The Coast Guard has raised the 2019 minimum random drug-testing rate to 50% of crewmembers, because recent positive results crossed the 1% threshold that triggers a step-up in testing.
It’s the first increase after a six-year stretch while the rate held at 25%.
Employers must submit test data for each calendar year by mid-March of the following year. Starting in 2018, mariners in safety-sensitive positions were being tested for semi-synthetic opioids in addition to marijuana, cocaine,...
https://www.workboat.com/news/government/coast-guard-steps-up-random-drug-testing/