Hazardous Chemical Exposure Warning Sign - Safety Symbol for Excavation Work #36837 (License: Personal Use)

The image depicts a standard hazard warning sign: a black silhouette of a worker digging with a shovel while holding a steaming container, enclosed in a bright yellow equilateral triangle with a black border. The steam indicates volatile or toxic substances, signaling potential chemical hazards from buried materials like solvents, pesticides, or industrial waste. This symbol is used in occupational safety to prevent accidental exposure during ground disturbance.

Commonly displayed on construction sites, utility work zones, brownfield redevelopment areas, and environmental remediation projects. It serves to inform contractors, engineers, and laborers of subsurface chemical risks, aligning with OSHA and EPA guidelines for hazard communication and site assessment protocols.