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Articles covering DOT regulations, employer drug testing programs, alcohol testing rules, and practical guidance for businesses and individuals in the DC metro region.
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Not all drug tests are the same. DOT-regulated testing follows strict federal protocols under 49 CFR Part 40, while non-DOT testing is governed by employer policy. Understanding the difference is the first step toward a compliant program.
Read article →A random testing program requires a written policy, a testing pool, and a selection method that holds up to scrutiny. Here's what employers in Virginia and DC need to know before getting started.
Read article →Under DOT rules, a confirmed BAC of 0.04 or higher is a DOT violation. But there's also a cautionary range between 0.02 and 0.039 that removes a driver from duty. We break down what each result triggers and why documentation matters.
Read article →DOT-regulated employers must test under specific circumstances — pre-employment, random, post-accident, reasonable suspicion, return-to-duty, and follow-up. Missing any one of these can put your company's compliance at risk.
Read article →Sending employees to a clinic takes them off the job. Mobile testing brings the collection to your site — office, yard, or job site — with all required supplies and documentation handled on arrival.
Read article →A Medical Review Officer is a licensed physician who reviews all non-negative DOT drug test results before they're reported to the employer. Their role protects both the employee and the integrity of the process.
Read article →After a qualifying accident, DOT regulations require drug and alcohol testing within specific timeframes. Waiting too long — or skipping the test — can put your company out of compliance and expose you to serious liability.
Read article →Reasonable suspicion testing requires a trained supervisor to document specific, observable signs of impairment. Knowing what qualifies — and what doesn't — helps protect your employees and your program from challenges.
Read article →Chain of custody tracks a specimen from collection through lab analysis and MRO review. Any gap in that chain can invalidate a result — which is why every step of the collection process follows a strict protocol.
Read article →Despite state-level legalization across much of the country, marijuana remains a federally prohibited substance under DOT rules. A positive result is still a DOT violation regardless of where the employee lives or works.
Read article →An employee who violates DOT drug or alcohol rules can't simply return to a safety-sensitive position. Return-to-duty and follow-up testing — managed through a Substance Abuse Professional — follows a defined process before reinstatement.
Read article →Pre-employment testing is one of the most common drug screening occasions for both DOT and non-DOT programs. Understanding the process — from collection to results — helps both employers and new hires know what to expect before day one.
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The FAQ page covers the most common questions about DOT and non-DOT testing, alcohol testing, and how appointments work.