Random Testing Programs
DOT-compliant and non-DOT random drug and alcohol testing with automated selection, scheduling, notification, and audit-ready record keeping. The program runs itself - you just define the rules.
How Random Selection Works
Random testing is a program - not a one-time event. The system manages pools, selection, notification, and documentation continuously throughout the year.
Define the Testing Pool
Employees subject to random testing are organized into pools based on DOT agency, position type, or organizational policy. Pools can be DOT-specific (FMCSA, FAA, etc.) or non-DOT.
Random Selection
The system uses a scientifically valid random selection method that gives each person in the pool an equal chance of being selected during each selection period. DOT programs follow federally mandated selection rates.
Notification & Scheduling
Selected employees are notified and must report for testing within the required timeframe. For DOT testing, notification must be immediate and the employee must proceed directly to the collection site.
Collection & Testing
Testing follows the same collection and laboratory process as any drug or alcohol screening. DOT tests use DOT-certified collection sites and follow federal chain of custody requirements.
Documentation & Audit Trail
Every selection, notification, collection, and result is documented. The system maintains audit-ready records showing compliance with selection rates, notification procedures, and testing requirements.
DOT Random Testing Requirements by Agency
Each DOT agency sets minimum annual random testing rates for its regulated industry. These rates are the minimum percentage of the testing pool that must be tested each year.
| Agency | Industry | Drug Rate | Alcohol Rate | Covered Positions |
|---|---|---|---|---|
| FMCSA | Trucking & Motor Carriers | 50% | 10% | Applies to CDL holders performing safety-sensitive functions |
| FAA | Aviation | 25% | 10% | Flight crews, mechanics, dispatchers, security screening |
| FTA | Public Transit | 50% | 10% | Bus operators, rail operators, maintenance workers |
| FRA | Railroad | 25% | 10% | Engineers, conductors, signal maintainers, dispatchers |
| PHMSA | Pipeline | 50% | 10% | Pipeline operations and maintenance personnel |
Note: DOT random testing rates are subject to change based on annual industry positive rate data. PSBI updates selection rates automatically when DOT agencies publish rate changes. Rates shown are current as of the most recent DOT announcements.
Non-DOT Random Programs
Random testing isn't just for DOT-regulated employers. Many organizations implement voluntary random programs for workplace safety, insurance, or policy reasons.
Workplace Safety
Random testing creates an ongoing deterrent against substance use for positions where impairment creates safety risks - manufacturing, construction, heavy equipment operation.
Insurance Requirements
Some workers' compensation carriers and insurance providers offer premium discounts or require random testing as a condition of coverage.
Organizational Policy
Many organizations implement random testing as part of a drug-free workplace program, even without regulatory mandates. The deterrent effect is the primary benefit.
State Requirements
Some states require or incentivize random testing for specific industries or as part of drug-free workplace certification programs.
Random Testing Is a Program - Drug Screening Is the Test
Random testing defines who gets tested and when. Drug screening is the actual test that gets run. PSBI manages both: the random program (pools, selection, scheduling, documentation) and the drug screening itself (collection, lab analysis, MRO review, results).
How Pricing Works
Random testing program pricing includes the program management fee (pool administration, random selection, scheduling, documentation) plus per-test costs for each drug or alcohol screen performed. Per-test costs follow the same structure as standard drug screening: PSBI service fee plus lab and collection fees.
Related Services
Drug Screening
The testing methods, panels, and processes that execute each random selection. Pre-employment, post-accident, and reasonable suspicion testing also available.
Learn MoreOccupational Health
DOT physicals, fit-for-duty exams, and other occupational health testing that complements drug screening programs.
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See how PreSearch manages random testing programs and DOT compliance for your organization.