
Drug Screen Process: Step-by-Step from Collection to Results
Workplace drug screening follows a standardized chain-of-custody process designed to produce legally defensible results. Understanding how each step works, from
Practical guidance on workplace drug and alcohol testing, DOT compliance, and regulatory requirements. Our blog covers real-world processes, common compliance challenges, and industry updates to help employers navigate highly regulated testing programs with confidence.

Workplace drug screening follows a standardized chain-of-custody process designed to produce legally defensible results. Understanding how each step works, from

Choosing between urine, hair, and saliva drug testing comes down to what you need to detect, how far back, and

In 2018, the Farm Bill separated hemp from marijuana under the law, making CBD products with less than 0.3% THC

Reasonable suspicion testing is a testing category permitted under 49 CFR Part 40 and required by DOT agency regulations when

A DOT drug and alcohol testing program involves multiple parties, each with a defined role under 49 CFR Part 40.

The 10-panel drug test is one of the most common configurations for employer-based screening, particularly in industries where the standard

If you manage a DOT-regulated workforce, you have likely seen the term “5-panel drug test” on paperwork, lab reports, or

If you’re an employer building or budgeting a workplace drug testing program, you’ve probably noticed that most online pricing information

If you manage a fleet, supervise CDL drivers, or oversee any DOT-regulated workforce in Colorado, breath alcohol testing is not

Most compliance failures in workplace drug testing don’t happen at the collection site. They occur months or years earlier, when