Answer:
There are different methods for drug testing: oral, urine, blood, hair, and sweat tests. In these procedures, specimens are usually taken and sent to laboratories for analysis.
different types of drug screens?
DRUG TESTING METHODOLOGIES. ...
URINE TESTING. ...
HAIR TESTING. ...
ORAL FLUID TESTING. ...
EVIDENTIAL BREATH ALCOHOL TESTING. ...
DEPARTMENT OF TRANSPORTATION (DOT) ALCOHOL TESTING. ...
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