Tag: hair follicle test

Ask the experts: Hair testing vs. hair follicle testing
We asked our scientific expert to better understand hair testing terminology and the hair testing collection process. Continue reading

By   /  July 3, 2014

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

By   /  June 27, 2013

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

By   /  May 28, 2013

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

By   /  May 23, 2013

Hair testing 101: Combing through the science
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.” Continue reading

By   /  May 6, 2013

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

By   /  January 21, 2013

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

By   /  August 9, 2010