This HND piece delves into the matter of drug testing, from its beginnings to the present. Millions of such tests are run each year in private industry, sports teams, and for compliance with government regulations. There are some who think it is pointless, but ask them how they would feel if all such DOT tests were eliminated? They would have no problem with an impaired pilot, right?
False positives can still be a problem, including the fabled poppy seeds/opioid detection issue. In rare cases, lab errors can occur. Lab certification is great, but proper education of the employees is also essential.
Read the complete article.