Chelsea City Offices: 305 S. Main St., Suite 100, Chelsea, MI 48118 | 734-475-1771 | Monday-Friday 8:00 a.m. - 4:00 p.m., Monday to 6:00 p.m.
1 Hair alcohol tests detect alcohol use over a longer period of time than any other type of alcohol testing protocol (for instance, hair tests for alcohol can provide accurate test results regarding alcohol use going back months or even years).
1 Although a blood test can detect drugs, it is mostly used to test for alcohol. 2  Breath screening â An evidential breath test (EBT) is the most common test for finding out how much alcohol is in the blood. 3  Breath Alcohol Technicians (BATs) perform EBTs using a device approved by the National Highway Safety Administration.