Weaver Lab provides a comprehensive suite of DOT-compliant drug and alcohol testing services designed specifically for school and company needs.
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Our testing program covers all federally mandated testing categories while offering additional options to enhance your transportation safety program.
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Types of Testing Offered
Testing Category
Pre-employment
Random
Post-accident
Reasonable suspicion
Return-to-Duty/Follow-up
Implementation Approach
Conducted for all new drivers before they operate heavy machinery
Computer-generated selection process ensuring qualifying incidents
Supervisor accompanies driver to the lab for testing immediately following accident
Initiated based on trained supervisor observations
Strict monitoring following violations
Timing
Results available before first assignment
Meets current DOT rates: 50% for drugs, 10% for alcohol
Within DOT-specified timeframe
Available on-demand when signs of impairment are observed
Minimum of 6 random tests over 12 months
Enhanced Testing Options
Beyond mandatory requirements, we offer additional services to strengthen your safety program.

Voluntary Periodic Testing
Designed for bus drivers as an extra safety measure.
Comprehensive Transportation Department Testing
Covering non-CDL staff like teachers and coaches.
Expanded Substance Panels
Detecting a wider range of substances beyond the standard DOT 5 panel test when requested.
Our thorough testing approach serves as both a deterrent and detection measure, significantly reducing the likelihood of impairment-related incidents.

Testing Methods & Location Flexibility
On-Site Mobile Testing Unit
We bring collection services directly to your facility!
DOT Approved Alcohol Testing
Approved Breath Alcohol Testing devices are used for our alcohol testing services by certified Breath Alcohol Technicians (BATs).
Optional Facility-Based Testing
We also offer testing at our local office for your convenience.Â
Random Testing
Our computer-generated selection process ensures truly random selection while maintaining the required testing percentages.