Corrosive & irritating liquid can get trapped underneath and damage skin. Do not wear sandal or open toe shoes as it does not protect you from spill. You can trip over loosely sleeves & cause chemical spill. Put on your lab coat & safety glasses. Never block access to exit & emergency equipment. In case of fire alarm, turn off any electrical equipment. Know how to use fire extinguisher, eye wash, first aid kit & safety shower. Never kneel down because this can trip someone. Turn off all heating sources, gas valves, water faucet in use. Use of cell phone & electrical device are prohibited. Do not wear lab coat outside lab because it still have chemicals. Use of cell phones & all electronic devices is prohibited. Contain information about proper procedure for handling, storing, disposing of chemical substances. 4 modes of entry for chemical exposure: skin, mouth, eye, nose, skin. Chemical residuals are present on bench & glassware.