1. Laboratory Safety Symbols

2. Biohazard
Biohazardous materials are present. Wear gloves and dispose of them properly. Wash your hands after handling.
Examples: blood, animal tissues, viruses, bacertia

3. 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.

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

5. No Food or Drink
No food or drink allowed in lab.

6. 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.

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