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Keystone State Testing strives to be the gold standard in cannabis testing by achieving the highest levels of accuracy and precision in analytical solutions while using integrity, rigor and scientific standards.

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4 January 2021: Dr. Kelly Greenland quoted in Marijuana Business Daily on "Lack of standards, dubious business practices".

17 November 2020: Dr. Kelly Greenland and Robert Gearhart of Keystone State Testing LLC assist PSU with CBD study "Certain CBD oils no better than pure CBD at inhibiting certain cancer cell lines"

20 October 2020: Keystone State Testing assists with The Potency Determination of 15 Cannabinoids using the Hemp Analyzer.

14 September 2020: Keystone State Testing assists with the preservation and augmentation of volatile terpenes in cannabis inflorescence.

20 February 2020: Keystone State Testing completes re-accreditation of ISO:17025 to 2017 standard  with 84 methods on the scope covering hemp and marijuana in flower, plant and processed forms.

27 January 2020: Robert Gearhart Jr. speaks at Pennsylvania State University Extension during Hemp Production Workshop

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21 March 2023: Dr. Kelly Greenland speaks at PittCon 2023 about the challenges of trying to capture and trap elemental contaminants in the aerosol generated by corrosion of the vape’s metal components during the heating/vaping process.

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