Avert potential violations when transporting toxic substances with Labelmaster's Toxic Worded Placards. Available in a variety of materials, these Hazard Class 6 placards meet the requirements of 49 CFR 172.500 for domestic and international shipments of hazardous materials by highway, rail and water. Just as you do, we take our jobs seriously. With the extensive DOT standards and various regulations testing we perform on every placard we print, you can rest assured that your shipping placard solution is fully compliant.