Lab Safety Why does it matter Safe working

Lab Safety

Why does it matter? Safe working protects: You Other lab workers Cleaners Visitors Your work

What does the law say? Health Safety at Work etc Act 1974 You must work safely You must not endanger others You must not misuse safety equipment Penalty – up to 2 year in prison &/or an unlimited fine

General Safety Rules 1. Listen to or read instructions carefully before attempting to do anything. 2. Wear safety goggles to protect your eyes from chemicals, heated materials, or things that might be able to shatter. 3. Notify your teacher if any accidents occur.

Protect Your Eyes

General Safety Rules 4. After handling chemicals, always wash your hands with soap and water. keep your hands away from your face. Tie back long hair. 5. During lab work, 6.

Protecting yourself Wear the clothing and protective wear identified in your risk assessment Laboratory coats must be kept fastened Don’t wear sandals or open shoes Long hair must be tied back

Tie Back Loose Hair Dangling hair can fall into the Bunsen burner and catch fire or can fall into a chemical solution P. S. Burning hair REALLY STINKS!

Wear shoes that cover your feet. Sandals and opentoed shoes do not protect your feet from broken glass that is frequently found in the lab Also, leather shoes protect your feet from chemical spills – canvas shoes do not.

Protecting yourself - gloves Use the correct glove for the job you will be doing Remove your gloves before using instruments, telephone, and leaving the laboratory.

Wear appropriate protective clothing

Do not apply cosmetics, eat, or drink in the lab. These activities are ways by which you can accidentally ingest harmful chemicals

Glassware Safety 1. Chipped or cracked glassware should not be used. Show it to the teacher. 2. Broken glassware should not be disposed of in a classroom trashcan. There is a special glass disposal container for it. 3. When pouring liquids into glassware, make sure the container you are pouring into is resting on a table at least a hands breadth from the edge.

Glassware Safety 7. Do not place hot glassware in water. Rapid cooling may make it shatter.

1. 2. 3. Chemical Safety Wear protective goggles and a lab apron whenever heating or pouring hazardous chemicals. Never mix chemicals together unless you are told to do so (and then only in the manner specified). Never taste any chemicals (you should never taste anything in the lab).

Chemical Safety 4. If you need to smell the odor of a chemical, waft the fumes toward your nose with one hand. Do not put your nose over the container and inhale the fumes. 5. Never pour water into a concentrated acid. Acid should be poured slowly into water.

Always Add ACID to water acid water

4. 5. 6. Heating Safety The only type of glassware that may safely be heated is either Kimax or Pyrex. Always point the top ends of test tubes that are being heated away from people. When heating a test tube, move it around slowly over the flame to distribute the heat evenly.

Heat test tubes at an angle.

Handle hot glassware with gloves or beaker tongs.

First light the match THEN Turn on the gas!

Do not smell any chemicals directly! Smell chemicals only if your teacher specifically tells you to do so, then use your hand to fan the vapor to your nose.

Do not pipet solutions by mouth! Use a rubber suction bulb or other device to fill a pipet.

Wash your hands with soap and water before leaving. This rule applies even if you have been wearing gloves!

Know the safety equipment Eye wash fountain Safety shower Fire extinguisher Emergency exits

Know how to use the safety equipment Eye wash Fountain Safety Shower Fire extinguisher Emergency Exit

Never remove chemicals from the laboratory This guy put chemicals in his locker!

Never work alone in the lab In case of a problem, you may need another person to prevent injury or even save your life!

Remember that the lab is a place for serious work! Careless behavior may endanger yourself and others and will not be tolerated!

Demonstrate safe behavior Before leaving the lab:

Demonstrate safe behavior Before leaving the lab: Return equipment and chemicals to their proper places (Ms. Browne’s pet peeve!)

Demonstrate safe behavior Before leaving the lab: Return equipment and chemicals to their proper places (Ms. Browne’s pet peeve!) Be sure to replace the lids to all containers (Ms. Browne’s really big pet peeve!)

Demonstrate safe behavior Before leaving the lab: Return equipment and chemicals to their proper places (Ms. Browne’s pet peeve!) Be sure to replace the lids to all containers (Ms. Browne’s really big pet peeve!) Clean up your work area (Yes – another of Ms. Browne’s pet peeves!)

Know how to dispose of waste Dispose of all waste materials according to your instructional procedure or your teacher’s instructions ? ?

Report any accidents or unsafe conditions immediately!