| A | B |
|---|
| disposal | special procedures to follow cant be put in regular sink or trash |
| biological | bacteria, fungi, blood or materials |
| extreme temperature | objects can burn hands from being too cold or too hot |
| sharp object | can easily puncture skin |
| fume | danger to respiratory tract |
| electrical | danger from shock or burn |
| irritant | pollen, fiberglass, irritates the skin or mucous membranes |
| chemical | bleaches, peroxide, requires goggles, gloves and apron |
| toxic | poisonous if touched |
| flammable | can be ignited by fire, spark |
| open flame | fire with flames |
| eye safety | protect eyes |
| clothing protection | when substances can stain clothing |
| animal safety | ensure safety of students and animals |
| handwashing | after every lab before leaving |
