Tag Archives: food

Steven Burton
Soapbox

Which Safety Standards Work Best for the Cannabis Industry?

By Steven Burton
No Comments
Steven Burton

Now that governments are legalizing cannabis around the world, the question looms for cannabis businesses seeking legitimacy in the new industry: what safety standards should apply? This question is more difficult as different jurisdictions grapple with defining and implementing legal requirements and struggle to keep up with the pace of growth.

For visionary cannabis business, it makes sense to anticipate requirements – not only from governments, but also from consumers and partners. Most regulations currently focus on security and basic health issues but, in the long-term, the industry that may offer the best model for cannabis businesses isn’t pharmaceuticals, but food. Cannabis (especially edibles) share similar hazards and traceability challenges with food products, so taking the lead from the food industry will be much more applicable and could offer greater benefits.

marijuana buds drying in racks biotrackthc
Dried cannabis curing with RFID tags as part of a traceability system.

Companies that achieve the highest and most flexible certification will enjoy a crucial competitive advantage when it comes to winning market share, popularity and consumer trust. Let’s take a quick look at the different options of food safety (and quality) certifications that cannabis businesses may consider. But first, let’s clarify two important definitions that are necessary to understand the food industry.

Basic Concepts from the Food Industry

The first acronym you should be aware of is GFSI, the Global Food Safety Initiative. GFSI is a food industry-driven global collaboration body created to advance food safety. When it comes to understanding GFSI, the important part to note is that certifications recognized by GFSI (like SQF, FSSC 22000, and BRC) are universally accepted. Companies operating under GFSI-recognized certifications open the most doors to the most markets, providing the highest potential for growth. For this reason, cannabis companies should be aware of and seriously consider seeking GFSI certifications

HACCPSecondly, many food safety programs are built around Hazard Analysis Critical Control Points, or HACCP. While many people may talk about HACCP like it’s a certification in and of itself, it is not actually a certification like the others on this list, but rather a methodology that helps companies systematically identify and control biological, chemical, and physical hazards that may arise during food production, handling, and distribution. Companies that adopt this methodology end up with a HACCP plan, which must then be followed at all times to avoid and address health and safety issues. It’s often required for food businesses and is generally required in most of the world, except where ISO 22000 is more common, primarily in Europe and countries whose primary export market is European. Since HACCP plans are also incorporated into most of the other achievable certifications, developing a HACCP program early will build a strong foundation for higher levels of certification.

Certifications for the Cannabis Industry

Now that we understand the basics of GFSI and HACCP, we can see how the certifications that have been developed by and for the food industry may apply to cannabis companies – and which you should consider necessary for your business.

GMP: Good Manufacturing Practice Certification

GMP (or sometimes cGMP) certification requires that companies abide by a set of good manufacturing processes for food and beverage products, pharmaceuticals, cosmetics, dietary supplements and medical devices. Since it really only covers basic sanitation and employee hygiene, it is considered the lowest level of certification in the industry. It is not recognized by GFSI, but GFSI does require all the standard benchmarks of a GMP be met before granting GFSI certification.

While GMP certification is often required, it is far below the standard that should be upheld by any serious businesses. It doesn’t cover many of the different types of hazards associated with food production – that I have argued will become increasingly relevant to cannabis producers – and doesn’t provide a systematic approach to identifying and controlling hazards like a HACCP program would. It’s really just about providing the basic procedures and checks to ensure that the facility is clean and that employees aren’t contaminating the products.GMP

Final Verdict: Recommended, but as the bare minimum. GMP is not sufficient on its own to adequately control the risk of recalls and foodborne illness outbreaks, and it limits a company’s market potential because it lacks the GFSI worldwide stamp of approval.

Some companies consider GMP certification a good place to start if you’re on a tight deadline for distribution in markets where only GMP is required by regulators. I would argue that striving for the minimum standards will be costly in the long run. Health, safety and quality standards are the foundations upon which winning companies are built. It’s critical to develop a corporate culture that will lead to GFSI-recognized programs without major organizational overhaul. Start on the right foot and set your sights higher – obtain a certification that will stand the test of time and avoid the pain and risks of trying to change entrenched behaviors.

SQF: Safe Quality Food Program Certification

SQF is my number one recommendation as the best certification for the cannabis industry. One of the most common certifications in North America, SQF is a food safety management system recognized by retailers and consumers alike. It is administered by the Food Marketing Institute (FMI) and, importantly, recognized by GFSI, which gives companies a huge competitive edge. SQF focuses on the whole supply chain.

SQF was also the first to develop a cannabis program and is currently the leader in this market segment. It is also the scheme that best integrates food safety with quality. Since it is recognized worldwide, SQF provides the greatest leverage to accelerate a company’s growth. Once obtained, products with SQF certification can often jump the queue to enter different regulatory markets.

Final verdict: Highly recommended. A cannabis company with an SQF certification has the greatest advantage because it offers the broadest worldwide reach and keeps companies a step ahead of competitors. It’s also achievable – just this past April, Curaleaf Florida ostensibly became the first cannabis company to achieve SQF certification. It is tough, but fair and practical.

Other Certification Standards

SQF is the top certification that should be considered by cannabis companies, especially outside of Europe. However, the food industry has several other major types of standards that, at this time, have limited relevance to the cannabis industry today. Let’s take a quick look.

