Cannabis Lab Testing Systems

Safe, precise, and Compliant. Testing starts here!

Reliable Gases & Storage Solutions for Cannabis Testing Labs

Whether you're testing for potency, purity, or safety, your lab needs consistent, high-purity gases and secure storage systems to deliver accurate results and meet industry regulations. Central McGowan provides lab-grade hydrogen, methane, custom gas blends, and turnkey storage systems built specifically for cannabis testing operations.


🔍 Why Accurate Cannabis Testing Matters

Cannabis testing plays a crucial role in ensuring products are:

  • Safe for consumption

  • Compliant with state and federal regulations

  • Consistent in potency and purity

  • Trusted by customers and retailers

Our lab solutions support the full range of cannabis testing services:

  • Cannabinoid profiling – Measure THC, CBD, and other compounds

  • Residual solvent detection – Ensure proper removal of hydrocarbons and ethanol

  • Terpene and flavonoid analysis – Profile taste, aroma, and therapeutic potential

  • Microbial & biological testing – Identify harmful contaminants

  • Heavy metals & pesticide screening – Meet safety and health regulations


đź§Ş Lab Testing Gases Designed for Precision

We supply a full range of high-purity gases for cannabis testing applications, including:

Hydrogen

  • Ideal for Gas Chromatography (GC) applications

  • Supports clean, efficient analysis of cannabinoids and terpenes

Methane

  • Often used as a carrier or detector gas

  • Ensures accurate calibration and detection in MS and GC systems

Carrier & Calibration Gases

  • Available in custom mixes upon request

  • Maintain instrument accuracy and data integrity

All gases meet rigorous standards for purity, performance, and consistency, and are available in a variety of cylinder sizes, including CGA 350 configurations.


🛡️ Turnkey Storage & Safety Systems

Safe storage of flammable and pressurized gases is critical to your lab’s operation and safety compliance.

Our customizable cabinet systems feature:

  • Ventilated, secure enclosures for flammable or specialty gases

  • Compliance with OSHA, NFPA, and local safety codes

  • Modular options to fit labs of any size

  • Easy access to cylinders for quick cylinder changes and workflow efficiency

We help you design a system that meets code, capacity, and space requirements—without compromise.


🧬 Common Industry Terms

Whether you're new to cannabis testing or just brushing up, here are a few essential terms:

  • Cannabinoids – Compounds like THC (psychoactive) and CBD (non-psychoactive, therapeutic)

  • Terpenes – Aromatic compounds that influence taste, smell, and potential effects

  • Flavonoids – Plant chemicals with antioxidant, anti-inflammatory, and possible pain-relief benefits

  • Residual Solvents – Traces of hydrocarbon or ethanol used during extraction

  • Potency Testing – Analysis to confirm cannabinoid levels on product labels


đź’ˇ Why Central McGowan?

With decades of experience in industrial gases and specialty gas systems, we’re a trusted partner to labs across the Midwest. Here’s why cannabis testing facilities choose us:

  • High-purity gases and reliable delivery

  • Turnkey storage cabinets engineered for lab safety

  • Expert guidance from a team that understands cannabis operations

  • Custom gas blends and sizing available to match your equipment

LITTLE FALLS Branch
(7:30 AM - 5 PM M-F, CLOSED SAT & SUN)
16444 11th St NE, Little Falls, MN 56345
LOCAL: 320-632-9218
TOLL-FREE: 800-864-3787
EMERGENCY: 320-428-2013

MANKATO Branch (Preferred Welder Sales)
(7:30 AM-5 PM M-F, CLOSED SAT & SUN)
150 Pauley Way
Mankato, MN 56001
LOCAL: 507-229-5267
EMERGENCY: 320-428-2013

MINNEAPOLIS Branch (Metro Welding Supply)
(7:30 AM-5 PM M-F, CLOSED SAT & SUN)
3021 Central Ave NE
Minneapolis, MN 55418
LOCAL: 612-781-3004
EMERGENCY: 320-428-2013

ST. CLOUD Automation Center
(7 AM-4:30 PM M-F, CLOSED SAT & SUN)
2820 1st St S, St. Cloud, MN 56301
SALES/SERVICE: 320-257-4800/800-569-1322, Press 5
FOLLOW INSTRUCTIONS FOR AFTER-HOURS EMERGENCY

ST. CLOUD Branch & Headquarters
(7:30 AM-5 PM M-F, CLOSED SAT & SUN)
123 Roosevelt Road, St. Cloud, MN 56301
STORE: 320-257-4801 or 800-569-1322, Press 1
BUSINESS OFFICE: 320-257-4800, Press 2
FAX: 320-252-7807
EMERGENCY:320-428-2013

ST. CLOUD CO2 Solutions
(7:30 AM-5 PM M-F, SAT CLOSED)
123 Roosevelt Road, St. Cloud, MN 56301
PHONE: 320-257-4800 / 800-569-1322, Press 3
FAX: 320-252-7807
EMERGENCY: 320-428-2013

ST. CLOUD Service Center
(7:30 AM-4:30 PM M-F, CLOSED SAT & SUN)
123 Roosevelt Road, St. Cloud, MN 56301
PHONE: 320-257-4800/800-569-1322, Press 4
FAX: 320-252-7807
EMERGENCY: 320-428-2013

ST. PAUL - BEVCARB/DRY ICE BRANCH
(7 AM-3 PM, M-F, CLOSED SAT & SUN)
2103 Charles Ave, St. Paul, MN 55114
LOCAL: 651-645-6433
AFTER 3 PM/EMERGENCY: 651-246-1214

DES MOINES BRANCH (Fessler Carbonic Gas)
(8 AM-4 PM M-F, CLOSED SAT & SUN)
2012 E Ovid Ave
Des Moines, IA 50313
LOCAL: 515-255-5717
EMERGENCY: 515-499-3165

FARGO Branch
(7:30 AM-5 PM M-F, CLOSED SAT & SUN)
1230 38th Street N #A
Fargo, ND 58102
LOCAL: 701-809-7425
EMERGENCY: 320-428-2013

SIOUX FALLS Branch
New store opening end of November

520 E Benson Rd. 57104
Sioux Falls, SD 57104
LOCAL: 605-800-5322

CALL 320-257-4800 or 800-569-1322 (7:30 AM-5 PM, Central)