Frequently Asked Questions (FAQs)

  • Arrowhead Drug Screening provides comprehensive DOT and non-DOT drug and alcohol testing solutions for employers, owner-operators, collection sites, and occupational health providers. Our services include:

    • DOT & Non-DOT Drug and Alcohol Testing

    • Third-Party Administrator (C/TPA) Services

    • DOT Consortium Management

    • Random Testing Program Administration

    • Nationwide Collection Site Network Access

    • Mobile & On-Site Drug and Alcohol Testing

    • 24/7/365 After-Hours & Emergency Testing

    • Post-Accident Testing

    • Reasonable Suspicion Testing

    • Return-to-Duty & Follow-Up Program Management

    • FMCSA Clearinghouse Support

    • Previous Employer Drug & Alcohol History Inquiries

    • DOT Physical Exam Coordination

    • Medical Review Officer (MRO) Services

    • Compliance Consulting & Regulatory Support

    • Drug & Alcohol Policy Development

    • Employer & Collection Site Audits

    • Respiratory Fit Testing

    • Occupational Health Services

    • DOT Collector Training

    • Oral Fluid Collector Training

    • Breath Alcohol Technician (BAT) Training

    • Reasonable Suspicion Supervisor Training

    • Designated Employer Representative (DER) Training

    • DOT Program Management Training

    • Agency-Specific Rules & Regulations Training

    Whether you need a single service or complete program management, we provide customized solutions designed to keep your organization compliant, efficient, and workplace-safe.

  • Arrowhead Drug Screening combines regulatory expertise, responsive customer service, and practical industry experience to deliver compliance-focused solutions that go beyond basic program administration.

    Regulatory Expertise
    Our team understands the complexities of 49 CFR Part 40 and agency-specific regulations for FMCSA, FTA, FAA, FRA, PHMSA, and other DOT-regulated industries. We help clients navigate changing requirements while maintaining compliance.

    Audit Readiness & Compliance Support
    We assist employers, collection sites, and occupational health providers with audit preparation, program reviews, compliance assessments, and best practices to reduce risk and improve program effectiveness.

    Mobile Testing & Rapid Response
    Our network of qualified mobile DOT specimen collectors and Breath Alcohol Technicians (BATs) provides professional on-site testing services when and where they are needed.

    Forward-Thinking Approach
    The drug and alcohol testing industry continues to evolve. We stay ahead of regulatory changes, including DOT oral fluid testing implementation, helping clients prepare for emerging requirements and industry developments.

    Personalized Customer Service
    Every organization has unique needs. We provide responsive, individualized support and practical solutions tailored to your workforce, operations, and compliance obligations.

    Local, Accessible, and Available
    Based in the Pacific Northwest, we are readily available to support our clients and provide timely assistance when questions or situations arise.

    Our goal is simple: help employers maintain compliance, improve workplace safety, reduce administrative burdens, and confidently manage their drug and alcohol testing programs.

  • Yes. Arrowhead Drug Screening provides mobile and on-site drug and alcohol testing services throughout the Pacific Northwest, including after-hours, emergency, and post-accident testing situations. Our team can travel directly to your workplace, job site, terminal, or designated location to perform compliant testing with minimal disruption to operations.

    For employers located outside our local service area, we can often coordinate after-hours and emergency testing through our nationwide collection site and service provider network. Contact us to discuss your testing needs and establish a customized after-hours testing solution.

  • When you work with Arrowhead Drug Screening, you gain a trusted compliance partner—not just a service provider. We take the time to understand your organization, identify your compliance requirements, and build a program that works for your business.

    Our clients appreciate having direct access to knowledgeable professionals who can answer questions, provide guidance, and help navigate complex situations. Whether you're onboarding new employees, managing a random testing program, responding to a post-accident event, preparing for an audit, or implementing a new testing policy, we're here to support you every step of the way.

    We focus on communication, responsiveness, accuracy, and compliance so you can spend less time managing testing requirements and more time running your business with confidence.

  • A DOT consortium is a group of employers combined into a shared random testing pool. Consortiums help DOT-regulated employers meet federal random testing requirements while simplifying program administration and compliance.

  • If you are an owner-operator or a DOT-regulated employer without enough employees to maintain your own compliant random testing pool, joining a DOT consortium is often the most practical way to meet DOT random testing requirements.

  • Joining a DOT consortium is simple. Employers provide basic company and employee information, complete enrollment paperwork, and begin participating in a compliant random testing program administered by a Third-Party Administrator (TPA).

  • DOT drug and alcohol testing requirements apply to safety-sensitive employees regulated by FMCSA, FTA, FAA, FRA, PHMSA, and the USCG.

  • A safety-sensitive employee performs duties that could impact public safety, such as operating commercial motor vehicles, public transit vehicles, aircraft, trains, or pipelines.

  • DOT regulations require testing for pre-employment, random, post-accident, reasonable suspicion, return-to-duty, and follow-up situations depending on the employee's role and circumstances.

  • Yes. DOT oral fluid testing is authorized under 49 CFR Part 40. However, employers can only use DOT oral fluid testing when a qualified oral fluid collector and a DOT-certified laboratory approved for oral fluid testing are available.

  • Not necessarily. Employers should work with their TPA, collection provider, and laboratory to ensure all regulatory requirements can be met before implementing DOT oral fluid testing.

  • DOT drug tests screen for marijuana metabolites (THC), cocaine (COC), amphetamines (AMP), opioids (OPI), and phencyclidine (PCP) using federally regulated testing procedures.

  • Reasonable suspicion testing occurs when a trained supervisor observes specific, contemporaneous signs or symptoms indicating possible drug use or alcohol misuse by an employee. Contact us about training.

  • DOT agencies require supervisors of safety-sensitive employees to receive reasonable suspicion training. Requirements vary by agency, but training is a critical component of a compliant DOT drug and alcohol testing program. Contact us about training.

  • Most DOT reasonable suspicion supervisor training programs require a minimum of 60 minutes of signs and symptoms of drug use and 60 minutes of alcohol misuse and cover the physical, behavioral, speech, and performance indicators of probable substance use.

  • The FMCSA Clearinghouse is a secure federal database that tracks commercial driver's license (CDL) driver drug and alcohol program violations, return-to-duty processes, and compliance status.

  • Yes. FMCSA-regulated employers must conduct pre-employment Clearinghouse queries and annual limited queries for CDL drivers operating commercial motor vehicles.

  • An employee who violates DOT drug and alcohol regulations must be immediately removed from safety-sensitive duties and complete the return-to-duty process before resuming covered functions. Follow-up testing may also be required and is determined by the Substance Abuse Professional (SAP).

  • The return-to-duty process includes evaluation by a qualified Substance Abuse Professional (SAP), completion of recommended education or treatment, a return-to-duty test, and follow-up testing as required by the SAP.

  • Yes. Employers with both DOT-covered and non-DOT employees may implement separate workplace drug testing policies for non-DOT personnel, provided the programs remain clearly separated.

  • DOT drug testing follows federally mandated procedures and regulations. Non-DOT testing is governed by employer policies and applicable state laws and may include different testing panels and procedures.

  • Yes. Owner-operators performing safety-sensitive functions must participate in a DOT-compliant random testing program and maintain compliance with applicable agency regulations.

  • A C/TPA (Consortium / Third-Party Administrator) helps employers manage drug and alcohol testing programs, random selections, compliance requirements, training, recordkeeping, and regulatory changes, reducing administrative burden and compliance risk.