Walk through the ERG 2024 Page 1 decision tree. Answer YES / NO to reach the correct Orange Guide, table, or next-step reference for an incident.
RESIST RUSHING IN
Approach the incident from upwind, uphill and/or upstream. Stay clear of all spills, vapors, fumes, smoke, and potential hazards.
Warning: Do NOT use this flow chart if more than one hazardous material is involved - call the appropriate emergency response agency immediately (see emergency contacts). For chemical, biological, or radiological agents see the Criminal/Terrorist Use section.
Match the placard's color and symbol to determine the hazard class, then use the appropriate Orange Guide for that class.