When considering GFSI-recognized programs, the main choice for food companies is between SQF, which we’ve covered, and BRC (the British Retail Consortium Certification). BRC has the most in common with SQF but, while SQF was originally developed for processed foods, BRC was developed in the UK for meat products. Today, they are quite similar, but BRC doesn’t focus quite as much on the quality component as SQF does. While BRC could be a good option, they don’t have a program for cannabis and, thus far, do not appear to be as friendly toward the cannabis industry.The food industry has a lot to offer cannabis companies that are anticipating future regulatory changes and market advantages 

Across the pond, there are a few other certification standards that are more common than SQF. One of these is ISO 22000, which is the certification for the food-related standard created by the International Organization for Standardization (ISO) in Europe. It is not recognized by GFSI but is the primary system used in Europe. If your market is exclusively in the EU, it might be a good choice for you in the future. However, to date, there is no indication that any cannabis company has achieved ISO 22000 certification. Some cannabis companies have attained certification for other ISO standards like ISO 9001:2015, which specifies requirements for quality control systems, and ISO/IEC 17025 for laboratory testing. These are generally more relevant for the pharmaceutical industry than food and beverage, but still apply to cannabis.

There is the perception that cannabis is more accepted in EU countries like the Netherlands, but the regulatory attitude to cannabis is complicated. In the Netherlands, for example, cannabis isn’t actually legal – “coffee shops” fall under a toleration policy that doesn’t include regulation. Medical cannabis in the Netherlands is all produced by one supplier and several countries in the EU allow for licensed distribution and import, but not domestic production. Various EU countries are trying to keep up with the legalization trend, however. The Czech Republic, Germany, and others all recently introduced legislation for domestic production of cannabis for medical use. For companies with their eye on the EU, it is crucial to watch which regulatory requirements will be implemented in each market and how.

The last certification standard to mention is the result of a compromise between ISO and the more HACCP oriented programs like SQF. FSSC 22000 (Food Safety System Certification) tries to address the gaps between ISO 22000 and GFSI-recognized certifications by introducing another component called PAS 220. Since it is recognized by GFSI, FSSC 22000 is starting to get more traction in the food industry because it makes products a bit easier to export to the EU. FSSC 22000 satisfies the EU ISO standards but isn’t as closely tied to HACCP. We will be keeping an eye on this one.

Final Takeaway

The food industry has a lot to offer cannabis companies that are anticipating future regulatory changes and market advantages – but it’s difficult for cannabis companies to understand all the options available and how each apply to their specific products. While markets adjust beyond the preliminary issue of legality, it’s crucial for companies to look forward and comply with safety and quality standards like SQF. Companies who strive for SQF certification (or other GFSI-recognized certifications as they become available) will find themselves far better prepared to seize market share as cannabis markets blossom.

Schebella, Celia photo

Designing the Perfect Cannabis Edible in California

By Celia Schebella
1 Comment
Schebella, Celia photo

Are you a product designer in the edible cannabis market? Well, you live at the intersection of the food and pharmaceutical industries and need to know both worlds, utilizing best-practice product development principles, regardless of which industry you are working in. In the cannabis industry, this means knowing your chemistry principles, food science, food safety, Good Manufacturing Practices (GMPs, applicable to the food industry) along with the more intense records and documentation requirements of the pharmaceutical industry.

California is the most recent state to implement legal recreational cannabis. It is estimated to deliver $7.7B in sales by 2021, including a reduction of medical use cannabis and an uptake of adult recreational use. How often do you live at the inception of such a potentially enormous market? Not often, so product developers, here is an opportunity. However, with that opportunity comes the responsibility. A recent emergency legislation adopted by the California Cannabis Safety Branch states:

Operational Requirements Licensees must have written procedures for inventory control, quality control, transportation, security and cannabis waste disposal. Descriptions of these procedures or Standard Operating Procedures (SOPs) must be submitted with the annual license application. Cannabis waste cannot be sold, must be placed in a secured area and be disposed of according to applicable waste management laws. Good manufacturing practices must be followed to ensure production occurs in a sanitary and hazard-free environment, cannabis products are contaminant free and THC levels are consistent throughout the product and within required limits. Extractions using CO2 or a volatile solvent must be conducted using a closed-loop system, certified by a California-licensed engineer. Volatile, hydrocarbon-based solvents must have at least 99% purity. Finally, volatile solvent, CO2 and ethanol extractions must be certified by the local fire code official.

Part of this emergency legislation for all California cannabis product manufacturers is the newly published GMP requirements, which appear to be a combination of food, supplements and HACCP requirements. Helpful resources to learn more about this new California emergency legislation impacting cannabis product manufacturers can be found at the California Manufactured Cannabis Safety Branch with the details of the emergency cannabis regulations.

Once developers have decided on a product, research and education to develop a good understanding of the regulatory environment is a must. For example, in order to develop compliant cannabis edibles, compliance with state, and in some cases local regulations, for food and cannabis must be met. Proactive compliance is a big part of designing a successful product in the most efficient manner.The attention to detail here will create a safe and satisfying experience for consumers as they receive a consistent product every time.

As a product developer you must first know the incoming cannabis plant characteristics to determine what type of cannabinoids they contain to determine what types you wish to source. This requires a strong and well documented  supplier program that can identify reliable suppliers of high purity and consistent cannabis raw materials, the same principles that are typically required of food manufacturers. When looking for examples of credible ingredient supplier programs, looking at those used by the food industry is a good start. Make sure supplier management programs apply to all the raw materials and direct-contact packaging that you plan to use in your new product.

