrected results for Arsenic and Selenium, demonstrating recoveries in agreement with the certified concentrations.
In Table 6, you’ll find the quantitative results for cannabis tablets and the CBD tincture. Although the concentrations of Arsenic, Cadmium, Lead and Cobalt are well below current regulations’ maximum levels, they do show up relatively high in the cannabis tablets sample. Both Lead and Cadmium also had notably higher levels in the CBD tincture as well.
A spike recovery test was utilized to check the accuracy of the method for sample analysis. The spike results are in Table 6.
Using the 7800 ICP-MS instrument and the High Matrix Introduction system, labs can routinely analyze samples that contain high and very variable matrix levels. Using the automated HMI system, labs can reduce the need to manually handle samples, which can reduce the potential for contamination during sample prep. The MassHunter Quick Scan function shows a complete analysis of the heavy metals in the sample, including data reported for elements not included in the calibration standards.
The half mass correction for Arsenic and Selenium allows a lab to accurately determine the correct concentrations. The study showed the validity of the microwave sample prep method with good recovery results for the SRMs. Using the Agilent 7800 ICP-MS in a cannabis or hemp testing lab can be an effective and efficient way to test cannabis products for heavy metals. This test can be used in various stages of the supply chain as a tool for quality controls in the cannabis and hemp markets.
Disclaimer: Agilent products and solutions are intended to be used for cannabis quality control and safety testing in laboratories where such use is permitted under state/country law.
Secretary Perdue made the announcement in a YouTube video titled “USDA’s Hemp Policy.” Later in the week, an interim final rule formalizing the program will be published in the Federal Register, according to the USDA’s website. “The rule includes provisions for the U.S. Department of Agriculture (USDA) to approve hemp production plans developed by states and Indian tribes including: requirements for maintaining information on the land where hemp is produced; testing the levels of delta-9 tetrahydrocannabinol; disposing of plants not meeting necessary requirements; and licensing requirements,” reads the press release. “It also establishes a federal plan for hemp producers in states or territories of Indian tribes that do not have their own approved hemp production plan.” The interim final rule will go into effect as soon as it is published in the Federal Register, which should be by the end of this week.
You can watch the YouTube video and read the announcement he made below:
Hello everyone, as I travel across this great country of ours, I hear a lot about a strong interest in a new economic opportunity for America’s farmers: the production of hemp. Which is why today I am pleased to announce the USDA has published the rule establishing the US domestic hemp production program. We said we’d get it done in time for producers to make planning decisions for 2020 and we followed through. We have had teams operating with all hands-on-deck to develop a regulatory framework that meets Congressional intent while seeking to provide a fair, consistent and science-based process for states, tribes, and individual producers who want to participate in this program. As mandated by Congress, our program requires all hemp growers to be licensed and includes testing protocols to ensure that hemp grown under this program is hemp and nothing else. The USDA has also worked to provide licensed growers access to loans and risk management products available for other crops. As the interim final rule, the rule becomes effective immediately upon publication in the federal register. But we still want to hear from you. Help us make sure the regulations meet your needs. That’s why the publication of the interim final rule also includes a public comment period continuing a full and transparent rulemaking process that started with a hemp listening session all the way back in March 2019. At USDA, we are always excited when there are new economic opportunities for our farmers and we hope the ability to grow hemp will pave the way for new products and markets. And I encourage all producers to take the time to fully educate themselves on the processes, requirements and risk that come with any market or product before entering this new frontier. The Agricultural Marketing Service will be providing additional information, resources and educational opportunities on the new program. And I encourage you to visit the USDA hemp website for more information. As always, we thank you for your patience and input during this process.
With recent changes in federal and state law, and growing consumer awareness, the long-dormant hemp industry may finally be able to take heed of George Washington’s advice, “Make the most you can of [India Hemp] … The Hemp may be sown anywhere.”1
Hemp has a long and varied history in the United States. Throughout his lifetime, George Washington cultivated hemp at his Mount Vernon Estate, and, for a time, Washington even considered replacing tobacco with hemp as the Estate’s primary cash crop.2 Like Washington, Thomas Jefferson grew hemp at Monticello and his lesser-known Poplar Forest plantation.3 Both Founding Fathers primarily used the hemp cultivated on their property for making household items like clothing, rope, and fishing nets.
