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BLOOD ALCOHOL LEVEL (BAL) MONITORING         The amount of alcohol in your blood stream is referred to as Blood Alcohol Level (BAL). It is recorded in milligrams of alcohol per 100 milliliters of blood, or milligrams percent. For example, a BAL of .10 means that 1/10 of 1 percent (or 1/1000) of your total blood content is alcohol. When you drink alcohol it goes directly from the stomach into the blood stream. This is why you typically feel the effects of …

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…tubes which contain yellow crystals that have been impregnated with a reactive chemical that turns green when alcohol is present. One must breath into the balloon provided and then let it deflate into the tube. The BAL reading appears in about a minute. Final Call assesses BAL with a margin of error of plus or minus .02. The Final Call Breathalyzer is useful because your BAL can be quickly assessed so that you get immediate feedback.