safety it is better to be careful a hundred times than be killed once.it is better to be careful a...
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![Page 1: Safety It is better to be careful a hundred times than be killed once.It is better to be careful a hundred times than be killed once. »Mark Twain](https://reader031.vdocuments.mx/reader031/viewer/2022031707/551b4e36550346dd1a8b5d9e/html5/thumbnails/1.jpg)
Safety
• It is better to be careful a hundred times than be killed once.
» Mark Twain
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Lab Safety
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Always Wear Safety Goggles/Glasses in the
Lab!!!
Eyeglasses and sunglasses are not adequate substitutes.
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Chemical Burn of the Eye
A chemical burn of the eye can be prevented by WEARING GOGGLES.
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Long hair MUST be tied
back!
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No Backpacks or Purses at Lab Tables
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Know the Location
of the Following…
Eyewash Fire blanket Fire Extinguisher Safety Shower
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NOHORSEPLAY!
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Never Perform Unauthorized Experiments!
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No Food or Drink in the Lab!
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Never remove
chemicals or equipment
from the lab
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Never use chemicals from an
unlabeled container
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Heating Test Tubes NEVER point the mouth of a test tube or Erlenmeyer flask at yourself or another person! ALWAYS direct the mouth away from people!
Correct!Wrong!
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Never Heat a Closed Container
The increasing pressure in the container can cause the contents to spray out the top, or the container shatters, spreading shards of glass
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Never Heat a Closed Container
The increasing pressure in the container can cause the contents to spray out the top, or the container shatters, spreading shards of glass
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Clean up all spills
immediately
1. Never return spilled or unused material to the reagent bottle.
2. Solids should be swept up and placed in the waste disposal container for that lab
3. Small liquid spills should be diluted with lots of water and mopped up with a cloth towel.
4. Large spills must be handled by the instructor.
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Begin First Aid Immediately
1. Alert the instructor 2. If chemicals have
come in contact with the eyes, begin eyewashing NOW!
3. Remove clothes that have chemical contamination
4. Move everyone away from the area to avoid further contamination
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Report all injuries to
your instructor immediately.