From the colonial era until 1970, hemp was routinely cultivated across the United States for industrial use. But, with the passage of the Controlled Substances Act (“CSA”) in 1970, U.S. hemp production ceased.4 The CSA banned cannabis of any kind, eliminating any distinction between hemp and other types of cannabis. As a result, hemp production became illegal in the United States.
More recently, the U.S. government finally began to ease restrictions on hemp cultivation and production. The 2014 Farm Bill introduced the USDA Hemp Production Program.5 Under the Program, universities and state departments of agriculture are allowed to cultivate hemp if:
The industrial hemp is grown or cultivated for purposes of research conducted under an agricultural pilot program or other agricultural or academic research; and
The growing or cultivating of industrial hemp is allowed under the laws of the state in which such institution of higher education or state department of agriculture is located and such research occurs.
The 2014 Farm Bill did not remove hemp from the auspices of the CSA, nor did it address the continuing application of federal drug control statutes to the growth, cultivation, manufacture, and distribution of hemp products.
The 2018 Farm Bill built upon the deregulation that began in 2014.6 Although both the 2014 and 2018 bills define hemp as the plant Cannabis sativa L. and any part of that plant that has a delta-9 THC concentration of 0.3% or less by dry weight,7 the 2018 Farm Bill took the additional step of removing hemp from the federal list of controlled substances and categorized it as an agricultural product. As a result, the production of hemp is now subject to USDA licensure and regulation. However, until the USDA completes its rulemaking process for implementing hemp regulation, hemp production remains illegal unless done in compliance with the terms of the earlier 2014 bill.8 For the time being, legal cultivation of hemp still must occur in a state that has authorized hemp research9 and the researcher must be either an institute of higher education or a state department of agriculture (or its designee).
With the increasingly favorable changes to federal and state law allowing for the expanded cultivation and production of hemp in the United States, the market is expected to grow significantly in the coming years. In 2014, the U.S. industrial hemp market was estimated at approximately $504 million.10 In only one year after the passage of the 2014 Farm Bill, the industrial hemp market was estimated to have increased by over $95 million to almost $600 million. By 2017, the worldwide market for industrial hemp was estimated to be $3.9 billion and growing at a compound annual growth rate (CAGR) of 14%.
In addition to favorable changes in U.S. law, the hemp market is benefiting from growing consumer awareness and demand for hemp-based food products.11 High in omega-3 and omega-6, amino acids and protein, hemp is growing in popularity as a cooking oil, dairy substitute, flour source and bakery ingredient. Among other things, hemp is considered by some to provide positive health effects for those seeking help with insulin balance, cardiac function, mood stability, and skin and joint health.
Although hemp cultivation is now allowed in the U.S.—at least for research purposes—and the market is forecasted to rise steadily under growing demand for hemp-based products, broad access to viable, legal seeds continues to present a challenge for researchers and commercial growers. In order to legally implement authorized cultivation programs and take economic advantage of a swiftly growing market, farmers must have access to seeds that can be guaranteed to consistently produce plants that fall under the legal definition of hemp. In an attempt to alleviate the problem, several states, including California, Indiana, Maine and Oregon, have implemented programs to license or certify compliant seed distributors and producers.
The importance of hemp seed availability and development has also been recognized on the federal level. On April 24, 2019, the USDA Agricultural Marketing Service published a Notice to Trade announcing that the USDA’s Plant Variety Protection Office (“PVPO”) is now accepting applications of seed-propagated hemp for protection under the Plant Variety Protection Act (“PVPA”). Among other things, the PVPA provides intellectual property protection to breeders who have developed new varieties of seed-propagated plants. Under the new guidance, breeders of new hemp varieties can now secure protection pursuant to the PVPA. Those holding a certificate of protection from the PVPO can exclude others from marketing or selling a registered hemp variety and manage how other breeders and growers use their protected variety.
