It marks areas, containers, or equipment where biological materials that could cause infection or disease are present. The universal biohazard symbol is one of the recognizable warning symbols in the world and communicates immediately that specific handling and disposal protocols apply in that space.

On waste containers holding materials, on refrigerators and freezers storing biological specimens, on lab and clinical room doors where biohazardous work is conducted, on equipment used with infectious materials, on sharps disposal containers, and at the entrance to any area where biosafety precautions are required.

Yes. OSHA 29 CFR 1910.1030, the Bloodborne Pathogens Standard, specifically requires warning labels including the symbol on containers of regulated waste, refrigerators and freezers holding blood or infectious materials, and containers used to store or transport regulated materials. OSHA 29 CFR 1910.145 covers accident-prevention signs and tags.

Hospitals and healthcare facilities, clinical and research laboratories, blood banks and plasma centers, veterinary clinics, pharmaceutical and biotech manufacturers, forensic facilities, and any workplace where biological materials are collected, stored, tested, or disposed of.

Yes. OSHA 29 CFR 1910.1030 requires that sharps containers be labeled with the symbol or color-coded red. The label must be fluorescent orange or orange-red with the symbol and the word "BIOHAZARD" in a contrasting color.

The waterproof vinyl resists standard surface disinfectants and cleaning agents used in healthcare and laboratory settings. For areas with chemical cleaning protocols, check individual product specifications.