Why is a drug test required?
The purposes of most drug testing (pre-employment, post-accident, school, random) is to detect the presence of drug use. Qualitative urine tests are used to quickly screen the sample for the presence of abused drugs. If the sample is positive for a certain drug, further testing is available if requested. Proresults can send the sample to the laboratory for GC/MS quantitative analysis.
The purposes of most drug testing (pre-employment, post-accident, school, random) is to detect the presence of drug use. Qualitative urine tests are used to quickly screen the sample for the presence of abused drugs. If the sample is positive for a certain drug, further testing takes place by sending the sample to the laboratory for GC/MS quantitative analysis.
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