The process for requesting protection under the PVPA is fairly straightforward. Breeders, or their attorneys, must complete all application forms, pay the required fees,12 submit a distinct plant variety name, and provide a deposit of at least 3,000 viable and untreated seeds of the variety (or 3,000 seeds of each parent variety for a hybrid). One required form for a completed PVPA application is the Objective Description of Variety form.13 This form provides a series of questions that identify the distinct aspects of the variety in question, including, among other things, plant and leaf characteristics, seed properties and anticipated uses. Upon receipt of the completed application and fees, the PVPO examines the application to determine whether the listed plant variety is new, distinct, uniform, and stable. If the PVPO determines that the requirements are satisfied, it will issue a certificate of protection granting the owner exclusive rights to the registered variety for a period of 20 years.Now is the time for farmers, researchers, and hobbyists alike to take advantage of the expanded opportunities available for protecting intellectual property for proprietary hemp varieties.
Although hemp has traditionally been used in the textile and fiber industries, the estimated 17.1% CAGR in the hemp seed segment is being driven by the increase in demand for hemp oil, seedcakes, and other food and nutraceutical products. These products are primarily derived from the hemp seed as opposed to its fibers. Presently, hemp seeds contain approximately 30-35% oil, of which approximately 80% is essential fatty acids, and 25% crude protein.14 Under the new PVPA guidelines, if a breeder is able to cultivate a sustainable plant that increases the plant’s production of the desirable compounds, he or she could achieve a significant position in the growing market.
The protection provided by the newly expanded PVPA builds upon other avenues of intellectual property protection now available to hemp breeders and growers. In addition to the PVPA, plants meeting certain criteria may also be protectable under a plant patent or a utility patent, both of which are administered by the U.S. Patent and Trademark office. Generally speaking, PVPA protection may be available for seeds and tubers, plant patent protection applies to asexually propagated plants, and utility patent protection may be available for genes, traits, methods, plant parts and varieties.15
With a market that is expected to grow substantially in the near future, and with the passing of increasingly friendly federal and state legislation, the hemp industry is on the cusp of significant expansion. Now is the time for farmers, researchers, and hobbyists alike to take advantage of the expanded opportunities available for protecting intellectual property for proprietary hemp varieties.
George Washington to William Pearce, 24 February 1794.
To date, at least 41 states have passed legislation authorizing hemp cultivation and production programs consistent with federal law. As of the date of this article, those states that have not enacted legislation allowing the cultivation of hemp for commercial, research, or pilot purposes include: Connecticut, Georgia, Idaho, Iowa, Louisiana, Mississippi, Ohio, South Dakota, Texas, and the District of Columbia.
Currently, the Food and Drug Administration prohibits hemp-based CBD in food and beverages. However, the FDA has set a public hearing to discussing the legalization of CBD in food and beverages for May 31, 2019.
The PVPA application fee is currently $4,382 with an additional fee of $768 due upon issuance of a certificate of registration.
Hemp Seed (Cannabis sativa L.) Proteins: Composition, Structure, Enzymatic Modification, and Functional or Bioactive Properties,Sustainable Protein Sources (Ch. 7), R.E. Aluko (2017).
Regulations are currently under consideration that could expand or otherwise modify the scope of protection available under each of the enumerated intellectual property protection schemes. Consult a licensed attorney for questions regarding the specific program that may apply to a particular set of circumstances.
On December 20, President Trump signed the Agriculture Improvement Act of 2018 (the Farm Bill) into law, which included an important change to the way federal agencies regulate hemp farming and production. The Farm Bill essentially removes hemp-derived cannabidiol (CBD) from the Controlled Substances Act in states that choose to regulate it. It strips the Drug Enforcement Agency’s (DEA’s) authority from outlawing hemp and gives states the ability to regulate hemp markets on their own, with approval from the United States Department of Agriculture (USDA).
This gives the USDA the authority to regulate hemp farming, providing for things like access to banks, insurance, grants, certifications and gets rid of the need for a pilot program, which was previously the case under the 2014 Farm Bill. It also defines hemp a little better, to include cannabinoids, derivatives and extracts.
According to Aaron Smith, executive director of the National Cannabis Industry Association (NCIA), the signing of the Farm Bill is a crucial step towards full legalization. “The lifting of the federal ban on non-psychoactive hemp is a concrete sign that the ‘reefer madness’ which first led to its criminalization is finally coming to an end,” says Smith. “This Farm Bill is a step in the right direction for comprehensive cannabis policy reform and will help fuel discussions in Congress about the best ways to end federal prohibition and create a regulated national cannabis market.”
