Key numbers, rules, and procedures for DOT urine collections — all in one place. Bookmark this page and refer back whenever you need a quick reminder.
These errors cancel the test immediately. There is no correction — a new collection must be performed.
These errors can be corrected with a written statement — but must be addressed promptly. Contact the MRO or your DER if one occurs.
Specimen temperature falls outside 90–100°F (32–38°C). Here's exactly what to do.
Donor cannot provide a sufficient specimen (less than 45 mL). Do not cancel — follow these steps.
A refusal to test is treated the same as a positive result under DOT regulations.