Abusers who use marijuana on the weekend may still be a workplace danger on Monday or Tuesday, and not test positive after an accident. If you've ever wondered why your post-accident positive tests are low, here's why. If an employer conducts only post-accident testing, the investigation should include all individuals involved in the accident, he says. Your policy bans alcohol. These situations may all be considered work-related, Stutman says.
Substance abusers can be resourceful.
There are numerous products and methods to beat a drug test.