Cannabis Testing Labs for Quality and Compliance
Certified Laboratories operates cannabis testing labs that provide accurate hemp and cannabis testing backed by ISO 17025 accreditation and DEA registration. We deliver reliable data and expert support to help you meet compliance requirements and make informed product decisions.
- ISO 17025-accredited, DEA-registered labs.
- cGMP-certified quality systems (Burbank, CA & Carrollton, TX).
- Defensible results for compliance and release decisions.
- Technical experts available to explain findings and next steps.
Contact Certified Laboratories to work with cannabis testing labs that prioritize accuracy, compliance, and technical expertise.
Do you need cannabis or hemp testing in Canada? Our fellow Certified Group company, Labstat, provides cannabis and hemp testing services for licensed producers in Canada.
Why Choose Our Cannabis Testing Labs?
ISO 17025 Accreditation
Rigorous quality control standards. Data you can trust.
cGMP Certification*
Higher standards. Better processes. More reliable results.
*Burbank, CA &
Carrollton, TX labs
Direct-Connect to Experts
Real people. Real answers. No guesswork – just clarity.
Validated Methods & Low LOQ/LOD
Sensitive instrumentation for precise results – because accuracy drives decisions.
Comprehensive Cannabis Testing Services
We offer a comprehensive list of services to test cannabis, both marijuana and hemp, to help you ensure quality and compliance at every stage of production. From cannabis potency testing to contaminant screening, we provide accurate, trustworthy results. Our standard cannabis testing services are listed below – contact us if you don’t see what you need.
Cannabinoid Potency Testing Services for Manufacturers
We offer full-spectrum cannabinoid profiling so you can ensure compliance, validate claims, and give your customers exactly what they expect. Our standard cannabinoids include the following (with more added regularly); contact us about additional cannabinoids and we may be able to develop a method to suit your needs.
- Delta 9-Tetrahydrocannabinol (Δ9-THC)
- Delta 8-Tetrahydrocannabinol (Δ8-THC)
- Tetrahydrocannabinolic Acid (THCA)
- Cannabidiol (CBD)
- Cannabidiolic Acid (CBDA)
- Cannabigerol (CBG)
- Cannabinol (CBN)
- Cannabidivarin (CBDV)
- Cannabigerolic Acid (CBGA)
- Cannabichromene (CBC)
- Delta 8-Tetrahydrocannabidivarin (Δ8-THCV)
- Delta 9-Tetrahydrocannabidivarin (Δ9-THCV)
- (6aR,9R)-Δ10-Tetrahydrocannabinol (Δ10-THC)
- Cannabidivarinic Acid (CBDVA)
- Delta 9-Tetrahydrocannabivarinic Acid (Δ9-THCVA)
- Delta 8-Tetrahydrocannabivarinic Acid (Δ8-THCVA)
- 9S-Hexahydrocannabinol (9S-HHC)
- 9R-Hexahydrocannabinol (9R-HHC)
- Delta 9-Tetrahydrocannabiphorol (Δ9-THCP)
- Delta 8-Tetrahydrocannabiphorol (Δ8-THCP)
- Delta 9-Tetrahydrocannabinol acetate (Δ9-THCO)
- Delta 8-Tetrahydrocannabinol acetate (Δ8-THCO)
Equipment
High-Performance Liquid Chromatography with UV detection (HPLC-UV)
Limits of Detection (LOD)
<0.1 ppm
Limits of Quantification (LOQ)
<0.3 ppm
Offering
Terpene Profile Testing at Our Cannabis Testing Labs
Savvy cannabis consumers care as much about the product’s terpene profile as its potency. Including that information on your product labels is necessary to meet expectations and boost sales. Our terpene profile testing pinpoints dozens of terpenes to help you…
Differentiate your products from the competition and increase sales.
Craft targeted experiences to stay ahead of trends and satisfy your customers.
Validate your product’s terpene profile for labeling compliance.
Equipment
Gas Chromatography–Mass Spectrometry (GC-MS)
Limits of Detection (LOD)
<0.0008%
Limits of Quantification (LOQ)
0.02%
Contaminants Testing Services for Cannabis and Hemp
We screen for harmful contaminants to ensure your cannabis products meet safety and regulatory standards:
-
Pesticides: Full-panel testing for a wide range of commonly used and residual pesticides.
-
Residual Solvents: Screening for Class 1, 2, and 3 solvents to meet safety thresholds.
- Mycotoxins: Screening for toxic fungal byproducts to ensure product safety.
- Heavy Metals: Detection of toxic metals including…
- Lead (Pb)
- Mercury (Hg)
- Cadmium (Cd)
- Arsenic (As)
- Microbials: Comprehensive microbial testing for harmful organisms:
- Yeast and mold
- Total Plate Count (TPC)
- Pathogens (USP 61/62 standards)
Offering
Water Activity & Moisture Content
Ensuring proper moisture levels is essential for product stability and quality. We test water activity to…
Confirm dry weight for biomass and dry flower sales.
Prevent microbial growth and spoilage.
Maintain product integrity throughout the supply chain.
Cannabis Testing Labs: Your Products, Our Expertise
Our cannabis testing labs can test your samples at every stage of the production process, providing an accurate picture of your entire supply chain.
Extracts:
Oils, concentrates, distillates
Plant Materials:
Flower, biomass
Finished Products:
- Edibles (gummies, chocolate)
- Beverages
- Topicals
- Vapes
- Capsules and tinctures
Our expertise and sensitive equipment deliver the highest levels of accuracy, ensuring you can trust the data we provide to guide critical decisions.
Direct-Connect to Cannabis Testing Experts
We’re more than a lab – we’re your partner for compliant, expert cannabis and hemp testing. When you work with us, you get more than a report. You get direct, one-on-one support from technical experts who can…
Explain your results in plain language.
Help you understand out-of-spec findings.
Guide your testing strategy with scientific clarity.
Ready to Get Started?
Ready for accurate, reliable cannabis testing backed by industry-leading standards? Submit the form below and our team will get back to you in 1-2 business days!