DOT Drug Testing Signs-DO NOT FLUSH, DO NOT WASH HANDS

Ensure full DOT drug testing protocol compliance and maintain sample integrity with our bold, easy-to-read “Do Not Flush” and “Do Not Wash Hands” signs. Designed specifically for urine drug screening collection sites, these signs help prevent sample tampering and reinforce federal testing guidelines.

Crafted with durable materials (corrugated plastic)  and vibrant print, they are ideal for restrooms used during DOT urine drug tests in clinics, labs, and occupational health settings.