Confirmation Cutoff Levels and Methods Urine Screening Methodology In order to determine if a urine specimen is negative or positive for drugs of abuse, all specimens are initially screened by an enzyme immunoassay (EIA) procedure.
On average, 2 people can finish a full bottle of wine in  2.5 hours. A 750 ml (0.75 L) bottle of wine is 25.36 oz. If you drink a bottle of wine a week for your entire adult life you will consume about 2,970 bottles of wine.
Confidence votes 16.4K. On average it takes the body 3 hours to metabolize one ounce of wine. Therefore, a standard five ounce glass of wine will be in your system for approximately 15 hours. It takes about an hour for the body to metabolize one standard drink (five ounces of dinner wine).