4949 Queen Ave

Harrisburg, PA 17109




Sun - Thurs 8am - 5pm

Friday  8am-3pm

Closed Saturdays

Emerald Badges - Spring 2018

Profile & Potency

Pesticide Detection

Residual Solvents

Microbial Detection

Heavy Metal Detection

Macroscopic Inspection

Strain Confirmation

Customized Services

We are proud to be the first female owned and operated analytical testing laboratory to receive state approval for medical marijuana testing. 

Contact Us now to have our services customized for you!

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.

Location & Hours

Keystone State Testing

Keystone State Testing

 is an independent, locally owned analysis, biotechnology, and research facility.  Through scientific process we seek to enable cultivators, dispensaries, manufacturers, and consumers with knowledge and transparency. We are committed to excellence by ensuring accuracy, safety, speed, reproducibility, and cost effective solutions for our clients.

Micro,Artisan and Home Brewing

Farmer, Manufacturer & Baker

Property Owner