What Kind Of Tests Do Police Use To Check For Alcohol? When an officer suspects that a driver is under the influence of alcohol, they may request that the driver take a chemical test. Chemical tests include: 1. Breath tests 2. Blood tests 3. Urine tests Each of these tests must be administered in a precise way to ensure accurate results, otherwise, false positives may be obtained. If you submitted to a chemical test and were then charged with a DWI, you can still fight the charges. Learn more. Levow DWI Law 196 Morgan St #200 (201) 367-2646 https://maps.google.com/maps?cid=9060342780638546228