Tag: hair follicle test

Hair testing

Ask the experts: Hair testing vs. hair follicle testing

July 3, 2014 By

We asked our scientific expert to better understand hair testing terminology and the hair testing collection process.

Hair testing

3,221 Drug users off the road thanks to hair testing

June 27, 2013 By

Positive results for drug use have kept more than 3,200 prospective drivers from getting behind the wheel for J.B. Hunt Transport Services Inc.

News

Truck drivers and hair drug testing

May 28, 2013 By

While DOT regulations mandate urine drug testing, a number of motor carriers have found value in performing supplemental hair testing.

New to Drug Testing

New to drug testing: Hair testing

May 23, 2013 By

During my first year of employment, I’m writing a weekly column highlighting drug testing procedures, products and processes as I discover them.

Hair testing

Hair testing 101: Combing through the science

May 6, 2013 By

Hair drug testing is the only method that provides up to a 90-day drug use history. View our webinar, “Hair Testing 101: Combing through the Science.”

Hair testing

Hair drug testing resources

January 21, 2013 By

Quest Diagnostics offers additional resources about hair testing for illicit drug use at HairTesting.com.

Hair testing

Hair testing advantages

August 9, 2010 By

There are a number of advantages that hair drug testing from Quest Diagnostics offers over alternative testing methods. See the benefits.