etg testing know the facts scram ethyl glucuronide and ethyl sulfate in time since alcohol intake urine by liquid chromatography how long can an etg test detect alcohol cation compliance by lc ms ms stest alcohol etg sche vakhandel cation compliance by lc ms ms cation compliance by lc ms ms cation compliance by lc ms ms cation compliance by lc ms ms urine by liquid chromatography urine by liquid chromatography urine by liquid chromatography how long can an etg test detect alcohol cation compliance by lc ms ms cation compliance by lc ms ms how long can an etg test detect alcohol