Urinalysis is the most common test type for drug testing. Detection of a drug in the specimen is mostly dependent on the detection period and the cutoff levels. Detection period means up to how many days the drug testing can reveal the presence of drugs in specimen. The urine drug test results are matched with cutoff levels, which are already set up by SAMHSA.

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Now-a-days employers are very much concerned about the costs and consequences of inappropriate alcohol consumption by the employees on and off the job. The employers have realized that there is a need for employee alcohol testing at the workplace. For this the employers are using various alcohol testing methods, so that employees come out of alcohol problems and become more productive in their works.

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