Once reliable sources of raw material have been secured, the next challenge is to conduct periodic tests of cannaboids levels found in your incoming cannabis. With this information, you need to adjust blending amounts to reflect the correct cannaboid dose in the finished ready-to-eat (RTE) product. Like any other medicinal product, the active ingredient dosage will directly impact the effect on the consumer, thus it is important that you, the manufacturer, are completely aware of the exact cannaboid levels in your incoming ingredients, your blending amounts and your final product levels. This will require a robust either in-plant or commercial laboratory testing program. There is a great deal of technology and chemical analyses available to help dose the product accurately. This must also include robust testing and verification steps. If a consumer of your product were to over-consume from “normal” consumption rates of your cannabis-based food product, the liability, both financial, civil, ethical and criminal would fall on your company. The attention to detail here will create a safe and satisfying experience for consumers as they receive a consistent product every time.

design your products with commercial manufacturing viability in mindOnce regulatory responsibilities for manufacturing and marketing a cannabis-based food product have been met, so that you may sell a compliant and consistent product, it is time to add some creative juices and make the product interesting and enjoyable to consumers. With cannabis edibles, for example, explore what sort of food is appealing to consumers. Consider when, where and with whom your potential customers would be eating that food. Evaluate the best packaging design and size to suit the occasion. Ensure the packaging is child resistant yet practical for adult consumers. And above all manufacture a food that is delicious. Curiosity will attract your customers for the first time but quality and consistency will keep them coming back.

Product developers are usually fantastic at developing great lab scale products, but part of a developer’s job is to ensure that the design and manufacturing process is scalable for consistent and compliant commercial manufacturing. So design your products with commercial manufacturing viability in mind. Try to minimize the number of ingredients whilst still making a consumer-desirable product. Finally, rationalize your ingredients across your portfolio to avoid overcrowding the warehouse and risking expired ingredients.

If successful, your consumers will desire your product, your compliance team will be satisfied, your manufacturing partners will be thankful, the State of California will determine that you are fully compliant and your sales team’s job will have great business and professional success. In the end, you will have developed and launched a successful legacy product!

#whatsinmyweed campaign

CCC Launches #WhatsInMyWeed Campaign

By Aaron G. Biros
No Comments
#whatsinmyweed campaign

“Your tomatoes are organic. What about your weed?” The language on their homepage is clear: Consumers should seek the same high standards in their cannabis just as they do with food.

Earlier in the month, The Cannabis Certification Council (CCC), a nonprofit that promotes organic and fair trade practices in the cannabis industry, announced the launch of their #WhatsInMyWeed campaign. The consumer education initiative is designed to draw parallels between what buying choices people make in food and cannabis.

#whatsinmyweed campaignThe consumer-facing idea is to produce videos and ads that make people question the ethics and environmental sustainability of their cannabis, just as they do when purchasing organic, fair trade-certified produce. According to Amy Andrle, owner of L’Eagle Services in Denver and board member with the CCC, the campaign should benefit cannabis companies that produce ethical and sustainable products. “This campaign is long overdue and much needed to alert consumers about the quality of their cannabis and begin to reward producers of organic, fair trade, sustainable and other high quality and integrity products just as they are in other consumer categories,” says Andrle. “We believe the campaign and accompanying website will drive demand and increase transparency in the cannabis industry.”

According to the press release, the website has a listing of cannabis certifications currently available now, information about them and where consumers can find certified products. Companies can sign up for the #WhatsInMyWeed Pledge as well to let consumers know they produce clean products.

Soleil control panel

IoT & Environmental Controls: urban-gro Launches Soleil Technologies Portfolio

By Aaron G. Biros
No Comments
Soleil control panel

Back in November of 2017, urban-gro announced the development of their Soleil Technologies platform, the first technology line for cannabis growers utilizing Internet-of-Things (IoT). Today, urban-gro is announcing that line is now officially available.

Soleil control panel
Screenshot of the data you’d see on the Soleil control panel

The technology portfolio, aimed at larger, commercial-scale growers, is essentially a network of monitors, sensors and controls that give cultivators real-time data on things like temperature, humidity, light, barometric pressure and other key factors. The idea of using IoT and hypersensitive monitoring is not new to horticulture, food or agriculture, but this is certainly a very new development for the cannabis growing space.

sensor
Substrate sensors, used for monitoring Ph, soil moisture & electrical conductivity.

According to Brad Nattrass, chief executive officer and co-founder of urban-gro, it’s technology like this that’ll help growers control microclimates, helping them make the minor adjustments needed to ultimately improve yield and quality. “As ROI and optimized yields become increasingly important for commercial cultivators, the need for technologies that deliver rich granular data and real-time insights becomes critical,” says Nattrass. “With the ability to comprehensively sense, monitor, and control the microclimates throughout your facility in real-time, cultivators will be able to make proactive decisions to maximize yields.”

heat map
The heat map allows you to find problem microclimates throughout the grow space.

One of the more exciting aspects of this platform is the integration of sensors, and controls with automation. With the system monitoring and controlling fertigation, lighting and climate, it can detect when conditions are not ideal, which gives a cultivator valuable insights for directing pest management or HVAC decisions, according to Dan Droller, vice president of corporate development with urban-gro. “As we add more data, for example, adding alerts for when temperatures falls or humidity spikes can tell a grower to be on the lookout for powdery mildew,” says Droller. “We saw a corner of a bench get hot in the system’s monitoring, based on predefined alerts, which told us a bench fan was broken.” Hooking up a lot of these nodes and sensors with IoT and their platform allows the grower to get real-time monitoring on the entire operation, from anywhere with an Internet connection.

soleil visuals
Figures in the system, showing temperature/time, humidity/time and light voltage

Droller says using more and more sensors creates super high-density data, which translates to being able to see a problem quickly and regroup on the fly. “Cannabis growers need to maintain ideal conditions, usually they do that with a handful of sensors right now,” says Droller. “They get peace of mind based on two or three sensors sending data points back. Our technology scales to the plant and bench level, connecting all of the aggregate data in one automated system.”

In the future, urban-gro is anticipating this will lay the groundwork for using artificial intelligence to learn when controls need to be adjusted based on the monitoring. Droller hopes to see the data from environmental conditions mapped with yield and by strain type, which could allow for ultra-precise breeding based on environmental conditions. “As we add more and more data and develop the platform further, we can deliver some elements of AI in the future, with increased controls and more scientific data,” says Droller.

