Halton District School Board 2014

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Presentation transcript:

Halton District School Board 2014 The Rules of Lab Safety Halton District School Board 2014

and the safety of those around you. 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

Never participate in any form of horseplay in the laboratory Never participate in any form of horseplay in the laboratory. Be aware of others in the lab.

General Safety Precautions No student should be in the lab or preparation room unsupervised. Be prepared for your lab. READ your procedure for any safety precautions. Do not sit on the lab benches. Student must stand while doing labs. Keep work areas clean and free from clutter when performing experiments. No unauthorized experiments. Butane lighters, matches and other flammable materials MUST NOT be brought to class.

Do not eat or drink or chew gum in the lab Do not eat or drink or chew gum in the lab. Your food may pick up harmful chemicals. Never taste chemicals or materials in the lab. DO NOT inhale chemicals unless instructed to do so. Use the wafting technique.

Safety Equipment Know the locations of all safety equipment in the lab: fire extinguishers, eye wash station, first aid box, fire exits and fire alarms. Safety goggles must be worn for all experiments. Contact lenses should not be worn: use prescription glasses with goggles instead. Goggles must always be worn when heat or corrosive chemicals are used.

Safety Equipment Cont’d Dress properly during a lab activity. Long hair must be tied back and dangling jewellery and baggy clothing must be secured. Shoes must be completely cover the foot. No sandals are allowed on lab days. Your teacher may require additional safety equipment, which must be worn.

Handling Chemicals All chemicals in the laboratory are to be considered dangerous. DO NOT allow chemicals to come into contact with skin or eyes. 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. NO chemicals go down the drain. Dispose of all chemicals as instructed by your teacher. Never remove chemicals or other materials from the laboratory area Look for WHMIS or HHPS symbols on containers.

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

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.

Handling Glassware Do not use dirty or chipped glassware. Broken glass must be reported to the teacher who will give instructions for clean up and disposal. There is a designated glass disposal container. Do not tightly stopper a flask where gas is being created. It could explode. Clean drips off the sides of beakers and flasks for the safety of the next student Clean and return all glassware at the end of the lab.

Heating Substances Light a bunsen burner as instructed by your teacher. Never leave a heat source unattended. Hot glass does not look hot! Handle recently heated glassware with tongs. Do not immerse hot glassware in cold water.  The glassware may shatter. When heating a test tube, always point the test tube away from yourself and others. Never look into a container that is being heated.

Handling Electrical Equipment Keep water and wet hands away from electrical cords, plugs and sockets. Do NOT insert any materials into electrical outlets. Do NOT have flammable materials near electrical sources. Always pull electric cords from sockets by the plug and not the cord. Make sure electrical cords are not placed where someone could trip over them. Do not cut open batteries since their contents can be corrosive and poisonous.

Working with Projectiles Direct projectile away from observers and light fixtures into an obstacle-free landing zone. Make spectators aware of potential hazards whenever a projectile is being launched. Do not launch from upstairs windows or stairwells unless the area below can be controlled by another person and is clear of obstructions. Wear eye protection whenever there are risks of injuries to the eye.

Working with Lasers and Lenses Do NOT look into a laser beam. Do NOT point a laser beam into someone’s eye Do NOT look directly into a lens at a light source

Accidents & Injuries Respond to emergencies sensibly and immediately! Report all accidents and injuries to the teacher at once, no matter how minor. If chemicals are spilled on skin rinse well with running water for as long as directed by your teacher. For chemicals splashed in the eye, rinse immediately at the eye wash station for at least 30 minutes. Hold eyelids open. If a chemical is spilled, immediately inform your teacher and follow directions for safe clean up. If a fire starts, inform a staff member immediately. Remember, if you are on fire, STOP … DROP…ROLL

When the lab is done . . Clean all glassware and materials and put everything away according to instructions. Wipe lab benches. Dispose of chemicals and materials only as instructed by your teacher. Sinks should be cleaned and should not contain any solid material. Disinfect safety goggles and return to designated storage. Wash your hands with soap and water.

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