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

摘要

In June 2019, Illinois became the 11th U.S. state—plus the Districtof Columbia—to legalize recreational cannabis sales or use.1Many more permit medical cannabis.2 Tax collectors, entrepreneurs, and law enforcement officials have all watched closelyas legalization has hopscotched across the United States since2014.