Confused about ‘mandatory’ hair testing regs for driver drug tests? Here’s what to know…
![](https://gp1.com/wp-content/uploads/2019/08/Drugs2-002-1024x681.jpg)
Excerpted from CCJ Commercial Carrier Journal by James Jaillet The word “mandatory” has been batted around in headlines and social media posts the last few weeks describing long-in-the-works reforms to […]