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GCA Labs is a premier scientific research, professional and technical laboratory providing analytical, physical, and chemical testing solutions. GCA Labs is the top-ranked testing facility in the state of Missouri and is based in Herculaneum. At GCA Labs, we believe in providing world-class laboratory testing services by using state-of-the-art analyzers, with consistent and accurate results to determine Potency, Terpenes, Residual solvents, Pesticides, Heavy metals, Microbial, Water Contents, Mycotoxins, Homogeneity, Plant Sex, and Strain Genotype.

Our testing services directly benefit the cultivators, manufacturers, and distributors in the state of Missouri. We provide fast turnaround times to enable efficient and effective production of properly dosed, contaminant-free products.

Emerald Test Badges Show Our Commitment to Good Science in the Cannabis Industry

The Emerald Test™️ is an Inter-Laboratory Comparison and Proficiency Test (ILC/PT) program for cannabis testing facilities. The Emerald Badge™️ is awarded to labs that have been recognized for their capabilities to provide results accurate within specified tolerances. We are pleased to announce that we have been awarded Emerald Badges™️ in each of the ten categories we participated.

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Overview of GCA

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Secure Vehicles
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Spacious Building
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Enclosed Garage
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Dedicated Microbial

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