Carbondale lab blazing a trail in Colorado marijuana testing

When Carbondale’s GreenHill Laboratoriesopened this week, it became the only facility on the Western Slope offering microbial testing on cannabis.

The lab is one of just three certified by the Colorado Department of Public Health and Environment for potentially dangerous mold such as Aspergillus and bacteria including E. coli and Salmonella, which are commonly regulated in commercial consumables.

After a year of build out, documentation and review, GreenHill received its certification on March 24 and had its first customer Tuesday. Validation for potency and homogeneity testing is pending.

Founder and owner Hilary Glass brings years of experience in Wisconsin dairy labs and the vision to be on the cutting edge.

“When cannabis was decriminalized in Colorado, I thought the state would impose some quality standards,” Glass said.


Testing for medical marijuana remains optional, but potency testing is required for recreational marijuana. Now that labs are in place, owner...

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