Just a quick follow up-looks like I passed! Employer said they'd call by Weds if there was a problem and never got the dreaded call! Will start work Monday
MagickalDonut Reviewed by MagickalDonut 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