No — testing is based on DOT criteria (fatality, citation + tow, citation + injury, etc.).
Regulatory
Compliance.
This combined testing service supports compliance with:
- 49 CFR Part 40 – DOT Drug & Alcohol Testing Procedures
- 49 CFR Part 382 – FMCSA Drug & Alcohol Use and Testing
- FMCSA post-accident testing decision criteria & timeframes
DOT rules require employers to determine whether post-accident testing is needed, attempt tests
within required time windows (alcohol within 8 hours, drug within 32 hours), and document all
attempts and results.

