Keystone State Testing strives to be the gold standard in Marijuana testing by achieving the highest levels of accuracy and precision in analytical solutions while using the highest levels of integrity, rigor and scientific standards.
Keystone State Testing
Keystone is proud to announce the Laboratory has received TWO Emerald Test Badges for the Spring 2018 round of tests. Potency - to demonstrate we accurate report results, and Heavy Metal - to demonstrate we care about accurately detecting contaminants for clients and patients.
Awards & Social Media
Community Service Volunteering
Laboratory Sponsored Programs
Hours: Sun-Thurs 8am - 5pm
22 March 2019: Dr. Greenland is quoted in GenomeWeb Article.
18 June 2018: Keystone State Testing receives TWO Emerald Badges for Spring 2018, Potency & Heavy Metal
14 April 2018: Kelly Greenland, PhD to speak to Analytical Chemists of Pittsburgh and Spectroscopy Society of Pittsburgh
14 February 2018: Keystone begins compliance testing
13 February 2018: Keystone receives ISO17025 accreditation by A2LA covering 16 scopes of analysis
12 February 2018: Senator Mike Folmer mentions visiting Keystone in his weekly memo
18 January 2018: Kelly Greenland, PhD speaks with Dauphin County Bar Association
18 January 2018: Penn Live article about Keystone
17 January 2018: See our lab tour on Penn Live!
1 October 2017: Keystone discussed in MJ Biz article
28 September 2017: Penn Live announces first two approved laboratories in PA
21 September 2017: Keystone awarded medical cannabis testing license in PA
12 September 2017: Keystone published in Cannabis Law PA Blog: Before the Big Drop