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Safety Rules

Do not eat food, drink beverages, or chew gum in the laboratory. Do not use lab glassware as containers for food or beverages.
Perform only experiments and lab procedures authorized by the instructor. Do not do anything that is not called for in the lab procedures. Pay attention to all instructions, written and oral.
Never fool around in the laboratory. Horseplay, practical jokes, and pranks are dangerous and prohibited.
Know the locations and operating procedures of all safety equipment including the first aid kit, eyewash station, safety shower, fire extinguisher, and fire blanket. Know where the fire alarm and the exits are located.
Dispose of all chemical waste properly according to the teacher. Never mix chemicals in sink drains, only water and solutions designated by the instructor. Insoluble materials are to be disposed in the waste containers. Check label of all waste containers
Keep hands away from face, eyes, mouth and body while using chemicals or preserved specimens. Wash your hand with soap and water after performing all experiments. Return all equipment clean and in working order to the proper storage area.
Students are never permitted in the science storage rooms or preparation areas unless given specific permission by their instructor.
Know what to do if there is a fire drill during a laboratory period; containers must be closed, gas valve turned off, fume hoods turned off, and any electrical equipment turned off.
Any time chemicals, heat or glassware are used, students will wear laboratory googles. There will be no exceptions to this rule!
Contact lenses should not be worn in the laboratory unless you have permission from your instructor.
Dress properly during a laboratory activity. Long hair, dangling jewelry, and loose or baggy clothing are a hazard in the laboratory. They must be secured. Shoes must completely cover the foot. No sandals allowed.
Lab aprons have been provided for your use should be worn during laboratory activities.
Report any accident or injury to the instructor immediately, no matter how trivial it may appear.
If a chemical splashes in your eye or on your skin, immediately flush with running water from the eyewash station or safety shower for at least 20 minutes. Notify the instructor immediately.
All chemicals in the laboratory are to be considered dangerous. Do not touch, taste, or smell any chemicals unless specifically instructed to do so. The proper technique for smelling chemical fumes will be demonstrated to you.
Never return unused chemicals to their original containers
Never use mouth suction to fill a pipette. Use a rubber bulb or pipette pump.
Acids must be handled with extreme care. You will be shown the proper method for diluting strong acids. Always add acid to water, swirl or stir the solution and be careful of the heat produced, particularly with sulfuric acid.
Handle flammable hazardous liquids over a pan to contain spills. Never dispense flammable liquids anywhere near an open flame or source of heat.
Never remove chemicals or other materials from the laboratory area.
Never handle broken glass with your bare hands. Use a brush and dustpan to clean up broken glass. Place broken or waste glassware in the designated glass disposal container
Inserting and removing glass tubing from rubber stoppers can be dangerous. Protect your hands with towels or cotton gloves when inserting glass into a stopper. If a piece of glassware becomes “frozen” in a stopper, take it to your instructor for removal.
Examine glassware before each use. Never use chipped or cracked glassware. Never use dirty glassware.
If you do not understand how to use a piece of equipment, ask the instructor for help.
Hair, clothing and hands are a safe distance from the flame at all times. Do not put any substance into the flame unless specifically instructed to do so. Never reach over an exposed flame. Light gas burners only as instructed by the teacher.
Never leave a lit burner unattended. Never leave anything that is being heated or is visibly reacting unattended. Always turn the burner or hot plate off when not in use.
Heated metals and glass remain very hot for a long time. They should be set aside to cool and picked up with caution. Use tongs or heat-protective gloves if necessary.
Do not place hot apparatus directly on the laboratory desk. Always use an insulating pad. Allow plenty of time for hot apparatus to cool before touching it.
Created by: cabreo21



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