HACCP

Hazard Analysis and Critical Control Points (HACCP) for the Cannabis Industry: Part 3

By Kathy Knutson, Ph.D.
2 Comments
HACCP

Parts One and Two in this series have defined Good Manufacturing Practices, introduced Hazard Analysis and Critical Control Points (HACCP) and explained the first HACCP step of hazard analysis. A food safety team will typically work from a flow diagram to identify biological, chemical or physical hazards at each step of processing and packaging. Once the hazard is identified, the severity and probability are debated. Hazards with severe consequences or high probability are carried through the HACCP plan as Critical Control Points (CCPs).

Critical Control Points definedHACCP is a do-it-yourself project.

Where exactly will the hazard be controlled? CCPs are embedded within certain steps in processing and packaging where the parameters, like temperature, must be met to ensure food safety. Failure at a CCP is called a deviation from the HACCP plan. The food safety team identifies where manufacturing problems could occur that would result in a product that could cause illness or injury. Not every step is a CCP! For example, I worked with a client that had several locations for filters of a liquid stream. The filters removed food particles, suspended particulates and potentially metal. We went through a virtual exercise of removing each filter one-by-one and talking through the result on controlling the potential hazard of metal. We agreed that failure of the final filter was the CCP for catching metal, but not the other filters. It was not necessary to label each filter as a CCP, because every CCP requires monitoring and verification.

Identification of a CCP starts more documentation, documentation, documentation.

Do you wish you had more reports to write, more forms to fill out, more data to review? No. Nobody wants more work. When a CCP is identified, there is more work to do. This just makes sense. If a CCP is controlling a hazard, you want to know that the control is working. Before I launch into monitoring, I digress to validation.

CCP validationThis is where someone says, “We have always done it this way, and we have never had a problem.”

You want to know if a critical step will actually control a hazard. Will the mesh of a filter trap metal? Will the baking temperature kill pathogens? Will the level of acid stop the growth of pathogens? The US had a major peanut butter recall by Peanut Corporation of America. There were 714 Salmonella cases (individuals) across 46 states from consumption of the contaminated peanut butter. Imagine raw peanuts going into a roaster, coming out as roasted peanuts and being ground into butter. Despite the quality parameters of the peanut butter being acceptable for color and flavor, the roasting process was not validated, and Salmonella survived. Baking of pies, pasteurization of juice and canning all rely on validated cook processes for time and temperature. Validation is the scientific, technical information proving the CCP will control the hazard. Without validation, your final product may be hazardous, just like the peanut butter. This is where someone says, “We have always done it this way, and we have never had a problem.” Maybe, but you still must prove safety with validation.

The hazard analysis drives your decisions.

Starting with the identification of a hazard that requires a CCP, a company will focus on the control of the hazard. A CCP may have one or more than one parameter for control. Parameters include time, temperature, belt speed, air flow, bed depth, product flow, concentration and pH. That was not an exhaustive list, and your company may have other critical parameters. HACCP is a do-it-yourself project. Every facility is unique to its employees, equipment, ingredients and final product. The food safety team must digest all the variables related to food safety and write a HACCP plan that will control all the hazards and make a safe product.

Meeting critical limits at CCPs ensures food safety

The HACCP plan details the parameters and values required for food safety at each CCP.The HACCP plan identifies the minimum or maximum value for each parameter required for food safety. A value is just a number. Imagine a dreadful day; there are problems in production. Maybe equipment stalls and product sits. Maybe the electricity flickers and oven temperature drops. Maybe a culture in fermentation isn’t active. Poop happens. What are the values that are absolutely required for the product to be safe? They are often called critical limits. This is the difference between destroying product and selling product. The HACCP plan details the parameters and values required for food safety at each CCP. In production, the operating limits may be different based on quality characteristics or equipment performance, but the product will be safe when critical limits are met. How do you know critical limits are met?

CCPs must be monitored

Every CCP is monitored. Common tools for monitoring are thermometers, timers, flow rate meters, pH probes, and measuring of concentration. Most quality managers want production line monitoring to be automated and continuous. If samples are taken and measured at some frequency, technicians must be trained on the sampling technique, frequency, procedure for measurement and recording of data. The values from monitoring will be compared to critical limits. If the value does not reach the critical limit, the process is out of control and food safety may be compromised. The line operator or technician should be trained to know if the line can be stopped and how to segregate product under question. Depending on the hazard, the product will be evaluated for safety, rerun, released or disposed. When the process is out of control, it is called a deviation from the HACCP plan.

A deviation initiates corrective action and documentation associated with the deviation. You can google examples of corrective action forms; there is no one form required. Basically, the line operator, technician or supervisor starts the paperwork by recording everything about the deviation, evaluation of the product, fate of the product, root cause investigation, and what was done to ensure the problem will not happen again. A supervisor or manager reviews and signs off on the corrective action. The corrective action form and associated documentation should be signed off before the product is released. Sign off is an example of verification. Verification will be discussed in more detail in a future article.

My thoughts on GMPs and HACCP were shared in a webinar on May 2nd hosted by CIJ and NEHA. Please comment on this blog post below. I love feedback!

control the room environment

Environmental Controls: The Basics

By Vince Sebald
No Comments
control the room environment

The outside environment can vary widely depending on where your facility is located. However, the internal environment around any activity can have an effect on that activity and any personnel performing the activity, whether that’s storage, manufacturing, testing, office work, etc. These effects can, in turn, affect the product of such activities. Environmental control strategies aim to ensure that the environment supports efforts to keep product quality high in a manner that is economical and sensible, regardless of the outside weather conditions.

