Hazmat Placard Compliance Information
Hazmat Placard Compliance Information
All placards sold by Custom Sign Center are designed in compliance with U.S. Department of Transportation (DOT) regulations and reference key labeling systems recognized by OSHA, NFPA, and GHS standards. Below youβll find helpful links and descriptions to ensure your signage meets current safety regulations for hazardous material labeling and transport.
π DOT β Department of Transportation
Link:DOT Placarding Requirements
DOT requires specific placards for the transportation of hazardous materials. Placards must meet strict size, color, and durability requirements depending on the hazard class.
β οΈ OSHA β Occupational Safety & Health Administration
Link:OSHA Hazard Communication (HazCom) Standards
OSHA mandates proper hazard labeling in the workplace. While primarily for in-house labeling, OSHA references can help ensure your transport signage also meets safety communication expectations.
π₯ NFPA β National Fire Protection Association
Link:NFPA 704 Standard for Chemical Hazard Identification
NFPA 704 (the "fire diamond") provides visual hazard ratings for fire, health, reactivity, and special hazards. Often used on buildings and containers, it complements DOT placards in facility-based labeling systems.
π GHS β Globally Harmonized System
Link:GHS Labeling Overview (via OSHA)
The GHS standard helps harmonize labeling across countries. While not required on DOT placards, itβs useful for exporters or those labeling secondary containers.
π Need Help Choosing the Right Placard?
Not sure which placard applies to your shipment? Contact our team or visit the DOT Placards page to browse by hazard class.
Note: Regulations may be updated. Always consult official sources or your compliance officer to ensure proper signage use.

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