PSI Labs is Michigan's first Safety Compliance Facility to hold both adult-use and medical licenses, offering a full suite of services including compliance and R&D testing. In July 2021, PSI expanded its services to Monrovia, California with the acquisition of pH Solutions, one of California’s first cannabis testing laboratories. Our services include but are not limited to on-site sampling, cannabinoid profile, terpenoid profile, foreign matter exams, microbiological screening, mycotoxin screening*, moisture testing, water activity testing, residual solvent screening, pesticide analysis and heavy metals analysis. *California only PSI Labs also offers specialty consultations such as environmental testing, R&D support for formulation and analysis and internal laboratory on-boarding services.