Method Testing Labs (MTL) is your business partner not just a testing laboratory.

Our experienced team is comprised of researchers, chemists, pharmaceutical scientists and former industry leaders in the cannabis and hemp. The MTL team knows your business. We are former operators who have built and run cannabis and hemp cultivation, production (internal testing laboratories), manufacturing, distribution and sales centers.

At MTL we know the critical importance of safe testing for patients in an efficient and profitable supply chain.

At MTL, we are focused on customer service you can count on, consistent and accurate lab results and timely and easy access to results information for your business. We’re passionate about cannabis science and dedicated to ensuring success of our partner’s business.

What we do

At MTL Labs, we help streamline your business. Driven by customer-centric innovation, our testing solutions provide critical tools to cultivate, manufacture, and distribute cannabis or hemp products. By design, our advanced information technology tools bridge the gap between regulatory compliance and business needs – allowing you to supply your customer product with increased safety.

How Can We Help You?

Accredited Laboratory
We have accreditations with Perry Johnson/ISO 17025 and are Licensed with the State of Florida

PJLA Accreditation ISO 17025: 111022
Florida Department of Health: License 007

Dedicated Customer Service Representative
We are here to serve you. When you become a MTL customer, you are assigned a dedicated customer service representative (CSR). The CSR will provide you contact information and will be available anytime you need them.

Cannabis and Hemp Testing
We are an accredited and certified laboratory providing consistent cannabis and hemp sample testing with accurate and reliable results based on Florida Department of Health regulations.

Florida State Cannabis Courier Fleet and Overnight Hemp Delivery Service
Your dedicated MTL professional team member will randomly sample your product based on FL state requirements and conduct compliance testing within 72 hours of samples received at the laboratory.

Seamless Laboratory Data and Analysis for Your Business
Convenient 24/7 access to your laboratory data for your business and patients. All sample information processing is digitized through our advanced technology Laboratory Management Information system (LMIS).

The flexible LMIS system can be designed for you based on your business and patient portal needs. You can request we build a customer CoA for your company or patient portal. Through the customer portal, you can submit your samples, track the progress, view results, download results as a CSV or XLSX file, and request support from your dedicated customer service representative.

Our experienced MTL team is always available to consult on your results and share best practices.

The Method Team

Keith Browning

Keith Browning, CEO, is an executive with over 30 years of managing, consulting, and operating companies.

At Method Testing Laboratories, he is responsible for strategic direction, customer service, technology, continuous improvement and regulatory compliance.

Prior to joining Method Testing Laboratories, Keith was the President of Parallel Brands, Managing Director at Alvarez and Marsal, an Executive at Hitachi, CEO of Spark Grove, Director at Arthur Andersen and a Director at AT&T. Keith has a master’s degree from University of Phoenix and a bachelor’s degree from Auburn University.

Rob Radke

Rob Radke, President, leads Method Testing Laboratories operations and finance departments.

Rob is an experienced cannabis, operations and finance leader with deep experience leading manufacturing operations, commercializing new products, mergers, acquisitions, turnarounds and restructurings.

Rob has completed over $6.0 billion in transactions from small real estate purchases to highly complex and large acquisitions. Prior to Method Testing Labs, Rob was a senior executive with Parallel Brands, the largest private cannabis company in the United States.

Roy Sorenson

Roy Sorenson, Laboratory Director, oversees all of Method Testing Laboratories’ laboratory operations and administration.

As an experienced laboratory director, Roy has set up ISO 17025:2017 laboratories in Nevada, California, New York, Florida, and Arizona. His early career began in pharmaceutical and nutraceuticals where he worked in the scaling of pharmaceuticals/nutraceuticals from analytical to production levels. He has operated start-up QC laboratories for monitoring and optimizing alternative sources of high-grade rubber production. He has extensive nutritional analysis in collaborations with the USDA in advancing national food security and has worked at the International Rice Research Institute (IRRI) in the Philippines on rice research to production. Four years ago, Roy transitioned into cannabis providing both internal and regulated 3rd party testing for some of the largest producers in the industry. Roy has his Master and Bachelor of Science degrees from the University of Nevada, Reno where he researched plant metabolism, nutrition, and biochemistry.

Tony Bennett

Tony Bennett, Laboratory Quality Manager, directs Method Testing Laboratories’ quality and compliance operations.

Tony has earned a Bachelor of Science in Chemistry working toward a Masters in Analytical Chemistry. He has over 25 years of experience in Quality Assurance in the fields of genetics, pharmaceutical, herbicide, pesticide, metallurgy, food, and beverage industries.
Antonio Alvarez

Antonio Alvarez, Analytical Chemist, supports Method Testing Laboratories lab testing operations.

Antonio graduated with a Bachelor of Science in Chemistry and is working toward an MBA. He has over 3 years of experience in Quality Control and Research & Development in the fields of cosmetics, pharmaceutical, and dietary supplements.
Clarissa Alvarez

Clarissa Alvarez, Microbiology Analyst, supports Method Testing Laboratories testing operations

She has 2 years of FDA regulated GXP and clean room ISO experience and over 5 years of supervisory experience. Clarissa is a strong laboratory leader focused on process, procedure and quality. She strives in training individuals and continuous improvement.

Clarissa graduated with a Bachelor of Science in Biology from St. Petersburg College and has over two years of experience in Microbiology in the pharmaceutical and manufacturing industries.

Erin Blanton

Erin Blanton has been an analytical chemist for 8 years, working in quality control, research, and government laboratories.

Erin graduated from the University of Kansas with a B.S. in Chemistry. She has worked with a variety of gas and liquid chromatography techniques, as well as ICP-MS, XRF, FT-IR, and UV-vis spectroscopy.