Cannabis Proficiency Testing and Certification Programs

Improve Quality and Comply With Regulations

Improving quality while maintaining health and safety is key to the cannabis and hemp industry’s growth. ASTM’s robust range of testing solutions and certification programs helps laboratories, cultivators, producers, and more implement industry standards and address important safety regulations.

Proficiency Testing:
Gain Control Over Quality and Safety

Improve testing procedures, compare with your competitors, and meet safety regulations with our unique cannabis and hemp proficiency testing programs (PTPs). Our testing solutions reflect real-world processes, helping cannabis and hemp businesses gain actionable insights and produce quality products.

Accredited Hemp Flower (HFL) Proficiency Testing Program

In states where cannabis is legal, most regulators mandate that labs participate in ISO 17043-accredited proficiency testing programs to ensure safety for all consumers. Use this program to improve your testing performance and meet the latest regulatory requirements. You’ll manage all data and reporting in our custom PTP2 Application and can submit your results directly to regulatory agencies. 

Each laboratory location will receive 25 g of ground hemp flower for testing. Use our established statistical quality assurance tool and standards developed by ASTM Committee D37 to measure your performance in testing samples for:

– cannabinoids (potency)

– pesticides

– metals

– water activity

– terpenes and terpenoids

– myctoxins

– microbial contaminants


  1. Each participating lab will receive 25 g of ground hemp flower for testing.
  2. Perform tests using ASTM cannabis standards for potency, pesticides, moisture content, water activity, and more.
  3. Use results to improve performance, meet accreditation requirements, and compare with competing labs.


With 60+ programs created by our subject-matter standards experts, labs worldwide turn to ASTM International for all their proficiency testing needs. These cost-effective programs help improve performance and give your business a competitive edge. 

Our custom testing portal helps you easily track data and compare results with other labs. Show customers that your lab adheres to the top industry safety standards in the world.

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Certification Programs:
Ground Your Business in Best Practices

ASTM CANNQ/HEMPQ Certification Program

Certification for Producers and Facilities

We help all cannabis and hemp producers meet
and exceed best practice standards by following
Good Manufacturing Practices (GMP), ensuring only
consistent and safe products are available in the
marketplace. All aspects of your policies and production operation plus quality and compliance will be examined.

The program is managed by the Safety Equipment Institute (SEI), an affiliate of ASTM International, in partnership with The GMP Collective and supported by the Policy Center for Public Health and Safety.

The CANNQ/HEMPQ program helps you:

Good Manufacturing Practices (GMP) and Quality Audits

A growing list of states are requiring GMP systems in cannabis regulations. Our full GMP quality audits review 19 specific elements in Committee D37’s growing list of industry standards. Improve your quality management systems, establish strong operating procedures, and ensure your facilities adhere to required safety regulations.

In addition to leveraging ASTM standards, our audits use established manufacturing and agriculture practices specific to cannabis and hemp. You’ll be able to improve:

CANNQ/HEMPQ Certification for Testing Labs

Our unique program helps cannabis and hemp labs demonstrate test method validation against globally recognized standards.

Recognized by the Attorney General Alliance in several states, the ASTM CANNQ/HEMPQ Lab Certification Program can also help prepare you for ISO 17025 accreditation. Show that your lab exceeds minimum state requirements and always stay audit-ready. Certify your lab to:

cannabis lab

“Getting certified through ASTM allows you to show to consumers, whether it's buyers in the supply chain, or regulatory enforcement agencies, that you're actually following a set of consensus based-standards.”

– David Vaillencourt, Chief Executive Officer, The GMP Collective

Ready to Get Certified?

Talk with an expert about the certification process
and how it benefits your business.