Last year, the rate of positive drug test results among American workers reached its highest rate since 2001, Quest Diagnostics reports. The company’s analysis shows the positivity rate was up more than 30% in the combined U.S. workforce from an all-time low in 2010–2012. Moreover, overall positivity in the federally mandated, safety-sensitive workforce, based on […]
Tag: Quest Diagnostics
Positive drug test results for transportation and warehousing workers have increased by double digits over a two-year period, according to Quest Diagnostics.