Lab Safety

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Lab Safety

• Mr. D. Mader
• Kaukauna High School

To ask me to overlook even a simple safety
violation would be asking me to lower my attitude
toward the value of your life.
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Clothing

• Safety Equipment used

• Goggles
• Worn any time chemicals, heat or glassware is
  used

• Gloves

• Aprons

• Contacts- Advise Instructor follow their
  directions

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What should NOT be worn in the lab

• Loose Hair (tie it back)
• Baggy clothing (remove or tie it)
• Jewelry (can react w/ chemicals)
• Shorts/Skirts/Skorts
• Legs need to be covered
• Open toed-shoes/sandals (closed-toe shoes best)

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Behavior

• Horseplay

• Watch for your lab partner
• Have your lab materials with you
• Listen to and follow the instructors directions
• Read the lab before you conduct it
• If you do not understand something ASK

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FOOD DRINK

• NOT ALLOWED

• Do NOT get it out of your back pack
• Do NOT try to sneak a bite/drink during class
• It will be disposed of by me if you get it out

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Labeling MSDS

• Labels need to be placed on containers

• Material
• Safety
• Data
• Sheet
• These provide known hazards, safety equipment to
  be worn, 1st aid info, disposal methods for a
  given chemical

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Mixing Solutions

• ALWAYS add acids bases TO water
• Only mix chemicals that you have approval to mix
• Know the hazards of the chemicals you are using.
  Consider all chemicals to be dangerous and treat
  accordingly.
• DO NOT return unused chemicals in their original
  containers

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Chemical spills

• Tell your instructor immediately
• Let your instructor know what has been spilled
• Follow directions of the instructor as to how to
  clean up the material(s)
• Neutralize Acids Bases as instructed
• E.g. On your skin, rinse with water, otherwise
• Acids with WEAK bases
• Bases with WEAK acids

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Eye wash

• If material enters your eyes
• Turn eye wash on
• Place your face in the water stream
• Using fingers, keep your eyes open
• If chemicals in eyes, keep washing eyes for 15
  minutes or otherwise instructed

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Emergency Shower

• If a large chemical spill occurs on a person
• Go to the drench shower
• Pull down lever
• Remove clothing that has chemical(s) on it

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Fire Hazards

• If a fire starts, tell your Instructor
  Immediately!!
• Keep alcohol other flammable compounds away
  from open flame
• Only turn on the gas when it is being used to
  produce flame with a bunsen burner or otherwise
  instructed by your Teacher
• Know where the fire extinguishers fire blankets
  are located in the room

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Bunsen Burner

• Watch demo on how to use

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Glassware

• Inspect before using
• Do NOT use chipped or cracked equipment
• Use tongs to pick it up when it has been heated
• POINT open end AWAY from people when heating
• DO NOT
• Remember, Hot and Cold glassware looks the same

Which is hot which is cold?
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Steps for placing glass tubing in a stopper

• Lubricate the tubing with water
• Use a towel or gloves for protection
• Twist tubing and stopper carefully

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Fire Extinguisher Blanket

• To use an extinguisher, remember PASS
• Pull the pin
• Aim at the base of the fire
• Squeeze the trigger
• Sweep back forth

• Fire blankets should be placed over a
  person/object that has caught fire

Only use on trash-can sized fires
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Cleaning up the lab

• Everyone is responsible for cleaning.
• If needed, clean lab area BEFORE you use it
• Work areas should be kept clean and safe
• After lab, wash your hands

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RememberBe Safe and Learn,It could be your
life that is saved

• As the wise teacher Yoda says

Try not! Do. Or do not. There is no try.
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One last thing, our class Mantra will be

• K eep
• I t
• S imple,
• S eriously!