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Laboratory SafetyGuideline
s
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Prepare Properly Where a lab apron
when working with harmful chemicals.
Wear safety goggles when working with chemicals or heating substances.
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Adult Supervision
Never conduct experiments without adult supervision and if you are injured notify the teacher immediately.
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Special Equipment Be familiar with the
location of the following equipment:
A. Fire extinguisher B. Fire blanket C. Emergency
shower D. Eye-wash
station
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Spills… Notify your
teacher immediately if anything spills.
Spills need to be cleaned up quickly and correctly.
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Food/Drinks Never eat or drink
in the lab
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Clean Working Area Wash your hands
thoroughly after handling chemicals, cultures, plants, or animals.
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DANGER! Pull long hair
back.
Roll long sleeves up when working with fire.
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Electrical Cords Be sure that
electrical cords are not in a place where someone can trip over them and when working with electricity make sure your hands are dry.
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Clean Up Be sure that all
laboratory surfaces, equipment, and tools are cleaned after you finish with them and dispose properly of all chemicals.
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Heat! Turn off hot plates
and burners when not in use.
Turn off microscopes when not in use.
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Heating Substances When heating a
substance, always point the test tube away from you and other people.
When heating over a burner (flame), gently move the test tube over the hottest part of the flame.
Use tongs or hot pads when handling hot equipment. Use a test tube holder when heating substances in a test tube.
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Broken Glassware Do not use
chipped or broken glassware.
Discard broken glass according to your teacher’s instructions.
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ACID…… If you get acid on your skin or in
your eyes, rinse with cool water for 15 minutes.
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Odor To test the order
of fumes, waft the fumes toward your nose.
DO NOT INHALE!
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Burns If you burn your
skin, run cool water over the affected area.
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HORSEPLAY “Horseplay” in the lab is not tolerated
under ANY circumstances. It can lead to chemical spills, accidental fires, and broken equipment. Never throw anything and not wrestling, punching or shoving in the lab even if you’re just “playing”. Those types of behaviors will result in your removal from the lab and you will earn a zero for that lab. You may also be excluded from future labs due to inappropriate behavior!
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A Scientist’s Equipment Thermometer
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Beaker
Not
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FlaskGraduated Cylinder
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Test Tube and Test Tube Rack
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Test Tube Clamp & Ringstand
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Test Tube Holder
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Test Tube Brush
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Bunsen Burner
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Hot Plate
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Funnel
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Dropping Pipet, (Medicine Dropper, Eye Dropper)
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Beaker Tongs
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Double Balance Beam
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Triple Balance Beam
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Wire Gauze
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Petri Dish