Mobile DOT Testing in Fort Collins

On-Site Drug & Alcohol Testing for DOT-Regulated Employers

When a post-accident occurs or a random selection comes through, the last thing you need is to pull a driver or crew member off the job for an off-site trip. Fastest Labs Fort Collins sends collectors who are fully certified and trained in standard DOT compliant practices directly to your worksite, so testing gets done without disrupting your operation. No appointment necessary. We’re available at your place of business or any other location of your choosing, including on short notice.

Our after-hours and post-accident service runs 24/7, which means compliance timelines don’t depend on business hours. Employers who prefer in-lab collection are also welcome to walk in at our Fort Collins facility. Either way, samples go through the same state-of-the-art lab, and results carry the same accuracy.

Ready to bring DOT-compliant testing to your Fort Collins worksite? Call (970) 305-3059 or request an appointment online and we can dispatch to you.

Why Fort Collins Employers Use Our Mobile DOT Testing Program

Sending a safety-sensitive employee off-site for testing costs time and creates scheduling friction, especially for fleet operators, construction crews, and transit employers running active schedules. Our mobile DOT testing program is built to eliminate that friction. As part of a high-volume program of operation developed across the FastestLabs national network, we’ve refined a process that is fast, affordable, and fully compliant with DOT protocols.

What our mobile collections include:

Urine, saliva, and breath alcohol testing using the most advanced equipment and techniques in the industry
Full DOT protocol compliance on every collection, with no shortcuts on chain of custody
Results through our state-of-the-art lab, identical in accuracy to in-facility collections
No minimum group size requirement and no appointment necessary
Reduced wait times compared to other limited DOT-certified facilities in the area

Our partners include Quest Diagnostics, DISA, Psychemedics, Pipeline Testing Consortium, Forward Edge, First Advantage, and Med Pro, giving Fort Collins employers access to a testing infrastructure built for compliance at scale.

Which Employers Need Mobile DOT Testing in Fort Collins

If your workforce includes safety-sensitive employees regulated by any of the six DOT agencies, federal rules require a drug and alcohol testing program. Those agencies are FMCSA, FAA, FTA, USCG, FRA, and PHMSA. Each carries its own specific requirements, and our team is highly knowledgeable of the regulations that apply to each one.

Testing Occasions We Cover

We handle the testing occasions DOT regulations require:

Pre-employment testing before a safety-sensitive employee begins covered duties
Random testing drawn from your random testing pool throughout the year
Post-accident testing with 24/7 dispatch to help meet strict timing windows
Reasonable suspicion testing when a supervisor observes concerning behavior
Return-to-duty testing following a violation and completion of the required process

Colorado Marijuana & Federal DOT Rules

One compliance issue that affects many Fort Collins motor carriers: Colorado’s legalization of recreational marijuana doesn’t change federal DOT rules. Under 49 CFR Part 40, THC remains a prohibited substance for CDL drivers and other safety-sensitive employees regardless of state law. FMCSA Clearinghouse reporting requirements, which tightened in late 2024, add further obligations for Designated Employer Representatives managing covered drivers.

Our commitment to fast results, affordable rates, and unparalleled customer service means Fort Collins DOT-regulated employers have a reliable compliance partner ready to come to them. Call (970) 305-3059 or request an appointment online to get started with mobile DOT testing in Fort Collins, and we can come to your worksite prepared to handle the collections your program requires.

DOT-Approved Testing Methods: What Each Involves

Federal regulations specify which testing methods are approved for each type of DOT collection. Understanding how they work helps employers and Designated Employer Representatives set accurate expectations for the mobile testing process.

Urine Drug Testing

Urine drug testing is the primary DOT-approved method for drug testing under 49 CFR Part 40 and is required for all DOT-mandated drug test occasions. Every urine collection follows chain-of-custody procedures using a Federal Custody and Control Form (CCF), which documents the specimen from collection through laboratory analysis. Before any non-negative result reaches the employer, a Medical Review Officer reviews the laboratory findings to verify accuracy and rule out legitimate medical explanations.

Saliva Drug Testing

Under a May 2023 DOT Final Rule, effective June 1, 2023, oral fluid testing was authorized as an alternative testing methodology for DOT-regulated employers, and agency-specific rulemaking has continued to develop since. Where authorized, saliva collection offers a less invasive option while maintaining the same chain-of-custody standards that govern urine collections.

Breath Alcohol Testing

Breath alcohol testing uses an evidential breath testing device and is the DOT-approved method for alcohol testing under 49 CFR Part 40. A breath alcohol technician (BAT) administers the test. When a screening result comes back at or above 0.02 BAC, federal rules require a confirmation test before any action is taken. FMCSA currently requires a minimum 50% random drug testing rate and 10% random alcohol testing rate for covered drivers, making a consistent, reliable collection process essential for program compliance.

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