Podcast
Questions and Answers
What should be done first after experiencing a large chemical spill?
What should be done first after experiencing a large chemical spill?
How should small chemical spills be initially managed?
How should small chemical spills be initially managed?
What should you do first in the event of a small burn?
What should you do first in the event of a small burn?
What is the appropriate action if a chemical splashes in your face while wearing goggles?
What is the appropriate action if a chemical splashes in your face while wearing goggles?
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What is a common misconception about treating burns?
What is a common misconception about treating burns?
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In the case of a small, confined fire, what is the best initial response?
In the case of a small, confined fire, what is the best initial response?
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What should you do if you feel faint during a class?
What should you do if you feel faint during a class?
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What action is required for breathing difficulties?
What action is required for breathing difficulties?
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What should you do if you experience a chemical splash or broken glass in your face and cannot see?
What should you do if you experience a chemical splash or broken glass in your face and cannot see?
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After cleaning up a chemical spill, what is the next step to ensure safety?
After cleaning up a chemical spill, what is the next step to ensure safety?
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Why is it important to avoid carrying out new procedures without training?
Why is it important to avoid carrying out new procedures without training?
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When should you use the safety shower in case of chemical exposure?
When should you use the safety shower in case of chemical exposure?
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What is a common misconception about handling broken glass?
What is a common misconception about handling broken glass?
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What should you do if you notice that an electrical piece of equipment is defective?
What should you do if you notice that an electrical piece of equipment is defective?
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What does the acronym CLAYGO refer to in a laboratory setting?
What does the acronym CLAYGO refer to in a laboratory setting?
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How should you dispose of waste solvents in the laboratory?
How should you dispose of waste solvents in the laboratory?
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What is the appropriate action to take if you experience a chemical splash in your eyes?
What is the appropriate action to take if you experience a chemical splash in your eyes?
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What should you do with broken glass in the laboratory?
What should you do with broken glass in the laboratory?
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Which of the following is NOT considered proper safety equipment knowledge in a lab?
Which of the following is NOT considered proper safety equipment knowledge in a lab?
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If you have a medical condition that affects you while working in a laboratory, what should you do?
If you have a medical condition that affects you while working in a laboratory, what should you do?
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What is the primary reason to keep the laboratory tidy?
What is the primary reason to keep the laboratory tidy?
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Why should glassware not be used under pressure or vacuum unless designed for it?
Why should glassware not be used under pressure or vacuum unless designed for it?
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What is the proper procedure for disposing of broken glass?
What is the proper procedure for disposing of broken glass?
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What is the correct first step to take when using a fire extinguisher?
What is the correct first step to take when using a fire extinguisher?
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When clothing catches fire, what should you do?
When clothing catches fire, what should you do?
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What should you do before smelling any chemicals?
What should you do before smelling any chemicals?
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How should you fill a pipet safely?
How should you fill a pipet safely?
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What should you avoid doing if you are trying to help someone whose clothing is on fire?
What should you avoid doing if you are trying to help someone whose clothing is on fire?
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How should hazardous materials be disposed of?
How should hazardous materials be disposed of?
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What should you do first when a fire alarm sounds?
What should you do first when a fire alarm sounds?
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In case of a small cut, what is your next step after informing your instructor?
In case of a small cut, what is your next step after informing your instructor?
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How should you evacuate the building during a fire alarm?
How should you evacuate the building during a fire alarm?
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What action should NOT be taken with a large cut?
What action should NOT be taken with a large cut?
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If there is foreign matter in a large wound, what should you do?
If there is foreign matter in a large wound, what should you do?
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What is the purpose of wearing personal protective equipment (PPE) in the laboratory?
What is the purpose of wearing personal protective equipment (PPE) in the laboratory?
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What type of clothing is not suitable for the laboratory?
What type of clothing is not suitable for the laboratory?
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Why must long hair be tied back in the lab?
Why must long hair be tied back in the lab?
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Which type of footwear is not permitted in the chemistry laboratory?
Which type of footwear is not permitted in the chemistry laboratory?
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Which statement about laboratory coats is true?
Which statement about laboratory coats is true?
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What is a recommended behaviour while in the laboratory?
What is a recommended behaviour while in the laboratory?
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What type of eyewear should be worn at all times in the laboratory?
What type of eyewear should be worn at all times in the laboratory?
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What is an acceptable alternative if loose clothing cannot be avoided?
What is an acceptable alternative if loose clothing cannot be avoided?
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Study Notes
General Laboratory Safety
- Safe working protects lab workers (you, other lab workers, cleaners, visitors), and your work.
Protecting Yourself
- Wear complete personal protective equipment (PPE) when in the lab.
- Lab coats must be fastened.
- Maintain proper lab behavior.
- Wear closed-toe shoes.
- Avoid wearing loose clothing
Protecting Yourself - Additional Points
- Loose clothing should not be worn in a lab. Loose clothing can get caught in flames or dip into chemicals.
- Avoid sandals, open-toed shoes and skimpy clothing.
- Long hair must be tied back.
- Remove jewelry and accessories.
- Any footwear that exposes part of the foot is not permitted in the lab.
Protecting Yourself - Safety Goggles
- Appropriate eye protection is essential at all times.
- Wear safety goggles when working with chemicals, glass, or heat.
Protecting Yourself - Gloves
- Select the correct protective gloves for the task.
- Select gloves according to the substances used.
- Remove gloves before using instruments, phones, or leaving the lab.
- Available glove types include butyl rubber, neoprene, nitrile, and latex.
Laboratory Hygiene
- Do not eat, drink, or smoke in the lab.
- Avoid applying cosmetics in the lab.
- Do not touch your face, mouth, or eyes.
