Federal Drug & Alcohol Testing

We help you stay compliant through onsite and clinic-based testing.

Clarity Testing Services provides comprehensive federally regulated drug and alcohol testing programs tailored to the needs of safety-sensitive employers. Whether you need DOT, non-DOT, or NRC testing, we ensure full compliance with federal regulations, whether at your job site or in our facility. Our process is streamlined, reliable, and guided by decades of combined experience working with companies in construction, logistics, infrastructure, and other high-risk industries.

Why Employers Choose Clarity

• Compliance-focused. We stay ahead of DOT, NRC, and non-DOT standards.
• On-site testing in professional mobile units.
• Fast turnaround and efficient reporting.
• Nationwide coverage through TPA partnerships.
• Trusted by union trades, transport, and infrastructure sectors.
• Post-accident and reasonable suspicion testing support.
• Secure digital recordkeeping and chain-of-custody documentation.

What’s Included

• DOT Drug Testing: For FMCSA, PHMSA, FRA, FAA, and other federal agencies. Includes pre-employment, random, post-accident, return-to-duty, and follow-up testing. We use only certified labs and collectors trained in DOT protocols.
• Non-DOT Testing: Policy-driven testing designed around employer-specific standards. Includes both urine and oral fluid collections. We assist with policy development and implementation.
• NRC Drug Testing: Protocols for nuclear safety-sensitive positions. Prioritized accuracy, chain-of-custody, and documentation.

Alcohol Testing: DOT-compliant breath alcohol and non-DOT saliva testing. Administered by certified BATs using calibrated devices.

What Makes Clarity Different?

Clarity goes above and beyond to ensure that our clients receive comprehensive and convenient drug testing services.

• Medical Review Officer (MRO) Services: Our licensed MRO reviews and verifies results, ensuring clarity and compliance for both employers and employees. We help deliver defensible, properly communicated outcomes.
• Mobile Testing Services: All services are available at your location through our mobile fleet. These units are fully equipped and staffed to handle on-site testing, often completing full testing pools in a single visit. Ideal for remote locations, shift workers, and large crews.
• Compliance Guidance: We stay current on state and federal drug testing updates and offer policy support, annual reviews, and random program tracking.