Abstract
This article describes tests taken on animals, guinea-pigs. The purpose is to investigate if by means of graphs which show the blood alcohol content on the moment of taking the alcoholic beverage and of the first and second blood test taken from the animals-the moment a person has taken them alcoholic beverage can be fixed. I.e. on basis on only the blood tests and the blood alcohol content one can calculate, the moment of drinking and the alcohol content of that moment.