- Avoid sucking or chewing on pens or pencils.
- Wash hands thoroughly before leaving and especially before eating.
General Safety Rules
- No food or drink in the lab.
- Students are not permitted in the lab without an instructor present.
- Only registered science course students with lab sections are permitted in the laboratory.
- Eye protection must be worn at all times.
- Maintain proper workspace tidiness.
- Wash hands frequently, especially before leaving the lab.
- Do not wear lab coats, gloves, etc outside the lab.
- Be well prepared before entering the lab.
General Hazards in a Lab
- Fire
- Breakage of glassware
- Sharps
- Spillages
- Pressure equipment and gas cylinders
- Extremes of heat and cold
- Chemical hazards
- Biological hazards
- Radiation
Always Add Acid to Water
- Always add acid to water.
- "Do not spit into acid!" is a good phrase to remember.
Avoiding Fires
- Use minimal quantities of flammable substances.
- Store flammables in designated storage cabinets.
- Use temperature-controlled heating sources.
- For example, use a water bath instead of a hot plate or Bunsen burner.
Work with Volatile Chemicals
- Work with those chemicals under fume hoods.
Glassware
- Use appropriate glassware insertion techniques.
- Never use glassware under pressure or vacuum unless expressly designed for that purpose and suitably shielded.
- Dispose of chipped or broken glassware in designated glass bins or sharps bins.
- Avoid picking up broken glass directly, instead sweep up glass using a broom or dustpan.
Heat Test Tubes
- Hold test tubes at an angle when heating them, ensuring that the opening points away from yourself and other people in the lab.
Do not Smell Chemicals Directly
- Do not smell chemicals directly.
- Use your hand to fan the vapor toward your nose, if absolutely necessary.
Do not Pipet Solutions by Mouth
- Do not pipet solutions by mouth.
- Use a rubber suction bulb or other suitable device to fill a pipette.
Spillages
- Clear up spills promptly.
- Follow your risk assessment procedures.
- Dispose of hazardous materials as toxic waste.
Remember Lab is for Serious Work
- Careless behavior may endanger yourself and others and will not be tolerated.
Washing Your Hands
- Wash your hands with soap and water before leaving the lab. This rule applies even if you have been wearing gloves.
Electrical Equipment
- Always do a visual check of electrical equipment before use to identify any wear or defects.
- Do not use defective equipment.
General Tidiness
- Keep your workspace tidy.
- Clear up waste and properly clean up equipment used.
- Ensure everything is safe before leaving unattended.
- A tidy laboratory helps avoid accidents.
Waste Materials
- Dispose of lab waste materials safely.
- Segregate solvents and oils into correct waste categories (bottles/drums).
- Your department will guide on the proper disposal methods.
- Do not put materials into the drain or dispose of them with normal waste products unless authorized.
Laboratory Equipment
- Do not operate lab equipment without proper training and authorization.
- Improper use can lead to injury or costly damage.
First Aid Training
- All lab workers should complete basic first aid training.
- Follow protocol for chemical splashes (wash with water for 15-20 minutes.).
- Control bleeding with direct pressure (avoid foreign bodies like glass).
- Report all accidents to the instructor or laboratory assistant promptly.
Know the Safety Equipment
- Familiarize yourself with lab safety equipment (sink, eye wash fountain, safety shower, fire extinguisher, and emergency exits).
- Note: Never spray a person with a fire extinguisher.
Protecting Your Health
- If you have allergies to lab materials or other medical conditions, inform your lab instructor.
What to Do In Case of an Accident
- Report all accidents immediately to your instructor.
- Follow specific procedures for broken glass, small chemical spills, and large chemical spills.
- For chemical splashes, don't remove goggles until after rinsing.
- Follow specific procedures in case of chemical splash on clothing or body. Use the safety shower.
Small, Confined, and Large Fires
- For small, confined fires, use a lid or something similar to cover the container.
- For small, open fires, move away and shout for help. Use a fire extinguisher.
- For large fires, shout for help, evacuate the area, follow fire alarm directions, and tell everyone where the fire is.
Your Clothing is on Fire
- If your clothing catches fire, stop moving, drop to the ground, roll on the ground to extinguish the flames. Yell continuously.
Fire Alarm
- If a fire alarm sounds, evacuate the building promptly.
Evacuation Procedures
- Turn off all flames and unplug equipment.
- Follow instructor's instructions.
- Gather belongings (keys, purse, etc.).
- Walk calmly out of the lab, down the hall, and down the stairs or through designated exits.
What to Do in Case of an Injury or Illness
- For small cuts, tell your instructor and let them inspect the wound. Wash thoroughly with water.
- For large cuts, apply pressure to the wound. Seek medical attention immediately.
- For small burns, immediately apply cold running water to the area. Avoid ointments.
- For large burns or other serious injuries, inform your instructor. Tell them what happened so they can help you. Also, the campus security/EMS may be contacted.
- For other injuries, notify your instructor.
Fainting and Breathing Difficulties
- If you experience fainting, notify your instructor or lab partner.
- If you experience breathing difficulties, notify your instructor and lab partner or staff immediately.
When in Doubt—Ask!!!
- Do not carry out a new or unfamiliar procedure without proper training and understanding.
- Do not guess.
What's Wrong In This Picture? - Analysis of Lab Behavior
- This section involves critiquing unsafe laboratory behavior in images.
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Description
Test your knowledge on essential laboratory safety practices to protect yourself and others while working in the lab. This quiz covers the importance of personal protective equipment (PPE), appropriate lab behavior, and the correct usage of safety gear such as goggles and gloves. Ensure you understand the guidelines to maintain a safe working environment.
