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Chemistry Laboratory Safety Rules
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Protect Your Eyes
• Appropriate eye protection must be worn at all times!
• Inform your teacher if you wear contact lenses.
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Wear appropriate protective clothing
• Your clothing should cover your legs to the knees – shorts are not appropriate for the laboratory
• Lab aprons can be used to protect good clothing
• Loose clothing should not be worn because it may dip into chemicals or fall into a flame and catch fire
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Wear shoes that cover your feet.
• Sandals and open-toed shoes do not protect your feet from broken glass that is frequently found in the lab
• Also, leather shoes protect your feet from chemical spills – canvas shoes do not.
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Do not apply cosmetics, eat, or drink in the lab.
• These activities are ways by which you can accidentally ingest harmful chemicals
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Pour from large containers to smaller ones.
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Always ADD ACID to water
acid
water
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Work with volatile chemicals under a fume hood.
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Check glassware for stars or cracks.
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Screaming hot glass looks just like cold glass.
Handle hot glassware with gloves or beaker tongs.
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First light the match
THEN
Turn on the
gas!
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Do not smell any chemicals directly!
• Smell chemicals only if your teacher specifically tells you to do so, then use your hand to fan the vapor to your nose.
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Do not pipet solutions by mouth!
• Use a rubber suction bulb or other device to fill a pipet.
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Wash your hands with soap and water before leaving.
• This rule applies even if you have been wearing gloves!
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Know the hazards of the materials being used.
• Read and reread labels carefully to make sure that you are using the right chemical.
• Know how to interpret data from a MSDS.
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Tie Back Loose Hair
• Dangling hair can fall into the Bunsen burner and catch fire or can fall into a chemical solution
• P.S. Burning hair REALLY STINKS!
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Know the safety equipment
• Eye wash fountain
• Safety shower
• Fire extinguisher
• Emergency exits
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Know how to use the safety equipment
• Eye wash Fountain
• Safety Shower
• Fire extinguisher
• Emergency Exit
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Carry out only the experiments assigned by your
teacher
I wonder what he’s
planning to do with that
thing.
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Never remove chemicals from the laboratory
This guy put chemicals in his locker!
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Never work alone in the lab
• In case of a problem, you may need another person to prevent injury or even save your life!
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Remember that the lab is a place for serious work!
Careless behavior may endanger yourself and others and will not be tolerated!
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Demonstrate safe behavior
• Obey all safety instructions given by your teacher or found in you experimental procedure.
• Clean up spills immediately; IF you know how. If you are uncertain how to clean up a spill or if a large spill occurs, notify your teacher immediately.
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Demonstrate safe behavior
• Before leaving the lab:
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Demonstrate safe behavior
• Before leaving the lab:– Return equipment and chemicals
to their proper places (Mr. Piepora’s pet peeve!)
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Demonstrate safe behavior
• Before leaving the lab:– Return equipment and chemicals
to their proper places (Mr. Piepora’s pet peeve!)
– Be sure to replace the lids to all containers (Mr. Piepora’s really big pet peeve!)
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Demonstrate safe behavior
• Before leaving the lab:– Return equipment and chemicals
to their proper places (Mr. Piepora’s pet peeve!)
– Be sure to replace the lids to all containers (Mr. Piepora’s really big pet peeve!)
– Clean up your work area (Yes – another of Mr. Piepora’s pet peeves!)
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Know how to dispose of waste
• Dispose of all waste materials according to your instructional procedure or your teacher’s instructions
? ? ? ?
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Report any accidents or unsafe conditions
immediately!