PHMSA DRUG AND ALCOHOL TESTING
PHMSA DRUG AND ALCOHOL TESTING

Comply with PHMSA Drug Test Requirements With Our Expertise
Affordable – Customized testing and consortium programs for companies of all sizes
Compliant – Our DOT compliance drug testing programs are designed and administered by our highly trained, certified compliance experts
Comprehensive – All types of drug and alcohol testing provided, including random, pre-employment, and post-accident testing, and audit support services included
Peace of Mind – National network of collection facilities and SAMHSA-certified laboratories with Medical Review Officers
Convenient – Secure reporting system provides easily accessible, certified test results
Customizable – Custom report packages tailored to your needs
Forward-Thinking – Supervisor and employee training provided online in a manner that is fully compliant with regulations
The Pipeline and Hazardous Materials Safety Administration (PHMSA) is one of the Department of Transportation’s (DOT) modes. It is responsible for the safe transportation of hazardous material, including the energy products that make modern life possible. Because of the high risk of catastrophic accidents caused by impairment, the agency requires all covered employees to submit to a PHMSA drug test program. If your organization falls under the jurisdiction of PHMSA testing regulations, you can partner with AZC Drug Testing for your compliance needs.
As a trusted testing partner, AZC Drug Testing has years of experience and a long track record of satisfied clients. We don’t merely provide drug and alcohol testing services. Rather, we offer a comprehensive range of compliance services built on our in-depth expertise. As a result, you can feel confident knowing your company is in full compliance.
Who Is Required to Take a PHMSA Drug Test?
The PHMSA drug and alcohol testing regulation (49 CFR Part 199) and the DOT drug and alcohol testing regulation (49 CFR Part 40) require operators to establish a drug and alcohol testing program for all covered employees.
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All employees who perform an operations, maintenance, or emergency-response function regulated by 49 CFR Part 192, 193, or 195 of this chapter that is performed on a pipeline or on an LNG facility.
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Contractors and employees of contractors.
WHY CHOOSE AZC DRUG TESTING FOR YOUR PHMSA COMPLIANCE NEEDS?
Reporting and Documentation
Testing Procedures
Audit Support
Company Training
Covered Modes of Transportation Under DOT Compliance
The modes of transportation that fall under DOT compliance requirements are as follows:
If your company is regulated by one of those modes, then you are required to be in compliance with all applicable DOT regulations. A friendly representative at AZC Drug Testing will help you understand exactly what you need to do to be in compliance, whether you’re the HR manager at a transportation company or an owner-operator.

AZCDT:
Your Trusted Compliance Partner
For more than 30 years, AZC Drug Testing has been the trusted drug and alcohol testing compliance partner of organizations in all DOT modes, including the PHMSA. Contact AZC Drug Testing today to discuss setting up a custom PHMSA drug test program for your company. Alternatively, you can navigate to our easy online enrollment page to sign up for our consortium program.
Under PHMSA regulations (49 CFR Part 199), all employees and contractor personnel who perform “covered functions”—such as operations, maintenance, or emergency response duties on pipeline facilities or LNG infrastructure—must be included in a compliant drug and alcohol testing program.
Watch & Learn: In Episode 10 of Talking the Whiz Quiz, our compliance experts break down pre-employment requirements and regulatory distinctions across different DOT modes, including pipeline safety and hazardous materials transport.
PHMSA regulations require testing across several mandatory categories: pre-employment, random, reasonable cause/suspicion, post-accident (following a qualifying pipeline incident), return-to-duty, and follow-up testing. Every test requires Medical Review Officer (MRO) verification and strict Federal Custody and Control Form (CCF) procedures.
Watch & Learn: In Episode 7 of Talking the Whiz Quiz, Dr. Scott A. Krasner, MD, joins our team to explain the critical role of a Medical Review Officer in reviewing lab results and verifying regulatory compliance.
PHMSA rules require operators and contractors to maintain an unannounced, scientifically random selection process for all covered pipeline personnel. Pipeline contractors and servicing companies can enroll in AZC Drug Testing’s Consortium/Third-Party Administrator (C/TPA) pool to easily fulfill mandatory annual testing percentages and maintain audit-ready documentation.
Watch & Learn: In Episode 2 of Talking the Whiz Quiz, our compliance specialists explain how random selection pools operate and how enrolling in a C/TPA consortium keeps contractors fully compliant.
A Designated Employer Representative (DER) is authorized by the pipeline employer or contractor to manage the drug and alcohol program. The DER receives verified test results from the MRO, takes immediate action to remove non-compliant personnel from covered functions, manages confidential compliance records, and oversees supervisor training.
Watch & Learn: In Episode 3 of Talking the Whiz Quiz, our experts detail the primary duties of a DER, from managing MRO communications to fulfilling mandatory supervisor training requirements.
AZC Drug Testing looks forward to working with you to help you protect your business by staying in full compliance with all drug testing regulations. Contact us today to take advantage of our expertise.





