Why Panel Scope Determines What a COA Actually Tells You
Building on the COA documentation content discussed elsewhere in this publication, understanding the specific difference between full panel and partial panel testing helps buyers evaluate exactly what protection a given COA actually provides.
What Full Panel Testing Includes
A genuinely complete full panel typically covers cannabinoid potency (including total THC calculation discussed elsewhere in this publication), a complete pesticide screen covering dozens of relevant compounds, heavy metals testing (arsenic, cadmium, lead, mercury at minimum), microbial testing (yeast, mold, E. coli, Salmonella, and relevant pathogens), residual solvent testing for extracted products, and often mycotoxin testing depending on the specific product type.
What Partial Panel Testing Typically Omits
Partial panel testing might include only cannabinoid potency without the broader safety panel, or might cover some but not all safety categories, commonly omitting pesticide screening, heavy metals, or microbial testing while still providing accurate cannabinoid content data for the specific tests performed.
Why Partial Panel Testing Isn't Inherently Problematic
Partial panel testing isn't necessarily deceptive if clearly labeled as such, some legitimate use cases exist for partial panel testing, such as routine in-process quality checks during production where full panel testing on every intermediate step would be impractical, with full panel testing reserved for final released product.
Where Partial Panel Testing Becomes a Compliance Risk
The risk arises when a partial panel COA is presented or perceived as equivalent to full panel testing, particularly if a buyer assumes safety testing was performed when only cannabinoid potency was actually tested. This connects to the documentation transparency discussed throughout this publication, the specific panel scope should be clear, not obscured by generic COA presentation.
How to Identify Panel Scope on a COA
A properly labeled COA should clearly list every specific test performed and its results, rather than using generic language like tested or lab verified without specifying scope. If a COA doesn't clearly enumerate pesticide, heavy metal, and microbial results specifically, assume it may be a partial panel and confirm with the supplier directly.
What to Require From Suppliers
- Full panel testing on finished products intended for sale, not just cannabinoid potency
- Clear labeling of exactly which tests a specific COA covers
- Willingness to provide full panel documentation on request if a partial panel COA is initially provided
- Explanation of testing methodology and scope if any ambiguity exists
Why This Distinction Matters for Compliance Defense
In the event of a product safety question, being able to demonstrate full panel testing on the specific product and batch in question provides significantly stronger compliance defense than cannabinoid-only testing, connecting to the broader documentation completeness discussed throughout this publication.
Low Gravity Hemp provides full panel testing on all finished products, with clear documentation specifying exactly what each COA covers. Contact us to see a sample full panel COA and understand our testing scope.
