The rate of positive drug tests among U.S. workers hit a 14-year high last year with marijuana topping the list of most commonly detected illicit substances, an analysis released today by Quest Diagnostics shows.
Ten states and the District of Columbia have OK’d recreational marijuana for adults, and in more than half of all states medical marijuana is legal. The state initiatives pose problems for employers and mariners — or potential mariners — who may use marijuana when not at work.
Federal...
https://www.workboat.com/news/government/positive-drug-tests-among-u-s-workers-hits-14-year-high/