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Certain bacteria may interfere with drug detection but will not generate a false positive. Fermenting bacteria in the presence of excess glucose may produce ethanol in the bladder and in the specimen cup.

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Recent studies have indicated that low-level positive EtG results can be produced by certain agents like hand sanitizers and mouth wash. The PEthStat^® blood assay is an ideal tool to define low-level positive EtG results. The volume of alcohol required to trigger a positive PEth result is far above the level available from incidental exposure.

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We hold negative samples for three days and positive samples for one year.

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Requested sample volume is 10 milliliters.

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A sample of urine provides a drug history from the last two to three days for most drugs, and an even longer period for marijuana.