Tag: hair follicle test
Ask the experts: Hair testing vs. hair follicle testing
What is the difference between hair drug testing and hair follicle drug testing? We asked a Quest expert to explain.
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.
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.
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.
Hair drug testing resources
Quest Diagnostics offers additional resources about hair testing for illicit drug use at HairTesting.com.
Hair testing advantages
There are a number of advantages that hair drug testing from Quest Diagnostics offers over alternative testing methods. See the benefits.
