LABORATORY SAFETY RULES General guide lines. Do not run into or out of the laboratory. Make sure that your school bags, satchels, coats etc are kept safely outside of the lab. Do not eat or drink anything inside the lab. Put your stools in order before you leave the laboratory. Leave the table-top clean, dry and tidy. Tie your long hair. Wear laboratory coat, buttoned up, when asked. Work quietly. ALWAYS……. Wear safety specs, goggles, or a face mask when you are heating anything, or you are doing any experiment that may be dangerous. Ask your teacher if you are not sure how to do something. Follow instructions carefully. Handle Bunsen burner or oil lamps carefully. Keep hands away from face, eyes, mouth, and body while using chemicals or laboratory reagents. Wash your hands with soap / hand wash after experiment. NEVER…… Touch any equipment, chemicals, reagents or other materials until you are instructed to do. Work alone in the lab. without the presence of your teacher. Look down into a test tube that contains chemicals. Point a test tube at anyone while it is being heated. Play with electrical switches. Play with fire. ACCIDENT AND INJURIES: Report any accident (spill, breakage etc) or any injury (cut, burn etc) to your teacher immediately. Do not get panicked. If you or your lab. partner is hurt, call your teacher immediately in loud voice. If a chemical is splashed in your eye(s) or on skin immediately flush for at least 20 minutes. Call your teacher for help. HANDLING CHEMICALS/GLASS WARE/EQIPMENTS Do not taste, smell any chemicals. All chemicals in the laboratory are to be considered dangerous. Avoid handling chemicals with fingers. Use tweezer. When doing observations, keep yourself at least one metre away from the specimen. Read the label on the chemical bottles twice before removing any from the bottle. Take only required amount. Never return unused chemicals to the original bottle. HANDLING CHEMICALS /GLASS/EQUIPMENTS Never handle broken glass with bare hands. Use a brush or dustpan to clean up the broken glasses. Place the broken glasses in the designated container. If you do not understand how to use a piece of equipment, call your teacher for help. Never remove chemicals or other materials from lab. Do not immerse hot glasses in cold water. The glassware may shatter. HEATING SUBATANCES: Do not operate a hot plate by yourself. Do in presence of your teacher. Your hair, clothing, hands should be in a safe distance from heat. Heating glasses remains very hot for a long time. They should set aside in a designated place to cool down. Never look into a container that is being heated. Do not place hot container/ apparatus directly on the laboratory desk. Always use an insulated pad. Allow plenty of time hot apparatus to cool down before handling it.