For this article, let us define the “environment” as characteristics related to the room air in which an activity is performed, setting aside construction and procedural conditions that may also affect the activity. Also, let us leave the issue of managing toxins or potent compounds for another time (as well as lighting, noise, vibration, air flow, differential pressures, etc). The intent here is to focus on the basics: temperature, humidity and a little bit on particulate counts.

Temperature and humidity are key because a non-suitable environment can result in the following problems:

  • Operator discomfort
  • Increased operator error
  • Difficulty in managing products (e.g. powders, capsules, etc)
  • Particulate generation
  • Degradation of raw materials
  • Product contamination
  • Product degradation
  • Microbial and mold growth
  • Excessive static

USP <659> “Packaging and Storage Requirements” identifies room temperature as 20-25°C (68-77 °F) and is often used as a guideline for operations. If gowning is required, the temperature may be reduced to improve operator comfort. This is a good guide for human working areas. For areas that require other specific temperatures (e.g. refrigerated storage for raw materials), the temperature of the area should be set to those requirements.

Humidity can affect activities at the high end by allowing mold growth and at the low end by increasing static. Some products (or packaging materials) are hydroscopic, and will take on water from a humid environment. Working with particular products (e.g. powders) can also drive the requirement for better humidity control, since some powders become difficult to manage in either high or low humidity environments. For human operations without other constraints, a typical range for desirable humidity is in the range of 20 to 70% RH in manufacturing areas, allowing for occasional excursions above. As in the case of temperature, other requirements may dictate a different range.

control the room environment
In some cases, a locally controlled environment is a good option to reduce the need to control the room environment as tightly or to protect the operator.

In a typical work environment, it is often sufficient to control the temperature, while allowing the relative humidity to vary. If the humidity does not exceed the limits for the activity, then this approach is preferred, because controlling humidity adds a level of complexity (and cost) to the air handling. If humidity control is required, it can be managed by adding moisture via various humidification systems, or cooling/reheating air to remove moisture. When very low humidity is required, special equipment such as a desiccant system may be required. It should be noted that although you can save money by not implementing humidity control at the beginning, retrofitting your system for humidity control at a later time can be expensive and require a shutdown of the facility.

Good engineering practice can help prevent issues that may be caused by activities performed in inappropriately controlled environments. The following steps can help manage the process:

  • Plan your operations throughout your facility, taking into account the requirements for the temperature and humidity in each area and know what activities are most sensitive to the environment. Plans can change, so plan for contingencies whenever possible.
  • Write down your requirements in a User Requirement Specification (URS) to a level of detail that is sufficient for you to test against once the system is built. This should include specific temperature and RH ranges. You may have additional requirements. Don’t forget to include requirements for instrumentation that will allow you to monitor the temperature and RH of critical areas. This instrumentation should be calibrated.
  • Solicit and select proposals for work based on the URS that you have generated. The contractor will understand the weather in the area and can ensure that the system can meet your requirements. A good contractor can also further assist with other topics that are not within the scope of this article (particulates, differential pressures, managing heating or humidity generating equipment effects, etc).
  • Once work is completed, verify correct operation using the calibrated instrumentation provided, and make sure you add periodic calibration of critical equipment, as well as maintenance of your mechanical system(s), to your calibration and maintenance schedules, to keep everything running smoothly.

The main point is if you plan your facility and know your requirements, then you can avoid significant problems down the road as your company grows and activity in various areas increases. Chances are that a typical facility may not meet your particular requirements, and finding that out after you are operational can take away from your vacation time and peace of mind. Consider the environment, its good business!

The Necessity of Food Safety Programs in Cannabis Food Processing

By Gabe Miller
No Comments

When processing cannabis, in any form, it is critical to remember that it is a product intended for human consumption. As such, strict attention must also be paid to food safety as well. With more and more states legalizing either medical or recreational cannabis, the potential for improper processing of the cannabis triggering an illness or death to the consumer is increasing.

The FDA Food Safety Modernization Act (FSMA) is the new food safety law that has resulted in seven new regulations, many which directly or indirectly impact the production and processing of cannabis. Under FSMA regulations, food processors must identify either known or reasonably foreseeable biological, chemical or physical hazards, assess the risks of each hazard, and implement controls to minimize or prevent them. The FSMA Preventive Controls for Human Foods (PCHF) regulation contains updated food “Good Manufacturing Practices (cGMPs) that are in many cases made a requirement in a state’s medical or recreational cannabis laws. These cGMPs can be found in 21 CFR 117 Subpart B.

It is imperative that cannabis manufacturers have a number of controls in place including management of suppliers providing the raw material.Food safety risks in cannabis processing could originate from bacteria, cleaning or agricultural chemicals, food allergens or small pieces of wood, glass or metal. The hazards that must be addressed could be natural, unintentionally introduced, or even intentionally introduced for economic benefit, and all must be controlled.

It is unlikely that high heat, used in other food products to remove bad bacteria would be used in the processing of cannabis as many of its desirable compounds are volatile and would dissipate under heating conditions. Therefore, any heat treatment needs to be carefully evaluated for effectiveness in killing bacterial pathogens while not damaging the valuable constituents of cannabis. Even when products are heated above temperatures that eliminate pathogens, if the raw materials are stored in a manner that permits mold growth, mycotoxins produced by molds that have been linked to cancer could be present, even after cooking the product. Storage of raw materials might require humidity controls to minimize the risk of mold. Also, pesticides and herbicides applied during the growth and harvesting of cannabis would be very difficult to remove during processing.