However, one particularly important caveat needs to be mentioned: The Food and Drug Administration (FDA) still retains regulatory authority over CBD products. In a statement released the same day that the Farm Bill was signed, the FDA addressed their oversight capabilities. “We’ll take enforcement action needed to protect public health against companies illegally selling cannabis and cannabis-derived products that can put consumers at risk and are being marketed in violation of the FDA’s authorities,” reads the FDA statement. “The FDA has sent warning letters in the past to companies illegally selling CBD products that claimed to prevent, diagnose, treat, or cure serious diseases, such as cancer. Some of these products were in further violation of the FD&C Act [Federal Food, Drug and Cosmetics Act] because they were marketed as dietary supplements or because they involved the addition of CBD to food.”
The FDA also notes that there are circumstances “in which certain cannabis-derived compounds might be permitted in a food or dietary supplement.” That means they are exploring opportunities for companies to develop, manufacture and market legal CBD products without going through the extensive drug approval process.States need to establish programs approved by the USDA and companies need to cooperate with the FDA, taking the necessary steps to get their products and marketing approved.
In the food ingredients realm, they have already taken steps to approve hulled hemp seeds, hemp seed protein and hemp seed oil as generally recognized as safe (GRAS). “Therefore, these products can be legally marketed in human foods for these uses without food additive approval, provided they comply with all other requirements and do not make disease treatment claims,” reads the FDA statement.
The Farm Bill signing opened the doors for hemp cultivation and production in the United States. It allows farmers to access the same goods and services extended to other commodities farming, it makes conducting business easier across state lines, it will pave the way for more research into hemp as an effective medicine and helps to end the debate over hemp’s legality. But this doesn’t mean any business can just start producing and selling CBD products. States need to establish programs approved by the USDA and companies need to cooperate with the FDA, taking the necessary steps to get their products and marketing approved.
In the coming months and years, we will see which states decide to develop hemp cultivation programs and how the proliferation of hemp-derived products will evolve under FDA regulatory oversight.
According to a press release yesterday sent out by the National Hemp Association (NHA), on Wednesday, June 28th, Board Chairman Geoff Whaling met with senior U.S. Department of Agriculture staff, along with Erica McBride from the Pennsylvania Industrial Hemp Council. The press release says this is the first time that Agricultural Secretary Perdue has had his staff meet with the hemp industry. “The meeting reaffirmed critical elements of the working relationship that the hemp industry has established with the USDA since the enactment of Sec. 7606 of the 2014 Farm Bill,” reads the press release put out by the NHA.
The press release says the USDA will support hemp pilot projects, considering grant and loan applications and other means of funding under the USDA and NIFA. “All hemp industry participants are encouraged to participate in these funding opportunities,” says Whaling. “USDA confirmed that nine Industrial Hemp funding requests to NIFA are being processed and that USDA has encouraged those who submitted previous requests to resubmit them.”
“USDA also offered to provide a quick response to any Secretary or Commissioner of Agriculture who is looking for clarification on either the Farm Bill or SOP, which may be preventing the States that have enacted enabling Industrial Hemp legislation from advancing research,” says Whaling.
A big driver of the meeting was the support of the Industrial Hemp Farming Act of 2018 on behalf of the NHA. That bill, which Congressman James Comer (R-KY) plans on introducing in July, would essentially remove hemp from the Controlled Substances Act, allowing industrial cultivation of the plant. It also would set a THC limit and give states the power to regulate their own hemp industries.
“There is new leadership in the USDA, on the Hill and within our industry,” said Whaling. “I am confident that this group will advance our industry to a level never before achieved.”
The Organic Cannabis Association and Ethical Cannabis Alliance announced today they are merging into one organization, the Cannabis Certification Council (CCC), according to a press release. The new third-party certifications include “Organically Grown” and “Fairly Produced”, granting producers a seal for marketing if they achieve the certifications.
According to Ashley Preece of the Ethical Cannabis Alliance, now executive director at CCC, they plan on starting with the “Organically Grown” certification as first certification to market. “We are launching with Organically which will include robust labor standards as well as standards that go beyond [USDA] Organic,” says Preece. “The USDA Organic standard is watered down and we want to expand on proper horticulture practices so it relates directly to cannabis producers.” The process of designing that certification involves using that USDA Organic certification as a building block to draw from but not directly adopt.
