Laboratory Safety Symbols

Biohazard

Biohazardous materials are present. Wear gloves and dispose of them properly. Wash your hands after handling.

Examples: blood, animal tissues, viruses, bacertia

Corrosive

Corrosive chemicals, such as acids, are present. Do not inhale the fumes or get the chemical on skin or clothing. Wear safety glasses glasses.

Flammable/Combustible

A chemical or material is flammable or combustible. These materials should be kept away from sparks and open flames.

No Food or Drink

No food or drink allowed in lab.

Poisonous/Toxic

Poisonous or toxic materials are present. Avoid contact with skin and wear gloves and safety glasses. Keep under a fume hood. Dispose of properly and wash hands.

Radiation

Radioactive energy is emitted from a piece of equipment (like x-rays). Exposure to radiation should be minimized and monitored.