Cannabis Contaminants Pt 2: Regulating Solvents, Microbes, and Metals in Legal Weed

My latest feature for Environmental Health Perspectives is a follow-up to my April feature addressing the regulation of pesticide residues on legal cannabis. This second story tackles the similarly fraught world of regulating three other common cannabis contaminants: microbes, metals, and solvent residues.
In the story, I write: "Neither the Food and Drug Administration nor the Environmental Protection Agency has provided any guidance on how to regulate contaminants or on which cannabis-related exposures can be considered safe. States have had to determine on their own how to protect millions of cannabis users, and they have come up with widely varying responses. The result is an uncertain and occasionally incoherent regulatory landscape."
Read the whole thing right here.