The EtG Hair Alcohol Test can detect ingestion of Ethyl Alcohol within the past 7 to 90 days. EtG is a metabolite of Ethyl Alcohol, and can be detected for longer periods of time after ingestion than simply testing for Ethyl Alcohol. This test is not an under the influence test.
The EtG (Ethyl Glucoronide) Hair Alcohol Test checks for the presence of the Ethyl (drinking) Alcohol metabolite, Ethyl Glucuronide