Well, yeah. The government said those are OK, and the government is never wrong. They have people with guns that say so.

It's not legal for a company to force you to be drug tested. You can always say "no" and walk away. Unfortunately, it is in almost every state totally legal for your employer to fire you for absolutely no reason, so long as they aren't discriminating against for you on the basis of race, color, national origin, religion, sex, or disability.

Interesting, I assumed it was legal for them to force you (unintentional Canadian ignorance on the issue).

Thanks for the clarification!

Just to be clear: I'm saying they can effectively force you, in the sense that they can fire you if you don't comply.