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[PDF File]Laboratory Testing Reference Guide
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Analytes and Their Cutoffs Effective Date: October 1, 2010 Reference: Federal Register, November 25, 2008 (73 FR 71858), Section 3.4 . Initial test analyte Initial test cutoff concentration Confirmatory test analyte Confirmatory test cutoff concentration Marijuana metabolites 50 ng/mL THCA1 15 ng/mL

[PDF File]CUT-OFF AND TOXICITY LEVELS FOR DRUGS-OF-ABUSE …
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Some information on Drug Testing Under the Federal guidelines, drug testing has two cutoff levels for positive detection. That is, labs that follow the guidelines consider drug testing to be negative if detection is below either cutoff level. In the case of urine analysis, drug testing cutoff levels are measured in nanograms per milliliter (ng/ml).

How Long Does Meth Stay In Your System Urine - Factors | Addict …
Drug (and Some common Detectable duration Urine cut–off points Toxic Blood reference trade name) street names in urine after for reporting positive blood level (therapeutic) range last dose or limit of quantitation* Pentobarbital Goof balls, 2 days 425 ng/mL (S)(1) >11 µg/mL

[PDF File]Some information on Drug Testing - Alliance2020
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The sensitivities of meth test kits can vary wildly. Where one might show no meth present, another can identify significant levels of meth. You must be clear on the capabilities of the testing service you use, before you commit to buying that service. As a rule of thumb, lab based testing will always be more sensitive than an infield/self ...

[PDF File]MAKING SENSE OF METH TESTING
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using urine drug concentrations are just plain wrong!While well intentioned and seemingly logical, the utilization of urine drug test levels generally produces interpretations that are inappropriate, factually unsupportable, and without scientific foundation. Worst of all for the court system, these interpretations have little, if any, forensic ...

[PDF File]D COURT NSTITUTE PRACTITIONER
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levels that exceed the accepted contamination level of 0.5 ug/100 cm2. Reports from California law enforcement and child protective services have indicated that many children associated with parents using methamphetamine have been found to test positive for methamphetamine in urine samples. In many of these cases, the parents

[PDF File]Methamphetamine Contamination on Environmental Surfaces ...
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Laboratory’s (RTL) urine screening and confirmation procedures/cutoff levels. The routine cutoff levels listed may periodically change. Note: some cutoff levels may differ for your agency. The analytical methods used by RTL are scientifically accepted and approved by the U.S. Department of Health and Human Services. URINE SCREENING METHODOLOGY

Meth levels in urine test