Tag: hair drug testing

Hair testing

Common questions about hair testing

May 29, 2019 By

Quest Diagnostics answered many questions about hair drug testing during our webinar, but here are a few of the most commonly asked questions.

Hair testing

DATIA focus: Why Brazil Chose Hair Drug Testing

May 24, 2018 By

The Brazilian government faced challenges to reduce traffic fatalities and decrease drug use by drivers. Read more in DATIA focus.

News

United Nations spotlights hair drug testing in Brazil

May 2, 2018 By

International dignitaries and experts gathered at the United Nations to share with the world how Brazil uses hair drug testing to help keep its roads safe.

News

Quest opens largest toxicology lab in Latin America

March 23, 2018 By

The largest and most modern Latin American toxicology laboratory was recently opened by Quest Diagnostics and LABET in São Paulo, Brazil.

Drug Testing

Guide for drug testing laws

March 1, 2018 By

Download our Guide for Drug Testing Laws as a reference to illustrate how drug testing laws can differ from state to state.

Webinars

Webinar: Understanding drug testing laws

February 13, 2018 By

Employers turn to drug-free programs to help keep employees safe and productive; however they still have questions about running an effective program.

Hair testing

Hair testing helps to protect safety

August 29, 2017 By

In the interest of safety and public health, Brazilian lawmakers enacted a mandatory hair drug test for professional drivers. Read our new case study.

Hair testing

Ask the experts: Effects of hair treatments on drug test results

June 27, 2016 By

Some employers who use hair drug testing as part of their workplace drug testing program ask if hair products can have an impact on their drug test results.

News

Quest Diagnostics & Labet offer hair drug testing in Brazil

March 7, 2016 By

Quest Diagnostics and Labet offer hair drug testing for professional drivers in Brazil after a new law was passed to improve transportation safety.

Oral Fluid testing

Ask the experts: Under the influence

September 8, 2014 By

Is oral fluid is the best drug test specimen type for determining whether an employee is under the influence of drugs – particularly marijuana?