Positive tests for marijuana hit 14-year high in workplace.

PositionIn The News...

Last year, 4.4% of U.S. workers tested positive for marijuana in workplace drug tests, up from 4.2% in 2017 and the highest level since 2004, says a Quest Diagnostic study of 10 million tests. Positive tests for opiates, heroin and cocaine all declined. Read our...

To continue reading

Request your trial

VLEX uses login cookies to provide you with a better browsing experience. If you click on 'Accept' or continue browsing this site we consider that you accept our cookie policy. ACCEPT