Lab Safety

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Lab Safety
The following rules exist to prevent accidents in
the lab and keep you safe.
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Fire Extinguisher Operation
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Raise the nozzle in order to direct the stream of
carbon dioxide
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Squeeze the handle to begin operation.
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Eyewash Fountain
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Safety Shower
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Use of the FUME HOOD
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Broken Glass
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DON'T throw broken glass into the trash can.
There is a special container for broken glass!
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• No UNAUTHORIZED experiments!
• This is terribly dangerous in unskilled hands.
• When first entering the science room do not touch
  any chemicals, equipment, or supplies until you
  are instructed to do so.
• No EATING or DRINKING in the LAB.
• Assume everything in the lab is toxic.
• DO NOT drink from lab equipment.
  NOT EVEN distilled water.

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Bad Idea 1
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Bad Idea 2
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Bad Idea 3
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• Wear safety glasses when necessary
• Proper lab attire
• Tie back long hair
• remove dangling jewelry
• Roll up long sleeves
• Secure baggy clothing
• Closed-toed shoes
• Keep hands away from eyes and mouth while using
  chemicals
• Wash your hands after the lab

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Make sure that test tubes are not directed toward
yourself or other persons.
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A better technique
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A GOOD PRACTICE Read the experimental procedure
ahead of lab, NOT as you do the procedure
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In a laboratory setting, horseplay, even if
good-natured, is absolutely unacceptable.
No pushing no shoving!
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Chemical Hazard Symbols

• Flammable Any substance that will burn if
  exposed to an open flame.

Explosive A substance that may explode if
exposed to heat or flame.
Toxic/Poison A substance that can lead to death
if inhaled, ingested, or absorbed by the skin.
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Chemical Hazard Symbols
Corrosive A substance that can destroy or burn
living tissue and can eat away at other
materials.
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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• Stay focused and pay attention to all verbal and
  written instructions
• Three steps to starting a lab
• Know what to do
• Know what you need
• Start the lab
• Three steps to ending a lab
• Clean all glassware, labware, and equipment
• Return all equipment and supplies
• Clean up around your lab station

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Have a Safe Year!