Biohazard Symbol - Official Warning Sign for Biological Hazards #67471 (License: Personal Use)

This high-contrast black-and-white biohazard symbol follows ISO 3864-3 and ANSI Z535 standards, ensuring universal legibility regardless of language or lighting. Created in 1966 by Charles Baldwin at Dow Chemical, its symmetrical, non-representational design prevents misinterpretation and maximizes visibility from any angle. It is mandatory on containers, equipment, and facilities handling infectious agents, recombinant DNA, or medical waste.

Used on laboratory doors, sharps containers, bio-waste bags, and safety signage; matches user intent for hazard identification, OSHA compliance, biosafety training, or emergency response guidance.