One National Consortium for Carriers and Owner-Operators
AZC Drug Testing has managed FMCSA drug and alcohol testing programs for motor carriers and owner-operators since 1996. Every program follows 49 CFR Part 382, which sets who must test and when, and 49 CFR Part 40, which controls how each specimen is collected, analyzed, and verified.
Our FMCSA Random Drug & Alcohol Testing Consortium pools together carriers from across the country into a single testing pool to meet the FMCSA required testing rates. Your membership, your pool, and your enrollment certificate ensure you are covered, no matter where your drivers run or where your company is based. Drivers may test at in-network collection sites nationwide, while our compliance team manages pool membership updates, quarterly random draws, reporting, and audit preparation records.
Are You Required to Submit to an FMCSA Drug Test?
FMCSA testing covers every driver who needs a CDL and every employer who dispatches them. That includes owner-operators, fleets of any size, intrastate drivers, and Canadian or Mexican carriers operating in the United States. A vehicle qualifies when it:
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Has a gross vehicle weight rating of 26,001 pounds or more -
Carries 16 or more passengers, including the driver
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Hauls placarded hazardous materials
Testing applies to every safety-sensitive function, from driving to loading and inspecting equipment. Marijuana remains prohibited for CDL drivers under federal law, regardless of any state law permitting its use.
What FMCSA-Regulated Companies Need to Know
Carriers keep every Part 382 obligation, even when a consortium handles the testing your program needs:
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A written drug and alcohol policy distributed to every driver
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Educational materials on the effects of alcohol and drug misuse
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Supervisors trained to make reasonable suspicion determinations
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A full Clearinghouse query before hiring each driver, and a limited query on every driver each year
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Records kept for five years for positives and refusals, and one year for negative results
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An annual MIS summary, submitted when FMCSA requests it
Testing applies to every safety-sensitive function, from driving to loading and inspecting equipment. Marijuana remains prohibited for CDL drivers under federal law, regardless of any state law permitting its use.
Types of FMCSA Drug and Alcohol Tests
Part 382 requires six kinds of testing:
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Pre-employment: a negative drug result before a driver performs safety-sensitive work for the first time
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Random: unannounced, at the 2026 minimum annual rates of 50 percent for drugs and 10 percent for alcohol
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Post-accident: after a fatal crash, or after an injury or tow-away crash when the driver receives a citation
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Reasonable suspicion: when a trained supervisor documents signs of use
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Return-to-duty: a directly observed test before a driver resumes work after a violation
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Follow-up: a minimum of six unannounced tests during the first 12 months, or more, up to 5 years, as outlined by a Substance Abuse Professional
Drug tests screen for marijuana, cocaine, amphetamines, opioids, and PCP. An alcohol result of 0.04 or higher is a violation. A result between 0.02 and 0.039 removes the driver from duty for at least 24 hours.
What Happens After a Positive Test or Refusal
A verified positive result, an alcohol result of 0.04 or higher, or a refusal removes the driver from safety-sensitive work immediately. Refusals include failing to appear for a test and submitting an adulterated or substituted specimen.
The violation is reported to the FMCSA Clearinghouse. Since November 18, 2024, states remove commercial driving privileges until the driver completes the federal return-to-duty process. Our SAP follow-up team tracks every required test along the way.
What Owner-Operators Need to Know
An owner-operator cannot select themselves for random testing. FMCSA requires you to join a consortium that pools drivers from many companies, so the selections are genuinely random. The consortium runs the draws and keeps the records proving each selection was fair.
You also act as your own employer. That means registering in the Clearinghouse, designating a consortium/third-party administrator, and running your own driver queries. We can handle each of those for you.
Because our pool is national, your membership travels with you. You stay in the same pool and test at in-network sites wherever your route takes you.
What FMCSA-Regulated Companies Need to Know
Carriers keep every Part 382 obligation, even when a consortium handles the testing your program needs:
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A written drug and alcohol policy distributed to every driver
-
Educational materials on the effects of alcohol and drug misuse
-
Supervisors trained to make reasonable suspicion determinations
-
A full Clearinghouse query before hiring each driver, and a limited query on every driver each year
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Records kept for five years for positives and refusals, and one year for negative results
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An annual MIS summary, submitted when FMCSA requests it
Our consortium supports fleets of every size, from a single truck to hundreds of drivers. Larger fleets receive the same flat annual pricing, the same quarterly selection letters, and the same audit documentation as a solo owner-operator, with a dedicated program manager as the point of contact.
How Our FMCSA Consortium Works
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Enroll online and get your certificate immediately. Select FMCSA on our consortium enrollment page, add each driver position, and download your membership certificate as soon as enrollment is complete.
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Manage your pool in our portal. Add or remove drivers and order pre-employment, post-accident, or reasonable suspicion tests from your online account.
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We run the quarterly draw. Our team utilizes a DOT compliant random selection program to select from the national pool each quarter and contacts you when one of your drivers is chosen.
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Send the driver for testing. The driver reports to the nearest site in our National Preferred Collection Site Network, which avoids out-of-network fees.
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Get verified results in your portal. A SAMHSA-certified lab analyzes each specimen and a Medical Review Officer verifies the result before the record posts to your portal and feeds your annual MIS report.
Know Your Random Program Will Hold Up Before an Auditor Asks
Most compliance gaps surface during an audit, when they are hardest to fix. Our program managers can review where your testing program stands today and close those gaps, whether you need consortium membership or a custom program for a growing fleet.