Browse the latest compliance guidance, occupational health insights, transportation safety resources, and regulatory updates from On Site & In Compliance.
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Hiring a Driver With a Clearinghouse Violation: What Are You Actually Taking On?
A Clearinghouse violation does not automatically mean a driver can never be hired. But before moving forward, employers should understand the return-to-duty process, follow-up testing requirements, and the responsibilities they may be taking on.
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Does Your Drug-Testing Panel Actually Test for the Drug You’re Concerned About?
A “5-panel” or “10-panel” drug test may not include every substance an employer assumes it does. Learn why non-DOT employers should verify their testing panel—and how additional testing for DOT-regulated employees must remain separate from the required DOT test.
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Drug Testing Compliance is Moving Again: Is Your Program Keeping Up?
Several major drug-testing updates are moving at once. Learn what ODAPC’s revised urine collection guidelines, the new Federal CCF, marijuana rescheduling, and possible changes affecting DOT oral fluid testing could mean for employers and their policies.
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Why Employers Need to Vet Their Service Agents
When employers use a collection site, MRO, SAP, C/TPA, or other DOT service agent, it can feel like the program is being handled for them. But under DOT rules, the employer still remains responsible for compliance. Here’s why employers should understand who they are trusting with their DOT drug and alcohol testing program — and…
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Who Is Responsible for Clearinghouse Queries?
Many employers assume their C/TPA handles all Clearinghouse responsibilities. Learn where employer responsibilities begin, what support a C/TPA can provide, and how communication plays a critical role in maintaining compliance.
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5 Questions to Ask Before Joining a Random Testing Consortium
Not all consortiums provide the same level of support. These five questions can help employers evaluate communication, compliance support, documentation, Clearinghouse assistance, and audit readiness before selecting a C/TPA.
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Contractor Drivers and DOT Compliance: Who is Responsible?
Many employers mistakenly place contractor drivers into their own random testing consortium without fully understanding DOT compliance responsibilities. Learn why employers must vet contractors and verify who is responsible for random testing, Clearinghouse queries, DER duties, and follow-up testing programs.