Cannabis flower sold in Colorado claims to contain much more tetrahydrocannabinol, or THC, than it actually does, according to my findings published in the peer-reviewed journal PLOS One. THC is the ...

Legend Technical Services, one of only a few fully operational labs for cannabis and hemp products in Minnesota, has been ordered by state regulators to halt testing. On Wednesday, the Minnesota ...

Massachusetts regulators will take action if THC potency is not within 75% to 125% of the value printed on the product label.

Arizona dispensaries are required to test cannabis products for potency and contaminants. Testing regulations, implemented in 2020, cover potency and contamination from microbials, heavy metals and ...

The Massachusetts Cannabis Control Commission is auditing THC potency levels on product labels to ensure public health and ...

A majority of cannabis flower products purchased at licensed retail pot shops in Colorado contained less THC than indicated on the label, according to a study performed by a researcher at the ...

Several independent laboratories that test cannabis products are calling for more state regulation, saying the current environment encourages dishonesty among testing companies and leads to the ...

MCR’s lawsuit alleges that eight marijuana testing labs use deceptive practices to pass samples that should never reach dispensary shelves, ultimately resulting in MCR losing dozens of clients MCR ...

DENVER — Elizabeth and Luke Mason, scientists who met during graduate studies at Colorado State University, saw cannabis legalization in 2012 as an opportunity. With backgrounds in biochemistry, ...

State regulators are a major step closer to ending their four-year long legal battle with cannabis testing lab Viridis Laboratories. An administrative law judge overseeing a case brought by Viridis ...

A study showed that many cannabis testing labs nationwide may misrepresent the strength and growth of mold on products. The year-long study, conducted by MCR Labs in Massachusetts, requested data from ...

On Jan. 1, California shut down testing of popular products at a majority of pot labs previously certified to check the potency of cannabis flower, in a drastic move intended to combat widespread ...