LaRoc Precision Testing
2155 North Park Lane Ste 204
North Chalreston, SC, 29406

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USCG Drug Test (DOT)
Merchant Marine, United States Coast Guard
Service Description
USCG & DOT Drug Testing for Maritime and Port Workers At LaRoc Precision Testing, we provide reliable and federally compliant U.S. Coast Guard (USCG) and Department of Transportation (DOT) drug testing for maritime and port employees. Whether you’re applying for a Captain’s License or working in a safety-sensitive position, we make the process accurate, confidential, and convenient. What You Need to Know DOT drug tests are always urine-based—hair or instant tests are not permitted. Every test follows strict federal guidelines using a Custody and Control Form (CCF) to document the collection and chain of custody. We also use electronic CCFs (e-CCF) for faster and paperless processing. Our collectors are DOT-trained and complete all required mock collections to ensure every step meets regulation standards. What’s Tested The DOT 5-panel screens for: Marijuana (THC), Cocaine, PCP (Phencyclidine), Opiates (Morphine, Codeine, Heroin), Amphetamines and Methamphetamines, MDMA (Ecstasy) This standardized panel applies to all safety-sensitive transportation employees, including USCG-regulated maritime personnel. Laboratory Process Each specimen is securely sealed and shipped to a SAMHSA-certified laboratory. There are no instant DOT tests. The sample is split into two bottles—Bottle A is tested, while Bottle B is stored for confirmation if requested. Results are reviewed by a Medical Review Officer (MRO) before release, ensuring full accuracy and compliance. Status Updates We keep you informed with updates at each stage: Test completed, Specimen received at lab, Testing finished, MRO review complete,Results ready Why Choose LaRoc Precision Testing Mobile and In-Office Testing: We come to shipyards, ports, and offices across Charleston and the Lowcountry. Fast, Accurate Results: Typically available within 24–48 hours after lab receipt. Confidential & Compliant: Every test meets federal standards and protects your privacy. Trusted by Maritime Professionals: Serving captains, crew members, and port workers with dependable service. Stay compliant and ready to work—contact LaRoc Precision Testing today to schedule your USCG/DOT drug test or request on-site collection for your team.


Contact Details
2155 North Park Lane, North Charleston, SC, USA
1-833-436-9222
Admin@lptsc.com