Safety in the LaboratorySafety in the Laboratory

Conduct yourself in a responsible Conduct yourself in a responsible manner!!manner!!

Follow all written Follow all written and verbal and verbal instructions.instructions.

Never work alone.Never work alone.

General GuidelinesGeneral Guidelines

Don’t touch anything until you are Don’t touch anything until you are told to do so.told to do so.

Do not eat, drink, or chew gum Do not eat, drink, or chew gum during a lab. during a lab.

Only perform the experiment you Only perform the experiment you are supposed to be working on.are supposed to be working on.

Be prepared. If possible, read the Be prepared. If possible, read the

lab the night before.lab the night before.

Keep your work area clean.Keep your work area clean.

Keep aisles clear. Put your backpack Keep aisles clear. Put your backpack under or on top of an empty table.under or on top of an empty table.

Know where the safety equipment is Know where the safety equipment is located.located.

Be alert and cautious.Be alert and cautious.

Dispose of chemicals properly. Dispose of chemicals properly. Different chemicals need to be Different chemicals need to be disposed of in different ways.disposed of in different ways.

Read chemical labels carefully before Read chemical labels carefully before you use them.you use them.

Keep hands away from face and eyes Keep hands away from face and eyes during a lab, and always wash your during a lab, and always wash your hands when you are done.hands when you are done.

Don’t leave your lab station Don’t leave your lab station unattended while you are working.unattended while you are working.

ClothingClothing

ALWAYS WEAR YOUR GOGGLES. ALWAYS WEAR YOUR GOGGLES. There are no exceptions. There are no exceptions.

Don’t wear contact lenses.Don’t wear contact lenses.

Dress properly. No loose, long hair Dress properly. No loose, long hair (pull it back). No dangling jewelry. (pull it back). No dangling jewelry. No baggy clothing.No baggy clothing.

Accidents and InjuriesAccidents and Injuries Report all accidents to the teacher Report all accidents to the teacher

right away.right away. If you splash chemicals on If you splash chemicals on

your skin or clothing, oryour skin or clothing, or

in your eyes, immediatelyin your eyes, immediately

rinse with plenty of water.rinse with plenty of water.

Handling ChemicalsHandling Chemicals ALL CHEMICALS IN THE LAB ARE DANGEROUS. Handle them with care.ALL CHEMICALS IN THE LAB ARE DANGEROUS. Handle them with care.

Never return unused chemicals to the original container.Never return unused chemicals to the original container.

Handle acids with special care.Handle acids with special care.

Never remove chemicals fromNever remove chemicals from

the lab.the lab.

Handling Glassware and Handling Glassware and EquipmentEquipment

Never handle broken glass with your bare Never handle broken glass with your bare hands. Use a dustpan.hands. Use a dustpan.

When unplugging equipment, pull the When unplugging equipment, pull the plug, NOT the cord, NOT the piece of plug, NOT the cord, NOT the piece of equipment.equipment.

Never use Never use cracked or cracked or chipped chipped glassware.glassware.

Report damaged Report damaged equipment equipment immediately.immediately.

Do not put hot Do not put hot glassware in cold glassware in cold water.water.

Heating SubstancesHeating Substances

Use caution when Use caution when using the bunsen using the bunsen burners.burners.

Never leave a lit Never leave a lit burner unattended.burner unattended.

Remember—hot glass and metal stay hot Remember—hot glass and metal stay hot for a long time. BE CAREFUL!for a long time. BE CAREFUL!

When in doubt When in doubt ask questions!ask questions!