should, but isn't. what happens instead is they'll collect enough urine for multiple samples, but that's not the point. The point is that the false positive r

should, but isn't. what happens instead is they'll collect enough urine for multiple samples, but that's not the point. The point is that the false positive rate is far below 4% and even they take precautions and the negative outcome of a false positive on a drug test is _far_ less catastrophic than getting arrested. The real point here is that 4% is unacceptable and the only reason you, and others, would ever think it's acceptable is because you don't imagine yourself at risk.