243 refresher training requirements

For Designated Employer Representatives (DERs), drug and alcohol testing doesn’t always follow a clean checklist. Real-world scenarios can be messy. Rules can overlap. And decisions made in a split ...

For Designated Employer Representatives (DERs), drug and alcohol testing doesn’t always follow a clean checklist. Real-world scenarios can be messy. Rules can overlap. And decisions made in a split ...

In Part 2 of our DER series, we break down the exact steps—and common errors in audits—across both alcohol and urine drug testing procedures. If your clinic or collection site hasn’t revisited your ...

Being named a Designated Employer Representative (DER) isn’t just a title—it’s a critical responsibility. For railroads and other Department of Transportation (DOT) regulated organizations, the DER ...