Is the 80 alcohol test true

All tests are subject to some range of error. Issues of usage, time from usage.

I assume you mean 80 hours between the last drink, and an alcohol test. Yes it's true for most people but there are exceptions to every rule, and each individual may have unique circumstances that sets them above, OR BELOW the averages.

What's your story?

Yes, The rumors you have heard are true!

Quote:

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EtG/EtS is a laboratory based urine test that will detect the presence of alcohol up to 80 hours after consumption. This is sometimes referred to as “The 80 Hour Alcohol Test” or "Alcohol Urine Test" and tests for Ethyl Glucuronide and Ethyl Sulfate. This is the Ethyl Glucuronide urine test or EtG testing of alcohol in urine. What is the EtG alcohol detection time? Up to 80 hours after consumption of alcohol, depending upon amount consumed and the metabolism of the person being tested.
Ethyl Glucuronide (EtG) and Ethyl Sulfate (EtS) are metabolites produced by the body only after the consumption of alcohol has been consumed. EtG and EtS are excreted from the body in various ways.

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Why do you ask?