It is imperative that cannabis manufacturers have a number of controls in place including management of suppliers providing the raw material. Other controls that must be implemented include proper cannabis storage, handling and processing as well as food allergen control, and equipment/facility cleaning and sanitation practices. Processing facilities must adhere to Good Manufacturing Practices (GMP’s) for food processing, including controls such as employee hand washing and clothing (captive wear, hair nets, beard nets, removal of jewelry, and foot wear) that might contribute to contamination. A Pest Control plan must be implemented to prevent fecal and pathogen contamination from vermin such as rodents, insects, or birds.

Processing facilities must be designed for proper floor drainage to prevent standing water. Processing air should be properly filtered with airflow into the cannabis processing facility resulting in a slightly higher pressure than the surrounding air pressure, from the clean process area outwards. Toilet facilities with hand washing are essential, physically separated from the process areas. Food consumption areas must also be physically separate from processing and bathroom areas and have an available, dedicated hand sink nearby. Employee training and company procedures must be effective in keeping food out of the processing area. Labels and packaging must be stored in an orderly manner and controlled to prevent possible mix-up.Cleaning of the processing equipment is critical to minimize the risk of cross contamination and microbial growth.

Written food safety operational procedures including prerequisite programs, standard operating procedures (SOP’s), etc. must be implemented and monitored to ensure that the preventive controls are performed consistently. This could be manual written logs, electronic computerized data capture, etc., to ensure processes meet or exceed FSMA requirements.

A written corrective action program must be in place to ensure timely response to food safety problems related to cannabis processing problems when they occur and must include a preventive plan to reduce the chance of recurrence. The corrective actions must be documented by written records.

Supply chain controls must be in place. In addition, a full product recall plan is required, in the event that a hazard is identified in the marketplace to provide for timely recall of the contaminated product.

Cleaning of the processing equipment is critical to minimize the risk of cross contamination and microbial growth. The processing equipment must be designed for ease of cleaning with the minimum of disassembly and should conform to food industry standards, such as the 3-A Sanitary Standards, American Meat Institute’s Equipment Standards, the USDA Equipment Requirements, or the Baking Industry Sanitation Standards Committee (BISSC) Sanitation Standards ANSI/ASB/Z50.2-2008.

Serious food borne contaminations have occurred in the food industry, and cannabis processing is just as susceptible to foodborne contamination. These contaminations are not only a risk to consumer health, but they also burden the food processors with significant costs and potential financial liability.

Anyone processing cannabis in any form must be aware of the state regulatory requirements associated with their products and implement food safety programs to ensure a safe, desirable product for their customers.

HACCP

Hazard Analysis and Critical Control Points (HACCP) for the Cannabis Industry: Part 1

By Kathy Knutson, Ph.D.
No Comments
HACCP

Hazard Analysis and Critical Control Points (HACCP) Defined

Farm-to-fork is a concept to describe the control of food safety starting in the fields of a farm and ending with deliciousness in my mouth. The more that is optimized at every step, the more food safety and quality are realized. Farm-to-fork is not a concept reserved for foodies or “eat local” food campaigns and applies to all scales of food manufacture. HACCP is like putting the last piece of a huge puzzle in the middle and seeing the whole picture develop. HACCP is a program to control food safety at the step of food processing. In states where cannabis is legal, the state department of public health or state department of agriculture may require food manufacturers to have a HACCP plan. The HACCP plan is a written document identifying food safety hazards and how those hazards are controlled by the manufacturer. While there are many resources available for writing a HACCP plan, like solving that puzzle, it is a do-it-yourself project. You can’t use someone else’s “puzzle,” and you can’t put the box on a shelf and say you have a “puzzle.”

HACCP is pronounced “ha” as in “hat” plus “sip.”

(Say it aloud.)

3-2-1 We have liftoff.

The history of HACCP starts not with Adam eating in the garden of Eden but with the development of manned missions to the moon, the race to space in the 1950s. Sorry to be gross, but imagine an astronaut with vomiting and diarrhea as a result of foodborne illness. In the 1950s, the food industry relied on finished product testing to determine safety. Testing is destructive of product, and there is no amount of finished product testing that will determine food is safe enough for astronauts. Instead, the food industry built safety into the process. Temperature was monitored and recorded. Acidity measured by pH is an easy test. Rather than waiting to test the finished product in its sealed package, the food industry writes specifications for ingredients, ensures equipment is clean and sanitized, and monitors processing and packaging. HACCP was born first for astronauts and now for everyone.HACCP

HACCP is not the only food safety program.

If you are just learning about HACCP, it is a great place to start! There is a big world of food safety programs. HACCP is required by the United States Department of Agriculture for meat processors. The Food and Drug Administration (FDA) requires HACCP for seafood processing and 100% juice manufacture. For all foods beyond meat, seafood and juice, FDA has the Food Safety Modernization Act (FSMA) to enforce food safety. FSMA was signed in 2011 and became enforceable for companies with more than 500 employees in September of 2016; all food companies are under enforcement in September 2018. FSMA requires all food companies with an annual revenue greater than $1 million to follow a written food safety plan. Both FDA inspectors and industry professionals are working to meet the requirements of FSMA. There are also national and international guidelines for food safety with elements of HACCP which do not carry the letter of law.

The first step in HACCP is a hazard analysis.

Traditionally HACCP has focused on processing and packaging. Your organization may call that manufacturing or operations. In a large facility there is metering of ingredients by weight or volume and mixing. A recipe or batch sheet is followed. Most, but not all, products have a kill step where high heat is applied through roasting, baking, frying or canning. The food is sealed in packaging, labeled, boxed and heads out for distribution. For your hazard analysis, you identify the potential hazards that could cause injury or illness, if not controlled during processing. Think about all the potential hazards:

  • Biological: What pathogens are you killing in the kill step? What pathogens could get in to the product before packaging is sealed?
  • Chemical: Pesticides, industrial chemicals, mycotoxins and allergens are concerns.
  • Physical: Evaluate the potential for choking hazards and glass, wood, hard plastic and metal.

