However, the most susceptible variable in blood testing for alcohol levels is determined by the actual methodology of the blood drawing. First and perhaps most obvious, the sample is at risk of alteration by an alcohol swab before the needle is inserted.
Alcohol advertising is the promotion of alcoholic beverages by alcohol producers through a variety of media. Along with tobacco advertising, alcohol advertising is one of the most highly regulated forms of marketing. Some or all forms of alcohol advertising is banned in some countries. There are important studies about alcohol advertising published, such as J.P. Nelson's in 2000.
Consequently, there is a growing demand for more effective alcohol testing, screening, and detection methods in the American workplace. Indeed, more and more companies are employing alcohol screening tests and random alcohol tests as part of their workplace drug and alcohol testing program or alcohol testing policy.