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Safety in the Laboratory
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General Guidelines
• Conduct yourself in a responsible manner!!
• Follow all written and verbal instructions.
• Never work alone.
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• Don’t touch anything until you are told to do so.
• Do not eat, drink, or chew gum during a lab.
• Only perform the experiment you are supposed to be working on.
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• Keep your work area clean.
• Keep aisles clear. Put your backpack under or on top of an empty table.
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• Know where the safety equipment is located.
• Be alert and cautious.
• Dispose of chemicals properly. Different chemicals need to be disposed of in different ways.
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• Read chemical labels carefully before you use them.
• Keep hands away from face and eyes during a lab, and always wash your hands when you are done.
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• Don’t leave your lab station unattended while you are working.
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Clothing• ALWAYS WEAR YOUR GOGGLES.
There are no exceptions.
• Don’t wear contact lenses.
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• No loose, long hair (pull it back).
• No dangling jewelry. • No open-toed shoes.
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Handling Chemicals
• ALL CHEMICALS IN THE LAB ARE DANGEROUS. Handle them with care.
• Never return unused chemicals to the original container.
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• Handle acids with special care.• Always add acid to water, not
water to acid.
• Never remove chemicals from the lab.
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Handling Glassware and Equipment
• Never handle broken glass with your bare hands. Use a dustpan.
• Dispose of glass in approved container only
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• Never use cracked or chipped glassware.• Report damaged equipment immediately.• Do not put hot glassware in cold water.
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• Do not point scalpel blades towards others.
• Carry dissection tools with sharp end facing the ground.
• When unplugging equipment, pull the plug, NOT the cord, and NOT the piece of equipment.
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Heating Substances• Use caution when
using the hot plates.
• Never leave a hot plate unattended.
• Remember—hot glass and metal stay hot for a long time. BE CAREFUL!
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• Always treat specimens with respect
• Never dispose of specimens or parts down the sink or in the trash can.
Handling Specimens
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Accidents and Injuries
• Report all accidents to the teacher right away.
• If you splash chemicals on your skin or clothing, or in your eyes, immediately rinse with plenty of water.
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• If you break a scalpel blade, glassware, or slide, report it.
• See your teacher if you cut or puncture your skin with a tool or specimen.
• Know our fire escape route