In the body, alcohol metabolizes rapidly by converting most of the alcohol to acetyldehide and acetate (95%) and the rest is released with urine (5%). Rapid alcohol metabolism causes early detection is recommended to check alcohol levels. Detection of alcohol content, can be taken from blood, urine and hair, besides that it can also be checked through the breath. In the blood, alcohol levels usually peak at 60-90 minutes and persist in the blood between 10-12 hours after consumption. In urine can be detected 20-24 hours after ingestion and persist in the urine about 3-5 days, in the blood between 10-12 hours and the longest is in the hair around 90 days. Although it can be detected in blood and urine, the easiest alcohol examination carried out by means of an alcohol level check which directly assesses alcohol from the breath.