“We will start by pulling from Organic and Fair Trade standards, then we will have a technical advisory committee (TAC), made up of multi-stakeholder agricultural industry and cannabis industry professionals to give input and adjust the standard accordingly,” says Preece. “From there we will have a pilot program, engaging with producers abiding by the standards’ requirements. After the pilot phase, we make final adjustments before bringing it to market.” In order to make sure their certification works across the board, Preece says they are engaging with stakeholders around the country and eventually globally. “We need to engage each different community to make sure this is applicable on a national level.” Preece also says they plan staying abreast of other standards, such as ASTM International’s, but those are geared more towards production safety. “We are looking towards more robust Organic and Fair Trade standards, and ‘cannabinizing’ them,” says Preece.
David Bronner, a prominent advocate of drug policy reform and CEO of Dr. Bronner’s, a top-selling soap brand in the US market place, will be providing seed funding and a matching grant to the CCC. “We are committed to making socially and environmentally responsible products of the highest value, and we are excited for the CCC to begin driving that ethos in the cannabis industry,” says Bronner. “The Cannabis Certification Council (CCC), with its unique mission, is a perfect vessel for us to support our values in the cannabis space.”
Preece says the “Fairly Produced” labor certification is going to be based off of Fair Trade practices. “That will include living wages per community and taking options of ownership into consideration, including different business models where employees might have shares or partial ownership,” says Preece. “As we know, this industry has come from the illicit market, where we saw a lot of inappropriate working environments, gender relations and pay schedules. So we want to ensure that workers have contracts in place, they are treated fairly just as any other industry and we want to mitigate any strange encounters that might have seeped into this regulated market.” Founding board members include Laura Rivero of Yerba Buena Farms; Amy Andrle of L’Eagle Services Denver; Nick Richards of Dill and Dill and Vicente Sederberg; and Ben Gelt of Par, with Ashley Preece as executive director. “This is a huge step for the cannabis industry,” says Preece. “Our collaboration reflects the priority of the mission ingrained in both parties, and together we will immediately be greater than the sum of our parts.”
Those that follow the legal cannabis industry are undoubtedly aware of the struggles of Colorado to regulate pesticide use on cannabis. At the time of this writing, there have been 19 recalls of products contaminated by pesticides in as many weeks. Authorities could not in all cases identify exactly how many units of products may have been tainted, but based on the numbers available, roughly 200,000 individual cannabis products, if not more, have been pulled from dispensary shelves. Along with these recalls have come a large amount of coverage and commentary from various news outlets, industry stakeholders, and even those companies who have had products pulled from shelves.
As this is a controversial and contentious subject, it can be difficult to parse and evaluate the various points of view being offered. In what follows, we will outline the issues at hand objectively: first providing a brief overview of federal and state pesticide regulations and how they pertain to cannabis; addressing claims of whether pesticide usage is “safe” or not; and, finally, offering our opinion of how the cannabis industry should address the pesticide conundrum considering the current regulatory environment and the state of our knowledge.
Before diving in, we are also aware that there is controversy around cannabis testing methodologies, and that the reliability of cannabis testing labs in general has been called into question by a number of the companies that have faced recalls. While we cannot comment on the operations of particular labs, we do support the application of consistent standards, proficiency evaluations, and stringent regulatory oversight to testing labs themselves, so that their results can be assured of being beyond reproach.
Still, 3C’s stance is that quality cannot be tested into a product. To have growers continue to produce contaminated cannabis only to see it recalled repeatedly is unsustainable for the industry; indeed, it threatens its very existence, as we discuss below. That is why we focus in this paper on the cultivation of the plant, as correcting problems on the production side is the only way to ultimately resolve the dilemma in which the industry finds itself.
Pesticide Regulation in the US Relative to Cannabis Cultivation
Cannabis’ pesticide problems stem in large part from the fact the pesticide regulation takes place at the federal level, under the auspices of the EPA. All pesticides undergo years of research and development before they can be sold to farmers and employed on crops. That research addresses questions such as where and how a pesticide can be employed, on what crops, in what concentrations, with what frequency, and how long before harvest can a pesticide be applied. Questions of worker safety are also addressed, such as those concerning what Personal Protective Equipment (PPE) might be required and how long workers must avoid treated areas (ReEntry Intervals), among other concerns.
