Lab Safety

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Lab Safety
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• Disposal Alert
• This symbol appears when care must be taken to
  dispose of materials properly.

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• Eye Safety
• This symbol appears when a danger to the eyes
  exists. Safety goggles should be worn when this
  symbol appears.

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• Clothing Protection Alert
• This symbol appears when substances used could
  stain or burn clothing.

5

• Thermal Safety
• This symbol appears as a reminder to use caution
  when handling hot objects.

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• Electrical Safety
• This symbol appears when care should be taken
  when using electrical equipment.

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• Animal Safety
• This symbol appears whenever live animals are
  studied and the safety of the animals and the
  student must be ensured.

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• Open Flame Alert
• This symbol appears when use of an open flame
  could cause a fire or an explosion.
• Fire Safety
• This symbol appears when care should be taken
  around open flames.

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• Chemical Safety
• This symbol appears when chemicals used can cause
  burns or are poisonous if absorbed through the
  skin.

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• Fume Safety
• This symbol appears when chemical reactions could
  cause dangerous fumes.

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• Poison Safety
• This symbol appears when poisonous substances are
  used.

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• Sharp Object Safety
• This symbol appears when a danger of cuts or
  punctures caused by the use of sharp objects
  exists.

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• Biological Hazard
• This symbol appears then there is danger
  involving bacteria, fungi, or protists.

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• Radioactive Safety
• This symbol appears when radioactive materials
  are used.

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• Explosion Safety
• This symbol appears when care should be taken
  around open flames.

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• Plant Safety
• This symbol appears when poisonous plants or
  plants with thorns are handled.

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Lab Safety Rules

• Never work in the lab unless a teacher is present
  and aware of what you are doing.
• Prepare for the lab activity or experiment by
  reading over it first. Ask questions about
  anything that is unclear. Note any cautions that
  are stated.
• Dress appropriately for a laboratory. Avoid
  wearing bulky or loose-fitting clothes or
  dangling jewerly. Pin or tie back long hair, and
  roll up loose sleeves. Wear close-toed shoes.

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Lab Safety Rules

• Keep the work area free of any books and
  materials not needed for what you are working on.
• Wear safety goggles when working with flames,
  headted liquids, or glassware.
• Never through anything in the laboratory area.
• Use the apparatus only as instructed in the
  manual or by your teacher. If you wish to try an
  alternate procedure, obtain your teachers
  approval first.

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Lab Safety Rules

• Food, beverages, and chewing gum are not allowed
  in the laboratory area.
• If a thermometer breaks, inform your teacher
  immediately. If the thermometer is
  mercury-filled, do not touch with the mercury or
  the glass with your bare skin.
• Do not touch anything that may be hot, including
  burners, hot plates, rings, beakers, electric
  immersion heaters, and electric bulbs. If you
  must pick up something that is hot, use an
  insulated glove, an over mitt, a pot-holder, or
  some other appropriate holder.

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Lab Safety Rules

• Report any injuries, accidents, or breakages to
  your teacher immediately. Also report anything
  that you suspect may be malfunctioning.
• Work quietly so that you can hear any
  announcements concerning cautions and safety.
• Know the locations of fire extinguishers, fire
  blankets, safety shower, eye wash fountain and
  the nearest exit.

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Lab Safety Rules

• When you have finished your work, check that the
  water and gas are turned off and that electric
  circuits are disconnected. Return all materials
  and apparatus to the places designated by your
  teacher. Follow your teachers directions for
  disposal of any waste materials.
• There can be absolutely no horseplay in the lab.

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Whats Wrong With This Picture?
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• There is a coat covering the eye wash station.
• He is not wearing safety glasses.
• The jar is cracked.
• The chemical container does not have a lid on it.
• The knife blade is hanging off the edge of the
  table.
• Electrical cord he is going to plug in is wet.

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Whats Wrong With This Picture?
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• The work area is cluttered.
• Her hair is not pulled back
• She is not paying attention to what she is doing
  and is about to knock over a cylinder
• He is pointing the test tube at her.

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Whats Wrong With This Picture?
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• The work area is cluttered.
• There is a drink during the lab.
• The boy on the right is not wafting the smell
  toward him.
• The boy on the left is not being careful with the
  power cord.

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Whats Wrong With These Statements?

1. Hal says that his teacher is solely responsible
   for preventing laboratory accidents.
2. Keshia started the lab activity before reading it
   through completely.
3. Ricardo decided to do a lab activity that he read
   about in a library book before the teacher came
   into the classroom.
4. Stephanie says that the safety goggles mess up
   her hair and give her raccoon eyes. She refuses
   to wear them.
5. Barbie and Ken accidentally break a beaker full
   of some chemical. Instead of risking getting in
   trouble they quickly clean up the mess with paper
   towel and throw it in the garbage.

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Whats Wrong With These Statements?

1. Hal and all students are responsible for their
   own safety and the safety of their classmates.
2. Keshia will not fully understand what is going on
   in the lab and may mess it up. She needed to
   read everything before the lab day.
3. Ricardo is not allowed to conduct any labs
   without a teacher present.
4. Stephanie must wear her safety goggles when told
   to do so.
5. Barbie and Ken needed to inform the teacher of
   the broken beaker, so that the teacher can clean
   up the chemical that spilled properly. Also, the
   broken glass should go in a designated location,
   not the trash can.