Q.E.D. Saliva Alcohol Testing The Q.E.D. Saliva Alcohol Test is the on-the-spot leader in the rapid, accurate and quantitative determination of alcohol in saliva. With a high correlation to blood-alcohol levels, Q.E.D. has a testing range of 0-145 mg/dL and provides quantitative results in minutes. Its Reliable, Fast, Simple... Non-invasive Quantitative results in minutes Reads like a thermometer No instrumentation Long shelf life Built-in QA Spot assures quality control for every test