In the latest release of the Quest Diagnostics Drug Testing Index, its senior director of science and technology noted that, over the past five years, there have been small increases in post-accident positivity rates in urine drug testing that have led to dramatic changes. A review revealed a significant increase in positive post-accident drug tests for both the federally mandated, safety-sensitive and United States general workforces. Data showed a 30 percent increase since 2011.
Post Accident Positivity Climbs Among American Workers
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