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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).
What isneeded is a reliable test that can detect alcohol use for at least several days after use, a reliability standardsimilar to testing for other drugs of abuse.Ethylglucuronide, EtG, has recently been introduced in the United States and an assay for EtG is nowcommercially available.