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A drug test (also often toxicology screen or tox screen) is a technical analysis of a biological specimen, for example urine, hair, blood, breath, sweat, or oral fluid/saliva—to determine the presence or absence of specified parent drugs or their metabolites.
However, the United States Supreme Court ruled in Skinner that random drug testing is permissible for employees in safety sensitive positions. Justice Kennedy, speaking for the majority, wrote: [T]he Government interest in testing without a showing of individualized suspicion is compelling.
The Department of Transportation (DOT) has also stated in its Drug and Alcohol Testing Regulations that cannabis is not acceptable for any employee engaged in safety sensitive work. Currently, there are federal laws that give employers guidance and protection on how to ensure a drug free workplace despite the increase in cannabis use.
Implemented in 2014, the National Registry rule requires all Medical Examiners (ME) who conduct physical examinations and issue medical certifications for interstate CMV drivers to complete training on FMCSA's physical qualification standards, pass a certification test, and demonstrate competence through periodic training and testing.
Most cannabis drug tests yield a positive result when the concentration of THC-COOH in urine exceeds 50 ng/mL. [10] Urine testing is an immunoassay based test on the principle of competitive binding. Drugs which may be present in the urine specimen compete against their respective drug conjugate for binding sites on their specific antibody.
An applicant is disqualified for a period of time for other convictions, if the applicant was convicted in the past seven years and/or released from incarceration resulting from conviction within the past five years, for: Unlawful acts involving firearms, extortion, fraud (does not include welfare fraud and passing bad checks), bribery ...
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The walk-and-turn test is composed of two phases: the Instruction Phase and Walking Phase. During the test, the individual is directed to take nine steps along a straight line. The individual is supposed to walk heel to toe, and while looking down at a real or imaginary line, count the steps out loud. The test subject's arms must remain at ...
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