The fruits of such studies are then distilled to the contents of a pesticide’s label, which must be registered with and approved by the EPA before a pesticide can be distributed for sale. Federal and state laws require that pesticides be applied according to label directions, making the label a legal document of sorts. “The label is the law,” is a phrase common among agricultural professionals with which the legal cannabis industry is becoming acquainted.
The sticking point in regard to cannabis is that, due to its federal illegality, no research has been performed on the use of pesticides on cannabis. Due to the lack of research, no pesticides registered currently with the EPA are labeled for use on cannabis. Since all pesticides must be applied according to label specifications, this essentially prohibits pesticide use in cannabis production. However, some labels are written in such a broad manner that the use of those pesticides could not be construed as a breach of the legally binding use directions. Additionally, certain pesticides are of such lowtoxicity that the EPA has deemed that their registration is not required; these are known as minimum risk products under section 25(b) of the Federal Insecticide, Fungicide, and Rodenticide Act (FIFRA). At this time, the Colorado Department of Agriculture (CDA), in an attempt to offer guidance to cannabis growers, is maintaining a list of such products that, either due to broad label language or 25(b) status, may be used on cannabis without that use being a violation of the label.
Are Pesticides Safe for Use on Cannabis?
Since the first plants to be quarantined after discoveries of improper, off-label pesticide use to the most recent recalls, some of the Colorado cannabis companies caught up in those enforcement actions have made public statements claiming that their products are safe. These statements are dangerously misleading, as they do not take into account the issues laid out above, nor the facts that follow.
Frequently, attempts to justify such claims point out that pesticides are employed on our food and therefore must be okay to apply to cannabis as well. This is a classic case of comparing apples to oranges; or, in this case, comparing apples and oranges to cannabis. Such data cannot be bridged for the simple reason that apples and oranges (and most other agricultural food crops) are not smoked. Smoking remains the primary method of cannabis ingestion, but cannabis products are also vaporized (concentrates), consumed (edibles), applied to the skin (topical creams and patches), and taken sublingually (tinctures, sublingual strips).
As noted, the studies that pesticides must undergo prior to being approved by the EPA involve measuring acceptable residues based on the method of consumption of the final product. Since most food is consumed and digested, few pesticides on the market have undergone pyrolysis studies, which examine how the chemical structures of pesticides degrade when burned. This means that while the fungicide myclobutanil, the active ingredient in Eagle 20EW, may be approved for use on grapes, that approval is meaningless in regard to cannabis, as grapes are not smoked and the relative safety of myclobutanil residues was not tested in regard to such a consumption method.
While studies may eventually reveal that certain pesticides may be used on cannabis without ill effects to the end users, such research has not been performed and no one can say with certainty what the effects of consuming cannabis containing pesticide residues might be. Even the CDA qualifies the list of products that may be used without violating labeling guidelines with the following statement, “These products have not been tested to determine their health effects if used on marijuana that will be consumed and thus the health risks to consumers is unknown.”
Again, no one can currently say what pesticides, if any, can be safely employed on cannabis; anyone claiming definitively that their products are safe despite off-label pesticide use is making a statement that at this time lacks any scientific basis whatsoever.
Another claim made numerous times by companies defending their off-label pesticide use is that no one has yet fallen ill from pesticide use on cannabis. While this is true, we must remember that we are in uncharted territory, and no largescale public health studies have been done to determine what, if any, effects result from consuming cannabis to which pesticides were applied. We hope that no ill effects will surface, but the fact of the matter is that chronic health issues may take years to show themselves and a public health crisis may yet emerge.
Recommendations for the Cannabis Industry
We are advocates for cannabis legalization and want to see this industry grow and develop into one that is beneficial for all involved. We believe that cannabis can continue to be a force for positive change in numerous areas of society, from medicine to criminal justice to agriculture, and beyond. But, in order for it to do so, we must navigate issues such as those around pesticide use in an intelligent and responsible manner.
