False positive for alcohol urine

    • [DOC File]Alcohol and Drug Test and Collective Bargaining

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      a. 140 million (>50% of U.S.) used alcohol past month . b. 53 million used an illicit substance past year . ... Standard urine drug screens identify a limited # of drugs . ... False-positives and false-negatives are common. D. Therefore this lecture covers:

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    • DRUG TESTING PROTOCOL

      The following medications and substances may trigger a false positive response by the qualitative urine drug screen (DAU) for categories underlined below. This presumptive positive result becomes a false positive if, on confirmatory testing by the UDrugA (Gas Chromatography/Mass Spectrometry), the presence of this medication or substance is not ...

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    • [DOC File]10-144

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      Terms used to describe alcohol in products that must be avoided include: denatured alcohol, SD alcohol, ethanol or ethyl alcohol. Use of the products detailed below or any other product containing alcohol is a violation of this contract and will NOT be allowed as an excuse for a positive test result.

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    • [DOCX File]Forensic Toxicology Student Notes

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      The drug test must specifically target the drug that the driver tested positive for on the previous test. Follow-up testing: If a driver has tested positive for drugs/alcohol and has been through rehabilitation, the employing company must drug/alcohol test the driver at least 6 times during the first 12 months of employment.

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    • [DOC File]COMPANY POLICY ON DRUGS AND ALCOHOL

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      Samples of his blood and urine were taken. He was probably given narcotics for pain but urine screens would have been drawn to make sure there would be no adverse interactions.(CTpp.195-202) The results of a urinalysis and other tests were identified by Dr. Page. The tests were positive for benzodiazepines, cannibanoids, cocaine, opiates and PCP.

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    • [DOC File]Drugs-Forum Home | Drugs-Forum

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      False positive results can be registered if there are interfering substances. Must know what drug you want to test for because the kits are specific for a particular drug. Example: a screening kit that tests for cocaine will not detect barbituates. ... (usually a blood or urine alcohol test) is done following chain of custody in order to be ...

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    • [DOCX File]Urine Specimen Management Procedure

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      A ‘false positive’ may occur where the person has not taken the illicit substance being tested but the test result shows positive for the substance. A wide range of substances, including over-the-counter (OTC) and prescribed medicines can produce false positives. It is therefore important to note all medicines which the patient is taking ...

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    • [DOC File]New Guidelines for Use of Alcohol Markers ...

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      may be pre-renal, renal or post-renal in origin. Stale urine or contamination with bleaches may give a false positive result.

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    • [DOCX File]www.alcoholmedicalscholars.org

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      alcohol in blood or urine 0.02 g/100ml. MDMA 250 ng/mL. MDA 250 ng/mL. ... In those instances where a false positive result was reported, a retrospective investigation of client specimen records must take place to determine if similar errors had occurred. This investigation must be documented and a copy of that documentation, along with a plan ...

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    • What Are the Causes of a False Positive in ETS or ETG Alcohol Testi…

      A survey conducted several years ago by the National Institute of Drug Abuse, a government agency, found that 20 percent of the labs surveyed mistakenly reported the presence of illegal drugs in drug-free urine samples. False positive test results also occur when drug screens confuse similar chemical compounds.

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