According to this previous discussion it takes 72 hours for alcohol to leave your system completely.
Without meaning to be judgmental, do you think maybe you have a problem with alcohol?
your ok it takes about 1 hour to remove each beer from your system. Of course this is for the average 170 lbs non-smoking male that is healthy. This ” removal” is bringing it down to about 0.05 BAC
Most urinalysis test check for drugs not alcohol. Breathalyzer’s are used for this because of the cost savings. Based on your question you will pass.