The hazards analysis drives everything you do for food safety.

I cannot emphasize too much the importance of the hazard analysis. Every food safety decision is grounded in the hazard analysis. Procedures will be developed and capital will be purchased based on the hazard analysis and control of food safety in your product. There is no one form for the completion of a hazard analysis.

HACCP risk matrix
A risk severity matrix. Many HACCP training programs have these.

So where do you start? Create a flow diagram naming all the steps in processing and packaging. If your flow diagram starts with Receiving of ingredients, then the next step is Storage of ingredients; include packaging with Receiving and Storage. From Storage, ingredients and packaging are gathered for a batch. Draw out the processing steps in order and through to Packaging. After Packaging, there is finished product Storage and Distribution. Remember HACCP focuses on the processing and packaging steps. It is not necessary to detail each step on the flow diagram, just name the step, e.g. Mixing, Filling, Baking, etc. Other supporting documents have the details of each step.

For every step on the flow diagram, identify hazards.

Transfer the name of the step to the hazard analysis form of your choice. Focus on one step at a time. Identify biological, chemical and physical hazards, if any, at that step. The next part is tricky. For each hazard identified, determine the probability of the hazard occurring and severity of illness or injury. Some hazards are easy like allergens. If you have an ingredient that contains an allergen, the probability is high. Because people can die from ingestion of allergens when allergic, the severity is high. Allergens are a hazard you must control. What about pesticides? What is the probability and severity? I can hear you say that you are going to control pesticides through your purchasing agreements. Great! Pesticides are still a hazard to identify in your hazard analysis. What you do about the hazard is up to you.

Steven Burton

Top 4 Food Safety Hazards for the Cannabis Industry

By Steven Burton
12 Comments
Steven Burton

As many US States and Canadian provinces approach legalization of cannabis, the question of regulatory oversight has become a pressing issue. While public awareness is mainly focused on issues like age restrictions and impaired driving, there is another practical question to consider: should cannabis be treated as a drug or a food product when it comes to safety? In the US, FDA governs both food and drugs, but in Canada, drugs are regulated by Health Canada while food products are regulated under the CFIA.There are many food safety hazards associated with cannabis production and distribution that could put the public at risk, but are not yet adequately controlled

Of course, there are common issues like dosage and potency that pharmaceutical companies typically worry about as the industry is moving to classifying its products in terms of percentage of chemical composition (THC, CBD, etc. in a strain), much as we categorize alcohol products by the percentage of alcohol. However, with the exception of topical creams and ointments, many cannabis products are actually food products. Even the herb itself can be brewed into teas, added to baked goods or made into cannabis-infused butters, oils, capsules and tinctures.

FDAlogoAs more people gain access to and ingest cannabis products, it’s only a matter of time before food safety becomes a primary concern for producers and regulators. So when it comes to food safety, what do growers, manufacturers and distributors need to consider? The fact is, it’s not that different from other food products. There are many food safety hazards associated with cannabis production and distribution that could put the public at risk, but are not yet adequately controlled. Continue reading below for the top four safety hazards for the cannabis industry and learn how to receive free HACCP plans to help control these hazards.

Aflatoxins on Cannabis Bud

Just like any other agricultural product, improper growing conditions, handling and storage can result in mold growth, which produce aflatoxins that can cause liver cancer and other serious health problems. During storage, the danger is humidity; humidity must be monitored in storage rooms twice a day and the meter must be calibrated every month. During transportation, it is important to monitor and record temperatures in trucks. Trucks should also be cleaned weekly or as required. Products received at a cannabis facilities should be tested upon receiving and contaminated products must always be rejected, segregated and disposed of safely.

Petri dish containing the fungus Aspergillus flavus. It produces carcinogenic aflatoxins, which can contaminate certain foods and cause aspergillosis, an invasive fungal disease.
Photo courtesy of USDA ARS & Peggy Greb.

Chemical Residues on Cannabis Plants

Chemical residues can be introduced at several points during the production and storage process. During growing, every facility should follow instructions for applying fertilizers and pesticides to crops. This includes waiting for a sufficient amount of time before harvesting. When fertilizer is being applied, signs must be posted. After cannabis products have been harvested, chemical controls must be in place. All chemicals should be labelled and kept in contained chemical storage when not in use to prevent contamination. Only food-grade chemicals (e.g. cleaners, sanitizers) should be used during curing, drying, trimming and storage.

Without a comprehensive food safety program, problems will inevitably arise.There is also a risk of excessive concentration of chemicals in the washing tank. As such, chemical concentrations must be monitored for. In general, water (obviously essential for the growing process) also carries risks of pathogenic bacteria like staphylococcus aureus or salmonella. For this reason, city water (which is closely controlled in most municipalities) should be used with an annual report and review. Facilities that use well water must test frequently and water samples must be tested every three months regardless.

Pathogenic Contamination from Pest Infestations

Insects, rodents and other pests spread disease. In order to prevent infestations, a pest control program must be implemented, with traps checked monthly by a qualified contractor and verified by a designated employee. It is also necessary to have a building procedure (particularly during drying), which includes a monthly inspection, with no holes or gaps allowed. No product should leave the facility uncovered to prevent fecal matter and other hazards from coming into contact with the product. Contamination can also occur during storage on pallets, so pallets must be inspected for punctures in packaging material.

Furthermore, even the best controlled facility can fall victim to the shortcomings of their suppliers. Procedures must be in place to ensure that suppliers are complying with pest and building control procedures, among others. Certifications should be acquired and tracked upon renewal.

