The Rules of Lab Safety Halton District School Board

You are responsible for your safety and the safety of those around you. Failure to act in a safe and responsible manner will result in the removal of all science lab privileges.

Professor Glickman, the lab practical joker, deftly places a single drop of hydrochloric acid on the back of Professor Bingham's neck. -- Gary Larson, the Far Side Horseplay will be dealt with severely!

No student should be in the lab unsupervised. No student should be in the lab unsupervised. Be prepared for your lab. READ your procedure for any safety precautions. Be prepared for your lab. READ your procedure for any safety precautions. Do not eat or drink in the lab. Your food may pick up harmful chemicals. Do not eat or drink in the lab. Your food may pick up harmful chemicals. Never taste or directly inhale chemicals. Never taste or directly inhale chemicals. Do not sit on the lab benches. Do not sit on the lab benches. Please stand while doing labs. Please stand while doing labs. If designing your own experiment, you MUST first have your procedure approved by your teacher. If designing your own experiment, you MUST first have your procedure approved by your teacher. General Safety Precautions

Handling Chemicals All chemicals in the laboratory are to be considered dangerous. Avoid handling chemicals with fingers. Do not taste, or smell any chemicals. All chemicals in the laboratory are to be considered dangerous. Avoid handling chemicals with fingers. Do not taste, or smell any chemicals. Check the label on all chemical bottles twice before removing any of the contents. Take only as much chemical as you need. Check the label on all chemical bottles twice before removing any of the contents. Take only as much chemical as you need... Never return unused chemicals to their original container. Dispose of chemicals as instructed by your teacher. Never return unused chemicals to their original container. Dispose of chemicals as instructed by your teacher. Never remove chemicals or other materials from the laboratory area Never remove chemicals or other materials from the laboratory area Look for WHMIS or HHPS symbols on containers. Look for WHMIS or HHPS symbols on containers.

Hazardous Household Product Symbols CORROSIVE Eats or wears away other materials. EXPLOSIVE Explodes or gives off deadly vapours. FLAMMABLE Ignites if exposed to heat or sparks. POISONOUS May cause sickness or death if swallowed.

Compressed gas Oxidizing material Materials causing other toxic effects Corrosive material Flammable and combustible material Materials causing immediate and serious toxic effects Biohazardous infectious material Dangerously reactive material Workplace Workplace Hazardous Hazardous Materials Materials Information Information System WHMIS

Handling Glassware Do not use dirty or chipped glassware. Do not use dirty or chipped glassware. Clean drips off the sides of beakers and flasks for the safety of the next student. Clean drips off the sides of beakers and flasks for the safety of the next student. Broken glass should be reported to the teacher who will dispose of it in the “Broken Glass” container. Broken glass should be reported to the teacher who will dispose of it in the “Broken Glass” container. Do not tightly stopper a flask where gas is being created. It could explode. Do not tightly stopper a flask where gas is being created. It could explode. Clean and return all glassware at the end of the lab. Clean and return all glassware at the end of the lab.

Heating Substances Do not wear loose or baggy clothing in the lab. Do not wear loose or baggy clothing in the lab. Hot glass does not look hot! Handle recently heated glassware with tongs. Hot glass does not look hot! Handle recently heated glassware with tongs. Do not immerse hot glassware in cold water. The glassware may shatter. Do not immerse hot glassware in cold water. The glassware may shatter. Never look into a container that is being heated. Never look into a container that is being heated. Never leave a heat source unattended. Never leave a heat source unattended. Tie back long hair. Tie back long hair.

Safety Equipment Safety goggles must be worn whenever there is the potential for eye damage. Safety goggles must be worn whenever there is the potential for eye damage. Goggles must always be worn when heat or corrosive chemicals are used. Goggles must always be worn when heat or corrosive chemicals are used. Know the locations of all safety equipment in the lab: fire extinguishers, eye wash station, first aid box, fire blanket, fire exits. Know the locations of all safety equipment in the lab: fire extinguishers, eye wash station, first aid box, fire blanket, fire exits.

Accidents & Injuries Inform a teacher if someone requires assistance. Inform a teacher if someone requires assistance. If chemicals are spilled on skin or in eyes, rinse with water for 20 minutes. If chemicals are spilled on skin or in eyes, rinse with water for 20 minutes. If you break something or spill something, please inform a teacher immediately. Do NOT handle broken glass! If you break something or spill something, please inform a teacher immediately. Do NOT handle broken glass! If a fire starts, inform a staff member immediately – STOP… DROP… ROLL!!! If a fire starts, inform a staff member immediately – STOP… DROP… ROLL!!! Respond to emergencies sensibly and immediately!

When the lab is done.. Dispose of chemicals and materials only as instructed by your teacher. Dispose of chemicals and materials only as instructed by your teacher. Clean all glassware and put everything away according to instructions. Clean all glassware and put everything away according to instructions. Wipe the counters clean with paper towels. Wipe the counters clean with paper towels. Sinks should be cleaned and should not contain any solid material. Sinks should be cleaned and should not contain any solid material. Wash your hands and return your goggles. Wash your hands and return your goggles.

IF YOU’RE NOT SURE ABOUT SOMETHING… Ask your TEACHER!!!!

WHMIS

WHMIS Workplace Hazardous Materials Information System WHMIS is responsible for: WHMIS is responsible for: the determination and labeling of dangerous goods the determination and labeling of dangerous goods The maintenance of material safety data sheets The maintenance of material safety data sheets Specify criteria of a chemical Specify criteria of a chemical Mutagenicity, carcinogenicity, embryo and reproductive toxicity, respiratory tract and skin sensitivity Mutagenicity, carcinogenicity, embryo and reproductive toxicity, respiratory tract and skin sensitivity

Common Symbols

HHSP Hazardous Household Product Symbols Corrosive Flammable Toxic/ Poisonous Explosive