Tag: federal workplace drug testing program

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Drug Testing Index: A look at 2008 – 2013

November 5, 2013 By

The Quest Diagnostics Drug Testing Index reveals insights into patterns of drug use among the American workforce. As we celebrate our 30th anniversary, we take a deeper look at overall positivity rates and key milestones from 2008 to 2013.

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Drug Testing Index: A look at 2003 – 2007

October 29, 2013 By

The Quest Diagnostics Drug Testing Index reveals insights into patterns of drug use among the American workforce. As we celebrate our 30th anniversary, we take a deeper look at overall positivity rates and key milestones from 2003 to 2007.

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Drug Testing Index: A look at 1998 – 2002

October 22, 2013 By

The Quest Diagnostics Drug Testing Index reveals insights into patterns of drug use among the American workforce. As we celebrate our 30th anniversary, we take a deeper look at overall positivity rates and key milestones from 1998 to 2002.