Drug Tests Alone Aren't Enough: The Need for Supervisory Documentation
One of the most pressing issues for businesses in states where marijuana use is legal is determining employee impairment before taking any adverse action. Unlike alcohol, where a simple breathalyzer test can gauge impairment, marijuana’s effects vary significantly based on consumption method, strain, and user tolerance.
Studies have shown that THC—the psychoactive compound in cannabis—and its metabolites can linger in the body long after the “high” has worn off. Recognizing this, many states have enacted laws requiring employers to prove impairment, not just the presence of THC. Traditional...