Massachusetts Labs Must Test Medical Marijuana
Massachusetts is the first state that will require independent labs to test the safety and quality of marijuana sold for medical use, under final rules that regulators unanimously approved Wednesday. The tests will screen for contaminants such as heavy metals, pesticides, and mold. They will also identify and measure the active chemical compounds in the marijuana. An earlier proposal would have allowed marijuana dispensaries to conduct their own testing, but state officials said that to ensure the integrity of the tests, they [...]