DOT-Compliant Testing Services | Drug Testing Service Center (DTSC)
Drug Testing Service Center (DTSC) provides Department of Transportation (DOT)–compliant drug and alcohol testing services in strict accordance with 49 CFR Part 40. We support employers, owner-operators, and safety-sensitive employees regulated by the FMCSA and other DOT agencies, ensuring full compliance and audit-ready documentation.
If you operate under DOT authority, testing is not optional — compliance is mandatory.
Required before a driver performs safety-sensitive duties.
Performed following qualifying DOT accidents in accordance with federal guidelines.
Mobile & On-Site Available
Conducted when trained supervisors observe signs of possible substance use.
Required after a DOT violation before resuming safety-sensitive functions.
Our processes are designed to withstand audits and regulatory review.
Snellville, GA Buford, GA Mobile & On-Site Services AvailableWalk-ins welcome. Appointments recommended.
DTSC is here to help.