Our primary recommendation should be preceded by the statement that the use of chemical pesticides of the type triggering Colorado’s recalls is not needed in cannabis production. We make this statement based on years of experience working in, managing, and advising cultivation operations of all types, methodologies, and scales on how to grow successfully without illegal pesticides. Cannabis has survived and flourished throughout human history without pesticides, and will continue to do so if we cultivate it correctly.
As such, we recommend that growers not employ any pesticides in a manner that violates label directions, and only use 25(b) products that have undergone pyrolysis testing to ensure that they are not releasing harmful compounds when burned. Furthermore, applications should only be made during the vegetative stage, prior to the emergence of flowers. Overall, if there is any doubt as to whether a product or material is safe, it should not be used until legitimate, peer-reviewed research has been performed by a reputable institution.
Successful pest control can be achieved via intelligent facility design, robust environmental controls, workflow protocols, and strict cleanliness standards, in addition to preventative applications of appropriate minimum risk pesticides. There is no magic bullet that will solve all pest problems, which is why experienced agricultural professionals rely on Integrated Pest Management (IPM), defined as “an ecosystem-based strategy that focuses on longterm prevention of pests or their damage through a combination of techniques such as biological control, habitat manipulation, modification of cultural practices, and use of resistant varieties.” Overall, the adoption of Good Agricultural Practices (GAP) is much needed in the industry, and cannabis growers should look to agricultural operations that promote the four pillars of GAP standards (economic viability, environmental sustainability, social acceptability, and safety and quality of the final product) for guidance in formulating best practices in this new field.
This recommendation is not simply a matter of principle, but one that will preserve your business. In addition to costly and brand-damaging recalls, we have already seen the first product liability lawsuits filed last year against LivWell by cannabis consumers over offlabel pesticide use. Another issue is that of worker safety. Most cannabis cultivation takes place indoors, where pesticide residues can linger in garden areas and on equipment, creating toxic work environments. Unfortunately, based on the widespread nature of pesticide use in the legal cannabis industry, we feel confident in stating that thousands of workers employed in legal cannabis cultivation operations have applied chemical pesticides without proper PPE or safety training. Businesses employing pesticides off-label will likely find themselves subject to liability claims from workers, as well as consumers, in the relatively near future.
In closing, the bottom line is that applying pesticides off-label is a violation of state and federal law and could result in criminal and civil sanctions, should regulators and affected parties choose to pursue them.
It must also be noted that off-label pesticide use threatens the industry as a whole. Point six of the Cole Memorandum states that the federal government will not make the enforcement of the Controlled Substances Act a priority as long as the “exacerbation of (…) public health consequences associated with marijuana use” is prevented. The emergence of a public health problem would be a violation of the Cole Memo and it could be argued that the current situation unfolding in Denver is already a violation and could trigger federal intervention against states that have legalized cannabis. In this light, the Denver Department of Environmental Health, which is driving the recalls, has not “launched a campaign against legal cannabis,” as a company recently subject to a recall claimed, but is actually acting as a bulwark against a potentially serious Cole Memo violation that could shutter the entire industry.
Based on the current situation, the cannabis industry must come together to denounce and eliminate off-label pesticide use. In order to ensure the health of patients, consumers, workers, and the industry itself, we must seize this opportunity to grow without chemicals that are currently illegal, potentially very harmful, and ultimately not even necessary.
By Aaron G. Biros, Matthew A. Karnes, CPA 1 Comment
According to Matthew Karnes, founder and managing partner of GreenWave Advisors, LLC, looking toward the growth of the cannabis industry requires analysis of the changes in state and federal laws. “Eventual rescheduling or de-listing of marijuana as a federally prohibited drug, will hopefully lead to consistent and uniform national regulation and taxing authorizations that will ultimately change the structural and economic landscape of the industry,” says Karnes in an article here.
Looking at the sales trends in current legal states is a viable option to make financial projections, but much of that relies on the changing legal and political landscape of our country. According to Karnes, because it is impossible to accurately predict federal rescheduling or full legalization, investors must look at short, medium and long term trends to guide their decision making process. Cannabis Industry Journal sat down with Matthew Karnes to discuss some of the foreseeable trends.
Cannabis Industry Journal: What are some of the trends happening presently, that you can expect to continue?
