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.
Well, 1 ton of grapes results in a little more than two barrels of wine. Each barrel contains about 60 gallons, 25 cases or 300 bottles. So 1 ton of grapes yields about 60 cases or 720 bottles. If you put all that together, a very low-yielding vineyard that produces 2 tons per acre makes about 1,440 bottles, or 120 cases, while an acre that yields 10 tons produces about 7,200 bottles, or 600 cases.