Tag: urine drug test
Fixed-site collection network
Quest Diagnostics provides unparalleled access to a combined nationwide network of more than 8,000 drug testing collection sites.
DOT’s top 10 steps to collection site security and integrity
By following these 10 steps, our collection sites continually ensure that they maintain the integrity of the collection process.
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.
New to drug testing: Instant vs. lab-based
During my first year of employment, I’m writing a weekly column highlighting drug testing procedures, products and processes as I discover them.
Evaluating lab-based and instant drug testing
We presented a webinar with Bill Current about instant vs. lab-based drug testing. Here are some of the most commonly asked questions.
Webinar: Worth the wait? Instant vs. lab-based drug testing
Instant drug testing is one of several terms used to describe a testing method that yields an immediate result where the drug test is administered.
New to drug testing: Dr. Sample
During my first year of employment, I’m writing a weekly column highlighting drug testing procedures, products and processes as I discover them.
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.
Synthetic cannabinoid user profile
The first study to obtain a detailed profile of users of synthetic cannabinoid was published in the May 20 issue of the CESAR report.
Quest Diagnostics acquires Concentra’s laboratory business
Quest Diagnostics, announced today that it has acquired the toxicology and clinical laboratory business of medical center operator Concentra.
