
It’s been less than a decade since Colorado became the first U.S. state to legalize recreational marijuana. Today, it’s legal to consume in 25 U.S. states and territories, as well as in Washington, D.C. But in most of these regions, recreational cannabis use has been legal for less than five years.
In other words, cannabis use is on the rise, but not enough time has passed for a clear consensus about testing to emerge, let alone a clear set of best practices.
That’s not to mention the fact that the national Drug Enforcement Agency still considers marijuana a Schedule I drug.
As a result, many employers are still wondering whether (and how) they should test their employees for cannabis use.