Matthew Karnes: Just as states continue to pass legislation in some form of legalization measure, there is talk at the federal level of minimizing interference with state policies and removing prohibition statutes. We can see this national progression continuing until rescheduling cannabis eliminates the current obstructions that have limited industry growth.
Where states continue to roll out legislation to legalize cannabis, the rate of retail and cultivation license granting will have a large effect on the growth rates for each given state. Free market approaches as seen in Colorado and California will allow for faster growth rates than more restrictive states.
Recreational and adult use measures being introduced are notable disruptions in the medical sector that once fueled legalization. Medical research and development of strains for specific ailments is still in its early stages due to the impact of federal policy on research.
With an eye forward to eventual federal rescheduling or possible de-listing it is reasonable to assume that uniform national testing and operational standardization protocols will eventually be implemented at least as a baseline binding thread that will steadfastly assure consumers of an expectant consistency of product.
CIJ:Where do you see medium term trends taking the industry?
Matt: With more and more states legalizing cannabis in some form, we can expect the federal government to make a policy change. This will be accomplished via a DEA policy change or through congressional avenues in conjunction with federal agencies like the FDA, USDA and Department of Agriculture administering regulations.
With FDA or Department of Agriculture implementing cannabis policies, we can expect increased interest from outside the industry in research and development of cannabis-based drugs. This will lead to a medical market with more targeted medicine with precise dosing. We can expect more physicians to gain comfort in treating ailments with cannabis as well.
The recreational market will expand greatly with normalized commerce, enabling larger cultivation operations and infused products brands could grow to the national scale with interstate commerce.
CIJ: Where do you see the industry going long term?
Matt: When the cannabis industry matures down the road, we can expect multiple offshoots occurring. The recreational industry will involve local, regional and national policy much like the alcohol industry, and will likely resemble a liquor store model with individual “mom and pop” type businesses.
We anticipate that the medical market will recalibrate as more targeted products with precise dosing and efficacy are developed. At that point it will experience increased competition and consolidation. Without medical research and clinical trials, we cannot accurately project the growth of the medical sector.
Regulations involving tax revenue will most likely use a similar mechanism that states use for alcohol and tobacco taxation. Entities like state liquor control boards will oversee cannabis regulations. When that time comes, the cannabis industry will no longer be a novel idea and will become another conventional ‘consumer staple.’
Clean Green Certified is a third-party certification program that incorporates aspects of the USDA’s National Organic Program (NOP), international organic programs and sustainable farming practices. Cannabis is not eligible for USDA organic certification because it is not a federally recognized crop, so Clean Green Certified is the closest certification nationally available. More than 200 cultivators are currently Clean Green Certified in California, Oregon, Washington, Colorado and Nevada.
Chris Van Hook, attorney and founder of Clean Green Certified, started the program in 2004 out of requests from growers to certify their cannabis as organic. Van Hook has decades of experience working in environmental law and USDA organic certifications. “About 95% of the Clean Green Certification is based on the USDA’s NOP,” says Van Hook. “The Clean Green Certified cannabis farmer would be eligible for an organic certification as soon as it becomes available, so we are helping the industry get accustomed to the regulations, inspections, and audits that come with getting organically certified.”
Getting Clean Green Certified requires an initial application. Upon inspection, Van Hook’s program examines all the inputs, including water and energy usage, nutrients, pesticides, and soil, along with inspecting the actual plants for agricultural vitality. “We follow the plants from seed to when it is harvested, checking for clean surfaces and containers, as well as drying, curing, trimming, and processing practices,” says Van Hook. “Just like organic farming, the cultivator needs to be an engaged manager and heavily involved with the plants. Much more monitoring is involved to prevent pest problems from getting out of control without using pesticides.”
The initial screening process takes into consideration traceability and legal compliance, which in cultivation and processing alike is an eligibility requirement. “We use USDA organic standards as guidance for processor facility reviews as well, which include concentrates and edibles manufacturers, breaking it down to labeling, food handling, standard operating procedures, mock recalls, and more,” says Van Hook.
“In a market so used to a lack of oversight, there definitely are some challenges, but we are bringing the necessary agricultural and food handling regulations into the cannabis industry,” adds Van Hook.
The option to grow organically and acquire a third party certification for it can benefit cultivators across the country looking to market their product as environmentally sustainable and pesticide-free.
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