Originally Posted by ENDelt260
Not only have I been tested, I've failed.
I did a fair amount of research on the subject back in college as I was partying a fair amount.
First, they don't actually test for the drug. They test for the metabolites... the substances produced when your body processes the drug. In the case of marijuana these are fat soluble, so they'll stick around longer than water soluble substances (like those produced by coke or meth). Of course, it's dependent on your body fat. I knew a girl in college that could be clean for a piss test within a few days of smoking due to her extremely low body fat. This knowledge in mind, my last semester of college I quit smoking pot. My consumption of cocaine, LSD, and psylocibin mushrooms, however, increased. As has been mentioned you can be clean for a piss test w/in a day or two of doing coke. Shrooms and acid have similar turnaround times and the added benefit of not being tested for as part of the majority of standard tests. I think I'd rather have an occassional pot smoker working for me than a regular user of acid, coke, and shrooms... but, hey.
IIRC, to be clean for a hair test, you'd have to not smoke pot for 2-3 months. I forget the timeframe for coke, it may have been similar, but the test was designed for coke and is most sensitive to it. When I was graduating college a majority of employers were just doing piss tests. Anheuser Busch does hair tests, though, so I know plenty of folks who've been hair tested.
My favorite research site back in the day was erowid.org. They've got everything from personal experience stories to links to documents on legitimate sites (DEA, FDA, etc). It's a nice spot to get a look at drug culture from a number of angles.
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