Safety in the Lab I intend to have you participate in lots of labs during this year I intend to have you participate in lots of labs during this year Many of the chemicals are dangerous Many of the chemicals are dangerous I do not intend for anyone to get hurt I do not intend for anyone to get hurt To do this, you must To do this, you must Come prepared Come prepared Follow all written directions Follow all written directions Listen to ALL spoken directions Listen to ALL spoken directions Pay attention to what you are doing at all times Pay attention to what you are doing at all times

Safety in the Lab I am mean for a reason I am mean for a reason I have a very good safety record for my over 15 years of teaching I have a very good safety record for my over 15 years of teaching I will not tolerate any carelessness or goofing off I will not tolerate any carelessness or goofing off Your behavior will determine how much we do in the lab Your behavior will determine how much we do in the lab

Safety in the Lab If you are goofing off and cause an accident – you are in big trouble If you are goofing off and cause an accident – you are in big trouble You will have to pay for anything that is damaged – which could be very expensive You will have to pay for anything that is damaged – which could be very expensive For example, goofing off and causing an acid spill that damages the table, carpet and floor. It would all need to be replaced. For example, goofing off and causing an acid spill that damages the table, carpet and floor. It would all need to be replaced. You will also face disciplinary action You will also face disciplinary action You may also suffer from the guilt of knowing that you hurt a fellow student You may also suffer from the guilt of knowing that you hurt a fellow student

Safety in the Lab To get the most out of the lab, you need to be well prepared for the experiment. To get the most out of the lab, you need to be well prepared for the experiment. Read the lab carefully Read the lab carefully Complete the pre-lab questions BEFOR lab Complete the pre-lab questions BEFOR lab Be responsible for your safety and the safety of others Be responsible for your safety and the safety of others Always note the safety precautions Always note the safety precautions know which chemicals are dangerous and why know which chemicals are dangerous and why

Safety in the Lab Wear safety goggles – you will be told when to put them on and when you can take them off. Wear safety goggles – you will be told when to put them on and when you can take them off. Watch your clothing. Watch your clothing. Shoes must be worn Shoes must be worn No loose clothing or jewelry No loose clothing or jewelry Conduct only assigned experiments Conduct only assigned experiments No ‘experimenting on your own’ No ‘experimenting on your own’ Only work when I am in the room Only work when I am in the room

Safety in the Lab Know where the safety equipment is Know where the safety equipment is Eye wash station Eye wash station Fire extinguisher Fire extinguisher Emergency shower Emergency shower Fire blanket Fire blanket Fire alarm Fire alarm First aid kit First aid kit Be sure you know how to use it Be sure you know how to use it

Safety in the Lab Do not eat or drink in the lab. Do not eat or drink in the lab. Never taste any chemicals Never taste any chemicals Be careful to keep your hands away from your eyes and mouth when handling chemicals Be careful to keep your hands away from your eyes and mouth when handling chemicals Wash your hands with soap and water at the end of the lab Wash your hands with soap and water at the end of the lab Read all the directions before beginning, and reread each instruction before you do it Read all the directions before beginning, and reread each instruction before you do it

Safety in the Lab Notify me immediately if any chemicals are spilled – time is important! Notify me immediately if any chemicals are spilled – time is important! Report all accidents, no matter how slight Report all accidents, no matter how slight Tie back long hair, especially around open flames Tie back long hair, especially around open flames Do not leave a lighted burner unattended Do not leave a lighted burner unattended Use a hot plate instead of an open flame when using flammable liquids Use a hot plate instead of an open flame when using flammable liquids

Safety in the Lab Read the label on a reagent bottle carefully before using the chemical. After removing the chemical from the bottle, check to make sure that it is the correct chemical for that procedure Read the label on a reagent bottle carefully before using the chemical. After removing the chemical from the bottle, check to make sure that it is the correct chemical for that procedure Never return chemicals to the reagent bottle – it will contaminate it Never return chemicals to the reagent bottle – it will contaminate it Instead, it should be placed in another container – supplied by me. Instead, it should be placed in another container – supplied by me.

Safety in the Lab Never place a used spatula or dropper into a reagent bottle. Never place a used spatula or dropper into a reagent bottle. Instead, pour some out into another container Instead, pour some out into another container Do not use chipped or cracked glassware. Do not use chipped or cracked glassware. Return it to me Return it to me When diluting an acid, always pour the acid slowly into water. (NEVER pour water into an acid When diluting an acid, always pour the acid slowly into water. (NEVER pour water into an acid

Safety in the Lab When heating a liquid in a test tube, turn the mouth of the test tube away from yourself and others When heating a liquid in a test tube, turn the mouth of the test tube away from yourself and others Clean up spills and broken glass immediately - notify me first! Clean up spills and broken glass immediately - notify me first! Leave your work area clean. Leave your work area clean. Check the desk surface to be sure there are no chemicals on it. Check the desk surface to be sure there are no chemicals on it.

Safety in the Lab Thermal burns – use common sense Thermal burns – use common sense If the burner was just on – it will be hot If the burner was just on – it will be hot Chemical Burns – these could be serious Chemical Burns – these could be serious They do not always burn right away They do not always burn right away C – corrosive C – corrosive I - irritant I - irritant

Safety in the Lab Glass hazards Glass hazards Fire hazards Fire hazards F – flammable F – flammable stop, drop and roll stop, drop and roll Fire blanket Fire blanket Poisoning Poisoning T – toxic T – toxic Wafting odors Wafting odors

Safety in the Lab Safety symbols Safety symbols Emergency Procedures Emergency Procedures Know your laboratory Equipment Know your laboratory Equipment