You should be fine if both tests turn up negative. They wouldn't go to the trouble of testing it to make sure its yours if both of them are negative, mainly because they aren't getting paid to.

I would say you should be alright.
tits Reviewed by tits on . Sub pee not warm enough today, gave second sample of my own... I took a drug test today at LabCorp. Took my buddies' piss in to sub it. I was a fucking dumbass and didn't think to check the thermometer before I walked out. Not warm enough. Gave a second sample of my own piss. They're sending both samples off to be tested. Question: If both turn up negative, is there anyway they can tell if one sample is my piss and the other is my friends. If so, will they go to those lengths to determine that? If so again, what does that mean for me? Basically, am I good Rating: 5