Missing chain-of-custody copies is the number one finding. Here is the checklist we run before every audit — and the four other gaps that show up right behind it.
The RTD test is easy to remember. A five-year schedule of unannounced, directly observed tests is not — and it travels with the driver to their next employer.
If you added a zero-tolerance rule or extra substances, those must be clearly separated from federal requirements. It is in nearly every downloaded template we review.