About

The C4 Difference

You have plenty of options for cannabis and hemp testing. We want to be your partner of choice. C4 is the only team in Arizona that you can rely on for complete confidence in your test results and an easy, enjoyable process.

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Fast Turn Times

C4 has made significant investments to ensure fast turnaround of test results, including purchasing additional lab equipment, planning proactive maintenance schedules to minimize downtime, hiring more staff and reorganizing the team for higher efficiency, moving to a larger lab with more space for testing, and extending lab hours.

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Consistent, Accurate, Easy-to-Understand Results

Our lab equipment and processes have been fine-tuned to provide reliable results with minimal variation, and your Lab Liaison can walk you through the reports to ensure you understand the data at all times. If results show a problem, we always tell the truth and work with you to correct it.

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Premium Service

As a C4 customer, you are assigned a Lab Liaison whose sole job is to serve you and make your job easier.

If you test with C4 often, you can also join the Chronic Customer Program for even more perks, including priority service and discounts.

C4 Leadership

Meet the team behind C4's science and service.

Jessica Crozier

Jessica Crozier

Director of Operations

Dakota Villanueva

Dakota Villanueva

Director of Laboratory Services

Jillian Blaney

Jillian Blaney

Technical Laboratory Director

Neethi Santhan

Neethi Santhan

Quality Assurance Manager

laboratory liaisons

C4's Lab Liaisons make the testing process painless by interpreting results, answering questions, going above and beyond to help you.

In the News

C4 is an active advocate for accurate, honest testing that helps businesses and their consumers make more informed decisions. Learn more about our latest events and features in the news.

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