Lab Safety

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Lab Safety

• Goddard High School
• Science Department
• Ms. Scribners Classes

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Lab Work

• Hands-on experiences are essential to learning in
  science class, but safety must be the first
  concern.
• Safety rules exist for YOUR safety and to prevent
  accidents along with increasing efficiency of the
  lab

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Why is Lab Safety Important?

• Lab safety is a major aspect of every lab based
  science class.
• Lab safety rules and symbols are needed so that
  students do not injure themselves or their
  classmates.

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Lab Safety Rules

• 1. Always follow the teachers directions and
  only do lab work when a teacher is present.
• 2. Conduct yourself in a responsible manner at
  all times. No Horseplay!
• 3. Do not touch any equipment, chemicals, or
  other materials until told to do so.
• 4. Do not eat food, drink beverages, or chew gum
  in the lab. Do not use lab glassware as food or
  beverage containers
• 5. Report ALL accidents to your teacher
  immediately, even if you think it is minor.

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Lab Safety Rules

• 6. Stay focused and pay attention to all written
  and verbal instructions.
• 7. ASK questions before proceeding if you are
  unsure.
• 8. KNOW what you are to do before you do it.
• 9. Work with your group at your station.
• 10. If something happens, REMAIN CALM. THINK
  then RESPOND

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Lab Safety Equipment

• Know the location and proper use of lab equipment

Safety Shower Across the Hall in Mr. Gardners
Room
Safety Goggles
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Lab Safety Equipment

• Fire
• Extinguisher

• Do you Know Where one is?

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Proper Dress for Labs

• Real ShoesNo flip flops
• Goggles! Goggles! Goggles!
• Tying back long hair
• Removing dangling jewelry
• Rolling up long sleeves
• Securing baggy clothing

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How To Survive Witha Lab Grade

• NEVER eat or drink in class
• Keep hands away from eyes, mouth while using
  chemicals
• Wash your hands with soap and water after labs
• NEVER touch, taste, or smell any chemicals unless
  told to do so
• Clean up all equipment and your area when finished

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Lab Safety SymbolsFound in your textbook

• Glassware
• Heat
• Eye and Face
• Sharps

• Electrical
• Animal
• Chemical
• Fire

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Other Chemical Hazards and Symbols

• Flammable
• Explosive
• Toxic/Poison

• Irritant
• Corrosive
• Environmental

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Chemical Hazard Symbols and Definitions

• Flammable Any substance that will burn if
  exposed to an open flame.
• Explosive A substance that may explode if
  exposed to heat or flame.

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Chemical Hazard Symbols and Definitions

• Toxic/Poison A substance that can lead to death
  if inhaled, ingested, or absorbed by the skin.
• Corrosive A substance that can destroy or burn
  living tissue and can eat away at other
  materials.

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Chemical Hazard Symbols and Definitions

• Irritant - A substance that causes inflammation
  upon contact with skin or mucous membranes.
• Environmental - Substances that are harmful to
  the environment. They must be disposed of
  properly, not washed down the drain.

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Accidents and Injuries

• Report ALL accidents and injuries to your teacher
  immediately!!!
• Be aware of safety hazards associated with each
  chemical you use.
• Eye accident Wash the eye with copious amounts
  of water for at least 15 min.
• Fire Burns Stop, Drop, and be covered with a
  fire blanket or soaked with water. Do not remove
  clothing stuck to victim. Get medical attention
  immediately.

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Waste Disposal

• First ask your teacher where/how to dispose of
  waste.
• Since we have no sinks/drains in this room--Never
  pour anything in the waste basket unless you are
  told to do so.
• A waste bottle/jar will be supplied to dispose
  substances.

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Reasons for proper waste disposal

• Hazardous chemicals down the drain can lead to
  pollution of ground water, lakes, rivers, etc.
• Plants and animals will die if they are exposed
  to hazardous chemical waste.
• Serious health problems will become present in
  people if hazardous waste finds its way into
  drinking water.
• What you dump, you drink.

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Lab Safety Contract

• You and your parents/guardians must agree to and
  sign the Safety Contract
• If it is not signed it must be returned to me by
  Friday or else you can not participate in future
  labs.

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I Dont Need No Stinking Rules!

• Failure to comply with safety guidelines may
  result in your removal from the class and loss of
  credit for the work that is done in your absence.

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• Practice
• SAFE
• Science

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Questions 1. List 3 unsafe activities shown and
why? 2. List 3 correct procedures. 3. What should
Bob do after the accident? 4. What should Sue
have done to avoid an accident? 5. Compare Luke
and Duke's lab techniques. Who is following the
rules? 6. What are three things shown in the lab
that should not be there?
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• Find BEHAVIORS (something someone is doing) that
  are unsafe

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Find BEHAVIORS (something someone is doing) that
are unsafe
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Lab Safety Equipment

• Know the location and proper use of lab equipment

Safety Shower
Safety Goggles
Eye Wash
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Lab Safety Equipment

• Fire
• Extinguisher

• Fire Blanket

Fume Hood