DOT DRUG TESTING

DOT DRUG TESTING SERVICES

DOT-Compliant Drug Testing Solution for Employers & Safety-Sensitive Employees

At Palmetto Compliance & Testing, Our DOT 5-Panel Drug Testing services are designed to help employers and safety-sensitive employees remain compliant with U.S. Department of Transportation (DOT) regulations.

A DOT drug test is a federally regulated drug screening required for employees working in safety-sensitive positions within the transportation industry. The primary purpose of DOT drug testing is to promote workplace and public safety by ensuring employees are not using illegal substances or misusing prescription medication that could impair their ability to safely perform job duties.

DOT DRUG TESTING SERVICES COMING SOON

Palmetto Compliance & Testing is actively expanding its testing capabilities to provide DOT-compliant drug testing services for employers, owner-operators, and safety-sensitive employees throughout South Carolina.

JOIN OUR NOTIFICATION LIST

Be the first to know when services become available

REQUEST EMPLOYER ACCOUNT INFORMATION

Learn more about corporate accounts and future service options.

CONTACT US FOR UPDATES

We’re here to answer your questions and help you prepare.

WHO IS REQUIRED TO TAKE DOT DRUG TESTS?

DOT drug testing requirements apply to employees performing safety-sensitive functions including:

Commercial Drivers (CDL Holders)

Pilot & Aviation Personnel

Railroad Conductors

Pipeline Workers

Ship Captains & Crew Members

Transit & Bus Operators

Other DOT-Regulated Transportation Employees

DOT 5-PANEL DRUG SCREEN

The DOT 5-Panel drug test screens for the following federally regulated substances:

Marijuana (THC)

Cocaine

Opiates

Amphetamines & Methamphetamines

Phencyclidine (PCP)

COMING SOON

STRICT DOT TESTING PROCEDURES

All DOT drug testing is conducted under strict federal guidelines established by the Department of Transportation.

DOT testing procedures include:

Professional specimen collection procedures (typically urine collection)

Strict chain-of-custody documentation to protect sample integrity

Laboratory testing performed by certified laboratories

Review of results by a qualified Medical Review Officer (MRO)

Secure and confidential handling of all testing information

TYPES OF DOT DRUG TESTING

DOT drug testing programs may include several testing situations, such as:

PRE-EMPLOYMENT TESTING

Required before performing safety-sensitive job duties.

RANDOM DRUG TESTING

Unannounced testing conducted throughout the year.

POST-ACCIDENT TRAINING

Required following certain workplace accidents or incidents.

REASONABLE SUSPICION TESTING

Conducted when trained supervisors observe signs or behaviors suggesting possible drug use.

RETURN-TO-DUTY TESTING

Required after a previous DOT violation before returning to safety-sensitive duties.

FOLLOW-UP TESTING

Ongoing testing as part of a return-to-duty program.

CONSEQUENCES OF POSITIVE RESULTS

Employees who test positive or refuse a DOT drug test are immediately removed from performing safety-sensitive job functions. Before returning to duty, individuals must complete the federally required return-to-duty process, which may include evaluation by a Substance Abuse Professional (SAP), recommended treatment or education, a negative return-to-duty test result, and follow-up testing requirements.

WHY CHOOSE PALMETTO COMPLIANCE & TESTING?

We are committed to helping employers and safety-sensitive employees navigate testing and compliance requirements with confidence.

Professional & Confidential Service

Accurate, Reliable & Compliant

Employer-Focused Solutions

Convenient Scheduling Options

Mobile Services (Coming Soon)

Dedicated Support You Can Count On

WHY CHOOSE PALMETTO COMPLIANCE & TESTING?

Professional Collection Procedures

Strict Confidentiality Standards

Accurate Documentation & Record-keeping

Employer-Focused Support

Compliance-Oriented Servives

Reliable & Responsive Customer Care

MOBILE DOT SERVICES COMING SOON

We’re working to bring convenient mobile DOT collection services directly to employers and job sites, helping reduce downtime while supporting workforce compliance needs.

INDUSTRIES WE SERVE

Transportation & Trucking

Aviation

Railroad

Maritime

Pipeline & Energy

Government Contractors

Transit & Bus Operators

And More

Proudly serving employers, owner-operators, and safety-sensitive professionals throughout South Carolina.

FREQUENTLY ASKED QUESTIONS

DOT testing is federally regulated drug testing required by the U.S. Department of Transportation for safety-sensitive transportation employees such as drivers of commercial motor vehicles.
DOT drug testing follows a federally required 5-panel urine test that screens for marijuana, cocaine, amphetamines, opiates, and PCP.
A valid photo ID and employer or consortium authorization form (if applicable) are required before testing.
DOT drug testing is required for employees who operate commercial motor vehicles requiring a CDL and work under agencies such as FMCSA, FAA, FTA, PHMSA, and FRA..
DOT testing is required for pre-employment, random, post-accident, reasonable suspicion, return-to-duty, and follow-up testing.
Negative results are typically reported within 24–48 hours after laboratory processing. Positive results require Medical Review Officer (MRO) verification, which may take longer.
Positive results must be reviewed and verified by a certified Medical Review Officer (MRO). Employers are notified only after confirmation and proper federal review procedures.

CANCELLATION POLICY

All appointment cancellations are non-refundable. Appointments may be rescheduled if the request is made at least 24 hours prior to the scheduled appointment time. Reschedule requests made less than 24 hours before the appointment will be subject to a $50.00 rescheduling fee. Clients who fail to appear for their appointment without notice (“no call, no show”) we be required to pay for a new test appointment.