Post-Accident Testing: When It Is Required and the Time Limits
When DOT post-accident drug and alcohol testing is required under 49 CFR 382.303, which drivers must test and the 2-, 8- and 32-hour time limits.
Drug & Alcohol Testing
FMCSA drug testing rules, Clearinghouse, random testing pools.
5 articles in this topic
Reasonable Suspicion Testing and Supervisor Training
What carriers need to know about reasonable suspicion drug and alcohol testing, the observation rules, test time limits and required supervisor training.
Random Testing: Rates, Selection and Common Mistakes
How DOT random drug and alcohol testing works under 49 CFR 382.305, including annual rates, fair selection, notification and the mistakes auditors find.
Pre-Employment Drug Testing Rules for CDL Drivers
Pre-employment drug testing rules for CDL drivers under 49 CFR 382.301, including verified negatives, the limited exception, and related checks.
DOT Drug and Alcohol Testing: Who Must Be Tested Under Part 382
Find out which drivers and employers fall under Part 382 drug and alcohol testing, which vehicles trigger it, and the six types of required tests.
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