Quote Originally Posted by Burnt Toast
If they happen to make a fuss about the fact that there was no urine present in the toilet, simply tell them that you were able to urinate just enough to provide 2 ounces and nothing more. 2 oz is enough sample for any U/A.

Thanks for the reply Burnt Toast. Do you think it would arouse suspicion if there was only 2 oz in the cup, and none in the toilet? I plan on using Ultra Pure, which I heard doesn't have much of a smell to it. I don't want them to think I subbed.

Also, would it be a bad idea to urinate in the toilet? Could they test the urine that is in the toilet?
bigigantic Reviewed by bigigantic on . Subbing with drug test at concentra I have a drug test coming up for pre-employment. The test is done at concentra. I would prefer to sub out of any other option. I bought "Ultra pure pre-mixed synthetic urine" made by ultra klean? It is only the 2 oz version, and I heard that the minimum needed in the cup is 2 oz. Will they notice that there's no urine in the toilet? At Concentra they prevent you from flushing, and they have a blue liquid in the toilet bowl. I feel like it is dangerous to use my dirty (real) urine to fill the Rating: 5