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.
Use this as a rule of thumb â these are averages for the number of bottles needed per hour per guest: 1  For every 25 guests, you will need 17 bottles of beer, 4 bottles of wine and 1 bottle of liquor (per hour). 2  For every 50 guests, you will need 34 bottles of beer, 7 bottles of wine and 2 bottle of liquor (per hour).