Pathogenic Contamination Due to Improper Employee Handling

Employee training is key for any food facility. When employees are handling products, the risk of cross-contamination is highest. Facilities must have GMP and personnel hygiene policies in place, with training conducted upon hiring and refreshed monthly. Employees must be encouraged to stay home when sick and instructed to wear proper attire (gloves, hair nets, etc.), while glass, jewelry and outside food must not be allowed inside the facility. Tools used during harvesting and other stages may also carry microorganisms if standard cleaning procedures are not in place and implemented correctly by employees.

As the cannabis industry grows, and regulatory bodies like the FDA and CFIA look to protect public safety, we expect that more attention will be paid to other food safety issues like packaging safety (of inks and labels), allergen control and others. In the production of extracts, for example, non-food safe solvents could be used or extracts can be mixed with ingredients that have expiration dates, like coconut oil. There is one area in which the cannabis industry may lead the way, however. More and more often, risks of food terrorism, fraud and intentional adulteration are gripping the food industry as the global food chain becomes increasingly complex. It’s safe to say that security at cannabis facilities is probably unparalleled.

All of this shows that cannabis products, especially edibles (and that includes capsules and tinctures), should be treated the same as other food products simply because they have the same kinds of hazards. Without a comprehensive food safety program (that includes a plan, procedures, training, monitoring and verification), problems will inevitably arise.

Microbiology 101 Part One

By Kathy Knutson, Ph.D.
No Comments

I have been studying microorganisms for over 35 years, and the elusive critters still fascinate me! Here in Microbiology 101, I write about the foundation of knowledge on which all microbiologists build. You may have a general interest in microbiology or have concerns in your operation. By understanding microbiology, you understand the diversity of microorganisms, their source, control of microorganisms and their importance.

Part 1

The term microbiology covers every living being we cannot see with the naked eye. The smallest microbe is a virus. Next in size are the bacteria, then yeast and mold cells, and the largest microbes are the protozoans. The tiny structure of a virus may be important in the plant pathology of cannabis, but will not grow in concentrates or infused products. A virus is not living, until it storms the gate of a living cell and overtakes the functions within the cell. Viruses are the number one cause of foodborne illness, with the number one virus called Norovirus. Think stomach flu. Think illness on cruise ships. Viruses are a food service problem and can be prevented by requiring employees to report sickness, have good personal hygiene including good hand washing, and, as appropriate, wear gloves. Following Good Manufacturing Practices (GMPs) is critical in preventing the transfer of viruses to a product where the consumer can be infected.

The petri dishes show sterilization effects of negative air ionization on a chamber aerosolized with Salmonella enteritidis. The left sample is untreated; the right, treated. Photo courtesy of USDA ARS & Ken Hammond

The largest microbial cell is the protozoan. They are of concern in natural water sources, but like viruses, will not grow in cannabis products. Control water quality through GMPs, and you control protozoans. Viruses and protozoans will not be further discussed here. Bacteria, yeast and mold are the focus of further discussion. As a food microbiologist, my typical application of this information is in the manufacturing of food. Because Microbiology 101 is a general article on microbiology, you can apply the information to growing, harvesting, drying, manufacture of infused products and dispensing.

It is not possible to have sterile products. Even the canning process of high temperature for an extended time allows the survival of resistant bacterial spores. Astronauts take dehydrated food into space, and soldiers receive MREs; both still contain microbes. Sterility is never the goal. So, what is normal? Even with the highest standards, it is normal to have microbes in your products. Your goal is to eliminate illness-causing microorganisms, i.e. pathogens. Along the way, you will decrease spoilage microbes too, making a product with higher quality.

Petri dish containing the fungus Aspergillus flavus. It produces carcinogenic aflatoxins, which can contaminate foods and cause an invasive fungal disease.
Photo courtesy of USDA ARS & Peggy Greb.

Yeast and mold were discussed on CIJ in a previous article, Total Yeast & Mold Count: What Cultivators & Business Owners Need to Know. Fuzzy mold seen on the top of food left in the refrigerator too long is a quality issue, not a safety issue. Mold growth is a problem on damaged cannabis plants or cuttings and may produce mycotoxin, a toxic chemical hazard. Following Good Agricultural Practices (GAPs) will control mold growth. Once the plant is properly dried, mold will not grow and produce toxin. Proper growing, handling and drying prevents mycotoxins. Like mold, growth of yeast is a quality issue, not a safety issue. As yeast grow, they produce acid, alcohol and carbon dioxide gas. While these fermentation products are unwanted, they are not injurious. I am aware that some states require cannabis-infused products to be alcohol-free, but that is not a safety issue discussed here.

What are the sources of microorganisms?

People. Employees who harvest cannabis may transfer microorganisms to the plant. Later, employees may be the source of microbes at the steps of trimming, drying, transfer or portioning, extract processing, infused product manufacture and packaging.

Ingredients, Supplies and Materials. Anything you purchase may be a source of microorganisms. Procure quality merchandise. Remember the saying, “you get what you pay for.”

Environment. Starting with the outdoors, microbes come from wind, soil, pests, bird droppings and water. When plants are harvested outdoors or indoors, microbes come from the tools and bins. Maintain clean growing and harvesting tools in good working condition to minimize contamination with microbes. For any processing, microbes come from air currents, use of water, and all surfaces in the processing environment from dripping overhead pipes to floor drains and everything in between.

In Part 2 I will continue to discuss the diversity of microorganisms, and future articles will cover Hazard Analysis and Critical Control Points (HACCP) and food safety in more detail. What concerns do you have at each step of operations? Are you confident in your employees and their handling of the product? As each state works to ensure public health, cannabis-infused products will receive the same, if not more, scrutiny as non-cannabis food and beverages. With an understanding and control of pathogens, you can focus on providing your customers with your highest quality product.