Practical guidance on DOT compliance, occupational health, transportation safety, workplace testing, and regulatory updates from Occupational Safety On Site.
On Site & In Compliance is the official blog of Occupational Safety On Site, created to provide practical guidance on DOT compliance, occupational health, transportation safety, workplace testing, and regulatory updates.
Latest Articles
- 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 what questions they should be asking. - 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. - 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. - 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.